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1 | /* bnx2x.c: Broadcom Everest network driver. |
2 | * | |
3 | * Copyright (c) 2007 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 | * Written by: Eliezer Tamir <eliezert@broadcom.com> | |
10 | * Based on code from Michael Chan's bnx2 driver | |
11 | * UDP CSUM errata workaround by Arik Gendelman | |
12 | * Slowpath rework by Vladislav Zolotarov | |
13 | * Statistics and Link managment by Yitchak Gertner | |
14 | * | |
15 | */ | |
16 | ||
17 | /* define this to make the driver freeze on error | |
18 | * to allow getting debug info | |
19 | * (you will need to reboot afterwords) | |
20 | */ | |
21 | /*#define BNX2X_STOP_ON_ERROR*/ | |
22 | ||
23 | #include <linux/module.h> | |
24 | #include <linux/moduleparam.h> | |
25 | #include <linux/kernel.h> | |
26 | #include <linux/device.h> /* for dev_info() */ | |
27 | #include <linux/timer.h> | |
28 | #include <linux/errno.h> | |
29 | #include <linux/ioport.h> | |
30 | #include <linux/slab.h> | |
31 | #include <linux/vmalloc.h> | |
32 | #include <linux/interrupt.h> | |
33 | #include <linux/pci.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/netdevice.h> | |
36 | #include <linux/etherdevice.h> | |
37 | #include <linux/skbuff.h> | |
38 | #include <linux/dma-mapping.h> | |
39 | #include <linux/bitops.h> | |
40 | #include <linux/irq.h> | |
41 | #include <linux/delay.h> | |
42 | #include <asm/byteorder.h> | |
43 | #include <linux/time.h> | |
44 | #include <linux/ethtool.h> | |
45 | #include <linux/mii.h> | |
46 | #ifdef NETIF_F_HW_VLAN_TX | |
47 | #include <linux/if_vlan.h> | |
48 | #define BCM_VLAN 1 | |
49 | #endif | |
50 | #include <net/ip.h> | |
51 | #include <net/tcp.h> | |
52 | #include <net/checksum.h> | |
53 | #include <linux/workqueue.h> | |
54 | #include <linux/crc32.h> | |
55 | #include <linux/prefetch.h> | |
56 | #include <linux/zlib.h> | |
57 | #include <linux/version.h> | |
58 | #include <linux/io.h> | |
59 | ||
60 | #include "bnx2x_reg.h" | |
61 | #include "bnx2x_fw_defs.h" | |
62 | #include "bnx2x_hsi.h" | |
63 | #include "bnx2x.h" | |
64 | #include "bnx2x_init.h" | |
65 | ||
66 | #define DRV_MODULE_VERSION "0.40.15" | |
67 | #define DRV_MODULE_RELDATE "$DateTime: 2007/11/15 07:28:37 $" | |
68 | #define BNX2X_BC_VER 0x040009 | |
69 | ||
70 | /* Time in jiffies before concluding the transmitter is hung. */ | |
71 | #define TX_TIMEOUT (5*HZ) | |
72 | ||
73 | static const char version[] __devinitdata = | |
74 | "Broadcom NetXtreme II 577xx 10Gigabit Ethernet Driver " | |
75 | DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; | |
76 | ||
77 | MODULE_AUTHOR("Eliezer Tamir <eliezert@broadcom.com>"); | |
78 | MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); | |
79 | MODULE_LICENSE("GPL"); | |
80 | MODULE_VERSION(DRV_MODULE_VERSION); | |
81 | MODULE_INFO(cvs_version, "$Revision: #356 $"); | |
82 | ||
83 | static int use_inta; | |
84 | static int poll; | |
85 | static int onefunc; | |
86 | static int nomcp; | |
87 | static int debug; | |
88 | static int use_multi; | |
89 | ||
90 | module_param(use_inta, int, 0); | |
91 | module_param(poll, int, 0); | |
92 | module_param(onefunc, int, 0); | |
93 | module_param(debug, int, 0); | |
94 | MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X"); | |
95 | MODULE_PARM_DESC(poll, "use polling (for debug)"); | |
96 | MODULE_PARM_DESC(onefunc, "enable only first function"); | |
97 | MODULE_PARM_DESC(nomcp, "ignore managment CPU (Implies onefunc)"); | |
98 | MODULE_PARM_DESC(debug, "defualt debug msglevel"); | |
99 | ||
100 | #ifdef BNX2X_MULTI | |
101 | module_param(use_multi, int, 0); | |
102 | MODULE_PARM_DESC(use_multi, "use per-CPU queues"); | |
103 | #endif | |
104 | ||
105 | enum bnx2x_board_type { | |
106 | BCM57710 = 0, | |
107 | }; | |
108 | ||
109 | /* indexed by board_t, above */ | |
110 | static const struct { | |
111 | char *name; | |
112 | } board_info[] __devinitdata = { | |
113 | { "Broadcom NetXtreme II BCM57710 XGb" } | |
114 | }; | |
115 | ||
116 | static const struct pci_device_id bnx2x_pci_tbl[] = { | |
117 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710, | |
118 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 }, | |
119 | { 0 } | |
120 | }; | |
121 | ||
122 | MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl); | |
123 | ||
124 | /**************************************************************************** | |
125 | * General service functions | |
126 | ****************************************************************************/ | |
127 | ||
128 | /* used only at init | |
129 | * locking is done by mcp | |
130 | */ | |
131 | static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val) | |
132 | { | |
133 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); | |
134 | pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val); | |
135 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, | |
136 | PCICFG_VENDOR_ID_OFFSET); | |
137 | } | |
138 | ||
139 | #ifdef BNX2X_IND_RD | |
140 | static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr) | |
141 | { | |
142 | u32 val; | |
143 | ||
144 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); | |
145 | pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val); | |
146 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, | |
147 | PCICFG_VENDOR_ID_OFFSET); | |
148 | ||
149 | return val; | |
150 | } | |
151 | #endif | |
152 | ||
153 | static const u32 dmae_reg_go_c[] = { | |
154 | DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3, | |
155 | DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7, | |
156 | DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11, | |
157 | DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15 | |
158 | }; | |
159 | ||
160 | /* copy command into DMAE command memory and set DMAE command go */ | |
161 | static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, | |
162 | int idx) | |
163 | { | |
164 | u32 cmd_offset; | |
165 | int i; | |
166 | ||
167 | cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx); | |
168 | for (i = 0; i < (sizeof(struct dmae_command)/4); i++) { | |
169 | REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i)); | |
170 | ||
171 | /* DP(NETIF_MSG_DMAE, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n", | |
172 | idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i)); */ | |
173 | } | |
174 | REG_WR(bp, dmae_reg_go_c[idx], 1); | |
175 | } | |
176 | ||
177 | static void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, | |
178 | u32 dst_addr, u32 len32) | |
179 | { | |
180 | struct dmae_command *dmae = &bp->dmae; | |
181 | int port = bp->port; | |
182 | u32 *wb_comp = bnx2x_sp(bp, wb_comp); | |
183 | int timeout = 200; | |
184 | ||
185 | memset(dmae, 0, sizeof(struct dmae_command)); | |
186 | ||
187 | dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
188 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
189 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
190 | #ifdef __BIG_ENDIAN | |
191 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
192 | #else | |
193 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
194 | #endif | |
195 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
196 | dmae->src_addr_lo = U64_LO(dma_addr); | |
197 | dmae->src_addr_hi = U64_HI(dma_addr); | |
198 | dmae->dst_addr_lo = dst_addr >> 2; | |
199 | dmae->dst_addr_hi = 0; | |
200 | dmae->len = len32; | |
201 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); | |
202 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); | |
203 | dmae->comp_val = BNX2X_WB_COMP_VAL; | |
204 | ||
205 | /* | |
206 | DP(NETIF_MSG_DMAE, "dmae: opcode 0x%08x\n" | |
207 | DP_LEVEL "src_addr [%x:%08x] len [%d *4] " | |
208 | "dst_addr [%x:%08x (%08x)]\n" | |
209 | DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", | |
210 | dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo, | |
211 | dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr, | |
212 | dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); | |
213 | */ | |
214 | /* | |
215 | DP(NETIF_MSG_DMAE, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", | |
216 | bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], | |
217 | bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); | |
218 | */ | |
219 | ||
220 | *wb_comp = 0; | |
221 | ||
222 | bnx2x_post_dmae(bp, dmae, port * 8); | |
223 | ||
224 | udelay(5); | |
225 | /* adjust timeout for emulation/FPGA */ | |
226 | if (CHIP_REV_IS_SLOW(bp)) | |
227 | timeout *= 100; | |
228 | while (*wb_comp != BNX2X_WB_COMP_VAL) { | |
229 | /* DP(NETIF_MSG_DMAE, "wb_comp 0x%08x\n", *wb_comp); */ | |
230 | udelay(5); | |
231 | if (!timeout) { | |
232 | BNX2X_ERR("dmae timeout!\n"); | |
233 | break; | |
234 | } | |
235 | timeout--; | |
236 | } | |
237 | } | |
238 | ||
239 | #ifdef BNX2X_DMAE_RD | |
240 | static void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32) | |
241 | { | |
242 | struct dmae_command *dmae = &bp->dmae; | |
243 | int port = bp->port; | |
244 | u32 *wb_comp = bnx2x_sp(bp, wb_comp); | |
245 | int timeout = 200; | |
246 | ||
247 | memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4); | |
248 | memset(dmae, 0, sizeof(struct dmae_command)); | |
249 | ||
250 | dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
251 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
252 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
253 | #ifdef __BIG_ENDIAN | |
254 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
255 | #else | |
256 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
257 | #endif | |
258 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
259 | dmae->src_addr_lo = src_addr >> 2; | |
260 | dmae->src_addr_hi = 0; | |
261 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data)); | |
262 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data)); | |
263 | dmae->len = len32; | |
264 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); | |
265 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); | |
266 | dmae->comp_val = BNX2X_WB_COMP_VAL; | |
267 | ||
268 | /* | |
269 | DP(NETIF_MSG_DMAE, "dmae: opcode 0x%08x\n" | |
270 | DP_LEVEL "src_addr [%x:%08x] len [%d *4] " | |
271 | "dst_addr [%x:%08x (%08x)]\n" | |
272 | DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", | |
273 | dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo, | |
274 | dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr, | |
275 | dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); | |
276 | */ | |
277 | ||
278 | *wb_comp = 0; | |
279 | ||
280 | bnx2x_post_dmae(bp, dmae, port * 8); | |
281 | ||
282 | udelay(5); | |
283 | while (*wb_comp != BNX2X_WB_COMP_VAL) { | |
284 | udelay(5); | |
285 | if (!timeout) { | |
286 | BNX2X_ERR("dmae timeout!\n"); | |
287 | break; | |
288 | } | |
289 | timeout--; | |
290 | } | |
291 | /* | |
292 | DP(NETIF_MSG_DMAE, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", | |
293 | bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], | |
294 | bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); | |
295 | */ | |
296 | } | |
297 | #endif | |
298 | ||
299 | static int bnx2x_mc_assert(struct bnx2x *bp) | |
300 | { | |
301 | int i, j; | |
302 | int rc = 0; | |
303 | char last_idx; | |
304 | const char storm[] = {"XTCU"}; | |
305 | const u32 intmem_base[] = { | |
306 | BAR_XSTRORM_INTMEM, | |
307 | BAR_TSTRORM_INTMEM, | |
308 | BAR_CSTRORM_INTMEM, | |
309 | BAR_USTRORM_INTMEM | |
310 | }; | |
311 | ||
312 | /* Go through all instances of all SEMIs */ | |
313 | for (i = 0; i < 4; i++) { | |
314 | last_idx = REG_RD8(bp, XSTORM_ASSERT_LIST_INDEX_OFFSET + | |
315 | intmem_base[i]); | |
316 | BNX2X_ERR("DATA %cSTORM_ASSERT_LIST_INDEX 0x%x\n", | |
317 | storm[i], last_idx); | |
318 | ||
319 | /* print the asserts */ | |
320 | for (j = 0; j < STROM_ASSERT_ARRAY_SIZE; j++) { | |
321 | u32 row0, row1, row2, row3; | |
322 | ||
323 | row0 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + | |
324 | intmem_base[i]); | |
325 | row1 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 4 + | |
326 | intmem_base[i]); | |
327 | row2 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 8 + | |
328 | intmem_base[i]); | |
329 | row3 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 12 + | |
330 | intmem_base[i]); | |
331 | ||
332 | if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { | |
333 | BNX2X_ERR("DATA %cSTORM_ASSERT_INDEX 0x%x =" | |
334 | " 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
335 | storm[i], j, row3, row2, row1, row0); | |
336 | rc++; | |
337 | } else { | |
338 | break; | |
339 | } | |
340 | } | |
341 | } | |
342 | return rc; | |
343 | } | |
344 | static void bnx2x_fw_dump(struct bnx2x *bp) | |
345 | { | |
346 | u32 mark, offset; | |
347 | u32 data[9]; | |
348 | int word; | |
349 | ||
350 | mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104); | |
351 | printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n", mark); | |
352 | ||
353 | for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) { | |
354 | for (word = 0; word < 8; word++) | |
355 | data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + | |
356 | offset + 4*word)); | |
357 | data[8] = 0x0; | |
358 | printk(KERN_ERR PFX "%s", (char *)data); | |
359 | } | |
360 | for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) { | |
361 | for (word = 0; word < 8; word++) | |
362 | data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + | |
363 | offset + 4*word)); | |
364 | data[8] = 0x0; | |
365 | printk(KERN_ERR PFX "%s", (char *)data); | |
366 | } | |
367 | printk("\n" KERN_ERR PFX "end of fw dump\n"); | |
368 | } | |
369 | ||
370 | static void bnx2x_panic_dump(struct bnx2x *bp) | |
371 | { | |
372 | int i; | |
373 | u16 j, start, end; | |
374 | ||
375 | BNX2X_ERR("begin crash dump -----------------\n"); | |
376 | ||
377 | for_each_queue(bp, i) { | |
378 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
379 | struct eth_tx_db_data *hw_prods = fp->hw_tx_prods; | |
380 | ||
381 | BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)" | |
382 | " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)" | |
383 | " *rx_cons_sb(%x) rx_comp_prod(%x)" | |
384 | " rx_comp_cons(%x) fp_c_idx(%x) fp_u_idx(%x)" | |
385 | " bd data(%x,%x)\n", | |
386 | i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod, | |
387 | fp->tx_bd_cons, *fp->tx_cons_sb, *fp->rx_cons_sb, | |
388 | fp->rx_comp_prod, fp->rx_comp_cons, fp->fp_c_idx, | |
389 | fp->fp_u_idx, hw_prods->packets_prod, | |
390 | hw_prods->bds_prod); | |
391 | ||
392 | start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10); | |
393 | end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245); | |
394 | for (j = start; j < end; j++) { | |
395 | struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j]; | |
396 | ||
397 | BNX2X_ERR("packet[%x]=[%p,%x]\n", j, | |
398 | sw_bd->skb, sw_bd->first_bd); | |
399 | } | |
400 | ||
401 | start = TX_BD(fp->tx_bd_cons - 10); | |
402 | end = TX_BD(fp->tx_bd_cons + 254); | |
403 | for (j = start; j < end; j++) { | |
404 | u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j]; | |
405 | ||
406 | BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n", | |
407 | j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]); | |
408 | } | |
409 | ||
410 | start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10); | |
411 | end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503); | |
412 | for (j = start; j < end; j++) { | |
413 | u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j]; | |
414 | struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j]; | |
415 | ||
416 | BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n", | |
417 | j, rx_bd[0], rx_bd[1], sw_bd->skb); | |
418 | } | |
419 | ||
420 | start = RCQ_BD(fp->rx_comp_cons - 10); | |
421 | end = RCQ_BD(fp->rx_comp_cons + 503); | |
422 | for (j = start; j < end; j++) { | |
423 | u32 *cqe = (u32 *)&fp->rx_comp_ring[j]; | |
424 | ||
425 | BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n", | |
426 | j, cqe[0], cqe[1], cqe[2], cqe[3]); | |
427 | } | |
428 | } | |
429 | ||
430 | BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_t_idx(%u)" | |
431 | " def_x_idx(%u) def_att_idx(%u) attn_state(%u)" | |
432 | " spq_prod_idx(%u)\n", | |
433 | bp->def_c_idx, bp->def_u_idx, bp->def_t_idx, bp->def_x_idx, | |
434 | bp->def_att_idx, bp->attn_state, bp->spq_prod_idx); | |
435 | ||
436 | ||
437 | bnx2x_mc_assert(bp); | |
438 | BNX2X_ERR("end crash dump -----------------\n"); | |
439 | ||
440 | bp->stats_state = STATS_STATE_DISABLE; | |
441 | DP(BNX2X_MSG_STATS, "stats_state - DISABLE\n"); | |
442 | } | |
443 | ||
444 | static void bnx2x_enable_int(struct bnx2x *bp) | |
445 | { | |
446 | int port = bp->port; | |
447 | u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; | |
448 | u32 val = REG_RD(bp, addr); | |
449 | int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; | |
450 | ||
451 | if (msix) { | |
452 | val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0; | |
453 | val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
454 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
455 | } else { | |
456 | val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | | |
457 | HC_CONFIG_0_REG_INT_LINE_EN_0 | | |
458 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
459 | val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0; | |
460 | } | |
461 | ||
462 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) msi %d\n", | |
463 | val, port, addr, msix); | |
464 | ||
465 | REG_WR(bp, addr, val); | |
466 | } | |
467 | ||
468 | static void bnx2x_disable_int(struct bnx2x *bp) | |
469 | { | |
470 | int port = bp->port; | |
471 | u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; | |
472 | u32 val = REG_RD(bp, addr); | |
473 | ||
474 | val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | | |
475 | HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
476 | HC_CONFIG_0_REG_INT_LINE_EN_0 | | |
477 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
478 | ||
479 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n", | |
480 | val, port, addr); | |
481 | ||
482 | REG_WR(bp, addr, val); | |
483 | if (REG_RD(bp, addr) != val) | |
484 | BNX2X_ERR("BUG! proper val not read from IGU!\n"); | |
485 | } | |
486 | ||
487 | static void bnx2x_disable_int_sync(struct bnx2x *bp) | |
488 | { | |
489 | ||
490 | int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; | |
491 | int i; | |
492 | ||
493 | atomic_inc(&bp->intr_sem); | |
494 | /* prevent the HW from sending interrupts*/ | |
495 | bnx2x_disable_int(bp); | |
496 | ||
497 | /* make sure all ISRs are done */ | |
498 | if (msix) { | |
499 | for_each_queue(bp, i) | |
500 | synchronize_irq(bp->msix_table[i].vector); | |
501 | ||
502 | /* one more for the Slow Path IRQ */ | |
503 | synchronize_irq(bp->msix_table[i].vector); | |
504 | } else | |
505 | synchronize_irq(bp->pdev->irq); | |
506 | ||
507 | /* make sure sp_task is not running */ | |
508 | cancel_work_sync(&bp->sp_task); | |
509 | ||
510 | } | |
511 | ||
512 | /* fast path code */ | |
513 | ||
514 | /* | |
515 | * general service functions | |
516 | */ | |
517 | ||
518 | static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 id, | |
519 | u8 storm, u16 index, u8 op, u8 update) | |
520 | { | |
521 | u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_PORT_BASE * bp->port) * 8; | |
522 | struct igu_ack_register igu_ack; | |
523 | ||
524 | igu_ack.status_block_index = index; | |
525 | igu_ack.sb_id_and_flags = | |
526 | ((id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) | | |
527 | (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) | | |
528 | (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) | | |
529 | (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT)); | |
530 | ||
531 | /* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", | |
532 | (*(u32 *)&igu_ack), BAR_IGU_INTMEM + igu_addr); */ | |
533 | REG_WR(bp, BAR_IGU_INTMEM + igu_addr, (*(u32 *)&igu_ack)); | |
534 | } | |
535 | ||
536 | static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) | |
537 | { | |
538 | struct host_status_block *fpsb = fp->status_blk; | |
539 | u16 rc = 0; | |
540 | ||
541 | barrier(); /* status block is written to by the chip */ | |
542 | if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) { | |
543 | fp->fp_c_idx = fpsb->c_status_block.status_block_index; | |
544 | rc |= 1; | |
545 | } | |
546 | if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) { | |
547 | fp->fp_u_idx = fpsb->u_status_block.status_block_index; | |
548 | rc |= 2; | |
549 | } | |
550 | return rc; | |
551 | } | |
552 | ||
553 | static inline int bnx2x_has_work(struct bnx2x_fastpath *fp) | |
554 | { | |
555 | u16 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); | |
556 | ||
557 | if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) | |
558 | rx_cons_sb++; | |
559 | ||
560 | if ((rx_cons_sb != fp->rx_comp_cons) || | |
561 | (le16_to_cpu(*fp->tx_cons_sb) != fp->tx_pkt_cons)) | |
562 | return 1; | |
563 | ||
564 | return 0; | |
565 | } | |
566 | ||
567 | static u16 bnx2x_ack_int(struct bnx2x *bp) | |
568 | { | |
569 | u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_PORT_BASE * bp->port) * 8; | |
570 | u32 result = REG_RD(bp, BAR_IGU_INTMEM + igu_addr); | |
571 | ||
572 | /* DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n", | |
573 | result, BAR_IGU_INTMEM + igu_addr); */ | |
574 | ||
575 | #ifdef IGU_DEBUG | |
576 | #warning IGU_DEBUG active | |
577 | if (result == 0) { | |
578 | BNX2X_ERR("read %x from IGU\n", result); | |
579 | REG_WR(bp, TM_REG_TIMER_SOFT_RST, 0); | |
580 | } | |
581 | #endif | |
582 | return result; | |
583 | } | |
584 | ||
585 | ||
586 | /* | |
587 | * fast path service functions | |
588 | */ | |
589 | ||
590 | /* free skb in the packet ring at pos idx | |
591 | * return idx of last bd freed | |
592 | */ | |
593 | static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, | |
594 | u16 idx) | |
595 | { | |
596 | struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx]; | |
597 | struct eth_tx_bd *tx_bd; | |
598 | struct sk_buff *skb = tx_buf->skb; | |
599 | u16 bd_idx = tx_buf->first_bd; | |
600 | int nbd; | |
601 | ||
602 | DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n", | |
603 | idx, tx_buf, skb); | |
604 | ||
605 | /* unmap first bd */ | |
606 | DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx); | |
607 | tx_bd = &fp->tx_desc_ring[bd_idx]; | |
608 | pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd), | |
609 | BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE); | |
610 | ||
611 | nbd = le16_to_cpu(tx_bd->nbd) - 1; | |
612 | #ifdef BNX2X_STOP_ON_ERROR | |
613 | if (nbd > (MAX_SKB_FRAGS + 2)) { | |
614 | BNX2X_ERR("bad nbd!\n"); | |
615 | bnx2x_panic(); | |
616 | } | |
617 | #endif | |
618 | ||
619 | /* Skip a parse bd and the TSO split header bd | |
620 | since they have no mapping */ | |
621 | if (nbd) | |
622 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
623 | ||
624 | if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM | | |
625 | ETH_TX_BD_FLAGS_TCP_CSUM | | |
626 | ETH_TX_BD_FLAGS_SW_LSO)) { | |
627 | if (--nbd) | |
628 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
629 | tx_bd = &fp->tx_desc_ring[bd_idx]; | |
630 | /* is this a TSO split header bd? */ | |
631 | if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) { | |
632 | if (--nbd) | |
633 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
634 | } | |
635 | } | |
636 | ||
637 | /* now free frags */ | |
638 | while (nbd > 0) { | |
639 | ||
640 | DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx); | |
641 | tx_bd = &fp->tx_desc_ring[bd_idx]; | |
642 | pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd), | |
643 | BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE); | |
644 | if (--nbd) | |
645 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
646 | } | |
647 | ||
648 | /* release skb */ | |
649 | BUG_TRAP(skb); | |
650 | dev_kfree_skb(skb); | |
651 | tx_buf->first_bd = 0; | |
652 | tx_buf->skb = NULL; | |
653 | ||
654 | return bd_idx; | |
655 | } | |
656 | ||
657 | static inline u32 bnx2x_tx_avail(struct bnx2x_fastpath *fp) | |
658 | { | |
659 | u16 used; | |
660 | u32 prod; | |
661 | u32 cons; | |
662 | ||
663 | /* Tell compiler that prod and cons can change */ | |
664 | barrier(); | |
665 | prod = fp->tx_bd_prod; | |
666 | cons = fp->tx_bd_cons; | |
667 | ||
668 | used = (NUM_TX_BD - NUM_TX_RINGS + prod - cons + | |
669 | (cons / TX_DESC_CNT) - (prod / TX_DESC_CNT)); | |
670 | ||
671 | if (prod >= cons) { | |
672 | /* used = prod - cons - prod/size + cons/size */ | |
673 | used -= NUM_TX_BD - NUM_TX_RINGS; | |
674 | } | |
675 | ||
676 | BUG_TRAP(used <= fp->bp->tx_ring_size); | |
677 | BUG_TRAP((fp->bp->tx_ring_size - used) <= MAX_TX_AVAIL); | |
678 | ||
679 | return (fp->bp->tx_ring_size - used); | |
680 | } | |
681 | ||
682 | static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work) | |
683 | { | |
684 | struct bnx2x *bp = fp->bp; | |
685 | u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons; | |
686 | int done = 0; | |
687 | ||
688 | #ifdef BNX2X_STOP_ON_ERROR | |
689 | if (unlikely(bp->panic)) | |
690 | return; | |
691 | #endif | |
692 | ||
693 | hw_cons = le16_to_cpu(*fp->tx_cons_sb); | |
694 | sw_cons = fp->tx_pkt_cons; | |
695 | ||
696 | while (sw_cons != hw_cons) { | |
697 | u16 pkt_cons; | |
698 | ||
699 | pkt_cons = TX_BD(sw_cons); | |
700 | ||
701 | /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */ | |
702 | ||
703 | DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %d\n", | |
704 | hw_cons, sw_cons, pkt_cons); | |
705 | ||
706 | /* if (NEXT_TX_IDX(sw_cons) != hw_cons) { | |
707 | rmb(); | |
708 | prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb); | |
709 | } | |
710 | */ | |
711 | bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons); | |
712 | sw_cons++; | |
713 | done++; | |
714 | ||
715 | if (done == work) | |
716 | break; | |
717 | } | |
718 | ||
719 | fp->tx_pkt_cons = sw_cons; | |
720 | fp->tx_bd_cons = bd_cons; | |
721 | ||
722 | /* Need to make the tx_cons update visible to start_xmit() | |
723 | * before checking for netif_queue_stopped(). Without the | |
724 | * memory barrier, there is a small possibility that start_xmit() | |
725 | * will miss it and cause the queue to be stopped forever. | |
726 | */ | |
727 | smp_mb(); | |
728 | ||
729 | /* TBD need a thresh? */ | |
730 | if (unlikely(netif_queue_stopped(bp->dev))) { | |
731 | ||
732 | netif_tx_lock(bp->dev); | |
733 | ||
734 | if (netif_queue_stopped(bp->dev) && | |
735 | (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)) | |
736 | netif_wake_queue(bp->dev); | |
737 | ||
738 | netif_tx_unlock(bp->dev); | |
739 | ||
740 | } | |
741 | } | |
742 | ||
743 | static void bnx2x_sp_event(struct bnx2x_fastpath *fp, | |
744 | union eth_rx_cqe *rr_cqe) | |
745 | { | |
746 | struct bnx2x *bp = fp->bp; | |
747 | int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data); | |
748 | int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data); | |
749 | ||
750 | DP(NETIF_MSG_RX_STATUS, | |
751 | "fp %d cid %d got ramrod #%d state is %x type is %d\n", | |
752 | fp->index, cid, command, bp->state, rr_cqe->ramrod_cqe.type); | |
753 | ||
754 | bp->spq_left++; | |
755 | ||
756 | if (fp->index) { | |
757 | switch (command | fp->state) { | |
758 | case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | | |
759 | BNX2X_FP_STATE_OPENING): | |
760 | DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", | |
761 | cid); | |
762 | fp->state = BNX2X_FP_STATE_OPEN; | |
763 | break; | |
764 | ||
765 | case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING): | |
766 | DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", | |
767 | cid); | |
768 | fp->state = BNX2X_FP_STATE_HALTED; | |
769 | break; | |
770 | ||
771 | default: | |
772 | BNX2X_ERR("unexpected MC reply(%d) state is %x\n", | |
773 | command, fp->state); | |
774 | } | |
775 | mb(); /* force bnx2x_wait_ramrod to see the change */ | |
776 | return; | |
777 | } | |
778 | switch (command | bp->state) { | |
779 | case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT): | |
780 | DP(NETIF_MSG_IFUP, "got setup ramrod\n"); | |
781 | bp->state = BNX2X_STATE_OPEN; | |
782 | break; | |
783 | ||
784 | case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT): | |
785 | DP(NETIF_MSG_IFDOWN, "got halt ramrod\n"); | |
786 | bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE; | |
787 | fp->state = BNX2X_FP_STATE_HALTED; | |
788 | break; | |
789 | ||
790 | case (RAMROD_CMD_ID_ETH_PORT_DEL | BNX2X_STATE_CLOSING_WAIT4_DELETE): | |
791 | DP(NETIF_MSG_IFDOWN, "got delete ramrod\n"); | |
792 | bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD; | |
793 | break; | |
794 | ||
795 | case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT): | |
796 | DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid); | |
797 | bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_DELETED; | |
798 | break; | |
799 | ||
800 | case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN): | |
801 | DP(NETIF_MSG_IFUP, "got set mac ramrod\n"); | |
802 | break; | |
803 | ||
804 | default: | |
805 | BNX2X_ERR("unexpected ramrod (%d) state is %x\n", | |
806 | command, bp->state); | |
807 | } | |
808 | ||
809 | mb(); /* force bnx2x_wait_ramrod to see the change */ | |
810 | } | |
811 | ||
812 | static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp, | |
813 | struct bnx2x_fastpath *fp, u16 index) | |
814 | { | |
815 | struct sk_buff *skb; | |
816 | struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index]; | |
817 | struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index]; | |
818 | dma_addr_t mapping; | |
819 | ||
820 | skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); | |
821 | if (unlikely(skb == NULL)) | |
822 | return -ENOMEM; | |
823 | ||
824 | mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size, | |
825 | PCI_DMA_FROMDEVICE); | |
826 | if (unlikely(dma_mapping_error(mapping))) { | |
827 | ||
828 | dev_kfree_skb(skb); | |
829 | return -ENOMEM; | |
830 | } | |
831 | ||
832 | rx_buf->skb = skb; | |
833 | pci_unmap_addr_set(rx_buf, mapping, mapping); | |
834 | ||
835 | rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
836 | rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
837 | ||
838 | return 0; | |
839 | } | |
840 | ||
841 | /* note that we are not allocating a new skb, | |
842 | * we are just moving one from cons to prod | |
843 | * we are not creating a new mapping, | |
844 | * so there is no need to check for dma_mapping_error(). | |
845 | */ | |
846 | static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp, | |
847 | struct sk_buff *skb, u16 cons, u16 prod) | |
848 | { | |
849 | struct bnx2x *bp = fp->bp; | |
850 | struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; | |
851 | struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; | |
852 | struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons]; | |
853 | struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; | |
854 | ||
855 | pci_dma_sync_single_for_device(bp->pdev, | |
856 | pci_unmap_addr(cons_rx_buf, mapping), | |
857 | bp->rx_offset + RX_COPY_THRESH, | |
858 | PCI_DMA_FROMDEVICE); | |
859 | ||
860 | prod_rx_buf->skb = cons_rx_buf->skb; | |
861 | pci_unmap_addr_set(prod_rx_buf, mapping, | |
862 | pci_unmap_addr(cons_rx_buf, mapping)); | |
863 | *prod_bd = *cons_bd; | |
864 | } | |
865 | ||
866 | static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) | |
867 | { | |
868 | struct bnx2x *bp = fp->bp; | |
869 | u16 bd_cons, bd_prod, comp_ring_cons; | |
870 | u16 hw_comp_cons, sw_comp_cons, sw_comp_prod; | |
871 | int rx_pkt = 0; | |
872 | ||
873 | #ifdef BNX2X_STOP_ON_ERROR | |
874 | if (unlikely(bp->panic)) | |
875 | return 0; | |
876 | #endif | |
877 | ||
878 | hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb); | |
879 | if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) | |
880 | hw_comp_cons++; | |
881 | ||
882 | bd_cons = fp->rx_bd_cons; | |
883 | bd_prod = fp->rx_bd_prod; | |
884 | sw_comp_cons = fp->rx_comp_cons; | |
885 | sw_comp_prod = fp->rx_comp_prod; | |
886 | ||
887 | /* Memory barrier necessary as speculative reads of the rx | |
888 | * buffer can be ahead of the index in the status block | |
889 | */ | |
890 | rmb(); | |
891 | ||
892 | DP(NETIF_MSG_RX_STATUS, | |
893 | "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n", | |
894 | fp->index, hw_comp_cons, sw_comp_cons); | |
895 | ||
896 | while (sw_comp_cons != hw_comp_cons) { | |
897 | unsigned int len, pad; | |
898 | struct sw_rx_bd *rx_buf; | |
899 | struct sk_buff *skb; | |
900 | union eth_rx_cqe *cqe; | |
901 | ||
902 | comp_ring_cons = RCQ_BD(sw_comp_cons); | |
903 | bd_prod = RX_BD(bd_prod); | |
904 | bd_cons = RX_BD(bd_cons); | |
905 | ||
906 | cqe = &fp->rx_comp_ring[comp_ring_cons]; | |
907 | ||
908 | DP(NETIF_MSG_RX_STATUS, "hw_comp_cons %u sw_comp_cons %u" | |
909 | " comp_ring (%u) bd_ring (%u,%u)\n", | |
910 | hw_comp_cons, sw_comp_cons, | |
911 | comp_ring_cons, bd_prod, bd_cons); | |
912 | DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x" | |
913 | " queue %x vlan %x len %x\n", | |
914 | cqe->fast_path_cqe.type, | |
915 | cqe->fast_path_cqe.error_type_flags, | |
916 | cqe->fast_path_cqe.status_flags, | |
917 | cqe->fast_path_cqe.rss_hash_result, | |
918 | cqe->fast_path_cqe.vlan_tag, cqe->fast_path_cqe.pkt_len); | |
919 | ||
920 | /* is this a slowpath msg? */ | |
921 | if (unlikely(cqe->fast_path_cqe.type)) { | |
922 | bnx2x_sp_event(fp, cqe); | |
923 | goto next_cqe; | |
924 | ||
925 | /* this is an rx packet */ | |
926 | } else { | |
927 | rx_buf = &fp->rx_buf_ring[bd_cons]; | |
928 | skb = rx_buf->skb; | |
929 | ||
930 | len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); | |
931 | pad = cqe->fast_path_cqe.placement_offset; | |
932 | ||
933 | pci_dma_sync_single_for_device(bp->pdev, | |
934 | pci_unmap_addr(rx_buf, mapping), | |
935 | pad + RX_COPY_THRESH, | |
936 | PCI_DMA_FROMDEVICE); | |
937 | prefetch(skb); | |
938 | prefetch(((char *)(skb)) + 128); | |
939 | ||
940 | /* is this an error packet? */ | |
941 | if (unlikely(cqe->fast_path_cqe.error_type_flags & | |
942 | ETH_RX_ERROR_FALGS)) { | |
943 | /* do we sometimes forward error packets anyway? */ | |
944 | DP(NETIF_MSG_RX_ERR, | |
945 | "ERROR flags(%u) Rx packet(%u)\n", | |
946 | cqe->fast_path_cqe.error_type_flags, | |
947 | sw_comp_cons); | |
948 | /* TBD make sure MC counts this as a drop */ | |
949 | goto reuse_rx; | |
950 | } | |
951 | ||
952 | /* Since we don't have a jumbo ring | |
953 | * copy small packets if mtu > 1500 | |
954 | */ | |
955 | if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) && | |
956 | (len <= RX_COPY_THRESH)) { | |
957 | struct sk_buff *new_skb; | |
958 | ||
959 | new_skb = netdev_alloc_skb(bp->dev, | |
960 | len + pad); | |
961 | if (new_skb == NULL) { | |
962 | DP(NETIF_MSG_RX_ERR, | |
963 | "ERROR packet dropped " | |
964 | "because of alloc failure\n"); | |
965 | /* TBD count this as a drop? */ | |
966 | goto reuse_rx; | |
967 | } | |
968 | ||
969 | /* aligned copy */ | |
970 | skb_copy_from_linear_data_offset(skb, pad, | |
971 | new_skb->data + pad, len); | |
972 | skb_reserve(new_skb, pad); | |
973 | skb_put(new_skb, len); | |
974 | ||
975 | bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); | |
976 | ||
977 | skb = new_skb; | |
978 | ||
979 | } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) { | |
980 | pci_unmap_single(bp->pdev, | |
981 | pci_unmap_addr(rx_buf, mapping), | |
982 | bp->rx_buf_use_size, | |
983 | PCI_DMA_FROMDEVICE); | |
984 | skb_reserve(skb, pad); | |
985 | skb_put(skb, len); | |
986 | ||
987 | } else { | |
988 | DP(NETIF_MSG_RX_ERR, | |
989 | "ERROR packet dropped because " | |
990 | "of alloc failure\n"); | |
991 | reuse_rx: | |
992 | bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); | |
993 | goto next_rx; | |
994 | } | |
995 | ||
996 | skb->protocol = eth_type_trans(skb, bp->dev); | |
997 | ||
998 | skb->ip_summed = CHECKSUM_NONE; | |
999 | if (bp->rx_csum && BNX2X_RX_SUM_OK(cqe)) | |
1000 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1001 | ||
1002 | /* TBD do we pass bad csum packets in promisc */ | |
1003 | } | |
1004 | ||
1005 | #ifdef BCM_VLAN | |
1006 | if ((le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) | |
1007 | & PARSING_FLAGS_NUMBER_OF_NESTED_VLANS) | |
1008 | && (bp->vlgrp != NULL)) | |
1009 | vlan_hwaccel_receive_skb(skb, bp->vlgrp, | |
1010 | le16_to_cpu(cqe->fast_path_cqe.vlan_tag)); | |
1011 | else | |
1012 | #endif | |
1013 | netif_receive_skb(skb); | |
1014 | ||
1015 | bp->dev->last_rx = jiffies; | |
1016 | ||
1017 | next_rx: | |
1018 | rx_buf->skb = NULL; | |
1019 | ||
1020 | bd_cons = NEXT_RX_IDX(bd_cons); | |
1021 | bd_prod = NEXT_RX_IDX(bd_prod); | |
1022 | next_cqe: | |
1023 | sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod); | |
1024 | sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons); | |
1025 | rx_pkt++; | |
1026 | ||
1027 | if ((rx_pkt == budget)) | |
1028 | break; | |
1029 | } /* while */ | |
1030 | ||
1031 | fp->rx_bd_cons = bd_cons; | |
1032 | fp->rx_bd_prod = bd_prod; | |
1033 | fp->rx_comp_cons = sw_comp_cons; | |
1034 | fp->rx_comp_prod = sw_comp_prod; | |
1035 | ||
1036 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
1037 | TSTORM_RCQ_PROD_OFFSET(bp->port, fp->index), sw_comp_prod); | |
1038 | ||
1039 | mmiowb(); /* keep prod updates ordered */ | |
1040 | ||
1041 | fp->rx_pkt += rx_pkt; | |
1042 | fp->rx_calls++; | |
1043 | ||
1044 | return rx_pkt; | |
1045 | } | |
1046 | ||
1047 | static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie) | |
1048 | { | |
1049 | struct bnx2x_fastpath *fp = fp_cookie; | |
1050 | struct bnx2x *bp = fp->bp; | |
1051 | struct net_device *dev = bp->dev; | |
1052 | int index = fp->index; | |
1053 | ||
1054 | DP(NETIF_MSG_INTR, "got an msix interrupt on [%d]\n", index); | |
1055 | bnx2x_ack_sb(bp, index, USTORM_ID, 0, IGU_INT_DISABLE, 0); | |
1056 | ||
1057 | #ifdef BNX2X_STOP_ON_ERROR | |
1058 | if (unlikely(bp->panic)) | |
1059 | return IRQ_HANDLED; | |
1060 | #endif | |
1061 | ||
1062 | prefetch(fp->rx_cons_sb); | |
1063 | prefetch(fp->tx_cons_sb); | |
1064 | prefetch(&fp->status_blk->c_status_block.status_block_index); | |
1065 | prefetch(&fp->status_blk->u_status_block.status_block_index); | |
1066 | ||
1067 | netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi)); | |
1068 | return IRQ_HANDLED; | |
1069 | } | |
1070 | ||
1071 | static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance) | |
1072 | { | |
1073 | struct net_device *dev = dev_instance; | |
1074 | struct bnx2x *bp = netdev_priv(dev); | |
1075 | u16 status = bnx2x_ack_int(bp); | |
1076 | ||
1077 | if (unlikely(status == 0)) { | |
1078 | DP(NETIF_MSG_INTR, "not our interrupt!\n"); | |
1079 | return IRQ_NONE; | |
1080 | } | |
1081 | ||
1082 | DP(NETIF_MSG_INTR, "got an interrupt status is %u\n", status); | |
1083 | ||
1084 | #ifdef BNX2X_STOP_ON_ERROR | |
1085 | if (unlikely(bp->panic)) | |
1086 | return IRQ_HANDLED; | |
1087 | #endif | |
1088 | ||
1089 | /* Return here if interrupt is shared and is disabled */ | |
1090 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
1091 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
1092 | return IRQ_HANDLED; | |
1093 | } | |
1094 | ||
1095 | if (status & 0x2) { | |
1096 | struct bnx2x_fastpath *fp = &bp->fp[0]; | |
1097 | ||
1098 | prefetch(fp->rx_cons_sb); | |
1099 | prefetch(fp->tx_cons_sb); | |
1100 | prefetch(&fp->status_blk->c_status_block.status_block_index); | |
1101 | prefetch(&fp->status_blk->u_status_block.status_block_index); | |
1102 | ||
1103 | netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi)); | |
1104 | ||
1105 | status &= ~0x2; | |
1106 | if (!status) | |
1107 | return IRQ_HANDLED; | |
1108 | } | |
1109 | ||
1110 | if (unlikely(status & 0x1)) { | |
1111 | ||
1112 | schedule_work(&bp->sp_task); | |
1113 | ||
1114 | status &= ~0x1; | |
1115 | if (!status) | |
1116 | return IRQ_HANDLED; | |
1117 | } | |
1118 | ||
1119 | DP(NETIF_MSG_INTR, "got an unknown interrupt! (status is %u)\n", | |
1120 | status); | |
1121 | ||
1122 | return IRQ_HANDLED; | |
1123 | } | |
1124 | ||
1125 | /* end of fast path */ | |
1126 | ||
1127 | /* PHY/MAC */ | |
1128 | ||
1129 | /* | |
1130 | * General service functions | |
1131 | */ | |
1132 | ||
1133 | static void bnx2x_leds_set(struct bnx2x *bp, unsigned int speed) | |
1134 | { | |
1135 | int port = bp->port; | |
1136 | ||
1137 | NIG_WR(NIG_REG_LED_MODE_P0 + port*4, | |
1138 | ((bp->hw_config & SHARED_HW_CFG_LED_MODE_MASK) >> | |
1139 | SHARED_HW_CFG_LED_MODE_SHIFT)); | |
1140 | NIG_WR(NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0); | |
1141 | ||
1142 | /* Set blinking rate to ~15.9Hz */ | |
1143 | NIG_WR(NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, | |
1144 | LED_BLINK_RATE_VAL); | |
1145 | NIG_WR(NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + port*4, 1); | |
1146 | ||
1147 | /* On Ax chip versions for speeds less than 10G | |
1148 | LED scheme is different */ | |
1149 | if ((CHIP_REV(bp) == CHIP_REV_Ax) && (speed < SPEED_10000)) { | |
1150 | NIG_WR(NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 1); | |
1151 | NIG_WR(NIG_REG_LED_CONTROL_TRAFFIC_P0 + port*4, 0); | |
1152 | NIG_WR(NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + port*4, 1); | |
1153 | } | |
1154 | } | |
1155 | ||
1156 | static void bnx2x_leds_unset(struct bnx2x *bp) | |
1157 | { | |
1158 | int port = bp->port; | |
1159 | ||
1160 | NIG_WR(NIG_REG_LED_10G_P0 + port*4, 0); | |
1161 | NIG_WR(NIG_REG_LED_MODE_P0 + port*4, SHARED_HW_CFG_LED_MAC1); | |
1162 | } | |
1163 | ||
1164 | static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits) | |
1165 | { | |
1166 | u32 val = REG_RD(bp, reg); | |
1167 | ||
1168 | val |= bits; | |
1169 | REG_WR(bp, reg, val); | |
1170 | return val; | |
1171 | } | |
1172 | ||
1173 | static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits) | |
1174 | { | |
1175 | u32 val = REG_RD(bp, reg); | |
1176 | ||
1177 | val &= ~bits; | |
1178 | REG_WR(bp, reg, val); | |
1179 | return val; | |
1180 | } | |
1181 | ||
1182 | static int bnx2x_mdio22_write(struct bnx2x *bp, u32 reg, u32 val) | |
1183 | { | |
1184 | int rc; | |
1185 | u32 tmp, i; | |
1186 | int port = bp->port; | |
1187 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
1188 | ||
1189 | /* DP(NETIF_MSG_HW, "phy_addr 0x%x reg 0x%x val 0x%08x\n", | |
1190 | bp->phy_addr, reg, val); */ | |
1191 | ||
1192 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1193 | ||
1194 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1195 | tmp &= ~EMAC_MDIO_MODE_AUTO_POLL; | |
1196 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); | |
1197 | REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1198 | udelay(40); | |
1199 | } | |
1200 | ||
1201 | tmp = ((bp->phy_addr << 21) | (reg << 16) | | |
1202 | (val & EMAC_MDIO_COMM_DATA) | | |
1203 | EMAC_MDIO_COMM_COMMAND_WRITE_22 | | |
1204 | EMAC_MDIO_COMM_START_BUSY); | |
1205 | EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, tmp); | |
1206 | ||
1207 | for (i = 0; i < 50; i++) { | |
1208 | udelay(10); | |
1209 | ||
1210 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); | |
1211 | if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { | |
1212 | udelay(5); | |
1213 | break; | |
1214 | } | |
1215 | } | |
1216 | ||
1217 | if (tmp & EMAC_MDIO_COMM_START_BUSY) { | |
1218 | BNX2X_ERR("write phy register failed\n"); | |
1219 | ||
1220 | rc = -EBUSY; | |
1221 | } else { | |
1222 | rc = 0; | |
1223 | } | |
1224 | ||
1225 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1226 | ||
1227 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1228 | tmp |= EMAC_MDIO_MODE_AUTO_POLL; | |
1229 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); | |
1230 | } | |
1231 | ||
1232 | return rc; | |
1233 | } | |
1234 | ||
1235 | static int bnx2x_mdio22_read(struct bnx2x *bp, u32 reg, u32 *ret_val) | |
1236 | { | |
1237 | int port = bp->port; | |
1238 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
1239 | u32 val, i; | |
1240 | int rc; | |
1241 | ||
1242 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1243 | ||
1244 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1245 | val &= ~EMAC_MDIO_MODE_AUTO_POLL; | |
1246 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); | |
1247 | REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1248 | udelay(40); | |
1249 | } | |
1250 | ||
1251 | val = ((bp->phy_addr << 21) | (reg << 16) | | |
1252 | EMAC_MDIO_COMM_COMMAND_READ_22 | | |
1253 | EMAC_MDIO_COMM_START_BUSY); | |
1254 | EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, val); | |
1255 | ||
1256 | for (i = 0; i < 50; i++) { | |
1257 | udelay(10); | |
1258 | ||
1259 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); | |
1260 | if (!(val & EMAC_MDIO_COMM_START_BUSY)) { | |
1261 | val &= EMAC_MDIO_COMM_DATA; | |
1262 | break; | |
1263 | } | |
1264 | } | |
1265 | ||
1266 | if (val & EMAC_MDIO_COMM_START_BUSY) { | |
1267 | BNX2X_ERR("read phy register failed\n"); | |
1268 | ||
1269 | *ret_val = 0x0; | |
1270 | rc = -EBUSY; | |
1271 | } else { | |
1272 | *ret_val = val; | |
1273 | rc = 0; | |
1274 | } | |
1275 | ||
1276 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1277 | ||
1278 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1279 | val |= EMAC_MDIO_MODE_AUTO_POLL; | |
1280 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); | |
1281 | } | |
1282 | ||
1283 | /* DP(NETIF_MSG_HW, "phy_addr 0x%x reg 0x%x ret_val 0x%08x\n", | |
1284 | bp->phy_addr, reg, *ret_val); */ | |
1285 | ||
1286 | return rc; | |
1287 | } | |
1288 | ||
1289 | static int bnx2x_mdio45_write(struct bnx2x *bp, u32 reg, u32 addr, u32 val) | |
1290 | { | |
1291 | int rc = 0; | |
1292 | u32 tmp, i; | |
1293 | int port = bp->port; | |
1294 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
1295 | ||
1296 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1297 | ||
1298 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1299 | tmp &= ~EMAC_MDIO_MODE_AUTO_POLL; | |
1300 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); | |
1301 | REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1302 | udelay(40); | |
1303 | } | |
1304 | ||
1305 | /* set clause 45 mode */ | |
1306 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1307 | tmp |= EMAC_MDIO_MODE_CLAUSE_45; | |
1308 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); | |
1309 | ||
1310 | /* address */ | |
1311 | tmp = ((bp->phy_addr << 21) | (reg << 16) | addr | | |
1312 | EMAC_MDIO_COMM_COMMAND_ADDRESS | | |
1313 | EMAC_MDIO_COMM_START_BUSY); | |
1314 | EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, tmp); | |
1315 | ||
1316 | for (i = 0; i < 50; i++) { | |
1317 | udelay(10); | |
1318 | ||
1319 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); | |
1320 | if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { | |
1321 | udelay(5); | |
1322 | break; | |
1323 | } | |
1324 | } | |
1325 | ||
1326 | if (tmp & EMAC_MDIO_COMM_START_BUSY) { | |
1327 | BNX2X_ERR("write phy register failed\n"); | |
1328 | ||
1329 | rc = -EBUSY; | |
1330 | } else { | |
1331 | /* data */ | |
1332 | tmp = ((bp->phy_addr << 21) | (reg << 16) | val | | |
1333 | EMAC_MDIO_COMM_COMMAND_WRITE_45 | | |
1334 | EMAC_MDIO_COMM_START_BUSY); | |
1335 | EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, tmp); | |
1336 | ||
1337 | for (i = 0; i < 50; i++) { | |
1338 | udelay(10); | |
1339 | ||
1340 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); | |
1341 | if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { | |
1342 | udelay(5); | |
1343 | break; | |
1344 | } | |
1345 | } | |
1346 | ||
1347 | if (tmp & EMAC_MDIO_COMM_START_BUSY) { | |
1348 | BNX2X_ERR("write phy register failed\n"); | |
1349 | ||
1350 | rc = -EBUSY; | |
1351 | } | |
1352 | } | |
1353 | ||
1354 | /* unset clause 45 mode */ | |
1355 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1356 | tmp &= ~EMAC_MDIO_MODE_CLAUSE_45; | |
1357 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); | |
1358 | ||
1359 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1360 | ||
1361 | tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1362 | tmp |= EMAC_MDIO_MODE_AUTO_POLL; | |
1363 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); | |
1364 | } | |
1365 | ||
1366 | return rc; | |
1367 | } | |
1368 | ||
1369 | static int bnx2x_mdio45_read(struct bnx2x *bp, u32 reg, u32 addr, | |
1370 | u32 *ret_val) | |
1371 | { | |
1372 | int port = bp->port; | |
1373 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
1374 | u32 val, i; | |
1375 | int rc = 0; | |
1376 | ||
1377 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1378 | ||
1379 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1380 | val &= ~EMAC_MDIO_MODE_AUTO_POLL; | |
1381 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); | |
1382 | REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1383 | udelay(40); | |
1384 | } | |
1385 | ||
1386 | /* set clause 45 mode */ | |
1387 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1388 | val |= EMAC_MDIO_MODE_CLAUSE_45; | |
1389 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); | |
1390 | ||
1391 | /* address */ | |
1392 | val = ((bp->phy_addr << 21) | (reg << 16) | addr | | |
1393 | EMAC_MDIO_COMM_COMMAND_ADDRESS | | |
1394 | EMAC_MDIO_COMM_START_BUSY); | |
1395 | EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, val); | |
1396 | ||
1397 | for (i = 0; i < 50; i++) { | |
1398 | udelay(10); | |
1399 | ||
1400 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); | |
1401 | if (!(val & EMAC_MDIO_COMM_START_BUSY)) { | |
1402 | udelay(5); | |
1403 | break; | |
1404 | } | |
1405 | } | |
1406 | ||
1407 | if (val & EMAC_MDIO_COMM_START_BUSY) { | |
1408 | BNX2X_ERR("read phy register failed\n"); | |
1409 | ||
1410 | *ret_val = 0; | |
1411 | rc = -EBUSY; | |
1412 | } else { | |
1413 | /* data */ | |
1414 | val = ((bp->phy_addr << 21) | (reg << 16) | | |
1415 | EMAC_MDIO_COMM_COMMAND_READ_45 | | |
1416 | EMAC_MDIO_COMM_START_BUSY); | |
1417 | EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, val); | |
1418 | ||
1419 | for (i = 0; i < 50; i++) { | |
1420 | udelay(10); | |
1421 | ||
1422 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); | |
1423 | if (!(val & EMAC_MDIO_COMM_START_BUSY)) { | |
1424 | val &= EMAC_MDIO_COMM_DATA; | |
1425 | break; | |
1426 | } | |
1427 | } | |
1428 | ||
1429 | if (val & EMAC_MDIO_COMM_START_BUSY) { | |
1430 | BNX2X_ERR("read phy register failed\n"); | |
1431 | ||
1432 | val = 0; | |
1433 | rc = -EBUSY; | |
1434 | } | |
1435 | ||
1436 | *ret_val = val; | |
1437 | } | |
1438 | ||
1439 | /* unset clause 45 mode */ | |
1440 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1441 | val &= ~EMAC_MDIO_MODE_CLAUSE_45; | |
1442 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); | |
1443 | ||
1444 | if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { | |
1445 | ||
1446 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); | |
1447 | val |= EMAC_MDIO_MODE_AUTO_POLL; | |
1448 | EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); | |
1449 | } | |
1450 | ||
1451 | return rc; | |
1452 | } | |
1453 | ||
1454 | static int bnx2x_mdio45_vwrite(struct bnx2x *bp, u32 reg, u32 addr, u32 val) | |
1455 | { | |
1456 | int i; | |
1457 | u32 rd_val; | |
1458 | ||
1459 | might_sleep(); | |
1460 | for (i = 0; i < 10; i++) { | |
1461 | bnx2x_mdio45_write(bp, reg, addr, val); | |
1462 | msleep(5); | |
1463 | bnx2x_mdio45_read(bp, reg, addr, &rd_val); | |
1464 | /* if the read value is not the same as the value we wrote, | |
1465 | we should write it again */ | |
1466 | if (rd_val == val) | |
1467 | return 0; | |
1468 | } | |
1469 | BNX2X_ERR("MDIO write in CL45 failed\n"); | |
1470 | return -EBUSY; | |
1471 | } | |
1472 | ||
1473 | /* | |
1474 | * link managment | |
1475 | */ | |
1476 | ||
1477 | static void bnx2x_flow_ctrl_resolve(struct bnx2x *bp, u32 gp_status) | |
1478 | { | |
1479 | u32 ld_pause; /* local driver */ | |
1480 | u32 lp_pause; /* link partner */ | |
1481 | u32 pause_result; | |
1482 | ||
1483 | bp->flow_ctrl = 0; | |
1484 | ||
1485 | /* reolve from gp_status in case of AN complete and not sgmii */ | |
1486 | if ((bp->req_autoneg & AUTONEG_FLOW_CTRL) && | |
1487 | (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && | |
1488 | (!(bp->phy_flags & PHY_SGMII_FLAG)) && | |
1489 | (XGXS_EXT_PHY_TYPE(bp) == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) { | |
1490 | ||
1491 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
1492 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_AUTO_NEG_ADV, | |
1493 | &ld_pause); | |
1494 | bnx2x_mdio22_read(bp, | |
1495 | MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1, | |
1496 | &lp_pause); | |
1497 | pause_result = (ld_pause & | |
1498 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5; | |
1499 | pause_result |= (lp_pause & | |
1500 | MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; | |
1501 | DP(NETIF_MSG_LINK, "pause_result 0x%x\n", pause_result); | |
1502 | ||
1503 | switch (pause_result) { /* ASYM P ASYM P */ | |
1504 | case 0xb: /* 1 0 1 1 */ | |
1505 | bp->flow_ctrl = FLOW_CTRL_TX; | |
1506 | break; | |
1507 | ||
1508 | case 0xe: /* 1 1 1 0 */ | |
1509 | bp->flow_ctrl = FLOW_CTRL_RX; | |
1510 | break; | |
1511 | ||
1512 | case 0x5: /* 0 1 0 1 */ | |
1513 | case 0x7: /* 0 1 1 1 */ | |
1514 | case 0xd: /* 1 1 0 1 */ | |
1515 | case 0xf: /* 1 1 1 1 */ | |
1516 | bp->flow_ctrl = FLOW_CTRL_BOTH; | |
1517 | break; | |
1518 | ||
1519 | default: | |
1520 | break; | |
1521 | } | |
1522 | ||
1523 | } else { /* forced mode */ | |
1524 | switch (bp->req_flow_ctrl) { | |
1525 | case FLOW_CTRL_AUTO: | |
1526 | if (bp->dev->mtu <= 4500) | |
1527 | bp->flow_ctrl = FLOW_CTRL_BOTH; | |
1528 | else | |
1529 | bp->flow_ctrl = FLOW_CTRL_TX; | |
1530 | break; | |
1531 | ||
1532 | case FLOW_CTRL_TX: | |
1533 | case FLOW_CTRL_RX: | |
1534 | case FLOW_CTRL_BOTH: | |
1535 | bp->flow_ctrl = bp->req_flow_ctrl; | |
1536 | break; | |
1537 | ||
1538 | case FLOW_CTRL_NONE: | |
1539 | default: | |
1540 | break; | |
1541 | } | |
1542 | } | |
1543 | DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", bp->flow_ctrl); | |
1544 | } | |
1545 | ||
1546 | static void bnx2x_link_settings_status(struct bnx2x *bp, u32 gp_status) | |
1547 | { | |
1548 | bp->link_status = 0; | |
1549 | ||
1550 | if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { | |
1551 | DP(NETIF_MSG_LINK, "link up\n"); | |
1552 | ||
1553 | bp->link_up = 1; | |
1554 | bp->link_status |= LINK_STATUS_LINK_UP; | |
1555 | ||
1556 | if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) | |
1557 | bp->duplex = DUPLEX_FULL; | |
1558 | else | |
1559 | bp->duplex = DUPLEX_HALF; | |
1560 | ||
1561 | bnx2x_flow_ctrl_resolve(bp, gp_status); | |
1562 | ||
1563 | switch (gp_status & GP_STATUS_SPEED_MASK) { | |
1564 | case GP_STATUS_10M: | |
1565 | bp->line_speed = SPEED_10; | |
1566 | if (bp->duplex == DUPLEX_FULL) | |
1567 | bp->link_status |= LINK_10TFD; | |
1568 | else | |
1569 | bp->link_status |= LINK_10THD; | |
1570 | break; | |
1571 | ||
1572 | case GP_STATUS_100M: | |
1573 | bp->line_speed = SPEED_100; | |
1574 | if (bp->duplex == DUPLEX_FULL) | |
1575 | bp->link_status |= LINK_100TXFD; | |
1576 | else | |
1577 | bp->link_status |= LINK_100TXHD; | |
1578 | break; | |
1579 | ||
1580 | case GP_STATUS_1G: | |
1581 | case GP_STATUS_1G_KX: | |
1582 | bp->line_speed = SPEED_1000; | |
1583 | if (bp->duplex == DUPLEX_FULL) | |
1584 | bp->link_status |= LINK_1000TFD; | |
1585 | else | |
1586 | bp->link_status |= LINK_1000THD; | |
1587 | break; | |
1588 | ||
1589 | case GP_STATUS_2_5G: | |
1590 | bp->line_speed = SPEED_2500; | |
1591 | if (bp->duplex == DUPLEX_FULL) | |
1592 | bp->link_status |= LINK_2500TFD; | |
1593 | else | |
1594 | bp->link_status |= LINK_2500THD; | |
1595 | break; | |
1596 | ||
1597 | case GP_STATUS_5G: | |
1598 | case GP_STATUS_6G: | |
1599 | BNX2X_ERR("link speed unsupported gp_status 0x%x\n", | |
1600 | gp_status); | |
1601 | break; | |
1602 | ||
1603 | case GP_STATUS_10G_KX4: | |
1604 | case GP_STATUS_10G_HIG: | |
1605 | case GP_STATUS_10G_CX4: | |
1606 | bp->line_speed = SPEED_10000; | |
1607 | bp->link_status |= LINK_10GTFD; | |
1608 | break; | |
1609 | ||
1610 | case GP_STATUS_12G_HIG: | |
1611 | bp->line_speed = SPEED_12000; | |
1612 | bp->link_status |= LINK_12GTFD; | |
1613 | break; | |
1614 | ||
1615 | case GP_STATUS_12_5G: | |
1616 | bp->line_speed = SPEED_12500; | |
1617 | bp->link_status |= LINK_12_5GTFD; | |
1618 | break; | |
1619 | ||
1620 | case GP_STATUS_13G: | |
1621 | bp->line_speed = SPEED_13000; | |
1622 | bp->link_status |= LINK_13GTFD; | |
1623 | break; | |
1624 | ||
1625 | case GP_STATUS_15G: | |
1626 | bp->line_speed = SPEED_15000; | |
1627 | bp->link_status |= LINK_15GTFD; | |
1628 | break; | |
1629 | ||
1630 | case GP_STATUS_16G: | |
1631 | bp->line_speed = SPEED_16000; | |
1632 | bp->link_status |= LINK_16GTFD; | |
1633 | break; | |
1634 | ||
1635 | default: | |
1636 | BNX2X_ERR("link speed unsupported gp_status 0x%x\n", | |
1637 | gp_status); | |
1638 | break; | |
1639 | } | |
1640 | ||
1641 | bp->link_status |= LINK_STATUS_SERDES_LINK; | |
1642 | ||
1643 | if (bp->req_autoneg & AUTONEG_SPEED) { | |
1644 | bp->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; | |
1645 | ||
1646 | if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) | |
1647 | bp->link_status |= | |
1648 | LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; | |
1649 | ||
1650 | if (bp->autoneg & AUTONEG_PARALLEL) | |
1651 | bp->link_status |= | |
1652 | LINK_STATUS_PARALLEL_DETECTION_USED; | |
1653 | } | |
1654 | ||
1655 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
1656 | bp->link_status |= LINK_STATUS_TX_FLOW_CONTROL_ENABLED; | |
1657 | ||
1658 | if (bp->flow_ctrl & FLOW_CTRL_RX) | |
1659 | bp->link_status |= LINK_STATUS_RX_FLOW_CONTROL_ENABLED; | |
1660 | ||
1661 | } else { /* link_down */ | |
1662 | DP(NETIF_MSG_LINK, "link down\n"); | |
1663 | ||
1664 | bp->link_up = 0; | |
1665 | ||
1666 | bp->line_speed = 0; | |
1667 | bp->duplex = DUPLEX_FULL; | |
1668 | bp->flow_ctrl = 0; | |
1669 | } | |
1670 | ||
1671 | DP(NETIF_MSG_LINK, "gp_status 0x%x link_up %d\n" | |
1672 | DP_LEVEL " line_speed %d duplex %d flow_ctrl 0x%x" | |
1673 | " link_status 0x%x\n", | |
1674 | gp_status, bp->link_up, bp->line_speed, bp->duplex, bp->flow_ctrl, | |
1675 | bp->link_status); | |
1676 | } | |
1677 | ||
1678 | static void bnx2x_link_int_ack(struct bnx2x *bp, int is_10g) | |
1679 | { | |
1680 | int port = bp->port; | |
1681 | ||
1682 | /* first reset all status | |
1683 | * we asume only one line will be change at a time */ | |
1684 | bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
1685 | (NIG_XGXS0_LINK_STATUS | | |
1686 | NIG_SERDES0_LINK_STATUS | | |
1687 | NIG_STATUS_INTERRUPT_XGXS0_LINK10G)); | |
1688 | if (bp->link_up) { | |
1689 | if (is_10g) { | |
1690 | /* Disable the 10G link interrupt | |
1691 | * by writing 1 to the status register | |
1692 | */ | |
1693 | DP(NETIF_MSG_LINK, "10G XGXS link up\n"); | |
1694 | bnx2x_bits_en(bp, | |
1695 | NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
1696 | NIG_STATUS_INTERRUPT_XGXS0_LINK10G); | |
1697 | ||
1698 | } else if (bp->phy_flags & PHY_XGXS_FLAG) { | |
1699 | /* Disable the link interrupt | |
1700 | * by writing 1 to the relevant lane | |
1701 | * in the status register | |
1702 | */ | |
1703 | DP(NETIF_MSG_LINK, "1G XGXS link up\n"); | |
1704 | bnx2x_bits_en(bp, | |
1705 | NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
1706 | ((1 << bp->ser_lane) << | |
1707 | NIG_XGXS0_LINK_STATUS_SIZE)); | |
1708 | ||
1709 | } else { /* SerDes */ | |
1710 | DP(NETIF_MSG_LINK, "SerDes link up\n"); | |
1711 | /* Disable the link interrupt | |
1712 | * by writing 1 to the status register | |
1713 | */ | |
1714 | bnx2x_bits_en(bp, | |
1715 | NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
1716 | NIG_SERDES0_LINK_STATUS); | |
1717 | } | |
1718 | ||
1719 | } else { /* link_down */ | |
1720 | } | |
1721 | } | |
1722 | ||
1723 | static int bnx2x_ext_phy_is_link_up(struct bnx2x *bp) | |
1724 | { | |
1725 | u32 ext_phy_type; | |
1726 | u32 ext_phy_addr; | |
1727 | u32 local_phy; | |
1728 | u32 val = 0; | |
1729 | u32 rx_sd, pcs_status; | |
1730 | ||
1731 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
1732 | local_phy = bp->phy_addr; | |
1733 | ext_phy_addr = ((bp->ext_phy_config & | |
1734 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> | |
1735 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); | |
1736 | bp->phy_addr = (u8)ext_phy_addr; | |
1737 | ||
1738 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp); | |
1739 | switch (ext_phy_type) { | |
1740 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
1741 | DP(NETIF_MSG_LINK, "XGXS Direct\n"); | |
1742 | val = 1; | |
1743 | break; | |
1744 | ||
1745 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
1746 | DP(NETIF_MSG_LINK, "XGXS 8705\n"); | |
1747 | bnx2x_mdio45_read(bp, EXT_PHY_OPT_WIS_DEVAD, | |
1748 | EXT_PHY_OPT_LASI_STATUS, &val); | |
1749 | DP(NETIF_MSG_LINK, "8705 LASI status is %d\n", val); | |
1750 | ||
1751 | bnx2x_mdio45_read(bp, EXT_PHY_OPT_WIS_DEVAD, | |
1752 | EXT_PHY_OPT_LASI_STATUS, &val); | |
1753 | DP(NETIF_MSG_LINK, "8705 LASI status is %d\n", val); | |
1754 | ||
1755 | bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, | |
1756 | EXT_PHY_OPT_PMD_RX_SD, &rx_sd); | |
1757 | val = (rx_sd & 0x1); | |
1758 | break; | |
1759 | ||
1760 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
1761 | DP(NETIF_MSG_LINK, "XGXS 8706\n"); | |
1762 | bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, | |
1763 | EXT_PHY_OPT_LASI_STATUS, &val); | |
1764 | DP(NETIF_MSG_LINK, "8706 LASI status is %d\n", val); | |
1765 | ||
1766 | bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, | |
1767 | EXT_PHY_OPT_LASI_STATUS, &val); | |
1768 | DP(NETIF_MSG_LINK, "8706 LASI status is %d\n", val); | |
1769 | ||
1770 | bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, | |
1771 | EXT_PHY_OPT_PMD_RX_SD, &rx_sd); | |
1772 | bnx2x_mdio45_read(bp, EXT_PHY_OPT_PCS_DEVAD, | |
1773 | EXT_PHY_OPT_PCS_STATUS, &pcs_status); | |
1774 | DP(NETIF_MSG_LINK, "8706 rx_sd 0x%x" | |
1775 | " pcs_status 0x%x\n", rx_sd, pcs_status); | |
1776 | /* link is up if both bit 0 of pmd_rx and | |
1777 | * bit 0 of pcs_status are set | |
1778 | */ | |
1779 | val = (rx_sd & pcs_status); | |
1780 | break; | |
1781 | ||
1782 | default: | |
1783 | DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", | |
1784 | bp->ext_phy_config); | |
1785 | val = 0; | |
1786 | break; | |
1787 | } | |
1788 | bp->phy_addr = local_phy; | |
1789 | ||
1790 | } else { /* SerDes */ | |
1791 | ext_phy_type = SERDES_EXT_PHY_TYPE(bp); | |
1792 | switch (ext_phy_type) { | |
1793 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: | |
1794 | DP(NETIF_MSG_LINK, "SerDes Direct\n"); | |
1795 | val = 1; | |
1796 | break; | |
1797 | ||
1798 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: | |
1799 | DP(NETIF_MSG_LINK, "SerDes 5482\n"); | |
1800 | val = 1; | |
1801 | break; | |
1802 | ||
1803 | default: | |
1804 | DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", | |
1805 | bp->ext_phy_config); | |
1806 | val = 0; | |
1807 | break; | |
1808 | } | |
1809 | } | |
1810 | ||
1811 | return val; | |
1812 | } | |
1813 | ||
1814 | static void bnx2x_bmac_enable(struct bnx2x *bp, int is_lb) | |
1815 | { | |
1816 | int port = bp->port; | |
1817 | u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : | |
1818 | NIG_REG_INGRESS_BMAC0_MEM; | |
1819 | u32 wb_write[2]; | |
1820 | u32 val; | |
1821 | ||
1822 | DP(NETIF_MSG_LINK, "enableing BigMAC\n"); | |
1823 | /* reset and unreset the BigMac */ | |
1824 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
1825 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
1826 | msleep(5); | |
1827 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, | |
1828 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
1829 | ||
1830 | /* enable access for bmac registers */ | |
1831 | NIG_WR(NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); | |
1832 | ||
1833 | /* XGXS control */ | |
1834 | wb_write[0] = 0x3c; | |
1835 | wb_write[1] = 0; | |
1836 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL, | |
1837 | wb_write, 2); | |
1838 | ||
1839 | /* tx MAC SA */ | |
1840 | wb_write[0] = ((bp->dev->dev_addr[2] << 24) | | |
1841 | (bp->dev->dev_addr[3] << 16) | | |
1842 | (bp->dev->dev_addr[4] << 8) | | |
1843 | bp->dev->dev_addr[5]); | |
1844 | wb_write[1] = ((bp->dev->dev_addr[0] << 8) | | |
1845 | bp->dev->dev_addr[1]); | |
1846 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, | |
1847 | wb_write, 2); | |
1848 | ||
1849 | /* tx control */ | |
1850 | val = 0xc0; | |
1851 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
1852 | val |= 0x800000; | |
1853 | wb_write[0] = val; | |
1854 | wb_write[1] = 0; | |
1855 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_write, 2); | |
1856 | ||
1857 | /* set tx mtu */ | |
1858 | wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; /* -CRC */ | |
1859 | wb_write[1] = 0; | |
1860 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_write, 2); | |
1861 | ||
1862 | /* mac control */ | |
1863 | val = 0x3; | |
1864 | if (is_lb) { | |
1865 | val |= 0x4; | |
1866 | DP(NETIF_MSG_LINK, "enable bmac loopback\n"); | |
1867 | } | |
1868 | wb_write[0] = val; | |
1869 | wb_write[1] = 0; | |
1870 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, | |
1871 | wb_write, 2); | |
1872 | ||
1873 | /* rx control set to don't strip crc */ | |
1874 | val = 0x14; | |
1875 | if (bp->flow_ctrl & FLOW_CTRL_RX) | |
1876 | val |= 0x20; | |
1877 | wb_write[0] = val; | |
1878 | wb_write[1] = 0; | |
1879 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_write, 2); | |
1880 | ||
1881 | /* set rx mtu */ | |
1882 | wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; | |
1883 | wb_write[1] = 0; | |
1884 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_write, 2); | |
1885 | ||
1886 | /* set cnt max size */ | |
1887 | wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; /* -VLAN */ | |
1888 | wb_write[1] = 0; | |
1889 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, | |
1890 | wb_write, 2); | |
1891 | ||
1892 | /* configure safc */ | |
1893 | wb_write[0] = 0x1000200; | |
1894 | wb_write[1] = 0; | |
1895 | REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS, | |
1896 | wb_write, 2); | |
1897 | ||
1898 | /* fix for emulation */ | |
1899 | if (CHIP_REV(bp) == CHIP_REV_EMUL) { | |
1900 | wb_write[0] = 0xf000; | |
1901 | wb_write[1] = 0; | |
1902 | REG_WR_DMAE(bp, | |
1903 | bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD, | |
1904 | wb_write, 2); | |
1905 | } | |
1906 | ||
1907 | /* reset old bmac stats */ | |
1908 | memset(&bp->old_bmac, 0, sizeof(struct bmac_stats)); | |
1909 | ||
1910 | NIG_WR(NIG_REG_XCM0_OUT_EN + port*4, 0x0); | |
1911 | ||
1912 | /* select XGXS */ | |
1913 | NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); | |
1914 | NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); | |
1915 | ||
1916 | /* disable the NIG in/out to the emac */ | |
1917 | NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0x0); | |
1918 | NIG_WR(NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); | |
1919 | NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); | |
1920 | ||
1921 | /* enable the NIG in/out to the bmac */ | |
1922 | NIG_WR(NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); | |
1923 | ||
1924 | NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0x1); | |
1925 | val = 0; | |
1926 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
1927 | val = 1; | |
1928 | NIG_WR(NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); | |
1929 | NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0x1); | |
1930 | ||
1931 | bp->phy_flags |= PHY_BMAC_FLAG; | |
1932 | ||
1933 | bp->stats_state = STATS_STATE_ENABLE; | |
1934 | } | |
1935 | ||
1936 | static void bnx2x_emac_enable(struct bnx2x *bp) | |
1937 | { | |
1938 | int port = bp->port; | |
1939 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
1940 | u32 val; | |
1941 | int timeout; | |
1942 | ||
1943 | DP(NETIF_MSG_LINK, "enableing EMAC\n"); | |
1944 | /* reset and unreset the emac core */ | |
1945 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
1946 | (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); | |
1947 | msleep(5); | |
1948 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, | |
1949 | (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); | |
1950 | ||
1951 | /* enable emac and not bmac */ | |
1952 | NIG_WR(NIG_REG_EGRESS_EMAC0_PORT + port*4, 1); | |
1953 | ||
1954 | /* for paladium */ | |
1955 | if (CHIP_REV(bp) == CHIP_REV_EMUL) { | |
1956 | /* Use lane 1 (of lanes 0-3) */ | |
1957 | NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); | |
1958 | NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); | |
1959 | } | |
1960 | /* for fpga */ | |
1961 | else if (CHIP_REV(bp) == CHIP_REV_FPGA) { | |
1962 | /* Use lane 1 (of lanes 0-3) */ | |
1963 | NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); | |
1964 | NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); | |
1965 | } | |
1966 | /* ASIC */ | |
1967 | else { | |
1968 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
1969 | DP(NETIF_MSG_LINK, "XGXS\n"); | |
1970 | /* select the master lanes (out of 0-3) */ | |
1971 | NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, | |
1972 | bp->ser_lane); | |
1973 | /* select XGXS */ | |
1974 | NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); | |
1975 | ||
1976 | } else { /* SerDes */ | |
1977 | DP(NETIF_MSG_LINK, "SerDes\n"); | |
1978 | /* select SerDes */ | |
1979 | NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); | |
1980 | } | |
1981 | } | |
1982 | ||
1983 | /* enable emac */ | |
1984 | NIG_WR(NIG_REG_NIG_EMAC0_EN + port*4, 1); | |
1985 | ||
1986 | /* init emac - use read-modify-write */ | |
1987 | /* self clear reset */ | |
1988 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
1989 | EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET)); | |
1990 | ||
1991 | timeout = 200; | |
1992 | while (val & EMAC_MODE_RESET) { | |
1993 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
1994 | DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); | |
1995 | if (!timeout) { | |
1996 | BNX2X_ERR("EMAC timeout!\n"); | |
1997 | break; | |
1998 | } | |
1999 | timeout--; | |
2000 | } | |
2001 | ||
2002 | /* reset tx part */ | |
2003 | EMAC_WR(EMAC_REG_EMAC_TX_MODE, EMAC_TX_MODE_RESET); | |
2004 | ||
2005 | timeout = 200; | |
2006 | while (val & EMAC_TX_MODE_RESET) { | |
2007 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_TX_MODE); | |
2008 | DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); | |
2009 | if (!timeout) { | |
2010 | BNX2X_ERR("EMAC timeout!\n"); | |
2011 | break; | |
2012 | } | |
2013 | timeout--; | |
2014 | } | |
2015 | ||
2016 | if (CHIP_REV_IS_SLOW(bp)) { | |
2017 | /* config GMII mode */ | |
2018 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
2019 | EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII)); | |
2020 | ||
2021 | } else { /* ASIC */ | |
2022 | /* pause enable/disable */ | |
2023 | bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE, | |
2024 | EMAC_RX_MODE_FLOW_EN); | |
2025 | if (bp->flow_ctrl & FLOW_CTRL_RX) | |
2026 | bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE, | |
2027 | EMAC_RX_MODE_FLOW_EN); | |
2028 | ||
2029 | bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE, | |
2030 | EMAC_TX_MODE_EXT_PAUSE_EN); | |
2031 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
2032 | bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, | |
2033 | EMAC_TX_MODE_EXT_PAUSE_EN); | |
2034 | } | |
2035 | ||
2036 | /* KEEP_VLAN_TAG, promiscous */ | |
2037 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE); | |
2038 | val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; | |
2039 | EMAC_WR(EMAC_REG_EMAC_RX_MODE, val); | |
2040 | ||
2041 | /* identify magic packets */ | |
2042 | val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); | |
2043 | EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_MPKT)); | |
2044 | ||
2045 | /* enable emac for jumbo packets */ | |
2046 | EMAC_WR(EMAC_REG_EMAC_RX_MTU_SIZE, | |
2047 | (EMAC_RX_MTU_SIZE_JUMBO_ENA | | |
2048 | (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD))); /* -VLAN */ | |
2049 | ||
2050 | /* strip CRC */ | |
2051 | NIG_WR(NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1); | |
2052 | ||
2053 | val = ((bp->dev->dev_addr[0] << 8) | | |
2054 | bp->dev->dev_addr[1]); | |
2055 | EMAC_WR(EMAC_REG_EMAC_MAC_MATCH, val); | |
2056 | ||
2057 | val = ((bp->dev->dev_addr[2] << 24) | | |
2058 | (bp->dev->dev_addr[3] << 16) | | |
2059 | (bp->dev->dev_addr[4] << 8) | | |
2060 | bp->dev->dev_addr[5]); | |
2061 | EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + 4, val); | |
2062 | ||
2063 | /* disable the NIG in/out to the bmac */ | |
2064 | NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0x0); | |
2065 | NIG_WR(NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0); | |
2066 | NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0x0); | |
2067 | ||
2068 | /* enable the NIG in/out to the emac */ | |
2069 | NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0x1); | |
2070 | val = 0; | |
2071 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
2072 | val = 1; | |
2073 | NIG_WR(NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val); | |
2074 | NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1); | |
2075 | ||
2076 | if (CHIP_REV(bp) == CHIP_REV_FPGA) { | |
2077 | /* take the BigMac out of reset */ | |
2078 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, | |
2079 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
2080 | ||
2081 | /* enable access for bmac registers */ | |
2082 | NIG_WR(NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); | |
2083 | } | |
2084 | ||
2085 | bp->phy_flags |= PHY_EMAC_FLAG; | |
2086 | ||
2087 | bp->stats_state = STATS_STATE_ENABLE; | |
2088 | } | |
2089 | ||
2090 | static void bnx2x_emac_program(struct bnx2x *bp) | |
2091 | { | |
2092 | u16 mode = 0; | |
2093 | int port = bp->port; | |
2094 | ||
2095 | DP(NETIF_MSG_LINK, "setting link speed & duplex\n"); | |
2096 | bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, | |
2097 | (EMAC_MODE_25G_MODE | | |
2098 | EMAC_MODE_PORT_MII_10M | | |
2099 | EMAC_MODE_HALF_DUPLEX)); | |
2100 | switch (bp->line_speed) { | |
2101 | case SPEED_10: | |
2102 | mode |= EMAC_MODE_PORT_MII_10M; | |
2103 | break; | |
2104 | ||
2105 | case SPEED_100: | |
2106 | mode |= EMAC_MODE_PORT_MII; | |
2107 | break; | |
2108 | ||
2109 | case SPEED_1000: | |
2110 | mode |= EMAC_MODE_PORT_GMII; | |
2111 | break; | |
2112 | ||
2113 | case SPEED_2500: | |
2114 | mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII); | |
2115 | break; | |
2116 | ||
2117 | default: | |
2118 | /* 10G not valid for EMAC */ | |
2119 | BNX2X_ERR("Invalid line_speed 0x%x\n", bp->line_speed); | |
2120 | break; | |
2121 | } | |
2122 | ||
2123 | if (bp->duplex == DUPLEX_HALF) | |
2124 | mode |= EMAC_MODE_HALF_DUPLEX; | |
2125 | bnx2x_bits_en(bp, GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, | |
2126 | mode); | |
2127 | ||
2128 | bnx2x_leds_set(bp, bp->line_speed); | |
2129 | } | |
2130 | ||
2131 | static void bnx2x_set_sgmii_tx_driver(struct bnx2x *bp) | |
2132 | { | |
2133 | u32 lp_up2; | |
2134 | u32 tx_driver; | |
2135 | ||
2136 | /* read precomp */ | |
2137 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_OVER_1G); | |
2138 | bnx2x_mdio22_read(bp, MDIO_OVER_1G_LP_UP2, &lp_up2); | |
2139 | ||
2140 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_TX0); | |
2141 | bnx2x_mdio22_read(bp, MDIO_TX0_TX_DRIVER, &tx_driver); | |
2142 | ||
2143 | /* bits [10:7] at lp_up2, positioned at [15:12] */ | |
2144 | lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >> | |
2145 | MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) << | |
2146 | MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT); | |
2147 | ||
2148 | if ((lp_up2 != 0) && | |
2149 | (lp_up2 != (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK))) { | |
2150 | /* replace tx_driver bits [15:12] */ | |
2151 | tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; | |
2152 | tx_driver |= lp_up2; | |
2153 | bnx2x_mdio22_write(bp, MDIO_TX0_TX_DRIVER, tx_driver); | |
2154 | } | |
2155 | } | |
2156 | ||
2157 | static void bnx2x_pbf_update(struct bnx2x *bp) | |
2158 | { | |
2159 | int port = bp->port; | |
2160 | u32 init_crd, crd; | |
2161 | u32 count = 1000; | |
2162 | u32 pause = 0; | |
2163 | ||
2164 | ||
2165 | /* disable port */ | |
2166 | REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); | |
2167 | ||
2168 | /* wait for init credit */ | |
2169 | init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4); | |
2170 | crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); | |
2171 | DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd); | |
2172 | ||
2173 | while ((init_crd != crd) && count) { | |
2174 | msleep(5); | |
2175 | ||
2176 | crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); | |
2177 | count--; | |
2178 | } | |
2179 | crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); | |
2180 | if (init_crd != crd) | |
2181 | BNX2X_ERR("BUG! init_crd 0x%x != crd 0x%x\n", init_crd, crd); | |
2182 | ||
2183 | if (bp->flow_ctrl & FLOW_CTRL_RX) | |
2184 | pause = 1; | |
2185 | REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, pause); | |
2186 | if (pause) { | |
2187 | /* update threshold */ | |
2188 | REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0); | |
2189 | /* update init credit */ | |
2190 | init_crd = 778; /* (800-18-4) */ | |
2191 | ||
2192 | } else { | |
2193 | u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)/16; | |
2194 | ||
2195 | /* update threshold */ | |
2196 | REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); | |
2197 | /* update init credit */ | |
2198 | switch (bp->line_speed) { | |
2199 | case SPEED_10: | |
2200 | case SPEED_100: | |
2201 | case SPEED_1000: | |
2202 | init_crd = thresh + 55 - 22; | |
2203 | break; | |
2204 | ||
2205 | case SPEED_2500: | |
2206 | init_crd = thresh + 138 - 22; | |
2207 | break; | |
2208 | ||
2209 | case SPEED_10000: | |
2210 | init_crd = thresh + 553 - 22; | |
2211 | break; | |
2212 | ||
2213 | default: | |
2214 | BNX2X_ERR("Invalid line_speed 0x%x\n", | |
2215 | bp->line_speed); | |
2216 | break; | |
2217 | } | |
2218 | } | |
2219 | REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd); | |
2220 | DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n", | |
2221 | bp->line_speed, init_crd); | |
2222 | ||
2223 | /* probe the credit changes */ | |
2224 | REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1); | |
2225 | msleep(5); | |
2226 | REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0); | |
2227 | ||
2228 | /* enable port */ | |
2229 | REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0); | |
2230 | } | |
2231 | ||
2232 | static void bnx2x_update_mng(struct bnx2x *bp) | |
2233 | { | |
2234 | if (!nomcp) | |
2235 | SHMEM_WR(bp, drv_fw_mb[bp->port].link_status, | |
2236 | bp->link_status); | |
2237 | } | |
2238 | ||
2239 | static void bnx2x_link_report(struct bnx2x *bp) | |
2240 | { | |
2241 | if (bp->link_up) { | |
2242 | netif_carrier_on(bp->dev); | |
2243 | printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name); | |
2244 | ||
2245 | printk("%d Mbps ", bp->line_speed); | |
2246 | ||
2247 | if (bp->duplex == DUPLEX_FULL) | |
2248 | printk("full duplex"); | |
2249 | else | |
2250 | printk("half duplex"); | |
2251 | ||
2252 | if (bp->flow_ctrl) { | |
2253 | if (bp->flow_ctrl & FLOW_CTRL_RX) { | |
2254 | printk(", receive "); | |
2255 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
2256 | printk("& transmit "); | |
2257 | } else { | |
2258 | printk(", transmit "); | |
2259 | } | |
2260 | printk("flow control ON"); | |
2261 | } | |
2262 | printk("\n"); | |
2263 | ||
2264 | } else { /* link_down */ | |
2265 | netif_carrier_off(bp->dev); | |
2266 | printk(KERN_INFO PFX "%s NIC Link is Down\n", bp->dev->name); | |
2267 | } | |
2268 | } | |
2269 | ||
2270 | static void bnx2x_link_up(struct bnx2x *bp) | |
2271 | { | |
2272 | int port = bp->port; | |
2273 | ||
2274 | /* PBF - link up */ | |
2275 | bnx2x_pbf_update(bp); | |
2276 | ||
2277 | /* disable drain */ | |
2278 | NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); | |
2279 | ||
2280 | /* update shared memory */ | |
2281 | bnx2x_update_mng(bp); | |
2282 | ||
2283 | /* indicate link up */ | |
2284 | bnx2x_link_report(bp); | |
2285 | } | |
2286 | ||
2287 | static void bnx2x_link_down(struct bnx2x *bp) | |
2288 | { | |
2289 | int port = bp->port; | |
2290 | ||
2291 | /* notify stats */ | |
2292 | if (bp->stats_state != STATS_STATE_DISABLE) { | |
2293 | bp->stats_state = STATS_STATE_STOP; | |
2294 | DP(BNX2X_MSG_STATS, "stats_state - STOP\n"); | |
2295 | } | |
2296 | ||
2297 | /* indicate link down */ | |
2298 | bp->phy_flags &= ~(PHY_BMAC_FLAG | PHY_EMAC_FLAG); | |
2299 | ||
2300 | /* reset BigMac */ | |
2301 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
2302 | (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); | |
2303 | ||
2304 | /* ignore drain flag interrupt */ | |
2305 | /* activate nig drain */ | |
2306 | NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); | |
2307 | ||
2308 | /* update shared memory */ | |
2309 | bnx2x_update_mng(bp); | |
2310 | ||
2311 | /* indicate link down */ | |
2312 | bnx2x_link_report(bp); | |
2313 | } | |
2314 | ||
2315 | static void bnx2x_init_mac_stats(struct bnx2x *bp); | |
2316 | ||
2317 | /* This function is called upon link interrupt */ | |
2318 | static void bnx2x_link_update(struct bnx2x *bp) | |
2319 | { | |
2320 | u32 gp_status; | |
2321 | int port = bp->port; | |
2322 | int i; | |
2323 | int link_10g; | |
2324 | ||
2325 | DP(NETIF_MSG_LINK, "port %x, is xgxs %x, stat_mask 0x%x," | |
2326 | " int_mask 0x%x, saved_mask 0x%x, MI_INT %x, SERDES_LINK %x," | |
2327 | " 10G %x, XGXS_LINK %x\n", port, (bp->phy_flags & PHY_XGXS_FLAG), | |
2328 | REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4), | |
2329 | REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), bp->nig_mask, | |
2330 | REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), | |
2331 | REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c), | |
2332 | REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), | |
2333 | REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68) | |
2334 | ); | |
2335 | ||
2336 | might_sleep(); | |
2337 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_GP_STATUS); | |
2338 | /* avoid fast toggling */ | |
2339 | for (i = 0 ; i < 10 ; i++) { | |
2340 | msleep(10); | |
2341 | bnx2x_mdio22_read(bp, MDIO_GP_STATUS_TOP_AN_STATUS1, | |
2342 | &gp_status); | |
2343 | } | |
2344 | ||
2345 | bnx2x_link_settings_status(bp, gp_status); | |
2346 | ||
2347 | /* anything 10 and over uses the bmac */ | |
2348 | link_10g = ((bp->line_speed >= SPEED_10000) && | |
2349 | (bp->line_speed <= SPEED_16000)); | |
2350 | ||
2351 | bnx2x_link_int_ack(bp, link_10g); | |
2352 | ||
2353 | /* link is up only if both local phy and external phy are up */ | |
2354 | if (bp->link_up && bnx2x_ext_phy_is_link_up(bp)) { | |
2355 | if (link_10g) { | |
2356 | bnx2x_bmac_enable(bp, 0); | |
2357 | bnx2x_leds_set(bp, SPEED_10000); | |
2358 | ||
2359 | } else { | |
2360 | bnx2x_emac_enable(bp); | |
2361 | bnx2x_emac_program(bp); | |
2362 | ||
2363 | /* AN complete? */ | |
2364 | if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) { | |
2365 | if (!(bp->phy_flags & PHY_SGMII_FLAG)) | |
2366 | bnx2x_set_sgmii_tx_driver(bp); | |
2367 | } | |
2368 | } | |
2369 | bnx2x_link_up(bp); | |
2370 | ||
2371 | } else { /* link down */ | |
2372 | bnx2x_leds_unset(bp); | |
2373 | bnx2x_link_down(bp); | |
2374 | } | |
2375 | ||
2376 | bnx2x_init_mac_stats(bp); | |
2377 | } | |
2378 | ||
2379 | /* | |
2380 | * Init service functions | |
2381 | */ | |
2382 | ||
2383 | static void bnx2x_set_aer_mmd(struct bnx2x *bp) | |
2384 | { | |
2385 | u16 offset = (bp->phy_flags & PHY_XGXS_FLAG) ? | |
2386 | (bp->phy_addr + bp->ser_lane) : 0; | |
2387 | ||
2388 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_AER_BLOCK); | |
2389 | bnx2x_mdio22_write(bp, MDIO_AER_BLOCK_AER_REG, 0x3800 + offset); | |
2390 | } | |
2391 | ||
2392 | static void bnx2x_set_master_ln(struct bnx2x *bp) | |
2393 | { | |
2394 | u32 new_master_ln; | |
2395 | ||
2396 | /* set the master_ln for AN */ | |
2397 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2); | |
2398 | bnx2x_mdio22_read(bp, MDIO_XGXS_BLOCK2_TEST_MODE_LANE, | |
2399 | &new_master_ln); | |
2400 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TEST_MODE_LANE, | |
2401 | (new_master_ln | bp->ser_lane)); | |
2402 | } | |
2403 | ||
2404 | static void bnx2x_reset_unicore(struct bnx2x *bp) | |
2405 | { | |
2406 | u32 mii_control; | |
2407 | int i; | |
2408 | ||
2409 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2410 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); | |
2411 | /* reset the unicore */ | |
2412 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
2413 | (mii_control | MDIO_COMBO_IEEO_MII_CONTROL_RESET)); | |
2414 | ||
2415 | /* wait for the reset to self clear */ | |
2416 | for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) { | |
2417 | udelay(5); | |
2418 | ||
2419 | /* the reset erased the previous bank value */ | |
2420 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2421 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
2422 | &mii_control); | |
2423 | ||
2424 | if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) { | |
2425 | udelay(5); | |
2426 | return; | |
2427 | } | |
2428 | } | |
2429 | ||
2430 | BNX2X_ERR("BUG! unicore is still in reset!\n"); | |
2431 | } | |
2432 | ||
2433 | static void bnx2x_set_swap_lanes(struct bnx2x *bp) | |
2434 | { | |
2435 | /* Each two bits represents a lane number: | |
2436 | No swap is 0123 => 0x1b no need to enable the swap */ | |
2437 | ||
2438 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2); | |
2439 | if (bp->rx_lane_swap != 0x1b) { | |
2440 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_RX_LN_SWAP, | |
2441 | (bp->rx_lane_swap | | |
2442 | MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE | | |
2443 | MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE)); | |
2444 | } else { | |
2445 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); | |
2446 | } | |
2447 | ||
2448 | if (bp->tx_lane_swap != 0x1b) { | |
2449 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TX_LN_SWAP, | |
2450 | (bp->tx_lane_swap | | |
2451 | MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE)); | |
2452 | } else { | |
2453 | bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); | |
2454 | } | |
2455 | } | |
2456 | ||
2457 | static void bnx2x_set_parallel_detection(struct bnx2x *bp) | |
2458 | { | |
2459 | u32 control2; | |
2460 | ||
2461 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); | |
2462 | bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, | |
2463 | &control2); | |
2464 | ||
2465 | if (bp->autoneg & AUTONEG_PARALLEL) { | |
2466 | control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; | |
2467 | } else { | |
2468 | control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; | |
2469 | } | |
2470 | bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, | |
2471 | control2); | |
2472 | ||
2473 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
2474 | DP(NETIF_MSG_LINK, "XGXS\n"); | |
2475 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_10G_PARALLEL_DETECT); | |
2476 | ||
2477 | bnx2x_mdio22_write(bp, | |
2478 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, | |
2479 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); | |
2480 | ||
2481 | bnx2x_mdio22_read(bp, | |
2482 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, | |
2483 | &control2); | |
2484 | ||
2485 | if (bp->autoneg & AUTONEG_PARALLEL) { | |
2486 | control2 |= | |
2487 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; | |
2488 | } else { | |
2489 | control2 &= | |
2490 | ~MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; | |
2491 | } | |
2492 | bnx2x_mdio22_write(bp, | |
2493 | MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, | |
2494 | control2); | |
2495 | } | |
2496 | } | |
2497 | ||
2498 | static void bnx2x_set_autoneg(struct bnx2x *bp) | |
2499 | { | |
2500 | u32 reg_val; | |
2501 | ||
2502 | /* CL37 Autoneg */ | |
2503 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2504 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); | |
2505 | if ((bp->req_autoneg & AUTONEG_SPEED) && | |
2506 | (bp->autoneg & AUTONEG_CL37)) { | |
2507 | /* CL37 Autoneg Enabled */ | |
2508 | reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN; | |
2509 | } else { | |
2510 | /* CL37 Autoneg Disabled */ | |
2511 | reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | | |
2512 | MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN); | |
2513 | } | |
2514 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); | |
2515 | ||
2516 | /* Enable/Disable Autodetection */ | |
2517 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); | |
2518 | bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); | |
2519 | reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN; | |
2520 | ||
2521 | if ((bp->req_autoneg & AUTONEG_SPEED) && | |
2522 | (bp->autoneg & AUTONEG_SGMII_FIBER_AUTODET)) { | |
2523 | reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; | |
2524 | } else { | |
2525 | reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; | |
2526 | } | |
2527 | bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); | |
2528 | ||
2529 | /* Enable TetonII and BAM autoneg */ | |
2530 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_BAM_NEXT_PAGE); | |
2531 | bnx2x_mdio22_read(bp, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, | |
2532 | ®_val); | |
2533 | if ((bp->req_autoneg & AUTONEG_SPEED) && | |
2534 | (bp->autoneg & AUTONEG_CL37) && (bp->autoneg & AUTONEG_BAM)) { | |
2535 | /* Enable BAM aneg Mode and TetonII aneg Mode */ | |
2536 | reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | | |
2537 | MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); | |
2538 | } else { | |
2539 | /* TetonII and BAM Autoneg Disabled */ | |
2540 | reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | | |
2541 | MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); | |
2542 | } | |
2543 | bnx2x_mdio22_write(bp, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, | |
2544 | reg_val); | |
2545 | ||
2546 | /* Enable Clause 73 Aneg */ | |
2547 | if ((bp->req_autoneg & AUTONEG_SPEED) && | |
2548 | (bp->autoneg & AUTONEG_CL73)) { | |
2549 | /* Enable BAM Station Manager */ | |
2550 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_USERB0); | |
2551 | bnx2x_mdio22_write(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL1, | |
2552 | (MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN | | |
2553 | MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN | | |
2554 | MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN)); | |
2555 | ||
2556 | /* Merge CL73 and CL37 aneg resolution */ | |
2557 | bnx2x_mdio22_read(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL3, | |
2558 | ®_val); | |
2559 | bnx2x_mdio22_write(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL3, | |
2560 | (reg_val | | |
2561 | MDIO_CL73_USERB0_CL73_BAM_CTRL3_USE_CL73_HCD_MR)); | |
2562 | ||
2563 | /* Set the CL73 AN speed */ | |
2564 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB1); | |
2565 | bnx2x_mdio22_read(bp, MDIO_CL73_IEEEB1_AN_ADV2, ®_val); | |
2566 | /* In the SerDes we support only the 1G. | |
2567 | In the XGXS we support the 10G KX4 | |
2568 | but we currently do not support the KR */ | |
2569 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
2570 | DP(NETIF_MSG_LINK, "XGXS\n"); | |
2571 | /* 10G KX4 */ | |
2572 | reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; | |
2573 | } else { | |
2574 | DP(NETIF_MSG_LINK, "SerDes\n"); | |
2575 | /* 1000M KX */ | |
2576 | reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; | |
2577 | } | |
2578 | bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB1_AN_ADV2, reg_val); | |
2579 | ||
2580 | /* CL73 Autoneg Enabled */ | |
2581 | reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN; | |
2582 | } else { | |
2583 | /* CL73 Autoneg Disabled */ | |
2584 | reg_val = 0; | |
2585 | } | |
2586 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0); | |
2587 | bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); | |
2588 | } | |
2589 | ||
2590 | /* program SerDes, forced speed */ | |
2591 | static void bnx2x_program_serdes(struct bnx2x *bp) | |
2592 | { | |
2593 | u32 reg_val; | |
2594 | ||
2595 | /* program duplex, disable autoneg */ | |
2596 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2597 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); | |
2598 | reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX | | |
2599 | MDIO_COMBO_IEEO_MII_CONTROL_AN_EN); | |
2600 | if (bp->req_duplex == DUPLEX_FULL) | |
2601 | reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; | |
2602 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); | |
2603 | ||
2604 | /* program speed | |
2605 | - needed only if the speed is greater than 1G (2.5G or 10G) */ | |
2606 | if (bp->req_line_speed > SPEED_1000) { | |
2607 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); | |
2608 | bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_MISC1, ®_val); | |
2609 | /* clearing the speed value before setting the right speed */ | |
2610 | reg_val &= ~MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK; | |
2611 | reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | | |
2612 | MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); | |
2613 | if (bp->req_line_speed == SPEED_10000) | |
2614 | reg_val |= | |
2615 | MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; | |
2616 | bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_MISC1, reg_val); | |
2617 | } | |
2618 | } | |
2619 | ||
2620 | static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x *bp) | |
2621 | { | |
2622 | u32 val = 0; | |
2623 | ||
2624 | /* configure the 48 bits for BAM AN */ | |
2625 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_OVER_1G); | |
2626 | ||
2627 | /* set extended capabilities */ | |
2628 | if (bp->advertising & ADVERTISED_2500baseT_Full) | |
2629 | val |= MDIO_OVER_1G_UP1_2_5G; | |
2630 | if (bp->advertising & ADVERTISED_10000baseT_Full) | |
2631 | val |= MDIO_OVER_1G_UP1_10G; | |
2632 | bnx2x_mdio22_write(bp, MDIO_OVER_1G_UP1, val); | |
2633 | ||
2634 | bnx2x_mdio22_write(bp, MDIO_OVER_1G_UP3, 0); | |
2635 | } | |
2636 | ||
2637 | static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x *bp) | |
2638 | { | |
2639 | u32 an_adv; | |
2640 | ||
2641 | /* for AN, we are always publishing full duplex */ | |
2642 | an_adv = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; | |
2643 | ||
2644 | /* set pause */ | |
2645 | switch (bp->pause_mode) { | |
2646 | case PAUSE_SYMMETRIC: | |
2647 | an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC; | |
2648 | break; | |
2649 | case PAUSE_ASYMMETRIC: | |
2650 | an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; | |
2651 | break; | |
2652 | case PAUSE_BOTH: | |
2653 | an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; | |
2654 | break; | |
2655 | case PAUSE_NONE: | |
2656 | an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; | |
2657 | break; | |
2658 | } | |
2659 | ||
2660 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2661 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_AUTO_NEG_ADV, an_adv); | |
2662 | } | |
2663 | ||
2664 | static void bnx2x_restart_autoneg(struct bnx2x *bp) | |
2665 | { | |
2666 | if (bp->autoneg & AUTONEG_CL73) { | |
2667 | /* enable and restart clause 73 aneg */ | |
2668 | u32 an_ctrl; | |
2669 | ||
2670 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0); | |
2671 | bnx2x_mdio22_read(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, | |
2672 | &an_ctrl); | |
2673 | bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, | |
2674 | (an_ctrl | | |
2675 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | | |
2676 | MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); | |
2677 | ||
2678 | } else { | |
2679 | /* Enable and restart BAM/CL37 aneg */ | |
2680 | u32 mii_control; | |
2681 | ||
2682 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2683 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
2684 | &mii_control); | |
2685 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
2686 | (mii_control | | |
2687 | MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | | |
2688 | MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN)); | |
2689 | } | |
2690 | } | |
2691 | ||
2692 | static void bnx2x_initialize_sgmii_process(struct bnx2x *bp) | |
2693 | { | |
2694 | u32 control1; | |
2695 | ||
2696 | /* in SGMII mode, the unicore is always slave */ | |
2697 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); | |
2698 | bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, | |
2699 | &control1); | |
2700 | control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT; | |
2701 | /* set sgmii mode (and not fiber) */ | |
2702 | control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE | | |
2703 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET | | |
2704 | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE); | |
2705 | bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, | |
2706 | control1); | |
2707 | ||
2708 | /* if forced speed */ | |
2709 | if (!(bp->req_autoneg & AUTONEG_SPEED)) { | |
2710 | /* set speed, disable autoneg */ | |
2711 | u32 mii_control; | |
2712 | ||
2713 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
2714 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
2715 | &mii_control); | |
2716 | mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | | |
2717 | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK | | |
2718 | MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); | |
2719 | ||
2720 | switch (bp->req_line_speed) { | |
2721 | case SPEED_100: | |
2722 | mii_control |= | |
2723 | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; | |
2724 | break; | |
2725 | case SPEED_1000: | |
2726 | mii_control |= | |
2727 | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000; | |
2728 | break; | |
2729 | case SPEED_10: | |
2730 | /* there is nothing to set for 10M */ | |
2731 | break; | |
2732 | default: | |
2733 | /* invalid speed for SGMII */ | |
2734 | DP(NETIF_MSG_LINK, "Invalid req_line_speed 0x%x\n", | |
2735 | bp->req_line_speed); | |
2736 | break; | |
2737 | } | |
2738 | ||
2739 | /* setting the full duplex */ | |
2740 | if (bp->req_duplex == DUPLEX_FULL) | |
2741 | mii_control |= | |
2742 | MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; | |
2743 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
2744 | mii_control); | |
2745 | ||
2746 | } else { /* AN mode */ | |
2747 | /* enable and restart AN */ | |
2748 | bnx2x_restart_autoneg(bp); | |
2749 | } | |
2750 | } | |
2751 | ||
2752 | static void bnx2x_link_int_enable(struct bnx2x *bp) | |
2753 | { | |
2754 | int port = bp->port; | |
2755 | ||
2756 | /* setting the status to report on link up | |
2757 | for either XGXS or SerDes */ | |
2758 | bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, | |
2759 | (NIG_XGXS0_LINK_STATUS | | |
2760 | NIG_STATUS_INTERRUPT_XGXS0_LINK10G | | |
2761 | NIG_SERDES0_LINK_STATUS)); | |
2762 | ||
2763 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
2764 | /* TBD - | |
2765 | * in force mode (not AN) we can enable just the relevant | |
2766 | * interrupt | |
2767 | * Even in AN we might enable only one according to the AN | |
2768 | * speed mask | |
2769 | */ | |
2770 | bnx2x_bits_en(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
2771 | (NIG_MASK_XGXS0_LINK_STATUS | | |
2772 | NIG_MASK_XGXS0_LINK10G)); | |
2773 | DP(NETIF_MSG_LINK, "enable XGXS interrupt\n"); | |
2774 | ||
2775 | } else { /* SerDes */ | |
2776 | bnx2x_bits_en(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
2777 | NIG_MASK_SERDES0_LINK_STATUS); | |
2778 | DP(NETIF_MSG_LINK, "enable SerDes interrupt\n"); | |
2779 | } | |
2780 | } | |
2781 | ||
2782 | static void bnx2x_ext_phy_init(struct bnx2x *bp) | |
2783 | { | |
2784 | int port = bp->port; | |
2785 | u32 ext_phy_type; | |
2786 | u32 ext_phy_addr; | |
2787 | u32 local_phy; | |
2788 | ||
2789 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
2790 | local_phy = bp->phy_addr; | |
2791 | ext_phy_addr = ((bp->ext_phy_config & | |
2792 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> | |
2793 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); | |
2794 | ||
2795 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp); | |
2796 | switch (ext_phy_type) { | |
2797 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
2798 | DP(NETIF_MSG_LINK, "XGXS Direct\n"); | |
2799 | break; | |
2800 | ||
2801 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
2802 | DP(NETIF_MSG_LINK, "XGXS 8705\n"); | |
2803 | bnx2x_bits_en(bp, | |
2804 | NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
2805 | NIG_MASK_MI_INT); | |
2806 | DP(NETIF_MSG_LINK, "enabled extenal phy int\n"); | |
2807 | ||
2808 | bp->phy_addr = ext_phy_type; | |
2809 | bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2810 | EXT_PHY_OPT_PMD_MISC_CNTL, | |
2811 | 0x8288); | |
2812 | bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2813 | EXT_PHY_OPT_PHY_IDENTIFIER, | |
2814 | 0x7fbf); | |
2815 | bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2816 | EXT_PHY_OPT_CMU_PLL_BYPASS, | |
2817 | 0x0100); | |
2818 | bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_WIS_DEVAD, | |
2819 | EXT_PHY_OPT_LASI_CNTL, 0x1); | |
2820 | break; | |
2821 | ||
2822 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
2823 | DP(NETIF_MSG_LINK, "XGXS 8706\n"); | |
2824 | bnx2x_bits_en(bp, | |
2825 | NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
2826 | NIG_MASK_MI_INT); | |
2827 | DP(NETIF_MSG_LINK, "enabled extenal phy int\n"); | |
2828 | ||
2829 | bp->phy_addr = ext_phy_type; | |
2830 | bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2831 | EXT_PHY_OPT_PMD_DIGITAL_CNT, | |
2832 | 0x400); | |
2833 | bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2834 | EXT_PHY_OPT_LASI_CNTL, 0x1); | |
2835 | break; | |
2836 | ||
2837 | default: | |
2838 | DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", | |
2839 | bp->ext_phy_config); | |
2840 | break; | |
2841 | } | |
2842 | bp->phy_addr = local_phy; | |
2843 | ||
2844 | } else { /* SerDes */ | |
2845 | /* ext_phy_addr = ((bp->ext_phy_config & | |
2846 | PORT_HW_CFG_SERDES_EXT_PHY_ADDR_MASK) >> | |
2847 | PORT_HW_CFG_SERDES_EXT_PHY_ADDR_SHIFT); | |
2848 | */ | |
2849 | ext_phy_type = SERDES_EXT_PHY_TYPE(bp); | |
2850 | switch (ext_phy_type) { | |
2851 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: | |
2852 | DP(NETIF_MSG_LINK, "SerDes Direct\n"); | |
2853 | break; | |
2854 | ||
2855 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: | |
2856 | DP(NETIF_MSG_LINK, "SerDes 5482\n"); | |
2857 | bnx2x_bits_en(bp, | |
2858 | NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
2859 | NIG_MASK_MI_INT); | |
2860 | DP(NETIF_MSG_LINK, "enabled extenal phy int\n"); | |
2861 | break; | |
2862 | ||
2863 | default: | |
2864 | DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", | |
2865 | bp->ext_phy_config); | |
2866 | break; | |
2867 | } | |
2868 | } | |
2869 | } | |
2870 | ||
2871 | static void bnx2x_ext_phy_reset(struct bnx2x *bp) | |
2872 | { | |
2873 | u32 ext_phy_type; | |
2874 | u32 ext_phy_addr; | |
2875 | u32 local_phy; | |
2876 | ||
2877 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
2878 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp); | |
2879 | switch (ext_phy_type) { | |
2880 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
2881 | DP(NETIF_MSG_LINK, "XGXS Direct\n"); | |
2882 | break; | |
2883 | ||
2884 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
2885 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
2886 | DP(NETIF_MSG_LINK, "XGXS 8705/6\n"); | |
2887 | local_phy = bp->phy_addr; | |
2888 | ext_phy_addr = ((bp->ext_phy_config & | |
2889 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> | |
2890 | PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); | |
2891 | bp->phy_addr = (u8)ext_phy_addr; | |
2892 | bnx2x_mdio45_write(bp, EXT_PHY_OPT_PMA_PMD_DEVAD, | |
2893 | EXT_PHY_OPT_CNTL, 0xa040); | |
2894 | bp->phy_addr = local_phy; | |
2895 | break; | |
2896 | ||
2897 | default: | |
2898 | DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", | |
2899 | bp->ext_phy_config); | |
2900 | break; | |
2901 | } | |
2902 | ||
2903 | } else { /* SerDes */ | |
2904 | ext_phy_type = SERDES_EXT_PHY_TYPE(bp); | |
2905 | switch (ext_phy_type) { | |
2906 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: | |
2907 | DP(NETIF_MSG_LINK, "SerDes Direct\n"); | |
2908 | break; | |
2909 | ||
2910 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: | |
2911 | DP(NETIF_MSG_LINK, "SerDes 5482\n"); | |
2912 | break; | |
2913 | ||
2914 | default: | |
2915 | DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", | |
2916 | bp->ext_phy_config); | |
2917 | break; | |
2918 | } | |
2919 | } | |
2920 | } | |
2921 | ||
2922 | static void bnx2x_link_initialize(struct bnx2x *bp) | |
2923 | { | |
2924 | int port = bp->port; | |
2925 | ||
2926 | /* disable attentions */ | |
2927 | bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
2928 | (NIG_MASK_XGXS0_LINK_STATUS | | |
2929 | NIG_MASK_XGXS0_LINK10G | | |
2930 | NIG_MASK_SERDES0_LINK_STATUS | | |
2931 | NIG_MASK_MI_INT)); | |
2932 | ||
2933 | bnx2x_ext_phy_reset(bp); | |
2934 | ||
2935 | bnx2x_set_aer_mmd(bp); | |
2936 | ||
2937 | if (bp->phy_flags & PHY_XGXS_FLAG) | |
2938 | bnx2x_set_master_ln(bp); | |
2939 | ||
2940 | /* reset the SerDes and wait for reset bit return low */ | |
2941 | bnx2x_reset_unicore(bp); | |
2942 | ||
2943 | bnx2x_set_aer_mmd(bp); | |
2944 | ||
2945 | /* setting the masterLn_def again after the reset */ | |
2946 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
2947 | bnx2x_set_master_ln(bp); | |
2948 | bnx2x_set_swap_lanes(bp); | |
2949 | } | |
2950 | ||
2951 | /* Set Parallel Detect */ | |
2952 | if (bp->req_autoneg & AUTONEG_SPEED) | |
2953 | bnx2x_set_parallel_detection(bp); | |
2954 | ||
2955 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
2956 | if (bp->req_line_speed && | |
2957 | bp->req_line_speed < SPEED_1000) { | |
2958 | bp->phy_flags |= PHY_SGMII_FLAG; | |
2959 | } else { | |
2960 | bp->phy_flags &= ~PHY_SGMII_FLAG; | |
2961 | } | |
2962 | } | |
2963 | ||
2964 | if (!(bp->phy_flags & PHY_SGMII_FLAG)) { | |
2965 | u16 bank, rx_eq; | |
2966 | ||
2967 | rx_eq = ((bp->serdes_config & | |
2968 | PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_MASK) >> | |
2969 | PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_SHIFT); | |
2970 | ||
2971 | DP(NETIF_MSG_LINK, "setting rx eq to %d\n", rx_eq); | |
2972 | for (bank = MDIO_REG_BANK_RX0; bank <= MDIO_REG_BANK_RX_ALL; | |
2973 | bank += (MDIO_REG_BANK_RX1 - MDIO_REG_BANK_RX0)) { | |
2974 | MDIO_SET_REG_BANK(bp, bank); | |
2975 | bnx2x_mdio22_write(bp, MDIO_RX0_RX_EQ_BOOST, | |
2976 | ((rx_eq & | |
2977 | MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK) | | |
2978 | MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL)); | |
2979 | } | |
2980 | ||
2981 | /* forced speed requested? */ | |
2982 | if (!(bp->req_autoneg & AUTONEG_SPEED)) { | |
2983 | DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); | |
2984 | ||
2985 | /* disable autoneg */ | |
2986 | bnx2x_set_autoneg(bp); | |
2987 | ||
2988 | /* program speed and duplex */ | |
2989 | bnx2x_program_serdes(bp); | |
2990 | ||
2991 | } else { /* AN_mode */ | |
2992 | DP(NETIF_MSG_LINK, "not SGMII, AN\n"); | |
2993 | ||
2994 | /* AN enabled */ | |
2995 | bnx2x_set_brcm_cl37_advertisment(bp); | |
2996 | ||
2997 | /* program duplex & pause advertisment (for aneg) */ | |
2998 | bnx2x_set_ieee_aneg_advertisment(bp); | |
2999 | ||
3000 | /* enable autoneg */ | |
3001 | bnx2x_set_autoneg(bp); | |
3002 | ||
3003 | /* enalbe and restart AN */ | |
3004 | bnx2x_restart_autoneg(bp); | |
3005 | } | |
3006 | ||
3007 | } else { /* SGMII mode */ | |
3008 | DP(NETIF_MSG_LINK, "SGMII\n"); | |
3009 | ||
3010 | bnx2x_initialize_sgmii_process(bp); | |
3011 | } | |
3012 | ||
3013 | /* enable the interrupt */ | |
3014 | bnx2x_link_int_enable(bp); | |
3015 | ||
3016 | /* init ext phy and enable link state int */ | |
3017 | bnx2x_ext_phy_init(bp); | |
3018 | } | |
3019 | ||
3020 | static void bnx2x_phy_deassert(struct bnx2x *bp) | |
3021 | { | |
3022 | int port = bp->port; | |
3023 | u32 val; | |
3024 | ||
3025 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
3026 | DP(NETIF_MSG_LINK, "XGXS\n"); | |
3027 | val = XGXS_RESET_BITS; | |
3028 | ||
3029 | } else { /* SerDes */ | |
3030 | DP(NETIF_MSG_LINK, "SerDes\n"); | |
3031 | val = SERDES_RESET_BITS; | |
3032 | } | |
3033 | ||
3034 | val = val << (port*16); | |
3035 | ||
3036 | /* reset and unreset the SerDes/XGXS */ | |
3037 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); | |
3038 | msleep(5); | |
3039 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); | |
3040 | } | |
3041 | ||
3042 | static int bnx2x_phy_init(struct bnx2x *bp) | |
3043 | { | |
3044 | DP(NETIF_MSG_LINK, "started\n"); | |
3045 | if (CHIP_REV(bp) == CHIP_REV_FPGA) { | |
3046 | bp->phy_flags |= PHY_EMAC_FLAG; | |
3047 | bp->link_up = 1; | |
3048 | bp->line_speed = SPEED_10000; | |
3049 | bp->duplex = DUPLEX_FULL; | |
3050 | NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + bp->port*4, 0); | |
3051 | bnx2x_emac_enable(bp); | |
3052 | bnx2x_link_report(bp); | |
3053 | return 0; | |
3054 | ||
3055 | } else if (CHIP_REV(bp) == CHIP_REV_EMUL) { | |
3056 | bp->phy_flags |= PHY_BMAC_FLAG; | |
3057 | bp->link_up = 1; | |
3058 | bp->line_speed = SPEED_10000; | |
3059 | bp->duplex = DUPLEX_FULL; | |
3060 | NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + bp->port*4, 0); | |
3061 | bnx2x_bmac_enable(bp, 0); | |
3062 | bnx2x_link_report(bp); | |
3063 | return 0; | |
3064 | ||
3065 | } else { | |
3066 | bnx2x_phy_deassert(bp); | |
3067 | bnx2x_link_initialize(bp); | |
3068 | } | |
3069 | ||
3070 | return 0; | |
3071 | } | |
3072 | ||
3073 | static void bnx2x_link_reset(struct bnx2x *bp) | |
3074 | { | |
3075 | int port = bp->port; | |
3076 | ||
3077 | /* disable attentions */ | |
3078 | bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, | |
3079 | (NIG_MASK_XGXS0_LINK_STATUS | | |
3080 | NIG_MASK_XGXS0_LINK10G | | |
3081 | NIG_MASK_SERDES0_LINK_STATUS | | |
3082 | NIG_MASK_MI_INT)); | |
3083 | ||
3084 | bnx2x_ext_phy_reset(bp); | |
3085 | ||
3086 | /* reset the SerDes/XGXS */ | |
3087 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, | |
3088 | (0x1ff << (port*16))); | |
3089 | ||
3090 | /* reset EMAC / BMAC and disable NIG interfaces */ | |
3091 | NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0); | |
3092 | NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0); | |
3093 | ||
3094 | NIG_WR(NIG_REG_NIG_EMAC0_EN + port*4, 0); | |
3095 | NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0); | |
3096 | NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); | |
3097 | ||
3098 | NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); | |
3099 | } | |
3100 | ||
3101 | #ifdef BNX2X_XGXS_LB | |
3102 | static void bnx2x_set_xgxs_loopback(struct bnx2x *bp, int is_10g) | |
3103 | { | |
3104 | int port = bp->port; | |
3105 | ||
3106 | if (is_10g) { | |
3107 | u32 md_devad; | |
3108 | ||
3109 | DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n"); | |
3110 | ||
3111 | /* change the uni_phy_addr in the nig */ | |
3112 | REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18), | |
3113 | &md_devad); | |
3114 | NIG_WR(NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5); | |
3115 | ||
3116 | /* change the aer mmd */ | |
3117 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_AER_BLOCK); | |
3118 | bnx2x_mdio22_write(bp, MDIO_AER_BLOCK_AER_REG, 0x2800); | |
3119 | ||
3120 | /* config combo IEEE0 control reg for loopback */ | |
3121 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0); | |
3122 | bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, | |
3123 | 0x6041); | |
3124 | ||
3125 | /* set aer mmd back */ | |
3126 | bnx2x_set_aer_mmd(bp); | |
3127 | ||
3128 | /* and md_devad */ | |
3129 | NIG_WR(NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad); | |
3130 | ||
3131 | } else { | |
3132 | u32 mii_control; | |
3133 | ||
3134 | DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n"); | |
3135 | ||
3136 | MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); | |
3137 | bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
3138 | &mii_control); | |
3139 | bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, | |
3140 | (mii_control | | |
3141 | MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK)); | |
3142 | } | |
3143 | } | |
3144 | #endif | |
3145 | ||
3146 | /* end of PHY/MAC */ | |
3147 | ||
3148 | /* slow path */ | |
3149 | ||
3150 | /* | |
3151 | * General service functions | |
3152 | */ | |
3153 | ||
3154 | /* the slow path queue is odd since completions arrive on the fastpath ring */ | |
3155 | static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid, | |
3156 | u32 data_hi, u32 data_lo, int common) | |
3157 | { | |
3158 | int port = bp->port; | |
3159 | ||
3160 | DP(NETIF_MSG_TIMER, | |
3161 | "spe (%x:%x) command %x hw_cid %x data (%x:%x) left %x\n", | |
3162 | (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) + | |
3163 | (void *)bp->spq_prod_bd - (void *)bp->spq), command, | |
3164 | HW_CID(bp, cid), data_hi, data_lo, bp->spq_left); | |
3165 | ||
3166 | #ifdef BNX2X_STOP_ON_ERROR | |
3167 | if (unlikely(bp->panic)) | |
3168 | return -EIO; | |
3169 | #endif | |
3170 | ||
3171 | spin_lock(&bp->spq_lock); | |
3172 | ||
3173 | if (!bp->spq_left) { | |
3174 | BNX2X_ERR("BUG! SPQ ring full!\n"); | |
3175 | spin_unlock(&bp->spq_lock); | |
3176 | bnx2x_panic(); | |
3177 | return -EBUSY; | |
3178 | } | |
3179 | /* CID needs port number to be encoded int it */ | |
3180 | bp->spq_prod_bd->hdr.conn_and_cmd_data = | |
3181 | cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) | | |
3182 | HW_CID(bp, cid))); | |
3183 | bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE); | |
3184 | if (common) | |
3185 | bp->spq_prod_bd->hdr.type |= | |
3186 | cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT)); | |
3187 | ||
3188 | bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi); | |
3189 | bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo); | |
3190 | ||
3191 | bp->spq_left--; | |
3192 | ||
3193 | if (bp->spq_prod_bd == bp->spq_last_bd) { | |
3194 | bp->spq_prod_bd = bp->spq; | |
3195 | bp->spq_prod_idx = 0; | |
3196 | DP(NETIF_MSG_TIMER, "end of spq\n"); | |
3197 | ||
3198 | } else { | |
3199 | bp->spq_prod_bd++; | |
3200 | bp->spq_prod_idx++; | |
3201 | } | |
3202 | ||
3203 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(port), | |
3204 | bp->spq_prod_idx); | |
3205 | ||
3206 | spin_unlock(&bp->spq_lock); | |
3207 | return 0; | |
3208 | } | |
3209 | ||
3210 | /* acquire split MCP access lock register */ | |
3211 | static int bnx2x_lock_alr(struct bnx2x *bp) | |
3212 | { | |
3213 | int rc = 0; | |
3214 | u32 i, j, val; | |
3215 | ||
3216 | might_sleep(); | |
3217 | i = 100; | |
3218 | for (j = 0; j < i*10; j++) { | |
3219 | val = (1UL << 31); | |
3220 | REG_WR(bp, GRCBASE_MCP + 0x9c, val); | |
3221 | val = REG_RD(bp, GRCBASE_MCP + 0x9c); | |
3222 | if (val & (1L << 31)) | |
3223 | break; | |
3224 | ||
3225 | msleep(5); | |
3226 | } | |
3227 | ||
3228 | if (!(val & (1L << 31))) { | |
3229 | BNX2X_ERR("Cannot acquire nvram interface\n"); | |
3230 | ||
3231 | rc = -EBUSY; | |
3232 | } | |
3233 | ||
3234 | return rc; | |
3235 | } | |
3236 | ||
3237 | /* Release split MCP access lock register */ | |
3238 | static void bnx2x_unlock_alr(struct bnx2x *bp) | |
3239 | { | |
3240 | u32 val = 0; | |
3241 | ||
3242 | REG_WR(bp, GRCBASE_MCP + 0x9c, val); | |
3243 | } | |
3244 | ||
3245 | static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp) | |
3246 | { | |
3247 | struct host_def_status_block *def_sb = bp->def_status_blk; | |
3248 | u16 rc = 0; | |
3249 | ||
3250 | barrier(); /* status block is written to by the chip */ | |
3251 | ||
3252 | if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) { | |
3253 | bp->def_att_idx = def_sb->atten_status_block.attn_bits_index; | |
3254 | rc |= 1; | |
3255 | } | |
3256 | if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) { | |
3257 | bp->def_c_idx = def_sb->c_def_status_block.status_block_index; | |
3258 | rc |= 2; | |
3259 | } | |
3260 | if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) { | |
3261 | bp->def_u_idx = def_sb->u_def_status_block.status_block_index; | |
3262 | rc |= 4; | |
3263 | } | |
3264 | if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) { | |
3265 | bp->def_x_idx = def_sb->x_def_status_block.status_block_index; | |
3266 | rc |= 8; | |
3267 | } | |
3268 | if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) { | |
3269 | bp->def_t_idx = def_sb->t_def_status_block.status_block_index; | |
3270 | rc |= 16; | |
3271 | } | |
3272 | return rc; | |
3273 | } | |
3274 | ||
3275 | /* | |
3276 | * slow path service functions | |
3277 | */ | |
3278 | ||
3279 | static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) | |
3280 | { | |
3281 | int port = bp->port; | |
3282 | u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_PORT_BASE * port) * 8; | |
3283 | u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
3284 | MISC_REG_AEU_MASK_ATTN_FUNC_0; | |
3285 | u32 nig_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 : | |
3286 | NIG_REG_MASK_INTERRUPT_PORT0; | |
3287 | ||
3288 | if (~bp->aeu_mask & (asserted & 0xff)) | |
3289 | BNX2X_ERR("IGU ERROR\n"); | |
3290 | if (bp->attn_state & asserted) | |
3291 | BNX2X_ERR("IGU ERROR\n"); | |
3292 | ||
3293 | DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n", | |
3294 | bp->aeu_mask, asserted); | |
3295 | bp->aeu_mask &= ~(asserted & 0xff); | |
3296 | DP(NETIF_MSG_HW, "after masking: aeu_mask %x\n", bp->aeu_mask); | |
3297 | ||
3298 | REG_WR(bp, aeu_addr, bp->aeu_mask); | |
3299 | ||
3300 | bp->attn_state |= asserted; | |
3301 | ||
3302 | if (asserted & ATTN_HARD_WIRED_MASK) { | |
3303 | if (asserted & ATTN_NIG_FOR_FUNC) { | |
3304 | u32 nig_status_port; | |
3305 | u32 nig_int_addr = port ? | |
3306 | NIG_REG_STATUS_INTERRUPT_PORT1 : | |
3307 | NIG_REG_STATUS_INTERRUPT_PORT0; | |
3308 | ||
3309 | bp->nig_mask = REG_RD(bp, nig_mask_addr); | |
3310 | REG_WR(bp, nig_mask_addr, 0); | |
3311 | ||
3312 | nig_status_port = REG_RD(bp, nig_int_addr); | |
3313 | bnx2x_link_update(bp); | |
3314 | ||
3315 | /* handle unicore attn? */ | |
3316 | } | |
3317 | if (asserted & ATTN_SW_TIMER_4_FUNC) | |
3318 | DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n"); | |
3319 | ||
3320 | if (asserted & GPIO_2_FUNC) | |
3321 | DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n"); | |
3322 | ||
3323 | if (asserted & GPIO_3_FUNC) | |
3324 | DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n"); | |
3325 | ||
3326 | if (asserted & GPIO_4_FUNC) | |
3327 | DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n"); | |
3328 | ||
3329 | if (port == 0) { | |
3330 | if (asserted & ATTN_GENERAL_ATTN_1) { | |
3331 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n"); | |
3332 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0); | |
3333 | } | |
3334 | if (asserted & ATTN_GENERAL_ATTN_2) { | |
3335 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n"); | |
3336 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0); | |
3337 | } | |
3338 | if (asserted & ATTN_GENERAL_ATTN_3) { | |
3339 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n"); | |
3340 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0); | |
3341 | } | |
3342 | } else { | |
3343 | if (asserted & ATTN_GENERAL_ATTN_4) { | |
3344 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n"); | |
3345 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0); | |
3346 | } | |
3347 | if (asserted & ATTN_GENERAL_ATTN_5) { | |
3348 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n"); | |
3349 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0); | |
3350 | } | |
3351 | if (asserted & ATTN_GENERAL_ATTN_6) { | |
3352 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n"); | |
3353 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0); | |
3354 | } | |
3355 | } | |
3356 | ||
3357 | } /* if hardwired */ | |
3358 | ||
3359 | DP(NETIF_MSG_HW, "about to mask 0x%08x at IGU addr 0x%x\n", | |
3360 | asserted, BAR_IGU_INTMEM + igu_addr); | |
3361 | REG_WR(bp, BAR_IGU_INTMEM + igu_addr, asserted); | |
3362 | ||
3363 | /* now set back the mask */ | |
3364 | if (asserted & ATTN_NIG_FOR_FUNC) | |
3365 | REG_WR(bp, nig_mask_addr, bp->nig_mask); | |
3366 | } | |
3367 | ||
3368 | static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) | |
3369 | { | |
3370 | int port = bp->port; | |
3371 | int index; | |
3372 | struct attn_route attn; | |
3373 | struct attn_route group_mask; | |
3374 | u32 reg_addr; | |
3375 | u32 val; | |
3376 | ||
3377 | /* need to take HW lock because MCP or other port might also | |
3378 | try to handle this event */ | |
3379 | bnx2x_lock_alr(bp); | |
3380 | ||
3381 | attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4); | |
3382 | attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4); | |
3383 | attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4); | |
3384 | attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4); | |
3385 | DP(NETIF_MSG_HW, "attn %llx\n", (unsigned long long)attn.sig[0]); | |
3386 | ||
3387 | for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { | |
3388 | if (deasserted & (1 << index)) { | |
3389 | group_mask = bp->attn_group[index]; | |
3390 | ||
3391 | DP(NETIF_MSG_HW, "group[%d]: %llx\n", index, | |
3392 | (unsigned long long)group_mask.sig[0]); | |
3393 | ||
3394 | if (attn.sig[3] & group_mask.sig[3] & | |
3395 | EVEREST_GEN_ATTN_IN_USE_MASK) { | |
3396 | ||
3397 | if (attn.sig[3] & BNX2X_MC_ASSERT_BITS) { | |
3398 | ||
3399 | BNX2X_ERR("MC assert!\n"); | |
3400 | bnx2x_panic(); | |
3401 | ||
3402 | } else if (attn.sig[3] & BNX2X_MCP_ASSERT) { | |
3403 | ||
3404 | BNX2X_ERR("MCP assert!\n"); | |
3405 | REG_WR(bp, | |
3406 | MISC_REG_AEU_GENERAL_ATTN_11, 0); | |
3407 | bnx2x_mc_assert(bp); | |
3408 | ||
3409 | } else { | |
3410 | BNX2X_ERR("UNKOWEN HW ASSERT!\n"); | |
3411 | } | |
3412 | } | |
3413 | ||
3414 | if (attn.sig[1] & group_mask.sig[1] & | |
3415 | BNX2X_DOORQ_ASSERT) { | |
3416 | ||
3417 | val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR); | |
3418 | BNX2X_ERR("DB hw attention 0x%x\n", val); | |
3419 | /* DORQ discard attention */ | |
3420 | if (val & 0x2) | |
3421 | BNX2X_ERR("FATAL error from DORQ\n"); | |
3422 | } | |
3423 | ||
3424 | if (attn.sig[2] & group_mask.sig[2] & | |
3425 | AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) { | |
3426 | ||
3427 | val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR); | |
3428 | BNX2X_ERR("CFC hw attention 0x%x\n", val); | |
3429 | /* CFC error attention */ | |
3430 | if (val & 0x2) | |
3431 | BNX2X_ERR("FATAL error from CFC\n"); | |
3432 | } | |
3433 | ||
3434 | if (attn.sig[2] & group_mask.sig[2] & | |
3435 | AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) { | |
3436 | ||
3437 | val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0); | |
3438 | BNX2X_ERR("PXP hw attention 0x%x\n", val); | |
3439 | /* RQ_USDMDP_FIFO_OVERFLOW */ | |
3440 | if (val & 0x18000) | |
3441 | BNX2X_ERR("FATAL error from PXP\n"); | |
3442 | } | |
3443 | ||
3444 | if (attn.sig[3] & group_mask.sig[3] & | |
3445 | EVEREST_LATCHED_ATTN_IN_USE_MASK) { | |
3446 | ||
3447 | REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, | |
3448 | 0x7ff); | |
3449 | DP(NETIF_MSG_HW, "got latched bits 0x%x\n", | |
3450 | attn.sig[3]); | |
3451 | } | |
3452 | ||
3453 | if ((attn.sig[0] & group_mask.sig[0] & | |
3454 | HW_INTERRUT_ASSERT_SET_0) || | |
3455 | (attn.sig[1] & group_mask.sig[1] & | |
3456 | HW_INTERRUT_ASSERT_SET_1) || | |
3457 | (attn.sig[2] & group_mask.sig[2] & | |
3458 | HW_INTERRUT_ASSERT_SET_2)) | |
3459 | BNX2X_ERR("FATAL HW block attention\n"); | |
3460 | ||
3461 | if ((attn.sig[0] & group_mask.sig[0] & | |
3462 | HW_PRTY_ASSERT_SET_0) || | |
3463 | (attn.sig[1] & group_mask.sig[1] & | |
3464 | HW_PRTY_ASSERT_SET_1) || | |
3465 | (attn.sig[2] & group_mask.sig[2] & | |
3466 | HW_PRTY_ASSERT_SET_2)) | |
3467 | BNX2X_ERR("FATAL HW block parity atention\n"); | |
3468 | } | |
3469 | } | |
3470 | ||
3471 | bnx2x_unlock_alr(bp); | |
3472 | ||
3473 | reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_PORT_BASE * port) * 8; | |
3474 | ||
3475 | val = ~deasserted; | |
3476 | /* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", | |
3477 | val, BAR_IGU_INTMEM + reg_addr); */ | |
3478 | REG_WR(bp, BAR_IGU_INTMEM + reg_addr, val); | |
3479 | ||
3480 | if (bp->aeu_mask & (deasserted & 0xff)) | |
3481 | BNX2X_ERR("IGU BUG\n"); | |
3482 | if (~bp->attn_state & deasserted) | |
3483 | BNX2X_ERR("IGU BUG\n"); | |
3484 | ||
3485 | reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
3486 | MISC_REG_AEU_MASK_ATTN_FUNC_0; | |
3487 | ||
3488 | DP(NETIF_MSG_HW, "aeu_mask %x\n", bp->aeu_mask); | |
3489 | bp->aeu_mask |= (deasserted & 0xff); | |
3490 | ||
3491 | DP(NETIF_MSG_HW, "new mask %x\n", bp->aeu_mask); | |
3492 | REG_WR(bp, reg_addr, bp->aeu_mask); | |
3493 | ||
3494 | DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state); | |
3495 | bp->attn_state &= ~deasserted; | |
3496 | DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state); | |
3497 | } | |
3498 | ||
3499 | static void bnx2x_attn_int(struct bnx2x *bp) | |
3500 | { | |
3501 | /* read local copy of bits */ | |
3502 | u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits; | |
3503 | u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack; | |
3504 | u32 attn_state = bp->attn_state; | |
3505 | ||
3506 | /* look for changed bits */ | |
3507 | u32 asserted = attn_bits & ~attn_ack & ~attn_state; | |
3508 | u32 deasserted = ~attn_bits & attn_ack & attn_state; | |
3509 | ||
3510 | DP(NETIF_MSG_HW, | |
3511 | "attn_bits %x attn_ack %x asserted %x deasserted %x\n", | |
3512 | attn_bits, attn_ack, asserted, deasserted); | |
3513 | ||
3514 | if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state)) | |
3515 | BNX2X_ERR("bad attention state\n"); | |
3516 | ||
3517 | /* handle bits that were raised */ | |
3518 | if (asserted) | |
3519 | bnx2x_attn_int_asserted(bp, asserted); | |
3520 | ||
3521 | if (deasserted) | |
3522 | bnx2x_attn_int_deasserted(bp, deasserted); | |
3523 | } | |
3524 | ||
3525 | static void bnx2x_sp_task(struct work_struct *work) | |
3526 | { | |
3527 | struct bnx2x *bp = container_of(work, struct bnx2x, sp_task); | |
3528 | u16 status; | |
3529 | ||
3530 | /* Return here if interrupt is disabled */ | |
3531 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
3532 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
3533 | return; | |
3534 | } | |
3535 | ||
3536 | status = bnx2x_update_dsb_idx(bp); | |
3537 | if (status == 0) | |
3538 | BNX2X_ERR("spurious slowpath interrupt!\n"); | |
3539 | ||
3540 | DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status); | |
3541 | ||
3542 | if (status & 0x1) { | |
3543 | /* HW attentions */ | |
3544 | bnx2x_attn_int(bp); | |
3545 | } | |
3546 | ||
3547 | /* CStorm events: query_stats, cfc delete ramrods */ | |
3548 | if (status & 0x2) | |
3549 | bp->stat_pending = 0; | |
3550 | ||
3551 | bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx, | |
3552 | IGU_INT_NOP, 1); | |
3553 | bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx), | |
3554 | IGU_INT_NOP, 1); | |
3555 | bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx), | |
3556 | IGU_INT_NOP, 1); | |
3557 | bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx), | |
3558 | IGU_INT_NOP, 1); | |
3559 | bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx), | |
3560 | IGU_INT_ENABLE, 1); | |
3561 | } | |
3562 | ||
3563 | static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance) | |
3564 | { | |
3565 | struct net_device *dev = dev_instance; | |
3566 | struct bnx2x *bp = netdev_priv(dev); | |
3567 | ||
3568 | /* Return here if interrupt is disabled */ | |
3569 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
3570 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
3571 | return IRQ_HANDLED; | |
3572 | } | |
3573 | ||
3574 | bnx2x_ack_sb(bp, 16, XSTORM_ID, 0, IGU_INT_DISABLE, 0); | |
3575 | ||
3576 | #ifdef BNX2X_STOP_ON_ERROR | |
3577 | if (unlikely(bp->panic)) | |
3578 | return IRQ_HANDLED; | |
3579 | #endif | |
3580 | ||
3581 | schedule_work(&bp->sp_task); | |
3582 | ||
3583 | return IRQ_HANDLED; | |
3584 | } | |
3585 | ||
3586 | /* end of slow path */ | |
3587 | ||
3588 | /* Statistics */ | |
3589 | ||
3590 | /**************************************************************************** | |
3591 | * Macros | |
3592 | ****************************************************************************/ | |
3593 | ||
3594 | #define UPDATE_STAT(s, t) \ | |
3595 | do { \ | |
3596 | estats->t += new->s - old->s; \ | |
3597 | old->s = new->s; \ | |
3598 | } while (0) | |
3599 | ||
3600 | /* sum[hi:lo] += add[hi:lo] */ | |
3601 | #define ADD_64(s_hi, a_hi, s_lo, a_lo) \ | |
3602 | do { \ | |
3603 | s_lo += a_lo; \ | |
3604 | s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \ | |
3605 | } while (0) | |
3606 | ||
3607 | /* difference = minuend - subtrahend */ | |
3608 | #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \ | |
3609 | do { \ | |
3610 | if (m_lo < s_lo) { /* underflow */ \ | |
3611 | d_hi = m_hi - s_hi; \ | |
3612 | if (d_hi > 0) { /* we can 'loan' 1 */ \ | |
3613 | d_hi--; \ | |
3614 | d_lo = m_lo + (UINT_MAX - s_lo) + 1; \ | |
3615 | } else { /* m_hi <= s_hi */ \ | |
3616 | d_hi = 0; \ | |
3617 | d_lo = 0; \ | |
3618 | } \ | |
3619 | } else { /* m_lo >= s_lo */ \ | |
3620 | if (m_hi < s_hi) { \ | |
3621 | d_hi = 0; \ | |
3622 | d_lo = 0; \ | |
3623 | } else { /* m_hi >= s_hi */ \ | |
3624 | d_hi = m_hi - s_hi; \ | |
3625 | d_lo = m_lo - s_lo; \ | |
3626 | } \ | |
3627 | } \ | |
3628 | } while (0) | |
3629 | ||
3630 | /* minuend -= subtrahend */ | |
3631 | #define SUB_64(m_hi, s_hi, m_lo, s_lo) \ | |
3632 | do { \ | |
3633 | DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \ | |
3634 | } while (0) | |
3635 | ||
3636 | #define UPDATE_STAT64(s_hi, t_hi, s_lo, t_lo) \ | |
3637 | do { \ | |
3638 | DIFF_64(diff.hi, new->s_hi, old->s_hi, \ | |
3639 | diff.lo, new->s_lo, old->s_lo); \ | |
3640 | old->s_hi = new->s_hi; \ | |
3641 | old->s_lo = new->s_lo; \ | |
3642 | ADD_64(estats->t_hi, diff.hi, \ | |
3643 | estats->t_lo, diff.lo); \ | |
3644 | } while (0) | |
3645 | ||
3646 | /* sum[hi:lo] += add */ | |
3647 | #define ADD_EXTEND_64(s_hi, s_lo, a) \ | |
3648 | do { \ | |
3649 | s_lo += a; \ | |
3650 | s_hi += (s_lo < a) ? 1 : 0; \ | |
3651 | } while (0) | |
3652 | ||
3653 | #define UPDATE_EXTEND_STAT(s, t_hi, t_lo) \ | |
3654 | do { \ | |
3655 | ADD_EXTEND_64(estats->t_hi, estats->t_lo, new->s); \ | |
3656 | } while (0) | |
3657 | ||
3658 | #define UPDATE_EXTEND_TSTAT(s, t_hi, t_lo) \ | |
3659 | do { \ | |
3660 | diff = le32_to_cpu(tclient->s) - old_tclient->s; \ | |
3661 | old_tclient->s = le32_to_cpu(tclient->s); \ | |
3662 | ADD_EXTEND_64(estats->t_hi, estats->t_lo, diff); \ | |
3663 | } while (0) | |
3664 | ||
3665 | /* | |
3666 | * General service functions | |
3667 | */ | |
3668 | ||
3669 | static inline long bnx2x_hilo(u32 *hiref) | |
3670 | { | |
3671 | u32 lo = *(hiref + 1); | |
3672 | #if (BITS_PER_LONG == 64) | |
3673 | u32 hi = *hiref; | |
3674 | ||
3675 | return HILO_U64(hi, lo); | |
3676 | #else | |
3677 | return lo; | |
3678 | #endif | |
3679 | } | |
3680 | ||
3681 | /* | |
3682 | * Init service functions | |
3683 | */ | |
3684 | ||
3685 | static void bnx2x_init_mac_stats(struct bnx2x *bp) | |
3686 | { | |
3687 | struct dmae_command *dmae; | |
3688 | int port = bp->port; | |
3689 | int loader_idx = port * 8; | |
3690 | u32 opcode; | |
3691 | u32 mac_addr; | |
3692 | ||
3693 | bp->executer_idx = 0; | |
3694 | if (bp->fw_mb) { | |
3695 | /* MCP */ | |
3696 | opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
3697 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3698 | #ifdef __BIG_ENDIAN | |
3699 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3700 | #else | |
3701 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3702 | #endif | |
3703 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
3704 | ||
3705 | if (bp->link_up) | |
3706 | opcode |= (DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE); | |
3707 | ||
3708 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3709 | dmae->opcode = opcode; | |
3710 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, eth_stats) + | |
3711 | sizeof(u32)); | |
3712 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, eth_stats) + | |
3713 | sizeof(u32)); | |
3714 | dmae->dst_addr_lo = bp->fw_mb >> 2; | |
3715 | dmae->dst_addr_hi = 0; | |
3716 | dmae->len = (offsetof(struct bnx2x_eth_stats, mac_stx_end) - | |
3717 | sizeof(u32)) >> 2; | |
3718 | if (bp->link_up) { | |
3719 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3720 | dmae->comp_addr_hi = 0; | |
3721 | dmae->comp_val = 1; | |
3722 | } else { | |
3723 | dmae->comp_addr_lo = 0; | |
3724 | dmae->comp_addr_hi = 0; | |
3725 | dmae->comp_val = 0; | |
3726 | } | |
3727 | } | |
3728 | ||
3729 | if (!bp->link_up) { | |
3730 | /* no need to collect statistics in link down */ | |
3731 | return; | |
3732 | } | |
3733 | ||
3734 | opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
3735 | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | | |
3736 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3737 | #ifdef __BIG_ENDIAN | |
3738 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3739 | #else | |
3740 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3741 | #endif | |
3742 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
3743 | ||
3744 | if (bp->phy_flags & PHY_BMAC_FLAG) { | |
3745 | ||
3746 | mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM : | |
3747 | NIG_REG_INGRESS_BMAC0_MEM); | |
3748 | ||
3749 | /* BIGMAC_REGISTER_TX_STAT_GTPKT .. | |
3750 | BIGMAC_REGISTER_TX_STAT_GTBYT */ | |
3751 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3752 | dmae->opcode = opcode; | |
3753 | dmae->src_addr_lo = (mac_addr + | |
3754 | BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; | |
3755 | dmae->src_addr_hi = 0; | |
3756 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); | |
3757 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); | |
3758 | dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT - | |
3759 | BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; | |
3760 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3761 | dmae->comp_addr_hi = 0; | |
3762 | dmae->comp_val = 1; | |
3763 | ||
3764 | /* BIGMAC_REGISTER_RX_STAT_GR64 .. | |
3765 | BIGMAC_REGISTER_RX_STAT_GRIPJ */ | |
3766 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3767 | dmae->opcode = opcode; | |
3768 | dmae->src_addr_lo = (mac_addr + | |
3769 | BIGMAC_REGISTER_RX_STAT_GR64) >> 2; | |
3770 | dmae->src_addr_hi = 0; | |
3771 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
3772 | offsetof(struct bmac_stats, rx_gr64)); | |
3773 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
3774 | offsetof(struct bmac_stats, rx_gr64)); | |
3775 | dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ - | |
3776 | BIGMAC_REGISTER_RX_STAT_GR64) >> 2; | |
3777 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3778 | dmae->comp_addr_hi = 0; | |
3779 | dmae->comp_val = 1; | |
3780 | ||
3781 | } else if (bp->phy_flags & PHY_EMAC_FLAG) { | |
3782 | ||
3783 | mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0); | |
3784 | ||
3785 | /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/ | |
3786 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3787 | dmae->opcode = opcode; | |
3788 | dmae->src_addr_lo = (mac_addr + | |
3789 | EMAC_REG_EMAC_RX_STAT_AC) >> 2; | |
3790 | dmae->src_addr_hi = 0; | |
3791 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); | |
3792 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); | |
3793 | dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT; | |
3794 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3795 | dmae->comp_addr_hi = 0; | |
3796 | dmae->comp_val = 1; | |
3797 | ||
3798 | /* EMAC_REG_EMAC_RX_STAT_AC_28 */ | |
3799 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3800 | dmae->opcode = opcode; | |
3801 | dmae->src_addr_lo = (mac_addr + | |
3802 | EMAC_REG_EMAC_RX_STAT_AC_28) >> 2; | |
3803 | dmae->src_addr_hi = 0; | |
3804 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
3805 | offsetof(struct emac_stats, | |
3806 | rx_falsecarriererrors)); | |
3807 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
3808 | offsetof(struct emac_stats, | |
3809 | rx_falsecarriererrors)); | |
3810 | dmae->len = 1; | |
3811 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3812 | dmae->comp_addr_hi = 0; | |
3813 | dmae->comp_val = 1; | |
3814 | ||
3815 | /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/ | |
3816 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3817 | dmae->opcode = opcode; | |
3818 | dmae->src_addr_lo = (mac_addr + | |
3819 | EMAC_REG_EMAC_TX_STAT_AC) >> 2; | |
3820 | dmae->src_addr_hi = 0; | |
3821 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
3822 | offsetof(struct emac_stats, | |
3823 | tx_ifhcoutoctets)); | |
3824 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
3825 | offsetof(struct emac_stats, | |
3826 | tx_ifhcoutoctets)); | |
3827 | dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT; | |
3828 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3829 | dmae->comp_addr_hi = 0; | |
3830 | dmae->comp_val = 1; | |
3831 | } | |
3832 | ||
3833 | /* NIG */ | |
3834 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3835 | dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
3836 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
3837 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3838 | #ifdef __BIG_ENDIAN | |
3839 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3840 | #else | |
3841 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3842 | #endif | |
3843 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
3844 | dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD : | |
3845 | NIG_REG_STAT0_BRB_DISCARD) >> 2; | |
3846 | dmae->src_addr_hi = 0; | |
3847 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig)); | |
3848 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig)); | |
3849 | dmae->len = (sizeof(struct nig_stats) - 2*sizeof(u32)) >> 2; | |
3850 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig) + | |
3851 | offsetof(struct nig_stats, done)); | |
3852 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig) + | |
3853 | offsetof(struct nig_stats, done)); | |
3854 | dmae->comp_val = 0xffffffff; | |
3855 | } | |
3856 | ||
3857 | static void bnx2x_init_stats(struct bnx2x *bp) | |
3858 | { | |
3859 | int port = bp->port; | |
3860 | ||
3861 | bp->stats_state = STATS_STATE_DISABLE; | |
3862 | bp->executer_idx = 0; | |
3863 | ||
3864 | bp->old_brb_discard = REG_RD(bp, | |
3865 | NIG_REG_STAT0_BRB_DISCARD + port*0x38); | |
3866 | ||
3867 | memset(&bp->old_bmac, 0, sizeof(struct bmac_stats)); | |
3868 | memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats)); | |
3869 | memset(&bp->dev->stats, 0, sizeof(struct net_device_stats)); | |
3870 | ||
3871 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port), 1); | |
3872 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
3873 | XSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); | |
3874 | ||
3875 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port), 1); | |
3876 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
3877 | TSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); | |
3878 | ||
3879 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port), 0); | |
3880 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
3881 | CSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); | |
3882 | ||
3883 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
3884 | XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port), | |
3885 | U64_LO(bnx2x_sp_mapping(bp, fw_stats))); | |
3886 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
3887 | XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port) + 4, | |
3888 | U64_HI(bnx2x_sp_mapping(bp, fw_stats))); | |
3889 | ||
3890 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
3891 | TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port), | |
3892 | U64_LO(bnx2x_sp_mapping(bp, fw_stats))); | |
3893 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
3894 | TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port) + 4, | |
3895 | U64_HI(bnx2x_sp_mapping(bp, fw_stats))); | |
3896 | } | |
3897 | ||
3898 | static void bnx2x_stop_stats(struct bnx2x *bp) | |
3899 | { | |
3900 | might_sleep(); | |
3901 | if (bp->stats_state != STATS_STATE_DISABLE) { | |
3902 | int timeout = 10; | |
3903 | ||
3904 | bp->stats_state = STATS_STATE_STOP; | |
3905 | DP(BNX2X_MSG_STATS, "stats_state - STOP\n"); | |
3906 | ||
3907 | while (bp->stats_state != STATS_STATE_DISABLE) { | |
3908 | if (!timeout) { | |
3909 | BNX2X_ERR("timeout wating for stats stop\n"); | |
3910 | break; | |
3911 | } | |
3912 | timeout--; | |
3913 | msleep(100); | |
3914 | } | |
3915 | } | |
3916 | DP(BNX2X_MSG_STATS, "stats_state - DISABLE\n"); | |
3917 | } | |
3918 | ||
3919 | /* | |
3920 | * Statistics service functions | |
3921 | */ | |
3922 | ||
3923 | static void bnx2x_update_bmac_stats(struct bnx2x *bp) | |
3924 | { | |
3925 | struct regp diff; | |
3926 | struct regp sum; | |
3927 | struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac); | |
3928 | struct bmac_stats *old = &bp->old_bmac; | |
3929 | struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); | |
3930 | ||
3931 | sum.hi = 0; | |
3932 | sum.lo = 0; | |
3933 | ||
3934 | UPDATE_STAT64(tx_gtbyt.hi, total_bytes_transmitted_hi, | |
3935 | tx_gtbyt.lo, total_bytes_transmitted_lo); | |
3936 | ||
3937 | UPDATE_STAT64(tx_gtmca.hi, total_multicast_packets_transmitted_hi, | |
3938 | tx_gtmca.lo, total_multicast_packets_transmitted_lo); | |
3939 | ADD_64(sum.hi, diff.hi, sum.lo, diff.lo); | |
3940 | ||
3941 | UPDATE_STAT64(tx_gtgca.hi, total_broadcast_packets_transmitted_hi, | |
3942 | tx_gtgca.lo, total_broadcast_packets_transmitted_lo); | |
3943 | ADD_64(sum.hi, diff.hi, sum.lo, diff.lo); | |
3944 | ||
3945 | UPDATE_STAT64(tx_gtpkt.hi, total_unicast_packets_transmitted_hi, | |
3946 | tx_gtpkt.lo, total_unicast_packets_transmitted_lo); | |
3947 | SUB_64(estats->total_unicast_packets_transmitted_hi, sum.hi, | |
3948 | estats->total_unicast_packets_transmitted_lo, sum.lo); | |
3949 | ||
3950 | UPDATE_STAT(tx_gtxpf.lo, pause_xoff_frames_transmitted); | |
3951 | UPDATE_STAT(tx_gt64.lo, frames_transmitted_64_bytes); | |
3952 | UPDATE_STAT(tx_gt127.lo, frames_transmitted_65_127_bytes); | |
3953 | UPDATE_STAT(tx_gt255.lo, frames_transmitted_128_255_bytes); | |
3954 | UPDATE_STAT(tx_gt511.lo, frames_transmitted_256_511_bytes); | |
3955 | UPDATE_STAT(tx_gt1023.lo, frames_transmitted_512_1023_bytes); | |
3956 | UPDATE_STAT(tx_gt1518.lo, frames_transmitted_1024_1522_bytes); | |
3957 | UPDATE_STAT(tx_gt2047.lo, frames_transmitted_1523_9022_bytes); | |
3958 | UPDATE_STAT(tx_gt4095.lo, frames_transmitted_1523_9022_bytes); | |
3959 | UPDATE_STAT(tx_gt9216.lo, frames_transmitted_1523_9022_bytes); | |
3960 | UPDATE_STAT(tx_gt16383.lo, frames_transmitted_1523_9022_bytes); | |
3961 | ||
3962 | UPDATE_STAT(rx_grfcs.lo, crc_receive_errors); | |
3963 | UPDATE_STAT(rx_grund.lo, runt_packets_received); | |
3964 | UPDATE_STAT(rx_grovr.lo, stat_Dot3statsFramesTooLong); | |
3965 | UPDATE_STAT(rx_grxpf.lo, pause_xoff_frames_received); | |
3966 | UPDATE_STAT(rx_grxcf.lo, control_frames_received); | |
3967 | /* UPDATE_STAT(rx_grxpf.lo, control_frames_received); */ | |
3968 | UPDATE_STAT(rx_grfrg.lo, error_runt_packets_received); | |
3969 | UPDATE_STAT(rx_grjbr.lo, error_jabber_packets_received); | |
3970 | ||
3971 | UPDATE_STAT64(rx_grerb.hi, stat_IfHCInBadOctets_hi, | |
3972 | rx_grerb.lo, stat_IfHCInBadOctets_lo); | |
3973 | UPDATE_STAT64(tx_gtufl.hi, stat_IfHCOutBadOctets_hi, | |
3974 | tx_gtufl.lo, stat_IfHCOutBadOctets_lo); | |
3975 | UPDATE_STAT(tx_gterr.lo, stat_Dot3statsInternalMacTransmitErrors); | |
3976 | /* UPDATE_STAT(rx_grxpf.lo, stat_XoffStateEntered); */ | |
3977 | estats->stat_XoffStateEntered = estats->pause_xoff_frames_received; | |
3978 | } | |
3979 | ||
3980 | static void bnx2x_update_emac_stats(struct bnx2x *bp) | |
3981 | { | |
3982 | struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac); | |
3983 | struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); | |
3984 | ||
3985 | UPDATE_EXTEND_STAT(tx_ifhcoutoctets, total_bytes_transmitted_hi, | |
3986 | total_bytes_transmitted_lo); | |
3987 | UPDATE_EXTEND_STAT(tx_ifhcoutucastpkts, | |
3988 | total_unicast_packets_transmitted_hi, | |
3989 | total_unicast_packets_transmitted_lo); | |
3990 | UPDATE_EXTEND_STAT(tx_ifhcoutmulticastpkts, | |
3991 | total_multicast_packets_transmitted_hi, | |
3992 | total_multicast_packets_transmitted_lo); | |
3993 | UPDATE_EXTEND_STAT(tx_ifhcoutbroadcastpkts, | |
3994 | total_broadcast_packets_transmitted_hi, | |
3995 | total_broadcast_packets_transmitted_lo); | |
3996 | ||
3997 | estats->pause_xon_frames_transmitted += new->tx_outxonsent; | |
3998 | estats->pause_xoff_frames_transmitted += new->tx_outxoffsent; | |
3999 | estats->single_collision_transmit_frames += | |
4000 | new->tx_dot3statssinglecollisionframes; | |
4001 | estats->multiple_collision_transmit_frames += | |
4002 | new->tx_dot3statsmultiplecollisionframes; | |
4003 | estats->late_collision_frames += new->tx_dot3statslatecollisions; | |
4004 | estats->excessive_collision_frames += | |
4005 | new->tx_dot3statsexcessivecollisions; | |
4006 | estats->frames_transmitted_64_bytes += new->tx_etherstatspkts64octets; | |
4007 | estats->frames_transmitted_65_127_bytes += | |
4008 | new->tx_etherstatspkts65octetsto127octets; | |
4009 | estats->frames_transmitted_128_255_bytes += | |
4010 | new->tx_etherstatspkts128octetsto255octets; | |
4011 | estats->frames_transmitted_256_511_bytes += | |
4012 | new->tx_etherstatspkts256octetsto511octets; | |
4013 | estats->frames_transmitted_512_1023_bytes += | |
4014 | new->tx_etherstatspkts512octetsto1023octets; | |
4015 | estats->frames_transmitted_1024_1522_bytes += | |
4016 | new->tx_etherstatspkts1024octetsto1522octet; | |
4017 | estats->frames_transmitted_1523_9022_bytes += | |
4018 | new->tx_etherstatspktsover1522octets; | |
4019 | ||
4020 | estats->crc_receive_errors += new->rx_dot3statsfcserrors; | |
4021 | estats->alignment_errors += new->rx_dot3statsalignmenterrors; | |
4022 | estats->false_carrier_detections += new->rx_falsecarriererrors; | |
4023 | estats->runt_packets_received += new->rx_etherstatsundersizepkts; | |
4024 | estats->stat_Dot3statsFramesTooLong += new->rx_dot3statsframestoolong; | |
4025 | estats->pause_xon_frames_received += new->rx_xonpauseframesreceived; | |
4026 | estats->pause_xoff_frames_received += new->rx_xoffpauseframesreceived; | |
4027 | estats->control_frames_received += new->rx_maccontrolframesreceived; | |
4028 | estats->error_runt_packets_received += new->rx_etherstatsfragments; | |
4029 | estats->error_jabber_packets_received += new->rx_etherstatsjabbers; | |
4030 | ||
4031 | UPDATE_EXTEND_STAT(rx_ifhcinbadoctets, stat_IfHCInBadOctets_hi, | |
4032 | stat_IfHCInBadOctets_lo); | |
4033 | UPDATE_EXTEND_STAT(tx_ifhcoutbadoctets, stat_IfHCOutBadOctets_hi, | |
4034 | stat_IfHCOutBadOctets_lo); | |
4035 | estats->stat_Dot3statsInternalMacTransmitErrors += | |
4036 | new->tx_dot3statsinternalmactransmiterrors; | |
4037 | estats->stat_Dot3StatsCarrierSenseErrors += | |
4038 | new->rx_dot3statscarriersenseerrors; | |
4039 | estats->stat_Dot3StatsDeferredTransmissions += | |
4040 | new->tx_dot3statsdeferredtransmissions; | |
4041 | estats->stat_FlowControlDone += new->tx_flowcontroldone; | |
4042 | estats->stat_XoffStateEntered += new->rx_xoffstateentered; | |
4043 | } | |
4044 | ||
4045 | static int bnx2x_update_storm_stats(struct bnx2x *bp) | |
4046 | { | |
4047 | struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats); | |
4048 | struct tstorm_common_stats *tstats = &stats->tstorm_common; | |
4049 | struct tstorm_per_client_stats *tclient = | |
4050 | &tstats->client_statistics[0]; | |
4051 | struct tstorm_per_client_stats *old_tclient = &bp->old_tclient; | |
4052 | struct xstorm_common_stats *xstats = &stats->xstorm_common; | |
4053 | struct nig_stats *nstats = bnx2x_sp(bp, nig); | |
4054 | struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); | |
4055 | u32 diff; | |
4056 | ||
4057 | /* are DMAE stats valid? */ | |
4058 | if (nstats->done != 0xffffffff) { | |
4059 | DP(BNX2X_MSG_STATS, "stats not updated by dmae\n"); | |
4060 | return -1; | |
4061 | } | |
4062 | ||
4063 | /* are storm stats valid? */ | |
4064 | if (tstats->done.hi != 0xffffffff) { | |
4065 | DP(BNX2X_MSG_STATS, "stats not updated by tstorm\n"); | |
4066 | return -2; | |
4067 | } | |
4068 | if (xstats->done.hi != 0xffffffff) { | |
4069 | DP(BNX2X_MSG_STATS, "stats not updated by xstorm\n"); | |
4070 | return -3; | |
4071 | } | |
4072 | ||
4073 | estats->total_bytes_received_hi = | |
4074 | estats->valid_bytes_received_hi = | |
4075 | le32_to_cpu(tclient->total_rcv_bytes.hi); | |
4076 | estats->total_bytes_received_lo = | |
4077 | estats->valid_bytes_received_lo = | |
4078 | le32_to_cpu(tclient->total_rcv_bytes.lo); | |
4079 | ADD_64(estats->total_bytes_received_hi, | |
4080 | le32_to_cpu(tclient->rcv_error_bytes.hi), | |
4081 | estats->total_bytes_received_lo, | |
4082 | le32_to_cpu(tclient->rcv_error_bytes.lo)); | |
4083 | ||
4084 | UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, | |
4085 | total_unicast_packets_received_hi, | |
4086 | total_unicast_packets_received_lo); | |
4087 | UPDATE_EXTEND_TSTAT(rcv_multicast_pkts, | |
4088 | total_multicast_packets_received_hi, | |
4089 | total_multicast_packets_received_lo); | |
4090 | UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts, | |
4091 | total_broadcast_packets_received_hi, | |
4092 | total_broadcast_packets_received_lo); | |
4093 | ||
4094 | estats->frames_received_64_bytes = MAC_STX_NA; | |
4095 | estats->frames_received_65_127_bytes = MAC_STX_NA; | |
4096 | estats->frames_received_128_255_bytes = MAC_STX_NA; | |
4097 | estats->frames_received_256_511_bytes = MAC_STX_NA; | |
4098 | estats->frames_received_512_1023_bytes = MAC_STX_NA; | |
4099 | estats->frames_received_1024_1522_bytes = MAC_STX_NA; | |
4100 | estats->frames_received_1523_9022_bytes = MAC_STX_NA; | |
4101 | ||
4102 | estats->x_total_sent_bytes_hi = | |
4103 | le32_to_cpu(xstats->total_sent_bytes.hi); | |
4104 | estats->x_total_sent_bytes_lo = | |
4105 | le32_to_cpu(xstats->total_sent_bytes.lo); | |
4106 | estats->x_total_sent_pkts = le32_to_cpu(xstats->total_sent_pkts); | |
4107 | ||
4108 | estats->t_rcv_unicast_bytes_hi = | |
4109 | le32_to_cpu(tclient->rcv_unicast_bytes.hi); | |
4110 | estats->t_rcv_unicast_bytes_lo = | |
4111 | le32_to_cpu(tclient->rcv_unicast_bytes.lo); | |
4112 | estats->t_rcv_broadcast_bytes_hi = | |
4113 | le32_to_cpu(tclient->rcv_broadcast_bytes.hi); | |
4114 | estats->t_rcv_broadcast_bytes_lo = | |
4115 | le32_to_cpu(tclient->rcv_broadcast_bytes.lo); | |
4116 | estats->t_rcv_multicast_bytes_hi = | |
4117 | le32_to_cpu(tclient->rcv_multicast_bytes.hi); | |
4118 | estats->t_rcv_multicast_bytes_lo = | |
4119 | le32_to_cpu(tclient->rcv_multicast_bytes.lo); | |
4120 | estats->t_total_rcv_pkt = le32_to_cpu(tclient->total_rcv_pkts); | |
4121 | ||
4122 | estats->checksum_discard = le32_to_cpu(tclient->checksum_discard); | |
4123 | estats->packets_too_big_discard = | |
4124 | le32_to_cpu(tclient->packets_too_big_discard); | |
4125 | estats->jabber_packets_received = estats->packets_too_big_discard + | |
4126 | estats->stat_Dot3statsFramesTooLong; | |
4127 | estats->no_buff_discard = le32_to_cpu(tclient->no_buff_discard); | |
4128 | estats->ttl0_discard = le32_to_cpu(tclient->ttl0_discard); | |
4129 | estats->mac_discard = le32_to_cpu(tclient->mac_discard); | |
4130 | estats->mac_filter_discard = le32_to_cpu(tstats->mac_filter_discard); | |
4131 | estats->xxoverflow_discard = le32_to_cpu(tstats->xxoverflow_discard); | |
4132 | estats->brb_truncate_discard = | |
4133 | le32_to_cpu(tstats->brb_truncate_discard); | |
4134 | ||
4135 | estats->brb_discard += nstats->brb_discard - bp->old_brb_discard; | |
4136 | bp->old_brb_discard = nstats->brb_discard; | |
4137 | ||
4138 | estats->brb_packet = nstats->brb_packet; | |
4139 | estats->brb_truncate = nstats->brb_truncate; | |
4140 | estats->flow_ctrl_discard = nstats->flow_ctrl_discard; | |
4141 | estats->flow_ctrl_octets = nstats->flow_ctrl_octets; | |
4142 | estats->flow_ctrl_packet = nstats->flow_ctrl_packet; | |
4143 | estats->mng_discard = nstats->mng_discard; | |
4144 | estats->mng_octet_inp = nstats->mng_octet_inp; | |
4145 | estats->mng_octet_out = nstats->mng_octet_out; | |
4146 | estats->mng_packet_inp = nstats->mng_packet_inp; | |
4147 | estats->mng_packet_out = nstats->mng_packet_out; | |
4148 | estats->pbf_octets = nstats->pbf_octets; | |
4149 | estats->pbf_packet = nstats->pbf_packet; | |
4150 | estats->safc_inp = nstats->safc_inp; | |
4151 | ||
4152 | xstats->done.hi = 0; | |
4153 | tstats->done.hi = 0; | |
4154 | nstats->done = 0; | |
4155 | ||
4156 | return 0; | |
4157 | } | |
4158 | ||
4159 | static void bnx2x_update_net_stats(struct bnx2x *bp) | |
4160 | { | |
4161 | struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); | |
4162 | struct net_device_stats *nstats = &bp->dev->stats; | |
4163 | ||
4164 | nstats->rx_packets = | |
4165 | bnx2x_hilo(&estats->total_unicast_packets_received_hi) + | |
4166 | bnx2x_hilo(&estats->total_multicast_packets_received_hi) + | |
4167 | bnx2x_hilo(&estats->total_broadcast_packets_received_hi); | |
4168 | ||
4169 | nstats->tx_packets = | |
4170 | bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) + | |
4171 | bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) + | |
4172 | bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi); | |
4173 | ||
4174 | nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi); | |
4175 | ||
4176 | nstats->tx_bytes = | |
4177 | bnx2x_hilo(&estats->total_bytes_transmitted_hi); | |
4178 | ||
4179 | nstats->rx_dropped = estats->checksum_discard + | |
4180 | estats->mac_discard; | |
4181 | nstats->tx_dropped = 0; | |
4182 | ||
4183 | nstats->multicast = | |
4184 | bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi); | |
4185 | ||
4186 | nstats->collisions = | |
4187 | estats->single_collision_transmit_frames + | |
4188 | estats->multiple_collision_transmit_frames + | |
4189 | estats->late_collision_frames + | |
4190 | estats->excessive_collision_frames; | |
4191 | ||
4192 | nstats->rx_length_errors = estats->runt_packets_received + | |
4193 | estats->jabber_packets_received; | |
4194 | nstats->rx_over_errors = estats->no_buff_discard; | |
4195 | nstats->rx_crc_errors = estats->crc_receive_errors; | |
4196 | nstats->rx_frame_errors = estats->alignment_errors; | |
4197 | nstats->rx_fifo_errors = estats->brb_discard + | |
4198 | estats->brb_truncate_discard; | |
4199 | nstats->rx_missed_errors = estats->xxoverflow_discard; | |
4200 | ||
4201 | nstats->rx_errors = nstats->rx_length_errors + | |
4202 | nstats->rx_over_errors + | |
4203 | nstats->rx_crc_errors + | |
4204 | nstats->rx_frame_errors + | |
4205 | nstats->rx_fifo_errors; | |
4206 | ||
4207 | nstats->tx_aborted_errors = estats->late_collision_frames + | |
4208 | estats->excessive_collision_frames; | |
4209 | nstats->tx_carrier_errors = estats->false_carrier_detections; | |
4210 | nstats->tx_fifo_errors = 0; | |
4211 | nstats->tx_heartbeat_errors = 0; | |
4212 | nstats->tx_window_errors = 0; | |
4213 | ||
4214 | nstats->tx_errors = nstats->tx_aborted_errors + | |
4215 | nstats->tx_carrier_errors; | |
4216 | ||
4217 | estats->mac_stx_start = ++estats->mac_stx_end; | |
4218 | } | |
4219 | ||
4220 | static void bnx2x_update_stats(struct bnx2x *bp) | |
4221 | { | |
4222 | int i; | |
4223 | ||
4224 | if (!bnx2x_update_storm_stats(bp)) { | |
4225 | ||
4226 | if (bp->phy_flags & PHY_BMAC_FLAG) { | |
4227 | bnx2x_update_bmac_stats(bp); | |
4228 | ||
4229 | } else if (bp->phy_flags & PHY_EMAC_FLAG) { | |
4230 | bnx2x_update_emac_stats(bp); | |
4231 | ||
4232 | } else { /* unreached */ | |
4233 | BNX2X_ERR("no MAC active\n"); | |
4234 | return; | |
4235 | } | |
4236 | ||
4237 | bnx2x_update_net_stats(bp); | |
4238 | } | |
4239 | ||
4240 | if (bp->msglevel & NETIF_MSG_TIMER) { | |
4241 | struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); | |
4242 | struct net_device_stats *nstats = &bp->dev->stats; | |
4243 | ||
4244 | printk(KERN_DEBUG "%s:\n", bp->dev->name); | |
4245 | printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)" | |
4246 | " tx pkt (%lx)\n", | |
4247 | bnx2x_tx_avail(bp->fp), | |
4248 | *bp->fp->tx_cons_sb, nstats->tx_packets); | |
4249 | printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)" | |
4250 | " rx pkt (%lx)\n", | |
4251 | (u16)(*bp->fp->rx_cons_sb - bp->fp->rx_comp_cons), | |
4252 | *bp->fp->rx_cons_sb, nstats->rx_packets); | |
4253 | printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n", | |
4254 | netif_queue_stopped(bp->dev)? "Xoff" : "Xon", | |
4255 | estats->driver_xoff, estats->brb_discard); | |
4256 | printk(KERN_DEBUG "tstats: checksum_discard %u " | |
4257 | "packets_too_big_discard %u no_buff_discard %u " | |
4258 | "mac_discard %u mac_filter_discard %u " | |
4259 | "xxovrflow_discard %u brb_truncate_discard %u " | |
4260 | "ttl0_discard %u\n", | |
4261 | estats->checksum_discard, | |
4262 | estats->packets_too_big_discard, | |
4263 | estats->no_buff_discard, estats->mac_discard, | |
4264 | estats->mac_filter_discard, estats->xxoverflow_discard, | |
4265 | estats->brb_truncate_discard, estats->ttl0_discard); | |
4266 | ||
4267 | for_each_queue(bp, i) { | |
4268 | printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i, | |
4269 | bnx2x_fp(bp, i, tx_pkt), | |
4270 | bnx2x_fp(bp, i, rx_pkt), | |
4271 | bnx2x_fp(bp, i, rx_calls)); | |
4272 | } | |
4273 | } | |
4274 | ||
4275 | if (bp->state != BNX2X_STATE_OPEN) { | |
4276 | DP(BNX2X_MSG_STATS, "state is %x, returning\n", bp->state); | |
4277 | return; | |
4278 | } | |
4279 | ||
4280 | #ifdef BNX2X_STOP_ON_ERROR | |
4281 | if (unlikely(bp->panic)) | |
4282 | return; | |
4283 | #endif | |
4284 | ||
4285 | /* loader */ | |
4286 | if (bp->executer_idx) { | |
4287 | struct dmae_command *dmae = &bp->dmae; | |
4288 | int port = bp->port; | |
4289 | int loader_idx = port * 8; | |
4290 | ||
4291 | memset(dmae, 0, sizeof(struct dmae_command)); | |
4292 | ||
4293 | dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
4294 | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | | |
4295 | DMAE_CMD_DST_RESET | | |
4296 | #ifdef __BIG_ENDIAN | |
4297 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
4298 | #else | |
4299 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
4300 | #endif | |
4301 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); | |
4302 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0])); | |
4303 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0])); | |
4304 | dmae->dst_addr_lo = (DMAE_REG_CMD_MEM + | |
4305 | sizeof(struct dmae_command) * | |
4306 | (loader_idx + 1)) >> 2; | |
4307 | dmae->dst_addr_hi = 0; | |
4308 | dmae->len = sizeof(struct dmae_command) >> 2; | |
4309 | dmae->len--; /* !!! for A0/1 only */ | |
4310 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2; | |
4311 | dmae->comp_addr_hi = 0; | |
4312 | dmae->comp_val = 1; | |
4313 | ||
4314 | bnx2x_post_dmae(bp, dmae, loader_idx); | |
4315 | } | |
4316 | ||
4317 | if (bp->stats_state != STATS_STATE_ENABLE) { | |
4318 | bp->stats_state = STATS_STATE_DISABLE; | |
4319 | return; | |
4320 | } | |
4321 | ||
4322 | if (bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0, 0, 0, 0) == 0) { | |
4323 | /* stats ramrod has it's own slot on the spe */ | |
4324 | bp->spq_left++; | |
4325 | bp->stat_pending = 1; | |
4326 | } | |
4327 | } | |
4328 | ||
4329 | static void bnx2x_timer(unsigned long data) | |
4330 | { | |
4331 | struct bnx2x *bp = (struct bnx2x *) data; | |
4332 | ||
4333 | if (!netif_running(bp->dev)) | |
4334 | return; | |
4335 | ||
4336 | if (atomic_read(&bp->intr_sem) != 0) | |
4337 | goto bnx2x_restart_timer; | |
4338 | ||
4339 | if (poll) { | |
4340 | struct bnx2x_fastpath *fp = &bp->fp[0]; | |
4341 | int rc; | |
4342 | ||
4343 | bnx2x_tx_int(fp, 1000); | |
4344 | rc = bnx2x_rx_int(fp, 1000); | |
4345 | } | |
4346 | ||
4347 | if (!nomcp && (bp->bc_ver >= 0x040003)) { | |
4348 | int port = bp->port; | |
4349 | u32 drv_pulse; | |
4350 | u32 mcp_pulse; | |
4351 | ||
4352 | ++bp->fw_drv_pulse_wr_seq; | |
4353 | bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK; | |
4354 | /* TBD - add SYSTEM_TIME */ | |
4355 | drv_pulse = bp->fw_drv_pulse_wr_seq; | |
4356 | SHMEM_WR(bp, drv_fw_mb[port].drv_pulse_mb, drv_pulse); | |
4357 | ||
4358 | mcp_pulse = (SHMEM_RD(bp, drv_fw_mb[port].mcp_pulse_mb) & | |
4359 | MCP_PULSE_SEQ_MASK); | |
4360 | /* The delta between driver pulse and mcp response | |
4361 | * should be 1 (before mcp response) or 0 (after mcp response) | |
4362 | */ | |
4363 | if ((drv_pulse != mcp_pulse) && | |
4364 | (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) { | |
4365 | /* someone lost a heartbeat... */ | |
4366 | BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n", | |
4367 | drv_pulse, mcp_pulse); | |
4368 | } | |
4369 | } | |
4370 | ||
4371 | if (bp->stats_state == STATS_STATE_DISABLE) | |
4372 | goto bnx2x_restart_timer; | |
4373 | ||
4374 | bnx2x_update_stats(bp); | |
4375 | ||
4376 | bnx2x_restart_timer: | |
4377 | mod_timer(&bp->timer, jiffies + bp->current_interval); | |
4378 | } | |
4379 | ||
4380 | /* end of Statistics */ | |
4381 | ||
4382 | /* nic init */ | |
4383 | ||
4384 | /* | |
4385 | * nic init service functions | |
4386 | */ | |
4387 | ||
4388 | static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb, | |
4389 | dma_addr_t mapping, int id) | |
4390 | { | |
4391 | int port = bp->port; | |
4392 | u64 section; | |
4393 | int index; | |
4394 | ||
4395 | /* USTORM */ | |
4396 | section = ((u64)mapping) + offsetof(struct host_status_block, | |
4397 | u_status_block); | |
4398 | sb->u_status_block.status_block_id = id; | |
4399 | ||
4400 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4401 | USTORM_SB_HOST_SB_ADDR_OFFSET(port, id), U64_LO(section)); | |
4402 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4403 | ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, id)) + 4), | |
4404 | U64_HI(section)); | |
4405 | ||
4406 | for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++) | |
4407 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
4408 | USTORM_SB_HC_DISABLE_OFFSET(port, id, index), 0x1); | |
4409 | ||
4410 | /* CSTORM */ | |
4411 | section = ((u64)mapping) + offsetof(struct host_status_block, | |
4412 | c_status_block); | |
4413 | sb->c_status_block.status_block_id = id; | |
4414 | ||
4415 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
4416 | CSTORM_SB_HOST_SB_ADDR_OFFSET(port, id), U64_LO(section)); | |
4417 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
4418 | ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, id)) + 4), | |
4419 | U64_HI(section)); | |
4420 | ||
4421 | for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++) | |
4422 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
4423 | CSTORM_SB_HC_DISABLE_OFFSET(port, id, index), 0x1); | |
4424 | ||
4425 | bnx2x_ack_sb(bp, id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
4426 | } | |
4427 | ||
4428 | static void bnx2x_init_def_sb(struct bnx2x *bp, | |
4429 | struct host_def_status_block *def_sb, | |
4430 | dma_addr_t mapping, int id) | |
4431 | { | |
4432 | int port = bp->port; | |
4433 | int index, val, reg_offset; | |
4434 | u64 section; | |
4435 | ||
4436 | /* ATTN */ | |
4437 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
4438 | atten_status_block); | |
4439 | def_sb->atten_status_block.status_block_id = id; | |
4440 | ||
4441 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : | |
4442 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); | |
4443 | ||
4444 | for (index = 0; index < 3; index++) { | |
4445 | bp->attn_group[index].sig[0] = REG_RD(bp, | |
4446 | reg_offset + 0x10*index); | |
4447 | bp->attn_group[index].sig[1] = REG_RD(bp, | |
4448 | reg_offset + 0x4 + 0x10*index); | |
4449 | bp->attn_group[index].sig[2] = REG_RD(bp, | |
4450 | reg_offset + 0x8 + 0x10*index); | |
4451 | bp->attn_group[index].sig[3] = REG_RD(bp, | |
4452 | reg_offset + 0xc + 0x10*index); | |
4453 | } | |
4454 | ||
4455 | bp->aeu_mask = REG_RD(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
4456 | MISC_REG_AEU_MASK_ATTN_FUNC_0)); | |
4457 | ||
4458 | reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L : | |
4459 | HC_REG_ATTN_MSG0_ADDR_L); | |
4460 | ||
4461 | REG_WR(bp, reg_offset, U64_LO(section)); | |
4462 | REG_WR(bp, reg_offset + 4, U64_HI(section)); | |
4463 | ||
4464 | reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0); | |
4465 | ||
4466 | val = REG_RD(bp, reg_offset); | |
4467 | val |= id; | |
4468 | REG_WR(bp, reg_offset, val); | |
4469 | ||
4470 | /* USTORM */ | |
4471 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
4472 | u_def_status_block); | |
4473 | def_sb->u_def_status_block.status_block_id = id; | |
4474 | ||
4475 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4476 | USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); | |
4477 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4478 | ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), | |
4479 | U64_HI(section)); | |
4480 | REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), | |
4481 | BNX2X_BTR); | |
4482 | ||
4483 | for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++) | |
4484 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
4485 | USTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); | |
4486 | ||
4487 | /* CSTORM */ | |
4488 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
4489 | c_def_status_block); | |
4490 | def_sb->c_def_status_block.status_block_id = id; | |
4491 | ||
4492 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
4493 | CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); | |
4494 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
4495 | ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), | |
4496 | U64_HI(section)); | |
4497 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), | |
4498 | BNX2X_BTR); | |
4499 | ||
4500 | for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++) | |
4501 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
4502 | CSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); | |
4503 | ||
4504 | /* TSTORM */ | |
4505 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
4506 | t_def_status_block); | |
4507 | def_sb->t_def_status_block.status_block_id = id; | |
4508 | ||
4509 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4510 | TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); | |
4511 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4512 | ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), | |
4513 | U64_HI(section)); | |
4514 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), | |
4515 | BNX2X_BTR); | |
4516 | ||
4517 | for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++) | |
4518 | REG_WR16(bp, BAR_TSTRORM_INTMEM + | |
4519 | TSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); | |
4520 | ||
4521 | /* XSTORM */ | |
4522 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
4523 | x_def_status_block); | |
4524 | def_sb->x_def_status_block.status_block_id = id; | |
4525 | ||
4526 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
4527 | XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); | |
4528 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
4529 | ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), | |
4530 | U64_HI(section)); | |
4531 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), | |
4532 | BNX2X_BTR); | |
4533 | ||
4534 | for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++) | |
4535 | REG_WR16(bp, BAR_XSTRORM_INTMEM + | |
4536 | XSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); | |
4537 | ||
4538 | bnx2x_ack_sb(bp, id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
4539 | } | |
4540 | ||
4541 | static void bnx2x_update_coalesce(struct bnx2x *bp) | |
4542 | { | |
4543 | int port = bp->port; | |
4544 | int i; | |
4545 | ||
4546 | for_each_queue(bp, i) { | |
4547 | ||
4548 | /* HC_INDEX_U_ETH_RX_CQ_CONS */ | |
4549 | REG_WR8(bp, BAR_USTRORM_INTMEM + | |
4550 | USTORM_SB_HC_TIMEOUT_OFFSET(port, i, | |
4551 | HC_INDEX_U_ETH_RX_CQ_CONS), | |
4552 | bp->rx_ticks_int/12); | |
4553 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
4554 | USTORM_SB_HC_DISABLE_OFFSET(port, i, | |
4555 | HC_INDEX_U_ETH_RX_CQ_CONS), | |
4556 | bp->rx_ticks_int ? 0 : 1); | |
4557 | ||
4558 | /* HC_INDEX_C_ETH_TX_CQ_CONS */ | |
4559 | REG_WR8(bp, BAR_CSTRORM_INTMEM + | |
4560 | CSTORM_SB_HC_TIMEOUT_OFFSET(port, i, | |
4561 | HC_INDEX_C_ETH_TX_CQ_CONS), | |
4562 | bp->tx_ticks_int/12); | |
4563 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
4564 | CSTORM_SB_HC_DISABLE_OFFSET(port, i, | |
4565 | HC_INDEX_C_ETH_TX_CQ_CONS), | |
4566 | bp->tx_ticks_int ? 0 : 1); | |
4567 | } | |
4568 | } | |
4569 | ||
4570 | static void bnx2x_init_rx_rings(struct bnx2x *bp) | |
4571 | { | |
4572 | u16 ring_prod; | |
4573 | int i, j; | |
4574 | int port = bp->port; | |
4575 | ||
4576 | bp->rx_buf_use_size = bp->dev->mtu; | |
4577 | ||
4578 | bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD; | |
4579 | bp->rx_buf_size = bp->rx_buf_use_size + 64; | |
4580 | ||
4581 | for_each_queue(bp, j) { | |
4582 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
4583 | ||
4584 | fp->rx_bd_cons = 0; | |
4585 | fp->rx_cons_sb = BNX2X_RX_SB_INDEX; | |
4586 | ||
4587 | for (i = 1; i <= NUM_RX_RINGS; i++) { | |
4588 | struct eth_rx_bd *rx_bd; | |
4589 | ||
4590 | rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2]; | |
4591 | rx_bd->addr_hi = | |
4592 | cpu_to_le32(U64_HI(fp->rx_desc_mapping + | |
4593 | BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); | |
4594 | rx_bd->addr_lo = | |
4595 | cpu_to_le32(U64_LO(fp->rx_desc_mapping + | |
4596 | BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); | |
4597 | ||
4598 | } | |
4599 | ||
4600 | for (i = 1; i <= NUM_RCQ_RINGS; i++) { | |
4601 | struct eth_rx_cqe_next_page *nextpg; | |
4602 | ||
4603 | nextpg = (struct eth_rx_cqe_next_page *) | |
4604 | &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1]; | |
4605 | nextpg->addr_hi = | |
4606 | cpu_to_le32(U64_HI(fp->rx_comp_mapping + | |
4607 | BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); | |
4608 | nextpg->addr_lo = | |
4609 | cpu_to_le32(U64_LO(fp->rx_comp_mapping + | |
4610 | BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); | |
4611 | } | |
4612 | ||
4613 | /* rx completion queue */ | |
4614 | fp->rx_comp_cons = ring_prod = 0; | |
4615 | ||
4616 | for (i = 0; i < bp->rx_ring_size; i++) { | |
4617 | if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) { | |
4618 | BNX2X_ERR("was only able to allocate " | |
4619 | "%d rx skbs\n", i); | |
4620 | break; | |
4621 | } | |
4622 | ring_prod = NEXT_RX_IDX(ring_prod); | |
4623 | BUG_TRAP(ring_prod > i); | |
4624 | } | |
4625 | ||
4626 | fp->rx_bd_prod = fp->rx_comp_prod = ring_prod; | |
4627 | fp->rx_pkt = fp->rx_calls = 0; | |
4628 | ||
4629 | /* Warning! this will genrate an interrupt (to the TSTORM) */ | |
4630 | /* must only be done when chip is initialized */ | |
4631 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4632 | TSTORM_RCQ_PROD_OFFSET(port, j), ring_prod); | |
4633 | if (j != 0) | |
4634 | continue; | |
4635 | ||
4636 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4637 | USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(port), | |
4638 | U64_LO(fp->rx_comp_mapping)); | |
4639 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4640 | USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(port) + 4, | |
4641 | U64_HI(fp->rx_comp_mapping)); | |
4642 | } | |
4643 | } | |
4644 | ||
4645 | static void bnx2x_init_tx_ring(struct bnx2x *bp) | |
4646 | { | |
4647 | int i, j; | |
4648 | ||
4649 | for_each_queue(bp, j) { | |
4650 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
4651 | ||
4652 | for (i = 1; i <= NUM_TX_RINGS; i++) { | |
4653 | struct eth_tx_bd *tx_bd = | |
4654 | &fp->tx_desc_ring[TX_DESC_CNT * i - 1]; | |
4655 | ||
4656 | tx_bd->addr_hi = | |
4657 | cpu_to_le32(U64_HI(fp->tx_desc_mapping + | |
4658 | BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); | |
4659 | tx_bd->addr_lo = | |
4660 | cpu_to_le32(U64_LO(fp->tx_desc_mapping + | |
4661 | BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); | |
4662 | } | |
4663 | ||
4664 | fp->tx_pkt_prod = 0; | |
4665 | fp->tx_pkt_cons = 0; | |
4666 | fp->tx_bd_prod = 0; | |
4667 | fp->tx_bd_cons = 0; | |
4668 | fp->tx_cons_sb = BNX2X_TX_SB_INDEX; | |
4669 | fp->tx_pkt = 0; | |
4670 | } | |
4671 | } | |
4672 | ||
4673 | static void bnx2x_init_sp_ring(struct bnx2x *bp) | |
4674 | { | |
4675 | int port = bp->port; | |
4676 | ||
4677 | spin_lock_init(&bp->spq_lock); | |
4678 | ||
4679 | bp->spq_left = MAX_SPQ_PENDING; | |
4680 | bp->spq_prod_idx = 0; | |
4681 | bp->dsb_sp_prod_idx = 0; | |
4682 | bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX; | |
4683 | bp->spq_prod_bd = bp->spq; | |
4684 | bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT; | |
4685 | ||
4686 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PAGE_BASE_OFFSET(port), | |
4687 | U64_LO(bp->spq_mapping)); | |
4688 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PAGE_BASE_OFFSET(port) + 4, | |
4689 | U64_HI(bp->spq_mapping)); | |
4690 | ||
4691 | REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(port), | |
4692 | bp->spq_prod_idx); | |
4693 | } | |
4694 | ||
4695 | static void bnx2x_init_context(struct bnx2x *bp) | |
4696 | { | |
4697 | int i; | |
4698 | ||
4699 | for_each_queue(bp, i) { | |
4700 | struct eth_context *context = bnx2x_sp(bp, context[i].eth); | |
4701 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
4702 | ||
4703 | context->xstorm_st_context.tx_bd_page_base_hi = | |
4704 | U64_HI(fp->tx_desc_mapping); | |
4705 | context->xstorm_st_context.tx_bd_page_base_lo = | |
4706 | U64_LO(fp->tx_desc_mapping); | |
4707 | context->xstorm_st_context.db_data_addr_hi = | |
4708 | U64_HI(fp->tx_prods_mapping); | |
4709 | context->xstorm_st_context.db_data_addr_lo = | |
4710 | U64_LO(fp->tx_prods_mapping); | |
4711 | ||
4712 | context->ustorm_st_context.rx_bd_page_base_hi = | |
4713 | U64_HI(fp->rx_desc_mapping); | |
4714 | context->ustorm_st_context.rx_bd_page_base_lo = | |
4715 | U64_LO(fp->rx_desc_mapping); | |
4716 | context->ustorm_st_context.status_block_id = i; | |
4717 | context->ustorm_st_context.sb_index_number = | |
4718 | HC_INDEX_U_ETH_RX_CQ_CONS; | |
4719 | context->ustorm_st_context.rcq_base_address_hi = | |
4720 | U64_HI(fp->rx_comp_mapping); | |
4721 | context->ustorm_st_context.rcq_base_address_lo = | |
4722 | U64_LO(fp->rx_comp_mapping); | |
4723 | context->ustorm_st_context.flags = | |
4724 | USTORM_ETH_ST_CONTEXT_ENABLE_MC_ALIGNMENT; | |
4725 | context->ustorm_st_context.mc_alignment_size = 64; | |
4726 | context->ustorm_st_context.num_rss = bp->num_queues; | |
4727 | ||
4728 | context->cstorm_st_context.sb_index_number = | |
4729 | HC_INDEX_C_ETH_TX_CQ_CONS; | |
4730 | context->cstorm_st_context.status_block_id = i; | |
4731 | ||
4732 | context->xstorm_ag_context.cdu_reserved = | |
4733 | CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), | |
4734 | CDU_REGION_NUMBER_XCM_AG, | |
4735 | ETH_CONNECTION_TYPE); | |
4736 | context->ustorm_ag_context.cdu_usage = | |
4737 | CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), | |
4738 | CDU_REGION_NUMBER_UCM_AG, | |
4739 | ETH_CONNECTION_TYPE); | |
4740 | } | |
4741 | } | |
4742 | ||
4743 | static void bnx2x_init_ind_table(struct bnx2x *bp) | |
4744 | { | |
4745 | int port = bp->port; | |
4746 | int i; | |
4747 | ||
4748 | if (!is_multi(bp)) | |
4749 | return; | |
4750 | ||
4751 | for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++) | |
4752 | REG_WR8(bp, TSTORM_INDIRECTION_TABLE_OFFSET(port) + i, | |
4753 | i % bp->num_queues); | |
4754 | ||
4755 | REG_WR(bp, PRS_REG_A_PRSU_20, 0xf); | |
4756 | } | |
4757 | ||
4758 | static void bnx2x_set_storm_rx_mode(struct bnx2x *bp) | |
4759 | { | |
4760 | int mode = bp->rx_mode; | |
4761 | int port = bp->port; | |
4762 | struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0}; | |
4763 | int i; | |
4764 | ||
4765 | DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode); | |
4766 | ||
4767 | switch (mode) { | |
4768 | case BNX2X_RX_MODE_NONE: /* no Rx */ | |
4769 | tstorm_mac_filter.ucast_drop_all = 1; | |
4770 | tstorm_mac_filter.mcast_drop_all = 1; | |
4771 | tstorm_mac_filter.bcast_drop_all = 1; | |
4772 | break; | |
4773 | case BNX2X_RX_MODE_NORMAL: | |
4774 | tstorm_mac_filter.bcast_accept_all = 1; | |
4775 | break; | |
4776 | case BNX2X_RX_MODE_ALLMULTI: | |
4777 | tstorm_mac_filter.mcast_accept_all = 1; | |
4778 | tstorm_mac_filter.bcast_accept_all = 1; | |
4779 | break; | |
4780 | case BNX2X_RX_MODE_PROMISC: | |
4781 | tstorm_mac_filter.ucast_accept_all = 1; | |
4782 | tstorm_mac_filter.mcast_accept_all = 1; | |
4783 | tstorm_mac_filter.bcast_accept_all = 1; | |
4784 | break; | |
4785 | default: | |
4786 | BNX2X_ERR("bad rx mode (%d)\n", mode); | |
4787 | } | |
4788 | ||
4789 | for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) { | |
4790 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4791 | TSTORM_MAC_FILTER_CONFIG_OFFSET(port) + i * 4, | |
4792 | ((u32 *)&tstorm_mac_filter)[i]); | |
4793 | ||
4794 | /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i, | |
4795 | ((u32 *)&tstorm_mac_filter)[i]); */ | |
4796 | } | |
4797 | } | |
4798 | ||
4799 | static void bnx2x_set_client_config(struct bnx2x *bp, int client_id) | |
4800 | { | |
4801 | #ifdef BCM_VLAN | |
4802 | int mode = bp->rx_mode; | |
4803 | #endif | |
4804 | int port = bp->port; | |
4805 | struct tstorm_eth_client_config tstorm_client = {0}; | |
4806 | ||
4807 | tstorm_client.mtu = bp->dev->mtu; | |
4808 | tstorm_client.statistics_counter_id = 0; | |
4809 | tstorm_client.config_flags = | |
4810 | TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE; | |
4811 | #ifdef BCM_VLAN | |
4812 | if (mode && bp->vlgrp) { | |
4813 | tstorm_client.config_flags |= | |
4814 | TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE; | |
4815 | DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); | |
4816 | } | |
4817 | #endif | |
4818 | tstorm_client.drop_flags = (TSTORM_ETH_CLIENT_CONFIG_DROP_IP_CS_ERR | | |
4819 | TSTORM_ETH_CLIENT_CONFIG_DROP_TCP_CS_ERR | | |
4820 | TSTORM_ETH_CLIENT_CONFIG_DROP_UDP_CS_ERR | | |
4821 | TSTORM_ETH_CLIENT_CONFIG_DROP_MAC_ERR); | |
4822 | ||
4823 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4824 | TSTORM_CLIENT_CONFIG_OFFSET(port, client_id), | |
4825 | ((u32 *)&tstorm_client)[0]); | |
4826 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4827 | TSTORM_CLIENT_CONFIG_OFFSET(port, client_id) + 4, | |
4828 | ((u32 *)&tstorm_client)[1]); | |
4829 | ||
4830 | /* DP(NETIF_MSG_IFUP, "tstorm_client: 0x%08x 0x%08x\n", | |
4831 | ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]); */ | |
4832 | } | |
4833 | ||
4834 | static void bnx2x_init_internal(struct bnx2x *bp) | |
4835 | { | |
4836 | int port = bp->port; | |
4837 | struct tstorm_eth_function_common_config tstorm_config = {0}; | |
4838 | struct stats_indication_flags stats_flags = {0}; | |
4839 | int i; | |
4840 | ||
4841 | if (is_multi(bp)) { | |
4842 | tstorm_config.config_flags = MULTI_FLAGS; | |
4843 | tstorm_config.rss_result_mask = MULTI_MASK; | |
4844 | } | |
4845 | ||
4846 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4847 | TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(port), | |
4848 | (*(u32 *)&tstorm_config)); | |
4849 | ||
4850 | /* DP(NETIF_MSG_IFUP, "tstorm_config: 0x%08x\n", | |
4851 | (*(u32 *)&tstorm_config)); */ | |
4852 | ||
4853 | bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx untill link is up */ | |
4854 | bnx2x_set_storm_rx_mode(bp); | |
4855 | ||
4856 | for_each_queue(bp, i) | |
4857 | bnx2x_set_client_config(bp, i); | |
4858 | ||
4859 | ||
4860 | stats_flags.collect_eth = cpu_to_le32(1); | |
4861 | ||
4862 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port), | |
4863 | ((u32 *)&stats_flags)[0]); | |
4864 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port) + 4, | |
4865 | ((u32 *)&stats_flags)[1]); | |
4866 | ||
4867 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port), | |
4868 | ((u32 *)&stats_flags)[0]); | |
4869 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port) + 4, | |
4870 | ((u32 *)&stats_flags)[1]); | |
4871 | ||
4872 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port), | |
4873 | ((u32 *)&stats_flags)[0]); | |
4874 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port) + 4, | |
4875 | ((u32 *)&stats_flags)[1]); | |
4876 | ||
4877 | /* DP(NETIF_MSG_IFUP, "stats_flags: 0x%08x 0x%08x\n", | |
4878 | ((u32 *)&stats_flags)[0], ((u32 *)&stats_flags)[1]); */ | |
4879 | } | |
4880 | ||
4881 | static void bnx2x_nic_init(struct bnx2x *bp) | |
4882 | { | |
4883 | int i; | |
4884 | ||
4885 | for_each_queue(bp, i) { | |
4886 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
4887 | ||
4888 | fp->state = BNX2X_FP_STATE_CLOSED; | |
4889 | DP(NETIF_MSG_IFUP, "bnx2x_init_sb(%p,%p,%d);\n", | |
4890 | bp, fp->status_blk, i); | |
4891 | fp->index = i; | |
4892 | bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping, i); | |
4893 | } | |
4894 | ||
4895 | bnx2x_init_def_sb(bp, bp->def_status_blk, | |
4896 | bp->def_status_blk_mapping, 0x10); | |
4897 | bnx2x_update_coalesce(bp); | |
4898 | bnx2x_init_rx_rings(bp); | |
4899 | bnx2x_init_tx_ring(bp); | |
4900 | bnx2x_init_sp_ring(bp); | |
4901 | bnx2x_init_context(bp); | |
4902 | bnx2x_init_internal(bp); | |
4903 | bnx2x_init_stats(bp); | |
4904 | bnx2x_init_ind_table(bp); | |
4905 | bnx2x_enable_int(bp); | |
4906 | ||
4907 | } | |
4908 | ||
4909 | /* end of nic init */ | |
4910 | ||
4911 | /* | |
4912 | * gzip service functions | |
4913 | */ | |
4914 | ||
4915 | static int bnx2x_gunzip_init(struct bnx2x *bp) | |
4916 | { | |
4917 | bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE, | |
4918 | &bp->gunzip_mapping); | |
4919 | if (bp->gunzip_buf == NULL) | |
4920 | goto gunzip_nomem1; | |
4921 | ||
4922 | bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL); | |
4923 | if (bp->strm == NULL) | |
4924 | goto gunzip_nomem2; | |
4925 | ||
4926 | bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), | |
4927 | GFP_KERNEL); | |
4928 | if (bp->strm->workspace == NULL) | |
4929 | goto gunzip_nomem3; | |
4930 | ||
4931 | return 0; | |
4932 | ||
4933 | gunzip_nomem3: | |
4934 | kfree(bp->strm); | |
4935 | bp->strm = NULL; | |
4936 | ||
4937 | gunzip_nomem2: | |
4938 | pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf, | |
4939 | bp->gunzip_mapping); | |
4940 | bp->gunzip_buf = NULL; | |
4941 | ||
4942 | gunzip_nomem1: | |
4943 | printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for" | |
4944 | " uncompression\n", bp->dev->name); | |
4945 | return -ENOMEM; | |
4946 | } | |
4947 | ||
4948 | static void bnx2x_gunzip_end(struct bnx2x *bp) | |
4949 | { | |
4950 | kfree(bp->strm->workspace); | |
4951 | ||
4952 | kfree(bp->strm); | |
4953 | bp->strm = NULL; | |
4954 | ||
4955 | if (bp->gunzip_buf) { | |
4956 | pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf, | |
4957 | bp->gunzip_mapping); | |
4958 | bp->gunzip_buf = NULL; | |
4959 | } | |
4960 | } | |
4961 | ||
4962 | static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len) | |
4963 | { | |
4964 | int n, rc; | |
4965 | ||
4966 | /* check gzip header */ | |
4967 | if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) | |
4968 | return -EINVAL; | |
4969 | ||
4970 | n = 10; | |
4971 | ||
4972 | #define FNAME 0x8 | |
4973 | ||
4974 | if (zbuf[3] & FNAME) | |
4975 | while ((zbuf[n++] != 0) && (n < len)); | |
4976 | ||
4977 | bp->strm->next_in = zbuf + n; | |
4978 | bp->strm->avail_in = len - n; | |
4979 | bp->strm->next_out = bp->gunzip_buf; | |
4980 | bp->strm->avail_out = FW_BUF_SIZE; | |
4981 | ||
4982 | rc = zlib_inflateInit2(bp->strm, -MAX_WBITS); | |
4983 | if (rc != Z_OK) | |
4984 | return rc; | |
4985 | ||
4986 | rc = zlib_inflate(bp->strm, Z_FINISH); | |
4987 | if ((rc != Z_OK) && (rc != Z_STREAM_END)) | |
4988 | printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n", | |
4989 | bp->dev->name, bp->strm->msg); | |
4990 | ||
4991 | bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out); | |
4992 | if (bp->gunzip_outlen & 0x3) | |
4993 | printk(KERN_ERR PFX "%s: Firmware decompression error:" | |
4994 | " gunzip_outlen (%d) not aligned\n", | |
4995 | bp->dev->name, bp->gunzip_outlen); | |
4996 | bp->gunzip_outlen >>= 2; | |
4997 | ||
4998 | zlib_inflateEnd(bp->strm); | |
4999 | ||
5000 | if (rc == Z_STREAM_END) | |
5001 | return 0; | |
5002 | ||
5003 | return rc; | |
5004 | } | |
5005 | ||
5006 | /* nic load/unload */ | |
5007 | ||
5008 | /* | |
5009 | * general service functions | |
5010 | */ | |
5011 | ||
5012 | /* send a NIG loopback debug packet */ | |
5013 | static void bnx2x_lb_pckt(struct bnx2x *bp) | |
5014 | { | |
5015 | #ifdef USE_DMAE | |
5016 | u32 wb_write[3]; | |
5017 | #endif | |
5018 | ||
5019 | /* Ethernet source and destination addresses */ | |
5020 | #ifdef USE_DMAE | |
5021 | wb_write[0] = 0x55555555; | |
5022 | wb_write[1] = 0x55555555; | |
5023 | wb_write[2] = 0x20; /* SOP */ | |
5024 | REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); | |
5025 | #else | |
5026 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB, 0x55555555); | |
5027 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 4, 0x55555555); | |
5028 | /* SOP */ | |
5029 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 8, 0x20); | |
5030 | #endif | |
5031 | ||
5032 | /* NON-IP protocol */ | |
5033 | #ifdef USE_DMAE | |
5034 | wb_write[0] = 0x09000000; | |
5035 | wb_write[1] = 0x55555555; | |
5036 | wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */ | |
5037 | REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); | |
5038 | #else | |
5039 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB, 0x09000000); | |
5040 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 4, 0x55555555); | |
5041 | /* EOP, eop_bvalid = 0 */ | |
5042 | REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 8, 0x10); | |
5043 | #endif | |
5044 | } | |
5045 | ||
5046 | /* some of the internal memories | |
5047 | * are not directly readable from the driver | |
5048 | * to test them we send debug packets | |
5049 | */ | |
5050 | static int bnx2x_int_mem_test(struct bnx2x *bp) | |
5051 | { | |
5052 | int factor; | |
5053 | int count, i; | |
5054 | u32 val = 0; | |
5055 | ||
5056 | switch (CHIP_REV(bp)) { | |
5057 | case CHIP_REV_EMUL: | |
5058 | factor = 200; | |
5059 | break; | |
5060 | case CHIP_REV_FPGA: | |
5061 | factor = 120; | |
5062 | break; | |
5063 | default: | |
5064 | factor = 1; | |
5065 | break; | |
5066 | } | |
5067 | ||
5068 | DP(NETIF_MSG_HW, "start part1\n"); | |
5069 | ||
5070 | /* Disable inputs of parser neighbor blocks */ | |
5071 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); | |
5072 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); | |
5073 | REG_WR(bp, CFC_REG_DEBUG0, 0x1); | |
5074 | NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0); | |
5075 | ||
5076 | /* Write 0 to parser credits for CFC search request */ | |
5077 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); | |
5078 | ||
5079 | /* send Ethernet packet */ | |
5080 | bnx2x_lb_pckt(bp); | |
5081 | ||
5082 | /* TODO do i reset NIG statistic? */ | |
5083 | /* Wait until NIG register shows 1 packet of size 0x10 */ | |
5084 | count = 1000 * factor; | |
5085 | while (count) { | |
5086 | #ifdef BNX2X_DMAE_RD | |
5087 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
5088 | val = *bnx2x_sp(bp, wb_data[0]); | |
5089 | #else | |
5090 | val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); | |
5091 | REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); | |
5092 | #endif | |
5093 | if (val == 0x10) | |
5094 | break; | |
5095 | ||
5096 | msleep(10); | |
5097 | count--; | |
5098 | } | |
5099 | if (val != 0x10) { | |
5100 | BNX2X_ERR("NIG timeout val = 0x%x\n", val); | |
5101 | return -1; | |
5102 | } | |
5103 | ||
5104 | /* Wait until PRS register shows 1 packet */ | |
5105 | count = 1000 * factor; | |
5106 | while (count) { | |
5107 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
5108 | ||
5109 | if (val == 1) | |
5110 | break; | |
5111 | ||
5112 | msleep(10); | |
5113 | count--; | |
5114 | } | |
5115 | if (val != 0x1) { | |
5116 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
5117 | return -2; | |
5118 | } | |
5119 | ||
5120 | /* Reset and init BRB, PRS */ | |
5121 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x3); | |
5122 | msleep(50); | |
5123 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x3); | |
5124 | msleep(50); | |
5125 | bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); | |
5126 | bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); | |
5127 | ||
5128 | DP(NETIF_MSG_HW, "part2\n"); | |
5129 | ||
5130 | /* Disable inputs of parser neighbor blocks */ | |
5131 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); | |
5132 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); | |
5133 | REG_WR(bp, CFC_REG_DEBUG0, 0x1); | |
5134 | NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0); | |
5135 | ||
5136 | /* Write 0 to parser credits for CFC search request */ | |
5137 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); | |
5138 | ||
5139 | /* send 10 Ethernet packets */ | |
5140 | for (i = 0; i < 10; i++) | |
5141 | bnx2x_lb_pckt(bp); | |
5142 | ||
5143 | /* Wait until NIG register shows 10 + 1 | |
5144 | packets of size 11*0x10 = 0xb0 */ | |
5145 | count = 1000 * factor; | |
5146 | while (count) { | |
5147 | #ifdef BNX2X_DMAE_RD | |
5148 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
5149 | val = *bnx2x_sp(bp, wb_data[0]); | |
5150 | #else | |
5151 | val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); | |
5152 | REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); | |
5153 | #endif | |
5154 | if (val == 0xb0) | |
5155 | break; | |
5156 | ||
5157 | msleep(10); | |
5158 | count--; | |
5159 | } | |
5160 | if (val != 0xb0) { | |
5161 | BNX2X_ERR("NIG timeout val = 0x%x\n", val); | |
5162 | return -3; | |
5163 | } | |
5164 | ||
5165 | /* Wait until PRS register shows 2 packets */ | |
5166 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
5167 | if (val != 2) | |
5168 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
5169 | ||
5170 | /* Write 1 to parser credits for CFC search request */ | |
5171 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1); | |
5172 | ||
5173 | /* Wait until PRS register shows 3 packets */ | |
5174 | msleep(10 * factor); | |
5175 | /* Wait until NIG register shows 1 packet of size 0x10 */ | |
5176 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
5177 | if (val != 3) | |
5178 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
5179 | ||
5180 | /* clear NIG EOP FIFO */ | |
5181 | for (i = 0; i < 11; i++) | |
5182 | REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO); | |
5183 | val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY); | |
5184 | if (val != 1) { | |
5185 | BNX2X_ERR("clear of NIG failed\n"); | |
5186 | return -4; | |
5187 | } | |
5188 | ||
5189 | /* Reset and init BRB, PRS, NIG */ | |
5190 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03); | |
5191 | msleep(50); | |
5192 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03); | |
5193 | msleep(50); | |
5194 | bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); | |
5195 | bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); | |
5196 | #ifndef BCM_ISCSI | |
5197 | /* set NIC mode */ | |
5198 | REG_WR(bp, PRS_REG_NIC_MODE, 1); | |
5199 | #endif | |
5200 | ||
5201 | /* Enable inputs of parser neighbor blocks */ | |
5202 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff); | |
5203 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x1); | |
5204 | REG_WR(bp, CFC_REG_DEBUG0, 0x0); | |
5205 | NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x1); | |
5206 | ||
5207 | DP(NETIF_MSG_HW, "done\n"); | |
5208 | ||
5209 | return 0; /* OK */ | |
5210 | } | |
5211 | ||
5212 | static void enable_blocks_attention(struct bnx2x *bp) | |
5213 | { | |
5214 | REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); | |
5215 | REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0); | |
5216 | REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); | |
5217 | REG_WR(bp, CFC_REG_CFC_INT_MASK, 0); | |
5218 | REG_WR(bp, QM_REG_QM_INT_MASK, 0); | |
5219 | REG_WR(bp, TM_REG_TM_INT_MASK, 0); | |
5220 | REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0); | |
5221 | REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0); | |
5222 | REG_WR(bp, XCM_REG_XCM_INT_MASK, 0); | |
5223 | /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */ | |
5224 | /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */ | |
5225 | REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0); | |
5226 | REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0); | |
5227 | REG_WR(bp, UCM_REG_UCM_INT_MASK, 0); | |
5228 | /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */ | |
5229 | /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */ | |
5230 | REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0); | |
5231 | REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0); | |
5232 | REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0); | |
5233 | REG_WR(bp, CCM_REG_CCM_INT_MASK, 0); | |
5234 | /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */ | |
5235 | /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */ | |
5236 | REG_WR(bp, PXP2_REG_PXP2_INT_MASK, 0x480000); | |
5237 | REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0); | |
5238 | REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0); | |
5239 | REG_WR(bp, TCM_REG_TCM_INT_MASK, 0); | |
5240 | /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */ | |
5241 | /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */ | |
5242 | REG_WR(bp, CDU_REG_CDU_INT_MASK, 0); | |
5243 | REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0); | |
5244 | /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */ | |
5245 | REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */ | |
5246 | } | |
5247 | ||
5248 | static int bnx2x_function_init(struct bnx2x *bp, int mode) | |
5249 | { | |
5250 | int func = bp->port; | |
5251 | int port = func ? PORT1 : PORT0; | |
5252 | u32 val, i; | |
5253 | #ifdef USE_DMAE | |
5254 | u32 wb_write[2]; | |
5255 | #endif | |
5256 | ||
5257 | DP(BNX2X_MSG_MCP, "function is %d mode is %x\n", func, mode); | |
5258 | if ((func != 0) && (func != 1)) { | |
5259 | BNX2X_ERR("BAD function number (%d)\n", func); | |
5260 | return -ENODEV; | |
5261 | } | |
5262 | ||
5263 | bnx2x_gunzip_init(bp); | |
5264 | ||
5265 | if (mode & 0x1) { /* init common */ | |
5266 | DP(BNX2X_MSG_MCP, "starting common init func %d mode %x\n", | |
5267 | func, mode); | |
5268 | REG_WR(bp, MISC_REG_RESET_REG_1, 0xffffffff); | |
5269 | REG_WR(bp, MISC_REG_RESET_REG_2, 0xfffc); | |
5270 | bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END); | |
5271 | ||
5272 | REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100); | |
5273 | msleep(30); | |
5274 | REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0); | |
5275 | ||
5276 | bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END); | |
5277 | bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END); | |
5278 | ||
5279 | bnx2x_init_pxp(bp); | |
5280 | ||
5281 | if (CHIP_REV(bp) == CHIP_REV_Ax) { | |
5282 | /* enable HW interrupt from PXP on USDM | |
5283 | overflow bit 16 on INT_MASK_0 */ | |
5284 | REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); | |
5285 | } | |
5286 | ||
5287 | #ifdef __BIG_ENDIAN | |
5288 | REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1); | |
5289 | REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1); | |
5290 | REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1); | |
5291 | REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1); | |
5292 | REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1); | |
5293 | REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1); | |
5294 | ||
5295 | /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */ | |
5296 | REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1); | |
5297 | REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1); | |
5298 | REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1); | |
5299 | REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1); | |
5300 | #endif | |
5301 | ||
5302 | #ifndef BCM_ISCSI | |
5303 | /* set NIC mode */ | |
5304 | REG_WR(bp, PRS_REG_NIC_MODE, 1); | |
5305 | #endif | |
5306 | ||
5307 | REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 5); | |
5308 | #ifdef BCM_ISCSI | |
5309 | REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5); | |
5310 | REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5); | |
5311 | REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5); | |
5312 | #endif | |
5313 | ||
5314 | bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END); | |
5315 | ||
5316 | /* let the HW do it's magic ... */ | |
5317 | msleep(100); | |
5318 | /* finish PXP init | |
5319 | (can be moved up if we want to use the DMAE) */ | |
5320 | val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE); | |
5321 | if (val != 1) { | |
5322 | BNX2X_ERR("PXP2 CFG failed\n"); | |
5323 | return -EBUSY; | |
5324 | } | |
5325 | ||
5326 | val = REG_RD(bp, PXP2_REG_RD_INIT_DONE); | |
5327 | if (val != 1) { | |
5328 | BNX2X_ERR("PXP2 RD_INIT failed\n"); | |
5329 | return -EBUSY; | |
5330 | } | |
5331 | ||
5332 | REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0); | |
5333 | REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0); | |
5334 | ||
5335 | bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8); | |
5336 | ||
5337 | bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END); | |
5338 | bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END); | |
5339 | bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END); | |
5340 | bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END); | |
5341 | ||
5342 | #ifdef BNX2X_DMAE_RD | |
5343 | bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3); | |
5344 | bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3); | |
5345 | bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3); | |
5346 | bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3); | |
5347 | #else | |
5348 | REG_RD(bp, XSEM_REG_PASSIVE_BUFFER); | |
5349 | REG_RD(bp, XSEM_REG_PASSIVE_BUFFER + 4); | |
5350 | REG_RD(bp, XSEM_REG_PASSIVE_BUFFER + 8); | |
5351 | REG_RD(bp, CSEM_REG_PASSIVE_BUFFER); | |
5352 | REG_RD(bp, CSEM_REG_PASSIVE_BUFFER + 4); | |
5353 | REG_RD(bp, CSEM_REG_PASSIVE_BUFFER + 8); | |
5354 | REG_RD(bp, TSEM_REG_PASSIVE_BUFFER); | |
5355 | REG_RD(bp, TSEM_REG_PASSIVE_BUFFER + 4); | |
5356 | REG_RD(bp, TSEM_REG_PASSIVE_BUFFER + 8); | |
5357 | REG_RD(bp, USEM_REG_PASSIVE_BUFFER); | |
5358 | REG_RD(bp, USEM_REG_PASSIVE_BUFFER + 4); | |
5359 | REG_RD(bp, USEM_REG_PASSIVE_BUFFER + 8); | |
5360 | #endif | |
5361 | bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END); | |
5362 | /* softrest pulse */ | |
5363 | REG_WR(bp, QM_REG_SOFT_RESET, 1); | |
5364 | REG_WR(bp, QM_REG_SOFT_RESET, 0); | |
5365 | ||
5366 | #ifdef BCM_ISCSI | |
5367 | bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END); | |
5368 | #endif | |
5369 | bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END); | |
5370 | REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_BITS); | |
5371 | if (CHIP_REV(bp) == CHIP_REV_Ax) { | |
5372 | /* enable hw interrupt from doorbell Q */ | |
5373 | REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); | |
5374 | } | |
5375 | ||
5376 | bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); | |
5377 | ||
5378 | if (CHIP_REV_IS_SLOW(bp)) { | |
5379 | /* fix for emulation and FPGA for no pause */ | |
5380 | REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513); | |
5381 | REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513); | |
5382 | REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0); | |
5383 | REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0); | |
5384 | } | |
5385 | ||
5386 | bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); | |
5387 | ||
5388 | bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END); | |
5389 | bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END); | |
5390 | bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END); | |
5391 | bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END); | |
5392 | ||
5393 | bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); | |
5394 | bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); | |
5395 | bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); | |
5396 | bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); | |
5397 | ||
5398 | bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END); | |
5399 | bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END); | |
5400 | bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END); | |
5401 | bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END); | |
5402 | ||
5403 | /* sync semi rtc */ | |
5404 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
5405 | 0x80000000); | |
5406 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, | |
5407 | 0x80000000); | |
5408 | ||
5409 | bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END); | |
5410 | bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END); | |
5411 | bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END); | |
5412 | ||
5413 | REG_WR(bp, SRC_REG_SOFT_RST, 1); | |
5414 | for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) { | |
5415 | REG_WR(bp, i, 0xc0cac01a); | |
5416 | /* TODO: repleace with something meaningfull */ | |
5417 | } | |
5418 | /* SRCH COMMON comes here */ | |
5419 | REG_WR(bp, SRC_REG_SOFT_RST, 0); | |
5420 | ||
5421 | if (sizeof(union cdu_context) != 1024) { | |
5422 | /* we currently assume that a context is 1024 bytes */ | |
5423 | printk(KERN_ALERT PFX "please adjust the size of" | |
5424 | " cdu_context(%ld)\n", | |
5425 | (long)sizeof(union cdu_context)); | |
5426 | } | |
5427 | val = (4 << 24) + (0 << 12) + 1024; | |
5428 | REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val); | |
5429 | bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END); | |
5430 | ||
5431 | bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END); | |
5432 | REG_WR(bp, CFC_REG_INIT_REG, 0x7FF); | |
5433 | ||
5434 | bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END); | |
5435 | bnx2x_init_block(bp, MISC_AEU_COMMON_START, | |
5436 | MISC_AEU_COMMON_END); | |
5437 | /* RXPCS COMMON comes here */ | |
5438 | /* EMAC0 COMMON comes here */ | |
5439 | /* EMAC1 COMMON comes here */ | |
5440 | /* DBU COMMON comes here */ | |
5441 | /* DBG COMMON comes here */ | |
5442 | bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END); | |
5443 | ||
5444 | if (CHIP_REV_IS_SLOW(bp)) | |
5445 | msleep(200); | |
5446 | ||
5447 | /* finish CFC init */ | |
5448 | val = REG_RD(bp, CFC_REG_LL_INIT_DONE); | |
5449 | if (val != 1) { | |
5450 | BNX2X_ERR("CFC LL_INIT failed\n"); | |
5451 | return -EBUSY; | |
5452 | } | |
5453 | ||
5454 | val = REG_RD(bp, CFC_REG_AC_INIT_DONE); | |
5455 | if (val != 1) { | |
5456 | BNX2X_ERR("CFC AC_INIT failed\n"); | |
5457 | return -EBUSY; | |
5458 | } | |
5459 | ||
5460 | val = REG_RD(bp, CFC_REG_CAM_INIT_DONE); | |
5461 | if (val != 1) { | |
5462 | BNX2X_ERR("CFC CAM_INIT failed\n"); | |
5463 | return -EBUSY; | |
5464 | } | |
5465 | ||
5466 | REG_WR(bp, CFC_REG_DEBUG0, 0); | |
5467 | ||
5468 | /* read NIG statistic | |
5469 | to see if this is our first up since powerup */ | |
5470 | #ifdef BNX2X_DMAE_RD | |
5471 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
5472 | val = *bnx2x_sp(bp, wb_data[0]); | |
5473 | #else | |
5474 | val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); | |
5475 | REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); | |
5476 | #endif | |
5477 | /* do internal memory self test */ | |
5478 | if ((val == 0) && bnx2x_int_mem_test(bp)) { | |
5479 | BNX2X_ERR("internal mem selftest failed\n"); | |
5480 | return -EBUSY; | |
5481 | } | |
5482 | ||
5483 | /* clear PXP2 attentions */ | |
5484 | REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR); | |
5485 | ||
5486 | enable_blocks_attention(bp); | |
5487 | /* enable_blocks_parity(bp); */ | |
5488 | ||
5489 | } /* end of common init */ | |
5490 | ||
5491 | /* per port init */ | |
5492 | ||
5493 | /* the phys address is shifted right 12 bits and has an added | |
5494 | 1=valid bit added to the 53rd bit | |
5495 | then since this is a wide register(TM) | |
5496 | we split it into two 32 bit writes | |
5497 | */ | |
5498 | #define RQ_ONCHIP_AT_PORT_SIZE 384 | |
5499 | #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF)) | |
5500 | #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44))) | |
5501 | #define PXP_ONE_ILT(x) ((x << 10) | x) | |
5502 | ||
5503 | DP(BNX2X_MSG_MCP, "starting per-function init port is %x\n", func); | |
5504 | ||
5505 | REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + func*4, 0); | |
5506 | ||
5507 | /* Port PXP comes here */ | |
5508 | /* Port PXP2 comes here */ | |
5509 | ||
5510 | /* Offset is | |
5511 | * Port0 0 | |
5512 | * Port1 384 */ | |
5513 | i = func * RQ_ONCHIP_AT_PORT_SIZE; | |
5514 | #ifdef USE_DMAE | |
5515 | wb_write[0] = ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context)); | |
5516 | wb_write[1] = ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context)); | |
5517 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
5518 | #else | |
5519 | REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, | |
5520 | ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context))); | |
5521 | REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + i*8 + 4, | |
5522 | ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context))); | |
5523 | #endif | |
5524 | REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4, PXP_ONE_ILT(i)); | |
5525 | ||
5526 | #ifdef BCM_ISCSI | |
5527 | /* Port0 1 | |
5528 | * Port1 385 */ | |
5529 | i++; | |
5530 | wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping); | |
5531 | wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping); | |
5532 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
5533 | REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i)); | |
5534 | ||
5535 | /* Port0 2 | |
5536 | * Port1 386 */ | |
5537 | i++; | |
5538 | wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping); | |
5539 | wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping); | |
5540 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
5541 | REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i)); | |
5542 | ||
5543 | /* Port0 3 | |
5544 | * Port1 387 */ | |
5545 | i++; | |
5546 | wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping); | |
5547 | wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping); | |
5548 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
5549 | REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i)); | |
5550 | #endif | |
5551 | ||
5552 | /* Port TCM comes here */ | |
5553 | /* Port UCM comes here */ | |
5554 | /* Port CCM comes here */ | |
5555 | bnx2x_init_block(bp, func ? XCM_PORT1_START : XCM_PORT0_START, | |
5556 | func ? XCM_PORT1_END : XCM_PORT0_END); | |
5557 | ||
5558 | #ifdef USE_DMAE | |
5559 | wb_write[0] = 0; | |
5560 | wb_write[1] = 0; | |
5561 | #endif | |
5562 | for (i = 0; i < 32; i++) { | |
5563 | REG_WR(bp, QM_REG_BASEADDR + (func*32 + i)*4, 1024 * 4 * i); | |
5564 | #ifdef USE_DMAE | |
5565 | REG_WR_DMAE(bp, QM_REG_PTRTBL + (func*32 + i)*8, wb_write, 2); | |
5566 | #else | |
5567 | REG_WR_IND(bp, QM_REG_PTRTBL + (func*32 + i)*8, 0); | |
5568 | REG_WR_IND(bp, QM_REG_PTRTBL + (func*32 + i)*8 + 4, 0); | |
5569 | #endif | |
5570 | } | |
5571 | REG_WR(bp, QM_REG_CONNNUM_0 + func*4, 1024/16 - 1); | |
5572 | ||
5573 | /* Port QM comes here */ | |
5574 | ||
5575 | #ifdef BCM_ISCSI | |
5576 | REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20); | |
5577 | REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31); | |
5578 | ||
5579 | bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START, | |
5580 | func ? TIMERS_PORT1_END : TIMERS_PORT0_END); | |
5581 | #endif | |
5582 | /* Port DQ comes here */ | |
5583 | /* Port BRB1 comes here */ | |
5584 | bnx2x_init_block(bp, func ? PRS_PORT1_START : PRS_PORT0_START, | |
5585 | func ? PRS_PORT1_END : PRS_PORT0_END); | |
5586 | /* Port TSDM comes here */ | |
5587 | /* Port CSDM comes here */ | |
5588 | /* Port USDM comes here */ | |
5589 | /* Port XSDM comes here */ | |
5590 | bnx2x_init_block(bp, func ? TSEM_PORT1_START : TSEM_PORT0_START, | |
5591 | func ? TSEM_PORT1_END : TSEM_PORT0_END); | |
5592 | bnx2x_init_block(bp, func ? USEM_PORT1_START : USEM_PORT0_START, | |
5593 | func ? USEM_PORT1_END : USEM_PORT0_END); | |
5594 | bnx2x_init_block(bp, func ? CSEM_PORT1_START : CSEM_PORT0_START, | |
5595 | func ? CSEM_PORT1_END : CSEM_PORT0_END); | |
5596 | bnx2x_init_block(bp, func ? XSEM_PORT1_START : XSEM_PORT0_START, | |
5597 | func ? XSEM_PORT1_END : XSEM_PORT0_END); | |
5598 | /* Port UPB comes here */ | |
5599 | /* Port XSDM comes here */ | |
5600 | bnx2x_init_block(bp, func ? PBF_PORT1_START : PBF_PORT0_START, | |
5601 | func ? PBF_PORT1_END : PBF_PORT0_END); | |
5602 | ||
5603 | /* configure PBF to work without PAUSE mtu 9000 */ | |
5604 | REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + func*4, 0); | |
5605 | ||
5606 | /* update threshold */ | |
5607 | REG_WR(bp, PBF_REG_P0_ARB_THRSH + func*4, (9040/16)); | |
5608 | /* update init credit */ | |
5609 | REG_WR(bp, PBF_REG_P0_INIT_CRD + func*4, (9040/16) + 553 - 22); | |
5610 | ||
5611 | /* probe changes */ | |
5612 | REG_WR(bp, PBF_REG_INIT_P0 + func*4, 1); | |
5613 | msleep(5); | |
5614 | REG_WR(bp, PBF_REG_INIT_P0 + func*4, 0); | |
5615 | ||
5616 | #ifdef BCM_ISCSI | |
5617 | /* tell the searcher where the T2 table is */ | |
5618 | REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64); | |
5619 | ||
5620 | wb_write[0] = U64_LO(bp->t2_mapping); | |
5621 | wb_write[1] = U64_HI(bp->t2_mapping); | |
5622 | REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2); | |
5623 | wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64); | |
5624 | wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64); | |
5625 | REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2); | |
5626 | ||
5627 | REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10); | |
5628 | /* Port SRCH comes here */ | |
5629 | #endif | |
5630 | /* Port CDU comes here */ | |
5631 | /* Port CFC comes here */ | |
5632 | bnx2x_init_block(bp, func ? HC_PORT1_START : HC_PORT0_START, | |
5633 | func ? HC_PORT1_END : HC_PORT0_END); | |
5634 | bnx2x_init_block(bp, func ? MISC_AEU_PORT1_START : | |
5635 | MISC_AEU_PORT0_START, | |
5636 | func ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END); | |
5637 | /* Port PXPCS comes here */ | |
5638 | /* Port EMAC0 comes here */ | |
5639 | /* Port EMAC1 comes here */ | |
5640 | /* Port DBU comes here */ | |
5641 | /* Port DBG comes here */ | |
5642 | bnx2x_init_block(bp, func ? NIG_PORT1_START : NIG_PORT0_START, | |
5643 | func ? NIG_PORT1_END : NIG_PORT0_END); | |
5644 | REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + func*4, 1); | |
5645 | /* Port MCP comes here */ | |
5646 | /* Port DMAE comes here */ | |
5647 | ||
5648 | bnx2x_link_reset(bp); | |
5649 | ||
5650 | /* Reset pciex errors for debug */ | |
5651 | REG_WR(bp, 0x2114, 0xffffffff); | |
5652 | REG_WR(bp, 0x2120, 0xffffffff); | |
5653 | REG_WR(bp, 0x2814, 0xffffffff); | |
5654 | ||
5655 | /* !!! move to init_values.h */ | |
5656 | REG_WR(bp, XSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); | |
5657 | REG_WR(bp, USDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); | |
5658 | REG_WR(bp, CSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); | |
5659 | REG_WR(bp, TSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); | |
5660 | ||
5661 | REG_WR(bp, DBG_REG_PCI_REQ_CREDIT, 0x1); | |
5662 | REG_WR(bp, TM_REG_PCIARB_CRDCNT_VAL, 0x1); | |
5663 | REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264); | |
5664 | REG_WR(bp, CDU_REG_CDU_DEBUG, 0x0); | |
5665 | ||
5666 | bnx2x_gunzip_end(bp); | |
5667 | ||
5668 | if (!nomcp) { | |
5669 | port = bp->port; | |
5670 | ||
5671 | bp->fw_drv_pulse_wr_seq = | |
5672 | (SHMEM_RD(bp, drv_fw_mb[port].drv_pulse_mb) & | |
5673 | DRV_PULSE_SEQ_MASK); | |
5674 | bp->fw_mb = SHMEM_RD(bp, drv_fw_mb[port].fw_mb_param); | |
5675 | DP(BNX2X_MSG_MCP, "drv_pulse 0x%x fw_mb 0x%x\n", | |
5676 | bp->fw_drv_pulse_wr_seq, bp->fw_mb); | |
5677 | } else { | |
5678 | bp->fw_mb = 0; | |
5679 | } | |
5680 | ||
5681 | return 0; | |
5682 | } | |
5683 | ||
5684 | ||
5685 | /* send the MCP a request, block untill there is a reply */ | |
5686 | static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command) | |
5687 | { | |
5688 | u32 rc = 0; | |
5689 | u32 seq = ++bp->fw_seq; | |
5690 | int port = bp->port; | |
5691 | ||
5692 | SHMEM_WR(bp, drv_fw_mb[port].drv_mb_header, command|seq); | |
5693 | DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", command|seq); | |
5694 | ||
5695 | /* let the FW do it's magic ... */ | |
5696 | msleep(100); /* TBD */ | |
5697 | ||
5698 | if (CHIP_REV_IS_SLOW(bp)) | |
5699 | msleep(900); | |
5700 | ||
5701 | rc = SHMEM_RD(bp, drv_fw_mb[port].fw_mb_header); | |
5702 | ||
5703 | DP(BNX2X_MSG_MCP, "read (%x) seq is (%x) from FW MB\n", rc, seq); | |
5704 | ||
5705 | /* is this a reply to our command? */ | |
5706 | if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) { | |
5707 | rc &= FW_MSG_CODE_MASK; | |
5708 | } else { | |
5709 | /* FW BUG! */ | |
5710 | BNX2X_ERR("FW failed to respond!\n"); | |
5711 | bnx2x_fw_dump(bp); | |
5712 | rc = 0; | |
5713 | } | |
5714 | return rc; | |
5715 | } | |
5716 | ||
5717 | static void bnx2x_free_mem(struct bnx2x *bp) | |
5718 | { | |
5719 | ||
5720 | #define BNX2X_PCI_FREE(x, y, size) \ | |
5721 | do { \ | |
5722 | if (x) { \ | |
5723 | pci_free_consistent(bp->pdev, size, x, y); \ | |
5724 | x = NULL; \ | |
5725 | y = 0; \ | |
5726 | } \ | |
5727 | } while (0) | |
5728 | ||
5729 | #define BNX2X_FREE(x) \ | |
5730 | do { \ | |
5731 | if (x) { \ | |
5732 | vfree(x); \ | |
5733 | x = NULL; \ | |
5734 | } \ | |
5735 | } while (0) | |
5736 | ||
5737 | int i; | |
5738 | ||
5739 | /* fastpath */ | |
5740 | for_each_queue(bp, i) { | |
5741 | ||
5742 | /* Status blocks */ | |
5743 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk), | |
5744 | bnx2x_fp(bp, i, status_blk_mapping), | |
5745 | sizeof(struct host_status_block) + | |
5746 | sizeof(struct eth_tx_db_data)); | |
5747 | ||
5748 | /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */ | |
5749 | BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring)); | |
5750 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring), | |
5751 | bnx2x_fp(bp, i, tx_desc_mapping), | |
5752 | sizeof(struct eth_tx_bd) * NUM_TX_BD); | |
5753 | ||
5754 | BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring)); | |
5755 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring), | |
5756 | bnx2x_fp(bp, i, rx_desc_mapping), | |
5757 | sizeof(struct eth_rx_bd) * NUM_RX_BD); | |
5758 | ||
5759 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring), | |
5760 | bnx2x_fp(bp, i, rx_comp_mapping), | |
5761 | sizeof(struct eth_fast_path_rx_cqe) * | |
5762 | NUM_RCQ_BD); | |
5763 | } | |
5764 | ||
5765 | BNX2X_FREE(bp->fp); | |
5766 | ||
5767 | /* end of fastpath */ | |
5768 | ||
5769 | BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping, | |
5770 | (sizeof(struct host_def_status_block))); | |
5771 | ||
5772 | BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping, | |
5773 | (sizeof(struct bnx2x_slowpath))); | |
5774 | ||
5775 | #ifdef BCM_ISCSI | |
5776 | BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024); | |
5777 | BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024); | |
5778 | BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024); | |
5779 | BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024); | |
5780 | #endif | |
5781 | BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, PAGE_SIZE); | |
5782 | ||
5783 | #undef BNX2X_PCI_FREE | |
5784 | #undef BNX2X_KFREE | |
5785 | } | |
5786 | ||
5787 | static int bnx2x_alloc_mem(struct bnx2x *bp) | |
5788 | { | |
5789 | ||
5790 | #define BNX2X_PCI_ALLOC(x, y, size) \ | |
5791 | do { \ | |
5792 | x = pci_alloc_consistent(bp->pdev, size, y); \ | |
5793 | if (x == NULL) \ | |
5794 | goto alloc_mem_err; \ | |
5795 | memset(x, 0, size); \ | |
5796 | } while (0) | |
5797 | ||
5798 | #define BNX2X_ALLOC(x, size) \ | |
5799 | do { \ | |
5800 | x = vmalloc(size); \ | |
5801 | if (x == NULL) \ | |
5802 | goto alloc_mem_err; \ | |
5803 | memset(x, 0, size); \ | |
5804 | } while (0) | |
5805 | ||
5806 | int i; | |
5807 | ||
5808 | /* fastpath */ | |
5809 | BNX2X_ALLOC(bp->fp, sizeof(struct bnx2x_fastpath) * bp->num_queues); | |
5810 | ||
5811 | for_each_queue(bp, i) { | |
5812 | bnx2x_fp(bp, i, bp) = bp; | |
5813 | ||
5814 | /* Status blocks */ | |
5815 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk), | |
5816 | &bnx2x_fp(bp, i, status_blk_mapping), | |
5817 | sizeof(struct host_status_block) + | |
5818 | sizeof(struct eth_tx_db_data)); | |
5819 | ||
5820 | bnx2x_fp(bp, i, hw_tx_prods) = | |
5821 | (void *)(bnx2x_fp(bp, i, status_blk) + 1); | |
5822 | ||
5823 | bnx2x_fp(bp, i, tx_prods_mapping) = | |
5824 | bnx2x_fp(bp, i, status_blk_mapping) + | |
5825 | sizeof(struct host_status_block); | |
5826 | ||
5827 | /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */ | |
5828 | BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring), | |
5829 | sizeof(struct sw_tx_bd) * NUM_TX_BD); | |
5830 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring), | |
5831 | &bnx2x_fp(bp, i, tx_desc_mapping), | |
5832 | sizeof(struct eth_tx_bd) * NUM_TX_BD); | |
5833 | ||
5834 | BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring), | |
5835 | sizeof(struct sw_rx_bd) * NUM_RX_BD); | |
5836 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring), | |
5837 | &bnx2x_fp(bp, i, rx_desc_mapping), | |
5838 | sizeof(struct eth_rx_bd) * NUM_RX_BD); | |
5839 | ||
5840 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring), | |
5841 | &bnx2x_fp(bp, i, rx_comp_mapping), | |
5842 | sizeof(struct eth_fast_path_rx_cqe) * | |
5843 | NUM_RCQ_BD); | |
5844 | ||
5845 | } | |
5846 | /* end of fastpath */ | |
5847 | ||
5848 | BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping, | |
5849 | sizeof(struct host_def_status_block)); | |
5850 | ||
5851 | BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping, | |
5852 | sizeof(struct bnx2x_slowpath)); | |
5853 | ||
5854 | #ifdef BCM_ISCSI | |
5855 | BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024); | |
5856 | ||
5857 | /* Initialize T1 */ | |
5858 | for (i = 0; i < 64*1024; i += 64) { | |
5859 | *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL; | |
5860 | *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL; | |
5861 | } | |
5862 | ||
5863 | /* allocate searcher T2 table | |
5864 | we allocate 1/4 of alloc num for T2 | |
5865 | (which is not entered into the ILT) */ | |
5866 | BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024); | |
5867 | ||
5868 | /* Initialize T2 */ | |
5869 | for (i = 0; i < 16*1024; i += 64) | |
5870 | * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64; | |
5871 | ||
5872 | /* now sixup the last line in the block to point to the next block */ | |
5873 | *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping; | |
5874 | ||
5875 | /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */ | |
5876 | BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024); | |
5877 | ||
5878 | /* QM queues (128*MAX_CONN) */ | |
5879 | BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024); | |
5880 | #endif | |
5881 | ||
5882 | /* Slow path ring */ | |
5883 | BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE); | |
5884 | ||
5885 | return 0; | |
5886 | ||
5887 | alloc_mem_err: | |
5888 | bnx2x_free_mem(bp); | |
5889 | return -ENOMEM; | |
5890 | ||
5891 | #undef BNX2X_PCI_ALLOC | |
5892 | #undef BNX2X_ALLOC | |
5893 | } | |
5894 | ||
5895 | static void bnx2x_free_tx_skbs(struct bnx2x *bp) | |
5896 | { | |
5897 | int i; | |
5898 | ||
5899 | for_each_queue(bp, i) { | |
5900 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
5901 | ||
5902 | u16 bd_cons = fp->tx_bd_cons; | |
5903 | u16 sw_prod = fp->tx_pkt_prod; | |
5904 | u16 sw_cons = fp->tx_pkt_cons; | |
5905 | ||
5906 | BUG_TRAP(fp->tx_buf_ring != NULL); | |
5907 | ||
5908 | while (sw_cons != sw_prod) { | |
5909 | bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons)); | |
5910 | sw_cons++; | |
5911 | } | |
5912 | } | |
5913 | } | |
5914 | ||
5915 | static void bnx2x_free_rx_skbs(struct bnx2x *bp) | |
5916 | { | |
5917 | int i, j; | |
5918 | ||
5919 | for_each_queue(bp, j) { | |
5920 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
5921 | ||
5922 | BUG_TRAP(fp->rx_buf_ring != NULL); | |
5923 | ||
5924 | for (i = 0; i < NUM_RX_BD; i++) { | |
5925 | struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i]; | |
5926 | struct sk_buff *skb = rx_buf->skb; | |
5927 | ||
5928 | if (skb == NULL) | |
5929 | continue; | |
5930 | ||
5931 | pci_unmap_single(bp->pdev, | |
5932 | pci_unmap_addr(rx_buf, mapping), | |
5933 | bp->rx_buf_use_size, | |
5934 | PCI_DMA_FROMDEVICE); | |
5935 | ||
5936 | rx_buf->skb = NULL; | |
5937 | dev_kfree_skb(skb); | |
5938 | } | |
5939 | } | |
5940 | } | |
5941 | ||
5942 | static void bnx2x_free_skbs(struct bnx2x *bp) | |
5943 | { | |
5944 | bnx2x_free_tx_skbs(bp); | |
5945 | bnx2x_free_rx_skbs(bp); | |
5946 | } | |
5947 | ||
5948 | static void bnx2x_free_msix_irqs(struct bnx2x *bp) | |
5949 | { | |
5950 | int i; | |
5951 | ||
5952 | free_irq(bp->msix_table[0].vector, bp->dev); | |
5953 | DP(NETIF_MSG_IFDOWN, "rleased sp irq (%d)\n", | |
5954 | bp->msix_table[0].vector); | |
5955 | ||
5956 | for_each_queue(bp, i) { | |
5957 | DP(NETIF_MSG_IFDOWN, "about to rlease fp #%d->%d irq " | |
5958 | "state(%x)\n", i, bp->msix_table[i + 1].vector, | |
5959 | bnx2x_fp(bp, i, state)); | |
5960 | ||
5961 | if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED) { | |
5962 | ||
5963 | free_irq(bp->msix_table[i + 1].vector, &bp->fp[i]); | |
5964 | bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_CLOSED; | |
5965 | ||
5966 | } else | |
5967 | DP(NETIF_MSG_IFDOWN, "irq not freed\n"); | |
5968 | ||
5969 | } | |
5970 | ||
5971 | } | |
5972 | ||
5973 | static void bnx2x_free_irq(struct bnx2x *bp) | |
5974 | { | |
5975 | ||
5976 | if (bp->flags & USING_MSIX_FLAG) { | |
5977 | ||
5978 | bnx2x_free_msix_irqs(bp); | |
5979 | pci_disable_msix(bp->pdev); | |
5980 | ||
5981 | bp->flags &= ~USING_MSIX_FLAG; | |
5982 | ||
5983 | } else | |
5984 | free_irq(bp->pdev->irq, bp->dev); | |
5985 | } | |
5986 | ||
5987 | static int bnx2x_enable_msix(struct bnx2x *bp) | |
5988 | { | |
5989 | ||
5990 | int i; | |
5991 | ||
5992 | bp->msix_table[0].entry = 0; | |
5993 | for_each_queue(bp, i) | |
5994 | bp->msix_table[i + 1].entry = i + 1; | |
5995 | ||
5996 | if (pci_enable_msix(bp->pdev, &bp->msix_table[0], | |
5997 | bp->num_queues + 1)){ | |
5998 | BNX2X_ERR("failed to enable msix\n"); | |
5999 | return -1; | |
6000 | ||
6001 | } | |
6002 | ||
6003 | bp->flags |= USING_MSIX_FLAG; | |
6004 | ||
6005 | return 0; | |
6006 | ||
6007 | } | |
6008 | ||
6009 | ||
6010 | static int bnx2x_req_msix_irqs(struct bnx2x *bp) | |
6011 | { | |
6012 | ||
6013 | ||
6014 | int i, rc; | |
6015 | ||
6016 | DP(NETIF_MSG_IFUP, "about to request sp irq\n"); | |
6017 | ||
6018 | rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0, | |
6019 | bp->dev->name, bp->dev); | |
6020 | ||
6021 | if (rc) { | |
6022 | BNX2X_ERR("request sp irq failed\n"); | |
6023 | return -EBUSY; | |
6024 | } | |
6025 | ||
6026 | for_each_queue(bp, i) { | |
6027 | rc = request_irq(bp->msix_table[i + 1].vector, | |
6028 | bnx2x_msix_fp_int, 0, | |
6029 | bp->dev->name, &bp->fp[i]); | |
6030 | ||
6031 | if (rc) { | |
6032 | BNX2X_ERR("request fp #%d irq failed\n", i); | |
6033 | bnx2x_free_msix_irqs(bp); | |
6034 | return -EBUSY; | |
6035 | } | |
6036 | ||
6037 | bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ; | |
6038 | ||
6039 | } | |
6040 | ||
6041 | return 0; | |
6042 | ||
6043 | } | |
6044 | ||
6045 | static int bnx2x_req_irq(struct bnx2x *bp) | |
6046 | { | |
6047 | ||
6048 | int rc = request_irq(bp->pdev->irq, bnx2x_interrupt, | |
6049 | IRQF_SHARED, bp->dev->name, bp->dev); | |
6050 | if (!rc) | |
6051 | bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ; | |
6052 | ||
6053 | return rc; | |
6054 | ||
6055 | } | |
6056 | ||
6057 | /* | |
6058 | * Init service functions | |
6059 | */ | |
6060 | ||
6061 | static void bnx2x_set_mac_addr(struct bnx2x *bp) | |
6062 | { | |
6063 | struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config); | |
6064 | ||
6065 | /* CAM allocation | |
6066 | * unicasts 0-31:port0 32-63:port1 | |
6067 | * multicast 64-127:port0 128-191:port1 | |
6068 | */ | |
6069 | config->hdr.length_6b = 2; | |
6070 | config->hdr.offset = bp->port ? 31 : 0; | |
6071 | config->hdr.reserved0 = 0; | |
6072 | config->hdr.reserved1 = 0; | |
6073 | ||
6074 | /* primary MAC */ | |
6075 | config->config_table[0].cam_entry.msb_mac_addr = | |
6076 | swab16(*(u16 *)&bp->dev->dev_addr[0]); | |
6077 | config->config_table[0].cam_entry.middle_mac_addr = | |
6078 | swab16(*(u16 *)&bp->dev->dev_addr[2]); | |
6079 | config->config_table[0].cam_entry.lsb_mac_addr = | |
6080 | swab16(*(u16 *)&bp->dev->dev_addr[4]); | |
6081 | config->config_table[0].cam_entry.flags = cpu_to_le16(bp->port); | |
6082 | config->config_table[0].target_table_entry.flags = 0; | |
6083 | config->config_table[0].target_table_entry.client_id = 0; | |
6084 | config->config_table[0].target_table_entry.vlan_id = 0; | |
6085 | ||
6086 | DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x)\n", | |
6087 | config->config_table[0].cam_entry.msb_mac_addr, | |
6088 | config->config_table[0].cam_entry.middle_mac_addr, | |
6089 | config->config_table[0].cam_entry.lsb_mac_addr); | |
6090 | ||
6091 | /* broadcast */ | |
6092 | config->config_table[1].cam_entry.msb_mac_addr = 0xffff; | |
6093 | config->config_table[1].cam_entry.middle_mac_addr = 0xffff; | |
6094 | config->config_table[1].cam_entry.lsb_mac_addr = 0xffff; | |
6095 | config->config_table[1].cam_entry.flags = cpu_to_le16(bp->port); | |
6096 | config->config_table[1].target_table_entry.flags = | |
6097 | TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST; | |
6098 | config->config_table[1].target_table_entry.client_id = 0; | |
6099 | config->config_table[1].target_table_entry.vlan_id = 0; | |
6100 | ||
6101 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
6102 | U64_HI(bnx2x_sp_mapping(bp, mac_config)), | |
6103 | U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); | |
6104 | } | |
6105 | ||
6106 | static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, | |
6107 | int *state_p, int poll) | |
6108 | { | |
6109 | /* can take a while if any port is running */ | |
6110 | int timeout = 500; | |
6111 | ||
6112 | /* DP("waiting for state to become %d on IDX [%d]\n", | |
6113 | state, sb_idx); */ | |
6114 | ||
6115 | might_sleep(); | |
6116 | ||
6117 | while (timeout) { | |
6118 | ||
6119 | if (poll) { | |
6120 | bnx2x_rx_int(bp->fp, 10); | |
6121 | /* If index is different from 0 | |
6122 | * The reply for some commands will | |
6123 | * be on the none default queue | |
6124 | */ | |
6125 | if (idx) | |
6126 | bnx2x_rx_int(&bp->fp[idx], 10); | |
6127 | } | |
6128 | ||
6129 | mb(); /* state is changed by bnx2x_sp_event()*/ | |
6130 | ||
6131 | if (*state_p != state) | |
6132 | return 0; | |
6133 | ||
6134 | timeout--; | |
6135 | msleep(1); | |
6136 | ||
6137 | } | |
6138 | ||
6139 | ||
6140 | /* timeout! */ | |
6141 | BNX2X_ERR("timeout waiting for ramrod %d on %d\n", state, idx); | |
6142 | return -EBUSY; | |
6143 | ||
6144 | } | |
6145 | ||
6146 | static int bnx2x_setup_leading(struct bnx2x *bp) | |
6147 | { | |
6148 | ||
6149 | /* reset IGU staae */ | |
6150 | bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
6151 | ||
6152 | /* SETUP ramrod */ | |
6153 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0); | |
6154 | ||
6155 | return bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0); | |
6156 | ||
6157 | } | |
6158 | ||
6159 | static int bnx2x_setup_multi(struct bnx2x *bp, int index) | |
6160 | { | |
6161 | ||
6162 | /* reset IGU state */ | |
6163 | bnx2x_ack_sb(bp, index, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
6164 | ||
6165 | bp->fp[index].state = BNX2X_FP_STATE_OPENING; | |
6166 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0); | |
6167 | ||
6168 | /* Wait for completion */ | |
6169 | return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index, | |
6170 | &(bp->fp[index].state), 1); | |
6171 | ||
6172 | } | |
6173 | ||
6174 | ||
6175 | static int bnx2x_poll(struct napi_struct *napi, int budget); | |
6176 | static void bnx2x_set_rx_mode(struct net_device *dev); | |
6177 | ||
6178 | static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) | |
6179 | { | |
6180 | int rc; | |
6181 | int i = 0; | |
6182 | ||
6183 | bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; | |
6184 | ||
6185 | /* Send LOAD_REQUEST command to MCP. | |
6186 | Returns the type of LOAD command: if it is the | |
6187 | first port to be initialized common blocks should be | |
6188 | initialized, otherwise - not. | |
6189 | */ | |
6190 | if (!nomcp) { | |
6191 | rc = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); | |
6192 | if (rc == FW_MSG_CODE_DRV_LOAD_REFUSED) { | |
6193 | return -EBUSY; /* other port in diagnostic mode */ | |
6194 | } | |
6195 | } else { | |
6196 | rc = FW_MSG_CODE_DRV_LOAD_COMMON; | |
6197 | } | |
6198 | ||
6199 | DP(NETIF_MSG_IFUP, "set number of queues to %d\n", bp->num_queues); | |
6200 | ||
6201 | /* if we can't use msix we only need one fp, | |
6202 | * so try to enable msix with the requested number of fp's | |
6203 | * and fallback to inta with one fp | |
6204 | */ | |
6205 | if (req_irq) { | |
6206 | ||
6207 | if (use_inta) { | |
6208 | bp->num_queues = 1; | |
6209 | } else { | |
6210 | if (use_multi > 1 && use_multi <= 16) | |
6211 | /* user requested number */ | |
6212 | bp->num_queues = use_multi; | |
6213 | else if (use_multi == 1) | |
6214 | bp->num_queues = num_online_cpus(); | |
6215 | else | |
6216 | bp->num_queues = 1; | |
6217 | ||
6218 | if (bnx2x_enable_msix(bp)) { | |
6219 | /* faild to enable msix */ | |
6220 | bp->num_queues = 1; | |
6221 | if (use_multi) | |
6222 | BNX2X_ERR("Muti requested but failed" | |
6223 | " to enable MSI-X\n"); | |
6224 | } | |
6225 | } | |
6226 | } | |
6227 | ||
6228 | if (bnx2x_alloc_mem(bp)) | |
6229 | return -ENOMEM; | |
6230 | ||
6231 | if (req_irq) { | |
6232 | if (bp->flags & USING_MSIX_FLAG) { | |
6233 | if (bnx2x_req_msix_irqs(bp)) { | |
6234 | pci_disable_msix(bp->pdev); | |
6235 | goto out_error; | |
6236 | } | |
6237 | ||
6238 | } else { | |
6239 | if (bnx2x_req_irq(bp)) { | |
6240 | BNX2X_ERR("IRQ request failed, aborting\n"); | |
6241 | goto out_error; | |
6242 | } | |
6243 | } | |
6244 | } | |
6245 | ||
6246 | for_each_queue(bp, i) | |
6247 | netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), | |
6248 | bnx2x_poll, 128); | |
6249 | ||
6250 | ||
6251 | /* Initialize HW */ | |
6252 | if (bnx2x_function_init(bp, (rc == FW_MSG_CODE_DRV_LOAD_COMMON))) { | |
6253 | BNX2X_ERR("HW init failed, aborting\n"); | |
6254 | goto out_error; | |
6255 | } | |
6256 | ||
6257 | ||
6258 | atomic_set(&bp->intr_sem, 0); | |
6259 | ||
6260 | /* Reenable SP tasklet */ | |
6261 | /*if (bp->sp_task_en) { */ | |
6262 | /* tasklet_enable(&bp->sp_task);*/ | |
6263 | /*} else { */ | |
6264 | /* bp->sp_task_en = 1; */ | |
6265 | /*} */ | |
6266 | ||
6267 | /* Setup NIC internals and enable interrupts */ | |
6268 | bnx2x_nic_init(bp); | |
6269 | ||
6270 | /* Send LOAD_DONE command to MCP */ | |
6271 | if (!nomcp) { | |
6272 | rc = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE); | |
6273 | DP(NETIF_MSG_IFUP, "rc = 0x%x\n", rc); | |
6274 | if (!rc) { | |
6275 | BNX2X_ERR("MCP response failure, unloading\n"); | |
6276 | goto int_disable; | |
6277 | } | |
6278 | } | |
6279 | ||
6280 | bp->state = BNX2X_STATE_OPENING_WAIT4_PORT; | |
6281 | ||
6282 | /* Enable Rx interrupt handling before sending the ramrod | |
6283 | as it's completed on Rx FP queue */ | |
6284 | for_each_queue(bp, i) | |
6285 | napi_enable(&bnx2x_fp(bp, i, napi)); | |
6286 | ||
6287 | if (bnx2x_setup_leading(bp)) | |
6288 | goto stop_netif; | |
6289 | ||
6290 | for_each_nondefault_queue(bp, i) | |
6291 | if (bnx2x_setup_multi(bp, i)) | |
6292 | goto stop_netif; | |
6293 | ||
6294 | bnx2x_set_mac_addr(bp); | |
6295 | ||
6296 | bnx2x_phy_init(bp); | |
6297 | ||
6298 | /* Start fast path */ | |
6299 | if (req_irq) { /* IRQ is only requested from bnx2x_open */ | |
6300 | netif_start_queue(bp->dev); | |
6301 | if (bp->flags & USING_MSIX_FLAG) | |
6302 | printk(KERN_INFO PFX "%s: using MSI-X\n", | |
6303 | bp->dev->name); | |
6304 | ||
6305 | /* Otherwise Tx queue should be only reenabled */ | |
6306 | } else if (netif_running(bp->dev)) { | |
6307 | netif_wake_queue(bp->dev); | |
6308 | bnx2x_set_rx_mode(bp->dev); | |
6309 | } | |
6310 | ||
6311 | /* start the timer */ | |
6312 | mod_timer(&bp->timer, jiffies + bp->current_interval); | |
6313 | ||
6314 | return 0; | |
6315 | ||
6316 | stop_netif: | |
6317 | for_each_queue(bp, i) | |
6318 | napi_disable(&bnx2x_fp(bp, i, napi)); | |
6319 | ||
6320 | int_disable: | |
6321 | bnx2x_disable_int_sync(bp); | |
6322 | ||
6323 | bnx2x_free_skbs(bp); | |
6324 | bnx2x_free_irq(bp); | |
6325 | ||
6326 | out_error: | |
6327 | bnx2x_free_mem(bp); | |
6328 | ||
6329 | /* TBD we really need to reset the chip | |
6330 | if we want to recover from this */ | |
6331 | return rc; | |
6332 | } | |
6333 | ||
6334 | static void bnx2x_netif_stop(struct bnx2x *bp) | |
6335 | { | |
6336 | int i; | |
6337 | ||
6338 | bp->rx_mode = BNX2X_RX_MODE_NONE; | |
6339 | bnx2x_set_storm_rx_mode(bp); | |
6340 | ||
6341 | bnx2x_disable_int_sync(bp); | |
6342 | bnx2x_link_reset(bp); | |
6343 | ||
6344 | for_each_queue(bp, i) | |
6345 | napi_disable(&bnx2x_fp(bp, i, napi)); | |
6346 | ||
6347 | if (netif_running(bp->dev)) { | |
6348 | netif_tx_disable(bp->dev); | |
6349 | bp->dev->trans_start = jiffies; /* prevent tx timeout */ | |
6350 | } | |
6351 | } | |
6352 | ||
6353 | static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code) | |
6354 | { | |
6355 | int port = bp->port; | |
6356 | #ifdef USE_DMAE | |
6357 | u32 wb_write[2]; | |
6358 | #endif | |
6359 | int base, i; | |
6360 | ||
6361 | DP(NETIF_MSG_IFDOWN, "reset called with code %x\n", reset_code); | |
6362 | ||
6363 | /* Do not rcv packets to BRB */ | |
6364 | REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0); | |
6365 | /* Do not direct rcv packets that are not for MCP to the BRB */ | |
6366 | REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP : | |
6367 | NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); | |
6368 | ||
6369 | /* Configure IGU and AEU */ | |
6370 | REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000); | |
6371 | REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0); | |
6372 | ||
6373 | /* TODO: Close Doorbell port? */ | |
6374 | ||
6375 | /* Clear ILT */ | |
6376 | #ifdef USE_DMAE | |
6377 | wb_write[0] = 0; | |
6378 | wb_write[1] = 0; | |
6379 | #endif | |
6380 | base = port * RQ_ONCHIP_AT_PORT_SIZE; | |
6381 | for (i = base; i < base + RQ_ONCHIP_AT_PORT_SIZE; i++) { | |
6382 | #ifdef USE_DMAE | |
6383 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
6384 | #else | |
6385 | REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT, 0); | |
6386 | REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + 4, 0); | |
6387 | #endif | |
6388 | } | |
6389 | ||
6390 | if (reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) { | |
6391 | /* reset_common */ | |
6392 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
6393 | 0xd3ffff7f); | |
6394 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
6395 | 0x1403); | |
6396 | } | |
6397 | } | |
6398 | ||
6399 | static int bnx2x_stop_multi(struct bnx2x *bp, int index) | |
6400 | { | |
6401 | ||
6402 | int rc; | |
6403 | ||
6404 | /* halt the connnection */ | |
6405 | bp->fp[index].state = BNX2X_FP_STATE_HALTING; | |
6406 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0); | |
6407 | ||
6408 | ||
6409 | rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index, | |
6410 | &(bp->fp[index].state), 1); | |
6411 | if (rc) /* timout */ | |
6412 | return rc; | |
6413 | ||
6414 | /* delete cfc entry */ | |
6415 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1); | |
6416 | ||
6417 | return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_DELETED, index, | |
6418 | &(bp->fp[index].state), 1); | |
6419 | ||
6420 | } | |
6421 | ||
6422 | ||
6423 | static void bnx2x_stop_leading(struct bnx2x *bp) | |
6424 | { | |
6425 | ||
6426 | /* if the other port is hadling traffic, | |
6427 | this can take a lot of time */ | |
6428 | int timeout = 500; | |
6429 | ||
6430 | might_sleep(); | |
6431 | ||
6432 | /* Send HALT ramrod */ | |
6433 | bp->fp[0].state = BNX2X_FP_STATE_HALTING; | |
6434 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, 0, 0); | |
6435 | ||
6436 | if (bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0, | |
6437 | &(bp->fp[0].state), 1)) | |
6438 | return; | |
6439 | ||
6440 | bp->dsb_sp_prod_idx = *bp->dsb_sp_prod; | |
6441 | ||
6442 | /* Send CFC_DELETE ramrod */ | |
6443 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1); | |
6444 | ||
6445 | /* | |
6446 | Wait for completion. | |
6447 | we are going to reset the chip anyway | |
6448 | so there is not much to do if this times out | |
6449 | */ | |
6450 | while (bp->dsb_sp_prod_idx == *bp->dsb_sp_prod && timeout) { | |
6451 | timeout--; | |
6452 | msleep(1); | |
6453 | } | |
6454 | ||
6455 | } | |
6456 | ||
6457 | static int bnx2x_nic_unload(struct bnx2x *bp, int fre_irq) | |
6458 | { | |
6459 | u32 reset_code = 0; | |
6460 | int rc; | |
6461 | int i; | |
6462 | ||
6463 | bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT; | |
6464 | ||
6465 | /* Calling flush_scheduled_work() may deadlock because | |
6466 | * linkwatch_event() may be on the workqueue and it will try to get | |
6467 | * the rtnl_lock which we are holding. | |
6468 | */ | |
6469 | ||
6470 | while (bp->in_reset_task) | |
6471 | msleep(1); | |
6472 | ||
6473 | /* Delete the timer: do it before disabling interrupts, as it | |
6474 | may be stil STAT_QUERY ramrod pending after stopping the timer */ | |
6475 | del_timer_sync(&bp->timer); | |
6476 | ||
6477 | /* Wait until stat ramrod returns and all SP tasks complete */ | |
6478 | while (bp->stat_pending && (bp->spq_left != MAX_SPQ_PENDING)) | |
6479 | msleep(1); | |
6480 | ||
6481 | /* Stop fast path, disable MAC, disable interrupts, disable napi */ | |
6482 | bnx2x_netif_stop(bp); | |
6483 | ||
6484 | if (bp->flags & NO_WOL_FLAG) | |
6485 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP; | |
6486 | else if (bp->wol) { | |
6487 | u32 emac_base = bp->port ? GRCBASE_EMAC0 : GRCBASE_EMAC1; | |
6488 | u8 *mac_addr = bp->dev->dev_addr; | |
6489 | u32 val = (EMAC_MODE_MPKT | EMAC_MODE_MPKT_RCVD | | |
6490 | EMAC_MODE_ACPI_RCVD); | |
6491 | ||
6492 | EMAC_WR(EMAC_REG_EMAC_MODE, val); | |
6493 | ||
6494 | val = (mac_addr[0] << 8) | mac_addr[1]; | |
6495 | EMAC_WR(EMAC_REG_EMAC_MAC_MATCH, val); | |
6496 | ||
6497 | val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | | |
6498 | (mac_addr[4] << 8) | mac_addr[5]; | |
6499 | EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + 4, val); | |
6500 | ||
6501 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN; | |
6502 | } else | |
6503 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; | |
6504 | ||
6505 | for_each_nondefault_queue(bp, i) | |
6506 | if (bnx2x_stop_multi(bp, i)) | |
6507 | goto error; | |
6508 | ||
6509 | ||
6510 | bnx2x_stop_leading(bp); | |
6511 | ||
6512 | error: | |
6513 | if (!nomcp) | |
6514 | rc = bnx2x_fw_command(bp, reset_code); | |
6515 | else | |
6516 | rc = FW_MSG_CODE_DRV_UNLOAD_COMMON; | |
6517 | ||
6518 | /* Release IRQs */ | |
6519 | if (fre_irq) | |
6520 | bnx2x_free_irq(bp); | |
6521 | ||
6522 | /* Reset the chip */ | |
6523 | bnx2x_reset_chip(bp, rc); | |
6524 | ||
6525 | /* Report UNLOAD_DONE to MCP */ | |
6526 | if (!nomcp) | |
6527 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); | |
6528 | ||
6529 | /* Free SKBs and driver internals */ | |
6530 | bnx2x_free_skbs(bp); | |
6531 | bnx2x_free_mem(bp); | |
6532 | ||
6533 | bp->state = BNX2X_STATE_CLOSED; | |
6534 | /* Set link down */ | |
6535 | bp->link_up = 0; | |
6536 | netif_carrier_off(bp->dev); | |
6537 | ||
6538 | return 0; | |
6539 | } | |
6540 | ||
6541 | /* end of nic load/unload */ | |
6542 | ||
6543 | /* ethtool_ops */ | |
6544 | ||
6545 | /* | |
6546 | * Init service functions | |
6547 | */ | |
6548 | ||
6549 | static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg) | |
6550 | { | |
6551 | int port = bp->port; | |
6552 | u32 ext_phy_type; | |
6553 | ||
6554 | bp->phy_flags = 0; | |
6555 | ||
6556 | switch (switch_cfg) { | |
6557 | case SWITCH_CFG_1G: | |
6558 | BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg); | |
6559 | ||
6560 | ext_phy_type = SERDES_EXT_PHY_TYPE(bp); | |
6561 | switch (ext_phy_type) { | |
6562 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: | |
6563 | BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", | |
6564 | ext_phy_type); | |
6565 | ||
6566 | bp->supported |= (SUPPORTED_10baseT_Half | | |
6567 | SUPPORTED_10baseT_Full | | |
6568 | SUPPORTED_100baseT_Half | | |
6569 | SUPPORTED_100baseT_Full | | |
6570 | SUPPORTED_1000baseT_Full | | |
6571 | SUPPORTED_2500baseT_Full | | |
6572 | SUPPORTED_TP | SUPPORTED_FIBRE | | |
6573 | SUPPORTED_Autoneg | | |
6574 | SUPPORTED_Pause | | |
6575 | SUPPORTED_Asym_Pause); | |
6576 | break; | |
6577 | ||
6578 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: | |
6579 | BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n", | |
6580 | ext_phy_type); | |
6581 | ||
6582 | bp->phy_flags |= PHY_SGMII_FLAG; | |
6583 | ||
6584 | bp->supported |= (/* SUPPORTED_10baseT_Half | | |
6585 | SUPPORTED_10baseT_Full | | |
6586 | SUPPORTED_100baseT_Half | | |
6587 | SUPPORTED_100baseT_Full |*/ | |
6588 | SUPPORTED_1000baseT_Full | | |
6589 | SUPPORTED_TP | SUPPORTED_FIBRE | | |
6590 | SUPPORTED_Autoneg | | |
6591 | SUPPORTED_Pause | | |
6592 | SUPPORTED_Asym_Pause); | |
6593 | break; | |
6594 | ||
6595 | default: | |
6596 | BNX2X_ERR("NVRAM config error. " | |
6597 | "BAD SerDes ext_phy_config 0x%x\n", | |
6598 | bp->ext_phy_config); | |
6599 | return; | |
6600 | } | |
6601 | ||
6602 | bp->phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + | |
6603 | port*0x10); | |
6604 | BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->phy_addr); | |
6605 | break; | |
6606 | ||
6607 | case SWITCH_CFG_10G: | |
6608 | BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg); | |
6609 | ||
6610 | bp->phy_flags |= PHY_XGXS_FLAG; | |
6611 | ||
6612 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp); | |
6613 | switch (ext_phy_type) { | |
6614 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
6615 | BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", | |
6616 | ext_phy_type); | |
6617 | ||
6618 | bp->supported |= (SUPPORTED_10baseT_Half | | |
6619 | SUPPORTED_10baseT_Full | | |
6620 | SUPPORTED_100baseT_Half | | |
6621 | SUPPORTED_100baseT_Full | | |
6622 | SUPPORTED_1000baseT_Full | | |
6623 | SUPPORTED_2500baseT_Full | | |
6624 | SUPPORTED_10000baseT_Full | | |
6625 | SUPPORTED_TP | SUPPORTED_FIBRE | | |
6626 | SUPPORTED_Autoneg | | |
6627 | SUPPORTED_Pause | | |
6628 | SUPPORTED_Asym_Pause); | |
6629 | break; | |
6630 | ||
6631 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
6632 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
6633 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8705/6)\n", | |
6634 | ext_phy_type); | |
6635 | ||
6636 | bp->supported |= (SUPPORTED_10000baseT_Full | | |
6637 | SUPPORTED_FIBRE | | |
6638 | SUPPORTED_Pause | | |
6639 | SUPPORTED_Asym_Pause); | |
6640 | break; | |
6641 | ||
6642 | default: | |
6643 | BNX2X_ERR("NVRAM config error. " | |
6644 | "BAD XGXS ext_phy_config 0x%x\n", | |
6645 | bp->ext_phy_config); | |
6646 | return; | |
6647 | } | |
6648 | ||
6649 | bp->phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + | |
6650 | port*0x18); | |
6651 | BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->phy_addr); | |
6652 | ||
6653 | bp->ser_lane = ((bp->lane_config & | |
6654 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> | |
6655 | PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); | |
6656 | bp->rx_lane_swap = ((bp->lane_config & | |
6657 | PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >> | |
6658 | PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT); | |
6659 | bp->tx_lane_swap = ((bp->lane_config & | |
6660 | PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >> | |
6661 | PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT); | |
6662 | BNX2X_DEV_INFO("rx_lane_swap 0x%x tx_lane_swap 0x%x\n", | |
6663 | bp->rx_lane_swap, bp->tx_lane_swap); | |
6664 | break; | |
6665 | ||
6666 | default: | |
6667 | BNX2X_ERR("BAD switch_cfg link_config 0x%x\n", | |
6668 | bp->link_config); | |
6669 | return; | |
6670 | } | |
6671 | ||
6672 | /* mask what we support according to speed_cap_mask */ | |
6673 | if (!(bp->speed_cap_mask & | |
6674 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) | |
6675 | bp->supported &= ~SUPPORTED_10baseT_Half; | |
6676 | ||
6677 | if (!(bp->speed_cap_mask & | |
6678 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL)) | |
6679 | bp->supported &= ~SUPPORTED_10baseT_Full; | |
6680 | ||
6681 | if (!(bp->speed_cap_mask & | |
6682 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) | |
6683 | bp->supported &= ~SUPPORTED_100baseT_Half; | |
6684 | ||
6685 | if (!(bp->speed_cap_mask & | |
6686 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL)) | |
6687 | bp->supported &= ~SUPPORTED_100baseT_Full; | |
6688 | ||
6689 | if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) | |
6690 | bp->supported &= ~(SUPPORTED_1000baseT_Half | | |
6691 | SUPPORTED_1000baseT_Full); | |
6692 | ||
6693 | if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) | |
6694 | bp->supported &= ~SUPPORTED_2500baseT_Full; | |
6695 | ||
6696 | if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) | |
6697 | bp->supported &= ~SUPPORTED_10000baseT_Full; | |
6698 | ||
6699 | BNX2X_DEV_INFO("supported 0x%x\n", bp->supported); | |
6700 | } | |
6701 | ||
6702 | static void bnx2x_link_settings_requested(struct bnx2x *bp) | |
6703 | { | |
6704 | bp->req_autoneg = 0; | |
6705 | bp->req_duplex = DUPLEX_FULL; | |
6706 | ||
6707 | switch (bp->link_config & PORT_FEATURE_LINK_SPEED_MASK) { | |
6708 | case PORT_FEATURE_LINK_SPEED_AUTO: | |
6709 | if (bp->supported & SUPPORTED_Autoneg) { | |
6710 | bp->req_autoneg |= AUTONEG_SPEED; | |
6711 | bp->req_line_speed = 0; | |
6712 | bp->advertising = bp->supported; | |
6713 | } else { | |
6714 | u32 ext_phy_type; | |
6715 | ||
6716 | ext_phy_type = XGXS_EXT_PHY_TYPE(bp); | |
6717 | if ((ext_phy_type == | |
6718 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) || | |
6719 | (ext_phy_type == | |
6720 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) { | |
6721 | /* force 10G, no AN */ | |
6722 | bp->req_line_speed = SPEED_10000; | |
6723 | bp->advertising = | |
6724 | (ADVERTISED_10000baseT_Full | | |
6725 | ADVERTISED_FIBRE); | |
6726 | break; | |
6727 | } | |
6728 | BNX2X_ERR("NVRAM config error. " | |
6729 | "Invalid link_config 0x%x" | |
6730 | " Autoneg not supported\n", | |
6731 | bp->link_config); | |
6732 | return; | |
6733 | } | |
6734 | break; | |
6735 | ||
6736 | case PORT_FEATURE_LINK_SPEED_10M_FULL: | |
6737 | if (bp->speed_cap_mask & | |
6738 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) { | |
6739 | bp->req_line_speed = SPEED_10; | |
6740 | bp->advertising = (ADVERTISED_10baseT_Full | | |
6741 | ADVERTISED_TP); | |
6742 | } else { | |
6743 | BNX2X_ERR("NVRAM config error. " | |
6744 | "Invalid link_config 0x%x" | |
6745 | " speed_cap_mask 0x%x\n", | |
6746 | bp->link_config, bp->speed_cap_mask); | |
6747 | return; | |
6748 | } | |
6749 | break; | |
6750 | ||
6751 | case PORT_FEATURE_LINK_SPEED_10M_HALF: | |
6752 | if (bp->speed_cap_mask & | |
6753 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) { | |
6754 | bp->req_line_speed = SPEED_10; | |
6755 | bp->req_duplex = DUPLEX_HALF; | |
6756 | bp->advertising = (ADVERTISED_10baseT_Half | | |
6757 | ADVERTISED_TP); | |
6758 | } else { | |
6759 | BNX2X_ERR("NVRAM config error. " | |
6760 | "Invalid link_config 0x%x" | |
6761 | " speed_cap_mask 0x%x\n", | |
6762 | bp->link_config, bp->speed_cap_mask); | |
6763 | return; | |
6764 | } | |
6765 | break; | |
6766 | ||
6767 | case PORT_FEATURE_LINK_SPEED_100M_FULL: | |
6768 | if (bp->speed_cap_mask & | |
6769 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) { | |
6770 | bp->req_line_speed = SPEED_100; | |
6771 | bp->advertising = (ADVERTISED_100baseT_Full | | |
6772 | ADVERTISED_TP); | |
6773 | } else { | |
6774 | BNX2X_ERR("NVRAM config error. " | |
6775 | "Invalid link_config 0x%x" | |
6776 | " speed_cap_mask 0x%x\n", | |
6777 | bp->link_config, bp->speed_cap_mask); | |
6778 | return; | |
6779 | } | |
6780 | break; | |
6781 | ||
6782 | case PORT_FEATURE_LINK_SPEED_100M_HALF: | |
6783 | if (bp->speed_cap_mask & | |
6784 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) { | |
6785 | bp->req_line_speed = SPEED_100; | |
6786 | bp->req_duplex = DUPLEX_HALF; | |
6787 | bp->advertising = (ADVERTISED_100baseT_Half | | |
6788 | ADVERTISED_TP); | |
6789 | } else { | |
6790 | BNX2X_ERR("NVRAM config error. " | |
6791 | "Invalid link_config 0x%x" | |
6792 | " speed_cap_mask 0x%x\n", | |
6793 | bp->link_config, bp->speed_cap_mask); | |
6794 | return; | |
6795 | } | |
6796 | break; | |
6797 | ||
6798 | case PORT_FEATURE_LINK_SPEED_1G: | |
6799 | if (bp->speed_cap_mask & | |
6800 | PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) { | |
6801 | bp->req_line_speed = SPEED_1000; | |
6802 | bp->advertising = (ADVERTISED_1000baseT_Full | | |
6803 | ADVERTISED_TP); | |
6804 | } else { | |
6805 | BNX2X_ERR("NVRAM config error. " | |
6806 | "Invalid link_config 0x%x" | |
6807 | " speed_cap_mask 0x%x\n", | |
6808 | bp->link_config, bp->speed_cap_mask); | |
6809 | return; | |
6810 | } | |
6811 | break; | |
6812 | ||
6813 | case PORT_FEATURE_LINK_SPEED_2_5G: | |
6814 | if (bp->speed_cap_mask & | |
6815 | PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) { | |
6816 | bp->req_line_speed = SPEED_2500; | |
6817 | bp->advertising = (ADVERTISED_2500baseT_Full | | |
6818 | ADVERTISED_TP); | |
6819 | } else { | |
6820 | BNX2X_ERR("NVRAM config error. " | |
6821 | "Invalid link_config 0x%x" | |
6822 | " speed_cap_mask 0x%x\n", | |
6823 | bp->link_config, bp->speed_cap_mask); | |
6824 | return; | |
6825 | } | |
6826 | break; | |
6827 | ||
6828 | case PORT_FEATURE_LINK_SPEED_10G_CX4: | |
6829 | case PORT_FEATURE_LINK_SPEED_10G_KX4: | |
6830 | case PORT_FEATURE_LINK_SPEED_10G_KR: | |
6831 | if (!(bp->phy_flags & PHY_XGXS_FLAG)) { | |
6832 | BNX2X_ERR("NVRAM config error. " | |
6833 | "Invalid link_config 0x%x" | |
6834 | " phy_flags 0x%x\n", | |
6835 | bp->link_config, bp->phy_flags); | |
6836 | return; | |
6837 | } | |
6838 | if (bp->speed_cap_mask & | |
6839 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) { | |
6840 | bp->req_line_speed = SPEED_10000; | |
6841 | bp->advertising = (ADVERTISED_10000baseT_Full | | |
6842 | ADVERTISED_FIBRE); | |
6843 | } else { | |
6844 | BNX2X_ERR("NVRAM config error. " | |
6845 | "Invalid link_config 0x%x" | |
6846 | " speed_cap_mask 0x%x\n", | |
6847 | bp->link_config, bp->speed_cap_mask); | |
6848 | return; | |
6849 | } | |
6850 | break; | |
6851 | ||
6852 | default: | |
6853 | BNX2X_ERR("NVRAM config error. " | |
6854 | "BAD link speed link_config 0x%x\n", | |
6855 | bp->link_config); | |
6856 | bp->req_autoneg |= AUTONEG_SPEED; | |
6857 | bp->req_line_speed = 0; | |
6858 | bp->advertising = bp->supported; | |
6859 | break; | |
6860 | } | |
6861 | BNX2X_DEV_INFO("req_line_speed %d req_duplex %d\n", | |
6862 | bp->req_line_speed, bp->req_duplex); | |
6863 | ||
6864 | bp->req_flow_ctrl = (bp->link_config & | |
6865 | PORT_FEATURE_FLOW_CONTROL_MASK); | |
6866 | /* Please refer to Table 28B-3 of the 802.3ab-1999 spec */ | |
6867 | switch (bp->req_flow_ctrl) { | |
6868 | case FLOW_CTRL_AUTO: | |
6869 | bp->req_autoneg |= AUTONEG_FLOW_CTRL; | |
6870 | if (bp->dev->mtu <= 4500) { | |
6871 | bp->pause_mode = PAUSE_BOTH; | |
6872 | bp->advertising |= (ADVERTISED_Pause | | |
6873 | ADVERTISED_Asym_Pause); | |
6874 | } else { | |
6875 | bp->pause_mode = PAUSE_ASYMMETRIC; | |
6876 | bp->advertising |= ADVERTISED_Asym_Pause; | |
6877 | } | |
6878 | break; | |
6879 | ||
6880 | case FLOW_CTRL_TX: | |
6881 | bp->pause_mode = PAUSE_ASYMMETRIC; | |
6882 | bp->advertising |= ADVERTISED_Asym_Pause; | |
6883 | break; | |
6884 | ||
6885 | case FLOW_CTRL_RX: | |
6886 | case FLOW_CTRL_BOTH: | |
6887 | bp->pause_mode = PAUSE_BOTH; | |
6888 | bp->advertising |= (ADVERTISED_Pause | | |
6889 | ADVERTISED_Asym_Pause); | |
6890 | break; | |
6891 | ||
6892 | case FLOW_CTRL_NONE: | |
6893 | default: | |
6894 | bp->pause_mode = PAUSE_NONE; | |
6895 | bp->advertising &= ~(ADVERTISED_Pause | | |
6896 | ADVERTISED_Asym_Pause); | |
6897 | break; | |
6898 | } | |
6899 | BNX2X_DEV_INFO("req_autoneg 0x%x req_flow_ctrl 0x%x\n" | |
6900 | KERN_INFO " pause_mode %d advertising 0x%x\n", | |
6901 | bp->req_autoneg, bp->req_flow_ctrl, | |
6902 | bp->pause_mode, bp->advertising); | |
6903 | } | |
6904 | ||
6905 | static void bnx2x_get_hwinfo(struct bnx2x *bp) | |
6906 | { | |
6907 | u32 val, val2, val3, val4, id; | |
6908 | int port = bp->port; | |
6909 | u32 switch_cfg; | |
6910 | ||
6911 | bp->shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); | |
6912 | BNX2X_DEV_INFO("shmem offset is %x\n", bp->shmem_base); | |
6913 | ||
6914 | /* Get the chip revision id and number. */ | |
6915 | /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */ | |
6916 | val = REG_RD(bp, MISC_REG_CHIP_NUM); | |
6917 | id = ((val & 0xffff) << 16); | |
6918 | val = REG_RD(bp, MISC_REG_CHIP_REV); | |
6919 | id |= ((val & 0xf) << 12); | |
6920 | val = REG_RD(bp, MISC_REG_CHIP_METAL); | |
6921 | id |= ((val & 0xff) << 4); | |
6922 | REG_RD(bp, MISC_REG_BOND_ID); | |
6923 | id |= (val & 0xf); | |
6924 | bp->chip_id = id; | |
6925 | BNX2X_DEV_INFO("chip ID is %x\n", id); | |
6926 | ||
6927 | if (!bp->shmem_base || (bp->shmem_base != 0xAF900)) { | |
6928 | BNX2X_DEV_INFO("MCP not active\n"); | |
6929 | nomcp = 1; | |
6930 | goto set_mac; | |
6931 | } | |
6932 | ||
6933 | val = SHMEM_RD(bp, validity_map[port]); | |
6934 | if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
6935 | != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
6936 | BNX2X_ERR("MCP validity signature bad\n"); | |
6937 | ||
6938 | bp->fw_seq = (SHMEM_RD(bp, drv_fw_mb[port].drv_mb_header) & | |
6939 | DRV_MSG_SEQ_NUMBER_MASK); | |
6940 | ||
6941 | bp->hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config); | |
6942 | ||
6943 | bp->serdes_config = | |
6944 | SHMEM_RD(bp, dev_info.port_hw_config[bp->port].serdes_config); | |
6945 | bp->lane_config = | |
6946 | SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config); | |
6947 | bp->ext_phy_config = | |
6948 | SHMEM_RD(bp, | |
6949 | dev_info.port_hw_config[port].external_phy_config); | |
6950 | bp->speed_cap_mask = | |
6951 | SHMEM_RD(bp, | |
6952 | dev_info.port_hw_config[port].speed_capability_mask); | |
6953 | ||
6954 | bp->link_config = | |
6955 | SHMEM_RD(bp, dev_info.port_feature_config[port].link_config); | |
6956 | ||
6957 | BNX2X_DEV_INFO("hw_config (%08x) serdes_config (%08x)\n" | |
6958 | KERN_INFO " lane_config (%08x) ext_phy_config (%08x)\n" | |
6959 | KERN_INFO " speed_cap_mask (%08x) link_config (%08x)" | |
6960 | " fw_seq (%08x)\n", | |
6961 | bp->hw_config, bp->serdes_config, bp->lane_config, | |
6962 | bp->ext_phy_config, bp->speed_cap_mask, | |
6963 | bp->link_config, bp->fw_seq); | |
6964 | ||
6965 | switch_cfg = (bp->link_config & PORT_FEATURE_CONNECTED_SWITCH_MASK); | |
6966 | bnx2x_link_settings_supported(bp, switch_cfg); | |
6967 | ||
6968 | bp->autoneg = (bp->hw_config & SHARED_HW_CFG_AN_ENABLE_MASK); | |
6969 | /* for now disable cl73 */ | |
6970 | bp->autoneg &= ~SHARED_HW_CFG_AN_ENABLE_CL73; | |
6971 | BNX2X_DEV_INFO("autoneg 0x%x\n", bp->autoneg); | |
6972 | ||
6973 | bnx2x_link_settings_requested(bp); | |
6974 | ||
6975 | val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper); | |
6976 | val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower); | |
6977 | bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff); | |
6978 | bp->dev->dev_addr[1] = (u8)(val2 & 0xff); | |
6979 | bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff); | |
6980 | bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff); | |
6981 | bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff); | |
6982 | bp->dev->dev_addr[5] = (u8)(val & 0xff); | |
6983 | ||
6984 | memcpy(bp->dev->perm_addr, bp->dev->dev_addr, 6); | |
6985 | ||
6986 | ||
6987 | val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num); | |
6988 | val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]); | |
6989 | val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]); | |
6990 | val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]); | |
6991 | ||
6992 | printk(KERN_INFO PFX "part number %X-%X-%X-%X\n", | |
6993 | val, val2, val3, val4); | |
6994 | ||
6995 | /* bc ver */ | |
6996 | if (!nomcp) { | |
6997 | bp->bc_ver = val = ((SHMEM_RD(bp, dev_info.bc_rev)) >> 8); | |
6998 | BNX2X_DEV_INFO("bc_ver %X\n", val); | |
6999 | if (val < BNX2X_BC_VER) { | |
7000 | /* for now only warn | |
7001 | * later we might need to enforce this */ | |
7002 | BNX2X_ERR("This driver needs bc_ver %X but found %X," | |
7003 | " please upgrade BC\n", BNX2X_BC_VER, val); | |
7004 | } | |
7005 | } else { | |
7006 | bp->bc_ver = 0; | |
7007 | } | |
7008 | ||
7009 | val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4); | |
7010 | bp->flash_size = (NVRAM_1MB_SIZE << (val & MCPR_NVM_CFG4_FLASH_SIZE)); | |
7011 | BNX2X_DEV_INFO("flash_size 0x%x (%d)\n", | |
7012 | bp->flash_size, bp->flash_size); | |
7013 | ||
7014 | return; | |
7015 | ||
7016 | set_mac: /* only supposed to happen on emulation/FPGA */ | |
7017 | BNX2X_ERR("warning constant MAC workaround active\n"); | |
7018 | bp->dev->dev_addr[0] = 0; | |
7019 | bp->dev->dev_addr[1] = 0x50; | |
7020 | bp->dev->dev_addr[2] = 0xc2; | |
7021 | bp->dev->dev_addr[3] = 0x2c; | |
7022 | bp->dev->dev_addr[4] = 0x71; | |
7023 | bp->dev->dev_addr[5] = port ? 0x0d : 0x0e; | |
7024 | ||
7025 | memcpy(bp->dev->perm_addr, bp->dev->dev_addr, 6); | |
7026 | ||
7027 | } | |
7028 | ||
7029 | /* | |
7030 | * ethtool service functions | |
7031 | */ | |
7032 | ||
7033 | /* All ethtool functions called with rtnl_lock */ | |
7034 | ||
7035 | static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
7036 | { | |
7037 | struct bnx2x *bp = netdev_priv(dev); | |
7038 | ||
7039 | cmd->supported = bp->supported; | |
7040 | cmd->advertising = bp->advertising; | |
7041 | ||
7042 | if (netif_carrier_ok(dev)) { | |
7043 | cmd->speed = bp->line_speed; | |
7044 | cmd->duplex = bp->duplex; | |
7045 | } else { | |
7046 | cmd->speed = bp->req_line_speed; | |
7047 | cmd->duplex = bp->req_duplex; | |
7048 | } | |
7049 | ||
7050 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
7051 | cmd->port = PORT_FIBRE; | |
7052 | } else { | |
7053 | cmd->port = PORT_TP; | |
7054 | } | |
7055 | ||
7056 | cmd->phy_address = bp->phy_addr; | |
7057 | cmd->transceiver = XCVR_INTERNAL; | |
7058 | ||
7059 | if (bp->req_autoneg & AUTONEG_SPEED) { | |
7060 | cmd->autoneg = AUTONEG_ENABLE; | |
7061 | } else { | |
7062 | cmd->autoneg = AUTONEG_DISABLE; | |
7063 | } | |
7064 | ||
7065 | cmd->maxtxpkt = 0; | |
7066 | cmd->maxrxpkt = 0; | |
7067 | ||
7068 | DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" | |
7069 | DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" | |
7070 | DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" | |
7071 | DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", | |
7072 | cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, | |
7073 | cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, | |
7074 | cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); | |
7075 | ||
7076 | return 0; | |
7077 | } | |
7078 | ||
7079 | static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
7080 | { | |
7081 | struct bnx2x *bp = netdev_priv(dev); | |
7082 | u32 advertising; | |
7083 | ||
7084 | DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" | |
7085 | DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" | |
7086 | DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" | |
7087 | DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", | |
7088 | cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, | |
7089 | cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, | |
7090 | cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); | |
7091 | ||
7092 | switch (cmd->port) { | |
7093 | case PORT_TP: | |
7094 | if (!(bp->supported & SUPPORTED_TP)) | |
7095 | return -EINVAL; | |
7096 | ||
7097 | if (bp->phy_flags & PHY_XGXS_FLAG) { | |
7098 | bnx2x_link_reset(bp); | |
7099 | bnx2x_link_settings_supported(bp, SWITCH_CFG_1G); | |
7100 | bnx2x_phy_deassert(bp); | |
7101 | } | |
7102 | break; | |
7103 | ||
7104 | case PORT_FIBRE: | |
7105 | if (!(bp->supported & SUPPORTED_FIBRE)) | |
7106 | return -EINVAL; | |
7107 | ||
7108 | if (!(bp->phy_flags & PHY_XGXS_FLAG)) { | |
7109 | bnx2x_link_reset(bp); | |
7110 | bnx2x_link_settings_supported(bp, SWITCH_CFG_10G); | |
7111 | bnx2x_phy_deassert(bp); | |
7112 | } | |
7113 | break; | |
7114 | ||
7115 | default: | |
7116 | return -EINVAL; | |
7117 | } | |
7118 | ||
7119 | if (cmd->autoneg == AUTONEG_ENABLE) { | |
7120 | if (!(bp->supported & SUPPORTED_Autoneg)) | |
7121 | return -EINVAL; | |
7122 | ||
7123 | /* advertise the requested speed and duplex if supported */ | |
7124 | cmd->advertising &= bp->supported; | |
7125 | ||
7126 | bp->req_autoneg |= AUTONEG_SPEED; | |
7127 | bp->req_line_speed = 0; | |
7128 | bp->req_duplex = DUPLEX_FULL; | |
7129 | bp->advertising |= (ADVERTISED_Autoneg | cmd->advertising); | |
7130 | ||
7131 | } else { /* forced speed */ | |
7132 | /* advertise the requested speed and duplex if supported */ | |
7133 | switch (cmd->speed) { | |
7134 | case SPEED_10: | |
7135 | if (cmd->duplex == DUPLEX_FULL) { | |
7136 | if (!(bp->supported & SUPPORTED_10baseT_Full)) | |
7137 | return -EINVAL; | |
7138 | ||
7139 | advertising = (ADVERTISED_10baseT_Full | | |
7140 | ADVERTISED_TP); | |
7141 | } else { | |
7142 | if (!(bp->supported & SUPPORTED_10baseT_Half)) | |
7143 | return -EINVAL; | |
7144 | ||
7145 | advertising = (ADVERTISED_10baseT_Half | | |
7146 | ADVERTISED_TP); | |
7147 | } | |
7148 | break; | |
7149 | ||
7150 | case SPEED_100: | |
7151 | if (cmd->duplex == DUPLEX_FULL) { | |
7152 | if (!(bp->supported & | |
7153 | SUPPORTED_100baseT_Full)) | |
7154 | return -EINVAL; | |
7155 | ||
7156 | advertising = (ADVERTISED_100baseT_Full | | |
7157 | ADVERTISED_TP); | |
7158 | } else { | |
7159 | if (!(bp->supported & | |
7160 | SUPPORTED_100baseT_Half)) | |
7161 | return -EINVAL; | |
7162 | ||
7163 | advertising = (ADVERTISED_100baseT_Half | | |
7164 | ADVERTISED_TP); | |
7165 | } | |
7166 | break; | |
7167 | ||
7168 | case SPEED_1000: | |
7169 | if (cmd->duplex != DUPLEX_FULL) | |
7170 | return -EINVAL; | |
7171 | ||
7172 | if (!(bp->supported & SUPPORTED_1000baseT_Full)) | |
7173 | return -EINVAL; | |
7174 | ||
7175 | advertising = (ADVERTISED_1000baseT_Full | | |
7176 | ADVERTISED_TP); | |
7177 | break; | |
7178 | ||
7179 | case SPEED_2500: | |
7180 | if (cmd->duplex != DUPLEX_FULL) | |
7181 | return -EINVAL; | |
7182 | ||
7183 | if (!(bp->supported & SUPPORTED_2500baseT_Full)) | |
7184 | return -EINVAL; | |
7185 | ||
7186 | advertising = (ADVERTISED_2500baseT_Full | | |
7187 | ADVERTISED_TP); | |
7188 | break; | |
7189 | ||
7190 | case SPEED_10000: | |
7191 | if (cmd->duplex != DUPLEX_FULL) | |
7192 | return -EINVAL; | |
7193 | ||
7194 | if (!(bp->supported & SUPPORTED_10000baseT_Full)) | |
7195 | return -EINVAL; | |
7196 | ||
7197 | advertising = (ADVERTISED_10000baseT_Full | | |
7198 | ADVERTISED_FIBRE); | |
7199 | break; | |
7200 | ||
7201 | default: | |
7202 | return -EINVAL; | |
7203 | } | |
7204 | ||
7205 | bp->req_autoneg &= ~AUTONEG_SPEED; | |
7206 | bp->req_line_speed = cmd->speed; | |
7207 | bp->req_duplex = cmd->duplex; | |
7208 | bp->advertising = advertising; | |
7209 | } | |
7210 | ||
7211 | DP(NETIF_MSG_LINK, "req_autoneg 0x%x req_line_speed %d\n" | |
7212 | DP_LEVEL " req_duplex %d advertising 0x%x\n", | |
7213 | bp->req_autoneg, bp->req_line_speed, bp->req_duplex, | |
7214 | bp->advertising); | |
7215 | ||
7216 | bnx2x_stop_stats(bp); | |
7217 | bnx2x_link_initialize(bp); | |
7218 | ||
7219 | return 0; | |
7220 | } | |
7221 | ||
7222 | static void bnx2x_get_drvinfo(struct net_device *dev, | |
7223 | struct ethtool_drvinfo *info) | |
7224 | { | |
7225 | struct bnx2x *bp = netdev_priv(dev); | |
7226 | ||
7227 | strcpy(info->driver, DRV_MODULE_NAME); | |
7228 | strcpy(info->version, DRV_MODULE_VERSION); | |
7229 | snprintf(info->fw_version, 32, "%d.%d.%d:%d (BC VER %x)", | |
7230 | BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION, | |
7231 | BCM_5710_FW_REVISION_VERSION, BCM_5710_FW_COMPILE_FLAGS, | |
7232 | bp->bc_ver); | |
7233 | strcpy(info->bus_info, pci_name(bp->pdev)); | |
7234 | info->n_stats = BNX2X_NUM_STATS; | |
7235 | info->testinfo_len = BNX2X_NUM_TESTS; | |
7236 | info->eedump_len = bp->flash_size; | |
7237 | info->regdump_len = 0; | |
7238 | } | |
7239 | ||
7240 | static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
7241 | { | |
7242 | struct bnx2x *bp = netdev_priv(dev); | |
7243 | ||
7244 | if (bp->flags & NO_WOL_FLAG) { | |
7245 | wol->supported = 0; | |
7246 | wol->wolopts = 0; | |
7247 | } else { | |
7248 | wol->supported = WAKE_MAGIC; | |
7249 | if (bp->wol) | |
7250 | wol->wolopts = WAKE_MAGIC; | |
7251 | else | |
7252 | wol->wolopts = 0; | |
7253 | } | |
7254 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
7255 | } | |
7256 | ||
7257 | static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
7258 | { | |
7259 | struct bnx2x *bp = netdev_priv(dev); | |
7260 | ||
7261 | if (wol->wolopts & ~WAKE_MAGIC) | |
7262 | return -EINVAL; | |
7263 | ||
7264 | if (wol->wolopts & WAKE_MAGIC) { | |
7265 | if (bp->flags & NO_WOL_FLAG) | |
7266 | return -EINVAL; | |
7267 | ||
7268 | bp->wol = 1; | |
7269 | } else { | |
7270 | bp->wol = 0; | |
7271 | } | |
7272 | return 0; | |
7273 | } | |
7274 | ||
7275 | static u32 bnx2x_get_msglevel(struct net_device *dev) | |
7276 | { | |
7277 | struct bnx2x *bp = netdev_priv(dev); | |
7278 | ||
7279 | return bp->msglevel; | |
7280 | } | |
7281 | ||
7282 | static void bnx2x_set_msglevel(struct net_device *dev, u32 level) | |
7283 | { | |
7284 | struct bnx2x *bp = netdev_priv(dev); | |
7285 | ||
7286 | if (capable(CAP_NET_ADMIN)) | |
7287 | bp->msglevel = level; | |
7288 | } | |
7289 | ||
7290 | static int bnx2x_nway_reset(struct net_device *dev) | |
7291 | { | |
7292 | struct bnx2x *bp = netdev_priv(dev); | |
7293 | ||
7294 | if (bp->state != BNX2X_STATE_OPEN) { | |
7295 | DP(NETIF_MSG_PROBE, "state is %x, returning\n", bp->state); | |
7296 | return -EAGAIN; | |
7297 | } | |
7298 | ||
7299 | bnx2x_stop_stats(bp); | |
7300 | bnx2x_link_initialize(bp); | |
7301 | ||
7302 | return 0; | |
7303 | } | |
7304 | ||
7305 | static int bnx2x_get_eeprom_len(struct net_device *dev) | |
7306 | { | |
7307 | struct bnx2x *bp = netdev_priv(dev); | |
7308 | ||
7309 | return bp->flash_size; | |
7310 | } | |
7311 | ||
7312 | static int bnx2x_acquire_nvram_lock(struct bnx2x *bp) | |
7313 | { | |
7314 | int port = bp->port; | |
7315 | int count, i; | |
7316 | u32 val = 0; | |
7317 | ||
7318 | /* adjust timeout for emulation/FPGA */ | |
7319 | count = NVRAM_TIMEOUT_COUNT; | |
7320 | if (CHIP_REV_IS_SLOW(bp)) | |
7321 | count *= 100; | |
7322 | ||
7323 | /* request access to nvram interface */ | |
7324 | REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, | |
7325 | (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port)); | |
7326 | ||
7327 | for (i = 0; i < count*10; i++) { | |
7328 | val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); | |
7329 | if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) | |
7330 | break; | |
7331 | ||
7332 | udelay(5); | |
7333 | } | |
7334 | ||
7335 | if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) { | |
7336 | DP(NETIF_MSG_NVM, "cannot get access to nvram interface\n"); | |
7337 | return -EBUSY; | |
7338 | } | |
7339 | ||
7340 | return 0; | |
7341 | } | |
7342 | ||
7343 | static int bnx2x_release_nvram_lock(struct bnx2x *bp) | |
7344 | { | |
7345 | int port = bp->port; | |
7346 | int count, i; | |
7347 | u32 val = 0; | |
7348 | ||
7349 | /* adjust timeout for emulation/FPGA */ | |
7350 | count = NVRAM_TIMEOUT_COUNT; | |
7351 | if (CHIP_REV_IS_SLOW(bp)) | |
7352 | count *= 100; | |
7353 | ||
7354 | /* relinquish nvram interface */ | |
7355 | REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, | |
7356 | (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port)); | |
7357 | ||
7358 | for (i = 0; i < count*10; i++) { | |
7359 | val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); | |
7360 | if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) | |
7361 | break; | |
7362 | ||
7363 | udelay(5); | |
7364 | } | |
7365 | ||
7366 | if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) { | |
7367 | DP(NETIF_MSG_NVM, "cannot free access to nvram interface\n"); | |
7368 | return -EBUSY; | |
7369 | } | |
7370 | ||
7371 | return 0; | |
7372 | } | |
7373 | ||
7374 | static void bnx2x_enable_nvram_access(struct bnx2x *bp) | |
7375 | { | |
7376 | u32 val; | |
7377 | ||
7378 | val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); | |
7379 | ||
7380 | /* enable both bits, even on read */ | |
7381 | REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, | |
7382 | (val | MCPR_NVM_ACCESS_ENABLE_EN | | |
7383 | MCPR_NVM_ACCESS_ENABLE_WR_EN)); | |
7384 | } | |
7385 | ||
7386 | static void bnx2x_disable_nvram_access(struct bnx2x *bp) | |
7387 | { | |
7388 | u32 val; | |
7389 | ||
7390 | val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); | |
7391 | ||
7392 | /* disable both bits, even after read */ | |
7393 | REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, | |
7394 | (val & ~(MCPR_NVM_ACCESS_ENABLE_EN | | |
7395 | MCPR_NVM_ACCESS_ENABLE_WR_EN))); | |
7396 | } | |
7397 | ||
7398 | static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val, | |
7399 | u32 cmd_flags) | |
7400 | { | |
7401 | int rc; | |
7402 | int count, i; | |
7403 | u32 val; | |
7404 | ||
7405 | /* build the command word */ | |
7406 | cmd_flags |= MCPR_NVM_COMMAND_DOIT; | |
7407 | ||
7408 | /* need to clear DONE bit separately */ | |
7409 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); | |
7410 | ||
7411 | /* address of the NVRAM to read from */ | |
7412 | REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, | |
7413 | (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); | |
7414 | ||
7415 | /* issue a read command */ | |
7416 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); | |
7417 | ||
7418 | /* adjust timeout for emulation/FPGA */ | |
7419 | count = NVRAM_TIMEOUT_COUNT; | |
7420 | if (CHIP_REV_IS_SLOW(bp)) | |
7421 | count *= 100; | |
7422 | ||
7423 | /* wait for completion */ | |
7424 | *ret_val = 0; | |
7425 | rc = -EBUSY; | |
7426 | for (i = 0; i < count; i++) { | |
7427 | udelay(5); | |
7428 | val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); | |
7429 | ||
7430 | if (val & MCPR_NVM_COMMAND_DONE) { | |
7431 | val = REG_RD(bp, MCP_REG_MCPR_NVM_READ); | |
7432 | DP(NETIF_MSG_NVM, "val 0x%08x\n", val); | |
7433 | /* we read nvram data in cpu order | |
7434 | * but ethtool sees it as an array of bytes | |
7435 | * converting to big-endian will do the work */ | |
7436 | val = cpu_to_be32(val); | |
7437 | *ret_val = val; | |
7438 | rc = 0; | |
7439 | break; | |
7440 | } | |
7441 | } | |
7442 | ||
7443 | return rc; | |
7444 | } | |
7445 | ||
7446 | static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, | |
7447 | int buf_size) | |
7448 | { | |
7449 | int rc; | |
7450 | u32 cmd_flags; | |
7451 | u32 val; | |
7452 | ||
7453 | if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { | |
7454 | DP(NETIF_MSG_NVM, | |
7455 | "Invalid paramter: offset 0x%x buf_size 0x%x\n", | |
7456 | offset, buf_size); | |
7457 | return -EINVAL; | |
7458 | } | |
7459 | ||
7460 | if (offset + buf_size > bp->flash_size) { | |
7461 | DP(NETIF_MSG_NVM, "Invalid paramter: offset (0x%x) +" | |
7462 | " buf_size (0x%x) > flash_size (0x%x)\n", | |
7463 | offset, buf_size, bp->flash_size); | |
7464 | return -EINVAL; | |
7465 | } | |
7466 | ||
7467 | /* request access to nvram interface */ | |
7468 | rc = bnx2x_acquire_nvram_lock(bp); | |
7469 | if (rc) | |
7470 | return rc; | |
7471 | ||
7472 | /* enable access to nvram interface */ | |
7473 | bnx2x_enable_nvram_access(bp); | |
7474 | ||
7475 | /* read the first word(s) */ | |
7476 | cmd_flags = MCPR_NVM_COMMAND_FIRST; | |
7477 | while ((buf_size > sizeof(u32)) && (rc == 0)) { | |
7478 | rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); | |
7479 | memcpy(ret_buf, &val, 4); | |
7480 | ||
7481 | /* advance to the next dword */ | |
7482 | offset += sizeof(u32); | |
7483 | ret_buf += sizeof(u32); | |
7484 | buf_size -= sizeof(u32); | |
7485 | cmd_flags = 0; | |
7486 | } | |
7487 | ||
7488 | if (rc == 0) { | |
7489 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
7490 | rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); | |
7491 | memcpy(ret_buf, &val, 4); | |
7492 | } | |
7493 | ||
7494 | /* disable access to nvram interface */ | |
7495 | bnx2x_disable_nvram_access(bp); | |
7496 | bnx2x_release_nvram_lock(bp); | |
7497 | ||
7498 | return rc; | |
7499 | } | |
7500 | ||
7501 | static int bnx2x_get_eeprom(struct net_device *dev, | |
7502 | struct ethtool_eeprom *eeprom, u8 *eebuf) | |
7503 | { | |
7504 | struct bnx2x *bp = netdev_priv(dev); | |
7505 | int rc; | |
7506 | ||
7507 | DP(NETIF_MSG_NVM, "ethtool_eeprom: cmd %d\n" | |
7508 | DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", | |
7509 | eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, | |
7510 | eeprom->len, eeprom->len); | |
7511 | ||
7512 | /* parameters already validated in ethtool_get_eeprom */ | |
7513 | ||
7514 | rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); | |
7515 | ||
7516 | return rc; | |
7517 | } | |
7518 | ||
7519 | static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, | |
7520 | u32 cmd_flags) | |
7521 | { | |
7522 | int rc; | |
7523 | int count, i; | |
7524 | ||
7525 | /* build the command word */ | |
7526 | cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR; | |
7527 | ||
7528 | /* need to clear DONE bit separately */ | |
7529 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); | |
7530 | ||
7531 | /* write the data */ | |
7532 | REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val); | |
7533 | ||
7534 | /* address of the NVRAM to write to */ | |
7535 | REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, | |
7536 | (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); | |
7537 | ||
7538 | /* issue the write command */ | |
7539 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); | |
7540 | ||
7541 | /* adjust timeout for emulation/FPGA */ | |
7542 | count = NVRAM_TIMEOUT_COUNT; | |
7543 | if (CHIP_REV_IS_SLOW(bp)) | |
7544 | count *= 100; | |
7545 | ||
7546 | /* wait for completion */ | |
7547 | rc = -EBUSY; | |
7548 | for (i = 0; i < count; i++) { | |
7549 | udelay(5); | |
7550 | val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); | |
7551 | if (val & MCPR_NVM_COMMAND_DONE) { | |
7552 | rc = 0; | |
7553 | break; | |
7554 | } | |
7555 | } | |
7556 | ||
7557 | return rc; | |
7558 | } | |
7559 | ||
7560 | #define BYTE_OFFSET(offset) (8 * (offset & 0x03)) | |
7561 | ||
7562 | static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, | |
7563 | int buf_size) | |
7564 | { | |
7565 | int rc; | |
7566 | u32 cmd_flags; | |
7567 | u32 align_offset; | |
7568 | u32 val; | |
7569 | ||
7570 | if (offset + buf_size > bp->flash_size) { | |
7571 | DP(NETIF_MSG_NVM, "Invalid paramter: offset (0x%x) +" | |
7572 | " buf_size (0x%x) > flash_size (0x%x)\n", | |
7573 | offset, buf_size, bp->flash_size); | |
7574 | return -EINVAL; | |
7575 | } | |
7576 | ||
7577 | /* request access to nvram interface */ | |
7578 | rc = bnx2x_acquire_nvram_lock(bp); | |
7579 | if (rc) | |
7580 | return rc; | |
7581 | ||
7582 | /* enable access to nvram interface */ | |
7583 | bnx2x_enable_nvram_access(bp); | |
7584 | ||
7585 | cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST); | |
7586 | align_offset = (offset & ~0x03); | |
7587 | rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags); | |
7588 | ||
7589 | if (rc == 0) { | |
7590 | val &= ~(0xff << BYTE_OFFSET(offset)); | |
7591 | val |= (*data_buf << BYTE_OFFSET(offset)); | |
7592 | ||
7593 | /* nvram data is returned as an array of bytes | |
7594 | * convert it back to cpu order */ | |
7595 | val = be32_to_cpu(val); | |
7596 | ||
7597 | DP(NETIF_MSG_NVM, "val 0x%08x\n", val); | |
7598 | ||
7599 | rc = bnx2x_nvram_write_dword(bp, align_offset, val, | |
7600 | cmd_flags); | |
7601 | } | |
7602 | ||
7603 | /* disable access to nvram interface */ | |
7604 | bnx2x_disable_nvram_access(bp); | |
7605 | bnx2x_release_nvram_lock(bp); | |
7606 | ||
7607 | return rc; | |
7608 | } | |
7609 | ||
7610 | static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, | |
7611 | int buf_size) | |
7612 | { | |
7613 | int rc; | |
7614 | u32 cmd_flags; | |
7615 | u32 val; | |
7616 | u32 written_so_far; | |
7617 | ||
7618 | if (buf_size == 1) { /* ethtool */ | |
7619 | return bnx2x_nvram_write1(bp, offset, data_buf, buf_size); | |
7620 | } | |
7621 | ||
7622 | if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { | |
7623 | DP(NETIF_MSG_NVM, | |
7624 | "Invalid paramter: offset 0x%x buf_size 0x%x\n", | |
7625 | offset, buf_size); | |
7626 | return -EINVAL; | |
7627 | } | |
7628 | ||
7629 | if (offset + buf_size > bp->flash_size) { | |
7630 | DP(NETIF_MSG_NVM, "Invalid paramter: offset (0x%x) +" | |
7631 | " buf_size (0x%x) > flash_size (0x%x)\n", | |
7632 | offset, buf_size, bp->flash_size); | |
7633 | return -EINVAL; | |
7634 | } | |
7635 | ||
7636 | /* request access to nvram interface */ | |
7637 | rc = bnx2x_acquire_nvram_lock(bp); | |
7638 | if (rc) | |
7639 | return rc; | |
7640 | ||
7641 | /* enable access to nvram interface */ | |
7642 | bnx2x_enable_nvram_access(bp); | |
7643 | ||
7644 | written_so_far = 0; | |
7645 | cmd_flags = MCPR_NVM_COMMAND_FIRST; | |
7646 | while ((written_so_far < buf_size) && (rc == 0)) { | |
7647 | if (written_so_far == (buf_size - sizeof(u32))) | |
7648 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
7649 | else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0) | |
7650 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
7651 | else if ((offset % NVRAM_PAGE_SIZE) == 0) | |
7652 | cmd_flags |= MCPR_NVM_COMMAND_FIRST; | |
7653 | ||
7654 | memcpy(&val, data_buf, 4); | |
7655 | DP(NETIF_MSG_NVM, "val 0x%08x\n", val); | |
7656 | ||
7657 | rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags); | |
7658 | ||
7659 | /* advance to the next dword */ | |
7660 | offset += sizeof(u32); | |
7661 | data_buf += sizeof(u32); | |
7662 | written_so_far += sizeof(u32); | |
7663 | cmd_flags = 0; | |
7664 | } | |
7665 | ||
7666 | /* disable access to nvram interface */ | |
7667 | bnx2x_disable_nvram_access(bp); | |
7668 | bnx2x_release_nvram_lock(bp); | |
7669 | ||
7670 | return rc; | |
7671 | } | |
7672 | ||
7673 | static int bnx2x_set_eeprom(struct net_device *dev, | |
7674 | struct ethtool_eeprom *eeprom, u8 *eebuf) | |
7675 | { | |
7676 | struct bnx2x *bp = netdev_priv(dev); | |
7677 | int rc; | |
7678 | ||
7679 | DP(NETIF_MSG_NVM, "ethtool_eeprom: cmd %d\n" | |
7680 | DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", | |
7681 | eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, | |
7682 | eeprom->len, eeprom->len); | |
7683 | ||
7684 | /* parameters already validated in ethtool_set_eeprom */ | |
7685 | ||
7686 | rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); | |
7687 | ||
7688 | return rc; | |
7689 | } | |
7690 | ||
7691 | static int bnx2x_get_coalesce(struct net_device *dev, | |
7692 | struct ethtool_coalesce *coal) | |
7693 | { | |
7694 | struct bnx2x *bp = netdev_priv(dev); | |
7695 | ||
7696 | memset(coal, 0, sizeof(struct ethtool_coalesce)); | |
7697 | ||
7698 | coal->rx_coalesce_usecs = bp->rx_ticks; | |
7699 | coal->tx_coalesce_usecs = bp->tx_ticks; | |
7700 | coal->stats_block_coalesce_usecs = bp->stats_ticks; | |
7701 | ||
7702 | return 0; | |
7703 | } | |
7704 | ||
7705 | static int bnx2x_set_coalesce(struct net_device *dev, | |
7706 | struct ethtool_coalesce *coal) | |
7707 | { | |
7708 | struct bnx2x *bp = netdev_priv(dev); | |
7709 | ||
7710 | bp->rx_ticks = (u16) coal->rx_coalesce_usecs; | |
7711 | if (bp->rx_ticks > 3000) | |
7712 | bp->rx_ticks = 3000; | |
7713 | ||
7714 | bp->tx_ticks = (u16) coal->tx_coalesce_usecs; | |
7715 | if (bp->tx_ticks > 0x3000) | |
7716 | bp->tx_ticks = 0x3000; | |
7717 | ||
7718 | bp->stats_ticks = coal->stats_block_coalesce_usecs; | |
7719 | if (bp->stats_ticks > 0xffff00) | |
7720 | bp->stats_ticks = 0xffff00; | |
7721 | bp->stats_ticks &= 0xffff00; | |
7722 | ||
7723 | if (netif_running(bp->dev)) | |
7724 | bnx2x_update_coalesce(bp); | |
7725 | ||
7726 | return 0; | |
7727 | } | |
7728 | ||
7729 | static void bnx2x_get_ringparam(struct net_device *dev, | |
7730 | struct ethtool_ringparam *ering) | |
7731 | { | |
7732 | struct bnx2x *bp = netdev_priv(dev); | |
7733 | ||
7734 | ering->rx_max_pending = MAX_RX_AVAIL; | |
7735 | ering->rx_mini_max_pending = 0; | |
7736 | ering->rx_jumbo_max_pending = 0; | |
7737 | ||
7738 | ering->rx_pending = bp->rx_ring_size; | |
7739 | ering->rx_mini_pending = 0; | |
7740 | ering->rx_jumbo_pending = 0; | |
7741 | ||
7742 | ering->tx_max_pending = MAX_TX_AVAIL; | |
7743 | ering->tx_pending = bp->tx_ring_size; | |
7744 | } | |
7745 | ||
7746 | static int bnx2x_set_ringparam(struct net_device *dev, | |
7747 | struct ethtool_ringparam *ering) | |
7748 | { | |
7749 | struct bnx2x *bp = netdev_priv(dev); | |
7750 | ||
7751 | if ((ering->rx_pending > MAX_RX_AVAIL) || | |
7752 | (ering->tx_pending > MAX_TX_AVAIL) || | |
7753 | (ering->tx_pending <= MAX_SKB_FRAGS + 4)) | |
7754 | return -EINVAL; | |
7755 | ||
7756 | bp->rx_ring_size = ering->rx_pending; | |
7757 | bp->tx_ring_size = ering->tx_pending; | |
7758 | ||
7759 | if (netif_running(bp->dev)) { | |
7760 | bnx2x_nic_unload(bp, 0); | |
7761 | bnx2x_nic_load(bp, 0); | |
7762 | } | |
7763 | ||
7764 | return 0; | |
7765 | } | |
7766 | ||
7767 | static void bnx2x_get_pauseparam(struct net_device *dev, | |
7768 | struct ethtool_pauseparam *epause) | |
7769 | { | |
7770 | struct bnx2x *bp = netdev_priv(dev); | |
7771 | ||
7772 | epause->autoneg = | |
7773 | ((bp->req_autoneg & AUTONEG_FLOW_CTRL) == AUTONEG_FLOW_CTRL); | |
7774 | epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) == FLOW_CTRL_RX); | |
7775 | epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) == FLOW_CTRL_TX); | |
7776 | ||
7777 | DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" | |
7778 | DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", | |
7779 | epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); | |
7780 | } | |
7781 | ||
7782 | static int bnx2x_set_pauseparam(struct net_device *dev, | |
7783 | struct ethtool_pauseparam *epause) | |
7784 | { | |
7785 | struct bnx2x *bp = netdev_priv(dev); | |
7786 | ||
7787 | DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" | |
7788 | DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", | |
7789 | epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); | |
7790 | ||
7791 | bp->req_flow_ctrl = FLOW_CTRL_AUTO; | |
7792 | if (epause->autoneg) { | |
7793 | bp->req_autoneg |= AUTONEG_FLOW_CTRL; | |
7794 | if (bp->dev->mtu <= 4500) { | |
7795 | bp->pause_mode = PAUSE_BOTH; | |
7796 | bp->advertising |= (ADVERTISED_Pause | | |
7797 | ADVERTISED_Asym_Pause); | |
7798 | } else { | |
7799 | bp->pause_mode = PAUSE_ASYMMETRIC; | |
7800 | bp->advertising |= ADVERTISED_Asym_Pause; | |
7801 | } | |
7802 | ||
7803 | } else { | |
7804 | bp->req_autoneg &= ~AUTONEG_FLOW_CTRL; | |
7805 | ||
7806 | if (epause->rx_pause) | |
7807 | bp->req_flow_ctrl |= FLOW_CTRL_RX; | |
7808 | if (epause->tx_pause) | |
7809 | bp->req_flow_ctrl |= FLOW_CTRL_TX; | |
7810 | ||
7811 | switch (bp->req_flow_ctrl) { | |
7812 | case FLOW_CTRL_AUTO: | |
7813 | bp->req_flow_ctrl = FLOW_CTRL_NONE; | |
7814 | bp->pause_mode = PAUSE_NONE; | |
7815 | bp->advertising &= ~(ADVERTISED_Pause | | |
7816 | ADVERTISED_Asym_Pause); | |
7817 | break; | |
7818 | ||
7819 | case FLOW_CTRL_TX: | |
7820 | bp->pause_mode = PAUSE_ASYMMETRIC; | |
7821 | bp->advertising |= ADVERTISED_Asym_Pause; | |
7822 | break; | |
7823 | ||
7824 | case FLOW_CTRL_RX: | |
7825 | case FLOW_CTRL_BOTH: | |
7826 | bp->pause_mode = PAUSE_BOTH; | |
7827 | bp->advertising |= (ADVERTISED_Pause | | |
7828 | ADVERTISED_Asym_Pause); | |
7829 | break; | |
7830 | } | |
7831 | } | |
7832 | ||
7833 | DP(NETIF_MSG_LINK, "req_autoneg 0x%x req_flow_ctrl 0x%x\n" | |
7834 | DP_LEVEL " pause_mode %d advertising 0x%x\n", | |
7835 | bp->req_autoneg, bp->req_flow_ctrl, bp->pause_mode, | |
7836 | bp->advertising); | |
7837 | ||
7838 | bnx2x_stop_stats(bp); | |
7839 | bnx2x_link_initialize(bp); | |
7840 | ||
7841 | return 0; | |
7842 | } | |
7843 | ||
7844 | static u32 bnx2x_get_rx_csum(struct net_device *dev) | |
7845 | { | |
7846 | struct bnx2x *bp = netdev_priv(dev); | |
7847 | ||
7848 | return bp->rx_csum; | |
7849 | } | |
7850 | ||
7851 | static int bnx2x_set_rx_csum(struct net_device *dev, u32 data) | |
7852 | { | |
7853 | struct bnx2x *bp = netdev_priv(dev); | |
7854 | ||
7855 | bp->rx_csum = data; | |
7856 | return 0; | |
7857 | } | |
7858 | ||
7859 | static int bnx2x_set_tso(struct net_device *dev, u32 data) | |
7860 | { | |
7861 | if (data) | |
7862 | dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); | |
7863 | else | |
7864 | dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN); | |
7865 | return 0; | |
7866 | } | |
7867 | ||
7868 | static struct { | |
7869 | char string[ETH_GSTRING_LEN]; | |
7870 | } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = { | |
7871 | { "MC Errors (online)" } | |
7872 | }; | |
7873 | ||
7874 | static int bnx2x_self_test_count(struct net_device *dev) | |
7875 | { | |
7876 | return BNX2X_NUM_TESTS; | |
7877 | } | |
7878 | ||
7879 | static void bnx2x_self_test(struct net_device *dev, | |
7880 | struct ethtool_test *etest, u64 *buf) | |
7881 | { | |
7882 | struct bnx2x *bp = netdev_priv(dev); | |
7883 | int stats_state; | |
7884 | ||
7885 | memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS); | |
7886 | ||
7887 | if (bp->state != BNX2X_STATE_OPEN) { | |
7888 | DP(NETIF_MSG_PROBE, "state is %x, returning\n", bp->state); | |
7889 | return; | |
7890 | } | |
7891 | ||
7892 | stats_state = bp->stats_state; | |
7893 | bnx2x_stop_stats(bp); | |
7894 | ||
7895 | if (bnx2x_mc_assert(bp) != 0) { | |
7896 | buf[0] = 1; | |
7897 | etest->flags |= ETH_TEST_FL_FAILED; | |
7898 | } | |
7899 | ||
7900 | #ifdef BNX2X_EXTRA_DEBUG | |
7901 | bnx2x_panic_dump(bp); | |
7902 | #endif | |
7903 | bp->stats_state = stats_state; | |
7904 | } | |
7905 | ||
7906 | static struct { | |
7907 | char string[ETH_GSTRING_LEN]; | |
7908 | } bnx2x_stats_str_arr[BNX2X_NUM_STATS] = { | |
7909 | { "rx_bytes"}, /* 0 */ | |
7910 | { "rx_error_bytes"}, /* 1 */ | |
7911 | { "tx_bytes"}, /* 2 */ | |
7912 | { "tx_error_bytes"}, /* 3 */ | |
7913 | { "rx_ucast_packets"}, /* 4 */ | |
7914 | { "rx_mcast_packets"}, /* 5 */ | |
7915 | { "rx_bcast_packets"}, /* 6 */ | |
7916 | { "tx_ucast_packets"}, /* 7 */ | |
7917 | { "tx_mcast_packets"}, /* 8 */ | |
7918 | { "tx_bcast_packets"}, /* 9 */ | |
7919 | { "tx_mac_errors"}, /* 10 */ | |
7920 | { "tx_carrier_errors"}, /* 11 */ | |
7921 | { "rx_crc_errors"}, /* 12 */ | |
7922 | { "rx_align_errors"}, /* 13 */ | |
7923 | { "tx_single_collisions"}, /* 14 */ | |
7924 | { "tx_multi_collisions"}, /* 15 */ | |
7925 | { "tx_deferred"}, /* 16 */ | |
7926 | { "tx_excess_collisions"}, /* 17 */ | |
7927 | { "tx_late_collisions"}, /* 18 */ | |
7928 | { "tx_total_collisions"}, /* 19 */ | |
7929 | { "rx_fragments"}, /* 20 */ | |
7930 | { "rx_jabbers"}, /* 21 */ | |
7931 | { "rx_undersize_packets"}, /* 22 */ | |
7932 | { "rx_oversize_packets"}, /* 23 */ | |
7933 | { "rx_xon_frames"}, /* 24 */ | |
7934 | { "rx_xoff_frames"}, /* 25 */ | |
7935 | { "tx_xon_frames"}, /* 26 */ | |
7936 | { "tx_xoff_frames"}, /* 27 */ | |
7937 | { "rx_mac_ctrl_frames"}, /* 28 */ | |
7938 | { "rx_filtered_packets"}, /* 29 */ | |
7939 | { "rx_discards"}, /* 30 */ | |
7940 | }; | |
7941 | ||
7942 | #define STATS_OFFSET32(offset_name) \ | |
7943 | (offsetof(struct bnx2x_eth_stats, offset_name) / 4) | |
7944 | ||
7945 | static unsigned long bnx2x_stats_offset_arr[BNX2X_NUM_STATS] = { | |
7946 | STATS_OFFSET32(total_bytes_received_hi), /* 0 */ | |
7947 | STATS_OFFSET32(stat_IfHCInBadOctets_hi), /* 1 */ | |
7948 | STATS_OFFSET32(total_bytes_transmitted_hi), /* 2 */ | |
7949 | STATS_OFFSET32(stat_IfHCOutBadOctets_hi), /* 3 */ | |
7950 | STATS_OFFSET32(total_unicast_packets_received_hi), /* 4 */ | |
7951 | STATS_OFFSET32(total_multicast_packets_received_hi), /* 5 */ | |
7952 | STATS_OFFSET32(total_broadcast_packets_received_hi), /* 6 */ | |
7953 | STATS_OFFSET32(total_unicast_packets_transmitted_hi), /* 7 */ | |
7954 | STATS_OFFSET32(total_multicast_packets_transmitted_hi), /* 8 */ | |
7955 | STATS_OFFSET32(total_broadcast_packets_transmitted_hi), /* 9 */ | |
7956 | STATS_OFFSET32(stat_Dot3statsInternalMacTransmitErrors), /* 10 */ | |
7957 | STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors), /* 11 */ | |
7958 | STATS_OFFSET32(crc_receive_errors), /* 12 */ | |
7959 | STATS_OFFSET32(alignment_errors), /* 13 */ | |
7960 | STATS_OFFSET32(single_collision_transmit_frames), /* 14 */ | |
7961 | STATS_OFFSET32(multiple_collision_transmit_frames), /* 15 */ | |
7962 | STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions), /* 16 */ | |
7963 | STATS_OFFSET32(excessive_collision_frames), /* 17 */ | |
7964 | STATS_OFFSET32(late_collision_frames), /* 18 */ | |
7965 | STATS_OFFSET32(number_of_bugs_found_in_stats_spec), /* 19 */ | |
7966 | STATS_OFFSET32(runt_packets_received), /* 20 */ | |
7967 | STATS_OFFSET32(jabber_packets_received), /* 21 */ | |
7968 | STATS_OFFSET32(error_runt_packets_received), /* 22 */ | |
7969 | STATS_OFFSET32(error_jabber_packets_received), /* 23 */ | |
7970 | STATS_OFFSET32(pause_xon_frames_received), /* 24 */ | |
7971 | STATS_OFFSET32(pause_xoff_frames_received), /* 25 */ | |
7972 | STATS_OFFSET32(pause_xon_frames_transmitted), /* 26 */ | |
7973 | STATS_OFFSET32(pause_xoff_frames_transmitted), /* 27 */ | |
7974 | STATS_OFFSET32(control_frames_received), /* 28 */ | |
7975 | STATS_OFFSET32(mac_filter_discard), /* 29 */ | |
7976 | STATS_OFFSET32(no_buff_discard), /* 30 */ | |
7977 | }; | |
7978 | ||
7979 | static u8 bnx2x_stats_len_arr[BNX2X_NUM_STATS] = { | |
7980 | 8, 0, 8, 0, 8, 8, 8, 8, 8, 8, | |
7981 | 4, 0, 4, 4, 4, 4, 4, 4, 4, 4, | |
7982 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
7983 | 4, | |
7984 | }; | |
7985 | ||
7986 | static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) | |
7987 | { | |
7988 | switch (stringset) { | |
7989 | case ETH_SS_STATS: | |
7990 | memcpy(buf, bnx2x_stats_str_arr, sizeof(bnx2x_stats_str_arr)); | |
7991 | break; | |
7992 | ||
7993 | case ETH_SS_TEST: | |
7994 | memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr)); | |
7995 | break; | |
7996 | } | |
7997 | } | |
7998 | ||
7999 | static int bnx2x_get_stats_count(struct net_device *dev) | |
8000 | { | |
8001 | return BNX2X_NUM_STATS; | |
8002 | } | |
8003 | ||
8004 | static void bnx2x_get_ethtool_stats(struct net_device *dev, | |
8005 | struct ethtool_stats *stats, u64 *buf) | |
8006 | { | |
8007 | struct bnx2x *bp = netdev_priv(dev); | |
8008 | u32 *hw_stats = (u32 *)bnx2x_sp_check(bp, eth_stats); | |
8009 | int i; | |
8010 | ||
8011 | for (i = 0; i < BNX2X_NUM_STATS; i++) { | |
8012 | if (bnx2x_stats_len_arr[i] == 0) { | |
8013 | /* skip this counter */ | |
8014 | buf[i] = 0; | |
8015 | continue; | |
8016 | } | |
8017 | if (!hw_stats) { | |
8018 | buf[i] = 0; | |
8019 | continue; | |
8020 | } | |
8021 | if (bnx2x_stats_len_arr[i] == 4) { | |
8022 | /* 4-byte counter */ | |
8023 | buf[i] = (u64) *(hw_stats + bnx2x_stats_offset_arr[i]); | |
8024 | continue; | |
8025 | } | |
8026 | /* 8-byte counter */ | |
8027 | buf[i] = HILO_U64(*(hw_stats + bnx2x_stats_offset_arr[i]), | |
8028 | *(hw_stats + bnx2x_stats_offset_arr[i] + 1)); | |
8029 | } | |
8030 | } | |
8031 | ||
8032 | static int bnx2x_phys_id(struct net_device *dev, u32 data) | |
8033 | { | |
8034 | struct bnx2x *bp = netdev_priv(dev); | |
8035 | int i; | |
8036 | ||
8037 | if (data == 0) | |
8038 | data = 2; | |
8039 | ||
8040 | for (i = 0; i < (data * 2); i++) { | |
8041 | if ((i % 2) == 0) { | |
8042 | bnx2x_leds_set(bp, SPEED_1000); | |
8043 | } else { | |
8044 | bnx2x_leds_unset(bp); | |
8045 | } | |
8046 | msleep_interruptible(500); | |
8047 | if (signal_pending(current)) | |
8048 | break; | |
8049 | } | |
8050 | ||
8051 | if (bp->link_up) | |
8052 | bnx2x_leds_set(bp, bp->line_speed); | |
8053 | ||
8054 | return 0; | |
8055 | } | |
8056 | ||
8057 | static struct ethtool_ops bnx2x_ethtool_ops = { | |
8058 | .get_settings = bnx2x_get_settings, | |
8059 | .set_settings = bnx2x_set_settings, | |
8060 | .get_drvinfo = bnx2x_get_drvinfo, | |
8061 | .get_wol = bnx2x_get_wol, | |
8062 | .set_wol = bnx2x_set_wol, | |
8063 | .get_msglevel = bnx2x_get_msglevel, | |
8064 | .set_msglevel = bnx2x_set_msglevel, | |
8065 | .nway_reset = bnx2x_nway_reset, | |
8066 | .get_link = ethtool_op_get_link, | |
8067 | .get_eeprom_len = bnx2x_get_eeprom_len, | |
8068 | .get_eeprom = bnx2x_get_eeprom, | |
8069 | .set_eeprom = bnx2x_set_eeprom, | |
8070 | .get_coalesce = bnx2x_get_coalesce, | |
8071 | .set_coalesce = bnx2x_set_coalesce, | |
8072 | .get_ringparam = bnx2x_get_ringparam, | |
8073 | .set_ringparam = bnx2x_set_ringparam, | |
8074 | .get_pauseparam = bnx2x_get_pauseparam, | |
8075 | .set_pauseparam = bnx2x_set_pauseparam, | |
8076 | .get_rx_csum = bnx2x_get_rx_csum, | |
8077 | .set_rx_csum = bnx2x_set_rx_csum, | |
8078 | .get_tx_csum = ethtool_op_get_tx_csum, | |
8079 | .set_tx_csum = ethtool_op_set_tx_csum, | |
8080 | .get_sg = ethtool_op_get_sg, | |
8081 | .set_sg = ethtool_op_set_sg, | |
8082 | .get_tso = ethtool_op_get_tso, | |
8083 | .set_tso = bnx2x_set_tso, | |
8084 | .self_test_count = bnx2x_self_test_count, | |
8085 | .self_test = bnx2x_self_test, | |
8086 | .get_strings = bnx2x_get_strings, | |
8087 | .phys_id = bnx2x_phys_id, | |
8088 | .get_stats_count = bnx2x_get_stats_count, | |
8089 | .get_ethtool_stats = bnx2x_get_ethtool_stats | |
8090 | }; | |
8091 | ||
8092 | /* end of ethtool_ops */ | |
8093 | ||
8094 | /**************************************************************************** | |
8095 | * General service functions | |
8096 | ****************************************************************************/ | |
8097 | ||
8098 | static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) | |
8099 | { | |
8100 | u16 pmcsr; | |
8101 | ||
8102 | pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr); | |
8103 | ||
8104 | switch (state) { | |
8105 | case PCI_D0: | |
8106 | pci_write_config_word(bp->pdev, | |
8107 | bp->pm_cap + PCI_PM_CTRL, | |
8108 | ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) | | |
8109 | PCI_PM_CTRL_PME_STATUS)); | |
8110 | ||
8111 | if (pmcsr & PCI_PM_CTRL_STATE_MASK) | |
8112 | /* delay required during transition out of D3hot */ | |
8113 | msleep(20); | |
8114 | break; | |
8115 | ||
8116 | case PCI_D3hot: | |
8117 | pmcsr &= ~PCI_PM_CTRL_STATE_MASK; | |
8118 | pmcsr |= 3; | |
8119 | ||
8120 | if (bp->wol) | |
8121 | pmcsr |= PCI_PM_CTRL_PME_ENABLE; | |
8122 | ||
8123 | pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, | |
8124 | pmcsr); | |
8125 | ||
8126 | /* No more memory access after this point until | |
8127 | * device is brought back to D0. | |
8128 | */ | |
8129 | break; | |
8130 | ||
8131 | default: | |
8132 | return -EINVAL; | |
8133 | } | |
8134 | return 0; | |
8135 | } | |
8136 | ||
8137 | /* | |
8138 | * net_device service functions | |
8139 | */ | |
8140 | ||
8141 | /* Called with rtnl_lock from vlan functions and also netif_tx_lock | |
8142 | * from set_multicast. | |
8143 | */ | |
8144 | static void bnx2x_set_rx_mode(struct net_device *dev) | |
8145 | { | |
8146 | struct bnx2x *bp = netdev_priv(dev); | |
8147 | u32 rx_mode = BNX2X_RX_MODE_NORMAL; | |
8148 | ||
8149 | DP(NETIF_MSG_IFUP, "called dev->flags = %x\n", dev->flags); | |
8150 | ||
8151 | if (dev->flags & IFF_PROMISC) | |
8152 | rx_mode = BNX2X_RX_MODE_PROMISC; | |
8153 | ||
8154 | else if ((dev->flags & IFF_ALLMULTI) || | |
8155 | (dev->mc_count > BNX2X_MAX_MULTICAST)) | |
8156 | rx_mode = BNX2X_RX_MODE_ALLMULTI; | |
8157 | ||
8158 | else { /* some multicasts */ | |
8159 | int i, old, offset; | |
8160 | struct dev_mc_list *mclist; | |
8161 | struct mac_configuration_cmd *config = | |
8162 | bnx2x_sp(bp, mcast_config); | |
8163 | ||
8164 | for (i = 0, mclist = dev->mc_list; | |
8165 | mclist && (i < dev->mc_count); | |
8166 | i++, mclist = mclist->next) { | |
8167 | ||
8168 | config->config_table[i].cam_entry.msb_mac_addr = | |
8169 | swab16(*(u16 *)&mclist->dmi_addr[0]); | |
8170 | config->config_table[i].cam_entry.middle_mac_addr = | |
8171 | swab16(*(u16 *)&mclist->dmi_addr[2]); | |
8172 | config->config_table[i].cam_entry.lsb_mac_addr = | |
8173 | swab16(*(u16 *)&mclist->dmi_addr[4]); | |
8174 | config->config_table[i].cam_entry.flags = | |
8175 | cpu_to_le16(bp->port); | |
8176 | config->config_table[i].target_table_entry.flags = 0; | |
8177 | config->config_table[i].target_table_entry. | |
8178 | client_id = 0; | |
8179 | config->config_table[i].target_table_entry. | |
8180 | vlan_id = 0; | |
8181 | ||
8182 | DP(NETIF_MSG_IFUP, | |
8183 | "setting MCAST[%d] (%04x:%04x:%04x)\n", | |
8184 | i, config->config_table[i].cam_entry.msb_mac_addr, | |
8185 | config->config_table[i].cam_entry.middle_mac_addr, | |
8186 | config->config_table[i].cam_entry.lsb_mac_addr); | |
8187 | } | |
8188 | old = config->hdr.length_6b; | |
8189 | if (old > i) { | |
8190 | for (; i < old; i++) { | |
8191 | if (CAM_IS_INVALID(config->config_table[i])) { | |
8192 | i--; /* already invalidated */ | |
8193 | break; | |
8194 | } | |
8195 | /* invalidate */ | |
8196 | CAM_INVALIDATE(config->config_table[i]); | |
8197 | } | |
8198 | } | |
8199 | ||
8200 | if (CHIP_REV_IS_SLOW(bp)) | |
8201 | offset = BNX2X_MAX_EMUL_MULTI*(1 + bp->port); | |
8202 | else | |
8203 | offset = BNX2X_MAX_MULTICAST*(1 + bp->port); | |
8204 | ||
8205 | config->hdr.length_6b = i; | |
8206 | config->hdr.offset = offset; | |
8207 | config->hdr.reserved0 = 0; | |
8208 | config->hdr.reserved1 = 0; | |
8209 | ||
8210 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
8211 | U64_HI(bnx2x_sp_mapping(bp, mcast_config)), | |
8212 | U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0); | |
8213 | } | |
8214 | ||
8215 | bp->rx_mode = rx_mode; | |
8216 | bnx2x_set_storm_rx_mode(bp); | |
8217 | } | |
8218 | ||
8219 | static int bnx2x_poll(struct napi_struct *napi, int budget) | |
8220 | { | |
8221 | struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath, | |
8222 | napi); | |
8223 | struct bnx2x *bp = fp->bp; | |
8224 | int work_done = 0; | |
8225 | ||
8226 | #ifdef BNX2X_STOP_ON_ERROR | |
8227 | if (unlikely(bp->panic)) | |
8228 | goto out_panic; | |
8229 | #endif | |
8230 | ||
8231 | prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb); | |
8232 | prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb); | |
8233 | prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256); | |
8234 | ||
8235 | bnx2x_update_fpsb_idx(fp); | |
8236 | ||
8237 | if (le16_to_cpu(*fp->tx_cons_sb) != fp->tx_pkt_cons) | |
8238 | bnx2x_tx_int(fp, budget); | |
8239 | ||
8240 | ||
8241 | if (le16_to_cpu(*fp->rx_cons_sb) != fp->rx_comp_cons) | |
8242 | work_done = bnx2x_rx_int(fp, budget); | |
8243 | ||
8244 | ||
8245 | rmb(); /* bnx2x_has_work() reads the status block */ | |
8246 | ||
8247 | /* must not complete if we consumed full budget */ | |
8248 | if ((work_done < budget) && !bnx2x_has_work(fp)) { | |
8249 | ||
8250 | #ifdef BNX2X_STOP_ON_ERROR | |
8251 | out_panic: | |
8252 | #endif | |
8253 | netif_rx_complete(bp->dev, napi); | |
8254 | ||
8255 | bnx2x_ack_sb(bp, fp->index, USTORM_ID, | |
8256 | le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1); | |
8257 | bnx2x_ack_sb(bp, fp->index, CSTORM_ID, | |
8258 | le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1); | |
8259 | } | |
8260 | ||
8261 | return work_done; | |
8262 | } | |
8263 | ||
8264 | /* Called with netif_tx_lock. | |
8265 | * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call | |
8266 | * netif_wake_queue(). | |
8267 | */ | |
8268 | static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
8269 | { | |
8270 | struct bnx2x *bp = netdev_priv(dev); | |
8271 | struct bnx2x_fastpath *fp; | |
8272 | struct sw_tx_bd *tx_buf; | |
8273 | struct eth_tx_bd *tx_bd; | |
8274 | struct eth_tx_parse_bd *pbd = NULL; | |
8275 | u16 pkt_prod, bd_prod; | |
8276 | int nbd, fp_index = 0; | |
8277 | dma_addr_t mapping; | |
8278 | ||
8279 | #ifdef BNX2X_STOP_ON_ERROR | |
8280 | if (unlikely(bp->panic)) | |
8281 | return NETDEV_TX_BUSY; | |
8282 | #endif | |
8283 | ||
8284 | fp_index = smp_processor_id() % (bp->num_queues); | |
8285 | ||
8286 | fp = &bp->fp[fp_index]; | |
8287 | if (unlikely(bnx2x_tx_avail(bp->fp) < | |
8288 | (skb_shinfo(skb)->nr_frags + 3))) { | |
8289 | bp->slowpath->eth_stats.driver_xoff++, | |
8290 | netif_stop_queue(dev); | |
8291 | BNX2X_ERR("BUG! Tx ring full when queue awake!\n"); | |
8292 | return NETDEV_TX_BUSY; | |
8293 | } | |
8294 | ||
8295 | /* | |
8296 | This is a bit ugly. First we use one BD which we mark as start, | |
8297 | then for TSO or xsum we have a parsing info BD, | |
8298 | and only then we have the rest of the TSO bds. | |
8299 | (don't forget to mark the last one as last, | |
8300 | and to unmap only AFTER you write to the BD ...) | |
8301 | I would like to thank DovH for this mess. | |
8302 | */ | |
8303 | ||
8304 | pkt_prod = fp->tx_pkt_prod++; | |
8305 | bd_prod = fp->tx_bd_prod; | |
8306 | bd_prod = TX_BD(bd_prod); | |
8307 | ||
8308 | /* get a tx_buff and first bd */ | |
8309 | tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; | |
8310 | tx_bd = &fp->tx_desc_ring[bd_prod]; | |
8311 | ||
8312 | tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; | |
8313 | tx_bd->general_data = (UNICAST_ADDRESS << | |
8314 | ETH_TX_BD_ETH_ADDR_TYPE_SHIFT); | |
8315 | tx_bd->general_data |= 1; /* header nbd */ | |
8316 | ||
8317 | /* remeber the first bd of the packet */ | |
8318 | tx_buf->first_bd = bd_prod; | |
8319 | ||
8320 | DP(NETIF_MSG_TX_QUEUED, | |
8321 | "sending pkt %u @%p next_idx %u bd %u @%p\n", | |
8322 | pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd); | |
8323 | ||
8324 | if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
8325 | struct iphdr *iph = ip_hdr(skb); | |
8326 | u8 len; | |
8327 | ||
8328 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IP_CSUM; | |
8329 | ||
8330 | /* turn on parsing and get a bd */ | |
8331 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
8332 | pbd = (void *)&fp->tx_desc_ring[bd_prod]; | |
8333 | len = ((u8 *)iph - (u8 *)skb->data) / 2; | |
8334 | ||
8335 | /* for now NS flag is not used in Linux */ | |
8336 | pbd->global_data = (len | | |
8337 | ((skb->protocol == ETH_P_8021Q) << | |
8338 | ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT)); | |
8339 | pbd->ip_hlen = ip_hdrlen(skb) / 2; | |
8340 | pbd->total_hlen = cpu_to_le16(len + pbd->ip_hlen); | |
8341 | if (iph->protocol == IPPROTO_TCP) { | |
8342 | struct tcphdr *th = tcp_hdr(skb); | |
8343 | ||
8344 | tx_bd->bd_flags.as_bitfield |= | |
8345 | ETH_TX_BD_FLAGS_TCP_CSUM; | |
8346 | pbd->tcp_flags = htonl(tcp_flag_word(skb)) & 0xFFFF; | |
8347 | pbd->total_hlen += cpu_to_le16(tcp_hdrlen(skb) / 2); | |
8348 | pbd->tcp_pseudo_csum = swab16(th->check); | |
8349 | ||
8350 | } else if (iph->protocol == IPPROTO_UDP) { | |
8351 | struct udphdr *uh = udp_hdr(skb); | |
8352 | ||
8353 | tx_bd->bd_flags.as_bitfield |= | |
8354 | ETH_TX_BD_FLAGS_TCP_CSUM; | |
8355 | pbd->total_hlen += cpu_to_le16(4); | |
8356 | pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG; | |
8357 | pbd->cs_offset = 5; /* 10 >> 1 */ | |
8358 | pbd->tcp_pseudo_csum = 0; | |
8359 | /* HW bug: we need to subtract 10 bytes before the | |
8360 | * UDP header from the csum | |
8361 | */ | |
8362 | uh->check = (u16) ~csum_fold(csum_sub(uh->check, | |
8363 | csum_partial(((u8 *)(uh)-10), 10, 0))); | |
8364 | } | |
8365 | } | |
8366 | ||
8367 | if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) { | |
8368 | tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb)); | |
8369 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG; | |
8370 | } else { | |
8371 | tx_bd->vlan = cpu_to_le16(pkt_prod); | |
8372 | } | |
8373 | ||
8374 | mapping = pci_map_single(bp->pdev, skb->data, | |
8375 | skb->len, PCI_DMA_TODEVICE); | |
8376 | ||
8377 | tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
8378 | tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
8379 | nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2); | |
8380 | tx_bd->nbd = cpu_to_le16(nbd); | |
8381 | tx_bd->nbytes = cpu_to_le16(skb_headlen(skb)); | |
8382 | ||
8383 | DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d" | |
8384 | " nbytes %d flags %x vlan %u\n", | |
8385 | tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, tx_bd->nbd, | |
8386 | tx_bd->nbytes, tx_bd->bd_flags.as_bitfield, tx_bd->vlan); | |
8387 | ||
8388 | if (skb_shinfo(skb)->gso_size && | |
8389 | (skb->len > (bp->dev->mtu + ETH_HLEN))) { | |
8390 | int hlen = 2 * le32_to_cpu(pbd->total_hlen); | |
8391 | ||
8392 | DP(NETIF_MSG_TX_QUEUED, | |
8393 | "TSO packet len %d hlen %d total len %d tso size %d\n", | |
8394 | skb->len, hlen, skb_headlen(skb), | |
8395 | skb_shinfo(skb)->gso_size); | |
8396 | ||
8397 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO; | |
8398 | ||
8399 | if (tx_bd->nbytes > cpu_to_le16(hlen)) { | |
8400 | /* we split the first bd into headers and data bds | |
8401 | * to ease the pain of our fellow micocode engineers | |
8402 | * we use one mapping for both bds | |
8403 | * So far this has only been observed to happen | |
8404 | * in Other Operating Systems(TM) | |
8405 | */ | |
8406 | ||
8407 | /* first fix first bd */ | |
8408 | nbd++; | |
8409 | tx_bd->nbd = cpu_to_le16(nbd); | |
8410 | tx_bd->nbytes = cpu_to_le16(hlen); | |
8411 | ||
8412 | /* we only print this as an error | |
8413 | * because we don't think this will ever happen. | |
8414 | */ | |
8415 | BNX2X_ERR("TSO split header size is %d (%x:%x)" | |
8416 | " nbd %d\n", tx_bd->nbytes, tx_bd->addr_hi, | |
8417 | tx_bd->addr_lo, tx_bd->nbd); | |
8418 | ||
8419 | /* now get a new data bd | |
8420 | * (after the pbd) and fill it */ | |
8421 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
8422 | tx_bd = &fp->tx_desc_ring[bd_prod]; | |
8423 | ||
8424 | tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
8425 | tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping) + hlen); | |
8426 | tx_bd->nbytes = cpu_to_le16(skb_headlen(skb) - hlen); | |
8427 | tx_bd->vlan = cpu_to_le16(pkt_prod); | |
8428 | /* this marks the bd | |
8429 | * as one that has no individual mapping | |
8430 | * the FW ignors this flag in a bd not maked start | |
8431 | */ | |
8432 | tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO; | |
8433 | DP(NETIF_MSG_TX_QUEUED, | |
8434 | "TSO split data size is %d (%x:%x)\n", | |
8435 | tx_bd->nbytes, tx_bd->addr_hi, tx_bd->addr_lo); | |
8436 | } | |
8437 | ||
8438 | if (!pbd) { | |
8439 | /* supposed to be unreached | |
8440 | * (and therefore not handled properly...) | |
8441 | */ | |
8442 | BNX2X_ERR("LSO with no PBD\n"); | |
8443 | BUG(); | |
8444 | } | |
8445 | ||
8446 | pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
8447 | pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq); | |
8448 | pbd->ip_id = swab16(ip_hdr(skb)->id); | |
8449 | pbd->tcp_pseudo_csum = | |
8450 | swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr, | |
8451 | ip_hdr(skb)->daddr, | |
8452 | 0, IPPROTO_TCP, 0)); | |
8453 | pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN; | |
8454 | } | |
8455 | ||
8456 | { | |
8457 | int i; | |
8458 | ||
8459 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { | |
8460 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
8461 | ||
8462 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
8463 | tx_bd = &fp->tx_desc_ring[bd_prod]; | |
8464 | ||
8465 | mapping = pci_map_page(bp->pdev, frag->page, | |
8466 | frag->page_offset, | |
8467 | frag->size, PCI_DMA_TODEVICE); | |
8468 | ||
8469 | tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
8470 | tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
8471 | tx_bd->nbytes = cpu_to_le16(frag->size); | |
8472 | tx_bd->vlan = cpu_to_le16(pkt_prod); | |
8473 | tx_bd->bd_flags.as_bitfield = 0; | |
8474 | DP(NETIF_MSG_TX_QUEUED, "frag %d bd @%p" | |
8475 | " addr (%x:%x) nbytes %d flags %x\n", | |
8476 | i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, | |
8477 | tx_bd->nbytes, tx_bd->bd_flags.as_bitfield); | |
8478 | } /* for */ | |
8479 | } | |
8480 | ||
8481 | /* now at last mark the bd as the last bd */ | |
8482 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD; | |
8483 | ||
8484 | DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n", | |
8485 | tx_bd, tx_bd->bd_flags.as_bitfield); | |
8486 | ||
8487 | tx_buf->skb = skb; | |
8488 | ||
8489 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
8490 | ||
8491 | /* now send a tx doorbell, counting the next bd | |
8492 | * if the packet contains or ends with it | |
8493 | */ | |
8494 | if (TX_BD_POFF(bd_prod) < nbd) | |
8495 | nbd++; | |
8496 | ||
8497 | if (pbd) | |
8498 | DP(NETIF_MSG_TX_QUEUED, | |
8499 | "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u" | |
8500 | " tcp_flags %x xsum %x seq %u hlen %u\n", | |
8501 | pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id, | |
8502 | pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum, | |
8503 | pbd->tcp_send_seq, pbd->total_hlen); | |
8504 | ||
8505 | DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %u bd %d\n", nbd, bd_prod); | |
8506 | ||
8507 | fp->hw_tx_prods->bds_prod += cpu_to_le16(nbd); | |
8508 | mb(); /* FW restriction: must not reorder writing nbd and packets */ | |
8509 | fp->hw_tx_prods->packets_prod += cpu_to_le32(1); | |
8510 | DOORBELL(bp, fp_index, 0); | |
8511 | ||
8512 | mmiowb(); | |
8513 | ||
8514 | fp->tx_bd_prod = bd_prod; | |
8515 | dev->trans_start = jiffies; | |
8516 | ||
8517 | if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) { | |
8518 | netif_stop_queue(dev); | |
8519 | bp->slowpath->eth_stats.driver_xoff++; | |
8520 | if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3) | |
8521 | netif_wake_queue(dev); | |
8522 | } | |
8523 | fp->tx_pkt++; | |
8524 | ||
8525 | return NETDEV_TX_OK; | |
8526 | } | |
8527 | ||
8528 | static struct net_device_stats *bnx2x_get_stats(struct net_device *dev) | |
8529 | { | |
8530 | return &dev->stats; | |
8531 | } | |
8532 | ||
8533 | /* Called with rtnl_lock */ | |
8534 | static int bnx2x_open(struct net_device *dev) | |
8535 | { | |
8536 | struct bnx2x *bp = netdev_priv(dev); | |
8537 | ||
8538 | bnx2x_set_power_state(bp, PCI_D0); | |
8539 | ||
8540 | return bnx2x_nic_load(bp, 1); | |
8541 | } | |
8542 | ||
8543 | /* Called with rtnl_lock */ | |
8544 | static int bnx2x_close(struct net_device *dev) | |
8545 | { | |
8546 | int rc; | |
8547 | struct bnx2x *bp = netdev_priv(dev); | |
8548 | ||
8549 | /* Unload the driver, release IRQs */ | |
8550 | rc = bnx2x_nic_unload(bp, 1); | |
8551 | if (rc) { | |
8552 | BNX2X_ERR("bnx2x_nic_unload failed: %d\n", rc); | |
8553 | return rc; | |
8554 | } | |
8555 | bnx2x_set_power_state(bp, PCI_D3hot); | |
8556 | ||
8557 | return 0; | |
8558 | } | |
8559 | ||
8560 | /* Called with rtnl_lock */ | |
8561 | static int bnx2x_change_mac_addr(struct net_device *dev, void *p) | |
8562 | { | |
8563 | struct sockaddr *addr = p; | |
8564 | struct bnx2x *bp = netdev_priv(dev); | |
8565 | ||
8566 | if (!is_valid_ether_addr(addr->sa_data)) | |
8567 | return -EINVAL; | |
8568 | ||
8569 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
8570 | if (netif_running(dev)) | |
8571 | bnx2x_set_mac_addr(bp); | |
8572 | ||
8573 | return 0; | |
8574 | } | |
8575 | ||
8576 | /* Called with rtnl_lock */ | |
8577 | static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) | |
8578 | { | |
8579 | struct mii_ioctl_data *data = if_mii(ifr); | |
8580 | struct bnx2x *bp = netdev_priv(dev); | |
8581 | int err; | |
8582 | ||
8583 | switch (cmd) { | |
8584 | case SIOCGMIIPHY: | |
8585 | data->phy_id = bp->phy_addr; | |
8586 | ||
8587 | /* fallthru */ | |
8588 | case SIOCGMIIREG: { | |
8589 | u32 mii_regval; | |
8590 | ||
8591 | spin_lock_bh(&bp->phy_lock); | |
8592 | if (bp->state == BNX2X_STATE_OPEN) { | |
8593 | err = bnx2x_mdio22_read(bp, data->reg_num & 0x1f, | |
8594 | &mii_regval); | |
8595 | ||
8596 | data->val_out = mii_regval; | |
8597 | } else { | |
8598 | err = -EAGAIN; | |
8599 | } | |
8600 | spin_unlock_bh(&bp->phy_lock); | |
8601 | return err; | |
8602 | } | |
8603 | ||
8604 | case SIOCSMIIREG: | |
8605 | if (!capable(CAP_NET_ADMIN)) | |
8606 | return -EPERM; | |
8607 | ||
8608 | spin_lock_bh(&bp->phy_lock); | |
8609 | if (bp->state == BNX2X_STATE_OPEN) { | |
8610 | err = bnx2x_mdio22_write(bp, data->reg_num & 0x1f, | |
8611 | data->val_in); | |
8612 | } else { | |
8613 | err = -EAGAIN; | |
8614 | } | |
8615 | spin_unlock_bh(&bp->phy_lock); | |
8616 | return err; | |
8617 | ||
8618 | default: | |
8619 | /* do nothing */ | |
8620 | break; | |
8621 | } | |
8622 | ||
8623 | return -EOPNOTSUPP; | |
8624 | } | |
8625 | ||
8626 | /* Called with rtnl_lock */ | |
8627 | static int bnx2x_change_mtu(struct net_device *dev, int new_mtu) | |
8628 | { | |
8629 | struct bnx2x *bp = netdev_priv(dev); | |
8630 | ||
8631 | if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) || | |
8632 | ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE)) | |
8633 | return -EINVAL; | |
8634 | ||
8635 | /* This does not race with packet allocation | |
8636 | * because the actuall alloc size is | |
8637 | * only updated as part of load | |
8638 | */ | |
8639 | dev->mtu = new_mtu; | |
8640 | ||
8641 | if (netif_running(dev)) { | |
8642 | bnx2x_nic_unload(bp, 0); | |
8643 | bnx2x_nic_load(bp, 0); | |
8644 | } | |
8645 | return 0; | |
8646 | } | |
8647 | ||
8648 | static void bnx2x_tx_timeout(struct net_device *dev) | |
8649 | { | |
8650 | struct bnx2x *bp = netdev_priv(dev); | |
8651 | ||
8652 | #ifdef BNX2X_STOP_ON_ERROR | |
8653 | if (!bp->panic) | |
8654 | bnx2x_panic(); | |
8655 | #endif | |
8656 | /* This allows the netif to be shutdown gracefully before resetting */ | |
8657 | schedule_work(&bp->reset_task); | |
8658 | } | |
8659 | ||
8660 | #ifdef BCM_VLAN | |
8661 | /* Called with rtnl_lock */ | |
8662 | static void bnx2x_vlan_rx_register(struct net_device *dev, | |
8663 | struct vlan_group *vlgrp) | |
8664 | { | |
8665 | struct bnx2x *bp = netdev_priv(dev); | |
8666 | ||
8667 | bp->vlgrp = vlgrp; | |
8668 | if (netif_running(dev)) | |
8669 | bnx2x_set_rx_mode(dev); | |
8670 | } | |
8671 | #endif | |
8672 | ||
8673 | #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) | |
8674 | static void poll_bnx2x(struct net_device *dev) | |
8675 | { | |
8676 | struct bnx2x *bp = netdev_priv(dev); | |
8677 | ||
8678 | disable_irq(bp->pdev->irq); | |
8679 | bnx2x_interrupt(bp->pdev->irq, dev); | |
8680 | enable_irq(bp->pdev->irq); | |
8681 | } | |
8682 | #endif | |
8683 | ||
8684 | static void bnx2x_reset_task(struct work_struct *work) | |
8685 | { | |
8686 | struct bnx2x *bp = container_of(work, struct bnx2x, reset_task); | |
8687 | ||
8688 | #ifdef BNX2X_STOP_ON_ERROR | |
8689 | BNX2X_ERR("reset task called but STOP_ON_ERROR defined" | |
8690 | " so reset not done to allow debug dump,\n" | |
8691 | KERN_ERR " you will need to reboot when done\n"); | |
8692 | return; | |
8693 | #endif | |
8694 | ||
8695 | if (!netif_running(bp->dev)) | |
8696 | return; | |
8697 | ||
8698 | bp->in_reset_task = 1; | |
8699 | ||
8700 | bnx2x_netif_stop(bp); | |
8701 | ||
8702 | bnx2x_nic_unload(bp, 0); | |
8703 | bnx2x_nic_load(bp, 0); | |
8704 | ||
8705 | bp->in_reset_task = 0; | |
8706 | } | |
8707 | ||
8708 | static int __devinit bnx2x_init_board(struct pci_dev *pdev, | |
8709 | struct net_device *dev) | |
8710 | { | |
8711 | struct bnx2x *bp; | |
8712 | int rc; | |
8713 | ||
8714 | SET_NETDEV_DEV(dev, &pdev->dev); | |
8715 | bp = netdev_priv(dev); | |
8716 | ||
8717 | bp->flags = 0; | |
8718 | bp->port = PCI_FUNC(pdev->devfn); | |
8719 | ||
8720 | rc = pci_enable_device(pdev); | |
8721 | if (rc) { | |
8722 | printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n"); | |
8723 | goto err_out; | |
8724 | } | |
8725 | ||
8726 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
8727 | printk(KERN_ERR PFX "Cannot find PCI device base address," | |
8728 | " aborting\n"); | |
8729 | rc = -ENODEV; | |
8730 | goto err_out_disable; | |
8731 | } | |
8732 | ||
8733 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
8734 | printk(KERN_ERR PFX "Cannot find second PCI device" | |
8735 | " base address, aborting\n"); | |
8736 | rc = -ENODEV; | |
8737 | goto err_out_disable; | |
8738 | } | |
8739 | ||
8740 | rc = pci_request_regions(pdev, DRV_MODULE_NAME); | |
8741 | if (rc) { | |
8742 | printk(KERN_ERR PFX "Cannot obtain PCI resources," | |
8743 | " aborting\n"); | |
8744 | goto err_out_disable; | |
8745 | } | |
8746 | ||
8747 | pci_set_master(pdev); | |
8748 | ||
8749 | bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); | |
8750 | if (bp->pm_cap == 0) { | |
8751 | printk(KERN_ERR PFX "Cannot find power management" | |
8752 | " capability, aborting\n"); | |
8753 | rc = -EIO; | |
8754 | goto err_out_release; | |
8755 | } | |
8756 | ||
8757 | bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); | |
8758 | if (bp->pcie_cap == 0) { | |
8759 | printk(KERN_ERR PFX "Cannot find PCI Express capability," | |
8760 | " aborting\n"); | |
8761 | rc = -EIO; | |
8762 | goto err_out_release; | |
8763 | } | |
8764 | ||
8765 | if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) { | |
8766 | bp->flags |= USING_DAC_FLAG; | |
8767 | if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) { | |
8768 | printk(KERN_ERR PFX "pci_set_consistent_dma_mask" | |
8769 | " failed, aborting\n"); | |
8770 | rc = -EIO; | |
8771 | goto err_out_release; | |
8772 | } | |
8773 | ||
8774 | } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) { | |
8775 | printk(KERN_ERR PFX "System does not support DMA," | |
8776 | " aborting\n"); | |
8777 | rc = -EIO; | |
8778 | goto err_out_release; | |
8779 | } | |
8780 | ||
8781 | bp->dev = dev; | |
8782 | bp->pdev = pdev; | |
8783 | ||
8784 | spin_lock_init(&bp->phy_lock); | |
8785 | ||
8786 | bp->in_reset_task = 0; | |
8787 | ||
8788 | INIT_WORK(&bp->reset_task, bnx2x_reset_task); | |
8789 | INIT_WORK(&bp->sp_task, bnx2x_sp_task); | |
8790 | ||
8791 | dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0); | |
8792 | dev->mem_end = pci_resource_end(pdev, 0); | |
8793 | ||
8794 | dev->irq = pdev->irq; | |
8795 | ||
8796 | bp->regview = ioremap_nocache(dev->base_addr, | |
8797 | pci_resource_len(pdev, 0)); | |
8798 | if (!bp->regview) { | |
8799 | printk(KERN_ERR PFX "Cannot map register space, aborting\n"); | |
8800 | rc = -ENOMEM; | |
8801 | goto err_out_release; | |
8802 | } | |
8803 | ||
8804 | bp->doorbells = ioremap_nocache(pci_resource_start(pdev , 2), | |
8805 | pci_resource_len(pdev, 2)); | |
8806 | if (!bp->doorbells) { | |
8807 | printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n"); | |
8808 | rc = -ENOMEM; | |
8809 | goto err_out_unmap; | |
8810 | } | |
8811 | ||
8812 | bnx2x_set_power_state(bp, PCI_D0); | |
8813 | ||
8814 | bnx2x_get_hwinfo(bp); | |
8815 | ||
8816 | if (CHIP_REV(bp) == CHIP_REV_FPGA) { | |
8817 | printk(KERN_ERR PFX "FPGA detacted. MCP disabled," | |
8818 | " will only init first device\n"); | |
8819 | onefunc = 1; | |
8820 | nomcp = 1; | |
8821 | } | |
8822 | ||
8823 | if (nomcp) { | |
8824 | printk(KERN_ERR PFX "MCP disabled, will only" | |
8825 | " init first device\n"); | |
8826 | onefunc = 1; | |
8827 | } | |
8828 | ||
8829 | if (onefunc && bp->port) { | |
8830 | printk(KERN_ERR PFX "Second device disabled, exiting\n"); | |
8831 | rc = -ENODEV; | |
8832 | goto err_out_unmap; | |
8833 | } | |
8834 | ||
8835 | bp->tx_ring_size = MAX_TX_AVAIL; | |
8836 | bp->rx_ring_size = MAX_RX_AVAIL; | |
8837 | ||
8838 | bp->rx_csum = 1; | |
8839 | ||
8840 | bp->rx_offset = 0; | |
8841 | ||
8842 | bp->tx_quick_cons_trip_int = 0xff; | |
8843 | bp->tx_quick_cons_trip = 0xff; | |
8844 | bp->tx_ticks_int = 50; | |
8845 | bp->tx_ticks = 50; | |
8846 | ||
8847 | bp->rx_quick_cons_trip_int = 0xff; | |
8848 | bp->rx_quick_cons_trip = 0xff; | |
8849 | bp->rx_ticks_int = 25; | |
8850 | bp->rx_ticks = 25; | |
8851 | ||
8852 | bp->stats_ticks = 1000000 & 0xffff00; | |
8853 | ||
8854 | bp->timer_interval = HZ; | |
8855 | bp->current_interval = (poll ? poll : HZ); | |
8856 | ||
8857 | init_timer(&bp->timer); | |
8858 | bp->timer.expires = jiffies + bp->current_interval; | |
8859 | bp->timer.data = (unsigned long) bp; | |
8860 | bp->timer.function = bnx2x_timer; | |
8861 | ||
8862 | return 0; | |
8863 | ||
8864 | err_out_unmap: | |
8865 | if (bp->regview) { | |
8866 | iounmap(bp->regview); | |
8867 | bp->regview = NULL; | |
8868 | } | |
8869 | ||
8870 | if (bp->doorbells) { | |
8871 | iounmap(bp->doorbells); | |
8872 | bp->doorbells = NULL; | |
8873 | } | |
8874 | ||
8875 | err_out_release: | |
8876 | pci_release_regions(pdev); | |
8877 | ||
8878 | err_out_disable: | |
8879 | pci_disable_device(pdev); | |
8880 | pci_set_drvdata(pdev, NULL); | |
8881 | ||
8882 | err_out: | |
8883 | return rc; | |
8884 | } | |
8885 | ||
8886 | static int __devinit bnx2x_init_one(struct pci_dev *pdev, | |
8887 | const struct pci_device_id *ent) | |
8888 | { | |
8889 | static int version_printed; | |
8890 | struct net_device *dev = NULL; | |
8891 | struct bnx2x *bp; | |
8892 | int rc, i; | |
8893 | int port = PCI_FUNC(pdev->devfn); | |
8894 | ||
8895 | if (version_printed++ == 0) | |
8896 | printk(KERN_INFO "%s", version); | |
8897 | ||
8898 | /* dev zeroed in init_etherdev */ | |
8899 | dev = alloc_etherdev(sizeof(*bp)); | |
8900 | if (!dev) | |
8901 | return -ENOMEM; | |
8902 | ||
8903 | netif_carrier_off(dev); | |
8904 | ||
8905 | bp = netdev_priv(dev); | |
8906 | bp->msglevel = debug; | |
8907 | ||
8908 | if (port && onefunc) { | |
8909 | printk(KERN_ERR PFX "second function disabled. exiting\n"); | |
8910 | return 0; | |
8911 | } | |
8912 | ||
8913 | rc = bnx2x_init_board(pdev, dev); | |
8914 | if (rc < 0) { | |
8915 | free_netdev(dev); | |
8916 | return rc; | |
8917 | } | |
8918 | ||
8919 | dev->hard_start_xmit = bnx2x_start_xmit; | |
8920 | dev->watchdog_timeo = TX_TIMEOUT; | |
8921 | ||
8922 | dev->get_stats = bnx2x_get_stats; | |
8923 | dev->ethtool_ops = &bnx2x_ethtool_ops; | |
8924 | dev->open = bnx2x_open; | |
8925 | dev->stop = bnx2x_close; | |
8926 | dev->set_multicast_list = bnx2x_set_rx_mode; | |
8927 | dev->set_mac_address = bnx2x_change_mac_addr; | |
8928 | dev->do_ioctl = bnx2x_ioctl; | |
8929 | dev->change_mtu = bnx2x_change_mtu; | |
8930 | dev->tx_timeout = bnx2x_tx_timeout; | |
8931 | #ifdef BCM_VLAN | |
8932 | dev->vlan_rx_register = bnx2x_vlan_rx_register; | |
8933 | #endif | |
8934 | #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) | |
8935 | dev->poll_controller = poll_bnx2x; | |
8936 | #endif | |
8937 | dev->features |= NETIF_F_SG; | |
8938 | if (bp->flags & USING_DAC_FLAG) | |
8939 | dev->features |= NETIF_F_HIGHDMA; | |
8940 | dev->features |= NETIF_F_IP_CSUM; | |
8941 | #ifdef BCM_VLAN | |
8942 | dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; | |
8943 | #endif | |
8944 | dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN; | |
8945 | ||
8946 | rc = register_netdev(dev); | |
8947 | if (rc) { | |
8948 | printk(KERN_ERR PFX "Cannot register net device\n"); | |
8949 | if (bp->regview) | |
8950 | iounmap(bp->regview); | |
8951 | if (bp->doorbells) | |
8952 | iounmap(bp->doorbells); | |
8953 | pci_release_regions(pdev); | |
8954 | pci_disable_device(pdev); | |
8955 | pci_set_drvdata(pdev, NULL); | |
8956 | free_netdev(dev); | |
8957 | return rc; | |
8958 | } | |
8959 | ||
8960 | pci_set_drvdata(pdev, dev); | |
8961 | ||
8962 | bp->name = board_info[ent->driver_data].name; | |
8963 | printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz " | |
8964 | "found at mem %lx, IRQ %d, ", | |
8965 | dev->name, bp->name, | |
8966 | ((CHIP_ID(bp) & 0xf000) >> 12) + 'A', | |
8967 | ((CHIP_ID(bp) & 0x0ff0) >> 4), | |
8968 | ((bp->flags & PCIX_FLAG) ? "-X" : ""), | |
8969 | ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"), | |
8970 | bp->bus_speed_mhz, | |
8971 | dev->base_addr, | |
8972 | bp->pdev->irq); | |
8973 | ||
8974 | printk("node addr "); | |
8975 | for (i = 0; i < 6; i++) | |
8976 | printk("%2.2x", dev->dev_addr[i]); | |
8977 | printk("\n"); | |
8978 | ||
8979 | return 0; | |
8980 | } | |
8981 | ||
8982 | static void __devexit bnx2x_remove_one(struct pci_dev *pdev) | |
8983 | { | |
8984 | struct net_device *dev = pci_get_drvdata(pdev); | |
8985 | struct bnx2x *bp = netdev_priv(dev); | |
8986 | ||
8987 | flush_scheduled_work(); | |
8988 | /*tasklet_kill(&bp->sp_task);*/ | |
8989 | unregister_netdev(dev); | |
8990 | ||
8991 | if (bp->regview) | |
8992 | iounmap(bp->regview); | |
8993 | ||
8994 | if (bp->doorbells) | |
8995 | iounmap(bp->doorbells); | |
8996 | ||
8997 | free_netdev(dev); | |
8998 | pci_release_regions(pdev); | |
8999 | pci_disable_device(pdev); | |
9000 | pci_set_drvdata(pdev, NULL); | |
9001 | } | |
9002 | ||
9003 | static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state) | |
9004 | { | |
9005 | struct net_device *dev = pci_get_drvdata(pdev); | |
9006 | struct bnx2x *bp = netdev_priv(dev); | |
9007 | int rc; | |
9008 | ||
9009 | if (!netif_running(dev)) | |
9010 | return 0; | |
9011 | ||
9012 | rc = bnx2x_nic_unload(bp, 0); | |
9013 | if (!rc) | |
9014 | return rc; | |
9015 | ||
9016 | netif_device_detach(dev); | |
9017 | pci_save_state(pdev); | |
9018 | ||
9019 | bnx2x_set_power_state(bp, pci_choose_state(pdev, state)); | |
9020 | return 0; | |
9021 | } | |
9022 | ||
9023 | static int bnx2x_resume(struct pci_dev *pdev) | |
9024 | { | |
9025 | struct net_device *dev = pci_get_drvdata(pdev); | |
9026 | struct bnx2x *bp = netdev_priv(dev); | |
9027 | int rc; | |
9028 | ||
9029 | if (!netif_running(dev)) | |
9030 | return 0; | |
9031 | ||
9032 | pci_restore_state(pdev); | |
9033 | ||
9034 | bnx2x_set_power_state(bp, PCI_D0); | |
9035 | netif_device_attach(dev); | |
9036 | ||
9037 | rc = bnx2x_nic_load(bp, 0); | |
9038 | if (rc) | |
9039 | return rc; | |
9040 | ||
9041 | return 0; | |
9042 | } | |
9043 | ||
9044 | static struct pci_driver bnx2x_pci_driver = { | |
9045 | .name = DRV_MODULE_NAME, | |
9046 | .id_table = bnx2x_pci_tbl, | |
9047 | .probe = bnx2x_init_one, | |
9048 | .remove = __devexit_p(bnx2x_remove_one), | |
9049 | .suspend = bnx2x_suspend, | |
9050 | .resume = bnx2x_resume, | |
9051 | }; | |
9052 | ||
9053 | static int __init bnx2x_init(void) | |
9054 | { | |
9055 | return pci_register_driver(&bnx2x_pci_driver); | |
9056 | } | |
9057 | ||
9058 | static void __exit bnx2x_cleanup(void) | |
9059 | { | |
9060 | pci_unregister_driver(&bnx2x_pci_driver); | |
9061 | } | |
9062 | ||
9063 | module_init(bnx2x_init); | |
9064 | module_exit(bnx2x_cleanup); | |
9065 |