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Merge branch 'dccp' of git://eden-feed.erg.abdn.ac.uk/dccp_exp
[net-next-2.6.git] / drivers / net / bnx2x_main.c
CommitLineData
34f80b04 1/* bnx2x_main.c: Broadcom Everest network driver.
a2fbb9ea 2 *
f1410647 3 * Copyright (c) 2007-2008 Broadcom Corporation
a2fbb9ea
ET		 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 *
24e3fcef
EG		 9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
a2fbb9ea
ET		 11 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
c14423fe 14 * Statistics and Link management by Yitchak Gertner
a2fbb9ea
ET		 15 *
16 */
17
a2fbb9ea
ET		 18#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
26#include <linux/vmalloc.h>
27#include <linux/interrupt.h>
28#include <linux/pci.h>
29#include <linux/init.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/dma-mapping.h>
34#include <linux/bitops.h>
35#include <linux/irq.h>
36#include <linux/delay.h>
37#include <asm/byteorder.h>
38#include <linux/time.h>
39#include <linux/ethtool.h>
40#include <linux/mii.h>
41#ifdef NETIF_F_HW_VLAN_TX
42 #include <linux/if_vlan.h>
a2fbb9ea
ET		 43#endif
44#include <net/ip.h>
45#include <net/tcp.h>
46#include <net/checksum.h>
34f80b04 47#include <net/ip6_checksum.h>
a2fbb9ea
ET		 48#include <linux/workqueue.h>
49#include <linux/crc32.h>
34f80b04 50#include <linux/crc32c.h>
a2fbb9ea
ET		 51#include <linux/prefetch.h>
52#include <linux/zlib.h>
a2fbb9ea
ET		 53#include <linux/io.h>
54
55#include "bnx2x_reg.h"
56#include "bnx2x_fw_defs.h"
57#include "bnx2x_hsi.h"
c18487ee 58#include "bnx2x_link.h"
a2fbb9ea
ET		 59#include "bnx2x.h"
60#include "bnx2x_init.h"
61
437cf2f1
EG		 62#define DRV_MODULE_VERSION "1.45.21"
63#define DRV_MODULE_RELDATE "2008/09/03"
34f80b04 64#define BNX2X_BC_VER 0x040200
a2fbb9ea 65
34f80b04
EG		 66/* Time in jiffies before concluding the transmitter is hung */
67#define TX_TIMEOUT (5*HZ)
a2fbb9ea 68
53a10565 69static char version[] __devinitdata =
34f80b04 70 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
a2fbb9ea
ET		 71 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
72
24e3fcef 73MODULE_AUTHOR("Eliezer Tamir");
a2fbb9ea
ET		 74MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
75MODULE_LICENSE("GPL");
76MODULE_VERSION(DRV_MODULE_VERSION);
a2fbb9ea 77
19680c48 78static int disable_tpa;
a2fbb9ea
ET		 79static int use_inta;
80static int poll;
a2fbb9ea 81static int debug;
34f80b04 82static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
a2fbb9ea
ET		 83static int use_multi;
84
19680c48 85module_param(disable_tpa, int, 0);
a2fbb9ea
ET		 86module_param(use_inta, int, 0);
87module_param(poll, int, 0);
a2fbb9ea 88module_param(debug, int, 0);
19680c48 89MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
a2fbb9ea
ET		 90MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
91MODULE_PARM_DESC(poll, "use polling (for debug)");
c14423fe 92MODULE_PARM_DESC(debug, "default debug msglevel");
a2fbb9ea
ET		 93
94#ifdef BNX2X_MULTI
95module_param(use_multi, int, 0);
96MODULE_PARM_DESC(use_multi, "use per-CPU queues");
97#endif
98
99enum bnx2x_board_type {
100 BCM57710 = 0,
34f80b04
EG		 101 BCM57711 = 1,
102 BCM57711E = 2,
a2fbb9ea
ET		 103};
104
34f80b04 105/* indexed by board_type, above */
53a10565 106static struct {
a2fbb9ea
ET		 107 char *name;
108} board_info[] __devinitdata = {
34f80b04
EG		 109 { "Broadcom NetXtreme II BCM57710 XGb" },
110 { "Broadcom NetXtreme II BCM57711 XGb" },
111 { "Broadcom NetXtreme II BCM57711E XGb" }
a2fbb9ea
ET		 112};
113
34f80b04 114
a2fbb9ea
ET		 115static const struct pci_device_id bnx2x_pci_tbl[] = {
116 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
117 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
34f80b04
EG		 118 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
119 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
120 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
a2fbb9ea
ET		 122 { 0 }
123};
124
125MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
126
127/****************************************************************************
128* General service functions
129****************************************************************************/
130
131/* used only at init
132 * locking is done by mcp
133 */
134static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
135{
136 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
138 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
139 PCICFG_VENDOR_ID_OFFSET);
140}
141
a2fbb9ea
ET		 142static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
143{
144 u32 val;
145
146 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
147 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
148 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
149 PCICFG_VENDOR_ID_OFFSET);
150
151 return val;
152}
a2fbb9ea
ET		 153
154static const u32 dmae_reg_go_c[] = {
155 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
156 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
157 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
158 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
159};
160
161/* copy command into DMAE command memory and set DMAE command go */
162static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
163 int idx)
164{
165 u32 cmd_offset;
166 int i;
167
168 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
169 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
170 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
171
ad8d3948
EG		 172 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
173 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
a2fbb9ea
ET		 174 }
175 REG_WR(bp, dmae_reg_go_c[idx], 1);
176}
177
ad8d3948
EG		 178void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
179 u32 len32)
a2fbb9ea 180{
ad8d3948 181 struct dmae_command *dmae = &bp->init_dmae;
a2fbb9ea 182 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
ad8d3948
EG		 183 int cnt = 200;
184
185 if (!bp->dmae_ready) {
186 u32 *data = bnx2x_sp(bp, wb_data[0]);
187
188 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
189 " using indirect\n", dst_addr, len32);
190 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
191 return;
192 }
193
194 mutex_lock(&bp->dmae_mutex);
a2fbb9ea
ET		 195
196 memset(dmae, 0, sizeof(struct dmae_command));
197
198 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
199 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
200 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
201#ifdef __BIG_ENDIAN
202 DMAE_CMD_ENDIANITY_B_DW_SWAP |
203#else
204 DMAE_CMD_ENDIANITY_DW_SWAP |
205#endif
34f80b04
EG		 206 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
207 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
a2fbb9ea
ET		 208 dmae->src_addr_lo = U64_LO(dma_addr);
209 dmae->src_addr_hi = U64_HI(dma_addr);
210 dmae->dst_addr_lo = dst_addr >> 2;
211 dmae->dst_addr_hi = 0;
212 dmae->len = len32;
213 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
214 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
ad8d3948 215 dmae->comp_val = DMAE_COMP_VAL;
a2fbb9ea 216
ad8d3948 217 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
a2fbb9ea
ET		 218 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
219 "dst_addr [%x:%08x (%08x)]\n"
220 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
221 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
222 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
223 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
ad8d3948 224 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
a2fbb9ea
ET		 225 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
226 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
a2fbb9ea
ET		 227
228 *wb_comp = 0;
229
34f80b04 230 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
a2fbb9ea
ET		 231
232 udelay(5);
ad8d3948
EG		 233
234 while (*wb_comp != DMAE_COMP_VAL) {
235 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
236
ad8d3948 237 if (!cnt) {
a2fbb9ea
ET		 238 BNX2X_ERR("dmae timeout!\n");
239 break;
240 }
ad8d3948 241 cnt--;
12469401
YG		 242 /* adjust delay for emulation/FPGA */
243 if (CHIP_REV_IS_SLOW(bp))
244 msleep(100);
245 else
246 udelay(5);
a2fbb9ea 247 }
ad8d3948
EG		 248
249 mutex_unlock(&bp->dmae_mutex);
a2fbb9ea
ET		 250}
251
c18487ee 252void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
a2fbb9ea 253{
ad8d3948 254 struct dmae_command *dmae = &bp->init_dmae;
a2fbb9ea 255 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
ad8d3948
EG		 256 int cnt = 200;
257
258 if (!bp->dmae_ready) {
259 u32 *data = bnx2x_sp(bp, wb_data[0]);
260 int i;
261
262 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
263 " using indirect\n", src_addr, len32);
264 for (i = 0; i < len32; i++)
265 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
266 return;
267 }
268
269 mutex_lock(&bp->dmae_mutex);
a2fbb9ea
ET		 270
271 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
272 memset(dmae, 0, sizeof(struct dmae_command));
273
274 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
275 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
276 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
277#ifdef __BIG_ENDIAN
278 DMAE_CMD_ENDIANITY_B_DW_SWAP |
279#else
280 DMAE_CMD_ENDIANITY_DW_SWAP |
281#endif
34f80b04
EG		 282 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
283 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
a2fbb9ea
ET		 284 dmae->src_addr_lo = src_addr >> 2;
285 dmae->src_addr_hi = 0;
286 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
287 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
288 dmae->len = len32;
289 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
290 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
ad8d3948 291 dmae->comp_val = DMAE_COMP_VAL;
a2fbb9ea 292
ad8d3948 293 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
a2fbb9ea
ET		 294 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
295 "dst_addr [%x:%08x (%08x)]\n"
296 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
297 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
298 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
299 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
a2fbb9ea
ET		 300
301 *wb_comp = 0;
302
34f80b04 303 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
a2fbb9ea
ET		 304
305 udelay(5);
ad8d3948
EG		 306
307 while (*wb_comp != DMAE_COMP_VAL) {
308
ad8d3948 309 if (!cnt) {
a2fbb9ea
ET		 310 BNX2X_ERR("dmae timeout!\n");
311 break;
312 }
ad8d3948 313 cnt--;
12469401
YG		 314 /* adjust delay for emulation/FPGA */
315 if (CHIP_REV_IS_SLOW(bp))
316 msleep(100);
317 else
318 udelay(5);
a2fbb9ea 319 }
ad8d3948 320 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
a2fbb9ea
ET		 321 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
322 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
ad8d3948
EG		 323
324 mutex_unlock(&bp->dmae_mutex);
325}
326
327/* used only for slowpath so not inlined */
328static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
329{
330 u32 wb_write[2];
331
332 wb_write[0] = val_hi;
333 wb_write[1] = val_lo;
334 REG_WR_DMAE(bp, reg, wb_write, 2);
a2fbb9ea 335}
a2fbb9ea 336
ad8d3948
EG		 337#ifdef USE_WB_RD
338static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
339{
340 u32 wb_data[2];
341
342 REG_RD_DMAE(bp, reg, wb_data, 2);
343
344 return HILO_U64(wb_data[0], wb_data[1]);
345}
346#endif
347
a2fbb9ea
ET		 348static int bnx2x_mc_assert(struct bnx2x *bp)
349{
a2fbb9ea 350 char last_idx;
34f80b04
EG		 351 int i, rc = 0;
352 u32 row0, row1, row2, row3;
353
354 /* XSTORM */
355 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
356 XSTORM_ASSERT_LIST_INDEX_OFFSET);
357 if (last_idx)
358 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
359
360 /* print the asserts */
361 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
362
363 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
364 XSTORM_ASSERT_LIST_OFFSET(i));
365 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
366 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
367 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
368 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
369 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
370 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
371
372 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
373 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
374 " 0x%08x 0x%08x 0x%08x\n",
375 i, row3, row2, row1, row0);
376 rc++;
377 } else {
378 break;
379 }
380 }
381
382 /* TSTORM */
383 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
384 TSTORM_ASSERT_LIST_INDEX_OFFSET);
385 if (last_idx)
386 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
387
388 /* print the asserts */
389 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
390
391 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
392 TSTORM_ASSERT_LIST_OFFSET(i));
393 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
394 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
395 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
396 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
397 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
398 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
399
400 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
401 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
402 " 0x%08x 0x%08x 0x%08x\n",
403 i, row3, row2, row1, row0);
404 rc++;
405 } else {
406 break;
407 }
408 }
409
410 /* CSTORM */
411 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
412 CSTORM_ASSERT_LIST_INDEX_OFFSET);
413 if (last_idx)
414 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
415
416 /* print the asserts */
417 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
418
419 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
420 CSTORM_ASSERT_LIST_OFFSET(i));
421 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
422 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
423 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
424 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
425 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
426 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
427
428 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
429 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
430 " 0x%08x 0x%08x 0x%08x\n",
431 i, row3, row2, row1, row0);
432 rc++;
433 } else {
434 break;
435 }
436 }
437
438 /* USTORM */
439 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
440 USTORM_ASSERT_LIST_INDEX_OFFSET);
441 if (last_idx)
442 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
443
444 /* print the asserts */
445 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
446
447 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
448 USTORM_ASSERT_LIST_OFFSET(i));
449 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
450 USTORM_ASSERT_LIST_OFFSET(i) + 4);
451 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
452 USTORM_ASSERT_LIST_OFFSET(i) + 8);
453 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
454 USTORM_ASSERT_LIST_OFFSET(i) + 12);
455
456 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
457 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
458 " 0x%08x 0x%08x 0x%08x\n",
459 i, row3, row2, row1, row0);
460 rc++;
461 } else {
462 break;
a2fbb9ea
ET		 463 }
464 }
34f80b04 465
a2fbb9ea
ET		 466 return rc;
467}
c14423fe 468
a2fbb9ea
ET		 469static void bnx2x_fw_dump(struct bnx2x *bp)
470{
471 u32 mark, offset;
472 u32 data[9];
473 int word;
474
475 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
49d66772
ET		 476 mark = ((mark + 0x3) & ~0x3);
477 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
a2fbb9ea
ET		 478
479 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
480 for (word = 0; word < 8; word++)
481 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
482 offset + 4*word));
483 data[8] = 0x0;
49d66772 484 printk(KERN_CONT "%s", (char *)data);
a2fbb9ea
ET		 485 }
486 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
487 for (word = 0; word < 8; word++)
488 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
489 offset + 4*word));
490 data[8] = 0x0;
49d66772 491 printk(KERN_CONT "%s", (char *)data);
a2fbb9ea
ET		 492 }
493 printk("\n" KERN_ERR PFX "end of fw dump\n");
494}
495
496static void bnx2x_panic_dump(struct bnx2x *bp)
497{
498 int i;
499 u16 j, start, end;
500
66e855f3
YG		 501 bp->stats_state = STATS_STATE_DISABLED;
502 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
503
a2fbb9ea
ET		 504 BNX2X_ERR("begin crash dump -----------------\n");
505
506 for_each_queue(bp, i) {
507 struct bnx2x_fastpath *fp = &bp->fp[i];
508 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
509
510 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
34f80b04 511 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
a2fbb9ea 512 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
34f80b04 513 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
66e855f3
YG		 514 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
515 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
516 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
517 fp->rx_bd_prod, fp->rx_bd_cons,
518 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
519 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
520 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
521 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
522 " *sb_u_idx(%x) bd data(%x,%x)\n",
523 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
524 fp->status_blk->c_status_block.status_block_index,
525 fp->fp_u_idx,
526 fp->status_blk->u_status_block.status_block_index,
527 hw_prods->packets_prod, hw_prods->bds_prod);
a2fbb9ea
ET		 528
529 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
530 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
531 for (j = start; j < end; j++) {
532 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
533
534 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
535 sw_bd->skb, sw_bd->first_bd);
536 }
537
538 start = TX_BD(fp->tx_bd_cons - 10);
539 end = TX_BD(fp->tx_bd_cons + 254);
540 for (j = start; j < end; j++) {
541 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
542
543 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
544 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
545 }
546
547 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
548 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
549 for (j = start; j < end; j++) {
550 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
551 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
552
553 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
34f80b04 554 j, rx_bd[1], rx_bd[0], sw_bd->skb);
a2fbb9ea
ET		 555 }
556
3196a88a
EG		 557 start = RX_SGE(fp->rx_sge_prod);
558 end = RX_SGE(fp->last_max_sge);
7a9b2557
VZ		 559 for (j = start; j < end; j++) {
560 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
561 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
562
563 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
564 j, rx_sge[1], rx_sge[0], sw_page->page);
565 }
566
a2fbb9ea
ET		 567 start = RCQ_BD(fp->rx_comp_cons - 10);
568 end = RCQ_BD(fp->rx_comp_cons + 503);
569 for (j = start; j < end; j++) {
570 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
571
572 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
573 j, cqe[0], cqe[1], cqe[2], cqe[3]);
574 }
575 }
576
49d66772
ET		 577 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
578 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
a2fbb9ea 579 " spq_prod_idx(%u)\n",
49d66772 580 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
a2fbb9ea
ET		 581 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
582
34f80b04 583 bnx2x_fw_dump(bp);
a2fbb9ea
ET		 584 bnx2x_mc_assert(bp);
585 BNX2X_ERR("end crash dump -----------------\n");
a2fbb9ea
ET		 586}
587
615f8fd9 588static void bnx2x_int_enable(struct bnx2x *bp)
a2fbb9ea 589{
34f80b04 590 int port = BP_PORT(bp);
a2fbb9ea
ET		 591 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
592 u32 val = REG_RD(bp, addr);
593 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
594
595 if (msix) {
596 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
597 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
598 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
599 } else {
600 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
615f8fd9 601 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
a2fbb9ea
ET		 602 HC_CONFIG_0_REG_INT_LINE_EN_0 |
603 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
615f8fd9 604
615f8fd9
ET		 605 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
606 val, port, addr, msix);
607
608 REG_WR(bp, addr, val);
609
a2fbb9ea
ET		 610 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
611 }
612
615f8fd9 613 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
a2fbb9ea
ET		 614 val, port, addr, msix);
615
616 REG_WR(bp, addr, val);
34f80b04
EG		 617
618 if (CHIP_IS_E1H(bp)) {
619 /* init leading/trailing edge */
620 if (IS_E1HMF(bp)) {
621 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
622 if (bp->port.pmf)
623 /* enable nig attention */
624 val |= 0x0100;
625 } else
626 val = 0xffff;
627
628 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
629 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
630 }
a2fbb9ea
ET		 631}
632
615f8fd9 633static void bnx2x_int_disable(struct bnx2x *bp)
a2fbb9ea 634{
34f80b04 635 int port = BP_PORT(bp);
a2fbb9ea
ET		 636 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
637 u32 val = REG_RD(bp, addr);
638
639 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
640 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
641 HC_CONFIG_0_REG_INT_LINE_EN_0 |
642 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
643
644 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
645 val, port, addr);
646
647 REG_WR(bp, addr, val);
648 if (REG_RD(bp, addr) != val)
649 BNX2X_ERR("BUG! proper val not read from IGU!\n");
650}
651
615f8fd9 652static void bnx2x_int_disable_sync(struct bnx2x *bp)
a2fbb9ea 653{
a2fbb9ea
ET		 654 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
655 int i;
656
34f80b04 657 /* disable interrupt handling */
a2fbb9ea 658 atomic_inc(&bp->intr_sem);
c14423fe 659 /* prevent the HW from sending interrupts */
615f8fd9 660 bnx2x_int_disable(bp);
a2fbb9ea
ET		 661
662 /* make sure all ISRs are done */
663 if (msix) {
664 for_each_queue(bp, i)
665 synchronize_irq(bp->msix_table[i].vector);
666
667 /* one more for the Slow Path IRQ */
668 synchronize_irq(bp->msix_table[i].vector);
669 } else
670 synchronize_irq(bp->pdev->irq);
671
672 /* make sure sp_task is not running */
673 cancel_work_sync(&bp->sp_task);
a2fbb9ea
ET		 674}
675
34f80b04 676/* fast path */
a2fbb9ea
ET		 677
678/*
34f80b04 679 * General service functions
a2fbb9ea
ET		 680 */
681
34f80b04 682static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
a2fbb9ea
ET		 683 u8 storm, u16 index, u8 op, u8 update)
684{
5c862848
EG		 685 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
686 COMMAND_REG_INT_ACK);
a2fbb9ea
ET		 687 struct igu_ack_register igu_ack;
688
689 igu_ack.status_block_index = index;
690 igu_ack.sb_id_and_flags =
34f80b04 691 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
a2fbb9ea
ET		 692 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
693 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
694 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
695
5c862848
EG		 696 DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
697 (*(u32 *)&igu_ack), hc_addr);
698 REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
a2fbb9ea
ET		 699}
700
701static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
702{
703 struct host_status_block *fpsb = fp->status_blk;
704 u16 rc = 0;
705
706 barrier(); /* status block is written to by the chip */
707 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
708 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
709 rc |= 1;
710 }
711 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
712 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
713 rc |= 2;
714 }
715 return rc;
716}
717
a2fbb9ea
ET		 718static u16 bnx2x_ack_int(struct bnx2x *bp)
719{
5c862848
EG		 720 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
721 COMMAND_REG_SIMD_MASK);
722 u32 result = REG_RD(bp, hc_addr);
a2fbb9ea 723
5c862848
EG		 724 DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
725 result, hc_addr);
a2fbb9ea 726
a2fbb9ea
ET		 727 return result;
728}
729
730
731/*
732 * fast path service functions
733 */
734
735/* free skb in the packet ring at pos idx
736 * return idx of last bd freed
737 */
738static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
739 u16 idx)
740{
741 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
742 struct eth_tx_bd *tx_bd;
743 struct sk_buff *skb = tx_buf->skb;
34f80b04 744 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
a2fbb9ea
ET		 745 int nbd;
746
747 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
748 idx, tx_buf, skb);
749
750 /* unmap first bd */
751 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
752 tx_bd = &fp->tx_desc_ring[bd_idx];
753 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
754 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
755
756 nbd = le16_to_cpu(tx_bd->nbd) - 1;
34f80b04 757 new_cons = nbd + tx_buf->first_bd;
a2fbb9ea
ET		 758#ifdef BNX2X_STOP_ON_ERROR
759 if (nbd > (MAX_SKB_FRAGS + 2)) {
34f80b04 760 BNX2X_ERR("BAD nbd!\n");
a2fbb9ea
ET		 761 bnx2x_panic();
762 }
763#endif
764
765 /* Skip a parse bd and the TSO split header bd
766 since they have no mapping */
767 if (nbd)
768 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
769
770 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
771 ETH_TX_BD_FLAGS_TCP_CSUM |
772 ETH_TX_BD_FLAGS_SW_LSO)) {
773 if (--nbd)
774 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
775 tx_bd = &fp->tx_desc_ring[bd_idx];
776 /* is this a TSO split header bd? */
777 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
778 if (--nbd)
779 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
780 }
781 }
782
783 /* now free frags */
784 while (nbd > 0) {
785
786 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
787 tx_bd = &fp->tx_desc_ring[bd_idx];
788 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
789 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
790 if (--nbd)
791 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
792 }
793
794 /* release skb */
53e5e96e 795 WARN_ON(!skb);
a2fbb9ea
ET		 796 dev_kfree_skb(skb);
797 tx_buf->first_bd = 0;
798 tx_buf->skb = NULL;
799
34f80b04 800 return new_cons;
a2fbb9ea
ET		 801}
802
34f80b04 803static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
a2fbb9ea 804{
34f80b04
EG		 805 s16 used;
806 u16 prod;
807 u16 cons;
a2fbb9ea 808
34f80b04 809 barrier(); /* Tell compiler that prod and cons can change */
a2fbb9ea
ET		 810 prod = fp->tx_bd_prod;
811 cons = fp->tx_bd_cons;
812
34f80b04
EG		 813 /* NUM_TX_RINGS = number of "next-page" entries
814 It will be used as a threshold */
815 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
a2fbb9ea 816
34f80b04 817#ifdef BNX2X_STOP_ON_ERROR
53e5e96e
IJ		 818 WARN_ON(used < 0);
819 WARN_ON(used > fp->bp->tx_ring_size);
820 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
34f80b04 821#endif
a2fbb9ea 822
34f80b04 823 return (s16)(fp->bp->tx_ring_size) - used;
a2fbb9ea
ET		 824}
825
826static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
827{
828 struct bnx2x *bp = fp->bp;
829 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
830 int done = 0;
831
832#ifdef BNX2X_STOP_ON_ERROR
833 if (unlikely(bp->panic))
834 return;
835#endif
836
837 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
838 sw_cons = fp->tx_pkt_cons;
839
840 while (sw_cons != hw_cons) {
841 u16 pkt_cons;
842
843 pkt_cons = TX_BD(sw_cons);
844
845 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
846
34f80b04 847 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
a2fbb9ea
ET		 848 hw_cons, sw_cons, pkt_cons);
849
34f80b04 850/* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
a2fbb9ea
ET		 851 rmb();
852 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
853 }
854*/
855 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
856 sw_cons++;
857 done++;
858
859 if (done == work)
860 break;
861 }
862
863 fp->tx_pkt_cons = sw_cons;
864 fp->tx_bd_cons = bd_cons;
865
866 /* Need to make the tx_cons update visible to start_xmit()
867 * before checking for netif_queue_stopped(). Without the
868 * memory barrier, there is a small possibility that start_xmit()
869 * will miss it and cause the queue to be stopped forever.
870 */
871 smp_mb();
872
873 /* TBD need a thresh? */
874 if (unlikely(netif_queue_stopped(bp->dev))) {
875
876 netif_tx_lock(bp->dev);
877
878 if (netif_queue_stopped(bp->dev) &&
da5a662a 879 (bp->state == BNX2X_STATE_OPEN) &&
a2fbb9ea
ET		 880 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
881 netif_wake_queue(bp->dev);
882
883 netif_tx_unlock(bp->dev);
a2fbb9ea
ET		 884 }
885}
886
3196a88a 887
a2fbb9ea
ET		 888static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
889 union eth_rx_cqe *rr_cqe)
890{
891 struct bnx2x *bp = fp->bp;
892 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
893 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
894
34f80b04 895 DP(BNX2X_MSG_SP,
a2fbb9ea 896 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
34f80b04
EG		 897 FP_IDX(fp), cid, command, bp->state,
898 rr_cqe->ramrod_cqe.ramrod_type);
a2fbb9ea
ET		 899
900 bp->spq_left++;
901
34f80b04 902 if (FP_IDX(fp)) {
a2fbb9ea
ET		 903 switch (command | fp->state) {
904 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
905 BNX2X_FP_STATE_OPENING):
906 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
907 cid);
908 fp->state = BNX2X_FP_STATE_OPEN;
909 break;
910
911 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
912 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
913 cid);
914 fp->state = BNX2X_FP_STATE_HALTED;
915 break;
916
917 default:
34f80b04
EG		 918 BNX2X_ERR("unexpected MC reply (%d) "
919 "fp->state is %x\n", command, fp->state);
920 break;
a2fbb9ea 921 }
34f80b04 922 mb(); /* force bnx2x_wait_ramrod() to see the change */
a2fbb9ea
ET		 923 return;
924 }
c14423fe 925
a2fbb9ea
ET		 926 switch (command | bp->state) {
927 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
928 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
929 bp->state = BNX2X_STATE_OPEN;
930 break;
931
932 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
933 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
934 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
935 fp->state = BNX2X_FP_STATE_HALTED;
936 break;
937
a2fbb9ea 938 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
34f80b04 939 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
49d66772 940 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
a2fbb9ea
ET		 941 break;
942
3196a88a 943
a2fbb9ea 944 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
34f80b04 945 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
a2fbb9ea 946 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
bb2a0f7a 947 bp->set_mac_pending = 0;
a2fbb9ea
ET		 948 break;
949
49d66772 950 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
34f80b04 951 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
49d66772
ET		 952 break;
953
a2fbb9ea 954 default:
34f80b04 955 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
a2fbb9ea 956 command, bp->state);
34f80b04 957 break;
a2fbb9ea 958 }
34f80b04 959 mb(); /* force bnx2x_wait_ramrod() to see the change */
a2fbb9ea
ET		 960}
961
7a9b2557
VZ		 962static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
963 struct bnx2x_fastpath *fp, u16 index)
964{
965 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
966 struct page *page = sw_buf->page;
967 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
968
969 /* Skip "next page" elements */
970 if (!page)
971 return;
972
973 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
974 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
975 __free_pages(page, PAGES_PER_SGE_SHIFT);
976
977 sw_buf->page = NULL;
978 sge->addr_hi = 0;
979 sge->addr_lo = 0;
980}
981
982static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
983 struct bnx2x_fastpath *fp, int last)
984{
985 int i;
986
987 for (i = 0; i < last; i++)
988 bnx2x_free_rx_sge(bp, fp, i);
989}
990
991static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
992 struct bnx2x_fastpath *fp, u16 index)
993{
994 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
995 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
996 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
997 dma_addr_t mapping;
998
999 if (unlikely(page == NULL))
1000 return -ENOMEM;
1001
1002 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1003 PCI_DMA_FROMDEVICE);
8d8bb39b 1004 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
7a9b2557
VZ		 1005 __free_pages(page, PAGES_PER_SGE_SHIFT);
1006 return -ENOMEM;
1007 }
1008
1009 sw_buf->page = page;
1010 pci_unmap_addr_set(sw_buf, mapping, mapping);
1011
1012 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1013 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1014
1015 return 0;
1016}
1017
a2fbb9ea
ET		 1018static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1019 struct bnx2x_fastpath *fp, u16 index)
1020{
1021 struct sk_buff *skb;
1022 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1023 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1024 dma_addr_t mapping;
1025
1026 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1027 if (unlikely(skb == NULL))
1028 return -ENOMEM;
1029
437cf2f1 1030 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
a2fbb9ea 1031 PCI_DMA_FROMDEVICE);
8d8bb39b 1032 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
a2fbb9ea
ET		 1033 dev_kfree_skb(skb);
1034 return -ENOMEM;
1035 }
1036
1037 rx_buf->skb = skb;
1038 pci_unmap_addr_set(rx_buf, mapping, mapping);
1039
1040 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1041 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1042
1043 return 0;
1044}
1045
1046/* note that we are not allocating a new skb,
1047 * we are just moving one from cons to prod
1048 * we are not creating a new mapping,
1049 * so there is no need to check for dma_mapping_error().
1050 */
1051static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1052 struct sk_buff *skb, u16 cons, u16 prod)
1053{
1054 struct bnx2x *bp = fp->bp;
1055 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1056 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1057 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1058 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1059
1060 pci_dma_sync_single_for_device(bp->pdev,
1061 pci_unmap_addr(cons_rx_buf, mapping),
1062 bp->rx_offset + RX_COPY_THRESH,
1063 PCI_DMA_FROMDEVICE);
1064
1065 prod_rx_buf->skb = cons_rx_buf->skb;
1066 pci_unmap_addr_set(prod_rx_buf, mapping,
1067 pci_unmap_addr(cons_rx_buf, mapping));
1068 *prod_bd = *cons_bd;
1069}
1070
7a9b2557
VZ		 1071static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1072 u16 idx)
1073{
1074 u16 last_max = fp->last_max_sge;
1075
1076 if (SUB_S16(idx, last_max) > 0)
1077 fp->last_max_sge = idx;
1078}
1079
1080static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1081{
1082 int i, j;
1083
1084 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1085 int idx = RX_SGE_CNT * i - 1;
1086
1087 for (j = 0; j < 2; j++) {
1088 SGE_MASK_CLEAR_BIT(fp, idx);
1089 idx--;
1090 }
1091 }
1092}
1093
1094static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1095 struct eth_fast_path_rx_cqe *fp_cqe)
1096{
1097 struct bnx2x *bp = fp->bp;
1098 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1099 le16_to_cpu(fp_cqe->len_on_bd)) >>
1100 BCM_PAGE_SHIFT;
1101 u16 last_max, last_elem, first_elem;
1102 u16 delta = 0;
1103 u16 i;
1104
1105 if (!sge_len)
1106 return;
1107
1108 /* First mark all used pages */
1109 for (i = 0; i < sge_len; i++)
1110 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1111
1112 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1113 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1114
1115 /* Here we assume that the last SGE index is the biggest */
1116 prefetch((void *)(fp->sge_mask));
1117 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1118
1119 last_max = RX_SGE(fp->last_max_sge);
1120 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1121 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1122
1123 /* If ring is not full */
1124 if (last_elem + 1 != first_elem)
1125 last_elem++;
1126
1127 /* Now update the prod */
1128 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1129 if (likely(fp->sge_mask[i]))
1130 break;
1131
1132 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1133 delta += RX_SGE_MASK_ELEM_SZ;
1134 }
1135
1136 if (delta > 0) {
1137 fp->rx_sge_prod += delta;
1138 /* clear page-end entries */
1139 bnx2x_clear_sge_mask_next_elems(fp);
1140 }
1141
1142 DP(NETIF_MSG_RX_STATUS,
1143 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1144 fp->last_max_sge, fp->rx_sge_prod);
1145}
1146
1147static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1148{
1149 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1150 memset(fp->sge_mask, 0xff,
1151 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1152
33471629
EG		 1153 /* Clear the two last indices in the page to 1:
1154 these are the indices that correspond to the "next" element,
7a9b2557
VZ		 1155 hence will never be indicated and should be removed from
1156 the calculations. */
1157 bnx2x_clear_sge_mask_next_elems(fp);
1158}
1159
1160static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1161 struct sk_buff *skb, u16 cons, u16 prod)
1162{
1163 struct bnx2x *bp = fp->bp;
1164 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1165 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1166 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1167 dma_addr_t mapping;
1168
1169 /* move empty skb from pool to prod and map it */
1170 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1171 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
437cf2f1 1172 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
7a9b2557
VZ		 1173 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1174
1175 /* move partial skb from cons to pool (don't unmap yet) */
1176 fp->tpa_pool[queue] = *cons_rx_buf;
1177
1178 /* mark bin state as start - print error if current state != stop */
1179 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1180 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1181
1182 fp->tpa_state[queue] = BNX2X_TPA_START;
1183
1184 /* point prod_bd to new skb */
1185 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1186 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1187
1188#ifdef BNX2X_STOP_ON_ERROR
1189 fp->tpa_queue_used |= (1 << queue);
1190#ifdef __powerpc64__
1191 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1192#else
1193 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1194#endif
1195 fp->tpa_queue_used);
1196#endif
1197}
1198
1199static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1200 struct sk_buff *skb,
1201 struct eth_fast_path_rx_cqe *fp_cqe,
1202 u16 cqe_idx)
1203{
1204 struct sw_rx_page *rx_pg, old_rx_pg;
1205 struct page *sge;
1206 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1207 u32 i, frag_len, frag_size, pages;
1208 int err;
1209 int j;
1210
1211 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1212 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1213
1214 /* This is needed in order to enable forwarding support */
1215 if (frag_size)
1216 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1217 max(frag_size, (u32)len_on_bd));
1218
1219#ifdef BNX2X_STOP_ON_ERROR
1220 if (pages > 8*PAGES_PER_SGE) {
1221 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1222 pages, cqe_idx);
1223 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1224 fp_cqe->pkt_len, len_on_bd);
1225 bnx2x_panic();
1226 return -EINVAL;
1227 }
1228#endif
1229
1230 /* Run through the SGL and compose the fragmented skb */
1231 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1232 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1233
1234 /* FW gives the indices of the SGE as if the ring is an array
1235 (meaning that "next" element will consume 2 indices) */
1236 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1237 rx_pg = &fp->rx_page_ring[sge_idx];
1238 sge = rx_pg->page;
1239 old_rx_pg = *rx_pg;
1240
1241 /* If we fail to allocate a substitute page, we simply stop
1242 where we are and drop the whole packet */
1243 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1244 if (unlikely(err)) {
66e855f3 1245 bp->eth_stats.rx_skb_alloc_failed++;
7a9b2557
VZ		 1246 return err;
1247 }
1248
1249 /* Unmap the page as we r going to pass it to the stack */
1250 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1251 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1252
1253 /* Add one frag and update the appropriate fields in the skb */
1254 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1255
1256 skb->data_len += frag_len;
1257 skb->truesize += frag_len;
1258 skb->len += frag_len;
1259
1260 frag_size -= frag_len;
1261 }
1262
1263 return 0;
1264}
1265
1266static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1267 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1268 u16 cqe_idx)
1269{
1270 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1271 struct sk_buff *skb = rx_buf->skb;
1272 /* alloc new skb */
1273 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1274
1275 /* Unmap skb in the pool anyway, as we are going to change
1276 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1277 fails. */
1278 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
437cf2f1 1279 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
7a9b2557 1280
7a9b2557 1281 if (likely(new_skb)) {
66e855f3
YG		 1282 /* fix ip xsum and give it to the stack */
1283 /* (no need to map the new skb) */
7a9b2557
VZ		 1284
1285 prefetch(skb);
1286 prefetch(((char *)(skb)) + 128);
1287
7a9b2557
VZ		 1288#ifdef BNX2X_STOP_ON_ERROR
1289 if (pad + len > bp->rx_buf_size) {
1290 BNX2X_ERR("skb_put is about to fail... "
1291 "pad %d len %d rx_buf_size %d\n",
1292 pad, len, bp->rx_buf_size);
1293 bnx2x_panic();
1294 return;
1295 }
1296#endif
1297
1298 skb_reserve(skb, pad);
1299 skb_put(skb, len);
1300
1301 skb->protocol = eth_type_trans(skb, bp->dev);
1302 skb->ip_summed = CHECKSUM_UNNECESSARY;
1303
1304 {
1305 struct iphdr *iph;
1306
1307 iph = (struct iphdr *)skb->data;
1308 iph->check = 0;
1309 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1310 }
1311
1312 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1313 &cqe->fast_path_cqe, cqe_idx)) {
1314#ifdef BCM_VLAN
1315 if ((bp->vlgrp != NULL) &&
1316 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1317 PARSING_FLAGS_VLAN))
1318 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1319 le16_to_cpu(cqe->fast_path_cqe.
1320 vlan_tag));
1321 else
1322#endif
1323 netif_receive_skb(skb);
1324 } else {
1325 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1326 " - dropping packet!\n");
1327 dev_kfree_skb(skb);
1328 }
1329
1330 bp->dev->last_rx = jiffies;
1331
1332 /* put new skb in bin */
1333 fp->tpa_pool[queue].skb = new_skb;
1334
1335 } else {
66e855f3 1336 /* else drop the packet and keep the buffer in the bin */
7a9b2557
VZ		 1337 DP(NETIF_MSG_RX_STATUS,
1338 "Failed to allocate new skb - dropping packet!\n");
66e855f3 1339 bp->eth_stats.rx_skb_alloc_failed++;
7a9b2557
VZ		 1340 }
1341
1342 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1343}
1344
1345static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1346 struct bnx2x_fastpath *fp,
1347 u16 bd_prod, u16 rx_comp_prod,
1348 u16 rx_sge_prod)
1349{
1350 struct tstorm_eth_rx_producers rx_prods = {0};
1351 int i;
1352
1353 /* Update producers */
1354 rx_prods.bd_prod = bd_prod;
1355 rx_prods.cqe_prod = rx_comp_prod;
1356 rx_prods.sge_prod = rx_sge_prod;
1357
1358 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1359 REG_WR(bp, BAR_TSTRORM_INTMEM +
1360 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1361 ((u32 *)&rx_prods)[i]);
1362
1363 DP(NETIF_MSG_RX_STATUS,
1364 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1365 bd_prod, rx_comp_prod, rx_sge_prod);
1366}
1367
a2fbb9ea
ET		 1368static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1369{
1370 struct bnx2x *bp = fp->bp;
34f80b04 1371 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
a2fbb9ea
ET		 1372 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1373 int rx_pkt = 0;
1374
1375#ifdef BNX2X_STOP_ON_ERROR
1376 if (unlikely(bp->panic))
1377 return 0;
1378#endif
1379
34f80b04
EG		 1380 /* CQ "next element" is of the size of the regular element,
1381 that's why it's ok here */
a2fbb9ea
ET		 1382 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1383 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1384 hw_comp_cons++;
1385
1386 bd_cons = fp->rx_bd_cons;
1387 bd_prod = fp->rx_bd_prod;
34f80b04 1388 bd_prod_fw = bd_prod;
a2fbb9ea
ET		 1389 sw_comp_cons = fp->rx_comp_cons;
1390 sw_comp_prod = fp->rx_comp_prod;
1391
1392 /* Memory barrier necessary as speculative reads of the rx
1393 * buffer can be ahead of the index in the status block
1394 */
1395 rmb();
1396
1397 DP(NETIF_MSG_RX_STATUS,
1398 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
34f80b04 1399 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
a2fbb9ea
ET		 1400
1401 while (sw_comp_cons != hw_comp_cons) {
34f80b04 1402 struct sw_rx_bd *rx_buf = NULL;
a2fbb9ea
ET		 1403 struct sk_buff *skb;
1404 union eth_rx_cqe *cqe;
34f80b04
EG		 1405 u8 cqe_fp_flags;
1406 u16 len, pad;
a2fbb9ea
ET		 1407
1408 comp_ring_cons = RCQ_BD(sw_comp_cons);
1409 bd_prod = RX_BD(bd_prod);
1410 bd_cons = RX_BD(bd_cons);
1411
1412 cqe = &fp->rx_comp_ring[comp_ring_cons];
34f80b04 1413 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
a2fbb9ea 1414
a2fbb9ea 1415 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
34f80b04
EG		 1416 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1417 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
a2fbb9ea 1418 cqe->fast_path_cqe.rss_hash_result,
34f80b04
EG		 1419 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1420 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
a2fbb9ea
ET		 1421
1422 /* is this a slowpath msg? */
34f80b04 1423 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
a2fbb9ea
ET		 1424 bnx2x_sp_event(fp, cqe);
1425 goto next_cqe;
1426
1427 /* this is an rx packet */
1428 } else {
1429 rx_buf = &fp->rx_buf_ring[bd_cons];
1430 skb = rx_buf->skb;
a2fbb9ea
ET		 1431 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1432 pad = cqe->fast_path_cqe.placement_offset;
1433
7a9b2557
VZ		 1434 /* If CQE is marked both TPA_START and TPA_END
1435 it is a non-TPA CQE */
1436 if ((!fp->disable_tpa) &&
1437 (TPA_TYPE(cqe_fp_flags) !=
1438 (TPA_TYPE_START | TPA_TYPE_END))) {
3196a88a 1439 u16 queue = cqe->fast_path_cqe.queue_index;
7a9b2557
VZ		 1440
1441 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1442 DP(NETIF_MSG_RX_STATUS,
1443 "calling tpa_start on queue %d\n",
1444 queue);
1445
1446 bnx2x_tpa_start(fp, queue, skb,
1447 bd_cons, bd_prod);
1448 goto next_rx;
1449 }
1450
1451 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1452 DP(NETIF_MSG_RX_STATUS,
1453 "calling tpa_stop on queue %d\n",
1454 queue);
1455
1456 if (!BNX2X_RX_SUM_FIX(cqe))
1457 BNX2X_ERR("STOP on none TCP "
1458 "data\n");
1459
1460 /* This is a size of the linear data
1461 on this skb */
1462 len = le16_to_cpu(cqe->fast_path_cqe.
1463 len_on_bd);
1464 bnx2x_tpa_stop(bp, fp, queue, pad,
1465 len, cqe, comp_ring_cons);
1466#ifdef BNX2X_STOP_ON_ERROR
1467 if (bp->panic)
1468 return -EINVAL;
1469#endif
1470
1471 bnx2x_update_sge_prod(fp,
1472 &cqe->fast_path_cqe);
1473 goto next_cqe;
1474 }
1475 }
1476
a2fbb9ea
ET		 1477 pci_dma_sync_single_for_device(bp->pdev,
1478 pci_unmap_addr(rx_buf, mapping),
1479 pad + RX_COPY_THRESH,
1480 PCI_DMA_FROMDEVICE);
1481 prefetch(skb);
1482 prefetch(((char *)(skb)) + 128);
1483
1484 /* is this an error packet? */
34f80b04 1485 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
a2fbb9ea 1486 DP(NETIF_MSG_RX_ERR,
34f80b04
EG		 1487 "ERROR flags %x rx packet %u\n",
1488 cqe_fp_flags, sw_comp_cons);
66e855f3 1489 bp->eth_stats.rx_err_discard_pkt++;
a2fbb9ea
ET		 1490 goto reuse_rx;
1491 }
1492
1493 /* Since we don't have a jumbo ring
1494 * copy small packets if mtu > 1500
1495 */
1496 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1497 (len <= RX_COPY_THRESH)) {
1498 struct sk_buff *new_skb;
1499
1500 new_skb = netdev_alloc_skb(bp->dev,
1501 len + pad);
1502 if (new_skb == NULL) {
1503 DP(NETIF_MSG_RX_ERR,
34f80b04 1504 "ERROR packet dropped "
a2fbb9ea 1505 "because of alloc failure\n");
66e855f3 1506 bp->eth_stats.rx_skb_alloc_failed++;
a2fbb9ea
ET		 1507 goto reuse_rx;
1508 }
1509
1510 /* aligned copy */
1511 skb_copy_from_linear_data_offset(skb, pad,
1512 new_skb->data + pad, len);
1513 skb_reserve(new_skb, pad);
1514 skb_put(new_skb, len);
1515
1516 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1517
1518 skb = new_skb;
1519
1520 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1521 pci_unmap_single(bp->pdev,
1522 pci_unmap_addr(rx_buf, mapping),
437cf2f1 1523 bp->rx_buf_size,
a2fbb9ea
ET		 1524 PCI_DMA_FROMDEVICE);
1525 skb_reserve(skb, pad);
1526 skb_put(skb, len);
1527
1528 } else {
1529 DP(NETIF_MSG_RX_ERR,
34f80b04 1530 "ERROR packet dropped because "
a2fbb9ea 1531 "of alloc failure\n");
66e855f3 1532 bp->eth_stats.rx_skb_alloc_failed++;
a2fbb9ea
ET		 1533reuse_rx:
1534 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1535 goto next_rx;
1536 }
1537
1538 skb->protocol = eth_type_trans(skb, bp->dev);
1539
1540 skb->ip_summed = CHECKSUM_NONE;
66e855f3 1541 if (bp->rx_csum) {
1adcd8be
EG		 1542 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1543 skb->ip_summed = CHECKSUM_UNNECESSARY;
66e855f3
YG		 1544 else
1545 bp->eth_stats.hw_csum_err++;
1546 }
a2fbb9ea
ET		 1547 }
1548
1549#ifdef BCM_VLAN
34f80b04
EG		 1550 if ((bp->vlgrp != NULL) &&
1551 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1552 PARSING_FLAGS_VLAN))
a2fbb9ea
ET		 1553 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1554 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1555 else
1556#endif
34f80b04 1557 netif_receive_skb(skb);
a2fbb9ea
ET		 1558
1559 bp->dev->last_rx = jiffies;
1560
1561next_rx:
1562 rx_buf->skb = NULL;
1563
1564 bd_cons = NEXT_RX_IDX(bd_cons);
1565 bd_prod = NEXT_RX_IDX(bd_prod);
34f80b04
EG		 1566 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1567 rx_pkt++;
a2fbb9ea
ET		 1568next_cqe:
1569 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1570 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
a2fbb9ea 1571
34f80b04 1572 if (rx_pkt == budget)
a2fbb9ea
ET		 1573 break;
1574 } /* while */
1575
1576 fp->rx_bd_cons = bd_cons;
34f80b04 1577 fp->rx_bd_prod = bd_prod_fw;
a2fbb9ea
ET		 1578 fp->rx_comp_cons = sw_comp_cons;
1579 fp->rx_comp_prod = sw_comp_prod;
1580
7a9b2557
VZ		 1581 /* Update producers */
1582 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1583 fp->rx_sge_prod);
a2fbb9ea
ET		 1584 mmiowb(); /* keep prod updates ordered */
1585
1586 fp->rx_pkt += rx_pkt;
1587 fp->rx_calls++;
1588
1589 return rx_pkt;
1590}
1591
1592static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1593{
1594 struct bnx2x_fastpath *fp = fp_cookie;
1595 struct bnx2x *bp = fp->bp;
1596 struct net_device *dev = bp->dev;
34f80b04 1597 int index = FP_IDX(fp);
a2fbb9ea 1598
da5a662a
VZ		 1599 /* Return here if interrupt is disabled */
1600 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1601 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1602 return IRQ_HANDLED;
1603 }
1604
34f80b04
EG		 1605 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1606 index, FP_SB_ID(fp));
1607 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
a2fbb9ea
ET		 1608
1609#ifdef BNX2X_STOP_ON_ERROR
1610 if (unlikely(bp->panic))
1611 return IRQ_HANDLED;
1612#endif
1613
1614 prefetch(fp->rx_cons_sb);
1615 prefetch(fp->tx_cons_sb);
1616 prefetch(&fp->status_blk->c_status_block.status_block_index);
1617 prefetch(&fp->status_blk->u_status_block.status_block_index);
1618
1619 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
34f80b04 1620
a2fbb9ea
ET		 1621 return IRQ_HANDLED;
1622}
1623
1624static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1625{
1626 struct net_device *dev = dev_instance;
1627 struct bnx2x *bp = netdev_priv(dev);
1628 u16 status = bnx2x_ack_int(bp);
34f80b04 1629 u16 mask;
a2fbb9ea 1630
34f80b04 1631 /* Return here if interrupt is shared and it's not for us */
a2fbb9ea
ET		 1632 if (unlikely(status == 0)) {
1633 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1634 return IRQ_NONE;
1635 }
34f80b04 1636 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
a2fbb9ea 1637
34f80b04 1638 /* Return here if interrupt is disabled */
a2fbb9ea
ET		 1639 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1640 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1641 return IRQ_HANDLED;
1642 }
1643
3196a88a
EG		 1644#ifdef BNX2X_STOP_ON_ERROR
1645 if (unlikely(bp->panic))
1646 return IRQ_HANDLED;
1647#endif
1648
34f80b04
EG		 1649 mask = 0x2 << bp->fp[0].sb_id;
1650 if (status & mask) {
a2fbb9ea
ET		 1651 struct bnx2x_fastpath *fp = &bp->fp[0];
1652
1653 prefetch(fp->rx_cons_sb);
1654 prefetch(fp->tx_cons_sb);
1655 prefetch(&fp->status_blk->c_status_block.status_block_index);
1656 prefetch(&fp->status_blk->u_status_block.status_block_index);
1657
1658 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1659
34f80b04 1660 status &= ~mask;
a2fbb9ea
ET		 1661 }
1662
a2fbb9ea 1663
34f80b04 1664 if (unlikely(status & 0x1)) {
a2fbb9ea
ET		 1665 schedule_work(&bp->sp_task);
1666
1667 status &= ~0x1;
1668 if (!status)
1669 return IRQ_HANDLED;
1670 }
1671
34f80b04
EG		 1672 if (status)
1673 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1674 status);
a2fbb9ea 1675
c18487ee 1676 return IRQ_HANDLED;
a2fbb9ea
ET		 1677}
1678
c18487ee 1679/* end of fast path */
a2fbb9ea 1680
bb2a0f7a 1681static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
a2fbb9ea 1682
c18487ee
YR		 1683/* Link */
1684
1685/*
1686 * General service functions
1687 */
a2fbb9ea 1688
4a37fb66 1689static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
c18487ee
YR		 1690{
1691 u32 lock_status;
1692 u32 resource_bit = (1 << resource);
4a37fb66
YG		 1693 int func = BP_FUNC(bp);
1694 u32 hw_lock_control_reg;
c18487ee 1695 int cnt;
a2fbb9ea 1696
c18487ee
YR		 1697 /* Validating that the resource is within range */
1698 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1699 DP(NETIF_MSG_HW,
1700 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1701 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1702 return -EINVAL;
1703 }
a2fbb9ea 1704
4a37fb66
YG		 1705 if (func <= 5) {
1706 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1707 } else {
1708 hw_lock_control_reg =
1709 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1710 }
1711
c18487ee 1712 /* Validating that the resource is not already taken */
4a37fb66 1713 lock_status = REG_RD(bp, hw_lock_control_reg);
c18487ee
YR		 1714 if (lock_status & resource_bit) {
1715 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1716 lock_status, resource_bit);
1717 return -EEXIST;
1718 }
a2fbb9ea 1719
46230476
EG		 1720 /* Try for 5 second every 5ms */
1721 for (cnt = 0; cnt < 1000; cnt++) {
c18487ee 1722 /* Try to acquire the lock */
4a37fb66
YG		 1723 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1724 lock_status = REG_RD(bp, hw_lock_control_reg);
c18487ee
YR		 1725 if (lock_status & resource_bit)
1726 return 0;
a2fbb9ea 1727
c18487ee 1728 msleep(5);
a2fbb9ea 1729 }
c18487ee
YR		 1730 DP(NETIF_MSG_HW, "Timeout\n");
1731 return -EAGAIN;
1732}
a2fbb9ea 1733
4a37fb66 1734static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
c18487ee
YR		 1735{
1736 u32 lock_status;
1737 u32 resource_bit = (1 << resource);
4a37fb66
YG		 1738 int func = BP_FUNC(bp);
1739 u32 hw_lock_control_reg;
a2fbb9ea 1740
c18487ee
YR		 1741 /* Validating that the resource is within range */
1742 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1743 DP(NETIF_MSG_HW,
1744 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1745 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1746 return -EINVAL;
1747 }
1748
4a37fb66
YG		 1749 if (func <= 5) {
1750 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1751 } else {
1752 hw_lock_control_reg =
1753 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1754 }
1755
c18487ee 1756 /* Validating that the resource is currently taken */
4a37fb66 1757 lock_status = REG_RD(bp, hw_lock_control_reg);
c18487ee
YR		 1758 if (!(lock_status & resource_bit)) {
1759 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1760 lock_status, resource_bit);
1761 return -EFAULT;
a2fbb9ea
ET		 1762 }
1763
4a37fb66 1764 REG_WR(bp, hw_lock_control_reg, resource_bit);
c18487ee
YR		 1765 return 0;
1766}
1767
1768/* HW Lock for shared dual port PHYs */
4a37fb66 1769static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
c18487ee
YR		 1770{
1771 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
a2fbb9ea 1772
34f80b04 1773 mutex_lock(&bp->port.phy_mutex);
a2fbb9ea 1774
c18487ee
YR		 1775 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1776 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
4a37fb66 1777 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
c18487ee 1778}
a2fbb9ea 1779
4a37fb66 1780static void bnx2x_release_phy_lock(struct bnx2x *bp)
c18487ee
YR		 1781{
1782 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
a2fbb9ea 1783
c18487ee
YR		 1784 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1785 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
4a37fb66 1786 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
a2fbb9ea 1787
34f80b04 1788 mutex_unlock(&bp->port.phy_mutex);
c18487ee 1789}
a2fbb9ea 1790
17de50b7 1791int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
c18487ee
YR		 1792{
1793 /* The GPIO should be swapped if swap register is set and active */
1794 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
17de50b7 1795 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
c18487ee
YR		 1796 int gpio_shift = gpio_num +
1797 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1798 u32 gpio_mask = (1 << gpio_shift);
1799 u32 gpio_reg;
a2fbb9ea 1800
c18487ee
YR		 1801 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1802 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1803 return -EINVAL;
1804 }
a2fbb9ea 1805
4a37fb66 1806 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
c18487ee
YR		 1807 /* read GPIO and mask except the float bits */
1808 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
a2fbb9ea 1809
c18487ee
YR		 1810 switch (mode) {
1811 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1812 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1813 gpio_num, gpio_shift);
1814 /* clear FLOAT and set CLR */
1815 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1816 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1817 break;
a2fbb9ea 1818
c18487ee
YR		 1819 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1820 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1821 gpio_num, gpio_shift);
1822 /* clear FLOAT and set SET */
1823 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1824 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1825 break;
a2fbb9ea 1826
17de50b7 1827 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
c18487ee
YR		 1828 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1829 gpio_num, gpio_shift);
1830 /* set FLOAT */
1831 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1832 break;
a2fbb9ea 1833
c18487ee
YR		 1834 default:
1835 break;
a2fbb9ea
ET		 1836 }
1837
c18487ee 1838 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
4a37fb66 1839 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
f1410647 1840
c18487ee 1841 return 0;
a2fbb9ea
ET		 1842}
1843
c18487ee 1844static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
a2fbb9ea 1845{
c18487ee
YR		 1846 u32 spio_mask = (1 << spio_num);
1847 u32 spio_reg;
a2fbb9ea 1848
c18487ee
YR		 1849 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1850 (spio_num > MISC_REGISTERS_SPIO_7)) {
1851 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1852 return -EINVAL;
a2fbb9ea
ET		 1853 }
1854
4a37fb66 1855 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
c18487ee
YR		 1856 /* read SPIO and mask except the float bits */
1857 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
a2fbb9ea 1858
c18487ee 1859 switch (mode) {
6378c025 1860 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
c18487ee
YR		 1861 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1862 /* clear FLOAT and set CLR */
1863 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1864 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1865 break;
a2fbb9ea 1866
6378c025 1867 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
c18487ee
YR		 1868 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1869 /* clear FLOAT and set SET */
1870 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1871 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1872 break;
a2fbb9ea 1873
c18487ee
YR		 1874 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1875 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1876 /* set FLOAT */
1877 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1878 break;
a2fbb9ea 1879
c18487ee
YR		 1880 default:
1881 break;
a2fbb9ea
ET		 1882 }
1883
c18487ee 1884 REG_WR(bp, MISC_REG_SPIO, spio_reg);
4a37fb66 1885 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
c18487ee 1886
a2fbb9ea
ET		 1887 return 0;
1888}
1889
c18487ee 1890static void bnx2x_calc_fc_adv(struct bnx2x *bp)
a2fbb9ea 1891{
c18487ee
YR		 1892 switch (bp->link_vars.ieee_fc) {
1893 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
34f80b04 1894 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
c18487ee
YR		 1895 ADVERTISED_Pause);
1896 break;
1897 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
34f80b04 1898 bp->port.advertising |= (ADVERTISED_Asym_Pause |
c18487ee
YR		 1899 ADVERTISED_Pause);
1900 break;
1901 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
34f80b04 1902 bp->port.advertising |= ADVERTISED_Asym_Pause;
c18487ee
YR		 1903 break;
1904 default:
34f80b04 1905 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
c18487ee
YR		 1906 ADVERTISED_Pause);
1907 break;
1908 }
1909}
f1410647 1910
c18487ee
YR		 1911static void bnx2x_link_report(struct bnx2x *bp)
1912{
1913 if (bp->link_vars.link_up) {
1914 if (bp->state == BNX2X_STATE_OPEN)
1915 netif_carrier_on(bp->dev);
1916 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
f1410647 1917
c18487ee 1918 printk("%d Mbps ", bp->link_vars.line_speed);
f1410647 1919
c18487ee
YR		 1920 if (bp->link_vars.duplex == DUPLEX_FULL)
1921 printk("full duplex");
1922 else
1923 printk("half duplex");
f1410647 1924
c18487ee
YR		 1925 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1926 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
1927 printk(", receive ");
1928 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
1929 printk("& transmit ");
1930 } else {
1931 printk(", transmit ");
1932 }
1933 printk("flow control ON");
1934 }
1935 printk("\n");
f1410647 1936
c18487ee
YR		 1937 } else { /* link_down */
1938 netif_carrier_off(bp->dev);
1939 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
f1410647 1940 }
c18487ee
YR		 1941}
1942
1943static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
1944{
19680c48
EG		 1945 if (!BP_NOMCP(bp)) {
1946 u8 rc;
a2fbb9ea 1947
19680c48 1948 /* Initialize link parameters structure variables */
8c99e7b0
YR		 1949 /* It is recommended to turn off RX FC for jumbo frames
1950 for better performance */
1951 if (IS_E1HMF(bp))
1952 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1953 else if (bp->dev->mtu > 5000)
1954 bp->link_params.req_fc_auto_adv = FLOW_CTRL_TX;
1955 else
1956 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
a2fbb9ea 1957
4a37fb66 1958 bnx2x_acquire_phy_lock(bp);
19680c48 1959 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
4a37fb66 1960 bnx2x_release_phy_lock(bp);
a2fbb9ea 1961
19680c48
EG		 1962 if (bp->link_vars.link_up)
1963 bnx2x_link_report(bp);
a2fbb9ea 1964
19680c48 1965 bnx2x_calc_fc_adv(bp);
34f80b04 1966
19680c48
EG		 1967 return rc;
1968 }
1969 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1970 return -EINVAL;
a2fbb9ea
ET		 1971}
1972
c18487ee 1973static void bnx2x_link_set(struct bnx2x *bp)
a2fbb9ea 1974{
19680c48 1975 if (!BP_NOMCP(bp)) {
4a37fb66 1976 bnx2x_acquire_phy_lock(bp);
19680c48 1977 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
4a37fb66 1978 bnx2x_release_phy_lock(bp);
a2fbb9ea 1979
19680c48
EG		 1980 bnx2x_calc_fc_adv(bp);
1981 } else
1982 BNX2X_ERR("Bootcode is missing -not setting link\n");
c18487ee 1983}
a2fbb9ea 1984
c18487ee
YR		 1985static void bnx2x__link_reset(struct bnx2x *bp)
1986{
19680c48 1987 if (!BP_NOMCP(bp)) {
4a37fb66 1988 bnx2x_acquire_phy_lock(bp);
19680c48 1989 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
4a37fb66 1990 bnx2x_release_phy_lock(bp);
19680c48
EG		 1991 } else
1992 BNX2X_ERR("Bootcode is missing -not resetting link\n");
c18487ee 1993}
a2fbb9ea 1994
c18487ee
YR		 1995static u8 bnx2x_link_test(struct bnx2x *bp)
1996{
1997 u8 rc;
a2fbb9ea 1998
4a37fb66 1999 bnx2x_acquire_phy_lock(bp);
c18487ee 2000 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
4a37fb66 2001 bnx2x_release_phy_lock(bp);
a2fbb9ea 2002
c18487ee
YR		 2003 return rc;
2004}
a2fbb9ea 2005
34f80b04
EG		 2006/* Calculates the sum of vn_min_rates.
2007 It's needed for further normalizing of the min_rates.
2008
2009 Returns:
2010 sum of vn_min_rates
2011 or
2012 0 - if all the min_rates are 0.
33471629 2013 In the later case fairness algorithm should be deactivated.
34f80b04
EG		 2014 If not all min_rates are zero then those that are zeroes will
2015 be set to 1.
2016 */
2017static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2018{
2019 int i, port = BP_PORT(bp);
2020 u32 wsum = 0;
2021 int all_zero = 1;
2022
2023 for (i = 0; i < E1HVN_MAX; i++) {
2024 u32 vn_cfg =
2025 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2026 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2027 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2028 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2029 /* If min rate is zero - set it to 1 */
2030 if (!vn_min_rate)
2031 vn_min_rate = DEF_MIN_RATE;
2032 else
2033 all_zero = 0;
2034
2035 wsum += vn_min_rate;
2036 }
2037 }
2038
2039 /* ... only if all min rates are zeros - disable FAIRNESS */
2040 if (all_zero)
2041 return 0;
2042
2043 return wsum;
2044}
2045
2046static void bnx2x_init_port_minmax(struct bnx2x *bp,
2047 int en_fness,
2048 u16 port_rate,
2049 struct cmng_struct_per_port *m_cmng_port)
2050{
2051 u32 r_param = port_rate / 8;
2052 int port = BP_PORT(bp);
2053 int i;
2054
2055 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2056
2057 /* Enable minmax only if we are in e1hmf mode */
2058 if (IS_E1HMF(bp)) {
2059 u32 fair_periodic_timeout_usec;
2060 u32 t_fair;
2061
2062 /* Enable rate shaping and fairness */
2063 m_cmng_port->flags.cmng_vn_enable = 1;
2064 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2065 m_cmng_port->flags.rate_shaping_enable = 1;
2066
2067 if (!en_fness)
2068 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2069 " fairness will be disabled\n");
2070
2071 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2072 m_cmng_port->rs_vars.rs_periodic_timeout =
2073 RS_PERIODIC_TIMEOUT_USEC / 4;
2074
2075 /* this is the threshold below which no timer arming will occur
2076 1.25 coefficient is for the threshold to be a little bigger
2077 than the real time, to compensate for timer in-accuracy */
2078 m_cmng_port->rs_vars.rs_threshold =
2079 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2080
2081 /* resolution of fairness timer */
2082 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2083 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2084 t_fair = T_FAIR_COEF / port_rate;
2085
2086 /* this is the threshold below which we won't arm
2087 the timer anymore */
2088 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2089
2090 /* we multiply by 1e3/8 to get bytes/msec.
2091 We don't want the credits to pass a credit
2092 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2093 m_cmng_port->fair_vars.upper_bound =
2094 r_param * t_fair * FAIR_MEM;
2095 /* since each tick is 4 usec */
2096 m_cmng_port->fair_vars.fairness_timeout =
2097 fair_periodic_timeout_usec / 4;
2098
2099 } else {
2100 /* Disable rate shaping and fairness */
2101 m_cmng_port->flags.cmng_vn_enable = 0;
2102 m_cmng_port->flags.fairness_enable = 0;
2103 m_cmng_port->flags.rate_shaping_enable = 0;
2104
2105 DP(NETIF_MSG_IFUP,
2106 "Single function mode minmax will be disabled\n");
2107 }
2108
2109 /* Store it to internal memory */
2110 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2111 REG_WR(bp, BAR_XSTRORM_INTMEM +
2112 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2113 ((u32 *)(m_cmng_port))[i]);
2114}
2115
2116static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2117 u32 wsum, u16 port_rate,
2118 struct cmng_struct_per_port *m_cmng_port)
2119{
2120 struct rate_shaping_vars_per_vn m_rs_vn;
2121 struct fairness_vars_per_vn m_fair_vn;
2122 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2123 u16 vn_min_rate, vn_max_rate;
2124 int i;
2125
2126 /* If function is hidden - set min and max to zeroes */
2127 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2128 vn_min_rate = 0;
2129 vn_max_rate = 0;
2130
2131 } else {
2132 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2133 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2134 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2135 if current min rate is zero - set it to 1.
33471629 2136 This is a requirement of the algorithm. */
34f80b04
EG		 2137 if ((vn_min_rate == 0) && wsum)
2138 vn_min_rate = DEF_MIN_RATE;
2139 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2140 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2141 }
2142
2143 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2144 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2145
2146 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2147 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2148
2149 /* global vn counter - maximal Mbps for this vn */
2150 m_rs_vn.vn_counter.rate = vn_max_rate;
2151
2152 /* quota - number of bytes transmitted in this period */
2153 m_rs_vn.vn_counter.quota =
2154 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2155
2156#ifdef BNX2X_PER_PROT_QOS
2157 /* per protocol counter */
2158 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2159 /* maximal Mbps for this protocol */
2160 m_rs_vn.protocol_counters[protocol].rate =
2161 protocol_max_rate[protocol];
2162 /* the quota in each timer period -
2163 number of bytes transmitted in this period */
2164 m_rs_vn.protocol_counters[protocol].quota =
2165 (u32)(rs_periodic_timeout_usec *
2166 ((double)m_rs_vn.
2167 protocol_counters[protocol].rate/8));
2168 }
2169#endif
2170
2171 if (wsum) {
2172 /* credit for each period of the fairness algorithm:
2173 number of bytes in T_FAIR (the vn share the port rate).
2174 wsum should not be larger than 10000, thus
2175 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2176 m_fair_vn.vn_credit_delta =
2177 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2178 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2179 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2180 m_fair_vn.vn_credit_delta);
2181 }
2182
2183#ifdef BNX2X_PER_PROT_QOS
2184 do {
2185 u32 protocolWeightSum = 0;
2186
2187 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2188 protocolWeightSum +=
2189 drvInit.protocol_min_rate[protocol];
2190 /* per protocol counter -
2191 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2192 if (protocolWeightSum > 0) {
2193 for (protocol = 0;
2194 protocol < NUM_OF_PROTOCOLS; protocol++)
2195 /* credit for each period of the
2196 fairness algorithm - number of bytes in
2197 T_FAIR (the protocol share the vn rate) */
2198 m_fair_vn.protocol_credit_delta[protocol] =
2199 (u32)((vn_min_rate / 8) * t_fair *
2200 protocol_min_rate / protocolWeightSum);
2201 }
2202 } while (0);
2203#endif
2204
2205 /* Store it to internal memory */
2206 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2207 REG_WR(bp, BAR_XSTRORM_INTMEM +
2208 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2209 ((u32 *)(&m_rs_vn))[i]);
2210
2211 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2212 REG_WR(bp, BAR_XSTRORM_INTMEM +
2213 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2214 ((u32 *)(&m_fair_vn))[i]);
2215}
2216
c18487ee
YR		 2217/* This function is called upon link interrupt */
2218static void bnx2x_link_attn(struct bnx2x *bp)
2219{
34f80b04
EG		 2220 int vn;
2221
bb2a0f7a
YG		 2222 /* Make sure that we are synced with the current statistics */
2223 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2224
4a37fb66 2225 bnx2x_acquire_phy_lock(bp);
c18487ee 2226 bnx2x_link_update(&bp->link_params, &bp->link_vars);
4a37fb66 2227 bnx2x_release_phy_lock(bp);
a2fbb9ea 2228
bb2a0f7a
YG		 2229 if (bp->link_vars.link_up) {
2230
2231 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2232 struct host_port_stats *pstats;
2233
2234 pstats = bnx2x_sp(bp, port_stats);
2235 /* reset old bmac stats */
2236 memset(&(pstats->mac_stx[0]), 0,
2237 sizeof(struct mac_stx));
2238 }
2239 if ((bp->state == BNX2X_STATE_OPEN) ||
2240 (bp->state == BNX2X_STATE_DISABLED))
2241 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2242 }
2243
c18487ee
YR		 2244 /* indicate link status */
2245 bnx2x_link_report(bp);
34f80b04
EG		 2246
2247 if (IS_E1HMF(bp)) {
2248 int func;
2249
2250 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2251 if (vn == BP_E1HVN(bp))
2252 continue;
2253
2254 func = ((vn << 1) | BP_PORT(bp));
2255
2256 /* Set the attention towards other drivers
2257 on the same port */
2258 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2259 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2260 }
2261 }
2262
2263 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2264 struct cmng_struct_per_port m_cmng_port;
2265 u32 wsum;
2266 int port = BP_PORT(bp);
2267
2268 /* Init RATE SHAPING and FAIRNESS contexts */
2269 wsum = bnx2x_calc_vn_wsum(bp);
2270 bnx2x_init_port_minmax(bp, (int)wsum,
2271 bp->link_vars.line_speed,
2272 &m_cmng_port);
2273 if (IS_E1HMF(bp))
2274 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2275 bnx2x_init_vn_minmax(bp, 2*vn + port,
2276 wsum, bp->link_vars.line_speed,
2277 &m_cmng_port);
2278 }
c18487ee 2279}
a2fbb9ea 2280
c18487ee
YR		 2281static void bnx2x__link_status_update(struct bnx2x *bp)
2282{
2283 if (bp->state != BNX2X_STATE_OPEN)
2284 return;
a2fbb9ea 2285
c18487ee 2286 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
a2fbb9ea 2287
bb2a0f7a
YG		 2288 if (bp->link_vars.link_up)
2289 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2290 else
2291 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2292
c18487ee
YR		 2293 /* indicate link status */
2294 bnx2x_link_report(bp);
a2fbb9ea 2295}
a2fbb9ea 2296
34f80b04
EG		 2297static void bnx2x_pmf_update(struct bnx2x *bp)
2298{
2299 int port = BP_PORT(bp);
2300 u32 val;
2301
2302 bp->port.pmf = 1;
2303 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2304
2305 /* enable nig attention */
2306 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2307 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2308 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
bb2a0f7a
YG		 2309
2310 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
34f80b04
EG		 2311}
2312
c18487ee 2313/* end of Link */
a2fbb9ea
ET		 2314
2315/* slow path */
2316
2317/*
2318 * General service functions
2319 */
2320
2321/* the slow path queue is odd since completions arrive on the fastpath ring */
2322static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2323 u32 data_hi, u32 data_lo, int common)
2324{
34f80b04 2325 int func = BP_FUNC(bp);
a2fbb9ea 2326
34f80b04
EG		 2327 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2328 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
a2fbb9ea
ET		 2329 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2330 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2331 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2332
2333#ifdef BNX2X_STOP_ON_ERROR
2334 if (unlikely(bp->panic))
2335 return -EIO;
2336#endif
2337
34f80b04 2338 spin_lock_bh(&bp->spq_lock);
a2fbb9ea
ET		 2339
2340 if (!bp->spq_left) {
2341 BNX2X_ERR("BUG! SPQ ring full!\n");
34f80b04 2342 spin_unlock_bh(&bp->spq_lock);
a2fbb9ea
ET		 2343 bnx2x_panic();
2344 return -EBUSY;
2345 }
f1410647 2346
a2fbb9ea
ET		 2347 /* CID needs port number to be encoded int it */
2348 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2349 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2350 HW_CID(bp, cid)));
2351 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2352 if (common)
2353 bp->spq_prod_bd->hdr.type |=
2354 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2355
2356 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2357 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2358
2359 bp->spq_left--;
2360
2361 if (bp->spq_prod_bd == bp->spq_last_bd) {
2362 bp->spq_prod_bd = bp->spq;
2363 bp->spq_prod_idx = 0;
2364 DP(NETIF_MSG_TIMER, "end of spq\n");
2365
2366 } else {
2367 bp->spq_prod_bd++;
2368 bp->spq_prod_idx++;
2369 }
2370
34f80b04 2371 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
a2fbb9ea
ET		 2372 bp->spq_prod_idx);
2373
34f80b04 2374 spin_unlock_bh(&bp->spq_lock);
a2fbb9ea
ET		 2375 return 0;
2376}
2377
2378/* acquire split MCP access lock register */
4a37fb66 2379static int bnx2x_acquire_alr(struct bnx2x *bp)
a2fbb9ea 2380{
a2fbb9ea 2381 u32 i, j, val;
34f80b04 2382 int rc = 0;
a2fbb9ea
ET		 2383
2384 might_sleep();
2385 i = 100;
2386 for (j = 0; j < i*10; j++) {
2387 val = (1UL << 31);
2388 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2389 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2390 if (val & (1L << 31))
2391 break;
2392
2393 msleep(5);
2394 }
a2fbb9ea 2395 if (!(val & (1L << 31))) {
19680c48 2396 BNX2X_ERR("Cannot acquire MCP access lock register\n");
a2fbb9ea
ET		 2397 rc = -EBUSY;
2398 }
2399
2400 return rc;
2401}
2402
4a37fb66
YG		 2403/* release split MCP access lock register */
2404static void bnx2x_release_alr(struct bnx2x *bp)
a2fbb9ea
ET		 2405{
2406 u32 val = 0;
2407
2408 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2409}
2410
2411static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2412{
2413 struct host_def_status_block *def_sb = bp->def_status_blk;
2414 u16 rc = 0;
2415
2416 barrier(); /* status block is written to by the chip */
a2fbb9ea
ET		 2417 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2418 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2419 rc |= 1;
2420 }
2421 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2422 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2423 rc |= 2;
2424 }
2425 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2426 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2427 rc |= 4;
2428 }
2429 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2430 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2431 rc |= 8;
2432 }
2433 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2434 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2435 rc |= 16;
2436 }
2437 return rc;
2438}
2439
2440/*
2441 * slow path service functions
2442 */
2443
2444static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2445{
34f80b04 2446 int port = BP_PORT(bp);
5c862848
EG		 2447 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2448 COMMAND_REG_ATTN_BITS_SET);
a2fbb9ea
ET		 2449 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2450 MISC_REG_AEU_MASK_ATTN_FUNC_0;
877e9aa4
ET		 2451 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2452 NIG_REG_MASK_INTERRUPT_PORT0;
3fcaf2e5 2453 u32 aeu_mask;
a2fbb9ea 2454
a2fbb9ea
ET		 2455 if (bp->attn_state & asserted)
2456 BNX2X_ERR("IGU ERROR\n");
2457
3fcaf2e5
EG		 2458 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2459 aeu_mask = REG_RD(bp, aeu_addr);
2460
a2fbb9ea 2461 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
3fcaf2e5
EG		 2462 aeu_mask, asserted);
2463 aeu_mask &= ~(asserted & 0xff);
2464 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
a2fbb9ea 2465
3fcaf2e5
EG		 2466 REG_WR(bp, aeu_addr, aeu_mask);
2467 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
a2fbb9ea 2468
3fcaf2e5 2469 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
a2fbb9ea 2470 bp->attn_state |= asserted;
3fcaf2e5 2471 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
a2fbb9ea
ET		 2472
2473 if (asserted & ATTN_HARD_WIRED_MASK) {
2474 if (asserted & ATTN_NIG_FOR_FUNC) {
a2fbb9ea 2475
877e9aa4
ET		 2476 /* save nig interrupt mask */
2477 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2478 REG_WR(bp, nig_int_mask_addr, 0);
a2fbb9ea 2479
c18487ee 2480 bnx2x_link_attn(bp);
a2fbb9ea
ET		 2481
2482 /* handle unicore attn? */
2483 }
2484 if (asserted & ATTN_SW_TIMER_4_FUNC)
2485 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2486
2487 if (asserted & GPIO_2_FUNC)
2488 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2489
2490 if (asserted & GPIO_3_FUNC)
2491 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2492
2493 if (asserted & GPIO_4_FUNC)
2494 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2495
2496 if (port == 0) {
2497 if (asserted & ATTN_GENERAL_ATTN_1) {
2498 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2499 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2500 }
2501 if (asserted & ATTN_GENERAL_ATTN_2) {
2502 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2503 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2504 }
2505 if (asserted & ATTN_GENERAL_ATTN_3) {
2506 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2507 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2508 }
2509 } else {
2510 if (asserted & ATTN_GENERAL_ATTN_4) {
2511 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2512 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2513 }
2514 if (asserted & ATTN_GENERAL_ATTN_5) {
2515 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2516 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2517 }
2518 if (asserted & ATTN_GENERAL_ATTN_6) {
2519 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2520 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2521 }
2522 }
2523
2524 } /* if hardwired */
2525
5c862848
EG		 2526 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2527 asserted, hc_addr);
2528 REG_WR(bp, hc_addr, asserted);
a2fbb9ea
ET		 2529
2530 /* now set back the mask */
2531 if (asserted & ATTN_NIG_FOR_FUNC)
877e9aa4 2532 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
a2fbb9ea
ET		 2533}
2534
877e9aa4 2535static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
a2fbb9ea 2536{
34f80b04 2537 int port = BP_PORT(bp);
877e9aa4
ET		 2538 int reg_offset;
2539 u32 val;
2540
34f80b04
EG		 2541 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2542 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
877e9aa4 2543
34f80b04 2544 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
877e9aa4
ET		 2545
2546 val = REG_RD(bp, reg_offset);
2547 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2548 REG_WR(bp, reg_offset, val);
2549
2550 BNX2X_ERR("SPIO5 hw attention\n");
2551
34f80b04 2552 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
7add905f 2553 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
877e9aa4
ET		 2554 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2555 /* Fan failure attention */
2556
17de50b7 2557 /* The PHY reset is controlled by GPIO 1 */
877e9aa4 2558 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
17de50b7
EG		 2559 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2560 /* Low power mode is controlled by GPIO 2 */
877e9aa4 2561 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
17de50b7 2562 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
877e9aa4 2563 /* mark the failure */
c18487ee 2564 bp->link_params.ext_phy_config &=
877e9aa4 2565 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
c18487ee 2566 bp->link_params.ext_phy_config |=
877e9aa4
ET		 2567 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2568 SHMEM_WR(bp,
2569 dev_info.port_hw_config[port].
2570 external_phy_config,
c18487ee 2571 bp->link_params.ext_phy_config);
877e9aa4
ET		 2572 /* log the failure */
2573 printk(KERN_ERR PFX "Fan Failure on Network"
2574 " Controller %s has caused the driver to"
2575 " shutdown the card to prevent permanent"
2576 " damage. Please contact Dell Support for"
2577 " assistance\n", bp->dev->name);
2578 break;
2579
2580 default:
2581 break;
2582 }
2583 }
34f80b04
EG		 2584
2585 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2586
2587 val = REG_RD(bp, reg_offset);
2588 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2589 REG_WR(bp, reg_offset, val);
2590
2591 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2592 (attn & HW_INTERRUT_ASSERT_SET_0));
2593 bnx2x_panic();
2594 }
877e9aa4
ET		 2595}
2596
2597static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2598{
2599 u32 val;
2600
2601 if (attn & BNX2X_DOORQ_ASSERT) {
2602
2603 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2604 BNX2X_ERR("DB hw attention 0x%x\n", val);
2605 /* DORQ discard attention */
2606 if (val & 0x2)
2607 BNX2X_ERR("FATAL error from DORQ\n");
2608 }
34f80b04
EG		 2609
2610 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2611
2612 int port = BP_PORT(bp);
2613 int reg_offset;
2614
2615 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2616 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2617
2618 val = REG_RD(bp, reg_offset);
2619 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2620 REG_WR(bp, reg_offset, val);
2621
2622 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2623 (attn & HW_INTERRUT_ASSERT_SET_1));
2624 bnx2x_panic();
2625 }
877e9aa4
ET		 2626}
2627
2628static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2629{
2630 u32 val;
2631
2632 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2633
2634 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2635 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2636 /* CFC error attention */
2637 if (val & 0x2)
2638 BNX2X_ERR("FATAL error from CFC\n");
2639 }
2640
2641 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2642
2643 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2644 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2645 /* RQ_USDMDP_FIFO_OVERFLOW */
2646 if (val & 0x18000)
2647 BNX2X_ERR("FATAL error from PXP\n");
2648 }
34f80b04
EG		 2649
2650 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2651
2652 int port = BP_PORT(bp);
2653 int reg_offset;
2654
2655 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2656 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2657
2658 val = REG_RD(bp, reg_offset);
2659 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2660 REG_WR(bp, reg_offset, val);
2661
2662 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2663 (attn & HW_INTERRUT_ASSERT_SET_2));
2664 bnx2x_panic();
2665 }
877e9aa4
ET		 2666}
2667
2668static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2669{
34f80b04
EG		 2670 u32 val;
2671
877e9aa4
ET		 2672 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2673
34f80b04
EG		 2674 if (attn & BNX2X_PMF_LINK_ASSERT) {
2675 int func = BP_FUNC(bp);
2676
2677 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2678 bnx2x__link_status_update(bp);
2679 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2680 DRV_STATUS_PMF)
2681 bnx2x_pmf_update(bp);
2682
2683 } else if (attn & BNX2X_MC_ASSERT_BITS) {
877e9aa4
ET		 2684
2685 BNX2X_ERR("MC assert!\n");
2686 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2687 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2688 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2689 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2690 bnx2x_panic();
2691
2692 } else if (attn & BNX2X_MCP_ASSERT) {
2693
2694 BNX2X_ERR("MCP assert!\n");
2695 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
34f80b04 2696 bnx2x_fw_dump(bp);
877e9aa4
ET		 2697
2698 } else
2699 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2700 }
2701
2702 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
34f80b04
EG		 2703 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2704 if (attn & BNX2X_GRC_TIMEOUT) {
2705 val = CHIP_IS_E1H(bp) ?
2706 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2707 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2708 }
2709 if (attn & BNX2X_GRC_RSV) {
2710 val = CHIP_IS_E1H(bp) ?
2711 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2712 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2713 }
877e9aa4 2714 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
877e9aa4
ET		 2715 }
2716}
2717
2718static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2719{
a2fbb9ea
ET		 2720 struct attn_route attn;
2721 struct attn_route group_mask;
34f80b04 2722 int port = BP_PORT(bp);
877e9aa4 2723 int index;
a2fbb9ea
ET		 2724 u32 reg_addr;
2725 u32 val;
3fcaf2e5 2726 u32 aeu_mask;
a2fbb9ea
ET		 2727
2728 /* need to take HW lock because MCP or other port might also
2729 try to handle this event */
4a37fb66 2730 bnx2x_acquire_alr(bp);
a2fbb9ea
ET		 2731
2732 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2733 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2734 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2735 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
34f80b04
EG		 2736 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2737 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
a2fbb9ea
ET		 2738
2739 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2740 if (deasserted & (1 << index)) {
2741 group_mask = bp->attn_group[index];
2742
34f80b04
EG		 2743 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2744 index, group_mask.sig[0], group_mask.sig[1],
2745 group_mask.sig[2], group_mask.sig[3]);
a2fbb9ea 2746
877e9aa4
ET		 2747 bnx2x_attn_int_deasserted3(bp,
2748 attn.sig[3] & group_mask.sig[3]);
2749 bnx2x_attn_int_deasserted1(bp,
2750 attn.sig[1] & group_mask.sig[1]);
2751 bnx2x_attn_int_deasserted2(bp,
2752 attn.sig[2] & group_mask.sig[2]);
2753 bnx2x_attn_int_deasserted0(bp,
2754 attn.sig[0] & group_mask.sig[0]);
a2fbb9ea 2755
a2fbb9ea
ET		 2756 if ((attn.sig[0] & group_mask.sig[0] &
2757 HW_PRTY_ASSERT_SET_0) ||
2758 (attn.sig[1] & group_mask.sig[1] &
2759 HW_PRTY_ASSERT_SET_1) ||
2760 (attn.sig[2] & group_mask.sig[2] &
2761 HW_PRTY_ASSERT_SET_2))
6378c025 2762 BNX2X_ERR("FATAL HW block parity attention\n");
a2fbb9ea
ET		 2763 }
2764 }
2765
4a37fb66 2766 bnx2x_release_alr(bp);
a2fbb9ea 2767
5c862848 2768 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
a2fbb9ea
ET		 2769
2770 val = ~deasserted;
3fcaf2e5
EG		 2771 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2772 val, reg_addr);
5c862848 2773 REG_WR(bp, reg_addr, val);
a2fbb9ea 2774
a2fbb9ea 2775 if (~bp->attn_state & deasserted)
3fcaf2e5 2776 BNX2X_ERR("IGU ERROR\n");
a2fbb9ea
ET		 2777
2778 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2779 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2780
3fcaf2e5
EG		 2781 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2782 aeu_mask = REG_RD(bp, reg_addr);
2783
2784 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2785 aeu_mask, deasserted);
2786 aeu_mask |= (deasserted & 0xff);
2787 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
a2fbb9ea 2788
3fcaf2e5
EG		 2789 REG_WR(bp, reg_addr, aeu_mask);
2790 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
a2fbb9ea
ET		 2791
2792 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2793 bp->attn_state &= ~deasserted;
2794 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2795}
2796
2797static void bnx2x_attn_int(struct bnx2x *bp)
2798{
2799 /* read local copy of bits */
2800 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2801 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2802 u32 attn_state = bp->attn_state;
2803
2804 /* look for changed bits */
2805 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2806 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2807
2808 DP(NETIF_MSG_HW,
2809 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2810 attn_bits, attn_ack, asserted, deasserted);
2811
2812 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
34f80b04 2813 BNX2X_ERR("BAD attention state\n");
a2fbb9ea
ET		 2814
2815 /* handle bits that were raised */
2816 if (asserted)
2817 bnx2x_attn_int_asserted(bp, asserted);
2818
2819 if (deasserted)
2820 bnx2x_attn_int_deasserted(bp, deasserted);
2821}
2822
2823static void bnx2x_sp_task(struct work_struct *work)
2824{
2825 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2826 u16 status;
2827
34f80b04 2828
a2fbb9ea
ET		 2829 /* Return here if interrupt is disabled */
2830 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3196a88a 2831 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
a2fbb9ea
ET		 2832 return;
2833 }
2834
2835 status = bnx2x_update_dsb_idx(bp);
34f80b04
EG		 2836/* if (status == 0) */
2837/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
a2fbb9ea 2838
3196a88a 2839 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
a2fbb9ea 2840
877e9aa4
ET		 2841 /* HW attentions */
2842 if (status & 0x1)
a2fbb9ea 2843 bnx2x_attn_int(bp);
a2fbb9ea 2844
bb2a0f7a
YG		 2845 /* CStorm events: query_stats, port delete ramrod */
2846 if (status & 0x2)
2847 bp->stats_pending = 0;
2848
a2fbb9ea
ET		 2849 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2850 IGU_INT_NOP, 1);
2851 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2852 IGU_INT_NOP, 1);
2853 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2854 IGU_INT_NOP, 1);
2855 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2856 IGU_INT_NOP, 1);
2857 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2858 IGU_INT_ENABLE, 1);
877e9aa4 2859
a2fbb9ea
ET		 2860}
2861
2862static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2863{
2864 struct net_device *dev = dev_instance;
2865 struct bnx2x *bp = netdev_priv(dev);
2866
2867 /* Return here if interrupt is disabled */
2868 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3196a88a 2869 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
a2fbb9ea
ET		 2870 return IRQ_HANDLED;
2871 }
2872
877e9aa4 2873 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
a2fbb9ea
ET		 2874
2875#ifdef BNX2X_STOP_ON_ERROR
2876 if (unlikely(bp->panic))
2877 return IRQ_HANDLED;
2878#endif
2879
2880 schedule_work(&bp->sp_task);
2881
2882 return IRQ_HANDLED;
2883}
2884
2885/* end of slow path */
2886
2887/* Statistics */
2888
2889/****************************************************************************
2890* Macros
2891****************************************************************************/
2892
a2fbb9ea
ET		 2893/* sum[hi:lo] += add[hi:lo] */
2894#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2895 do { \
2896 s_lo += a_lo; \
2897 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2898 } while (0)
2899
2900/* difference = minuend - subtrahend */
2901#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2902 do { \
bb2a0f7a
YG		 2903 if (m_lo < s_lo) { \
2904 /* underflow */ \
a2fbb9ea 2905 d_hi = m_hi - s_hi; \
bb2a0f7a 2906 if (d_hi > 0) { \
6378c025 2907 /* we can 'loan' 1 */ \
a2fbb9ea
ET		 2908 d_hi--; \
2909 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
bb2a0f7a 2910 } else { \
6378c025 2911 /* m_hi <= s_hi */ \
a2fbb9ea
ET		 2912 d_hi = 0; \
2913 d_lo = 0; \
2914 } \
bb2a0f7a
YG		 2915 } else { \
2916 /* m_lo >= s_lo */ \
a2fbb9ea 2917 if (m_hi < s_hi) { \
bb2a0f7a
YG		 2918 d_hi = 0; \
2919 d_lo = 0; \
2920 } else { \
6378c025 2921 /* m_hi >= s_hi */ \
bb2a0f7a
YG		 2922 d_hi = m_hi - s_hi; \
2923 d_lo = m_lo - s_lo; \
a2fbb9ea
ET		 2924 } \
2925 } \
2926 } while (0)
2927
bb2a0f7a 2928#define UPDATE_STAT64(s, t) \
a2fbb9ea 2929 do { \
bb2a0f7a
YG		 2930 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2931 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2932 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2933 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2934 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2935 pstats->mac_stx[1].t##_lo, diff.lo); \
a2fbb9ea
ET		 2936 } while (0)
2937
bb2a0f7a 2938#define UPDATE_STAT64_NIG(s, t) \
a2fbb9ea 2939 do { \
bb2a0f7a
YG		 2940 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2941 diff.lo, new->s##_lo, old->s##_lo); \
2942 ADD_64(estats->t##_hi, diff.hi, \
2943 estats->t##_lo, diff.lo); \
a2fbb9ea
ET		 2944 } while (0)
2945
2946/* sum[hi:lo] += add */
2947#define ADD_EXTEND_64(s_hi, s_lo, a) \
2948 do { \
2949 s_lo += a; \
2950 s_hi += (s_lo < a) ? 1 : 0; \
2951 } while (0)
2952
bb2a0f7a 2953#define UPDATE_EXTEND_STAT(s) \
a2fbb9ea 2954 do { \
bb2a0f7a
YG		 2955 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2956 pstats->mac_stx[1].s##_lo, \
2957 new->s); \
a2fbb9ea
ET		 2958 } while (0)
2959
bb2a0f7a 2960#define UPDATE_EXTEND_TSTAT(s, t) \
a2fbb9ea
ET		 2961 do { \
2962 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2963 old_tclient->s = le32_to_cpu(tclient->s); \
bb2a0f7a
YG		 2964 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2965 } while (0)
2966
2967#define UPDATE_EXTEND_XSTAT(s, t) \
2968 do { \
2969 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2970 old_xclient->s = le32_to_cpu(xclient->s); \
2971 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
a2fbb9ea
ET		 2972 } while (0)
2973
2974/*
2975 * General service functions
2976 */
2977
2978static inline long bnx2x_hilo(u32 *hiref)
2979{
2980 u32 lo = *(hiref + 1);
2981#if (BITS_PER_LONG == 64)
2982 u32 hi = *hiref;
2983
2984 return HILO_U64(hi, lo);
2985#else
2986 return lo;
2987#endif
2988}
2989
2990/*
2991 * Init service functions
2992 */
2993
bb2a0f7a
YG		 2994static void bnx2x_storm_stats_post(struct bnx2x *bp)
2995{
2996 if (!bp->stats_pending) {
2997 struct eth_query_ramrod_data ramrod_data = {0};
2998 int rc;
2999
3000 ramrod_data.drv_counter = bp->stats_counter++;
3001 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3002 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3003
3004 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3005 ((u32 *)&ramrod_data)[1],
3006 ((u32 *)&ramrod_data)[0], 0);
3007 if (rc == 0) {
3008 /* stats ramrod has it's own slot on the spq */
3009 bp->spq_left++;
3010 bp->stats_pending = 1;
3011 }
3012 }
3013}
3014
3015static void bnx2x_stats_init(struct bnx2x *bp)
3016{
3017 int port = BP_PORT(bp);
3018
3019 bp->executer_idx = 0;
3020 bp->stats_counter = 0;
3021
3022 /* port stats */
3023 if (!BP_NOMCP(bp))
3024 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3025 else
3026 bp->port.port_stx = 0;
3027 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3028
3029 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3030 bp->port.old_nig_stats.brb_discard =
3031 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
66e855f3
YG		 3032 bp->port.old_nig_stats.brb_truncate =
3033 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
bb2a0f7a
YG		 3034 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3035 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3036 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3037 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3038
3039 /* function stats */
3040 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3041 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3042 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3043 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3044
3045 bp->stats_state = STATS_STATE_DISABLED;
3046 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3047 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3048}
3049
3050static void bnx2x_hw_stats_post(struct bnx2x *bp)
3051{
3052 struct dmae_command *dmae = &bp->stats_dmae;
3053 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3054
3055 *stats_comp = DMAE_COMP_VAL;
3056
3057 /* loader */
3058 if (bp->executer_idx) {
3059 int loader_idx = PMF_DMAE_C(bp);
3060
3061 memset(dmae, 0, sizeof(struct dmae_command));
3062
3063 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3064 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3065 DMAE_CMD_DST_RESET |
3066#ifdef __BIG_ENDIAN
3067 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3068#else
3069 DMAE_CMD_ENDIANITY_DW_SWAP |
3070#endif
3071 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3072 DMAE_CMD_PORT_0) |
3073 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3074 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3075 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3076 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3077 sizeof(struct dmae_command) *
3078 (loader_idx + 1)) >> 2;
3079 dmae->dst_addr_hi = 0;
3080 dmae->len = sizeof(struct dmae_command) >> 2;
3081 if (CHIP_IS_E1(bp))
3082 dmae->len--;
3083 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3084 dmae->comp_addr_hi = 0;
3085 dmae->comp_val = 1;
3086
3087 *stats_comp = 0;
3088 bnx2x_post_dmae(bp, dmae, loader_idx);
3089
3090 } else if (bp->func_stx) {
3091 *stats_comp = 0;
3092 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3093 }
3094}
3095
3096static int bnx2x_stats_comp(struct bnx2x *bp)
3097{
3098 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3099 int cnt = 10;
3100
3101 might_sleep();
3102 while (*stats_comp != DMAE_COMP_VAL) {
bb2a0f7a
YG		 3103 if (!cnt) {
3104 BNX2X_ERR("timeout waiting for stats finished\n");
3105 break;
3106 }
3107 cnt--;
12469401 3108 msleep(1);
bb2a0f7a
YG		 3109 }
3110 return 1;
3111}
3112
3113/*
3114 * Statistics service functions
3115 */
3116
3117static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3118{
3119 struct dmae_command *dmae;
3120 u32 opcode;
3121 int loader_idx = PMF_DMAE_C(bp);
3122 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3123
3124 /* sanity */
3125 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3126 BNX2X_ERR("BUG!\n");
3127 return;
3128 }
3129
3130 bp->executer_idx = 0;
3131
3132 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3133 DMAE_CMD_C_ENABLE |
3134 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3135#ifdef __BIG_ENDIAN
3136 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3137#else
3138 DMAE_CMD_ENDIANITY_DW_SWAP |
3139#endif
3140 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3141 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3142
3143 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3144 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3145 dmae->src_addr_lo = bp->port.port_stx >> 2;
3146 dmae->src_addr_hi = 0;
3147 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3148 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3149 dmae->len = DMAE_LEN32_RD_MAX;
3150 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3151 dmae->comp_addr_hi = 0;
3152 dmae->comp_val = 1;
3153
3154 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3155 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3156 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3157 dmae->src_addr_hi = 0;
7a9b2557
VZ		 3158 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3159 DMAE_LEN32_RD_MAX * 4);
3160 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3161 DMAE_LEN32_RD_MAX * 4);
bb2a0f7a
YG		 3162 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3163 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3164 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3165 dmae->comp_val = DMAE_COMP_VAL;
3166
3167 *stats_comp = 0;
3168 bnx2x_hw_stats_post(bp);
3169 bnx2x_stats_comp(bp);
3170}
3171
3172static void bnx2x_port_stats_init(struct bnx2x *bp)
a2fbb9ea
ET		 3173{
3174 struct dmae_command *dmae;
34f80b04 3175 int port = BP_PORT(bp);
bb2a0f7a 3176 int vn = BP_E1HVN(bp);
a2fbb9ea 3177 u32 opcode;
bb2a0f7a 3178 int loader_idx = PMF_DMAE_C(bp);
a2fbb9ea 3179 u32 mac_addr;
bb2a0f7a
YG		 3180 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3181
3182 /* sanity */
3183 if (!bp->link_vars.link_up || !bp->port.pmf) {
3184 BNX2X_ERR("BUG!\n");
3185 return;
3186 }
a2fbb9ea
ET		 3187
3188 bp->executer_idx = 0;
bb2a0f7a
YG		 3189
3190 /* MCP */
3191 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3192 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3193 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
a2fbb9ea 3194#ifdef __BIG_ENDIAN
bb2a0f7a 3195 DMAE_CMD_ENDIANITY_B_DW_SWAP |
a2fbb9ea 3196#else
bb2a0f7a 3197 DMAE_CMD_ENDIANITY_DW_SWAP |
a2fbb9ea 3198#endif
bb2a0f7a
YG		 3199 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3200 (vn << DMAE_CMD_E1HVN_SHIFT));
a2fbb9ea 3201
bb2a0f7a 3202 if (bp->port.port_stx) {
a2fbb9ea
ET		 3203
3204 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3205 dmae->opcode = opcode;
bb2a0f7a
YG		 3206 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3207 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3208 dmae->dst_addr_lo = bp->port.port_stx >> 2;
a2fbb9ea 3209 dmae->dst_addr_hi = 0;
bb2a0f7a
YG		 3210 dmae->len = sizeof(struct host_port_stats) >> 2;
3211 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3212 dmae->comp_addr_hi = 0;
3213 dmae->comp_val = 1;
a2fbb9ea
ET		 3214 }
3215
bb2a0f7a
YG		 3216 if (bp->func_stx) {
3217
3218 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3219 dmae->opcode = opcode;
3220 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3221 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3222 dmae->dst_addr_lo = bp->func_stx >> 2;
3223 dmae->dst_addr_hi = 0;
3224 dmae->len = sizeof(struct host_func_stats) >> 2;
3225 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3226 dmae->comp_addr_hi = 0;
3227 dmae->comp_val = 1;
a2fbb9ea
ET		 3228 }
3229
bb2a0f7a 3230 /* MAC */
a2fbb9ea
ET		 3231 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3232 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3233 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3234#ifdef __BIG_ENDIAN
3235 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3236#else
3237 DMAE_CMD_ENDIANITY_DW_SWAP |
3238#endif
bb2a0f7a
YG		 3239 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3240 (vn << DMAE_CMD_E1HVN_SHIFT));
a2fbb9ea 3241
c18487ee 3242 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
a2fbb9ea
ET		 3243
3244 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3245 NIG_REG_INGRESS_BMAC0_MEM);
3246
3247 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3248 BIGMAC_REGISTER_TX_STAT_GTBYT */
3249 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3250 dmae->opcode = opcode;
3251 dmae->src_addr_lo = (mac_addr +
3252 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3253 dmae->src_addr_hi = 0;
3254 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3255 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3256 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3257 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3258 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3259 dmae->comp_addr_hi = 0;
3260 dmae->comp_val = 1;
3261
3262 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3263 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3264 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3265 dmae->opcode = opcode;
3266 dmae->src_addr_lo = (mac_addr +
3267 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3268 dmae->src_addr_hi = 0;
3269 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3270 offsetof(struct bmac_stats, rx_stat_gr64_lo));
a2fbb9ea 3271 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3272 offsetof(struct bmac_stats, rx_stat_gr64_lo));
a2fbb9ea
ET		 3273 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3274 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3275 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3276 dmae->comp_addr_hi = 0;
3277 dmae->comp_val = 1;
3278
c18487ee 3279 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
a2fbb9ea
ET		 3280
3281 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3282
3283 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3284 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3285 dmae->opcode = opcode;
3286 dmae->src_addr_lo = (mac_addr +
3287 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3288 dmae->src_addr_hi = 0;
3289 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3290 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3291 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3292 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3293 dmae->comp_addr_hi = 0;
3294 dmae->comp_val = 1;
3295
3296 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3297 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3298 dmae->opcode = opcode;
3299 dmae->src_addr_lo = (mac_addr +
3300 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3301 dmae->src_addr_hi = 0;
3302 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3303 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
a2fbb9ea 3304 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3305 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
a2fbb9ea
ET		 3306 dmae->len = 1;
3307 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3308 dmae->comp_addr_hi = 0;
3309 dmae->comp_val = 1;
3310
3311 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3312 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3313 dmae->opcode = opcode;
3314 dmae->src_addr_lo = (mac_addr +
3315 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3316 dmae->src_addr_hi = 0;
3317 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3318 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
a2fbb9ea 3319 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3320 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
a2fbb9ea
ET		 3321 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3322 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3323 dmae->comp_addr_hi = 0;
3324 dmae->comp_val = 1;
3325 }
3326
3327 /* NIG */
bb2a0f7a
YG		 3328 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3329 dmae->opcode = opcode;
3330 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3331 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3332 dmae->src_addr_hi = 0;
3333 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3334 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3335 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3336 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3337 dmae->comp_addr_hi = 0;
3338 dmae->comp_val = 1;
3339
3340 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3341 dmae->opcode = opcode;
3342 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3343 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3344 dmae->src_addr_hi = 0;
3345 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3346 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3347 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3348 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3349 dmae->len = (2*sizeof(u32)) >> 2;
3350 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3351 dmae->comp_addr_hi = 0;
3352 dmae->comp_val = 1;
3353
a2fbb9ea
ET		 3354 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3355 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3356 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3357 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3358#ifdef __BIG_ENDIAN
3359 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3360#else
3361 DMAE_CMD_ENDIANITY_DW_SWAP |
3362#endif
bb2a0f7a
YG		 3363 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3364 (vn << DMAE_CMD_E1HVN_SHIFT));
3365 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3366 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
a2fbb9ea 3367 dmae->src_addr_hi = 0;
bb2a0f7a
YG		 3368 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3369 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3370 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3371 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3372 dmae->len = (2*sizeof(u32)) >> 2;
3373 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3374 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3375 dmae->comp_val = DMAE_COMP_VAL;
3376
3377 *stats_comp = 0;
a2fbb9ea
ET		 3378}
3379
bb2a0f7a 3380static void bnx2x_func_stats_init(struct bnx2x *bp)
a2fbb9ea 3381{
bb2a0f7a
YG		 3382 struct dmae_command *dmae = &bp->stats_dmae;
3383 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
a2fbb9ea 3384
bb2a0f7a
YG		 3385 /* sanity */
3386 if (!bp->func_stx) {
3387 BNX2X_ERR("BUG!\n");
3388 return;
3389 }
a2fbb9ea 3390
bb2a0f7a
YG		 3391 bp->executer_idx = 0;
3392 memset(dmae, 0, sizeof(struct dmae_command));
a2fbb9ea 3393
bb2a0f7a
YG		 3394 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3395 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3396 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3397#ifdef __BIG_ENDIAN
3398 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3399#else
3400 DMAE_CMD_ENDIANITY_DW_SWAP |
3401#endif
3402 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3403 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3404 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3405 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3406 dmae->dst_addr_lo = bp->func_stx >> 2;
3407 dmae->dst_addr_hi = 0;
3408 dmae->len = sizeof(struct host_func_stats) >> 2;
3409 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3410 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3411 dmae->comp_val = DMAE_COMP_VAL;
a2fbb9ea 3412
bb2a0f7a
YG		 3413 *stats_comp = 0;
3414}
a2fbb9ea 3415
bb2a0f7a
YG		 3416static void bnx2x_stats_start(struct bnx2x *bp)
3417{
3418 if (bp->port.pmf)
3419 bnx2x_port_stats_init(bp);
3420
3421 else if (bp->func_stx)
3422 bnx2x_func_stats_init(bp);
3423
3424 bnx2x_hw_stats_post(bp);
3425 bnx2x_storm_stats_post(bp);
3426}
3427
3428static void bnx2x_stats_pmf_start(struct bnx2x *bp)
3429{
3430 bnx2x_stats_comp(bp);
3431 bnx2x_stats_pmf_update(bp);
3432 bnx2x_stats_start(bp);
3433}
3434
3435static void bnx2x_stats_restart(struct bnx2x *bp)
3436{
3437 bnx2x_stats_comp(bp);
3438 bnx2x_stats_start(bp);
3439}
3440
3441static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3442{
3443 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3444 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3445 struct regpair diff;
3446
3447 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3448 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3449 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3450 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3451 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3452 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
66e855f3 3453 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
bb2a0f7a
YG		 3454 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3455 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3456 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3457 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3458 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3459 UPDATE_STAT64(tx_stat_gt127,
3460 tx_stat_etherstatspkts65octetsto127octets);
3461 UPDATE_STAT64(tx_stat_gt255,
3462 tx_stat_etherstatspkts128octetsto255octets);
3463 UPDATE_STAT64(tx_stat_gt511,
3464 tx_stat_etherstatspkts256octetsto511octets);
3465 UPDATE_STAT64(tx_stat_gt1023,
3466 tx_stat_etherstatspkts512octetsto1023octets);
3467 UPDATE_STAT64(tx_stat_gt1518,
3468 tx_stat_etherstatspkts1024octetsto1522octets);
3469 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3470 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3471 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3472 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3473 UPDATE_STAT64(tx_stat_gterr,
3474 tx_stat_dot3statsinternalmactransmiterrors);
3475 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3476}
3477
3478static void bnx2x_emac_stats_update(struct bnx2x *bp)
3479{
3480 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3481 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3482
3483 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3484 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3485 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3486 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3487 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3488 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3489 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3490 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3491 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3492 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3493 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3494 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3495 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3496 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3497 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3498 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3499 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3500 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3501 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3502 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3503 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3504 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3505 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3506 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3507 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3508 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3509 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3510 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3511 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3512 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3513 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3514}
3515
3516static int bnx2x_hw_stats_update(struct bnx2x *bp)
3517{
3518 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3519 struct nig_stats *old = &(bp->port.old_nig_stats);
3520 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3521 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3522 struct regpair diff;
3523
3524 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3525 bnx2x_bmac_stats_update(bp);
3526
3527 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3528 bnx2x_emac_stats_update(bp);
3529
3530 else { /* unreached */
3531 BNX2X_ERR("stats updated by dmae but no MAC active\n");
3532 return -1;
3533 }
a2fbb9ea 3534
bb2a0f7a
YG		 3535 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3536 new->brb_discard - old->brb_discard);
66e855f3
YG		 3537 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3538 new->brb_truncate - old->brb_truncate);
a2fbb9ea 3539
bb2a0f7a
YG		 3540 UPDATE_STAT64_NIG(egress_mac_pkt0,
3541 etherstatspkts1024octetsto1522octets);
3542 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
a2fbb9ea 3543
bb2a0f7a 3544 memcpy(old, new, sizeof(struct nig_stats));
a2fbb9ea 3545
bb2a0f7a
YG		 3546 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3547 sizeof(struct mac_stx));
3548 estats->brb_drop_hi = pstats->brb_drop_hi;
3549 estats->brb_drop_lo = pstats->brb_drop_lo;
a2fbb9ea 3550
bb2a0f7a 3551 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
a2fbb9ea 3552
bb2a0f7a 3553 return 0;
a2fbb9ea
ET		 3554}
3555
bb2a0f7a 3556static int bnx2x_storm_stats_update(struct bnx2x *bp)
a2fbb9ea
ET		 3557{
3558 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
bb2a0f7a
YG		 3559 int cl_id = BP_CL_ID(bp);
3560 struct tstorm_per_port_stats *tport =
3561 &stats->tstorm_common.port_statistics;
a2fbb9ea 3562 struct tstorm_per_client_stats *tclient =
bb2a0f7a 3563 &stats->tstorm_common.client_statistics[cl_id];
a2fbb9ea 3564 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
bb2a0f7a
YG		 3565 struct xstorm_per_client_stats *xclient =
3566 &stats->xstorm_common.client_statistics[cl_id];
3567 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3568 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3569 struct bnx2x_eth_stats *estats = &bp->eth_stats;
a2fbb9ea
ET		 3570 u32 diff;
3571
bb2a0f7a
YG		 3572 /* are storm stats valid? */
3573 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3574 bp->stats_counter) {
3575 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3576 " tstorm counter (%d) != stats_counter (%d)\n",
3577 tclient->stats_counter, bp->stats_counter);
a2fbb9ea
ET		 3578 return -1;
3579 }
bb2a0f7a
YG		 3580 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3581 bp->stats_counter) {
3582 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3583 " xstorm counter (%d) != stats_counter (%d)\n",
3584 xclient->stats_counter, bp->stats_counter);
a2fbb9ea
ET		 3585 return -2;
3586 }
a2fbb9ea 3587
bb2a0f7a
YG		 3588 fstats->total_bytes_received_hi =
3589 fstats->valid_bytes_received_hi =
a2fbb9ea 3590 le32_to_cpu(tclient->total_rcv_bytes.hi);
bb2a0f7a
YG		 3591 fstats->total_bytes_received_lo =
3592 fstats->valid_bytes_received_lo =
a2fbb9ea 3593 le32_to_cpu(tclient->total_rcv_bytes.lo);
bb2a0f7a
YG		 3594
3595 estats->error_bytes_received_hi =
3596 le32_to_cpu(tclient->rcv_error_bytes.hi);
3597 estats->error_bytes_received_lo =
3598 le32_to_cpu(tclient->rcv_error_bytes.lo);
3599 ADD_64(estats->error_bytes_received_hi,
3600 estats->rx_stat_ifhcinbadoctets_hi,
3601 estats->error_bytes_received_lo,
3602 estats->rx_stat_ifhcinbadoctets_lo);
3603
3604 ADD_64(fstats->total_bytes_received_hi,
3605 estats->error_bytes_received_hi,
3606 fstats->total_bytes_received_lo,
3607 estats->error_bytes_received_lo);
3608
3609 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
a2fbb9ea 3610 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
bb2a0f7a 3611 total_multicast_packets_received);
a2fbb9ea 3612 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
bb2a0f7a
YG		 3613 total_broadcast_packets_received);
3614
3615 fstats->total_bytes_transmitted_hi =
3616 le32_to_cpu(xclient->total_sent_bytes.hi);
3617 fstats->total_bytes_transmitted_lo =
3618 le32_to_cpu(xclient->total_sent_bytes.lo);
3619
3620 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3621 total_unicast_packets_transmitted);
3622 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3623 total_multicast_packets_transmitted);
3624 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3625 total_broadcast_packets_transmitted);
3626
3627 memcpy(estats, &(fstats->total_bytes_received_hi),
3628 sizeof(struct host_func_stats) - 2*sizeof(u32));
3629
3630 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3631 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3632 estats->brb_truncate_discard =
3633 le32_to_cpu(tport->brb_truncate_discard);
3634 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3635
3636 old_tclient->rcv_unicast_bytes.hi =
a2fbb9ea 3637 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
bb2a0f7a 3638 old_tclient->rcv_unicast_bytes.lo =
a2fbb9ea 3639 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
bb2a0f7a 3640 old_tclient->rcv_broadcast_bytes.hi =
a2fbb9ea 3641 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
bb2a0f7a 3642 old_tclient->rcv_broadcast_bytes.lo =
a2fbb9ea 3643 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
bb2a0f7a 3644 old_tclient->rcv_multicast_bytes.hi =
a2fbb9ea 3645 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
bb2a0f7a 3646 old_tclient->rcv_multicast_bytes.lo =
a2fbb9ea 3647 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
bb2a0f7a 3648 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
a2fbb9ea 3649
bb2a0f7a
YG		 3650 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3651 old_tclient->packets_too_big_discard =
a2fbb9ea 3652 le32_to_cpu(tclient->packets_too_big_discard);
bb2a0f7a
YG		 3653 estats->no_buff_discard =
3654 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3655 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3656
3657 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3658 old_xclient->unicast_bytes_sent.hi =
3659 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3660 old_xclient->unicast_bytes_sent.lo =
3661 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3662 old_xclient->multicast_bytes_sent.hi =
3663 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3664 old_xclient->multicast_bytes_sent.lo =
3665 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3666 old_xclient->broadcast_bytes_sent.hi =
3667 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3668 old_xclient->broadcast_bytes_sent.lo =
3669 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3670
3671 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
a2fbb9ea
ET		 3672
3673 return 0;
3674}
3675
bb2a0f7a 3676static void bnx2x_net_stats_update(struct bnx2x *bp)
a2fbb9ea 3677{
bb2a0f7a
YG		 3678 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3679 struct bnx2x_eth_stats *estats = &bp->eth_stats;
a2fbb9ea
ET		 3680 struct net_device_stats *nstats = &bp->dev->stats;
3681
3682 nstats->rx_packets =
3683 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3684 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3685 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3686
3687 nstats->tx_packets =
3688 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3689 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3690 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3691
bb2a0f7a 3692 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
a2fbb9ea 3693
0e39e645 3694 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
a2fbb9ea 3695
bb2a0f7a
YG		 3696 nstats->rx_dropped = old_tclient->checksum_discard +
3697 estats->mac_discard;
a2fbb9ea
ET		 3698 nstats->tx_dropped = 0;
3699
3700 nstats->multicast =
3701 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3702
bb2a0f7a
YG		 3703 nstats->collisions =
3704 estats->tx_stat_dot3statssinglecollisionframes_lo +
3705 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3706 estats->tx_stat_dot3statslatecollisions_lo +
3707 estats->tx_stat_dot3statsexcessivecollisions_lo;
a2fbb9ea 3708
bb2a0f7a
YG		 3709 estats->jabber_packets_received =
3710 old_tclient->packets_too_big_discard +
3711 estats->rx_stat_dot3statsframestoolong_lo;
3712
3713 nstats->rx_length_errors =
3714 estats->rx_stat_etherstatsundersizepkts_lo +
3715 estats->jabber_packets_received;
66e855f3 3716 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
bb2a0f7a
YG		 3717 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3718 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3719 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
a2fbb9ea
ET		 3720 nstats->rx_missed_errors = estats->xxoverflow_discard;
3721
3722 nstats->rx_errors = nstats->rx_length_errors +
3723 nstats->rx_over_errors +
3724 nstats->rx_crc_errors +
3725 nstats->rx_frame_errors +
0e39e645
ET		 3726 nstats->rx_fifo_errors +
3727 nstats->rx_missed_errors;
a2fbb9ea 3728
bb2a0f7a
YG		 3729 nstats->tx_aborted_errors =
3730 estats->tx_stat_dot3statslatecollisions_lo +
3731 estats->tx_stat_dot3statsexcessivecollisions_lo;
3732 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
a2fbb9ea
ET		 3733 nstats->tx_fifo_errors = 0;
3734 nstats->tx_heartbeat_errors = 0;
3735 nstats->tx_window_errors = 0;
3736
3737 nstats->tx_errors = nstats->tx_aborted_errors +
3738 nstats->tx_carrier_errors;
a2fbb9ea
ET		 3739}
3740
bb2a0f7a 3741static void bnx2x_stats_update(struct bnx2x *bp)
a2fbb9ea 3742{
bb2a0f7a
YG		 3743 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3744 int update = 0;
a2fbb9ea 3745
bb2a0f7a
YG		 3746 if (*stats_comp != DMAE_COMP_VAL)
3747 return;
3748
3749 if (bp->port.pmf)
3750 update = (bnx2x_hw_stats_update(bp) == 0);
a2fbb9ea 3751
bb2a0f7a 3752 update |= (bnx2x_storm_stats_update(bp) == 0);
a2fbb9ea 3753
bb2a0f7a
YG		 3754 if (update)
3755 bnx2x_net_stats_update(bp);
a2fbb9ea 3756
bb2a0f7a
YG		 3757 else {
3758 if (bp->stats_pending) {
3759 bp->stats_pending++;
3760 if (bp->stats_pending == 3) {
3761 BNX2X_ERR("stats not updated for 3 times\n");
3762 bnx2x_panic();
3763 return;
3764 }
3765 }
a2fbb9ea
ET		 3766 }
3767
3768 if (bp->msglevel & NETIF_MSG_TIMER) {
bb2a0f7a
YG		 3769 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3770 struct bnx2x_eth_stats *estats = &bp->eth_stats;
a2fbb9ea 3771 struct net_device_stats *nstats = &bp->dev->stats;
34f80b04 3772 int i;
a2fbb9ea
ET		 3773
3774 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3775 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3776 " tx pkt (%lx)\n",
3777 bnx2x_tx_avail(bp->fp),
7a9b2557 3778 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
a2fbb9ea
ET		 3779 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3780 " rx pkt (%lx)\n",
7a9b2557
VZ		 3781 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3782 bp->fp->rx_comp_cons),
3783 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
a2fbb9ea 3784 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
6378c025 3785 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
bb2a0f7a 3786 estats->driver_xoff, estats->brb_drop_lo);
a2fbb9ea
ET		 3787 printk(KERN_DEBUG "tstats: checksum_discard %u "
3788 "packets_too_big_discard %u no_buff_discard %u "
3789 "mac_discard %u mac_filter_discard %u "
3790 "xxovrflow_discard %u brb_truncate_discard %u "
3791 "ttl0_discard %u\n",
bb2a0f7a
YG		 3792 old_tclient->checksum_discard,
3793 old_tclient->packets_too_big_discard,
3794 old_tclient->no_buff_discard, estats->mac_discard,
a2fbb9ea 3795 estats->mac_filter_discard, estats->xxoverflow_discard,
bb2a0f7a
YG		 3796 estats->brb_truncate_discard,
3797 old_tclient->ttl0_discard);
a2fbb9ea
ET		 3798
3799 for_each_queue(bp, i) {
3800 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3801 bnx2x_fp(bp, i, tx_pkt),
3802 bnx2x_fp(bp, i, rx_pkt),
3803 bnx2x_fp(bp, i, rx_calls));
3804 }
3805 }
3806
bb2a0f7a
YG		 3807 bnx2x_hw_stats_post(bp);
3808 bnx2x_storm_stats_post(bp);
3809}
a2fbb9ea 3810
bb2a0f7a
YG		 3811static void bnx2x_port_stats_stop(struct bnx2x *bp)
3812{
3813 struct dmae_command *dmae;
3814 u32 opcode;
3815 int loader_idx = PMF_DMAE_C(bp);
3816 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
a2fbb9ea 3817
bb2a0f7a 3818 bp->executer_idx = 0;
a2fbb9ea 3819
bb2a0f7a
YG		 3820 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3821 DMAE_CMD_C_ENABLE |
3822 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
a2fbb9ea 3823#ifdef __BIG_ENDIAN
bb2a0f7a 3824 DMAE_CMD_ENDIANITY_B_DW_SWAP |
a2fbb9ea 3825#else
bb2a0f7a 3826 DMAE_CMD_ENDIANITY_DW_SWAP |
a2fbb9ea 3827#endif
bb2a0f7a
YG		 3828 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3829 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3830
3831 if (bp->port.port_stx) {
3832
3833 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3834 if (bp->func_stx)
3835 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3836 else
3837 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3838 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3839 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3840 dmae->dst_addr_lo = bp->port.port_stx >> 2;
a2fbb9ea 3841 dmae->dst_addr_hi = 0;
bb2a0f7a
YG		 3842 dmae->len = sizeof(struct host_port_stats) >> 2;
3843 if (bp->func_stx) {
3844 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3845 dmae->comp_addr_hi = 0;
3846 dmae->comp_val = 1;
3847 } else {
3848 dmae->comp_addr_lo =
3849 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3850 dmae->comp_addr_hi =
3851 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3852 dmae->comp_val = DMAE_COMP_VAL;
a2fbb9ea 3853
bb2a0f7a
YG		 3854 *stats_comp = 0;
3855 }
a2fbb9ea
ET		 3856 }
3857
bb2a0f7a
YG		 3858 if (bp->func_stx) {
3859
3860 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3861 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3862 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3863 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3864 dmae->dst_addr_lo = bp->func_stx >> 2;
3865 dmae->dst_addr_hi = 0;
3866 dmae->len = sizeof(struct host_func_stats) >> 2;
3867 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3868 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3869 dmae->comp_val = DMAE_COMP_VAL;
3870
3871 *stats_comp = 0;
a2fbb9ea 3872 }
bb2a0f7a
YG		 3873}
3874
3875static void bnx2x_stats_stop(struct bnx2x *bp)
3876{
3877 int update = 0;
3878
3879 bnx2x_stats_comp(bp);
3880
3881 if (bp->port.pmf)
3882 update = (bnx2x_hw_stats_update(bp) == 0);
3883
3884 update |= (bnx2x_storm_stats_update(bp) == 0);
3885
3886 if (update) {
3887 bnx2x_net_stats_update(bp);
a2fbb9ea 3888
bb2a0f7a
YG		 3889 if (bp->port.pmf)
3890 bnx2x_port_stats_stop(bp);
3891
3892 bnx2x_hw_stats_post(bp);
3893 bnx2x_stats_comp(bp);
a2fbb9ea
ET		 3894 }
3895}
3896
bb2a0f7a
YG		 3897static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3898{
3899}
3900
3901static const struct {
3902 void (*action)(struct bnx2x *bp);
3903 enum bnx2x_stats_state next_state;
3904} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3905/* state event */
3906{
3907/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3908/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3909/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3910/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3911},
3912{
3913/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3914/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3915/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3916/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3917}
3918};
3919
3920static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3921{
3922 enum bnx2x_stats_state state = bp->stats_state;
3923
3924 bnx2x_stats_stm[state][event].action(bp);
3925 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3926
3927 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3928 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3929 state, event, bp->stats_state);
3930}
3931
a2fbb9ea
ET		 3932static void bnx2x_timer(unsigned long data)
3933{
3934 struct bnx2x *bp = (struct bnx2x *) data;
3935
3936 if (!netif_running(bp->dev))
3937 return;
3938
3939 if (atomic_read(&bp->intr_sem) != 0)
f1410647 3940 goto timer_restart;
a2fbb9ea
ET		 3941
3942 if (poll) {
3943 struct bnx2x_fastpath *fp = &bp->fp[0];
3944 int rc;
3945
3946 bnx2x_tx_int(fp, 1000);
3947 rc = bnx2x_rx_int(fp, 1000);
3948 }
3949
34f80b04
EG		 3950 if (!BP_NOMCP(bp)) {
3951 int func = BP_FUNC(bp);
a2fbb9ea
ET		 3952 u32 drv_pulse;
3953 u32 mcp_pulse;
3954
3955 ++bp->fw_drv_pulse_wr_seq;
3956 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3957 /* TBD - add SYSTEM_TIME */
3958 drv_pulse = bp->fw_drv_pulse_wr_seq;
34f80b04 3959 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
a2fbb9ea 3960
34f80b04 3961 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
a2fbb9ea
ET		 3962 MCP_PULSE_SEQ_MASK);
3963 /* The delta between driver pulse and mcp response
3964 * should be 1 (before mcp response) or 0 (after mcp response)
3965 */
3966 if ((drv_pulse != mcp_pulse) &&
3967 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3968 /* someone lost a heartbeat... */
3969 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3970 drv_pulse, mcp_pulse);
3971 }
3972 }
3973
bb2a0f7a
YG		 3974 if ((bp->state == BNX2X_STATE_OPEN) ||
3975 (bp->state == BNX2X_STATE_DISABLED))
3976 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
a2fbb9ea 3977
f1410647 3978timer_restart:
a2fbb9ea
ET		 3979 mod_timer(&bp->timer, jiffies + bp->current_interval);
3980}
3981
3982/* end of Statistics */
3983
3984/* nic init */
3985
3986/*
3987 * nic init service functions
3988 */
3989
34f80b04 3990static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
a2fbb9ea 3991{
34f80b04
EG		 3992 int port = BP_PORT(bp);
3993
3994 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3995 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
35302989 3996 sizeof(struct ustorm_status_block)/4);
34f80b04
EG		 3997 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3998 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
35302989 3999 sizeof(struct cstorm_status_block)/4);
34f80b04
EG		 4000}
4001
5c862848
EG		 4002static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4003 dma_addr_t mapping, int sb_id)
34f80b04
EG		 4004{
4005 int port = BP_PORT(bp);
bb2a0f7a 4006 int func = BP_FUNC(bp);
a2fbb9ea 4007 int index;
34f80b04 4008 u64 section;
a2fbb9ea
ET		 4009
4010 /* USTORM */
4011 section = ((u64)mapping) + offsetof(struct host_status_block,
4012 u_status_block);
34f80b04 4013 sb->u_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4014
4015 REG_WR(bp, BAR_USTRORM_INTMEM +
34f80b04 4016 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
a2fbb9ea 4017 REG_WR(bp, BAR_USTRORM_INTMEM +
34f80b04 4018 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
a2fbb9ea 4019 U64_HI(section));
bb2a0f7a
YG		 4020 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4021 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
a2fbb9ea
ET		 4022
4023 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4024 REG_WR16(bp, BAR_USTRORM_INTMEM +
34f80b04 4025 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
a2fbb9ea
ET		 4026
4027 /* CSTORM */
4028 section = ((u64)mapping) + offsetof(struct host_status_block,
4029 c_status_block);
34f80b04 4030 sb->c_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4031
4032 REG_WR(bp, BAR_CSTRORM_INTMEM +
34f80b04 4033 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
a2fbb9ea 4034 REG_WR(bp, BAR_CSTRORM_INTMEM +
34f80b04 4035 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
a2fbb9ea 4036 U64_HI(section));
7a9b2557
VZ		 4037 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4038 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
a2fbb9ea
ET		 4039
4040 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4041 REG_WR16(bp, BAR_CSTRORM_INTMEM +
34f80b04
EG		 4042 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4043
4044 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4045}
4046
4047static void bnx2x_zero_def_sb(struct bnx2x *bp)
4048{
4049 int func = BP_FUNC(bp);
a2fbb9ea 4050
34f80b04
EG		 4051 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4052 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4053 sizeof(struct ustorm_def_status_block)/4);
4054 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4055 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4056 sizeof(struct cstorm_def_status_block)/4);
4057 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4058 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4059 sizeof(struct xstorm_def_status_block)/4);
4060 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4061 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4062 sizeof(struct tstorm_def_status_block)/4);
a2fbb9ea
ET		 4063}
4064
4065static void bnx2x_init_def_sb(struct bnx2x *bp,
4066 struct host_def_status_block *def_sb,
34f80b04 4067 dma_addr_t mapping, int sb_id)
a2fbb9ea 4068{
34f80b04
EG		 4069 int port = BP_PORT(bp);
4070 int func = BP_FUNC(bp);
a2fbb9ea
ET		 4071 int index, val, reg_offset;
4072 u64 section;
4073
4074 /* ATTN */
4075 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4076 atten_status_block);
34f80b04 4077 def_sb->atten_status_block.status_block_id = sb_id;
a2fbb9ea 4078
49d66772
ET		 4079 bp->attn_state = 0;
4080
a2fbb9ea
ET		 4081 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4082 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4083
34f80b04 4084 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
a2fbb9ea
ET		 4085 bp->attn_group[index].sig[0] = REG_RD(bp,
4086 reg_offset + 0x10*index);
4087 bp->attn_group[index].sig[1] = REG_RD(bp,
4088 reg_offset + 0x4 + 0x10*index);
4089 bp->attn_group[index].sig[2] = REG_RD(bp,
4090 reg_offset + 0x8 + 0x10*index);
4091 bp->attn_group[index].sig[3] = REG_RD(bp,
4092 reg_offset + 0xc + 0x10*index);
4093 }
4094
a2fbb9ea
ET		 4095 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4096 HC_REG_ATTN_MSG0_ADDR_L);
4097
4098 REG_WR(bp, reg_offset, U64_LO(section));
4099 REG_WR(bp, reg_offset + 4, U64_HI(section));
4100
4101 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4102
4103 val = REG_RD(bp, reg_offset);
34f80b04 4104 val |= sb_id;
a2fbb9ea
ET		 4105 REG_WR(bp, reg_offset, val);
4106
4107 /* USTORM */
4108 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4109 u_def_status_block);
34f80b04 4110 def_sb->u_def_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4111
4112 REG_WR(bp, BAR_USTRORM_INTMEM +
34f80b04 4113 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
a2fbb9ea 4114 REG_WR(bp, BAR_USTRORM_INTMEM +
34f80b04 4115 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
a2fbb9ea 4116 U64_HI(section));
5c862848 4117 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
34f80b04 4118 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
a2fbb9ea
ET		 4119
4120 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4121 REG_WR16(bp, BAR_USTRORM_INTMEM +
34f80b04 4122 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
a2fbb9ea
ET		 4123
4124 /* CSTORM */
4125 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4126 c_def_status_block);
34f80b04 4127 def_sb->c_def_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4128
4129 REG_WR(bp, BAR_CSTRORM_INTMEM +
34f80b04 4130 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
a2fbb9ea 4131 REG_WR(bp, BAR_CSTRORM_INTMEM +
34f80b04 4132 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
a2fbb9ea 4133 U64_HI(section));
5c862848 4134 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
34f80b04 4135 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
a2fbb9ea
ET		 4136
4137 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4138 REG_WR16(bp, BAR_CSTRORM_INTMEM +
34f80b04 4139 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
a2fbb9ea
ET		 4140
4141 /* TSTORM */
4142 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4143 t_def_status_block);
34f80b04 4144 def_sb->t_def_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4145
4146 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4147 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
a2fbb9ea 4148 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4149 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
a2fbb9ea 4150 U64_HI(section));
5c862848 4151 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
34f80b04 4152 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
a2fbb9ea
ET		 4153
4154 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4155 REG_WR16(bp, BAR_TSTRORM_INTMEM +
34f80b04 4156 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
a2fbb9ea
ET		 4157
4158 /* XSTORM */
4159 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4160 x_def_status_block);
34f80b04 4161 def_sb->x_def_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4162
4163 REG_WR(bp, BAR_XSTRORM_INTMEM +
34f80b04 4164 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
a2fbb9ea 4165 REG_WR(bp, BAR_XSTRORM_INTMEM +
34f80b04 4166 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
a2fbb9ea 4167 U64_HI(section));
5c862848 4168 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
34f80b04 4169 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
a2fbb9ea
ET		 4170
4171 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4172 REG_WR16(bp, BAR_XSTRORM_INTMEM +
34f80b04 4173 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
49d66772 4174
bb2a0f7a 4175 bp->stats_pending = 0;
66e855f3 4176 bp->set_mac_pending = 0;
bb2a0f7a 4177
34f80b04 4178 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
a2fbb9ea
ET		 4179}
4180
4181static void bnx2x_update_coalesce(struct bnx2x *bp)
4182{
34f80b04 4183 int port = BP_PORT(bp);
a2fbb9ea
ET		 4184 int i;
4185
4186 for_each_queue(bp, i) {
34f80b04 4187 int sb_id = bp->fp[i].sb_id;
a2fbb9ea
ET		 4188
4189 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4190 REG_WR8(bp, BAR_USTRORM_INTMEM +
34f80b04 4191 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
5c862848 4192 U_SB_ETH_RX_CQ_INDEX),
34f80b04 4193 bp->rx_ticks/12);
a2fbb9ea 4194 REG_WR16(bp, BAR_USTRORM_INTMEM +
34f80b04 4195 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
5c862848
EG		 4196 U_SB_ETH_RX_CQ_INDEX),
4197 bp->rx_ticks ? 0 : 1);
4198 REG_WR16(bp, BAR_USTRORM_INTMEM +
4199 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4200 U_SB_ETH_RX_BD_INDEX),
34f80b04 4201 bp->rx_ticks ? 0 : 1);
a2fbb9ea
ET		 4202
4203 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4204 REG_WR8(bp, BAR_CSTRORM_INTMEM +
34f80b04 4205 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
5c862848 4206 C_SB_ETH_TX_CQ_INDEX),
34f80b04 4207 bp->tx_ticks/12);
a2fbb9ea 4208 REG_WR16(bp, BAR_CSTRORM_INTMEM +
34f80b04 4209 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
5c862848 4210 C_SB_ETH_TX_CQ_INDEX),
34f80b04 4211 bp->tx_ticks ? 0 : 1);
a2fbb9ea
ET		 4212 }
4213}
4214
7a9b2557
VZ		 4215static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4216 struct bnx2x_fastpath *fp, int last)
4217{
4218 int i;
4219
4220 for (i = 0; i < last; i++) {
4221 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4222 struct sk_buff *skb = rx_buf->skb;
4223
4224 if (skb == NULL) {
4225 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4226 continue;
4227 }
4228
4229 if (fp->tpa_state[i] == BNX2X_TPA_START)
4230 pci_unmap_single(bp->pdev,
4231 pci_unmap_addr(rx_buf, mapping),
437cf2f1 4232 bp->rx_buf_size,
7a9b2557
VZ		 4233 PCI_DMA_FROMDEVICE);
4234
4235 dev_kfree_skb(skb);
4236 rx_buf->skb = NULL;
4237 }
4238}
4239
a2fbb9ea
ET		 4240static void bnx2x_init_rx_rings(struct bnx2x *bp)
4241{
7a9b2557 4242 int func = BP_FUNC(bp);
32626230
EG		 4243 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4244 ETH_MAX_AGGREGATION_QUEUES_E1H;
4245 u16 ring_prod, cqe_ring_prod;
a2fbb9ea 4246 int i, j;
a2fbb9ea 4247
437cf2f1
EG		 4248 bp->rx_buf_size = bp->dev->mtu;
4249 bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4250 BCM_RX_ETH_PAYLOAD_ALIGN;
a2fbb9ea 4251
7a9b2557
VZ		 4252 if (bp->flags & TPA_ENABLE_FLAG) {
4253 DP(NETIF_MSG_IFUP,
437cf2f1
EG		 4254 "rx_buf_size %d effective_mtu %d\n",
4255 bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
7a9b2557
VZ		 4256
4257 for_each_queue(bp, j) {
32626230 4258 struct bnx2x_fastpath *fp = &bp->fp[j];
7a9b2557 4259
32626230 4260 for (i = 0; i < max_agg_queues; i++) {
7a9b2557
VZ		 4261 fp->tpa_pool[i].skb =
4262 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4263 if (!fp->tpa_pool[i].skb) {
4264 BNX2X_ERR("Failed to allocate TPA "
4265 "skb pool for queue[%d] - "
4266 "disabling TPA on this "
4267 "queue!\n", j);
4268 bnx2x_free_tpa_pool(bp, fp, i);
4269 fp->disable_tpa = 1;
4270 break;
4271 }
4272 pci_unmap_addr_set((struct sw_rx_bd *)
4273 &bp->fp->tpa_pool[i],
4274 mapping, 0);
4275 fp->tpa_state[i] = BNX2X_TPA_STOP;
4276 }
4277 }
4278 }
4279
a2fbb9ea
ET		 4280 for_each_queue(bp, j) {
4281 struct bnx2x_fastpath *fp = &bp->fp[j];
4282
4283 fp->rx_bd_cons = 0;
4284 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
7a9b2557
VZ		 4285 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
4286
4287 /* "next page" elements initialization */
4288 /* SGE ring */
4289 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4290 struct eth_rx_sge *sge;
4291
4292 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4293 sge->addr_hi =
4294 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4295 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4296 sge->addr_lo =
4297 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4298 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4299 }
4300
4301 bnx2x_init_sge_ring_bit_mask(fp);
a2fbb9ea 4302
7a9b2557 4303 /* RX BD ring */
a2fbb9ea
ET		 4304 for (i = 1; i <= NUM_RX_RINGS; i++) {
4305 struct eth_rx_bd *rx_bd;
4306
4307 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4308 rx_bd->addr_hi =
4309 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
34f80b04 4310 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
a2fbb9ea
ET		 4311 rx_bd->addr_lo =
4312 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
34f80b04 4313 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
a2fbb9ea
ET		 4314 }
4315
34f80b04 4316 /* CQ ring */
a2fbb9ea
ET		 4317 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4318 struct eth_rx_cqe_next_page *nextpg;
4319
4320 nextpg = (struct eth_rx_cqe_next_page *)
4321 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4322 nextpg->addr_hi =
4323 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
34f80b04 4324 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
a2fbb9ea
ET		 4325 nextpg->addr_lo =
4326 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
34f80b04 4327 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
a2fbb9ea
ET		 4328 }
4329
7a9b2557
VZ		 4330 /* Allocate SGEs and initialize the ring elements */
4331 for (i = 0, ring_prod = 0;
4332 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
a2fbb9ea 4333
7a9b2557
VZ		 4334 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4335 BNX2X_ERR("was only able to allocate "
4336 "%d rx sges\n", i);
4337 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4338 /* Cleanup already allocated elements */
4339 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
32626230 4340 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
7a9b2557
VZ		 4341 fp->disable_tpa = 1;
4342 ring_prod = 0;
4343 break;
4344 }
4345 ring_prod = NEXT_SGE_IDX(ring_prod);
4346 }
4347 fp->rx_sge_prod = ring_prod;
4348
4349 /* Allocate BDs and initialize BD ring */
66e855f3 4350 fp->rx_comp_cons = 0;
7a9b2557 4351 cqe_ring_prod = ring_prod = 0;
a2fbb9ea
ET		 4352 for (i = 0; i < bp->rx_ring_size; i++) {
4353 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4354 BNX2X_ERR("was only able to allocate "
4355 "%d rx skbs\n", i);
66e855f3 4356 bp->eth_stats.rx_skb_alloc_failed++;
a2fbb9ea
ET		 4357 break;
4358 }
4359 ring_prod = NEXT_RX_IDX(ring_prod);
7a9b2557 4360 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
53e5e96e 4361 WARN_ON(ring_prod <= i);
a2fbb9ea
ET		 4362 }
4363
7a9b2557
VZ		 4364 fp->rx_bd_prod = ring_prod;
4365 /* must not have more available CQEs than BDs */
4366 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4367 cqe_ring_prod);
a2fbb9ea
ET		 4368 fp->rx_pkt = fp->rx_calls = 0;
4369
7a9b2557
VZ		 4370 /* Warning!
4371 * this will generate an interrupt (to the TSTORM)
4372 * must only be done after chip is initialized
4373 */
4374 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4375 fp->rx_sge_prod);
a2fbb9ea
ET		 4376 if (j != 0)
4377 continue;
4378
4379 REG_WR(bp, BAR_USTRORM_INTMEM +
7a9b2557 4380 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
a2fbb9ea
ET		 4381 U64_LO(fp->rx_comp_mapping));
4382 REG_WR(bp, BAR_USTRORM_INTMEM +
7a9b2557 4383 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
a2fbb9ea
ET		 4384 U64_HI(fp->rx_comp_mapping));
4385 }
4386}
4387
4388static void bnx2x_init_tx_ring(struct bnx2x *bp)
4389{
4390 int i, j;
4391
4392 for_each_queue(bp, j) {
4393 struct bnx2x_fastpath *fp = &bp->fp[j];
4394
4395 for (i = 1; i <= NUM_TX_RINGS; i++) {
4396 struct eth_tx_bd *tx_bd =
4397 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4398
4399 tx_bd->addr_hi =
4400 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
34f80b04 4401 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
a2fbb9ea
ET		 4402 tx_bd->addr_lo =
4403 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
34f80b04 4404 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
a2fbb9ea
ET		 4405 }
4406
4407 fp->tx_pkt_prod = 0;
4408 fp->tx_pkt_cons = 0;
4409 fp->tx_bd_prod = 0;
4410 fp->tx_bd_cons = 0;
4411 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4412 fp->tx_pkt = 0;
4413 }
4414}
4415
4416static void bnx2x_init_sp_ring(struct bnx2x *bp)
4417{
34f80b04 4418 int func = BP_FUNC(bp);
a2fbb9ea
ET		 4419
4420 spin_lock_init(&bp->spq_lock);
4421
4422 bp->spq_left = MAX_SPQ_PENDING;
4423 bp->spq_prod_idx = 0;
a2fbb9ea
ET		 4424 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4425 bp->spq_prod_bd = bp->spq;
4426 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4427
34f80b04 4428 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
a2fbb9ea 4429 U64_LO(bp->spq_mapping));
34f80b04
EG		 4430 REG_WR(bp,
4431 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
a2fbb9ea
ET		 4432 U64_HI(bp->spq_mapping));
4433
34f80b04 4434 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
a2fbb9ea
ET		 4435 bp->spq_prod_idx);
4436}
4437
4438static void bnx2x_init_context(struct bnx2x *bp)
4439{
4440 int i;
4441
4442 for_each_queue(bp, i) {
4443 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4444 struct bnx2x_fastpath *fp = &bp->fp[i];
34f80b04 4445 u8 sb_id = FP_SB_ID(fp);
a2fbb9ea
ET		 4446
4447 context->xstorm_st_context.tx_bd_page_base_hi =
4448 U64_HI(fp->tx_desc_mapping);
4449 context->xstorm_st_context.tx_bd_page_base_lo =
4450 U64_LO(fp->tx_desc_mapping);
4451 context->xstorm_st_context.db_data_addr_hi =
4452 U64_HI(fp->tx_prods_mapping);
4453 context->xstorm_st_context.db_data_addr_lo =
4454 U64_LO(fp->tx_prods_mapping);
34f80b04
EG		 4455 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4456 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
4457
4458 context->ustorm_st_context.common.sb_index_numbers =
4459 BNX2X_RX_SB_INDEX_NUM;
4460 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4461 context->ustorm_st_context.common.status_block_id = sb_id;
4462 context->ustorm_st_context.common.flags =
4463 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
437cf2f1
EG		 4464 context->ustorm_st_context.common.mc_alignment_size =
4465 BCM_RX_ETH_PAYLOAD_ALIGN;
34f80b04 4466 context->ustorm_st_context.common.bd_buff_size =
437cf2f1 4467 bp->rx_buf_size;
34f80b04 4468 context->ustorm_st_context.common.bd_page_base_hi =
a2fbb9ea 4469 U64_HI(fp->rx_desc_mapping);
34f80b04 4470 context->ustorm_st_context.common.bd_page_base_lo =
a2fbb9ea 4471 U64_LO(fp->rx_desc_mapping);
7a9b2557
VZ		 4472 if (!fp->disable_tpa) {
4473 context->ustorm_st_context.common.flags |=
4474 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4475 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4476 context->ustorm_st_context.common.sge_buff_size =
4477 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4478 context->ustorm_st_context.common.sge_page_base_hi =
4479 U64_HI(fp->rx_sge_mapping);
4480 context->ustorm_st_context.common.sge_page_base_lo =
4481 U64_LO(fp->rx_sge_mapping);
4482 }
4483
a2fbb9ea 4484 context->cstorm_st_context.sb_index_number =
5c862848 4485 C_SB_ETH_TX_CQ_INDEX;
34f80b04 4486 context->cstorm_st_context.status_block_id = sb_id;
a2fbb9ea
ET		 4487
4488 context->xstorm_ag_context.cdu_reserved =
4489 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4490 CDU_REGION_NUMBER_XCM_AG,
4491 ETH_CONNECTION_TYPE);
4492 context->ustorm_ag_context.cdu_usage =
4493 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4494 CDU_REGION_NUMBER_UCM_AG,
4495 ETH_CONNECTION_TYPE);
4496 }
4497}
4498
4499static void bnx2x_init_ind_table(struct bnx2x *bp)
4500{
34f80b04 4501 int port = BP_PORT(bp);
a2fbb9ea
ET		 4502 int i;
4503
4504 if (!is_multi(bp))
4505 return;
4506
34f80b04 4507 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
a2fbb9ea 4508 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
34f80b04
EG		 4509 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4510 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
a2fbb9ea
ET		 4511 i % bp->num_queues);
4512
4513 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4514}
4515
49d66772
ET		 4516static void bnx2x_set_client_config(struct bnx2x *bp)
4517{
49d66772 4518 struct tstorm_eth_client_config tstorm_client = {0};
34f80b04
EG		 4519 int port = BP_PORT(bp);
4520 int i;
49d66772 4521
34f80b04 4522 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
66e855f3 4523 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
49d66772
ET		 4524 tstorm_client.config_flags =
4525 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4526#ifdef BCM_VLAN
34f80b04 4527 if (bp->rx_mode && bp->vlgrp) {
49d66772
ET		 4528 tstorm_client.config_flags |=
4529 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4530 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4531 }
4532#endif
49d66772 4533
7a9b2557
VZ		 4534 if (bp->flags & TPA_ENABLE_FLAG) {
4535 tstorm_client.max_sges_for_packet =
4536 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4537 tstorm_client.max_sges_for_packet =
4538 ((tstorm_client.max_sges_for_packet +
4539 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4540 PAGES_PER_SGE_SHIFT;
4541
4542 tstorm_client.config_flags |=
4543 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4544 }
4545
49d66772
ET		 4546 for_each_queue(bp, i) {
4547 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4548 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
49d66772
ET		 4549 ((u32 *)&tstorm_client)[0]);
4550 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4551 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
49d66772
ET		 4552 ((u32 *)&tstorm_client)[1]);
4553 }
4554
34f80b04
EG		 4555 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4556 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
49d66772
ET		 4557}
4558
a2fbb9ea
ET		 4559static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4560{
a2fbb9ea 4561 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
34f80b04
EG		 4562 int mode = bp->rx_mode;
4563 int mask = (1 << BP_L_ID(bp));
4564 int func = BP_FUNC(bp);
a2fbb9ea
ET		 4565 int i;
4566
3196a88a 4567 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
a2fbb9ea
ET		 4568
4569 switch (mode) {
4570 case BNX2X_RX_MODE_NONE: /* no Rx */
34f80b04
EG		 4571 tstorm_mac_filter.ucast_drop_all = mask;
4572 tstorm_mac_filter.mcast_drop_all = mask;
4573 tstorm_mac_filter.bcast_drop_all = mask;
a2fbb9ea
ET		 4574 break;
4575 case BNX2X_RX_MODE_NORMAL:
34f80b04 4576 tstorm_mac_filter.bcast_accept_all = mask;
a2fbb9ea
ET		 4577 break;
4578 case BNX2X_RX_MODE_ALLMULTI:
34f80b04
EG		 4579 tstorm_mac_filter.mcast_accept_all = mask;
4580 tstorm_mac_filter.bcast_accept_all = mask;
a2fbb9ea
ET		 4581 break;
4582 case BNX2X_RX_MODE_PROMISC:
34f80b04
EG		 4583 tstorm_mac_filter.ucast_accept_all = mask;
4584 tstorm_mac_filter.mcast_accept_all = mask;
4585 tstorm_mac_filter.bcast_accept_all = mask;
a2fbb9ea
ET		 4586 break;
4587 default:
34f80b04
EG		 4588 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4589 break;
a2fbb9ea
ET		 4590 }
4591
4592 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4593 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4594 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
a2fbb9ea
ET		 4595 ((u32 *)&tstorm_mac_filter)[i]);
4596
34f80b04 4597/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
a2fbb9ea
ET		 4598 ((u32 *)&tstorm_mac_filter)[i]); */
4599 }
a2fbb9ea 4600
49d66772
ET		 4601 if (mode != BNX2X_RX_MODE_NONE)
4602 bnx2x_set_client_config(bp);
a2fbb9ea
ET		 4603}
4604
471de716
EG		 4605static void bnx2x_init_internal_common(struct bnx2x *bp)
4606{
4607 int i;
4608
3cdf1db7
YG		 4609 if (bp->flags & TPA_ENABLE_FLAG) {
4610 struct tstorm_eth_tpa_exist tpa = {0};
4611
4612 tpa.tpa_exist = 1;
4613
4614 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4615 ((u32 *)&tpa)[0]);
4616 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4617 ((u32 *)&tpa)[1]);
4618 }
4619
471de716
EG		 4620 /* Zero this manually as its initialization is
4621 currently missing in the initTool */
4622 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4623 REG_WR(bp, BAR_USTRORM_INTMEM +
4624 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4625}
4626
4627static void bnx2x_init_internal_port(struct bnx2x *bp)
4628{
4629 int port = BP_PORT(bp);
4630
4631 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4632 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4633 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4634 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4635}
4636
4637static void bnx2x_init_internal_func(struct bnx2x *bp)
a2fbb9ea 4638{
a2fbb9ea
ET		 4639 struct tstorm_eth_function_common_config tstorm_config = {0};
4640 struct stats_indication_flags stats_flags = {0};
34f80b04
EG		 4641 int port = BP_PORT(bp);
4642 int func = BP_FUNC(bp);
4643 int i;
471de716 4644 u16 max_agg_size;
a2fbb9ea
ET		 4645
4646 if (is_multi(bp)) {
4647 tstorm_config.config_flags = MULTI_FLAGS;
4648 tstorm_config.rss_result_mask = MULTI_MASK;
4649 }
4650
34f80b04
EG		 4651 tstorm_config.leading_client_id = BP_L_ID(bp);
4652
a2fbb9ea 4653 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4654 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
a2fbb9ea
ET		 4655 (*(u32 *)&tstorm_config));
4656
c14423fe 4657 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
a2fbb9ea
ET		 4658 bnx2x_set_storm_rx_mode(bp);
4659
66e855f3
YG		 4660 /* reset xstorm per client statistics */
4661 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4662 REG_WR(bp, BAR_XSTRORM_INTMEM +
4663 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4664 i*4, 0);
4665 }
4666 /* reset tstorm per client statistics */
4667 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4668 REG_WR(bp, BAR_TSTRORM_INTMEM +
4669 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4670 i*4, 0);
4671 }
4672
4673 /* Init statistics related context */
34f80b04 4674 stats_flags.collect_eth = 1;
a2fbb9ea 4675
66e855f3 4676 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
a2fbb9ea 4677 ((u32 *)&stats_flags)[0]);
66e855f3 4678 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
a2fbb9ea
ET		 4679 ((u32 *)&stats_flags)[1]);
4680
66e855f3 4681 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
a2fbb9ea 4682 ((u32 *)&stats_flags)[0]);
66e855f3 4683 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
a2fbb9ea
ET		 4684 ((u32 *)&stats_flags)[1]);
4685
66e855f3 4686 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
a2fbb9ea 4687 ((u32 *)&stats_flags)[0]);
66e855f3 4688 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
a2fbb9ea
ET		 4689 ((u32 *)&stats_flags)[1]);
4690
66e855f3
YG		 4691 REG_WR(bp, BAR_XSTRORM_INTMEM +
4692 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4693 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4694 REG_WR(bp, BAR_XSTRORM_INTMEM +
4695 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4696 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4697
4698 REG_WR(bp, BAR_TSTRORM_INTMEM +
4699 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4700 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4701 REG_WR(bp, BAR_TSTRORM_INTMEM +
4702 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4703 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
34f80b04
EG		 4704
4705 if (CHIP_IS_E1H(bp)) {
4706 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4707 IS_E1HMF(bp));
4708 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4709 IS_E1HMF(bp));
4710 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4711 IS_E1HMF(bp));
4712 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4713 IS_E1HMF(bp));
4714
7a9b2557
VZ		 4715 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4716 bp->e1hov);
34f80b04
EG		 4717 }
4718
471de716 4719 /* Init CQ ring mapping and aggregation size */
437cf2f1 4720 max_agg_size = min((u32)(bp->rx_buf_size +
471de716
EG		 4721 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4722 (u32)0xffff);
7a9b2557
VZ		 4723 for_each_queue(bp, i) {
4724 struct bnx2x_fastpath *fp = &bp->fp[i];
7a9b2557
VZ		 4725
4726 REG_WR(bp, BAR_USTRORM_INTMEM +
4727 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4728 U64_LO(fp->rx_comp_mapping));
4729 REG_WR(bp, BAR_USTRORM_INTMEM +
4730 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4731 U64_HI(fp->rx_comp_mapping));
4732
7a9b2557
VZ		 4733 REG_WR16(bp, BAR_USTRORM_INTMEM +
4734 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4735 max_agg_size);
4736 }
a2fbb9ea
ET		 4737}
4738
471de716
EG		 4739static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4740{
4741 switch (load_code) {
4742 case FW_MSG_CODE_DRV_LOAD_COMMON:
4743 bnx2x_init_internal_common(bp);
4744 /* no break */
4745
4746 case FW_MSG_CODE_DRV_LOAD_PORT:
4747 bnx2x_init_internal_port(bp);
4748 /* no break */
4749
4750 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4751 bnx2x_init_internal_func(bp);
4752 break;
4753
4754 default:
4755 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4756 break;
4757 }
4758}
4759
4760static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
a2fbb9ea
ET		 4761{
4762 int i;
4763
4764 for_each_queue(bp, i) {
4765 struct bnx2x_fastpath *fp = &bp->fp[i];
4766
34f80b04 4767 fp->bp = bp;
a2fbb9ea 4768 fp->state = BNX2X_FP_STATE_CLOSED;
a2fbb9ea 4769 fp->index = i;
34f80b04
EG		 4770 fp->cl_id = BP_L_ID(bp) + i;
4771 fp->sb_id = fp->cl_id;
4772 DP(NETIF_MSG_IFUP,
4773 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4774 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
5c862848
EG		 4775 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4776 FP_SB_ID(fp));
4777 bnx2x_update_fpsb_idx(fp);
a2fbb9ea
ET		 4778 }
4779
5c862848
EG		 4780 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4781 DEF_SB_ID);
4782 bnx2x_update_dsb_idx(bp);
a2fbb9ea
ET		 4783 bnx2x_update_coalesce(bp);
4784 bnx2x_init_rx_rings(bp);
4785 bnx2x_init_tx_ring(bp);
4786 bnx2x_init_sp_ring(bp);
4787 bnx2x_init_context(bp);
471de716 4788 bnx2x_init_internal(bp, load_code);
a2fbb9ea 4789 bnx2x_init_ind_table(bp);
615f8fd9 4790 bnx2x_int_enable(bp);
a2fbb9ea
ET		 4791}
4792
4793/* end of nic init */
4794
4795/*
4796 * gzip service functions
4797 */
4798
4799static int bnx2x_gunzip_init(struct bnx2x *bp)
4800{
4801 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4802 &bp->gunzip_mapping);
4803 if (bp->gunzip_buf == NULL)
4804 goto gunzip_nomem1;
4805
4806 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4807 if (bp->strm == NULL)
4808 goto gunzip_nomem2;
4809
4810 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4811 GFP_KERNEL);
4812 if (bp->strm->workspace == NULL)
4813 goto gunzip_nomem3;
4814
4815 return 0;
4816
4817gunzip_nomem3:
4818 kfree(bp->strm);
4819 bp->strm = NULL;
4820
4821gunzip_nomem2:
4822 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4823 bp->gunzip_mapping);
4824 bp->gunzip_buf = NULL;
4825
4826gunzip_nomem1:
4827 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
34f80b04 4828 " un-compression\n", bp->dev->name);
a2fbb9ea
ET		 4829 return -ENOMEM;
4830}
4831
4832static void bnx2x_gunzip_end(struct bnx2x *bp)
4833{
4834 kfree(bp->strm->workspace);
4835
4836 kfree(bp->strm);
4837 bp->strm = NULL;
4838
4839 if (bp->gunzip_buf) {
4840 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4841 bp->gunzip_mapping);
4842 bp->gunzip_buf = NULL;
4843 }
4844}
4845
4846static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4847{
4848 int n, rc;
4849
4850 /* check gzip header */
4851 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4852 return -EINVAL;
4853
4854 n = 10;
4855
34f80b04 4856#define FNAME 0x8
a2fbb9ea
ET		 4857
4858 if (zbuf[3] & FNAME)
4859 while ((zbuf[n++] != 0) && (n < len));
4860
4861 bp->strm->next_in = zbuf + n;
4862 bp->strm->avail_in = len - n;
4863 bp->strm->next_out = bp->gunzip_buf;
4864 bp->strm->avail_out = FW_BUF_SIZE;
4865
4866 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4867 if (rc != Z_OK)
4868 return rc;
4869
4870 rc = zlib_inflate(bp->strm, Z_FINISH);
4871 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4872 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4873 bp->dev->name, bp->strm->msg);
4874
4875 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4876 if (bp->gunzip_outlen & 0x3)
4877 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4878 " gunzip_outlen (%d) not aligned\n",
4879 bp->dev->name, bp->gunzip_outlen);
4880 bp->gunzip_outlen >>= 2;
4881
4882 zlib_inflateEnd(bp->strm);
4883
4884 if (rc == Z_STREAM_END)
4885 return 0;
4886
4887 return rc;
4888}
4889
4890/* nic load/unload */
4891
4892/*
34f80b04 4893 * General service functions
a2fbb9ea
ET		 4894 */
4895
4896/* send a NIG loopback debug packet */
4897static void bnx2x_lb_pckt(struct bnx2x *bp)
4898{
a2fbb9ea 4899 u32 wb_write[3];
a2fbb9ea
ET		 4900
4901 /* Ethernet source and destination addresses */
a2fbb9ea
ET		 4902 wb_write[0] = 0x55555555;
4903 wb_write[1] = 0x55555555;
34f80b04 4904 wb_write[2] = 0x20; /* SOP */
a2fbb9ea 4905 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
a2fbb9ea
ET		 4906
4907 /* NON-IP protocol */
a2fbb9ea
ET		 4908 wb_write[0] = 0x09000000;
4909 wb_write[1] = 0x55555555;
34f80b04 4910 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
a2fbb9ea 4911 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
a2fbb9ea
ET		 4912}
4913
4914/* some of the internal memories
4915 * are not directly readable from the driver
4916 * to test them we send debug packets
4917 */
4918static int bnx2x_int_mem_test(struct bnx2x *bp)
4919{
4920 int factor;
4921 int count, i;
4922 u32 val = 0;
4923
ad8d3948 4924 if (CHIP_REV_IS_FPGA(bp))
a2fbb9ea 4925 factor = 120;
ad8d3948
EG		 4926 else if (CHIP_REV_IS_EMUL(bp))
4927 factor = 200;
4928 else
a2fbb9ea 4929 factor = 1;
a2fbb9ea
ET		 4930
4931 DP(NETIF_MSG_HW, "start part1\n");
4932
4933 /* Disable inputs of parser neighbor blocks */
4934 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4935 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4936 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
3196a88a 4937 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
a2fbb9ea
ET		 4938
4939 /* Write 0 to parser credits for CFC search request */
4940 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4941
4942 /* send Ethernet packet */
4943 bnx2x_lb_pckt(bp);
4944
4945 /* TODO do i reset NIG statistic? */
4946 /* Wait until NIG register shows 1 packet of size 0x10 */
4947 count = 1000 * factor;
4948 while (count) {
34f80b04 4949
a2fbb9ea
ET		 4950 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4951 val = *bnx2x_sp(bp, wb_data[0]);
a2fbb9ea
ET		 4952 if (val == 0x10)
4953 break;
4954
4955 msleep(10);
4956 count--;
4957 }
4958 if (val != 0x10) {
4959 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4960 return -1;
4961 }
4962
4963 /* Wait until PRS register shows 1 packet */
4964 count = 1000 * factor;
4965 while (count) {
4966 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
a2fbb9ea
ET		 4967 if (val == 1)
4968 break;
4969
4970 msleep(10);
4971 count--;
4972 }
4973 if (val != 0x1) {
4974 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4975 return -2;
4976 }
4977
4978 /* Reset and init BRB, PRS */
34f80b04 4979 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
a2fbb9ea 4980 msleep(50);
34f80b04 4981 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
a2fbb9ea
ET		 4982 msleep(50);
4983 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4984 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4985
4986 DP(NETIF_MSG_HW, "part2\n");
4987
4988 /* Disable inputs of parser neighbor blocks */
4989 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4990 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4991 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
3196a88a 4992 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
a2fbb9ea
ET		 4993
4994 /* Write 0 to parser credits for CFC search request */
4995 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4996
4997 /* send 10 Ethernet packets */
4998 for (i = 0; i < 10; i++)
4999 bnx2x_lb_pckt(bp);
5000
5001 /* Wait until NIG register shows 10 + 1
5002 packets of size 11*0x10 = 0xb0 */
5003 count = 1000 * factor;
5004 while (count) {
34f80b04 5005
a2fbb9ea
ET		 5006 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5007 val = *bnx2x_sp(bp, wb_data[0]);
a2fbb9ea
ET		 5008 if (val == 0xb0)
5009 break;
5010
5011 msleep(10);
5012 count--;
5013 }
5014 if (val != 0xb0) {
5015 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5016 return -3;
5017 }
5018
5019 /* Wait until PRS register shows 2 packets */
5020 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5021 if (val != 2)
5022 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5023
5024 /* Write 1 to parser credits for CFC search request */
5025 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5026
5027 /* Wait until PRS register shows 3 packets */
5028 msleep(10 * factor);
5029 /* Wait until NIG register shows 1 packet of size 0x10 */
5030 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5031 if (val != 3)
5032 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5033
5034 /* clear NIG EOP FIFO */
5035 for (i = 0; i < 11; i++)
5036 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5037 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5038 if (val != 1) {
5039 BNX2X_ERR("clear of NIG failed\n");
5040 return -4;
5041 }
5042
5043 /* Reset and init BRB, PRS, NIG */
5044 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5045 msleep(50);
5046 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5047 msleep(50);
5048 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5049 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5050#ifndef BCM_ISCSI
5051 /* set NIC mode */
5052 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5053#endif
5054
5055 /* Enable inputs of parser neighbor blocks */
5056 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5057 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5058 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
3196a88a 5059 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
a2fbb9ea
ET		 5060
5061 DP(NETIF_MSG_HW, "done\n");
5062
5063 return 0; /* OK */
5064}
5065
5066static void enable_blocks_attention(struct bnx2x *bp)
5067{
5068 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5069 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5070 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5071 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5072 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5073 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5074 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5075 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5076 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
34f80b04
EG		 5077/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5078/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
a2fbb9ea
ET		 5079 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5080 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5081 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
34f80b04
EG		 5082/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5083/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
a2fbb9ea
ET		 5084 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5085 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5086 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5087 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
34f80b04
EG		 5088/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5089/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5090 if (CHIP_REV_IS_FPGA(bp))
5091 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5092 else
5093 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
a2fbb9ea
ET		 5094 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5095 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5096 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
34f80b04
EG		 5097/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5098/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
a2fbb9ea
ET		 5099 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5100 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
34f80b04
EG		 5101/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5102 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
a2fbb9ea
ET		 5103}
5104
34f80b04
EG		 5105
5106static int bnx2x_init_common(struct bnx2x *bp)
a2fbb9ea 5107{
a2fbb9ea 5108 u32 val, i;
a2fbb9ea 5109
34f80b04 5110 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
a2fbb9ea 5111
34f80b04
EG		 5112 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5113 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
a2fbb9ea 5114
34f80b04
EG		 5115 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5116 if (CHIP_IS_E1H(bp))
5117 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
a2fbb9ea 5118
34f80b04
EG		 5119 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5120 msleep(30);
5121 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
a2fbb9ea 5122
34f80b04
EG		 5123 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5124 if (CHIP_IS_E1(bp)) {
5125 /* enable HW interrupt from PXP on USDM overflow
5126 bit 16 on INT_MASK_0 */
5127 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5128 }
a2fbb9ea 5129
34f80b04
EG		 5130 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5131 bnx2x_init_pxp(bp);
a2fbb9ea
ET		 5132
5133#ifdef __BIG_ENDIAN
34f80b04
EG		 5134 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5135 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5136 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5137 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5138 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5139 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
5140
5141/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5142 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5143 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5144 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5145 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
a2fbb9ea
ET		 5146#endif
5147
34f80b04 5148 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
a2fbb9ea 5149#ifdef BCM_ISCSI
34f80b04
EG		 5150 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5151 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5152 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
a2fbb9ea
ET		 5153#endif
5154
34f80b04
EG		 5155 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5156 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
a2fbb9ea 5157
34f80b04
EG		 5158 /* let the HW do it's magic ... */
5159 msleep(100);
5160 /* finish PXP init */
5161 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5162 if (val != 1) {
5163 BNX2X_ERR("PXP2 CFG failed\n");
5164 return -EBUSY;
5165 }
5166 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5167 if (val != 1) {
5168 BNX2X_ERR("PXP2 RD_INIT failed\n");
5169 return -EBUSY;
5170 }
a2fbb9ea 5171
34f80b04
EG		 5172 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5173 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
a2fbb9ea 5174
34f80b04 5175 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
a2fbb9ea 5176
34f80b04
EG		 5177 /* clean the DMAE memory */
5178 bp->dmae_ready = 1;
5179 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
a2fbb9ea 5180
34f80b04
EG		 5181 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5182 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5183 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5184 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
a2fbb9ea 5185
34f80b04
EG		 5186 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5187 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5188 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5189 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5190
5191 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5192 /* soft reset pulse */
5193 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5194 REG_WR(bp, QM_REG_SOFT_RESET, 0);
a2fbb9ea
ET		 5195
5196#ifdef BCM_ISCSI
34f80b04 5197 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
a2fbb9ea 5198#endif
a2fbb9ea 5199
34f80b04
EG		 5200 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5201 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5202 if (!CHIP_REV_IS_SLOW(bp)) {
5203 /* enable hw interrupt from doorbell Q */
5204 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5205 }
a2fbb9ea 5206
34f80b04
EG		 5207 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5208 if (CHIP_REV_IS_SLOW(bp)) {
5209 /* fix for emulation and FPGA for no pause */
5210 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5211 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5212 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5213 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5214 }
a2fbb9ea 5215
34f80b04 5216 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
3196a88a
EG		 5217 /* set NIC mode */
5218 REG_WR(bp, PRS_REG_NIC_MODE, 1);
34f80b04
EG		 5219 if (CHIP_IS_E1H(bp))
5220 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
a2fbb9ea 5221
34f80b04
EG		 5222 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5223 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5224 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5225 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
a2fbb9ea 5226
34f80b04
EG		 5227 if (CHIP_IS_E1H(bp)) {
5228 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5229 STORM_INTMEM_SIZE_E1H/2);
5230 bnx2x_init_fill(bp,
5231 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5232 0, STORM_INTMEM_SIZE_E1H/2);
5233 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5234 STORM_INTMEM_SIZE_E1H/2);
5235 bnx2x_init_fill(bp,
5236 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5237 0, STORM_INTMEM_SIZE_E1H/2);
5238 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5239 STORM_INTMEM_SIZE_E1H/2);
5240 bnx2x_init_fill(bp,
5241 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5242 0, STORM_INTMEM_SIZE_E1H/2);
5243 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5244 STORM_INTMEM_SIZE_E1H/2);
5245 bnx2x_init_fill(bp,
5246 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5247 0, STORM_INTMEM_SIZE_E1H/2);
5248 } else { /* E1 */
ad8d3948
EG		 5249 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5250 STORM_INTMEM_SIZE_E1);
5251 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5252 STORM_INTMEM_SIZE_E1);
5253 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5254 STORM_INTMEM_SIZE_E1);
5255 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5256 STORM_INTMEM_SIZE_E1);
34f80b04 5257 }
a2fbb9ea 5258
34f80b04
EG		 5259 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5260 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5261 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5262 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
a2fbb9ea 5263
34f80b04
EG		 5264 /* sync semi rtc */
5265 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5266 0x80000000);
5267 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5268 0x80000000);
a2fbb9ea 5269
34f80b04
EG		 5270 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5271 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5272 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
a2fbb9ea 5273
34f80b04
EG		 5274 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5275 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5276 REG_WR(bp, i, 0xc0cac01a);
5277 /* TODO: replace with something meaningful */
5278 }
5279 if (CHIP_IS_E1H(bp))
5280 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5281 REG_WR(bp, SRC_REG_SOFT_RST, 0);
a2fbb9ea 5282
34f80b04
EG		 5283 if (sizeof(union cdu_context) != 1024)
5284 /* we currently assume that a context is 1024 bytes */
5285 printk(KERN_ALERT PFX "please adjust the size of"
5286 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
a2fbb9ea 5287
34f80b04
EG		 5288 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5289 val = (4 << 24) + (0 << 12) + 1024;
5290 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5291 if (CHIP_IS_E1(bp)) {
5292 /* !!! fix pxp client crdit until excel update */
5293 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5294 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5295 }
a2fbb9ea 5296
34f80b04
EG		 5297 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5298 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
a2fbb9ea 5299
34f80b04
EG		 5300 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5301 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
a2fbb9ea 5302
34f80b04
EG		 5303 /* PXPCS COMMON comes here */
5304 /* Reset PCIE errors for debug */
5305 REG_WR(bp, 0x2814, 0xffffffff);
5306 REG_WR(bp, 0x3820, 0xffffffff);
a2fbb9ea 5307
34f80b04
EG		 5308 /* EMAC0 COMMON comes here */
5309 /* EMAC1 COMMON comes here */
5310 /* DBU COMMON comes here */
5311 /* DBG COMMON comes here */
5312
5313 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5314 if (CHIP_IS_E1H(bp)) {
5315 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5316 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5317 }
5318
5319 if (CHIP_REV_IS_SLOW(bp))
5320 msleep(200);
5321
5322 /* finish CFC init */
5323 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5324 if (val != 1) {
5325 BNX2X_ERR("CFC LL_INIT failed\n");
5326 return -EBUSY;
5327 }
5328 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5329 if (val != 1) {
5330 BNX2X_ERR("CFC AC_INIT failed\n");
5331 return -EBUSY;
5332 }
5333 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5334 if (val != 1) {
5335 BNX2X_ERR("CFC CAM_INIT failed\n");
5336 return -EBUSY;
5337 }
5338 REG_WR(bp, CFC_REG_DEBUG0, 0);
f1410647 5339
34f80b04
EG		 5340 /* read NIG statistic
5341 to see if this is our first up since powerup */
5342 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5343 val = *bnx2x_sp(bp, wb_data[0]);
5344
5345 /* do internal memory self test */
5346 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5347 BNX2X_ERR("internal mem self test failed\n");
5348 return -EBUSY;
5349 }
5350
5351 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
7add905f 5352 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
34f80b04
EG		 5353 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5354 /* Fan failure is indicated by SPIO 5 */
5355 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5356 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5357
5358 /* set to active low mode */
5359 val = REG_RD(bp, MISC_REG_SPIO_INT);
5360 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
f1410647 5361 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
34f80b04 5362 REG_WR(bp, MISC_REG_SPIO_INT, val);
f1410647 5363
34f80b04
EG		 5364 /* enable interrupt to signal the IGU */
5365 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5366 val |= (1 << MISC_REGISTERS_SPIO_5);
5367 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5368 break;
f1410647 5369
34f80b04
EG		 5370 default:
5371 break;
5372 }
f1410647 5373
34f80b04
EG		 5374 /* clear PXP2 attentions */
5375 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
a2fbb9ea 5376
34f80b04 5377 enable_blocks_attention(bp);
a2fbb9ea 5378
6bbca910
YR		 5379 if (!BP_NOMCP(bp)) {
5380 bnx2x_acquire_phy_lock(bp);
5381 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5382 bnx2x_release_phy_lock(bp);
5383 } else
5384 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5385
34f80b04
EG		 5386 return 0;
5387}
a2fbb9ea 5388
34f80b04
EG		 5389static int bnx2x_init_port(struct bnx2x *bp)
5390{
5391 int port = BP_PORT(bp);
5392 u32 val;
a2fbb9ea 5393
34f80b04
EG		 5394 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5395
5396 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
a2fbb9ea
ET		 5397
5398 /* Port PXP comes here */
5399 /* Port PXP2 comes here */
a2fbb9ea
ET		 5400#ifdef BCM_ISCSI
5401 /* Port0 1
5402 * Port1 385 */
5403 i++;
5404 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5405 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5406 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5407 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5408
5409 /* Port0 2
5410 * Port1 386 */
5411 i++;
5412 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5413 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5414 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5415 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5416
5417 /* Port0 3
5418 * Port1 387 */
5419 i++;
5420 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5421 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5422 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5423 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5424#endif
34f80b04 5425 /* Port CMs come here */
a2fbb9ea
ET		 5426
5427 /* Port QM comes here */
a2fbb9ea
ET		 5428#ifdef BCM_ISCSI
5429 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5430 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5431
5432 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5433 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5434#endif
5435 /* Port DQ comes here */
5436 /* Port BRB1 comes here */
ad8d3948 5437 /* Port PRS comes here */
a2fbb9ea
ET		 5438 /* Port TSDM comes here */
5439 /* Port CSDM comes here */
5440 /* Port USDM comes here */
5441 /* Port XSDM comes here */
34f80b04
EG		 5442 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5443 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5444 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5445 port ? USEM_PORT1_END : USEM_PORT0_END);
5446 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5447 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5448 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5449 port ? XSEM_PORT1_END : XSEM_PORT0_END);
a2fbb9ea 5450 /* Port UPB comes here */
34f80b04
EG		 5451 /* Port XPB comes here */
5452
5453 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5454 port ? PBF_PORT1_END : PBF_PORT0_END);
a2fbb9ea
ET		 5455
5456 /* configure PBF to work without PAUSE mtu 9000 */
34f80b04 5457 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
a2fbb9ea
ET		 5458
5459 /* update threshold */
34f80b04 5460 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
a2fbb9ea 5461 /* update init credit */
34f80b04 5462 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
a2fbb9ea
ET		 5463
5464 /* probe changes */
34f80b04 5465 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
a2fbb9ea 5466 msleep(5);
34f80b04 5467 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
a2fbb9ea
ET		 5468
5469#ifdef BCM_ISCSI
5470 /* tell the searcher where the T2 table is */
5471 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5472
5473 wb_write[0] = U64_LO(bp->t2_mapping);
5474 wb_write[1] = U64_HI(bp->t2_mapping);
5475 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5476 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5477 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5478 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5479
5480 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5481 /* Port SRCH comes here */
5482#endif
5483 /* Port CDU comes here */
5484 /* Port CFC comes here */
34f80b04
EG		 5485
5486 if (CHIP_IS_E1(bp)) {
5487 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5488 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5489 }
5490 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5491 port ? HC_PORT1_END : HC_PORT0_END);
5492
5493 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
a2fbb9ea 5494 MISC_AEU_PORT0_START,
34f80b04
EG		 5495 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5496 /* init aeu_mask_attn_func_0/1:
5497 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5498 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5499 * bits 4-7 are used for "per vn group attention" */
5500 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5501 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5502
a2fbb9ea
ET		 5503 /* Port PXPCS comes here */
5504 /* Port EMAC0 comes here */
5505 /* Port EMAC1 comes here */
5506 /* Port DBU comes here */
5507 /* Port DBG comes here */
34f80b04
EG		 5508 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5509 port ? NIG_PORT1_END : NIG_PORT0_END);
5510
5511 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5512
5513 if (CHIP_IS_E1H(bp)) {
5514 u32 wsum;
5515 struct cmng_struct_per_port m_cmng_port;
5516 int vn;
5517
5518 /* 0x2 disable e1hov, 0x1 enable */
5519 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5520 (IS_E1HMF(bp) ? 0x1 : 0x2));
5521
5522 /* Init RATE SHAPING and FAIRNESS contexts.
5523 Initialize as if there is 10G link. */
5524 wsum = bnx2x_calc_vn_wsum(bp);
5525 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5526 if (IS_E1HMF(bp))
5527 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5528 bnx2x_init_vn_minmax(bp, 2*vn + port,
5529 wsum, 10000, &m_cmng_port);
5530 }
5531
a2fbb9ea
ET		 5532 /* Port MCP comes here */
5533 /* Port DMAE comes here */
5534
34f80b04 5535 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
7add905f 5536 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
f1410647
ET		 5537 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5538 /* add SPIO 5 to group 0 */
5539 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5540 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5541 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5542 break;
5543
5544 default:
5545 break;
5546 }
5547
c18487ee 5548 bnx2x__link_reset(bp);
a2fbb9ea 5549
34f80b04
EG		 5550 return 0;
5551}
5552
5553#define ILT_PER_FUNC (768/2)
5554#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5555/* the phys address is shifted right 12 bits and has an added
5556 1=valid bit added to the 53rd bit
5557 then since this is a wide register(TM)
5558 we split it into two 32 bit writes
5559 */
5560#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5561#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5562#define PXP_ONE_ILT(x) (((x) << 10) | x)
5563#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5564
5565#define CNIC_ILT_LINES 0
5566
5567static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5568{
5569 int reg;
5570
5571 if (CHIP_IS_E1H(bp))
5572 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5573 else /* E1 */
5574 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5575
5576 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5577}
5578
5579static int bnx2x_init_func(struct bnx2x *bp)
5580{
5581 int port = BP_PORT(bp);
5582 int func = BP_FUNC(bp);
5583 int i;
5584
5585 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5586
5587 i = FUNC_ILT_BASE(func);
5588
5589 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5590 if (CHIP_IS_E1H(bp)) {
5591 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5592 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5593 } else /* E1 */
5594 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5595 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5596
5597
5598 if (CHIP_IS_E1H(bp)) {
5599 for (i = 0; i < 9; i++)
5600 bnx2x_init_block(bp,
5601 cm_start[func][i], cm_end[func][i]);
5602
5603 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5604 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5605 }
5606
5607 /* HC init per function */
5608 if (CHIP_IS_E1H(bp)) {
5609 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5610
5611 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5612 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5613 }
5614 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5615
5616 if (CHIP_IS_E1H(bp))
5617 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5618
c14423fe 5619 /* Reset PCIE errors for debug */
a2fbb9ea
ET		 5620 REG_WR(bp, 0x2114, 0xffffffff);
5621 REG_WR(bp, 0x2120, 0xffffffff);
a2fbb9ea 5622
34f80b04
EG		 5623 return 0;
5624}
5625
5626static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5627{
5628 int i, rc = 0;
a2fbb9ea 5629
34f80b04
EG		 5630 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5631 BP_FUNC(bp), load_code);
a2fbb9ea 5632
34f80b04
EG		 5633 bp->dmae_ready = 0;
5634 mutex_init(&bp->dmae_mutex);
5635 bnx2x_gunzip_init(bp);
a2fbb9ea 5636
34f80b04
EG		 5637 switch (load_code) {
5638 case FW_MSG_CODE_DRV_LOAD_COMMON:
5639 rc = bnx2x_init_common(bp);
5640 if (rc)
5641 goto init_hw_err;
5642 /* no break */
5643
5644 case FW_MSG_CODE_DRV_LOAD_PORT:
5645 bp->dmae_ready = 1;
5646 rc = bnx2x_init_port(bp);
5647 if (rc)
5648 goto init_hw_err;
5649 /* no break */
5650
5651 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5652 bp->dmae_ready = 1;
5653 rc = bnx2x_init_func(bp);
5654 if (rc)
5655 goto init_hw_err;
5656 break;
5657
5658 default:
5659 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5660 break;
5661 }
5662
5663 if (!BP_NOMCP(bp)) {
5664 int func = BP_FUNC(bp);
a2fbb9ea
ET		 5665
5666 bp->fw_drv_pulse_wr_seq =
34f80b04 5667 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
a2fbb9ea 5668 DRV_PULSE_SEQ_MASK);
34f80b04
EG		 5669 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5670 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5671 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5672 } else
5673 bp->func_stx = 0;
a2fbb9ea 5674
34f80b04
EG		 5675 /* this needs to be done before gunzip end */
5676 bnx2x_zero_def_sb(bp);
5677 for_each_queue(bp, i)
5678 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5679
5680init_hw_err:
5681 bnx2x_gunzip_end(bp);
5682
5683 return rc;
a2fbb9ea
ET		 5684}
5685
c14423fe 5686/* send the MCP a request, block until there is a reply */
a2fbb9ea
ET		 5687static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5688{
34f80b04 5689 int func = BP_FUNC(bp);
f1410647
ET		 5690 u32 seq = ++bp->fw_seq;
5691 u32 rc = 0;
19680c48
EG		 5692 u32 cnt = 1;
5693 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
a2fbb9ea 5694
34f80b04 5695 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
f1410647 5696 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
a2fbb9ea 5697
19680c48
EG		 5698 do {
5699 /* let the FW do it's magic ... */
5700 msleep(delay);
a2fbb9ea 5701
19680c48 5702 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
a2fbb9ea 5703
19680c48
EG		 5704 /* Give the FW up to 2 second (200*10ms) */
5705 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5706
5707 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5708 cnt*delay, rc, seq);
a2fbb9ea
ET		 5709
5710 /* is this a reply to our command? */
5711 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5712 rc &= FW_MSG_CODE_MASK;
f1410647 5713
a2fbb9ea
ET		 5714 } else {
5715 /* FW BUG! */
5716 BNX2X_ERR("FW failed to respond!\n");
5717 bnx2x_fw_dump(bp);
5718 rc = 0;
5719 }
f1410647 5720
a2fbb9ea
ET		 5721 return rc;
5722}
5723
5724static void bnx2x_free_mem(struct bnx2x *bp)
5725{
5726
5727#define BNX2X_PCI_FREE(x, y, size) \
5728 do { \
5729 if (x) { \
5730 pci_free_consistent(bp->pdev, size, x, y); \
5731 x = NULL; \
5732 y = 0; \
5733 } \
5734 } while (0)
5735
5736#define BNX2X_FREE(x) \
5737 do { \
5738 if (x) { \
5739 vfree(x); \
5740 x = NULL; \
5741 } \
5742 } while (0)
5743
5744 int i;
5745
5746 /* fastpath */
5747 for_each_queue(bp, i) {
5748
5749 /* Status blocks */
5750 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5751 bnx2x_fp(bp, i, status_blk_mapping),
5752 sizeof(struct host_status_block) +
5753 sizeof(struct eth_tx_db_data));
5754
5755 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5756 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5757 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5758 bnx2x_fp(bp, i, tx_desc_mapping),
5759 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5760
5761 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5762 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5763 bnx2x_fp(bp, i, rx_desc_mapping),
5764 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5765
5766 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5767 bnx2x_fp(bp, i, rx_comp_mapping),
5768 sizeof(struct eth_fast_path_rx_cqe) *
5769 NUM_RCQ_BD);
a2fbb9ea 5770
7a9b2557 5771 /* SGE ring */
32626230 5772 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
7a9b2557
VZ		 5773 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5774 bnx2x_fp(bp, i, rx_sge_mapping),
5775 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5776 }
a2fbb9ea
ET		 5777 /* end of fastpath */
5778
5779 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
34f80b04 5780 sizeof(struct host_def_status_block));
a2fbb9ea
ET		 5781
5782 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
34f80b04 5783 sizeof(struct bnx2x_slowpath));
a2fbb9ea
ET		 5784
5785#ifdef BCM_ISCSI
5786 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5787 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5788 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5789 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5790#endif
7a9b2557 5791 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
a2fbb9ea
ET		 5792
5793#undef BNX2X_PCI_FREE
5794#undef BNX2X_KFREE
5795}
5796
5797static int bnx2x_alloc_mem(struct bnx2x *bp)
5798{
5799
5800#define BNX2X_PCI_ALLOC(x, y, size) \
5801 do { \
5802 x = pci_alloc_consistent(bp->pdev, size, y); \
5803 if (x == NULL) \
5804 goto alloc_mem_err; \
5805 memset(x, 0, size); \
5806 } while (0)
5807
5808#define BNX2X_ALLOC(x, size) \
5809 do { \
5810 x = vmalloc(size); \
5811 if (x == NULL) \
5812 goto alloc_mem_err; \
5813 memset(x, 0, size); \
5814 } while (0)
5815
5816 int i;
5817
5818 /* fastpath */
a2fbb9ea
ET		 5819 for_each_queue(bp, i) {
5820 bnx2x_fp(bp, i, bp) = bp;
5821
5822 /* Status blocks */
5823 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5824 &bnx2x_fp(bp, i, status_blk_mapping),
5825 sizeof(struct host_status_block) +
5826 sizeof(struct eth_tx_db_data));
5827
5828 bnx2x_fp(bp, i, hw_tx_prods) =
5829 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5830
5831 bnx2x_fp(bp, i, tx_prods_mapping) =
5832 bnx2x_fp(bp, i, status_blk_mapping) +
5833 sizeof(struct host_status_block);
5834
5835 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5836 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5837 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5838 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5839 &bnx2x_fp(bp, i, tx_desc_mapping),
5840 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5841
5842 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5843 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5844 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5845 &bnx2x_fp(bp, i, rx_desc_mapping),
5846 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5847
5848 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5849 &bnx2x_fp(bp, i, rx_comp_mapping),
5850 sizeof(struct eth_fast_path_rx_cqe) *
5851 NUM_RCQ_BD);
5852
7a9b2557
VZ		 5853 /* SGE ring */
5854 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5855 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5856 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5857 &bnx2x_fp(bp, i, rx_sge_mapping),
5858 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
a2fbb9ea
ET		 5859 }
5860 /* end of fastpath */
5861
5862 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5863 sizeof(struct host_def_status_block));
5864
5865 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5866 sizeof(struct bnx2x_slowpath));
5867
5868#ifdef BCM_ISCSI
5869 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5870
5871 /* Initialize T1 */
5872 for (i = 0; i < 64*1024; i += 64) {
5873 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5874 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5875 }
5876
5877 /* allocate searcher T2 table
5878 we allocate 1/4 of alloc num for T2
5879 (which is not entered into the ILT) */
5880 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5881
5882 /* Initialize T2 */
5883 for (i = 0; i < 16*1024; i += 64)
5884 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5885
c14423fe 5886 /* now fixup the last line in the block to point to the next block */
a2fbb9ea
ET		 5887 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5888
5889 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5890 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5891
5892 /* QM queues (128*MAX_CONN) */
5893 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5894#endif
5895
5896 /* Slow path ring */
5897 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5898
5899 return 0;
5900
5901alloc_mem_err:
5902 bnx2x_free_mem(bp);
5903 return -ENOMEM;
5904
5905#undef BNX2X_PCI_ALLOC
5906#undef BNX2X_ALLOC
5907}
5908
5909static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5910{
5911 int i;
5912
5913 for_each_queue(bp, i) {
5914 struct bnx2x_fastpath *fp = &bp->fp[i];
5915
5916 u16 bd_cons = fp->tx_bd_cons;
5917 u16 sw_prod = fp->tx_pkt_prod;
5918 u16 sw_cons = fp->tx_pkt_cons;
5919
a2fbb9ea
ET		 5920 while (sw_cons != sw_prod) {
5921 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5922 sw_cons++;
5923 }
5924 }
5925}
5926
5927static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5928{
5929 int i, j;
5930
5931 for_each_queue(bp, j) {
5932 struct bnx2x_fastpath *fp = &bp->fp[j];
5933
a2fbb9ea
ET		 5934 for (i = 0; i < NUM_RX_BD; i++) {
5935 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5936 struct sk_buff *skb = rx_buf->skb;
5937
5938 if (skb == NULL)
5939 continue;
5940
5941 pci_unmap_single(bp->pdev,
5942 pci_unmap_addr(rx_buf, mapping),
437cf2f1 5943 bp->rx_buf_size,
a2fbb9ea
ET		 5944 PCI_DMA_FROMDEVICE);
5945
5946 rx_buf->skb = NULL;
5947 dev_kfree_skb(skb);
5948 }
7a9b2557 5949 if (!fp->disable_tpa)
32626230
EG		 5950 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5951 ETH_MAX_AGGREGATION_QUEUES_E1 :
7a9b2557 5952 ETH_MAX_AGGREGATION_QUEUES_E1H);
a2fbb9ea
ET		 5953 }
5954}
5955
5956static void bnx2x_free_skbs(struct bnx2x *bp)
5957{
5958 bnx2x_free_tx_skbs(bp);
5959 bnx2x_free_rx_skbs(bp);
5960}
5961
5962static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5963{
34f80b04 5964 int i, offset = 1;
a2fbb9ea
ET		 5965
5966 free_irq(bp->msix_table[0].vector, bp->dev);
c14423fe 5967 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
a2fbb9ea
ET		 5968 bp->msix_table[0].vector);
5969
5970 for_each_queue(bp, i) {
c14423fe 5971 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
34f80b04 5972 "state %x\n", i, bp->msix_table[i + offset].vector,
a2fbb9ea
ET		 5973 bnx2x_fp(bp, i, state));
5974
228241eb
ET		 5975 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5976 BNX2X_ERR("IRQ of fp #%d being freed while "
5977 "state != closed\n", i);
a2fbb9ea 5978
34f80b04 5979 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
a2fbb9ea 5980 }
a2fbb9ea
ET		 5981}
5982
5983static void bnx2x_free_irq(struct bnx2x *bp)
5984{
a2fbb9ea 5985 if (bp->flags & USING_MSIX_FLAG) {
a2fbb9ea
ET		 5986 bnx2x_free_msix_irqs(bp);
5987 pci_disable_msix(bp->pdev);
a2fbb9ea
ET		 5988 bp->flags &= ~USING_MSIX_FLAG;
5989
5990 } else
5991 free_irq(bp->pdev->irq, bp->dev);
5992}
5993
5994static int bnx2x_enable_msix(struct bnx2x *bp)
5995{
34f80b04 5996 int i, rc, offset;
a2fbb9ea
ET		 5997
5998 bp->msix_table[0].entry = 0;
34f80b04
EG		 5999 offset = 1;
6000 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
a2fbb9ea 6001
34f80b04
EG		 6002 for_each_queue(bp, i) {
6003 int igu_vec = offset + i + BP_L_ID(bp);
a2fbb9ea 6004
34f80b04
EG		 6005 bp->msix_table[i + offset].entry = igu_vec;
6006 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6007 "(fastpath #%u)\n", i + offset, igu_vec, i);
a2fbb9ea
ET		 6008 }
6009
34f80b04
EG		 6010 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6011 bp->num_queues + offset);
6012 if (rc) {
6013 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6014 return -1;
6015 }
a2fbb9ea
ET		 6016 bp->flags |= USING_MSIX_FLAG;
6017
6018 return 0;
a2fbb9ea
ET		 6019}
6020
a2fbb9ea
ET		 6021static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6022{
34f80b04 6023 int i, rc, offset = 1;
a2fbb9ea 6024
a2fbb9ea
ET		 6025 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6026 bp->dev->name, bp->dev);
a2fbb9ea
ET		 6027 if (rc) {
6028 BNX2X_ERR("request sp irq failed\n");
6029 return -EBUSY;
6030 }
6031
6032 for_each_queue(bp, i) {
34f80b04 6033 rc = request_irq(bp->msix_table[i + offset].vector,
a2fbb9ea
ET		 6034 bnx2x_msix_fp_int, 0,
6035 bp->dev->name, &bp->fp[i]);
a2fbb9ea 6036 if (rc) {
3196a88a
EG		 6037 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6038 i + offset, -rc);
a2fbb9ea
ET		 6039 bnx2x_free_msix_irqs(bp);
6040 return -EBUSY;
6041 }
6042
6043 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
a2fbb9ea
ET		 6044 }
6045
6046 return 0;
a2fbb9ea
ET		 6047}
6048
6049static int bnx2x_req_irq(struct bnx2x *bp)
6050{
34f80b04 6051 int rc;
a2fbb9ea 6052
34f80b04
EG		 6053 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6054 bp->dev->name, bp->dev);
a2fbb9ea
ET		 6055 if (!rc)
6056 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6057
6058 return rc;
a2fbb9ea
ET		 6059}
6060
65abd74d
YG		 6061static void bnx2x_napi_enable(struct bnx2x *bp)
6062{
6063 int i;
6064
6065 for_each_queue(bp, i)
6066 napi_enable(&bnx2x_fp(bp, i, napi));
6067}
6068
6069static void bnx2x_napi_disable(struct bnx2x *bp)
6070{
6071 int i;
6072
6073 for_each_queue(bp, i)
6074 napi_disable(&bnx2x_fp(bp, i, napi));
6075}
6076
6077static void bnx2x_netif_start(struct bnx2x *bp)
6078{
6079 if (atomic_dec_and_test(&bp->intr_sem)) {
6080 if (netif_running(bp->dev)) {
6081 if (bp->state == BNX2X_STATE_OPEN)
6082 netif_wake_queue(bp->dev);
6083 bnx2x_napi_enable(bp);
6084 bnx2x_int_enable(bp);
6085 }
6086 }
6087}
6088
6089static void bnx2x_netif_stop(struct bnx2x *bp)
6090{
6091 bnx2x_int_disable_sync(bp);
6092 if (netif_running(bp->dev)) {
6093 bnx2x_napi_disable(bp);
6094 netif_tx_disable(bp->dev);
6095 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6096 }
6097}
6098
a2fbb9ea
ET		 6099/*
6100 * Init service functions
6101 */
6102
3101c2bc 6103static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
a2fbb9ea
ET		 6104{
6105 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
34f80b04 6106 int port = BP_PORT(bp);
a2fbb9ea
ET		 6107
6108 /* CAM allocation
6109 * unicasts 0-31:port0 32-63:port1
6110 * multicast 64-127:port0 128-191:port1
6111 */
6112 config->hdr.length_6b = 2;
34f80b04
EG		 6113 config->hdr.offset = port ? 31 : 0;
6114 config->hdr.client_id = BP_CL_ID(bp);
a2fbb9ea
ET		 6115 config->hdr.reserved1 = 0;
6116
6117 /* primary MAC */
6118 config->config_table[0].cam_entry.msb_mac_addr =
6119 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6120 config->config_table[0].cam_entry.middle_mac_addr =
6121 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6122 config->config_table[0].cam_entry.lsb_mac_addr =
6123 swab16(*(u16 *)&bp->dev->dev_addr[4]);
34f80b04 6124 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
3101c2bc
YG		 6125 if (set)
6126 config->config_table[0].target_table_entry.flags = 0;
6127 else
6128 CAM_INVALIDATE(config->config_table[0]);
a2fbb9ea
ET		 6129 config->config_table[0].target_table_entry.client_id = 0;
6130 config->config_table[0].target_table_entry.vlan_id = 0;
6131
3101c2bc
YG		 6132 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6133 (set ? "setting" : "clearing"),
a2fbb9ea
ET		 6134 config->config_table[0].cam_entry.msb_mac_addr,
6135 config->config_table[0].cam_entry.middle_mac_addr,
6136 config->config_table[0].cam_entry.lsb_mac_addr);
6137
6138 /* broadcast */
6139 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6140 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6141 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
34f80b04 6142 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
3101c2bc
YG		 6143 if (set)
6144 config->config_table[1].target_table_entry.flags =
a2fbb9ea 6145 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
3101c2bc
YG		 6146 else
6147 CAM_INVALIDATE(config->config_table[1]);
a2fbb9ea
ET		 6148 config->config_table[1].target_table_entry.client_id = 0;
6149 config->config_table[1].target_table_entry.vlan_id = 0;
6150
6151 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6152 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6153 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6154}
6155
3101c2bc 6156static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
34f80b04
EG		 6157{
6158 struct mac_configuration_cmd_e1h *config =
6159 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6160
3101c2bc 6161 if (set && (bp->state != BNX2X_STATE_OPEN)) {
34f80b04
EG		 6162 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6163 return;
6164 }
6165
6166 /* CAM allocation for E1H
6167 * unicasts: by func number
6168 * multicast: 20+FUNC*20, 20 each
6169 */
6170 config->hdr.length_6b = 1;
6171 config->hdr.offset = BP_FUNC(bp);
6172 config->hdr.client_id = BP_CL_ID(bp);
6173 config->hdr.reserved1 = 0;
6174
6175 /* primary MAC */
6176 config->config_table[0].msb_mac_addr =
6177 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6178 config->config_table[0].middle_mac_addr =
6179 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6180 config->config_table[0].lsb_mac_addr =
6181 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6182 config->config_table[0].client_id = BP_L_ID(bp);
6183 config->config_table[0].vlan_id = 0;
6184 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
3101c2bc
YG		 6185 if (set)
6186 config->config_table[0].flags = BP_PORT(bp);
6187 else
6188 config->config_table[0].flags =
6189 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
34f80b04 6190
3101c2bc
YG		 6191 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6192 (set ? "setting" : "clearing"),
34f80b04
EG		 6193 config->config_table[0].msb_mac_addr,
6194 config->config_table[0].middle_mac_addr,
6195 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6196
6197 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6198 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6199 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6200}
6201
a2fbb9ea
ET		 6202static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6203 int *state_p, int poll)
6204{
6205 /* can take a while if any port is running */
34f80b04 6206 int cnt = 500;
a2fbb9ea 6207
c14423fe
ET		 6208 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6209 poll ? "polling" : "waiting", state, idx);
a2fbb9ea
ET		 6210
6211 might_sleep();
34f80b04 6212 while (cnt--) {
a2fbb9ea
ET		 6213 if (poll) {
6214 bnx2x_rx_int(bp->fp, 10);
34f80b04
EG		 6215 /* if index is different from 0
6216 * the reply for some commands will
3101c2bc 6217 * be on the non default queue
a2fbb9ea
ET		 6218 */
6219 if (idx)
6220 bnx2x_rx_int(&bp->fp[idx], 10);
6221 }
a2fbb9ea 6222
3101c2bc 6223 mb(); /* state is changed by bnx2x_sp_event() */
49d66772 6224 if (*state_p == state)
a2fbb9ea
ET		 6225 return 0;
6226
a2fbb9ea 6227 msleep(1);
a2fbb9ea
ET		 6228 }
6229
a2fbb9ea 6230 /* timeout! */
49d66772
ET		 6231 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6232 poll ? "polling" : "waiting", state, idx);
34f80b04
EG		 6233#ifdef BNX2X_STOP_ON_ERROR
6234 bnx2x_panic();
6235#endif
a2fbb9ea 6236
49d66772 6237 return -EBUSY;
a2fbb9ea
ET		 6238}
6239
6240static int bnx2x_setup_leading(struct bnx2x *bp)
6241{
34f80b04 6242 int rc;
a2fbb9ea 6243
c14423fe 6244 /* reset IGU state */
34f80b04 6245 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
a2fbb9ea
ET		 6246
6247 /* SETUP ramrod */
6248 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6249
34f80b04
EG		 6250 /* Wait for completion */
6251 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
a2fbb9ea 6252
34f80b04 6253 return rc;
a2fbb9ea
ET		 6254}
6255
6256static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6257{
a2fbb9ea 6258 /* reset IGU state */
34f80b04 6259 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
a2fbb9ea 6260
228241eb 6261 /* SETUP ramrod */
a2fbb9ea
ET		 6262 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6263 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6264
6265 /* Wait for completion */
6266 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
228241eb 6267 &(bp->fp[index].state), 0);
a2fbb9ea
ET		 6268}
6269
a2fbb9ea
ET		 6270static int bnx2x_poll(struct napi_struct *napi, int budget);
6271static void bnx2x_set_rx_mode(struct net_device *dev);
6272
34f80b04
EG		 6273/* must be called with rtnl_lock */
6274static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
a2fbb9ea 6275{
228241eb 6276 u32 load_code;
34f80b04 6277 int i, rc;
34f80b04
EG		 6278#ifdef BNX2X_STOP_ON_ERROR
6279 if (unlikely(bp->panic))
6280 return -EPERM;
6281#endif
a2fbb9ea
ET		 6282
6283 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6284
34f80b04
EG		 6285 /* Send LOAD_REQUEST command to MCP
6286 Returns the type of LOAD command:
6287 if it is the first port to be initialized
6288 common blocks should be initialized, otherwise - not
a2fbb9ea 6289 */
34f80b04 6290 if (!BP_NOMCP(bp)) {
228241eb
ET		 6291 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6292 if (!load_code) {
da5a662a 6293 BNX2X_ERR("MCP response failure, aborting\n");
228241eb
ET		 6294 return -EBUSY;
6295 }
34f80b04 6296 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
a2fbb9ea 6297 return -EBUSY; /* other port in diagnostic mode */
34f80b04 6298
a2fbb9ea 6299 } else {
da5a662a
VZ		 6300 int port = BP_PORT(bp);
6301
34f80b04
EG		 6302 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6303 load_count[0], load_count[1], load_count[2]);
6304 load_count[0]++;
da5a662a 6305 load_count[1 + port]++;
34f80b04
EG		 6306 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6307 load_count[0], load_count[1], load_count[2]);
6308 if (load_count[0] == 1)
6309 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
da5a662a 6310 else if (load_count[1 + port] == 1)
34f80b04
EG		 6311 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6312 else
6313 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
a2fbb9ea
ET		 6314 }
6315
34f80b04
EG		 6316 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6317 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6318 bp->port.pmf = 1;
6319 else
6320 bp->port.pmf = 0;
6321 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6322
6323 /* if we can't use MSI-X we only need one fp,
6324 * so try to enable MSI-X with the requested number of fp's
a2fbb9ea
ET		 6325 * and fallback to inta with one fp
6326 */
34f80b04
EG		 6327 if (use_inta) {
6328 bp->num_queues = 1;
6329
6330 } else {
6331 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6332 /* user requested number */
6333 bp->num_queues = use_multi;
6334
6335 else if (use_multi)
6336 bp->num_queues = min_t(u32, num_online_cpus(),
6337 BP_MAX_QUEUES(bp));
6338 else
a2fbb9ea 6339 bp->num_queues = 1;
34f80b04
EG		 6340
6341 if (bnx2x_enable_msix(bp)) {
6342 /* failed to enable MSI-X */
6343 bp->num_queues = 1;
6344 if (use_multi)
6345 BNX2X_ERR("Multi requested but failed"
6346 " to enable MSI-X\n");
a2fbb9ea
ET		 6347 }
6348 }
34f80b04
EG		 6349 DP(NETIF_MSG_IFUP,
6350 "set number of queues to %d\n", bp->num_queues);
c14423fe 6351
a2fbb9ea
ET		 6352 if (bnx2x_alloc_mem(bp))
6353 return -ENOMEM;
6354
7a9b2557
VZ		 6355 for_each_queue(bp, i)
6356 bnx2x_fp(bp, i, disable_tpa) =
6357 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6358
34f80b04
EG		 6359 if (bp->flags & USING_MSIX_FLAG) {
6360 rc = bnx2x_req_msix_irqs(bp);
6361 if (rc) {
6362 pci_disable_msix(bp->pdev);
6363 goto load_error;
6364 }
6365 } else {
6366 bnx2x_ack_int(bp);
6367 rc = bnx2x_req_irq(bp);
6368 if (rc) {
6369 BNX2X_ERR("IRQ request failed, aborting\n");
6370 goto load_error;
a2fbb9ea
ET		 6371 }
6372 }
6373
6374 for_each_queue(bp, i)
6375 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6376 bnx2x_poll, 128);
6377
a2fbb9ea 6378 /* Initialize HW */
34f80b04
EG		 6379 rc = bnx2x_init_hw(bp, load_code);
6380 if (rc) {
a2fbb9ea 6381 BNX2X_ERR("HW init failed, aborting\n");
d1014634 6382 goto load_int_disable;
a2fbb9ea
ET		 6383 }
6384
a2fbb9ea 6385 /* Setup NIC internals and enable interrupts */
471de716 6386 bnx2x_nic_init(bp, load_code);
a2fbb9ea
ET		 6387
6388 /* Send LOAD_DONE command to MCP */
34f80b04 6389 if (!BP_NOMCP(bp)) {
228241eb
ET		 6390 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6391 if (!load_code) {
da5a662a 6392 BNX2X_ERR("MCP response failure, aborting\n");
34f80b04 6393 rc = -EBUSY;
d1014634 6394 goto load_rings_free;
a2fbb9ea
ET		 6395 }
6396 }
6397
bb2a0f7a
YG		 6398 bnx2x_stats_init(bp);
6399
a2fbb9ea
ET		 6400 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6401
6402 /* Enable Rx interrupt handling before sending the ramrod
6403 as it's completed on Rx FP queue */
65abd74d 6404 bnx2x_napi_enable(bp);
a2fbb9ea 6405
da5a662a
VZ		 6406 /* Enable interrupt handling */
6407 atomic_set(&bp->intr_sem, 0);
6408
34f80b04
EG		 6409 rc = bnx2x_setup_leading(bp);
6410 if (rc) {
da5a662a 6411 BNX2X_ERR("Setup leading failed!\n");
d1014634 6412 goto load_netif_stop;
34f80b04 6413 }
a2fbb9ea 6414
34f80b04
EG		 6415 if (CHIP_IS_E1H(bp))
6416 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6417 BNX2X_ERR("!!! mf_cfg function disabled\n");
6418 bp->state = BNX2X_STATE_DISABLED;
6419 }
a2fbb9ea 6420
34f80b04
EG		 6421 if (bp->state == BNX2X_STATE_OPEN)
6422 for_each_nondefault_queue(bp, i) {
6423 rc = bnx2x_setup_multi(bp, i);
6424 if (rc)
d1014634 6425 goto load_netif_stop;
34f80b04 6426 }
a2fbb9ea 6427
34f80b04 6428 if (CHIP_IS_E1(bp))
3101c2bc 6429 bnx2x_set_mac_addr_e1(bp, 1);
34f80b04 6430 else
3101c2bc 6431 bnx2x_set_mac_addr_e1h(bp, 1);
34f80b04
EG		 6432
6433 if (bp->port.pmf)
6434 bnx2x_initial_phy_init(bp);
a2fbb9ea
ET		 6435
6436 /* Start fast path */
34f80b04
EG		 6437 switch (load_mode) {
6438 case LOAD_NORMAL:
6439 /* Tx queue should be only reenabled */
6440 netif_wake_queue(bp->dev);
6441 bnx2x_set_rx_mode(bp->dev);
6442 break;
6443
6444 case LOAD_OPEN:
a2fbb9ea 6445 netif_start_queue(bp->dev);
34f80b04 6446 bnx2x_set_rx_mode(bp->dev);
a2fbb9ea
ET		 6447 if (bp->flags & USING_MSIX_FLAG)
6448 printk(KERN_INFO PFX "%s: using MSI-X\n",
6449 bp->dev->name);
34f80b04 6450 break;
a2fbb9ea 6451
34f80b04 6452 case LOAD_DIAG:
a2fbb9ea 6453 bnx2x_set_rx_mode(bp->dev);
34f80b04
EG		 6454 bp->state = BNX2X_STATE_DIAG;
6455 break;
6456
6457 default:
6458 break;
a2fbb9ea
ET		 6459 }
6460
34f80b04
EG		 6461 if (!bp->port.pmf)
6462 bnx2x__link_status_update(bp);
6463
a2fbb9ea
ET		 6464 /* start the timer */
6465 mod_timer(&bp->timer, jiffies + bp->current_interval);
6466
34f80b04 6467
a2fbb9ea
ET		 6468 return 0;
6469
d1014634 6470load_netif_stop:
65abd74d 6471 bnx2x_napi_disable(bp);
d1014634 6472load_rings_free:
7a9b2557
VZ		 6473 /* Free SKBs, SGEs, TPA pool and driver internals */
6474 bnx2x_free_skbs(bp);
6475 for_each_queue(bp, i)
3196a88a 6476 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
d1014634
YG		 6477load_int_disable:
6478 bnx2x_int_disable_sync(bp);
6479 /* Release IRQs */
6480 bnx2x_free_irq(bp);
228241eb 6481load_error:
a2fbb9ea
ET		 6482 bnx2x_free_mem(bp);
6483
6484 /* TBD we really need to reset the chip
6485 if we want to recover from this */
34f80b04 6486 return rc;
a2fbb9ea
ET		 6487}
6488
6489static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6490{
a2fbb9ea
ET		 6491 int rc;
6492
c14423fe 6493 /* halt the connection */
a2fbb9ea 6494 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
231fd58a 6495 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
a2fbb9ea 6496
34f80b04 6497 /* Wait for completion */
a2fbb9ea 6498 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
34f80b04 6499 &(bp->fp[index].state), 1);
c14423fe 6500 if (rc) /* timeout */
a2fbb9ea
ET		 6501 return rc;
6502
6503 /* delete cfc entry */
6504 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6505
34f80b04
EG		 6506 /* Wait for completion */
6507 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6508 &(bp->fp[index].state), 1);
6509 return rc;
a2fbb9ea
ET		 6510}
6511
da5a662a 6512static int bnx2x_stop_leading(struct bnx2x *bp)
a2fbb9ea 6513{
49d66772 6514 u16 dsb_sp_prod_idx;
c14423fe 6515 /* if the other port is handling traffic,
a2fbb9ea 6516 this can take a lot of time */
34f80b04
EG		 6517 int cnt = 500;
6518 int rc;
a2fbb9ea
ET		 6519
6520 might_sleep();
6521
6522 /* Send HALT ramrod */
6523 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
34f80b04 6524 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
a2fbb9ea 6525
34f80b04
EG		 6526 /* Wait for completion */
6527 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6528 &(bp->fp[0].state), 1);
6529 if (rc) /* timeout */
da5a662a 6530 return rc;
a2fbb9ea 6531
49d66772 6532 dsb_sp_prod_idx = *bp->dsb_sp_prod;
a2fbb9ea 6533
228241eb 6534 /* Send PORT_DELETE ramrod */
a2fbb9ea
ET		 6535 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6536
49d66772 6537 /* Wait for completion to arrive on default status block
a2fbb9ea
ET		 6538 we are going to reset the chip anyway
6539 so there is not much to do if this times out
6540 */
34f80b04 6541 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
34f80b04
EG		 6542 if (!cnt) {
6543 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6544 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6545 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6546#ifdef BNX2X_STOP_ON_ERROR
6547 bnx2x_panic();
da5a662a
VZ		 6548#else
6549 rc = -EBUSY;
34f80b04
EG		 6550#endif
6551 break;
6552 }
6553 cnt--;
da5a662a 6554 msleep(1);
49d66772
ET		 6555 }
6556 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6557 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
da5a662a
VZ		 6558
6559 return rc;
a2fbb9ea
ET		 6560}
6561
34f80b04
EG		 6562static void bnx2x_reset_func(struct bnx2x *bp)
6563{
6564 int port = BP_PORT(bp);
6565 int func = BP_FUNC(bp);
6566 int base, i;
6567
6568 /* Configure IGU */
6569 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6570 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6571
6572 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6573
6574 /* Clear ILT */
6575 base = FUNC_ILT_BASE(func);
6576 for (i = base; i < base + ILT_PER_FUNC; i++)
6577 bnx2x_ilt_wr(bp, i, 0);
6578}
6579
6580static void bnx2x_reset_port(struct bnx2x *bp)
6581{
6582 int port = BP_PORT(bp);
6583 u32 val;
6584
6585 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6586
6587 /* Do not rcv packets to BRB */
6588 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6589 /* Do not direct rcv packets that are not for MCP to the BRB */
6590 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6591 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6592
6593 /* Configure AEU */
6594 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6595
6596 msleep(100);
6597 /* Check for BRB port occupancy */
6598 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6599 if (val)
6600 DP(NETIF_MSG_IFDOWN,
33471629 6601 "BRB1 is not empty %d blocks are occupied\n", val);
34f80b04
EG		 6602
6603 /* TODO: Close Doorbell port? */
6604}
6605
6606static void bnx2x_reset_common(struct bnx2x *bp)
6607{
6608 /* reset_common */
6609 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6610 0xd3ffff7f);
6611 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6612}
6613
6614static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6615{
6616 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6617 BP_FUNC(bp), reset_code);
6618
6619 switch (reset_code) {
6620 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6621 bnx2x_reset_port(bp);
6622 bnx2x_reset_func(bp);
6623 bnx2x_reset_common(bp);
6624 break;
6625
6626 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6627 bnx2x_reset_port(bp);
6628 bnx2x_reset_func(bp);
6629 break;
6630
6631 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6632 bnx2x_reset_func(bp);
6633 break;
49d66772 6634
34f80b04
EG		 6635 default:
6636 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6637 break;
6638 }
6639}
6640
33471629 6641/* must be called with rtnl_lock */
34f80b04 6642static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
a2fbb9ea 6643{
da5a662a 6644 int port = BP_PORT(bp);
a2fbb9ea 6645 u32 reset_code = 0;
da5a662a 6646 int i, cnt, rc;
a2fbb9ea
ET		 6647
6648 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6649
228241eb
ET		 6650 bp->rx_mode = BNX2X_RX_MODE_NONE;
6651 bnx2x_set_storm_rx_mode(bp);
a2fbb9ea 6652
65abd74d
YG		 6653 bnx2x_netif_stop(bp);
6654 if (!netif_running(bp->dev))
6655 bnx2x_napi_disable(bp);
34f80b04
EG		 6656 del_timer_sync(&bp->timer);
6657 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6658 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
bb2a0f7a 6659 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
34f80b04 6660
da5a662a 6661 /* Wait until tx fast path tasks complete */
228241eb
ET		 6662 for_each_queue(bp, i) {
6663 struct bnx2x_fastpath *fp = &bp->fp[i];
6664
34f80b04
EG		 6665 cnt = 1000;
6666 smp_rmb();
da5a662a
VZ		 6667 while (BNX2X_HAS_TX_WORK(fp)) {
6668
65abd74d 6669 bnx2x_tx_int(fp, 1000);
34f80b04
EG		 6670 if (!cnt) {
6671 BNX2X_ERR("timeout waiting for queue[%d]\n",
6672 i);
6673#ifdef BNX2X_STOP_ON_ERROR
6674 bnx2x_panic();
6675 return -EBUSY;
6676#else
6677 break;
6678#endif
6679 }
6680 cnt--;
da5a662a 6681 msleep(1);
34f80b04
EG		 6682 smp_rmb();
6683 }
228241eb 6684 }
da5a662a
VZ		 6685 /* Give HW time to discard old tx messages */
6686 msleep(1);
a2fbb9ea 6687
34f80b04
EG		 6688 /* Release IRQs */
6689 bnx2x_free_irq(bp);
6690
3101c2bc
YG		 6691 if (CHIP_IS_E1(bp)) {
6692 struct mac_configuration_cmd *config =
6693 bnx2x_sp(bp, mcast_config);
6694
6695 bnx2x_set_mac_addr_e1(bp, 0);
6696
6697 for (i = 0; i < config->hdr.length_6b; i++)
6698 CAM_INVALIDATE(config->config_table[i]);
6699
6700 config->hdr.length_6b = i;
6701 if (CHIP_REV_IS_SLOW(bp))
6702 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6703 else
6704 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6705 config->hdr.client_id = BP_CL_ID(bp);
6706 config->hdr.reserved1 = 0;
6707
6708 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6709 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6710 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6711
6712 } else { /* E1H */
65abd74d
YG		 6713 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6714
3101c2bc
YG		 6715 bnx2x_set_mac_addr_e1h(bp, 0);
6716
6717 for (i = 0; i < MC_HASH_SIZE; i++)
6718 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6719 }
6720
65abd74d
YG		 6721 if (unload_mode == UNLOAD_NORMAL)
6722 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6723
6724 else if (bp->flags & NO_WOL_FLAG) {
6725 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6726 if (CHIP_IS_E1H(bp))
6727 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6728
6729 } else if (bp->wol) {
6730 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6731 u8 *mac_addr = bp->dev->dev_addr;
6732 u32 val;
6733 /* The mac address is written to entries 1-4 to
6734 preserve entry 0 which is used by the PMF */
6735 u8 entry = (BP_E1HVN(bp) + 1)*8;
6736
6737 val = (mac_addr[0] << 8) | mac_addr[1];
6738 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
6739
6740 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6741 (mac_addr[4] << 8) | mac_addr[5];
6742 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
6743
6744 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6745
6746 } else
6747 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
da5a662a 6748
34f80b04
EG		 6749 /* Close multi and leading connections
6750 Completions for ramrods are collected in a synchronous way */
a2fbb9ea
ET		 6751 for_each_nondefault_queue(bp, i)
6752 if (bnx2x_stop_multi(bp, i))
228241eb 6753 goto unload_error;
a2fbb9ea 6754
da5a662a
VZ		 6755 rc = bnx2x_stop_leading(bp);
6756 if (rc) {
34f80b04 6757 BNX2X_ERR("Stop leading failed!\n");
da5a662a 6758#ifdef BNX2X_STOP_ON_ERROR
34f80b04 6759 return -EBUSY;
da5a662a
VZ		 6760#else
6761 goto unload_error;
34f80b04 6762#endif
228241eb
ET		 6763 }
6764
6765unload_error:
34f80b04 6766 if (!BP_NOMCP(bp))
228241eb 6767 reset_code = bnx2x_fw_command(bp, reset_code);
34f80b04
EG		 6768 else {
6769 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6770 load_count[0], load_count[1], load_count[2]);
6771 load_count[0]--;
da5a662a 6772 load_count[1 + port]--;
34f80b04
EG		 6773 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6774 load_count[0], load_count[1], load_count[2]);
6775 if (load_count[0] == 0)
6776 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
da5a662a 6777 else if (load_count[1 + port] == 0)
34f80b04
EG		 6778 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6779 else
6780 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6781 }
a2fbb9ea 6782
34f80b04
EG		 6783 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6784 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6785 bnx2x__link_reset(bp);
a2fbb9ea
ET		 6786
6787 /* Reset the chip */
228241eb 6788 bnx2x_reset_chip(bp, reset_code);
a2fbb9ea
ET		 6789
6790 /* Report UNLOAD_DONE to MCP */
34f80b04 6791 if (!BP_NOMCP(bp))
a2fbb9ea
ET		 6792 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6793
7a9b2557 6794 /* Free SKBs, SGEs, TPA pool and driver internals */
a2fbb9ea 6795 bnx2x_free_skbs(bp);
7a9b2557 6796 for_each_queue(bp, i)
3196a88a 6797 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
a2fbb9ea
ET		 6798 bnx2x_free_mem(bp);
6799
6800 bp->state = BNX2X_STATE_CLOSED;
228241eb 6801
a2fbb9ea
ET		 6802 netif_carrier_off(bp->dev);
6803
6804 return 0;
6805}
6806
34f80b04
EG		 6807static void bnx2x_reset_task(struct work_struct *work)
6808{
6809 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6810
6811#ifdef BNX2X_STOP_ON_ERROR
6812 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6813 " so reset not done to allow debug dump,\n"
6814 KERN_ERR " you will need to reboot when done\n");
6815 return;
6816#endif
6817
6818 rtnl_lock();
6819
6820 if (!netif_running(bp->dev))
6821 goto reset_task_exit;
6822
6823 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6824 bnx2x_nic_load(bp, LOAD_NORMAL);
6825
6826reset_task_exit:
6827 rtnl_unlock();
6828}
6829
a2fbb9ea
ET		 6830/* end of nic load/unload */
6831
6832/* ethtool_ops */
6833
6834/*
6835 * Init service functions
6836 */
6837
34f80b04
EG		 6838static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
6839{
6840 u32 val;
6841
6842 /* Check if there is any driver already loaded */
6843 val = REG_RD(bp, MISC_REG_UNPREPARED);
6844 if (val == 0x1) {
6845 /* Check if it is the UNDI driver
6846 * UNDI driver initializes CID offset for normal bell to 0x7
6847 */
4a37fb66 6848 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
34f80b04 6849 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
76b190c5
EG		 6850 if (val == 0x7)
6851 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6852 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6853
34f80b04
EG		 6854 if (val == 0x7) {
6855 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
da5a662a 6856 /* save our func */
34f80b04 6857 int func = BP_FUNC(bp);
da5a662a
VZ		 6858 u32 swap_en;
6859 u32 swap_val;
34f80b04
EG		 6860
6861 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6862
6863 /* try unload UNDI on port 0 */
6864 bp->func = 0;
da5a662a
VZ		 6865 bp->fw_seq =
6866 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6867 DRV_MSG_SEQ_NUMBER_MASK);
34f80b04 6868 reset_code = bnx2x_fw_command(bp, reset_code);
34f80b04
EG		 6869
6870 /* if UNDI is loaded on the other port */
6871 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6872
da5a662a
VZ		 6873 /* send "DONE" for previous unload */
6874 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6875
6876 /* unload UNDI on port 1 */
34f80b04 6877 bp->func = 1;
da5a662a
VZ		 6878 bp->fw_seq =
6879 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6880 DRV_MSG_SEQ_NUMBER_MASK);
6881 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6882
6883 bnx2x_fw_command(bp, reset_code);
34f80b04
EG		 6884 }
6885
da5a662a
VZ		 6886 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6887 HC_REG_CONFIG_0), 0x1000);
6888
6889 /* close input traffic and wait for it */
6890 /* Do not rcv packets to BRB */
6891 REG_WR(bp,
6892 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6893 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6894 /* Do not direct rcv packets that are not for MCP to
6895 * the BRB */
6896 REG_WR(bp,
6897 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6898 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6899 /* clear AEU */
6900 REG_WR(bp,
6901 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6902 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6903 msleep(10);
6904
6905 /* save NIG port swap info */
6906 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6907 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
34f80b04
EG		 6908 /* reset device */
6909 REG_WR(bp,
6910 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
da5a662a 6911 0xd3ffffff);
34f80b04
EG		 6912 REG_WR(bp,
6913 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6914 0x1403);
da5a662a
VZ		 6915 /* take the NIG out of reset and restore swap values */
6916 REG_WR(bp,
6917 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6918 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6919 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6920 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6921
6922 /* send unload done to the MCP */
6923 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6924
6925 /* restore our func and fw_seq */
6926 bp->func = func;
6927 bp->fw_seq =
6928 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6929 DRV_MSG_SEQ_NUMBER_MASK);
34f80b04
EG		 6930 }
6931 }
6932}
6933
6934static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6935{
6936 u32 val, val2, val3, val4, id;
72ce58c3 6937 u16 pmc;
34f80b04
EG		 6938
6939 /* Get the chip revision id and number. */
6940 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6941 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6942 id = ((val & 0xffff) << 16);
6943 val = REG_RD(bp, MISC_REG_CHIP_REV);
6944 id |= ((val & 0xf) << 12);
6945 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6946 id |= ((val & 0xff) << 4);
6947 REG_RD(bp, MISC_REG_BOND_ID);
6948 id |= (val & 0xf);
6949 bp->common.chip_id = id;
6950 bp->link_params.chip_id = bp->common.chip_id;
6951 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6952
6953 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6954 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6955 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6956 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6957 bp->common.flash_size, bp->common.flash_size);
6958
6959 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6960 bp->link_params.shmem_base = bp->common.shmem_base;
6961 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6962
6963 if (!bp->common.shmem_base ||
6964 (bp->common.shmem_base < 0xA0000) ||
6965 (bp->common.shmem_base >= 0xC0000)) {
6966 BNX2X_DEV_INFO("MCP not active\n");
6967 bp->flags |= NO_MCP_FLAG;
6968 return;
6969 }
6970
6971 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6972 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6973 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6974 BNX2X_ERR("BAD MCP validity signature\n");
6975
6976 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6977 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6978
6979 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6980 bp->common.hw_config, bp->common.board);
6981
6982 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6983 SHARED_HW_CFG_LED_MODE_MASK) >>
6984 SHARED_HW_CFG_LED_MODE_SHIFT);
6985
6986 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6987 bp->common.bc_ver = val;
6988 BNX2X_DEV_INFO("bc_ver %X\n", val);
6989 if (val < BNX2X_BC_VER) {
6990 /* for now only warn
6991 * later we might need to enforce this */
6992 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6993 " please upgrade BC\n", BNX2X_BC_VER, val);
6994 }
72ce58c3
EG		 6995
6996 if (BP_E1HVN(bp) == 0) {
6997 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
6998 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
6999 } else {
7000 /* no WOL capability for E1HVN != 0 */
7001 bp->flags |= NO_WOL_FLAG;
7002 }
7003 BNX2X_DEV_INFO("%sWoL capable\n",
7004 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
34f80b04
EG		 7005
7006 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7007 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7008 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7009 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7010
7011 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7012 val, val2, val3, val4);
7013}
7014
7015static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7016 u32 switch_cfg)
a2fbb9ea 7017{
34f80b04 7018 int port = BP_PORT(bp);
a2fbb9ea
ET		 7019 u32 ext_phy_type;
7020
a2fbb9ea
ET		 7021 switch (switch_cfg) {
7022 case SWITCH_CFG_1G:
7023 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7024
c18487ee
YR		 7025 ext_phy_type =
7026 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
a2fbb9ea
ET		 7027 switch (ext_phy_type) {
7028 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7029 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7030 ext_phy_type);
7031
34f80b04
EG		 7032 bp->port.supported |= (SUPPORTED_10baseT_Half |
7033 SUPPORTED_10baseT_Full |
7034 SUPPORTED_100baseT_Half |
7035 SUPPORTED_100baseT_Full |
7036 SUPPORTED_1000baseT_Full |
7037 SUPPORTED_2500baseX_Full |
7038 SUPPORTED_TP |
7039 SUPPORTED_FIBRE |
7040 SUPPORTED_Autoneg |
7041 SUPPORTED_Pause |
7042 SUPPORTED_Asym_Pause);
a2fbb9ea
ET		 7043 break;
7044
7045 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7046 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7047 ext_phy_type);
7048
34f80b04
EG		 7049 bp->port.supported |= (SUPPORTED_10baseT_Half |
7050 SUPPORTED_10baseT_Full |
7051 SUPPORTED_100baseT_Half |
7052 SUPPORTED_100baseT_Full |
7053 SUPPORTED_1000baseT_Full |
7054 SUPPORTED_TP |
7055 SUPPORTED_FIBRE |
7056 SUPPORTED_Autoneg |
7057 SUPPORTED_Pause |
7058 SUPPORTED_Asym_Pause);
a2fbb9ea
ET		 7059 break;
7060
7061 default:
7062 BNX2X_ERR("NVRAM config error. "
7063 "BAD SerDes ext_phy_config 0x%x\n",
c18487ee 7064 bp->link_params.ext_phy_config);
a2fbb9ea
ET		 7065 return;
7066 }
7067
34f80b04
EG		 7068 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7069 port*0x10);
7070 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
a2fbb9ea
ET		 7071 break;
7072
7073 case SWITCH_CFG_10G:
7074 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7075
c18487ee
YR		 7076 ext_phy_type =
7077 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
a2fbb9ea
ET		 7078 switch (ext_phy_type) {
7079 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7080 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7081 ext_phy_type);
7082
34f80b04
EG		 7083 bp->port.supported |= (SUPPORTED_10baseT_Half |
7084 SUPPORTED_10baseT_Full |
7085 SUPPORTED_100baseT_Half |
7086 SUPPORTED_100baseT_Full |
7087 SUPPORTED_1000baseT_Full |
7088 SUPPORTED_2500baseX_Full |
7089 SUPPORTED_10000baseT_Full |
7090 SUPPORTED_TP |
7091 SUPPORTED_FIBRE |
7092 SUPPORTED_Autoneg |
7093 SUPPORTED_Pause |
7094 SUPPORTED_Asym_Pause);
a2fbb9ea
ET		 7095 break;
7096
7097 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
f1410647 7098 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
34f80b04 7099 ext_phy_type);
f1410647 7100
34f80b04
EG		 7101 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7102 SUPPORTED_FIBRE |
7103 SUPPORTED_Pause |
7104 SUPPORTED_Asym_Pause);
f1410647
ET		 7105 break;
7106
a2fbb9ea 7107 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
f1410647
ET		 7108 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7109 ext_phy_type);
7110
34f80b04
EG		 7111 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7112 SUPPORTED_1000baseT_Full |
7113 SUPPORTED_FIBRE |
7114 SUPPORTED_Pause |
7115 SUPPORTED_Asym_Pause);
f1410647
ET		 7116 break;
7117
7118 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7119 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
a2fbb9ea
ET		 7120 ext_phy_type);
7121
34f80b04
EG		 7122 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7123 SUPPORTED_1000baseT_Full |
7124 SUPPORTED_FIBRE |
7125 SUPPORTED_Autoneg |
7126 SUPPORTED_Pause |
7127 SUPPORTED_Asym_Pause);
f1410647
ET		 7128 break;
7129
c18487ee
YR		 7130 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7131 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7132 ext_phy_type);
7133
34f80b04
EG		 7134 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7135 SUPPORTED_2500baseX_Full |
7136 SUPPORTED_1000baseT_Full |
7137 SUPPORTED_FIBRE |
7138 SUPPORTED_Autoneg |
7139 SUPPORTED_Pause |
7140 SUPPORTED_Asym_Pause);
c18487ee
YR		 7141 break;
7142
f1410647
ET		 7143 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7144 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7145 ext_phy_type);
7146
34f80b04
EG		 7147 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7148 SUPPORTED_TP |
7149 SUPPORTED_Autoneg |
7150 SUPPORTED_Pause |
7151 SUPPORTED_Asym_Pause);
a2fbb9ea
ET		 7152 break;
7153
c18487ee
YR		 7154 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7155 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7156 bp->link_params.ext_phy_config);
7157 break;
7158
a2fbb9ea
ET		 7159 default:
7160 BNX2X_ERR("NVRAM config error. "
7161 "BAD XGXS ext_phy_config 0x%x\n",
c18487ee 7162 bp->link_params.ext_phy_config);
a2fbb9ea
ET		 7163 return;
7164 }
7165
34f80b04
EG		 7166 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7167 port*0x18);
7168 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
a2fbb9ea 7169
a2fbb9ea
ET		 7170 break;
7171
7172 default:
7173 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
34f80b04 7174 bp->port.link_config);
a2fbb9ea
ET		 7175 return;
7176 }
34f80b04 7177 bp->link_params.phy_addr = bp->port.phy_addr;
a2fbb9ea
ET		 7178
7179 /* mask what we support according to speed_cap_mask */
c18487ee
YR		 7180 if (!(bp->link_params.speed_cap_mask &
7181 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
34f80b04 7182 bp->port.supported &= ~SUPPORTED_10baseT_Half;
a2fbb9ea 7183
c18487ee
YR		 7184 if (!(bp->link_params.speed_cap_mask &
7185 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
34f80b04 7186 bp->port.supported &= ~SUPPORTED_10baseT_Full;
a2fbb9ea 7187
c18487ee
YR		 7188 if (!(bp->link_params.speed_cap_mask &
7189 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
34f80b04 7190 bp->port.supported &= ~SUPPORTED_100baseT_Half;
a2fbb9ea 7191
c18487ee
YR		 7192 if (!(bp->link_params.speed_cap_mask &
7193 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
34f80b04 7194 bp->port.supported &= ~SUPPORTED_100baseT_Full;
a2fbb9ea 7195
c18487ee
YR		 7196 if (!(bp->link_params.speed_cap_mask &
7197 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
34f80b04
EG		 7198 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7199 SUPPORTED_1000baseT_Full);
a2fbb9ea 7200
c18487ee
YR		 7201 if (!(bp->link_params.speed_cap_mask &
7202 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
34f80b04 7203 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
a2fbb9ea 7204
c18487ee
YR		 7205 if (!(bp->link_params.speed_cap_mask &
7206 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
34f80b04 7207 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
a2fbb9ea 7208
34f80b04 7209 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
a2fbb9ea
ET		 7210}
7211
34f80b04 7212static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
a2fbb9ea 7213{
c18487ee 7214 bp->link_params.req_duplex = DUPLEX_FULL;
a2fbb9ea 7215
34f80b04 7216 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
a2fbb9ea 7217 case PORT_FEATURE_LINK_SPEED_AUTO:
34f80b04 7218 if (bp->port.supported & SUPPORTED_Autoneg) {
c18487ee 7219 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
34f80b04 7220 bp->port.advertising = bp->port.supported;
a2fbb9ea 7221 } else {
c18487ee
YR		 7222 u32 ext_phy_type =
7223 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7224
7225 if ((ext_phy_type ==
7226 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7227 (ext_phy_type ==
7228 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
a2fbb9ea 7229 /* force 10G, no AN */
c18487ee 7230 bp->link_params.req_line_speed = SPEED_10000;
34f80b04 7231 bp->port.advertising =
a2fbb9ea
ET		 7232 (ADVERTISED_10000baseT_Full |
7233 ADVERTISED_FIBRE);
7234 break;
7235 }
7236 BNX2X_ERR("NVRAM config error. "
7237 "Invalid link_config 0x%x"
7238 " Autoneg not supported\n",
34f80b04 7239 bp->port.link_config);
a2fbb9ea
ET		 7240 return;
7241 }
7242 break;
7243
7244 case PORT_FEATURE_LINK_SPEED_10M_FULL:
34f80b04 7245 if (bp->port.supported & SUPPORTED_10baseT_Full) {
c18487ee 7246 bp->link_params.req_line_speed = SPEED_10;
34f80b04
EG		 7247 bp->port.advertising = (ADVERTISED_10baseT_Full |
7248 ADVERTISED_TP);
a2fbb9ea
ET		 7249 } else {
7250 BNX2X_ERR("NVRAM config error. "
7251 "Invalid link_config 0x%x"
7252 " speed_cap_mask 0x%x\n",
34f80b04 7253 bp->port.link_config,
c18487ee 7254 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7255 return;
7256 }
7257 break;
7258
7259 case PORT_FEATURE_LINK_SPEED_10M_HALF:
34f80b04 7260 if (bp->port.supported & SUPPORTED_10baseT_Half) {
c18487ee
YR		 7261 bp->link_params.req_line_speed = SPEED_10;
7262 bp->link_params.req_duplex = DUPLEX_HALF;
34f80b04
EG		 7263 bp->port.advertising = (ADVERTISED_10baseT_Half |
7264 ADVERTISED_TP);
a2fbb9ea
ET		 7265 } else {
7266 BNX2X_ERR("NVRAM config error. "
7267 "Invalid link_config 0x%x"
7268 " speed_cap_mask 0x%x\n",
34f80b04 7269 bp->port.link_config,
c18487ee 7270 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7271 return;
7272 }
7273 break;
7274
7275 case PORT_FEATURE_LINK_SPEED_100M_FULL:
34f80b04 7276 if (bp->port.supported & SUPPORTED_100baseT_Full) {
c18487ee 7277 bp->link_params.req_line_speed = SPEED_100;
34f80b04
EG		 7278 bp->port.advertising = (ADVERTISED_100baseT_Full |
7279 ADVERTISED_TP);
a2fbb9ea
ET		 7280 } else {
7281 BNX2X_ERR("NVRAM config error. "
7282 "Invalid link_config 0x%x"
7283 " speed_cap_mask 0x%x\n",
34f80b04 7284 bp->port.link_config,
c18487ee 7285 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7286 return;
7287 }
7288 break;
7289
7290 case PORT_FEATURE_LINK_SPEED_100M_HALF:
34f80b04 7291 if (bp->port.supported & SUPPORTED_100baseT_Half) {
c18487ee
YR		 7292 bp->link_params.req_line_speed = SPEED_100;
7293 bp->link_params.req_duplex = DUPLEX_HALF;
34f80b04
EG		 7294 bp->port.advertising = (ADVERTISED_100baseT_Half |
7295 ADVERTISED_TP);
a2fbb9ea
ET		 7296 } else {
7297 BNX2X_ERR("NVRAM config error. "
7298 "Invalid link_config 0x%x"
7299 " speed_cap_mask 0x%x\n",
34f80b04 7300 bp->port.link_config,
c18487ee 7301 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7302 return;
7303 }
7304 break;
7305
7306 case PORT_FEATURE_LINK_SPEED_1G:
34f80b04 7307 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
c18487ee 7308 bp->link_params.req_line_speed = SPEED_1000;
34f80b04
EG		 7309 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7310 ADVERTISED_TP);
a2fbb9ea
ET		 7311 } else {
7312 BNX2X_ERR("NVRAM config error. "
7313 "Invalid link_config 0x%x"
7314 " speed_cap_mask 0x%x\n",
34f80b04 7315 bp->port.link_config,
c18487ee 7316 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7317 return;
7318 }
7319 break;
7320
7321 case PORT_FEATURE_LINK_SPEED_2_5G:
34f80b04 7322 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
c18487ee 7323 bp->link_params.req_line_speed = SPEED_2500;
34f80b04
EG		 7324 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7325 ADVERTISED_TP);
a2fbb9ea
ET		 7326 } else {
7327 BNX2X_ERR("NVRAM config error. "
7328 "Invalid link_config 0x%x"
7329 " speed_cap_mask 0x%x\n",
34f80b04 7330 bp->port.link_config,
c18487ee 7331 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7332 return;
7333 }
7334 break;
7335
7336 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7337 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7338 case PORT_FEATURE_LINK_SPEED_10G_KR:
34f80b04 7339 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
c18487ee 7340 bp->link_params.req_line_speed = SPEED_10000;
34f80b04
EG		 7341 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7342 ADVERTISED_FIBRE);
a2fbb9ea
ET		 7343 } else {
7344 BNX2X_ERR("NVRAM config error. "
7345 "Invalid link_config 0x%x"
7346 " speed_cap_mask 0x%x\n",
34f80b04 7347 bp->port.link_config,
c18487ee 7348 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7349 return;
7350 }
7351 break;
7352
7353 default:
7354 BNX2X_ERR("NVRAM config error. "
7355 "BAD link speed link_config 0x%x\n",
34f80b04 7356 bp->port.link_config);
c18487ee 7357 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
34f80b04 7358 bp->port.advertising = bp->port.supported;
a2fbb9ea
ET		 7359 break;
7360 }
a2fbb9ea 7361
34f80b04
EG		 7362 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7363 PORT_FEATURE_FLOW_CONTROL_MASK);
c18487ee 7364 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
4ab84d45 7365 !(bp->port.supported & SUPPORTED_Autoneg))
c18487ee 7366 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
a2fbb9ea 7367
c18487ee 7368 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
f1410647 7369 " advertising 0x%x\n",
c18487ee
YR		 7370 bp->link_params.req_line_speed,
7371 bp->link_params.req_duplex,
34f80b04 7372 bp->link_params.req_flow_ctrl, bp->port.advertising);
a2fbb9ea
ET		 7373}
7374
34f80b04 7375static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
a2fbb9ea 7376{
34f80b04
EG		 7377 int port = BP_PORT(bp);
7378 u32 val, val2;
a2fbb9ea 7379
c18487ee 7380 bp->link_params.bp = bp;
34f80b04 7381 bp->link_params.port = port;
c18487ee 7382
c18487ee 7383 bp->link_params.serdes_config =
f1410647 7384 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
c18487ee 7385 bp->link_params.lane_config =
a2fbb9ea 7386 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
c18487ee 7387 bp->link_params.ext_phy_config =
a2fbb9ea
ET		 7388 SHMEM_RD(bp,
7389 dev_info.port_hw_config[port].external_phy_config);
c18487ee 7390 bp->link_params.speed_cap_mask =
a2fbb9ea
ET		 7391 SHMEM_RD(bp,
7392 dev_info.port_hw_config[port].speed_capability_mask);
7393
34f80b04 7394 bp->port.link_config =
a2fbb9ea
ET		 7395 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7396
34f80b04
EG		 7397 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7398 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7399 " link_config 0x%08x\n",
c18487ee
YR		 7400 bp->link_params.serdes_config,
7401 bp->link_params.lane_config,
7402 bp->link_params.ext_phy_config,
34f80b04 7403 bp->link_params.speed_cap_mask, bp->port.link_config);
a2fbb9ea 7404
34f80b04 7405 bp->link_params.switch_cfg = (bp->port.link_config &
c18487ee
YR		 7406 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7407 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
a2fbb9ea
ET		 7408
7409 bnx2x_link_settings_requested(bp);
7410
7411 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7412 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7413 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7414 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7415 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7416 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7417 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7418 bp->dev->dev_addr[5] = (u8)(val & 0xff);
c18487ee
YR		 7419 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7420 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
34f80b04
EG		 7421}
7422
7423static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7424{
7425 int func = BP_FUNC(bp);
7426 u32 val, val2;
7427 int rc = 0;
a2fbb9ea 7428
34f80b04 7429 bnx2x_get_common_hwinfo(bp);
a2fbb9ea 7430
34f80b04
EG		 7431 bp->e1hov = 0;
7432 bp->e1hmf = 0;
7433 if (CHIP_IS_E1H(bp)) {
7434 bp->mf_config =
7435 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
a2fbb9ea 7436
3196a88a
EG		 7437 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7438 FUNC_MF_CFG_E1HOV_TAG_MASK);
34f80b04 7439 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
a2fbb9ea 7440
34f80b04
EG		 7441 bp->e1hov = val;
7442 bp->e1hmf = 1;
7443 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7444 "(0x%04x)\n",
7445 func, bp->e1hov, bp->e1hov);
7446 } else {
7447 BNX2X_DEV_INFO("Single function mode\n");
7448 if (BP_E1HVN(bp)) {
7449 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7450 " aborting\n", func);
7451 rc = -EPERM;
7452 }
7453 }
7454 }
a2fbb9ea 7455
34f80b04
EG		 7456 if (!BP_NOMCP(bp)) {
7457 bnx2x_get_port_hwinfo(bp);
7458
7459 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7460 DRV_MSG_SEQ_NUMBER_MASK);
7461 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7462 }
7463
7464 if (IS_E1HMF(bp)) {
7465 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7466 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7467 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7468 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7469 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7470 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7471 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7472 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7473 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7474 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7475 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7476 ETH_ALEN);
7477 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7478 ETH_ALEN);
a2fbb9ea 7479 }
34f80b04
EG		 7480
7481 return rc;
a2fbb9ea
ET		 7482 }
7483
34f80b04
EG		 7484 if (BP_NOMCP(bp)) {
7485 /* only supposed to happen on emulation/FPGA */
33471629 7486 BNX2X_ERR("warning random MAC workaround active\n");
34f80b04
EG		 7487 random_ether_addr(bp->dev->dev_addr);
7488 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7489 }
a2fbb9ea 7490
34f80b04
EG		 7491 return rc;
7492}
7493
7494static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7495{
7496 int func = BP_FUNC(bp);
7497 int rc;
7498
da5a662a
VZ		 7499 /* Disable interrupt handling until HW is initialized */
7500 atomic_set(&bp->intr_sem, 1);
7501
34f80b04 7502 mutex_init(&bp->port.phy_mutex);
a2fbb9ea 7503
34f80b04
EG		 7504 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7505 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7506
7507 rc = bnx2x_get_hwinfo(bp);
7508
7509 /* need to reset chip if undi was active */
7510 if (!BP_NOMCP(bp))
7511 bnx2x_undi_unload(bp);
7512
7513 if (CHIP_REV_IS_FPGA(bp))
7514 printk(KERN_ERR PFX "FPGA detected\n");
7515
7516 if (BP_NOMCP(bp) && (func == 0))
7517 printk(KERN_ERR PFX
7518 "MCP disabled, must load devices in order!\n");
7519
7a9b2557
VZ		 7520 /* Set TPA flags */
7521 if (disable_tpa) {
7522 bp->flags &= ~TPA_ENABLE_FLAG;
7523 bp->dev->features &= ~NETIF_F_LRO;
7524 } else {
7525 bp->flags |= TPA_ENABLE_FLAG;
7526 bp->dev->features |= NETIF_F_LRO;
7527 }
7528
7529
34f80b04
EG		 7530 bp->tx_ring_size = MAX_TX_AVAIL;
7531 bp->rx_ring_size = MAX_RX_AVAIL;
7532
7533 bp->rx_csum = 1;
7534 bp->rx_offset = 0;
7535
7536 bp->tx_ticks = 50;
7537 bp->rx_ticks = 25;
7538
34f80b04
EG		 7539 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7540 bp->current_interval = (poll ? poll : bp->timer_interval);
7541
7542 init_timer(&bp->timer);
7543 bp->timer.expires = jiffies + bp->current_interval;
7544 bp->timer.data = (unsigned long) bp;
7545 bp->timer.function = bnx2x_timer;
7546
7547 return rc;
a2fbb9ea
ET		 7548}
7549
7550/*
7551 * ethtool service functions
7552 */
7553
7554/* All ethtool functions called with rtnl_lock */
7555
7556static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7557{
7558 struct bnx2x *bp = netdev_priv(dev);
7559
34f80b04
EG		 7560 cmd->supported = bp->port.supported;
7561 cmd->advertising = bp->port.advertising;
a2fbb9ea
ET		 7562
7563 if (netif_carrier_ok(dev)) {
c18487ee
YR		 7564 cmd->speed = bp->link_vars.line_speed;
7565 cmd->duplex = bp->link_vars.duplex;
a2fbb9ea 7566 } else {
c18487ee
YR		 7567 cmd->speed = bp->link_params.req_line_speed;
7568 cmd->duplex = bp->link_params.req_duplex;
a2fbb9ea 7569 }
34f80b04
EG		 7570 if (IS_E1HMF(bp)) {
7571 u16 vn_max_rate;
7572
7573 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7574 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7575 if (vn_max_rate < cmd->speed)
7576 cmd->speed = vn_max_rate;
7577 }
a2fbb9ea 7578
c18487ee
YR		 7579 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7580 u32 ext_phy_type =
7581 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
f1410647
ET		 7582
7583 switch (ext_phy_type) {
7584 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7585 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7586 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7587 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
c18487ee 7588 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
f1410647
ET		 7589 cmd->port = PORT_FIBRE;
7590 break;
7591
7592 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7593 cmd->port = PORT_TP;
7594 break;
7595
c18487ee
YR		 7596 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7597 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7598 bp->link_params.ext_phy_config);
7599 break;
7600
f1410647
ET		 7601 default:
7602 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
c18487ee
YR		 7603 bp->link_params.ext_phy_config);
7604 break;
f1410647
ET		 7605 }
7606 } else
a2fbb9ea 7607 cmd->port = PORT_TP;
a2fbb9ea 7608
34f80b04 7609 cmd->phy_address = bp->port.phy_addr;
a2fbb9ea
ET		 7610 cmd->transceiver = XCVR_INTERNAL;
7611
c18487ee 7612 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
a2fbb9ea 7613 cmd->autoneg = AUTONEG_ENABLE;
f1410647 7614 else
a2fbb9ea 7615 cmd->autoneg = AUTONEG_DISABLE;
a2fbb9ea
ET		 7616
7617 cmd->maxtxpkt = 0;
7618 cmd->maxrxpkt = 0;
7619
7620 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7621 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7622 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7623 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7624 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7625 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7626 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7627
7628 return 0;
7629}
7630
7631static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7632{
7633 struct bnx2x *bp = netdev_priv(dev);
7634 u32 advertising;
7635
34f80b04
EG		 7636 if (IS_E1HMF(bp))
7637 return 0;
7638
a2fbb9ea
ET		 7639 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7640 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7641 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7642 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7643 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7644 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7645 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7646
a2fbb9ea 7647 if (cmd->autoneg == AUTONEG_ENABLE) {
34f80b04
EG		 7648 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7649 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
a2fbb9ea 7650 return -EINVAL;
f1410647 7651 }
a2fbb9ea
ET		 7652
7653 /* advertise the requested speed and duplex if supported */
34f80b04 7654 cmd->advertising &= bp->port.supported;
a2fbb9ea 7655
c18487ee
YR		 7656 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7657 bp->link_params.req_duplex = DUPLEX_FULL;
34f80b04
EG		 7658 bp->port.advertising |= (ADVERTISED_Autoneg |
7659 cmd->advertising);
a2fbb9ea
ET		 7660
7661 } else { /* forced speed */
7662 /* advertise the requested speed and duplex if supported */
7663 switch (cmd->speed) {
7664 case SPEED_10:
7665 if (cmd->duplex == DUPLEX_FULL) {
34f80b04 7666 if (!(bp->port.supported &
f1410647
ET		 7667 SUPPORTED_10baseT_Full)) {
7668 DP(NETIF_MSG_LINK,
7669 "10M full not supported\n");
a2fbb9ea 7670 return -EINVAL;
f1410647 7671 }
a2fbb9ea
ET		 7672
7673 advertising = (ADVERTISED_10baseT_Full |
7674 ADVERTISED_TP);
7675 } else {
34f80b04 7676 if (!(bp->port.supported &
f1410647
ET		 7677 SUPPORTED_10baseT_Half)) {
7678 DP(NETIF_MSG_LINK,
7679 "10M half not supported\n");
a2fbb9ea 7680 return -EINVAL;
f1410647 7681 }
a2fbb9ea
ET		 7682
7683 advertising = (ADVERTISED_10baseT_Half |
7684 ADVERTISED_TP);
7685 }
7686 break;
7687
7688 case SPEED_100:
7689 if (cmd->duplex == DUPLEX_FULL) {
34f80b04 7690 if (!(bp->port.supported &
f1410647
ET		 7691 SUPPORTED_100baseT_Full)) {
7692 DP(NETIF_MSG_LINK,
7693 "100M full not supported\n");
a2fbb9ea 7694 return -EINVAL;
f1410647 7695 }
a2fbb9ea
ET		 7696
7697 advertising = (ADVERTISED_100baseT_Full |
7698 ADVERTISED_TP);
7699 } else {
34f80b04 7700 if (!(bp->port.supported &
f1410647
ET		 7701 SUPPORTED_100baseT_Half)) {
7702 DP(NETIF_MSG_LINK,
7703 "100M half not supported\n");
a2fbb9ea 7704 return -EINVAL;
f1410647 7705 }
a2fbb9ea
ET		 7706
7707 advertising = (ADVERTISED_100baseT_Half |
7708 ADVERTISED_TP);
7709 }
7710 break;
7711
7712 case SPEED_1000:
f1410647
ET		 7713 if (cmd->duplex != DUPLEX_FULL) {
7714 DP(NETIF_MSG_LINK, "1G half not supported\n");
a2fbb9ea 7715 return -EINVAL;
f1410647 7716 }
a2fbb9ea 7717
34f80b04 7718 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
f1410647 7719 DP(NETIF_MSG_LINK, "1G full not supported\n");
a2fbb9ea 7720 return -EINVAL;
f1410647 7721 }
a2fbb9ea
ET		 7722
7723 advertising = (ADVERTISED_1000baseT_Full |
7724 ADVERTISED_TP);
7725 break;
7726
7727 case SPEED_2500:
f1410647
ET		 7728 if (cmd->duplex != DUPLEX_FULL) {
7729 DP(NETIF_MSG_LINK,
7730 "2.5G half not supported\n");
a2fbb9ea 7731 return -EINVAL;
f1410647 7732 }
a2fbb9ea 7733
34f80b04 7734 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
f1410647
ET		 7735 DP(NETIF_MSG_LINK,
7736 "2.5G full not supported\n");
a2fbb9ea 7737 return -EINVAL;
f1410647 7738 }
a2fbb9ea 7739
f1410647 7740 advertising = (ADVERTISED_2500baseX_Full |
a2fbb9ea
ET		 7741 ADVERTISED_TP);
7742 break;
7743
7744 case SPEED_10000:
f1410647
ET		 7745 if (cmd->duplex != DUPLEX_FULL) {
7746 DP(NETIF_MSG_LINK, "10G half not supported\n");
a2fbb9ea 7747 return -EINVAL;
f1410647 7748 }
a2fbb9ea 7749
34f80b04 7750 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
f1410647 7751 DP(NETIF_MSG_LINK, "10G full not supported\n");
a2fbb9ea 7752 return -EINVAL;
f1410647 7753 }
a2fbb9ea
ET		 7754
7755 advertising = (ADVERTISED_10000baseT_Full |
7756 ADVERTISED_FIBRE);
7757 break;
7758
7759 default:
f1410647 7760 DP(NETIF_MSG_LINK, "Unsupported speed\n");
a2fbb9ea
ET		 7761 return -EINVAL;
7762 }
7763
c18487ee
YR		 7764 bp->link_params.req_line_speed = cmd->speed;
7765 bp->link_params.req_duplex = cmd->duplex;
34f80b04 7766 bp->port.advertising = advertising;
a2fbb9ea
ET		 7767 }
7768
c18487ee 7769 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
a2fbb9ea 7770 DP_LEVEL " req_duplex %d advertising 0x%x\n",
c18487ee 7771 bp->link_params.req_line_speed, bp->link_params.req_duplex,
34f80b04 7772 bp->port.advertising);
a2fbb9ea 7773
34f80b04 7774 if (netif_running(dev)) {
bb2a0f7a 7775 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
34f80b04
EG		 7776 bnx2x_link_set(bp);
7777 }
a2fbb9ea
ET		 7778
7779 return 0;
7780}
7781
c18487ee
YR		 7782#define PHY_FW_VER_LEN 10
7783
a2fbb9ea
ET		 7784static void bnx2x_get_drvinfo(struct net_device *dev,
7785 struct ethtool_drvinfo *info)
7786{
7787 struct bnx2x *bp = netdev_priv(dev);
f0e53a84 7788 u8 phy_fw_ver[PHY_FW_VER_LEN];
a2fbb9ea
ET		 7789
7790 strcpy(info->driver, DRV_MODULE_NAME);
7791 strcpy(info->version, DRV_MODULE_VERSION);
c18487ee
YR		 7792
7793 phy_fw_ver[0] = '\0';
34f80b04 7794 if (bp->port.pmf) {
4a37fb66 7795 bnx2x_acquire_phy_lock(bp);
34f80b04
EG		 7796 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7797 (bp->state != BNX2X_STATE_CLOSED),
7798 phy_fw_ver, PHY_FW_VER_LEN);
4a37fb66 7799 bnx2x_release_phy_lock(bp);
34f80b04 7800 }
c18487ee 7801
f0e53a84
EG		 7802 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7803 (bp->common.bc_ver & 0xff0000) >> 16,
7804 (bp->common.bc_ver & 0xff00) >> 8,
7805 (bp->common.bc_ver & 0xff),
7806 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
a2fbb9ea
ET		 7807 strcpy(info->bus_info, pci_name(bp->pdev));
7808 info->n_stats = BNX2X_NUM_STATS;
7809 info->testinfo_len = BNX2X_NUM_TESTS;
34f80b04 7810 info->eedump_len = bp->common.flash_size;
a2fbb9ea
ET		 7811 info->regdump_len = 0;
7812}
7813
7814static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7815{
7816 struct bnx2x *bp = netdev_priv(dev);
7817
7818 if (bp->flags & NO_WOL_FLAG) {
7819 wol->supported = 0;
7820 wol->wolopts = 0;
7821 } else {
7822 wol->supported = WAKE_MAGIC;
7823 if (bp->wol)
7824 wol->wolopts = WAKE_MAGIC;
7825 else
7826 wol->wolopts = 0;
7827 }
7828 memset(&wol->sopass, 0, sizeof(wol->sopass));
7829}
7830
7831static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7832{
7833 struct bnx2x *bp = netdev_priv(dev);
7834
7835 if (wol->wolopts & ~WAKE_MAGIC)
7836 return -EINVAL;
7837
7838 if (wol->wolopts & WAKE_MAGIC) {
7839 if (bp->flags & NO_WOL_FLAG)
7840 return -EINVAL;
7841
7842 bp->wol = 1;
34f80b04 7843 } else
a2fbb9ea 7844 bp->wol = 0;
34f80b04 7845
a2fbb9ea
ET		 7846 return 0;
7847}
7848
7849static u32 bnx2x_get_msglevel(struct net_device *dev)
7850{
7851 struct bnx2x *bp = netdev_priv(dev);
7852
7853 return bp->msglevel;
7854}
7855
7856static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7857{
7858 struct bnx2x *bp = netdev_priv(dev);
7859
7860 if (capable(CAP_NET_ADMIN))
7861 bp->msglevel = level;
7862}
7863
7864static int bnx2x_nway_reset(struct net_device *dev)
7865{
7866 struct bnx2x *bp = netdev_priv(dev);
7867
34f80b04
EG		 7868 if (!bp->port.pmf)
7869 return 0;
a2fbb9ea 7870
34f80b04 7871 if (netif_running(dev)) {
bb2a0f7a 7872 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
34f80b04
EG		 7873 bnx2x_link_set(bp);
7874 }
a2fbb9ea
ET		 7875
7876 return 0;
7877}
7878
7879static int bnx2x_get_eeprom_len(struct net_device *dev)
7880{
7881 struct bnx2x *bp = netdev_priv(dev);
7882
34f80b04 7883 return bp->common.flash_size;
a2fbb9ea
ET		 7884}
7885
7886static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7887{
34f80b04 7888 int port = BP_PORT(bp);
a2fbb9ea
ET		 7889 int count, i;
7890 u32 val = 0;
7891
7892 /* adjust timeout for emulation/FPGA */
7893 count = NVRAM_TIMEOUT_COUNT;
7894 if (CHIP_REV_IS_SLOW(bp))
7895 count *= 100;
7896
7897 /* request access to nvram interface */
7898 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7899 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7900
7901 for (i = 0; i < count*10; i++) {
7902 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7903 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7904 break;
7905
7906 udelay(5);
7907 }
7908
7909 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
34f80b04 7910 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
a2fbb9ea
ET		 7911 return -EBUSY;
7912 }
7913
7914 return 0;
7915}
7916
7917static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7918{
34f80b04 7919 int port = BP_PORT(bp);
a2fbb9ea
ET		 7920 int count, i;
7921 u32 val = 0;
7922
7923 /* adjust timeout for emulation/FPGA */
7924 count = NVRAM_TIMEOUT_COUNT;
7925 if (CHIP_REV_IS_SLOW(bp))
7926 count *= 100;
7927
7928 /* relinquish nvram interface */
7929 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7930 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7931
7932 for (i = 0; i < count*10; i++) {
7933 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7934 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7935 break;
7936
7937 udelay(5);
7938 }
7939
7940 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
34f80b04 7941 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
a2fbb9ea
ET		 7942 return -EBUSY;
7943 }
7944
7945 return 0;
7946}
7947
7948static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7949{
7950 u32 val;
7951
7952 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7953
7954 /* enable both bits, even on read */
7955 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7956 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7957 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7958}
7959
7960static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7961{
7962 u32 val;
7963
7964 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7965
7966 /* disable both bits, even after read */
7967 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7968 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7969 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7970}
7971
7972static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7973 u32 cmd_flags)
7974{
f1410647 7975 int count, i, rc;
a2fbb9ea
ET		 7976 u32 val;
7977
7978 /* build the command word */
7979 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7980
7981 /* need to clear DONE bit separately */
7982 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7983
7984 /* address of the NVRAM to read from */
7985 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7986 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7987
7988 /* issue a read command */
7989 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7990
7991 /* adjust timeout for emulation/FPGA */
7992 count = NVRAM_TIMEOUT_COUNT;
7993 if (CHIP_REV_IS_SLOW(bp))
7994 count *= 100;
7995
7996 /* wait for completion */
7997 *ret_val = 0;
7998 rc = -EBUSY;
7999 for (i = 0; i < count; i++) {
8000 udelay(5);
8001 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8002
8003 if (val & MCPR_NVM_COMMAND_DONE) {
8004 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
a2fbb9ea
ET		 8005 /* we read nvram data in cpu order
8006 * but ethtool sees it as an array of bytes
8007 * converting to big-endian will do the work */
8008 val = cpu_to_be32(val);
8009 *ret_val = val;
8010 rc = 0;
8011 break;
8012 }
8013 }
8014
8015 return rc;
8016}
8017
8018static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8019 int buf_size)
8020{
8021 int rc;
8022 u32 cmd_flags;
8023 u32 val;
8024
8025 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
34f80b04 8026 DP(BNX2X_MSG_NVM,
c14423fe 8027 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
a2fbb9ea
ET		 8028 offset, buf_size);
8029 return -EINVAL;
8030 }
8031
34f80b04
EG		 8032 if (offset + buf_size > bp->common.flash_size) {
8033 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
a2fbb9ea 8034 " buf_size (0x%x) > flash_size (0x%x)\n",
34f80b04 8035 offset, buf_size, bp->common.flash_size);
a2fbb9ea
ET		 8036 return -EINVAL;
8037 }
8038
8039 /* request access to nvram interface */
8040 rc = bnx2x_acquire_nvram_lock(bp);
8041 if (rc)
8042 return rc;
8043
8044 /* enable access to nvram interface */
8045 bnx2x_enable_nvram_access(bp);
8046
8047 /* read the first word(s) */
8048 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8049 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8050 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8051 memcpy(ret_buf, &val, 4);
8052
8053 /* advance to the next dword */
8054 offset += sizeof(u32);
8055 ret_buf += sizeof(u32);
8056 buf_size -= sizeof(u32);
8057 cmd_flags = 0;
8058 }
8059
8060 if (rc == 0) {
8061 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8062 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8063 memcpy(ret_buf, &val, 4);
8064 }
8065
8066 /* disable access to nvram interface */
8067 bnx2x_disable_nvram_access(bp);
8068 bnx2x_release_nvram_lock(bp);
8069
8070 return rc;
8071}
8072
8073static int bnx2x_get_eeprom(struct net_device *dev,
8074 struct ethtool_eeprom *eeprom, u8 *eebuf)
8075{
8076 struct bnx2x *bp = netdev_priv(dev);
8077 int rc;
8078
34f80b04 8079 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
a2fbb9ea
ET		 8080 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8081 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8082 eeprom->len, eeprom->len);
8083
8084 /* parameters already validated in ethtool_get_eeprom */
8085
8086 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8087
8088 return rc;
8089}
8090
8091static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8092 u32 cmd_flags)
8093{
f1410647 8094 int count, i, rc;
a2fbb9ea
ET		 8095
8096 /* build the command word */
8097 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8098
8099 /* need to clear DONE bit separately */
8100 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8101
8102 /* write the data */
8103 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8104
8105 /* address of the NVRAM to write to */
8106 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8107 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8108
8109 /* issue the write command */
8110 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8111
8112 /* adjust timeout for emulation/FPGA */
8113 count = NVRAM_TIMEOUT_COUNT;
8114 if (CHIP_REV_IS_SLOW(bp))
8115 count *= 100;
8116
8117 /* wait for completion */
8118 rc = -EBUSY;
8119 for (i = 0; i < count; i++) {
8120 udelay(5);
8121 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8122 if (val & MCPR_NVM_COMMAND_DONE) {
8123 rc = 0;
8124 break;
8125 }
8126 }
8127
8128 return rc;
8129}
8130
f1410647 8131#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
a2fbb9ea
ET		 8132
8133static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8134 int buf_size)
8135{
8136 int rc;
8137 u32 cmd_flags;
8138 u32 align_offset;
8139 u32 val;
8140
34f80b04
EG		 8141 if (offset + buf_size > bp->common.flash_size) {
8142 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
a2fbb9ea 8143 " buf_size (0x%x) > flash_size (0x%x)\n",
34f80b04 8144 offset, buf_size, bp->common.flash_size);
a2fbb9ea
ET		 8145 return -EINVAL;
8146 }
8147
8148 /* request access to nvram interface */
8149 rc = bnx2x_acquire_nvram_lock(bp);
8150 if (rc)
8151 return rc;
8152
8153 /* enable access to nvram interface */
8154 bnx2x_enable_nvram_access(bp);
8155
8156 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8157 align_offset = (offset & ~0x03);
8158 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8159
8160 if (rc == 0) {
8161 val &= ~(0xff << BYTE_OFFSET(offset));
8162 val |= (*data_buf << BYTE_OFFSET(offset));
8163
8164 /* nvram data is returned as an array of bytes
8165 * convert it back to cpu order */
8166 val = be32_to_cpu(val);
8167
a2fbb9ea
ET		 8168 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8169 cmd_flags);
8170 }
8171
8172 /* disable access to nvram interface */
8173 bnx2x_disable_nvram_access(bp);
8174 bnx2x_release_nvram_lock(bp);
8175
8176 return rc;
8177}
8178
8179static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8180 int buf_size)
8181{
8182 int rc;
8183 u32 cmd_flags;
8184 u32 val;
8185 u32 written_so_far;
8186
34f80b04 8187 if (buf_size == 1) /* ethtool */
a2fbb9ea 8188 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
a2fbb9ea
ET		 8189
8190 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
34f80b04 8191 DP(BNX2X_MSG_NVM,
c14423fe 8192 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
a2fbb9ea
ET		 8193 offset, buf_size);
8194 return -EINVAL;
8195 }
8196
34f80b04
EG		 8197 if (offset + buf_size > bp->common.flash_size) {
8198 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
a2fbb9ea 8199 " buf_size (0x%x) > flash_size (0x%x)\n",
34f80b04 8200 offset, buf_size, bp->common.flash_size);
a2fbb9ea
ET		 8201 return -EINVAL;
8202 }
8203
8204 /* request access to nvram interface */
8205 rc = bnx2x_acquire_nvram_lock(bp);
8206 if (rc)
8207 return rc;
8208
8209 /* enable access to nvram interface */
8210 bnx2x_enable_nvram_access(bp);
8211
8212 written_so_far = 0;
8213 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8214 while ((written_so_far < buf_size) && (rc == 0)) {
8215 if (written_so_far == (buf_size - sizeof(u32)))
8216 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8217 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8218 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8219 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8220 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8221
8222 memcpy(&val, data_buf, 4);
a2fbb9ea
ET		 8223
8224 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8225
8226 /* advance to the next dword */
8227 offset += sizeof(u32);
8228 data_buf += sizeof(u32);
8229 written_so_far += sizeof(u32);
8230 cmd_flags = 0;
8231 }
8232
8233 /* disable access to nvram interface */
8234 bnx2x_disable_nvram_access(bp);
8235 bnx2x_release_nvram_lock(bp);
8236
8237 return rc;
8238}
8239
8240static int bnx2x_set_eeprom(struct net_device *dev,
8241 struct ethtool_eeprom *eeprom, u8 *eebuf)
8242{
8243 struct bnx2x *bp = netdev_priv(dev);
8244 int rc;
8245
34f80b04 8246 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
a2fbb9ea
ET		 8247 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8248 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8249 eeprom->len, eeprom->len);
8250
8251 /* parameters already validated in ethtool_set_eeprom */
8252
c18487ee 8253 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
34f80b04
EG		 8254 if (eeprom->magic == 0x00504859)
8255 if (bp->port.pmf) {
8256
4a37fb66 8257 bnx2x_acquire_phy_lock(bp);
34f80b04
EG		 8258 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8259 bp->link_params.ext_phy_config,
8260 (bp->state != BNX2X_STATE_CLOSED),
8261 eebuf, eeprom->len);
bb2a0f7a
YG		 8262 if ((bp->state == BNX2X_STATE_OPEN) ||
8263 (bp->state == BNX2X_STATE_DISABLED)) {
34f80b04
EG		 8264 rc |= bnx2x_link_reset(&bp->link_params,
8265 &bp->link_vars);
8266 rc |= bnx2x_phy_init(&bp->link_params,
8267 &bp->link_vars);
bb2a0f7a 8268 }
4a37fb66 8269 bnx2x_release_phy_lock(bp);
34f80b04
EG		 8270
8271 } else /* Only the PMF can access the PHY */
8272 return -EINVAL;
8273 else
c18487ee 8274 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
a2fbb9ea
ET		 8275
8276 return rc;
8277}
8278
8279static int bnx2x_get_coalesce(struct net_device *dev,
8280 struct ethtool_coalesce *coal)
8281{
8282 struct bnx2x *bp = netdev_priv(dev);
8283
8284 memset(coal, 0, sizeof(struct ethtool_coalesce));
8285
8286 coal->rx_coalesce_usecs = bp->rx_ticks;
8287 coal->tx_coalesce_usecs = bp->tx_ticks;
a2fbb9ea
ET		 8288
8289 return 0;
8290}
8291
8292static int bnx2x_set_coalesce(struct net_device *dev,
8293 struct ethtool_coalesce *coal)
8294{
8295 struct bnx2x *bp = netdev_priv(dev);
8296
8297 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8298 if (bp->rx_ticks > 3000)
8299 bp->rx_ticks = 3000;
8300
8301 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8302 if (bp->tx_ticks > 0x3000)
8303 bp->tx_ticks = 0x3000;
8304
34f80b04 8305 if (netif_running(dev))
a2fbb9ea
ET		 8306 bnx2x_update_coalesce(bp);
8307
8308 return 0;
8309}
8310
8311static void bnx2x_get_ringparam(struct net_device *dev,
8312 struct ethtool_ringparam *ering)
8313{
8314 struct bnx2x *bp = netdev_priv(dev);
8315
8316 ering->rx_max_pending = MAX_RX_AVAIL;
8317 ering->rx_mini_max_pending = 0;
8318 ering->rx_jumbo_max_pending = 0;
8319
8320 ering->rx_pending = bp->rx_ring_size;
8321 ering->rx_mini_pending = 0;
8322 ering->rx_jumbo_pending = 0;
8323
8324 ering->tx_max_pending = MAX_TX_AVAIL;
8325 ering->tx_pending = bp->tx_ring_size;
8326}
8327
8328static int bnx2x_set_ringparam(struct net_device *dev,
8329 struct ethtool_ringparam *ering)
8330{
8331 struct bnx2x *bp = netdev_priv(dev);
34f80b04 8332 int rc = 0;
a2fbb9ea
ET		 8333
8334 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8335 (ering->tx_pending > MAX_TX_AVAIL) ||
8336 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8337 return -EINVAL;
8338
8339 bp->rx_ring_size = ering->rx_pending;
8340 bp->tx_ring_size = ering->tx_pending;
8341
34f80b04
EG		 8342 if (netif_running(dev)) {
8343 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8344 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
a2fbb9ea
ET		 8345 }
8346
34f80b04 8347 return rc;
a2fbb9ea
ET		 8348}
8349
8350static void bnx2x_get_pauseparam(struct net_device *dev,
8351 struct ethtool_pauseparam *epause)
8352{
8353 struct bnx2x *bp = netdev_priv(dev);
8354
c18487ee
YR		 8355 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8356 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8357
8358 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8359 FLOW_CTRL_RX);
8360 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8361 FLOW_CTRL_TX);
a2fbb9ea
ET		 8362
8363 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8364 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8365 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8366}
8367
8368static int bnx2x_set_pauseparam(struct net_device *dev,
8369 struct ethtool_pauseparam *epause)
8370{
8371 struct bnx2x *bp = netdev_priv(dev);
8372
34f80b04
EG		 8373 if (IS_E1HMF(bp))
8374 return 0;
8375
a2fbb9ea
ET		 8376 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8377 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8378 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8379
c18487ee 8380 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
a2fbb9ea 8381
f1410647 8382 if (epause->rx_pause)
c18487ee
YR		 8383 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8384
f1410647 8385 if (epause->tx_pause)
c18487ee
YR		 8386 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8387
8388 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8389 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
a2fbb9ea 8390
c18487ee 8391 if (epause->autoneg) {
34f80b04 8392 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
3196a88a 8393 DP(NETIF_MSG_LINK, "autoneg not supported\n");
c18487ee
YR		 8394 return -EINVAL;
8395 }
a2fbb9ea 8396
c18487ee
YR		 8397 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8398 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8399 }
a2fbb9ea 8400
c18487ee
YR		 8401 DP(NETIF_MSG_LINK,
8402 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
34f80b04
EG		 8403
8404 if (netif_running(dev)) {
bb2a0f7a 8405 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
34f80b04
EG		 8406 bnx2x_link_set(bp);
8407 }
a2fbb9ea
ET		 8408
8409 return 0;
8410}
8411
df0f2343
VZ		 8412static int bnx2x_set_flags(struct net_device *dev, u32 data)
8413{
8414 struct bnx2x *bp = netdev_priv(dev);
8415 int changed = 0;
8416 int rc = 0;
8417
8418 /* TPA requires Rx CSUM offloading */
8419 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8420 if (!(dev->features & NETIF_F_LRO)) {
8421 dev->features |= NETIF_F_LRO;
8422 bp->flags |= TPA_ENABLE_FLAG;
8423 changed = 1;
8424 }
8425
8426 } else if (dev->features & NETIF_F_LRO) {
8427 dev->features &= ~NETIF_F_LRO;
8428 bp->flags &= ~TPA_ENABLE_FLAG;
8429 changed = 1;
8430 }
8431
8432 if (changed && netif_running(dev)) {
8433 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8434 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8435 }
8436
8437 return rc;
8438}
8439
a2fbb9ea
ET		 8440static u32 bnx2x_get_rx_csum(struct net_device *dev)
8441{
8442 struct bnx2x *bp = netdev_priv(dev);
8443
8444 return bp->rx_csum;
8445}
8446
8447static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8448{
8449 struct bnx2x *bp = netdev_priv(dev);
df0f2343 8450 int rc = 0;
a2fbb9ea
ET		 8451
8452 bp->rx_csum = data;
df0f2343
VZ		 8453
8454 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8455 TPA'ed packets will be discarded due to wrong TCP CSUM */
8456 if (!data) {
8457 u32 flags = ethtool_op_get_flags(dev);
8458
8459 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8460 }
8461
8462 return rc;
a2fbb9ea
ET		 8463}
8464
8465static int bnx2x_set_tso(struct net_device *dev, u32 data)
8466{
755735eb 8467 if (data) {
a2fbb9ea 8468 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
755735eb
EG		 8469 dev->features |= NETIF_F_TSO6;
8470 } else {
a2fbb9ea 8471 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
755735eb
EG		 8472 dev->features &= ~NETIF_F_TSO6;
8473 }
8474
a2fbb9ea
ET		 8475 return 0;
8476}
8477
f3c87cdd 8478static const struct {
a2fbb9ea
ET		 8479 char string[ETH_GSTRING_LEN];
8480} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
f3c87cdd
YG		 8481 { "register_test (offline)" },
8482 { "memory_test (offline)" },
8483 { "loopback_test (offline)" },
8484 { "nvram_test (online)" },
8485 { "interrupt_test (online)" },
8486 { "link_test (online)" },
8487 { "idle check (online)" },
8488 { "MC errors (online)" }
a2fbb9ea
ET		 8489};
8490
8491static int bnx2x_self_test_count(struct net_device *dev)
8492{
8493 return BNX2X_NUM_TESTS;
8494}
8495
f3c87cdd
YG		 8496static int bnx2x_test_registers(struct bnx2x *bp)
8497{
8498 int idx, i, rc = -ENODEV;
8499 u32 wr_val = 0;
9dabc424 8500 int port = BP_PORT(bp);
f3c87cdd
YG		 8501 static const struct {
8502 u32 offset0;
8503 u32 offset1;
8504 u32 mask;
8505 } reg_tbl[] = {
8506/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8507 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8508 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8509 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8510 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8511 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8512 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8513 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8514 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8515 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8516/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8517 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8518 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8519 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8520 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8521 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8522 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8523 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8524 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8525 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8526/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8527 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8528 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8529 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8530 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8531 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8532 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8533 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8534 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8535 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8536/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8537 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8538 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8539 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8540 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8541 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8542 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8543 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8544
8545 { 0xffffffff, 0, 0x00000000 }
8546 };
8547
8548 if (!netif_running(bp->dev))
8549 return rc;
8550
8551 /* Repeat the test twice:
8552 First by writing 0x00000000, second by writing 0xffffffff */
8553 for (idx = 0; idx < 2; idx++) {
8554
8555 switch (idx) {
8556 case 0:
8557 wr_val = 0;
8558 break;
8559 case 1:
8560 wr_val = 0xffffffff;
8561 break;
8562 }
8563
8564 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8565 u32 offset, mask, save_val, val;
f3c87cdd
YG		 8566
8567 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8568 mask = reg_tbl[i].mask;
8569
8570 save_val = REG_RD(bp, offset);
8571
8572 REG_WR(bp, offset, wr_val);
8573 val = REG_RD(bp, offset);
8574
8575 /* Restore the original register's value */
8576 REG_WR(bp, offset, save_val);
8577
8578 /* verify that value is as expected value */
8579 if ((val & mask) != (wr_val & mask))
8580 goto test_reg_exit;
8581 }
8582 }
8583
8584 rc = 0;
8585
8586test_reg_exit:
8587 return rc;
8588}
8589
8590static int bnx2x_test_memory(struct bnx2x *bp)
8591{
8592 int i, j, rc = -ENODEV;
8593 u32 val;
8594 static const struct {
8595 u32 offset;
8596 int size;
8597 } mem_tbl[] = {
8598 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8599 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8600 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8601 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8602 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8603 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8604 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8605
8606 { 0xffffffff, 0 }
8607 };
8608 static const struct {
8609 char *name;
8610 u32 offset;
9dabc424
YG		 8611 u32 e1_mask;
8612 u32 e1h_mask;
f3c87cdd 8613 } prty_tbl[] = {
9dabc424
YG		 8614 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8615 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8616 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8617 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8618 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8619 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
8620
8621 { NULL, 0xffffffff, 0, 0 }
f3c87cdd
YG		 8622 };
8623
8624 if (!netif_running(bp->dev))
8625 return rc;
8626
8627 /* Go through all the memories */
8628 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8629 for (j = 0; j < mem_tbl[i].size; j++)
8630 REG_RD(bp, mem_tbl[i].offset + j*4);
8631
8632 /* Check the parity status */
8633 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8634 val = REG_RD(bp, prty_tbl[i].offset);
9dabc424
YG		 8635 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8636 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
f3c87cdd
YG		 8637 DP(NETIF_MSG_HW,
8638 "%s is 0x%x\n", prty_tbl[i].name, val);
8639 goto test_mem_exit;
8640 }
8641 }
8642
8643 rc = 0;
8644
8645test_mem_exit:
8646 return rc;
8647}
8648
f3c87cdd
YG		 8649static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8650{
8651 int cnt = 1000;
8652
8653 if (link_up)
8654 while (bnx2x_link_test(bp) && cnt--)
8655 msleep(10);
8656}
8657
8658static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8659{
8660 unsigned int pkt_size, num_pkts, i;
8661 struct sk_buff *skb;
8662 unsigned char *packet;
8663 struct bnx2x_fastpath *fp = &bp->fp[0];
8664 u16 tx_start_idx, tx_idx;
8665 u16 rx_start_idx, rx_idx;
8666 u16 pkt_prod;
8667 struct sw_tx_bd *tx_buf;
8668 struct eth_tx_bd *tx_bd;
8669 dma_addr_t mapping;
8670 union eth_rx_cqe *cqe;
8671 u8 cqe_fp_flags;
8672 struct sw_rx_bd *rx_buf;
8673 u16 len;
8674 int rc = -ENODEV;
8675
8676 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8677 bp->link_params.loopback_mode = LOOPBACK_BMAC;
4a37fb66 8678 bnx2x_acquire_phy_lock(bp);
f3c87cdd 8679 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
4a37fb66 8680 bnx2x_release_phy_lock(bp);
f3c87cdd
YG		 8681
8682 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8683 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
4a37fb66 8684 bnx2x_acquire_phy_lock(bp);
f3c87cdd 8685 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
4a37fb66 8686 bnx2x_release_phy_lock(bp);
f3c87cdd
YG		 8687 /* wait until link state is restored */
8688 bnx2x_wait_for_link(bp, link_up);
8689
8690 } else
8691 return -EINVAL;
8692
8693 pkt_size = 1514;
8694 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8695 if (!skb) {
8696 rc = -ENOMEM;
8697 goto test_loopback_exit;
8698 }
8699 packet = skb_put(skb, pkt_size);
8700 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8701 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8702 for (i = ETH_HLEN; i < pkt_size; i++)
8703 packet[i] = (unsigned char) (i & 0xff);
8704
8705 num_pkts = 0;
8706 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8707 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8708
8709 pkt_prod = fp->tx_pkt_prod++;
8710 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8711 tx_buf->first_bd = fp->tx_bd_prod;
8712 tx_buf->skb = skb;
8713
8714 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8715 mapping = pci_map_single(bp->pdev, skb->data,
8716 skb_headlen(skb), PCI_DMA_TODEVICE);
8717 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8718 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8719 tx_bd->nbd = cpu_to_le16(1);
8720 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8721 tx_bd->vlan = cpu_to_le16(pkt_prod);
8722 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8723 ETH_TX_BD_FLAGS_END_BD);
8724 tx_bd->general_data = ((UNICAST_ADDRESS <<
8725 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8726
8727 fp->hw_tx_prods->bds_prod =
8728 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8729 mb(); /* FW restriction: must not reorder writing nbd and packets */
8730 fp->hw_tx_prods->packets_prod =
8731 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8732 DOORBELL(bp, FP_IDX(fp), 0);
8733
8734 mmiowb();
8735
8736 num_pkts++;
8737 fp->tx_bd_prod++;
8738 bp->dev->trans_start = jiffies;
8739
8740 udelay(100);
8741
8742 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8743 if (tx_idx != tx_start_idx + num_pkts)
8744 goto test_loopback_exit;
8745
8746 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8747 if (rx_idx != rx_start_idx + num_pkts)
8748 goto test_loopback_exit;
8749
8750 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8751 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8752 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8753 goto test_loopback_rx_exit;
8754
8755 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8756 if (len != pkt_size)
8757 goto test_loopback_rx_exit;
8758
8759 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8760 skb = rx_buf->skb;
8761 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8762 for (i = ETH_HLEN; i < pkt_size; i++)
8763 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8764 goto test_loopback_rx_exit;
8765
8766 rc = 0;
8767
8768test_loopback_rx_exit:
8769 bp->dev->last_rx = jiffies;
8770
8771 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8772 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8773 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8774 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8775
8776 /* Update producers */
8777 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8778 fp->rx_sge_prod);
8779 mmiowb(); /* keep prod updates ordered */
8780
8781test_loopback_exit:
8782 bp->link_params.loopback_mode = LOOPBACK_NONE;
8783
8784 return rc;
8785}
8786
8787static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8788{
8789 int rc = 0;
8790
8791 if (!netif_running(bp->dev))
8792 return BNX2X_LOOPBACK_FAILED;
8793
8794 bnx2x_netif_stop(bp);
8795
8796 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8797 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8798 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8799 }
8800
8801 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8802 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8803 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8804 }
8805
8806 bnx2x_netif_start(bp);
8807
8808 return rc;
8809}
8810
8811#define CRC32_RESIDUAL 0xdebb20e3
8812
8813static int bnx2x_test_nvram(struct bnx2x *bp)
8814{
8815 static const struct {
8816 int offset;
8817 int size;
8818 } nvram_tbl[] = {
8819 { 0, 0x14 }, /* bootstrap */
8820 { 0x14, 0xec }, /* dir */
8821 { 0x100, 0x350 }, /* manuf_info */
8822 { 0x450, 0xf0 }, /* feature_info */
8823 { 0x640, 0x64 }, /* upgrade_key_info */
8824 { 0x6a4, 0x64 },
8825 { 0x708, 0x70 }, /* manuf_key_info */
8826 { 0x778, 0x70 },
8827 { 0, 0 }
8828 };
8829 u32 buf[0x350 / 4];
8830 u8 *data = (u8 *)buf;
8831 int i, rc;
8832 u32 magic, csum;
8833
8834 rc = bnx2x_nvram_read(bp, 0, data, 4);
8835 if (rc) {
8836 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8837 goto test_nvram_exit;
8838 }
8839
8840 magic = be32_to_cpu(buf[0]);
8841 if (magic != 0x669955aa) {
8842 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8843 rc = -ENODEV;
8844 goto test_nvram_exit;
8845 }
8846
8847 for (i = 0; nvram_tbl[i].size; i++) {
8848
8849 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8850 nvram_tbl[i].size);
8851 if (rc) {
8852 DP(NETIF_MSG_PROBE,
8853 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8854 goto test_nvram_exit;
8855 }
8856
8857 csum = ether_crc_le(nvram_tbl[i].size, data);
8858 if (csum != CRC32_RESIDUAL) {
8859 DP(NETIF_MSG_PROBE,
8860 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8861 rc = -ENODEV;
8862 goto test_nvram_exit;
8863 }
8864 }
8865
8866test_nvram_exit:
8867 return rc;
8868}
8869
8870static int bnx2x_test_intr(struct bnx2x *bp)
8871{
8872 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8873 int i, rc;
8874
8875 if (!netif_running(bp->dev))
8876 return -ENODEV;
8877
8878 config->hdr.length_6b = 0;
8879 config->hdr.offset = 0;
8880 config->hdr.client_id = BP_CL_ID(bp);
8881 config->hdr.reserved1 = 0;
8882
8883 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8884 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8885 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8886 if (rc == 0) {
8887 bp->set_mac_pending++;
8888 for (i = 0; i < 10; i++) {
8889 if (!bp->set_mac_pending)
8890 break;
8891 msleep_interruptible(10);
8892 }
8893 if (i == 10)
8894 rc = -ENODEV;
8895 }
8896
8897 return rc;
8898}
8899
a2fbb9ea
ET		 8900static void bnx2x_self_test(struct net_device *dev,
8901 struct ethtool_test *etest, u64 *buf)
8902{
8903 struct bnx2x *bp = netdev_priv(dev);
a2fbb9ea
ET		 8904
8905 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8906
f3c87cdd 8907 if (!netif_running(dev))
a2fbb9ea 8908 return;
a2fbb9ea 8909
33471629 8910 /* offline tests are not supported in MF mode */
f3c87cdd
YG		 8911 if (IS_E1HMF(bp))
8912 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8913
8914 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8915 u8 link_up;
8916
8917 link_up = bp->link_vars.link_up;
8918 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8919 bnx2x_nic_load(bp, LOAD_DIAG);
8920 /* wait until link state is restored */
8921 bnx2x_wait_for_link(bp, link_up);
8922
8923 if (bnx2x_test_registers(bp) != 0) {
8924 buf[0] = 1;
8925 etest->flags |= ETH_TEST_FL_FAILED;
8926 }
8927 if (bnx2x_test_memory(bp) != 0) {
8928 buf[1] = 1;
8929 etest->flags |= ETH_TEST_FL_FAILED;
8930 }
8931 buf[2] = bnx2x_test_loopback(bp, link_up);
8932 if (buf[2] != 0)
8933 etest->flags |= ETH_TEST_FL_FAILED;
a2fbb9ea 8934
f3c87cdd
YG		 8935 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8936 bnx2x_nic_load(bp, LOAD_NORMAL);
8937 /* wait until link state is restored */
8938 bnx2x_wait_for_link(bp, link_up);
8939 }
8940 if (bnx2x_test_nvram(bp) != 0) {
8941 buf[3] = 1;
a2fbb9ea
ET		 8942 etest->flags |= ETH_TEST_FL_FAILED;
8943 }
f3c87cdd
YG		 8944 if (bnx2x_test_intr(bp) != 0) {
8945 buf[4] = 1;
8946 etest->flags |= ETH_TEST_FL_FAILED;
8947 }
8948 if (bp->port.pmf)
8949 if (bnx2x_link_test(bp) != 0) {
8950 buf[5] = 1;
8951 etest->flags |= ETH_TEST_FL_FAILED;
8952 }
8953 buf[7] = bnx2x_mc_assert(bp);
8954 if (buf[7] != 0)
8955 etest->flags |= ETH_TEST_FL_FAILED;
8956
8957#ifdef BNX2X_EXTRA_DEBUG
8958 bnx2x_panic_dump(bp);
8959#endif
a2fbb9ea
ET		 8960}
8961
bb2a0f7a
YG		 8962static const struct {
8963 long offset;
8964 int size;
8965 u32 flags;
66e855f3
YG		 8966#define STATS_FLAGS_PORT 1
8967#define STATS_FLAGS_FUNC 2
8968 u8 string[ETH_GSTRING_LEN];
bb2a0f7a 8969} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
66e855f3
YG		 8970/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8971 8, STATS_FLAGS_FUNC, "rx_bytes" },
8972 { STATS_OFFSET32(error_bytes_received_hi),
8973 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8974 { STATS_OFFSET32(total_bytes_transmitted_hi),
8975 8, STATS_FLAGS_FUNC, "tx_bytes" },
8976 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8977 8, STATS_FLAGS_PORT, "tx_error_bytes" },
bb2a0f7a 8978 { STATS_OFFSET32(total_unicast_packets_received_hi),
66e855f3 8979 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
bb2a0f7a 8980 { STATS_OFFSET32(total_multicast_packets_received_hi),
66e855f3 8981 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
bb2a0f7a 8982 { STATS_OFFSET32(total_broadcast_packets_received_hi),
66e855f3 8983 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
bb2a0f7a 8984 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
66e855f3 8985 8, STATS_FLAGS_FUNC, "tx_packets" },
bb2a0f7a 8986 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
66e855f3 8987 8, STATS_FLAGS_PORT, "tx_mac_errors" },
bb2a0f7a 8988/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
66e855f3 8989 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
bb2a0f7a 8990 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
66e855f3 8991 8, STATS_FLAGS_PORT, "rx_crc_errors" },
bb2a0f7a 8992 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
66e855f3 8993 8, STATS_FLAGS_PORT, "rx_align_errors" },
bb2a0f7a 8994 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
66e855f3 8995 8, STATS_FLAGS_PORT, "tx_single_collisions" },
bb2a0f7a 8996 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
66e855f3 8997 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
bb2a0f7a 8998 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
66e855f3 8999 8, STATS_FLAGS_PORT, "tx_deferred" },
bb2a0f7a 9000 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
66e855f3 9001 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
bb2a0f7a 9002 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
66e855f3 9003 8, STATS_FLAGS_PORT, "tx_late_collisions" },
bb2a0f7a 9004 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
66e855f3 9005 8, STATS_FLAGS_PORT, "tx_total_collisions" },
bb2a0f7a 9006 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
66e855f3
YG		 9007 8, STATS_FLAGS_PORT, "rx_fragments" },
9008/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9009 8, STATS_FLAGS_PORT, "rx_jabbers" },
bb2a0f7a 9010 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
66e855f3 9011 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
bb2a0f7a 9012 { STATS_OFFSET32(jabber_packets_received),
66e855f3 9013 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
bb2a0f7a 9014 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
66e855f3 9015 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
bb2a0f7a 9016 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
66e855f3 9017 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
bb2a0f7a 9018 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
66e855f3 9019 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
bb2a0f7a 9020 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
66e855f3 9021 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
bb2a0f7a 9022 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
66e855f3 9023 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
bb2a0f7a 9024 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
66e855f3 9025 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
bb2a0f7a 9026 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
66e855f3 9027 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
bb2a0f7a 9028/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
66e855f3 9029 8, STATS_FLAGS_PORT, "rx_xon_frames" },
bb2a0f7a 9030 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
66e855f3
YG		 9031 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9032 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9033 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9034 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9035 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
bb2a0f7a 9036 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
66e855f3
YG		 9037 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9038 { STATS_OFFSET32(mac_filter_discard),
9039 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9040 { STATS_OFFSET32(no_buff_discard),
9041 4, STATS_FLAGS_FUNC, "rx_discards" },
9042 { STATS_OFFSET32(xxoverflow_discard),
9043 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9044 { STATS_OFFSET32(brb_drop_hi),
9045 8, STATS_FLAGS_PORT, "brb_discard" },
9046 { STATS_OFFSET32(brb_truncate_hi),
9047 8, STATS_FLAGS_PORT, "brb_truncate" },
9048/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9049 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9050 { STATS_OFFSET32(rx_skb_alloc_failed),
9051 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9052/* 42 */{ STATS_OFFSET32(hw_csum_err),
9053 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
a2fbb9ea
ET		 9054};
9055
66e855f3
YG		 9056#define IS_NOT_E1HMF_STAT(bp, i) \
9057 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9058
a2fbb9ea
ET		 9059static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9060{
bb2a0f7a
YG		 9061 struct bnx2x *bp = netdev_priv(dev);
9062 int i, j;
9063
a2fbb9ea
ET		 9064 switch (stringset) {
9065 case ETH_SS_STATS:
bb2a0f7a 9066 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
66e855f3 9067 if (IS_NOT_E1HMF_STAT(bp, i))
bb2a0f7a
YG		 9068 continue;
9069 strcpy(buf + j*ETH_GSTRING_LEN,
9070 bnx2x_stats_arr[i].string);
9071 j++;
9072 }
a2fbb9ea
ET		 9073 break;
9074
9075 case ETH_SS_TEST:
9076 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9077 break;
9078 }
9079}
9080
9081static int bnx2x_get_stats_count(struct net_device *dev)
9082{
bb2a0f7a
YG		 9083 struct bnx2x *bp = netdev_priv(dev);
9084 int i, num_stats = 0;
9085
9086 for (i = 0; i < BNX2X_NUM_STATS; i++) {
66e855f3 9087 if (IS_NOT_E1HMF_STAT(bp, i))
bb2a0f7a
YG		 9088 continue;
9089 num_stats++;
9090 }
9091 return num_stats;
a2fbb9ea
ET		 9092}
9093
9094static void bnx2x_get_ethtool_stats(struct net_device *dev,
9095 struct ethtool_stats *stats, u64 *buf)
9096{
9097 struct bnx2x *bp = netdev_priv(dev);
bb2a0f7a
YG		 9098 u32 *hw_stats = (u32 *)&bp->eth_stats;
9099 int i, j;
a2fbb9ea 9100
bb2a0f7a 9101 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
66e855f3 9102 if (IS_NOT_E1HMF_STAT(bp, i))
a2fbb9ea 9103 continue;
bb2a0f7a
YG		 9104
9105 if (bnx2x_stats_arr[i].size == 0) {
9106 /* skip this counter */
9107 buf[j] = 0;
9108 j++;
a2fbb9ea
ET		 9109 continue;
9110 }
bb2a0f7a 9111 if (bnx2x_stats_arr[i].size == 4) {
a2fbb9ea 9112 /* 4-byte counter */
bb2a0f7a
YG		 9113 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9114 j++;
a2fbb9ea
ET		 9115 continue;
9116 }
9117 /* 8-byte counter */
bb2a0f7a
YG		 9118 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9119 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9120 j++;
a2fbb9ea
ET		 9121 }
9122}
9123
9124static int bnx2x_phys_id(struct net_device *dev, u32 data)
9125{
9126 struct bnx2x *bp = netdev_priv(dev);
34f80b04 9127 int port = BP_PORT(bp);
a2fbb9ea
ET		 9128 int i;
9129
34f80b04
EG		 9130 if (!netif_running(dev))
9131 return 0;
9132
9133 if (!bp->port.pmf)
9134 return 0;
9135
a2fbb9ea
ET		 9136 if (data == 0)
9137 data = 2;
9138
9139 for (i = 0; i < (data * 2); i++) {
c18487ee 9140 if ((i % 2) == 0)
34f80b04 9141 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
c18487ee
YR		 9142 bp->link_params.hw_led_mode,
9143 bp->link_params.chip_id);
9144 else
34f80b04 9145 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
c18487ee
YR		 9146 bp->link_params.hw_led_mode,
9147 bp->link_params.chip_id);
9148
a2fbb9ea
ET		 9149 msleep_interruptible(500);
9150 if (signal_pending(current))
9151 break;
9152 }
9153
c18487ee 9154 if (bp->link_vars.link_up)
34f80b04 9155 bnx2x_set_led(bp, port, LED_MODE_OPER,
c18487ee
YR		 9156 bp->link_vars.line_speed,
9157 bp->link_params.hw_led_mode,
9158 bp->link_params.chip_id);
a2fbb9ea
ET		 9159
9160 return 0;
9161}
9162
9163static struct ethtool_ops bnx2x_ethtool_ops = {
7a9b2557
VZ		 9164 .get_settings = bnx2x_get_settings,
9165 .set_settings = bnx2x_set_settings,
9166 .get_drvinfo = bnx2x_get_drvinfo,
a2fbb9ea
ET		 9167 .get_wol = bnx2x_get_wol,
9168 .set_wol = bnx2x_set_wol,
7a9b2557
VZ		 9169 .get_msglevel = bnx2x_get_msglevel,
9170 .set_msglevel = bnx2x_set_msglevel,
9171 .nway_reset = bnx2x_nway_reset,
9172 .get_link = ethtool_op_get_link,
9173 .get_eeprom_len = bnx2x_get_eeprom_len,
9174 .get_eeprom = bnx2x_get_eeprom,
9175 .set_eeprom = bnx2x_set_eeprom,
9176 .get_coalesce = bnx2x_get_coalesce,
9177 .set_coalesce = bnx2x_set_coalesce,
9178 .get_ringparam = bnx2x_get_ringparam,
9179 .set_ringparam = bnx2x_set_ringparam,
9180 .get_pauseparam = bnx2x_get_pauseparam,
9181 .set_pauseparam = bnx2x_set_pauseparam,
9182 .get_rx_csum = bnx2x_get_rx_csum,
9183 .set_rx_csum = bnx2x_set_rx_csum,
9184 .get_tx_csum = ethtool_op_get_tx_csum,
755735eb 9185 .set_tx_csum = ethtool_op_set_tx_hw_csum,
7a9b2557
VZ		 9186 .set_flags = bnx2x_set_flags,
9187 .get_flags = ethtool_op_get_flags,
9188 .get_sg = ethtool_op_get_sg,
9189 .set_sg = ethtool_op_set_sg,
a2fbb9ea
ET		 9190 .get_tso = ethtool_op_get_tso,
9191 .set_tso = bnx2x_set_tso,
9192 .self_test_count = bnx2x_self_test_count,
7a9b2557
VZ		 9193 .self_test = bnx2x_self_test,
9194 .get_strings = bnx2x_get_strings,
a2fbb9ea
ET		 9195 .phys_id = bnx2x_phys_id,
9196 .get_stats_count = bnx2x_get_stats_count,
bb2a0f7a 9197 .get_ethtool_stats = bnx2x_get_ethtool_stats,
a2fbb9ea
ET		 9198};
9199
9200/* end of ethtool_ops */
9201
9202/****************************************************************************
9203* General service functions
9204****************************************************************************/
9205
9206static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9207{
9208 u16 pmcsr;
9209
9210 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9211
9212 switch (state) {
9213 case PCI_D0:
34f80b04 9214 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
a2fbb9ea
ET		 9215 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9216 PCI_PM_CTRL_PME_STATUS));
9217
9218 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
33471629 9219 /* delay required during transition out of D3hot */
a2fbb9ea 9220 msleep(20);
34f80b04 9221 break;
a2fbb9ea 9222
34f80b04
EG		 9223 case PCI_D3hot:
9224 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9225 pmcsr |= 3;
a2fbb9ea 9226
34f80b04
EG		 9227 if (bp->wol)
9228 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
a2fbb9ea 9229
34f80b04
EG		 9230 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9231 pmcsr);
a2fbb9ea 9232
34f80b04
EG		 9233 /* No more memory access after this point until
9234 * device is brought back to D0.
9235 */
9236 break;
9237
9238 default:
9239 return -EINVAL;
9240 }
9241 return 0;
a2fbb9ea
ET		 9242}
9243
34f80b04
EG		 9244/*
9245 * net_device service functions
9246 */
9247
a2fbb9ea
ET		 9248static int bnx2x_poll(struct napi_struct *napi, int budget)
9249{
9250 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9251 napi);
9252 struct bnx2x *bp = fp->bp;
9253 int work_done = 0;
2772f903 9254 u16 rx_cons_sb;
a2fbb9ea
ET		 9255
9256#ifdef BNX2X_STOP_ON_ERROR
9257 if (unlikely(bp->panic))
34f80b04 9258 goto poll_panic;
a2fbb9ea
ET		 9259#endif
9260
9261 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9262 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9263 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9264
9265 bnx2x_update_fpsb_idx(fp);
9266
da5a662a 9267 if (BNX2X_HAS_TX_WORK(fp))
a2fbb9ea
ET		 9268 bnx2x_tx_int(fp, budget);
9269
2772f903
EG		 9270 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9271 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9272 rx_cons_sb++;
da5a662a 9273 if (BNX2X_HAS_RX_WORK(fp))
a2fbb9ea
ET		 9274 work_done = bnx2x_rx_int(fp, budget);
9275
da5a662a 9276 rmb(); /* BNX2X_HAS_WORK() reads the status block */
2772f903
EG		 9277 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9278 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9279 rx_cons_sb++;
a2fbb9ea
ET		 9280
9281 /* must not complete if we consumed full budget */
da5a662a 9282 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
a2fbb9ea
ET		 9283
9284#ifdef BNX2X_STOP_ON_ERROR
34f80b04 9285poll_panic:
a2fbb9ea
ET		 9286#endif
9287 netif_rx_complete(bp->dev, napi);
9288
34f80b04 9289 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
a2fbb9ea 9290 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
34f80b04 9291 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
a2fbb9ea
ET		 9292 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9293 }
a2fbb9ea
ET		 9294 return work_done;
9295}
9296
755735eb
EG		 9297
9298/* we split the first BD into headers and data BDs
33471629 9299 * to ease the pain of our fellow microcode engineers
755735eb
EG		 9300 * we use one mapping for both BDs
9301 * So far this has only been observed to happen
9302 * in Other Operating Systems(TM)
9303 */
9304static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9305 struct bnx2x_fastpath *fp,
9306 struct eth_tx_bd **tx_bd, u16 hlen,
9307 u16 bd_prod, int nbd)
9308{
9309 struct eth_tx_bd *h_tx_bd = *tx_bd;
9310 struct eth_tx_bd *d_tx_bd;
9311 dma_addr_t mapping;
9312 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9313
9314 /* first fix first BD */
9315 h_tx_bd->nbd = cpu_to_le16(nbd);
9316 h_tx_bd->nbytes = cpu_to_le16(hlen);
9317
9318 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9319 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9320 h_tx_bd->addr_lo, h_tx_bd->nbd);
9321
9322 /* now get a new data BD
9323 * (after the pbd) and fill it */
9324 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9325 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9326
9327 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9328 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9329
9330 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9331 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9332 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9333 d_tx_bd->vlan = 0;
9334 /* this marks the BD as one that has no individual mapping
9335 * the FW ignores this flag in a BD not marked start
9336 */
9337 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9338 DP(NETIF_MSG_TX_QUEUED,
9339 "TSO split data size is %d (%x:%x)\n",
9340 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9341
9342 /* update tx_bd for marking the last BD flag */
9343 *tx_bd = d_tx_bd;
9344
9345 return bd_prod;
9346}
9347
9348static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9349{
9350 if (fix > 0)
9351 csum = (u16) ~csum_fold(csum_sub(csum,
9352 csum_partial(t_header - fix, fix, 0)));
9353
9354 else if (fix < 0)
9355 csum = (u16) ~csum_fold(csum_add(csum,
9356 csum_partial(t_header, -fix, 0)));
9357
9358 return swab16(csum);
9359}
9360
9361static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9362{
9363 u32 rc;
9364
9365 if (skb->ip_summed != CHECKSUM_PARTIAL)
9366 rc = XMIT_PLAIN;
9367
9368 else {
9369 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9370 rc = XMIT_CSUM_V6;
9371 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9372 rc |= XMIT_CSUM_TCP;
9373
9374 } else {
9375 rc = XMIT_CSUM_V4;
9376 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9377 rc |= XMIT_CSUM_TCP;
9378 }
9379 }
9380
9381 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9382 rc |= XMIT_GSO_V4;
9383
9384 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9385 rc |= XMIT_GSO_V6;
9386
9387 return rc;
9388}
9389
9390/* check if packet requires linearization (packet is too fragmented) */
9391static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9392 u32 xmit_type)
9393{
9394 int to_copy = 0;
9395 int hlen = 0;
9396 int first_bd_sz = 0;
9397
9398 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9399 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9400
9401 if (xmit_type & XMIT_GSO) {
9402 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9403 /* Check if LSO packet needs to be copied:
9404 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9405 int wnd_size = MAX_FETCH_BD - 3;
33471629 9406 /* Number of windows to check */
755735eb
EG		 9407 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9408 int wnd_idx = 0;
9409 int frag_idx = 0;
9410 u32 wnd_sum = 0;
9411
9412 /* Headers length */
9413 hlen = (int)(skb_transport_header(skb) - skb->data) +
9414 tcp_hdrlen(skb);
9415
9416 /* Amount of data (w/o headers) on linear part of SKB*/
9417 first_bd_sz = skb_headlen(skb) - hlen;
9418
9419 wnd_sum = first_bd_sz;
9420
9421 /* Calculate the first sum - it's special */
9422 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9423 wnd_sum +=
9424 skb_shinfo(skb)->frags[frag_idx].size;
9425
9426 /* If there was data on linear skb data - check it */
9427 if (first_bd_sz > 0) {
9428 if (unlikely(wnd_sum < lso_mss)) {
9429 to_copy = 1;
9430 goto exit_lbl;
9431 }
9432
9433 wnd_sum -= first_bd_sz;
9434 }
9435
9436 /* Others are easier: run through the frag list and
9437 check all windows */
9438 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9439 wnd_sum +=
9440 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9441
9442 if (unlikely(wnd_sum < lso_mss)) {
9443 to_copy = 1;
9444 break;
9445 }
9446 wnd_sum -=
9447 skb_shinfo(skb)->frags[wnd_idx].size;
9448 }
9449
9450 } else {
9451 /* in non-LSO too fragmented packet should always
9452 be linearized */
9453 to_copy = 1;
9454 }
9455 }
9456
9457exit_lbl:
9458 if (unlikely(to_copy))
9459 DP(NETIF_MSG_TX_QUEUED,
9460 "Linearization IS REQUIRED for %s packet. "
9461 "num_frags %d hlen %d first_bd_sz %d\n",
9462 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9463 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9464
9465 return to_copy;
9466}
9467
9468/* called with netif_tx_lock
a2fbb9ea 9469 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
755735eb 9470 * netif_wake_queue()
a2fbb9ea
ET		 9471 */
9472static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9473{
9474 struct bnx2x *bp = netdev_priv(dev);
9475 struct bnx2x_fastpath *fp;
9476 struct sw_tx_bd *tx_buf;
9477 struct eth_tx_bd *tx_bd;
9478 struct eth_tx_parse_bd *pbd = NULL;
9479 u16 pkt_prod, bd_prod;
755735eb 9480 int nbd, fp_index;
a2fbb9ea 9481 dma_addr_t mapping;
755735eb
EG		 9482 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9483 int vlan_off = (bp->e1hov ? 4 : 0);
9484 int i;
9485 u8 hlen = 0;
a2fbb9ea
ET		 9486
9487#ifdef BNX2X_STOP_ON_ERROR
9488 if (unlikely(bp->panic))
9489 return NETDEV_TX_BUSY;
9490#endif
9491
755735eb 9492 fp_index = (smp_processor_id() % bp->num_queues);
a2fbb9ea 9493 fp = &bp->fp[fp_index];
755735eb 9494
231fd58a 9495 if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
bb2a0f7a 9496 bp->eth_stats.driver_xoff++,
a2fbb9ea
ET		 9497 netif_stop_queue(dev);
9498 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9499 return NETDEV_TX_BUSY;
9500 }
9501
755735eb
EG		 9502 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9503 " gso type %x xmit_type %x\n",
9504 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9505 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9506
33471629 9507 /* First, check if we need to linearize the skb
755735eb
EG		 9508 (due to FW restrictions) */
9509 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9510 /* Statistics of linearization */
9511 bp->lin_cnt++;
9512 if (skb_linearize(skb) != 0) {
9513 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9514 "silently dropping this SKB\n");
9515 dev_kfree_skb_any(skb);
da5a662a 9516 return NETDEV_TX_OK;
755735eb
EG		 9517 }
9518 }
9519
a2fbb9ea 9520 /*
755735eb 9521 Please read carefully. First we use one BD which we mark as start,
a2fbb9ea 9522 then for TSO or xsum we have a parsing info BD,
755735eb 9523 and only then we have the rest of the TSO BDs.
a2fbb9ea
ET		 9524 (don't forget to mark the last one as last,
9525 and to unmap only AFTER you write to the BD ...)
755735eb 9526 And above all, all pdb sizes are in words - NOT DWORDS!
a2fbb9ea
ET		 9527 */
9528
9529 pkt_prod = fp->tx_pkt_prod++;
755735eb 9530 bd_prod = TX_BD(fp->tx_bd_prod);
a2fbb9ea 9531
755735eb 9532 /* get a tx_buf and first BD */
a2fbb9ea
ET		 9533 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9534 tx_bd = &fp->tx_desc_ring[bd_prod];
9535
9536 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9537 tx_bd->general_data = (UNICAST_ADDRESS <<
9538 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
3196a88a
EG		 9539 /* header nbd */
9540 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
a2fbb9ea 9541
755735eb
EG		 9542 /* remember the first BD of the packet */
9543 tx_buf->first_bd = fp->tx_bd_prod;
9544 tx_buf->skb = skb;
a2fbb9ea
ET		 9545
9546 DP(NETIF_MSG_TX_QUEUED,
9547 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9548 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9549
755735eb
EG		 9550 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9551 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9552 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
9553 vlan_off += 4;
9554 } else
9555 tx_bd->vlan = cpu_to_le16(pkt_prod);
a2fbb9ea 9556
755735eb 9557 if (xmit_type) {
755735eb 9558 /* turn on parsing and get a BD */
a2fbb9ea
ET		 9559 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9560 pbd = (void *)&fp->tx_desc_ring[bd_prod];
755735eb
EG		 9561
9562 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9563 }
9564
9565 if (xmit_type & XMIT_CSUM) {
9566 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
a2fbb9ea
ET		 9567
9568 /* for now NS flag is not used in Linux */
755735eb 9569 pbd->global_data = (hlen |
96fc1784 9570 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
a2fbb9ea 9571 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
a2fbb9ea 9572
755735eb
EG		 9573 pbd->ip_hlen = (skb_transport_header(skb) -
9574 skb_network_header(skb)) / 2;
9575
9576 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
a2fbb9ea 9577
755735eb
EG		 9578 pbd->total_hlen = cpu_to_le16(hlen);
9579 hlen = hlen*2 - vlan_off;
a2fbb9ea 9580
755735eb
EG		 9581 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9582
9583 if (xmit_type & XMIT_CSUM_V4)
a2fbb9ea 9584 tx_bd->bd_flags.as_bitfield |=
755735eb
EG		 9585 ETH_TX_BD_FLAGS_IP_CSUM;
9586 else
9587 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9588
9589 if (xmit_type & XMIT_CSUM_TCP) {
9590 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9591
9592 } else {
9593 s8 fix = SKB_CS_OFF(skb); /* signed! */
9594
a2fbb9ea 9595 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
755735eb 9596 pbd->cs_offset = fix / 2;
a2fbb9ea 9597
755735eb
EG		 9598 DP(NETIF_MSG_TX_QUEUED,
9599 "hlen %d offset %d fix %d csum before fix %x\n",
9600 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9601 SKB_CS(skb));
9602
9603 /* HW bug: fixup the CSUM */
9604 pbd->tcp_pseudo_csum =
9605 bnx2x_csum_fix(skb_transport_header(skb),
9606 SKB_CS(skb), fix);
9607
9608 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9609 pbd->tcp_pseudo_csum);
9610 }
a2fbb9ea
ET		 9611 }
9612
9613 mapping = pci_map_single(bp->pdev, skb->data,
755735eb 9614 skb_headlen(skb), PCI_DMA_TODEVICE);
a2fbb9ea
ET		 9615
9616 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9617 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
6378c025 9618 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
a2fbb9ea
ET		 9619 tx_bd->nbd = cpu_to_le16(nbd);
9620 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9621
9622 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
755735eb
EG		 9623 " nbytes %d flags %x vlan %x\n",
9624 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9625 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9626 le16_to_cpu(tx_bd->vlan));
a2fbb9ea 9627
755735eb 9628 if (xmit_type & XMIT_GSO) {
a2fbb9ea
ET		 9629
9630 DP(NETIF_MSG_TX_QUEUED,
9631 "TSO packet len %d hlen %d total len %d tso size %d\n",
9632 skb->len, hlen, skb_headlen(skb),
9633 skb_shinfo(skb)->gso_size);
9634
9635 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9636
755735eb
EG		 9637 if (unlikely(skb_headlen(skb) > hlen))
9638 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9639 bd_prod, ++nbd);
a2fbb9ea
ET		 9640
9641 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9642 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
755735eb
EG		 9643 pbd->tcp_flags = pbd_tcp_flags(skb);
9644
9645 if (xmit_type & XMIT_GSO_V4) {
9646 pbd->ip_id = swab16(ip_hdr(skb)->id);
9647 pbd->tcp_pseudo_csum =
a2fbb9ea
ET		 9648 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9649 ip_hdr(skb)->daddr,
9650 0, IPPROTO_TCP, 0));
755735eb
EG		 9651
9652 } else
9653 pbd->tcp_pseudo_csum =
9654 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9655 &ipv6_hdr(skb)->daddr,
9656 0, IPPROTO_TCP, 0));
9657
a2fbb9ea
ET		 9658 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9659 }
9660
755735eb
EG		 9661 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9662 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
a2fbb9ea 9663
755735eb
EG		 9664 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9665 tx_bd = &fp->tx_desc_ring[bd_prod];
a2fbb9ea 9666
755735eb
EG		 9667 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9668 frag->size, PCI_DMA_TODEVICE);
a2fbb9ea 9669
755735eb
EG		 9670 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9671 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9672 tx_bd->nbytes = cpu_to_le16(frag->size);
9673 tx_bd->vlan = cpu_to_le16(pkt_prod);
9674 tx_bd->bd_flags.as_bitfield = 0;
a2fbb9ea 9675
755735eb
EG		 9676 DP(NETIF_MSG_TX_QUEUED,
9677 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9678 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9679 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
a2fbb9ea
ET		 9680 }
9681
755735eb 9682 /* now at last mark the BD as the last BD */
a2fbb9ea
ET		 9683 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9684
9685 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9686 tx_bd, tx_bd->bd_flags.as_bitfield);
9687
a2fbb9ea
ET		 9688 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9689
755735eb 9690 /* now send a tx doorbell, counting the next BD
a2fbb9ea
ET		 9691 * if the packet contains or ends with it
9692 */
9693 if (TX_BD_POFF(bd_prod) < nbd)
9694 nbd++;
9695
9696 if (pbd)
9697 DP(NETIF_MSG_TX_QUEUED,
9698 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9699 " tcp_flags %x xsum %x seq %u hlen %u\n",
9700 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9701 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
755735eb 9702 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
a2fbb9ea 9703
755735eb 9704 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
a2fbb9ea 9705
96fc1784
ET		 9706 fp->hw_tx_prods->bds_prod =
9707 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
a2fbb9ea 9708 mb(); /* FW restriction: must not reorder writing nbd and packets */
96fc1784
ET		 9709 fp->hw_tx_prods->packets_prod =
9710 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
755735eb 9711 DOORBELL(bp, FP_IDX(fp), 0);
a2fbb9ea
ET		 9712
9713 mmiowb();
9714
755735eb 9715 fp->tx_bd_prod += nbd;
a2fbb9ea
ET		 9716 dev->trans_start = jiffies;
9717
9718 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9719 netif_stop_queue(dev);
bb2a0f7a 9720 bp->eth_stats.driver_xoff++;
a2fbb9ea
ET		 9721 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9722 netif_wake_queue(dev);
9723 }
9724 fp->tx_pkt++;
9725
9726 return NETDEV_TX_OK;
9727}
9728
bb2a0f7a 9729/* called with rtnl_lock */
a2fbb9ea
ET		 9730static int bnx2x_open(struct net_device *dev)
9731{
9732 struct bnx2x *bp = netdev_priv(dev);
9733
9734 bnx2x_set_power_state(bp, PCI_D0);
9735
bb2a0f7a 9736 return bnx2x_nic_load(bp, LOAD_OPEN);
a2fbb9ea
ET		 9737}
9738
bb2a0f7a 9739/* called with rtnl_lock */
a2fbb9ea
ET		 9740static int bnx2x_close(struct net_device *dev)
9741{
a2fbb9ea
ET		 9742 struct bnx2x *bp = netdev_priv(dev);
9743
9744 /* Unload the driver, release IRQs */
bb2a0f7a
YG		 9745 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9746 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9747 if (!CHIP_REV_IS_SLOW(bp))
9748 bnx2x_set_power_state(bp, PCI_D3hot);
a2fbb9ea
ET		 9749
9750 return 0;
9751}
9752
34f80b04
EG		 9753/* called with netif_tx_lock from set_multicast */
9754static void bnx2x_set_rx_mode(struct net_device *dev)
9755{
9756 struct bnx2x *bp = netdev_priv(dev);
9757 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9758 int port = BP_PORT(bp);
9759
9760 if (bp->state != BNX2X_STATE_OPEN) {
9761 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9762 return;
9763 }
9764
9765 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9766
9767 if (dev->flags & IFF_PROMISC)
9768 rx_mode = BNX2X_RX_MODE_PROMISC;
9769
9770 else if ((dev->flags & IFF_ALLMULTI) ||
9771 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9772 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9773
9774 else { /* some multicasts */
9775 if (CHIP_IS_E1(bp)) {
9776 int i, old, offset;
9777 struct dev_mc_list *mclist;
9778 struct mac_configuration_cmd *config =
9779 bnx2x_sp(bp, mcast_config);
9780
9781 for (i = 0, mclist = dev->mc_list;
9782 mclist && (i < dev->mc_count);
9783 i++, mclist = mclist->next) {
9784
9785 config->config_table[i].
9786 cam_entry.msb_mac_addr =
9787 swab16(*(u16 *)&mclist->dmi_addr[0]);
9788 config->config_table[i].
9789 cam_entry.middle_mac_addr =
9790 swab16(*(u16 *)&mclist->dmi_addr[2]);
9791 config->config_table[i].
9792 cam_entry.lsb_mac_addr =
9793 swab16(*(u16 *)&mclist->dmi_addr[4]);
9794 config->config_table[i].cam_entry.flags =
9795 cpu_to_le16(port);
9796 config->config_table[i].
9797 target_table_entry.flags = 0;
9798 config->config_table[i].
9799 target_table_entry.client_id = 0;
9800 config->config_table[i].
9801 target_table_entry.vlan_id = 0;
9802
9803 DP(NETIF_MSG_IFUP,
9804 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9805 config->config_table[i].
9806 cam_entry.msb_mac_addr,
9807 config->config_table[i].
9808 cam_entry.middle_mac_addr,
9809 config->config_table[i].
9810 cam_entry.lsb_mac_addr);
9811 }
9812 old = config->hdr.length_6b;
9813 if (old > i) {
9814 for (; i < old; i++) {
9815 if (CAM_IS_INVALID(config->
9816 config_table[i])) {
9817 i--; /* already invalidated */
9818 break;
9819 }
9820 /* invalidate */
9821 CAM_INVALIDATE(config->
9822 config_table[i]);
9823 }
9824 }
9825
9826 if (CHIP_REV_IS_SLOW(bp))
9827 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9828 else
9829 offset = BNX2X_MAX_MULTICAST*(1 + port);
9830
9831 config->hdr.length_6b = i;
9832 config->hdr.offset = offset;
9833 config->hdr.client_id = BP_CL_ID(bp);
9834 config->hdr.reserved1 = 0;
9835
9836 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9837 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9838 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9839 0);
9840 } else { /* E1H */
9841 /* Accept one or more multicasts */
9842 struct dev_mc_list *mclist;
9843 u32 mc_filter[MC_HASH_SIZE];
9844 u32 crc, bit, regidx;
9845 int i;
9846
9847 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9848
9849 for (i = 0, mclist = dev->mc_list;
9850 mclist && (i < dev->mc_count);
9851 i++, mclist = mclist->next) {
9852
9853 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9854 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9855 mclist->dmi_addr[0], mclist->dmi_addr[1],
9856 mclist->dmi_addr[2], mclist->dmi_addr[3],
9857 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9858
9859 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9860 bit = (crc >> 24) & 0xff;
9861 regidx = bit >> 5;
9862 bit &= 0x1f;
9863 mc_filter[regidx] |= (1 << bit);
9864 }
9865
9866 for (i = 0; i < MC_HASH_SIZE; i++)
9867 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9868 mc_filter[i]);
9869 }
9870 }
9871
9872 bp->rx_mode = rx_mode;
9873 bnx2x_set_storm_rx_mode(bp);
9874}
9875
9876/* called with rtnl_lock */
a2fbb9ea
ET		 9877static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9878{
9879 struct sockaddr *addr = p;
9880 struct bnx2x *bp = netdev_priv(dev);
9881
34f80b04 9882 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
a2fbb9ea
ET		 9883 return -EINVAL;
9884
9885 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
34f80b04
EG		 9886 if (netif_running(dev)) {
9887 if (CHIP_IS_E1(bp))
3101c2bc 9888 bnx2x_set_mac_addr_e1(bp, 1);
34f80b04 9889 else
3101c2bc 9890 bnx2x_set_mac_addr_e1h(bp, 1);
34f80b04 9891 }
a2fbb9ea
ET		 9892
9893 return 0;
9894}
9895
c18487ee 9896/* called with rtnl_lock */
a2fbb9ea
ET		 9897static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9898{
9899 struct mii_ioctl_data *data = if_mii(ifr);
9900 struct bnx2x *bp = netdev_priv(dev);
3196a88a 9901 int port = BP_PORT(bp);
a2fbb9ea
ET		 9902 int err;
9903
9904 switch (cmd) {
9905 case SIOCGMIIPHY:
34f80b04 9906 data->phy_id = bp->port.phy_addr;
a2fbb9ea 9907
c14423fe 9908 /* fallthrough */
c18487ee 9909
a2fbb9ea 9910 case SIOCGMIIREG: {
c18487ee 9911 u16 mii_regval;
a2fbb9ea 9912
c18487ee
YR		 9913 if (!netif_running(dev))
9914 return -EAGAIN;
a2fbb9ea 9915
34f80b04 9916 mutex_lock(&bp->port.phy_mutex);
3196a88a 9917 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
c18487ee
YR		 9918 DEFAULT_PHY_DEV_ADDR,
9919 (data->reg_num & 0x1f), &mii_regval);
9920 data->val_out = mii_regval;
34f80b04 9921 mutex_unlock(&bp->port.phy_mutex);
a2fbb9ea
ET		 9922 return err;
9923 }
9924
9925 case SIOCSMIIREG:
9926 if (!capable(CAP_NET_ADMIN))
9927 return -EPERM;
9928
c18487ee
YR		 9929 if (!netif_running(dev))
9930 return -EAGAIN;
9931
34f80b04 9932 mutex_lock(&bp->port.phy_mutex);
3196a88a 9933 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
c18487ee
YR		 9934 DEFAULT_PHY_DEV_ADDR,
9935 (data->reg_num & 0x1f), data->val_in);
34f80b04 9936 mutex_unlock(&bp->port.phy_mutex);
a2fbb9ea
ET		 9937 return err;
9938
9939 default:
9940 /* do nothing */
9941 break;
9942 }
9943
9944 return -EOPNOTSUPP;
9945}
9946
34f80b04 9947/* called with rtnl_lock */
a2fbb9ea
ET		 9948static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9949{
9950 struct bnx2x *bp = netdev_priv(dev);
34f80b04 9951 int rc = 0;
a2fbb9ea
ET		 9952
9953 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9954 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9955 return -EINVAL;
9956
9957 /* This does not race with packet allocation
c14423fe 9958 * because the actual alloc size is
a2fbb9ea
ET		 9959 * only updated as part of load
9960 */
9961 dev->mtu = new_mtu;
9962
9963 if (netif_running(dev)) {
34f80b04
EG		 9964 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9965 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
a2fbb9ea 9966 }
34f80b04
EG		 9967
9968 return rc;
a2fbb9ea
ET		 9969}
9970
9971static void bnx2x_tx_timeout(struct net_device *dev)
9972{
9973 struct bnx2x *bp = netdev_priv(dev);
9974
9975#ifdef BNX2X_STOP_ON_ERROR
9976 if (!bp->panic)
9977 bnx2x_panic();
9978#endif
9979 /* This allows the netif to be shutdown gracefully before resetting */
9980 schedule_work(&bp->reset_task);
9981}
9982
9983#ifdef BCM_VLAN
34f80b04 9984/* called with rtnl_lock */
a2fbb9ea
ET		 9985static void bnx2x_vlan_rx_register(struct net_device *dev,
9986 struct vlan_group *vlgrp)
9987{
9988 struct bnx2x *bp = netdev_priv(dev);
9989
9990 bp->vlgrp = vlgrp;
9991 if (netif_running(dev))
49d66772 9992 bnx2x_set_client_config(bp);
a2fbb9ea 9993}
34f80b04 9994
a2fbb9ea
ET		 9995#endif
9996
9997#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9998static void poll_bnx2x(struct net_device *dev)
9999{
10000 struct bnx2x *bp = netdev_priv(dev);
10001
10002 disable_irq(bp->pdev->irq);
10003 bnx2x_interrupt(bp->pdev->irq, dev);
10004 enable_irq(bp->pdev->irq);
10005}
10006#endif
10007
34f80b04
EG		 10008static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10009 struct net_device *dev)
a2fbb9ea
ET		 10010{
10011 struct bnx2x *bp;
10012 int rc;
10013
10014 SET_NETDEV_DEV(dev, &pdev->dev);
10015 bp = netdev_priv(dev);
10016
34f80b04
EG		 10017 bp->dev = dev;
10018 bp->pdev = pdev;
a2fbb9ea 10019 bp->flags = 0;
34f80b04 10020 bp->func = PCI_FUNC(pdev->devfn);
a2fbb9ea
ET		 10021
10022 rc = pci_enable_device(pdev);
10023 if (rc) {
10024 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10025 goto err_out;
10026 }
10027
10028 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10029 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10030 " aborting\n");
10031 rc = -ENODEV;
10032 goto err_out_disable;
10033 }
10034
10035 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10036 printk(KERN_ERR PFX "Cannot find second PCI device"
10037 " base address, aborting\n");
10038 rc = -ENODEV;
10039 goto err_out_disable;
10040 }
10041
34f80b04
EG		 10042 if (atomic_read(&pdev->enable_cnt) == 1) {
10043 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10044 if (rc) {
10045 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10046 " aborting\n");
10047 goto err_out_disable;
10048 }
a2fbb9ea 10049
34f80b04
EG		 10050 pci_set_master(pdev);
10051 pci_save_state(pdev);
10052 }
a2fbb9ea
ET		 10053
10054 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10055 if (bp->pm_cap == 0) {
10056 printk(KERN_ERR PFX "Cannot find power management"
10057 " capability, aborting\n");
10058 rc = -EIO;
10059 goto err_out_release;
10060 }
10061
10062 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10063 if (bp->pcie_cap == 0) {
10064 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10065 " aborting\n");
10066 rc = -EIO;
10067 goto err_out_release;
10068 }
10069
10070 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10071 bp->flags |= USING_DAC_FLAG;
10072 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10073 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10074 " failed, aborting\n");
10075 rc = -EIO;
10076 goto err_out_release;
10077 }
10078
10079 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10080 printk(KERN_ERR PFX "System does not support DMA,"
10081 " aborting\n");
10082 rc = -EIO;
10083 goto err_out_release;
10084 }
10085
34f80b04
EG		 10086 dev->mem_start = pci_resource_start(pdev, 0);
10087 dev->base_addr = dev->mem_start;
10088 dev->mem_end = pci_resource_end(pdev, 0);
a2fbb9ea
ET		 10089
10090 dev->irq = pdev->irq;
10091
10092 bp->regview = ioremap_nocache(dev->base_addr,
10093 pci_resource_len(pdev, 0));
10094 if (!bp->regview) {
10095 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10096 rc = -ENOMEM;
10097 goto err_out_release;
10098 }
10099
34f80b04
EG		 10100 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10101 min_t(u64, BNX2X_DB_SIZE,
10102 pci_resource_len(pdev, 2)));
a2fbb9ea
ET		 10103 if (!bp->doorbells) {
10104 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10105 rc = -ENOMEM;
10106 goto err_out_unmap;
10107 }
10108
10109 bnx2x_set_power_state(bp, PCI_D0);
10110
34f80b04
EG		 10111 /* clean indirect addresses */
10112 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10113 PCICFG_VENDOR_ID_OFFSET);
10114 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10115 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10116 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10117 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
a2fbb9ea 10118
34f80b04
EG		 10119 dev->hard_start_xmit = bnx2x_start_xmit;
10120 dev->watchdog_timeo = TX_TIMEOUT;
a2fbb9ea 10121
34f80b04
EG		 10122 dev->ethtool_ops = &bnx2x_ethtool_ops;
10123 dev->open = bnx2x_open;
10124 dev->stop = bnx2x_close;
10125 dev->set_multicast_list = bnx2x_set_rx_mode;
10126 dev->set_mac_address = bnx2x_change_mac_addr;
10127 dev->do_ioctl = bnx2x_ioctl;
10128 dev->change_mtu = bnx2x_change_mtu;
10129 dev->tx_timeout = bnx2x_tx_timeout;
10130#ifdef BCM_VLAN
10131 dev->vlan_rx_register = bnx2x_vlan_rx_register;
10132#endif
10133#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10134 dev->poll_controller = poll_bnx2x;
10135#endif
10136 dev->features |= NETIF_F_SG;
10137 dev->features |= NETIF_F_HW_CSUM;
10138 if (bp->flags & USING_DAC_FLAG)
10139 dev->features |= NETIF_F_HIGHDMA;
10140#ifdef BCM_VLAN
10141 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10142#endif
10143 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
755735eb 10144 dev->features |= NETIF_F_TSO6;
a2fbb9ea
ET		 10145
10146 return 0;
10147
10148err_out_unmap:
10149 if (bp->regview) {
10150 iounmap(bp->regview);
10151 bp->regview = NULL;
10152 }
a2fbb9ea
ET		 10153 if (bp->doorbells) {
10154 iounmap(bp->doorbells);
10155 bp->doorbells = NULL;
10156 }
10157
10158err_out_release:
34f80b04
EG		 10159 if (atomic_read(&pdev->enable_cnt) == 1)
10160 pci_release_regions(pdev);
a2fbb9ea
ET		 10161
10162err_out_disable:
10163 pci_disable_device(pdev);
10164 pci_set_drvdata(pdev, NULL);
10165
10166err_out:
10167 return rc;
10168}
10169
25047950
ET		 10170static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10171{
10172 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10173
10174 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10175 return val;
10176}
10177
10178/* return value of 1=2.5GHz 2=5GHz */
10179static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10180{
10181 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10182
10183 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10184 return val;
10185}
10186
a2fbb9ea
ET		 10187static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10188 const struct pci_device_id *ent)
10189{
10190 static int version_printed;
10191 struct net_device *dev = NULL;
10192 struct bnx2x *bp;
25047950 10193 int rc;
25047950 10194 DECLARE_MAC_BUF(mac);
a2fbb9ea
ET		 10195
10196 if (version_printed++ == 0)
10197 printk(KERN_INFO "%s", version);
10198
10199 /* dev zeroed in init_etherdev */
10200 dev = alloc_etherdev(sizeof(*bp));
34f80b04
EG		 10201 if (!dev) {
10202 printk(KERN_ERR PFX "Cannot allocate net device\n");
a2fbb9ea 10203 return -ENOMEM;
34f80b04 10204 }
a2fbb9ea
ET		 10205
10206 netif_carrier_off(dev);
10207
10208 bp = netdev_priv(dev);
10209 bp->msglevel = debug;
10210
34f80b04 10211 rc = bnx2x_init_dev(pdev, dev);
a2fbb9ea
ET		 10212 if (rc < 0) {
10213 free_netdev(dev);
10214 return rc;
10215 }
10216
a2fbb9ea
ET		 10217 rc = register_netdev(dev);
10218 if (rc) {
c14423fe 10219 dev_err(&pdev->dev, "Cannot register net device\n");
34f80b04 10220 goto init_one_exit;
a2fbb9ea
ET		 10221 }
10222
10223 pci_set_drvdata(pdev, dev);
10224
34f80b04
EG		 10225 rc = bnx2x_init_bp(bp);
10226 if (rc) {
10227 unregister_netdev(dev);
10228 goto init_one_exit;
10229 }
10230
10231 bp->common.name = board_info[ent->driver_data].name;
25047950 10232 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
34f80b04
EG		 10233 " IRQ %d, ", dev->name, bp->common.name,
10234 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
25047950
ET		 10235 bnx2x_get_pcie_width(bp),
10236 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10237 dev->base_addr, bp->pdev->irq);
10238 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
a2fbb9ea 10239 return 0;
34f80b04
EG		 10240
10241init_one_exit:
10242 if (bp->regview)
10243 iounmap(bp->regview);
10244
10245 if (bp->doorbells)
10246 iounmap(bp->doorbells);
10247
10248 free_netdev(dev);
10249
10250 if (atomic_read(&pdev->enable_cnt) == 1)
10251 pci_release_regions(pdev);
10252
10253 pci_disable_device(pdev);
10254 pci_set_drvdata(pdev, NULL);
10255
10256 return rc;
a2fbb9ea
ET		 10257}
10258
10259static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10260{
10261 struct net_device *dev = pci_get_drvdata(pdev);
228241eb
ET		 10262 struct bnx2x *bp;
10263
10264 if (!dev) {
228241eb
ET		 10265 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10266 return;
10267 }
228241eb 10268 bp = netdev_priv(dev);
a2fbb9ea 10269
a2fbb9ea
ET		 10270 unregister_netdev(dev);
10271
10272 if (bp->regview)
10273 iounmap(bp->regview);
10274
10275 if (bp->doorbells)
10276 iounmap(bp->doorbells);
10277
10278 free_netdev(dev);
34f80b04
EG		 10279
10280 if (atomic_read(&pdev->enable_cnt) == 1)
10281 pci_release_regions(pdev);
10282
a2fbb9ea
ET		 10283 pci_disable_device(pdev);
10284 pci_set_drvdata(pdev, NULL);
10285}
10286
10287static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10288{
10289 struct net_device *dev = pci_get_drvdata(pdev);
228241eb
ET		 10290 struct bnx2x *bp;
10291
34f80b04
EG		 10292 if (!dev) {
10293 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10294 return -ENODEV;
10295 }
10296 bp = netdev_priv(dev);
a2fbb9ea 10297
34f80b04 10298 rtnl_lock();
a2fbb9ea 10299
34f80b04 10300 pci_save_state(pdev);
228241eb 10301
34f80b04
EG		 10302 if (!netif_running(dev)) {
10303 rtnl_unlock();
10304 return 0;
10305 }
a2fbb9ea
ET		 10306
10307 netif_device_detach(dev);
a2fbb9ea 10308
da5a662a 10309 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
34f80b04 10310
a2fbb9ea 10311 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
228241eb 10312
34f80b04
EG		 10313 rtnl_unlock();
10314
a2fbb9ea
ET		 10315 return 0;
10316}
10317
10318static int bnx2x_resume(struct pci_dev *pdev)
10319{
10320 struct net_device *dev = pci_get_drvdata(pdev);
228241eb 10321 struct bnx2x *bp;
a2fbb9ea
ET		 10322 int rc;
10323
228241eb
ET		 10324 if (!dev) {
10325 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10326 return -ENODEV;
10327 }
228241eb 10328 bp = netdev_priv(dev);
a2fbb9ea 10329
34f80b04
EG		 10330 rtnl_lock();
10331
228241eb 10332 pci_restore_state(pdev);
34f80b04
EG		 10333
10334 if (!netif_running(dev)) {
10335 rtnl_unlock();
10336 return 0;
10337 }
10338
a2fbb9ea
ET		 10339 bnx2x_set_power_state(bp, PCI_D0);
10340 netif_device_attach(dev);
10341
da5a662a 10342 rc = bnx2x_nic_load(bp, LOAD_OPEN);
a2fbb9ea 10343
34f80b04
EG		 10344 rtnl_unlock();
10345
10346 return rc;
a2fbb9ea
ET		 10347}
10348
493adb1f
WX		 10349/**
10350 * bnx2x_io_error_detected - called when PCI error is detected
10351 * @pdev: Pointer to PCI device
10352 * @state: The current pci connection state
10353 *
10354 * This function is called after a PCI bus error affecting
10355 * this device has been detected.
10356 */
10357static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10358 pci_channel_state_t state)
10359{
10360 struct net_device *dev = pci_get_drvdata(pdev);
10361 struct bnx2x *bp = netdev_priv(dev);
10362
10363 rtnl_lock();
10364
10365 netif_device_detach(dev);
10366
10367 if (netif_running(dev))
10368 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10369
10370 pci_disable_device(pdev);
10371
10372 rtnl_unlock();
10373
10374 /* Request a slot reset */
10375 return PCI_ERS_RESULT_NEED_RESET;
10376}
10377
10378/**
10379 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10380 * @pdev: Pointer to PCI device
10381 *
10382 * Restart the card from scratch, as if from a cold-boot.
10383 */
10384static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10385{
10386 struct net_device *dev = pci_get_drvdata(pdev);
10387 struct bnx2x *bp = netdev_priv(dev);
10388
10389 rtnl_lock();
10390
10391 if (pci_enable_device(pdev)) {
10392 dev_err(&pdev->dev,
10393 "Cannot re-enable PCI device after reset\n");
10394 rtnl_unlock();
10395 return PCI_ERS_RESULT_DISCONNECT;
10396 }
10397
10398 pci_set_master(pdev);
10399 pci_restore_state(pdev);
10400
10401 if (netif_running(dev))
10402 bnx2x_set_power_state(bp, PCI_D0);
10403
10404 rtnl_unlock();
10405
10406 return PCI_ERS_RESULT_RECOVERED;
10407}
10408
10409/**
10410 * bnx2x_io_resume - called when traffic can start flowing again
10411 * @pdev: Pointer to PCI device
10412 *
10413 * This callback is called when the error recovery driver tells us that
10414 * its OK to resume normal operation.
10415 */
10416static void bnx2x_io_resume(struct pci_dev *pdev)
10417{
10418 struct net_device *dev = pci_get_drvdata(pdev);
10419 struct bnx2x *bp = netdev_priv(dev);
10420
10421 rtnl_lock();
10422
10423 if (netif_running(dev))
10424 bnx2x_nic_load(bp, LOAD_OPEN);
10425
10426 netif_device_attach(dev);
10427
10428 rtnl_unlock();
10429}
10430
10431static struct pci_error_handlers bnx2x_err_handler = {
10432 .error_detected = bnx2x_io_error_detected,
10433 .slot_reset = bnx2x_io_slot_reset,
10434 .resume = bnx2x_io_resume,
10435};
10436
a2fbb9ea 10437static struct pci_driver bnx2x_pci_driver = {
493adb1f
WX		 10438 .name = DRV_MODULE_NAME,
10439 .id_table = bnx2x_pci_tbl,
10440 .probe = bnx2x_init_one,
10441 .remove = __devexit_p(bnx2x_remove_one),
10442 .suspend = bnx2x_suspend,
10443 .resume = bnx2x_resume,
10444 .err_handler = &bnx2x_err_handler,
a2fbb9ea
ET		 10445};
10446
10447static int __init bnx2x_init(void)
10448{
10449 return pci_register_driver(&bnx2x_pci_driver);
10450}
10451
10452static void __exit bnx2x_cleanup(void)
10453{
10454 pci_unregister_driver(&bnx2x_pci_driver);
10455}
10456
10457module_init(bnx2x_init);
10458module_exit(bnx2x_cleanup);
10459
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