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1 | /* bnx2x_main.c: Broadcom Everest network driver. | |
2 | * | |
3 | * Copyright (c) 2007-2010 Broadcom Corporation | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation. | |
8 | * | |
9 | * Maintained by: Eilon Greenstein <eilong@broadcom.com> | |
10 | * Written by: Eliezer Tamir | |
11 | * Based on code from Michael Chan's bnx2 driver | |
12 | * UDP CSUM errata workaround by Arik Gendelman | |
13 | * Slowpath and fastpath rework by Vladislav Zolotarov | |
14 | * Statistics and Link management by Yitchak Gertner | |
15 | * | |
16 | */ | |
17 | ||
18 | #include <linux/module.h> | |
19 | #include <linux/moduleparam.h> | |
20 | #include <linux/kernel.h> | |
21 | #include <linux/device.h> /* for dev_info() */ | |
22 | #include <linux/timer.h> | |
23 | #include <linux/errno.h> | |
24 | #include <linux/ioport.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/vmalloc.h> | |
27 | #include <linux/interrupt.h> | |
28 | #include <linux/pci.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/netdevice.h> | |
31 | #include <linux/etherdevice.h> | |
32 | #include <linux/skbuff.h> | |
33 | #include <linux/dma-mapping.h> | |
34 | #include <linux/bitops.h> | |
35 | #include <linux/irq.h> | |
36 | #include <linux/delay.h> | |
37 | #include <asm/byteorder.h> | |
38 | #include <linux/time.h> | |
39 | #include <linux/ethtool.h> | |
40 | #include <linux/mii.h> | |
41 | #include <linux/if_vlan.h> | |
42 | #include <net/ip.h> | |
43 | #include <net/tcp.h> | |
44 | #include <net/checksum.h> | |
45 | #include <net/ip6_checksum.h> | |
46 | #include <linux/workqueue.h> | |
47 | #include <linux/crc32.h> | |
48 | #include <linux/crc32c.h> | |
49 | #include <linux/prefetch.h> | |
50 | #include <linux/zlib.h> | |
51 | #include <linux/io.h> | |
52 | #include <linux/stringify.h> | |
53 | ||
54 | ||
55 | #include "bnx2x.h" | |
56 | #include "bnx2x_init.h" | |
57 | #include "bnx2x_init_ops.h" | |
58 | #include "bnx2x_dump.h" | |
59 | ||
60 | #define DRV_MODULE_VERSION "1.52.53-1" | |
61 | #define DRV_MODULE_RELDATE "2010/18/04" | |
62 | #define BNX2X_BC_VER 0x040200 | |
63 | ||
64 | #include <linux/firmware.h> | |
65 | #include "bnx2x_fw_file_hdr.h" | |
66 | /* FW files */ | |
67 | #define FW_FILE_VERSION \ | |
68 | __stringify(BCM_5710_FW_MAJOR_VERSION) "." \ | |
69 | __stringify(BCM_5710_FW_MINOR_VERSION) "." \ | |
70 | __stringify(BCM_5710_FW_REVISION_VERSION) "." \ | |
71 | __stringify(BCM_5710_FW_ENGINEERING_VERSION) | |
72 | #define FW_FILE_NAME_E1 "bnx2x-e1-" FW_FILE_VERSION ".fw" | |
73 | #define FW_FILE_NAME_E1H "bnx2x-e1h-" FW_FILE_VERSION ".fw" | |
74 | ||
75 | /* Time in jiffies before concluding the transmitter is hung */ | |
76 | #define TX_TIMEOUT (5*HZ) | |
77 | ||
78 | static char version[] __devinitdata = | |
79 | "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver " | |
80 | DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; | |
81 | ||
82 | MODULE_AUTHOR("Eliezer Tamir"); | |
83 | MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710/57711/57711E Driver"); | |
84 | MODULE_LICENSE("GPL"); | |
85 | MODULE_VERSION(DRV_MODULE_VERSION); | |
86 | MODULE_FIRMWARE(FW_FILE_NAME_E1); | |
87 | MODULE_FIRMWARE(FW_FILE_NAME_E1H); | |
88 | ||
89 | static int multi_mode = 1; | |
90 | module_param(multi_mode, int, 0); | |
91 | MODULE_PARM_DESC(multi_mode, " Multi queue mode " | |
92 | "(0 Disable; 1 Enable (default))"); | |
93 | ||
94 | static int num_queues; | |
95 | module_param(num_queues, int, 0); | |
96 | MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1" | |
97 | " (default is as a number of CPUs)"); | |
98 | ||
99 | static int disable_tpa; | |
100 | module_param(disable_tpa, int, 0); | |
101 | MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature"); | |
102 | ||
103 | static int int_mode; | |
104 | module_param(int_mode, int, 0); | |
105 | MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X " | |
106 | "(1 INT#x; 2 MSI)"); | |
107 | ||
108 | static int dropless_fc; | |
109 | module_param(dropless_fc, int, 0); | |
110 | MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring"); | |
111 | ||
112 | static int poll; | |
113 | module_param(poll, int, 0); | |
114 | MODULE_PARM_DESC(poll, " Use polling (for debug)"); | |
115 | ||
116 | static int mrrs = -1; | |
117 | module_param(mrrs, int, 0); | |
118 | MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)"); | |
119 | ||
120 | static int debug; | |
121 | module_param(debug, int, 0); | |
122 | MODULE_PARM_DESC(debug, " Default debug msglevel"); | |
123 | ||
124 | static int load_count[3]; /* 0-common, 1-port0, 2-port1 */ | |
125 | ||
126 | static struct workqueue_struct *bnx2x_wq; | |
127 | ||
128 | enum bnx2x_board_type { | |
129 | BCM57710 = 0, | |
130 | BCM57711 = 1, | |
131 | BCM57711E = 2, | |
132 | }; | |
133 | ||
134 | /* indexed by board_type, above */ | |
135 | static struct { | |
136 | char *name; | |
137 | } board_info[] __devinitdata = { | |
138 | { "Broadcom NetXtreme II BCM57710 XGb" }, | |
139 | { "Broadcom NetXtreme II BCM57711 XGb" }, | |
140 | { "Broadcom NetXtreme II BCM57711E XGb" } | |
141 | }; | |
142 | ||
143 | ||
144 | static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = { | |
145 | { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 }, | |
146 | { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 }, | |
147 | { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E }, | |
148 | { 0 } | |
149 | }; | |
150 | ||
151 | MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl); | |
152 | ||
153 | /**************************************************************************** | |
154 | * General service functions | |
155 | ****************************************************************************/ | |
156 | ||
157 | /* used only at init | |
158 | * locking is done by mcp | |
159 | */ | |
160 | void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val) | |
161 | { | |
162 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); | |
163 | pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val); | |
164 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, | |
165 | PCICFG_VENDOR_ID_OFFSET); | |
166 | } | |
167 | ||
168 | static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr) | |
169 | { | |
170 | u32 val; | |
171 | ||
172 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); | |
173 | pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val); | |
174 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, | |
175 | PCICFG_VENDOR_ID_OFFSET); | |
176 | ||
177 | return val; | |
178 | } | |
179 | ||
180 | static const u32 dmae_reg_go_c[] = { | |
181 | DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3, | |
182 | DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7, | |
183 | DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11, | |
184 | DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15 | |
185 | }; | |
186 | ||
187 | /* copy command into DMAE command memory and set DMAE command go */ | |
188 | static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, | |
189 | int idx) | |
190 | { | |
191 | u32 cmd_offset; | |
192 | int i; | |
193 | ||
194 | cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx); | |
195 | for (i = 0; i < (sizeof(struct dmae_command)/4); i++) { | |
196 | REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i)); | |
197 | ||
198 | DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n", | |
199 | idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i)); | |
200 | } | |
201 | REG_WR(bp, dmae_reg_go_c[idx], 1); | |
202 | } | |
203 | ||
204 | void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr, | |
205 | u32 len32) | |
206 | { | |
207 | struct dmae_command dmae; | |
208 | u32 *wb_comp = bnx2x_sp(bp, wb_comp); | |
209 | int cnt = 200; | |
210 | ||
211 | if (!bp->dmae_ready) { | |
212 | u32 *data = bnx2x_sp(bp, wb_data[0]); | |
213 | ||
214 | DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)" | |
215 | " using indirect\n", dst_addr, len32); | |
216 | bnx2x_init_ind_wr(bp, dst_addr, data, len32); | |
217 | return; | |
218 | } | |
219 | ||
220 | memset(&dmae, 0, sizeof(struct dmae_command)); | |
221 | ||
222 | dmae.opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
223 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
224 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
225 | #ifdef __BIG_ENDIAN | |
226 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
227 | #else | |
228 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
229 | #endif | |
230 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
231 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
232 | dmae.src_addr_lo = U64_LO(dma_addr); | |
233 | dmae.src_addr_hi = U64_HI(dma_addr); | |
234 | dmae.dst_addr_lo = dst_addr >> 2; | |
235 | dmae.dst_addr_hi = 0; | |
236 | dmae.len = len32; | |
237 | dmae.comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); | |
238 | dmae.comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); | |
239 | dmae.comp_val = DMAE_COMP_VAL; | |
240 | ||
241 | DP(BNX2X_MSG_OFF, "DMAE: opcode 0x%08x\n" | |
242 | DP_LEVEL "src_addr [%x:%08x] len [%d *4] " | |
243 | "dst_addr [%x:%08x (%08x)]\n" | |
244 | DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", | |
245 | dmae.opcode, dmae.src_addr_hi, dmae.src_addr_lo, | |
246 | dmae.len, dmae.dst_addr_hi, dmae.dst_addr_lo, dst_addr, | |
247 | dmae.comp_addr_hi, dmae.comp_addr_lo, dmae.comp_val); | |
248 | DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", | |
249 | bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], | |
250 | bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); | |
251 | ||
252 | mutex_lock(&bp->dmae_mutex); | |
253 | ||
254 | *wb_comp = 0; | |
255 | ||
256 | bnx2x_post_dmae(bp, &dmae, INIT_DMAE_C(bp)); | |
257 | ||
258 | udelay(5); | |
259 | ||
260 | while (*wb_comp != DMAE_COMP_VAL) { | |
261 | DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp); | |
262 | ||
263 | if (!cnt) { | |
264 | BNX2X_ERR("DMAE timeout!\n"); | |
265 | break; | |
266 | } | |
267 | cnt--; | |
268 | /* adjust delay for emulation/FPGA */ | |
269 | if (CHIP_REV_IS_SLOW(bp)) | |
270 | msleep(100); | |
271 | else | |
272 | udelay(5); | |
273 | } | |
274 | ||
275 | mutex_unlock(&bp->dmae_mutex); | |
276 | } | |
277 | ||
278 | void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32) | |
279 | { | |
280 | struct dmae_command dmae; | |
281 | u32 *wb_comp = bnx2x_sp(bp, wb_comp); | |
282 | int cnt = 200; | |
283 | ||
284 | if (!bp->dmae_ready) { | |
285 | u32 *data = bnx2x_sp(bp, wb_data[0]); | |
286 | int i; | |
287 | ||
288 | DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)" | |
289 | " using indirect\n", src_addr, len32); | |
290 | for (i = 0; i < len32; i++) | |
291 | data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4); | |
292 | return; | |
293 | } | |
294 | ||
295 | memset(&dmae, 0, sizeof(struct dmae_command)); | |
296 | ||
297 | dmae.opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
298 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
299 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
300 | #ifdef __BIG_ENDIAN | |
301 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
302 | #else | |
303 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
304 | #endif | |
305 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
306 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
307 | dmae.src_addr_lo = src_addr >> 2; | |
308 | dmae.src_addr_hi = 0; | |
309 | dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data)); | |
310 | dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data)); | |
311 | dmae.len = len32; | |
312 | dmae.comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); | |
313 | dmae.comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); | |
314 | dmae.comp_val = DMAE_COMP_VAL; | |
315 | ||
316 | DP(BNX2X_MSG_OFF, "DMAE: opcode 0x%08x\n" | |
317 | DP_LEVEL "src_addr [%x:%08x] len [%d *4] " | |
318 | "dst_addr [%x:%08x (%08x)]\n" | |
319 | DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", | |
320 | dmae.opcode, dmae.src_addr_hi, dmae.src_addr_lo, | |
321 | dmae.len, dmae.dst_addr_hi, dmae.dst_addr_lo, src_addr, | |
322 | dmae.comp_addr_hi, dmae.comp_addr_lo, dmae.comp_val); | |
323 | ||
324 | mutex_lock(&bp->dmae_mutex); | |
325 | ||
326 | memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4); | |
327 | *wb_comp = 0; | |
328 | ||
329 | bnx2x_post_dmae(bp, &dmae, INIT_DMAE_C(bp)); | |
330 | ||
331 | udelay(5); | |
332 | ||
333 | while (*wb_comp != DMAE_COMP_VAL) { | |
334 | ||
335 | if (!cnt) { | |
336 | BNX2X_ERR("DMAE timeout!\n"); | |
337 | break; | |
338 | } | |
339 | cnt--; | |
340 | /* adjust delay for emulation/FPGA */ | |
341 | if (CHIP_REV_IS_SLOW(bp)) | |
342 | msleep(100); | |
343 | else | |
344 | udelay(5); | |
345 | } | |
346 | DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", | |
347 | bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], | |
348 | bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); | |
349 | ||
350 | mutex_unlock(&bp->dmae_mutex); | |
351 | } | |
352 | ||
353 | void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr, | |
354 | u32 addr, u32 len) | |
355 | { | |
356 | int dmae_wr_max = DMAE_LEN32_WR_MAX(bp); | |
357 | int offset = 0; | |
358 | ||
359 | while (len > dmae_wr_max) { | |
360 | bnx2x_write_dmae(bp, phys_addr + offset, | |
361 | addr + offset, dmae_wr_max); | |
362 | offset += dmae_wr_max * 4; | |
363 | len -= dmae_wr_max; | |
364 | } | |
365 | ||
366 | bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len); | |
367 | } | |
368 | ||
369 | /* used only for slowpath so not inlined */ | |
370 | static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo) | |
371 | { | |
372 | u32 wb_write[2]; | |
373 | ||
374 | wb_write[0] = val_hi; | |
375 | wb_write[1] = val_lo; | |
376 | REG_WR_DMAE(bp, reg, wb_write, 2); | |
377 | } | |
378 | ||
379 | #ifdef USE_WB_RD | |
380 | static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg) | |
381 | { | |
382 | u32 wb_data[2]; | |
383 | ||
384 | REG_RD_DMAE(bp, reg, wb_data, 2); | |
385 | ||
386 | return HILO_U64(wb_data[0], wb_data[1]); | |
387 | } | |
388 | #endif | |
389 | ||
390 | static int bnx2x_mc_assert(struct bnx2x *bp) | |
391 | { | |
392 | char last_idx; | |
393 | int i, rc = 0; | |
394 | u32 row0, row1, row2, row3; | |
395 | ||
396 | /* XSTORM */ | |
397 | last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM + | |
398 | XSTORM_ASSERT_LIST_INDEX_OFFSET); | |
399 | if (last_idx) | |
400 | BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); | |
401 | ||
402 | /* print the asserts */ | |
403 | for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { | |
404 | ||
405 | row0 = REG_RD(bp, BAR_XSTRORM_INTMEM + | |
406 | XSTORM_ASSERT_LIST_OFFSET(i)); | |
407 | row1 = REG_RD(bp, BAR_XSTRORM_INTMEM + | |
408 | XSTORM_ASSERT_LIST_OFFSET(i) + 4); | |
409 | row2 = REG_RD(bp, BAR_XSTRORM_INTMEM + | |
410 | XSTORM_ASSERT_LIST_OFFSET(i) + 8); | |
411 | row3 = REG_RD(bp, BAR_XSTRORM_INTMEM + | |
412 | XSTORM_ASSERT_LIST_OFFSET(i) + 12); | |
413 | ||
414 | if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { | |
415 | BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x" | |
416 | " 0x%08x 0x%08x 0x%08x\n", | |
417 | i, row3, row2, row1, row0); | |
418 | rc++; | |
419 | } else { | |
420 | break; | |
421 | } | |
422 | } | |
423 | ||
424 | /* TSTORM */ | |
425 | last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM + | |
426 | TSTORM_ASSERT_LIST_INDEX_OFFSET); | |
427 | if (last_idx) | |
428 | BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); | |
429 | ||
430 | /* print the asserts */ | |
431 | for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { | |
432 | ||
433 | row0 = REG_RD(bp, BAR_TSTRORM_INTMEM + | |
434 | TSTORM_ASSERT_LIST_OFFSET(i)); | |
435 | row1 = REG_RD(bp, BAR_TSTRORM_INTMEM + | |
436 | TSTORM_ASSERT_LIST_OFFSET(i) + 4); | |
437 | row2 = REG_RD(bp, BAR_TSTRORM_INTMEM + | |
438 | TSTORM_ASSERT_LIST_OFFSET(i) + 8); | |
439 | row3 = REG_RD(bp, BAR_TSTRORM_INTMEM + | |
440 | TSTORM_ASSERT_LIST_OFFSET(i) + 12); | |
441 | ||
442 | if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { | |
443 | BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x" | |
444 | " 0x%08x 0x%08x 0x%08x\n", | |
445 | i, row3, row2, row1, row0); | |
446 | rc++; | |
447 | } else { | |
448 | break; | |
449 | } | |
450 | } | |
451 | ||
452 | /* CSTORM */ | |
453 | last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM + | |
454 | CSTORM_ASSERT_LIST_INDEX_OFFSET); | |
455 | if (last_idx) | |
456 | BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); | |
457 | ||
458 | /* print the asserts */ | |
459 | for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { | |
460 | ||
461 | row0 = REG_RD(bp, BAR_CSTRORM_INTMEM + | |
462 | CSTORM_ASSERT_LIST_OFFSET(i)); | |
463 | row1 = REG_RD(bp, BAR_CSTRORM_INTMEM + | |
464 | CSTORM_ASSERT_LIST_OFFSET(i) + 4); | |
465 | row2 = REG_RD(bp, BAR_CSTRORM_INTMEM + | |
466 | CSTORM_ASSERT_LIST_OFFSET(i) + 8); | |
467 | row3 = REG_RD(bp, BAR_CSTRORM_INTMEM + | |
468 | CSTORM_ASSERT_LIST_OFFSET(i) + 12); | |
469 | ||
470 | if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { | |
471 | BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x" | |
472 | " 0x%08x 0x%08x 0x%08x\n", | |
473 | i, row3, row2, row1, row0); | |
474 | rc++; | |
475 | } else { | |
476 | break; | |
477 | } | |
478 | } | |
479 | ||
480 | /* USTORM */ | |
481 | last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM + | |
482 | USTORM_ASSERT_LIST_INDEX_OFFSET); | |
483 | if (last_idx) | |
484 | BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); | |
485 | ||
486 | /* print the asserts */ | |
487 | for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { | |
488 | ||
489 | row0 = REG_RD(bp, BAR_USTRORM_INTMEM + | |
490 | USTORM_ASSERT_LIST_OFFSET(i)); | |
491 | row1 = REG_RD(bp, BAR_USTRORM_INTMEM + | |
492 | USTORM_ASSERT_LIST_OFFSET(i) + 4); | |
493 | row2 = REG_RD(bp, BAR_USTRORM_INTMEM + | |
494 | USTORM_ASSERT_LIST_OFFSET(i) + 8); | |
495 | row3 = REG_RD(bp, BAR_USTRORM_INTMEM + | |
496 | USTORM_ASSERT_LIST_OFFSET(i) + 12); | |
497 | ||
498 | if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { | |
499 | BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x" | |
500 | " 0x%08x 0x%08x 0x%08x\n", | |
501 | i, row3, row2, row1, row0); | |
502 | rc++; | |
503 | } else { | |
504 | break; | |
505 | } | |
506 | } | |
507 | ||
508 | return rc; | |
509 | } | |
510 | ||
511 | static void bnx2x_fw_dump(struct bnx2x *bp) | |
512 | { | |
513 | u32 addr; | |
514 | u32 mark, offset; | |
515 | __be32 data[9]; | |
516 | int word; | |
517 | ||
518 | if (BP_NOMCP(bp)) { | |
519 | BNX2X_ERR("NO MCP - can not dump\n"); | |
520 | return; | |
521 | } | |
522 | ||
523 | addr = bp->common.shmem_base - 0x0800 + 4; | |
524 | mark = REG_RD(bp, addr); | |
525 | mark = MCP_REG_MCPR_SCRATCH + ((mark + 0x3) & ~0x3) - 0x08000000; | |
526 | pr_err("begin fw dump (mark 0x%x)\n", mark); | |
527 | ||
528 | pr_err(""); | |
529 | for (offset = mark; offset <= bp->common.shmem_base; offset += 0x8*4) { | |
530 | for (word = 0; word < 8; word++) | |
531 | data[word] = htonl(REG_RD(bp, offset + 4*word)); | |
532 | data[8] = 0x0; | |
533 | pr_cont("%s", (char *)data); | |
534 | } | |
535 | for (offset = addr + 4; offset <= mark; offset += 0x8*4) { | |
536 | for (word = 0; word < 8; word++) | |
537 | data[word] = htonl(REG_RD(bp, offset + 4*word)); | |
538 | data[8] = 0x0; | |
539 | pr_cont("%s", (char *)data); | |
540 | } | |
541 | pr_err("end of fw dump\n"); | |
542 | } | |
543 | ||
544 | static void bnx2x_panic_dump(struct bnx2x *bp) | |
545 | { | |
546 | int i; | |
547 | u16 j, start, end; | |
548 | ||
549 | bp->stats_state = STATS_STATE_DISABLED; | |
550 | DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n"); | |
551 | ||
552 | BNX2X_ERR("begin crash dump -----------------\n"); | |
553 | ||
554 | /* Indices */ | |
555 | /* Common */ | |
556 | BNX2X_ERR("def_c_idx(0x%x) def_u_idx(0x%x) def_x_idx(0x%x)" | |
557 | " def_t_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)" | |
558 | " spq_prod_idx(0x%x)\n", | |
559 | bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx, | |
560 | bp->def_att_idx, bp->attn_state, bp->spq_prod_idx); | |
561 | ||
562 | /* Rx */ | |
563 | for_each_queue(bp, i) { | |
564 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
565 | ||
566 | BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)" | |
567 | " *rx_bd_cons_sb(0x%x) rx_comp_prod(0x%x)" | |
568 | " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n", | |
569 | i, fp->rx_bd_prod, fp->rx_bd_cons, | |
570 | le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod, | |
571 | fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb)); | |
572 | BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)" | |
573 | " fp_u_idx(0x%x) *sb_u_idx(0x%x)\n", | |
574 | fp->rx_sge_prod, fp->last_max_sge, | |
575 | le16_to_cpu(fp->fp_u_idx), | |
576 | fp->status_blk->u_status_block.status_block_index); | |
577 | } | |
578 | ||
579 | /* Tx */ | |
580 | for_each_queue(bp, i) { | |
581 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
582 | ||
583 | BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)" | |
584 | " tx_bd_prod(0x%x) tx_bd_cons(0x%x)" | |
585 | " *tx_cons_sb(0x%x)\n", | |
586 | i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod, | |
587 | fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb)); | |
588 | BNX2X_ERR(" fp_c_idx(0x%x) *sb_c_idx(0x%x)" | |
589 | " tx_db_prod(0x%x)\n", le16_to_cpu(fp->fp_c_idx), | |
590 | fp->status_blk->c_status_block.status_block_index, | |
591 | fp->tx_db.data.prod); | |
592 | } | |
593 | ||
594 | /* Rings */ | |
595 | /* Rx */ | |
596 | for_each_queue(bp, i) { | |
597 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
598 | ||
599 | start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10); | |
600 | end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503); | |
601 | for (j = start; j != end; j = RX_BD(j + 1)) { | |
602 | u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j]; | |
603 | struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j]; | |
604 | ||
605 | BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n", | |
606 | i, j, rx_bd[1], rx_bd[0], sw_bd->skb); | |
607 | } | |
608 | ||
609 | start = RX_SGE(fp->rx_sge_prod); | |
610 | end = RX_SGE(fp->last_max_sge); | |
611 | for (j = start; j != end; j = RX_SGE(j + 1)) { | |
612 | u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j]; | |
613 | struct sw_rx_page *sw_page = &fp->rx_page_ring[j]; | |
614 | ||
615 | BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n", | |
616 | i, j, rx_sge[1], rx_sge[0], sw_page->page); | |
617 | } | |
618 | ||
619 | start = RCQ_BD(fp->rx_comp_cons - 10); | |
620 | end = RCQ_BD(fp->rx_comp_cons + 503); | |
621 | for (j = start; j != end; j = RCQ_BD(j + 1)) { | |
622 | u32 *cqe = (u32 *)&fp->rx_comp_ring[j]; | |
623 | ||
624 | BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n", | |
625 | i, j, cqe[0], cqe[1], cqe[2], cqe[3]); | |
626 | } | |
627 | } | |
628 | ||
629 | /* Tx */ | |
630 | for_each_queue(bp, i) { | |
631 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
632 | ||
633 | start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10); | |
634 | end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245); | |
635 | for (j = start; j != end; j = TX_BD(j + 1)) { | |
636 | struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j]; | |
637 | ||
638 | BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n", | |
639 | i, j, sw_bd->skb, sw_bd->first_bd); | |
640 | } | |
641 | ||
642 | start = TX_BD(fp->tx_bd_cons - 10); | |
643 | end = TX_BD(fp->tx_bd_cons + 254); | |
644 | for (j = start; j != end; j = TX_BD(j + 1)) { | |
645 | u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j]; | |
646 | ||
647 | BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n", | |
648 | i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]); | |
649 | } | |
650 | } | |
651 | ||
652 | bnx2x_fw_dump(bp); | |
653 | bnx2x_mc_assert(bp); | |
654 | BNX2X_ERR("end crash dump -----------------\n"); | |
655 | } | |
656 | ||
657 | static void bnx2x_int_enable(struct bnx2x *bp) | |
658 | { | |
659 | int port = BP_PORT(bp); | |
660 | u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; | |
661 | u32 val = REG_RD(bp, addr); | |
662 | int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; | |
663 | int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0; | |
664 | ||
665 | if (msix) { | |
666 | val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | | |
667 | HC_CONFIG_0_REG_INT_LINE_EN_0); | |
668 | val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
669 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
670 | } else if (msi) { | |
671 | val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0; | |
672 | val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | | |
673 | HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
674 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
675 | } else { | |
676 | val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | | |
677 | HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
678 | HC_CONFIG_0_REG_INT_LINE_EN_0 | | |
679 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
680 | ||
681 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n", | |
682 | val, port, addr); | |
683 | ||
684 | REG_WR(bp, addr, val); | |
685 | ||
686 | val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0; | |
687 | } | |
688 | ||
689 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n", | |
690 | val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx"))); | |
691 | ||
692 | REG_WR(bp, addr, val); | |
693 | /* | |
694 | * Ensure that HC_CONFIG is written before leading/trailing edge config | |
695 | */ | |
696 | mmiowb(); | |
697 | barrier(); | |
698 | ||
699 | if (CHIP_IS_E1H(bp)) { | |
700 | /* init leading/trailing edge */ | |
701 | if (IS_E1HMF(bp)) { | |
702 | val = (0xee0f | (1 << (BP_E1HVN(bp) + 4))); | |
703 | if (bp->port.pmf) | |
704 | /* enable nig and gpio3 attention */ | |
705 | val |= 0x1100; | |
706 | } else | |
707 | val = 0xffff; | |
708 | ||
709 | REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val); | |
710 | REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val); | |
711 | } | |
712 | ||
713 | /* Make sure that interrupts are indeed enabled from here on */ | |
714 | mmiowb(); | |
715 | } | |
716 | ||
717 | static void bnx2x_int_disable(struct bnx2x *bp) | |
718 | { | |
719 | int port = BP_PORT(bp); | |
720 | u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; | |
721 | u32 val = REG_RD(bp, addr); | |
722 | ||
723 | val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | | |
724 | HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
725 | HC_CONFIG_0_REG_INT_LINE_EN_0 | | |
726 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
727 | ||
728 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n", | |
729 | val, port, addr); | |
730 | ||
731 | /* flush all outstanding writes */ | |
732 | mmiowb(); | |
733 | ||
734 | REG_WR(bp, addr, val); | |
735 | if (REG_RD(bp, addr) != val) | |
736 | BNX2X_ERR("BUG! proper val not read from IGU!\n"); | |
737 | } | |
738 | ||
739 | static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw) | |
740 | { | |
741 | int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; | |
742 | int i, offset; | |
743 | ||
744 | /* disable interrupt handling */ | |
745 | atomic_inc(&bp->intr_sem); | |
746 | smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */ | |
747 | ||
748 | if (disable_hw) | |
749 | /* prevent the HW from sending interrupts */ | |
750 | bnx2x_int_disable(bp); | |
751 | ||
752 | /* make sure all ISRs are done */ | |
753 | if (msix) { | |
754 | synchronize_irq(bp->msix_table[0].vector); | |
755 | offset = 1; | |
756 | #ifdef BCM_CNIC | |
757 | offset++; | |
758 | #endif | |
759 | for_each_queue(bp, i) | |
760 | synchronize_irq(bp->msix_table[i + offset].vector); | |
761 | } else | |
762 | synchronize_irq(bp->pdev->irq); | |
763 | ||
764 | /* make sure sp_task is not running */ | |
765 | cancel_delayed_work(&bp->sp_task); | |
766 | flush_workqueue(bnx2x_wq); | |
767 | } | |
768 | ||
769 | /* fast path */ | |
770 | ||
771 | /* | |
772 | * General service functions | |
773 | */ | |
774 | ||
775 | /* Return true if succeeded to acquire the lock */ | |
776 | static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource) | |
777 | { | |
778 | u32 lock_status; | |
779 | u32 resource_bit = (1 << resource); | |
780 | int func = BP_FUNC(bp); | |
781 | u32 hw_lock_control_reg; | |
782 | ||
783 | DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource); | |
784 | ||
785 | /* Validating that the resource is within range */ | |
786 | if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { | |
787 | DP(NETIF_MSG_HW, | |
788 | "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", | |
789 | resource, HW_LOCK_MAX_RESOURCE_VALUE); | |
790 | return -EINVAL; | |
791 | } | |
792 | ||
793 | if (func <= 5) | |
794 | hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8); | |
795 | else | |
796 | hw_lock_control_reg = | |
797 | (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8); | |
798 | ||
799 | /* Try to acquire the lock */ | |
800 | REG_WR(bp, hw_lock_control_reg + 4, resource_bit); | |
801 | lock_status = REG_RD(bp, hw_lock_control_reg); | |
802 | if (lock_status & resource_bit) | |
803 | return true; | |
804 | ||
805 | DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource); | |
806 | return false; | |
807 | } | |
808 | ||
809 | static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id, | |
810 | u8 storm, u16 index, u8 op, u8 update) | |
811 | { | |
812 | u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + | |
813 | COMMAND_REG_INT_ACK); | |
814 | struct igu_ack_register igu_ack; | |
815 | ||
816 | igu_ack.status_block_index = index; | |
817 | igu_ack.sb_id_and_flags = | |
818 | ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) | | |
819 | (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) | | |
820 | (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) | | |
821 | (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT)); | |
822 | ||
823 | DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n", | |
824 | (*(u32 *)&igu_ack), hc_addr); | |
825 | REG_WR(bp, hc_addr, (*(u32 *)&igu_ack)); | |
826 | ||
827 | /* Make sure that ACK is written */ | |
828 | mmiowb(); | |
829 | barrier(); | |
830 | } | |
831 | ||
832 | static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) | |
833 | { | |
834 | struct host_status_block *fpsb = fp->status_blk; | |
835 | ||
836 | barrier(); /* status block is written to by the chip */ | |
837 | fp->fp_c_idx = fpsb->c_status_block.status_block_index; | |
838 | fp->fp_u_idx = fpsb->u_status_block.status_block_index; | |
839 | } | |
840 | ||
841 | static u16 bnx2x_ack_int(struct bnx2x *bp) | |
842 | { | |
843 | u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + | |
844 | COMMAND_REG_SIMD_MASK); | |
845 | u32 result = REG_RD(bp, hc_addr); | |
846 | ||
847 | DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n", | |
848 | result, hc_addr); | |
849 | ||
850 | return result; | |
851 | } | |
852 | ||
853 | ||
854 | /* | |
855 | * fast path service functions | |
856 | */ | |
857 | ||
858 | static inline int bnx2x_has_tx_work_unload(struct bnx2x_fastpath *fp) | |
859 | { | |
860 | /* Tell compiler that consumer and producer can change */ | |
861 | barrier(); | |
862 | return (fp->tx_pkt_prod != fp->tx_pkt_cons); | |
863 | } | |
864 | ||
865 | /* free skb in the packet ring at pos idx | |
866 | * return idx of last bd freed | |
867 | */ | |
868 | static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, | |
869 | u16 idx) | |
870 | { | |
871 | struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx]; | |
872 | struct eth_tx_start_bd *tx_start_bd; | |
873 | struct eth_tx_bd *tx_data_bd; | |
874 | struct sk_buff *skb = tx_buf->skb; | |
875 | u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons; | |
876 | int nbd; | |
877 | ||
878 | /* prefetch skb end pointer to speedup dev_kfree_skb() */ | |
879 | prefetch(&skb->end); | |
880 | ||
881 | DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n", | |
882 | idx, tx_buf, skb); | |
883 | ||
884 | /* unmap first bd */ | |
885 | DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx); | |
886 | tx_start_bd = &fp->tx_desc_ring[bd_idx].start_bd; | |
887 | dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd), | |
888 | BD_UNMAP_LEN(tx_start_bd), PCI_DMA_TODEVICE); | |
889 | ||
890 | nbd = le16_to_cpu(tx_start_bd->nbd) - 1; | |
891 | #ifdef BNX2X_STOP_ON_ERROR | |
892 | if ((nbd - 1) > (MAX_SKB_FRAGS + 2)) { | |
893 | BNX2X_ERR("BAD nbd!\n"); | |
894 | bnx2x_panic(); | |
895 | } | |
896 | #endif | |
897 | new_cons = nbd + tx_buf->first_bd; | |
898 | ||
899 | /* Get the next bd */ | |
900 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
901 | ||
902 | /* Skip a parse bd... */ | |
903 | --nbd; | |
904 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
905 | ||
906 | /* ...and the TSO split header bd since they have no mapping */ | |
907 | if (tx_buf->flags & BNX2X_TSO_SPLIT_BD) { | |
908 | --nbd; | |
909 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
910 | } | |
911 | ||
912 | /* now free frags */ | |
913 | while (nbd > 0) { | |
914 | ||
915 | DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx); | |
916 | tx_data_bd = &fp->tx_desc_ring[bd_idx].reg_bd; | |
917 | dma_unmap_page(&bp->pdev->dev, BD_UNMAP_ADDR(tx_data_bd), | |
918 | BD_UNMAP_LEN(tx_data_bd), DMA_TO_DEVICE); | |
919 | if (--nbd) | |
920 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
921 | } | |
922 | ||
923 | /* release skb */ | |
924 | WARN_ON(!skb); | |
925 | dev_kfree_skb(skb); | |
926 | tx_buf->first_bd = 0; | |
927 | tx_buf->skb = NULL; | |
928 | ||
929 | return new_cons; | |
930 | } | |
931 | ||
932 | static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp) | |
933 | { | |
934 | s16 used; | |
935 | u16 prod; | |
936 | u16 cons; | |
937 | ||
938 | prod = fp->tx_bd_prod; | |
939 | cons = fp->tx_bd_cons; | |
940 | ||
941 | /* NUM_TX_RINGS = number of "next-page" entries | |
942 | It will be used as a threshold */ | |
943 | used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS; | |
944 | ||
945 | #ifdef BNX2X_STOP_ON_ERROR | |
946 | WARN_ON(used < 0); | |
947 | WARN_ON(used > fp->bp->tx_ring_size); | |
948 | WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL); | |
949 | #endif | |
950 | ||
951 | return (s16)(fp->bp->tx_ring_size) - used; | |
952 | } | |
953 | ||
954 | static inline int bnx2x_has_tx_work(struct bnx2x_fastpath *fp) | |
955 | { | |
956 | u16 hw_cons; | |
957 | ||
958 | /* Tell compiler that status block fields can change */ | |
959 | barrier(); | |
960 | hw_cons = le16_to_cpu(*fp->tx_cons_sb); | |
961 | return hw_cons != fp->tx_pkt_cons; | |
962 | } | |
963 | ||
964 | static int bnx2x_tx_int(struct bnx2x_fastpath *fp) | |
965 | { | |
966 | struct bnx2x *bp = fp->bp; | |
967 | struct netdev_queue *txq; | |
968 | u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons; | |
969 | ||
970 | #ifdef BNX2X_STOP_ON_ERROR | |
971 | if (unlikely(bp->panic)) | |
972 | return -1; | |
973 | #endif | |
974 | ||
975 | txq = netdev_get_tx_queue(bp->dev, fp->index); | |
976 | hw_cons = le16_to_cpu(*fp->tx_cons_sb); | |
977 | sw_cons = fp->tx_pkt_cons; | |
978 | ||
979 | while (sw_cons != hw_cons) { | |
980 | u16 pkt_cons; | |
981 | ||
982 | pkt_cons = TX_BD(sw_cons); | |
983 | ||
984 | /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */ | |
985 | ||
986 | DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n", | |
987 | hw_cons, sw_cons, pkt_cons); | |
988 | ||
989 | /* if (NEXT_TX_IDX(sw_cons) != hw_cons) { | |
990 | rmb(); | |
991 | prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb); | |
992 | } | |
993 | */ | |
994 | bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons); | |
995 | sw_cons++; | |
996 | } | |
997 | ||
998 | fp->tx_pkt_cons = sw_cons; | |
999 | fp->tx_bd_cons = bd_cons; | |
1000 | ||
1001 | /* Need to make the tx_bd_cons update visible to start_xmit() | |
1002 | * before checking for netif_tx_queue_stopped(). Without the | |
1003 | * memory barrier, there is a small possibility that | |
1004 | * start_xmit() will miss it and cause the queue to be stopped | |
1005 | * forever. | |
1006 | */ | |
1007 | smp_mb(); | |
1008 | ||
1009 | /* TBD need a thresh? */ | |
1010 | if (unlikely(netif_tx_queue_stopped(txq))) { | |
1011 | /* Taking tx_lock() is needed to prevent reenabling the queue | |
1012 | * while it's empty. This could have happen if rx_action() gets | |
1013 | * suspended in bnx2x_tx_int() after the condition before | |
1014 | * netif_tx_wake_queue(), while tx_action (bnx2x_start_xmit()): | |
1015 | * | |
1016 | * stops the queue->sees fresh tx_bd_cons->releases the queue-> | |
1017 | * sends some packets consuming the whole queue again-> | |
1018 | * stops the queue | |
1019 | */ | |
1020 | ||
1021 | __netif_tx_lock(txq, smp_processor_id()); | |
1022 | ||
1023 | if ((netif_tx_queue_stopped(txq)) && | |
1024 | (bp->state == BNX2X_STATE_OPEN) && | |
1025 | (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)) | |
1026 | netif_tx_wake_queue(txq); | |
1027 | ||
1028 | __netif_tx_unlock(txq); | |
1029 | } | |
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | #ifdef BCM_CNIC | |
1034 | static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid); | |
1035 | #endif | |
1036 | ||
1037 | static void bnx2x_sp_event(struct bnx2x_fastpath *fp, | |
1038 | union eth_rx_cqe *rr_cqe) | |
1039 | { | |
1040 | struct bnx2x *bp = fp->bp; | |
1041 | int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data); | |
1042 | int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data); | |
1043 | ||
1044 | DP(BNX2X_MSG_SP, | |
1045 | "fp %d cid %d got ramrod #%d state is %x type is %d\n", | |
1046 | fp->index, cid, command, bp->state, | |
1047 | rr_cqe->ramrod_cqe.ramrod_type); | |
1048 | ||
1049 | bp->spq_left++; | |
1050 | ||
1051 | if (fp->index) { | |
1052 | switch (command | fp->state) { | |
1053 | case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | | |
1054 | BNX2X_FP_STATE_OPENING): | |
1055 | DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", | |
1056 | cid); | |
1057 | fp->state = BNX2X_FP_STATE_OPEN; | |
1058 | break; | |
1059 | ||
1060 | case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING): | |
1061 | DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", | |
1062 | cid); | |
1063 | fp->state = BNX2X_FP_STATE_HALTED; | |
1064 | break; | |
1065 | ||
1066 | default: | |
1067 | BNX2X_ERR("unexpected MC reply (%d) " | |
1068 | "fp[%d] state is %x\n", | |
1069 | command, fp->index, fp->state); | |
1070 | break; | |
1071 | } | |
1072 | mb(); /* force bnx2x_wait_ramrod() to see the change */ | |
1073 | return; | |
1074 | } | |
1075 | ||
1076 | switch (command | bp->state) { | |
1077 | case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT): | |
1078 | DP(NETIF_MSG_IFUP, "got setup ramrod\n"); | |
1079 | bp->state = BNX2X_STATE_OPEN; | |
1080 | break; | |
1081 | ||
1082 | case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT): | |
1083 | DP(NETIF_MSG_IFDOWN, "got halt ramrod\n"); | |
1084 | bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE; | |
1085 | fp->state = BNX2X_FP_STATE_HALTED; | |
1086 | break; | |
1087 | ||
1088 | case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT): | |
1089 | DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid); | |
1090 | bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED; | |
1091 | break; | |
1092 | ||
1093 | #ifdef BCM_CNIC | |
1094 | case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_OPEN): | |
1095 | DP(NETIF_MSG_IFDOWN, "got delete ramrod for CID %d\n", cid); | |
1096 | bnx2x_cnic_cfc_comp(bp, cid); | |
1097 | break; | |
1098 | #endif | |
1099 | ||
1100 | case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN): | |
1101 | case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG): | |
1102 | DP(NETIF_MSG_IFUP, "got set mac ramrod\n"); | |
1103 | bp->set_mac_pending--; | |
1104 | smp_wmb(); | |
1105 | break; | |
1106 | ||
1107 | case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT): | |
1108 | DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n"); | |
1109 | bp->set_mac_pending--; | |
1110 | smp_wmb(); | |
1111 | break; | |
1112 | ||
1113 | default: | |
1114 | BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n", | |
1115 | command, bp->state); | |
1116 | break; | |
1117 | } | |
1118 | mb(); /* force bnx2x_wait_ramrod() to see the change */ | |
1119 | } | |
1120 | ||
1121 | static inline void bnx2x_free_rx_sge(struct bnx2x *bp, | |
1122 | struct bnx2x_fastpath *fp, u16 index) | |
1123 | { | |
1124 | struct sw_rx_page *sw_buf = &fp->rx_page_ring[index]; | |
1125 | struct page *page = sw_buf->page; | |
1126 | struct eth_rx_sge *sge = &fp->rx_sge_ring[index]; | |
1127 | ||
1128 | /* Skip "next page" elements */ | |
1129 | if (!page) | |
1130 | return; | |
1131 | ||
1132 | dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping), | |
1133 | SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE); | |
1134 | __free_pages(page, PAGES_PER_SGE_SHIFT); | |
1135 | ||
1136 | sw_buf->page = NULL; | |
1137 | sge->addr_hi = 0; | |
1138 | sge->addr_lo = 0; | |
1139 | } | |
1140 | ||
1141 | static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp, | |
1142 | struct bnx2x_fastpath *fp, int last) | |
1143 | { | |
1144 | int i; | |
1145 | ||
1146 | for (i = 0; i < last; i++) | |
1147 | bnx2x_free_rx_sge(bp, fp, i); | |
1148 | } | |
1149 | ||
1150 | static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp, | |
1151 | struct bnx2x_fastpath *fp, u16 index) | |
1152 | { | |
1153 | struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT); | |
1154 | struct sw_rx_page *sw_buf = &fp->rx_page_ring[index]; | |
1155 | struct eth_rx_sge *sge = &fp->rx_sge_ring[index]; | |
1156 | dma_addr_t mapping; | |
1157 | ||
1158 | if (unlikely(page == NULL)) | |
1159 | return -ENOMEM; | |
1160 | ||
1161 | mapping = dma_map_page(&bp->pdev->dev, page, 0, | |
1162 | SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE); | |
1163 | if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { | |
1164 | __free_pages(page, PAGES_PER_SGE_SHIFT); | |
1165 | return -ENOMEM; | |
1166 | } | |
1167 | ||
1168 | sw_buf->page = page; | |
1169 | dma_unmap_addr_set(sw_buf, mapping, mapping); | |
1170 | ||
1171 | sge->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
1172 | sge->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
1173 | ||
1174 | return 0; | |
1175 | } | |
1176 | ||
1177 | static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp, | |
1178 | struct bnx2x_fastpath *fp, u16 index) | |
1179 | { | |
1180 | struct sk_buff *skb; | |
1181 | struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index]; | |
1182 | struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index]; | |
1183 | dma_addr_t mapping; | |
1184 | ||
1185 | skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); | |
1186 | if (unlikely(skb == NULL)) | |
1187 | return -ENOMEM; | |
1188 | ||
1189 | mapping = dma_map_single(&bp->pdev->dev, skb->data, bp->rx_buf_size, | |
1190 | DMA_FROM_DEVICE); | |
1191 | if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { | |
1192 | dev_kfree_skb(skb); | |
1193 | return -ENOMEM; | |
1194 | } | |
1195 | ||
1196 | rx_buf->skb = skb; | |
1197 | dma_unmap_addr_set(rx_buf, mapping, mapping); | |
1198 | ||
1199 | rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
1200 | rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
1201 | ||
1202 | return 0; | |
1203 | } | |
1204 | ||
1205 | /* note that we are not allocating a new skb, | |
1206 | * we are just moving one from cons to prod | |
1207 | * we are not creating a new mapping, | |
1208 | * so there is no need to check for dma_mapping_error(). | |
1209 | */ | |
1210 | static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp, | |
1211 | struct sk_buff *skb, u16 cons, u16 prod) | |
1212 | { | |
1213 | struct bnx2x *bp = fp->bp; | |
1214 | struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; | |
1215 | struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; | |
1216 | struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons]; | |
1217 | struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; | |
1218 | ||
1219 | dma_sync_single_for_device(&bp->pdev->dev, | |
1220 | dma_unmap_addr(cons_rx_buf, mapping), | |
1221 | RX_COPY_THRESH, DMA_FROM_DEVICE); | |
1222 | ||
1223 | prod_rx_buf->skb = cons_rx_buf->skb; | |
1224 | dma_unmap_addr_set(prod_rx_buf, mapping, | |
1225 | dma_unmap_addr(cons_rx_buf, mapping)); | |
1226 | *prod_bd = *cons_bd; | |
1227 | } | |
1228 | ||
1229 | static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp, | |
1230 | u16 idx) | |
1231 | { | |
1232 | u16 last_max = fp->last_max_sge; | |
1233 | ||
1234 | if (SUB_S16(idx, last_max) > 0) | |
1235 | fp->last_max_sge = idx; | |
1236 | } | |
1237 | ||
1238 | static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp) | |
1239 | { | |
1240 | int i, j; | |
1241 | ||
1242 | for (i = 1; i <= NUM_RX_SGE_PAGES; i++) { | |
1243 | int idx = RX_SGE_CNT * i - 1; | |
1244 | ||
1245 | for (j = 0; j < 2; j++) { | |
1246 | SGE_MASK_CLEAR_BIT(fp, idx); | |
1247 | idx--; | |
1248 | } | |
1249 | } | |
1250 | } | |
1251 | ||
1252 | static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp, | |
1253 | struct eth_fast_path_rx_cqe *fp_cqe) | |
1254 | { | |
1255 | struct bnx2x *bp = fp->bp; | |
1256 | u16 sge_len = SGE_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) - | |
1257 | le16_to_cpu(fp_cqe->len_on_bd)) >> | |
1258 | SGE_PAGE_SHIFT; | |
1259 | u16 last_max, last_elem, first_elem; | |
1260 | u16 delta = 0; | |
1261 | u16 i; | |
1262 | ||
1263 | if (!sge_len) | |
1264 | return; | |
1265 | ||
1266 | /* First mark all used pages */ | |
1267 | for (i = 0; i < sge_len; i++) | |
1268 | SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i]))); | |
1269 | ||
1270 | DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n", | |
1271 | sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1])); | |
1272 | ||
1273 | /* Here we assume that the last SGE index is the biggest */ | |
1274 | prefetch((void *)(fp->sge_mask)); | |
1275 | bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1])); | |
1276 | ||
1277 | last_max = RX_SGE(fp->last_max_sge); | |
1278 | last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT; | |
1279 | first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT; | |
1280 | ||
1281 | /* If ring is not full */ | |
1282 | if (last_elem + 1 != first_elem) | |
1283 | last_elem++; | |
1284 | ||
1285 | /* Now update the prod */ | |
1286 | for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) { | |
1287 | if (likely(fp->sge_mask[i])) | |
1288 | break; | |
1289 | ||
1290 | fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK; | |
1291 | delta += RX_SGE_MASK_ELEM_SZ; | |
1292 | } | |
1293 | ||
1294 | if (delta > 0) { | |
1295 | fp->rx_sge_prod += delta; | |
1296 | /* clear page-end entries */ | |
1297 | bnx2x_clear_sge_mask_next_elems(fp); | |
1298 | } | |
1299 | ||
1300 | DP(NETIF_MSG_RX_STATUS, | |
1301 | "fp->last_max_sge = %d fp->rx_sge_prod = %d\n", | |
1302 | fp->last_max_sge, fp->rx_sge_prod); | |
1303 | } | |
1304 | ||
1305 | static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp) | |
1306 | { | |
1307 | /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */ | |
1308 | memset(fp->sge_mask, 0xff, | |
1309 | (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64)); | |
1310 | ||
1311 | /* Clear the two last indices in the page to 1: | |
1312 | these are the indices that correspond to the "next" element, | |
1313 | hence will never be indicated and should be removed from | |
1314 | the calculations. */ | |
1315 | bnx2x_clear_sge_mask_next_elems(fp); | |
1316 | } | |
1317 | ||
1318 | static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue, | |
1319 | struct sk_buff *skb, u16 cons, u16 prod) | |
1320 | { | |
1321 | struct bnx2x *bp = fp->bp; | |
1322 | struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; | |
1323 | struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; | |
1324 | struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; | |
1325 | dma_addr_t mapping; | |
1326 | ||
1327 | /* move empty skb from pool to prod and map it */ | |
1328 | prod_rx_buf->skb = fp->tpa_pool[queue].skb; | |
1329 | mapping = dma_map_single(&bp->pdev->dev, fp->tpa_pool[queue].skb->data, | |
1330 | bp->rx_buf_size, DMA_FROM_DEVICE); | |
1331 | dma_unmap_addr_set(prod_rx_buf, mapping, mapping); | |
1332 | ||
1333 | /* move partial skb from cons to pool (don't unmap yet) */ | |
1334 | fp->tpa_pool[queue] = *cons_rx_buf; | |
1335 | ||
1336 | /* mark bin state as start - print error if current state != stop */ | |
1337 | if (fp->tpa_state[queue] != BNX2X_TPA_STOP) | |
1338 | BNX2X_ERR("start of bin not in stop [%d]\n", queue); | |
1339 | ||
1340 | fp->tpa_state[queue] = BNX2X_TPA_START; | |
1341 | ||
1342 | /* point prod_bd to new skb */ | |
1343 | prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
1344 | prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
1345 | ||
1346 | #ifdef BNX2X_STOP_ON_ERROR | |
1347 | fp->tpa_queue_used |= (1 << queue); | |
1348 | #ifdef _ASM_GENERIC_INT_L64_H | |
1349 | DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n", | |
1350 | #else | |
1351 | DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n", | |
1352 | #endif | |
1353 | fp->tpa_queue_used); | |
1354 | #endif | |
1355 | } | |
1356 | ||
1357 | static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp, | |
1358 | struct sk_buff *skb, | |
1359 | struct eth_fast_path_rx_cqe *fp_cqe, | |
1360 | u16 cqe_idx) | |
1361 | { | |
1362 | struct sw_rx_page *rx_pg, old_rx_pg; | |
1363 | u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd); | |
1364 | u32 i, frag_len, frag_size, pages; | |
1365 | int err; | |
1366 | int j; | |
1367 | ||
1368 | frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd; | |
1369 | pages = SGE_PAGE_ALIGN(frag_size) >> SGE_PAGE_SHIFT; | |
1370 | ||
1371 | /* This is needed in order to enable forwarding support */ | |
1372 | if (frag_size) | |
1373 | skb_shinfo(skb)->gso_size = min((u32)SGE_PAGE_SIZE, | |
1374 | max(frag_size, (u32)len_on_bd)); | |
1375 | ||
1376 | #ifdef BNX2X_STOP_ON_ERROR | |
1377 | if (pages > min_t(u32, 8, MAX_SKB_FRAGS)*SGE_PAGE_SIZE*PAGES_PER_SGE) { | |
1378 | BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n", | |
1379 | pages, cqe_idx); | |
1380 | BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n", | |
1381 | fp_cqe->pkt_len, len_on_bd); | |
1382 | bnx2x_panic(); | |
1383 | return -EINVAL; | |
1384 | } | |
1385 | #endif | |
1386 | ||
1387 | /* Run through the SGL and compose the fragmented skb */ | |
1388 | for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) { | |
1389 | u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j])); | |
1390 | ||
1391 | /* FW gives the indices of the SGE as if the ring is an array | |
1392 | (meaning that "next" element will consume 2 indices) */ | |
1393 | frag_len = min(frag_size, (u32)(SGE_PAGE_SIZE*PAGES_PER_SGE)); | |
1394 | rx_pg = &fp->rx_page_ring[sge_idx]; | |
1395 | old_rx_pg = *rx_pg; | |
1396 | ||
1397 | /* If we fail to allocate a substitute page, we simply stop | |
1398 | where we are and drop the whole packet */ | |
1399 | err = bnx2x_alloc_rx_sge(bp, fp, sge_idx); | |
1400 | if (unlikely(err)) { | |
1401 | fp->eth_q_stats.rx_skb_alloc_failed++; | |
1402 | return err; | |
1403 | } | |
1404 | ||
1405 | /* Unmap the page as we r going to pass it to the stack */ | |
1406 | dma_unmap_page(&bp->pdev->dev, | |
1407 | dma_unmap_addr(&old_rx_pg, mapping), | |
1408 | SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE); | |
1409 | ||
1410 | /* Add one frag and update the appropriate fields in the skb */ | |
1411 | skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len); | |
1412 | ||
1413 | skb->data_len += frag_len; | |
1414 | skb->truesize += frag_len; | |
1415 | skb->len += frag_len; | |
1416 | ||
1417 | frag_size -= frag_len; | |
1418 | } | |
1419 | ||
1420 | return 0; | |
1421 | } | |
1422 | ||
1423 | static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, | |
1424 | u16 queue, int pad, int len, union eth_rx_cqe *cqe, | |
1425 | u16 cqe_idx) | |
1426 | { | |
1427 | struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue]; | |
1428 | struct sk_buff *skb = rx_buf->skb; | |
1429 | /* alloc new skb */ | |
1430 | struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); | |
1431 | ||
1432 | /* Unmap skb in the pool anyway, as we are going to change | |
1433 | pool entry status to BNX2X_TPA_STOP even if new skb allocation | |
1434 | fails. */ | |
1435 | dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(rx_buf, mapping), | |
1436 | bp->rx_buf_size, DMA_FROM_DEVICE); | |
1437 | ||
1438 | if (likely(new_skb)) { | |
1439 | /* fix ip xsum and give it to the stack */ | |
1440 | /* (no need to map the new skb) */ | |
1441 | #ifdef BCM_VLAN | |
1442 | int is_vlan_cqe = | |
1443 | (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) & | |
1444 | PARSING_FLAGS_VLAN); | |
1445 | int is_not_hwaccel_vlan_cqe = | |
1446 | (is_vlan_cqe && (!(bp->flags & HW_VLAN_RX_FLAG))); | |
1447 | #endif | |
1448 | ||
1449 | prefetch(skb); | |
1450 | prefetch(((char *)(skb)) + 128); | |
1451 | ||
1452 | #ifdef BNX2X_STOP_ON_ERROR | |
1453 | if (pad + len > bp->rx_buf_size) { | |
1454 | BNX2X_ERR("skb_put is about to fail... " | |
1455 | "pad %d len %d rx_buf_size %d\n", | |
1456 | pad, len, bp->rx_buf_size); | |
1457 | bnx2x_panic(); | |
1458 | return; | |
1459 | } | |
1460 | #endif | |
1461 | ||
1462 | skb_reserve(skb, pad); | |
1463 | skb_put(skb, len); | |
1464 | ||
1465 | skb->protocol = eth_type_trans(skb, bp->dev); | |
1466 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1467 | ||
1468 | { | |
1469 | struct iphdr *iph; | |
1470 | ||
1471 | iph = (struct iphdr *)skb->data; | |
1472 | #ifdef BCM_VLAN | |
1473 | /* If there is no Rx VLAN offloading - | |
1474 | take VLAN tag into an account */ | |
1475 | if (unlikely(is_not_hwaccel_vlan_cqe)) | |
1476 | iph = (struct iphdr *)((u8 *)iph + VLAN_HLEN); | |
1477 | #endif | |
1478 | iph->check = 0; | |
1479 | iph->check = ip_fast_csum((u8 *)iph, iph->ihl); | |
1480 | } | |
1481 | ||
1482 | if (!bnx2x_fill_frag_skb(bp, fp, skb, | |
1483 | &cqe->fast_path_cqe, cqe_idx)) { | |
1484 | #ifdef BCM_VLAN | |
1485 | if ((bp->vlgrp != NULL) && is_vlan_cqe && | |
1486 | (!is_not_hwaccel_vlan_cqe)) | |
1487 | vlan_gro_receive(&fp->napi, bp->vlgrp, | |
1488 | le16_to_cpu(cqe->fast_path_cqe. | |
1489 | vlan_tag), skb); | |
1490 | else | |
1491 | #endif | |
1492 | napi_gro_receive(&fp->napi, skb); | |
1493 | } else { | |
1494 | DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages" | |
1495 | " - dropping packet!\n"); | |
1496 | dev_kfree_skb(skb); | |
1497 | } | |
1498 | ||
1499 | ||
1500 | /* put new skb in bin */ | |
1501 | fp->tpa_pool[queue].skb = new_skb; | |
1502 | ||
1503 | } else { | |
1504 | /* else drop the packet and keep the buffer in the bin */ | |
1505 | DP(NETIF_MSG_RX_STATUS, | |
1506 | "Failed to allocate new skb - dropping packet!\n"); | |
1507 | fp->eth_q_stats.rx_skb_alloc_failed++; | |
1508 | } | |
1509 | ||
1510 | fp->tpa_state[queue] = BNX2X_TPA_STOP; | |
1511 | } | |
1512 | ||
1513 | static inline void bnx2x_update_rx_prod(struct bnx2x *bp, | |
1514 | struct bnx2x_fastpath *fp, | |
1515 | u16 bd_prod, u16 rx_comp_prod, | |
1516 | u16 rx_sge_prod) | |
1517 | { | |
1518 | struct ustorm_eth_rx_producers rx_prods = {0}; | |
1519 | int i; | |
1520 | ||
1521 | /* Update producers */ | |
1522 | rx_prods.bd_prod = bd_prod; | |
1523 | rx_prods.cqe_prod = rx_comp_prod; | |
1524 | rx_prods.sge_prod = rx_sge_prod; | |
1525 | ||
1526 | /* | |
1527 | * Make sure that the BD and SGE data is updated before updating the | |
1528 | * producers since FW might read the BD/SGE right after the producer | |
1529 | * is updated. | |
1530 | * This is only applicable for weak-ordered memory model archs such | |
1531 | * as IA-64. The following barrier is also mandatory since FW will | |
1532 | * assumes BDs must have buffers. | |
1533 | */ | |
1534 | wmb(); | |
1535 | ||
1536 | for (i = 0; i < sizeof(struct ustorm_eth_rx_producers)/4; i++) | |
1537 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
1538 | USTORM_RX_PRODS_OFFSET(BP_PORT(bp), fp->cl_id) + i*4, | |
1539 | ((u32 *)&rx_prods)[i]); | |
1540 | ||
1541 | mmiowb(); /* keep prod updates ordered */ | |
1542 | ||
1543 | DP(NETIF_MSG_RX_STATUS, | |
1544 | "queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n", | |
1545 | fp->index, bd_prod, rx_comp_prod, rx_sge_prod); | |
1546 | } | |
1547 | ||
1548 | static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) | |
1549 | { | |
1550 | struct bnx2x *bp = fp->bp; | |
1551 | u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons; | |
1552 | u16 hw_comp_cons, sw_comp_cons, sw_comp_prod; | |
1553 | int rx_pkt = 0; | |
1554 | ||
1555 | #ifdef BNX2X_STOP_ON_ERROR | |
1556 | if (unlikely(bp->panic)) | |
1557 | return 0; | |
1558 | #endif | |
1559 | ||
1560 | /* CQ "next element" is of the size of the regular element, | |
1561 | that's why it's ok here */ | |
1562 | hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb); | |
1563 | if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) | |
1564 | hw_comp_cons++; | |
1565 | ||
1566 | bd_cons = fp->rx_bd_cons; | |
1567 | bd_prod = fp->rx_bd_prod; | |
1568 | bd_prod_fw = bd_prod; | |
1569 | sw_comp_cons = fp->rx_comp_cons; | |
1570 | sw_comp_prod = fp->rx_comp_prod; | |
1571 | ||
1572 | /* Memory barrier necessary as speculative reads of the rx | |
1573 | * buffer can be ahead of the index in the status block | |
1574 | */ | |
1575 | rmb(); | |
1576 | ||
1577 | DP(NETIF_MSG_RX_STATUS, | |
1578 | "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n", | |
1579 | fp->index, hw_comp_cons, sw_comp_cons); | |
1580 | ||
1581 | while (sw_comp_cons != hw_comp_cons) { | |
1582 | struct sw_rx_bd *rx_buf = NULL; | |
1583 | struct sk_buff *skb; | |
1584 | union eth_rx_cqe *cqe; | |
1585 | u8 cqe_fp_flags, cqe_fp_status_flags; | |
1586 | u16 len, pad; | |
1587 | ||
1588 | comp_ring_cons = RCQ_BD(sw_comp_cons); | |
1589 | bd_prod = RX_BD(bd_prod); | |
1590 | bd_cons = RX_BD(bd_cons); | |
1591 | ||
1592 | /* Prefetch the page containing the BD descriptor | |
1593 | at producer's index. It will be needed when new skb is | |
1594 | allocated */ | |
1595 | prefetch((void *)(PAGE_ALIGN((unsigned long) | |
1596 | (&fp->rx_desc_ring[bd_prod])) - | |
1597 | PAGE_SIZE + 1)); | |
1598 | ||
1599 | cqe = &fp->rx_comp_ring[comp_ring_cons]; | |
1600 | cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; | |
1601 | cqe_fp_status_flags = cqe->fast_path_cqe.status_flags; | |
1602 | ||
1603 | DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x" | |
1604 | " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags), | |
1605 | cqe_fp_flags, cqe->fast_path_cqe.status_flags, | |
1606 | le32_to_cpu(cqe->fast_path_cqe.rss_hash_result), | |
1607 | le16_to_cpu(cqe->fast_path_cqe.vlan_tag), | |
1608 | le16_to_cpu(cqe->fast_path_cqe.pkt_len)); | |
1609 | ||
1610 | /* is this a slowpath msg? */ | |
1611 | if (unlikely(CQE_TYPE(cqe_fp_flags))) { | |
1612 | bnx2x_sp_event(fp, cqe); | |
1613 | goto next_cqe; | |
1614 | ||
1615 | /* this is an rx packet */ | |
1616 | } else { | |
1617 | rx_buf = &fp->rx_buf_ring[bd_cons]; | |
1618 | skb = rx_buf->skb; | |
1619 | prefetch(skb); | |
1620 | len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); | |
1621 | pad = cqe->fast_path_cqe.placement_offset; | |
1622 | ||
1623 | /* If CQE is marked both TPA_START and TPA_END | |
1624 | it is a non-TPA CQE */ | |
1625 | if ((!fp->disable_tpa) && | |
1626 | (TPA_TYPE(cqe_fp_flags) != | |
1627 | (TPA_TYPE_START | TPA_TYPE_END))) { | |
1628 | u16 queue = cqe->fast_path_cqe.queue_index; | |
1629 | ||
1630 | if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) { | |
1631 | DP(NETIF_MSG_RX_STATUS, | |
1632 | "calling tpa_start on queue %d\n", | |
1633 | queue); | |
1634 | ||
1635 | bnx2x_tpa_start(fp, queue, skb, | |
1636 | bd_cons, bd_prod); | |
1637 | goto next_rx; | |
1638 | } | |
1639 | ||
1640 | if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) { | |
1641 | DP(NETIF_MSG_RX_STATUS, | |
1642 | "calling tpa_stop on queue %d\n", | |
1643 | queue); | |
1644 | ||
1645 | if (!BNX2X_RX_SUM_FIX(cqe)) | |
1646 | BNX2X_ERR("STOP on none TCP " | |
1647 | "data\n"); | |
1648 | ||
1649 | /* This is a size of the linear data | |
1650 | on this skb */ | |
1651 | len = le16_to_cpu(cqe->fast_path_cqe. | |
1652 | len_on_bd); | |
1653 | bnx2x_tpa_stop(bp, fp, queue, pad, | |
1654 | len, cqe, comp_ring_cons); | |
1655 | #ifdef BNX2X_STOP_ON_ERROR | |
1656 | if (bp->panic) | |
1657 | return 0; | |
1658 | #endif | |
1659 | ||
1660 | bnx2x_update_sge_prod(fp, | |
1661 | &cqe->fast_path_cqe); | |
1662 | goto next_cqe; | |
1663 | } | |
1664 | } | |
1665 | ||
1666 | dma_sync_single_for_device(&bp->pdev->dev, | |
1667 | dma_unmap_addr(rx_buf, mapping), | |
1668 | pad + RX_COPY_THRESH, | |
1669 | DMA_FROM_DEVICE); | |
1670 | prefetch(((char *)(skb)) + 128); | |
1671 | ||
1672 | /* is this an error packet? */ | |
1673 | if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) { | |
1674 | DP(NETIF_MSG_RX_ERR, | |
1675 | "ERROR flags %x rx packet %u\n", | |
1676 | cqe_fp_flags, sw_comp_cons); | |
1677 | fp->eth_q_stats.rx_err_discard_pkt++; | |
1678 | goto reuse_rx; | |
1679 | } | |
1680 | ||
1681 | /* Since we don't have a jumbo ring | |
1682 | * copy small packets if mtu > 1500 | |
1683 | */ | |
1684 | if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) && | |
1685 | (len <= RX_COPY_THRESH)) { | |
1686 | struct sk_buff *new_skb; | |
1687 | ||
1688 | new_skb = netdev_alloc_skb(bp->dev, | |
1689 | len + pad); | |
1690 | if (new_skb == NULL) { | |
1691 | DP(NETIF_MSG_RX_ERR, | |
1692 | "ERROR packet dropped " | |
1693 | "because of alloc failure\n"); | |
1694 | fp->eth_q_stats.rx_skb_alloc_failed++; | |
1695 | goto reuse_rx; | |
1696 | } | |
1697 | ||
1698 | /* aligned copy */ | |
1699 | skb_copy_from_linear_data_offset(skb, pad, | |
1700 | new_skb->data + pad, len); | |
1701 | skb_reserve(new_skb, pad); | |
1702 | skb_put(new_skb, len); | |
1703 | ||
1704 | bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); | |
1705 | ||
1706 | skb = new_skb; | |
1707 | ||
1708 | } else | |
1709 | if (likely(bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0)) { | |
1710 | dma_unmap_single(&bp->pdev->dev, | |
1711 | dma_unmap_addr(rx_buf, mapping), | |
1712 | bp->rx_buf_size, | |
1713 | DMA_FROM_DEVICE); | |
1714 | skb_reserve(skb, pad); | |
1715 | skb_put(skb, len); | |
1716 | ||
1717 | } else { | |
1718 | DP(NETIF_MSG_RX_ERR, | |
1719 | "ERROR packet dropped because " | |
1720 | "of alloc failure\n"); | |
1721 | fp->eth_q_stats.rx_skb_alloc_failed++; | |
1722 | reuse_rx: | |
1723 | bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); | |
1724 | goto next_rx; | |
1725 | } | |
1726 | ||
1727 | skb->protocol = eth_type_trans(skb, bp->dev); | |
1728 | ||
1729 | if ((bp->dev->features & NETIF_F_RXHASH) && | |
1730 | (cqe_fp_status_flags & | |
1731 | ETH_FAST_PATH_RX_CQE_RSS_HASH_FLG)) | |
1732 | skb->rxhash = le32_to_cpu( | |
1733 | cqe->fast_path_cqe.rss_hash_result); | |
1734 | ||
1735 | skb->ip_summed = CHECKSUM_NONE; | |
1736 | if (bp->rx_csum) { | |
1737 | if (likely(BNX2X_RX_CSUM_OK(cqe))) | |
1738 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1739 | else | |
1740 | fp->eth_q_stats.hw_csum_err++; | |
1741 | } | |
1742 | } | |
1743 | ||
1744 | skb_record_rx_queue(skb, fp->index); | |
1745 | ||
1746 | #ifdef BCM_VLAN | |
1747 | if ((bp->vlgrp != NULL) && (bp->flags & HW_VLAN_RX_FLAG) && | |
1748 | (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) & | |
1749 | PARSING_FLAGS_VLAN)) | |
1750 | vlan_gro_receive(&fp->napi, bp->vlgrp, | |
1751 | le16_to_cpu(cqe->fast_path_cqe.vlan_tag), skb); | |
1752 | else | |
1753 | #endif | |
1754 | napi_gro_receive(&fp->napi, skb); | |
1755 | ||
1756 | ||
1757 | next_rx: | |
1758 | rx_buf->skb = NULL; | |
1759 | ||
1760 | bd_cons = NEXT_RX_IDX(bd_cons); | |
1761 | bd_prod = NEXT_RX_IDX(bd_prod); | |
1762 | bd_prod_fw = NEXT_RX_IDX(bd_prod_fw); | |
1763 | rx_pkt++; | |
1764 | next_cqe: | |
1765 | sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod); | |
1766 | sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons); | |
1767 | ||
1768 | if (rx_pkt == budget) | |
1769 | break; | |
1770 | } /* while */ | |
1771 | ||
1772 | fp->rx_bd_cons = bd_cons; | |
1773 | fp->rx_bd_prod = bd_prod_fw; | |
1774 | fp->rx_comp_cons = sw_comp_cons; | |
1775 | fp->rx_comp_prod = sw_comp_prod; | |
1776 | ||
1777 | /* Update producers */ | |
1778 | bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod, | |
1779 | fp->rx_sge_prod); | |
1780 | ||
1781 | fp->rx_pkt += rx_pkt; | |
1782 | fp->rx_calls++; | |
1783 | ||
1784 | return rx_pkt; | |
1785 | } | |
1786 | ||
1787 | static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie) | |
1788 | { | |
1789 | struct bnx2x_fastpath *fp = fp_cookie; | |
1790 | struct bnx2x *bp = fp->bp; | |
1791 | ||
1792 | /* Return here if interrupt is disabled */ | |
1793 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
1794 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
1795 | return IRQ_HANDLED; | |
1796 | } | |
1797 | ||
1798 | DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n", | |
1799 | fp->index, fp->sb_id); | |
1800 | bnx2x_ack_sb(bp, fp->sb_id, USTORM_ID, 0, IGU_INT_DISABLE, 0); | |
1801 | ||
1802 | #ifdef BNX2X_STOP_ON_ERROR | |
1803 | if (unlikely(bp->panic)) | |
1804 | return IRQ_HANDLED; | |
1805 | #endif | |
1806 | ||
1807 | /* Handle Rx and Tx according to MSI-X vector */ | |
1808 | prefetch(fp->rx_cons_sb); | |
1809 | prefetch(fp->tx_cons_sb); | |
1810 | prefetch(&fp->status_blk->u_status_block.status_block_index); | |
1811 | prefetch(&fp->status_blk->c_status_block.status_block_index); | |
1812 | napi_schedule(&bnx2x_fp(bp, fp->index, napi)); | |
1813 | ||
1814 | return IRQ_HANDLED; | |
1815 | } | |
1816 | ||
1817 | static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance) | |
1818 | { | |
1819 | struct bnx2x *bp = netdev_priv(dev_instance); | |
1820 | u16 status = bnx2x_ack_int(bp); | |
1821 | u16 mask; | |
1822 | int i; | |
1823 | ||
1824 | /* Return here if interrupt is shared and it's not for us */ | |
1825 | if (unlikely(status == 0)) { | |
1826 | DP(NETIF_MSG_INTR, "not our interrupt!\n"); | |
1827 | return IRQ_NONE; | |
1828 | } | |
1829 | DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status); | |
1830 | ||
1831 | /* Return here if interrupt is disabled */ | |
1832 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
1833 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
1834 | return IRQ_HANDLED; | |
1835 | } | |
1836 | ||
1837 | #ifdef BNX2X_STOP_ON_ERROR | |
1838 | if (unlikely(bp->panic)) | |
1839 | return IRQ_HANDLED; | |
1840 | #endif | |
1841 | ||
1842 | for (i = 0; i < BNX2X_NUM_QUEUES(bp); i++) { | |
1843 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
1844 | ||
1845 | mask = 0x2 << fp->sb_id; | |
1846 | if (status & mask) { | |
1847 | /* Handle Rx and Tx according to SB id */ | |
1848 | prefetch(fp->rx_cons_sb); | |
1849 | prefetch(&fp->status_blk->u_status_block. | |
1850 | status_block_index); | |
1851 | prefetch(fp->tx_cons_sb); | |
1852 | prefetch(&fp->status_blk->c_status_block. | |
1853 | status_block_index); | |
1854 | napi_schedule(&bnx2x_fp(bp, fp->index, napi)); | |
1855 | status &= ~mask; | |
1856 | } | |
1857 | } | |
1858 | ||
1859 | #ifdef BCM_CNIC | |
1860 | mask = 0x2 << CNIC_SB_ID(bp); | |
1861 | if (status & (mask | 0x1)) { | |
1862 | struct cnic_ops *c_ops = NULL; | |
1863 | ||
1864 | rcu_read_lock(); | |
1865 | c_ops = rcu_dereference(bp->cnic_ops); | |
1866 | if (c_ops) | |
1867 | c_ops->cnic_handler(bp->cnic_data, NULL); | |
1868 | rcu_read_unlock(); | |
1869 | ||
1870 | status &= ~mask; | |
1871 | } | |
1872 | #endif | |
1873 | ||
1874 | if (unlikely(status & 0x1)) { | |
1875 | queue_delayed_work(bnx2x_wq, &bp->sp_task, 0); | |
1876 | ||
1877 | status &= ~0x1; | |
1878 | if (!status) | |
1879 | return IRQ_HANDLED; | |
1880 | } | |
1881 | ||
1882 | if (unlikely(status)) | |
1883 | DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n", | |
1884 | status); | |
1885 | ||
1886 | return IRQ_HANDLED; | |
1887 | } | |
1888 | ||
1889 | /* end of fast path */ | |
1890 | ||
1891 | static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event); | |
1892 | ||
1893 | /* Link */ | |
1894 | ||
1895 | /* | |
1896 | * General service functions | |
1897 | */ | |
1898 | ||
1899 | static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource) | |
1900 | { | |
1901 | u32 lock_status; | |
1902 | u32 resource_bit = (1 << resource); | |
1903 | int func = BP_FUNC(bp); | |
1904 | u32 hw_lock_control_reg; | |
1905 | int cnt; | |
1906 | ||
1907 | /* Validating that the resource is within range */ | |
1908 | if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { | |
1909 | DP(NETIF_MSG_HW, | |
1910 | "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", | |
1911 | resource, HW_LOCK_MAX_RESOURCE_VALUE); | |
1912 | return -EINVAL; | |
1913 | } | |
1914 | ||
1915 | if (func <= 5) { | |
1916 | hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8); | |
1917 | } else { | |
1918 | hw_lock_control_reg = | |
1919 | (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8); | |
1920 | } | |
1921 | ||
1922 | /* Validating that the resource is not already taken */ | |
1923 | lock_status = REG_RD(bp, hw_lock_control_reg); | |
1924 | if (lock_status & resource_bit) { | |
1925 | DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", | |
1926 | lock_status, resource_bit); | |
1927 | return -EEXIST; | |
1928 | } | |
1929 | ||
1930 | /* Try for 5 second every 5ms */ | |
1931 | for (cnt = 0; cnt < 1000; cnt++) { | |
1932 | /* Try to acquire the lock */ | |
1933 | REG_WR(bp, hw_lock_control_reg + 4, resource_bit); | |
1934 | lock_status = REG_RD(bp, hw_lock_control_reg); | |
1935 | if (lock_status & resource_bit) | |
1936 | return 0; | |
1937 | ||
1938 | msleep(5); | |
1939 | } | |
1940 | DP(NETIF_MSG_HW, "Timeout\n"); | |
1941 | return -EAGAIN; | |
1942 | } | |
1943 | ||
1944 | static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource) | |
1945 | { | |
1946 | u32 lock_status; | |
1947 | u32 resource_bit = (1 << resource); | |
1948 | int func = BP_FUNC(bp); | |
1949 | u32 hw_lock_control_reg; | |
1950 | ||
1951 | DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource); | |
1952 | ||
1953 | /* Validating that the resource is within range */ | |
1954 | if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { | |
1955 | DP(NETIF_MSG_HW, | |
1956 | "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", | |
1957 | resource, HW_LOCK_MAX_RESOURCE_VALUE); | |
1958 | return -EINVAL; | |
1959 | } | |
1960 | ||
1961 | if (func <= 5) { | |
1962 | hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8); | |
1963 | } else { | |
1964 | hw_lock_control_reg = | |
1965 | (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8); | |
1966 | } | |
1967 | ||
1968 | /* Validating that the resource is currently taken */ | |
1969 | lock_status = REG_RD(bp, hw_lock_control_reg); | |
1970 | if (!(lock_status & resource_bit)) { | |
1971 | DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", | |
1972 | lock_status, resource_bit); | |
1973 | return -EFAULT; | |
1974 | } | |
1975 | ||
1976 | REG_WR(bp, hw_lock_control_reg, resource_bit); | |
1977 | return 0; | |
1978 | } | |
1979 | ||
1980 | /* HW Lock for shared dual port PHYs */ | |
1981 | static void bnx2x_acquire_phy_lock(struct bnx2x *bp) | |
1982 | { | |
1983 | mutex_lock(&bp->port.phy_mutex); | |
1984 | ||
1985 | if (bp->port.need_hw_lock) | |
1986 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_MDIO); | |
1987 | } | |
1988 | ||
1989 | static void bnx2x_release_phy_lock(struct bnx2x *bp) | |
1990 | { | |
1991 | if (bp->port.need_hw_lock) | |
1992 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_MDIO); | |
1993 | ||
1994 | mutex_unlock(&bp->port.phy_mutex); | |
1995 | } | |
1996 | ||
1997 | int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port) | |
1998 | { | |
1999 | /* The GPIO should be swapped if swap register is set and active */ | |
2000 | int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) && | |
2001 | REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port; | |
2002 | int gpio_shift = gpio_num + | |
2003 | (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0); | |
2004 | u32 gpio_mask = (1 << gpio_shift); | |
2005 | u32 gpio_reg; | |
2006 | int value; | |
2007 | ||
2008 | if (gpio_num > MISC_REGISTERS_GPIO_3) { | |
2009 | BNX2X_ERR("Invalid GPIO %d\n", gpio_num); | |
2010 | return -EINVAL; | |
2011 | } | |
2012 | ||
2013 | /* read GPIO value */ | |
2014 | gpio_reg = REG_RD(bp, MISC_REG_GPIO); | |
2015 | ||
2016 | /* get the requested pin value */ | |
2017 | if ((gpio_reg & gpio_mask) == gpio_mask) | |
2018 | value = 1; | |
2019 | else | |
2020 | value = 0; | |
2021 | ||
2022 | DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value); | |
2023 | ||
2024 | return value; | |
2025 | } | |
2026 | ||
2027 | int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port) | |
2028 | { | |
2029 | /* The GPIO should be swapped if swap register is set and active */ | |
2030 | int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) && | |
2031 | REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port; | |
2032 | int gpio_shift = gpio_num + | |
2033 | (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0); | |
2034 | u32 gpio_mask = (1 << gpio_shift); | |
2035 | u32 gpio_reg; | |
2036 | ||
2037 | if (gpio_num > MISC_REGISTERS_GPIO_3) { | |
2038 | BNX2X_ERR("Invalid GPIO %d\n", gpio_num); | |
2039 | return -EINVAL; | |
2040 | } | |
2041 | ||
2042 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); | |
2043 | /* read GPIO and mask except the float bits */ | |
2044 | gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT); | |
2045 | ||
2046 | switch (mode) { | |
2047 | case MISC_REGISTERS_GPIO_OUTPUT_LOW: | |
2048 | DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n", | |
2049 | gpio_num, gpio_shift); | |
2050 | /* clear FLOAT and set CLR */ | |
2051 | gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); | |
2052 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS); | |
2053 | break; | |
2054 | ||
2055 | case MISC_REGISTERS_GPIO_OUTPUT_HIGH: | |
2056 | DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n", | |
2057 | gpio_num, gpio_shift); | |
2058 | /* clear FLOAT and set SET */ | |
2059 | gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); | |
2060 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS); | |
2061 | break; | |
2062 | ||
2063 | case MISC_REGISTERS_GPIO_INPUT_HI_Z: | |
2064 | DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n", | |
2065 | gpio_num, gpio_shift); | |
2066 | /* set FLOAT */ | |
2067 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); | |
2068 | break; | |
2069 | ||
2070 | default: | |
2071 | break; | |
2072 | } | |
2073 | ||
2074 | REG_WR(bp, MISC_REG_GPIO, gpio_reg); | |
2075 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); | |
2076 | ||
2077 | return 0; | |
2078 | } | |
2079 | ||
2080 | int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port) | |
2081 | { | |
2082 | /* The GPIO should be swapped if swap register is set and active */ | |
2083 | int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) && | |
2084 | REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port; | |
2085 | int gpio_shift = gpio_num + | |
2086 | (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0); | |
2087 | u32 gpio_mask = (1 << gpio_shift); | |
2088 | u32 gpio_reg; | |
2089 | ||
2090 | if (gpio_num > MISC_REGISTERS_GPIO_3) { | |
2091 | BNX2X_ERR("Invalid GPIO %d\n", gpio_num); | |
2092 | return -EINVAL; | |
2093 | } | |
2094 | ||
2095 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); | |
2096 | /* read GPIO int */ | |
2097 | gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT); | |
2098 | ||
2099 | switch (mode) { | |
2100 | case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR: | |
2101 | DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> " | |
2102 | "output low\n", gpio_num, gpio_shift); | |
2103 | /* clear SET and set CLR */ | |
2104 | gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS); | |
2105 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS); | |
2106 | break; | |
2107 | ||
2108 | case MISC_REGISTERS_GPIO_INT_OUTPUT_SET: | |
2109 | DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> " | |
2110 | "output high\n", gpio_num, gpio_shift); | |
2111 | /* clear CLR and set SET */ | |
2112 | gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS); | |
2113 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS); | |
2114 | break; | |
2115 | ||
2116 | default: | |
2117 | break; | |
2118 | } | |
2119 | ||
2120 | REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg); | |
2121 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); | |
2122 | ||
2123 | return 0; | |
2124 | } | |
2125 | ||
2126 | static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode) | |
2127 | { | |
2128 | u32 spio_mask = (1 << spio_num); | |
2129 | u32 spio_reg; | |
2130 | ||
2131 | if ((spio_num < MISC_REGISTERS_SPIO_4) || | |
2132 | (spio_num > MISC_REGISTERS_SPIO_7)) { | |
2133 | BNX2X_ERR("Invalid SPIO %d\n", spio_num); | |
2134 | return -EINVAL; | |
2135 | } | |
2136 | ||
2137 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO); | |
2138 | /* read SPIO and mask except the float bits */ | |
2139 | spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT); | |
2140 | ||
2141 | switch (mode) { | |
2142 | case MISC_REGISTERS_SPIO_OUTPUT_LOW: | |
2143 | DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num); | |
2144 | /* clear FLOAT and set CLR */ | |
2145 | spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); | |
2146 | spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS); | |
2147 | break; | |
2148 | ||
2149 | case MISC_REGISTERS_SPIO_OUTPUT_HIGH: | |
2150 | DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num); | |
2151 | /* clear FLOAT and set SET */ | |
2152 | spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); | |
2153 | spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS); | |
2154 | break; | |
2155 | ||
2156 | case MISC_REGISTERS_SPIO_INPUT_HI_Z: | |
2157 | DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num); | |
2158 | /* set FLOAT */ | |
2159 | spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); | |
2160 | break; | |
2161 | ||
2162 | default: | |
2163 | break; | |
2164 | } | |
2165 | ||
2166 | REG_WR(bp, MISC_REG_SPIO, spio_reg); | |
2167 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO); | |
2168 | ||
2169 | return 0; | |
2170 | } | |
2171 | ||
2172 | static void bnx2x_calc_fc_adv(struct bnx2x *bp) | |
2173 | { | |
2174 | switch (bp->link_vars.ieee_fc & | |
2175 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) { | |
2176 | case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE: | |
2177 | bp->port.advertising &= ~(ADVERTISED_Asym_Pause | | |
2178 | ADVERTISED_Pause); | |
2179 | break; | |
2180 | ||
2181 | case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH: | |
2182 | bp->port.advertising |= (ADVERTISED_Asym_Pause | | |
2183 | ADVERTISED_Pause); | |
2184 | break; | |
2185 | ||
2186 | case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC: | |
2187 | bp->port.advertising |= ADVERTISED_Asym_Pause; | |
2188 | break; | |
2189 | ||
2190 | default: | |
2191 | bp->port.advertising &= ~(ADVERTISED_Asym_Pause | | |
2192 | ADVERTISED_Pause); | |
2193 | break; | |
2194 | } | |
2195 | } | |
2196 | ||
2197 | static void bnx2x_link_report(struct bnx2x *bp) | |
2198 | { | |
2199 | if (bp->flags & MF_FUNC_DIS) { | |
2200 | netif_carrier_off(bp->dev); | |
2201 | netdev_err(bp->dev, "NIC Link is Down\n"); | |
2202 | return; | |
2203 | } | |
2204 | ||
2205 | if (bp->link_vars.link_up) { | |
2206 | u16 line_speed; | |
2207 | ||
2208 | if (bp->state == BNX2X_STATE_OPEN) | |
2209 | netif_carrier_on(bp->dev); | |
2210 | netdev_info(bp->dev, "NIC Link is Up, "); | |
2211 | ||
2212 | line_speed = bp->link_vars.line_speed; | |
2213 | if (IS_E1HMF(bp)) { | |
2214 | u16 vn_max_rate; | |
2215 | ||
2216 | vn_max_rate = | |
2217 | ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >> | |
2218 | FUNC_MF_CFG_MAX_BW_SHIFT) * 100; | |
2219 | if (vn_max_rate < line_speed) | |
2220 | line_speed = vn_max_rate; | |
2221 | } | |
2222 | pr_cont("%d Mbps ", line_speed); | |
2223 | ||
2224 | if (bp->link_vars.duplex == DUPLEX_FULL) | |
2225 | pr_cont("full duplex"); | |
2226 | else | |
2227 | pr_cont("half duplex"); | |
2228 | ||
2229 | if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) { | |
2230 | if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) { | |
2231 | pr_cont(", receive "); | |
2232 | if (bp->link_vars.flow_ctrl & | |
2233 | BNX2X_FLOW_CTRL_TX) | |
2234 | pr_cont("& transmit "); | |
2235 | } else { | |
2236 | pr_cont(", transmit "); | |
2237 | } | |
2238 | pr_cont("flow control ON"); | |
2239 | } | |
2240 | pr_cont("\n"); | |
2241 | ||
2242 | } else { /* link_down */ | |
2243 | netif_carrier_off(bp->dev); | |
2244 | netdev_err(bp->dev, "NIC Link is Down\n"); | |
2245 | } | |
2246 | } | |
2247 | ||
2248 | static u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode) | |
2249 | { | |
2250 | if (!BP_NOMCP(bp)) { | |
2251 | u8 rc; | |
2252 | ||
2253 | /* Initialize link parameters structure variables */ | |
2254 | /* It is recommended to turn off RX FC for jumbo frames | |
2255 | for better performance */ | |
2256 | if (bp->dev->mtu > 5000) | |
2257 | bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX; | |
2258 | else | |
2259 | bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH; | |
2260 | ||
2261 | bnx2x_acquire_phy_lock(bp); | |
2262 | ||
2263 | if (load_mode == LOAD_DIAG) | |
2264 | bp->link_params.loopback_mode = LOOPBACK_XGXS_10; | |
2265 | ||
2266 | rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars); | |
2267 | ||
2268 | bnx2x_release_phy_lock(bp); | |
2269 | ||
2270 | bnx2x_calc_fc_adv(bp); | |
2271 | ||
2272 | if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) { | |
2273 | bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); | |
2274 | bnx2x_link_report(bp); | |
2275 | } | |
2276 | ||
2277 | return rc; | |
2278 | } | |
2279 | BNX2X_ERR("Bootcode is missing - can not initialize link\n"); | |
2280 | return -EINVAL; | |
2281 | } | |
2282 | ||
2283 | static void bnx2x_link_set(struct bnx2x *bp) | |
2284 | { | |
2285 | if (!BP_NOMCP(bp)) { | |
2286 | bnx2x_acquire_phy_lock(bp); | |
2287 | bnx2x_phy_init(&bp->link_params, &bp->link_vars); | |
2288 | bnx2x_release_phy_lock(bp); | |
2289 | ||
2290 | bnx2x_calc_fc_adv(bp); | |
2291 | } else | |
2292 | BNX2X_ERR("Bootcode is missing - can not set link\n"); | |
2293 | } | |
2294 | ||
2295 | static void bnx2x__link_reset(struct bnx2x *bp) | |
2296 | { | |
2297 | if (!BP_NOMCP(bp)) { | |
2298 | bnx2x_acquire_phy_lock(bp); | |
2299 | bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1); | |
2300 | bnx2x_release_phy_lock(bp); | |
2301 | } else | |
2302 | BNX2X_ERR("Bootcode is missing - can not reset link\n"); | |
2303 | } | |
2304 | ||
2305 | static u8 bnx2x_link_test(struct bnx2x *bp) | |
2306 | { | |
2307 | u8 rc = 0; | |
2308 | ||
2309 | if (!BP_NOMCP(bp)) { | |
2310 | bnx2x_acquire_phy_lock(bp); | |
2311 | rc = bnx2x_test_link(&bp->link_params, &bp->link_vars); | |
2312 | bnx2x_release_phy_lock(bp); | |
2313 | } else | |
2314 | BNX2X_ERR("Bootcode is missing - can not test link\n"); | |
2315 | ||
2316 | return rc; | |
2317 | } | |
2318 | ||
2319 | static void bnx2x_init_port_minmax(struct bnx2x *bp) | |
2320 | { | |
2321 | u32 r_param = bp->link_vars.line_speed / 8; | |
2322 | u32 fair_periodic_timeout_usec; | |
2323 | u32 t_fair; | |
2324 | ||
2325 | memset(&(bp->cmng.rs_vars), 0, | |
2326 | sizeof(struct rate_shaping_vars_per_port)); | |
2327 | memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port)); | |
2328 | ||
2329 | /* 100 usec in SDM ticks = 25 since each tick is 4 usec */ | |
2330 | bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4; | |
2331 | ||
2332 | /* this is the threshold below which no timer arming will occur | |
2333 | 1.25 coefficient is for the threshold to be a little bigger | |
2334 | than the real time, to compensate for timer in-accuracy */ | |
2335 | bp->cmng.rs_vars.rs_threshold = | |
2336 | (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4; | |
2337 | ||
2338 | /* resolution of fairness timer */ | |
2339 | fair_periodic_timeout_usec = QM_ARB_BYTES / r_param; | |
2340 | /* for 10G it is 1000usec. for 1G it is 10000usec. */ | |
2341 | t_fair = T_FAIR_COEF / bp->link_vars.line_speed; | |
2342 | ||
2343 | /* this is the threshold below which we won't arm the timer anymore */ | |
2344 | bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES; | |
2345 | ||
2346 | /* we multiply by 1e3/8 to get bytes/msec. | |
2347 | We don't want the credits to pass a credit | |
2348 | of the t_fair*FAIR_MEM (algorithm resolution) */ | |
2349 | bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM; | |
2350 | /* since each tick is 4 usec */ | |
2351 | bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4; | |
2352 | } | |
2353 | ||
2354 | /* Calculates the sum of vn_min_rates. | |
2355 | It's needed for further normalizing of the min_rates. | |
2356 | Returns: | |
2357 | sum of vn_min_rates. | |
2358 | or | |
2359 | 0 - if all the min_rates are 0. | |
2360 | In the later case fainess algorithm should be deactivated. | |
2361 | If not all min_rates are zero then those that are zeroes will be set to 1. | |
2362 | */ | |
2363 | static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp) | |
2364 | { | |
2365 | int all_zero = 1; | |
2366 | int port = BP_PORT(bp); | |
2367 | int vn; | |
2368 | ||
2369 | bp->vn_weight_sum = 0; | |
2370 | for (vn = VN_0; vn < E1HVN_MAX; vn++) { | |
2371 | int func = 2*vn + port; | |
2372 | u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config); | |
2373 | u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >> | |
2374 | FUNC_MF_CFG_MIN_BW_SHIFT) * 100; | |
2375 | ||
2376 | /* Skip hidden vns */ | |
2377 | if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) | |
2378 | continue; | |
2379 | ||
2380 | /* If min rate is zero - set it to 1 */ | |
2381 | if (!vn_min_rate) | |
2382 | vn_min_rate = DEF_MIN_RATE; | |
2383 | else | |
2384 | all_zero = 0; | |
2385 | ||
2386 | bp->vn_weight_sum += vn_min_rate; | |
2387 | } | |
2388 | ||
2389 | /* ... only if all min rates are zeros - disable fairness */ | |
2390 | if (all_zero) { | |
2391 | bp->cmng.flags.cmng_enables &= | |
2392 | ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN; | |
2393 | DP(NETIF_MSG_IFUP, "All MIN values are zeroes" | |
2394 | " fairness will be disabled\n"); | |
2395 | } else | |
2396 | bp->cmng.flags.cmng_enables |= | |
2397 | CMNG_FLAGS_PER_PORT_FAIRNESS_VN; | |
2398 | } | |
2399 | ||
2400 | static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func) | |
2401 | { | |
2402 | struct rate_shaping_vars_per_vn m_rs_vn; | |
2403 | struct fairness_vars_per_vn m_fair_vn; | |
2404 | u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config); | |
2405 | u16 vn_min_rate, vn_max_rate; | |
2406 | int i; | |
2407 | ||
2408 | /* If function is hidden - set min and max to zeroes */ | |
2409 | if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) { | |
2410 | vn_min_rate = 0; | |
2411 | vn_max_rate = 0; | |
2412 | ||
2413 | } else { | |
2414 | vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >> | |
2415 | FUNC_MF_CFG_MIN_BW_SHIFT) * 100; | |
2416 | /* If min rate is zero - set it to 1 */ | |
2417 | if (!vn_min_rate) | |
2418 | vn_min_rate = DEF_MIN_RATE; | |
2419 | vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >> | |
2420 | FUNC_MF_CFG_MAX_BW_SHIFT) * 100; | |
2421 | } | |
2422 | DP(NETIF_MSG_IFUP, | |
2423 | "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n", | |
2424 | func, vn_min_rate, vn_max_rate, bp->vn_weight_sum); | |
2425 | ||
2426 | memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn)); | |
2427 | memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn)); | |
2428 | ||
2429 | /* global vn counter - maximal Mbps for this vn */ | |
2430 | m_rs_vn.vn_counter.rate = vn_max_rate; | |
2431 | ||
2432 | /* quota - number of bytes transmitted in this period */ | |
2433 | m_rs_vn.vn_counter.quota = | |
2434 | (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8; | |
2435 | ||
2436 | if (bp->vn_weight_sum) { | |
2437 | /* credit for each period of the fairness algorithm: | |
2438 | number of bytes in T_FAIR (the vn share the port rate). | |
2439 | vn_weight_sum should not be larger than 10000, thus | |
2440 | T_FAIR_COEF / (8 * vn_weight_sum) will always be greater | |
2441 | than zero */ | |
2442 | m_fair_vn.vn_credit_delta = | |
2443 | max_t(u32, (vn_min_rate * (T_FAIR_COEF / | |
2444 | (8 * bp->vn_weight_sum))), | |
2445 | (bp->cmng.fair_vars.fair_threshold * 2)); | |
2446 | DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n", | |
2447 | m_fair_vn.vn_credit_delta); | |
2448 | } | |
2449 | ||
2450 | /* Store it to internal memory */ | |
2451 | for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++) | |
2452 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
2453 | XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4, | |
2454 | ((u32 *)(&m_rs_vn))[i]); | |
2455 | ||
2456 | for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++) | |
2457 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
2458 | XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4, | |
2459 | ((u32 *)(&m_fair_vn))[i]); | |
2460 | } | |
2461 | ||
2462 | ||
2463 | /* This function is called upon link interrupt */ | |
2464 | static void bnx2x_link_attn(struct bnx2x *bp) | |
2465 | { | |
2466 | u32 prev_link_status = bp->link_vars.link_status; | |
2467 | /* Make sure that we are synced with the current statistics */ | |
2468 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
2469 | ||
2470 | bnx2x_link_update(&bp->link_params, &bp->link_vars); | |
2471 | ||
2472 | if (bp->link_vars.link_up) { | |
2473 | ||
2474 | /* dropless flow control */ | |
2475 | if (CHIP_IS_E1H(bp) && bp->dropless_fc) { | |
2476 | int port = BP_PORT(bp); | |
2477 | u32 pause_enabled = 0; | |
2478 | ||
2479 | if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) | |
2480 | pause_enabled = 1; | |
2481 | ||
2482 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
2483 | USTORM_ETH_PAUSE_ENABLED_OFFSET(port), | |
2484 | pause_enabled); | |
2485 | } | |
2486 | ||
2487 | if (bp->link_vars.mac_type == MAC_TYPE_BMAC) { | |
2488 | struct host_port_stats *pstats; | |
2489 | ||
2490 | pstats = bnx2x_sp(bp, port_stats); | |
2491 | /* reset old bmac stats */ | |
2492 | memset(&(pstats->mac_stx[0]), 0, | |
2493 | sizeof(struct mac_stx)); | |
2494 | } | |
2495 | if (bp->state == BNX2X_STATE_OPEN) | |
2496 | bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); | |
2497 | } | |
2498 | ||
2499 | /* indicate link status only if link status actually changed */ | |
2500 | if (prev_link_status != bp->link_vars.link_status) | |
2501 | bnx2x_link_report(bp); | |
2502 | ||
2503 | if (IS_E1HMF(bp)) { | |
2504 | int port = BP_PORT(bp); | |
2505 | int func; | |
2506 | int vn; | |
2507 | ||
2508 | /* Set the attention towards other drivers on the same port */ | |
2509 | for (vn = VN_0; vn < E1HVN_MAX; vn++) { | |
2510 | if (vn == BP_E1HVN(bp)) | |
2511 | continue; | |
2512 | ||
2513 | func = ((vn << 1) | port); | |
2514 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 + | |
2515 | (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1); | |
2516 | } | |
2517 | ||
2518 | if (bp->link_vars.link_up) { | |
2519 | int i; | |
2520 | ||
2521 | /* Init rate shaping and fairness contexts */ | |
2522 | bnx2x_init_port_minmax(bp); | |
2523 | ||
2524 | for (vn = VN_0; vn < E1HVN_MAX; vn++) | |
2525 | bnx2x_init_vn_minmax(bp, 2*vn + port); | |
2526 | ||
2527 | /* Store it to internal memory */ | |
2528 | for (i = 0; | |
2529 | i < sizeof(struct cmng_struct_per_port) / 4; i++) | |
2530 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
2531 | XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i*4, | |
2532 | ((u32 *)(&bp->cmng))[i]); | |
2533 | } | |
2534 | } | |
2535 | } | |
2536 | ||
2537 | static void bnx2x__link_status_update(struct bnx2x *bp) | |
2538 | { | |
2539 | if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS)) | |
2540 | return; | |
2541 | ||
2542 | bnx2x_link_status_update(&bp->link_params, &bp->link_vars); | |
2543 | ||
2544 | if (bp->link_vars.link_up) | |
2545 | bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); | |
2546 | else | |
2547 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
2548 | ||
2549 | bnx2x_calc_vn_weight_sum(bp); | |
2550 | ||
2551 | /* indicate link status */ | |
2552 | bnx2x_link_report(bp); | |
2553 | } | |
2554 | ||
2555 | static void bnx2x_pmf_update(struct bnx2x *bp) | |
2556 | { | |
2557 | int port = BP_PORT(bp); | |
2558 | u32 val; | |
2559 | ||
2560 | bp->port.pmf = 1; | |
2561 | DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); | |
2562 | ||
2563 | /* enable nig attention */ | |
2564 | val = (0xff0f | (1 << (BP_E1HVN(bp) + 4))); | |
2565 | REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val); | |
2566 | REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val); | |
2567 | ||
2568 | bnx2x_stats_handle(bp, STATS_EVENT_PMF); | |
2569 | } | |
2570 | ||
2571 | /* end of Link */ | |
2572 | ||
2573 | /* slow path */ | |
2574 | ||
2575 | /* | |
2576 | * General service functions | |
2577 | */ | |
2578 | ||
2579 | /* send the MCP a request, block until there is a reply */ | |
2580 | u32 bnx2x_fw_command(struct bnx2x *bp, u32 command) | |
2581 | { | |
2582 | int func = BP_FUNC(bp); | |
2583 | u32 seq = ++bp->fw_seq; | |
2584 | u32 rc = 0; | |
2585 | u32 cnt = 1; | |
2586 | u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10; | |
2587 | ||
2588 | mutex_lock(&bp->fw_mb_mutex); | |
2589 | SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq)); | |
2590 | DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq)); | |
2591 | ||
2592 | do { | |
2593 | /* let the FW do it's magic ... */ | |
2594 | msleep(delay); | |
2595 | ||
2596 | rc = SHMEM_RD(bp, func_mb[func].fw_mb_header); | |
2597 | ||
2598 | /* Give the FW up to 5 second (500*10ms) */ | |
2599 | } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500)); | |
2600 | ||
2601 | DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n", | |
2602 | cnt*delay, rc, seq); | |
2603 | ||
2604 | /* is this a reply to our command? */ | |
2605 | if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) | |
2606 | rc &= FW_MSG_CODE_MASK; | |
2607 | else { | |
2608 | /* FW BUG! */ | |
2609 | BNX2X_ERR("FW failed to respond!\n"); | |
2610 | bnx2x_fw_dump(bp); | |
2611 | rc = 0; | |
2612 | } | |
2613 | mutex_unlock(&bp->fw_mb_mutex); | |
2614 | ||
2615 | return rc; | |
2616 | } | |
2617 | ||
2618 | static void bnx2x_set_eth_mac_addr_e1h(struct bnx2x *bp, int set); | |
2619 | static void bnx2x_set_rx_mode(struct net_device *dev); | |
2620 | ||
2621 | static void bnx2x_e1h_disable(struct bnx2x *bp) | |
2622 | { | |
2623 | int port = BP_PORT(bp); | |
2624 | ||
2625 | netif_tx_disable(bp->dev); | |
2626 | ||
2627 | REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0); | |
2628 | ||
2629 | netif_carrier_off(bp->dev); | |
2630 | } | |
2631 | ||
2632 | static void bnx2x_e1h_enable(struct bnx2x *bp) | |
2633 | { | |
2634 | int port = BP_PORT(bp); | |
2635 | ||
2636 | REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1); | |
2637 | ||
2638 | /* Tx queue should be only reenabled */ | |
2639 | netif_tx_wake_all_queues(bp->dev); | |
2640 | ||
2641 | /* | |
2642 | * Should not call netif_carrier_on since it will be called if the link | |
2643 | * is up when checking for link state | |
2644 | */ | |
2645 | } | |
2646 | ||
2647 | static void bnx2x_update_min_max(struct bnx2x *bp) | |
2648 | { | |
2649 | int port = BP_PORT(bp); | |
2650 | int vn, i; | |
2651 | ||
2652 | /* Init rate shaping and fairness contexts */ | |
2653 | bnx2x_init_port_minmax(bp); | |
2654 | ||
2655 | bnx2x_calc_vn_weight_sum(bp); | |
2656 | ||
2657 | for (vn = VN_0; vn < E1HVN_MAX; vn++) | |
2658 | bnx2x_init_vn_minmax(bp, 2*vn + port); | |
2659 | ||
2660 | if (bp->port.pmf) { | |
2661 | int func; | |
2662 | ||
2663 | /* Set the attention towards other drivers on the same port */ | |
2664 | for (vn = VN_0; vn < E1HVN_MAX; vn++) { | |
2665 | if (vn == BP_E1HVN(bp)) | |
2666 | continue; | |
2667 | ||
2668 | func = ((vn << 1) | port); | |
2669 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 + | |
2670 | (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1); | |
2671 | } | |
2672 | ||
2673 | /* Store it to internal memory */ | |
2674 | for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++) | |
2675 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
2676 | XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i*4, | |
2677 | ((u32 *)(&bp->cmng))[i]); | |
2678 | } | |
2679 | } | |
2680 | ||
2681 | static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event) | |
2682 | { | |
2683 | DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event); | |
2684 | ||
2685 | if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) { | |
2686 | ||
2687 | /* | |
2688 | * This is the only place besides the function initialization | |
2689 | * where the bp->flags can change so it is done without any | |
2690 | * locks | |
2691 | */ | |
2692 | if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) { | |
2693 | DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n"); | |
2694 | bp->flags |= MF_FUNC_DIS; | |
2695 | ||
2696 | bnx2x_e1h_disable(bp); | |
2697 | } else { | |
2698 | DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n"); | |
2699 | bp->flags &= ~MF_FUNC_DIS; | |
2700 | ||
2701 | bnx2x_e1h_enable(bp); | |
2702 | } | |
2703 | dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF; | |
2704 | } | |
2705 | if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) { | |
2706 | ||
2707 | bnx2x_update_min_max(bp); | |
2708 | dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION; | |
2709 | } | |
2710 | ||
2711 | /* Report results to MCP */ | |
2712 | if (dcc_event) | |
2713 | bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE); | |
2714 | else | |
2715 | bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK); | |
2716 | } | |
2717 | ||
2718 | /* must be called under the spq lock */ | |
2719 | static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp) | |
2720 | { | |
2721 | struct eth_spe *next_spe = bp->spq_prod_bd; | |
2722 | ||
2723 | if (bp->spq_prod_bd == bp->spq_last_bd) { | |
2724 | bp->spq_prod_bd = bp->spq; | |
2725 | bp->spq_prod_idx = 0; | |
2726 | DP(NETIF_MSG_TIMER, "end of spq\n"); | |
2727 | } else { | |
2728 | bp->spq_prod_bd++; | |
2729 | bp->spq_prod_idx++; | |
2730 | } | |
2731 | return next_spe; | |
2732 | } | |
2733 | ||
2734 | /* must be called under the spq lock */ | |
2735 | static inline void bnx2x_sp_prod_update(struct bnx2x *bp) | |
2736 | { | |
2737 | int func = BP_FUNC(bp); | |
2738 | ||
2739 | /* Make sure that BD data is updated before writing the producer */ | |
2740 | wmb(); | |
2741 | ||
2742 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func), | |
2743 | bp->spq_prod_idx); | |
2744 | mmiowb(); | |
2745 | } | |
2746 | ||
2747 | /* the slow path queue is odd since completions arrive on the fastpath ring */ | |
2748 | static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid, | |
2749 | u32 data_hi, u32 data_lo, int common) | |
2750 | { | |
2751 | struct eth_spe *spe; | |
2752 | ||
2753 | #ifdef BNX2X_STOP_ON_ERROR | |
2754 | if (unlikely(bp->panic)) | |
2755 | return -EIO; | |
2756 | #endif | |
2757 | ||
2758 | spin_lock_bh(&bp->spq_lock); | |
2759 | ||
2760 | if (!bp->spq_left) { | |
2761 | BNX2X_ERR("BUG! SPQ ring full!\n"); | |
2762 | spin_unlock_bh(&bp->spq_lock); | |
2763 | bnx2x_panic(); | |
2764 | return -EBUSY; | |
2765 | } | |
2766 | ||
2767 | spe = bnx2x_sp_get_next(bp); | |
2768 | ||
2769 | /* CID needs port number to be encoded int it */ | |
2770 | spe->hdr.conn_and_cmd_data = | |
2771 | cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) | | |
2772 | HW_CID(bp, cid)); | |
2773 | spe->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE); | |
2774 | if (common) | |
2775 | spe->hdr.type |= | |
2776 | cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT)); | |
2777 | ||
2778 | spe->data.mac_config_addr.hi = cpu_to_le32(data_hi); | |
2779 | spe->data.mac_config_addr.lo = cpu_to_le32(data_lo); | |
2780 | ||
2781 | bp->spq_left--; | |
2782 | ||
2783 | DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/, | |
2784 | "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n", | |
2785 | bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping), | |
2786 | (u32)(U64_LO(bp->spq_mapping) + | |
2787 | (void *)bp->spq_prod_bd - (void *)bp->spq), command, | |
2788 | HW_CID(bp, cid), data_hi, data_lo, bp->spq_left); | |
2789 | ||
2790 | bnx2x_sp_prod_update(bp); | |
2791 | spin_unlock_bh(&bp->spq_lock); | |
2792 | return 0; | |
2793 | } | |
2794 | ||
2795 | /* acquire split MCP access lock register */ | |
2796 | static int bnx2x_acquire_alr(struct bnx2x *bp) | |
2797 | { | |
2798 | u32 j, val; | |
2799 | int rc = 0; | |
2800 | ||
2801 | might_sleep(); | |
2802 | for (j = 0; j < 1000; j++) { | |
2803 | val = (1UL << 31); | |
2804 | REG_WR(bp, GRCBASE_MCP + 0x9c, val); | |
2805 | val = REG_RD(bp, GRCBASE_MCP + 0x9c); | |
2806 | if (val & (1L << 31)) | |
2807 | break; | |
2808 | ||
2809 | msleep(5); | |
2810 | } | |
2811 | if (!(val & (1L << 31))) { | |
2812 | BNX2X_ERR("Cannot acquire MCP access lock register\n"); | |
2813 | rc = -EBUSY; | |
2814 | } | |
2815 | ||
2816 | return rc; | |
2817 | } | |
2818 | ||
2819 | /* release split MCP access lock register */ | |
2820 | static void bnx2x_release_alr(struct bnx2x *bp) | |
2821 | { | |
2822 | REG_WR(bp, GRCBASE_MCP + 0x9c, 0); | |
2823 | } | |
2824 | ||
2825 | static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp) | |
2826 | { | |
2827 | struct host_def_status_block *def_sb = bp->def_status_blk; | |
2828 | u16 rc = 0; | |
2829 | ||
2830 | barrier(); /* status block is written to by the chip */ | |
2831 | if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) { | |
2832 | bp->def_att_idx = def_sb->atten_status_block.attn_bits_index; | |
2833 | rc |= 1; | |
2834 | } | |
2835 | if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) { | |
2836 | bp->def_c_idx = def_sb->c_def_status_block.status_block_index; | |
2837 | rc |= 2; | |
2838 | } | |
2839 | if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) { | |
2840 | bp->def_u_idx = def_sb->u_def_status_block.status_block_index; | |
2841 | rc |= 4; | |
2842 | } | |
2843 | if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) { | |
2844 | bp->def_x_idx = def_sb->x_def_status_block.status_block_index; | |
2845 | rc |= 8; | |
2846 | } | |
2847 | if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) { | |
2848 | bp->def_t_idx = def_sb->t_def_status_block.status_block_index; | |
2849 | rc |= 16; | |
2850 | } | |
2851 | return rc; | |
2852 | } | |
2853 | ||
2854 | /* | |
2855 | * slow path service functions | |
2856 | */ | |
2857 | ||
2858 | static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) | |
2859 | { | |
2860 | int port = BP_PORT(bp); | |
2861 | u32 hc_addr = (HC_REG_COMMAND_REG + port*32 + | |
2862 | COMMAND_REG_ATTN_BITS_SET); | |
2863 | u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
2864 | MISC_REG_AEU_MASK_ATTN_FUNC_0; | |
2865 | u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 : | |
2866 | NIG_REG_MASK_INTERRUPT_PORT0; | |
2867 | u32 aeu_mask; | |
2868 | u32 nig_mask = 0; | |
2869 | ||
2870 | if (bp->attn_state & asserted) | |
2871 | BNX2X_ERR("IGU ERROR\n"); | |
2872 | ||
2873 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); | |
2874 | aeu_mask = REG_RD(bp, aeu_addr); | |
2875 | ||
2876 | DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n", | |
2877 | aeu_mask, asserted); | |
2878 | aeu_mask &= ~(asserted & 0x3ff); | |
2879 | DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask); | |
2880 | ||
2881 | REG_WR(bp, aeu_addr, aeu_mask); | |
2882 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); | |
2883 | ||
2884 | DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state); | |
2885 | bp->attn_state |= asserted; | |
2886 | DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state); | |
2887 | ||
2888 | if (asserted & ATTN_HARD_WIRED_MASK) { | |
2889 | if (asserted & ATTN_NIG_FOR_FUNC) { | |
2890 | ||
2891 | bnx2x_acquire_phy_lock(bp); | |
2892 | ||
2893 | /* save nig interrupt mask */ | |
2894 | nig_mask = REG_RD(bp, nig_int_mask_addr); | |
2895 | REG_WR(bp, nig_int_mask_addr, 0); | |
2896 | ||
2897 | bnx2x_link_attn(bp); | |
2898 | ||
2899 | /* handle unicore attn? */ | |
2900 | } | |
2901 | if (asserted & ATTN_SW_TIMER_4_FUNC) | |
2902 | DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n"); | |
2903 | ||
2904 | if (asserted & GPIO_2_FUNC) | |
2905 | DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n"); | |
2906 | ||
2907 | if (asserted & GPIO_3_FUNC) | |
2908 | DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n"); | |
2909 | ||
2910 | if (asserted & GPIO_4_FUNC) | |
2911 | DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n"); | |
2912 | ||
2913 | if (port == 0) { | |
2914 | if (asserted & ATTN_GENERAL_ATTN_1) { | |
2915 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n"); | |
2916 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0); | |
2917 | } | |
2918 | if (asserted & ATTN_GENERAL_ATTN_2) { | |
2919 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n"); | |
2920 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0); | |
2921 | } | |
2922 | if (asserted & ATTN_GENERAL_ATTN_3) { | |
2923 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n"); | |
2924 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0); | |
2925 | } | |
2926 | } else { | |
2927 | if (asserted & ATTN_GENERAL_ATTN_4) { | |
2928 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n"); | |
2929 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0); | |
2930 | } | |
2931 | if (asserted & ATTN_GENERAL_ATTN_5) { | |
2932 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n"); | |
2933 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0); | |
2934 | } | |
2935 | if (asserted & ATTN_GENERAL_ATTN_6) { | |
2936 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n"); | |
2937 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0); | |
2938 | } | |
2939 | } | |
2940 | ||
2941 | } /* if hardwired */ | |
2942 | ||
2943 | DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n", | |
2944 | asserted, hc_addr); | |
2945 | REG_WR(bp, hc_addr, asserted); | |
2946 | ||
2947 | /* now set back the mask */ | |
2948 | if (asserted & ATTN_NIG_FOR_FUNC) { | |
2949 | REG_WR(bp, nig_int_mask_addr, nig_mask); | |
2950 | bnx2x_release_phy_lock(bp); | |
2951 | } | |
2952 | } | |
2953 | ||
2954 | static inline void bnx2x_fan_failure(struct bnx2x *bp) | |
2955 | { | |
2956 | int port = BP_PORT(bp); | |
2957 | ||
2958 | /* mark the failure */ | |
2959 | bp->link_params.ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK; | |
2960 | bp->link_params.ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE; | |
2961 | SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config, | |
2962 | bp->link_params.ext_phy_config); | |
2963 | ||
2964 | /* log the failure */ | |
2965 | netdev_err(bp->dev, "Fan Failure on Network Controller has caused" | |
2966 | " the driver to shutdown the card to prevent permanent" | |
2967 | " damage. Please contact OEM Support for assistance\n"); | |
2968 | } | |
2969 | ||
2970 | static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn) | |
2971 | { | |
2972 | int port = BP_PORT(bp); | |
2973 | int reg_offset; | |
2974 | u32 val, swap_val, swap_override; | |
2975 | ||
2976 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : | |
2977 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); | |
2978 | ||
2979 | if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) { | |
2980 | ||
2981 | val = REG_RD(bp, reg_offset); | |
2982 | val &= ~AEU_INPUTS_ATTN_BITS_SPIO5; | |
2983 | REG_WR(bp, reg_offset, val); | |
2984 | ||
2985 | BNX2X_ERR("SPIO5 hw attention\n"); | |
2986 | ||
2987 | /* Fan failure attention */ | |
2988 | switch (XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config)) { | |
2989 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
2990 | /* Low power mode is controlled by GPIO 2 */ | |
2991 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
2992 | MISC_REGISTERS_GPIO_OUTPUT_LOW, port); | |
2993 | /* The PHY reset is controlled by GPIO 1 */ | |
2994 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
2995 | MISC_REGISTERS_GPIO_OUTPUT_LOW, port); | |
2996 | break; | |
2997 | ||
2998 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: | |
2999 | /* The PHY reset is controlled by GPIO 1 */ | |
3000 | /* fake the port number to cancel the swap done in | |
3001 | set_gpio() */ | |
3002 | swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); | |
3003 | swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); | |
3004 | port = (swap_val && swap_override) ^ 1; | |
3005 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
3006 | MISC_REGISTERS_GPIO_OUTPUT_LOW, port); | |
3007 | break; | |
3008 | ||
3009 | default: | |
3010 | break; | |
3011 | } | |
3012 | bnx2x_fan_failure(bp); | |
3013 | } | |
3014 | ||
3015 | if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 | | |
3016 | AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) { | |
3017 | bnx2x_acquire_phy_lock(bp); | |
3018 | bnx2x_handle_module_detect_int(&bp->link_params); | |
3019 | bnx2x_release_phy_lock(bp); | |
3020 | } | |
3021 | ||
3022 | if (attn & HW_INTERRUT_ASSERT_SET_0) { | |
3023 | ||
3024 | val = REG_RD(bp, reg_offset); | |
3025 | val &= ~(attn & HW_INTERRUT_ASSERT_SET_0); | |
3026 | REG_WR(bp, reg_offset, val); | |
3027 | ||
3028 | BNX2X_ERR("FATAL HW block attention set0 0x%x\n", | |
3029 | (u32)(attn & HW_INTERRUT_ASSERT_SET_0)); | |
3030 | bnx2x_panic(); | |
3031 | } | |
3032 | } | |
3033 | ||
3034 | static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn) | |
3035 | { | |
3036 | u32 val; | |
3037 | ||
3038 | if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) { | |
3039 | ||
3040 | val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR); | |
3041 | BNX2X_ERR("DB hw attention 0x%x\n", val); | |
3042 | /* DORQ discard attention */ | |
3043 | if (val & 0x2) | |
3044 | BNX2X_ERR("FATAL error from DORQ\n"); | |
3045 | } | |
3046 | ||
3047 | if (attn & HW_INTERRUT_ASSERT_SET_1) { | |
3048 | ||
3049 | int port = BP_PORT(bp); | |
3050 | int reg_offset; | |
3051 | ||
3052 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 : | |
3053 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1); | |
3054 | ||
3055 | val = REG_RD(bp, reg_offset); | |
3056 | val &= ~(attn & HW_INTERRUT_ASSERT_SET_1); | |
3057 | REG_WR(bp, reg_offset, val); | |
3058 | ||
3059 | BNX2X_ERR("FATAL HW block attention set1 0x%x\n", | |
3060 | (u32)(attn & HW_INTERRUT_ASSERT_SET_1)); | |
3061 | bnx2x_panic(); | |
3062 | } | |
3063 | } | |
3064 | ||
3065 | static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn) | |
3066 | { | |
3067 | u32 val; | |
3068 | ||
3069 | if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) { | |
3070 | ||
3071 | val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR); | |
3072 | BNX2X_ERR("CFC hw attention 0x%x\n", val); | |
3073 | /* CFC error attention */ | |
3074 | if (val & 0x2) | |
3075 | BNX2X_ERR("FATAL error from CFC\n"); | |
3076 | } | |
3077 | ||
3078 | if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) { | |
3079 | ||
3080 | val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0); | |
3081 | BNX2X_ERR("PXP hw attention 0x%x\n", val); | |
3082 | /* RQ_USDMDP_FIFO_OVERFLOW */ | |
3083 | if (val & 0x18000) | |
3084 | BNX2X_ERR("FATAL error from PXP\n"); | |
3085 | } | |
3086 | ||
3087 | if (attn & HW_INTERRUT_ASSERT_SET_2) { | |
3088 | ||
3089 | int port = BP_PORT(bp); | |
3090 | int reg_offset; | |
3091 | ||
3092 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 : | |
3093 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2); | |
3094 | ||
3095 | val = REG_RD(bp, reg_offset); | |
3096 | val &= ~(attn & HW_INTERRUT_ASSERT_SET_2); | |
3097 | REG_WR(bp, reg_offset, val); | |
3098 | ||
3099 | BNX2X_ERR("FATAL HW block attention set2 0x%x\n", | |
3100 | (u32)(attn & HW_INTERRUT_ASSERT_SET_2)); | |
3101 | bnx2x_panic(); | |
3102 | } | |
3103 | } | |
3104 | ||
3105 | static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn) | |
3106 | { | |
3107 | u32 val; | |
3108 | ||
3109 | if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) { | |
3110 | ||
3111 | if (attn & BNX2X_PMF_LINK_ASSERT) { | |
3112 | int func = BP_FUNC(bp); | |
3113 | ||
3114 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0); | |
3115 | bp->mf_config = SHMEM_RD(bp, | |
3116 | mf_cfg.func_mf_config[func].config); | |
3117 | val = SHMEM_RD(bp, func_mb[func].drv_status); | |
3118 | if (val & DRV_STATUS_DCC_EVENT_MASK) | |
3119 | bnx2x_dcc_event(bp, | |
3120 | (val & DRV_STATUS_DCC_EVENT_MASK)); | |
3121 | bnx2x__link_status_update(bp); | |
3122 | if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF)) | |
3123 | bnx2x_pmf_update(bp); | |
3124 | ||
3125 | } else if (attn & BNX2X_MC_ASSERT_BITS) { | |
3126 | ||
3127 | BNX2X_ERR("MC assert!\n"); | |
3128 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0); | |
3129 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0); | |
3130 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0); | |
3131 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0); | |
3132 | bnx2x_panic(); | |
3133 | ||
3134 | } else if (attn & BNX2X_MCP_ASSERT) { | |
3135 | ||
3136 | BNX2X_ERR("MCP assert!\n"); | |
3137 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0); | |
3138 | bnx2x_fw_dump(bp); | |
3139 | ||
3140 | } else | |
3141 | BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn); | |
3142 | } | |
3143 | ||
3144 | if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) { | |
3145 | BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn); | |
3146 | if (attn & BNX2X_GRC_TIMEOUT) { | |
3147 | val = CHIP_IS_E1H(bp) ? | |
3148 | REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0; | |
3149 | BNX2X_ERR("GRC time-out 0x%08x\n", val); | |
3150 | } | |
3151 | if (attn & BNX2X_GRC_RSV) { | |
3152 | val = CHIP_IS_E1H(bp) ? | |
3153 | REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0; | |
3154 | BNX2X_ERR("GRC reserved 0x%08x\n", val); | |
3155 | } | |
3156 | REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff); | |
3157 | } | |
3158 | } | |
3159 | ||
3160 | static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode); | |
3161 | static int bnx2x_nic_load(struct bnx2x *bp, int load_mode); | |
3162 | ||
3163 | ||
3164 | #define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1 | |
3165 | #define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */ | |
3166 | #define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1) | |
3167 | #define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK) | |
3168 | #define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS | |
3169 | #define CHIP_PARITY_SUPPORTED(bp) (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) | |
3170 | /* | |
3171 | * should be run under rtnl lock | |
3172 | */ | |
3173 | static inline void bnx2x_set_reset_done(struct bnx2x *bp) | |
3174 | { | |
3175 | u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG); | |
3176 | val &= ~(1 << RESET_DONE_FLAG_SHIFT); | |
3177 | REG_WR(bp, BNX2X_MISC_GEN_REG, val); | |
3178 | barrier(); | |
3179 | mmiowb(); | |
3180 | } | |
3181 | ||
3182 | /* | |
3183 | * should be run under rtnl lock | |
3184 | */ | |
3185 | static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp) | |
3186 | { | |
3187 | u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG); | |
3188 | val |= (1 << 16); | |
3189 | REG_WR(bp, BNX2X_MISC_GEN_REG, val); | |
3190 | barrier(); | |
3191 | mmiowb(); | |
3192 | } | |
3193 | ||
3194 | /* | |
3195 | * should be run under rtnl lock | |
3196 | */ | |
3197 | static inline bool bnx2x_reset_is_done(struct bnx2x *bp) | |
3198 | { | |
3199 | u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG); | |
3200 | DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val); | |
3201 | return (val & RESET_DONE_FLAG_MASK) ? false : true; | |
3202 | } | |
3203 | ||
3204 | /* | |
3205 | * should be run under rtnl lock | |
3206 | */ | |
3207 | static inline void bnx2x_inc_load_cnt(struct bnx2x *bp) | |
3208 | { | |
3209 | u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG); | |
3210 | ||
3211 | DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val); | |
3212 | ||
3213 | val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK; | |
3214 | REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1); | |
3215 | barrier(); | |
3216 | mmiowb(); | |
3217 | } | |
3218 | ||
3219 | /* | |
3220 | * should be run under rtnl lock | |
3221 | */ | |
3222 | static inline u32 bnx2x_dec_load_cnt(struct bnx2x *bp) | |
3223 | { | |
3224 | u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG); | |
3225 | ||
3226 | DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val); | |
3227 | ||
3228 | val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK; | |
3229 | REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1); | |
3230 | barrier(); | |
3231 | mmiowb(); | |
3232 | ||
3233 | return val1; | |
3234 | } | |
3235 | ||
3236 | /* | |
3237 | * should be run under rtnl lock | |
3238 | */ | |
3239 | static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp) | |
3240 | { | |
3241 | return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK; | |
3242 | } | |
3243 | ||
3244 | static inline void bnx2x_clear_load_cnt(struct bnx2x *bp) | |
3245 | { | |
3246 | u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG); | |
3247 | REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK)); | |
3248 | } | |
3249 | ||
3250 | static inline void _print_next_block(int idx, const char *blk) | |
3251 | { | |
3252 | if (idx) | |
3253 | pr_cont(", "); | |
3254 | pr_cont("%s", blk); | |
3255 | } | |
3256 | ||
3257 | static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num) | |
3258 | { | |
3259 | int i = 0; | |
3260 | u32 cur_bit = 0; | |
3261 | for (i = 0; sig; i++) { | |
3262 | cur_bit = ((u32)0x1 << i); | |
3263 | if (sig & cur_bit) { | |
3264 | switch (cur_bit) { | |
3265 | case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR: | |
3266 | _print_next_block(par_num++, "BRB"); | |
3267 | break; | |
3268 | case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR: | |
3269 | _print_next_block(par_num++, "PARSER"); | |
3270 | break; | |
3271 | case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR: | |
3272 | _print_next_block(par_num++, "TSDM"); | |
3273 | break; | |
3274 | case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR: | |
3275 | _print_next_block(par_num++, "SEARCHER"); | |
3276 | break; | |
3277 | case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR: | |
3278 | _print_next_block(par_num++, "TSEMI"); | |
3279 | break; | |
3280 | } | |
3281 | ||
3282 | /* Clear the bit */ | |
3283 | sig &= ~cur_bit; | |
3284 | } | |
3285 | } | |
3286 | ||
3287 | return par_num; | |
3288 | } | |
3289 | ||
3290 | static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num) | |
3291 | { | |
3292 | int i = 0; | |
3293 | u32 cur_bit = 0; | |
3294 | for (i = 0; sig; i++) { | |
3295 | cur_bit = ((u32)0x1 << i); | |
3296 | if (sig & cur_bit) { | |
3297 | switch (cur_bit) { | |
3298 | case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR: | |
3299 | _print_next_block(par_num++, "PBCLIENT"); | |
3300 | break; | |
3301 | case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR: | |
3302 | _print_next_block(par_num++, "QM"); | |
3303 | break; | |
3304 | case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR: | |
3305 | _print_next_block(par_num++, "XSDM"); | |
3306 | break; | |
3307 | case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR: | |
3308 | _print_next_block(par_num++, "XSEMI"); | |
3309 | break; | |
3310 | case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR: | |
3311 | _print_next_block(par_num++, "DOORBELLQ"); | |
3312 | break; | |
3313 | case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR: | |
3314 | _print_next_block(par_num++, "VAUX PCI CORE"); | |
3315 | break; | |
3316 | case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR: | |
3317 | _print_next_block(par_num++, "DEBUG"); | |
3318 | break; | |
3319 | case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR: | |
3320 | _print_next_block(par_num++, "USDM"); | |
3321 | break; | |
3322 | case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR: | |
3323 | _print_next_block(par_num++, "USEMI"); | |
3324 | break; | |
3325 | case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR: | |
3326 | _print_next_block(par_num++, "UPB"); | |
3327 | break; | |
3328 | case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR: | |
3329 | _print_next_block(par_num++, "CSDM"); | |
3330 | break; | |
3331 | } | |
3332 | ||
3333 | /* Clear the bit */ | |
3334 | sig &= ~cur_bit; | |
3335 | } | |
3336 | } | |
3337 | ||
3338 | return par_num; | |
3339 | } | |
3340 | ||
3341 | static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num) | |
3342 | { | |
3343 | int i = 0; | |
3344 | u32 cur_bit = 0; | |
3345 | for (i = 0; sig; i++) { | |
3346 | cur_bit = ((u32)0x1 << i); | |
3347 | if (sig & cur_bit) { | |
3348 | switch (cur_bit) { | |
3349 | case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR: | |
3350 | _print_next_block(par_num++, "CSEMI"); | |
3351 | break; | |
3352 | case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR: | |
3353 | _print_next_block(par_num++, "PXP"); | |
3354 | break; | |
3355 | case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR: | |
3356 | _print_next_block(par_num++, | |
3357 | "PXPPCICLOCKCLIENT"); | |
3358 | break; | |
3359 | case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR: | |
3360 | _print_next_block(par_num++, "CFC"); | |
3361 | break; | |
3362 | case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR: | |
3363 | _print_next_block(par_num++, "CDU"); | |
3364 | break; | |
3365 | case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR: | |
3366 | _print_next_block(par_num++, "IGU"); | |
3367 | break; | |
3368 | case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR: | |
3369 | _print_next_block(par_num++, "MISC"); | |
3370 | break; | |
3371 | } | |
3372 | ||
3373 | /* Clear the bit */ | |
3374 | sig &= ~cur_bit; | |
3375 | } | |
3376 | } | |
3377 | ||
3378 | return par_num; | |
3379 | } | |
3380 | ||
3381 | static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num) | |
3382 | { | |
3383 | int i = 0; | |
3384 | u32 cur_bit = 0; | |
3385 | for (i = 0; sig; i++) { | |
3386 | cur_bit = ((u32)0x1 << i); | |
3387 | if (sig & cur_bit) { | |
3388 | switch (cur_bit) { | |
3389 | case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY: | |
3390 | _print_next_block(par_num++, "MCP ROM"); | |
3391 | break; | |
3392 | case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY: | |
3393 | _print_next_block(par_num++, "MCP UMP RX"); | |
3394 | break; | |
3395 | case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY: | |
3396 | _print_next_block(par_num++, "MCP UMP TX"); | |
3397 | break; | |
3398 | case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY: | |
3399 | _print_next_block(par_num++, "MCP SCPAD"); | |
3400 | break; | |
3401 | } | |
3402 | ||
3403 | /* Clear the bit */ | |
3404 | sig &= ~cur_bit; | |
3405 | } | |
3406 | } | |
3407 | ||
3408 | return par_num; | |
3409 | } | |
3410 | ||
3411 | static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1, | |
3412 | u32 sig2, u32 sig3) | |
3413 | { | |
3414 | if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) || | |
3415 | (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) { | |
3416 | int par_num = 0; | |
3417 | DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: " | |
3418 | "[0]:0x%08x [1]:0x%08x " | |
3419 | "[2]:0x%08x [3]:0x%08x\n", | |
3420 | sig0 & HW_PRTY_ASSERT_SET_0, | |
3421 | sig1 & HW_PRTY_ASSERT_SET_1, | |
3422 | sig2 & HW_PRTY_ASSERT_SET_2, | |
3423 | sig3 & HW_PRTY_ASSERT_SET_3); | |
3424 | printk(KERN_ERR"%s: Parity errors detected in blocks: ", | |
3425 | bp->dev->name); | |
3426 | par_num = bnx2x_print_blocks_with_parity0( | |
3427 | sig0 & HW_PRTY_ASSERT_SET_0, par_num); | |
3428 | par_num = bnx2x_print_blocks_with_parity1( | |
3429 | sig1 & HW_PRTY_ASSERT_SET_1, par_num); | |
3430 | par_num = bnx2x_print_blocks_with_parity2( | |
3431 | sig2 & HW_PRTY_ASSERT_SET_2, par_num); | |
3432 | par_num = bnx2x_print_blocks_with_parity3( | |
3433 | sig3 & HW_PRTY_ASSERT_SET_3, par_num); | |
3434 | printk("\n"); | |
3435 | return true; | |
3436 | } else | |
3437 | return false; | |
3438 | } | |
3439 | ||
3440 | static bool bnx2x_chk_parity_attn(struct bnx2x *bp) | |
3441 | { | |
3442 | struct attn_route attn; | |
3443 | int port = BP_PORT(bp); | |
3444 | ||
3445 | attn.sig[0] = REG_RD(bp, | |
3446 | MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + | |
3447 | port*4); | |
3448 | attn.sig[1] = REG_RD(bp, | |
3449 | MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + | |
3450 | port*4); | |
3451 | attn.sig[2] = REG_RD(bp, | |
3452 | MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + | |
3453 | port*4); | |
3454 | attn.sig[3] = REG_RD(bp, | |
3455 | MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + | |
3456 | port*4); | |
3457 | ||
3458 | return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2], | |
3459 | attn.sig[3]); | |
3460 | } | |
3461 | ||
3462 | static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) | |
3463 | { | |
3464 | struct attn_route attn, *group_mask; | |
3465 | int port = BP_PORT(bp); | |
3466 | int index; | |
3467 | u32 reg_addr; | |
3468 | u32 val; | |
3469 | u32 aeu_mask; | |
3470 | ||
3471 | /* need to take HW lock because MCP or other port might also | |
3472 | try to handle this event */ | |
3473 | bnx2x_acquire_alr(bp); | |
3474 | ||
3475 | if (bnx2x_chk_parity_attn(bp)) { | |
3476 | bp->recovery_state = BNX2X_RECOVERY_INIT; | |
3477 | bnx2x_set_reset_in_progress(bp); | |
3478 | schedule_delayed_work(&bp->reset_task, 0); | |
3479 | /* Disable HW interrupts */ | |
3480 | bnx2x_int_disable(bp); | |
3481 | bnx2x_release_alr(bp); | |
3482 | /* In case of parity errors don't handle attentions so that | |
3483 | * other function would "see" parity errors. | |
3484 | */ | |
3485 | return; | |
3486 | } | |
3487 | ||
3488 | attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4); | |
3489 | attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4); | |
3490 | attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4); | |
3491 | attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4); | |
3492 | DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n", | |
3493 | attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]); | |
3494 | ||
3495 | for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { | |
3496 | if (deasserted & (1 << index)) { | |
3497 | group_mask = &bp->attn_group[index]; | |
3498 | ||
3499 | DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n", | |
3500 | index, group_mask->sig[0], group_mask->sig[1], | |
3501 | group_mask->sig[2], group_mask->sig[3]); | |
3502 | ||
3503 | bnx2x_attn_int_deasserted3(bp, | |
3504 | attn.sig[3] & group_mask->sig[3]); | |
3505 | bnx2x_attn_int_deasserted1(bp, | |
3506 | attn.sig[1] & group_mask->sig[1]); | |
3507 | bnx2x_attn_int_deasserted2(bp, | |
3508 | attn.sig[2] & group_mask->sig[2]); | |
3509 | bnx2x_attn_int_deasserted0(bp, | |
3510 | attn.sig[0] & group_mask->sig[0]); | |
3511 | } | |
3512 | } | |
3513 | ||
3514 | bnx2x_release_alr(bp); | |
3515 | ||
3516 | reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR); | |
3517 | ||
3518 | val = ~deasserted; | |
3519 | DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n", | |
3520 | val, reg_addr); | |
3521 | REG_WR(bp, reg_addr, val); | |
3522 | ||
3523 | if (~bp->attn_state & deasserted) | |
3524 | BNX2X_ERR("IGU ERROR\n"); | |
3525 | ||
3526 | reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
3527 | MISC_REG_AEU_MASK_ATTN_FUNC_0; | |
3528 | ||
3529 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); | |
3530 | aeu_mask = REG_RD(bp, reg_addr); | |
3531 | ||
3532 | DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n", | |
3533 | aeu_mask, deasserted); | |
3534 | aeu_mask |= (deasserted & 0x3ff); | |
3535 | DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask); | |
3536 | ||
3537 | REG_WR(bp, reg_addr, aeu_mask); | |
3538 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); | |
3539 | ||
3540 | DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state); | |
3541 | bp->attn_state &= ~deasserted; | |
3542 | DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state); | |
3543 | } | |
3544 | ||
3545 | static void bnx2x_attn_int(struct bnx2x *bp) | |
3546 | { | |
3547 | /* read local copy of bits */ | |
3548 | u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block. | |
3549 | attn_bits); | |
3550 | u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block. | |
3551 | attn_bits_ack); | |
3552 | u32 attn_state = bp->attn_state; | |
3553 | ||
3554 | /* look for changed bits */ | |
3555 | u32 asserted = attn_bits & ~attn_ack & ~attn_state; | |
3556 | u32 deasserted = ~attn_bits & attn_ack & attn_state; | |
3557 | ||
3558 | DP(NETIF_MSG_HW, | |
3559 | "attn_bits %x attn_ack %x asserted %x deasserted %x\n", | |
3560 | attn_bits, attn_ack, asserted, deasserted); | |
3561 | ||
3562 | if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state)) | |
3563 | BNX2X_ERR("BAD attention state\n"); | |
3564 | ||
3565 | /* handle bits that were raised */ | |
3566 | if (asserted) | |
3567 | bnx2x_attn_int_asserted(bp, asserted); | |
3568 | ||
3569 | if (deasserted) | |
3570 | bnx2x_attn_int_deasserted(bp, deasserted); | |
3571 | } | |
3572 | ||
3573 | static void bnx2x_sp_task(struct work_struct *work) | |
3574 | { | |
3575 | struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work); | |
3576 | u16 status; | |
3577 | ||
3578 | /* Return here if interrupt is disabled */ | |
3579 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
3580 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
3581 | return; | |
3582 | } | |
3583 | ||
3584 | status = bnx2x_update_dsb_idx(bp); | |
3585 | /* if (status == 0) */ | |
3586 | /* BNX2X_ERR("spurious slowpath interrupt!\n"); */ | |
3587 | ||
3588 | DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status); | |
3589 | ||
3590 | /* HW attentions */ | |
3591 | if (status & 0x1) { | |
3592 | bnx2x_attn_int(bp); | |
3593 | status &= ~0x1; | |
3594 | } | |
3595 | ||
3596 | /* CStorm events: STAT_QUERY */ | |
3597 | if (status & 0x2) { | |
3598 | DP(BNX2X_MSG_SP, "CStorm events: STAT_QUERY\n"); | |
3599 | status &= ~0x2; | |
3600 | } | |
3601 | ||
3602 | if (unlikely(status)) | |
3603 | DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n", | |
3604 | status); | |
3605 | ||
3606 | bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, le16_to_cpu(bp->def_att_idx), | |
3607 | IGU_INT_NOP, 1); | |
3608 | bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx), | |
3609 | IGU_INT_NOP, 1); | |
3610 | bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx), | |
3611 | IGU_INT_NOP, 1); | |
3612 | bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx), | |
3613 | IGU_INT_NOP, 1); | |
3614 | bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx), | |
3615 | IGU_INT_ENABLE, 1); | |
3616 | } | |
3617 | ||
3618 | static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance) | |
3619 | { | |
3620 | struct net_device *dev = dev_instance; | |
3621 | struct bnx2x *bp = netdev_priv(dev); | |
3622 | ||
3623 | /* Return here if interrupt is disabled */ | |
3624 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
3625 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
3626 | return IRQ_HANDLED; | |
3627 | } | |
3628 | ||
3629 | bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, 0, IGU_INT_DISABLE, 0); | |
3630 | ||
3631 | #ifdef BNX2X_STOP_ON_ERROR | |
3632 | if (unlikely(bp->panic)) | |
3633 | return IRQ_HANDLED; | |
3634 | #endif | |
3635 | ||
3636 | #ifdef BCM_CNIC | |
3637 | { | |
3638 | struct cnic_ops *c_ops; | |
3639 | ||
3640 | rcu_read_lock(); | |
3641 | c_ops = rcu_dereference(bp->cnic_ops); | |
3642 | if (c_ops) | |
3643 | c_ops->cnic_handler(bp->cnic_data, NULL); | |
3644 | rcu_read_unlock(); | |
3645 | } | |
3646 | #endif | |
3647 | queue_delayed_work(bnx2x_wq, &bp->sp_task, 0); | |
3648 | ||
3649 | return IRQ_HANDLED; | |
3650 | } | |
3651 | ||
3652 | /* end of slow path */ | |
3653 | ||
3654 | /* Statistics */ | |
3655 | ||
3656 | /**************************************************************************** | |
3657 | * Macros | |
3658 | ****************************************************************************/ | |
3659 | ||
3660 | /* sum[hi:lo] += add[hi:lo] */ | |
3661 | #define ADD_64(s_hi, a_hi, s_lo, a_lo) \ | |
3662 | do { \ | |
3663 | s_lo += a_lo; \ | |
3664 | s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \ | |
3665 | } while (0) | |
3666 | ||
3667 | /* difference = minuend - subtrahend */ | |
3668 | #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \ | |
3669 | do { \ | |
3670 | if (m_lo < s_lo) { \ | |
3671 | /* underflow */ \ | |
3672 | d_hi = m_hi - s_hi; \ | |
3673 | if (d_hi > 0) { \ | |
3674 | /* we can 'loan' 1 */ \ | |
3675 | d_hi--; \ | |
3676 | d_lo = m_lo + (UINT_MAX - s_lo) + 1; \ | |
3677 | } else { \ | |
3678 | /* m_hi <= s_hi */ \ | |
3679 | d_hi = 0; \ | |
3680 | d_lo = 0; \ | |
3681 | } \ | |
3682 | } else { \ | |
3683 | /* m_lo >= s_lo */ \ | |
3684 | if (m_hi < s_hi) { \ | |
3685 | d_hi = 0; \ | |
3686 | d_lo = 0; \ | |
3687 | } else { \ | |
3688 | /* m_hi >= s_hi */ \ | |
3689 | d_hi = m_hi - s_hi; \ | |
3690 | d_lo = m_lo - s_lo; \ | |
3691 | } \ | |
3692 | } \ | |
3693 | } while (0) | |
3694 | ||
3695 | #define UPDATE_STAT64(s, t) \ | |
3696 | do { \ | |
3697 | DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \ | |
3698 | diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \ | |
3699 | pstats->mac_stx[0].t##_hi = new->s##_hi; \ | |
3700 | pstats->mac_stx[0].t##_lo = new->s##_lo; \ | |
3701 | ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \ | |
3702 | pstats->mac_stx[1].t##_lo, diff.lo); \ | |
3703 | } while (0) | |
3704 | ||
3705 | #define UPDATE_STAT64_NIG(s, t) \ | |
3706 | do { \ | |
3707 | DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \ | |
3708 | diff.lo, new->s##_lo, old->s##_lo); \ | |
3709 | ADD_64(estats->t##_hi, diff.hi, \ | |
3710 | estats->t##_lo, diff.lo); \ | |
3711 | } while (0) | |
3712 | ||
3713 | /* sum[hi:lo] += add */ | |
3714 | #define ADD_EXTEND_64(s_hi, s_lo, a) \ | |
3715 | do { \ | |
3716 | s_lo += a; \ | |
3717 | s_hi += (s_lo < a) ? 1 : 0; \ | |
3718 | } while (0) | |
3719 | ||
3720 | #define UPDATE_EXTEND_STAT(s) \ | |
3721 | do { \ | |
3722 | ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \ | |
3723 | pstats->mac_stx[1].s##_lo, \ | |
3724 | new->s); \ | |
3725 | } while (0) | |
3726 | ||
3727 | #define UPDATE_EXTEND_TSTAT(s, t) \ | |
3728 | do { \ | |
3729 | diff = le32_to_cpu(tclient->s) - le32_to_cpu(old_tclient->s); \ | |
3730 | old_tclient->s = tclient->s; \ | |
3731 | ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \ | |
3732 | } while (0) | |
3733 | ||
3734 | #define UPDATE_EXTEND_USTAT(s, t) \ | |
3735 | do { \ | |
3736 | diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \ | |
3737 | old_uclient->s = uclient->s; \ | |
3738 | ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \ | |
3739 | } while (0) | |
3740 | ||
3741 | #define UPDATE_EXTEND_XSTAT(s, t) \ | |
3742 | do { \ | |
3743 | diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \ | |
3744 | old_xclient->s = xclient->s; \ | |
3745 | ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \ | |
3746 | } while (0) | |
3747 | ||
3748 | /* minuend -= subtrahend */ | |
3749 | #define SUB_64(m_hi, s_hi, m_lo, s_lo) \ | |
3750 | do { \ | |
3751 | DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \ | |
3752 | } while (0) | |
3753 | ||
3754 | /* minuend[hi:lo] -= subtrahend */ | |
3755 | #define SUB_EXTEND_64(m_hi, m_lo, s) \ | |
3756 | do { \ | |
3757 | SUB_64(m_hi, 0, m_lo, s); \ | |
3758 | } while (0) | |
3759 | ||
3760 | #define SUB_EXTEND_USTAT(s, t) \ | |
3761 | do { \ | |
3762 | diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \ | |
3763 | SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \ | |
3764 | } while (0) | |
3765 | ||
3766 | /* | |
3767 | * General service functions | |
3768 | */ | |
3769 | ||
3770 | static inline long bnx2x_hilo(u32 *hiref) | |
3771 | { | |
3772 | u32 lo = *(hiref + 1); | |
3773 | #if (BITS_PER_LONG == 64) | |
3774 | u32 hi = *hiref; | |
3775 | ||
3776 | return HILO_U64(hi, lo); | |
3777 | #else | |
3778 | return lo; | |
3779 | #endif | |
3780 | } | |
3781 | ||
3782 | /* | |
3783 | * Init service functions | |
3784 | */ | |
3785 | ||
3786 | static void bnx2x_storm_stats_post(struct bnx2x *bp) | |
3787 | { | |
3788 | if (!bp->stats_pending) { | |
3789 | struct eth_query_ramrod_data ramrod_data = {0}; | |
3790 | int i, rc; | |
3791 | ||
3792 | ramrod_data.drv_counter = bp->stats_counter++; | |
3793 | ramrod_data.collect_port = bp->port.pmf ? 1 : 0; | |
3794 | for_each_queue(bp, i) | |
3795 | ramrod_data.ctr_id_vector |= (1 << bp->fp[i].cl_id); | |
3796 | ||
3797 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0, | |
3798 | ((u32 *)&ramrod_data)[1], | |
3799 | ((u32 *)&ramrod_data)[0], 0); | |
3800 | if (rc == 0) { | |
3801 | /* stats ramrod has it's own slot on the spq */ | |
3802 | bp->spq_left++; | |
3803 | bp->stats_pending = 1; | |
3804 | } | |
3805 | } | |
3806 | } | |
3807 | ||
3808 | static void bnx2x_hw_stats_post(struct bnx2x *bp) | |
3809 | { | |
3810 | struct dmae_command *dmae = &bp->stats_dmae; | |
3811 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3812 | ||
3813 | *stats_comp = DMAE_COMP_VAL; | |
3814 | if (CHIP_REV_IS_SLOW(bp)) | |
3815 | return; | |
3816 | ||
3817 | /* loader */ | |
3818 | if (bp->executer_idx) { | |
3819 | int loader_idx = PMF_DMAE_C(bp); | |
3820 | ||
3821 | memset(dmae, 0, sizeof(struct dmae_command)); | |
3822 | ||
3823 | dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
3824 | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | | |
3825 | DMAE_CMD_DST_RESET | | |
3826 | #ifdef __BIG_ENDIAN | |
3827 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3828 | #else | |
3829 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3830 | #endif | |
3831 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : | |
3832 | DMAE_CMD_PORT_0) | | |
3833 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
3834 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0])); | |
3835 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0])); | |
3836 | dmae->dst_addr_lo = (DMAE_REG_CMD_MEM + | |
3837 | sizeof(struct dmae_command) * | |
3838 | (loader_idx + 1)) >> 2; | |
3839 | dmae->dst_addr_hi = 0; | |
3840 | dmae->len = sizeof(struct dmae_command) >> 2; | |
3841 | if (CHIP_IS_E1(bp)) | |
3842 | dmae->len--; | |
3843 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2; | |
3844 | dmae->comp_addr_hi = 0; | |
3845 | dmae->comp_val = 1; | |
3846 | ||
3847 | *stats_comp = 0; | |
3848 | bnx2x_post_dmae(bp, dmae, loader_idx); | |
3849 | ||
3850 | } else if (bp->func_stx) { | |
3851 | *stats_comp = 0; | |
3852 | bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp)); | |
3853 | } | |
3854 | } | |
3855 | ||
3856 | static int bnx2x_stats_comp(struct bnx2x *bp) | |
3857 | { | |
3858 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3859 | int cnt = 10; | |
3860 | ||
3861 | might_sleep(); | |
3862 | while (*stats_comp != DMAE_COMP_VAL) { | |
3863 | if (!cnt) { | |
3864 | BNX2X_ERR("timeout waiting for stats finished\n"); | |
3865 | break; | |
3866 | } | |
3867 | cnt--; | |
3868 | msleep(1); | |
3869 | } | |
3870 | return 1; | |
3871 | } | |
3872 | ||
3873 | /* | |
3874 | * Statistics service functions | |
3875 | */ | |
3876 | ||
3877 | static void bnx2x_stats_pmf_update(struct bnx2x *bp) | |
3878 | { | |
3879 | struct dmae_command *dmae; | |
3880 | u32 opcode; | |
3881 | int loader_idx = PMF_DMAE_C(bp); | |
3882 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3883 | ||
3884 | /* sanity */ | |
3885 | if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) { | |
3886 | BNX2X_ERR("BUG!\n"); | |
3887 | return; | |
3888 | } | |
3889 | ||
3890 | bp->executer_idx = 0; | |
3891 | ||
3892 | opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
3893 | DMAE_CMD_C_ENABLE | | |
3894 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3895 | #ifdef __BIG_ENDIAN | |
3896 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3897 | #else | |
3898 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3899 | #endif | |
3900 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
3901 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
3902 | ||
3903 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3904 | dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC); | |
3905 | dmae->src_addr_lo = bp->port.port_stx >> 2; | |
3906 | dmae->src_addr_hi = 0; | |
3907 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); | |
3908 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); | |
3909 | dmae->len = DMAE_LEN32_RD_MAX; | |
3910 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3911 | dmae->comp_addr_hi = 0; | |
3912 | dmae->comp_val = 1; | |
3913 | ||
3914 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3915 | dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); | |
3916 | dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX; | |
3917 | dmae->src_addr_hi = 0; | |
3918 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) + | |
3919 | DMAE_LEN32_RD_MAX * 4); | |
3920 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) + | |
3921 | DMAE_LEN32_RD_MAX * 4); | |
3922 | dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX; | |
3923 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
3924 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
3925 | dmae->comp_val = DMAE_COMP_VAL; | |
3926 | ||
3927 | *stats_comp = 0; | |
3928 | bnx2x_hw_stats_post(bp); | |
3929 | bnx2x_stats_comp(bp); | |
3930 | } | |
3931 | ||
3932 | static void bnx2x_port_stats_init(struct bnx2x *bp) | |
3933 | { | |
3934 | struct dmae_command *dmae; | |
3935 | int port = BP_PORT(bp); | |
3936 | int vn = BP_E1HVN(bp); | |
3937 | u32 opcode; | |
3938 | int loader_idx = PMF_DMAE_C(bp); | |
3939 | u32 mac_addr; | |
3940 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3941 | ||
3942 | /* sanity */ | |
3943 | if (!bp->link_vars.link_up || !bp->port.pmf) { | |
3944 | BNX2X_ERR("BUG!\n"); | |
3945 | return; | |
3946 | } | |
3947 | ||
3948 | bp->executer_idx = 0; | |
3949 | ||
3950 | /* MCP */ | |
3951 | opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
3952 | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | | |
3953 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3954 | #ifdef __BIG_ENDIAN | |
3955 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3956 | #else | |
3957 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3958 | #endif | |
3959 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
3960 | (vn << DMAE_CMD_E1HVN_SHIFT)); | |
3961 | ||
3962 | if (bp->port.port_stx) { | |
3963 | ||
3964 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3965 | dmae->opcode = opcode; | |
3966 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); | |
3967 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); | |
3968 | dmae->dst_addr_lo = bp->port.port_stx >> 2; | |
3969 | dmae->dst_addr_hi = 0; | |
3970 | dmae->len = sizeof(struct host_port_stats) >> 2; | |
3971 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3972 | dmae->comp_addr_hi = 0; | |
3973 | dmae->comp_val = 1; | |
3974 | } | |
3975 | ||
3976 | if (bp->func_stx) { | |
3977 | ||
3978 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3979 | dmae->opcode = opcode; | |
3980 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); | |
3981 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); | |
3982 | dmae->dst_addr_lo = bp->func_stx >> 2; | |
3983 | dmae->dst_addr_hi = 0; | |
3984 | dmae->len = sizeof(struct host_func_stats) >> 2; | |
3985 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3986 | dmae->comp_addr_hi = 0; | |
3987 | dmae->comp_val = 1; | |
3988 | } | |
3989 | ||
3990 | /* MAC */ | |
3991 | opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
3992 | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | | |
3993 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3994 | #ifdef __BIG_ENDIAN | |
3995 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3996 | #else | |
3997 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3998 | #endif | |
3999 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
4000 | (vn << DMAE_CMD_E1HVN_SHIFT)); | |
4001 | ||
4002 | if (bp->link_vars.mac_type == MAC_TYPE_BMAC) { | |
4003 | ||
4004 | mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM : | |
4005 | NIG_REG_INGRESS_BMAC0_MEM); | |
4006 | ||
4007 | /* BIGMAC_REGISTER_TX_STAT_GTPKT .. | |
4008 | BIGMAC_REGISTER_TX_STAT_GTBYT */ | |
4009 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4010 | dmae->opcode = opcode; | |
4011 | dmae->src_addr_lo = (mac_addr + | |
4012 | BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; | |
4013 | dmae->src_addr_hi = 0; | |
4014 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); | |
4015 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); | |
4016 | dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT - | |
4017 | BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; | |
4018 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4019 | dmae->comp_addr_hi = 0; | |
4020 | dmae->comp_val = 1; | |
4021 | ||
4022 | /* BIGMAC_REGISTER_RX_STAT_GR64 .. | |
4023 | BIGMAC_REGISTER_RX_STAT_GRIPJ */ | |
4024 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4025 | dmae->opcode = opcode; | |
4026 | dmae->src_addr_lo = (mac_addr + | |
4027 | BIGMAC_REGISTER_RX_STAT_GR64) >> 2; | |
4028 | dmae->src_addr_hi = 0; | |
4029 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
4030 | offsetof(struct bmac_stats, rx_stat_gr64_lo)); | |
4031 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
4032 | offsetof(struct bmac_stats, rx_stat_gr64_lo)); | |
4033 | dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ - | |
4034 | BIGMAC_REGISTER_RX_STAT_GR64) >> 2; | |
4035 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4036 | dmae->comp_addr_hi = 0; | |
4037 | dmae->comp_val = 1; | |
4038 | ||
4039 | } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) { | |
4040 | ||
4041 | mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0); | |
4042 | ||
4043 | /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/ | |
4044 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4045 | dmae->opcode = opcode; | |
4046 | dmae->src_addr_lo = (mac_addr + | |
4047 | EMAC_REG_EMAC_RX_STAT_AC) >> 2; | |
4048 | dmae->src_addr_hi = 0; | |
4049 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); | |
4050 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); | |
4051 | dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT; | |
4052 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4053 | dmae->comp_addr_hi = 0; | |
4054 | dmae->comp_val = 1; | |
4055 | ||
4056 | /* EMAC_REG_EMAC_RX_STAT_AC_28 */ | |
4057 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4058 | dmae->opcode = opcode; | |
4059 | dmae->src_addr_lo = (mac_addr + | |
4060 | EMAC_REG_EMAC_RX_STAT_AC_28) >> 2; | |
4061 | dmae->src_addr_hi = 0; | |
4062 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
4063 | offsetof(struct emac_stats, rx_stat_falsecarriererrors)); | |
4064 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
4065 | offsetof(struct emac_stats, rx_stat_falsecarriererrors)); | |
4066 | dmae->len = 1; | |
4067 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4068 | dmae->comp_addr_hi = 0; | |
4069 | dmae->comp_val = 1; | |
4070 | ||
4071 | /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/ | |
4072 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4073 | dmae->opcode = opcode; | |
4074 | dmae->src_addr_lo = (mac_addr + | |
4075 | EMAC_REG_EMAC_TX_STAT_AC) >> 2; | |
4076 | dmae->src_addr_hi = 0; | |
4077 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
4078 | offsetof(struct emac_stats, tx_stat_ifhcoutoctets)); | |
4079 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
4080 | offsetof(struct emac_stats, tx_stat_ifhcoutoctets)); | |
4081 | dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT; | |
4082 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4083 | dmae->comp_addr_hi = 0; | |
4084 | dmae->comp_val = 1; | |
4085 | } | |
4086 | ||
4087 | /* NIG */ | |
4088 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4089 | dmae->opcode = opcode; | |
4090 | dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD : | |
4091 | NIG_REG_STAT0_BRB_DISCARD) >> 2; | |
4092 | dmae->src_addr_hi = 0; | |
4093 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats)); | |
4094 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats)); | |
4095 | dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2; | |
4096 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4097 | dmae->comp_addr_hi = 0; | |
4098 | dmae->comp_val = 1; | |
4099 | ||
4100 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4101 | dmae->opcode = opcode; | |
4102 | dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 : | |
4103 | NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2; | |
4104 | dmae->src_addr_hi = 0; | |
4105 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) + | |
4106 | offsetof(struct nig_stats, egress_mac_pkt0_lo)); | |
4107 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) + | |
4108 | offsetof(struct nig_stats, egress_mac_pkt0_lo)); | |
4109 | dmae->len = (2*sizeof(u32)) >> 2; | |
4110 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4111 | dmae->comp_addr_hi = 0; | |
4112 | dmae->comp_val = 1; | |
4113 | ||
4114 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4115 | dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
4116 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
4117 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
4118 | #ifdef __BIG_ENDIAN | |
4119 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
4120 | #else | |
4121 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
4122 | #endif | |
4123 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
4124 | (vn << DMAE_CMD_E1HVN_SHIFT)); | |
4125 | dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 : | |
4126 | NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2; | |
4127 | dmae->src_addr_hi = 0; | |
4128 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) + | |
4129 | offsetof(struct nig_stats, egress_mac_pkt1_lo)); | |
4130 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) + | |
4131 | offsetof(struct nig_stats, egress_mac_pkt1_lo)); | |
4132 | dmae->len = (2*sizeof(u32)) >> 2; | |
4133 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
4134 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
4135 | dmae->comp_val = DMAE_COMP_VAL; | |
4136 | ||
4137 | *stats_comp = 0; | |
4138 | } | |
4139 | ||
4140 | static void bnx2x_func_stats_init(struct bnx2x *bp) | |
4141 | { | |
4142 | struct dmae_command *dmae = &bp->stats_dmae; | |
4143 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
4144 | ||
4145 | /* sanity */ | |
4146 | if (!bp->func_stx) { | |
4147 | BNX2X_ERR("BUG!\n"); | |
4148 | return; | |
4149 | } | |
4150 | ||
4151 | bp->executer_idx = 0; | |
4152 | memset(dmae, 0, sizeof(struct dmae_command)); | |
4153 | ||
4154 | dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
4155 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
4156 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
4157 | #ifdef __BIG_ENDIAN | |
4158 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
4159 | #else | |
4160 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
4161 | #endif | |
4162 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
4163 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
4164 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); | |
4165 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); | |
4166 | dmae->dst_addr_lo = bp->func_stx >> 2; | |
4167 | dmae->dst_addr_hi = 0; | |
4168 | dmae->len = sizeof(struct host_func_stats) >> 2; | |
4169 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
4170 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
4171 | dmae->comp_val = DMAE_COMP_VAL; | |
4172 | ||
4173 | *stats_comp = 0; | |
4174 | } | |
4175 | ||
4176 | static void bnx2x_stats_start(struct bnx2x *bp) | |
4177 | { | |
4178 | if (bp->port.pmf) | |
4179 | bnx2x_port_stats_init(bp); | |
4180 | ||
4181 | else if (bp->func_stx) | |
4182 | bnx2x_func_stats_init(bp); | |
4183 | ||
4184 | bnx2x_hw_stats_post(bp); | |
4185 | bnx2x_storm_stats_post(bp); | |
4186 | } | |
4187 | ||
4188 | static void bnx2x_stats_pmf_start(struct bnx2x *bp) | |
4189 | { | |
4190 | bnx2x_stats_comp(bp); | |
4191 | bnx2x_stats_pmf_update(bp); | |
4192 | bnx2x_stats_start(bp); | |
4193 | } | |
4194 | ||
4195 | static void bnx2x_stats_restart(struct bnx2x *bp) | |
4196 | { | |
4197 | bnx2x_stats_comp(bp); | |
4198 | bnx2x_stats_start(bp); | |
4199 | } | |
4200 | ||
4201 | static void bnx2x_bmac_stats_update(struct bnx2x *bp) | |
4202 | { | |
4203 | struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats); | |
4204 | struct host_port_stats *pstats = bnx2x_sp(bp, port_stats); | |
4205 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
4206 | struct { | |
4207 | u32 lo; | |
4208 | u32 hi; | |
4209 | } diff; | |
4210 | ||
4211 | UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets); | |
4212 | UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors); | |
4213 | UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts); | |
4214 | UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong); | |
4215 | UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments); | |
4216 | UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers); | |
4217 | UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived); | |
4218 | UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered); | |
4219 | UPDATE_STAT64(rx_stat_grxpf, rx_stat_bmac_xpf); | |
4220 | UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent); | |
4221 | UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone); | |
4222 | UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets); | |
4223 | UPDATE_STAT64(tx_stat_gt127, | |
4224 | tx_stat_etherstatspkts65octetsto127octets); | |
4225 | UPDATE_STAT64(tx_stat_gt255, | |
4226 | tx_stat_etherstatspkts128octetsto255octets); | |
4227 | UPDATE_STAT64(tx_stat_gt511, | |
4228 | tx_stat_etherstatspkts256octetsto511octets); | |
4229 | UPDATE_STAT64(tx_stat_gt1023, | |
4230 | tx_stat_etherstatspkts512octetsto1023octets); | |
4231 | UPDATE_STAT64(tx_stat_gt1518, | |
4232 | tx_stat_etherstatspkts1024octetsto1522octets); | |
4233 | UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047); | |
4234 | UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095); | |
4235 | UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216); | |
4236 | UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383); | |
4237 | UPDATE_STAT64(tx_stat_gterr, | |
4238 | tx_stat_dot3statsinternalmactransmiterrors); | |
4239 | UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl); | |
4240 | ||
4241 | estats->pause_frames_received_hi = | |
4242 | pstats->mac_stx[1].rx_stat_bmac_xpf_hi; | |
4243 | estats->pause_frames_received_lo = | |
4244 | pstats->mac_stx[1].rx_stat_bmac_xpf_lo; | |
4245 | ||
4246 | estats->pause_frames_sent_hi = | |
4247 | pstats->mac_stx[1].tx_stat_outxoffsent_hi; | |
4248 | estats->pause_frames_sent_lo = | |
4249 | pstats->mac_stx[1].tx_stat_outxoffsent_lo; | |
4250 | } | |
4251 | ||
4252 | static void bnx2x_emac_stats_update(struct bnx2x *bp) | |
4253 | { | |
4254 | struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats); | |
4255 | struct host_port_stats *pstats = bnx2x_sp(bp, port_stats); | |
4256 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
4257 | ||
4258 | UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets); | |
4259 | UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets); | |
4260 | UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors); | |
4261 | UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors); | |
4262 | UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors); | |
4263 | UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors); | |
4264 | UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts); | |
4265 | UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong); | |
4266 | UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments); | |
4267 | UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers); | |
4268 | UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived); | |
4269 | UPDATE_EXTEND_STAT(rx_stat_xoffstateentered); | |
4270 | UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived); | |
4271 | UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived); | |
4272 | UPDATE_EXTEND_STAT(tx_stat_outxonsent); | |
4273 | UPDATE_EXTEND_STAT(tx_stat_outxoffsent); | |
4274 | UPDATE_EXTEND_STAT(tx_stat_flowcontroldone); | |
4275 | UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions); | |
4276 | UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes); | |
4277 | UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes); | |
4278 | UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions); | |
4279 | UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions); | |
4280 | UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions); | |
4281 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets); | |
4282 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets); | |
4283 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets); | |
4284 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets); | |
4285 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets); | |
4286 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets); | |
4287 | UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets); | |
4288 | UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors); | |
4289 | ||
4290 | estats->pause_frames_received_hi = | |
4291 | pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi; | |
4292 | estats->pause_frames_received_lo = | |
4293 | pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo; | |
4294 | ADD_64(estats->pause_frames_received_hi, | |
4295 | pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi, | |
4296 | estats->pause_frames_received_lo, | |
4297 | pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo); | |
4298 | ||
4299 | estats->pause_frames_sent_hi = | |
4300 | pstats->mac_stx[1].tx_stat_outxonsent_hi; | |
4301 | estats->pause_frames_sent_lo = | |
4302 | pstats->mac_stx[1].tx_stat_outxonsent_lo; | |
4303 | ADD_64(estats->pause_frames_sent_hi, | |
4304 | pstats->mac_stx[1].tx_stat_outxoffsent_hi, | |
4305 | estats->pause_frames_sent_lo, | |
4306 | pstats->mac_stx[1].tx_stat_outxoffsent_lo); | |
4307 | } | |
4308 | ||
4309 | static int bnx2x_hw_stats_update(struct bnx2x *bp) | |
4310 | { | |
4311 | struct nig_stats *new = bnx2x_sp(bp, nig_stats); | |
4312 | struct nig_stats *old = &(bp->port.old_nig_stats); | |
4313 | struct host_port_stats *pstats = bnx2x_sp(bp, port_stats); | |
4314 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
4315 | struct { | |
4316 | u32 lo; | |
4317 | u32 hi; | |
4318 | } diff; | |
4319 | ||
4320 | if (bp->link_vars.mac_type == MAC_TYPE_BMAC) | |
4321 | bnx2x_bmac_stats_update(bp); | |
4322 | ||
4323 | else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) | |
4324 | bnx2x_emac_stats_update(bp); | |
4325 | ||
4326 | else { /* unreached */ | |
4327 | BNX2X_ERR("stats updated by DMAE but no MAC active\n"); | |
4328 | return -1; | |
4329 | } | |
4330 | ||
4331 | ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo, | |
4332 | new->brb_discard - old->brb_discard); | |
4333 | ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo, | |
4334 | new->brb_truncate - old->brb_truncate); | |
4335 | ||
4336 | UPDATE_STAT64_NIG(egress_mac_pkt0, | |
4337 | etherstatspkts1024octetsto1522octets); | |
4338 | UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets); | |
4339 | ||
4340 | memcpy(old, new, sizeof(struct nig_stats)); | |
4341 | ||
4342 | memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]), | |
4343 | sizeof(struct mac_stx)); | |
4344 | estats->brb_drop_hi = pstats->brb_drop_hi; | |
4345 | estats->brb_drop_lo = pstats->brb_drop_lo; | |
4346 | ||
4347 | pstats->host_port_stats_start = ++pstats->host_port_stats_end; | |
4348 | ||
4349 | if (!BP_NOMCP(bp)) { | |
4350 | u32 nig_timer_max = | |
4351 | SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer); | |
4352 | if (nig_timer_max != estats->nig_timer_max) { | |
4353 | estats->nig_timer_max = nig_timer_max; | |
4354 | BNX2X_ERR("NIG timer max (%u)\n", | |
4355 | estats->nig_timer_max); | |
4356 | } | |
4357 | } | |
4358 | ||
4359 | return 0; | |
4360 | } | |
4361 | ||
4362 | static int bnx2x_storm_stats_update(struct bnx2x *bp) | |
4363 | { | |
4364 | struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats); | |
4365 | struct tstorm_per_port_stats *tport = | |
4366 | &stats->tstorm_common.port_statistics; | |
4367 | struct host_func_stats *fstats = bnx2x_sp(bp, func_stats); | |
4368 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
4369 | int i; | |
4370 | ||
4371 | memcpy(&(fstats->total_bytes_received_hi), | |
4372 | &(bnx2x_sp(bp, func_stats_base)->total_bytes_received_hi), | |
4373 | sizeof(struct host_func_stats) - 2*sizeof(u32)); | |
4374 | estats->error_bytes_received_hi = 0; | |
4375 | estats->error_bytes_received_lo = 0; | |
4376 | estats->etherstatsoverrsizepkts_hi = 0; | |
4377 | estats->etherstatsoverrsizepkts_lo = 0; | |
4378 | estats->no_buff_discard_hi = 0; | |
4379 | estats->no_buff_discard_lo = 0; | |
4380 | ||
4381 | for_each_queue(bp, i) { | |
4382 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
4383 | int cl_id = fp->cl_id; | |
4384 | struct tstorm_per_client_stats *tclient = | |
4385 | &stats->tstorm_common.client_statistics[cl_id]; | |
4386 | struct tstorm_per_client_stats *old_tclient = &fp->old_tclient; | |
4387 | struct ustorm_per_client_stats *uclient = | |
4388 | &stats->ustorm_common.client_statistics[cl_id]; | |
4389 | struct ustorm_per_client_stats *old_uclient = &fp->old_uclient; | |
4390 | struct xstorm_per_client_stats *xclient = | |
4391 | &stats->xstorm_common.client_statistics[cl_id]; | |
4392 | struct xstorm_per_client_stats *old_xclient = &fp->old_xclient; | |
4393 | struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats; | |
4394 | u32 diff; | |
4395 | ||
4396 | /* are storm stats valid? */ | |
4397 | if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) != | |
4398 | bp->stats_counter) { | |
4399 | DP(BNX2X_MSG_STATS, "[%d] stats not updated by xstorm" | |
4400 | " xstorm counter (0x%x) != stats_counter (0x%x)\n", | |
4401 | i, xclient->stats_counter, bp->stats_counter); | |
4402 | return -1; | |
4403 | } | |
4404 | if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) != | |
4405 | bp->stats_counter) { | |
4406 | DP(BNX2X_MSG_STATS, "[%d] stats not updated by tstorm" | |
4407 | " tstorm counter (0x%x) != stats_counter (0x%x)\n", | |
4408 | i, tclient->stats_counter, bp->stats_counter); | |
4409 | return -2; | |
4410 | } | |
4411 | if ((u16)(le16_to_cpu(uclient->stats_counter) + 1) != | |
4412 | bp->stats_counter) { | |
4413 | DP(BNX2X_MSG_STATS, "[%d] stats not updated by ustorm" | |
4414 | " ustorm counter (0x%x) != stats_counter (0x%x)\n", | |
4415 | i, uclient->stats_counter, bp->stats_counter); | |
4416 | return -4; | |
4417 | } | |
4418 | ||
4419 | qstats->total_bytes_received_hi = | |
4420 | le32_to_cpu(tclient->rcv_broadcast_bytes.hi); | |
4421 | qstats->total_bytes_received_lo = | |
4422 | le32_to_cpu(tclient->rcv_broadcast_bytes.lo); | |
4423 | ||
4424 | ADD_64(qstats->total_bytes_received_hi, | |
4425 | le32_to_cpu(tclient->rcv_multicast_bytes.hi), | |
4426 | qstats->total_bytes_received_lo, | |
4427 | le32_to_cpu(tclient->rcv_multicast_bytes.lo)); | |
4428 | ||
4429 | ADD_64(qstats->total_bytes_received_hi, | |
4430 | le32_to_cpu(tclient->rcv_unicast_bytes.hi), | |
4431 | qstats->total_bytes_received_lo, | |
4432 | le32_to_cpu(tclient->rcv_unicast_bytes.lo)); | |
4433 | ||
4434 | SUB_64(qstats->total_bytes_received_hi, | |
4435 | le32_to_cpu(uclient->bcast_no_buff_bytes.hi), | |
4436 | qstats->total_bytes_received_lo, | |
4437 | le32_to_cpu(uclient->bcast_no_buff_bytes.lo)); | |
4438 | ||
4439 | SUB_64(qstats->total_bytes_received_hi, | |
4440 | le32_to_cpu(uclient->mcast_no_buff_bytes.hi), | |
4441 | qstats->total_bytes_received_lo, | |
4442 | le32_to_cpu(uclient->mcast_no_buff_bytes.lo)); | |
4443 | ||
4444 | SUB_64(qstats->total_bytes_received_hi, | |
4445 | le32_to_cpu(uclient->ucast_no_buff_bytes.hi), | |
4446 | qstats->total_bytes_received_lo, | |
4447 | le32_to_cpu(uclient->ucast_no_buff_bytes.lo)); | |
4448 | ||
4449 | qstats->valid_bytes_received_hi = | |
4450 | qstats->total_bytes_received_hi; | |
4451 | qstats->valid_bytes_received_lo = | |
4452 | qstats->total_bytes_received_lo; | |
4453 | ||
4454 | qstats->error_bytes_received_hi = | |
4455 | le32_to_cpu(tclient->rcv_error_bytes.hi); | |
4456 | qstats->error_bytes_received_lo = | |
4457 | le32_to_cpu(tclient->rcv_error_bytes.lo); | |
4458 | ||
4459 | ADD_64(qstats->total_bytes_received_hi, | |
4460 | qstats->error_bytes_received_hi, | |
4461 | qstats->total_bytes_received_lo, | |
4462 | qstats->error_bytes_received_lo); | |
4463 | ||
4464 | UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, | |
4465 | total_unicast_packets_received); | |
4466 | UPDATE_EXTEND_TSTAT(rcv_multicast_pkts, | |
4467 | total_multicast_packets_received); | |
4468 | UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts, | |
4469 | total_broadcast_packets_received); | |
4470 | UPDATE_EXTEND_TSTAT(packets_too_big_discard, | |
4471 | etherstatsoverrsizepkts); | |
4472 | UPDATE_EXTEND_TSTAT(no_buff_discard, no_buff_discard); | |
4473 | ||
4474 | SUB_EXTEND_USTAT(ucast_no_buff_pkts, | |
4475 | total_unicast_packets_received); | |
4476 | SUB_EXTEND_USTAT(mcast_no_buff_pkts, | |
4477 | total_multicast_packets_received); | |
4478 | SUB_EXTEND_USTAT(bcast_no_buff_pkts, | |
4479 | total_broadcast_packets_received); | |
4480 | UPDATE_EXTEND_USTAT(ucast_no_buff_pkts, no_buff_discard); | |
4481 | UPDATE_EXTEND_USTAT(mcast_no_buff_pkts, no_buff_discard); | |
4482 | UPDATE_EXTEND_USTAT(bcast_no_buff_pkts, no_buff_discard); | |
4483 | ||
4484 | qstats->total_bytes_transmitted_hi = | |
4485 | le32_to_cpu(xclient->unicast_bytes_sent.hi); | |
4486 | qstats->total_bytes_transmitted_lo = | |
4487 | le32_to_cpu(xclient->unicast_bytes_sent.lo); | |
4488 | ||
4489 | ADD_64(qstats->total_bytes_transmitted_hi, | |
4490 | le32_to_cpu(xclient->multicast_bytes_sent.hi), | |
4491 | qstats->total_bytes_transmitted_lo, | |
4492 | le32_to_cpu(xclient->multicast_bytes_sent.lo)); | |
4493 | ||
4494 | ADD_64(qstats->total_bytes_transmitted_hi, | |
4495 | le32_to_cpu(xclient->broadcast_bytes_sent.hi), | |
4496 | qstats->total_bytes_transmitted_lo, | |
4497 | le32_to_cpu(xclient->broadcast_bytes_sent.lo)); | |
4498 | ||
4499 | UPDATE_EXTEND_XSTAT(unicast_pkts_sent, | |
4500 | total_unicast_packets_transmitted); | |
4501 | UPDATE_EXTEND_XSTAT(multicast_pkts_sent, | |
4502 | total_multicast_packets_transmitted); | |
4503 | UPDATE_EXTEND_XSTAT(broadcast_pkts_sent, | |
4504 | total_broadcast_packets_transmitted); | |
4505 | ||
4506 | old_tclient->checksum_discard = tclient->checksum_discard; | |
4507 | old_tclient->ttl0_discard = tclient->ttl0_discard; | |
4508 | ||
4509 | ADD_64(fstats->total_bytes_received_hi, | |
4510 | qstats->total_bytes_received_hi, | |
4511 | fstats->total_bytes_received_lo, | |
4512 | qstats->total_bytes_received_lo); | |
4513 | ADD_64(fstats->total_bytes_transmitted_hi, | |
4514 | qstats->total_bytes_transmitted_hi, | |
4515 | fstats->total_bytes_transmitted_lo, | |
4516 | qstats->total_bytes_transmitted_lo); | |
4517 | ADD_64(fstats->total_unicast_packets_received_hi, | |
4518 | qstats->total_unicast_packets_received_hi, | |
4519 | fstats->total_unicast_packets_received_lo, | |
4520 | qstats->total_unicast_packets_received_lo); | |
4521 | ADD_64(fstats->total_multicast_packets_received_hi, | |
4522 | qstats->total_multicast_packets_received_hi, | |
4523 | fstats->total_multicast_packets_received_lo, | |
4524 | qstats->total_multicast_packets_received_lo); | |
4525 | ADD_64(fstats->total_broadcast_packets_received_hi, | |
4526 | qstats->total_broadcast_packets_received_hi, | |
4527 | fstats->total_broadcast_packets_received_lo, | |
4528 | qstats->total_broadcast_packets_received_lo); | |
4529 | ADD_64(fstats->total_unicast_packets_transmitted_hi, | |
4530 | qstats->total_unicast_packets_transmitted_hi, | |
4531 | fstats->total_unicast_packets_transmitted_lo, | |
4532 | qstats->total_unicast_packets_transmitted_lo); | |
4533 | ADD_64(fstats->total_multicast_packets_transmitted_hi, | |
4534 | qstats->total_multicast_packets_transmitted_hi, | |
4535 | fstats->total_multicast_packets_transmitted_lo, | |
4536 | qstats->total_multicast_packets_transmitted_lo); | |
4537 | ADD_64(fstats->total_broadcast_packets_transmitted_hi, | |
4538 | qstats->total_broadcast_packets_transmitted_hi, | |
4539 | fstats->total_broadcast_packets_transmitted_lo, | |
4540 | qstats->total_broadcast_packets_transmitted_lo); | |
4541 | ADD_64(fstats->valid_bytes_received_hi, | |
4542 | qstats->valid_bytes_received_hi, | |
4543 | fstats->valid_bytes_received_lo, | |
4544 | qstats->valid_bytes_received_lo); | |
4545 | ||
4546 | ADD_64(estats->error_bytes_received_hi, | |
4547 | qstats->error_bytes_received_hi, | |
4548 | estats->error_bytes_received_lo, | |
4549 | qstats->error_bytes_received_lo); | |
4550 | ADD_64(estats->etherstatsoverrsizepkts_hi, | |
4551 | qstats->etherstatsoverrsizepkts_hi, | |
4552 | estats->etherstatsoverrsizepkts_lo, | |
4553 | qstats->etherstatsoverrsizepkts_lo); | |
4554 | ADD_64(estats->no_buff_discard_hi, qstats->no_buff_discard_hi, | |
4555 | estats->no_buff_discard_lo, qstats->no_buff_discard_lo); | |
4556 | } | |
4557 | ||
4558 | ADD_64(fstats->total_bytes_received_hi, | |
4559 | estats->rx_stat_ifhcinbadoctets_hi, | |
4560 | fstats->total_bytes_received_lo, | |
4561 | estats->rx_stat_ifhcinbadoctets_lo); | |
4562 | ||
4563 | memcpy(estats, &(fstats->total_bytes_received_hi), | |
4564 | sizeof(struct host_func_stats) - 2*sizeof(u32)); | |
4565 | ||
4566 | ADD_64(estats->etherstatsoverrsizepkts_hi, | |
4567 | estats->rx_stat_dot3statsframestoolong_hi, | |
4568 | estats->etherstatsoverrsizepkts_lo, | |
4569 | estats->rx_stat_dot3statsframestoolong_lo); | |
4570 | ADD_64(estats->error_bytes_received_hi, | |
4571 | estats->rx_stat_ifhcinbadoctets_hi, | |
4572 | estats->error_bytes_received_lo, | |
4573 | estats->rx_stat_ifhcinbadoctets_lo); | |
4574 | ||
4575 | if (bp->port.pmf) { | |
4576 | estats->mac_filter_discard = | |
4577 | le32_to_cpu(tport->mac_filter_discard); | |
4578 | estats->xxoverflow_discard = | |
4579 | le32_to_cpu(tport->xxoverflow_discard); | |
4580 | estats->brb_truncate_discard = | |
4581 | le32_to_cpu(tport->brb_truncate_discard); | |
4582 | estats->mac_discard = le32_to_cpu(tport->mac_discard); | |
4583 | } | |
4584 | ||
4585 | fstats->host_func_stats_start = ++fstats->host_func_stats_end; | |
4586 | ||
4587 | bp->stats_pending = 0; | |
4588 | ||
4589 | return 0; | |
4590 | } | |
4591 | ||
4592 | static void bnx2x_net_stats_update(struct bnx2x *bp) | |
4593 | { | |
4594 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
4595 | struct net_device_stats *nstats = &bp->dev->stats; | |
4596 | int i; | |
4597 | ||
4598 | nstats->rx_packets = | |
4599 | bnx2x_hilo(&estats->total_unicast_packets_received_hi) + | |
4600 | bnx2x_hilo(&estats->total_multicast_packets_received_hi) + | |
4601 | bnx2x_hilo(&estats->total_broadcast_packets_received_hi); | |
4602 | ||
4603 | nstats->tx_packets = | |
4604 | bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) + | |
4605 | bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) + | |
4606 | bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi); | |
4607 | ||
4608 | nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi); | |
4609 | ||
4610 | nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi); | |
4611 | ||
4612 | nstats->rx_dropped = estats->mac_discard; | |
4613 | for_each_queue(bp, i) | |
4614 | nstats->rx_dropped += | |
4615 | le32_to_cpu(bp->fp[i].old_tclient.checksum_discard); | |
4616 | ||
4617 | nstats->tx_dropped = 0; | |
4618 | ||
4619 | nstats->multicast = | |
4620 | bnx2x_hilo(&estats->total_multicast_packets_received_hi); | |
4621 | ||
4622 | nstats->collisions = | |
4623 | bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi); | |
4624 | ||
4625 | nstats->rx_length_errors = | |
4626 | bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) + | |
4627 | bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi); | |
4628 | nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) + | |
4629 | bnx2x_hilo(&estats->brb_truncate_hi); | |
4630 | nstats->rx_crc_errors = | |
4631 | bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi); | |
4632 | nstats->rx_frame_errors = | |
4633 | bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi); | |
4634 | nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi); | |
4635 | nstats->rx_missed_errors = estats->xxoverflow_discard; | |
4636 | ||
4637 | nstats->rx_errors = nstats->rx_length_errors + | |
4638 | nstats->rx_over_errors + | |
4639 | nstats->rx_crc_errors + | |
4640 | nstats->rx_frame_errors + | |
4641 | nstats->rx_fifo_errors + | |
4642 | nstats->rx_missed_errors; | |
4643 | ||
4644 | nstats->tx_aborted_errors = | |
4645 | bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) + | |
4646 | bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi); | |
4647 | nstats->tx_carrier_errors = | |
4648 | bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi); | |
4649 | nstats->tx_fifo_errors = 0; | |
4650 | nstats->tx_heartbeat_errors = 0; | |
4651 | nstats->tx_window_errors = 0; | |
4652 | ||
4653 | nstats->tx_errors = nstats->tx_aborted_errors + | |
4654 | nstats->tx_carrier_errors + | |
4655 | bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi); | |
4656 | } | |
4657 | ||
4658 | static void bnx2x_drv_stats_update(struct bnx2x *bp) | |
4659 | { | |
4660 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
4661 | int i; | |
4662 | ||
4663 | estats->driver_xoff = 0; | |
4664 | estats->rx_err_discard_pkt = 0; | |
4665 | estats->rx_skb_alloc_failed = 0; | |
4666 | estats->hw_csum_err = 0; | |
4667 | for_each_queue(bp, i) { | |
4668 | struct bnx2x_eth_q_stats *qstats = &bp->fp[i].eth_q_stats; | |
4669 | ||
4670 | estats->driver_xoff += qstats->driver_xoff; | |
4671 | estats->rx_err_discard_pkt += qstats->rx_err_discard_pkt; | |
4672 | estats->rx_skb_alloc_failed += qstats->rx_skb_alloc_failed; | |
4673 | estats->hw_csum_err += qstats->hw_csum_err; | |
4674 | } | |
4675 | } | |
4676 | ||
4677 | static void bnx2x_stats_update(struct bnx2x *bp) | |
4678 | { | |
4679 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
4680 | ||
4681 | if (*stats_comp != DMAE_COMP_VAL) | |
4682 | return; | |
4683 | ||
4684 | if (bp->port.pmf) | |
4685 | bnx2x_hw_stats_update(bp); | |
4686 | ||
4687 | if (bnx2x_storm_stats_update(bp) && (bp->stats_pending++ == 3)) { | |
4688 | BNX2X_ERR("storm stats were not updated for 3 times\n"); | |
4689 | bnx2x_panic(); | |
4690 | return; | |
4691 | } | |
4692 | ||
4693 | bnx2x_net_stats_update(bp); | |
4694 | bnx2x_drv_stats_update(bp); | |
4695 | ||
4696 | if (netif_msg_timer(bp)) { | |
4697 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
4698 | int i; | |
4699 | ||
4700 | printk(KERN_DEBUG "%s: brb drops %u brb truncate %u\n", | |
4701 | bp->dev->name, | |
4702 | estats->brb_drop_lo, estats->brb_truncate_lo); | |
4703 | ||
4704 | for_each_queue(bp, i) { | |
4705 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
4706 | struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats; | |
4707 | ||
4708 | printk(KERN_DEBUG "%s: rx usage(%4u) *rx_cons_sb(%u)" | |
4709 | " rx pkt(%lu) rx calls(%lu %lu)\n", | |
4710 | fp->name, (le16_to_cpu(*fp->rx_cons_sb) - | |
4711 | fp->rx_comp_cons), | |
4712 | le16_to_cpu(*fp->rx_cons_sb), | |
4713 | bnx2x_hilo(&qstats-> | |
4714 | total_unicast_packets_received_hi), | |
4715 | fp->rx_calls, fp->rx_pkt); | |
4716 | } | |
4717 | ||
4718 | for_each_queue(bp, i) { | |
4719 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
4720 | struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats; | |
4721 | struct netdev_queue *txq = | |
4722 | netdev_get_tx_queue(bp->dev, i); | |
4723 | ||
4724 | printk(KERN_DEBUG "%s: tx avail(%4u) *tx_cons_sb(%u)" | |
4725 | " tx pkt(%lu) tx calls (%lu)" | |
4726 | " %s (Xoff events %u)\n", | |
4727 | fp->name, bnx2x_tx_avail(fp), | |
4728 | le16_to_cpu(*fp->tx_cons_sb), | |
4729 | bnx2x_hilo(&qstats-> | |
4730 | total_unicast_packets_transmitted_hi), | |
4731 | fp->tx_pkt, | |
4732 | (netif_tx_queue_stopped(txq) ? "Xoff" : "Xon"), | |
4733 | qstats->driver_xoff); | |
4734 | } | |
4735 | } | |
4736 | ||
4737 | bnx2x_hw_stats_post(bp); | |
4738 | bnx2x_storm_stats_post(bp); | |
4739 | } | |
4740 | ||
4741 | static void bnx2x_port_stats_stop(struct bnx2x *bp) | |
4742 | { | |
4743 | struct dmae_command *dmae; | |
4744 | u32 opcode; | |
4745 | int loader_idx = PMF_DMAE_C(bp); | |
4746 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
4747 | ||
4748 | bp->executer_idx = 0; | |
4749 | ||
4750 | opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
4751 | DMAE_CMD_C_ENABLE | | |
4752 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
4753 | #ifdef __BIG_ENDIAN | |
4754 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
4755 | #else | |
4756 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
4757 | #endif | |
4758 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
4759 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
4760 | ||
4761 | if (bp->port.port_stx) { | |
4762 | ||
4763 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4764 | if (bp->func_stx) | |
4765 | dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC); | |
4766 | else | |
4767 | dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); | |
4768 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); | |
4769 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); | |
4770 | dmae->dst_addr_lo = bp->port.port_stx >> 2; | |
4771 | dmae->dst_addr_hi = 0; | |
4772 | dmae->len = sizeof(struct host_port_stats) >> 2; | |
4773 | if (bp->func_stx) { | |
4774 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
4775 | dmae->comp_addr_hi = 0; | |
4776 | dmae->comp_val = 1; | |
4777 | } else { | |
4778 | dmae->comp_addr_lo = | |
4779 | U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
4780 | dmae->comp_addr_hi = | |
4781 | U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
4782 | dmae->comp_val = DMAE_COMP_VAL; | |
4783 | ||
4784 | *stats_comp = 0; | |
4785 | } | |
4786 | } | |
4787 | ||
4788 | if (bp->func_stx) { | |
4789 | ||
4790 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4791 | dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); | |
4792 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); | |
4793 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); | |
4794 | dmae->dst_addr_lo = bp->func_stx >> 2; | |
4795 | dmae->dst_addr_hi = 0; | |
4796 | dmae->len = sizeof(struct host_func_stats) >> 2; | |
4797 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
4798 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
4799 | dmae->comp_val = DMAE_COMP_VAL; | |
4800 | ||
4801 | *stats_comp = 0; | |
4802 | } | |
4803 | } | |
4804 | ||
4805 | static void bnx2x_stats_stop(struct bnx2x *bp) | |
4806 | { | |
4807 | int update = 0; | |
4808 | ||
4809 | bnx2x_stats_comp(bp); | |
4810 | ||
4811 | if (bp->port.pmf) | |
4812 | update = (bnx2x_hw_stats_update(bp) == 0); | |
4813 | ||
4814 | update |= (bnx2x_storm_stats_update(bp) == 0); | |
4815 | ||
4816 | if (update) { | |
4817 | bnx2x_net_stats_update(bp); | |
4818 | ||
4819 | if (bp->port.pmf) | |
4820 | bnx2x_port_stats_stop(bp); | |
4821 | ||
4822 | bnx2x_hw_stats_post(bp); | |
4823 | bnx2x_stats_comp(bp); | |
4824 | } | |
4825 | } | |
4826 | ||
4827 | static void bnx2x_stats_do_nothing(struct bnx2x *bp) | |
4828 | { | |
4829 | } | |
4830 | ||
4831 | static const struct { | |
4832 | void (*action)(struct bnx2x *bp); | |
4833 | enum bnx2x_stats_state next_state; | |
4834 | } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = { | |
4835 | /* state event */ | |
4836 | { | |
4837 | /* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED}, | |
4838 | /* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED}, | |
4839 | /* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}, | |
4840 | /* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED} | |
4841 | }, | |
4842 | { | |
4843 | /* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED}, | |
4844 | /* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED}, | |
4845 | /* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED}, | |
4846 | /* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED} | |
4847 | } | |
4848 | }; | |
4849 | ||
4850 | static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event) | |
4851 | { | |
4852 | enum bnx2x_stats_state state = bp->stats_state; | |
4853 | ||
4854 | if (unlikely(bp->panic)) | |
4855 | return; | |
4856 | ||
4857 | bnx2x_stats_stm[state][event].action(bp); | |
4858 | bp->stats_state = bnx2x_stats_stm[state][event].next_state; | |
4859 | ||
4860 | /* Make sure the state has been "changed" */ | |
4861 | smp_wmb(); | |
4862 | ||
4863 | if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp)) | |
4864 | DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n", | |
4865 | state, event, bp->stats_state); | |
4866 | } | |
4867 | ||
4868 | static void bnx2x_port_stats_base_init(struct bnx2x *bp) | |
4869 | { | |
4870 | struct dmae_command *dmae; | |
4871 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
4872 | ||
4873 | /* sanity */ | |
4874 | if (!bp->port.pmf || !bp->port.port_stx) { | |
4875 | BNX2X_ERR("BUG!\n"); | |
4876 | return; | |
4877 | } | |
4878 | ||
4879 | bp->executer_idx = 0; | |
4880 | ||
4881 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
4882 | dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
4883 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
4884 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
4885 | #ifdef __BIG_ENDIAN | |
4886 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
4887 | #else | |
4888 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
4889 | #endif | |
4890 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
4891 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
4892 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); | |
4893 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); | |
4894 | dmae->dst_addr_lo = bp->port.port_stx >> 2; | |
4895 | dmae->dst_addr_hi = 0; | |
4896 | dmae->len = sizeof(struct host_port_stats) >> 2; | |
4897 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
4898 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
4899 | dmae->comp_val = DMAE_COMP_VAL; | |
4900 | ||
4901 | *stats_comp = 0; | |
4902 | bnx2x_hw_stats_post(bp); | |
4903 | bnx2x_stats_comp(bp); | |
4904 | } | |
4905 | ||
4906 | static void bnx2x_func_stats_base_init(struct bnx2x *bp) | |
4907 | { | |
4908 | int vn, vn_max = IS_E1HMF(bp) ? E1HVN_MAX : E1VN_MAX; | |
4909 | int port = BP_PORT(bp); | |
4910 | int func; | |
4911 | u32 func_stx; | |
4912 | ||
4913 | /* sanity */ | |
4914 | if (!bp->port.pmf || !bp->func_stx) { | |
4915 | BNX2X_ERR("BUG!\n"); | |
4916 | return; | |
4917 | } | |
4918 | ||
4919 | /* save our func_stx */ | |
4920 | func_stx = bp->func_stx; | |
4921 | ||
4922 | for (vn = VN_0; vn < vn_max; vn++) { | |
4923 | func = 2*vn + port; | |
4924 | ||
4925 | bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param); | |
4926 | bnx2x_func_stats_init(bp); | |
4927 | bnx2x_hw_stats_post(bp); | |
4928 | bnx2x_stats_comp(bp); | |
4929 | } | |
4930 | ||
4931 | /* restore our func_stx */ | |
4932 | bp->func_stx = func_stx; | |
4933 | } | |
4934 | ||
4935 | static void bnx2x_func_stats_base_update(struct bnx2x *bp) | |
4936 | { | |
4937 | struct dmae_command *dmae = &bp->stats_dmae; | |
4938 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
4939 | ||
4940 | /* sanity */ | |
4941 | if (!bp->func_stx) { | |
4942 | BNX2X_ERR("BUG!\n"); | |
4943 | return; | |
4944 | } | |
4945 | ||
4946 | bp->executer_idx = 0; | |
4947 | memset(dmae, 0, sizeof(struct dmae_command)); | |
4948 | ||
4949 | dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
4950 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
4951 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
4952 | #ifdef __BIG_ENDIAN | |
4953 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
4954 | #else | |
4955 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
4956 | #endif | |
4957 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
4958 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
4959 | dmae->src_addr_lo = bp->func_stx >> 2; | |
4960 | dmae->src_addr_hi = 0; | |
4961 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats_base)); | |
4962 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats_base)); | |
4963 | dmae->len = sizeof(struct host_func_stats) >> 2; | |
4964 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
4965 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
4966 | dmae->comp_val = DMAE_COMP_VAL; | |
4967 | ||
4968 | *stats_comp = 0; | |
4969 | bnx2x_hw_stats_post(bp); | |
4970 | bnx2x_stats_comp(bp); | |
4971 | } | |
4972 | ||
4973 | static void bnx2x_stats_init(struct bnx2x *bp) | |
4974 | { | |
4975 | int port = BP_PORT(bp); | |
4976 | int func = BP_FUNC(bp); | |
4977 | int i; | |
4978 | ||
4979 | bp->stats_pending = 0; | |
4980 | bp->executer_idx = 0; | |
4981 | bp->stats_counter = 0; | |
4982 | ||
4983 | /* port and func stats for management */ | |
4984 | if (!BP_NOMCP(bp)) { | |
4985 | bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx); | |
4986 | bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param); | |
4987 | ||
4988 | } else { | |
4989 | bp->port.port_stx = 0; | |
4990 | bp->func_stx = 0; | |
4991 | } | |
4992 | DP(BNX2X_MSG_STATS, "port_stx 0x%x func_stx 0x%x\n", | |
4993 | bp->port.port_stx, bp->func_stx); | |
4994 | ||
4995 | /* port stats */ | |
4996 | memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats)); | |
4997 | bp->port.old_nig_stats.brb_discard = | |
4998 | REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38); | |
4999 | bp->port.old_nig_stats.brb_truncate = | |
5000 | REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38); | |
5001 | REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50, | |
5002 | &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2); | |
5003 | REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50, | |
5004 | &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2); | |
5005 | ||
5006 | /* function stats */ | |
5007 | for_each_queue(bp, i) { | |
5008 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
5009 | ||
5010 | memset(&fp->old_tclient, 0, | |
5011 | sizeof(struct tstorm_per_client_stats)); | |
5012 | memset(&fp->old_uclient, 0, | |
5013 | sizeof(struct ustorm_per_client_stats)); | |
5014 | memset(&fp->old_xclient, 0, | |
5015 | sizeof(struct xstorm_per_client_stats)); | |
5016 | memset(&fp->eth_q_stats, 0, sizeof(struct bnx2x_eth_q_stats)); | |
5017 | } | |
5018 | ||
5019 | memset(&bp->dev->stats, 0, sizeof(struct net_device_stats)); | |
5020 | memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats)); | |
5021 | ||
5022 | bp->stats_state = STATS_STATE_DISABLED; | |
5023 | ||
5024 | if (bp->port.pmf) { | |
5025 | if (bp->port.port_stx) | |
5026 | bnx2x_port_stats_base_init(bp); | |
5027 | ||
5028 | if (bp->func_stx) | |
5029 | bnx2x_func_stats_base_init(bp); | |
5030 | ||
5031 | } else if (bp->func_stx) | |
5032 | bnx2x_func_stats_base_update(bp); | |
5033 | } | |
5034 | ||
5035 | static void bnx2x_timer(unsigned long data) | |
5036 | { | |
5037 | struct bnx2x *bp = (struct bnx2x *) data; | |
5038 | ||
5039 | if (!netif_running(bp->dev)) | |
5040 | return; | |
5041 | ||
5042 | if (atomic_read(&bp->intr_sem) != 0) | |
5043 | goto timer_restart; | |
5044 | ||
5045 | if (poll) { | |
5046 | struct bnx2x_fastpath *fp = &bp->fp[0]; | |
5047 | int rc; | |
5048 | ||
5049 | bnx2x_tx_int(fp); | |
5050 | rc = bnx2x_rx_int(fp, 1000); | |
5051 | } | |
5052 | ||
5053 | if (!BP_NOMCP(bp)) { | |
5054 | int func = BP_FUNC(bp); | |
5055 | u32 drv_pulse; | |
5056 | u32 mcp_pulse; | |
5057 | ||
5058 | ++bp->fw_drv_pulse_wr_seq; | |
5059 | bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK; | |
5060 | /* TBD - add SYSTEM_TIME */ | |
5061 | drv_pulse = bp->fw_drv_pulse_wr_seq; | |
5062 | SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse); | |
5063 | ||
5064 | mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) & | |
5065 | MCP_PULSE_SEQ_MASK); | |
5066 | /* The delta between driver pulse and mcp response | |
5067 | * should be 1 (before mcp response) or 0 (after mcp response) | |
5068 | */ | |
5069 | if ((drv_pulse != mcp_pulse) && | |
5070 | (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) { | |
5071 | /* someone lost a heartbeat... */ | |
5072 | BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n", | |
5073 | drv_pulse, mcp_pulse); | |
5074 | } | |
5075 | } | |
5076 | ||
5077 | if (bp->state == BNX2X_STATE_OPEN) | |
5078 | bnx2x_stats_handle(bp, STATS_EVENT_UPDATE); | |
5079 | ||
5080 | timer_restart: | |
5081 | mod_timer(&bp->timer, jiffies + bp->current_interval); | |
5082 | } | |
5083 | ||
5084 | /* end of Statistics */ | |
5085 | ||
5086 | /* nic init */ | |
5087 | ||
5088 | /* | |
5089 | * nic init service functions | |
5090 | */ | |
5091 | ||
5092 | static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id) | |
5093 | { | |
5094 | int port = BP_PORT(bp); | |
5095 | ||
5096 | /* "CSTORM" */ | |
5097 | bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY + | |
5098 | CSTORM_SB_HOST_STATUS_BLOCK_U_OFFSET(port, sb_id), 0, | |
5099 | CSTORM_SB_STATUS_BLOCK_U_SIZE / 4); | |
5100 | bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY + | |
5101 | CSTORM_SB_HOST_STATUS_BLOCK_C_OFFSET(port, sb_id), 0, | |
5102 | CSTORM_SB_STATUS_BLOCK_C_SIZE / 4); | |
5103 | } | |
5104 | ||
5105 | static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb, | |
5106 | dma_addr_t mapping, int sb_id) | |
5107 | { | |
5108 | int port = BP_PORT(bp); | |
5109 | int func = BP_FUNC(bp); | |
5110 | int index; | |
5111 | u64 section; | |
5112 | ||
5113 | /* USTORM */ | |
5114 | section = ((u64)mapping) + offsetof(struct host_status_block, | |
5115 | u_status_block); | |
5116 | sb->u_status_block.status_block_id = sb_id; | |
5117 | ||
5118 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5119 | CSTORM_SB_HOST_SB_ADDR_U_OFFSET(port, sb_id), U64_LO(section)); | |
5120 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5121 | ((CSTORM_SB_HOST_SB_ADDR_U_OFFSET(port, sb_id)) + 4), | |
5122 | U64_HI(section)); | |
5123 | REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_USB_FUNC_OFF + | |
5124 | CSTORM_SB_HOST_STATUS_BLOCK_U_OFFSET(port, sb_id), func); | |
5125 | ||
5126 | for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++) | |
5127 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
5128 | CSTORM_SB_HC_DISABLE_U_OFFSET(port, sb_id, index), 1); | |
5129 | ||
5130 | /* CSTORM */ | |
5131 | section = ((u64)mapping) + offsetof(struct host_status_block, | |
5132 | c_status_block); | |
5133 | sb->c_status_block.status_block_id = sb_id; | |
5134 | ||
5135 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5136 | CSTORM_SB_HOST_SB_ADDR_C_OFFSET(port, sb_id), U64_LO(section)); | |
5137 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5138 | ((CSTORM_SB_HOST_SB_ADDR_C_OFFSET(port, sb_id)) + 4), | |
5139 | U64_HI(section)); | |
5140 | REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF + | |
5141 | CSTORM_SB_HOST_STATUS_BLOCK_C_OFFSET(port, sb_id), func); | |
5142 | ||
5143 | for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++) | |
5144 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
5145 | CSTORM_SB_HC_DISABLE_C_OFFSET(port, sb_id, index), 1); | |
5146 | ||
5147 | bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
5148 | } | |
5149 | ||
5150 | static void bnx2x_zero_def_sb(struct bnx2x *bp) | |
5151 | { | |
5152 | int func = BP_FUNC(bp); | |
5153 | ||
5154 | bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY + | |
5155 | TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0, | |
5156 | sizeof(struct tstorm_def_status_block)/4); | |
5157 | bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY + | |
5158 | CSTORM_DEF_SB_HOST_STATUS_BLOCK_U_OFFSET(func), 0, | |
5159 | sizeof(struct cstorm_def_status_block_u)/4); | |
5160 | bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY + | |
5161 | CSTORM_DEF_SB_HOST_STATUS_BLOCK_C_OFFSET(func), 0, | |
5162 | sizeof(struct cstorm_def_status_block_c)/4); | |
5163 | bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY + | |
5164 | XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0, | |
5165 | sizeof(struct xstorm_def_status_block)/4); | |
5166 | } | |
5167 | ||
5168 | static void bnx2x_init_def_sb(struct bnx2x *bp, | |
5169 | struct host_def_status_block *def_sb, | |
5170 | dma_addr_t mapping, int sb_id) | |
5171 | { | |
5172 | int port = BP_PORT(bp); | |
5173 | int func = BP_FUNC(bp); | |
5174 | int index, val, reg_offset; | |
5175 | u64 section; | |
5176 | ||
5177 | /* ATTN */ | |
5178 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
5179 | atten_status_block); | |
5180 | def_sb->atten_status_block.status_block_id = sb_id; | |
5181 | ||
5182 | bp->attn_state = 0; | |
5183 | ||
5184 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : | |
5185 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); | |
5186 | ||
5187 | for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { | |
5188 | bp->attn_group[index].sig[0] = REG_RD(bp, | |
5189 | reg_offset + 0x10*index); | |
5190 | bp->attn_group[index].sig[1] = REG_RD(bp, | |
5191 | reg_offset + 0x4 + 0x10*index); | |
5192 | bp->attn_group[index].sig[2] = REG_RD(bp, | |
5193 | reg_offset + 0x8 + 0x10*index); | |
5194 | bp->attn_group[index].sig[3] = REG_RD(bp, | |
5195 | reg_offset + 0xc + 0x10*index); | |
5196 | } | |
5197 | ||
5198 | reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L : | |
5199 | HC_REG_ATTN_MSG0_ADDR_L); | |
5200 | ||
5201 | REG_WR(bp, reg_offset, U64_LO(section)); | |
5202 | REG_WR(bp, reg_offset + 4, U64_HI(section)); | |
5203 | ||
5204 | reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0); | |
5205 | ||
5206 | val = REG_RD(bp, reg_offset); | |
5207 | val |= sb_id; | |
5208 | REG_WR(bp, reg_offset, val); | |
5209 | ||
5210 | /* USTORM */ | |
5211 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
5212 | u_def_status_block); | |
5213 | def_sb->u_def_status_block.status_block_id = sb_id; | |
5214 | ||
5215 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5216 | CSTORM_DEF_SB_HOST_SB_ADDR_U_OFFSET(func), U64_LO(section)); | |
5217 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5218 | ((CSTORM_DEF_SB_HOST_SB_ADDR_U_OFFSET(func)) + 4), | |
5219 | U64_HI(section)); | |
5220 | REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_USB_FUNC_OFF + | |
5221 | CSTORM_DEF_SB_HOST_STATUS_BLOCK_U_OFFSET(func), func); | |
5222 | ||
5223 | for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++) | |
5224 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
5225 | CSTORM_DEF_SB_HC_DISABLE_U_OFFSET(func, index), 1); | |
5226 | ||
5227 | /* CSTORM */ | |
5228 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
5229 | c_def_status_block); | |
5230 | def_sb->c_def_status_block.status_block_id = sb_id; | |
5231 | ||
5232 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5233 | CSTORM_DEF_SB_HOST_SB_ADDR_C_OFFSET(func), U64_LO(section)); | |
5234 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
5235 | ((CSTORM_DEF_SB_HOST_SB_ADDR_C_OFFSET(func)) + 4), | |
5236 | U64_HI(section)); | |
5237 | REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF + | |
5238 | CSTORM_DEF_SB_HOST_STATUS_BLOCK_C_OFFSET(func), func); | |
5239 | ||
5240 | for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++) | |
5241 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
5242 | CSTORM_DEF_SB_HC_DISABLE_C_OFFSET(func, index), 1); | |
5243 | ||
5244 | /* TSTORM */ | |
5245 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
5246 | t_def_status_block); | |
5247 | def_sb->t_def_status_block.status_block_id = sb_id; | |
5248 | ||
5249 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5250 | TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section)); | |
5251 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5252 | ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4), | |
5253 | U64_HI(section)); | |
5254 | REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF + | |
5255 | TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func); | |
5256 | ||
5257 | for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++) | |
5258 | REG_WR16(bp, BAR_TSTRORM_INTMEM + | |
5259 | TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1); | |
5260 | ||
5261 | /* XSTORM */ | |
5262 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
5263 | x_def_status_block); | |
5264 | def_sb->x_def_status_block.status_block_id = sb_id; | |
5265 | ||
5266 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
5267 | XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section)); | |
5268 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
5269 | ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4), | |
5270 | U64_HI(section)); | |
5271 | REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF + | |
5272 | XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func); | |
5273 | ||
5274 | for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++) | |
5275 | REG_WR16(bp, BAR_XSTRORM_INTMEM + | |
5276 | XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1); | |
5277 | ||
5278 | bp->stats_pending = 0; | |
5279 | bp->set_mac_pending = 0; | |
5280 | ||
5281 | bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
5282 | } | |
5283 | ||
5284 | static void bnx2x_update_coalesce(struct bnx2x *bp) | |
5285 | { | |
5286 | int port = BP_PORT(bp); | |
5287 | int i; | |
5288 | ||
5289 | for_each_queue(bp, i) { | |
5290 | int sb_id = bp->fp[i].sb_id; | |
5291 | ||
5292 | /* HC_INDEX_U_ETH_RX_CQ_CONS */ | |
5293 | REG_WR8(bp, BAR_CSTRORM_INTMEM + | |
5294 | CSTORM_SB_HC_TIMEOUT_U_OFFSET(port, sb_id, | |
5295 | U_SB_ETH_RX_CQ_INDEX), | |
5296 | bp->rx_ticks/(4 * BNX2X_BTR)); | |
5297 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
5298 | CSTORM_SB_HC_DISABLE_U_OFFSET(port, sb_id, | |
5299 | U_SB_ETH_RX_CQ_INDEX), | |
5300 | (bp->rx_ticks/(4 * BNX2X_BTR)) ? 0 : 1); | |
5301 | ||
5302 | /* HC_INDEX_C_ETH_TX_CQ_CONS */ | |
5303 | REG_WR8(bp, BAR_CSTRORM_INTMEM + | |
5304 | CSTORM_SB_HC_TIMEOUT_C_OFFSET(port, sb_id, | |
5305 | C_SB_ETH_TX_CQ_INDEX), | |
5306 | bp->tx_ticks/(4 * BNX2X_BTR)); | |
5307 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
5308 | CSTORM_SB_HC_DISABLE_C_OFFSET(port, sb_id, | |
5309 | C_SB_ETH_TX_CQ_INDEX), | |
5310 | (bp->tx_ticks/(4 * BNX2X_BTR)) ? 0 : 1); | |
5311 | } | |
5312 | } | |
5313 | ||
5314 | static inline void bnx2x_free_tpa_pool(struct bnx2x *bp, | |
5315 | struct bnx2x_fastpath *fp, int last) | |
5316 | { | |
5317 | int i; | |
5318 | ||
5319 | for (i = 0; i < last; i++) { | |
5320 | struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]); | |
5321 | struct sk_buff *skb = rx_buf->skb; | |
5322 | ||
5323 | if (skb == NULL) { | |
5324 | DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i); | |
5325 | continue; | |
5326 | } | |
5327 | ||
5328 | if (fp->tpa_state[i] == BNX2X_TPA_START) | |
5329 | dma_unmap_single(&bp->pdev->dev, | |
5330 | dma_unmap_addr(rx_buf, mapping), | |
5331 | bp->rx_buf_size, DMA_FROM_DEVICE); | |
5332 | ||
5333 | dev_kfree_skb(skb); | |
5334 | rx_buf->skb = NULL; | |
5335 | } | |
5336 | } | |
5337 | ||
5338 | static void bnx2x_init_rx_rings(struct bnx2x *bp) | |
5339 | { | |
5340 | int func = BP_FUNC(bp); | |
5341 | int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 : | |
5342 | ETH_MAX_AGGREGATION_QUEUES_E1H; | |
5343 | u16 ring_prod, cqe_ring_prod; | |
5344 | int i, j; | |
5345 | ||
5346 | bp->rx_buf_size = bp->dev->mtu + ETH_OVREHEAD + BNX2X_RX_ALIGN; | |
5347 | DP(NETIF_MSG_IFUP, | |
5348 | "mtu %d rx_buf_size %d\n", bp->dev->mtu, bp->rx_buf_size); | |
5349 | ||
5350 | if (bp->flags & TPA_ENABLE_FLAG) { | |
5351 | ||
5352 | for_each_queue(bp, j) { | |
5353 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
5354 | ||
5355 | for (i = 0; i < max_agg_queues; i++) { | |
5356 | fp->tpa_pool[i].skb = | |
5357 | netdev_alloc_skb(bp->dev, bp->rx_buf_size); | |
5358 | if (!fp->tpa_pool[i].skb) { | |
5359 | BNX2X_ERR("Failed to allocate TPA " | |
5360 | "skb pool for queue[%d] - " | |
5361 | "disabling TPA on this " | |
5362 | "queue!\n", j); | |
5363 | bnx2x_free_tpa_pool(bp, fp, i); | |
5364 | fp->disable_tpa = 1; | |
5365 | break; | |
5366 | } | |
5367 | dma_unmap_addr_set((struct sw_rx_bd *) | |
5368 | &bp->fp->tpa_pool[i], | |
5369 | mapping, 0); | |
5370 | fp->tpa_state[i] = BNX2X_TPA_STOP; | |
5371 | } | |
5372 | } | |
5373 | } | |
5374 | ||
5375 | for_each_queue(bp, j) { | |
5376 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
5377 | ||
5378 | fp->rx_bd_cons = 0; | |
5379 | fp->rx_cons_sb = BNX2X_RX_SB_INDEX; | |
5380 | fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX; | |
5381 | ||
5382 | /* "next page" elements initialization */ | |
5383 | /* SGE ring */ | |
5384 | for (i = 1; i <= NUM_RX_SGE_PAGES; i++) { | |
5385 | struct eth_rx_sge *sge; | |
5386 | ||
5387 | sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2]; | |
5388 | sge->addr_hi = | |
5389 | cpu_to_le32(U64_HI(fp->rx_sge_mapping + | |
5390 | BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES))); | |
5391 | sge->addr_lo = | |
5392 | cpu_to_le32(U64_LO(fp->rx_sge_mapping + | |
5393 | BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES))); | |
5394 | } | |
5395 | ||
5396 | bnx2x_init_sge_ring_bit_mask(fp); | |
5397 | ||
5398 | /* RX BD ring */ | |
5399 | for (i = 1; i <= NUM_RX_RINGS; i++) { | |
5400 | struct eth_rx_bd *rx_bd; | |
5401 | ||
5402 | rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2]; | |
5403 | rx_bd->addr_hi = | |
5404 | cpu_to_le32(U64_HI(fp->rx_desc_mapping + | |
5405 | BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); | |
5406 | rx_bd->addr_lo = | |
5407 | cpu_to_le32(U64_LO(fp->rx_desc_mapping + | |
5408 | BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); | |
5409 | } | |
5410 | ||
5411 | /* CQ ring */ | |
5412 | for (i = 1; i <= NUM_RCQ_RINGS; i++) { | |
5413 | struct eth_rx_cqe_next_page *nextpg; | |
5414 | ||
5415 | nextpg = (struct eth_rx_cqe_next_page *) | |
5416 | &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1]; | |
5417 | nextpg->addr_hi = | |
5418 | cpu_to_le32(U64_HI(fp->rx_comp_mapping + | |
5419 | BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); | |
5420 | nextpg->addr_lo = | |
5421 | cpu_to_le32(U64_LO(fp->rx_comp_mapping + | |
5422 | BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); | |
5423 | } | |
5424 | ||
5425 | /* Allocate SGEs and initialize the ring elements */ | |
5426 | for (i = 0, ring_prod = 0; | |
5427 | i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) { | |
5428 | ||
5429 | if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) { | |
5430 | BNX2X_ERR("was only able to allocate " | |
5431 | "%d rx sges\n", i); | |
5432 | BNX2X_ERR("disabling TPA for queue[%d]\n", j); | |
5433 | /* Cleanup already allocated elements */ | |
5434 | bnx2x_free_rx_sge_range(bp, fp, ring_prod); | |
5435 | bnx2x_free_tpa_pool(bp, fp, max_agg_queues); | |
5436 | fp->disable_tpa = 1; | |
5437 | ring_prod = 0; | |
5438 | break; | |
5439 | } | |
5440 | ring_prod = NEXT_SGE_IDX(ring_prod); | |
5441 | } | |
5442 | fp->rx_sge_prod = ring_prod; | |
5443 | ||
5444 | /* Allocate BDs and initialize BD ring */ | |
5445 | fp->rx_comp_cons = 0; | |
5446 | cqe_ring_prod = ring_prod = 0; | |
5447 | for (i = 0; i < bp->rx_ring_size; i++) { | |
5448 | if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) { | |
5449 | BNX2X_ERR("was only able to allocate " | |
5450 | "%d rx skbs on queue[%d]\n", i, j); | |
5451 | fp->eth_q_stats.rx_skb_alloc_failed++; | |
5452 | break; | |
5453 | } | |
5454 | ring_prod = NEXT_RX_IDX(ring_prod); | |
5455 | cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod); | |
5456 | WARN_ON(ring_prod <= i); | |
5457 | } | |
5458 | ||
5459 | fp->rx_bd_prod = ring_prod; | |
5460 | /* must not have more available CQEs than BDs */ | |
5461 | fp->rx_comp_prod = min_t(u16, NUM_RCQ_RINGS*RCQ_DESC_CNT, | |
5462 | cqe_ring_prod); | |
5463 | fp->rx_pkt = fp->rx_calls = 0; | |
5464 | ||
5465 | /* Warning! | |
5466 | * this will generate an interrupt (to the TSTORM) | |
5467 | * must only be done after chip is initialized | |
5468 | */ | |
5469 | bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod, | |
5470 | fp->rx_sge_prod); | |
5471 | if (j != 0) | |
5472 | continue; | |
5473 | ||
5474 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5475 | USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func), | |
5476 | U64_LO(fp->rx_comp_mapping)); | |
5477 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5478 | USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4, | |
5479 | U64_HI(fp->rx_comp_mapping)); | |
5480 | } | |
5481 | } | |
5482 | ||
5483 | static void bnx2x_init_tx_ring(struct bnx2x *bp) | |
5484 | { | |
5485 | int i, j; | |
5486 | ||
5487 | for_each_queue(bp, j) { | |
5488 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
5489 | ||
5490 | for (i = 1; i <= NUM_TX_RINGS; i++) { | |
5491 | struct eth_tx_next_bd *tx_next_bd = | |
5492 | &fp->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd; | |
5493 | ||
5494 | tx_next_bd->addr_hi = | |
5495 | cpu_to_le32(U64_HI(fp->tx_desc_mapping + | |
5496 | BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); | |
5497 | tx_next_bd->addr_lo = | |
5498 | cpu_to_le32(U64_LO(fp->tx_desc_mapping + | |
5499 | BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); | |
5500 | } | |
5501 | ||
5502 | fp->tx_db.data.header.header = DOORBELL_HDR_DB_TYPE; | |
5503 | fp->tx_db.data.zero_fill1 = 0; | |
5504 | fp->tx_db.data.prod = 0; | |
5505 | ||
5506 | fp->tx_pkt_prod = 0; | |
5507 | fp->tx_pkt_cons = 0; | |
5508 | fp->tx_bd_prod = 0; | |
5509 | fp->tx_bd_cons = 0; | |
5510 | fp->tx_cons_sb = BNX2X_TX_SB_INDEX; | |
5511 | fp->tx_pkt = 0; | |
5512 | } | |
5513 | } | |
5514 | ||
5515 | static void bnx2x_init_sp_ring(struct bnx2x *bp) | |
5516 | { | |
5517 | int func = BP_FUNC(bp); | |
5518 | ||
5519 | spin_lock_init(&bp->spq_lock); | |
5520 | ||
5521 | bp->spq_left = MAX_SPQ_PENDING; | |
5522 | bp->spq_prod_idx = 0; | |
5523 | bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX; | |
5524 | bp->spq_prod_bd = bp->spq; | |
5525 | bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT; | |
5526 | ||
5527 | REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func), | |
5528 | U64_LO(bp->spq_mapping)); | |
5529 | REG_WR(bp, | |
5530 | XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4, | |
5531 | U64_HI(bp->spq_mapping)); | |
5532 | ||
5533 | REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func), | |
5534 | bp->spq_prod_idx); | |
5535 | } | |
5536 | ||
5537 | static void bnx2x_init_context(struct bnx2x *bp) | |
5538 | { | |
5539 | int i; | |
5540 | ||
5541 | /* Rx */ | |
5542 | for_each_queue(bp, i) { | |
5543 | struct eth_context *context = bnx2x_sp(bp, context[i].eth); | |
5544 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
5545 | u8 cl_id = fp->cl_id; | |
5546 | ||
5547 | context->ustorm_st_context.common.sb_index_numbers = | |
5548 | BNX2X_RX_SB_INDEX_NUM; | |
5549 | context->ustorm_st_context.common.clientId = cl_id; | |
5550 | context->ustorm_st_context.common.status_block_id = fp->sb_id; | |
5551 | context->ustorm_st_context.common.flags = | |
5552 | (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT | | |
5553 | USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_STATISTICS); | |
5554 | context->ustorm_st_context.common.statistics_counter_id = | |
5555 | cl_id; | |
5556 | context->ustorm_st_context.common.mc_alignment_log_size = | |
5557 | BNX2X_RX_ALIGN_SHIFT; | |
5558 | context->ustorm_st_context.common.bd_buff_size = | |
5559 | bp->rx_buf_size; | |
5560 | context->ustorm_st_context.common.bd_page_base_hi = | |
5561 | U64_HI(fp->rx_desc_mapping); | |
5562 | context->ustorm_st_context.common.bd_page_base_lo = | |
5563 | U64_LO(fp->rx_desc_mapping); | |
5564 | if (!fp->disable_tpa) { | |
5565 | context->ustorm_st_context.common.flags |= | |
5566 | USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA; | |
5567 | context->ustorm_st_context.common.sge_buff_size = | |
5568 | (u16)min_t(u32, SGE_PAGE_SIZE*PAGES_PER_SGE, | |
5569 | 0xffff); | |
5570 | context->ustorm_st_context.common.sge_page_base_hi = | |
5571 | U64_HI(fp->rx_sge_mapping); | |
5572 | context->ustorm_st_context.common.sge_page_base_lo = | |
5573 | U64_LO(fp->rx_sge_mapping); | |
5574 | ||
5575 | context->ustorm_st_context.common.max_sges_for_packet = | |
5576 | SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; | |
5577 | context->ustorm_st_context.common.max_sges_for_packet = | |
5578 | ((context->ustorm_st_context.common. | |
5579 | max_sges_for_packet + PAGES_PER_SGE - 1) & | |
5580 | (~(PAGES_PER_SGE - 1))) >> PAGES_PER_SGE_SHIFT; | |
5581 | } | |
5582 | ||
5583 | context->ustorm_ag_context.cdu_usage = | |
5584 | CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), | |
5585 | CDU_REGION_NUMBER_UCM_AG, | |
5586 | ETH_CONNECTION_TYPE); | |
5587 | ||
5588 | context->xstorm_ag_context.cdu_reserved = | |
5589 | CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), | |
5590 | CDU_REGION_NUMBER_XCM_AG, | |
5591 | ETH_CONNECTION_TYPE); | |
5592 | } | |
5593 | ||
5594 | /* Tx */ | |
5595 | for_each_queue(bp, i) { | |
5596 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
5597 | struct eth_context *context = | |
5598 | bnx2x_sp(bp, context[i].eth); | |
5599 | ||
5600 | context->cstorm_st_context.sb_index_number = | |
5601 | C_SB_ETH_TX_CQ_INDEX; | |
5602 | context->cstorm_st_context.status_block_id = fp->sb_id; | |
5603 | ||
5604 | context->xstorm_st_context.tx_bd_page_base_hi = | |
5605 | U64_HI(fp->tx_desc_mapping); | |
5606 | context->xstorm_st_context.tx_bd_page_base_lo = | |
5607 | U64_LO(fp->tx_desc_mapping); | |
5608 | context->xstorm_st_context.statistics_data = (fp->cl_id | | |
5609 | XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE); | |
5610 | } | |
5611 | } | |
5612 | ||
5613 | static void bnx2x_init_ind_table(struct bnx2x *bp) | |
5614 | { | |
5615 | int func = BP_FUNC(bp); | |
5616 | int i; | |
5617 | ||
5618 | if (bp->multi_mode == ETH_RSS_MODE_DISABLED) | |
5619 | return; | |
5620 | ||
5621 | DP(NETIF_MSG_IFUP, | |
5622 | "Initializing indirection table multi_mode %d\n", bp->multi_mode); | |
5623 | for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++) | |
5624 | REG_WR8(bp, BAR_TSTRORM_INTMEM + | |
5625 | TSTORM_INDIRECTION_TABLE_OFFSET(func) + i, | |
5626 | bp->fp->cl_id + (i % bp->num_queues)); | |
5627 | } | |
5628 | ||
5629 | static void bnx2x_set_client_config(struct bnx2x *bp) | |
5630 | { | |
5631 | struct tstorm_eth_client_config tstorm_client = {0}; | |
5632 | int port = BP_PORT(bp); | |
5633 | int i; | |
5634 | ||
5635 | tstorm_client.mtu = bp->dev->mtu; | |
5636 | tstorm_client.config_flags = | |
5637 | (TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE | | |
5638 | TSTORM_ETH_CLIENT_CONFIG_E1HOV_REM_ENABLE); | |
5639 | #ifdef BCM_VLAN | |
5640 | if (bp->rx_mode && bp->vlgrp && (bp->flags & HW_VLAN_RX_FLAG)) { | |
5641 | tstorm_client.config_flags |= | |
5642 | TSTORM_ETH_CLIENT_CONFIG_VLAN_REM_ENABLE; | |
5643 | DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); | |
5644 | } | |
5645 | #endif | |
5646 | ||
5647 | for_each_queue(bp, i) { | |
5648 | tstorm_client.statistics_counter_id = bp->fp[i].cl_id; | |
5649 | ||
5650 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5651 | TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id), | |
5652 | ((u32 *)&tstorm_client)[0]); | |
5653 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5654 | TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4, | |
5655 | ((u32 *)&tstorm_client)[1]); | |
5656 | } | |
5657 | ||
5658 | DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n", | |
5659 | ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]); | |
5660 | } | |
5661 | ||
5662 | static void bnx2x_set_storm_rx_mode(struct bnx2x *bp) | |
5663 | { | |
5664 | struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0}; | |
5665 | int mode = bp->rx_mode; | |
5666 | int mask = bp->rx_mode_cl_mask; | |
5667 | int func = BP_FUNC(bp); | |
5668 | int port = BP_PORT(bp); | |
5669 | int i; | |
5670 | /* All but management unicast packets should pass to the host as well */ | |
5671 | u32 llh_mask = | |
5672 | NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST | | |
5673 | NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST | | |
5674 | NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN | | |
5675 | NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN; | |
5676 | ||
5677 | DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask); | |
5678 | ||
5679 | switch (mode) { | |
5680 | case BNX2X_RX_MODE_NONE: /* no Rx */ | |
5681 | tstorm_mac_filter.ucast_drop_all = mask; | |
5682 | tstorm_mac_filter.mcast_drop_all = mask; | |
5683 | tstorm_mac_filter.bcast_drop_all = mask; | |
5684 | break; | |
5685 | ||
5686 | case BNX2X_RX_MODE_NORMAL: | |
5687 | tstorm_mac_filter.bcast_accept_all = mask; | |
5688 | break; | |
5689 | ||
5690 | case BNX2X_RX_MODE_ALLMULTI: | |
5691 | tstorm_mac_filter.mcast_accept_all = mask; | |
5692 | tstorm_mac_filter.bcast_accept_all = mask; | |
5693 | break; | |
5694 | ||
5695 | case BNX2X_RX_MODE_PROMISC: | |
5696 | tstorm_mac_filter.ucast_accept_all = mask; | |
5697 | tstorm_mac_filter.mcast_accept_all = mask; | |
5698 | tstorm_mac_filter.bcast_accept_all = mask; | |
5699 | /* pass management unicast packets as well */ | |
5700 | llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST; | |
5701 | break; | |
5702 | ||
5703 | default: | |
5704 | BNX2X_ERR("BAD rx mode (%d)\n", mode); | |
5705 | break; | |
5706 | } | |
5707 | ||
5708 | REG_WR(bp, | |
5709 | (port ? NIG_REG_LLH1_BRB1_DRV_MASK : NIG_REG_LLH0_BRB1_DRV_MASK), | |
5710 | llh_mask); | |
5711 | ||
5712 | for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) { | |
5713 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5714 | TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4, | |
5715 | ((u32 *)&tstorm_mac_filter)[i]); | |
5716 | ||
5717 | /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i, | |
5718 | ((u32 *)&tstorm_mac_filter)[i]); */ | |
5719 | } | |
5720 | ||
5721 | if (mode != BNX2X_RX_MODE_NONE) | |
5722 | bnx2x_set_client_config(bp); | |
5723 | } | |
5724 | ||
5725 | static void bnx2x_init_internal_common(struct bnx2x *bp) | |
5726 | { | |
5727 | int i; | |
5728 | ||
5729 | /* Zero this manually as its initialization is | |
5730 | currently missing in the initTool */ | |
5731 | for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++) | |
5732 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5733 | USTORM_AGG_DATA_OFFSET + i * 4, 0); | |
5734 | } | |
5735 | ||
5736 | static void bnx2x_init_internal_port(struct bnx2x *bp) | |
5737 | { | |
5738 | int port = BP_PORT(bp); | |
5739 | ||
5740 | REG_WR(bp, | |
5741 | BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_U_OFFSET(port), BNX2X_BTR); | |
5742 | REG_WR(bp, | |
5743 | BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_C_OFFSET(port), BNX2X_BTR); | |
5744 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR); | |
5745 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR); | |
5746 | } | |
5747 | ||
5748 | static void bnx2x_init_internal_func(struct bnx2x *bp) | |
5749 | { | |
5750 | struct tstorm_eth_function_common_config tstorm_config = {0}; | |
5751 | struct stats_indication_flags stats_flags = {0}; | |
5752 | int port = BP_PORT(bp); | |
5753 | int func = BP_FUNC(bp); | |
5754 | int i, j; | |
5755 | u32 offset; | |
5756 | u16 max_agg_size; | |
5757 | ||
5758 | tstorm_config.config_flags = RSS_FLAGS(bp); | |
5759 | ||
5760 | if (is_multi(bp)) | |
5761 | tstorm_config.rss_result_mask = MULTI_MASK; | |
5762 | ||
5763 | /* Enable TPA if needed */ | |
5764 | if (bp->flags & TPA_ENABLE_FLAG) | |
5765 | tstorm_config.config_flags |= | |
5766 | TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA; | |
5767 | ||
5768 | if (IS_E1HMF(bp)) | |
5769 | tstorm_config.config_flags |= | |
5770 | TSTORM_ETH_FUNCTION_COMMON_CONFIG_E1HOV_IN_CAM; | |
5771 | ||
5772 | tstorm_config.leading_client_id = BP_L_ID(bp); | |
5773 | ||
5774 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5775 | TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func), | |
5776 | (*(u32 *)&tstorm_config)); | |
5777 | ||
5778 | bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */ | |
5779 | bp->rx_mode_cl_mask = (1 << BP_L_ID(bp)); | |
5780 | bnx2x_set_storm_rx_mode(bp); | |
5781 | ||
5782 | for_each_queue(bp, i) { | |
5783 | u8 cl_id = bp->fp[i].cl_id; | |
5784 | ||
5785 | /* reset xstorm per client statistics */ | |
5786 | offset = BAR_XSTRORM_INTMEM + | |
5787 | XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cl_id); | |
5788 | for (j = 0; | |
5789 | j < sizeof(struct xstorm_per_client_stats) / 4; j++) | |
5790 | REG_WR(bp, offset + j*4, 0); | |
5791 | ||
5792 | /* reset tstorm per client statistics */ | |
5793 | offset = BAR_TSTRORM_INTMEM + | |
5794 | TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cl_id); | |
5795 | for (j = 0; | |
5796 | j < sizeof(struct tstorm_per_client_stats) / 4; j++) | |
5797 | REG_WR(bp, offset + j*4, 0); | |
5798 | ||
5799 | /* reset ustorm per client statistics */ | |
5800 | offset = BAR_USTRORM_INTMEM + | |
5801 | USTORM_PER_COUNTER_ID_STATS_OFFSET(port, cl_id); | |
5802 | for (j = 0; | |
5803 | j < sizeof(struct ustorm_per_client_stats) / 4; j++) | |
5804 | REG_WR(bp, offset + j*4, 0); | |
5805 | } | |
5806 | ||
5807 | /* Init statistics related context */ | |
5808 | stats_flags.collect_eth = 1; | |
5809 | ||
5810 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func), | |
5811 | ((u32 *)&stats_flags)[0]); | |
5812 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4, | |
5813 | ((u32 *)&stats_flags)[1]); | |
5814 | ||
5815 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func), | |
5816 | ((u32 *)&stats_flags)[0]); | |
5817 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4, | |
5818 | ((u32 *)&stats_flags)[1]); | |
5819 | ||
5820 | REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(func), | |
5821 | ((u32 *)&stats_flags)[0]); | |
5822 | REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(func) + 4, | |
5823 | ((u32 *)&stats_flags)[1]); | |
5824 | ||
5825 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func), | |
5826 | ((u32 *)&stats_flags)[0]); | |
5827 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4, | |
5828 | ((u32 *)&stats_flags)[1]); | |
5829 | ||
5830 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
5831 | XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func), | |
5832 | U64_LO(bnx2x_sp_mapping(bp, fw_stats))); | |
5833 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
5834 | XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4, | |
5835 | U64_HI(bnx2x_sp_mapping(bp, fw_stats))); | |
5836 | ||
5837 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5838 | TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func), | |
5839 | U64_LO(bnx2x_sp_mapping(bp, fw_stats))); | |
5840 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
5841 | TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4, | |
5842 | U64_HI(bnx2x_sp_mapping(bp, fw_stats))); | |
5843 | ||
5844 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5845 | USTORM_ETH_STATS_QUERY_ADDR_OFFSET(func), | |
5846 | U64_LO(bnx2x_sp_mapping(bp, fw_stats))); | |
5847 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5848 | USTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4, | |
5849 | U64_HI(bnx2x_sp_mapping(bp, fw_stats))); | |
5850 | ||
5851 | if (CHIP_IS_E1H(bp)) { | |
5852 | REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET, | |
5853 | IS_E1HMF(bp)); | |
5854 | REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET, | |
5855 | IS_E1HMF(bp)); | |
5856 | REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET, | |
5857 | IS_E1HMF(bp)); | |
5858 | REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET, | |
5859 | IS_E1HMF(bp)); | |
5860 | ||
5861 | REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func), | |
5862 | bp->e1hov); | |
5863 | } | |
5864 | ||
5865 | /* Init CQ ring mapping and aggregation size, the FW limit is 8 frags */ | |
5866 | max_agg_size = min_t(u32, (min_t(u32, 8, MAX_SKB_FRAGS) * | |
5867 | SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff); | |
5868 | for_each_queue(bp, i) { | |
5869 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
5870 | ||
5871 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5872 | USTORM_CQE_PAGE_BASE_OFFSET(port, fp->cl_id), | |
5873 | U64_LO(fp->rx_comp_mapping)); | |
5874 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5875 | USTORM_CQE_PAGE_BASE_OFFSET(port, fp->cl_id) + 4, | |
5876 | U64_HI(fp->rx_comp_mapping)); | |
5877 | ||
5878 | /* Next page */ | |
5879 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5880 | USTORM_CQE_PAGE_NEXT_OFFSET(port, fp->cl_id), | |
5881 | U64_LO(fp->rx_comp_mapping + BCM_PAGE_SIZE)); | |
5882 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
5883 | USTORM_CQE_PAGE_NEXT_OFFSET(port, fp->cl_id) + 4, | |
5884 | U64_HI(fp->rx_comp_mapping + BCM_PAGE_SIZE)); | |
5885 | ||
5886 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
5887 | USTORM_MAX_AGG_SIZE_OFFSET(port, fp->cl_id), | |
5888 | max_agg_size); | |
5889 | } | |
5890 | ||
5891 | /* dropless flow control */ | |
5892 | if (CHIP_IS_E1H(bp)) { | |
5893 | struct ustorm_eth_rx_pause_data_e1h rx_pause = {0}; | |
5894 | ||
5895 | rx_pause.bd_thr_low = 250; | |
5896 | rx_pause.cqe_thr_low = 250; | |
5897 | rx_pause.cos = 1; | |
5898 | rx_pause.sge_thr_low = 0; | |
5899 | rx_pause.bd_thr_high = 350; | |
5900 | rx_pause.cqe_thr_high = 350; | |
5901 | rx_pause.sge_thr_high = 0; | |
5902 | ||
5903 | for_each_queue(bp, i) { | |
5904 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
5905 | ||
5906 | if (!fp->disable_tpa) { | |
5907 | rx_pause.sge_thr_low = 150; | |
5908 | rx_pause.sge_thr_high = 250; | |
5909 | } | |
5910 | ||
5911 | ||
5912 | offset = BAR_USTRORM_INTMEM + | |
5913 | USTORM_ETH_RING_PAUSE_DATA_OFFSET(port, | |
5914 | fp->cl_id); | |
5915 | for (j = 0; | |
5916 | j < sizeof(struct ustorm_eth_rx_pause_data_e1h)/4; | |
5917 | j++) | |
5918 | REG_WR(bp, offset + j*4, | |
5919 | ((u32 *)&rx_pause)[j]); | |
5920 | } | |
5921 | } | |
5922 | ||
5923 | memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port)); | |
5924 | ||
5925 | /* Init rate shaping and fairness contexts */ | |
5926 | if (IS_E1HMF(bp)) { | |
5927 | int vn; | |
5928 | ||
5929 | /* During init there is no active link | |
5930 | Until link is up, set link rate to 10Gbps */ | |
5931 | bp->link_vars.line_speed = SPEED_10000; | |
5932 | bnx2x_init_port_minmax(bp); | |
5933 | ||
5934 | if (!BP_NOMCP(bp)) | |
5935 | bp->mf_config = | |
5936 | SHMEM_RD(bp, mf_cfg.func_mf_config[func].config); | |
5937 | bnx2x_calc_vn_weight_sum(bp); | |
5938 | ||
5939 | for (vn = VN_0; vn < E1HVN_MAX; vn++) | |
5940 | bnx2x_init_vn_minmax(bp, 2*vn + port); | |
5941 | ||
5942 | /* Enable rate shaping and fairness */ | |
5943 | bp->cmng.flags.cmng_enables |= | |
5944 | CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN; | |
5945 | ||
5946 | } else { | |
5947 | /* rate shaping and fairness are disabled */ | |
5948 | DP(NETIF_MSG_IFUP, | |
5949 | "single function mode minmax will be disabled\n"); | |
5950 | } | |
5951 | ||
5952 | ||
5953 | /* Store cmng structures to internal memory */ | |
5954 | if (bp->port.pmf) | |
5955 | for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++) | |
5956 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
5957 | XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4, | |
5958 | ((u32 *)(&bp->cmng))[i]); | |
5959 | } | |
5960 | ||
5961 | static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code) | |
5962 | { | |
5963 | switch (load_code) { | |
5964 | case FW_MSG_CODE_DRV_LOAD_COMMON: | |
5965 | bnx2x_init_internal_common(bp); | |
5966 | /* no break */ | |
5967 | ||
5968 | case FW_MSG_CODE_DRV_LOAD_PORT: | |
5969 | bnx2x_init_internal_port(bp); | |
5970 | /* no break */ | |
5971 | ||
5972 | case FW_MSG_CODE_DRV_LOAD_FUNCTION: | |
5973 | bnx2x_init_internal_func(bp); | |
5974 | break; | |
5975 | ||
5976 | default: | |
5977 | BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code); | |
5978 | break; | |
5979 | } | |
5980 | } | |
5981 | ||
5982 | static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code) | |
5983 | { | |
5984 | int i; | |
5985 | ||
5986 | for_each_queue(bp, i) { | |
5987 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
5988 | ||
5989 | fp->bp = bp; | |
5990 | fp->state = BNX2X_FP_STATE_CLOSED; | |
5991 | fp->index = i; | |
5992 | fp->cl_id = BP_L_ID(bp) + i; | |
5993 | #ifdef BCM_CNIC | |
5994 | fp->sb_id = fp->cl_id + 1; | |
5995 | #else | |
5996 | fp->sb_id = fp->cl_id; | |
5997 | #endif | |
5998 | DP(NETIF_MSG_IFUP, | |
5999 | "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d sb %d\n", | |
6000 | i, bp, fp->status_blk, fp->cl_id, fp->sb_id); | |
6001 | bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping, | |
6002 | fp->sb_id); | |
6003 | bnx2x_update_fpsb_idx(fp); | |
6004 | } | |
6005 | ||
6006 | /* ensure status block indices were read */ | |
6007 | rmb(); | |
6008 | ||
6009 | ||
6010 | bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping, | |
6011 | DEF_SB_ID); | |
6012 | bnx2x_update_dsb_idx(bp); | |
6013 | bnx2x_update_coalesce(bp); | |
6014 | bnx2x_init_rx_rings(bp); | |
6015 | bnx2x_init_tx_ring(bp); | |
6016 | bnx2x_init_sp_ring(bp); | |
6017 | bnx2x_init_context(bp); | |
6018 | bnx2x_init_internal(bp, load_code); | |
6019 | bnx2x_init_ind_table(bp); | |
6020 | bnx2x_stats_init(bp); | |
6021 | ||
6022 | /* At this point, we are ready for interrupts */ | |
6023 | atomic_set(&bp->intr_sem, 0); | |
6024 | ||
6025 | /* flush all before enabling interrupts */ | |
6026 | mb(); | |
6027 | mmiowb(); | |
6028 | ||
6029 | bnx2x_int_enable(bp); | |
6030 | ||
6031 | /* Check for SPIO5 */ | |
6032 | bnx2x_attn_int_deasserted0(bp, | |
6033 | REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) & | |
6034 | AEU_INPUTS_ATTN_BITS_SPIO5); | |
6035 | } | |
6036 | ||
6037 | /* end of nic init */ | |
6038 | ||
6039 | /* | |
6040 | * gzip service functions | |
6041 | */ | |
6042 | ||
6043 | static int bnx2x_gunzip_init(struct bnx2x *bp) | |
6044 | { | |
6045 | bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE, | |
6046 | &bp->gunzip_mapping, GFP_KERNEL); | |
6047 | if (bp->gunzip_buf == NULL) | |
6048 | goto gunzip_nomem1; | |
6049 | ||
6050 | bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL); | |
6051 | if (bp->strm == NULL) | |
6052 | goto gunzip_nomem2; | |
6053 | ||
6054 | bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), | |
6055 | GFP_KERNEL); | |
6056 | if (bp->strm->workspace == NULL) | |
6057 | goto gunzip_nomem3; | |
6058 | ||
6059 | return 0; | |
6060 | ||
6061 | gunzip_nomem3: | |
6062 | kfree(bp->strm); | |
6063 | bp->strm = NULL; | |
6064 | ||
6065 | gunzip_nomem2: | |
6066 | dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf, | |
6067 | bp->gunzip_mapping); | |
6068 | bp->gunzip_buf = NULL; | |
6069 | ||
6070 | gunzip_nomem1: | |
6071 | netdev_err(bp->dev, "Cannot allocate firmware buffer for" | |
6072 | " un-compression\n"); | |
6073 | return -ENOMEM; | |
6074 | } | |
6075 | ||
6076 | static void bnx2x_gunzip_end(struct bnx2x *bp) | |
6077 | { | |
6078 | kfree(bp->strm->workspace); | |
6079 | ||
6080 | kfree(bp->strm); | |
6081 | bp->strm = NULL; | |
6082 | ||
6083 | if (bp->gunzip_buf) { | |
6084 | dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf, | |
6085 | bp->gunzip_mapping); | |
6086 | bp->gunzip_buf = NULL; | |
6087 | } | |
6088 | } | |
6089 | ||
6090 | static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len) | |
6091 | { | |
6092 | int n, rc; | |
6093 | ||
6094 | /* check gzip header */ | |
6095 | if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) { | |
6096 | BNX2X_ERR("Bad gzip header\n"); | |
6097 | return -EINVAL; | |
6098 | } | |
6099 | ||
6100 | n = 10; | |
6101 | ||
6102 | #define FNAME 0x8 | |
6103 | ||
6104 | if (zbuf[3] & FNAME) | |
6105 | while ((zbuf[n++] != 0) && (n < len)); | |
6106 | ||
6107 | bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n; | |
6108 | bp->strm->avail_in = len - n; | |
6109 | bp->strm->next_out = bp->gunzip_buf; | |
6110 | bp->strm->avail_out = FW_BUF_SIZE; | |
6111 | ||
6112 | rc = zlib_inflateInit2(bp->strm, -MAX_WBITS); | |
6113 | if (rc != Z_OK) | |
6114 | return rc; | |
6115 | ||
6116 | rc = zlib_inflate(bp->strm, Z_FINISH); | |
6117 | if ((rc != Z_OK) && (rc != Z_STREAM_END)) | |
6118 | netdev_err(bp->dev, "Firmware decompression error: %s\n", | |
6119 | bp->strm->msg); | |
6120 | ||
6121 | bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out); | |
6122 | if (bp->gunzip_outlen & 0x3) | |
6123 | netdev_err(bp->dev, "Firmware decompression error:" | |
6124 | " gunzip_outlen (%d) not aligned\n", | |
6125 | bp->gunzip_outlen); | |
6126 | bp->gunzip_outlen >>= 2; | |
6127 | ||
6128 | zlib_inflateEnd(bp->strm); | |
6129 | ||
6130 | if (rc == Z_STREAM_END) | |
6131 | return 0; | |
6132 | ||
6133 | return rc; | |
6134 | } | |
6135 | ||
6136 | /* nic load/unload */ | |
6137 | ||
6138 | /* | |
6139 | * General service functions | |
6140 | */ | |
6141 | ||
6142 | /* send a NIG loopback debug packet */ | |
6143 | static void bnx2x_lb_pckt(struct bnx2x *bp) | |
6144 | { | |
6145 | u32 wb_write[3]; | |
6146 | ||
6147 | /* Ethernet source and destination addresses */ | |
6148 | wb_write[0] = 0x55555555; | |
6149 | wb_write[1] = 0x55555555; | |
6150 | wb_write[2] = 0x20; /* SOP */ | |
6151 | REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); | |
6152 | ||
6153 | /* NON-IP protocol */ | |
6154 | wb_write[0] = 0x09000000; | |
6155 | wb_write[1] = 0x55555555; | |
6156 | wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */ | |
6157 | REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); | |
6158 | } | |
6159 | ||
6160 | /* some of the internal memories | |
6161 | * are not directly readable from the driver | |
6162 | * to test them we send debug packets | |
6163 | */ | |
6164 | static int bnx2x_int_mem_test(struct bnx2x *bp) | |
6165 | { | |
6166 | int factor; | |
6167 | int count, i; | |
6168 | u32 val = 0; | |
6169 | ||
6170 | if (CHIP_REV_IS_FPGA(bp)) | |
6171 | factor = 120; | |
6172 | else if (CHIP_REV_IS_EMUL(bp)) | |
6173 | factor = 200; | |
6174 | else | |
6175 | factor = 1; | |
6176 | ||
6177 | DP(NETIF_MSG_HW, "start part1\n"); | |
6178 | ||
6179 | /* Disable inputs of parser neighbor blocks */ | |
6180 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); | |
6181 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); | |
6182 | REG_WR(bp, CFC_REG_DEBUG0, 0x1); | |
6183 | REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0); | |
6184 | ||
6185 | /* Write 0 to parser credits for CFC search request */ | |
6186 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); | |
6187 | ||
6188 | /* send Ethernet packet */ | |
6189 | bnx2x_lb_pckt(bp); | |
6190 | ||
6191 | /* TODO do i reset NIG statistic? */ | |
6192 | /* Wait until NIG register shows 1 packet of size 0x10 */ | |
6193 | count = 1000 * factor; | |
6194 | while (count) { | |
6195 | ||
6196 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
6197 | val = *bnx2x_sp(bp, wb_data[0]); | |
6198 | if (val == 0x10) | |
6199 | break; | |
6200 | ||
6201 | msleep(10); | |
6202 | count--; | |
6203 | } | |
6204 | if (val != 0x10) { | |
6205 | BNX2X_ERR("NIG timeout val = 0x%x\n", val); | |
6206 | return -1; | |
6207 | } | |
6208 | ||
6209 | /* Wait until PRS register shows 1 packet */ | |
6210 | count = 1000 * factor; | |
6211 | while (count) { | |
6212 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
6213 | if (val == 1) | |
6214 | break; | |
6215 | ||
6216 | msleep(10); | |
6217 | count--; | |
6218 | } | |
6219 | if (val != 0x1) { | |
6220 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
6221 | return -2; | |
6222 | } | |
6223 | ||
6224 | /* Reset and init BRB, PRS */ | |
6225 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03); | |
6226 | msleep(50); | |
6227 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03); | |
6228 | msleep(50); | |
6229 | bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE); | |
6230 | bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE); | |
6231 | ||
6232 | DP(NETIF_MSG_HW, "part2\n"); | |
6233 | ||
6234 | /* Disable inputs of parser neighbor blocks */ | |
6235 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); | |
6236 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); | |
6237 | REG_WR(bp, CFC_REG_DEBUG0, 0x1); | |
6238 | REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0); | |
6239 | ||
6240 | /* Write 0 to parser credits for CFC search request */ | |
6241 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); | |
6242 | ||
6243 | /* send 10 Ethernet packets */ | |
6244 | for (i = 0; i < 10; i++) | |
6245 | bnx2x_lb_pckt(bp); | |
6246 | ||
6247 | /* Wait until NIG register shows 10 + 1 | |
6248 | packets of size 11*0x10 = 0xb0 */ | |
6249 | count = 1000 * factor; | |
6250 | while (count) { | |
6251 | ||
6252 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
6253 | val = *bnx2x_sp(bp, wb_data[0]); | |
6254 | if (val == 0xb0) | |
6255 | break; | |
6256 | ||
6257 | msleep(10); | |
6258 | count--; | |
6259 | } | |
6260 | if (val != 0xb0) { | |
6261 | BNX2X_ERR("NIG timeout val = 0x%x\n", val); | |
6262 | return -3; | |
6263 | } | |
6264 | ||
6265 | /* Wait until PRS register shows 2 packets */ | |
6266 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
6267 | if (val != 2) | |
6268 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
6269 | ||
6270 | /* Write 1 to parser credits for CFC search request */ | |
6271 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1); | |
6272 | ||
6273 | /* Wait until PRS register shows 3 packets */ | |
6274 | msleep(10 * factor); | |
6275 | /* Wait until NIG register shows 1 packet of size 0x10 */ | |
6276 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
6277 | if (val != 3) | |
6278 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
6279 | ||
6280 | /* clear NIG EOP FIFO */ | |
6281 | for (i = 0; i < 11; i++) | |
6282 | REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO); | |
6283 | val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY); | |
6284 | if (val != 1) { | |
6285 | BNX2X_ERR("clear of NIG failed\n"); | |
6286 | return -4; | |
6287 | } | |
6288 | ||
6289 | /* Reset and init BRB, PRS, NIG */ | |
6290 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03); | |
6291 | msleep(50); | |
6292 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03); | |
6293 | msleep(50); | |
6294 | bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE); | |
6295 | bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE); | |
6296 | #ifndef BCM_CNIC | |
6297 | /* set NIC mode */ | |
6298 | REG_WR(bp, PRS_REG_NIC_MODE, 1); | |
6299 | #endif | |
6300 | ||
6301 | /* Enable inputs of parser neighbor blocks */ | |
6302 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff); | |
6303 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x1); | |
6304 | REG_WR(bp, CFC_REG_DEBUG0, 0x0); | |
6305 | REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1); | |
6306 | ||
6307 | DP(NETIF_MSG_HW, "done\n"); | |
6308 | ||
6309 | return 0; /* OK */ | |
6310 | } | |
6311 | ||
6312 | static void enable_blocks_attention(struct bnx2x *bp) | |
6313 | { | |
6314 | REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); | |
6315 | REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0); | |
6316 | REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); | |
6317 | REG_WR(bp, CFC_REG_CFC_INT_MASK, 0); | |
6318 | REG_WR(bp, QM_REG_QM_INT_MASK, 0); | |
6319 | REG_WR(bp, TM_REG_TM_INT_MASK, 0); | |
6320 | REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0); | |
6321 | REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0); | |
6322 | REG_WR(bp, XCM_REG_XCM_INT_MASK, 0); | |
6323 | /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */ | |
6324 | /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */ | |
6325 | REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0); | |
6326 | REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0); | |
6327 | REG_WR(bp, UCM_REG_UCM_INT_MASK, 0); | |
6328 | /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */ | |
6329 | /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */ | |
6330 | REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0); | |
6331 | REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0); | |
6332 | REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0); | |
6333 | REG_WR(bp, CCM_REG_CCM_INT_MASK, 0); | |
6334 | /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */ | |
6335 | /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */ | |
6336 | if (CHIP_REV_IS_FPGA(bp)) | |
6337 | REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000); | |
6338 | else | |
6339 | REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000); | |
6340 | REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0); | |
6341 | REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0); | |
6342 | REG_WR(bp, TCM_REG_TCM_INT_MASK, 0); | |
6343 | /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */ | |
6344 | /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */ | |
6345 | REG_WR(bp, CDU_REG_CDU_INT_MASK, 0); | |
6346 | REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0); | |
6347 | /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */ | |
6348 | REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */ | |
6349 | } | |
6350 | ||
6351 | static const struct { | |
6352 | u32 addr; | |
6353 | u32 mask; | |
6354 | } bnx2x_parity_mask[] = { | |
6355 | {PXP_REG_PXP_PRTY_MASK, 0xffffffff}, | |
6356 | {PXP2_REG_PXP2_PRTY_MASK_0, 0xffffffff}, | |
6357 | {PXP2_REG_PXP2_PRTY_MASK_1, 0xffffffff}, | |
6358 | {HC_REG_HC_PRTY_MASK, 0xffffffff}, | |
6359 | {MISC_REG_MISC_PRTY_MASK, 0xffffffff}, | |
6360 | {QM_REG_QM_PRTY_MASK, 0x0}, | |
6361 | {DORQ_REG_DORQ_PRTY_MASK, 0x0}, | |
6362 | {GRCBASE_UPB + PB_REG_PB_PRTY_MASK, 0x0}, | |
6363 | {GRCBASE_XPB + PB_REG_PB_PRTY_MASK, 0x0}, | |
6364 | {SRC_REG_SRC_PRTY_MASK, 0x4}, /* bit 2 */ | |
6365 | {CDU_REG_CDU_PRTY_MASK, 0x0}, | |
6366 | {CFC_REG_CFC_PRTY_MASK, 0x0}, | |
6367 | {DBG_REG_DBG_PRTY_MASK, 0x0}, | |
6368 | {DMAE_REG_DMAE_PRTY_MASK, 0x0}, | |
6369 | {BRB1_REG_BRB1_PRTY_MASK, 0x0}, | |
6370 | {PRS_REG_PRS_PRTY_MASK, (1<<6)},/* bit 6 */ | |
6371 | {TSDM_REG_TSDM_PRTY_MASK, 0x18},/* bit 3,4 */ | |
6372 | {CSDM_REG_CSDM_PRTY_MASK, 0x8}, /* bit 3 */ | |
6373 | {USDM_REG_USDM_PRTY_MASK, 0x38},/* bit 3,4,5 */ | |
6374 | {XSDM_REG_XSDM_PRTY_MASK, 0x8}, /* bit 3 */ | |
6375 | {TSEM_REG_TSEM_PRTY_MASK_0, 0x0}, | |
6376 | {TSEM_REG_TSEM_PRTY_MASK_1, 0x0}, | |
6377 | {USEM_REG_USEM_PRTY_MASK_0, 0x0}, | |
6378 | {USEM_REG_USEM_PRTY_MASK_1, 0x0}, | |
6379 | {CSEM_REG_CSEM_PRTY_MASK_0, 0x0}, | |
6380 | {CSEM_REG_CSEM_PRTY_MASK_1, 0x0}, | |
6381 | {XSEM_REG_XSEM_PRTY_MASK_0, 0x0}, | |
6382 | {XSEM_REG_XSEM_PRTY_MASK_1, 0x0} | |
6383 | }; | |
6384 | ||
6385 | static void enable_blocks_parity(struct bnx2x *bp) | |
6386 | { | |
6387 | int i, mask_arr_len = | |
6388 | sizeof(bnx2x_parity_mask)/(sizeof(bnx2x_parity_mask[0])); | |
6389 | ||
6390 | for (i = 0; i < mask_arr_len; i++) | |
6391 | REG_WR(bp, bnx2x_parity_mask[i].addr, | |
6392 | bnx2x_parity_mask[i].mask); | |
6393 | } | |
6394 | ||
6395 | ||
6396 | static void bnx2x_reset_common(struct bnx2x *bp) | |
6397 | { | |
6398 | /* reset_common */ | |
6399 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
6400 | 0xd3ffff7f); | |
6401 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403); | |
6402 | } | |
6403 | ||
6404 | static void bnx2x_init_pxp(struct bnx2x *bp) | |
6405 | { | |
6406 | u16 devctl; | |
6407 | int r_order, w_order; | |
6408 | ||
6409 | pci_read_config_word(bp->pdev, | |
6410 | bp->pcie_cap + PCI_EXP_DEVCTL, &devctl); | |
6411 | DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl); | |
6412 | w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5); | |
6413 | if (bp->mrrs == -1) | |
6414 | r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12); | |
6415 | else { | |
6416 | DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs); | |
6417 | r_order = bp->mrrs; | |
6418 | } | |
6419 | ||
6420 | bnx2x_init_pxp_arb(bp, r_order, w_order); | |
6421 | } | |
6422 | ||
6423 | static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp) | |
6424 | { | |
6425 | int is_required; | |
6426 | u32 val; | |
6427 | int port; | |
6428 | ||
6429 | if (BP_NOMCP(bp)) | |
6430 | return; | |
6431 | ||
6432 | is_required = 0; | |
6433 | val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) & | |
6434 | SHARED_HW_CFG_FAN_FAILURE_MASK; | |
6435 | ||
6436 | if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED) | |
6437 | is_required = 1; | |
6438 | ||
6439 | /* | |
6440 | * The fan failure mechanism is usually related to the PHY type since | |
6441 | * the power consumption of the board is affected by the PHY. Currently, | |
6442 | * fan is required for most designs with SFX7101, BCM8727 and BCM8481. | |
6443 | */ | |
6444 | else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE) | |
6445 | for (port = PORT_0; port < PORT_MAX; port++) { | |
6446 | u32 phy_type = | |
6447 | SHMEM_RD(bp, dev_info.port_hw_config[port]. | |
6448 | external_phy_config) & | |
6449 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK; | |
6450 | is_required |= | |
6451 | ((phy_type == | |
6452 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) || | |
6453 | (phy_type == | |
6454 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) || | |
6455 | (phy_type == | |
6456 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481)); | |
6457 | } | |
6458 | ||
6459 | DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required); | |
6460 | ||
6461 | if (is_required == 0) | |
6462 | return; | |
6463 | ||
6464 | /* Fan failure is indicated by SPIO 5 */ | |
6465 | bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5, | |
6466 | MISC_REGISTERS_SPIO_INPUT_HI_Z); | |
6467 | ||
6468 | /* set to active low mode */ | |
6469 | val = REG_RD(bp, MISC_REG_SPIO_INT); | |
6470 | val |= ((1 << MISC_REGISTERS_SPIO_5) << | |
6471 | MISC_REGISTERS_SPIO_INT_OLD_SET_POS); | |
6472 | REG_WR(bp, MISC_REG_SPIO_INT, val); | |
6473 | ||
6474 | /* enable interrupt to signal the IGU */ | |
6475 | val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN); | |
6476 | val |= (1 << MISC_REGISTERS_SPIO_5); | |
6477 | REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val); | |
6478 | } | |
6479 | ||
6480 | static int bnx2x_init_common(struct bnx2x *bp) | |
6481 | { | |
6482 | u32 val, i; | |
6483 | #ifdef BCM_CNIC | |
6484 | u32 wb_write[2]; | |
6485 | #endif | |
6486 | ||
6487 | DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp)); | |
6488 | ||
6489 | bnx2x_reset_common(bp); | |
6490 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff); | |
6491 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc); | |
6492 | ||
6493 | bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE); | |
6494 | if (CHIP_IS_E1H(bp)) | |
6495 | REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp)); | |
6496 | ||
6497 | REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100); | |
6498 | msleep(30); | |
6499 | REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0); | |
6500 | ||
6501 | bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE); | |
6502 | if (CHIP_IS_E1(bp)) { | |
6503 | /* enable HW interrupt from PXP on USDM overflow | |
6504 | bit 16 on INT_MASK_0 */ | |
6505 | REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); | |
6506 | } | |
6507 | ||
6508 | bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE); | |
6509 | bnx2x_init_pxp(bp); | |
6510 | ||
6511 | #ifdef __BIG_ENDIAN | |
6512 | REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1); | |
6513 | REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1); | |
6514 | REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1); | |
6515 | REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1); | |
6516 | REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1); | |
6517 | /* make sure this value is 0 */ | |
6518 | REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0); | |
6519 | ||
6520 | /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */ | |
6521 | REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1); | |
6522 | REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1); | |
6523 | REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1); | |
6524 | REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1); | |
6525 | #endif | |
6526 | ||
6527 | REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2); | |
6528 | #ifdef BCM_CNIC | |
6529 | REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5); | |
6530 | REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5); | |
6531 | REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5); | |
6532 | #endif | |
6533 | ||
6534 | if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp)) | |
6535 | REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1); | |
6536 | ||
6537 | /* let the HW do it's magic ... */ | |
6538 | msleep(100); | |
6539 | /* finish PXP init */ | |
6540 | val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE); | |
6541 | if (val != 1) { | |
6542 | BNX2X_ERR("PXP2 CFG failed\n"); | |
6543 | return -EBUSY; | |
6544 | } | |
6545 | val = REG_RD(bp, PXP2_REG_RD_INIT_DONE); | |
6546 | if (val != 1) { | |
6547 | BNX2X_ERR("PXP2 RD_INIT failed\n"); | |
6548 | return -EBUSY; | |
6549 | } | |
6550 | ||
6551 | REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0); | |
6552 | REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0); | |
6553 | ||
6554 | bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE); | |
6555 | ||
6556 | /* clean the DMAE memory */ | |
6557 | bp->dmae_ready = 1; | |
6558 | bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8); | |
6559 | ||
6560 | bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE); | |
6561 | bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE); | |
6562 | bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE); | |
6563 | bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE); | |
6564 | ||
6565 | bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3); | |
6566 | bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3); | |
6567 | bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3); | |
6568 | bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3); | |
6569 | ||
6570 | bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE); | |
6571 | ||
6572 | #ifdef BCM_CNIC | |
6573 | wb_write[0] = 0; | |
6574 | wb_write[1] = 0; | |
6575 | for (i = 0; i < 64; i++) { | |
6576 | REG_WR(bp, QM_REG_BASEADDR + i*4, 1024 * 4 * (i%16)); | |
6577 | bnx2x_init_ind_wr(bp, QM_REG_PTRTBL + i*8, wb_write, 2); | |
6578 | ||
6579 | if (CHIP_IS_E1H(bp)) { | |
6580 | REG_WR(bp, QM_REG_BASEADDR_EXT_A + i*4, 1024*4*(i%16)); | |
6581 | bnx2x_init_ind_wr(bp, QM_REG_PTRTBL_EXT_A + i*8, | |
6582 | wb_write, 2); | |
6583 | } | |
6584 | } | |
6585 | #endif | |
6586 | /* soft reset pulse */ | |
6587 | REG_WR(bp, QM_REG_SOFT_RESET, 1); | |
6588 | REG_WR(bp, QM_REG_SOFT_RESET, 0); | |
6589 | ||
6590 | #ifdef BCM_CNIC | |
6591 | bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE); | |
6592 | #endif | |
6593 | ||
6594 | bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE); | |
6595 | REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT); | |
6596 | if (!CHIP_REV_IS_SLOW(bp)) { | |
6597 | /* enable hw interrupt from doorbell Q */ | |
6598 | REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); | |
6599 | } | |
6600 | ||
6601 | bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE); | |
6602 | bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE); | |
6603 | REG_WR(bp, PRS_REG_A_PRSU_20, 0xf); | |
6604 | #ifndef BCM_CNIC | |
6605 | /* set NIC mode */ | |
6606 | REG_WR(bp, PRS_REG_NIC_MODE, 1); | |
6607 | #endif | |
6608 | if (CHIP_IS_E1H(bp)) | |
6609 | REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp)); | |
6610 | ||
6611 | bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE); | |
6612 | bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE); | |
6613 | bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE); | |
6614 | bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE); | |
6615 | ||
6616 | bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp)); | |
6617 | bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp)); | |
6618 | bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp)); | |
6619 | bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp)); | |
6620 | ||
6621 | bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE); | |
6622 | bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE); | |
6623 | bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE); | |
6624 | bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE); | |
6625 | ||
6626 | /* sync semi rtc */ | |
6627 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
6628 | 0x80000000); | |
6629 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, | |
6630 | 0x80000000); | |
6631 | ||
6632 | bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE); | |
6633 | bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE); | |
6634 | bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE); | |
6635 | ||
6636 | REG_WR(bp, SRC_REG_SOFT_RST, 1); | |
6637 | for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) | |
6638 | REG_WR(bp, i, random32()); | |
6639 | bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE); | |
6640 | #ifdef BCM_CNIC | |
6641 | REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672); | |
6642 | REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc); | |
6643 | REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b); | |
6644 | REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a); | |
6645 | REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116); | |
6646 | REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b); | |
6647 | REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf); | |
6648 | REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09); | |
6649 | REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f); | |
6650 | REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7); | |
6651 | #endif | |
6652 | REG_WR(bp, SRC_REG_SOFT_RST, 0); | |
6653 | ||
6654 | if (sizeof(union cdu_context) != 1024) | |
6655 | /* we currently assume that a context is 1024 bytes */ | |
6656 | dev_alert(&bp->pdev->dev, "please adjust the size " | |
6657 | "of cdu_context(%ld)\n", | |
6658 | (long)sizeof(union cdu_context)); | |
6659 | ||
6660 | bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE); | |
6661 | val = (4 << 24) + (0 << 12) + 1024; | |
6662 | REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val); | |
6663 | ||
6664 | bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE); | |
6665 | REG_WR(bp, CFC_REG_INIT_REG, 0x7FF); | |
6666 | /* enable context validation interrupt from CFC */ | |
6667 | REG_WR(bp, CFC_REG_CFC_INT_MASK, 0); | |
6668 | ||
6669 | /* set the thresholds to prevent CFC/CDU race */ | |
6670 | REG_WR(bp, CFC_REG_DEBUG0, 0x20020000); | |
6671 | ||
6672 | bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE); | |
6673 | bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE); | |
6674 | ||
6675 | bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE); | |
6676 | /* Reset PCIE errors for debug */ | |
6677 | REG_WR(bp, 0x2814, 0xffffffff); | |
6678 | REG_WR(bp, 0x3820, 0xffffffff); | |
6679 | ||
6680 | bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE); | |
6681 | bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE); | |
6682 | bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE); | |
6683 | bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE); | |
6684 | ||
6685 | bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE); | |
6686 | if (CHIP_IS_E1H(bp)) { | |
6687 | REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp)); | |
6688 | REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp)); | |
6689 | } | |
6690 | ||
6691 | if (CHIP_REV_IS_SLOW(bp)) | |
6692 | msleep(200); | |
6693 | ||
6694 | /* finish CFC init */ | |
6695 | val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10); | |
6696 | if (val != 1) { | |
6697 | BNX2X_ERR("CFC LL_INIT failed\n"); | |
6698 | return -EBUSY; | |
6699 | } | |
6700 | val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10); | |
6701 | if (val != 1) { | |
6702 | BNX2X_ERR("CFC AC_INIT failed\n"); | |
6703 | return -EBUSY; | |
6704 | } | |
6705 | val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10); | |
6706 | if (val != 1) { | |
6707 | BNX2X_ERR("CFC CAM_INIT failed\n"); | |
6708 | return -EBUSY; | |
6709 | } | |
6710 | REG_WR(bp, CFC_REG_DEBUG0, 0); | |
6711 | ||
6712 | /* read NIG statistic | |
6713 | to see if this is our first up since powerup */ | |
6714 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
6715 | val = *bnx2x_sp(bp, wb_data[0]); | |
6716 | ||
6717 | /* do internal memory self test */ | |
6718 | if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) { | |
6719 | BNX2X_ERR("internal mem self test failed\n"); | |
6720 | return -EBUSY; | |
6721 | } | |
6722 | ||
6723 | switch (XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config)) { | |
6724 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: | |
6725 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: | |
6726 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: | |
6727 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: | |
6728 | bp->port.need_hw_lock = 1; | |
6729 | break; | |
6730 | ||
6731 | default: | |
6732 | break; | |
6733 | } | |
6734 | ||
6735 | bnx2x_setup_fan_failure_detection(bp); | |
6736 | ||
6737 | /* clear PXP2 attentions */ | |
6738 | REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0); | |
6739 | ||
6740 | enable_blocks_attention(bp); | |
6741 | if (CHIP_PARITY_SUPPORTED(bp)) | |
6742 | enable_blocks_parity(bp); | |
6743 | ||
6744 | if (!BP_NOMCP(bp)) { | |
6745 | bnx2x_acquire_phy_lock(bp); | |
6746 | bnx2x_common_init_phy(bp, bp->common.shmem_base); | |
6747 | bnx2x_release_phy_lock(bp); | |
6748 | } else | |
6749 | BNX2X_ERR("Bootcode is missing - can not initialize link\n"); | |
6750 | ||
6751 | return 0; | |
6752 | } | |
6753 | ||
6754 | static int bnx2x_init_port(struct bnx2x *bp) | |
6755 | { | |
6756 | int port = BP_PORT(bp); | |
6757 | int init_stage = port ? PORT1_STAGE : PORT0_STAGE; | |
6758 | u32 low, high; | |
6759 | u32 val; | |
6760 | ||
6761 | DP(BNX2X_MSG_MCP, "starting port init port %d\n", port); | |
6762 | ||
6763 | REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0); | |
6764 | ||
6765 | bnx2x_init_block(bp, PXP_BLOCK, init_stage); | |
6766 | bnx2x_init_block(bp, PXP2_BLOCK, init_stage); | |
6767 | ||
6768 | bnx2x_init_block(bp, TCM_BLOCK, init_stage); | |
6769 | bnx2x_init_block(bp, UCM_BLOCK, init_stage); | |
6770 | bnx2x_init_block(bp, CCM_BLOCK, init_stage); | |
6771 | bnx2x_init_block(bp, XCM_BLOCK, init_stage); | |
6772 | ||
6773 | #ifdef BCM_CNIC | |
6774 | REG_WR(bp, QM_REG_CONNNUM_0 + port*4, 1024/16 - 1); | |
6775 | ||
6776 | bnx2x_init_block(bp, TIMERS_BLOCK, init_stage); | |
6777 | REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20); | |
6778 | REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31); | |
6779 | #endif | |
6780 | ||
6781 | bnx2x_init_block(bp, DQ_BLOCK, init_stage); | |
6782 | ||
6783 | bnx2x_init_block(bp, BRB1_BLOCK, init_stage); | |
6784 | if (CHIP_REV_IS_SLOW(bp) && !CHIP_IS_E1H(bp)) { | |
6785 | /* no pause for emulation and FPGA */ | |
6786 | low = 0; | |
6787 | high = 513; | |
6788 | } else { | |
6789 | if (IS_E1HMF(bp)) | |
6790 | low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246); | |
6791 | else if (bp->dev->mtu > 4096) { | |
6792 | if (bp->flags & ONE_PORT_FLAG) | |
6793 | low = 160; | |
6794 | else { | |
6795 | val = bp->dev->mtu; | |
6796 | /* (24*1024 + val*4)/256 */ | |
6797 | low = 96 + (val/64) + ((val % 64) ? 1 : 0); | |
6798 | } | |
6799 | } else | |
6800 | low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160); | |
6801 | high = low + 56; /* 14*1024/256 */ | |
6802 | } | |
6803 | REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low); | |
6804 | REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high); | |
6805 | ||
6806 | ||
6807 | bnx2x_init_block(bp, PRS_BLOCK, init_stage); | |
6808 | ||
6809 | bnx2x_init_block(bp, TSDM_BLOCK, init_stage); | |
6810 | bnx2x_init_block(bp, CSDM_BLOCK, init_stage); | |
6811 | bnx2x_init_block(bp, USDM_BLOCK, init_stage); | |
6812 | bnx2x_init_block(bp, XSDM_BLOCK, init_stage); | |
6813 | ||
6814 | bnx2x_init_block(bp, TSEM_BLOCK, init_stage); | |
6815 | bnx2x_init_block(bp, USEM_BLOCK, init_stage); | |
6816 | bnx2x_init_block(bp, CSEM_BLOCK, init_stage); | |
6817 | bnx2x_init_block(bp, XSEM_BLOCK, init_stage); | |
6818 | ||
6819 | bnx2x_init_block(bp, UPB_BLOCK, init_stage); | |
6820 | bnx2x_init_block(bp, XPB_BLOCK, init_stage); | |
6821 | ||
6822 | bnx2x_init_block(bp, PBF_BLOCK, init_stage); | |
6823 | ||
6824 | /* configure PBF to work without PAUSE mtu 9000 */ | |
6825 | REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0); | |
6826 | ||
6827 | /* update threshold */ | |
6828 | REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16)); | |
6829 | /* update init credit */ | |
6830 | REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22); | |
6831 | ||
6832 | /* probe changes */ | |
6833 | REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1); | |
6834 | msleep(5); | |
6835 | REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0); | |
6836 | ||
6837 | #ifdef BCM_CNIC | |
6838 | bnx2x_init_block(bp, SRCH_BLOCK, init_stage); | |
6839 | #endif | |
6840 | bnx2x_init_block(bp, CDU_BLOCK, init_stage); | |
6841 | bnx2x_init_block(bp, CFC_BLOCK, init_stage); | |
6842 | ||
6843 | if (CHIP_IS_E1(bp)) { | |
6844 | REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0); | |
6845 | REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0); | |
6846 | } | |
6847 | bnx2x_init_block(bp, HC_BLOCK, init_stage); | |
6848 | ||
6849 | bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage); | |
6850 | /* init aeu_mask_attn_func_0/1: | |
6851 | * - SF mode: bits 3-7 are masked. only bits 0-2 are in use | |
6852 | * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF | |
6853 | * bits 4-7 are used for "per vn group attention" */ | |
6854 | REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, | |
6855 | (IS_E1HMF(bp) ? 0xF7 : 0x7)); | |
6856 | ||
6857 | bnx2x_init_block(bp, PXPCS_BLOCK, init_stage); | |
6858 | bnx2x_init_block(bp, EMAC0_BLOCK, init_stage); | |
6859 | bnx2x_init_block(bp, EMAC1_BLOCK, init_stage); | |
6860 | bnx2x_init_block(bp, DBU_BLOCK, init_stage); | |
6861 | bnx2x_init_block(bp, DBG_BLOCK, init_stage); | |
6862 | ||
6863 | bnx2x_init_block(bp, NIG_BLOCK, init_stage); | |
6864 | ||
6865 | REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); | |
6866 | ||
6867 | if (CHIP_IS_E1H(bp)) { | |
6868 | /* 0x2 disable e1hov, 0x1 enable */ | |
6869 | REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4, | |
6870 | (IS_E1HMF(bp) ? 0x1 : 0x2)); | |
6871 | ||
6872 | { | |
6873 | REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0); | |
6874 | REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0); | |
6875 | REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1); | |
6876 | } | |
6877 | } | |
6878 | ||
6879 | bnx2x_init_block(bp, MCP_BLOCK, init_stage); | |
6880 | bnx2x_init_block(bp, DMAE_BLOCK, init_stage); | |
6881 | ||
6882 | switch (XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config)) { | |
6883 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: | |
6884 | { | |
6885 | u32 swap_val, swap_override, aeu_gpio_mask, offset; | |
6886 | ||
6887 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, | |
6888 | MISC_REGISTERS_GPIO_INPUT_HI_Z, port); | |
6889 | ||
6890 | /* The GPIO should be swapped if the swap register is | |
6891 | set and active */ | |
6892 | swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); | |
6893 | swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); | |
6894 | ||
6895 | /* Select function upon port-swap configuration */ | |
6896 | if (port == 0) { | |
6897 | offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0; | |
6898 | aeu_gpio_mask = (swap_val && swap_override) ? | |
6899 | AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 : | |
6900 | AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0; | |
6901 | } else { | |
6902 | offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0; | |
6903 | aeu_gpio_mask = (swap_val && swap_override) ? | |
6904 | AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 : | |
6905 | AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1; | |
6906 | } | |
6907 | val = REG_RD(bp, offset); | |
6908 | /* add GPIO3 to group */ | |
6909 | val |= aeu_gpio_mask; | |
6910 | REG_WR(bp, offset, val); | |
6911 | } | |
6912 | break; | |
6913 | ||
6914 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
6915 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: | |
6916 | /* add SPIO 5 to group 0 */ | |
6917 | { | |
6918 | u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : | |
6919 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); | |
6920 | val = REG_RD(bp, reg_addr); | |
6921 | val |= AEU_INPUTS_ATTN_BITS_SPIO5; | |
6922 | REG_WR(bp, reg_addr, val); | |
6923 | } | |
6924 | break; | |
6925 | ||
6926 | default: | |
6927 | break; | |
6928 | } | |
6929 | ||
6930 | bnx2x__link_reset(bp); | |
6931 | ||
6932 | return 0; | |
6933 | } | |
6934 | ||
6935 | #define ILT_PER_FUNC (768/2) | |
6936 | #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC) | |
6937 | /* the phys address is shifted right 12 bits and has an added | |
6938 | 1=valid bit added to the 53rd bit | |
6939 | then since this is a wide register(TM) | |
6940 | we split it into two 32 bit writes | |
6941 | */ | |
6942 | #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF)) | |
6943 | #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44))) | |
6944 | #define PXP_ONE_ILT(x) (((x) << 10) | x) | |
6945 | #define PXP_ILT_RANGE(f, l) (((l) << 10) | f) | |
6946 | ||
6947 | #ifdef BCM_CNIC | |
6948 | #define CNIC_ILT_LINES 127 | |
6949 | #define CNIC_CTX_PER_ILT 16 | |
6950 | #else | |
6951 | #define CNIC_ILT_LINES 0 | |
6952 | #endif | |
6953 | ||
6954 | static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr) | |
6955 | { | |
6956 | int reg; | |
6957 | ||
6958 | if (CHIP_IS_E1H(bp)) | |
6959 | reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8; | |
6960 | else /* E1 */ | |
6961 | reg = PXP2_REG_RQ_ONCHIP_AT + index*8; | |
6962 | ||
6963 | bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr)); | |
6964 | } | |
6965 | ||
6966 | static int bnx2x_init_func(struct bnx2x *bp) | |
6967 | { | |
6968 | int port = BP_PORT(bp); | |
6969 | int func = BP_FUNC(bp); | |
6970 | u32 addr, val; | |
6971 | int i; | |
6972 | ||
6973 | DP(BNX2X_MSG_MCP, "starting func init func %d\n", func); | |
6974 | ||
6975 | /* set MSI reconfigure capability */ | |
6976 | addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0); | |
6977 | val = REG_RD(bp, addr); | |
6978 | val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0; | |
6979 | REG_WR(bp, addr, val); | |
6980 | ||
6981 | i = FUNC_ILT_BASE(func); | |
6982 | ||
6983 | bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context)); | |
6984 | if (CHIP_IS_E1H(bp)) { | |
6985 | REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i); | |
6986 | REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES); | |
6987 | } else /* E1 */ | |
6988 | REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4, | |
6989 | PXP_ILT_RANGE(i, i + CNIC_ILT_LINES)); | |
6990 | ||
6991 | #ifdef BCM_CNIC | |
6992 | i += 1 + CNIC_ILT_LINES; | |
6993 | bnx2x_ilt_wr(bp, i, bp->timers_mapping); | |
6994 | if (CHIP_IS_E1(bp)) | |
6995 | REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i)); | |
6996 | else { | |
6997 | REG_WR(bp, PXP2_REG_RQ_TM_FIRST_ILT, i); | |
6998 | REG_WR(bp, PXP2_REG_RQ_TM_LAST_ILT, i); | |
6999 | } | |
7000 | ||
7001 | i++; | |
7002 | bnx2x_ilt_wr(bp, i, bp->qm_mapping); | |
7003 | if (CHIP_IS_E1(bp)) | |
7004 | REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i)); | |
7005 | else { | |
7006 | REG_WR(bp, PXP2_REG_RQ_QM_FIRST_ILT, i); | |
7007 | REG_WR(bp, PXP2_REG_RQ_QM_LAST_ILT, i); | |
7008 | } | |
7009 | ||
7010 | i++; | |
7011 | bnx2x_ilt_wr(bp, i, bp->t1_mapping); | |
7012 | if (CHIP_IS_E1(bp)) | |
7013 | REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i)); | |
7014 | else { | |
7015 | REG_WR(bp, PXP2_REG_RQ_SRC_FIRST_ILT, i); | |
7016 | REG_WR(bp, PXP2_REG_RQ_SRC_LAST_ILT, i); | |
7017 | } | |
7018 | ||
7019 | /* tell the searcher where the T2 table is */ | |
7020 | REG_WR(bp, SRC_REG_COUNTFREE0 + port*4, 16*1024/64); | |
7021 | ||
7022 | bnx2x_wb_wr(bp, SRC_REG_FIRSTFREE0 + port*16, | |
7023 | U64_LO(bp->t2_mapping), U64_HI(bp->t2_mapping)); | |
7024 | ||
7025 | bnx2x_wb_wr(bp, SRC_REG_LASTFREE0 + port*16, | |
7026 | U64_LO((u64)bp->t2_mapping + 16*1024 - 64), | |
7027 | U64_HI((u64)bp->t2_mapping + 16*1024 - 64)); | |
7028 | ||
7029 | REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, 10); | |
7030 | #endif | |
7031 | ||
7032 | if (CHIP_IS_E1H(bp)) { | |
7033 | bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func); | |
7034 | bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func); | |
7035 | bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func); | |
7036 | bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func); | |
7037 | bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func); | |
7038 | bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func); | |
7039 | bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func); | |
7040 | bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func); | |
7041 | bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func); | |
7042 | ||
7043 | REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1); | |
7044 | REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov); | |
7045 | } | |
7046 | ||
7047 | /* HC init per function */ | |
7048 | if (CHIP_IS_E1H(bp)) { | |
7049 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0); | |
7050 | ||
7051 | REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0); | |
7052 | REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0); | |
7053 | } | |
7054 | bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func); | |
7055 | ||
7056 | /* Reset PCIE errors for debug */ | |
7057 | REG_WR(bp, 0x2114, 0xffffffff); | |
7058 | REG_WR(bp, 0x2120, 0xffffffff); | |
7059 | ||
7060 | return 0; | |
7061 | } | |
7062 | ||
7063 | static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code) | |
7064 | { | |
7065 | int i, rc = 0; | |
7066 | ||
7067 | DP(BNX2X_MSG_MCP, "function %d load_code %x\n", | |
7068 | BP_FUNC(bp), load_code); | |
7069 | ||
7070 | bp->dmae_ready = 0; | |
7071 | mutex_init(&bp->dmae_mutex); | |
7072 | rc = bnx2x_gunzip_init(bp); | |
7073 | if (rc) | |
7074 | return rc; | |
7075 | ||
7076 | switch (load_code) { | |
7077 | case FW_MSG_CODE_DRV_LOAD_COMMON: | |
7078 | rc = bnx2x_init_common(bp); | |
7079 | if (rc) | |
7080 | goto init_hw_err; | |
7081 | /* no break */ | |
7082 | ||
7083 | case FW_MSG_CODE_DRV_LOAD_PORT: | |
7084 | bp->dmae_ready = 1; | |
7085 | rc = bnx2x_init_port(bp); | |
7086 | if (rc) | |
7087 | goto init_hw_err; | |
7088 | /* no break */ | |
7089 | ||
7090 | case FW_MSG_CODE_DRV_LOAD_FUNCTION: | |
7091 | bp->dmae_ready = 1; | |
7092 | rc = bnx2x_init_func(bp); | |
7093 | if (rc) | |
7094 | goto init_hw_err; | |
7095 | break; | |
7096 | ||
7097 | default: | |
7098 | BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code); | |
7099 | break; | |
7100 | } | |
7101 | ||
7102 | if (!BP_NOMCP(bp)) { | |
7103 | int func = BP_FUNC(bp); | |
7104 | ||
7105 | bp->fw_drv_pulse_wr_seq = | |
7106 | (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) & | |
7107 | DRV_PULSE_SEQ_MASK); | |
7108 | DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq); | |
7109 | } | |
7110 | ||
7111 | /* this needs to be done before gunzip end */ | |
7112 | bnx2x_zero_def_sb(bp); | |
7113 | for_each_queue(bp, i) | |
7114 | bnx2x_zero_sb(bp, BP_L_ID(bp) + i); | |
7115 | #ifdef BCM_CNIC | |
7116 | bnx2x_zero_sb(bp, BP_L_ID(bp) + i); | |
7117 | #endif | |
7118 | ||
7119 | init_hw_err: | |
7120 | bnx2x_gunzip_end(bp); | |
7121 | ||
7122 | return rc; | |
7123 | } | |
7124 | ||
7125 | static void bnx2x_free_mem(struct bnx2x *bp) | |
7126 | { | |
7127 | ||
7128 | #define BNX2X_PCI_FREE(x, y, size) \ | |
7129 | do { \ | |
7130 | if (x) { \ | |
7131 | dma_free_coherent(&bp->pdev->dev, size, x, y); \ | |
7132 | x = NULL; \ | |
7133 | y = 0; \ | |
7134 | } \ | |
7135 | } while (0) | |
7136 | ||
7137 | #define BNX2X_FREE(x) \ | |
7138 | do { \ | |
7139 | if (x) { \ | |
7140 | vfree(x); \ | |
7141 | x = NULL; \ | |
7142 | } \ | |
7143 | } while (0) | |
7144 | ||
7145 | int i; | |
7146 | ||
7147 | /* fastpath */ | |
7148 | /* Common */ | |
7149 | for_each_queue(bp, i) { | |
7150 | ||
7151 | /* status blocks */ | |
7152 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk), | |
7153 | bnx2x_fp(bp, i, status_blk_mapping), | |
7154 | sizeof(struct host_status_block)); | |
7155 | } | |
7156 | /* Rx */ | |
7157 | for_each_queue(bp, i) { | |
7158 | ||
7159 | /* fastpath rx rings: rx_buf rx_desc rx_comp */ | |
7160 | BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring)); | |
7161 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring), | |
7162 | bnx2x_fp(bp, i, rx_desc_mapping), | |
7163 | sizeof(struct eth_rx_bd) * NUM_RX_BD); | |
7164 | ||
7165 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring), | |
7166 | bnx2x_fp(bp, i, rx_comp_mapping), | |
7167 | sizeof(struct eth_fast_path_rx_cqe) * | |
7168 | NUM_RCQ_BD); | |
7169 | ||
7170 | /* SGE ring */ | |
7171 | BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring)); | |
7172 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring), | |
7173 | bnx2x_fp(bp, i, rx_sge_mapping), | |
7174 | BCM_PAGE_SIZE * NUM_RX_SGE_PAGES); | |
7175 | } | |
7176 | /* Tx */ | |
7177 | for_each_queue(bp, i) { | |
7178 | ||
7179 | /* fastpath tx rings: tx_buf tx_desc */ | |
7180 | BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring)); | |
7181 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring), | |
7182 | bnx2x_fp(bp, i, tx_desc_mapping), | |
7183 | sizeof(union eth_tx_bd_types) * NUM_TX_BD); | |
7184 | } | |
7185 | /* end of fastpath */ | |
7186 | ||
7187 | BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping, | |
7188 | sizeof(struct host_def_status_block)); | |
7189 | ||
7190 | BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping, | |
7191 | sizeof(struct bnx2x_slowpath)); | |
7192 | ||
7193 | #ifdef BCM_CNIC | |
7194 | BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024); | |
7195 | BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024); | |
7196 | BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024); | |
7197 | BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024); | |
7198 | BNX2X_PCI_FREE(bp->cnic_sb, bp->cnic_sb_mapping, | |
7199 | sizeof(struct host_status_block)); | |
7200 | #endif | |
7201 | BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE); | |
7202 | ||
7203 | #undef BNX2X_PCI_FREE | |
7204 | #undef BNX2X_KFREE | |
7205 | } | |
7206 | ||
7207 | static int bnx2x_alloc_mem(struct bnx2x *bp) | |
7208 | { | |
7209 | ||
7210 | #define BNX2X_PCI_ALLOC(x, y, size) \ | |
7211 | do { \ | |
7212 | x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \ | |
7213 | if (x == NULL) \ | |
7214 | goto alloc_mem_err; \ | |
7215 | memset(x, 0, size); \ | |
7216 | } while (0) | |
7217 | ||
7218 | #define BNX2X_ALLOC(x, size) \ | |
7219 | do { \ | |
7220 | x = vmalloc(size); \ | |
7221 | if (x == NULL) \ | |
7222 | goto alloc_mem_err; \ | |
7223 | memset(x, 0, size); \ | |
7224 | } while (0) | |
7225 | ||
7226 | int i; | |
7227 | ||
7228 | /* fastpath */ | |
7229 | /* Common */ | |
7230 | for_each_queue(bp, i) { | |
7231 | bnx2x_fp(bp, i, bp) = bp; | |
7232 | ||
7233 | /* status blocks */ | |
7234 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk), | |
7235 | &bnx2x_fp(bp, i, status_blk_mapping), | |
7236 | sizeof(struct host_status_block)); | |
7237 | } | |
7238 | /* Rx */ | |
7239 | for_each_queue(bp, i) { | |
7240 | ||
7241 | /* fastpath rx rings: rx_buf rx_desc rx_comp */ | |
7242 | BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring), | |
7243 | sizeof(struct sw_rx_bd) * NUM_RX_BD); | |
7244 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring), | |
7245 | &bnx2x_fp(bp, i, rx_desc_mapping), | |
7246 | sizeof(struct eth_rx_bd) * NUM_RX_BD); | |
7247 | ||
7248 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring), | |
7249 | &bnx2x_fp(bp, i, rx_comp_mapping), | |
7250 | sizeof(struct eth_fast_path_rx_cqe) * | |
7251 | NUM_RCQ_BD); | |
7252 | ||
7253 | /* SGE ring */ | |
7254 | BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring), | |
7255 | sizeof(struct sw_rx_page) * NUM_RX_SGE); | |
7256 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring), | |
7257 | &bnx2x_fp(bp, i, rx_sge_mapping), | |
7258 | BCM_PAGE_SIZE * NUM_RX_SGE_PAGES); | |
7259 | } | |
7260 | /* Tx */ | |
7261 | for_each_queue(bp, i) { | |
7262 | ||
7263 | /* fastpath tx rings: tx_buf tx_desc */ | |
7264 | BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring), | |
7265 | sizeof(struct sw_tx_bd) * NUM_TX_BD); | |
7266 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring), | |
7267 | &bnx2x_fp(bp, i, tx_desc_mapping), | |
7268 | sizeof(union eth_tx_bd_types) * NUM_TX_BD); | |
7269 | } | |
7270 | /* end of fastpath */ | |
7271 | ||
7272 | BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping, | |
7273 | sizeof(struct host_def_status_block)); | |
7274 | ||
7275 | BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping, | |
7276 | sizeof(struct bnx2x_slowpath)); | |
7277 | ||
7278 | #ifdef BCM_CNIC | |
7279 | BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024); | |
7280 | ||
7281 | /* allocate searcher T2 table | |
7282 | we allocate 1/4 of alloc num for T2 | |
7283 | (which is not entered into the ILT) */ | |
7284 | BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024); | |
7285 | ||
7286 | /* Initialize T2 (for 1024 connections) */ | |
7287 | for (i = 0; i < 16*1024; i += 64) | |
7288 | *(u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64; | |
7289 | ||
7290 | /* Timer block array (8*MAX_CONN) phys uncached for now 1024 conns */ | |
7291 | BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024); | |
7292 | ||
7293 | /* QM queues (128*MAX_CONN) */ | |
7294 | BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024); | |
7295 | ||
7296 | BNX2X_PCI_ALLOC(bp->cnic_sb, &bp->cnic_sb_mapping, | |
7297 | sizeof(struct host_status_block)); | |
7298 | #endif | |
7299 | ||
7300 | /* Slow path ring */ | |
7301 | BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE); | |
7302 | ||
7303 | return 0; | |
7304 | ||
7305 | alloc_mem_err: | |
7306 | bnx2x_free_mem(bp); | |
7307 | return -ENOMEM; | |
7308 | ||
7309 | #undef BNX2X_PCI_ALLOC | |
7310 | #undef BNX2X_ALLOC | |
7311 | } | |
7312 | ||
7313 | static void bnx2x_free_tx_skbs(struct bnx2x *bp) | |
7314 | { | |
7315 | int i; | |
7316 | ||
7317 | for_each_queue(bp, i) { | |
7318 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
7319 | ||
7320 | u16 bd_cons = fp->tx_bd_cons; | |
7321 | u16 sw_prod = fp->tx_pkt_prod; | |
7322 | u16 sw_cons = fp->tx_pkt_cons; | |
7323 | ||
7324 | while (sw_cons != sw_prod) { | |
7325 | bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons)); | |
7326 | sw_cons++; | |
7327 | } | |
7328 | } | |
7329 | } | |
7330 | ||
7331 | static void bnx2x_free_rx_skbs(struct bnx2x *bp) | |
7332 | { | |
7333 | int i, j; | |
7334 | ||
7335 | for_each_queue(bp, j) { | |
7336 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
7337 | ||
7338 | for (i = 0; i < NUM_RX_BD; i++) { | |
7339 | struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i]; | |
7340 | struct sk_buff *skb = rx_buf->skb; | |
7341 | ||
7342 | if (skb == NULL) | |
7343 | continue; | |
7344 | ||
7345 | dma_unmap_single(&bp->pdev->dev, | |
7346 | dma_unmap_addr(rx_buf, mapping), | |
7347 | bp->rx_buf_size, DMA_FROM_DEVICE); | |
7348 | ||
7349 | rx_buf->skb = NULL; | |
7350 | dev_kfree_skb(skb); | |
7351 | } | |
7352 | if (!fp->disable_tpa) | |
7353 | bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ? | |
7354 | ETH_MAX_AGGREGATION_QUEUES_E1 : | |
7355 | ETH_MAX_AGGREGATION_QUEUES_E1H); | |
7356 | } | |
7357 | } | |
7358 | ||
7359 | static void bnx2x_free_skbs(struct bnx2x *bp) | |
7360 | { | |
7361 | bnx2x_free_tx_skbs(bp); | |
7362 | bnx2x_free_rx_skbs(bp); | |
7363 | } | |
7364 | ||
7365 | static void bnx2x_free_msix_irqs(struct bnx2x *bp) | |
7366 | { | |
7367 | int i, offset = 1; | |
7368 | ||
7369 | free_irq(bp->msix_table[0].vector, bp->dev); | |
7370 | DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n", | |
7371 | bp->msix_table[0].vector); | |
7372 | ||
7373 | #ifdef BCM_CNIC | |
7374 | offset++; | |
7375 | #endif | |
7376 | for_each_queue(bp, i) { | |
7377 | DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq " | |
7378 | "state %x\n", i, bp->msix_table[i + offset].vector, | |
7379 | bnx2x_fp(bp, i, state)); | |
7380 | ||
7381 | free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]); | |
7382 | } | |
7383 | } | |
7384 | ||
7385 | static void bnx2x_free_irq(struct bnx2x *bp, bool disable_only) | |
7386 | { | |
7387 | if (bp->flags & USING_MSIX_FLAG) { | |
7388 | if (!disable_only) | |
7389 | bnx2x_free_msix_irqs(bp); | |
7390 | pci_disable_msix(bp->pdev); | |
7391 | bp->flags &= ~USING_MSIX_FLAG; | |
7392 | ||
7393 | } else if (bp->flags & USING_MSI_FLAG) { | |
7394 | if (!disable_only) | |
7395 | free_irq(bp->pdev->irq, bp->dev); | |
7396 | pci_disable_msi(bp->pdev); | |
7397 | bp->flags &= ~USING_MSI_FLAG; | |
7398 | ||
7399 | } else if (!disable_only) | |
7400 | free_irq(bp->pdev->irq, bp->dev); | |
7401 | } | |
7402 | ||
7403 | static int bnx2x_enable_msix(struct bnx2x *bp) | |
7404 | { | |
7405 | int i, rc, offset = 1; | |
7406 | int igu_vec = 0; | |
7407 | ||
7408 | bp->msix_table[0].entry = igu_vec; | |
7409 | DP(NETIF_MSG_IFUP, "msix_table[0].entry = %d (slowpath)\n", igu_vec); | |
7410 | ||
7411 | #ifdef BCM_CNIC | |
7412 | igu_vec = BP_L_ID(bp) + offset; | |
7413 | bp->msix_table[1].entry = igu_vec; | |
7414 | DP(NETIF_MSG_IFUP, "msix_table[1].entry = %d (CNIC)\n", igu_vec); | |
7415 | offset++; | |
7416 | #endif | |
7417 | for_each_queue(bp, i) { | |
7418 | igu_vec = BP_L_ID(bp) + offset + i; | |
7419 | bp->msix_table[i + offset].entry = igu_vec; | |
7420 | DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d " | |
7421 | "(fastpath #%u)\n", i + offset, igu_vec, i); | |
7422 | } | |
7423 | ||
7424 | rc = pci_enable_msix(bp->pdev, &bp->msix_table[0], | |
7425 | BNX2X_NUM_QUEUES(bp) + offset); | |
7426 | ||
7427 | /* | |
7428 | * reconfigure number of tx/rx queues according to available | |
7429 | * MSI-X vectors | |
7430 | */ | |
7431 | if (rc >= BNX2X_MIN_MSIX_VEC_CNT) { | |
7432 | /* vectors available for FP */ | |
7433 | int fp_vec = rc - BNX2X_MSIX_VEC_FP_START; | |
7434 | ||
7435 | DP(NETIF_MSG_IFUP, | |
7436 | "Trying to use less MSI-X vectors: %d\n", rc); | |
7437 | ||
7438 | rc = pci_enable_msix(bp->pdev, &bp->msix_table[0], rc); | |
7439 | ||
7440 | if (rc) { | |
7441 | DP(NETIF_MSG_IFUP, | |
7442 | "MSI-X is not attainable rc %d\n", rc); | |
7443 | return rc; | |
7444 | } | |
7445 | ||
7446 | bp->num_queues = min(bp->num_queues, fp_vec); | |
7447 | ||
7448 | DP(NETIF_MSG_IFUP, "New queue configuration set: %d\n", | |
7449 | bp->num_queues); | |
7450 | } else if (rc) { | |
7451 | DP(NETIF_MSG_IFUP, "MSI-X is not attainable rc %d\n", rc); | |
7452 | return rc; | |
7453 | } | |
7454 | ||
7455 | bp->flags |= USING_MSIX_FLAG; | |
7456 | ||
7457 | return 0; | |
7458 | } | |
7459 | ||
7460 | static int bnx2x_req_msix_irqs(struct bnx2x *bp) | |
7461 | { | |
7462 | int i, rc, offset = 1; | |
7463 | ||
7464 | rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0, | |
7465 | bp->dev->name, bp->dev); | |
7466 | if (rc) { | |
7467 | BNX2X_ERR("request sp irq failed\n"); | |
7468 | return -EBUSY; | |
7469 | } | |
7470 | ||
7471 | #ifdef BCM_CNIC | |
7472 | offset++; | |
7473 | #endif | |
7474 | for_each_queue(bp, i) { | |
7475 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
7476 | snprintf(fp->name, sizeof(fp->name), "%s-fp-%d", | |
7477 | bp->dev->name, i); | |
7478 | ||
7479 | rc = request_irq(bp->msix_table[i + offset].vector, | |
7480 | bnx2x_msix_fp_int, 0, fp->name, fp); | |
7481 | if (rc) { | |
7482 | BNX2X_ERR("request fp #%d irq failed rc %d\n", i, rc); | |
7483 | bnx2x_free_msix_irqs(bp); | |
7484 | return -EBUSY; | |
7485 | } | |
7486 | ||
7487 | fp->state = BNX2X_FP_STATE_IRQ; | |
7488 | } | |
7489 | ||
7490 | i = BNX2X_NUM_QUEUES(bp); | |
7491 | netdev_info(bp->dev, "using MSI-X IRQs: sp %d fp[%d] %d" | |
7492 | " ... fp[%d] %d\n", | |
7493 | bp->msix_table[0].vector, | |
7494 | 0, bp->msix_table[offset].vector, | |
7495 | i - 1, bp->msix_table[offset + i - 1].vector); | |
7496 | ||
7497 | return 0; | |
7498 | } | |
7499 | ||
7500 | static int bnx2x_enable_msi(struct bnx2x *bp) | |
7501 | { | |
7502 | int rc; | |
7503 | ||
7504 | rc = pci_enable_msi(bp->pdev); | |
7505 | if (rc) { | |
7506 | DP(NETIF_MSG_IFUP, "MSI is not attainable\n"); | |
7507 | return -1; | |
7508 | } | |
7509 | bp->flags |= USING_MSI_FLAG; | |
7510 | ||
7511 | return 0; | |
7512 | } | |
7513 | ||
7514 | static int bnx2x_req_irq(struct bnx2x *bp) | |
7515 | { | |
7516 | unsigned long flags; | |
7517 | int rc; | |
7518 | ||
7519 | if (bp->flags & USING_MSI_FLAG) | |
7520 | flags = 0; | |
7521 | else | |
7522 | flags = IRQF_SHARED; | |
7523 | ||
7524 | rc = request_irq(bp->pdev->irq, bnx2x_interrupt, flags, | |
7525 | bp->dev->name, bp->dev); | |
7526 | if (!rc) | |
7527 | bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ; | |
7528 | ||
7529 | return rc; | |
7530 | } | |
7531 | ||
7532 | static void bnx2x_napi_enable(struct bnx2x *bp) | |
7533 | { | |
7534 | int i; | |
7535 | ||
7536 | for_each_queue(bp, i) | |
7537 | napi_enable(&bnx2x_fp(bp, i, napi)); | |
7538 | } | |
7539 | ||
7540 | static void bnx2x_napi_disable(struct bnx2x *bp) | |
7541 | { | |
7542 | int i; | |
7543 | ||
7544 | for_each_queue(bp, i) | |
7545 | napi_disable(&bnx2x_fp(bp, i, napi)); | |
7546 | } | |
7547 | ||
7548 | static void bnx2x_netif_start(struct bnx2x *bp) | |
7549 | { | |
7550 | int intr_sem; | |
7551 | ||
7552 | intr_sem = atomic_dec_and_test(&bp->intr_sem); | |
7553 | smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */ | |
7554 | ||
7555 | if (intr_sem) { | |
7556 | if (netif_running(bp->dev)) { | |
7557 | bnx2x_napi_enable(bp); | |
7558 | bnx2x_int_enable(bp); | |
7559 | if (bp->state == BNX2X_STATE_OPEN) | |
7560 | netif_tx_wake_all_queues(bp->dev); | |
7561 | } | |
7562 | } | |
7563 | } | |
7564 | ||
7565 | static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw) | |
7566 | { | |
7567 | bnx2x_int_disable_sync(bp, disable_hw); | |
7568 | bnx2x_napi_disable(bp); | |
7569 | netif_tx_disable(bp->dev); | |
7570 | } | |
7571 | ||
7572 | /* | |
7573 | * Init service functions | |
7574 | */ | |
7575 | ||
7576 | /** | |
7577 | * Sets a MAC in a CAM for a few L2 Clients for E1 chip | |
7578 | * | |
7579 | * @param bp driver descriptor | |
7580 | * @param set set or clear an entry (1 or 0) | |
7581 | * @param mac pointer to a buffer containing a MAC | |
7582 | * @param cl_bit_vec bit vector of clients to register a MAC for | |
7583 | * @param cam_offset offset in a CAM to use | |
7584 | * @param with_bcast set broadcast MAC as well | |
7585 | */ | |
7586 | static void bnx2x_set_mac_addr_e1_gen(struct bnx2x *bp, int set, u8 *mac, | |
7587 | u32 cl_bit_vec, u8 cam_offset, | |
7588 | u8 with_bcast) | |
7589 | { | |
7590 | struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config); | |
7591 | int port = BP_PORT(bp); | |
7592 | ||
7593 | /* CAM allocation | |
7594 | * unicasts 0-31:port0 32-63:port1 | |
7595 | * multicast 64-127:port0 128-191:port1 | |
7596 | */ | |
7597 | config->hdr.length = 1 + (with_bcast ? 1 : 0); | |
7598 | config->hdr.offset = cam_offset; | |
7599 | config->hdr.client_id = 0xff; | |
7600 | config->hdr.reserved1 = 0; | |
7601 | ||
7602 | /* primary MAC */ | |
7603 | config->config_table[0].cam_entry.msb_mac_addr = | |
7604 | swab16(*(u16 *)&mac[0]); | |
7605 | config->config_table[0].cam_entry.middle_mac_addr = | |
7606 | swab16(*(u16 *)&mac[2]); | |
7607 | config->config_table[0].cam_entry.lsb_mac_addr = | |
7608 | swab16(*(u16 *)&mac[4]); | |
7609 | config->config_table[0].cam_entry.flags = cpu_to_le16(port); | |
7610 | if (set) | |
7611 | config->config_table[0].target_table_entry.flags = 0; | |
7612 | else | |
7613 | CAM_INVALIDATE(config->config_table[0]); | |
7614 | config->config_table[0].target_table_entry.clients_bit_vector = | |
7615 | cpu_to_le32(cl_bit_vec); | |
7616 | config->config_table[0].target_table_entry.vlan_id = 0; | |
7617 | ||
7618 | DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n", | |
7619 | (set ? "setting" : "clearing"), | |
7620 | config->config_table[0].cam_entry.msb_mac_addr, | |
7621 | config->config_table[0].cam_entry.middle_mac_addr, | |
7622 | config->config_table[0].cam_entry.lsb_mac_addr); | |
7623 | ||
7624 | /* broadcast */ | |
7625 | if (with_bcast) { | |
7626 | config->config_table[1].cam_entry.msb_mac_addr = | |
7627 | cpu_to_le16(0xffff); | |
7628 | config->config_table[1].cam_entry.middle_mac_addr = | |
7629 | cpu_to_le16(0xffff); | |
7630 | config->config_table[1].cam_entry.lsb_mac_addr = | |
7631 | cpu_to_le16(0xffff); | |
7632 | config->config_table[1].cam_entry.flags = cpu_to_le16(port); | |
7633 | if (set) | |
7634 | config->config_table[1].target_table_entry.flags = | |
7635 | TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST; | |
7636 | else | |
7637 | CAM_INVALIDATE(config->config_table[1]); | |
7638 | config->config_table[1].target_table_entry.clients_bit_vector = | |
7639 | cpu_to_le32(cl_bit_vec); | |
7640 | config->config_table[1].target_table_entry.vlan_id = 0; | |
7641 | } | |
7642 | ||
7643 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
7644 | U64_HI(bnx2x_sp_mapping(bp, mac_config)), | |
7645 | U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); | |
7646 | } | |
7647 | ||
7648 | /** | |
7649 | * Sets a MAC in a CAM for a few L2 Clients for E1H chip | |
7650 | * | |
7651 | * @param bp driver descriptor | |
7652 | * @param set set or clear an entry (1 or 0) | |
7653 | * @param mac pointer to a buffer containing a MAC | |
7654 | * @param cl_bit_vec bit vector of clients to register a MAC for | |
7655 | * @param cam_offset offset in a CAM to use | |
7656 | */ | |
7657 | static void bnx2x_set_mac_addr_e1h_gen(struct bnx2x *bp, int set, u8 *mac, | |
7658 | u32 cl_bit_vec, u8 cam_offset) | |
7659 | { | |
7660 | struct mac_configuration_cmd_e1h *config = | |
7661 | (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config); | |
7662 | ||
7663 | config->hdr.length = 1; | |
7664 | config->hdr.offset = cam_offset; | |
7665 | config->hdr.client_id = 0xff; | |
7666 | config->hdr.reserved1 = 0; | |
7667 | ||
7668 | /* primary MAC */ | |
7669 | config->config_table[0].msb_mac_addr = | |
7670 | swab16(*(u16 *)&mac[0]); | |
7671 | config->config_table[0].middle_mac_addr = | |
7672 | swab16(*(u16 *)&mac[2]); | |
7673 | config->config_table[0].lsb_mac_addr = | |
7674 | swab16(*(u16 *)&mac[4]); | |
7675 | config->config_table[0].clients_bit_vector = | |
7676 | cpu_to_le32(cl_bit_vec); | |
7677 | config->config_table[0].vlan_id = 0; | |
7678 | config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov); | |
7679 | if (set) | |
7680 | config->config_table[0].flags = BP_PORT(bp); | |
7681 | else | |
7682 | config->config_table[0].flags = | |
7683 | MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE; | |
7684 | ||
7685 | DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID mask %d\n", | |
7686 | (set ? "setting" : "clearing"), | |
7687 | config->config_table[0].msb_mac_addr, | |
7688 | config->config_table[0].middle_mac_addr, | |
7689 | config->config_table[0].lsb_mac_addr, bp->e1hov, cl_bit_vec); | |
7690 | ||
7691 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
7692 | U64_HI(bnx2x_sp_mapping(bp, mac_config)), | |
7693 | U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); | |
7694 | } | |
7695 | ||
7696 | static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, | |
7697 | int *state_p, int poll) | |
7698 | { | |
7699 | /* can take a while if any port is running */ | |
7700 | int cnt = 5000; | |
7701 | ||
7702 | DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n", | |
7703 | poll ? "polling" : "waiting", state, idx); | |
7704 | ||
7705 | might_sleep(); | |
7706 | while (cnt--) { | |
7707 | if (poll) { | |
7708 | bnx2x_rx_int(bp->fp, 10); | |
7709 | /* if index is different from 0 | |
7710 | * the reply for some commands will | |
7711 | * be on the non default queue | |
7712 | */ | |
7713 | if (idx) | |
7714 | bnx2x_rx_int(&bp->fp[idx], 10); | |
7715 | } | |
7716 | ||
7717 | mb(); /* state is changed by bnx2x_sp_event() */ | |
7718 | if (*state_p == state) { | |
7719 | #ifdef BNX2X_STOP_ON_ERROR | |
7720 | DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt); | |
7721 | #endif | |
7722 | return 0; | |
7723 | } | |
7724 | ||
7725 | msleep(1); | |
7726 | ||
7727 | if (bp->panic) | |
7728 | return -EIO; | |
7729 | } | |
7730 | ||
7731 | /* timeout! */ | |
7732 | BNX2X_ERR("timeout %s for state %x on IDX [%d]\n", | |
7733 | poll ? "polling" : "waiting", state, idx); | |
7734 | #ifdef BNX2X_STOP_ON_ERROR | |
7735 | bnx2x_panic(); | |
7736 | #endif | |
7737 | ||
7738 | return -EBUSY; | |
7739 | } | |
7740 | ||
7741 | static void bnx2x_set_eth_mac_addr_e1h(struct bnx2x *bp, int set) | |
7742 | { | |
7743 | bp->set_mac_pending++; | |
7744 | smp_wmb(); | |
7745 | ||
7746 | bnx2x_set_mac_addr_e1h_gen(bp, set, bp->dev->dev_addr, | |
7747 | (1 << bp->fp->cl_id), BP_FUNC(bp)); | |
7748 | ||
7749 | /* Wait for a completion */ | |
7750 | bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, set ? 0 : 1); | |
7751 | } | |
7752 | ||
7753 | static void bnx2x_set_eth_mac_addr_e1(struct bnx2x *bp, int set) | |
7754 | { | |
7755 | bp->set_mac_pending++; | |
7756 | smp_wmb(); | |
7757 | ||
7758 | bnx2x_set_mac_addr_e1_gen(bp, set, bp->dev->dev_addr, | |
7759 | (1 << bp->fp->cl_id), (BP_PORT(bp) ? 32 : 0), | |
7760 | 1); | |
7761 | ||
7762 | /* Wait for a completion */ | |
7763 | bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, set ? 0 : 1); | |
7764 | } | |
7765 | ||
7766 | #ifdef BCM_CNIC | |
7767 | /** | |
7768 | * Set iSCSI MAC(s) at the next enties in the CAM after the ETH | |
7769 | * MAC(s). This function will wait until the ramdord completion | |
7770 | * returns. | |
7771 | * | |
7772 | * @param bp driver handle | |
7773 | * @param set set or clear the CAM entry | |
7774 | * | |
7775 | * @return 0 if cussess, -ENODEV if ramrod doesn't return. | |
7776 | */ | |
7777 | static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set) | |
7778 | { | |
7779 | u32 cl_bit_vec = (1 << BCM_ISCSI_ETH_CL_ID); | |
7780 | ||
7781 | bp->set_mac_pending++; | |
7782 | smp_wmb(); | |
7783 | ||
7784 | /* Send a SET_MAC ramrod */ | |
7785 | if (CHIP_IS_E1(bp)) | |
7786 | bnx2x_set_mac_addr_e1_gen(bp, set, bp->iscsi_mac, | |
7787 | cl_bit_vec, (BP_PORT(bp) ? 32 : 0) + 2, | |
7788 | 1); | |
7789 | else | |
7790 | /* CAM allocation for E1H | |
7791 | * unicasts: by func number | |
7792 | * multicast: 20+FUNC*20, 20 each | |
7793 | */ | |
7794 | bnx2x_set_mac_addr_e1h_gen(bp, set, bp->iscsi_mac, | |
7795 | cl_bit_vec, E1H_FUNC_MAX + BP_FUNC(bp)); | |
7796 | ||
7797 | /* Wait for a completion when setting */ | |
7798 | bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, set ? 0 : 1); | |
7799 | ||
7800 | return 0; | |
7801 | } | |
7802 | #endif | |
7803 | ||
7804 | static int bnx2x_setup_leading(struct bnx2x *bp) | |
7805 | { | |
7806 | int rc; | |
7807 | ||
7808 | /* reset IGU state */ | |
7809 | bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
7810 | ||
7811 | /* SETUP ramrod */ | |
7812 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0); | |
7813 | ||
7814 | /* Wait for completion */ | |
7815 | rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0); | |
7816 | ||
7817 | return rc; | |
7818 | } | |
7819 | ||
7820 | static int bnx2x_setup_multi(struct bnx2x *bp, int index) | |
7821 | { | |
7822 | struct bnx2x_fastpath *fp = &bp->fp[index]; | |
7823 | ||
7824 | /* reset IGU state */ | |
7825 | bnx2x_ack_sb(bp, fp->sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
7826 | ||
7827 | /* SETUP ramrod */ | |
7828 | fp->state = BNX2X_FP_STATE_OPENING; | |
7829 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, | |
7830 | fp->cl_id, 0); | |
7831 | ||
7832 | /* Wait for completion */ | |
7833 | return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index, | |
7834 | &(fp->state), 0); | |
7835 | } | |
7836 | ||
7837 | static int bnx2x_poll(struct napi_struct *napi, int budget); | |
7838 | ||
7839 | static void bnx2x_set_num_queues_msix(struct bnx2x *bp) | |
7840 | { | |
7841 | ||
7842 | switch (bp->multi_mode) { | |
7843 | case ETH_RSS_MODE_DISABLED: | |
7844 | bp->num_queues = 1; | |
7845 | break; | |
7846 | ||
7847 | case ETH_RSS_MODE_REGULAR: | |
7848 | if (num_queues) | |
7849 | bp->num_queues = min_t(u32, num_queues, | |
7850 | BNX2X_MAX_QUEUES(bp)); | |
7851 | else | |
7852 | bp->num_queues = min_t(u32, num_online_cpus(), | |
7853 | BNX2X_MAX_QUEUES(bp)); | |
7854 | break; | |
7855 | ||
7856 | ||
7857 | default: | |
7858 | bp->num_queues = 1; | |
7859 | break; | |
7860 | } | |
7861 | } | |
7862 | ||
7863 | static int bnx2x_set_num_queues(struct bnx2x *bp) | |
7864 | { | |
7865 | int rc = 0; | |
7866 | ||
7867 | switch (int_mode) { | |
7868 | case INT_MODE_INTx: | |
7869 | case INT_MODE_MSI: | |
7870 | bp->num_queues = 1; | |
7871 | DP(NETIF_MSG_IFUP, "set number of queues to 1\n"); | |
7872 | break; | |
7873 | default: | |
7874 | /* Set number of queues according to bp->multi_mode value */ | |
7875 | bnx2x_set_num_queues_msix(bp); | |
7876 | ||
7877 | DP(NETIF_MSG_IFUP, "set number of queues to %d\n", | |
7878 | bp->num_queues); | |
7879 | ||
7880 | /* if we can't use MSI-X we only need one fp, | |
7881 | * so try to enable MSI-X with the requested number of fp's | |
7882 | * and fallback to MSI or legacy INTx with one fp | |
7883 | */ | |
7884 | rc = bnx2x_enable_msix(bp); | |
7885 | if (rc) | |
7886 | /* failed to enable MSI-X */ | |
7887 | bp->num_queues = 1; | |
7888 | break; | |
7889 | } | |
7890 | bp->dev->real_num_tx_queues = bp->num_queues; | |
7891 | return rc; | |
7892 | } | |
7893 | ||
7894 | #ifdef BCM_CNIC | |
7895 | static int bnx2x_cnic_notify(struct bnx2x *bp, int cmd); | |
7896 | static void bnx2x_setup_cnic_irq_info(struct bnx2x *bp); | |
7897 | #endif | |
7898 | ||
7899 | /* must be called with rtnl_lock */ | |
7900 | static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) | |
7901 | { | |
7902 | u32 load_code; | |
7903 | int i, rc; | |
7904 | ||
7905 | #ifdef BNX2X_STOP_ON_ERROR | |
7906 | if (unlikely(bp->panic)) | |
7907 | return -EPERM; | |
7908 | #endif | |
7909 | ||
7910 | bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; | |
7911 | ||
7912 | rc = bnx2x_set_num_queues(bp); | |
7913 | ||
7914 | if (bnx2x_alloc_mem(bp)) { | |
7915 | bnx2x_free_irq(bp, true); | |
7916 | return -ENOMEM; | |
7917 | } | |
7918 | ||
7919 | for_each_queue(bp, i) | |
7920 | bnx2x_fp(bp, i, disable_tpa) = | |
7921 | ((bp->flags & TPA_ENABLE_FLAG) == 0); | |
7922 | ||
7923 | for_each_queue(bp, i) | |
7924 | netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), | |
7925 | bnx2x_poll, 128); | |
7926 | ||
7927 | bnx2x_napi_enable(bp); | |
7928 | ||
7929 | if (bp->flags & USING_MSIX_FLAG) { | |
7930 | rc = bnx2x_req_msix_irqs(bp); | |
7931 | if (rc) { | |
7932 | bnx2x_free_irq(bp, true); | |
7933 | goto load_error1; | |
7934 | } | |
7935 | } else { | |
7936 | /* Fall to INTx if failed to enable MSI-X due to lack of | |
7937 | memory (in bnx2x_set_num_queues()) */ | |
7938 | if ((rc != -ENOMEM) && (int_mode != INT_MODE_INTx)) | |
7939 | bnx2x_enable_msi(bp); | |
7940 | bnx2x_ack_int(bp); | |
7941 | rc = bnx2x_req_irq(bp); | |
7942 | if (rc) { | |
7943 | BNX2X_ERR("IRQ request failed rc %d, aborting\n", rc); | |
7944 | bnx2x_free_irq(bp, true); | |
7945 | goto load_error1; | |
7946 | } | |
7947 | if (bp->flags & USING_MSI_FLAG) { | |
7948 | bp->dev->irq = bp->pdev->irq; | |
7949 | netdev_info(bp->dev, "using MSI IRQ %d\n", | |
7950 | bp->pdev->irq); | |
7951 | } | |
7952 | } | |
7953 | ||
7954 | /* Send LOAD_REQUEST command to MCP | |
7955 | Returns the type of LOAD command: | |
7956 | if it is the first port to be initialized | |
7957 | common blocks should be initialized, otherwise - not | |
7958 | */ | |
7959 | if (!BP_NOMCP(bp)) { | |
7960 | load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); | |
7961 | if (!load_code) { | |
7962 | BNX2X_ERR("MCP response failure, aborting\n"); | |
7963 | rc = -EBUSY; | |
7964 | goto load_error2; | |
7965 | } | |
7966 | if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) { | |
7967 | rc = -EBUSY; /* other port in diagnostic mode */ | |
7968 | goto load_error2; | |
7969 | } | |
7970 | ||
7971 | } else { | |
7972 | int port = BP_PORT(bp); | |
7973 | ||
7974 | DP(NETIF_MSG_IFUP, "NO MCP - load counts %d, %d, %d\n", | |
7975 | load_count[0], load_count[1], load_count[2]); | |
7976 | load_count[0]++; | |
7977 | load_count[1 + port]++; | |
7978 | DP(NETIF_MSG_IFUP, "NO MCP - new load counts %d, %d, %d\n", | |
7979 | load_count[0], load_count[1], load_count[2]); | |
7980 | if (load_count[0] == 1) | |
7981 | load_code = FW_MSG_CODE_DRV_LOAD_COMMON; | |
7982 | else if (load_count[1 + port] == 1) | |
7983 | load_code = FW_MSG_CODE_DRV_LOAD_PORT; | |
7984 | else | |
7985 | load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION; | |
7986 | } | |
7987 | ||
7988 | if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) || | |
7989 | (load_code == FW_MSG_CODE_DRV_LOAD_PORT)) | |
7990 | bp->port.pmf = 1; | |
7991 | else | |
7992 | bp->port.pmf = 0; | |
7993 | DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); | |
7994 | ||
7995 | /* Initialize HW */ | |
7996 | rc = bnx2x_init_hw(bp, load_code); | |
7997 | if (rc) { | |
7998 | BNX2X_ERR("HW init failed, aborting\n"); | |
7999 | bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE); | |
8000 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP); | |
8001 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); | |
8002 | goto load_error2; | |
8003 | } | |
8004 | ||
8005 | /* Setup NIC internals and enable interrupts */ | |
8006 | bnx2x_nic_init(bp, load_code); | |
8007 | ||
8008 | if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) && | |
8009 | (bp->common.shmem2_base)) | |
8010 | SHMEM2_WR(bp, dcc_support, | |
8011 | (SHMEM_DCC_SUPPORT_DISABLE_ENABLE_PF_TLV | | |
8012 | SHMEM_DCC_SUPPORT_BANDWIDTH_ALLOCATION_TLV)); | |
8013 | ||
8014 | /* Send LOAD_DONE command to MCP */ | |
8015 | if (!BP_NOMCP(bp)) { | |
8016 | load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE); | |
8017 | if (!load_code) { | |
8018 | BNX2X_ERR("MCP response failure, aborting\n"); | |
8019 | rc = -EBUSY; | |
8020 | goto load_error3; | |
8021 | } | |
8022 | } | |
8023 | ||
8024 | bp->state = BNX2X_STATE_OPENING_WAIT4_PORT; | |
8025 | ||
8026 | rc = bnx2x_setup_leading(bp); | |
8027 | if (rc) { | |
8028 | BNX2X_ERR("Setup leading failed!\n"); | |
8029 | #ifndef BNX2X_STOP_ON_ERROR | |
8030 | goto load_error3; | |
8031 | #else | |
8032 | bp->panic = 1; | |
8033 | return -EBUSY; | |
8034 | #endif | |
8035 | } | |
8036 | ||
8037 | if (CHIP_IS_E1H(bp)) | |
8038 | if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) { | |
8039 | DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n"); | |
8040 | bp->flags |= MF_FUNC_DIS; | |
8041 | } | |
8042 | ||
8043 | if (bp->state == BNX2X_STATE_OPEN) { | |
8044 | #ifdef BCM_CNIC | |
8045 | /* Enable Timer scan */ | |
8046 | REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + BP_PORT(bp)*4, 1); | |
8047 | #endif | |
8048 | for_each_nondefault_queue(bp, i) { | |
8049 | rc = bnx2x_setup_multi(bp, i); | |
8050 | if (rc) | |
8051 | #ifdef BCM_CNIC | |
8052 | goto load_error4; | |
8053 | #else | |
8054 | goto load_error3; | |
8055 | #endif | |
8056 | } | |
8057 | ||
8058 | if (CHIP_IS_E1(bp)) | |
8059 | bnx2x_set_eth_mac_addr_e1(bp, 1); | |
8060 | else | |
8061 | bnx2x_set_eth_mac_addr_e1h(bp, 1); | |
8062 | #ifdef BCM_CNIC | |
8063 | /* Set iSCSI L2 MAC */ | |
8064 | mutex_lock(&bp->cnic_mutex); | |
8065 | if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD) { | |
8066 | bnx2x_set_iscsi_eth_mac_addr(bp, 1); | |
8067 | bp->cnic_flags |= BNX2X_CNIC_FLAG_MAC_SET; | |
8068 | bnx2x_init_sb(bp, bp->cnic_sb, bp->cnic_sb_mapping, | |
8069 | CNIC_SB_ID(bp)); | |
8070 | } | |
8071 | mutex_unlock(&bp->cnic_mutex); | |
8072 | #endif | |
8073 | } | |
8074 | ||
8075 | if (bp->port.pmf) | |
8076 | bnx2x_initial_phy_init(bp, load_mode); | |
8077 | ||
8078 | /* Start fast path */ | |
8079 | switch (load_mode) { | |
8080 | case LOAD_NORMAL: | |
8081 | if (bp->state == BNX2X_STATE_OPEN) { | |
8082 | /* Tx queue should be only reenabled */ | |
8083 | netif_tx_wake_all_queues(bp->dev); | |
8084 | } | |
8085 | /* Initialize the receive filter. */ | |
8086 | bnx2x_set_rx_mode(bp->dev); | |
8087 | break; | |
8088 | ||
8089 | case LOAD_OPEN: | |
8090 | netif_tx_start_all_queues(bp->dev); | |
8091 | if (bp->state != BNX2X_STATE_OPEN) | |
8092 | netif_tx_disable(bp->dev); | |
8093 | /* Initialize the receive filter. */ | |
8094 | bnx2x_set_rx_mode(bp->dev); | |
8095 | break; | |
8096 | ||
8097 | case LOAD_DIAG: | |
8098 | /* Initialize the receive filter. */ | |
8099 | bnx2x_set_rx_mode(bp->dev); | |
8100 | bp->state = BNX2X_STATE_DIAG; | |
8101 | break; | |
8102 | ||
8103 | default: | |
8104 | break; | |
8105 | } | |
8106 | ||
8107 | if (!bp->port.pmf) | |
8108 | bnx2x__link_status_update(bp); | |
8109 | ||
8110 | /* start the timer */ | |
8111 | mod_timer(&bp->timer, jiffies + bp->current_interval); | |
8112 | ||
8113 | #ifdef BCM_CNIC | |
8114 | bnx2x_setup_cnic_irq_info(bp); | |
8115 | if (bp->state == BNX2X_STATE_OPEN) | |
8116 | bnx2x_cnic_notify(bp, CNIC_CTL_START_CMD); | |
8117 | #endif | |
8118 | bnx2x_inc_load_cnt(bp); | |
8119 | ||
8120 | return 0; | |
8121 | ||
8122 | #ifdef BCM_CNIC | |
8123 | load_error4: | |
8124 | /* Disable Timer scan */ | |
8125 | REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + BP_PORT(bp)*4, 0); | |
8126 | #endif | |
8127 | load_error3: | |
8128 | bnx2x_int_disable_sync(bp, 1); | |
8129 | if (!BP_NOMCP(bp)) { | |
8130 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP); | |
8131 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); | |
8132 | } | |
8133 | bp->port.pmf = 0; | |
8134 | /* Free SKBs, SGEs, TPA pool and driver internals */ | |
8135 | bnx2x_free_skbs(bp); | |
8136 | for_each_queue(bp, i) | |
8137 | bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); | |
8138 | load_error2: | |
8139 | /* Release IRQs */ | |
8140 | bnx2x_free_irq(bp, false); | |
8141 | load_error1: | |
8142 | bnx2x_napi_disable(bp); | |
8143 | for_each_queue(bp, i) | |
8144 | netif_napi_del(&bnx2x_fp(bp, i, napi)); | |
8145 | bnx2x_free_mem(bp); | |
8146 | ||
8147 | return rc; | |
8148 | } | |
8149 | ||
8150 | static int bnx2x_stop_multi(struct bnx2x *bp, int index) | |
8151 | { | |
8152 | struct bnx2x_fastpath *fp = &bp->fp[index]; | |
8153 | int rc; | |
8154 | ||
8155 | /* halt the connection */ | |
8156 | fp->state = BNX2X_FP_STATE_HALTING; | |
8157 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, fp->cl_id, 0); | |
8158 | ||
8159 | /* Wait for completion */ | |
8160 | rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index, | |
8161 | &(fp->state), 1); | |
8162 | if (rc) /* timeout */ | |
8163 | return rc; | |
8164 | ||
8165 | /* delete cfc entry */ | |
8166 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1); | |
8167 | ||
8168 | /* Wait for completion */ | |
8169 | rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index, | |
8170 | &(fp->state), 1); | |
8171 | return rc; | |
8172 | } | |
8173 | ||
8174 | static int bnx2x_stop_leading(struct bnx2x *bp) | |
8175 | { | |
8176 | __le16 dsb_sp_prod_idx; | |
8177 | /* if the other port is handling traffic, | |
8178 | this can take a lot of time */ | |
8179 | int cnt = 500; | |
8180 | int rc; | |
8181 | ||
8182 | might_sleep(); | |
8183 | ||
8184 | /* Send HALT ramrod */ | |
8185 | bp->fp[0].state = BNX2X_FP_STATE_HALTING; | |
8186 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, bp->fp->cl_id, 0); | |
8187 | ||
8188 | /* Wait for completion */ | |
8189 | rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0, | |
8190 | &(bp->fp[0].state), 1); | |
8191 | if (rc) /* timeout */ | |
8192 | return rc; | |
8193 | ||
8194 | dsb_sp_prod_idx = *bp->dsb_sp_prod; | |
8195 | ||
8196 | /* Send PORT_DELETE ramrod */ | |
8197 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1); | |
8198 | ||
8199 | /* Wait for completion to arrive on default status block | |
8200 | we are going to reset the chip anyway | |
8201 | so there is not much to do if this times out | |
8202 | */ | |
8203 | while (dsb_sp_prod_idx == *bp->dsb_sp_prod) { | |
8204 | if (!cnt) { | |
8205 | DP(NETIF_MSG_IFDOWN, "timeout waiting for port del " | |
8206 | "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n", | |
8207 | *bp->dsb_sp_prod, dsb_sp_prod_idx); | |
8208 | #ifdef BNX2X_STOP_ON_ERROR | |
8209 | bnx2x_panic(); | |
8210 | #endif | |
8211 | rc = -EBUSY; | |
8212 | break; | |
8213 | } | |
8214 | cnt--; | |
8215 | msleep(1); | |
8216 | rmb(); /* Refresh the dsb_sp_prod */ | |
8217 | } | |
8218 | bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD; | |
8219 | bp->fp[0].state = BNX2X_FP_STATE_CLOSED; | |
8220 | ||
8221 | return rc; | |
8222 | } | |
8223 | ||
8224 | static void bnx2x_reset_func(struct bnx2x *bp) | |
8225 | { | |
8226 | int port = BP_PORT(bp); | |
8227 | int func = BP_FUNC(bp); | |
8228 | int base, i; | |
8229 | ||
8230 | /* Configure IGU */ | |
8231 | REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0); | |
8232 | REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0); | |
8233 | ||
8234 | #ifdef BCM_CNIC | |
8235 | /* Disable Timer scan */ | |
8236 | REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0); | |
8237 | /* | |
8238 | * Wait for at least 10ms and up to 2 second for the timers scan to | |
8239 | * complete | |
8240 | */ | |
8241 | for (i = 0; i < 200; i++) { | |
8242 | msleep(10); | |
8243 | if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4)) | |
8244 | break; | |
8245 | } | |
8246 | #endif | |
8247 | /* Clear ILT */ | |
8248 | base = FUNC_ILT_BASE(func); | |
8249 | for (i = base; i < base + ILT_PER_FUNC; i++) | |
8250 | bnx2x_ilt_wr(bp, i, 0); | |
8251 | } | |
8252 | ||
8253 | static void bnx2x_reset_port(struct bnx2x *bp) | |
8254 | { | |
8255 | int port = BP_PORT(bp); | |
8256 | u32 val; | |
8257 | ||
8258 | REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0); | |
8259 | ||
8260 | /* Do not rcv packets to BRB */ | |
8261 | REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0); | |
8262 | /* Do not direct rcv packets that are not for MCP to the BRB */ | |
8263 | REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP : | |
8264 | NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); | |
8265 | ||
8266 | /* Configure AEU */ | |
8267 | REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0); | |
8268 | ||
8269 | msleep(100); | |
8270 | /* Check for BRB port occupancy */ | |
8271 | val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4); | |
8272 | if (val) | |
8273 | DP(NETIF_MSG_IFDOWN, | |
8274 | "BRB1 is not empty %d blocks are occupied\n", val); | |
8275 | ||
8276 | /* TODO: Close Doorbell port? */ | |
8277 | } | |
8278 | ||
8279 | static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code) | |
8280 | { | |
8281 | DP(BNX2X_MSG_MCP, "function %d reset_code %x\n", | |
8282 | BP_FUNC(bp), reset_code); | |
8283 | ||
8284 | switch (reset_code) { | |
8285 | case FW_MSG_CODE_DRV_UNLOAD_COMMON: | |
8286 | bnx2x_reset_port(bp); | |
8287 | bnx2x_reset_func(bp); | |
8288 | bnx2x_reset_common(bp); | |
8289 | break; | |
8290 | ||
8291 | case FW_MSG_CODE_DRV_UNLOAD_PORT: | |
8292 | bnx2x_reset_port(bp); | |
8293 | bnx2x_reset_func(bp); | |
8294 | break; | |
8295 | ||
8296 | case FW_MSG_CODE_DRV_UNLOAD_FUNCTION: | |
8297 | bnx2x_reset_func(bp); | |
8298 | break; | |
8299 | ||
8300 | default: | |
8301 | BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code); | |
8302 | break; | |
8303 | } | |
8304 | } | |
8305 | ||
8306 | static void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode) | |
8307 | { | |
8308 | int port = BP_PORT(bp); | |
8309 | u32 reset_code = 0; | |
8310 | int i, cnt, rc; | |
8311 | ||
8312 | /* Wait until tx fastpath tasks complete */ | |
8313 | for_each_queue(bp, i) { | |
8314 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
8315 | ||
8316 | cnt = 1000; | |
8317 | while (bnx2x_has_tx_work_unload(fp)) { | |
8318 | ||
8319 | bnx2x_tx_int(fp); | |
8320 | if (!cnt) { | |
8321 | BNX2X_ERR("timeout waiting for queue[%d]\n", | |
8322 | i); | |
8323 | #ifdef BNX2X_STOP_ON_ERROR | |
8324 | bnx2x_panic(); | |
8325 | return -EBUSY; | |
8326 | #else | |
8327 | break; | |
8328 | #endif | |
8329 | } | |
8330 | cnt--; | |
8331 | msleep(1); | |
8332 | } | |
8333 | } | |
8334 | /* Give HW time to discard old tx messages */ | |
8335 | msleep(1); | |
8336 | ||
8337 | if (CHIP_IS_E1(bp)) { | |
8338 | struct mac_configuration_cmd *config = | |
8339 | bnx2x_sp(bp, mcast_config); | |
8340 | ||
8341 | bnx2x_set_eth_mac_addr_e1(bp, 0); | |
8342 | ||
8343 | for (i = 0; i < config->hdr.length; i++) | |
8344 | CAM_INVALIDATE(config->config_table[i]); | |
8345 | ||
8346 | config->hdr.length = i; | |
8347 | if (CHIP_REV_IS_SLOW(bp)) | |
8348 | config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port); | |
8349 | else | |
8350 | config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port); | |
8351 | config->hdr.client_id = bp->fp->cl_id; | |
8352 | config->hdr.reserved1 = 0; | |
8353 | ||
8354 | bp->set_mac_pending++; | |
8355 | smp_wmb(); | |
8356 | ||
8357 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
8358 | U64_HI(bnx2x_sp_mapping(bp, mcast_config)), | |
8359 | U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0); | |
8360 | ||
8361 | } else { /* E1H */ | |
8362 | REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0); | |
8363 | ||
8364 | bnx2x_set_eth_mac_addr_e1h(bp, 0); | |
8365 | ||
8366 | for (i = 0; i < MC_HASH_SIZE; i++) | |
8367 | REG_WR(bp, MC_HASH_OFFSET(bp, i), 0); | |
8368 | ||
8369 | REG_WR(bp, MISC_REG_E1HMF_MODE, 0); | |
8370 | } | |
8371 | #ifdef BCM_CNIC | |
8372 | /* Clear iSCSI L2 MAC */ | |
8373 | mutex_lock(&bp->cnic_mutex); | |
8374 | if (bp->cnic_flags & BNX2X_CNIC_FLAG_MAC_SET) { | |
8375 | bnx2x_set_iscsi_eth_mac_addr(bp, 0); | |
8376 | bp->cnic_flags &= ~BNX2X_CNIC_FLAG_MAC_SET; | |
8377 | } | |
8378 | mutex_unlock(&bp->cnic_mutex); | |
8379 | #endif | |
8380 | ||
8381 | if (unload_mode == UNLOAD_NORMAL) | |
8382 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; | |
8383 | ||
8384 | else if (bp->flags & NO_WOL_FLAG) | |
8385 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP; | |
8386 | ||
8387 | else if (bp->wol) { | |
8388 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
8389 | u8 *mac_addr = bp->dev->dev_addr; | |
8390 | u32 val; | |
8391 | /* The mac address is written to entries 1-4 to | |
8392 | preserve entry 0 which is used by the PMF */ | |
8393 | u8 entry = (BP_E1HVN(bp) + 1)*8; | |
8394 | ||
8395 | val = (mac_addr[0] << 8) | mac_addr[1]; | |
8396 | EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val); | |
8397 | ||
8398 | val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | | |
8399 | (mac_addr[4] << 8) | mac_addr[5]; | |
8400 | EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val); | |
8401 | ||
8402 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN; | |
8403 | ||
8404 | } else | |
8405 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; | |
8406 | ||
8407 | /* Close multi and leading connections | |
8408 | Completions for ramrods are collected in a synchronous way */ | |
8409 | for_each_nondefault_queue(bp, i) | |
8410 | if (bnx2x_stop_multi(bp, i)) | |
8411 | goto unload_error; | |
8412 | ||
8413 | rc = bnx2x_stop_leading(bp); | |
8414 | if (rc) { | |
8415 | BNX2X_ERR("Stop leading failed!\n"); | |
8416 | #ifdef BNX2X_STOP_ON_ERROR | |
8417 | return -EBUSY; | |
8418 | #else | |
8419 | goto unload_error; | |
8420 | #endif | |
8421 | } | |
8422 | ||
8423 | unload_error: | |
8424 | if (!BP_NOMCP(bp)) | |
8425 | reset_code = bnx2x_fw_command(bp, reset_code); | |
8426 | else { | |
8427 | DP(NETIF_MSG_IFDOWN, "NO MCP - load counts %d, %d, %d\n", | |
8428 | load_count[0], load_count[1], load_count[2]); | |
8429 | load_count[0]--; | |
8430 | load_count[1 + port]--; | |
8431 | DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts %d, %d, %d\n", | |
8432 | load_count[0], load_count[1], load_count[2]); | |
8433 | if (load_count[0] == 0) | |
8434 | reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON; | |
8435 | else if (load_count[1 + port] == 0) | |
8436 | reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT; | |
8437 | else | |
8438 | reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION; | |
8439 | } | |
8440 | ||
8441 | if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) || | |
8442 | (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT)) | |
8443 | bnx2x__link_reset(bp); | |
8444 | ||
8445 | /* Reset the chip */ | |
8446 | bnx2x_reset_chip(bp, reset_code); | |
8447 | ||
8448 | /* Report UNLOAD_DONE to MCP */ | |
8449 | if (!BP_NOMCP(bp)) | |
8450 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); | |
8451 | ||
8452 | } | |
8453 | ||
8454 | static inline void bnx2x_disable_close_the_gate(struct bnx2x *bp) | |
8455 | { | |
8456 | u32 val; | |
8457 | ||
8458 | DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n"); | |
8459 | ||
8460 | if (CHIP_IS_E1(bp)) { | |
8461 | int port = BP_PORT(bp); | |
8462 | u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
8463 | MISC_REG_AEU_MASK_ATTN_FUNC_0; | |
8464 | ||
8465 | val = REG_RD(bp, addr); | |
8466 | val &= ~(0x300); | |
8467 | REG_WR(bp, addr, val); | |
8468 | } else if (CHIP_IS_E1H(bp)) { | |
8469 | val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK); | |
8470 | val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK | | |
8471 | MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK); | |
8472 | REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val); | |
8473 | } | |
8474 | } | |
8475 | ||
8476 | /* must be called with rtnl_lock */ | |
8477 | static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode) | |
8478 | { | |
8479 | int i; | |
8480 | ||
8481 | if (bp->state == BNX2X_STATE_CLOSED) { | |
8482 | /* Interface has been removed - nothing to recover */ | |
8483 | bp->recovery_state = BNX2X_RECOVERY_DONE; | |
8484 | bp->is_leader = 0; | |
8485 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08); | |
8486 | smp_wmb(); | |
8487 | ||
8488 | return -EINVAL; | |
8489 | } | |
8490 | ||
8491 | #ifdef BCM_CNIC | |
8492 | bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD); | |
8493 | #endif | |
8494 | bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT; | |
8495 | ||
8496 | /* Set "drop all" */ | |
8497 | bp->rx_mode = BNX2X_RX_MODE_NONE; | |
8498 | bnx2x_set_storm_rx_mode(bp); | |
8499 | ||
8500 | /* Disable HW interrupts, NAPI and Tx */ | |
8501 | bnx2x_netif_stop(bp, 1); | |
8502 | ||
8503 | del_timer_sync(&bp->timer); | |
8504 | SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb, | |
8505 | (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq)); | |
8506 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
8507 | ||
8508 | /* Release IRQs */ | |
8509 | bnx2x_free_irq(bp, false); | |
8510 | ||
8511 | /* Cleanup the chip if needed */ | |
8512 | if (unload_mode != UNLOAD_RECOVERY) | |
8513 | bnx2x_chip_cleanup(bp, unload_mode); | |
8514 | ||
8515 | bp->port.pmf = 0; | |
8516 | ||
8517 | /* Free SKBs, SGEs, TPA pool and driver internals */ | |
8518 | bnx2x_free_skbs(bp); | |
8519 | for_each_queue(bp, i) | |
8520 | bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); | |
8521 | for_each_queue(bp, i) | |
8522 | netif_napi_del(&bnx2x_fp(bp, i, napi)); | |
8523 | bnx2x_free_mem(bp); | |
8524 | ||
8525 | bp->state = BNX2X_STATE_CLOSED; | |
8526 | ||
8527 | netif_carrier_off(bp->dev); | |
8528 | ||
8529 | /* The last driver must disable a "close the gate" if there is no | |
8530 | * parity attention or "process kill" pending. | |
8531 | */ | |
8532 | if ((!bnx2x_dec_load_cnt(bp)) && (!bnx2x_chk_parity_attn(bp)) && | |
8533 | bnx2x_reset_is_done(bp)) | |
8534 | bnx2x_disable_close_the_gate(bp); | |
8535 | ||
8536 | /* Reset MCP mail box sequence if there is on going recovery */ | |
8537 | if (unload_mode == UNLOAD_RECOVERY) | |
8538 | bp->fw_seq = 0; | |
8539 | ||
8540 | return 0; | |
8541 | } | |
8542 | ||
8543 | /* Close gates #2, #3 and #4: */ | |
8544 | static void bnx2x_set_234_gates(struct bnx2x *bp, bool close) | |
8545 | { | |
8546 | u32 val, addr; | |
8547 | ||
8548 | /* Gates #2 and #4a are closed/opened for "not E1" only */ | |
8549 | if (!CHIP_IS_E1(bp)) { | |
8550 | /* #4 */ | |
8551 | val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS); | |
8552 | REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, | |
8553 | close ? (val | 0x1) : (val & (~(u32)1))); | |
8554 | /* #2 */ | |
8555 | val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES); | |
8556 | REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, | |
8557 | close ? (val | 0x1) : (val & (~(u32)1))); | |
8558 | } | |
8559 | ||
8560 | /* #3 */ | |
8561 | addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; | |
8562 | val = REG_RD(bp, addr); | |
8563 | REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1))); | |
8564 | ||
8565 | DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n", | |
8566 | close ? "closing" : "opening"); | |
8567 | mmiowb(); | |
8568 | } | |
8569 | ||
8570 | #define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */ | |
8571 | ||
8572 | static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val) | |
8573 | { | |
8574 | /* Do some magic... */ | |
8575 | u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb); | |
8576 | *magic_val = val & SHARED_MF_CLP_MAGIC; | |
8577 | MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC); | |
8578 | } | |
8579 | ||
8580 | /* Restore the value of the `magic' bit. | |
8581 | * | |
8582 | * @param pdev Device handle. | |
8583 | * @param magic_val Old value of the `magic' bit. | |
8584 | */ | |
8585 | static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val) | |
8586 | { | |
8587 | /* Restore the `magic' bit value... */ | |
8588 | /* u32 val = SHMEM_RD(bp, mf_cfg.shared_mf_config.clp_mb); | |
8589 | SHMEM_WR(bp, mf_cfg.shared_mf_config.clp_mb, | |
8590 | (val & (~SHARED_MF_CLP_MAGIC)) | magic_val); */ | |
8591 | u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb); | |
8592 | MF_CFG_WR(bp, shared_mf_config.clp_mb, | |
8593 | (val & (~SHARED_MF_CLP_MAGIC)) | magic_val); | |
8594 | } | |
8595 | ||
8596 | /* Prepares for MCP reset: takes care of CLP configurations. | |
8597 | * | |
8598 | * @param bp | |
8599 | * @param magic_val Old value of 'magic' bit. | |
8600 | */ | |
8601 | static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val) | |
8602 | { | |
8603 | u32 shmem; | |
8604 | u32 validity_offset; | |
8605 | ||
8606 | DP(NETIF_MSG_HW, "Starting\n"); | |
8607 | ||
8608 | /* Set `magic' bit in order to save MF config */ | |
8609 | if (!CHIP_IS_E1(bp)) | |
8610 | bnx2x_clp_reset_prep(bp, magic_val); | |
8611 | ||
8612 | /* Get shmem offset */ | |
8613 | shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); | |
8614 | validity_offset = offsetof(struct shmem_region, validity_map[0]); | |
8615 | ||
8616 | /* Clear validity map flags */ | |
8617 | if (shmem > 0) | |
8618 | REG_WR(bp, shmem + validity_offset, 0); | |
8619 | } | |
8620 | ||
8621 | #define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */ | |
8622 | #define MCP_ONE_TIMEOUT 100 /* 100 ms */ | |
8623 | ||
8624 | /* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10, | |
8625 | * depending on the HW type. | |
8626 | * | |
8627 | * @param bp | |
8628 | */ | |
8629 | static inline void bnx2x_mcp_wait_one(struct bnx2x *bp) | |
8630 | { | |
8631 | /* special handling for emulation and FPGA, | |
8632 | wait 10 times longer */ | |
8633 | if (CHIP_REV_IS_SLOW(bp)) | |
8634 | msleep(MCP_ONE_TIMEOUT*10); | |
8635 | else | |
8636 | msleep(MCP_ONE_TIMEOUT); | |
8637 | } | |
8638 | ||
8639 | static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val) | |
8640 | { | |
8641 | u32 shmem, cnt, validity_offset, val; | |
8642 | int rc = 0; | |
8643 | ||
8644 | msleep(100); | |
8645 | ||
8646 | /* Get shmem offset */ | |
8647 | shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); | |
8648 | if (shmem == 0) { | |
8649 | BNX2X_ERR("Shmem 0 return failure\n"); | |
8650 | rc = -ENOTTY; | |
8651 | goto exit_lbl; | |
8652 | } | |
8653 | ||
8654 | validity_offset = offsetof(struct shmem_region, validity_map[0]); | |
8655 | ||
8656 | /* Wait for MCP to come up */ | |
8657 | for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) { | |
8658 | /* TBD: its best to check validity map of last port. | |
8659 | * currently checks on port 0. | |
8660 | */ | |
8661 | val = REG_RD(bp, shmem + validity_offset); | |
8662 | DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem, | |
8663 | shmem + validity_offset, val); | |
8664 | ||
8665 | /* check that shared memory is valid. */ | |
8666 | if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
8667 | == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
8668 | break; | |
8669 | ||
8670 | bnx2x_mcp_wait_one(bp); | |
8671 | } | |
8672 | ||
8673 | DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val); | |
8674 | ||
8675 | /* Check that shared memory is valid. This indicates that MCP is up. */ | |
8676 | if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) != | |
8677 | (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) { | |
8678 | BNX2X_ERR("Shmem signature not present. MCP is not up !!\n"); | |
8679 | rc = -ENOTTY; | |
8680 | goto exit_lbl; | |
8681 | } | |
8682 | ||
8683 | exit_lbl: | |
8684 | /* Restore the `magic' bit value */ | |
8685 | if (!CHIP_IS_E1(bp)) | |
8686 | bnx2x_clp_reset_done(bp, magic_val); | |
8687 | ||
8688 | return rc; | |
8689 | } | |
8690 | ||
8691 | static void bnx2x_pxp_prep(struct bnx2x *bp) | |
8692 | { | |
8693 | if (!CHIP_IS_E1(bp)) { | |
8694 | REG_WR(bp, PXP2_REG_RD_START_INIT, 0); | |
8695 | REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0); | |
8696 | REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0); | |
8697 | mmiowb(); | |
8698 | } | |
8699 | } | |
8700 | ||
8701 | /* | |
8702 | * Reset the whole chip except for: | |
8703 | * - PCIE core | |
8704 | * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by | |
8705 | * one reset bit) | |
8706 | * - IGU | |
8707 | * - MISC (including AEU) | |
8708 | * - GRC | |
8709 | * - RBCN, RBCP | |
8710 | */ | |
8711 | static void bnx2x_process_kill_chip_reset(struct bnx2x *bp) | |
8712 | { | |
8713 | u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2; | |
8714 | ||
8715 | not_reset_mask1 = | |
8716 | MISC_REGISTERS_RESET_REG_1_RST_HC | | |
8717 | MISC_REGISTERS_RESET_REG_1_RST_PXPV | | |
8718 | MISC_REGISTERS_RESET_REG_1_RST_PXP; | |
8719 | ||
8720 | not_reset_mask2 = | |
8721 | MISC_REGISTERS_RESET_REG_2_RST_MDIO | | |
8722 | MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE | | |
8723 | MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE | | |
8724 | MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE | | |
8725 | MISC_REGISTERS_RESET_REG_2_RST_RBCN | | |
8726 | MISC_REGISTERS_RESET_REG_2_RST_GRC | | |
8727 | MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE | | |
8728 | MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B; | |
8729 | ||
8730 | reset_mask1 = 0xffffffff; | |
8731 | ||
8732 | if (CHIP_IS_E1(bp)) | |
8733 | reset_mask2 = 0xffff; | |
8734 | else | |
8735 | reset_mask2 = 0x1ffff; | |
8736 | ||
8737 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
8738 | reset_mask1 & (~not_reset_mask1)); | |
8739 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
8740 | reset_mask2 & (~not_reset_mask2)); | |
8741 | ||
8742 | barrier(); | |
8743 | mmiowb(); | |
8744 | ||
8745 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1); | |
8746 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2); | |
8747 | mmiowb(); | |
8748 | } | |
8749 | ||
8750 | static int bnx2x_process_kill(struct bnx2x *bp) | |
8751 | { | |
8752 | int cnt = 1000; | |
8753 | u32 val = 0; | |
8754 | u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2; | |
8755 | ||
8756 | ||
8757 | /* Empty the Tetris buffer, wait for 1s */ | |
8758 | do { | |
8759 | sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT); | |
8760 | blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT); | |
8761 | port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0); | |
8762 | port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1); | |
8763 | pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2); | |
8764 | if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) && | |
8765 | ((port_is_idle_0 & 0x1) == 0x1) && | |
8766 | ((port_is_idle_1 & 0x1) == 0x1) && | |
8767 | (pgl_exp_rom2 == 0xffffffff)) | |
8768 | break; | |
8769 | msleep(1); | |
8770 | } while (cnt-- > 0); | |
8771 | ||
8772 | if (cnt <= 0) { | |
8773 | DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there" | |
8774 | " are still" | |
8775 | " outstanding read requests after 1s!\n"); | |
8776 | DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x," | |
8777 | " port_is_idle_0=0x%08x," | |
8778 | " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n", | |
8779 | sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, | |
8780 | pgl_exp_rom2); | |
8781 | return -EAGAIN; | |
8782 | } | |
8783 | ||
8784 | barrier(); | |
8785 | ||
8786 | /* Close gates #2, #3 and #4 */ | |
8787 | bnx2x_set_234_gates(bp, true); | |
8788 | ||
8789 | /* TBD: Indicate that "process kill" is in progress to MCP */ | |
8790 | ||
8791 | /* Clear "unprepared" bit */ | |
8792 | REG_WR(bp, MISC_REG_UNPREPARED, 0); | |
8793 | barrier(); | |
8794 | ||
8795 | /* Make sure all is written to the chip before the reset */ | |
8796 | mmiowb(); | |
8797 | ||
8798 | /* Wait for 1ms to empty GLUE and PCI-E core queues, | |
8799 | * PSWHST, GRC and PSWRD Tetris buffer. | |
8800 | */ | |
8801 | msleep(1); | |
8802 | ||
8803 | /* Prepare to chip reset: */ | |
8804 | /* MCP */ | |
8805 | bnx2x_reset_mcp_prep(bp, &val); | |
8806 | ||
8807 | /* PXP */ | |
8808 | bnx2x_pxp_prep(bp); | |
8809 | barrier(); | |
8810 | ||
8811 | /* reset the chip */ | |
8812 | bnx2x_process_kill_chip_reset(bp); | |
8813 | barrier(); | |
8814 | ||
8815 | /* Recover after reset: */ | |
8816 | /* MCP */ | |
8817 | if (bnx2x_reset_mcp_comp(bp, val)) | |
8818 | return -EAGAIN; | |
8819 | ||
8820 | /* PXP */ | |
8821 | bnx2x_pxp_prep(bp); | |
8822 | ||
8823 | /* Open the gates #2, #3 and #4 */ | |
8824 | bnx2x_set_234_gates(bp, false); | |
8825 | ||
8826 | /* TBD: IGU/AEU preparation bring back the AEU/IGU to a | |
8827 | * reset state, re-enable attentions. */ | |
8828 | ||
8829 | return 0; | |
8830 | } | |
8831 | ||
8832 | static int bnx2x_leader_reset(struct bnx2x *bp) | |
8833 | { | |
8834 | int rc = 0; | |
8835 | /* Try to recover after the failure */ | |
8836 | if (bnx2x_process_kill(bp)) { | |
8837 | printk(KERN_ERR "%s: Something bad had happen! Aii!\n", | |
8838 | bp->dev->name); | |
8839 | rc = -EAGAIN; | |
8840 | goto exit_leader_reset; | |
8841 | } | |
8842 | ||
8843 | /* Clear "reset is in progress" bit and update the driver state */ | |
8844 | bnx2x_set_reset_done(bp); | |
8845 | bp->recovery_state = BNX2X_RECOVERY_DONE; | |
8846 | ||
8847 | exit_leader_reset: | |
8848 | bp->is_leader = 0; | |
8849 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08); | |
8850 | smp_wmb(); | |
8851 | return rc; | |
8852 | } | |
8853 | ||
8854 | static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state); | |
8855 | ||
8856 | /* Assumption: runs under rtnl lock. This together with the fact | |
8857 | * that it's called only from bnx2x_reset_task() ensure that it | |
8858 | * will never be called when netif_running(bp->dev) is false. | |
8859 | */ | |
8860 | static void bnx2x_parity_recover(struct bnx2x *bp) | |
8861 | { | |
8862 | DP(NETIF_MSG_HW, "Handling parity\n"); | |
8863 | while (1) { | |
8864 | switch (bp->recovery_state) { | |
8865 | case BNX2X_RECOVERY_INIT: | |
8866 | DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n"); | |
8867 | /* Try to get a LEADER_LOCK HW lock */ | |
8868 | if (bnx2x_trylock_hw_lock(bp, | |
8869 | HW_LOCK_RESOURCE_RESERVED_08)) | |
8870 | bp->is_leader = 1; | |
8871 | ||
8872 | /* Stop the driver */ | |
8873 | /* If interface has been removed - break */ | |
8874 | if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY)) | |
8875 | return; | |
8876 | ||
8877 | bp->recovery_state = BNX2X_RECOVERY_WAIT; | |
8878 | /* Ensure "is_leader" and "recovery_state" | |
8879 | * update values are seen on other CPUs | |
8880 | */ | |
8881 | smp_wmb(); | |
8882 | break; | |
8883 | ||
8884 | case BNX2X_RECOVERY_WAIT: | |
8885 | DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n"); | |
8886 | if (bp->is_leader) { | |
8887 | u32 load_counter = bnx2x_get_load_cnt(bp); | |
8888 | if (load_counter) { | |
8889 | /* Wait until all other functions get | |
8890 | * down. | |
8891 | */ | |
8892 | schedule_delayed_work(&bp->reset_task, | |
8893 | HZ/10); | |
8894 | return; | |
8895 | } else { | |
8896 | /* If all other functions got down - | |
8897 | * try to bring the chip back to | |
8898 | * normal. In any case it's an exit | |
8899 | * point for a leader. | |
8900 | */ | |
8901 | if (bnx2x_leader_reset(bp) || | |
8902 | bnx2x_nic_load(bp, LOAD_NORMAL)) { | |
8903 | printk(KERN_ERR"%s: Recovery " | |
8904 | "has failed. Power cycle is " | |
8905 | "needed.\n", bp->dev->name); | |
8906 | /* Disconnect this device */ | |
8907 | netif_device_detach(bp->dev); | |
8908 | /* Block ifup for all function | |
8909 | * of this ASIC until | |
8910 | * "process kill" or power | |
8911 | * cycle. | |
8912 | */ | |
8913 | bnx2x_set_reset_in_progress(bp); | |
8914 | /* Shut down the power */ | |
8915 | bnx2x_set_power_state(bp, | |
8916 | PCI_D3hot); | |
8917 | return; | |
8918 | } | |
8919 | ||
8920 | return; | |
8921 | } | |
8922 | } else { /* non-leader */ | |
8923 | if (!bnx2x_reset_is_done(bp)) { | |
8924 | /* Try to get a LEADER_LOCK HW lock as | |
8925 | * long as a former leader may have | |
8926 | * been unloaded by the user or | |
8927 | * released a leadership by another | |
8928 | * reason. | |
8929 | */ | |
8930 | if (bnx2x_trylock_hw_lock(bp, | |
8931 | HW_LOCK_RESOURCE_RESERVED_08)) { | |
8932 | /* I'm a leader now! Restart a | |
8933 | * switch case. | |
8934 | */ | |
8935 | bp->is_leader = 1; | |
8936 | break; | |
8937 | } | |
8938 | ||
8939 | schedule_delayed_work(&bp->reset_task, | |
8940 | HZ/10); | |
8941 | return; | |
8942 | ||
8943 | } else { /* A leader has completed | |
8944 | * the "process kill". It's an exit | |
8945 | * point for a non-leader. | |
8946 | */ | |
8947 | bnx2x_nic_load(bp, LOAD_NORMAL); | |
8948 | bp->recovery_state = | |
8949 | BNX2X_RECOVERY_DONE; | |
8950 | smp_wmb(); | |
8951 | return; | |
8952 | } | |
8953 | } | |
8954 | default: | |
8955 | return; | |
8956 | } | |
8957 | } | |
8958 | } | |
8959 | ||
8960 | /* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is | |
8961 | * scheduled on a general queue in order to prevent a dead lock. | |
8962 | */ | |
8963 | static void bnx2x_reset_task(struct work_struct *work) | |
8964 | { | |
8965 | struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work); | |
8966 | ||
8967 | #ifdef BNX2X_STOP_ON_ERROR | |
8968 | BNX2X_ERR("reset task called but STOP_ON_ERROR defined" | |
8969 | " so reset not done to allow debug dump,\n" | |
8970 | KERN_ERR " you will need to reboot when done\n"); | |
8971 | return; | |
8972 | #endif | |
8973 | ||
8974 | rtnl_lock(); | |
8975 | ||
8976 | if (!netif_running(bp->dev)) | |
8977 | goto reset_task_exit; | |
8978 | ||
8979 | if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) | |
8980 | bnx2x_parity_recover(bp); | |
8981 | else { | |
8982 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
8983 | bnx2x_nic_load(bp, LOAD_NORMAL); | |
8984 | } | |
8985 | ||
8986 | reset_task_exit: | |
8987 | rtnl_unlock(); | |
8988 | } | |
8989 | ||
8990 | /* end of nic load/unload */ | |
8991 | ||
8992 | /* ethtool_ops */ | |
8993 | ||
8994 | /* | |
8995 | * Init service functions | |
8996 | */ | |
8997 | ||
8998 | static inline u32 bnx2x_get_pretend_reg(struct bnx2x *bp, int func) | |
8999 | { | |
9000 | switch (func) { | |
9001 | case 0: return PXP2_REG_PGL_PRETEND_FUNC_F0; | |
9002 | case 1: return PXP2_REG_PGL_PRETEND_FUNC_F1; | |
9003 | case 2: return PXP2_REG_PGL_PRETEND_FUNC_F2; | |
9004 | case 3: return PXP2_REG_PGL_PRETEND_FUNC_F3; | |
9005 | case 4: return PXP2_REG_PGL_PRETEND_FUNC_F4; | |
9006 | case 5: return PXP2_REG_PGL_PRETEND_FUNC_F5; | |
9007 | case 6: return PXP2_REG_PGL_PRETEND_FUNC_F6; | |
9008 | case 7: return PXP2_REG_PGL_PRETEND_FUNC_F7; | |
9009 | default: | |
9010 | BNX2X_ERR("Unsupported function index: %d\n", func); | |
9011 | return (u32)(-1); | |
9012 | } | |
9013 | } | |
9014 | ||
9015 | static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp, int orig_func) | |
9016 | { | |
9017 | u32 reg = bnx2x_get_pretend_reg(bp, orig_func), new_val; | |
9018 | ||
9019 | /* Flush all outstanding writes */ | |
9020 | mmiowb(); | |
9021 | ||
9022 | /* Pretend to be function 0 */ | |
9023 | REG_WR(bp, reg, 0); | |
9024 | /* Flush the GRC transaction (in the chip) */ | |
9025 | new_val = REG_RD(bp, reg); | |
9026 | if (new_val != 0) { | |
9027 | BNX2X_ERR("Hmmm... Pretend register wasn't updated: (0,%d)!\n", | |
9028 | new_val); | |
9029 | BUG(); | |
9030 | } | |
9031 | ||
9032 | /* From now we are in the "like-E1" mode */ | |
9033 | bnx2x_int_disable(bp); | |
9034 | ||
9035 | /* Flush all outstanding writes */ | |
9036 | mmiowb(); | |
9037 | ||
9038 | /* Restore the original funtion settings */ | |
9039 | REG_WR(bp, reg, orig_func); | |
9040 | new_val = REG_RD(bp, reg); | |
9041 | if (new_val != orig_func) { | |
9042 | BNX2X_ERR("Hmmm... Pretend register wasn't updated: (%d,%d)!\n", | |
9043 | orig_func, new_val); | |
9044 | BUG(); | |
9045 | } | |
9046 | } | |
9047 | ||
9048 | static inline void bnx2x_undi_int_disable(struct bnx2x *bp, int func) | |
9049 | { | |
9050 | if (CHIP_IS_E1H(bp)) | |
9051 | bnx2x_undi_int_disable_e1h(bp, func); | |
9052 | else | |
9053 | bnx2x_int_disable(bp); | |
9054 | } | |
9055 | ||
9056 | static void __devinit bnx2x_undi_unload(struct bnx2x *bp) | |
9057 | { | |
9058 | u32 val; | |
9059 | ||
9060 | /* Check if there is any driver already loaded */ | |
9061 | val = REG_RD(bp, MISC_REG_UNPREPARED); | |
9062 | if (val == 0x1) { | |
9063 | /* Check if it is the UNDI driver | |
9064 | * UNDI driver initializes CID offset for normal bell to 0x7 | |
9065 | */ | |
9066 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); | |
9067 | val = REG_RD(bp, DORQ_REG_NORM_CID_OFST); | |
9068 | if (val == 0x7) { | |
9069 | u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; | |
9070 | /* save our func */ | |
9071 | int func = BP_FUNC(bp); | |
9072 | u32 swap_en; | |
9073 | u32 swap_val; | |
9074 | ||
9075 | /* clear the UNDI indication */ | |
9076 | REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0); | |
9077 | ||
9078 | BNX2X_DEV_INFO("UNDI is active! reset device\n"); | |
9079 | ||
9080 | /* try unload UNDI on port 0 */ | |
9081 | bp->func = 0; | |
9082 | bp->fw_seq = | |
9083 | (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & | |
9084 | DRV_MSG_SEQ_NUMBER_MASK); | |
9085 | reset_code = bnx2x_fw_command(bp, reset_code); | |
9086 | ||
9087 | /* if UNDI is loaded on the other port */ | |
9088 | if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) { | |
9089 | ||
9090 | /* send "DONE" for previous unload */ | |
9091 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); | |
9092 | ||
9093 | /* unload UNDI on port 1 */ | |
9094 | bp->func = 1; | |
9095 | bp->fw_seq = | |
9096 | (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & | |
9097 | DRV_MSG_SEQ_NUMBER_MASK); | |
9098 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; | |
9099 | ||
9100 | bnx2x_fw_command(bp, reset_code); | |
9101 | } | |
9102 | ||
9103 | /* now it's safe to release the lock */ | |
9104 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); | |
9105 | ||
9106 | bnx2x_undi_int_disable(bp, func); | |
9107 | ||
9108 | /* close input traffic and wait for it */ | |
9109 | /* Do not rcv packets to BRB */ | |
9110 | REG_WR(bp, | |
9111 | (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK : | |
9112 | NIG_REG_LLH0_BRB1_DRV_MASK), 0x0); | |
9113 | /* Do not direct rcv packets that are not for MCP to | |
9114 | * the BRB */ | |
9115 | REG_WR(bp, | |
9116 | (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP : | |
9117 | NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); | |
9118 | /* clear AEU */ | |
9119 | REG_WR(bp, | |
9120 | (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
9121 | MISC_REG_AEU_MASK_ATTN_FUNC_0), 0); | |
9122 | msleep(10); | |
9123 | ||
9124 | /* save NIG port swap info */ | |
9125 | swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); | |
9126 | swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); | |
9127 | /* reset device */ | |
9128 | REG_WR(bp, | |
9129 | GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
9130 | 0xd3ffffff); | |
9131 | REG_WR(bp, | |
9132 | GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
9133 | 0x1403); | |
9134 | /* take the NIG out of reset and restore swap values */ | |
9135 | REG_WR(bp, | |
9136 | GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, | |
9137 | MISC_REGISTERS_RESET_REG_1_RST_NIG); | |
9138 | REG_WR(bp, NIG_REG_PORT_SWAP, swap_val); | |
9139 | REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en); | |
9140 | ||
9141 | /* send unload done to the MCP */ | |
9142 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); | |
9143 | ||
9144 | /* restore our func and fw_seq */ | |
9145 | bp->func = func; | |
9146 | bp->fw_seq = | |
9147 | (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & | |
9148 | DRV_MSG_SEQ_NUMBER_MASK); | |
9149 | ||
9150 | } else | |
9151 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); | |
9152 | } | |
9153 | } | |
9154 | ||
9155 | static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) | |
9156 | { | |
9157 | u32 val, val2, val3, val4, id; | |
9158 | u16 pmc; | |
9159 | ||
9160 | /* Get the chip revision id and number. */ | |
9161 | /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */ | |
9162 | val = REG_RD(bp, MISC_REG_CHIP_NUM); | |
9163 | id = ((val & 0xffff) << 16); | |
9164 | val = REG_RD(bp, MISC_REG_CHIP_REV); | |
9165 | id |= ((val & 0xf) << 12); | |
9166 | val = REG_RD(bp, MISC_REG_CHIP_METAL); | |
9167 | id |= ((val & 0xff) << 4); | |
9168 | val = REG_RD(bp, MISC_REG_BOND_ID); | |
9169 | id |= (val & 0xf); | |
9170 | bp->common.chip_id = id; | |
9171 | bp->link_params.chip_id = bp->common.chip_id; | |
9172 | BNX2X_DEV_INFO("chip ID is 0x%x\n", id); | |
9173 | ||
9174 | val = (REG_RD(bp, 0x2874) & 0x55); | |
9175 | if ((bp->common.chip_id & 0x1) || | |
9176 | (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) { | |
9177 | bp->flags |= ONE_PORT_FLAG; | |
9178 | BNX2X_DEV_INFO("single port device\n"); | |
9179 | } | |
9180 | ||
9181 | val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4); | |
9182 | bp->common.flash_size = (NVRAM_1MB_SIZE << | |
9183 | (val & MCPR_NVM_CFG4_FLASH_SIZE)); | |
9184 | BNX2X_DEV_INFO("flash_size 0x%x (%d)\n", | |
9185 | bp->common.flash_size, bp->common.flash_size); | |
9186 | ||
9187 | bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); | |
9188 | bp->common.shmem2_base = REG_RD(bp, MISC_REG_GENERIC_CR_0); | |
9189 | bp->link_params.shmem_base = bp->common.shmem_base; | |
9190 | BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n", | |
9191 | bp->common.shmem_base, bp->common.shmem2_base); | |
9192 | ||
9193 | if (!bp->common.shmem_base || | |
9194 | (bp->common.shmem_base < 0xA0000) || | |
9195 | (bp->common.shmem_base >= 0xC0000)) { | |
9196 | BNX2X_DEV_INFO("MCP not active\n"); | |
9197 | bp->flags |= NO_MCP_FLAG; | |
9198 | return; | |
9199 | } | |
9200 | ||
9201 | val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]); | |
9202 | if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
9203 | != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
9204 | BNX2X_ERROR("BAD MCP validity signature\n"); | |
9205 | ||
9206 | bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config); | |
9207 | BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config); | |
9208 | ||
9209 | bp->link_params.hw_led_mode = ((bp->common.hw_config & | |
9210 | SHARED_HW_CFG_LED_MODE_MASK) >> | |
9211 | SHARED_HW_CFG_LED_MODE_SHIFT); | |
9212 | ||
9213 | bp->link_params.feature_config_flags = 0; | |
9214 | val = SHMEM_RD(bp, dev_info.shared_feature_config.config); | |
9215 | if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED) | |
9216 | bp->link_params.feature_config_flags |= | |
9217 | FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED; | |
9218 | else | |
9219 | bp->link_params.feature_config_flags &= | |
9220 | ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED; | |
9221 | ||
9222 | val = SHMEM_RD(bp, dev_info.bc_rev) >> 8; | |
9223 | bp->common.bc_ver = val; | |
9224 | BNX2X_DEV_INFO("bc_ver %X\n", val); | |
9225 | if (val < BNX2X_BC_VER) { | |
9226 | /* for now only warn | |
9227 | * later we might need to enforce this */ | |
9228 | BNX2X_ERROR("This driver needs bc_ver %X but found %X, " | |
9229 | "please upgrade BC\n", BNX2X_BC_VER, val); | |
9230 | } | |
9231 | bp->link_params.feature_config_flags |= | |
9232 | (val >= REQ_BC_VER_4_VRFY_OPT_MDL) ? | |
9233 | FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0; | |
9234 | ||
9235 | if (BP_E1HVN(bp) == 0) { | |
9236 | pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc); | |
9237 | bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG; | |
9238 | } else { | |
9239 | /* no WOL capability for E1HVN != 0 */ | |
9240 | bp->flags |= NO_WOL_FLAG; | |
9241 | } | |
9242 | BNX2X_DEV_INFO("%sWoL capable\n", | |
9243 | (bp->flags & NO_WOL_FLAG) ? "not " : ""); | |
9244 | ||
9245 | val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num); | |
9246 | val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]); | |
9247 | val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]); | |
9248 | val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]); | |
9249 | ||
9250 | dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n", | |
9251 | val, val2, val3, val4); | |
9252 | } | |
9253 | ||
9254 | static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp, | |
9255 | u32 switch_cfg) | |
9256 | { | |
9257 | int port = BP_PORT(bp); | |
9258 | u32 ext_phy_type; | |
9259 | ||
9260 | switch (switch_cfg) { | |
9261 | case SWITCH_CFG_1G: | |
9262 | BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg); | |
9263 | ||
9264 | ext_phy_type = | |
9265 | SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
9266 | switch (ext_phy_type) { | |
9267 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: | |
9268 | BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", | |
9269 | ext_phy_type); | |
9270 | ||
9271 | bp->port.supported |= (SUPPORTED_10baseT_Half | | |
9272 | SUPPORTED_10baseT_Full | | |
9273 | SUPPORTED_100baseT_Half | | |
9274 | SUPPORTED_100baseT_Full | | |
9275 | SUPPORTED_1000baseT_Full | | |
9276 | SUPPORTED_2500baseX_Full | | |
9277 | SUPPORTED_TP | | |
9278 | SUPPORTED_FIBRE | | |
9279 | SUPPORTED_Autoneg | | |
9280 | SUPPORTED_Pause | | |
9281 | SUPPORTED_Asym_Pause); | |
9282 | break; | |
9283 | ||
9284 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: | |
9285 | BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n", | |
9286 | ext_phy_type); | |
9287 | ||
9288 | bp->port.supported |= (SUPPORTED_10baseT_Half | | |
9289 | SUPPORTED_10baseT_Full | | |
9290 | SUPPORTED_100baseT_Half | | |
9291 | SUPPORTED_100baseT_Full | | |
9292 | SUPPORTED_1000baseT_Full | | |
9293 | SUPPORTED_TP | | |
9294 | SUPPORTED_FIBRE | | |
9295 | SUPPORTED_Autoneg | | |
9296 | SUPPORTED_Pause | | |
9297 | SUPPORTED_Asym_Pause); | |
9298 | break; | |
9299 | ||
9300 | default: | |
9301 | BNX2X_ERR("NVRAM config error. " | |
9302 | "BAD SerDes ext_phy_config 0x%x\n", | |
9303 | bp->link_params.ext_phy_config); | |
9304 | return; | |
9305 | } | |
9306 | ||
9307 | bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + | |
9308 | port*0x10); | |
9309 | BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr); | |
9310 | break; | |
9311 | ||
9312 | case SWITCH_CFG_10G: | |
9313 | BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg); | |
9314 | ||
9315 | ext_phy_type = | |
9316 | XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
9317 | switch (ext_phy_type) { | |
9318 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
9319 | BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", | |
9320 | ext_phy_type); | |
9321 | ||
9322 | bp->port.supported |= (SUPPORTED_10baseT_Half | | |
9323 | SUPPORTED_10baseT_Full | | |
9324 | SUPPORTED_100baseT_Half | | |
9325 | SUPPORTED_100baseT_Full | | |
9326 | SUPPORTED_1000baseT_Full | | |
9327 | SUPPORTED_2500baseX_Full | | |
9328 | SUPPORTED_10000baseT_Full | | |
9329 | SUPPORTED_TP | | |
9330 | SUPPORTED_FIBRE | | |
9331 | SUPPORTED_Autoneg | | |
9332 | SUPPORTED_Pause | | |
9333 | SUPPORTED_Asym_Pause); | |
9334 | break; | |
9335 | ||
9336 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: | |
9337 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n", | |
9338 | ext_phy_type); | |
9339 | ||
9340 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
9341 | SUPPORTED_1000baseT_Full | | |
9342 | SUPPORTED_FIBRE | | |
9343 | SUPPORTED_Autoneg | | |
9344 | SUPPORTED_Pause | | |
9345 | SUPPORTED_Asym_Pause); | |
9346 | break; | |
9347 | ||
9348 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: | |
9349 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n", | |
9350 | ext_phy_type); | |
9351 | ||
9352 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
9353 | SUPPORTED_2500baseX_Full | | |
9354 | SUPPORTED_1000baseT_Full | | |
9355 | SUPPORTED_FIBRE | | |
9356 | SUPPORTED_Autoneg | | |
9357 | SUPPORTED_Pause | | |
9358 | SUPPORTED_Asym_Pause); | |
9359 | break; | |
9360 | ||
9361 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
9362 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n", | |
9363 | ext_phy_type); | |
9364 | ||
9365 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
9366 | SUPPORTED_FIBRE | | |
9367 | SUPPORTED_Pause | | |
9368 | SUPPORTED_Asym_Pause); | |
9369 | break; | |
9370 | ||
9371 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
9372 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n", | |
9373 | ext_phy_type); | |
9374 | ||
9375 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
9376 | SUPPORTED_1000baseT_Full | | |
9377 | SUPPORTED_FIBRE | | |
9378 | SUPPORTED_Pause | | |
9379 | SUPPORTED_Asym_Pause); | |
9380 | break; | |
9381 | ||
9382 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: | |
9383 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8726)\n", | |
9384 | ext_phy_type); | |
9385 | ||
9386 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
9387 | SUPPORTED_1000baseT_Full | | |
9388 | SUPPORTED_Autoneg | | |
9389 | SUPPORTED_FIBRE | | |
9390 | SUPPORTED_Pause | | |
9391 | SUPPORTED_Asym_Pause); | |
9392 | break; | |
9393 | ||
9394 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: | |
9395 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8727)\n", | |
9396 | ext_phy_type); | |
9397 | ||
9398 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
9399 | SUPPORTED_1000baseT_Full | | |
9400 | SUPPORTED_Autoneg | | |
9401 | SUPPORTED_FIBRE | | |
9402 | SUPPORTED_Pause | | |
9403 | SUPPORTED_Asym_Pause); | |
9404 | break; | |
9405 | ||
9406 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
9407 | BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n", | |
9408 | ext_phy_type); | |
9409 | ||
9410 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
9411 | SUPPORTED_TP | | |
9412 | SUPPORTED_Autoneg | | |
9413 | SUPPORTED_Pause | | |
9414 | SUPPORTED_Asym_Pause); | |
9415 | break; | |
9416 | ||
9417 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: | |
9418 | BNX2X_DEV_INFO("ext_phy_type 0x%x (BCM8481)\n", | |
9419 | ext_phy_type); | |
9420 | ||
9421 | bp->port.supported |= (SUPPORTED_10baseT_Half | | |
9422 | SUPPORTED_10baseT_Full | | |
9423 | SUPPORTED_100baseT_Half | | |
9424 | SUPPORTED_100baseT_Full | | |
9425 | SUPPORTED_1000baseT_Full | | |
9426 | SUPPORTED_10000baseT_Full | | |
9427 | SUPPORTED_TP | | |
9428 | SUPPORTED_Autoneg | | |
9429 | SUPPORTED_Pause | | |
9430 | SUPPORTED_Asym_Pause); | |
9431 | break; | |
9432 | ||
9433 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: | |
9434 | BNX2X_ERR("XGXS PHY Failure detected 0x%x\n", | |
9435 | bp->link_params.ext_phy_config); | |
9436 | break; | |
9437 | ||
9438 | default: | |
9439 | BNX2X_ERR("NVRAM config error. " | |
9440 | "BAD XGXS ext_phy_config 0x%x\n", | |
9441 | bp->link_params.ext_phy_config); | |
9442 | return; | |
9443 | } | |
9444 | ||
9445 | bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + | |
9446 | port*0x18); | |
9447 | BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr); | |
9448 | ||
9449 | break; | |
9450 | ||
9451 | default: | |
9452 | BNX2X_ERR("BAD switch_cfg link_config 0x%x\n", | |
9453 | bp->port.link_config); | |
9454 | return; | |
9455 | } | |
9456 | bp->link_params.phy_addr = bp->port.phy_addr; | |
9457 | ||
9458 | /* mask what we support according to speed_cap_mask */ | |
9459 | if (!(bp->link_params.speed_cap_mask & | |
9460 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) | |
9461 | bp->port.supported &= ~SUPPORTED_10baseT_Half; | |
9462 | ||
9463 | if (!(bp->link_params.speed_cap_mask & | |
9464 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL)) | |
9465 | bp->port.supported &= ~SUPPORTED_10baseT_Full; | |
9466 | ||
9467 | if (!(bp->link_params.speed_cap_mask & | |
9468 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) | |
9469 | bp->port.supported &= ~SUPPORTED_100baseT_Half; | |
9470 | ||
9471 | if (!(bp->link_params.speed_cap_mask & | |
9472 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL)) | |
9473 | bp->port.supported &= ~SUPPORTED_100baseT_Full; | |
9474 | ||
9475 | if (!(bp->link_params.speed_cap_mask & | |
9476 | PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) | |
9477 | bp->port.supported &= ~(SUPPORTED_1000baseT_Half | | |
9478 | SUPPORTED_1000baseT_Full); | |
9479 | ||
9480 | if (!(bp->link_params.speed_cap_mask & | |
9481 | PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) | |
9482 | bp->port.supported &= ~SUPPORTED_2500baseX_Full; | |
9483 | ||
9484 | if (!(bp->link_params.speed_cap_mask & | |
9485 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) | |
9486 | bp->port.supported &= ~SUPPORTED_10000baseT_Full; | |
9487 | ||
9488 | BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported); | |
9489 | } | |
9490 | ||
9491 | static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp) | |
9492 | { | |
9493 | bp->link_params.req_duplex = DUPLEX_FULL; | |
9494 | ||
9495 | switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) { | |
9496 | case PORT_FEATURE_LINK_SPEED_AUTO: | |
9497 | if (bp->port.supported & SUPPORTED_Autoneg) { | |
9498 | bp->link_params.req_line_speed = SPEED_AUTO_NEG; | |
9499 | bp->port.advertising = bp->port.supported; | |
9500 | } else { | |
9501 | u32 ext_phy_type = | |
9502 | XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
9503 | ||
9504 | if ((ext_phy_type == | |
9505 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) || | |
9506 | (ext_phy_type == | |
9507 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) { | |
9508 | /* force 10G, no AN */ | |
9509 | bp->link_params.req_line_speed = SPEED_10000; | |
9510 | bp->port.advertising = | |
9511 | (ADVERTISED_10000baseT_Full | | |
9512 | ADVERTISED_FIBRE); | |
9513 | break; | |
9514 | } | |
9515 | BNX2X_ERR("NVRAM config error. " | |
9516 | "Invalid link_config 0x%x" | |
9517 | " Autoneg not supported\n", | |
9518 | bp->port.link_config); | |
9519 | return; | |
9520 | } | |
9521 | break; | |
9522 | ||
9523 | case PORT_FEATURE_LINK_SPEED_10M_FULL: | |
9524 | if (bp->port.supported & SUPPORTED_10baseT_Full) { | |
9525 | bp->link_params.req_line_speed = SPEED_10; | |
9526 | bp->port.advertising = (ADVERTISED_10baseT_Full | | |
9527 | ADVERTISED_TP); | |
9528 | } else { | |
9529 | BNX2X_ERROR("NVRAM config error. " | |
9530 | "Invalid link_config 0x%x" | |
9531 | " speed_cap_mask 0x%x\n", | |
9532 | bp->port.link_config, | |
9533 | bp->link_params.speed_cap_mask); | |
9534 | return; | |
9535 | } | |
9536 | break; | |
9537 | ||
9538 | case PORT_FEATURE_LINK_SPEED_10M_HALF: | |
9539 | if (bp->port.supported & SUPPORTED_10baseT_Half) { | |
9540 | bp->link_params.req_line_speed = SPEED_10; | |
9541 | bp->link_params.req_duplex = DUPLEX_HALF; | |
9542 | bp->port.advertising = (ADVERTISED_10baseT_Half | | |
9543 | ADVERTISED_TP); | |
9544 | } else { | |
9545 | BNX2X_ERROR("NVRAM config error. " | |
9546 | "Invalid link_config 0x%x" | |
9547 | " speed_cap_mask 0x%x\n", | |
9548 | bp->port.link_config, | |
9549 | bp->link_params.speed_cap_mask); | |
9550 | return; | |
9551 | } | |
9552 | break; | |
9553 | ||
9554 | case PORT_FEATURE_LINK_SPEED_100M_FULL: | |
9555 | if (bp->port.supported & SUPPORTED_100baseT_Full) { | |
9556 | bp->link_params.req_line_speed = SPEED_100; | |
9557 | bp->port.advertising = (ADVERTISED_100baseT_Full | | |
9558 | ADVERTISED_TP); | |
9559 | } else { | |
9560 | BNX2X_ERROR("NVRAM config error. " | |
9561 | "Invalid link_config 0x%x" | |
9562 | " speed_cap_mask 0x%x\n", | |
9563 | bp->port.link_config, | |
9564 | bp->link_params.speed_cap_mask); | |
9565 | return; | |
9566 | } | |
9567 | break; | |
9568 | ||
9569 | case PORT_FEATURE_LINK_SPEED_100M_HALF: | |
9570 | if (bp->port.supported & SUPPORTED_100baseT_Half) { | |
9571 | bp->link_params.req_line_speed = SPEED_100; | |
9572 | bp->link_params.req_duplex = DUPLEX_HALF; | |
9573 | bp->port.advertising = (ADVERTISED_100baseT_Half | | |
9574 | ADVERTISED_TP); | |
9575 | } else { | |
9576 | BNX2X_ERROR("NVRAM config error. " | |
9577 | "Invalid link_config 0x%x" | |
9578 | " speed_cap_mask 0x%x\n", | |
9579 | bp->port.link_config, | |
9580 | bp->link_params.speed_cap_mask); | |
9581 | return; | |
9582 | } | |
9583 | break; | |
9584 | ||
9585 | case PORT_FEATURE_LINK_SPEED_1G: | |
9586 | if (bp->port.supported & SUPPORTED_1000baseT_Full) { | |
9587 | bp->link_params.req_line_speed = SPEED_1000; | |
9588 | bp->port.advertising = (ADVERTISED_1000baseT_Full | | |
9589 | ADVERTISED_TP); | |
9590 | } else { | |
9591 | BNX2X_ERROR("NVRAM config error. " | |
9592 | "Invalid link_config 0x%x" | |
9593 | " speed_cap_mask 0x%x\n", | |
9594 | bp->port.link_config, | |
9595 | bp->link_params.speed_cap_mask); | |
9596 | return; | |
9597 | } | |
9598 | break; | |
9599 | ||
9600 | case PORT_FEATURE_LINK_SPEED_2_5G: | |
9601 | if (bp->port.supported & SUPPORTED_2500baseX_Full) { | |
9602 | bp->link_params.req_line_speed = SPEED_2500; | |
9603 | bp->port.advertising = (ADVERTISED_2500baseX_Full | | |
9604 | ADVERTISED_TP); | |
9605 | } else { | |
9606 | BNX2X_ERROR("NVRAM config error. " | |
9607 | "Invalid link_config 0x%x" | |
9608 | " speed_cap_mask 0x%x\n", | |
9609 | bp->port.link_config, | |
9610 | bp->link_params.speed_cap_mask); | |
9611 | return; | |
9612 | } | |
9613 | break; | |
9614 | ||
9615 | case PORT_FEATURE_LINK_SPEED_10G_CX4: | |
9616 | case PORT_FEATURE_LINK_SPEED_10G_KX4: | |
9617 | case PORT_FEATURE_LINK_SPEED_10G_KR: | |
9618 | if (bp->port.supported & SUPPORTED_10000baseT_Full) { | |
9619 | bp->link_params.req_line_speed = SPEED_10000; | |
9620 | bp->port.advertising = (ADVERTISED_10000baseT_Full | | |
9621 | ADVERTISED_FIBRE); | |
9622 | } else { | |
9623 | BNX2X_ERROR("NVRAM config error. " | |
9624 | "Invalid link_config 0x%x" | |
9625 | " speed_cap_mask 0x%x\n", | |
9626 | bp->port.link_config, | |
9627 | bp->link_params.speed_cap_mask); | |
9628 | return; | |
9629 | } | |
9630 | break; | |
9631 | ||
9632 | default: | |
9633 | BNX2X_ERROR("NVRAM config error. " | |
9634 | "BAD link speed link_config 0x%x\n", | |
9635 | bp->port.link_config); | |
9636 | bp->link_params.req_line_speed = SPEED_AUTO_NEG; | |
9637 | bp->port.advertising = bp->port.supported; | |
9638 | break; | |
9639 | } | |
9640 | ||
9641 | bp->link_params.req_flow_ctrl = (bp->port.link_config & | |
9642 | PORT_FEATURE_FLOW_CONTROL_MASK); | |
9643 | if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) && | |
9644 | !(bp->port.supported & SUPPORTED_Autoneg)) | |
9645 | bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
9646 | ||
9647 | BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x" | |
9648 | " advertising 0x%x\n", | |
9649 | bp->link_params.req_line_speed, | |
9650 | bp->link_params.req_duplex, | |
9651 | bp->link_params.req_flow_ctrl, bp->port.advertising); | |
9652 | } | |
9653 | ||
9654 | static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi) | |
9655 | { | |
9656 | mac_hi = cpu_to_be16(mac_hi); | |
9657 | mac_lo = cpu_to_be32(mac_lo); | |
9658 | memcpy(mac_buf, &mac_hi, sizeof(mac_hi)); | |
9659 | memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo)); | |
9660 | } | |
9661 | ||
9662 | static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp) | |
9663 | { | |
9664 | int port = BP_PORT(bp); | |
9665 | u32 val, val2; | |
9666 | u32 config; | |
9667 | u16 i; | |
9668 | u32 ext_phy_type; | |
9669 | ||
9670 | bp->link_params.bp = bp; | |
9671 | bp->link_params.port = port; | |
9672 | ||
9673 | bp->link_params.lane_config = | |
9674 | SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config); | |
9675 | bp->link_params.ext_phy_config = | |
9676 | SHMEM_RD(bp, | |
9677 | dev_info.port_hw_config[port].external_phy_config); | |
9678 | /* BCM8727_NOC => BCM8727 no over current */ | |
9679 | if (XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config) == | |
9680 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC) { | |
9681 | bp->link_params.ext_phy_config &= | |
9682 | ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK; | |
9683 | bp->link_params.ext_phy_config |= | |
9684 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727; | |
9685 | bp->link_params.feature_config_flags |= | |
9686 | FEATURE_CONFIG_BCM8727_NOC; | |
9687 | } | |
9688 | ||
9689 | bp->link_params.speed_cap_mask = | |
9690 | SHMEM_RD(bp, | |
9691 | dev_info.port_hw_config[port].speed_capability_mask); | |
9692 | ||
9693 | bp->port.link_config = | |
9694 | SHMEM_RD(bp, dev_info.port_feature_config[port].link_config); | |
9695 | ||
9696 | /* Get the 4 lanes xgxs config rx and tx */ | |
9697 | for (i = 0; i < 2; i++) { | |
9698 | val = SHMEM_RD(bp, | |
9699 | dev_info.port_hw_config[port].xgxs_config_rx[i<<1]); | |
9700 | bp->link_params.xgxs_config_rx[i << 1] = ((val>>16) & 0xffff); | |
9701 | bp->link_params.xgxs_config_rx[(i << 1) + 1] = (val & 0xffff); | |
9702 | ||
9703 | val = SHMEM_RD(bp, | |
9704 | dev_info.port_hw_config[port].xgxs_config_tx[i<<1]); | |
9705 | bp->link_params.xgxs_config_tx[i << 1] = ((val>>16) & 0xffff); | |
9706 | bp->link_params.xgxs_config_tx[(i << 1) + 1] = (val & 0xffff); | |
9707 | } | |
9708 | ||
9709 | /* If the device is capable of WoL, set the default state according | |
9710 | * to the HW | |
9711 | */ | |
9712 | config = SHMEM_RD(bp, dev_info.port_feature_config[port].config); | |
9713 | bp->wol = (!(bp->flags & NO_WOL_FLAG) && | |
9714 | (config & PORT_FEATURE_WOL_ENABLED)); | |
9715 | ||
9716 | BNX2X_DEV_INFO("lane_config 0x%08x ext_phy_config 0x%08x" | |
9717 | " speed_cap_mask 0x%08x link_config 0x%08x\n", | |
9718 | bp->link_params.lane_config, | |
9719 | bp->link_params.ext_phy_config, | |
9720 | bp->link_params.speed_cap_mask, bp->port.link_config); | |
9721 | ||
9722 | bp->link_params.switch_cfg |= (bp->port.link_config & | |
9723 | PORT_FEATURE_CONNECTED_SWITCH_MASK); | |
9724 | bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg); | |
9725 | ||
9726 | bnx2x_link_settings_requested(bp); | |
9727 | ||
9728 | /* | |
9729 | * If connected directly, work with the internal PHY, otherwise, work | |
9730 | * with the external PHY | |
9731 | */ | |
9732 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
9733 | if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) | |
9734 | bp->mdio.prtad = bp->link_params.phy_addr; | |
9735 | ||
9736 | else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) && | |
9737 | (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) | |
9738 | bp->mdio.prtad = | |
9739 | XGXS_EXT_PHY_ADDR(bp->link_params.ext_phy_config); | |
9740 | ||
9741 | val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper); | |
9742 | val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower); | |
9743 | bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2); | |
9744 | memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN); | |
9745 | memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN); | |
9746 | ||
9747 | #ifdef BCM_CNIC | |
9748 | val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].iscsi_mac_upper); | |
9749 | val = SHMEM_RD(bp, dev_info.port_hw_config[port].iscsi_mac_lower); | |
9750 | bnx2x_set_mac_buf(bp->iscsi_mac, val, val2); | |
9751 | #endif | |
9752 | } | |
9753 | ||
9754 | static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) | |
9755 | { | |
9756 | int func = BP_FUNC(bp); | |
9757 | u32 val, val2; | |
9758 | int rc = 0; | |
9759 | ||
9760 | bnx2x_get_common_hwinfo(bp); | |
9761 | ||
9762 | bp->e1hov = 0; | |
9763 | bp->e1hmf = 0; | |
9764 | if (CHIP_IS_E1H(bp) && !BP_NOMCP(bp)) { | |
9765 | bp->mf_config = | |
9766 | SHMEM_RD(bp, mf_cfg.func_mf_config[func].config); | |
9767 | ||
9768 | val = (SHMEM_RD(bp, mf_cfg.func_mf_config[FUNC_0].e1hov_tag) & | |
9769 | FUNC_MF_CFG_E1HOV_TAG_MASK); | |
9770 | if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) | |
9771 | bp->e1hmf = 1; | |
9772 | BNX2X_DEV_INFO("%s function mode\n", | |
9773 | IS_E1HMF(bp) ? "multi" : "single"); | |
9774 | ||
9775 | if (IS_E1HMF(bp)) { | |
9776 | val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func]. | |
9777 | e1hov_tag) & | |
9778 | FUNC_MF_CFG_E1HOV_TAG_MASK); | |
9779 | if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) { | |
9780 | bp->e1hov = val; | |
9781 | BNX2X_DEV_INFO("E1HOV for func %d is %d " | |
9782 | "(0x%04x)\n", | |
9783 | func, bp->e1hov, bp->e1hov); | |
9784 | } else { | |
9785 | BNX2X_ERROR("No valid E1HOV for func %d," | |
9786 | " aborting\n", func); | |
9787 | rc = -EPERM; | |
9788 | } | |
9789 | } else { | |
9790 | if (BP_E1HVN(bp)) { | |
9791 | BNX2X_ERROR("VN %d in single function mode," | |
9792 | " aborting\n", BP_E1HVN(bp)); | |
9793 | rc = -EPERM; | |
9794 | } | |
9795 | } | |
9796 | } | |
9797 | ||
9798 | if (!BP_NOMCP(bp)) { | |
9799 | bnx2x_get_port_hwinfo(bp); | |
9800 | ||
9801 | bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) & | |
9802 | DRV_MSG_SEQ_NUMBER_MASK); | |
9803 | BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); | |
9804 | } | |
9805 | ||
9806 | if (IS_E1HMF(bp)) { | |
9807 | val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper); | |
9808 | val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower); | |
9809 | if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) && | |
9810 | (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) { | |
9811 | bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff); | |
9812 | bp->dev->dev_addr[1] = (u8)(val2 & 0xff); | |
9813 | bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff); | |
9814 | bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff); | |
9815 | bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff); | |
9816 | bp->dev->dev_addr[5] = (u8)(val & 0xff); | |
9817 | memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, | |
9818 | ETH_ALEN); | |
9819 | memcpy(bp->dev->perm_addr, bp->dev->dev_addr, | |
9820 | ETH_ALEN); | |
9821 | } | |
9822 | ||
9823 | return rc; | |
9824 | } | |
9825 | ||
9826 | if (BP_NOMCP(bp)) { | |
9827 | /* only supposed to happen on emulation/FPGA */ | |
9828 | BNX2X_ERROR("warning: random MAC workaround active\n"); | |
9829 | random_ether_addr(bp->dev->dev_addr); | |
9830 | memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN); | |
9831 | } | |
9832 | ||
9833 | return rc; | |
9834 | } | |
9835 | ||
9836 | static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp) | |
9837 | { | |
9838 | int cnt, i, block_end, rodi; | |
9839 | char vpd_data[BNX2X_VPD_LEN+1]; | |
9840 | char str_id_reg[VENDOR_ID_LEN+1]; | |
9841 | char str_id_cap[VENDOR_ID_LEN+1]; | |
9842 | u8 len; | |
9843 | ||
9844 | cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data); | |
9845 | memset(bp->fw_ver, 0, sizeof(bp->fw_ver)); | |
9846 | ||
9847 | if (cnt < BNX2X_VPD_LEN) | |
9848 | goto out_not_found; | |
9849 | ||
9850 | i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN, | |
9851 | PCI_VPD_LRDT_RO_DATA); | |
9852 | if (i < 0) | |
9853 | goto out_not_found; | |
9854 | ||
9855 | ||
9856 | block_end = i + PCI_VPD_LRDT_TAG_SIZE + | |
9857 | pci_vpd_lrdt_size(&vpd_data[i]); | |
9858 | ||
9859 | i += PCI_VPD_LRDT_TAG_SIZE; | |
9860 | ||
9861 | if (block_end > BNX2X_VPD_LEN) | |
9862 | goto out_not_found; | |
9863 | ||
9864 | rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end, | |
9865 | PCI_VPD_RO_KEYWORD_MFR_ID); | |
9866 | if (rodi < 0) | |
9867 | goto out_not_found; | |
9868 | ||
9869 | len = pci_vpd_info_field_size(&vpd_data[rodi]); | |
9870 | ||
9871 | if (len != VENDOR_ID_LEN) | |
9872 | goto out_not_found; | |
9873 | ||
9874 | rodi += PCI_VPD_INFO_FLD_HDR_SIZE; | |
9875 | ||
9876 | /* vendor specific info */ | |
9877 | snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL); | |
9878 | snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL); | |
9879 | if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) || | |
9880 | !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) { | |
9881 | ||
9882 | rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end, | |
9883 | PCI_VPD_RO_KEYWORD_VENDOR0); | |
9884 | if (rodi >= 0) { | |
9885 | len = pci_vpd_info_field_size(&vpd_data[rodi]); | |
9886 | ||
9887 | rodi += PCI_VPD_INFO_FLD_HDR_SIZE; | |
9888 | ||
9889 | if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) { | |
9890 | memcpy(bp->fw_ver, &vpd_data[rodi], len); | |
9891 | bp->fw_ver[len] = ' '; | |
9892 | } | |
9893 | } | |
9894 | return; | |
9895 | } | |
9896 | out_not_found: | |
9897 | return; | |
9898 | } | |
9899 | ||
9900 | static int __devinit bnx2x_init_bp(struct bnx2x *bp) | |
9901 | { | |
9902 | int func = BP_FUNC(bp); | |
9903 | int timer_interval; | |
9904 | int rc; | |
9905 | ||
9906 | /* Disable interrupt handling until HW is initialized */ | |
9907 | atomic_set(&bp->intr_sem, 1); | |
9908 | smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */ | |
9909 | ||
9910 | mutex_init(&bp->port.phy_mutex); | |
9911 | mutex_init(&bp->fw_mb_mutex); | |
9912 | #ifdef BCM_CNIC | |
9913 | mutex_init(&bp->cnic_mutex); | |
9914 | #endif | |
9915 | ||
9916 | INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task); | |
9917 | INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task); | |
9918 | ||
9919 | rc = bnx2x_get_hwinfo(bp); | |
9920 | ||
9921 | bnx2x_read_fwinfo(bp); | |
9922 | /* need to reset chip if undi was active */ | |
9923 | if (!BP_NOMCP(bp)) | |
9924 | bnx2x_undi_unload(bp); | |
9925 | ||
9926 | if (CHIP_REV_IS_FPGA(bp)) | |
9927 | dev_err(&bp->pdev->dev, "FPGA detected\n"); | |
9928 | ||
9929 | if (BP_NOMCP(bp) && (func == 0)) | |
9930 | dev_err(&bp->pdev->dev, "MCP disabled, " | |
9931 | "must load devices in order!\n"); | |
9932 | ||
9933 | /* Set multi queue mode */ | |
9934 | if ((multi_mode != ETH_RSS_MODE_DISABLED) && | |
9935 | ((int_mode == INT_MODE_INTx) || (int_mode == INT_MODE_MSI))) { | |
9936 | dev_err(&bp->pdev->dev, "Multi disabled since int_mode " | |
9937 | "requested is not MSI-X\n"); | |
9938 | multi_mode = ETH_RSS_MODE_DISABLED; | |
9939 | } | |
9940 | bp->multi_mode = multi_mode; | |
9941 | ||
9942 | ||
9943 | bp->dev->features |= NETIF_F_GRO; | |
9944 | ||
9945 | /* Set TPA flags */ | |
9946 | if (disable_tpa) { | |
9947 | bp->flags &= ~TPA_ENABLE_FLAG; | |
9948 | bp->dev->features &= ~NETIF_F_LRO; | |
9949 | } else { | |
9950 | bp->flags |= TPA_ENABLE_FLAG; | |
9951 | bp->dev->features |= NETIF_F_LRO; | |
9952 | } | |
9953 | ||
9954 | if (CHIP_IS_E1(bp)) | |
9955 | bp->dropless_fc = 0; | |
9956 | else | |
9957 | bp->dropless_fc = dropless_fc; | |
9958 | ||
9959 | bp->mrrs = mrrs; | |
9960 | ||
9961 | bp->tx_ring_size = MAX_TX_AVAIL; | |
9962 | bp->rx_ring_size = MAX_RX_AVAIL; | |
9963 | ||
9964 | bp->rx_csum = 1; | |
9965 | ||
9966 | /* make sure that the numbers are in the right granularity */ | |
9967 | bp->tx_ticks = (50 / (4 * BNX2X_BTR)) * (4 * BNX2X_BTR); | |
9968 | bp->rx_ticks = (25 / (4 * BNX2X_BTR)) * (4 * BNX2X_BTR); | |
9969 | ||
9970 | timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ); | |
9971 | bp->current_interval = (poll ? poll : timer_interval); | |
9972 | ||
9973 | init_timer(&bp->timer); | |
9974 | bp->timer.expires = jiffies + bp->current_interval; | |
9975 | bp->timer.data = (unsigned long) bp; | |
9976 | bp->timer.function = bnx2x_timer; | |
9977 | ||
9978 | return rc; | |
9979 | } | |
9980 | ||
9981 | /* | |
9982 | * ethtool service functions | |
9983 | */ | |
9984 | ||
9985 | /* All ethtool functions called with rtnl_lock */ | |
9986 | ||
9987 | static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
9988 | { | |
9989 | struct bnx2x *bp = netdev_priv(dev); | |
9990 | ||
9991 | cmd->supported = bp->port.supported; | |
9992 | cmd->advertising = bp->port.advertising; | |
9993 | ||
9994 | if ((bp->state == BNX2X_STATE_OPEN) && | |
9995 | !(bp->flags & MF_FUNC_DIS) && | |
9996 | (bp->link_vars.link_up)) { | |
9997 | cmd->speed = bp->link_vars.line_speed; | |
9998 | cmd->duplex = bp->link_vars.duplex; | |
9999 | if (IS_E1HMF(bp)) { | |
10000 | u16 vn_max_rate; | |
10001 | ||
10002 | vn_max_rate = | |
10003 | ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >> | |
10004 | FUNC_MF_CFG_MAX_BW_SHIFT) * 100; | |
10005 | if (vn_max_rate < cmd->speed) | |
10006 | cmd->speed = vn_max_rate; | |
10007 | } | |
10008 | } else { | |
10009 | cmd->speed = -1; | |
10010 | cmd->duplex = -1; | |
10011 | } | |
10012 | ||
10013 | if (bp->link_params.switch_cfg == SWITCH_CFG_10G) { | |
10014 | u32 ext_phy_type = | |
10015 | XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
10016 | ||
10017 | switch (ext_phy_type) { | |
10018 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
10019 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: | |
10020 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: | |
10021 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
10022 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
10023 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: | |
10024 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: | |
10025 | cmd->port = PORT_FIBRE; | |
10026 | break; | |
10027 | ||
10028 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
10029 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: | |
10030 | cmd->port = PORT_TP; | |
10031 | break; | |
10032 | ||
10033 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: | |
10034 | BNX2X_ERR("XGXS PHY Failure detected 0x%x\n", | |
10035 | bp->link_params.ext_phy_config); | |
10036 | break; | |
10037 | ||
10038 | default: | |
10039 | DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", | |
10040 | bp->link_params.ext_phy_config); | |
10041 | break; | |
10042 | } | |
10043 | } else | |
10044 | cmd->port = PORT_TP; | |
10045 | ||
10046 | cmd->phy_address = bp->mdio.prtad; | |
10047 | cmd->transceiver = XCVR_INTERNAL; | |
10048 | ||
10049 | if (bp->link_params.req_line_speed == SPEED_AUTO_NEG) | |
10050 | cmd->autoneg = AUTONEG_ENABLE; | |
10051 | else | |
10052 | cmd->autoneg = AUTONEG_DISABLE; | |
10053 | ||
10054 | cmd->maxtxpkt = 0; | |
10055 | cmd->maxrxpkt = 0; | |
10056 | ||
10057 | DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" | |
10058 | DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" | |
10059 | DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" | |
10060 | DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", | |
10061 | cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, | |
10062 | cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, | |
10063 | cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); | |
10064 | ||
10065 | return 0; | |
10066 | } | |
10067 | ||
10068 | static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
10069 | { | |
10070 | struct bnx2x *bp = netdev_priv(dev); | |
10071 | u32 advertising; | |
10072 | ||
10073 | if (IS_E1HMF(bp)) | |
10074 | return 0; | |
10075 | ||
10076 | DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" | |
10077 | DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" | |
10078 | DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" | |
10079 | DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", | |
10080 | cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, | |
10081 | cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, | |
10082 | cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); | |
10083 | ||
10084 | if (cmd->autoneg == AUTONEG_ENABLE) { | |
10085 | if (!(bp->port.supported & SUPPORTED_Autoneg)) { | |
10086 | DP(NETIF_MSG_LINK, "Autoneg not supported\n"); | |
10087 | return -EINVAL; | |
10088 | } | |
10089 | ||
10090 | /* advertise the requested speed and duplex if supported */ | |
10091 | cmd->advertising &= bp->port.supported; | |
10092 | ||
10093 | bp->link_params.req_line_speed = SPEED_AUTO_NEG; | |
10094 | bp->link_params.req_duplex = DUPLEX_FULL; | |
10095 | bp->port.advertising |= (ADVERTISED_Autoneg | | |
10096 | cmd->advertising); | |
10097 | ||
10098 | } else { /* forced speed */ | |
10099 | /* advertise the requested speed and duplex if supported */ | |
10100 | switch (cmd->speed) { | |
10101 | case SPEED_10: | |
10102 | if (cmd->duplex == DUPLEX_FULL) { | |
10103 | if (!(bp->port.supported & | |
10104 | SUPPORTED_10baseT_Full)) { | |
10105 | DP(NETIF_MSG_LINK, | |
10106 | "10M full not supported\n"); | |
10107 | return -EINVAL; | |
10108 | } | |
10109 | ||
10110 | advertising = (ADVERTISED_10baseT_Full | | |
10111 | ADVERTISED_TP); | |
10112 | } else { | |
10113 | if (!(bp->port.supported & | |
10114 | SUPPORTED_10baseT_Half)) { | |
10115 | DP(NETIF_MSG_LINK, | |
10116 | "10M half not supported\n"); | |
10117 | return -EINVAL; | |
10118 | } | |
10119 | ||
10120 | advertising = (ADVERTISED_10baseT_Half | | |
10121 | ADVERTISED_TP); | |
10122 | } | |
10123 | break; | |
10124 | ||
10125 | case SPEED_100: | |
10126 | if (cmd->duplex == DUPLEX_FULL) { | |
10127 | if (!(bp->port.supported & | |
10128 | SUPPORTED_100baseT_Full)) { | |
10129 | DP(NETIF_MSG_LINK, | |
10130 | "100M full not supported\n"); | |
10131 | return -EINVAL; | |
10132 | } | |
10133 | ||
10134 | advertising = (ADVERTISED_100baseT_Full | | |
10135 | ADVERTISED_TP); | |
10136 | } else { | |
10137 | if (!(bp->port.supported & | |
10138 | SUPPORTED_100baseT_Half)) { | |
10139 | DP(NETIF_MSG_LINK, | |
10140 | "100M half not supported\n"); | |
10141 | return -EINVAL; | |
10142 | } | |
10143 | ||
10144 | advertising = (ADVERTISED_100baseT_Half | | |
10145 | ADVERTISED_TP); | |
10146 | } | |
10147 | break; | |
10148 | ||
10149 | case SPEED_1000: | |
10150 | if (cmd->duplex != DUPLEX_FULL) { | |
10151 | DP(NETIF_MSG_LINK, "1G half not supported\n"); | |
10152 | return -EINVAL; | |
10153 | } | |
10154 | ||
10155 | if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) { | |
10156 | DP(NETIF_MSG_LINK, "1G full not supported\n"); | |
10157 | return -EINVAL; | |
10158 | } | |
10159 | ||
10160 | advertising = (ADVERTISED_1000baseT_Full | | |
10161 | ADVERTISED_TP); | |
10162 | break; | |
10163 | ||
10164 | case SPEED_2500: | |
10165 | if (cmd->duplex != DUPLEX_FULL) { | |
10166 | DP(NETIF_MSG_LINK, | |
10167 | "2.5G half not supported\n"); | |
10168 | return -EINVAL; | |
10169 | } | |
10170 | ||
10171 | if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) { | |
10172 | DP(NETIF_MSG_LINK, | |
10173 | "2.5G full not supported\n"); | |
10174 | return -EINVAL; | |
10175 | } | |
10176 | ||
10177 | advertising = (ADVERTISED_2500baseX_Full | | |
10178 | ADVERTISED_TP); | |
10179 | break; | |
10180 | ||
10181 | case SPEED_10000: | |
10182 | if (cmd->duplex != DUPLEX_FULL) { | |
10183 | DP(NETIF_MSG_LINK, "10G half not supported\n"); | |
10184 | return -EINVAL; | |
10185 | } | |
10186 | ||
10187 | if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) { | |
10188 | DP(NETIF_MSG_LINK, "10G full not supported\n"); | |
10189 | return -EINVAL; | |
10190 | } | |
10191 | ||
10192 | advertising = (ADVERTISED_10000baseT_Full | | |
10193 | ADVERTISED_FIBRE); | |
10194 | break; | |
10195 | ||
10196 | default: | |
10197 | DP(NETIF_MSG_LINK, "Unsupported speed\n"); | |
10198 | return -EINVAL; | |
10199 | } | |
10200 | ||
10201 | bp->link_params.req_line_speed = cmd->speed; | |
10202 | bp->link_params.req_duplex = cmd->duplex; | |
10203 | bp->port.advertising = advertising; | |
10204 | } | |
10205 | ||
10206 | DP(NETIF_MSG_LINK, "req_line_speed %d\n" | |
10207 | DP_LEVEL " req_duplex %d advertising 0x%x\n", | |
10208 | bp->link_params.req_line_speed, bp->link_params.req_duplex, | |
10209 | bp->port.advertising); | |
10210 | ||
10211 | if (netif_running(dev)) { | |
10212 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
10213 | bnx2x_link_set(bp); | |
10214 | } | |
10215 | ||
10216 | return 0; | |
10217 | } | |
10218 | ||
10219 | #define IS_E1_ONLINE(info) (((info) & RI_E1_ONLINE) == RI_E1_ONLINE) | |
10220 | #define IS_E1H_ONLINE(info) (((info) & RI_E1H_ONLINE) == RI_E1H_ONLINE) | |
10221 | ||
10222 | static int bnx2x_get_regs_len(struct net_device *dev) | |
10223 | { | |
10224 | struct bnx2x *bp = netdev_priv(dev); | |
10225 | int regdump_len = 0; | |
10226 | int i; | |
10227 | ||
10228 | if (CHIP_IS_E1(bp)) { | |
10229 | for (i = 0; i < REGS_COUNT; i++) | |
10230 | if (IS_E1_ONLINE(reg_addrs[i].info)) | |
10231 | regdump_len += reg_addrs[i].size; | |
10232 | ||
10233 | for (i = 0; i < WREGS_COUNT_E1; i++) | |
10234 | if (IS_E1_ONLINE(wreg_addrs_e1[i].info)) | |
10235 | regdump_len += wreg_addrs_e1[i].size * | |
10236 | (1 + wreg_addrs_e1[i].read_regs_count); | |
10237 | ||
10238 | } else { /* E1H */ | |
10239 | for (i = 0; i < REGS_COUNT; i++) | |
10240 | if (IS_E1H_ONLINE(reg_addrs[i].info)) | |
10241 | regdump_len += reg_addrs[i].size; | |
10242 | ||
10243 | for (i = 0; i < WREGS_COUNT_E1H; i++) | |
10244 | if (IS_E1H_ONLINE(wreg_addrs_e1h[i].info)) | |
10245 | regdump_len += wreg_addrs_e1h[i].size * | |
10246 | (1 + wreg_addrs_e1h[i].read_regs_count); | |
10247 | } | |
10248 | regdump_len *= 4; | |
10249 | regdump_len += sizeof(struct dump_hdr); | |
10250 | ||
10251 | return regdump_len; | |
10252 | } | |
10253 | ||
10254 | static void bnx2x_get_regs(struct net_device *dev, | |
10255 | struct ethtool_regs *regs, void *_p) | |
10256 | { | |
10257 | u32 *p = _p, i, j; | |
10258 | struct bnx2x *bp = netdev_priv(dev); | |
10259 | struct dump_hdr dump_hdr = {0}; | |
10260 | ||
10261 | regs->version = 0; | |
10262 | memset(p, 0, regs->len); | |
10263 | ||
10264 | if (!netif_running(bp->dev)) | |
10265 | return; | |
10266 | ||
10267 | dump_hdr.hdr_size = (sizeof(struct dump_hdr) / 4) - 1; | |
10268 | dump_hdr.dump_sign = dump_sign_all; | |
10269 | dump_hdr.xstorm_waitp = REG_RD(bp, XSTORM_WAITP_ADDR); | |
10270 | dump_hdr.tstorm_waitp = REG_RD(bp, TSTORM_WAITP_ADDR); | |
10271 | dump_hdr.ustorm_waitp = REG_RD(bp, USTORM_WAITP_ADDR); | |
10272 | dump_hdr.cstorm_waitp = REG_RD(bp, CSTORM_WAITP_ADDR); | |
10273 | dump_hdr.info = CHIP_IS_E1(bp) ? RI_E1_ONLINE : RI_E1H_ONLINE; | |
10274 | ||
10275 | memcpy(p, &dump_hdr, sizeof(struct dump_hdr)); | |
10276 | p += dump_hdr.hdr_size + 1; | |
10277 | ||
10278 | if (CHIP_IS_E1(bp)) { | |
10279 | for (i = 0; i < REGS_COUNT; i++) | |
10280 | if (IS_E1_ONLINE(reg_addrs[i].info)) | |
10281 | for (j = 0; j < reg_addrs[i].size; j++) | |
10282 | *p++ = REG_RD(bp, | |
10283 | reg_addrs[i].addr + j*4); | |
10284 | ||
10285 | } else { /* E1H */ | |
10286 | for (i = 0; i < REGS_COUNT; i++) | |
10287 | if (IS_E1H_ONLINE(reg_addrs[i].info)) | |
10288 | for (j = 0; j < reg_addrs[i].size; j++) | |
10289 | *p++ = REG_RD(bp, | |
10290 | reg_addrs[i].addr + j*4); | |
10291 | } | |
10292 | } | |
10293 | ||
10294 | #define PHY_FW_VER_LEN 10 | |
10295 | ||
10296 | static void bnx2x_get_drvinfo(struct net_device *dev, | |
10297 | struct ethtool_drvinfo *info) | |
10298 | { | |
10299 | struct bnx2x *bp = netdev_priv(dev); | |
10300 | u8 phy_fw_ver[PHY_FW_VER_LEN]; | |
10301 | ||
10302 | strcpy(info->driver, DRV_MODULE_NAME); | |
10303 | strcpy(info->version, DRV_MODULE_VERSION); | |
10304 | ||
10305 | phy_fw_ver[0] = '\0'; | |
10306 | if (bp->port.pmf) { | |
10307 | bnx2x_acquire_phy_lock(bp); | |
10308 | bnx2x_get_ext_phy_fw_version(&bp->link_params, | |
10309 | (bp->state != BNX2X_STATE_CLOSED), | |
10310 | phy_fw_ver, PHY_FW_VER_LEN); | |
10311 | bnx2x_release_phy_lock(bp); | |
10312 | } | |
10313 | ||
10314 | strncpy(info->fw_version, bp->fw_ver, 32); | |
10315 | snprintf(info->fw_version + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver), | |
10316 | "bc %d.%d.%d%s%s", | |
10317 | (bp->common.bc_ver & 0xff0000) >> 16, | |
10318 | (bp->common.bc_ver & 0xff00) >> 8, | |
10319 | (bp->common.bc_ver & 0xff), | |
10320 | ((phy_fw_ver[0] != '\0') ? " phy " : ""), phy_fw_ver); | |
10321 | strcpy(info->bus_info, pci_name(bp->pdev)); | |
10322 | info->n_stats = BNX2X_NUM_STATS; | |
10323 | info->testinfo_len = BNX2X_NUM_TESTS; | |
10324 | info->eedump_len = bp->common.flash_size; | |
10325 | info->regdump_len = bnx2x_get_regs_len(dev); | |
10326 | } | |
10327 | ||
10328 | static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
10329 | { | |
10330 | struct bnx2x *bp = netdev_priv(dev); | |
10331 | ||
10332 | if (bp->flags & NO_WOL_FLAG) { | |
10333 | wol->supported = 0; | |
10334 | wol->wolopts = 0; | |
10335 | } else { | |
10336 | wol->supported = WAKE_MAGIC; | |
10337 | if (bp->wol) | |
10338 | wol->wolopts = WAKE_MAGIC; | |
10339 | else | |
10340 | wol->wolopts = 0; | |
10341 | } | |
10342 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
10343 | } | |
10344 | ||
10345 | static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
10346 | { | |
10347 | struct bnx2x *bp = netdev_priv(dev); | |
10348 | ||
10349 | if (wol->wolopts & ~WAKE_MAGIC) | |
10350 | return -EINVAL; | |
10351 | ||
10352 | if (wol->wolopts & WAKE_MAGIC) { | |
10353 | if (bp->flags & NO_WOL_FLAG) | |
10354 | return -EINVAL; | |
10355 | ||
10356 | bp->wol = 1; | |
10357 | } else | |
10358 | bp->wol = 0; | |
10359 | ||
10360 | return 0; | |
10361 | } | |
10362 | ||
10363 | static u32 bnx2x_get_msglevel(struct net_device *dev) | |
10364 | { | |
10365 | struct bnx2x *bp = netdev_priv(dev); | |
10366 | ||
10367 | return bp->msg_enable; | |
10368 | } | |
10369 | ||
10370 | static void bnx2x_set_msglevel(struct net_device *dev, u32 level) | |
10371 | { | |
10372 | struct bnx2x *bp = netdev_priv(dev); | |
10373 | ||
10374 | if (capable(CAP_NET_ADMIN)) | |
10375 | bp->msg_enable = level; | |
10376 | } | |
10377 | ||
10378 | static int bnx2x_nway_reset(struct net_device *dev) | |
10379 | { | |
10380 | struct bnx2x *bp = netdev_priv(dev); | |
10381 | ||
10382 | if (!bp->port.pmf) | |
10383 | return 0; | |
10384 | ||
10385 | if (netif_running(dev)) { | |
10386 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
10387 | bnx2x_link_set(bp); | |
10388 | } | |
10389 | ||
10390 | return 0; | |
10391 | } | |
10392 | ||
10393 | static u32 bnx2x_get_link(struct net_device *dev) | |
10394 | { | |
10395 | struct bnx2x *bp = netdev_priv(dev); | |
10396 | ||
10397 | if (bp->flags & MF_FUNC_DIS) | |
10398 | return 0; | |
10399 | ||
10400 | return bp->link_vars.link_up; | |
10401 | } | |
10402 | ||
10403 | static int bnx2x_get_eeprom_len(struct net_device *dev) | |
10404 | { | |
10405 | struct bnx2x *bp = netdev_priv(dev); | |
10406 | ||
10407 | return bp->common.flash_size; | |
10408 | } | |
10409 | ||
10410 | static int bnx2x_acquire_nvram_lock(struct bnx2x *bp) | |
10411 | { | |
10412 | int port = BP_PORT(bp); | |
10413 | int count, i; | |
10414 | u32 val = 0; | |
10415 | ||
10416 | /* adjust timeout for emulation/FPGA */ | |
10417 | count = NVRAM_TIMEOUT_COUNT; | |
10418 | if (CHIP_REV_IS_SLOW(bp)) | |
10419 | count *= 100; | |
10420 | ||
10421 | /* request access to nvram interface */ | |
10422 | REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, | |
10423 | (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port)); | |
10424 | ||
10425 | for (i = 0; i < count*10; i++) { | |
10426 | val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); | |
10427 | if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) | |
10428 | break; | |
10429 | ||
10430 | udelay(5); | |
10431 | } | |
10432 | ||
10433 | if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) { | |
10434 | DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n"); | |
10435 | return -EBUSY; | |
10436 | } | |
10437 | ||
10438 | return 0; | |
10439 | } | |
10440 | ||
10441 | static int bnx2x_release_nvram_lock(struct bnx2x *bp) | |
10442 | { | |
10443 | int port = BP_PORT(bp); | |
10444 | int count, i; | |
10445 | u32 val = 0; | |
10446 | ||
10447 | /* adjust timeout for emulation/FPGA */ | |
10448 | count = NVRAM_TIMEOUT_COUNT; | |
10449 | if (CHIP_REV_IS_SLOW(bp)) | |
10450 | count *= 100; | |
10451 | ||
10452 | /* relinquish nvram interface */ | |
10453 | REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, | |
10454 | (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port)); | |
10455 | ||
10456 | for (i = 0; i < count*10; i++) { | |
10457 | val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); | |
10458 | if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) | |
10459 | break; | |
10460 | ||
10461 | udelay(5); | |
10462 | } | |
10463 | ||
10464 | if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) { | |
10465 | DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n"); | |
10466 | return -EBUSY; | |
10467 | } | |
10468 | ||
10469 | return 0; | |
10470 | } | |
10471 | ||
10472 | static void bnx2x_enable_nvram_access(struct bnx2x *bp) | |
10473 | { | |
10474 | u32 val; | |
10475 | ||
10476 | val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); | |
10477 | ||
10478 | /* enable both bits, even on read */ | |
10479 | REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, | |
10480 | (val | MCPR_NVM_ACCESS_ENABLE_EN | | |
10481 | MCPR_NVM_ACCESS_ENABLE_WR_EN)); | |
10482 | } | |
10483 | ||
10484 | static void bnx2x_disable_nvram_access(struct bnx2x *bp) | |
10485 | { | |
10486 | u32 val; | |
10487 | ||
10488 | val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); | |
10489 | ||
10490 | /* disable both bits, even after read */ | |
10491 | REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, | |
10492 | (val & ~(MCPR_NVM_ACCESS_ENABLE_EN | | |
10493 | MCPR_NVM_ACCESS_ENABLE_WR_EN))); | |
10494 | } | |
10495 | ||
10496 | static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val, | |
10497 | u32 cmd_flags) | |
10498 | { | |
10499 | int count, i, rc; | |
10500 | u32 val; | |
10501 | ||
10502 | /* build the command word */ | |
10503 | cmd_flags |= MCPR_NVM_COMMAND_DOIT; | |
10504 | ||
10505 | /* need to clear DONE bit separately */ | |
10506 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); | |
10507 | ||
10508 | /* address of the NVRAM to read from */ | |
10509 | REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, | |
10510 | (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); | |
10511 | ||
10512 | /* issue a read command */ | |
10513 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); | |
10514 | ||
10515 | /* adjust timeout for emulation/FPGA */ | |
10516 | count = NVRAM_TIMEOUT_COUNT; | |
10517 | if (CHIP_REV_IS_SLOW(bp)) | |
10518 | count *= 100; | |
10519 | ||
10520 | /* wait for completion */ | |
10521 | *ret_val = 0; | |
10522 | rc = -EBUSY; | |
10523 | for (i = 0; i < count; i++) { | |
10524 | udelay(5); | |
10525 | val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); | |
10526 | ||
10527 | if (val & MCPR_NVM_COMMAND_DONE) { | |
10528 | val = REG_RD(bp, MCP_REG_MCPR_NVM_READ); | |
10529 | /* we read nvram data in cpu order | |
10530 | * but ethtool sees it as an array of bytes | |
10531 | * converting to big-endian will do the work */ | |
10532 | *ret_val = cpu_to_be32(val); | |
10533 | rc = 0; | |
10534 | break; | |
10535 | } | |
10536 | } | |
10537 | ||
10538 | return rc; | |
10539 | } | |
10540 | ||
10541 | static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, | |
10542 | int buf_size) | |
10543 | { | |
10544 | int rc; | |
10545 | u32 cmd_flags; | |
10546 | __be32 val; | |
10547 | ||
10548 | if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { | |
10549 | DP(BNX2X_MSG_NVM, | |
10550 | "Invalid parameter: offset 0x%x buf_size 0x%x\n", | |
10551 | offset, buf_size); | |
10552 | return -EINVAL; | |
10553 | } | |
10554 | ||
10555 | if (offset + buf_size > bp->common.flash_size) { | |
10556 | DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +" | |
10557 | " buf_size (0x%x) > flash_size (0x%x)\n", | |
10558 | offset, buf_size, bp->common.flash_size); | |
10559 | return -EINVAL; | |
10560 | } | |
10561 | ||
10562 | /* request access to nvram interface */ | |
10563 | rc = bnx2x_acquire_nvram_lock(bp); | |
10564 | if (rc) | |
10565 | return rc; | |
10566 | ||
10567 | /* enable access to nvram interface */ | |
10568 | bnx2x_enable_nvram_access(bp); | |
10569 | ||
10570 | /* read the first word(s) */ | |
10571 | cmd_flags = MCPR_NVM_COMMAND_FIRST; | |
10572 | while ((buf_size > sizeof(u32)) && (rc == 0)) { | |
10573 | rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); | |
10574 | memcpy(ret_buf, &val, 4); | |
10575 | ||
10576 | /* advance to the next dword */ | |
10577 | offset += sizeof(u32); | |
10578 | ret_buf += sizeof(u32); | |
10579 | buf_size -= sizeof(u32); | |
10580 | cmd_flags = 0; | |
10581 | } | |
10582 | ||
10583 | if (rc == 0) { | |
10584 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
10585 | rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); | |
10586 | memcpy(ret_buf, &val, 4); | |
10587 | } | |
10588 | ||
10589 | /* disable access to nvram interface */ | |
10590 | bnx2x_disable_nvram_access(bp); | |
10591 | bnx2x_release_nvram_lock(bp); | |
10592 | ||
10593 | return rc; | |
10594 | } | |
10595 | ||
10596 | static int bnx2x_get_eeprom(struct net_device *dev, | |
10597 | struct ethtool_eeprom *eeprom, u8 *eebuf) | |
10598 | { | |
10599 | struct bnx2x *bp = netdev_priv(dev); | |
10600 | int rc; | |
10601 | ||
10602 | if (!netif_running(dev)) | |
10603 | return -EAGAIN; | |
10604 | ||
10605 | DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" | |
10606 | DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", | |
10607 | eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, | |
10608 | eeprom->len, eeprom->len); | |
10609 | ||
10610 | /* parameters already validated in ethtool_get_eeprom */ | |
10611 | ||
10612 | rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); | |
10613 | ||
10614 | return rc; | |
10615 | } | |
10616 | ||
10617 | static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, | |
10618 | u32 cmd_flags) | |
10619 | { | |
10620 | int count, i, rc; | |
10621 | ||
10622 | /* build the command word */ | |
10623 | cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR; | |
10624 | ||
10625 | /* need to clear DONE bit separately */ | |
10626 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); | |
10627 | ||
10628 | /* write the data */ | |
10629 | REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val); | |
10630 | ||
10631 | /* address of the NVRAM to write to */ | |
10632 | REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, | |
10633 | (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); | |
10634 | ||
10635 | /* issue the write command */ | |
10636 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); | |
10637 | ||
10638 | /* adjust timeout for emulation/FPGA */ | |
10639 | count = NVRAM_TIMEOUT_COUNT; | |
10640 | if (CHIP_REV_IS_SLOW(bp)) | |
10641 | count *= 100; | |
10642 | ||
10643 | /* wait for completion */ | |
10644 | rc = -EBUSY; | |
10645 | for (i = 0; i < count; i++) { | |
10646 | udelay(5); | |
10647 | val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); | |
10648 | if (val & MCPR_NVM_COMMAND_DONE) { | |
10649 | rc = 0; | |
10650 | break; | |
10651 | } | |
10652 | } | |
10653 | ||
10654 | return rc; | |
10655 | } | |
10656 | ||
10657 | #define BYTE_OFFSET(offset) (8 * (offset & 0x03)) | |
10658 | ||
10659 | static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, | |
10660 | int buf_size) | |
10661 | { | |
10662 | int rc; | |
10663 | u32 cmd_flags; | |
10664 | u32 align_offset; | |
10665 | __be32 val; | |
10666 | ||
10667 | if (offset + buf_size > bp->common.flash_size) { | |
10668 | DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +" | |
10669 | " buf_size (0x%x) > flash_size (0x%x)\n", | |
10670 | offset, buf_size, bp->common.flash_size); | |
10671 | return -EINVAL; | |
10672 | } | |
10673 | ||
10674 | /* request access to nvram interface */ | |
10675 | rc = bnx2x_acquire_nvram_lock(bp); | |
10676 | if (rc) | |
10677 | return rc; | |
10678 | ||
10679 | /* enable access to nvram interface */ | |
10680 | bnx2x_enable_nvram_access(bp); | |
10681 | ||
10682 | cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST); | |
10683 | align_offset = (offset & ~0x03); | |
10684 | rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags); | |
10685 | ||
10686 | if (rc == 0) { | |
10687 | val &= ~(0xff << BYTE_OFFSET(offset)); | |
10688 | val |= (*data_buf << BYTE_OFFSET(offset)); | |
10689 | ||
10690 | /* nvram data is returned as an array of bytes | |
10691 | * convert it back to cpu order */ | |
10692 | val = be32_to_cpu(val); | |
10693 | ||
10694 | rc = bnx2x_nvram_write_dword(bp, align_offset, val, | |
10695 | cmd_flags); | |
10696 | } | |
10697 | ||
10698 | /* disable access to nvram interface */ | |
10699 | bnx2x_disable_nvram_access(bp); | |
10700 | bnx2x_release_nvram_lock(bp); | |
10701 | ||
10702 | return rc; | |
10703 | } | |
10704 | ||
10705 | static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, | |
10706 | int buf_size) | |
10707 | { | |
10708 | int rc; | |
10709 | u32 cmd_flags; | |
10710 | u32 val; | |
10711 | u32 written_so_far; | |
10712 | ||
10713 | if (buf_size == 1) /* ethtool */ | |
10714 | return bnx2x_nvram_write1(bp, offset, data_buf, buf_size); | |
10715 | ||
10716 | if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { | |
10717 | DP(BNX2X_MSG_NVM, | |
10718 | "Invalid parameter: offset 0x%x buf_size 0x%x\n", | |
10719 | offset, buf_size); | |
10720 | return -EINVAL; | |
10721 | } | |
10722 | ||
10723 | if (offset + buf_size > bp->common.flash_size) { | |
10724 | DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +" | |
10725 | " buf_size (0x%x) > flash_size (0x%x)\n", | |
10726 | offset, buf_size, bp->common.flash_size); | |
10727 | return -EINVAL; | |
10728 | } | |
10729 | ||
10730 | /* request access to nvram interface */ | |
10731 | rc = bnx2x_acquire_nvram_lock(bp); | |
10732 | if (rc) | |
10733 | return rc; | |
10734 | ||
10735 | /* enable access to nvram interface */ | |
10736 | bnx2x_enable_nvram_access(bp); | |
10737 | ||
10738 | written_so_far = 0; | |
10739 | cmd_flags = MCPR_NVM_COMMAND_FIRST; | |
10740 | while ((written_so_far < buf_size) && (rc == 0)) { | |
10741 | if (written_so_far == (buf_size - sizeof(u32))) | |
10742 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
10743 | else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0) | |
10744 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
10745 | else if ((offset % NVRAM_PAGE_SIZE) == 0) | |
10746 | cmd_flags |= MCPR_NVM_COMMAND_FIRST; | |
10747 | ||
10748 | memcpy(&val, data_buf, 4); | |
10749 | ||
10750 | rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags); | |
10751 | ||
10752 | /* advance to the next dword */ | |
10753 | offset += sizeof(u32); | |
10754 | data_buf += sizeof(u32); | |
10755 | written_so_far += sizeof(u32); | |
10756 | cmd_flags = 0; | |
10757 | } | |
10758 | ||
10759 | /* disable access to nvram interface */ | |
10760 | bnx2x_disable_nvram_access(bp); | |
10761 | bnx2x_release_nvram_lock(bp); | |
10762 | ||
10763 | return rc; | |
10764 | } | |
10765 | ||
10766 | static int bnx2x_set_eeprom(struct net_device *dev, | |
10767 | struct ethtool_eeprom *eeprom, u8 *eebuf) | |
10768 | { | |
10769 | struct bnx2x *bp = netdev_priv(dev); | |
10770 | int port = BP_PORT(bp); | |
10771 | int rc = 0; | |
10772 | ||
10773 | if (!netif_running(dev)) | |
10774 | return -EAGAIN; | |
10775 | ||
10776 | DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" | |
10777 | DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", | |
10778 | eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, | |
10779 | eeprom->len, eeprom->len); | |
10780 | ||
10781 | /* parameters already validated in ethtool_set_eeprom */ | |
10782 | ||
10783 | /* PHY eeprom can be accessed only by the PMF */ | |
10784 | if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) && | |
10785 | !bp->port.pmf) | |
10786 | return -EINVAL; | |
10787 | ||
10788 | if (eeprom->magic == 0x50485950) { | |
10789 | /* 'PHYP' (0x50485950): prepare phy for FW upgrade */ | |
10790 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
10791 | ||
10792 | bnx2x_acquire_phy_lock(bp); | |
10793 | rc |= bnx2x_link_reset(&bp->link_params, | |
10794 | &bp->link_vars, 0); | |
10795 | if (XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config) == | |
10796 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) | |
10797 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, | |
10798 | MISC_REGISTERS_GPIO_HIGH, port); | |
10799 | bnx2x_release_phy_lock(bp); | |
10800 | bnx2x_link_report(bp); | |
10801 | ||
10802 | } else if (eeprom->magic == 0x50485952) { | |
10803 | /* 'PHYR' (0x50485952): re-init link after FW upgrade */ | |
10804 | if (bp->state == BNX2X_STATE_OPEN) { | |
10805 | bnx2x_acquire_phy_lock(bp); | |
10806 | rc |= bnx2x_link_reset(&bp->link_params, | |
10807 | &bp->link_vars, 1); | |
10808 | ||
10809 | rc |= bnx2x_phy_init(&bp->link_params, | |
10810 | &bp->link_vars); | |
10811 | bnx2x_release_phy_lock(bp); | |
10812 | bnx2x_calc_fc_adv(bp); | |
10813 | } | |
10814 | } else if (eeprom->magic == 0x53985943) { | |
10815 | /* 'PHYC' (0x53985943): PHY FW upgrade completed */ | |
10816 | if (XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config) == | |
10817 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) { | |
10818 | u8 ext_phy_addr = | |
10819 | XGXS_EXT_PHY_ADDR(bp->link_params.ext_phy_config); | |
10820 | ||
10821 | /* DSP Remove Download Mode */ | |
10822 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, | |
10823 | MISC_REGISTERS_GPIO_LOW, port); | |
10824 | ||
10825 | bnx2x_acquire_phy_lock(bp); | |
10826 | ||
10827 | bnx2x_sfx7101_sp_sw_reset(bp, port, ext_phy_addr); | |
10828 | ||
10829 | /* wait 0.5 sec to allow it to run */ | |
10830 | msleep(500); | |
10831 | bnx2x_ext_phy_hw_reset(bp, port); | |
10832 | msleep(500); | |
10833 | bnx2x_release_phy_lock(bp); | |
10834 | } | |
10835 | } else | |
10836 | rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); | |
10837 | ||
10838 | return rc; | |
10839 | } | |
10840 | ||
10841 | static int bnx2x_get_coalesce(struct net_device *dev, | |
10842 | struct ethtool_coalesce *coal) | |
10843 | { | |
10844 | struct bnx2x *bp = netdev_priv(dev); | |
10845 | ||
10846 | memset(coal, 0, sizeof(struct ethtool_coalesce)); | |
10847 | ||
10848 | coal->rx_coalesce_usecs = bp->rx_ticks; | |
10849 | coal->tx_coalesce_usecs = bp->tx_ticks; | |
10850 | ||
10851 | return 0; | |
10852 | } | |
10853 | ||
10854 | static int bnx2x_set_coalesce(struct net_device *dev, | |
10855 | struct ethtool_coalesce *coal) | |
10856 | { | |
10857 | struct bnx2x *bp = netdev_priv(dev); | |
10858 | ||
10859 | bp->rx_ticks = (u16)coal->rx_coalesce_usecs; | |
10860 | if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT) | |
10861 | bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT; | |
10862 | ||
10863 | bp->tx_ticks = (u16)coal->tx_coalesce_usecs; | |
10864 | if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT) | |
10865 | bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT; | |
10866 | ||
10867 | if (netif_running(dev)) | |
10868 | bnx2x_update_coalesce(bp); | |
10869 | ||
10870 | return 0; | |
10871 | } | |
10872 | ||
10873 | static void bnx2x_get_ringparam(struct net_device *dev, | |
10874 | struct ethtool_ringparam *ering) | |
10875 | { | |
10876 | struct bnx2x *bp = netdev_priv(dev); | |
10877 | ||
10878 | ering->rx_max_pending = MAX_RX_AVAIL; | |
10879 | ering->rx_mini_max_pending = 0; | |
10880 | ering->rx_jumbo_max_pending = 0; | |
10881 | ||
10882 | ering->rx_pending = bp->rx_ring_size; | |
10883 | ering->rx_mini_pending = 0; | |
10884 | ering->rx_jumbo_pending = 0; | |
10885 | ||
10886 | ering->tx_max_pending = MAX_TX_AVAIL; | |
10887 | ering->tx_pending = bp->tx_ring_size; | |
10888 | } | |
10889 | ||
10890 | static int bnx2x_set_ringparam(struct net_device *dev, | |
10891 | struct ethtool_ringparam *ering) | |
10892 | { | |
10893 | struct bnx2x *bp = netdev_priv(dev); | |
10894 | int rc = 0; | |
10895 | ||
10896 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { | |
10897 | printk(KERN_ERR "Handling parity error recovery. Try again later\n"); | |
10898 | return -EAGAIN; | |
10899 | } | |
10900 | ||
10901 | if ((ering->rx_pending > MAX_RX_AVAIL) || | |
10902 | (ering->tx_pending > MAX_TX_AVAIL) || | |
10903 | (ering->tx_pending <= MAX_SKB_FRAGS + 4)) | |
10904 | return -EINVAL; | |
10905 | ||
10906 | bp->rx_ring_size = ering->rx_pending; | |
10907 | bp->tx_ring_size = ering->tx_pending; | |
10908 | ||
10909 | if (netif_running(dev)) { | |
10910 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
10911 | rc = bnx2x_nic_load(bp, LOAD_NORMAL); | |
10912 | } | |
10913 | ||
10914 | return rc; | |
10915 | } | |
10916 | ||
10917 | static void bnx2x_get_pauseparam(struct net_device *dev, | |
10918 | struct ethtool_pauseparam *epause) | |
10919 | { | |
10920 | struct bnx2x *bp = netdev_priv(dev); | |
10921 | ||
10922 | epause->autoneg = (bp->link_params.req_flow_ctrl == | |
10923 | BNX2X_FLOW_CTRL_AUTO) && | |
10924 | (bp->link_params.req_line_speed == SPEED_AUTO_NEG); | |
10925 | ||
10926 | epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) == | |
10927 | BNX2X_FLOW_CTRL_RX); | |
10928 | epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) == | |
10929 | BNX2X_FLOW_CTRL_TX); | |
10930 | ||
10931 | DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" | |
10932 | DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", | |
10933 | epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); | |
10934 | } | |
10935 | ||
10936 | static int bnx2x_set_pauseparam(struct net_device *dev, | |
10937 | struct ethtool_pauseparam *epause) | |
10938 | { | |
10939 | struct bnx2x *bp = netdev_priv(dev); | |
10940 | ||
10941 | if (IS_E1HMF(bp)) | |
10942 | return 0; | |
10943 | ||
10944 | DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" | |
10945 | DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", | |
10946 | epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); | |
10947 | ||
10948 | bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; | |
10949 | ||
10950 | if (epause->rx_pause) | |
10951 | bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX; | |
10952 | ||
10953 | if (epause->tx_pause) | |
10954 | bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX; | |
10955 | ||
10956 | if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) | |
10957 | bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
10958 | ||
10959 | if (epause->autoneg) { | |
10960 | if (!(bp->port.supported & SUPPORTED_Autoneg)) { | |
10961 | DP(NETIF_MSG_LINK, "autoneg not supported\n"); | |
10962 | return -EINVAL; | |
10963 | } | |
10964 | ||
10965 | if (bp->link_params.req_line_speed == SPEED_AUTO_NEG) | |
10966 | bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; | |
10967 | } | |
10968 | ||
10969 | DP(NETIF_MSG_LINK, | |
10970 | "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl); | |
10971 | ||
10972 | if (netif_running(dev)) { | |
10973 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
10974 | bnx2x_link_set(bp); | |
10975 | } | |
10976 | ||
10977 | return 0; | |
10978 | } | |
10979 | ||
10980 | static int bnx2x_set_flags(struct net_device *dev, u32 data) | |
10981 | { | |
10982 | struct bnx2x *bp = netdev_priv(dev); | |
10983 | int changed = 0; | |
10984 | int rc = 0; | |
10985 | ||
10986 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { | |
10987 | printk(KERN_ERR "Handling parity error recovery. Try again later\n"); | |
10988 | return -EAGAIN; | |
10989 | } | |
10990 | ||
10991 | /* TPA requires Rx CSUM offloading */ | |
10992 | if ((data & ETH_FLAG_LRO) && bp->rx_csum) { | |
10993 | if (!disable_tpa) { | |
10994 | if (!(dev->features & NETIF_F_LRO)) { | |
10995 | dev->features |= NETIF_F_LRO; | |
10996 | bp->flags |= TPA_ENABLE_FLAG; | |
10997 | changed = 1; | |
10998 | } | |
10999 | } else | |
11000 | rc = -EINVAL; | |
11001 | } else if (dev->features & NETIF_F_LRO) { | |
11002 | dev->features &= ~NETIF_F_LRO; | |
11003 | bp->flags &= ~TPA_ENABLE_FLAG; | |
11004 | changed = 1; | |
11005 | } | |
11006 | ||
11007 | if (data & ETH_FLAG_RXHASH) | |
11008 | dev->features |= NETIF_F_RXHASH; | |
11009 | else | |
11010 | dev->features &= ~NETIF_F_RXHASH; | |
11011 | ||
11012 | if (changed && netif_running(dev)) { | |
11013 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
11014 | rc = bnx2x_nic_load(bp, LOAD_NORMAL); | |
11015 | } | |
11016 | ||
11017 | return rc; | |
11018 | } | |
11019 | ||
11020 | static u32 bnx2x_get_rx_csum(struct net_device *dev) | |
11021 | { | |
11022 | struct bnx2x *bp = netdev_priv(dev); | |
11023 | ||
11024 | return bp->rx_csum; | |
11025 | } | |
11026 | ||
11027 | static int bnx2x_set_rx_csum(struct net_device *dev, u32 data) | |
11028 | { | |
11029 | struct bnx2x *bp = netdev_priv(dev); | |
11030 | int rc = 0; | |
11031 | ||
11032 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { | |
11033 | printk(KERN_ERR "Handling parity error recovery. Try again later\n"); | |
11034 | return -EAGAIN; | |
11035 | } | |
11036 | ||
11037 | bp->rx_csum = data; | |
11038 | ||
11039 | /* Disable TPA, when Rx CSUM is disabled. Otherwise all | |
11040 | TPA'ed packets will be discarded due to wrong TCP CSUM */ | |
11041 | if (!data) { | |
11042 | u32 flags = ethtool_op_get_flags(dev); | |
11043 | ||
11044 | rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO)); | |
11045 | } | |
11046 | ||
11047 | return rc; | |
11048 | } | |
11049 | ||
11050 | static int bnx2x_set_tso(struct net_device *dev, u32 data) | |
11051 | { | |
11052 | if (data) { | |
11053 | dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); | |
11054 | dev->features |= NETIF_F_TSO6; | |
11055 | } else { | |
11056 | dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN); | |
11057 | dev->features &= ~NETIF_F_TSO6; | |
11058 | } | |
11059 | ||
11060 | return 0; | |
11061 | } | |
11062 | ||
11063 | static const struct { | |
11064 | char string[ETH_GSTRING_LEN]; | |
11065 | } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = { | |
11066 | { "register_test (offline)" }, | |
11067 | { "memory_test (offline)" }, | |
11068 | { "loopback_test (offline)" }, | |
11069 | { "nvram_test (online)" }, | |
11070 | { "interrupt_test (online)" }, | |
11071 | { "link_test (online)" }, | |
11072 | { "idle check (online)" } | |
11073 | }; | |
11074 | ||
11075 | static int bnx2x_test_registers(struct bnx2x *bp) | |
11076 | { | |
11077 | int idx, i, rc = -ENODEV; | |
11078 | u32 wr_val = 0; | |
11079 | int port = BP_PORT(bp); | |
11080 | static const struct { | |
11081 | u32 offset0; | |
11082 | u32 offset1; | |
11083 | u32 mask; | |
11084 | } reg_tbl[] = { | |
11085 | /* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff }, | |
11086 | { DORQ_REG_DB_ADDR0, 4, 0xffffffff }, | |
11087 | { HC_REG_AGG_INT_0, 4, 0x000003ff }, | |
11088 | { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 }, | |
11089 | { PBF_REG_P0_INIT_CRD, 4, 0x000007ff }, | |
11090 | { PRS_REG_CID_PORT_0, 4, 0x00ffffff }, | |
11091 | { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff }, | |
11092 | { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, | |
11093 | { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff }, | |
11094 | { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, | |
11095 | /* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff }, | |
11096 | { QM_REG_CONNNUM_0, 4, 0x000fffff }, | |
11097 | { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff }, | |
11098 | { SRC_REG_KEYRSS0_0, 40, 0xffffffff }, | |
11099 | { SRC_REG_KEYRSS0_7, 40, 0xffffffff }, | |
11100 | { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 }, | |
11101 | { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 }, | |
11102 | { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff }, | |
11103 | { NIG_REG_LLH0_T_BIT, 4, 0x00000001 }, | |
11104 | { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 }, | |
11105 | /* 20 */ { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 }, | |
11106 | { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 }, | |
11107 | { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 }, | |
11108 | { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 }, | |
11109 | { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff }, | |
11110 | { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff }, | |
11111 | { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff }, | |
11112 | { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff }, | |
11113 | { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 }, | |
11114 | { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff }, | |
11115 | /* 30 */ { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff }, | |
11116 | { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff }, | |
11117 | { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 }, | |
11118 | { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 }, | |
11119 | { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff }, | |
11120 | { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 }, | |
11121 | { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f }, | |
11122 | ||
11123 | { 0xffffffff, 0, 0x00000000 } | |
11124 | }; | |
11125 | ||
11126 | if (!netif_running(bp->dev)) | |
11127 | return rc; | |
11128 | ||
11129 | /* Repeat the test twice: | |
11130 | First by writing 0x00000000, second by writing 0xffffffff */ | |
11131 | for (idx = 0; idx < 2; idx++) { | |
11132 | ||
11133 | switch (idx) { | |
11134 | case 0: | |
11135 | wr_val = 0; | |
11136 | break; | |
11137 | case 1: | |
11138 | wr_val = 0xffffffff; | |
11139 | break; | |
11140 | } | |
11141 | ||
11142 | for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) { | |
11143 | u32 offset, mask, save_val, val; | |
11144 | ||
11145 | offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1; | |
11146 | mask = reg_tbl[i].mask; | |
11147 | ||
11148 | save_val = REG_RD(bp, offset); | |
11149 | ||
11150 | REG_WR(bp, offset, (wr_val & mask)); | |
11151 | val = REG_RD(bp, offset); | |
11152 | ||
11153 | /* Restore the original register's value */ | |
11154 | REG_WR(bp, offset, save_val); | |
11155 | ||
11156 | /* verify value is as expected */ | |
11157 | if ((val & mask) != (wr_val & mask)) { | |
11158 | DP(NETIF_MSG_PROBE, | |
11159 | "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n", | |
11160 | offset, val, wr_val, mask); | |
11161 | goto test_reg_exit; | |
11162 | } | |
11163 | } | |
11164 | } | |
11165 | ||
11166 | rc = 0; | |
11167 | ||
11168 | test_reg_exit: | |
11169 | return rc; | |
11170 | } | |
11171 | ||
11172 | static int bnx2x_test_memory(struct bnx2x *bp) | |
11173 | { | |
11174 | int i, j, rc = -ENODEV; | |
11175 | u32 val; | |
11176 | static const struct { | |
11177 | u32 offset; | |
11178 | int size; | |
11179 | } mem_tbl[] = { | |
11180 | { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE }, | |
11181 | { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE }, | |
11182 | { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE }, | |
11183 | { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE }, | |
11184 | { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE }, | |
11185 | { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE }, | |
11186 | { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE }, | |
11187 | ||
11188 | { 0xffffffff, 0 } | |
11189 | }; | |
11190 | static const struct { | |
11191 | char *name; | |
11192 | u32 offset; | |
11193 | u32 e1_mask; | |
11194 | u32 e1h_mask; | |
11195 | } prty_tbl[] = { | |
11196 | { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 }, | |
11197 | { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 }, | |
11198 | { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 }, | |
11199 | { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 }, | |
11200 | { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 }, | |
11201 | { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 }, | |
11202 | ||
11203 | { NULL, 0xffffffff, 0, 0 } | |
11204 | }; | |
11205 | ||
11206 | if (!netif_running(bp->dev)) | |
11207 | return rc; | |
11208 | ||
11209 | /* Go through all the memories */ | |
11210 | for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) | |
11211 | for (j = 0; j < mem_tbl[i].size; j++) | |
11212 | REG_RD(bp, mem_tbl[i].offset + j*4); | |
11213 | ||
11214 | /* Check the parity status */ | |
11215 | for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) { | |
11216 | val = REG_RD(bp, prty_tbl[i].offset); | |
11217 | if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) || | |
11218 | (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) { | |
11219 | DP(NETIF_MSG_HW, | |
11220 | "%s is 0x%x\n", prty_tbl[i].name, val); | |
11221 | goto test_mem_exit; | |
11222 | } | |
11223 | } | |
11224 | ||
11225 | rc = 0; | |
11226 | ||
11227 | test_mem_exit: | |
11228 | return rc; | |
11229 | } | |
11230 | ||
11231 | static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up) | |
11232 | { | |
11233 | int cnt = 1000; | |
11234 | ||
11235 | if (link_up) | |
11236 | while (bnx2x_link_test(bp) && cnt--) | |
11237 | msleep(10); | |
11238 | } | |
11239 | ||
11240 | static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up) | |
11241 | { | |
11242 | unsigned int pkt_size, num_pkts, i; | |
11243 | struct sk_buff *skb; | |
11244 | unsigned char *packet; | |
11245 | struct bnx2x_fastpath *fp_rx = &bp->fp[0]; | |
11246 | struct bnx2x_fastpath *fp_tx = &bp->fp[0]; | |
11247 | u16 tx_start_idx, tx_idx; | |
11248 | u16 rx_start_idx, rx_idx; | |
11249 | u16 pkt_prod, bd_prod; | |
11250 | struct sw_tx_bd *tx_buf; | |
11251 | struct eth_tx_start_bd *tx_start_bd; | |
11252 | struct eth_tx_parse_bd *pbd = NULL; | |
11253 | dma_addr_t mapping; | |
11254 | union eth_rx_cqe *cqe; | |
11255 | u8 cqe_fp_flags; | |
11256 | struct sw_rx_bd *rx_buf; | |
11257 | u16 len; | |
11258 | int rc = -ENODEV; | |
11259 | ||
11260 | /* check the loopback mode */ | |
11261 | switch (loopback_mode) { | |
11262 | case BNX2X_PHY_LOOPBACK: | |
11263 | if (bp->link_params.loopback_mode != LOOPBACK_XGXS_10) | |
11264 | return -EINVAL; | |
11265 | break; | |
11266 | case BNX2X_MAC_LOOPBACK: | |
11267 | bp->link_params.loopback_mode = LOOPBACK_BMAC; | |
11268 | bnx2x_phy_init(&bp->link_params, &bp->link_vars); | |
11269 | break; | |
11270 | default: | |
11271 | return -EINVAL; | |
11272 | } | |
11273 | ||
11274 | /* prepare the loopback packet */ | |
11275 | pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ? | |
11276 | bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN); | |
11277 | skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); | |
11278 | if (!skb) { | |
11279 | rc = -ENOMEM; | |
11280 | goto test_loopback_exit; | |
11281 | } | |
11282 | packet = skb_put(skb, pkt_size); | |
11283 | memcpy(packet, bp->dev->dev_addr, ETH_ALEN); | |
11284 | memset(packet + ETH_ALEN, 0, ETH_ALEN); | |
11285 | memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN)); | |
11286 | for (i = ETH_HLEN; i < pkt_size; i++) | |
11287 | packet[i] = (unsigned char) (i & 0xff); | |
11288 | ||
11289 | /* send the loopback packet */ | |
11290 | num_pkts = 0; | |
11291 | tx_start_idx = le16_to_cpu(*fp_tx->tx_cons_sb); | |
11292 | rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb); | |
11293 | ||
11294 | pkt_prod = fp_tx->tx_pkt_prod++; | |
11295 | tx_buf = &fp_tx->tx_buf_ring[TX_BD(pkt_prod)]; | |
11296 | tx_buf->first_bd = fp_tx->tx_bd_prod; | |
11297 | tx_buf->skb = skb; | |
11298 | tx_buf->flags = 0; | |
11299 | ||
11300 | bd_prod = TX_BD(fp_tx->tx_bd_prod); | |
11301 | tx_start_bd = &fp_tx->tx_desc_ring[bd_prod].start_bd; | |
11302 | mapping = dma_map_single(&bp->pdev->dev, skb->data, | |
11303 | skb_headlen(skb), DMA_TO_DEVICE); | |
11304 | tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
11305 | tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
11306 | tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */ | |
11307 | tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb)); | |
11308 | tx_start_bd->vlan = cpu_to_le16(pkt_prod); | |
11309 | tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; | |
11310 | tx_start_bd->general_data = ((UNICAST_ADDRESS << | |
11311 | ETH_TX_START_BD_ETH_ADDR_TYPE_SHIFT) | 1); | |
11312 | ||
11313 | /* turn on parsing and get a BD */ | |
11314 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
11315 | pbd = &fp_tx->tx_desc_ring[bd_prod].parse_bd; | |
11316 | ||
11317 | memset(pbd, 0, sizeof(struct eth_tx_parse_bd)); | |
11318 | ||
11319 | wmb(); | |
11320 | ||
11321 | fp_tx->tx_db.data.prod += 2; | |
11322 | barrier(); | |
11323 | DOORBELL(bp, fp_tx->index, fp_tx->tx_db.raw); | |
11324 | ||
11325 | mmiowb(); | |
11326 | ||
11327 | num_pkts++; | |
11328 | fp_tx->tx_bd_prod += 2; /* start + pbd */ | |
11329 | ||
11330 | udelay(100); | |
11331 | ||
11332 | tx_idx = le16_to_cpu(*fp_tx->tx_cons_sb); | |
11333 | if (tx_idx != tx_start_idx + num_pkts) | |
11334 | goto test_loopback_exit; | |
11335 | ||
11336 | rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb); | |
11337 | if (rx_idx != rx_start_idx + num_pkts) | |
11338 | goto test_loopback_exit; | |
11339 | ||
11340 | cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)]; | |
11341 | cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; | |
11342 | if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS)) | |
11343 | goto test_loopback_rx_exit; | |
11344 | ||
11345 | len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); | |
11346 | if (len != pkt_size) | |
11347 | goto test_loopback_rx_exit; | |
11348 | ||
11349 | rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)]; | |
11350 | skb = rx_buf->skb; | |
11351 | skb_reserve(skb, cqe->fast_path_cqe.placement_offset); | |
11352 | for (i = ETH_HLEN; i < pkt_size; i++) | |
11353 | if (*(skb->data + i) != (unsigned char) (i & 0xff)) | |
11354 | goto test_loopback_rx_exit; | |
11355 | ||
11356 | rc = 0; | |
11357 | ||
11358 | test_loopback_rx_exit: | |
11359 | ||
11360 | fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons); | |
11361 | fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod); | |
11362 | fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons); | |
11363 | fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod); | |
11364 | ||
11365 | /* Update producers */ | |
11366 | bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod, | |
11367 | fp_rx->rx_sge_prod); | |
11368 | ||
11369 | test_loopback_exit: | |
11370 | bp->link_params.loopback_mode = LOOPBACK_NONE; | |
11371 | ||
11372 | return rc; | |
11373 | } | |
11374 | ||
11375 | static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up) | |
11376 | { | |
11377 | int rc = 0, res; | |
11378 | ||
11379 | if (BP_NOMCP(bp)) | |
11380 | return rc; | |
11381 | ||
11382 | if (!netif_running(bp->dev)) | |
11383 | return BNX2X_LOOPBACK_FAILED; | |
11384 | ||
11385 | bnx2x_netif_stop(bp, 1); | |
11386 | bnx2x_acquire_phy_lock(bp); | |
11387 | ||
11388 | res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up); | |
11389 | if (res) { | |
11390 | DP(NETIF_MSG_PROBE, " PHY loopback failed (res %d)\n", res); | |
11391 | rc |= BNX2X_PHY_LOOPBACK_FAILED; | |
11392 | } | |
11393 | ||
11394 | res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up); | |
11395 | if (res) { | |
11396 | DP(NETIF_MSG_PROBE, " MAC loopback failed (res %d)\n", res); | |
11397 | rc |= BNX2X_MAC_LOOPBACK_FAILED; | |
11398 | } | |
11399 | ||
11400 | bnx2x_release_phy_lock(bp); | |
11401 | bnx2x_netif_start(bp); | |
11402 | ||
11403 | return rc; | |
11404 | } | |
11405 | ||
11406 | #define CRC32_RESIDUAL 0xdebb20e3 | |
11407 | ||
11408 | static int bnx2x_test_nvram(struct bnx2x *bp) | |
11409 | { | |
11410 | static const struct { | |
11411 | int offset; | |
11412 | int size; | |
11413 | } nvram_tbl[] = { | |
11414 | { 0, 0x14 }, /* bootstrap */ | |
11415 | { 0x14, 0xec }, /* dir */ | |
11416 | { 0x100, 0x350 }, /* manuf_info */ | |
11417 | { 0x450, 0xf0 }, /* feature_info */ | |
11418 | { 0x640, 0x64 }, /* upgrade_key_info */ | |
11419 | { 0x6a4, 0x64 }, | |
11420 | { 0x708, 0x70 }, /* manuf_key_info */ | |
11421 | { 0x778, 0x70 }, | |
11422 | { 0, 0 } | |
11423 | }; | |
11424 | __be32 buf[0x350 / 4]; | |
11425 | u8 *data = (u8 *)buf; | |
11426 | int i, rc; | |
11427 | u32 magic, crc; | |
11428 | ||
11429 | if (BP_NOMCP(bp)) | |
11430 | return 0; | |
11431 | ||
11432 | rc = bnx2x_nvram_read(bp, 0, data, 4); | |
11433 | if (rc) { | |
11434 | DP(NETIF_MSG_PROBE, "magic value read (rc %d)\n", rc); | |
11435 | goto test_nvram_exit; | |
11436 | } | |
11437 | ||
11438 | magic = be32_to_cpu(buf[0]); | |
11439 | if (magic != 0x669955aa) { | |
11440 | DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic); | |
11441 | rc = -ENODEV; | |
11442 | goto test_nvram_exit; | |
11443 | } | |
11444 | ||
11445 | for (i = 0; nvram_tbl[i].size; i++) { | |
11446 | ||
11447 | rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data, | |
11448 | nvram_tbl[i].size); | |
11449 | if (rc) { | |
11450 | DP(NETIF_MSG_PROBE, | |
11451 | "nvram_tbl[%d] read data (rc %d)\n", i, rc); | |
11452 | goto test_nvram_exit; | |
11453 | } | |
11454 | ||
11455 | crc = ether_crc_le(nvram_tbl[i].size, data); | |
11456 | if (crc != CRC32_RESIDUAL) { | |
11457 | DP(NETIF_MSG_PROBE, | |
11458 | "nvram_tbl[%d] crc value (0x%08x)\n", i, crc); | |
11459 | rc = -ENODEV; | |
11460 | goto test_nvram_exit; | |
11461 | } | |
11462 | } | |
11463 | ||
11464 | test_nvram_exit: | |
11465 | return rc; | |
11466 | } | |
11467 | ||
11468 | static int bnx2x_test_intr(struct bnx2x *bp) | |
11469 | { | |
11470 | struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config); | |
11471 | int i, rc; | |
11472 | ||
11473 | if (!netif_running(bp->dev)) | |
11474 | return -ENODEV; | |
11475 | ||
11476 | config->hdr.length = 0; | |
11477 | if (CHIP_IS_E1(bp)) | |
11478 | /* use last unicast entries */ | |
11479 | config->hdr.offset = (BP_PORT(bp) ? 63 : 31); | |
11480 | else | |
11481 | config->hdr.offset = BP_FUNC(bp); | |
11482 | config->hdr.client_id = bp->fp->cl_id; | |
11483 | config->hdr.reserved1 = 0; | |
11484 | ||
11485 | bp->set_mac_pending++; | |
11486 | smp_wmb(); | |
11487 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
11488 | U64_HI(bnx2x_sp_mapping(bp, mac_config)), | |
11489 | U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); | |
11490 | if (rc == 0) { | |
11491 | for (i = 0; i < 10; i++) { | |
11492 | if (!bp->set_mac_pending) | |
11493 | break; | |
11494 | smp_rmb(); | |
11495 | msleep_interruptible(10); | |
11496 | } | |
11497 | if (i == 10) | |
11498 | rc = -ENODEV; | |
11499 | } | |
11500 | ||
11501 | return rc; | |
11502 | } | |
11503 | ||
11504 | static void bnx2x_self_test(struct net_device *dev, | |
11505 | struct ethtool_test *etest, u64 *buf) | |
11506 | { | |
11507 | struct bnx2x *bp = netdev_priv(dev); | |
11508 | ||
11509 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { | |
11510 | printk(KERN_ERR "Handling parity error recovery. Try again later\n"); | |
11511 | etest->flags |= ETH_TEST_FL_FAILED; | |
11512 | return; | |
11513 | } | |
11514 | ||
11515 | memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS); | |
11516 | ||
11517 | if (!netif_running(dev)) | |
11518 | return; | |
11519 | ||
11520 | /* offline tests are not supported in MF mode */ | |
11521 | if (IS_E1HMF(bp)) | |
11522 | etest->flags &= ~ETH_TEST_FL_OFFLINE; | |
11523 | ||
11524 | if (etest->flags & ETH_TEST_FL_OFFLINE) { | |
11525 | int port = BP_PORT(bp); | |
11526 | u32 val; | |
11527 | u8 link_up; | |
11528 | ||
11529 | /* save current value of input enable for TX port IF */ | |
11530 | val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4); | |
11531 | /* disable input for TX port IF */ | |
11532 | REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0); | |
11533 | ||
11534 | link_up = (bnx2x_link_test(bp) == 0); | |
11535 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
11536 | bnx2x_nic_load(bp, LOAD_DIAG); | |
11537 | /* wait until link state is restored */ | |
11538 | bnx2x_wait_for_link(bp, link_up); | |
11539 | ||
11540 | if (bnx2x_test_registers(bp) != 0) { | |
11541 | buf[0] = 1; | |
11542 | etest->flags |= ETH_TEST_FL_FAILED; | |
11543 | } | |
11544 | if (bnx2x_test_memory(bp) != 0) { | |
11545 | buf[1] = 1; | |
11546 | etest->flags |= ETH_TEST_FL_FAILED; | |
11547 | } | |
11548 | buf[2] = bnx2x_test_loopback(bp, link_up); | |
11549 | if (buf[2] != 0) | |
11550 | etest->flags |= ETH_TEST_FL_FAILED; | |
11551 | ||
11552 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
11553 | ||
11554 | /* restore input for TX port IF */ | |
11555 | REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val); | |
11556 | ||
11557 | bnx2x_nic_load(bp, LOAD_NORMAL); | |
11558 | /* wait until link state is restored */ | |
11559 | bnx2x_wait_for_link(bp, link_up); | |
11560 | } | |
11561 | if (bnx2x_test_nvram(bp) != 0) { | |
11562 | buf[3] = 1; | |
11563 | etest->flags |= ETH_TEST_FL_FAILED; | |
11564 | } | |
11565 | if (bnx2x_test_intr(bp) != 0) { | |
11566 | buf[4] = 1; | |
11567 | etest->flags |= ETH_TEST_FL_FAILED; | |
11568 | } | |
11569 | if (bp->port.pmf) | |
11570 | if (bnx2x_link_test(bp) != 0) { | |
11571 | buf[5] = 1; | |
11572 | etest->flags |= ETH_TEST_FL_FAILED; | |
11573 | } | |
11574 | ||
11575 | #ifdef BNX2X_EXTRA_DEBUG | |
11576 | bnx2x_panic_dump(bp); | |
11577 | #endif | |
11578 | } | |
11579 | ||
11580 | static const struct { | |
11581 | long offset; | |
11582 | int size; | |
11583 | u8 string[ETH_GSTRING_LEN]; | |
11584 | } bnx2x_q_stats_arr[BNX2X_NUM_Q_STATS] = { | |
11585 | /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%d]: rx_bytes" }, | |
11586 | { Q_STATS_OFFSET32(error_bytes_received_hi), | |
11587 | 8, "[%d]: rx_error_bytes" }, | |
11588 | { Q_STATS_OFFSET32(total_unicast_packets_received_hi), | |
11589 | 8, "[%d]: rx_ucast_packets" }, | |
11590 | { Q_STATS_OFFSET32(total_multicast_packets_received_hi), | |
11591 | 8, "[%d]: rx_mcast_packets" }, | |
11592 | { Q_STATS_OFFSET32(total_broadcast_packets_received_hi), | |
11593 | 8, "[%d]: rx_bcast_packets" }, | |
11594 | { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%d]: rx_discards" }, | |
11595 | { Q_STATS_OFFSET32(rx_err_discard_pkt), | |
11596 | 4, "[%d]: rx_phy_ip_err_discards"}, | |
11597 | { Q_STATS_OFFSET32(rx_skb_alloc_failed), | |
11598 | 4, "[%d]: rx_skb_alloc_discard" }, | |
11599 | { Q_STATS_OFFSET32(hw_csum_err), 4, "[%d]: rx_csum_offload_errors" }, | |
11600 | ||
11601 | /* 10 */{ Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%d]: tx_bytes" }, | |
11602 | { Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi), | |
11603 | 8, "[%d]: tx_ucast_packets" }, | |
11604 | { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi), | |
11605 | 8, "[%d]: tx_mcast_packets" }, | |
11606 | { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi), | |
11607 | 8, "[%d]: tx_bcast_packets" } | |
11608 | }; | |
11609 | ||
11610 | static const struct { | |
11611 | long offset; | |
11612 | int size; | |
11613 | u32 flags; | |
11614 | #define STATS_FLAGS_PORT 1 | |
11615 | #define STATS_FLAGS_FUNC 2 | |
11616 | #define STATS_FLAGS_BOTH (STATS_FLAGS_FUNC | STATS_FLAGS_PORT) | |
11617 | u8 string[ETH_GSTRING_LEN]; | |
11618 | } bnx2x_stats_arr[BNX2X_NUM_STATS] = { | |
11619 | /* 1 */ { STATS_OFFSET32(total_bytes_received_hi), | |
11620 | 8, STATS_FLAGS_BOTH, "rx_bytes" }, | |
11621 | { STATS_OFFSET32(error_bytes_received_hi), | |
11622 | 8, STATS_FLAGS_BOTH, "rx_error_bytes" }, | |
11623 | { STATS_OFFSET32(total_unicast_packets_received_hi), | |
11624 | 8, STATS_FLAGS_BOTH, "rx_ucast_packets" }, | |
11625 | { STATS_OFFSET32(total_multicast_packets_received_hi), | |
11626 | 8, STATS_FLAGS_BOTH, "rx_mcast_packets" }, | |
11627 | { STATS_OFFSET32(total_broadcast_packets_received_hi), | |
11628 | 8, STATS_FLAGS_BOTH, "rx_bcast_packets" }, | |
11629 | { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi), | |
11630 | 8, STATS_FLAGS_PORT, "rx_crc_errors" }, | |
11631 | { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi), | |
11632 | 8, STATS_FLAGS_PORT, "rx_align_errors" }, | |
11633 | { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi), | |
11634 | 8, STATS_FLAGS_PORT, "rx_undersize_packets" }, | |
11635 | { STATS_OFFSET32(etherstatsoverrsizepkts_hi), | |
11636 | 8, STATS_FLAGS_PORT, "rx_oversize_packets" }, | |
11637 | /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi), | |
11638 | 8, STATS_FLAGS_PORT, "rx_fragments" }, | |
11639 | { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi), | |
11640 | 8, STATS_FLAGS_PORT, "rx_jabbers" }, | |
11641 | { STATS_OFFSET32(no_buff_discard_hi), | |
11642 | 8, STATS_FLAGS_BOTH, "rx_discards" }, | |
11643 | { STATS_OFFSET32(mac_filter_discard), | |
11644 | 4, STATS_FLAGS_PORT, "rx_filtered_packets" }, | |
11645 | { STATS_OFFSET32(xxoverflow_discard), | |
11646 | 4, STATS_FLAGS_PORT, "rx_fw_discards" }, | |
11647 | { STATS_OFFSET32(brb_drop_hi), | |
11648 | 8, STATS_FLAGS_PORT, "rx_brb_discard" }, | |
11649 | { STATS_OFFSET32(brb_truncate_hi), | |
11650 | 8, STATS_FLAGS_PORT, "rx_brb_truncate" }, | |
11651 | { STATS_OFFSET32(pause_frames_received_hi), | |
11652 | 8, STATS_FLAGS_PORT, "rx_pause_frames" }, | |
11653 | { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi), | |
11654 | 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" }, | |
11655 | { STATS_OFFSET32(nig_timer_max), | |
11656 | 4, STATS_FLAGS_PORT, "rx_constant_pause_events" }, | |
11657 | /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt), | |
11658 | 4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"}, | |
11659 | { STATS_OFFSET32(rx_skb_alloc_failed), | |
11660 | 4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" }, | |
11661 | { STATS_OFFSET32(hw_csum_err), | |
11662 | 4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" }, | |
11663 | ||
11664 | { STATS_OFFSET32(total_bytes_transmitted_hi), | |
11665 | 8, STATS_FLAGS_BOTH, "tx_bytes" }, | |
11666 | { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi), | |
11667 | 8, STATS_FLAGS_PORT, "tx_error_bytes" }, | |
11668 | { STATS_OFFSET32(total_unicast_packets_transmitted_hi), | |
11669 | 8, STATS_FLAGS_BOTH, "tx_ucast_packets" }, | |
11670 | { STATS_OFFSET32(total_multicast_packets_transmitted_hi), | |
11671 | 8, STATS_FLAGS_BOTH, "tx_mcast_packets" }, | |
11672 | { STATS_OFFSET32(total_broadcast_packets_transmitted_hi), | |
11673 | 8, STATS_FLAGS_BOTH, "tx_bcast_packets" }, | |
11674 | { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi), | |
11675 | 8, STATS_FLAGS_PORT, "tx_mac_errors" }, | |
11676 | { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi), | |
11677 | 8, STATS_FLAGS_PORT, "tx_carrier_errors" }, | |
11678 | /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi), | |
11679 | 8, STATS_FLAGS_PORT, "tx_single_collisions" }, | |
11680 | { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi), | |
11681 | 8, STATS_FLAGS_PORT, "tx_multi_collisions" }, | |
11682 | { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi), | |
11683 | 8, STATS_FLAGS_PORT, "tx_deferred" }, | |
11684 | { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi), | |
11685 | 8, STATS_FLAGS_PORT, "tx_excess_collisions" }, | |
11686 | { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi), | |
11687 | 8, STATS_FLAGS_PORT, "tx_late_collisions" }, | |
11688 | { STATS_OFFSET32(tx_stat_etherstatscollisions_hi), | |
11689 | 8, STATS_FLAGS_PORT, "tx_total_collisions" }, | |
11690 | { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi), | |
11691 | 8, STATS_FLAGS_PORT, "tx_64_byte_packets" }, | |
11692 | { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi), | |
11693 | 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" }, | |
11694 | { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi), | |
11695 | 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" }, | |
11696 | { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi), | |
11697 | 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" }, | |
11698 | /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi), | |
11699 | 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" }, | |
11700 | { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi), | |
11701 | 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" }, | |
11702 | { STATS_OFFSET32(etherstatspktsover1522octets_hi), | |
11703 | 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" }, | |
11704 | { STATS_OFFSET32(pause_frames_sent_hi), | |
11705 | 8, STATS_FLAGS_PORT, "tx_pause_frames" } | |
11706 | }; | |
11707 | ||
11708 | #define IS_PORT_STAT(i) \ | |
11709 | ((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT) | |
11710 | #define IS_FUNC_STAT(i) (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC) | |
11711 | #define IS_E1HMF_MODE_STAT(bp) \ | |
11712 | (IS_E1HMF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS)) | |
11713 | ||
11714 | static int bnx2x_get_sset_count(struct net_device *dev, int stringset) | |
11715 | { | |
11716 | struct bnx2x *bp = netdev_priv(dev); | |
11717 | int i, num_stats; | |
11718 | ||
11719 | switch (stringset) { | |
11720 | case ETH_SS_STATS: | |
11721 | if (is_multi(bp)) { | |
11722 | num_stats = BNX2X_NUM_Q_STATS * bp->num_queues; | |
11723 | if (!IS_E1HMF_MODE_STAT(bp)) | |
11724 | num_stats += BNX2X_NUM_STATS; | |
11725 | } else { | |
11726 | if (IS_E1HMF_MODE_STAT(bp)) { | |
11727 | num_stats = 0; | |
11728 | for (i = 0; i < BNX2X_NUM_STATS; i++) | |
11729 | if (IS_FUNC_STAT(i)) | |
11730 | num_stats++; | |
11731 | } else | |
11732 | num_stats = BNX2X_NUM_STATS; | |
11733 | } | |
11734 | return num_stats; | |
11735 | ||
11736 | case ETH_SS_TEST: | |
11737 | return BNX2X_NUM_TESTS; | |
11738 | ||
11739 | default: | |
11740 | return -EINVAL; | |
11741 | } | |
11742 | } | |
11743 | ||
11744 | static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) | |
11745 | { | |
11746 | struct bnx2x *bp = netdev_priv(dev); | |
11747 | int i, j, k; | |
11748 | ||
11749 | switch (stringset) { | |
11750 | case ETH_SS_STATS: | |
11751 | if (is_multi(bp)) { | |
11752 | k = 0; | |
11753 | for_each_queue(bp, i) { | |
11754 | for (j = 0; j < BNX2X_NUM_Q_STATS; j++) | |
11755 | sprintf(buf + (k + j)*ETH_GSTRING_LEN, | |
11756 | bnx2x_q_stats_arr[j].string, i); | |
11757 | k += BNX2X_NUM_Q_STATS; | |
11758 | } | |
11759 | if (IS_E1HMF_MODE_STAT(bp)) | |
11760 | break; | |
11761 | for (j = 0; j < BNX2X_NUM_STATS; j++) | |
11762 | strcpy(buf + (k + j)*ETH_GSTRING_LEN, | |
11763 | bnx2x_stats_arr[j].string); | |
11764 | } else { | |
11765 | for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { | |
11766 | if (IS_E1HMF_MODE_STAT(bp) && IS_PORT_STAT(i)) | |
11767 | continue; | |
11768 | strcpy(buf + j*ETH_GSTRING_LEN, | |
11769 | bnx2x_stats_arr[i].string); | |
11770 | j++; | |
11771 | } | |
11772 | } | |
11773 | break; | |
11774 | ||
11775 | case ETH_SS_TEST: | |
11776 | memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr)); | |
11777 | break; | |
11778 | } | |
11779 | } | |
11780 | ||
11781 | static void bnx2x_get_ethtool_stats(struct net_device *dev, | |
11782 | struct ethtool_stats *stats, u64 *buf) | |
11783 | { | |
11784 | struct bnx2x *bp = netdev_priv(dev); | |
11785 | u32 *hw_stats, *offset; | |
11786 | int i, j, k; | |
11787 | ||
11788 | if (is_multi(bp)) { | |
11789 | k = 0; | |
11790 | for_each_queue(bp, i) { | |
11791 | hw_stats = (u32 *)&bp->fp[i].eth_q_stats; | |
11792 | for (j = 0; j < BNX2X_NUM_Q_STATS; j++) { | |
11793 | if (bnx2x_q_stats_arr[j].size == 0) { | |
11794 | /* skip this counter */ | |
11795 | buf[k + j] = 0; | |
11796 | continue; | |
11797 | } | |
11798 | offset = (hw_stats + | |
11799 | bnx2x_q_stats_arr[j].offset); | |
11800 | if (bnx2x_q_stats_arr[j].size == 4) { | |
11801 | /* 4-byte counter */ | |
11802 | buf[k + j] = (u64) *offset; | |
11803 | continue; | |
11804 | } | |
11805 | /* 8-byte counter */ | |
11806 | buf[k + j] = HILO_U64(*offset, *(offset + 1)); | |
11807 | } | |
11808 | k += BNX2X_NUM_Q_STATS; | |
11809 | } | |
11810 | if (IS_E1HMF_MODE_STAT(bp)) | |
11811 | return; | |
11812 | hw_stats = (u32 *)&bp->eth_stats; | |
11813 | for (j = 0; j < BNX2X_NUM_STATS; j++) { | |
11814 | if (bnx2x_stats_arr[j].size == 0) { | |
11815 | /* skip this counter */ | |
11816 | buf[k + j] = 0; | |
11817 | continue; | |
11818 | } | |
11819 | offset = (hw_stats + bnx2x_stats_arr[j].offset); | |
11820 | if (bnx2x_stats_arr[j].size == 4) { | |
11821 | /* 4-byte counter */ | |
11822 | buf[k + j] = (u64) *offset; | |
11823 | continue; | |
11824 | } | |
11825 | /* 8-byte counter */ | |
11826 | buf[k + j] = HILO_U64(*offset, *(offset + 1)); | |
11827 | } | |
11828 | } else { | |
11829 | hw_stats = (u32 *)&bp->eth_stats; | |
11830 | for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { | |
11831 | if (IS_E1HMF_MODE_STAT(bp) && IS_PORT_STAT(i)) | |
11832 | continue; | |
11833 | if (bnx2x_stats_arr[i].size == 0) { | |
11834 | /* skip this counter */ | |
11835 | buf[j] = 0; | |
11836 | j++; | |
11837 | continue; | |
11838 | } | |
11839 | offset = (hw_stats + bnx2x_stats_arr[i].offset); | |
11840 | if (bnx2x_stats_arr[i].size == 4) { | |
11841 | /* 4-byte counter */ | |
11842 | buf[j] = (u64) *offset; | |
11843 | j++; | |
11844 | continue; | |
11845 | } | |
11846 | /* 8-byte counter */ | |
11847 | buf[j] = HILO_U64(*offset, *(offset + 1)); | |
11848 | j++; | |
11849 | } | |
11850 | } | |
11851 | } | |
11852 | ||
11853 | static int bnx2x_phys_id(struct net_device *dev, u32 data) | |
11854 | { | |
11855 | struct bnx2x *bp = netdev_priv(dev); | |
11856 | int i; | |
11857 | ||
11858 | if (!netif_running(dev)) | |
11859 | return 0; | |
11860 | ||
11861 | if (!bp->port.pmf) | |
11862 | return 0; | |
11863 | ||
11864 | if (data == 0) | |
11865 | data = 2; | |
11866 | ||
11867 | for (i = 0; i < (data * 2); i++) { | |
11868 | if ((i % 2) == 0) | |
11869 | bnx2x_set_led(&bp->link_params, LED_MODE_OPER, | |
11870 | SPEED_1000); | |
11871 | else | |
11872 | bnx2x_set_led(&bp->link_params, LED_MODE_OFF, 0); | |
11873 | ||
11874 | msleep_interruptible(500); | |
11875 | if (signal_pending(current)) | |
11876 | break; | |
11877 | } | |
11878 | ||
11879 | if (bp->link_vars.link_up) | |
11880 | bnx2x_set_led(&bp->link_params, LED_MODE_OPER, | |
11881 | bp->link_vars.line_speed); | |
11882 | ||
11883 | return 0; | |
11884 | } | |
11885 | ||
11886 | static const struct ethtool_ops bnx2x_ethtool_ops = { | |
11887 | .get_settings = bnx2x_get_settings, | |
11888 | .set_settings = bnx2x_set_settings, | |
11889 | .get_drvinfo = bnx2x_get_drvinfo, | |
11890 | .get_regs_len = bnx2x_get_regs_len, | |
11891 | .get_regs = bnx2x_get_regs, | |
11892 | .get_wol = bnx2x_get_wol, | |
11893 | .set_wol = bnx2x_set_wol, | |
11894 | .get_msglevel = bnx2x_get_msglevel, | |
11895 | .set_msglevel = bnx2x_set_msglevel, | |
11896 | .nway_reset = bnx2x_nway_reset, | |
11897 | .get_link = bnx2x_get_link, | |
11898 | .get_eeprom_len = bnx2x_get_eeprom_len, | |
11899 | .get_eeprom = bnx2x_get_eeprom, | |
11900 | .set_eeprom = bnx2x_set_eeprom, | |
11901 | .get_coalesce = bnx2x_get_coalesce, | |
11902 | .set_coalesce = bnx2x_set_coalesce, | |
11903 | .get_ringparam = bnx2x_get_ringparam, | |
11904 | .set_ringparam = bnx2x_set_ringparam, | |
11905 | .get_pauseparam = bnx2x_get_pauseparam, | |
11906 | .set_pauseparam = bnx2x_set_pauseparam, | |
11907 | .get_rx_csum = bnx2x_get_rx_csum, | |
11908 | .set_rx_csum = bnx2x_set_rx_csum, | |
11909 | .get_tx_csum = ethtool_op_get_tx_csum, | |
11910 | .set_tx_csum = ethtool_op_set_tx_hw_csum, | |
11911 | .set_flags = bnx2x_set_flags, | |
11912 | .get_flags = ethtool_op_get_flags, | |
11913 | .get_sg = ethtool_op_get_sg, | |
11914 | .set_sg = ethtool_op_set_sg, | |
11915 | .get_tso = ethtool_op_get_tso, | |
11916 | .set_tso = bnx2x_set_tso, | |
11917 | .self_test = bnx2x_self_test, | |
11918 | .get_sset_count = bnx2x_get_sset_count, | |
11919 | .get_strings = bnx2x_get_strings, | |
11920 | .phys_id = bnx2x_phys_id, | |
11921 | .get_ethtool_stats = bnx2x_get_ethtool_stats, | |
11922 | }; | |
11923 | ||
11924 | /* end of ethtool_ops */ | |
11925 | ||
11926 | /**************************************************************************** | |
11927 | * General service functions | |
11928 | ****************************************************************************/ | |
11929 | ||
11930 | static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) | |
11931 | { | |
11932 | u16 pmcsr; | |
11933 | ||
11934 | pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr); | |
11935 | ||
11936 | switch (state) { | |
11937 | case PCI_D0: | |
11938 | pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, | |
11939 | ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) | | |
11940 | PCI_PM_CTRL_PME_STATUS)); | |
11941 | ||
11942 | if (pmcsr & PCI_PM_CTRL_STATE_MASK) | |
11943 | /* delay required during transition out of D3hot */ | |
11944 | msleep(20); | |
11945 | break; | |
11946 | ||
11947 | case PCI_D3hot: | |
11948 | /* If there are other clients above don't | |
11949 | shut down the power */ | |
11950 | if (atomic_read(&bp->pdev->enable_cnt) != 1) | |
11951 | return 0; | |
11952 | /* Don't shut down the power for emulation and FPGA */ | |
11953 | if (CHIP_REV_IS_SLOW(bp)) | |
11954 | return 0; | |
11955 | ||
11956 | pmcsr &= ~PCI_PM_CTRL_STATE_MASK; | |
11957 | pmcsr |= 3; | |
11958 | ||
11959 | if (bp->wol) | |
11960 | pmcsr |= PCI_PM_CTRL_PME_ENABLE; | |
11961 | ||
11962 | pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, | |
11963 | pmcsr); | |
11964 | ||
11965 | /* No more memory access after this point until | |
11966 | * device is brought back to D0. | |
11967 | */ | |
11968 | break; | |
11969 | ||
11970 | default: | |
11971 | return -EINVAL; | |
11972 | } | |
11973 | return 0; | |
11974 | } | |
11975 | ||
11976 | static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp) | |
11977 | { | |
11978 | u16 rx_cons_sb; | |
11979 | ||
11980 | /* Tell compiler that status block fields can change */ | |
11981 | barrier(); | |
11982 | rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); | |
11983 | if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) | |
11984 | rx_cons_sb++; | |
11985 | return (fp->rx_comp_cons != rx_cons_sb); | |
11986 | } | |
11987 | ||
11988 | /* | |
11989 | * net_device service functions | |
11990 | */ | |
11991 | ||
11992 | static int bnx2x_poll(struct napi_struct *napi, int budget) | |
11993 | { | |
11994 | int work_done = 0; | |
11995 | struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath, | |
11996 | napi); | |
11997 | struct bnx2x *bp = fp->bp; | |
11998 | ||
11999 | while (1) { | |
12000 | #ifdef BNX2X_STOP_ON_ERROR | |
12001 | if (unlikely(bp->panic)) { | |
12002 | napi_complete(napi); | |
12003 | return 0; | |
12004 | } | |
12005 | #endif | |
12006 | ||
12007 | if (bnx2x_has_tx_work(fp)) | |
12008 | bnx2x_tx_int(fp); | |
12009 | ||
12010 | if (bnx2x_has_rx_work(fp)) { | |
12011 | work_done += bnx2x_rx_int(fp, budget - work_done); | |
12012 | ||
12013 | /* must not complete if we consumed full budget */ | |
12014 | if (work_done >= budget) | |
12015 | break; | |
12016 | } | |
12017 | ||
12018 | /* Fall out from the NAPI loop if needed */ | |
12019 | if (!(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) { | |
12020 | bnx2x_update_fpsb_idx(fp); | |
12021 | /* bnx2x_has_rx_work() reads the status block, thus we need | |
12022 | * to ensure that status block indices have been actually read | |
12023 | * (bnx2x_update_fpsb_idx) prior to this check | |
12024 | * (bnx2x_has_rx_work) so that we won't write the "newer" | |
12025 | * value of the status block to IGU (if there was a DMA right | |
12026 | * after bnx2x_has_rx_work and if there is no rmb, the memory | |
12027 | * reading (bnx2x_update_fpsb_idx) may be postponed to right | |
12028 | * before bnx2x_ack_sb). In this case there will never be | |
12029 | * another interrupt until there is another update of the | |
12030 | * status block, while there is still unhandled work. | |
12031 | */ | |
12032 | rmb(); | |
12033 | ||
12034 | if (!(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) { | |
12035 | napi_complete(napi); | |
12036 | /* Re-enable interrupts */ | |
12037 | bnx2x_ack_sb(bp, fp->sb_id, CSTORM_ID, | |
12038 | le16_to_cpu(fp->fp_c_idx), | |
12039 | IGU_INT_NOP, 1); | |
12040 | bnx2x_ack_sb(bp, fp->sb_id, USTORM_ID, | |
12041 | le16_to_cpu(fp->fp_u_idx), | |
12042 | IGU_INT_ENABLE, 1); | |
12043 | break; | |
12044 | } | |
12045 | } | |
12046 | } | |
12047 | ||
12048 | return work_done; | |
12049 | } | |
12050 | ||
12051 | ||
12052 | /* we split the first BD into headers and data BDs | |
12053 | * to ease the pain of our fellow microcode engineers | |
12054 | * we use one mapping for both BDs | |
12055 | * So far this has only been observed to happen | |
12056 | * in Other Operating Systems(TM) | |
12057 | */ | |
12058 | static noinline u16 bnx2x_tx_split(struct bnx2x *bp, | |
12059 | struct bnx2x_fastpath *fp, | |
12060 | struct sw_tx_bd *tx_buf, | |
12061 | struct eth_tx_start_bd **tx_bd, u16 hlen, | |
12062 | u16 bd_prod, int nbd) | |
12063 | { | |
12064 | struct eth_tx_start_bd *h_tx_bd = *tx_bd; | |
12065 | struct eth_tx_bd *d_tx_bd; | |
12066 | dma_addr_t mapping; | |
12067 | int old_len = le16_to_cpu(h_tx_bd->nbytes); | |
12068 | ||
12069 | /* first fix first BD */ | |
12070 | h_tx_bd->nbd = cpu_to_le16(nbd); | |
12071 | h_tx_bd->nbytes = cpu_to_le16(hlen); | |
12072 | ||
12073 | DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d " | |
12074 | "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi, | |
12075 | h_tx_bd->addr_lo, h_tx_bd->nbd); | |
12076 | ||
12077 | /* now get a new data BD | |
12078 | * (after the pbd) and fill it */ | |
12079 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
12080 | d_tx_bd = &fp->tx_desc_ring[bd_prod].reg_bd; | |
12081 | ||
12082 | mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi), | |
12083 | le32_to_cpu(h_tx_bd->addr_lo)) + hlen; | |
12084 | ||
12085 | d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
12086 | d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
12087 | d_tx_bd->nbytes = cpu_to_le16(old_len - hlen); | |
12088 | ||
12089 | /* this marks the BD as one that has no individual mapping */ | |
12090 | tx_buf->flags |= BNX2X_TSO_SPLIT_BD; | |
12091 | ||
12092 | DP(NETIF_MSG_TX_QUEUED, | |
12093 | "TSO split data size is %d (%x:%x)\n", | |
12094 | d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo); | |
12095 | ||
12096 | /* update tx_bd */ | |
12097 | *tx_bd = (struct eth_tx_start_bd *)d_tx_bd; | |
12098 | ||
12099 | return bd_prod; | |
12100 | } | |
12101 | ||
12102 | static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix) | |
12103 | { | |
12104 | if (fix > 0) | |
12105 | csum = (u16) ~csum_fold(csum_sub(csum, | |
12106 | csum_partial(t_header - fix, fix, 0))); | |
12107 | ||
12108 | else if (fix < 0) | |
12109 | csum = (u16) ~csum_fold(csum_add(csum, | |
12110 | csum_partial(t_header, -fix, 0))); | |
12111 | ||
12112 | return swab16(csum); | |
12113 | } | |
12114 | ||
12115 | static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb) | |
12116 | { | |
12117 | u32 rc; | |
12118 | ||
12119 | if (skb->ip_summed != CHECKSUM_PARTIAL) | |
12120 | rc = XMIT_PLAIN; | |
12121 | ||
12122 | else { | |
12123 | if (skb->protocol == htons(ETH_P_IPV6)) { | |
12124 | rc = XMIT_CSUM_V6; | |
12125 | if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) | |
12126 | rc |= XMIT_CSUM_TCP; | |
12127 | ||
12128 | } else { | |
12129 | rc = XMIT_CSUM_V4; | |
12130 | if (ip_hdr(skb)->protocol == IPPROTO_TCP) | |
12131 | rc |= XMIT_CSUM_TCP; | |
12132 | } | |
12133 | } | |
12134 | ||
12135 | if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4) | |
12136 | rc |= (XMIT_GSO_V4 | XMIT_CSUM_V4 | XMIT_CSUM_TCP); | |
12137 | ||
12138 | else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) | |
12139 | rc |= (XMIT_GSO_V6 | XMIT_CSUM_TCP | XMIT_CSUM_V6); | |
12140 | ||
12141 | return rc; | |
12142 | } | |
12143 | ||
12144 | #if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3) | |
12145 | /* check if packet requires linearization (packet is too fragmented) | |
12146 | no need to check fragmentation if page size > 8K (there will be no | |
12147 | violation to FW restrictions) */ | |
12148 | static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb, | |
12149 | u32 xmit_type) | |
12150 | { | |
12151 | int to_copy = 0; | |
12152 | int hlen = 0; | |
12153 | int first_bd_sz = 0; | |
12154 | ||
12155 | /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */ | |
12156 | if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) { | |
12157 | ||
12158 | if (xmit_type & XMIT_GSO) { | |
12159 | unsigned short lso_mss = skb_shinfo(skb)->gso_size; | |
12160 | /* Check if LSO packet needs to be copied: | |
12161 | 3 = 1 (for headers BD) + 2 (for PBD and last BD) */ | |
12162 | int wnd_size = MAX_FETCH_BD - 3; | |
12163 | /* Number of windows to check */ | |
12164 | int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size; | |
12165 | int wnd_idx = 0; | |
12166 | int frag_idx = 0; | |
12167 | u32 wnd_sum = 0; | |
12168 | ||
12169 | /* Headers length */ | |
12170 | hlen = (int)(skb_transport_header(skb) - skb->data) + | |
12171 | tcp_hdrlen(skb); | |
12172 | ||
12173 | /* Amount of data (w/o headers) on linear part of SKB*/ | |
12174 | first_bd_sz = skb_headlen(skb) - hlen; | |
12175 | ||
12176 | wnd_sum = first_bd_sz; | |
12177 | ||
12178 | /* Calculate the first sum - it's special */ | |
12179 | for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++) | |
12180 | wnd_sum += | |
12181 | skb_shinfo(skb)->frags[frag_idx].size; | |
12182 | ||
12183 | /* If there was data on linear skb data - check it */ | |
12184 | if (first_bd_sz > 0) { | |
12185 | if (unlikely(wnd_sum < lso_mss)) { | |
12186 | to_copy = 1; | |
12187 | goto exit_lbl; | |
12188 | } | |
12189 | ||
12190 | wnd_sum -= first_bd_sz; | |
12191 | } | |
12192 | ||
12193 | /* Others are easier: run through the frag list and | |
12194 | check all windows */ | |
12195 | for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) { | |
12196 | wnd_sum += | |
12197 | skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size; | |
12198 | ||
12199 | if (unlikely(wnd_sum < lso_mss)) { | |
12200 | to_copy = 1; | |
12201 | break; | |
12202 | } | |
12203 | wnd_sum -= | |
12204 | skb_shinfo(skb)->frags[wnd_idx].size; | |
12205 | } | |
12206 | } else { | |
12207 | /* in non-LSO too fragmented packet should always | |
12208 | be linearized */ | |
12209 | to_copy = 1; | |
12210 | } | |
12211 | } | |
12212 | ||
12213 | exit_lbl: | |
12214 | if (unlikely(to_copy)) | |
12215 | DP(NETIF_MSG_TX_QUEUED, | |
12216 | "Linearization IS REQUIRED for %s packet. " | |
12217 | "num_frags %d hlen %d first_bd_sz %d\n", | |
12218 | (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO", | |
12219 | skb_shinfo(skb)->nr_frags, hlen, first_bd_sz); | |
12220 | ||
12221 | return to_copy; | |
12222 | } | |
12223 | #endif | |
12224 | ||
12225 | /* called with netif_tx_lock | |
12226 | * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call | |
12227 | * netif_wake_queue() | |
12228 | */ | |
12229 | static netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
12230 | { | |
12231 | struct bnx2x *bp = netdev_priv(dev); | |
12232 | struct bnx2x_fastpath *fp; | |
12233 | struct netdev_queue *txq; | |
12234 | struct sw_tx_bd *tx_buf; | |
12235 | struct eth_tx_start_bd *tx_start_bd; | |
12236 | struct eth_tx_bd *tx_data_bd, *total_pkt_bd = NULL; | |
12237 | struct eth_tx_parse_bd *pbd = NULL; | |
12238 | u16 pkt_prod, bd_prod; | |
12239 | int nbd, fp_index; | |
12240 | dma_addr_t mapping; | |
12241 | u32 xmit_type = bnx2x_xmit_type(bp, skb); | |
12242 | int i; | |
12243 | u8 hlen = 0; | |
12244 | __le16 pkt_size = 0; | |
12245 | struct ethhdr *eth; | |
12246 | u8 mac_type = UNICAST_ADDRESS; | |
12247 | ||
12248 | #ifdef BNX2X_STOP_ON_ERROR | |
12249 | if (unlikely(bp->panic)) | |
12250 | return NETDEV_TX_BUSY; | |
12251 | #endif | |
12252 | ||
12253 | fp_index = skb_get_queue_mapping(skb); | |
12254 | txq = netdev_get_tx_queue(dev, fp_index); | |
12255 | ||
12256 | fp = &bp->fp[fp_index]; | |
12257 | ||
12258 | if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) { | |
12259 | fp->eth_q_stats.driver_xoff++; | |
12260 | netif_tx_stop_queue(txq); | |
12261 | BNX2X_ERR("BUG! Tx ring full when queue awake!\n"); | |
12262 | return NETDEV_TX_BUSY; | |
12263 | } | |
12264 | ||
12265 | DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)" | |
12266 | " gso type %x xmit_type %x\n", | |
12267 | skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr, | |
12268 | ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type); | |
12269 | ||
12270 | eth = (struct ethhdr *)skb->data; | |
12271 | ||
12272 | /* set flag according to packet type (UNICAST_ADDRESS is default)*/ | |
12273 | if (unlikely(is_multicast_ether_addr(eth->h_dest))) { | |
12274 | if (is_broadcast_ether_addr(eth->h_dest)) | |
12275 | mac_type = BROADCAST_ADDRESS; | |
12276 | else | |
12277 | mac_type = MULTICAST_ADDRESS; | |
12278 | } | |
12279 | ||
12280 | #if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3) | |
12281 | /* First, check if we need to linearize the skb (due to FW | |
12282 | restrictions). No need to check fragmentation if page size > 8K | |
12283 | (there will be no violation to FW restrictions) */ | |
12284 | if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) { | |
12285 | /* Statistics of linearization */ | |
12286 | bp->lin_cnt++; | |
12287 | if (skb_linearize(skb) != 0) { | |
12288 | DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - " | |
12289 | "silently dropping this SKB\n"); | |
12290 | dev_kfree_skb_any(skb); | |
12291 | return NETDEV_TX_OK; | |
12292 | } | |
12293 | } | |
12294 | #endif | |
12295 | ||
12296 | /* | |
12297 | Please read carefully. First we use one BD which we mark as start, | |
12298 | then we have a parsing info BD (used for TSO or xsum), | |
12299 | and only then we have the rest of the TSO BDs. | |
12300 | (don't forget to mark the last one as last, | |
12301 | and to unmap only AFTER you write to the BD ...) | |
12302 | And above all, all pdb sizes are in words - NOT DWORDS! | |
12303 | */ | |
12304 | ||
12305 | pkt_prod = fp->tx_pkt_prod++; | |
12306 | bd_prod = TX_BD(fp->tx_bd_prod); | |
12307 | ||
12308 | /* get a tx_buf and first BD */ | |
12309 | tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; | |
12310 | tx_start_bd = &fp->tx_desc_ring[bd_prod].start_bd; | |
12311 | ||
12312 | tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; | |
12313 | tx_start_bd->general_data = (mac_type << | |
12314 | ETH_TX_START_BD_ETH_ADDR_TYPE_SHIFT); | |
12315 | /* header nbd */ | |
12316 | tx_start_bd->general_data |= (1 << ETH_TX_START_BD_HDR_NBDS_SHIFT); | |
12317 | ||
12318 | /* remember the first BD of the packet */ | |
12319 | tx_buf->first_bd = fp->tx_bd_prod; | |
12320 | tx_buf->skb = skb; | |
12321 | tx_buf->flags = 0; | |
12322 | ||
12323 | DP(NETIF_MSG_TX_QUEUED, | |
12324 | "sending pkt %u @%p next_idx %u bd %u @%p\n", | |
12325 | pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_start_bd); | |
12326 | ||
12327 | #ifdef BCM_VLAN | |
12328 | if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb) && | |
12329 | (bp->flags & HW_VLAN_TX_FLAG)) { | |
12330 | tx_start_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb)); | |
12331 | tx_start_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG; | |
12332 | } else | |
12333 | #endif | |
12334 | tx_start_bd->vlan = cpu_to_le16(pkt_prod); | |
12335 | ||
12336 | /* turn on parsing and get a BD */ | |
12337 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
12338 | pbd = &fp->tx_desc_ring[bd_prod].parse_bd; | |
12339 | ||
12340 | memset(pbd, 0, sizeof(struct eth_tx_parse_bd)); | |
12341 | ||
12342 | if (xmit_type & XMIT_CSUM) { | |
12343 | hlen = (skb_network_header(skb) - skb->data) / 2; | |
12344 | ||
12345 | /* for now NS flag is not used in Linux */ | |
12346 | pbd->global_data = | |
12347 | (hlen | ((skb->protocol == cpu_to_be16(ETH_P_8021Q)) << | |
12348 | ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT)); | |
12349 | ||
12350 | pbd->ip_hlen = (skb_transport_header(skb) - | |
12351 | skb_network_header(skb)) / 2; | |
12352 | ||
12353 | hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2; | |
12354 | ||
12355 | pbd->total_hlen = cpu_to_le16(hlen); | |
12356 | hlen = hlen*2; | |
12357 | ||
12358 | tx_start_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_L4_CSUM; | |
12359 | ||
12360 | if (xmit_type & XMIT_CSUM_V4) | |
12361 | tx_start_bd->bd_flags.as_bitfield |= | |
12362 | ETH_TX_BD_FLAGS_IP_CSUM; | |
12363 | else | |
12364 | tx_start_bd->bd_flags.as_bitfield |= | |
12365 | ETH_TX_BD_FLAGS_IPV6; | |
12366 | ||
12367 | if (xmit_type & XMIT_CSUM_TCP) { | |
12368 | pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check); | |
12369 | ||
12370 | } else { | |
12371 | s8 fix = SKB_CS_OFF(skb); /* signed! */ | |
12372 | ||
12373 | pbd->global_data |= ETH_TX_PARSE_BD_UDP_CS_FLG; | |
12374 | ||
12375 | DP(NETIF_MSG_TX_QUEUED, | |
12376 | "hlen %d fix %d csum before fix %x\n", | |
12377 | le16_to_cpu(pbd->total_hlen), fix, SKB_CS(skb)); | |
12378 | ||
12379 | /* HW bug: fixup the CSUM */ | |
12380 | pbd->tcp_pseudo_csum = | |
12381 | bnx2x_csum_fix(skb_transport_header(skb), | |
12382 | SKB_CS(skb), fix); | |
12383 | ||
12384 | DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n", | |
12385 | pbd->tcp_pseudo_csum); | |
12386 | } | |
12387 | } | |
12388 | ||
12389 | mapping = dma_map_single(&bp->pdev->dev, skb->data, | |
12390 | skb_headlen(skb), DMA_TO_DEVICE); | |
12391 | ||
12392 | tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
12393 | tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
12394 | nbd = skb_shinfo(skb)->nr_frags + 2; /* start_bd + pbd + frags */ | |
12395 | tx_start_bd->nbd = cpu_to_le16(nbd); | |
12396 | tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb)); | |
12397 | pkt_size = tx_start_bd->nbytes; | |
12398 | ||
12399 | DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d" | |
12400 | " nbytes %d flags %x vlan %x\n", | |
12401 | tx_start_bd, tx_start_bd->addr_hi, tx_start_bd->addr_lo, | |
12402 | le16_to_cpu(tx_start_bd->nbd), le16_to_cpu(tx_start_bd->nbytes), | |
12403 | tx_start_bd->bd_flags.as_bitfield, le16_to_cpu(tx_start_bd->vlan)); | |
12404 | ||
12405 | if (xmit_type & XMIT_GSO) { | |
12406 | ||
12407 | DP(NETIF_MSG_TX_QUEUED, | |
12408 | "TSO packet len %d hlen %d total len %d tso size %d\n", | |
12409 | skb->len, hlen, skb_headlen(skb), | |
12410 | skb_shinfo(skb)->gso_size); | |
12411 | ||
12412 | tx_start_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO; | |
12413 | ||
12414 | if (unlikely(skb_headlen(skb) > hlen)) | |
12415 | bd_prod = bnx2x_tx_split(bp, fp, tx_buf, &tx_start_bd, | |
12416 | hlen, bd_prod, ++nbd); | |
12417 | ||
12418 | pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
12419 | pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq); | |
12420 | pbd->tcp_flags = pbd_tcp_flags(skb); | |
12421 | ||
12422 | if (xmit_type & XMIT_GSO_V4) { | |
12423 | pbd->ip_id = swab16(ip_hdr(skb)->id); | |
12424 | pbd->tcp_pseudo_csum = | |
12425 | swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr, | |
12426 | ip_hdr(skb)->daddr, | |
12427 | 0, IPPROTO_TCP, 0)); | |
12428 | ||
12429 | } else | |
12430 | pbd->tcp_pseudo_csum = | |
12431 | swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, | |
12432 | &ipv6_hdr(skb)->daddr, | |
12433 | 0, IPPROTO_TCP, 0)); | |
12434 | ||
12435 | pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN; | |
12436 | } | |
12437 | tx_data_bd = (struct eth_tx_bd *)tx_start_bd; | |
12438 | ||
12439 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { | |
12440 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
12441 | ||
12442 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
12443 | tx_data_bd = &fp->tx_desc_ring[bd_prod].reg_bd; | |
12444 | if (total_pkt_bd == NULL) | |
12445 | total_pkt_bd = &fp->tx_desc_ring[bd_prod].reg_bd; | |
12446 | ||
12447 | mapping = dma_map_page(&bp->pdev->dev, frag->page, | |
12448 | frag->page_offset, | |
12449 | frag->size, DMA_TO_DEVICE); | |
12450 | ||
12451 | tx_data_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
12452 | tx_data_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
12453 | tx_data_bd->nbytes = cpu_to_le16(frag->size); | |
12454 | le16_add_cpu(&pkt_size, frag->size); | |
12455 | ||
12456 | DP(NETIF_MSG_TX_QUEUED, | |
12457 | "frag %d bd @%p addr (%x:%x) nbytes %d\n", | |
12458 | i, tx_data_bd, tx_data_bd->addr_hi, tx_data_bd->addr_lo, | |
12459 | le16_to_cpu(tx_data_bd->nbytes)); | |
12460 | } | |
12461 | ||
12462 | DP(NETIF_MSG_TX_QUEUED, "last bd @%p\n", tx_data_bd); | |
12463 | ||
12464 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
12465 | ||
12466 | /* now send a tx doorbell, counting the next BD | |
12467 | * if the packet contains or ends with it | |
12468 | */ | |
12469 | if (TX_BD_POFF(bd_prod) < nbd) | |
12470 | nbd++; | |
12471 | ||
12472 | if (total_pkt_bd != NULL) | |
12473 | total_pkt_bd->total_pkt_bytes = pkt_size; | |
12474 | ||
12475 | if (pbd) | |
12476 | DP(NETIF_MSG_TX_QUEUED, | |
12477 | "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u" | |
12478 | " tcp_flags %x xsum %x seq %u hlen %u\n", | |
12479 | pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id, | |
12480 | pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum, | |
12481 | pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen)); | |
12482 | ||
12483 | DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod); | |
12484 | ||
12485 | /* | |
12486 | * Make sure that the BD data is updated before updating the producer | |
12487 | * since FW might read the BD right after the producer is updated. | |
12488 | * This is only applicable for weak-ordered memory model archs such | |
12489 | * as IA-64. The following barrier is also mandatory since FW will | |
12490 | * assumes packets must have BDs. | |
12491 | */ | |
12492 | wmb(); | |
12493 | ||
12494 | fp->tx_db.data.prod += nbd; | |
12495 | barrier(); | |
12496 | DOORBELL(bp, fp->index, fp->tx_db.raw); | |
12497 | ||
12498 | mmiowb(); | |
12499 | ||
12500 | fp->tx_bd_prod += nbd; | |
12501 | ||
12502 | if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) { | |
12503 | netif_tx_stop_queue(txq); | |
12504 | ||
12505 | /* paired memory barrier is in bnx2x_tx_int(), we have to keep | |
12506 | * ordering of set_bit() in netif_tx_stop_queue() and read of | |
12507 | * fp->bd_tx_cons */ | |
12508 | smp_mb(); | |
12509 | ||
12510 | fp->eth_q_stats.driver_xoff++; | |
12511 | if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3) | |
12512 | netif_tx_wake_queue(txq); | |
12513 | } | |
12514 | fp->tx_pkt++; | |
12515 | ||
12516 | return NETDEV_TX_OK; | |
12517 | } | |
12518 | ||
12519 | /* called with rtnl_lock */ | |
12520 | static int bnx2x_open(struct net_device *dev) | |
12521 | { | |
12522 | struct bnx2x *bp = netdev_priv(dev); | |
12523 | ||
12524 | netif_carrier_off(dev); | |
12525 | ||
12526 | bnx2x_set_power_state(bp, PCI_D0); | |
12527 | ||
12528 | if (!bnx2x_reset_is_done(bp)) { | |
12529 | do { | |
12530 | /* Reset MCP mail box sequence if there is on going | |
12531 | * recovery | |
12532 | */ | |
12533 | bp->fw_seq = 0; | |
12534 | ||
12535 | /* If it's the first function to load and reset done | |
12536 | * is still not cleared it may mean that. We don't | |
12537 | * check the attention state here because it may have | |
12538 | * already been cleared by a "common" reset but we | |
12539 | * shell proceed with "process kill" anyway. | |
12540 | */ | |
12541 | if ((bnx2x_get_load_cnt(bp) == 0) && | |
12542 | bnx2x_trylock_hw_lock(bp, | |
12543 | HW_LOCK_RESOURCE_RESERVED_08) && | |
12544 | (!bnx2x_leader_reset(bp))) { | |
12545 | DP(NETIF_MSG_HW, "Recovered in open\n"); | |
12546 | break; | |
12547 | } | |
12548 | ||
12549 | bnx2x_set_power_state(bp, PCI_D3hot); | |
12550 | ||
12551 | printk(KERN_ERR"%s: Recovery flow hasn't been properly" | |
12552 | " completed yet. Try again later. If u still see this" | |
12553 | " message after a few retries then power cycle is" | |
12554 | " required.\n", bp->dev->name); | |
12555 | ||
12556 | return -EAGAIN; | |
12557 | } while (0); | |
12558 | } | |
12559 | ||
12560 | bp->recovery_state = BNX2X_RECOVERY_DONE; | |
12561 | ||
12562 | return bnx2x_nic_load(bp, LOAD_OPEN); | |
12563 | } | |
12564 | ||
12565 | /* called with rtnl_lock */ | |
12566 | static int bnx2x_close(struct net_device *dev) | |
12567 | { | |
12568 | struct bnx2x *bp = netdev_priv(dev); | |
12569 | ||
12570 | /* Unload the driver, release IRQs */ | |
12571 | bnx2x_nic_unload(bp, UNLOAD_CLOSE); | |
12572 | bnx2x_set_power_state(bp, PCI_D3hot); | |
12573 | ||
12574 | return 0; | |
12575 | } | |
12576 | ||
12577 | /* called with netif_tx_lock from dev_mcast.c */ | |
12578 | static void bnx2x_set_rx_mode(struct net_device *dev) | |
12579 | { | |
12580 | struct bnx2x *bp = netdev_priv(dev); | |
12581 | u32 rx_mode = BNX2X_RX_MODE_NORMAL; | |
12582 | int port = BP_PORT(bp); | |
12583 | ||
12584 | if (bp->state != BNX2X_STATE_OPEN) { | |
12585 | DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); | |
12586 | return; | |
12587 | } | |
12588 | ||
12589 | DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); | |
12590 | ||
12591 | if (dev->flags & IFF_PROMISC) | |
12592 | rx_mode = BNX2X_RX_MODE_PROMISC; | |
12593 | ||
12594 | else if ((dev->flags & IFF_ALLMULTI) || | |
12595 | ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) && | |
12596 | CHIP_IS_E1(bp))) | |
12597 | rx_mode = BNX2X_RX_MODE_ALLMULTI; | |
12598 | ||
12599 | else { /* some multicasts */ | |
12600 | if (CHIP_IS_E1(bp)) { | |
12601 | int i, old, offset; | |
12602 | struct netdev_hw_addr *ha; | |
12603 | struct mac_configuration_cmd *config = | |
12604 | bnx2x_sp(bp, mcast_config); | |
12605 | ||
12606 | i = 0; | |
12607 | netdev_for_each_mc_addr(ha, dev) { | |
12608 | config->config_table[i]. | |
12609 | cam_entry.msb_mac_addr = | |
12610 | swab16(*(u16 *)&ha->addr[0]); | |
12611 | config->config_table[i]. | |
12612 | cam_entry.middle_mac_addr = | |
12613 | swab16(*(u16 *)&ha->addr[2]); | |
12614 | config->config_table[i]. | |
12615 | cam_entry.lsb_mac_addr = | |
12616 | swab16(*(u16 *)&ha->addr[4]); | |
12617 | config->config_table[i].cam_entry.flags = | |
12618 | cpu_to_le16(port); | |
12619 | config->config_table[i]. | |
12620 | target_table_entry.flags = 0; | |
12621 | config->config_table[i].target_table_entry. | |
12622 | clients_bit_vector = | |
12623 | cpu_to_le32(1 << BP_L_ID(bp)); | |
12624 | config->config_table[i]. | |
12625 | target_table_entry.vlan_id = 0; | |
12626 | ||
12627 | DP(NETIF_MSG_IFUP, | |
12628 | "setting MCAST[%d] (%04x:%04x:%04x)\n", i, | |
12629 | config->config_table[i]. | |
12630 | cam_entry.msb_mac_addr, | |
12631 | config->config_table[i]. | |
12632 | cam_entry.middle_mac_addr, | |
12633 | config->config_table[i]. | |
12634 | cam_entry.lsb_mac_addr); | |
12635 | i++; | |
12636 | } | |
12637 | old = config->hdr.length; | |
12638 | if (old > i) { | |
12639 | for (; i < old; i++) { | |
12640 | if (CAM_IS_INVALID(config-> | |
12641 | config_table[i])) { | |
12642 | /* already invalidated */ | |
12643 | break; | |
12644 | } | |
12645 | /* invalidate */ | |
12646 | CAM_INVALIDATE(config-> | |
12647 | config_table[i]); | |
12648 | } | |
12649 | } | |
12650 | ||
12651 | if (CHIP_REV_IS_SLOW(bp)) | |
12652 | offset = BNX2X_MAX_EMUL_MULTI*(1 + port); | |
12653 | else | |
12654 | offset = BNX2X_MAX_MULTICAST*(1 + port); | |
12655 | ||
12656 | config->hdr.length = i; | |
12657 | config->hdr.offset = offset; | |
12658 | config->hdr.client_id = bp->fp->cl_id; | |
12659 | config->hdr.reserved1 = 0; | |
12660 | ||
12661 | bp->set_mac_pending++; | |
12662 | smp_wmb(); | |
12663 | ||
12664 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
12665 | U64_HI(bnx2x_sp_mapping(bp, mcast_config)), | |
12666 | U64_LO(bnx2x_sp_mapping(bp, mcast_config)), | |
12667 | 0); | |
12668 | } else { /* E1H */ | |
12669 | /* Accept one or more multicasts */ | |
12670 | struct netdev_hw_addr *ha; | |
12671 | u32 mc_filter[MC_HASH_SIZE]; | |
12672 | u32 crc, bit, regidx; | |
12673 | int i; | |
12674 | ||
12675 | memset(mc_filter, 0, 4 * MC_HASH_SIZE); | |
12676 | ||
12677 | netdev_for_each_mc_addr(ha, dev) { | |
12678 | DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", | |
12679 | ha->addr); | |
12680 | ||
12681 | crc = crc32c_le(0, ha->addr, ETH_ALEN); | |
12682 | bit = (crc >> 24) & 0xff; | |
12683 | regidx = bit >> 5; | |
12684 | bit &= 0x1f; | |
12685 | mc_filter[regidx] |= (1 << bit); | |
12686 | } | |
12687 | ||
12688 | for (i = 0; i < MC_HASH_SIZE; i++) | |
12689 | REG_WR(bp, MC_HASH_OFFSET(bp, i), | |
12690 | mc_filter[i]); | |
12691 | } | |
12692 | } | |
12693 | ||
12694 | bp->rx_mode = rx_mode; | |
12695 | bnx2x_set_storm_rx_mode(bp); | |
12696 | } | |
12697 | ||
12698 | /* called with rtnl_lock */ | |
12699 | static int bnx2x_change_mac_addr(struct net_device *dev, void *p) | |
12700 | { | |
12701 | struct sockaddr *addr = p; | |
12702 | struct bnx2x *bp = netdev_priv(dev); | |
12703 | ||
12704 | if (!is_valid_ether_addr((u8 *)(addr->sa_data))) | |
12705 | return -EINVAL; | |
12706 | ||
12707 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
12708 | if (netif_running(dev)) { | |
12709 | if (CHIP_IS_E1(bp)) | |
12710 | bnx2x_set_eth_mac_addr_e1(bp, 1); | |
12711 | else | |
12712 | bnx2x_set_eth_mac_addr_e1h(bp, 1); | |
12713 | } | |
12714 | ||
12715 | return 0; | |
12716 | } | |
12717 | ||
12718 | /* called with rtnl_lock */ | |
12719 | static int bnx2x_mdio_read(struct net_device *netdev, int prtad, | |
12720 | int devad, u16 addr) | |
12721 | { | |
12722 | struct bnx2x *bp = netdev_priv(netdev); | |
12723 | u16 value; | |
12724 | int rc; | |
12725 | u32 phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
12726 | ||
12727 | DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n", | |
12728 | prtad, devad, addr); | |
12729 | ||
12730 | if (prtad != bp->mdio.prtad) { | |
12731 | DP(NETIF_MSG_LINK, "prtad missmatch (cmd:0x%x != bp:0x%x)\n", | |
12732 | prtad, bp->mdio.prtad); | |
12733 | return -EINVAL; | |
12734 | } | |
12735 | ||
12736 | /* The HW expects different devad if CL22 is used */ | |
12737 | devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad; | |
12738 | ||
12739 | bnx2x_acquire_phy_lock(bp); | |
12740 | rc = bnx2x_cl45_read(bp, BP_PORT(bp), phy_type, prtad, | |
12741 | devad, addr, &value); | |
12742 | bnx2x_release_phy_lock(bp); | |
12743 | DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc); | |
12744 | ||
12745 | if (!rc) | |
12746 | rc = value; | |
12747 | return rc; | |
12748 | } | |
12749 | ||
12750 | /* called with rtnl_lock */ | |
12751 | static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad, | |
12752 | u16 addr, u16 value) | |
12753 | { | |
12754 | struct bnx2x *bp = netdev_priv(netdev); | |
12755 | u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
12756 | int rc; | |
12757 | ||
12758 | DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x," | |
12759 | " value 0x%x\n", prtad, devad, addr, value); | |
12760 | ||
12761 | if (prtad != bp->mdio.prtad) { | |
12762 | DP(NETIF_MSG_LINK, "prtad missmatch (cmd:0x%x != bp:0x%x)\n", | |
12763 | prtad, bp->mdio.prtad); | |
12764 | return -EINVAL; | |
12765 | } | |
12766 | ||
12767 | /* The HW expects different devad if CL22 is used */ | |
12768 | devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad; | |
12769 | ||
12770 | bnx2x_acquire_phy_lock(bp); | |
12771 | rc = bnx2x_cl45_write(bp, BP_PORT(bp), ext_phy_type, prtad, | |
12772 | devad, addr, value); | |
12773 | bnx2x_release_phy_lock(bp); | |
12774 | return rc; | |
12775 | } | |
12776 | ||
12777 | /* called with rtnl_lock */ | |
12778 | static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) | |
12779 | { | |
12780 | struct bnx2x *bp = netdev_priv(dev); | |
12781 | struct mii_ioctl_data *mdio = if_mii(ifr); | |
12782 | ||
12783 | DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n", | |
12784 | mdio->phy_id, mdio->reg_num, mdio->val_in); | |
12785 | ||
12786 | if (!netif_running(dev)) | |
12787 | return -EAGAIN; | |
12788 | ||
12789 | return mdio_mii_ioctl(&bp->mdio, mdio, cmd); | |
12790 | } | |
12791 | ||
12792 | /* called with rtnl_lock */ | |
12793 | static int bnx2x_change_mtu(struct net_device *dev, int new_mtu) | |
12794 | { | |
12795 | struct bnx2x *bp = netdev_priv(dev); | |
12796 | int rc = 0; | |
12797 | ||
12798 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { | |
12799 | printk(KERN_ERR "Handling parity error recovery. Try again later\n"); | |
12800 | return -EAGAIN; | |
12801 | } | |
12802 | ||
12803 | if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) || | |
12804 | ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE)) | |
12805 | return -EINVAL; | |
12806 | ||
12807 | /* This does not race with packet allocation | |
12808 | * because the actual alloc size is | |
12809 | * only updated as part of load | |
12810 | */ | |
12811 | dev->mtu = new_mtu; | |
12812 | ||
12813 | if (netif_running(dev)) { | |
12814 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
12815 | rc = bnx2x_nic_load(bp, LOAD_NORMAL); | |
12816 | } | |
12817 | ||
12818 | return rc; | |
12819 | } | |
12820 | ||
12821 | static void bnx2x_tx_timeout(struct net_device *dev) | |
12822 | { | |
12823 | struct bnx2x *bp = netdev_priv(dev); | |
12824 | ||
12825 | #ifdef BNX2X_STOP_ON_ERROR | |
12826 | if (!bp->panic) | |
12827 | bnx2x_panic(); | |
12828 | #endif | |
12829 | /* This allows the netif to be shutdown gracefully before resetting */ | |
12830 | schedule_delayed_work(&bp->reset_task, 0); | |
12831 | } | |
12832 | ||
12833 | #ifdef BCM_VLAN | |
12834 | /* called with rtnl_lock */ | |
12835 | static void bnx2x_vlan_rx_register(struct net_device *dev, | |
12836 | struct vlan_group *vlgrp) | |
12837 | { | |
12838 | struct bnx2x *bp = netdev_priv(dev); | |
12839 | ||
12840 | bp->vlgrp = vlgrp; | |
12841 | ||
12842 | /* Set flags according to the required capabilities */ | |
12843 | bp->flags &= ~(HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG); | |
12844 | ||
12845 | if (dev->features & NETIF_F_HW_VLAN_TX) | |
12846 | bp->flags |= HW_VLAN_TX_FLAG; | |
12847 | ||
12848 | if (dev->features & NETIF_F_HW_VLAN_RX) | |
12849 | bp->flags |= HW_VLAN_RX_FLAG; | |
12850 | ||
12851 | if (netif_running(dev)) | |
12852 | bnx2x_set_client_config(bp); | |
12853 | } | |
12854 | ||
12855 | #endif | |
12856 | ||
12857 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
12858 | static void poll_bnx2x(struct net_device *dev) | |
12859 | { | |
12860 | struct bnx2x *bp = netdev_priv(dev); | |
12861 | ||
12862 | disable_irq(bp->pdev->irq); | |
12863 | bnx2x_interrupt(bp->pdev->irq, dev); | |
12864 | enable_irq(bp->pdev->irq); | |
12865 | } | |
12866 | #endif | |
12867 | ||
12868 | static const struct net_device_ops bnx2x_netdev_ops = { | |
12869 | .ndo_open = bnx2x_open, | |
12870 | .ndo_stop = bnx2x_close, | |
12871 | .ndo_start_xmit = bnx2x_start_xmit, | |
12872 | .ndo_set_multicast_list = bnx2x_set_rx_mode, | |
12873 | .ndo_set_mac_address = bnx2x_change_mac_addr, | |
12874 | .ndo_validate_addr = eth_validate_addr, | |
12875 | .ndo_do_ioctl = bnx2x_ioctl, | |
12876 | .ndo_change_mtu = bnx2x_change_mtu, | |
12877 | .ndo_tx_timeout = bnx2x_tx_timeout, | |
12878 | #ifdef BCM_VLAN | |
12879 | .ndo_vlan_rx_register = bnx2x_vlan_rx_register, | |
12880 | #endif | |
12881 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
12882 | .ndo_poll_controller = poll_bnx2x, | |
12883 | #endif | |
12884 | }; | |
12885 | ||
12886 | static int __devinit bnx2x_init_dev(struct pci_dev *pdev, | |
12887 | struct net_device *dev) | |
12888 | { | |
12889 | struct bnx2x *bp; | |
12890 | int rc; | |
12891 | ||
12892 | SET_NETDEV_DEV(dev, &pdev->dev); | |
12893 | bp = netdev_priv(dev); | |
12894 | ||
12895 | bp->dev = dev; | |
12896 | bp->pdev = pdev; | |
12897 | bp->flags = 0; | |
12898 | bp->func = PCI_FUNC(pdev->devfn); | |
12899 | ||
12900 | rc = pci_enable_device(pdev); | |
12901 | if (rc) { | |
12902 | dev_err(&bp->pdev->dev, | |
12903 | "Cannot enable PCI device, aborting\n"); | |
12904 | goto err_out; | |
12905 | } | |
12906 | ||
12907 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
12908 | dev_err(&bp->pdev->dev, | |
12909 | "Cannot find PCI device base address, aborting\n"); | |
12910 | rc = -ENODEV; | |
12911 | goto err_out_disable; | |
12912 | } | |
12913 | ||
12914 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
12915 | dev_err(&bp->pdev->dev, "Cannot find second PCI device" | |
12916 | " base address, aborting\n"); | |
12917 | rc = -ENODEV; | |
12918 | goto err_out_disable; | |
12919 | } | |
12920 | ||
12921 | if (atomic_read(&pdev->enable_cnt) == 1) { | |
12922 | rc = pci_request_regions(pdev, DRV_MODULE_NAME); | |
12923 | if (rc) { | |
12924 | dev_err(&bp->pdev->dev, | |
12925 | "Cannot obtain PCI resources, aborting\n"); | |
12926 | goto err_out_disable; | |
12927 | } | |
12928 | ||
12929 | pci_set_master(pdev); | |
12930 | pci_save_state(pdev); | |
12931 | } | |
12932 | ||
12933 | bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); | |
12934 | if (bp->pm_cap == 0) { | |
12935 | dev_err(&bp->pdev->dev, | |
12936 | "Cannot find power management capability, aborting\n"); | |
12937 | rc = -EIO; | |
12938 | goto err_out_release; | |
12939 | } | |
12940 | ||
12941 | bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); | |
12942 | if (bp->pcie_cap == 0) { | |
12943 | dev_err(&bp->pdev->dev, | |
12944 | "Cannot find PCI Express capability, aborting\n"); | |
12945 | rc = -EIO; | |
12946 | goto err_out_release; | |
12947 | } | |
12948 | ||
12949 | if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) { | |
12950 | bp->flags |= USING_DAC_FLAG; | |
12951 | if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) { | |
12952 | dev_err(&bp->pdev->dev, "dma_set_coherent_mask" | |
12953 | " failed, aborting\n"); | |
12954 | rc = -EIO; | |
12955 | goto err_out_release; | |
12956 | } | |
12957 | ||
12958 | } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) { | |
12959 | dev_err(&bp->pdev->dev, | |
12960 | "System does not support DMA, aborting\n"); | |
12961 | rc = -EIO; | |
12962 | goto err_out_release; | |
12963 | } | |
12964 | ||
12965 | dev->mem_start = pci_resource_start(pdev, 0); | |
12966 | dev->base_addr = dev->mem_start; | |
12967 | dev->mem_end = pci_resource_end(pdev, 0); | |
12968 | ||
12969 | dev->irq = pdev->irq; | |
12970 | ||
12971 | bp->regview = pci_ioremap_bar(pdev, 0); | |
12972 | if (!bp->regview) { | |
12973 | dev_err(&bp->pdev->dev, | |
12974 | "Cannot map register space, aborting\n"); | |
12975 | rc = -ENOMEM; | |
12976 | goto err_out_release; | |
12977 | } | |
12978 | ||
12979 | bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2), | |
12980 | min_t(u64, BNX2X_DB_SIZE, | |
12981 | pci_resource_len(pdev, 2))); | |
12982 | if (!bp->doorbells) { | |
12983 | dev_err(&bp->pdev->dev, | |
12984 | "Cannot map doorbell space, aborting\n"); | |
12985 | rc = -ENOMEM; | |
12986 | goto err_out_unmap; | |
12987 | } | |
12988 | ||
12989 | bnx2x_set_power_state(bp, PCI_D0); | |
12990 | ||
12991 | /* clean indirect addresses */ | |
12992 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, | |
12993 | PCICFG_VENDOR_ID_OFFSET); | |
12994 | REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0); | |
12995 | REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0); | |
12996 | REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0); | |
12997 | REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0); | |
12998 | ||
12999 | /* Reset the load counter */ | |
13000 | bnx2x_clear_load_cnt(bp); | |
13001 | ||
13002 | dev->watchdog_timeo = TX_TIMEOUT; | |
13003 | ||
13004 | dev->netdev_ops = &bnx2x_netdev_ops; | |
13005 | dev->ethtool_ops = &bnx2x_ethtool_ops; | |
13006 | dev->features |= NETIF_F_SG; | |
13007 | dev->features |= NETIF_F_HW_CSUM; | |
13008 | if (bp->flags & USING_DAC_FLAG) | |
13009 | dev->features |= NETIF_F_HIGHDMA; | |
13010 | dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); | |
13011 | dev->features |= NETIF_F_TSO6; | |
13012 | #ifdef BCM_VLAN | |
13013 | dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); | |
13014 | bp->flags |= (HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG); | |
13015 | ||
13016 | dev->vlan_features |= NETIF_F_SG; | |
13017 | dev->vlan_features |= NETIF_F_HW_CSUM; | |
13018 | if (bp->flags & USING_DAC_FLAG) | |
13019 | dev->vlan_features |= NETIF_F_HIGHDMA; | |
13020 | dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); | |
13021 | dev->vlan_features |= NETIF_F_TSO6; | |
13022 | #endif | |
13023 | ||
13024 | /* get_port_hwinfo() will set prtad and mmds properly */ | |
13025 | bp->mdio.prtad = MDIO_PRTAD_NONE; | |
13026 | bp->mdio.mmds = 0; | |
13027 | bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22; | |
13028 | bp->mdio.dev = dev; | |
13029 | bp->mdio.mdio_read = bnx2x_mdio_read; | |
13030 | bp->mdio.mdio_write = bnx2x_mdio_write; | |
13031 | ||
13032 | return 0; | |
13033 | ||
13034 | err_out_unmap: | |
13035 | if (bp->regview) { | |
13036 | iounmap(bp->regview); | |
13037 | bp->regview = NULL; | |
13038 | } | |
13039 | if (bp->doorbells) { | |
13040 | iounmap(bp->doorbells); | |
13041 | bp->doorbells = NULL; | |
13042 | } | |
13043 | ||
13044 | err_out_release: | |
13045 | if (atomic_read(&pdev->enable_cnt) == 1) | |
13046 | pci_release_regions(pdev); | |
13047 | ||
13048 | err_out_disable: | |
13049 | pci_disable_device(pdev); | |
13050 | pci_set_drvdata(pdev, NULL); | |
13051 | ||
13052 | err_out: | |
13053 | return rc; | |
13054 | } | |
13055 | ||
13056 | static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp, | |
13057 | int *width, int *speed) | |
13058 | { | |
13059 | u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); | |
13060 | ||
13061 | *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT; | |
13062 | ||
13063 | /* return value of 1=2.5GHz 2=5GHz */ | |
13064 | *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT; | |
13065 | } | |
13066 | ||
13067 | static int __devinit bnx2x_check_firmware(struct bnx2x *bp) | |
13068 | { | |
13069 | const struct firmware *firmware = bp->firmware; | |
13070 | struct bnx2x_fw_file_hdr *fw_hdr; | |
13071 | struct bnx2x_fw_file_section *sections; | |
13072 | u32 offset, len, num_ops; | |
13073 | u16 *ops_offsets; | |
13074 | int i; | |
13075 | const u8 *fw_ver; | |
13076 | ||
13077 | if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) | |
13078 | return -EINVAL; | |
13079 | ||
13080 | fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data; | |
13081 | sections = (struct bnx2x_fw_file_section *)fw_hdr; | |
13082 | ||
13083 | /* Make sure none of the offsets and sizes make us read beyond | |
13084 | * the end of the firmware data */ | |
13085 | for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) { | |
13086 | offset = be32_to_cpu(sections[i].offset); | |
13087 | len = be32_to_cpu(sections[i].len); | |
13088 | if (offset + len > firmware->size) { | |
13089 | dev_err(&bp->pdev->dev, | |
13090 | "Section %d length is out of bounds\n", i); | |
13091 | return -EINVAL; | |
13092 | } | |
13093 | } | |
13094 | ||
13095 | /* Likewise for the init_ops offsets */ | |
13096 | offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset); | |
13097 | ops_offsets = (u16 *)(firmware->data + offset); | |
13098 | num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op); | |
13099 | ||
13100 | for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) { | |
13101 | if (be16_to_cpu(ops_offsets[i]) > num_ops) { | |
13102 | dev_err(&bp->pdev->dev, | |
13103 | "Section offset %d is out of bounds\n", i); | |
13104 | return -EINVAL; | |
13105 | } | |
13106 | } | |
13107 | ||
13108 | /* Check FW version */ | |
13109 | offset = be32_to_cpu(fw_hdr->fw_version.offset); | |
13110 | fw_ver = firmware->data + offset; | |
13111 | if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) || | |
13112 | (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) || | |
13113 | (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) || | |
13114 | (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) { | |
13115 | dev_err(&bp->pdev->dev, | |
13116 | "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n", | |
13117 | fw_ver[0], fw_ver[1], fw_ver[2], | |
13118 | fw_ver[3], BCM_5710_FW_MAJOR_VERSION, | |
13119 | BCM_5710_FW_MINOR_VERSION, | |
13120 | BCM_5710_FW_REVISION_VERSION, | |
13121 | BCM_5710_FW_ENGINEERING_VERSION); | |
13122 | return -EINVAL; | |
13123 | } | |
13124 | ||
13125 | return 0; | |
13126 | } | |
13127 | ||
13128 | static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n) | |
13129 | { | |
13130 | const __be32 *source = (const __be32 *)_source; | |
13131 | u32 *target = (u32 *)_target; | |
13132 | u32 i; | |
13133 | ||
13134 | for (i = 0; i < n/4; i++) | |
13135 | target[i] = be32_to_cpu(source[i]); | |
13136 | } | |
13137 | ||
13138 | /* | |
13139 | Ops array is stored in the following format: | |
13140 | {op(8bit), offset(24bit, big endian), data(32bit, big endian)} | |
13141 | */ | |
13142 | static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n) | |
13143 | { | |
13144 | const __be32 *source = (const __be32 *)_source; | |
13145 | struct raw_op *target = (struct raw_op *)_target; | |
13146 | u32 i, j, tmp; | |
13147 | ||
13148 | for (i = 0, j = 0; i < n/8; i++, j += 2) { | |
13149 | tmp = be32_to_cpu(source[j]); | |
13150 | target[i].op = (tmp >> 24) & 0xff; | |
13151 | target[i].offset = tmp & 0xffffff; | |
13152 | target[i].raw_data = be32_to_cpu(source[j + 1]); | |
13153 | } | |
13154 | } | |
13155 | ||
13156 | static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n) | |
13157 | { | |
13158 | const __be16 *source = (const __be16 *)_source; | |
13159 | u16 *target = (u16 *)_target; | |
13160 | u32 i; | |
13161 | ||
13162 | for (i = 0; i < n/2; i++) | |
13163 | target[i] = be16_to_cpu(source[i]); | |
13164 | } | |
13165 | ||
13166 | #define BNX2X_ALLOC_AND_SET(arr, lbl, func) \ | |
13167 | do { \ | |
13168 | u32 len = be32_to_cpu(fw_hdr->arr.len); \ | |
13169 | bp->arr = kmalloc(len, GFP_KERNEL); \ | |
13170 | if (!bp->arr) { \ | |
13171 | pr_err("Failed to allocate %d bytes for "#arr"\n", len); \ | |
13172 | goto lbl; \ | |
13173 | } \ | |
13174 | func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \ | |
13175 | (u8 *)bp->arr, len); \ | |
13176 | } while (0) | |
13177 | ||
13178 | static int __devinit bnx2x_init_firmware(struct bnx2x *bp, struct device *dev) | |
13179 | { | |
13180 | const char *fw_file_name; | |
13181 | struct bnx2x_fw_file_hdr *fw_hdr; | |
13182 | int rc; | |
13183 | ||
13184 | if (CHIP_IS_E1(bp)) | |
13185 | fw_file_name = FW_FILE_NAME_E1; | |
13186 | else if (CHIP_IS_E1H(bp)) | |
13187 | fw_file_name = FW_FILE_NAME_E1H; | |
13188 | else { | |
13189 | dev_err(dev, "Unsupported chip revision\n"); | |
13190 | return -EINVAL; | |
13191 | } | |
13192 | ||
13193 | dev_info(dev, "Loading %s\n", fw_file_name); | |
13194 | ||
13195 | rc = request_firmware(&bp->firmware, fw_file_name, dev); | |
13196 | if (rc) { | |
13197 | dev_err(dev, "Can't load firmware file %s\n", fw_file_name); | |
13198 | goto request_firmware_exit; | |
13199 | } | |
13200 | ||
13201 | rc = bnx2x_check_firmware(bp); | |
13202 | if (rc) { | |
13203 | dev_err(dev, "Corrupt firmware file %s\n", fw_file_name); | |
13204 | goto request_firmware_exit; | |
13205 | } | |
13206 | ||
13207 | fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data; | |
13208 | ||
13209 | /* Initialize the pointers to the init arrays */ | |
13210 | /* Blob */ | |
13211 | BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n); | |
13212 | ||
13213 | /* Opcodes */ | |
13214 | BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops); | |
13215 | ||
13216 | /* Offsets */ | |
13217 | BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err, | |
13218 | be16_to_cpu_n); | |
13219 | ||
13220 | /* STORMs firmware */ | |
13221 | INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data + | |
13222 | be32_to_cpu(fw_hdr->tsem_int_table_data.offset); | |
13223 | INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data + | |
13224 | be32_to_cpu(fw_hdr->tsem_pram_data.offset); | |
13225 | INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data + | |
13226 | be32_to_cpu(fw_hdr->usem_int_table_data.offset); | |
13227 | INIT_USEM_PRAM_DATA(bp) = bp->firmware->data + | |
13228 | be32_to_cpu(fw_hdr->usem_pram_data.offset); | |
13229 | INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data + | |
13230 | be32_to_cpu(fw_hdr->xsem_int_table_data.offset); | |
13231 | INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data + | |
13232 | be32_to_cpu(fw_hdr->xsem_pram_data.offset); | |
13233 | INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data + | |
13234 | be32_to_cpu(fw_hdr->csem_int_table_data.offset); | |
13235 | INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data + | |
13236 | be32_to_cpu(fw_hdr->csem_pram_data.offset); | |
13237 | ||
13238 | return 0; | |
13239 | ||
13240 | init_offsets_alloc_err: | |
13241 | kfree(bp->init_ops); | |
13242 | init_ops_alloc_err: | |
13243 | kfree(bp->init_data); | |
13244 | request_firmware_exit: | |
13245 | release_firmware(bp->firmware); | |
13246 | ||
13247 | return rc; | |
13248 | } | |
13249 | ||
13250 | ||
13251 | static int __devinit bnx2x_init_one(struct pci_dev *pdev, | |
13252 | const struct pci_device_id *ent) | |
13253 | { | |
13254 | struct net_device *dev = NULL; | |
13255 | struct bnx2x *bp; | |
13256 | int pcie_width, pcie_speed; | |
13257 | int rc; | |
13258 | ||
13259 | /* dev zeroed in init_etherdev */ | |
13260 | dev = alloc_etherdev_mq(sizeof(*bp), MAX_CONTEXT); | |
13261 | if (!dev) { | |
13262 | dev_err(&pdev->dev, "Cannot allocate net device\n"); | |
13263 | return -ENOMEM; | |
13264 | } | |
13265 | ||
13266 | bp = netdev_priv(dev); | |
13267 | bp->msg_enable = debug; | |
13268 | ||
13269 | pci_set_drvdata(pdev, dev); | |
13270 | ||
13271 | rc = bnx2x_init_dev(pdev, dev); | |
13272 | if (rc < 0) { | |
13273 | free_netdev(dev); | |
13274 | return rc; | |
13275 | } | |
13276 | ||
13277 | rc = bnx2x_init_bp(bp); | |
13278 | if (rc) | |
13279 | goto init_one_exit; | |
13280 | ||
13281 | /* Set init arrays */ | |
13282 | rc = bnx2x_init_firmware(bp, &pdev->dev); | |
13283 | if (rc) { | |
13284 | dev_err(&pdev->dev, "Error loading firmware\n"); | |
13285 | goto init_one_exit; | |
13286 | } | |
13287 | ||
13288 | rc = register_netdev(dev); | |
13289 | if (rc) { | |
13290 | dev_err(&pdev->dev, "Cannot register net device\n"); | |
13291 | goto init_one_exit; | |
13292 | } | |
13293 | ||
13294 | bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed); | |
13295 | netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx," | |
13296 | " IRQ %d, ", board_info[ent->driver_data].name, | |
13297 | (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4), | |
13298 | pcie_width, (pcie_speed == 2) ? "5GHz (Gen2)" : "2.5GHz", | |
13299 | dev->base_addr, bp->pdev->irq); | |
13300 | pr_cont("node addr %pM\n", dev->dev_addr); | |
13301 | ||
13302 | return 0; | |
13303 | ||
13304 | init_one_exit: | |
13305 | if (bp->regview) | |
13306 | iounmap(bp->regview); | |
13307 | ||
13308 | if (bp->doorbells) | |
13309 | iounmap(bp->doorbells); | |
13310 | ||
13311 | free_netdev(dev); | |
13312 | ||
13313 | if (atomic_read(&pdev->enable_cnt) == 1) | |
13314 | pci_release_regions(pdev); | |
13315 | ||
13316 | pci_disable_device(pdev); | |
13317 | pci_set_drvdata(pdev, NULL); | |
13318 | ||
13319 | return rc; | |
13320 | } | |
13321 | ||
13322 | static void __devexit bnx2x_remove_one(struct pci_dev *pdev) | |
13323 | { | |
13324 | struct net_device *dev = pci_get_drvdata(pdev); | |
13325 | struct bnx2x *bp; | |
13326 | ||
13327 | if (!dev) { | |
13328 | dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n"); | |
13329 | return; | |
13330 | } | |
13331 | bp = netdev_priv(dev); | |
13332 | ||
13333 | unregister_netdev(dev); | |
13334 | ||
13335 | /* Make sure RESET task is not scheduled before continuing */ | |
13336 | cancel_delayed_work_sync(&bp->reset_task); | |
13337 | ||
13338 | kfree(bp->init_ops_offsets); | |
13339 | kfree(bp->init_ops); | |
13340 | kfree(bp->init_data); | |
13341 | release_firmware(bp->firmware); | |
13342 | ||
13343 | if (bp->regview) | |
13344 | iounmap(bp->regview); | |
13345 | ||
13346 | if (bp->doorbells) | |
13347 | iounmap(bp->doorbells); | |
13348 | ||
13349 | free_netdev(dev); | |
13350 | ||
13351 | if (atomic_read(&pdev->enable_cnt) == 1) | |
13352 | pci_release_regions(pdev); | |
13353 | ||
13354 | pci_disable_device(pdev); | |
13355 | pci_set_drvdata(pdev, NULL); | |
13356 | } | |
13357 | ||
13358 | static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state) | |
13359 | { | |
13360 | struct net_device *dev = pci_get_drvdata(pdev); | |
13361 | struct bnx2x *bp; | |
13362 | ||
13363 | if (!dev) { | |
13364 | dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n"); | |
13365 | return -ENODEV; | |
13366 | } | |
13367 | bp = netdev_priv(dev); | |
13368 | ||
13369 | rtnl_lock(); | |
13370 | ||
13371 | pci_save_state(pdev); | |
13372 | ||
13373 | if (!netif_running(dev)) { | |
13374 | rtnl_unlock(); | |
13375 | return 0; | |
13376 | } | |
13377 | ||
13378 | netif_device_detach(dev); | |
13379 | ||
13380 | bnx2x_nic_unload(bp, UNLOAD_CLOSE); | |
13381 | ||
13382 | bnx2x_set_power_state(bp, pci_choose_state(pdev, state)); | |
13383 | ||
13384 | rtnl_unlock(); | |
13385 | ||
13386 | return 0; | |
13387 | } | |
13388 | ||
13389 | static int bnx2x_resume(struct pci_dev *pdev) | |
13390 | { | |
13391 | struct net_device *dev = pci_get_drvdata(pdev); | |
13392 | struct bnx2x *bp; | |
13393 | int rc; | |
13394 | ||
13395 | if (!dev) { | |
13396 | dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n"); | |
13397 | return -ENODEV; | |
13398 | } | |
13399 | bp = netdev_priv(dev); | |
13400 | ||
13401 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { | |
13402 | printk(KERN_ERR "Handling parity error recovery. Try again later\n"); | |
13403 | return -EAGAIN; | |
13404 | } | |
13405 | ||
13406 | rtnl_lock(); | |
13407 | ||
13408 | pci_restore_state(pdev); | |
13409 | ||
13410 | if (!netif_running(dev)) { | |
13411 | rtnl_unlock(); | |
13412 | return 0; | |
13413 | } | |
13414 | ||
13415 | bnx2x_set_power_state(bp, PCI_D0); | |
13416 | netif_device_attach(dev); | |
13417 | ||
13418 | rc = bnx2x_nic_load(bp, LOAD_OPEN); | |
13419 | ||
13420 | rtnl_unlock(); | |
13421 | ||
13422 | return rc; | |
13423 | } | |
13424 | ||
13425 | static int bnx2x_eeh_nic_unload(struct bnx2x *bp) | |
13426 | { | |
13427 | int i; | |
13428 | ||
13429 | bp->state = BNX2X_STATE_ERROR; | |
13430 | ||
13431 | bp->rx_mode = BNX2X_RX_MODE_NONE; | |
13432 | ||
13433 | bnx2x_netif_stop(bp, 0); | |
13434 | ||
13435 | del_timer_sync(&bp->timer); | |
13436 | bp->stats_state = STATS_STATE_DISABLED; | |
13437 | DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n"); | |
13438 | ||
13439 | /* Release IRQs */ | |
13440 | bnx2x_free_irq(bp, false); | |
13441 | ||
13442 | if (CHIP_IS_E1(bp)) { | |
13443 | struct mac_configuration_cmd *config = | |
13444 | bnx2x_sp(bp, mcast_config); | |
13445 | ||
13446 | for (i = 0; i < config->hdr.length; i++) | |
13447 | CAM_INVALIDATE(config->config_table[i]); | |
13448 | } | |
13449 | ||
13450 | /* Free SKBs, SGEs, TPA pool and driver internals */ | |
13451 | bnx2x_free_skbs(bp); | |
13452 | for_each_queue(bp, i) | |
13453 | bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); | |
13454 | for_each_queue(bp, i) | |
13455 | netif_napi_del(&bnx2x_fp(bp, i, napi)); | |
13456 | bnx2x_free_mem(bp); | |
13457 | ||
13458 | bp->state = BNX2X_STATE_CLOSED; | |
13459 | ||
13460 | netif_carrier_off(bp->dev); | |
13461 | ||
13462 | return 0; | |
13463 | } | |
13464 | ||
13465 | static void bnx2x_eeh_recover(struct bnx2x *bp) | |
13466 | { | |
13467 | u32 val; | |
13468 | ||
13469 | mutex_init(&bp->port.phy_mutex); | |
13470 | ||
13471 | bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); | |
13472 | bp->link_params.shmem_base = bp->common.shmem_base; | |
13473 | BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base); | |
13474 | ||
13475 | if (!bp->common.shmem_base || | |
13476 | (bp->common.shmem_base < 0xA0000) || | |
13477 | (bp->common.shmem_base >= 0xC0000)) { | |
13478 | BNX2X_DEV_INFO("MCP not active\n"); | |
13479 | bp->flags |= NO_MCP_FLAG; | |
13480 | return; | |
13481 | } | |
13482 | ||
13483 | val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]); | |
13484 | if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
13485 | != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
13486 | BNX2X_ERR("BAD MCP validity signature\n"); | |
13487 | ||
13488 | if (!BP_NOMCP(bp)) { | |
13489 | bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header) | |
13490 | & DRV_MSG_SEQ_NUMBER_MASK); | |
13491 | BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); | |
13492 | } | |
13493 | } | |
13494 | ||
13495 | /** | |
13496 | * bnx2x_io_error_detected - called when PCI error is detected | |
13497 | * @pdev: Pointer to PCI device | |
13498 | * @state: The current pci connection state | |
13499 | * | |
13500 | * This function is called after a PCI bus error affecting | |
13501 | * this device has been detected. | |
13502 | */ | |
13503 | static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev, | |
13504 | pci_channel_state_t state) | |
13505 | { | |
13506 | struct net_device *dev = pci_get_drvdata(pdev); | |
13507 | struct bnx2x *bp = netdev_priv(dev); | |
13508 | ||
13509 | rtnl_lock(); | |
13510 | ||
13511 | netif_device_detach(dev); | |
13512 | ||
13513 | if (state == pci_channel_io_perm_failure) { | |
13514 | rtnl_unlock(); | |
13515 | return PCI_ERS_RESULT_DISCONNECT; | |
13516 | } | |
13517 | ||
13518 | if (netif_running(dev)) | |
13519 | bnx2x_eeh_nic_unload(bp); | |
13520 | ||
13521 | pci_disable_device(pdev); | |
13522 | ||
13523 | rtnl_unlock(); | |
13524 | ||
13525 | /* Request a slot reset */ | |
13526 | return PCI_ERS_RESULT_NEED_RESET; | |
13527 | } | |
13528 | ||
13529 | /** | |
13530 | * bnx2x_io_slot_reset - called after the PCI bus has been reset | |
13531 | * @pdev: Pointer to PCI device | |
13532 | * | |
13533 | * Restart the card from scratch, as if from a cold-boot. | |
13534 | */ | |
13535 | static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev) | |
13536 | { | |
13537 | struct net_device *dev = pci_get_drvdata(pdev); | |
13538 | struct bnx2x *bp = netdev_priv(dev); | |
13539 | ||
13540 | rtnl_lock(); | |
13541 | ||
13542 | if (pci_enable_device(pdev)) { | |
13543 | dev_err(&pdev->dev, | |
13544 | "Cannot re-enable PCI device after reset\n"); | |
13545 | rtnl_unlock(); | |
13546 | return PCI_ERS_RESULT_DISCONNECT; | |
13547 | } | |
13548 | ||
13549 | pci_set_master(pdev); | |
13550 | pci_restore_state(pdev); | |
13551 | ||
13552 | if (netif_running(dev)) | |
13553 | bnx2x_set_power_state(bp, PCI_D0); | |
13554 | ||
13555 | rtnl_unlock(); | |
13556 | ||
13557 | return PCI_ERS_RESULT_RECOVERED; | |
13558 | } | |
13559 | ||
13560 | /** | |
13561 | * bnx2x_io_resume - called when traffic can start flowing again | |
13562 | * @pdev: Pointer to PCI device | |
13563 | * | |
13564 | * This callback is called when the error recovery driver tells us that | |
13565 | * its OK to resume normal operation. | |
13566 | */ | |
13567 | static void bnx2x_io_resume(struct pci_dev *pdev) | |
13568 | { | |
13569 | struct net_device *dev = pci_get_drvdata(pdev); | |
13570 | struct bnx2x *bp = netdev_priv(dev); | |
13571 | ||
13572 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { | |
13573 | printk(KERN_ERR "Handling parity error recovery. Try again later\n"); | |
13574 | return; | |
13575 | } | |
13576 | ||
13577 | rtnl_lock(); | |
13578 | ||
13579 | bnx2x_eeh_recover(bp); | |
13580 | ||
13581 | if (netif_running(dev)) | |
13582 | bnx2x_nic_load(bp, LOAD_NORMAL); | |
13583 | ||
13584 | netif_device_attach(dev); | |
13585 | ||
13586 | rtnl_unlock(); | |
13587 | } | |
13588 | ||
13589 | static struct pci_error_handlers bnx2x_err_handler = { | |
13590 | .error_detected = bnx2x_io_error_detected, | |
13591 | .slot_reset = bnx2x_io_slot_reset, | |
13592 | .resume = bnx2x_io_resume, | |
13593 | }; | |
13594 | ||
13595 | static struct pci_driver bnx2x_pci_driver = { | |
13596 | .name = DRV_MODULE_NAME, | |
13597 | .id_table = bnx2x_pci_tbl, | |
13598 | .probe = bnx2x_init_one, | |
13599 | .remove = __devexit_p(bnx2x_remove_one), | |
13600 | .suspend = bnx2x_suspend, | |
13601 | .resume = bnx2x_resume, | |
13602 | .err_handler = &bnx2x_err_handler, | |
13603 | }; | |
13604 | ||
13605 | static int __init bnx2x_init(void) | |
13606 | { | |
13607 | int ret; | |
13608 | ||
13609 | pr_info("%s", version); | |
13610 | ||
13611 | bnx2x_wq = create_singlethread_workqueue("bnx2x"); | |
13612 | if (bnx2x_wq == NULL) { | |
13613 | pr_err("Cannot create workqueue\n"); | |
13614 | return -ENOMEM; | |
13615 | } | |
13616 | ||
13617 | ret = pci_register_driver(&bnx2x_pci_driver); | |
13618 | if (ret) { | |
13619 | pr_err("Cannot register driver\n"); | |
13620 | destroy_workqueue(bnx2x_wq); | |
13621 | } | |
13622 | return ret; | |
13623 | } | |
13624 | ||
13625 | static void __exit bnx2x_cleanup(void) | |
13626 | { | |
13627 | pci_unregister_driver(&bnx2x_pci_driver); | |
13628 | ||
13629 | destroy_workqueue(bnx2x_wq); | |
13630 | } | |
13631 | ||
13632 | module_init(bnx2x_init); | |
13633 | module_exit(bnx2x_cleanup); | |
13634 | ||
13635 | #ifdef BCM_CNIC | |
13636 | ||
13637 | /* count denotes the number of new completions we have seen */ | |
13638 | static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count) | |
13639 | { | |
13640 | struct eth_spe *spe; | |
13641 | ||
13642 | #ifdef BNX2X_STOP_ON_ERROR | |
13643 | if (unlikely(bp->panic)) | |
13644 | return; | |
13645 | #endif | |
13646 | ||
13647 | spin_lock_bh(&bp->spq_lock); | |
13648 | bp->cnic_spq_pending -= count; | |
13649 | ||
13650 | for (; bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending; | |
13651 | bp->cnic_spq_pending++) { | |
13652 | ||
13653 | if (!bp->cnic_kwq_pending) | |
13654 | break; | |
13655 | ||
13656 | spe = bnx2x_sp_get_next(bp); | |
13657 | *spe = *bp->cnic_kwq_cons; | |
13658 | ||
13659 | bp->cnic_kwq_pending--; | |
13660 | ||
13661 | DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n", | |
13662 | bp->cnic_spq_pending, bp->cnic_kwq_pending, count); | |
13663 | ||
13664 | if (bp->cnic_kwq_cons == bp->cnic_kwq_last) | |
13665 | bp->cnic_kwq_cons = bp->cnic_kwq; | |
13666 | else | |
13667 | bp->cnic_kwq_cons++; | |
13668 | } | |
13669 | bnx2x_sp_prod_update(bp); | |
13670 | spin_unlock_bh(&bp->spq_lock); | |
13671 | } | |
13672 | ||
13673 | static int bnx2x_cnic_sp_queue(struct net_device *dev, | |
13674 | struct kwqe_16 *kwqes[], u32 count) | |
13675 | { | |
13676 | struct bnx2x *bp = netdev_priv(dev); | |
13677 | int i; | |
13678 | ||
13679 | #ifdef BNX2X_STOP_ON_ERROR | |
13680 | if (unlikely(bp->panic)) | |
13681 | return -EIO; | |
13682 | #endif | |
13683 | ||
13684 | spin_lock_bh(&bp->spq_lock); | |
13685 | ||
13686 | for (i = 0; i < count; i++) { | |
13687 | struct eth_spe *spe = (struct eth_spe *)kwqes[i]; | |
13688 | ||
13689 | if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT) | |
13690 | break; | |
13691 | ||
13692 | *bp->cnic_kwq_prod = *spe; | |
13693 | ||
13694 | bp->cnic_kwq_pending++; | |
13695 | ||
13696 | DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n", | |
13697 | spe->hdr.conn_and_cmd_data, spe->hdr.type, | |
13698 | spe->data.mac_config_addr.hi, | |
13699 | spe->data.mac_config_addr.lo, | |
13700 | bp->cnic_kwq_pending); | |
13701 | ||
13702 | if (bp->cnic_kwq_prod == bp->cnic_kwq_last) | |
13703 | bp->cnic_kwq_prod = bp->cnic_kwq; | |
13704 | else | |
13705 | bp->cnic_kwq_prod++; | |
13706 | } | |
13707 | ||
13708 | spin_unlock_bh(&bp->spq_lock); | |
13709 | ||
13710 | if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending) | |
13711 | bnx2x_cnic_sp_post(bp, 0); | |
13712 | ||
13713 | return i; | |
13714 | } | |
13715 | ||
13716 | static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl) | |
13717 | { | |
13718 | struct cnic_ops *c_ops; | |
13719 | int rc = 0; | |
13720 | ||
13721 | mutex_lock(&bp->cnic_mutex); | |
13722 | c_ops = bp->cnic_ops; | |
13723 | if (c_ops) | |
13724 | rc = c_ops->cnic_ctl(bp->cnic_data, ctl); | |
13725 | mutex_unlock(&bp->cnic_mutex); | |
13726 | ||
13727 | return rc; | |
13728 | } | |
13729 | ||
13730 | static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl) | |
13731 | { | |
13732 | struct cnic_ops *c_ops; | |
13733 | int rc = 0; | |
13734 | ||
13735 | rcu_read_lock(); | |
13736 | c_ops = rcu_dereference(bp->cnic_ops); | |
13737 | if (c_ops) | |
13738 | rc = c_ops->cnic_ctl(bp->cnic_data, ctl); | |
13739 | rcu_read_unlock(); | |
13740 | ||
13741 | return rc; | |
13742 | } | |
13743 | ||
13744 | /* | |
13745 | * for commands that have no data | |
13746 | */ | |
13747 | static int bnx2x_cnic_notify(struct bnx2x *bp, int cmd) | |
13748 | { | |
13749 | struct cnic_ctl_info ctl = {0}; | |
13750 | ||
13751 | ctl.cmd = cmd; | |
13752 | ||
13753 | return bnx2x_cnic_ctl_send(bp, &ctl); | |
13754 | } | |
13755 | ||
13756 | static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid) | |
13757 | { | |
13758 | struct cnic_ctl_info ctl; | |
13759 | ||
13760 | /* first we tell CNIC and only then we count this as a completion */ | |
13761 | ctl.cmd = CNIC_CTL_COMPLETION_CMD; | |
13762 | ctl.data.comp.cid = cid; | |
13763 | ||
13764 | bnx2x_cnic_ctl_send_bh(bp, &ctl); | |
13765 | bnx2x_cnic_sp_post(bp, 1); | |
13766 | } | |
13767 | ||
13768 | static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl) | |
13769 | { | |
13770 | struct bnx2x *bp = netdev_priv(dev); | |
13771 | int rc = 0; | |
13772 | ||
13773 | switch (ctl->cmd) { | |
13774 | case DRV_CTL_CTXTBL_WR_CMD: { | |
13775 | u32 index = ctl->data.io.offset; | |
13776 | dma_addr_t addr = ctl->data.io.dma_addr; | |
13777 | ||
13778 | bnx2x_ilt_wr(bp, index, addr); | |
13779 | break; | |
13780 | } | |
13781 | ||
13782 | case DRV_CTL_COMPLETION_CMD: { | |
13783 | int count = ctl->data.comp.comp_count; | |
13784 | ||
13785 | bnx2x_cnic_sp_post(bp, count); | |
13786 | break; | |
13787 | } | |
13788 | ||
13789 | /* rtnl_lock is held. */ | |
13790 | case DRV_CTL_START_L2_CMD: { | |
13791 | u32 cli = ctl->data.ring.client_id; | |
13792 | ||
13793 | bp->rx_mode_cl_mask |= (1 << cli); | |
13794 | bnx2x_set_storm_rx_mode(bp); | |
13795 | break; | |
13796 | } | |
13797 | ||
13798 | /* rtnl_lock is held. */ | |
13799 | case DRV_CTL_STOP_L2_CMD: { | |
13800 | u32 cli = ctl->data.ring.client_id; | |
13801 | ||
13802 | bp->rx_mode_cl_mask &= ~(1 << cli); | |
13803 | bnx2x_set_storm_rx_mode(bp); | |
13804 | break; | |
13805 | } | |
13806 | ||
13807 | default: | |
13808 | BNX2X_ERR("unknown command %x\n", ctl->cmd); | |
13809 | rc = -EINVAL; | |
13810 | } | |
13811 | ||
13812 | return rc; | |
13813 | } | |
13814 | ||
13815 | static void bnx2x_setup_cnic_irq_info(struct bnx2x *bp) | |
13816 | { | |
13817 | struct cnic_eth_dev *cp = &bp->cnic_eth_dev; | |
13818 | ||
13819 | if (bp->flags & USING_MSIX_FLAG) { | |
13820 | cp->drv_state |= CNIC_DRV_STATE_USING_MSIX; | |
13821 | cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX; | |
13822 | cp->irq_arr[0].vector = bp->msix_table[1].vector; | |
13823 | } else { | |
13824 | cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX; | |
13825 | cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX; | |
13826 | } | |
13827 | cp->irq_arr[0].status_blk = bp->cnic_sb; | |
13828 | cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp); | |
13829 | cp->irq_arr[1].status_blk = bp->def_status_blk; | |
13830 | cp->irq_arr[1].status_blk_num = DEF_SB_ID; | |
13831 | ||
13832 | cp->num_irq = 2; | |
13833 | } | |
13834 | ||
13835 | static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops, | |
13836 | void *data) | |
13837 | { | |
13838 | struct bnx2x *bp = netdev_priv(dev); | |
13839 | struct cnic_eth_dev *cp = &bp->cnic_eth_dev; | |
13840 | ||
13841 | if (ops == NULL) | |
13842 | return -EINVAL; | |
13843 | ||
13844 | if (atomic_read(&bp->intr_sem) != 0) | |
13845 | return -EBUSY; | |
13846 | ||
13847 | bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL); | |
13848 | if (!bp->cnic_kwq) | |
13849 | return -ENOMEM; | |
13850 | ||
13851 | bp->cnic_kwq_cons = bp->cnic_kwq; | |
13852 | bp->cnic_kwq_prod = bp->cnic_kwq; | |
13853 | bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT; | |
13854 | ||
13855 | bp->cnic_spq_pending = 0; | |
13856 | bp->cnic_kwq_pending = 0; | |
13857 | ||
13858 | bp->cnic_data = data; | |
13859 | ||
13860 | cp->num_irq = 0; | |
13861 | cp->drv_state = CNIC_DRV_STATE_REGD; | |
13862 | ||
13863 | bnx2x_init_sb(bp, bp->cnic_sb, bp->cnic_sb_mapping, CNIC_SB_ID(bp)); | |
13864 | ||
13865 | bnx2x_setup_cnic_irq_info(bp); | |
13866 | bnx2x_set_iscsi_eth_mac_addr(bp, 1); | |
13867 | bp->cnic_flags |= BNX2X_CNIC_FLAG_MAC_SET; | |
13868 | rcu_assign_pointer(bp->cnic_ops, ops); | |
13869 | ||
13870 | return 0; | |
13871 | } | |
13872 | ||
13873 | static int bnx2x_unregister_cnic(struct net_device *dev) | |
13874 | { | |
13875 | struct bnx2x *bp = netdev_priv(dev); | |
13876 | struct cnic_eth_dev *cp = &bp->cnic_eth_dev; | |
13877 | ||
13878 | mutex_lock(&bp->cnic_mutex); | |
13879 | if (bp->cnic_flags & BNX2X_CNIC_FLAG_MAC_SET) { | |
13880 | bp->cnic_flags &= ~BNX2X_CNIC_FLAG_MAC_SET; | |
13881 | bnx2x_set_iscsi_eth_mac_addr(bp, 0); | |
13882 | } | |
13883 | cp->drv_state = 0; | |
13884 | rcu_assign_pointer(bp->cnic_ops, NULL); | |
13885 | mutex_unlock(&bp->cnic_mutex); | |
13886 | synchronize_rcu(); | |
13887 | kfree(bp->cnic_kwq); | |
13888 | bp->cnic_kwq = NULL; | |
13889 | ||
13890 | return 0; | |
13891 | } | |
13892 | ||
13893 | struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev) | |
13894 | { | |
13895 | struct bnx2x *bp = netdev_priv(dev); | |
13896 | struct cnic_eth_dev *cp = &bp->cnic_eth_dev; | |
13897 | ||
13898 | cp->drv_owner = THIS_MODULE; | |
13899 | cp->chip_id = CHIP_ID(bp); | |
13900 | cp->pdev = bp->pdev; | |
13901 | cp->io_base = bp->regview; | |
13902 | cp->io_base2 = bp->doorbells; | |
13903 | cp->max_kwqe_pending = 8; | |
13904 | cp->ctx_blk_size = CNIC_CTX_PER_ILT * sizeof(union cdu_context); | |
13905 | cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) + 1; | |
13906 | cp->ctx_tbl_len = CNIC_ILT_LINES; | |
13907 | cp->starting_cid = BCM_CNIC_CID_START; | |
13908 | cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue; | |
13909 | cp->drv_ctl = bnx2x_drv_ctl; | |
13910 | cp->drv_register_cnic = bnx2x_register_cnic; | |
13911 | cp->drv_unregister_cnic = bnx2x_unregister_cnic; | |
13912 | ||
13913 | return cp; | |
13914 | } | |
13915 | EXPORT_SYMBOL(bnx2x_cnic_probe); | |
13916 | ||
13917 | #endif /* BCM_CNIC */ | |
13918 |