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bnx2x: Handling probe failures
[linux.git] / drivers / net / bnx2x_main.c
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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 <[email protected]>
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>
0c6671b0 41#include <linux/if_vlan.h>
a2fbb9ea
ET		 42#include <net/ip.h>
43#include <net/tcp.h>
44#include <net/checksum.h>
34f80b04 45#include <net/ip6_checksum.h>
a2fbb9ea
ET		 46#include <linux/workqueue.h>
47#include <linux/crc32.h>
34f80b04 48#include <linux/crc32c.h>
a2fbb9ea
ET		 49#include <linux/prefetch.h>
50#include <linux/zlib.h>
a2fbb9ea
ET		 51#include <linux/io.h>
52
53#include "bnx2x_reg.h"
54#include "bnx2x_fw_defs.h"
55#include "bnx2x_hsi.h"
c18487ee 56#include "bnx2x_link.h"
a2fbb9ea
ET		 57#include "bnx2x.h"
58#include "bnx2x_init.h"
59
ca8eac55
EG		 60#define DRV_MODULE_VERSION "1.45.23"
61#define DRV_MODULE_RELDATE "2008/11/03"
34f80b04 62#define BNX2X_BC_VER 0x040200
a2fbb9ea 63
34f80b04
EG		 64/* Time in jiffies before concluding the transmitter is hung */
65#define TX_TIMEOUT (5*HZ)
a2fbb9ea 66
53a10565 67static char version[] __devinitdata =
34f80b04 68 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
a2fbb9ea
ET		 69 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
70
24e3fcef 71MODULE_AUTHOR("Eliezer Tamir");
a2fbb9ea
ET		 72MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
73MODULE_LICENSE("GPL");
74MODULE_VERSION(DRV_MODULE_VERSION);
a2fbb9ea 75
19680c48 76static int disable_tpa;
a2fbb9ea
ET		 77static int use_inta;
78static int poll;
a2fbb9ea 79static int debug;
34f80b04 80static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
a2fbb9ea
ET		 81static int use_multi;
82
19680c48 83module_param(disable_tpa, int, 0);
a2fbb9ea
ET		 84module_param(use_inta, int, 0);
85module_param(poll, int, 0);
a2fbb9ea 86module_param(debug, int, 0);
19680c48 87MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
a2fbb9ea
ET		 88MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
89MODULE_PARM_DESC(poll, "use polling (for debug)");
c14423fe 90MODULE_PARM_DESC(debug, "default debug msglevel");
a2fbb9ea
ET		 91
92#ifdef BNX2X_MULTI
93module_param(use_multi, int, 0);
94MODULE_PARM_DESC(use_multi, "use per-CPU queues");
95#endif
1cf167f2 96static struct workqueue_struct *bnx2x_wq;
a2fbb9ea
ET		 97
98enum bnx2x_board_type {
99 BCM57710 = 0,
34f80b04
EG		 100 BCM57711 = 1,
101 BCM57711E = 2,
a2fbb9ea
ET		 102};
103
34f80b04 104/* indexed by board_type, above */
53a10565 105static struct {
a2fbb9ea
ET		 106 char *name;
107} board_info[] __devinitdata = {
34f80b04
EG		 108 { "Broadcom NetXtreme II BCM57710 XGb" },
109 { "Broadcom NetXtreme II BCM57711 XGb" },
110 { "Broadcom NetXtreme II BCM57711E XGb" }
a2fbb9ea
ET		 111};
112
34f80b04 113
a2fbb9ea
ET		 114static const struct pci_device_id bnx2x_pci_tbl[] = {
115 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
116 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
34f80b04
EG		 117 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
119 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
a2fbb9ea
ET		 121 { 0 }
122};
123
124MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
125
126/****************************************************************************
127* General service functions
128****************************************************************************/
129
130/* used only at init
131 * locking is done by mcp
132 */
133static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
134{
135 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
136 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
138 PCICFG_VENDOR_ID_OFFSET);
139}
140
a2fbb9ea
ET		 141static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
142{
143 u32 val;
144
145 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
146 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
147 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
148 PCICFG_VENDOR_ID_OFFSET);
149
150 return val;
151}
a2fbb9ea
ET		 152
153static const u32 dmae_reg_go_c[] = {
154 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
155 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
156 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
157 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
158};
159
160/* copy command into DMAE command memory and set DMAE command go */
161static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
162 int idx)
163{
164 u32 cmd_offset;
165 int i;
166
167 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
168 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
169 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
170
ad8d3948
EG		 171 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
172 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
a2fbb9ea
ET		 173 }
174 REG_WR(bp, dmae_reg_go_c[idx], 1);
175}
176
ad8d3948
EG		 177void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
178 u32 len32)
a2fbb9ea 179{
ad8d3948 180 struct dmae_command *dmae = &bp->init_dmae;
a2fbb9ea 181 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
ad8d3948
EG		 182 int cnt = 200;
183
184 if (!bp->dmae_ready) {
185 u32 *data = bnx2x_sp(bp, wb_data[0]);
186
187 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
188 " using indirect\n", dst_addr, len32);
189 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
190 return;
191 }
192
193 mutex_lock(&bp->dmae_mutex);
a2fbb9ea
ET		 194
195 memset(dmae, 0, sizeof(struct dmae_command));
196
197 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
198 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
199 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
200#ifdef __BIG_ENDIAN
201 DMAE_CMD_ENDIANITY_B_DW_SWAP |
202#else
203 DMAE_CMD_ENDIANITY_DW_SWAP |
204#endif
34f80b04
EG		 205 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
206 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
a2fbb9ea
ET		 207 dmae->src_addr_lo = U64_LO(dma_addr);
208 dmae->src_addr_hi = U64_HI(dma_addr);
209 dmae->dst_addr_lo = dst_addr >> 2;
210 dmae->dst_addr_hi = 0;
211 dmae->len = len32;
212 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
213 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
ad8d3948 214 dmae->comp_val = DMAE_COMP_VAL;
a2fbb9ea 215
ad8d3948 216 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
a2fbb9ea
ET		 217 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
218 "dst_addr [%x:%08x (%08x)]\n"
219 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
220 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
221 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
222 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
ad8d3948 223 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
a2fbb9ea
ET		 224 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
225 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
a2fbb9ea
ET		 226
227 *wb_comp = 0;
228
34f80b04 229 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
a2fbb9ea
ET		 230
231 udelay(5);
ad8d3948
EG		 232
233 while (*wb_comp != DMAE_COMP_VAL) {
234 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
235
ad8d3948 236 if (!cnt) {
a2fbb9ea
ET		 237 BNX2X_ERR("dmae timeout!\n");
238 break;
239 }
ad8d3948 240 cnt--;
12469401
YG		 241 /* adjust delay for emulation/FPGA */
242 if (CHIP_REV_IS_SLOW(bp))
243 msleep(100);
244 else
245 udelay(5);
a2fbb9ea 246 }
ad8d3948
EG		 247
248 mutex_unlock(&bp->dmae_mutex);
a2fbb9ea
ET		 249}
250
c18487ee 251void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
a2fbb9ea 252{
ad8d3948 253 struct dmae_command *dmae = &bp->init_dmae;
a2fbb9ea 254 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
ad8d3948
EG		 255 int cnt = 200;
256
257 if (!bp->dmae_ready) {
258 u32 *data = bnx2x_sp(bp, wb_data[0]);
259 int i;
260
261 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
262 " using indirect\n", src_addr, len32);
263 for (i = 0; i < len32; i++)
264 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
265 return;
266 }
267
268 mutex_lock(&bp->dmae_mutex);
a2fbb9ea
ET		 269
270 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
271 memset(dmae, 0, sizeof(struct dmae_command));
272
273 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
274 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
275 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
276#ifdef __BIG_ENDIAN
277 DMAE_CMD_ENDIANITY_B_DW_SWAP |
278#else
279 DMAE_CMD_ENDIANITY_DW_SWAP |
280#endif
34f80b04
EG		 281 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
282 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
a2fbb9ea
ET		 283 dmae->src_addr_lo = src_addr >> 2;
284 dmae->src_addr_hi = 0;
285 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
286 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
287 dmae->len = len32;
288 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
289 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
ad8d3948 290 dmae->comp_val = DMAE_COMP_VAL;
a2fbb9ea 291
ad8d3948 292 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
a2fbb9ea
ET		 293 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
294 "dst_addr [%x:%08x (%08x)]\n"
295 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
296 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
297 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
298 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
a2fbb9ea
ET		 299
300 *wb_comp = 0;
301
34f80b04 302 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
a2fbb9ea
ET		 303
304 udelay(5);
ad8d3948
EG		 305
306 while (*wb_comp != DMAE_COMP_VAL) {
307
ad8d3948 308 if (!cnt) {
a2fbb9ea
ET		 309 BNX2X_ERR("dmae timeout!\n");
310 break;
311 }
ad8d3948 312 cnt--;
12469401
YG		 313 /* adjust delay for emulation/FPGA */
314 if (CHIP_REV_IS_SLOW(bp))
315 msleep(100);
316 else
317 udelay(5);
a2fbb9ea 318 }
ad8d3948 319 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
a2fbb9ea
ET		 320 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
321 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
ad8d3948
EG		 322
323 mutex_unlock(&bp->dmae_mutex);
324}
325
326/* used only for slowpath so not inlined */
327static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
328{
329 u32 wb_write[2];
330
331 wb_write[0] = val_hi;
332 wb_write[1] = val_lo;
333 REG_WR_DMAE(bp, reg, wb_write, 2);
a2fbb9ea 334}
a2fbb9ea 335
ad8d3948
EG		 336#ifdef USE_WB_RD
337static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
338{
339 u32 wb_data[2];
340
341 REG_RD_DMAE(bp, reg, wb_data, 2);
342
343 return HILO_U64(wb_data[0], wb_data[1]);
344}
345#endif
346
a2fbb9ea
ET		 347static int bnx2x_mc_assert(struct bnx2x *bp)
348{
a2fbb9ea 349 char last_idx;
34f80b04
EG		 350 int i, rc = 0;
351 u32 row0, row1, row2, row3;
352
353 /* XSTORM */
354 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
355 XSTORM_ASSERT_LIST_INDEX_OFFSET);
356 if (last_idx)
357 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
358
359 /* print the asserts */
360 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
361
362 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
363 XSTORM_ASSERT_LIST_OFFSET(i));
364 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
365 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
366 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
367 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
368 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
369 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
370
371 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
372 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
373 " 0x%08x 0x%08x 0x%08x\n",
374 i, row3, row2, row1, row0);
375 rc++;
376 } else {
377 break;
378 }
379 }
380
381 /* TSTORM */
382 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
383 TSTORM_ASSERT_LIST_INDEX_OFFSET);
384 if (last_idx)
385 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
386
387 /* print the asserts */
388 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
389
390 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
391 TSTORM_ASSERT_LIST_OFFSET(i));
392 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
393 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
394 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
395 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
396 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
397 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
398
399 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
400 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
401 " 0x%08x 0x%08x 0x%08x\n",
402 i, row3, row2, row1, row0);
403 rc++;
404 } else {
405 break;
406 }
407 }
408
409 /* CSTORM */
410 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
411 CSTORM_ASSERT_LIST_INDEX_OFFSET);
412 if (last_idx)
413 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
414
415 /* print the asserts */
416 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
417
418 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
419 CSTORM_ASSERT_LIST_OFFSET(i));
420 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
421 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
422 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
423 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
424 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
425 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
426
427 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
428 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
429 " 0x%08x 0x%08x 0x%08x\n",
430 i, row3, row2, row1, row0);
431 rc++;
432 } else {
433 break;
434 }
435 }
436
437 /* USTORM */
438 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
439 USTORM_ASSERT_LIST_INDEX_OFFSET);
440 if (last_idx)
441 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
442
443 /* print the asserts */
444 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
445
446 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
447 USTORM_ASSERT_LIST_OFFSET(i));
448 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
449 USTORM_ASSERT_LIST_OFFSET(i) + 4);
450 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
451 USTORM_ASSERT_LIST_OFFSET(i) + 8);
452 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
453 USTORM_ASSERT_LIST_OFFSET(i) + 12);
454
455 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
456 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
457 " 0x%08x 0x%08x 0x%08x\n",
458 i, row3, row2, row1, row0);
459 rc++;
460 } else {
461 break;
a2fbb9ea
ET		 462 }
463 }
34f80b04 464
a2fbb9ea
ET		 465 return rc;
466}
c14423fe 467
a2fbb9ea
ET		 468static void bnx2x_fw_dump(struct bnx2x *bp)
469{
470 u32 mark, offset;
471 u32 data[9];
472 int word;
473
474 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
49d66772
ET		 475 mark = ((mark + 0x3) & ~0x3);
476 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
a2fbb9ea
ET		 477
478 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
479 for (word = 0; word < 8; word++)
480 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
481 offset + 4*word));
482 data[8] = 0x0;
49d66772 483 printk(KERN_CONT "%s", (char *)data);
a2fbb9ea
ET		 484 }
485 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
486 for (word = 0; word < 8; word++)
487 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
488 offset + 4*word));
489 data[8] = 0x0;
49d66772 490 printk(KERN_CONT "%s", (char *)data);
a2fbb9ea
ET		 491 }
492 printk("\n" KERN_ERR PFX "end of fw dump\n");
493}
494
495static void bnx2x_panic_dump(struct bnx2x *bp)
496{
497 int i;
498 u16 j, start, end;
499
66e855f3
YG		 500 bp->stats_state = STATS_STATE_DISABLED;
501 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
502
a2fbb9ea
ET		 503 BNX2X_ERR("begin crash dump -----------------\n");
504
505 for_each_queue(bp, i) {
506 struct bnx2x_fastpath *fp = &bp->fp[i];
507 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
508
509 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
34f80b04 510 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
a2fbb9ea 511 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
34f80b04 512 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
66e855f3
YG		 513 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
514 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
515 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
516 fp->rx_bd_prod, fp->rx_bd_cons,
517 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
518 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
519 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
520 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
521 " *sb_u_idx(%x) bd data(%x,%x)\n",
522 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
523 fp->status_blk->c_status_block.status_block_index,
524 fp->fp_u_idx,
525 fp->status_blk->u_status_block.status_block_index,
526 hw_prods->packets_prod, hw_prods->bds_prod);
a2fbb9ea
ET		 527
528 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
529 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
530 for (j = start; j < end; j++) {
531 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
532
533 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
534 sw_bd->skb, sw_bd->first_bd);
535 }
536
537 start = TX_BD(fp->tx_bd_cons - 10);
538 end = TX_BD(fp->tx_bd_cons + 254);
539 for (j = start; j < end; j++) {
540 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
541
542 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
543 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
544 }
545
546 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
547 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
548 for (j = start; j < end; j++) {
549 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
550 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
551
552 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
34f80b04 553 j, rx_bd[1], rx_bd[0], sw_bd->skb);
a2fbb9ea
ET		 554 }
555
3196a88a
EG		 556 start = RX_SGE(fp->rx_sge_prod);
557 end = RX_SGE(fp->last_max_sge);
7a9b2557
VZ		 558 for (j = start; j < end; j++) {
559 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
560 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
561
562 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
563 j, rx_sge[1], rx_sge[0], sw_page->page);
564 }
565
a2fbb9ea
ET		 566 start = RCQ_BD(fp->rx_comp_cons - 10);
567 end = RCQ_BD(fp->rx_comp_cons + 503);
568 for (j = start; j < end; j++) {
569 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
570
571 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
572 j, cqe[0], cqe[1], cqe[2], cqe[3]);
573 }
574 }
575
49d66772
ET		 576 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
577 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
a2fbb9ea 578 " spq_prod_idx(%u)\n",
49d66772 579 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
a2fbb9ea
ET		 580 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
581
34f80b04 582 bnx2x_fw_dump(bp);
a2fbb9ea
ET		 583 bnx2x_mc_assert(bp);
584 BNX2X_ERR("end crash dump -----------------\n");
a2fbb9ea
ET		 585}
586
615f8fd9 587static void bnx2x_int_enable(struct bnx2x *bp)
a2fbb9ea 588{
34f80b04 589 int port = BP_PORT(bp);
a2fbb9ea
ET		 590 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
591 u32 val = REG_RD(bp, addr);
592 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
593
594 if (msix) {
595 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
596 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
597 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
598 } else {
599 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
615f8fd9 600 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
a2fbb9ea
ET		 601 HC_CONFIG_0_REG_INT_LINE_EN_0 |
602 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
615f8fd9 603
615f8fd9
ET		 604 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
605 val, port, addr, msix);
606
607 REG_WR(bp, addr, val);
608
a2fbb9ea
ET		 609 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
610 }
611
615f8fd9 612 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
a2fbb9ea
ET		 613 val, port, addr, msix);
614
615 REG_WR(bp, addr, val);
34f80b04
EG		 616
617 if (CHIP_IS_E1H(bp)) {
618 /* init leading/trailing edge */
619 if (IS_E1HMF(bp)) {
620 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
621 if (bp->port.pmf)
622 /* enable nig attention */
623 val |= 0x0100;
624 } else
625 val = 0xffff;
626
627 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
628 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
629 }
a2fbb9ea
ET		 630}
631
615f8fd9 632static void bnx2x_int_disable(struct bnx2x *bp)
a2fbb9ea 633{
34f80b04 634 int port = BP_PORT(bp);
a2fbb9ea
ET		 635 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
636 u32 val = REG_RD(bp, addr);
637
638 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
639 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
640 HC_CONFIG_0_REG_INT_LINE_EN_0 |
641 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
642
643 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
644 val, port, addr);
645
646 REG_WR(bp, addr, val);
647 if (REG_RD(bp, addr) != val)
648 BNX2X_ERR("BUG! proper val not read from IGU!\n");
649}
650
f8ef6e44 651static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
a2fbb9ea 652{
a2fbb9ea
ET		 653 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
654 int i;
655
34f80b04 656 /* disable interrupt handling */
a2fbb9ea 657 atomic_inc(&bp->intr_sem);
f8ef6e44
YG		 658 if (disable_hw)
659 /* prevent the HW from sending interrupts */
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 */
1cf167f2
EG		 673 cancel_delayed_work(&bp->sp_task);
674 flush_workqueue(bnx2x_wq);
a2fbb9ea
ET		 675}
676
34f80b04 677/* fast path */
a2fbb9ea
ET		 678
679/*
34f80b04 680 * General service functions
a2fbb9ea
ET		 681 */
682
34f80b04 683static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
a2fbb9ea
ET		 684 u8 storm, u16 index, u8 op, u8 update)
685{
5c862848
EG		 686 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
687 COMMAND_REG_INT_ACK);
a2fbb9ea
ET		 688 struct igu_ack_register igu_ack;
689
690 igu_ack.status_block_index = index;
691 igu_ack.sb_id_and_flags =
34f80b04 692 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
a2fbb9ea
ET		 693 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
694 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
695 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
696
5c862848
EG		 697 DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
698 (*(u32 *)&igu_ack), hc_addr);
699 REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
a2fbb9ea
ET		 700}
701
702static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
703{
704 struct host_status_block *fpsb = fp->status_blk;
705 u16 rc = 0;
706
707 barrier(); /* status block is written to by the chip */
708 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
709 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
710 rc |= 1;
711 }
712 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
713 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
714 rc |= 2;
715 }
716 return rc;
717}
718
a2fbb9ea
ET		 719static u16 bnx2x_ack_int(struct bnx2x *bp)
720{
5c862848
EG		 721 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
722 COMMAND_REG_SIMD_MASK);
723 u32 result = REG_RD(bp, hc_addr);
a2fbb9ea 724
5c862848
EG		 725 DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
726 result, hc_addr);
a2fbb9ea 727
a2fbb9ea
ET		 728 return result;
729}
730
731
732/*
733 * fast path service functions
734 */
735
736/* free skb in the packet ring at pos idx
737 * return idx of last bd freed
738 */
739static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
740 u16 idx)
741{
742 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
743 struct eth_tx_bd *tx_bd;
744 struct sk_buff *skb = tx_buf->skb;
34f80b04 745 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
a2fbb9ea
ET		 746 int nbd;
747
748 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
749 idx, tx_buf, skb);
750
751 /* unmap first bd */
752 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
753 tx_bd = &fp->tx_desc_ring[bd_idx];
754 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
755 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
756
757 nbd = le16_to_cpu(tx_bd->nbd) - 1;
34f80b04 758 new_cons = nbd + tx_buf->first_bd;
a2fbb9ea
ET		 759#ifdef BNX2X_STOP_ON_ERROR
760 if (nbd > (MAX_SKB_FRAGS + 2)) {
34f80b04 761 BNX2X_ERR("BAD nbd!\n");
a2fbb9ea
ET		 762 bnx2x_panic();
763 }
764#endif
765
766 /* Skip a parse bd and the TSO split header bd
767 since they have no mapping */
768 if (nbd)
769 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
770
771 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
772 ETH_TX_BD_FLAGS_TCP_CSUM |
773 ETH_TX_BD_FLAGS_SW_LSO)) {
774 if (--nbd)
775 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
776 tx_bd = &fp->tx_desc_ring[bd_idx];
777 /* is this a TSO split header bd? */
778 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
779 if (--nbd)
780 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
781 }
782 }
783
784 /* now free frags */
785 while (nbd > 0) {
786
787 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
788 tx_bd = &fp->tx_desc_ring[bd_idx];
789 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
790 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
791 if (--nbd)
792 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
793 }
794
795 /* release skb */
53e5e96e 796 WARN_ON(!skb);
a2fbb9ea
ET		 797 dev_kfree_skb(skb);
798 tx_buf->first_bd = 0;
799 tx_buf->skb = NULL;
800
34f80b04 801 return new_cons;
a2fbb9ea
ET		 802}
803
34f80b04 804static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
a2fbb9ea 805{
34f80b04
EG		 806 s16 used;
807 u16 prod;
808 u16 cons;
a2fbb9ea 809
34f80b04 810 barrier(); /* Tell compiler that prod and cons can change */
a2fbb9ea
ET		 811 prod = fp->tx_bd_prod;
812 cons = fp->tx_bd_cons;
813
34f80b04
EG		 814 /* NUM_TX_RINGS = number of "next-page" entries
815 It will be used as a threshold */
816 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
a2fbb9ea 817
34f80b04 818#ifdef BNX2X_STOP_ON_ERROR
53e5e96e
IJ		 819 WARN_ON(used < 0);
820 WARN_ON(used > fp->bp->tx_ring_size);
821 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
34f80b04 822#endif
a2fbb9ea 823
34f80b04 824 return (s16)(fp->bp->tx_ring_size) - used;
a2fbb9ea
ET		 825}
826
827static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
828{
829 struct bnx2x *bp = fp->bp;
830 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
831 int done = 0;
832
833#ifdef BNX2X_STOP_ON_ERROR
834 if (unlikely(bp->panic))
835 return;
836#endif
837
838 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
839 sw_cons = fp->tx_pkt_cons;
840
841 while (sw_cons != hw_cons) {
842 u16 pkt_cons;
843
844 pkt_cons = TX_BD(sw_cons);
845
846 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
847
34f80b04 848 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
a2fbb9ea
ET		 849 hw_cons, sw_cons, pkt_cons);
850
34f80b04 851/* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
a2fbb9ea
ET		 852 rmb();
853 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
854 }
855*/
856 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
857 sw_cons++;
858 done++;
859
860 if (done == work)
861 break;
862 }
863
864 fp->tx_pkt_cons = sw_cons;
865 fp->tx_bd_cons = bd_cons;
866
867 /* Need to make the tx_cons update visible to start_xmit()
868 * before checking for netif_queue_stopped(). Without the
869 * memory barrier, there is a small possibility that start_xmit()
870 * will miss it and cause the queue to be stopped forever.
871 */
872 smp_mb();
873
874 /* TBD need a thresh? */
875 if (unlikely(netif_queue_stopped(bp->dev))) {
876
877 netif_tx_lock(bp->dev);
878
879 if (netif_queue_stopped(bp->dev) &&
da5a662a 880 (bp->state == BNX2X_STATE_OPEN) &&
a2fbb9ea
ET		 881 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
882 netif_wake_queue(bp->dev);
883
884 netif_tx_unlock(bp->dev);
a2fbb9ea
ET		 885 }
886}
887
3196a88a 888
a2fbb9ea
ET		 889static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
890 union eth_rx_cqe *rr_cqe)
891{
892 struct bnx2x *bp = fp->bp;
893 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
894 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
895
34f80b04 896 DP(BNX2X_MSG_SP,
a2fbb9ea 897 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
34f80b04
EG		 898 FP_IDX(fp), cid, command, bp->state,
899 rr_cqe->ramrod_cqe.ramrod_type);
a2fbb9ea
ET		 900
901 bp->spq_left++;
902
34f80b04 903 if (FP_IDX(fp)) {
a2fbb9ea
ET		 904 switch (command | fp->state) {
905 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
906 BNX2X_FP_STATE_OPENING):
907 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
908 cid);
909 fp->state = BNX2X_FP_STATE_OPEN;
910 break;
911
912 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
913 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
914 cid);
915 fp->state = BNX2X_FP_STATE_HALTED;
916 break;
917
918 default:
34f80b04
EG		 919 BNX2X_ERR("unexpected MC reply (%d) "
920 "fp->state is %x\n", command, fp->state);
921 break;
a2fbb9ea 922 }
34f80b04 923 mb(); /* force bnx2x_wait_ramrod() to see the change */
a2fbb9ea
ET		 924 return;
925 }
c14423fe 926
a2fbb9ea
ET		 927 switch (command | bp->state) {
928 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
929 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
930 bp->state = BNX2X_STATE_OPEN;
931 break;
932
933 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
934 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
935 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
936 fp->state = BNX2X_FP_STATE_HALTED;
937 break;
938
a2fbb9ea 939 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
34f80b04 940 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
49d66772 941 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
a2fbb9ea
ET		 942 break;
943
3196a88a 944
a2fbb9ea 945 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
34f80b04 946 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
a2fbb9ea 947 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
bb2a0f7a 948 bp->set_mac_pending = 0;
a2fbb9ea
ET		 949 break;
950
49d66772 951 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
34f80b04 952 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
49d66772
ET		 953 break;
954
a2fbb9ea 955 default:
34f80b04 956 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
a2fbb9ea 957 command, bp->state);
34f80b04 958 break;
a2fbb9ea 959 }
34f80b04 960 mb(); /* force bnx2x_wait_ramrod() to see the change */
a2fbb9ea
ET		 961}
962
7a9b2557
VZ		 963static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
964 struct bnx2x_fastpath *fp, u16 index)
965{
966 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
967 struct page *page = sw_buf->page;
968 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
969
970 /* Skip "next page" elements */
971 if (!page)
972 return;
973
974 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
4f40f2cb 975 SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
7a9b2557
VZ		 976 __free_pages(page, PAGES_PER_SGE_SHIFT);
977
978 sw_buf->page = NULL;
979 sge->addr_hi = 0;
980 sge->addr_lo = 0;
981}
982
983static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
984 struct bnx2x_fastpath *fp, int last)
985{
986 int i;
987
988 for (i = 0; i < last; i++)
989 bnx2x_free_rx_sge(bp, fp, i);
990}
991
992static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
993 struct bnx2x_fastpath *fp, u16 index)
994{
995 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
996 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
997 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
998 dma_addr_t mapping;
999
1000 if (unlikely(page == NULL))
1001 return -ENOMEM;
1002
4f40f2cb 1003 mapping = pci_map_page(bp->pdev, page, 0, SGE_PAGE_SIZE*PAGES_PER_SGE,
7a9b2557 1004 PCI_DMA_FROMDEVICE);
8d8bb39b 1005 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
7a9b2557
VZ		 1006 __free_pages(page, PAGES_PER_SGE_SHIFT);
1007 return -ENOMEM;
1008 }
1009
1010 sw_buf->page = page;
1011 pci_unmap_addr_set(sw_buf, mapping, mapping);
1012
1013 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1014 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1015
1016 return 0;
1017}
1018
a2fbb9ea
ET		 1019static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1020 struct bnx2x_fastpath *fp, u16 index)
1021{
1022 struct sk_buff *skb;
1023 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1024 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1025 dma_addr_t mapping;
1026
1027 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1028 if (unlikely(skb == NULL))
1029 return -ENOMEM;
1030
437cf2f1 1031 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
a2fbb9ea 1032 PCI_DMA_FROMDEVICE);
8d8bb39b 1033 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
a2fbb9ea
ET		 1034 dev_kfree_skb(skb);
1035 return -ENOMEM;
1036 }
1037
1038 rx_buf->skb = skb;
1039 pci_unmap_addr_set(rx_buf, mapping, mapping);
1040
1041 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1042 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1043
1044 return 0;
1045}
1046
1047/* note that we are not allocating a new skb,
1048 * we are just moving one from cons to prod
1049 * we are not creating a new mapping,
1050 * so there is no need to check for dma_mapping_error().
1051 */
1052static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1053 struct sk_buff *skb, u16 cons, u16 prod)
1054{
1055 struct bnx2x *bp = fp->bp;
1056 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1057 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1058 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1059 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1060
1061 pci_dma_sync_single_for_device(bp->pdev,
1062 pci_unmap_addr(cons_rx_buf, mapping),
1063 bp->rx_offset + RX_COPY_THRESH,
1064 PCI_DMA_FROMDEVICE);
1065
1066 prod_rx_buf->skb = cons_rx_buf->skb;
1067 pci_unmap_addr_set(prod_rx_buf, mapping,
1068 pci_unmap_addr(cons_rx_buf, mapping));
1069 *prod_bd = *cons_bd;
1070}
1071
7a9b2557
VZ		 1072static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1073 u16 idx)
1074{
1075 u16 last_max = fp->last_max_sge;
1076
1077 if (SUB_S16(idx, last_max) > 0)
1078 fp->last_max_sge = idx;
1079}
1080
1081static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1082{
1083 int i, j;
1084
1085 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1086 int idx = RX_SGE_CNT * i - 1;
1087
1088 for (j = 0; j < 2; j++) {
1089 SGE_MASK_CLEAR_BIT(fp, idx);
1090 idx--;
1091 }
1092 }
1093}
1094
1095static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1096 struct eth_fast_path_rx_cqe *fp_cqe)
1097{
1098 struct bnx2x *bp = fp->bp;
4f40f2cb 1099 u16 sge_len = SGE_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
7a9b2557 1100 le16_to_cpu(fp_cqe->len_on_bd)) >>
4f40f2cb 1101 SGE_PAGE_SHIFT;
7a9b2557
VZ		 1102 u16 last_max, last_elem, first_elem;
1103 u16 delta = 0;
1104 u16 i;
1105
1106 if (!sge_len)
1107 return;
1108
1109 /* First mark all used pages */
1110 for (i = 0; i < sge_len; i++)
1111 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1112
1113 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1114 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1115
1116 /* Here we assume that the last SGE index is the biggest */
1117 prefetch((void *)(fp->sge_mask));
1118 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1119
1120 last_max = RX_SGE(fp->last_max_sge);
1121 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1122 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1123
1124 /* If ring is not full */
1125 if (last_elem + 1 != first_elem)
1126 last_elem++;
1127
1128 /* Now update the prod */
1129 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1130 if (likely(fp->sge_mask[i]))
1131 break;
1132
1133 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1134 delta += RX_SGE_MASK_ELEM_SZ;
1135 }
1136
1137 if (delta > 0) {
1138 fp->rx_sge_prod += delta;
1139 /* clear page-end entries */
1140 bnx2x_clear_sge_mask_next_elems(fp);
1141 }
1142
1143 DP(NETIF_MSG_RX_STATUS,
1144 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1145 fp->last_max_sge, fp->rx_sge_prod);
1146}
1147
1148static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1149{
1150 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1151 memset(fp->sge_mask, 0xff,
1152 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1153
33471629
EG		 1154 /* Clear the two last indices in the page to 1:
1155 these are the indices that correspond to the "next" element,
7a9b2557
VZ		 1156 hence will never be indicated and should be removed from
1157 the calculations. */
1158 bnx2x_clear_sge_mask_next_elems(fp);
1159}
1160
1161static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1162 struct sk_buff *skb, u16 cons, u16 prod)
1163{
1164 struct bnx2x *bp = fp->bp;
1165 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1166 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1167 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1168 dma_addr_t mapping;
1169
1170 /* move empty skb from pool to prod and map it */
1171 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1172 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
437cf2f1 1173 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
7a9b2557
VZ		 1174 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1175
1176 /* move partial skb from cons to pool (don't unmap yet) */
1177 fp->tpa_pool[queue] = *cons_rx_buf;
1178
1179 /* mark bin state as start - print error if current state != stop */
1180 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1181 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1182
1183 fp->tpa_state[queue] = BNX2X_TPA_START;
1184
1185 /* point prod_bd to new skb */
1186 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1187 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1188
1189#ifdef BNX2X_STOP_ON_ERROR
1190 fp->tpa_queue_used |= (1 << queue);
1191#ifdef __powerpc64__
1192 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1193#else
1194 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1195#endif
1196 fp->tpa_queue_used);
1197#endif
1198}
1199
1200static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1201 struct sk_buff *skb,
1202 struct eth_fast_path_rx_cqe *fp_cqe,
1203 u16 cqe_idx)
1204{
1205 struct sw_rx_page *rx_pg, old_rx_pg;
7a9b2557
VZ		 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;
4f40f2cb 1212 pages = SGE_PAGE_ALIGN(frag_size) >> SGE_PAGE_SHIFT;
7a9b2557
VZ		 1213
1214 /* This is needed in order to enable forwarding support */
1215 if (frag_size)
4f40f2cb 1216 skb_shinfo(skb)->gso_size = min((u32)SGE_PAGE_SIZE,
7a9b2557
VZ		 1217 max(frag_size, (u32)len_on_bd));
1218
1219#ifdef BNX2X_STOP_ON_ERROR
4f40f2cb
EG		 1220 if (pages >
1221 min((u32)8, (u32)MAX_SKB_FRAGS) * SGE_PAGE_SIZE * PAGES_PER_SGE) {
7a9b2557
VZ		 1222 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1223 pages, cqe_idx);
1224 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1225 fp_cqe->pkt_len, len_on_bd);
1226 bnx2x_panic();
1227 return -EINVAL;
1228 }
1229#endif
1230
1231 /* Run through the SGL and compose the fragmented skb */
1232 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1233 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1234
1235 /* FW gives the indices of the SGE as if the ring is an array
1236 (meaning that "next" element will consume 2 indices) */
4f40f2cb 1237 frag_len = min(frag_size, (u32)(SGE_PAGE_SIZE*PAGES_PER_SGE));
7a9b2557 1238 rx_pg = &fp->rx_page_ring[sge_idx];
7a9b2557
VZ		 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),
4f40f2cb 1251 SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
7a9b2557
VZ		 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) */
0c6671b0
EG		 1284#ifdef BCM_VLAN
1285 int is_vlan_cqe =
1286 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1287 PARSING_FLAGS_VLAN);
1288 int is_not_hwaccel_vlan_cqe =
1289 (is_vlan_cqe && (!(bp->flags & HW_VLAN_RX_FLAG)));
1290#endif
7a9b2557
VZ		 1291
1292 prefetch(skb);
1293 prefetch(((char *)(skb)) + 128);
1294
7a9b2557
VZ		 1295#ifdef BNX2X_STOP_ON_ERROR
1296 if (pad + len > bp->rx_buf_size) {
1297 BNX2X_ERR("skb_put is about to fail... "
1298 "pad %d len %d rx_buf_size %d\n",
1299 pad, len, bp->rx_buf_size);
1300 bnx2x_panic();
1301 return;
1302 }
1303#endif
1304
1305 skb_reserve(skb, pad);
1306 skb_put(skb, len);
1307
1308 skb->protocol = eth_type_trans(skb, bp->dev);
1309 skb->ip_summed = CHECKSUM_UNNECESSARY;
1310
1311 {
1312 struct iphdr *iph;
1313
1314 iph = (struct iphdr *)skb->data;
0c6671b0
EG		 1315#ifdef BCM_VLAN
1316 /* If there is no Rx VLAN offloading -
1317 take VLAN tag into an account */
1318 if (unlikely(is_not_hwaccel_vlan_cqe))
1319 iph = (struct iphdr *)((u8 *)iph + VLAN_HLEN);
1320#endif
7a9b2557
VZ		 1321 iph->check = 0;
1322 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1323 }
1324
1325 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1326 &cqe->fast_path_cqe, cqe_idx)) {
1327#ifdef BCM_VLAN
0c6671b0
EG		 1328 if ((bp->vlgrp != NULL) && is_vlan_cqe &&
1329 (!is_not_hwaccel_vlan_cqe))
7a9b2557
VZ		 1330 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1331 le16_to_cpu(cqe->fast_path_cqe.
1332 vlan_tag));
1333 else
1334#endif
1335 netif_receive_skb(skb);
1336 } else {
1337 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1338 " - dropping packet!\n");
1339 dev_kfree_skb(skb);
1340 }
1341
7a9b2557
VZ		 1342
1343 /* put new skb in bin */
1344 fp->tpa_pool[queue].skb = new_skb;
1345
1346 } else {
66e855f3 1347 /* else drop the packet and keep the buffer in the bin */
7a9b2557
VZ		 1348 DP(NETIF_MSG_RX_STATUS,
1349 "Failed to allocate new skb - dropping packet!\n");
66e855f3 1350 bp->eth_stats.rx_skb_alloc_failed++;
7a9b2557
VZ		 1351 }
1352
1353 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1354}
1355
1356static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1357 struct bnx2x_fastpath *fp,
1358 u16 bd_prod, u16 rx_comp_prod,
1359 u16 rx_sge_prod)
1360{
1361 struct tstorm_eth_rx_producers rx_prods = {0};
1362 int i;
1363
1364 /* Update producers */
1365 rx_prods.bd_prod = bd_prod;
1366 rx_prods.cqe_prod = rx_comp_prod;
1367 rx_prods.sge_prod = rx_sge_prod;
1368
58f4c4cf
EG		 1369 /*
1370 * Make sure that the BD and SGE data is updated before updating the
1371 * producers since FW might read the BD/SGE right after the producer
1372 * is updated.
1373 * This is only applicable for weak-ordered memory model archs such
1374 * as IA-64. The following barrier is also mandatory since FW will
1375 * assumes BDs must have buffers.
1376 */
1377 wmb();
1378
7a9b2557
VZ		 1379 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1380 REG_WR(bp, BAR_TSTRORM_INTMEM +
1381 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1382 ((u32 *)&rx_prods)[i]);
1383
58f4c4cf
EG		 1384 mmiowb(); /* keep prod updates ordered */
1385
7a9b2557
VZ		 1386 DP(NETIF_MSG_RX_STATUS,
1387 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1388 bd_prod, rx_comp_prod, rx_sge_prod);
1389}
1390
a2fbb9ea
ET		 1391static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1392{
1393 struct bnx2x *bp = fp->bp;
34f80b04 1394 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
a2fbb9ea
ET		 1395 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1396 int rx_pkt = 0;
1397
1398#ifdef BNX2X_STOP_ON_ERROR
1399 if (unlikely(bp->panic))
1400 return 0;
1401#endif
1402
34f80b04
EG		 1403 /* CQ "next element" is of the size of the regular element,
1404 that's why it's ok here */
a2fbb9ea
ET		 1405 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1406 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1407 hw_comp_cons++;
1408
1409 bd_cons = fp->rx_bd_cons;
1410 bd_prod = fp->rx_bd_prod;
34f80b04 1411 bd_prod_fw = bd_prod;
a2fbb9ea
ET		 1412 sw_comp_cons = fp->rx_comp_cons;
1413 sw_comp_prod = fp->rx_comp_prod;
1414
1415 /* Memory barrier necessary as speculative reads of the rx
1416 * buffer can be ahead of the index in the status block
1417 */
1418 rmb();
1419
1420 DP(NETIF_MSG_RX_STATUS,
1421 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
34f80b04 1422 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
a2fbb9ea
ET		 1423
1424 while (sw_comp_cons != hw_comp_cons) {
34f80b04 1425 struct sw_rx_bd *rx_buf = NULL;
a2fbb9ea
ET		 1426 struct sk_buff *skb;
1427 union eth_rx_cqe *cqe;
34f80b04
EG		 1428 u8 cqe_fp_flags;
1429 u16 len, pad;
a2fbb9ea
ET		 1430
1431 comp_ring_cons = RCQ_BD(sw_comp_cons);
1432 bd_prod = RX_BD(bd_prod);
1433 bd_cons = RX_BD(bd_cons);
1434
1435 cqe = &fp->rx_comp_ring[comp_ring_cons];
34f80b04 1436 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
a2fbb9ea 1437
a2fbb9ea 1438 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
34f80b04
EG		 1439 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1440 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
68d59484 1441 le32_to_cpu(cqe->fast_path_cqe.rss_hash_result),
34f80b04
EG		 1442 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1443 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
a2fbb9ea
ET		 1444
1445 /* is this a slowpath msg? */
34f80b04 1446 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
a2fbb9ea
ET		 1447 bnx2x_sp_event(fp, cqe);
1448 goto next_cqe;
1449
1450 /* this is an rx packet */
1451 } else {
1452 rx_buf = &fp->rx_buf_ring[bd_cons];
1453 skb = rx_buf->skb;
a2fbb9ea
ET		 1454 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1455 pad = cqe->fast_path_cqe.placement_offset;
1456
7a9b2557
VZ		 1457 /* If CQE is marked both TPA_START and TPA_END
1458 it is a non-TPA CQE */
1459 if ((!fp->disable_tpa) &&
1460 (TPA_TYPE(cqe_fp_flags) !=
1461 (TPA_TYPE_START | TPA_TYPE_END))) {
3196a88a 1462 u16 queue = cqe->fast_path_cqe.queue_index;
7a9b2557
VZ		 1463
1464 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1465 DP(NETIF_MSG_RX_STATUS,
1466 "calling tpa_start on queue %d\n",
1467 queue);
1468
1469 bnx2x_tpa_start(fp, queue, skb,
1470 bd_cons, bd_prod);
1471 goto next_rx;
1472 }
1473
1474 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1475 DP(NETIF_MSG_RX_STATUS,
1476 "calling tpa_stop on queue %d\n",
1477 queue);
1478
1479 if (!BNX2X_RX_SUM_FIX(cqe))
1480 BNX2X_ERR("STOP on none TCP "
1481 "data\n");
1482
1483 /* This is a size of the linear data
1484 on this skb */
1485 len = le16_to_cpu(cqe->fast_path_cqe.
1486 len_on_bd);
1487 bnx2x_tpa_stop(bp, fp, queue, pad,
1488 len, cqe, comp_ring_cons);
1489#ifdef BNX2X_STOP_ON_ERROR
1490 if (bp->panic)
1491 return -EINVAL;
1492#endif
1493
1494 bnx2x_update_sge_prod(fp,
1495 &cqe->fast_path_cqe);
1496 goto next_cqe;
1497 }
1498 }
1499
a2fbb9ea
ET		 1500 pci_dma_sync_single_for_device(bp->pdev,
1501 pci_unmap_addr(rx_buf, mapping),
1502 pad + RX_COPY_THRESH,
1503 PCI_DMA_FROMDEVICE);
1504 prefetch(skb);
1505 prefetch(((char *)(skb)) + 128);
1506
1507 /* is this an error packet? */
34f80b04 1508 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
a2fbb9ea 1509 DP(NETIF_MSG_RX_ERR,
34f80b04
EG		 1510 "ERROR flags %x rx packet %u\n",
1511 cqe_fp_flags, sw_comp_cons);
66e855f3 1512 bp->eth_stats.rx_err_discard_pkt++;
a2fbb9ea
ET		 1513 goto reuse_rx;
1514 }
1515
1516 /* Since we don't have a jumbo ring
1517 * copy small packets if mtu > 1500
1518 */
1519 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1520 (len <= RX_COPY_THRESH)) {
1521 struct sk_buff *new_skb;
1522
1523 new_skb = netdev_alloc_skb(bp->dev,
1524 len + pad);
1525 if (new_skb == NULL) {
1526 DP(NETIF_MSG_RX_ERR,
34f80b04 1527 "ERROR packet dropped "
a2fbb9ea 1528 "because of alloc failure\n");
66e855f3 1529 bp->eth_stats.rx_skb_alloc_failed++;
a2fbb9ea
ET		 1530 goto reuse_rx;
1531 }
1532
1533 /* aligned copy */
1534 skb_copy_from_linear_data_offset(skb, pad,
1535 new_skb->data + pad, len);
1536 skb_reserve(new_skb, pad);
1537 skb_put(new_skb, len);
1538
1539 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1540
1541 skb = new_skb;
1542
1543 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1544 pci_unmap_single(bp->pdev,
1545 pci_unmap_addr(rx_buf, mapping),
437cf2f1 1546 bp->rx_buf_size,
a2fbb9ea
ET		 1547 PCI_DMA_FROMDEVICE);
1548 skb_reserve(skb, pad);
1549 skb_put(skb, len);
1550
1551 } else {
1552 DP(NETIF_MSG_RX_ERR,
34f80b04 1553 "ERROR packet dropped because "
a2fbb9ea 1554 "of alloc failure\n");
66e855f3 1555 bp->eth_stats.rx_skb_alloc_failed++;
a2fbb9ea
ET		 1556reuse_rx:
1557 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1558 goto next_rx;
1559 }
1560
1561 skb->protocol = eth_type_trans(skb, bp->dev);
1562
1563 skb->ip_summed = CHECKSUM_NONE;
66e855f3 1564 if (bp->rx_csum) {
1adcd8be
EG		 1565 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1566 skb->ip_summed = CHECKSUM_UNNECESSARY;
66e855f3
YG		 1567 else
1568 bp->eth_stats.hw_csum_err++;
1569 }
a2fbb9ea
ET		 1570 }
1571
1572#ifdef BCM_VLAN
0c6671b0 1573 if ((bp->vlgrp != NULL) && (bp->flags & HW_VLAN_RX_FLAG) &&
34f80b04
EG		 1574 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1575 PARSING_FLAGS_VLAN))
a2fbb9ea
ET		 1576 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1577 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1578 else
1579#endif
34f80b04 1580 netif_receive_skb(skb);
a2fbb9ea 1581
a2fbb9ea
ET		 1582
1583next_rx:
1584 rx_buf->skb = NULL;
1585
1586 bd_cons = NEXT_RX_IDX(bd_cons);
1587 bd_prod = NEXT_RX_IDX(bd_prod);
34f80b04
EG		 1588 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1589 rx_pkt++;
a2fbb9ea
ET		 1590next_cqe:
1591 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1592 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
a2fbb9ea 1593
34f80b04 1594 if (rx_pkt == budget)
a2fbb9ea
ET		 1595 break;
1596 } /* while */
1597
1598 fp->rx_bd_cons = bd_cons;
34f80b04 1599 fp->rx_bd_prod = bd_prod_fw;
a2fbb9ea
ET		 1600 fp->rx_comp_cons = sw_comp_cons;
1601 fp->rx_comp_prod = sw_comp_prod;
1602
7a9b2557
VZ		 1603 /* Update producers */
1604 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1605 fp->rx_sge_prod);
a2fbb9ea
ET		 1606
1607 fp->rx_pkt += rx_pkt;
1608 fp->rx_calls++;
1609
1610 return rx_pkt;
1611}
1612
1613static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1614{
1615 struct bnx2x_fastpath *fp = fp_cookie;
1616 struct bnx2x *bp = fp->bp;
34f80b04 1617 int index = FP_IDX(fp);
a2fbb9ea 1618
da5a662a
VZ		 1619 /* Return here if interrupt is disabled */
1620 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1621 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1622 return IRQ_HANDLED;
1623 }
1624
34f80b04
EG		 1625 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1626 index, FP_SB_ID(fp));
1627 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
a2fbb9ea
ET		 1628
1629#ifdef BNX2X_STOP_ON_ERROR
1630 if (unlikely(bp->panic))
1631 return IRQ_HANDLED;
1632#endif
1633
1634 prefetch(fp->rx_cons_sb);
1635 prefetch(fp->tx_cons_sb);
1636 prefetch(&fp->status_blk->c_status_block.status_block_index);
1637 prefetch(&fp->status_blk->u_status_block.status_block_index);
1638
908a7a16 1639 netif_rx_schedule(&bnx2x_fp(bp, index, napi));
34f80b04 1640
a2fbb9ea
ET		 1641 return IRQ_HANDLED;
1642}
1643
1644static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1645{
1646 struct net_device *dev = dev_instance;
1647 struct bnx2x *bp = netdev_priv(dev);
1648 u16 status = bnx2x_ack_int(bp);
34f80b04 1649 u16 mask;
a2fbb9ea 1650
34f80b04 1651 /* Return here if interrupt is shared and it's not for us */
a2fbb9ea
ET		 1652 if (unlikely(status == 0)) {
1653 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1654 return IRQ_NONE;
1655 }
34f80b04 1656 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
a2fbb9ea 1657
34f80b04 1658 /* Return here if interrupt is disabled */
a2fbb9ea
ET		 1659 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1660 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1661 return IRQ_HANDLED;
1662 }
1663
3196a88a
EG		 1664#ifdef BNX2X_STOP_ON_ERROR
1665 if (unlikely(bp->panic))
1666 return IRQ_HANDLED;
1667#endif
1668
34f80b04
EG		 1669 mask = 0x2 << bp->fp[0].sb_id;
1670 if (status & mask) {
a2fbb9ea
ET		 1671 struct bnx2x_fastpath *fp = &bp->fp[0];
1672
1673 prefetch(fp->rx_cons_sb);
1674 prefetch(fp->tx_cons_sb);
1675 prefetch(&fp->status_blk->c_status_block.status_block_index);
1676 prefetch(&fp->status_blk->u_status_block.status_block_index);
1677
908a7a16 1678 netif_rx_schedule(&bnx2x_fp(bp, 0, napi));
a2fbb9ea 1679
34f80b04 1680 status &= ~mask;
a2fbb9ea
ET		 1681 }
1682
a2fbb9ea 1683
34f80b04 1684 if (unlikely(status & 0x1)) {
1cf167f2 1685 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
a2fbb9ea
ET		 1686
1687 status &= ~0x1;
1688 if (!status)
1689 return IRQ_HANDLED;
1690 }
1691
34f80b04
EG		 1692 if (status)
1693 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1694 status);
a2fbb9ea 1695
c18487ee 1696 return IRQ_HANDLED;
a2fbb9ea
ET		 1697}
1698
c18487ee 1699/* end of fast path */
a2fbb9ea 1700
bb2a0f7a 1701static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
a2fbb9ea 1702
c18487ee
YR		 1703/* Link */
1704
1705/*
1706 * General service functions
1707 */
a2fbb9ea 1708
4a37fb66 1709static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
c18487ee
YR		 1710{
1711 u32 lock_status;
1712 u32 resource_bit = (1 << resource);
4a37fb66
YG		 1713 int func = BP_FUNC(bp);
1714 u32 hw_lock_control_reg;
c18487ee 1715 int cnt;
a2fbb9ea 1716
c18487ee
YR		 1717 /* Validating that the resource is within range */
1718 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1719 DP(NETIF_MSG_HW,
1720 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1721 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1722 return -EINVAL;
1723 }
a2fbb9ea 1724
4a37fb66
YG		 1725 if (func <= 5) {
1726 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1727 } else {
1728 hw_lock_control_reg =
1729 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1730 }
1731
c18487ee 1732 /* Validating that the resource is not already taken */
4a37fb66 1733 lock_status = REG_RD(bp, hw_lock_control_reg);
c18487ee
YR		 1734 if (lock_status & resource_bit) {
1735 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1736 lock_status, resource_bit);
1737 return -EEXIST;
1738 }
a2fbb9ea 1739
46230476
EG		 1740 /* Try for 5 second every 5ms */
1741 for (cnt = 0; cnt < 1000; cnt++) {
c18487ee 1742 /* Try to acquire the lock */
4a37fb66
YG		 1743 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1744 lock_status = REG_RD(bp, hw_lock_control_reg);
c18487ee
YR		 1745 if (lock_status & resource_bit)
1746 return 0;
a2fbb9ea 1747
c18487ee 1748 msleep(5);
a2fbb9ea 1749 }
c18487ee
YR		 1750 DP(NETIF_MSG_HW, "Timeout\n");
1751 return -EAGAIN;
1752}
a2fbb9ea 1753
4a37fb66 1754static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
c18487ee
YR		 1755{
1756 u32 lock_status;
1757 u32 resource_bit = (1 << resource);
4a37fb66
YG		 1758 int func = BP_FUNC(bp);
1759 u32 hw_lock_control_reg;
a2fbb9ea 1760
c18487ee
YR		 1761 /* Validating that the resource is within range */
1762 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1763 DP(NETIF_MSG_HW,
1764 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1765 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1766 return -EINVAL;
1767 }
1768
4a37fb66
YG		 1769 if (func <= 5) {
1770 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1771 } else {
1772 hw_lock_control_reg =
1773 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1774 }
1775
c18487ee 1776 /* Validating that the resource is currently taken */
4a37fb66 1777 lock_status = REG_RD(bp, hw_lock_control_reg);
c18487ee
YR		 1778 if (!(lock_status & resource_bit)) {
1779 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1780 lock_status, resource_bit);
1781 return -EFAULT;
a2fbb9ea
ET		 1782 }
1783
4a37fb66 1784 REG_WR(bp, hw_lock_control_reg, resource_bit);
c18487ee
YR		 1785 return 0;
1786}
1787
1788/* HW Lock for shared dual port PHYs */
4a37fb66 1789static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
c18487ee
YR		 1790{
1791 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
a2fbb9ea 1792
34f80b04 1793 mutex_lock(&bp->port.phy_mutex);
a2fbb9ea 1794
c18487ee
YR		 1795 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1796 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
4a37fb66 1797 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
c18487ee 1798}
a2fbb9ea 1799
4a37fb66 1800static void bnx2x_release_phy_lock(struct bnx2x *bp)
c18487ee
YR		 1801{
1802 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
a2fbb9ea 1803
c18487ee
YR		 1804 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1805 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
4a37fb66 1806 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
a2fbb9ea 1807
34f80b04 1808 mutex_unlock(&bp->port.phy_mutex);
c18487ee 1809}
a2fbb9ea 1810
17de50b7 1811int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
c18487ee
YR		 1812{
1813 /* The GPIO should be swapped if swap register is set and active */
1814 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
17de50b7 1815 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
c18487ee
YR		 1816 int gpio_shift = gpio_num +
1817 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1818 u32 gpio_mask = (1 << gpio_shift);
1819 u32 gpio_reg;
a2fbb9ea 1820
c18487ee
YR		 1821 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1822 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1823 return -EINVAL;
1824 }
a2fbb9ea 1825
4a37fb66 1826 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
c18487ee
YR		 1827 /* read GPIO and mask except the float bits */
1828 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
a2fbb9ea 1829
c18487ee
YR		 1830 switch (mode) {
1831 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1832 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1833 gpio_num, gpio_shift);
1834 /* clear FLOAT and set CLR */
1835 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1836 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1837 break;
a2fbb9ea 1838
c18487ee
YR		 1839 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1840 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1841 gpio_num, gpio_shift);
1842 /* clear FLOAT and set SET */
1843 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1844 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1845 break;
a2fbb9ea 1846
17de50b7 1847 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
c18487ee
YR		 1848 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1849 gpio_num, gpio_shift);
1850 /* set FLOAT */
1851 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1852 break;
a2fbb9ea 1853
c18487ee
YR		 1854 default:
1855 break;
a2fbb9ea
ET		 1856 }
1857
c18487ee 1858 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
4a37fb66 1859 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
f1410647 1860
c18487ee 1861 return 0;
a2fbb9ea
ET		 1862}
1863
c18487ee 1864static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
a2fbb9ea 1865{
c18487ee
YR		 1866 u32 spio_mask = (1 << spio_num);
1867 u32 spio_reg;
a2fbb9ea 1868
c18487ee
YR		 1869 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1870 (spio_num > MISC_REGISTERS_SPIO_7)) {
1871 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1872 return -EINVAL;
a2fbb9ea
ET		 1873 }
1874
4a37fb66 1875 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
c18487ee
YR		 1876 /* read SPIO and mask except the float bits */
1877 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
a2fbb9ea 1878
c18487ee 1879 switch (mode) {
6378c025 1880 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
c18487ee
YR		 1881 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1882 /* clear FLOAT and set CLR */
1883 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1884 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1885 break;
a2fbb9ea 1886
6378c025 1887 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
c18487ee
YR		 1888 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1889 /* clear FLOAT and set SET */
1890 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1891 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1892 break;
a2fbb9ea 1893
c18487ee
YR		 1894 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1895 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1896 /* set FLOAT */
1897 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1898 break;
a2fbb9ea 1899
c18487ee
YR		 1900 default:
1901 break;
a2fbb9ea
ET		 1902 }
1903
c18487ee 1904 REG_WR(bp, MISC_REG_SPIO, spio_reg);
4a37fb66 1905 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
c18487ee 1906
a2fbb9ea
ET		 1907 return 0;
1908}
1909
c18487ee 1910static void bnx2x_calc_fc_adv(struct bnx2x *bp)
a2fbb9ea 1911{
ad33ea3a
EG		 1912 switch (bp->link_vars.ieee_fc &
1913 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
c18487ee 1914 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
34f80b04 1915 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
c18487ee
YR		 1916 ADVERTISED_Pause);
1917 break;
1918 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
34f80b04 1919 bp->port.advertising |= (ADVERTISED_Asym_Pause |
c18487ee
YR		 1920 ADVERTISED_Pause);
1921 break;
1922 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
34f80b04 1923 bp->port.advertising |= ADVERTISED_Asym_Pause;
c18487ee
YR		 1924 break;
1925 default:
34f80b04 1926 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
c18487ee
YR		 1927 ADVERTISED_Pause);
1928 break;
1929 }
1930}
f1410647 1931
c18487ee
YR		 1932static void bnx2x_link_report(struct bnx2x *bp)
1933{
1934 if (bp->link_vars.link_up) {
1935 if (bp->state == BNX2X_STATE_OPEN)
1936 netif_carrier_on(bp->dev);
1937 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
f1410647 1938
c18487ee 1939 printk("%d Mbps ", bp->link_vars.line_speed);
f1410647 1940
c18487ee
YR		 1941 if (bp->link_vars.duplex == DUPLEX_FULL)
1942 printk("full duplex");
1943 else
1944 printk("half duplex");
f1410647 1945
c0700f90
DM		 1946 if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) {
1947 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) {
c18487ee 1948 printk(", receive ");
c0700f90 1949 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
c18487ee
YR		 1950 printk("& transmit ");
1951 } else {
1952 printk(", transmit ");
1953 }
1954 printk("flow control ON");
1955 }
1956 printk("\n");
f1410647 1957
c18487ee
YR		 1958 } else { /* link_down */
1959 netif_carrier_off(bp->dev);
1960 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
f1410647 1961 }
c18487ee
YR		 1962}
1963
1964static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
1965{
19680c48
EG		 1966 if (!BP_NOMCP(bp)) {
1967 u8 rc;
a2fbb9ea 1968
19680c48 1969 /* Initialize link parameters structure variables */
8c99e7b0
YR		 1970 /* It is recommended to turn off RX FC for jumbo frames
1971 for better performance */
1972 if (IS_E1HMF(bp))
c0700f90 1973 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
8c99e7b0 1974 else if (bp->dev->mtu > 5000)
c0700f90 1975 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
8c99e7b0 1976 else
c0700f90 1977 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
a2fbb9ea 1978
4a37fb66 1979 bnx2x_acquire_phy_lock(bp);
19680c48 1980 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
4a37fb66 1981 bnx2x_release_phy_lock(bp);
a2fbb9ea 1982
3c96c68b
EG		 1983 bnx2x_calc_fc_adv(bp);
1984
19680c48
EG		 1985 if (bp->link_vars.link_up)
1986 bnx2x_link_report(bp);
a2fbb9ea 1987
34f80b04 1988
19680c48
EG		 1989 return rc;
1990 }
1991 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1992 return -EINVAL;
a2fbb9ea
ET		 1993}
1994
c18487ee 1995static void bnx2x_link_set(struct bnx2x *bp)
a2fbb9ea 1996{
19680c48 1997 if (!BP_NOMCP(bp)) {
4a37fb66 1998 bnx2x_acquire_phy_lock(bp);
19680c48 1999 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
4a37fb66 2000 bnx2x_release_phy_lock(bp);
a2fbb9ea 2001
19680c48
EG		 2002 bnx2x_calc_fc_adv(bp);
2003 } else
2004 BNX2X_ERR("Bootcode is missing -not setting link\n");
c18487ee 2005}
a2fbb9ea 2006
c18487ee
YR		 2007static void bnx2x__link_reset(struct bnx2x *bp)
2008{
19680c48 2009 if (!BP_NOMCP(bp)) {
4a37fb66 2010 bnx2x_acquire_phy_lock(bp);
19680c48 2011 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
4a37fb66 2012 bnx2x_release_phy_lock(bp);
19680c48
EG		 2013 } else
2014 BNX2X_ERR("Bootcode is missing -not resetting link\n");
c18487ee 2015}
a2fbb9ea 2016
c18487ee
YR		 2017static u8 bnx2x_link_test(struct bnx2x *bp)
2018{
2019 u8 rc;
a2fbb9ea 2020
4a37fb66 2021 bnx2x_acquire_phy_lock(bp);
c18487ee 2022 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
4a37fb66 2023 bnx2x_release_phy_lock(bp);
a2fbb9ea 2024
c18487ee
YR		 2025 return rc;
2026}
a2fbb9ea 2027
34f80b04
EG		 2028/* Calculates the sum of vn_min_rates.
2029 It's needed for further normalizing of the min_rates.
2030
2031 Returns:
2032 sum of vn_min_rates
2033 or
2034 0 - if all the min_rates are 0.
33471629 2035 In the later case fairness algorithm should be deactivated.
34f80b04
EG		 2036 If not all min_rates are zero then those that are zeroes will
2037 be set to 1.
2038 */
2039static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2040{
2041 int i, port = BP_PORT(bp);
2042 u32 wsum = 0;
2043 int all_zero = 1;
2044
2045 for (i = 0; i < E1HVN_MAX; i++) {
2046 u32 vn_cfg =
2047 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2048 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2049 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2050 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2051 /* If min rate is zero - set it to 1 */
2052 if (!vn_min_rate)
2053 vn_min_rate = DEF_MIN_RATE;
2054 else
2055 all_zero = 0;
2056
2057 wsum += vn_min_rate;
2058 }
2059 }
2060
2061 /* ... only if all min rates are zeros - disable FAIRNESS */
2062 if (all_zero)
2063 return 0;
2064
2065 return wsum;
2066}
2067
2068static void bnx2x_init_port_minmax(struct bnx2x *bp,
2069 int en_fness,
2070 u16 port_rate,
2071 struct cmng_struct_per_port *m_cmng_port)
2072{
2073 u32 r_param = port_rate / 8;
2074 int port = BP_PORT(bp);
2075 int i;
2076
2077 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2078
2079 /* Enable minmax only if we are in e1hmf mode */
2080 if (IS_E1HMF(bp)) {
2081 u32 fair_periodic_timeout_usec;
2082 u32 t_fair;
2083
2084 /* Enable rate shaping and fairness */
2085 m_cmng_port->flags.cmng_vn_enable = 1;
2086 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2087 m_cmng_port->flags.rate_shaping_enable = 1;
2088
2089 if (!en_fness)
2090 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2091 " fairness will be disabled\n");
2092
2093 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2094 m_cmng_port->rs_vars.rs_periodic_timeout =
2095 RS_PERIODIC_TIMEOUT_USEC / 4;
2096
2097 /* this is the threshold below which no timer arming will occur
2098 1.25 coefficient is for the threshold to be a little bigger
2099 than the real time, to compensate for timer in-accuracy */
2100 m_cmng_port->rs_vars.rs_threshold =
2101 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2102
2103 /* resolution of fairness timer */
2104 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2105 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2106 t_fair = T_FAIR_COEF / port_rate;
2107
2108 /* this is the threshold below which we won't arm
2109 the timer anymore */
2110 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2111
2112 /* we multiply by 1e3/8 to get bytes/msec.
2113 We don't want the credits to pass a credit
2114 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2115 m_cmng_port->fair_vars.upper_bound =
2116 r_param * t_fair * FAIR_MEM;
2117 /* since each tick is 4 usec */
2118 m_cmng_port->fair_vars.fairness_timeout =
2119 fair_periodic_timeout_usec / 4;
2120
2121 } else {
2122 /* Disable rate shaping and fairness */
2123 m_cmng_port->flags.cmng_vn_enable = 0;
2124 m_cmng_port->flags.fairness_enable = 0;
2125 m_cmng_port->flags.rate_shaping_enable = 0;
2126
2127 DP(NETIF_MSG_IFUP,
2128 "Single function mode minmax will be disabled\n");
2129 }
2130
2131 /* Store it to internal memory */
2132 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2133 REG_WR(bp, BAR_XSTRORM_INTMEM +
2134 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2135 ((u32 *)(m_cmng_port))[i]);
2136}
2137
2138static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2139 u32 wsum, u16 port_rate,
2140 struct cmng_struct_per_port *m_cmng_port)
2141{
2142 struct rate_shaping_vars_per_vn m_rs_vn;
2143 struct fairness_vars_per_vn m_fair_vn;
2144 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2145 u16 vn_min_rate, vn_max_rate;
2146 int i;
2147
2148 /* If function is hidden - set min and max to zeroes */
2149 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2150 vn_min_rate = 0;
2151 vn_max_rate = 0;
2152
2153 } else {
2154 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2155 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2156 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2157 if current min rate is zero - set it to 1.
33471629 2158 This is a requirement of the algorithm. */
34f80b04
EG		 2159 if ((vn_min_rate == 0) && wsum)
2160 vn_min_rate = DEF_MIN_RATE;
2161 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2162 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2163 }
2164
2165 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2166 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2167
2168 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2169 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2170
2171 /* global vn counter - maximal Mbps for this vn */
2172 m_rs_vn.vn_counter.rate = vn_max_rate;
2173
2174 /* quota - number of bytes transmitted in this period */
2175 m_rs_vn.vn_counter.quota =
2176 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2177
2178#ifdef BNX2X_PER_PROT_QOS
2179 /* per protocol counter */
2180 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2181 /* maximal Mbps for this protocol */
2182 m_rs_vn.protocol_counters[protocol].rate =
2183 protocol_max_rate[protocol];
2184 /* the quota in each timer period -
2185 number of bytes transmitted in this period */
2186 m_rs_vn.protocol_counters[protocol].quota =
2187 (u32)(rs_periodic_timeout_usec *
2188 ((double)m_rs_vn.
2189 protocol_counters[protocol].rate/8));
2190 }
2191#endif
2192
2193 if (wsum) {
2194 /* credit for each period of the fairness algorithm:
2195 number of bytes in T_FAIR (the vn share the port rate).
2196 wsum should not be larger than 10000, thus
2197 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2198 m_fair_vn.vn_credit_delta =
2199 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2200 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2201 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2202 m_fair_vn.vn_credit_delta);
2203 }
2204
2205#ifdef BNX2X_PER_PROT_QOS
2206 do {
2207 u32 protocolWeightSum = 0;
2208
2209 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2210 protocolWeightSum +=
2211 drvInit.protocol_min_rate[protocol];
2212 /* per protocol counter -
2213 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2214 if (protocolWeightSum > 0) {
2215 for (protocol = 0;
2216 protocol < NUM_OF_PROTOCOLS; protocol++)
2217 /* credit for each period of the
2218 fairness algorithm - number of bytes in
2219 T_FAIR (the protocol share the vn rate) */
2220 m_fair_vn.protocol_credit_delta[protocol] =
2221 (u32)((vn_min_rate / 8) * t_fair *
2222 protocol_min_rate / protocolWeightSum);
2223 }
2224 } while (0);
2225#endif
2226
2227 /* Store it to internal memory */
2228 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2229 REG_WR(bp, BAR_XSTRORM_INTMEM +
2230 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2231 ((u32 *)(&m_rs_vn))[i]);
2232
2233 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2234 REG_WR(bp, BAR_XSTRORM_INTMEM +
2235 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2236 ((u32 *)(&m_fair_vn))[i]);
2237}
2238
c18487ee
YR		 2239/* This function is called upon link interrupt */
2240static void bnx2x_link_attn(struct bnx2x *bp)
2241{
34f80b04
EG		 2242 int vn;
2243
bb2a0f7a
YG		 2244 /* Make sure that we are synced with the current statistics */
2245 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2246
c18487ee 2247 bnx2x_link_update(&bp->link_params, &bp->link_vars);
a2fbb9ea 2248
bb2a0f7a
YG		 2249 if (bp->link_vars.link_up) {
2250
2251 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2252 struct host_port_stats *pstats;
2253
2254 pstats = bnx2x_sp(bp, port_stats);
2255 /* reset old bmac stats */
2256 memset(&(pstats->mac_stx[0]), 0,
2257 sizeof(struct mac_stx));
2258 }
2259 if ((bp->state == BNX2X_STATE_OPEN) ||
2260 (bp->state == BNX2X_STATE_DISABLED))
2261 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2262 }
2263
c18487ee
YR		 2264 /* indicate link status */
2265 bnx2x_link_report(bp);
34f80b04
EG		 2266
2267 if (IS_E1HMF(bp)) {
2268 int func;
2269
2270 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2271 if (vn == BP_E1HVN(bp))
2272 continue;
2273
2274 func = ((vn << 1) | BP_PORT(bp));
2275
2276 /* Set the attention towards other drivers
2277 on the same port */
2278 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2279 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2280 }
2281 }
2282
2283 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2284 struct cmng_struct_per_port m_cmng_port;
2285 u32 wsum;
2286 int port = BP_PORT(bp);
2287
2288 /* Init RATE SHAPING and FAIRNESS contexts */
2289 wsum = bnx2x_calc_vn_wsum(bp);
2290 bnx2x_init_port_minmax(bp, (int)wsum,
2291 bp->link_vars.line_speed,
2292 &m_cmng_port);
2293 if (IS_E1HMF(bp))
2294 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2295 bnx2x_init_vn_minmax(bp, 2*vn + port,
2296 wsum, bp->link_vars.line_speed,
2297 &m_cmng_port);
2298 }
c18487ee 2299}
a2fbb9ea 2300
c18487ee
YR		 2301static void bnx2x__link_status_update(struct bnx2x *bp)
2302{
2303 if (bp->state != BNX2X_STATE_OPEN)
2304 return;
a2fbb9ea 2305
c18487ee 2306 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
a2fbb9ea 2307
bb2a0f7a
YG		 2308 if (bp->link_vars.link_up)
2309 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2310 else
2311 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2312
c18487ee
YR		 2313 /* indicate link status */
2314 bnx2x_link_report(bp);
a2fbb9ea 2315}
a2fbb9ea 2316
34f80b04
EG		 2317static void bnx2x_pmf_update(struct bnx2x *bp)
2318{
2319 int port = BP_PORT(bp);
2320 u32 val;
2321
2322 bp->port.pmf = 1;
2323 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2324
2325 /* enable nig attention */
2326 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2327 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2328 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
bb2a0f7a
YG		 2329
2330 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
34f80b04
EG		 2331}
2332
c18487ee 2333/* end of Link */
a2fbb9ea
ET		 2334
2335/* slow path */
2336
2337/*
2338 * General service functions
2339 */
2340
2341/* the slow path queue is odd since completions arrive on the fastpath ring */
2342static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2343 u32 data_hi, u32 data_lo, int common)
2344{
34f80b04 2345 int func = BP_FUNC(bp);
a2fbb9ea 2346
34f80b04
EG		 2347 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2348 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
a2fbb9ea
ET		 2349 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2350 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2351 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2352
2353#ifdef BNX2X_STOP_ON_ERROR
2354 if (unlikely(bp->panic))
2355 return -EIO;
2356#endif
2357
34f80b04 2358 spin_lock_bh(&bp->spq_lock);
a2fbb9ea
ET		 2359
2360 if (!bp->spq_left) {
2361 BNX2X_ERR("BUG! SPQ ring full!\n");
34f80b04 2362 spin_unlock_bh(&bp->spq_lock);
a2fbb9ea
ET		 2363 bnx2x_panic();
2364 return -EBUSY;
2365 }
f1410647 2366
a2fbb9ea
ET		 2367 /* CID needs port number to be encoded int it */
2368 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2369 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2370 HW_CID(bp, cid)));
2371 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2372 if (common)
2373 bp->spq_prod_bd->hdr.type |=
2374 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2375
2376 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2377 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2378
2379 bp->spq_left--;
2380
2381 if (bp->spq_prod_bd == bp->spq_last_bd) {
2382 bp->spq_prod_bd = bp->spq;
2383 bp->spq_prod_idx = 0;
2384 DP(NETIF_MSG_TIMER, "end of spq\n");
2385
2386 } else {
2387 bp->spq_prod_bd++;
2388 bp->spq_prod_idx++;
2389 }
2390
34f80b04 2391 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
a2fbb9ea
ET		 2392 bp->spq_prod_idx);
2393
34f80b04 2394 spin_unlock_bh(&bp->spq_lock);
a2fbb9ea
ET		 2395 return 0;
2396}
2397
2398/* acquire split MCP access lock register */
4a37fb66 2399static int bnx2x_acquire_alr(struct bnx2x *bp)
a2fbb9ea 2400{
a2fbb9ea 2401 u32 i, j, val;
34f80b04 2402 int rc = 0;
a2fbb9ea
ET		 2403
2404 might_sleep();
2405 i = 100;
2406 for (j = 0; j < i*10; j++) {
2407 val = (1UL << 31);
2408 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2409 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2410 if (val & (1L << 31))
2411 break;
2412
2413 msleep(5);
2414 }
a2fbb9ea 2415 if (!(val & (1L << 31))) {
19680c48 2416 BNX2X_ERR("Cannot acquire MCP access lock register\n");
a2fbb9ea
ET		 2417 rc = -EBUSY;
2418 }
2419
2420 return rc;
2421}
2422
4a37fb66
YG		 2423/* release split MCP access lock register */
2424static void bnx2x_release_alr(struct bnx2x *bp)
a2fbb9ea
ET		 2425{
2426 u32 val = 0;
2427
2428 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2429}
2430
2431static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2432{
2433 struct host_def_status_block *def_sb = bp->def_status_blk;
2434 u16 rc = 0;
2435
2436 barrier(); /* status block is written to by the chip */
a2fbb9ea
ET		 2437 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2438 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2439 rc |= 1;
2440 }
2441 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2442 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2443 rc |= 2;
2444 }
2445 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2446 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2447 rc |= 4;
2448 }
2449 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2450 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2451 rc |= 8;
2452 }
2453 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2454 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2455 rc |= 16;
2456 }
2457 return rc;
2458}
2459
2460/*
2461 * slow path service functions
2462 */
2463
2464static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2465{
34f80b04 2466 int port = BP_PORT(bp);
5c862848
EG		 2467 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2468 COMMAND_REG_ATTN_BITS_SET);
a2fbb9ea
ET		 2469 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2470 MISC_REG_AEU_MASK_ATTN_FUNC_0;
877e9aa4
ET		 2471 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2472 NIG_REG_MASK_INTERRUPT_PORT0;
3fcaf2e5 2473 u32 aeu_mask;
a2fbb9ea 2474
a2fbb9ea
ET		 2475 if (bp->attn_state & asserted)
2476 BNX2X_ERR("IGU ERROR\n");
2477
3fcaf2e5
EG		 2478 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2479 aeu_mask = REG_RD(bp, aeu_addr);
2480
a2fbb9ea 2481 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
3fcaf2e5
EG		 2482 aeu_mask, asserted);
2483 aeu_mask &= ~(asserted & 0xff);
2484 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
a2fbb9ea 2485
3fcaf2e5
EG		 2486 REG_WR(bp, aeu_addr, aeu_mask);
2487 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
a2fbb9ea 2488
3fcaf2e5 2489 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
a2fbb9ea 2490 bp->attn_state |= asserted;
3fcaf2e5 2491 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
a2fbb9ea
ET		 2492
2493 if (asserted & ATTN_HARD_WIRED_MASK) {
2494 if (asserted & ATTN_NIG_FOR_FUNC) {
a2fbb9ea 2495
a5e9a7cf
EG		 2496 bnx2x_acquire_phy_lock(bp);
2497
877e9aa4
ET		 2498 /* save nig interrupt mask */
2499 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2500 REG_WR(bp, nig_int_mask_addr, 0);
a2fbb9ea 2501
c18487ee 2502 bnx2x_link_attn(bp);
a2fbb9ea
ET		 2503
2504 /* handle unicore attn? */
2505 }
2506 if (asserted & ATTN_SW_TIMER_4_FUNC)
2507 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2508
2509 if (asserted & GPIO_2_FUNC)
2510 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2511
2512 if (asserted & GPIO_3_FUNC)
2513 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2514
2515 if (asserted & GPIO_4_FUNC)
2516 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2517
2518 if (port == 0) {
2519 if (asserted & ATTN_GENERAL_ATTN_1) {
2520 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2521 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2522 }
2523 if (asserted & ATTN_GENERAL_ATTN_2) {
2524 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2525 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2526 }
2527 if (asserted & ATTN_GENERAL_ATTN_3) {
2528 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2529 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2530 }
2531 } else {
2532 if (asserted & ATTN_GENERAL_ATTN_4) {
2533 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2534 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2535 }
2536 if (asserted & ATTN_GENERAL_ATTN_5) {
2537 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2538 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2539 }
2540 if (asserted & ATTN_GENERAL_ATTN_6) {
2541 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2542 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2543 }
2544 }
2545
2546 } /* if hardwired */
2547
5c862848
EG		 2548 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2549 asserted, hc_addr);
2550 REG_WR(bp, hc_addr, asserted);
a2fbb9ea
ET		 2551
2552 /* now set back the mask */
a5e9a7cf 2553 if (asserted & ATTN_NIG_FOR_FUNC) {
877e9aa4 2554 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
a5e9a7cf
EG		 2555 bnx2x_release_phy_lock(bp);
2556 }
a2fbb9ea
ET		 2557}
2558
877e9aa4 2559static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
a2fbb9ea 2560{
34f80b04 2561 int port = BP_PORT(bp);
877e9aa4
ET		 2562 int reg_offset;
2563 u32 val;
2564
34f80b04
EG		 2565 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2566 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
877e9aa4 2567
34f80b04 2568 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
877e9aa4
ET		 2569
2570 val = REG_RD(bp, reg_offset);
2571 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2572 REG_WR(bp, reg_offset, val);
2573
2574 BNX2X_ERR("SPIO5 hw attention\n");
2575
34f80b04 2576 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
7add905f 2577 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
877e9aa4
ET		 2578 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2579 /* Fan failure attention */
2580
17de50b7 2581 /* The PHY reset is controlled by GPIO 1 */
877e9aa4 2582 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
17de50b7
EG		 2583 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2584 /* Low power mode is controlled by GPIO 2 */
877e9aa4 2585 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
17de50b7 2586 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
877e9aa4 2587 /* mark the failure */
c18487ee 2588 bp->link_params.ext_phy_config &=
877e9aa4 2589 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
c18487ee 2590 bp->link_params.ext_phy_config |=
877e9aa4
ET		 2591 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2592 SHMEM_WR(bp,
2593 dev_info.port_hw_config[port].
2594 external_phy_config,
c18487ee 2595 bp->link_params.ext_phy_config);
877e9aa4
ET		 2596 /* log the failure */
2597 printk(KERN_ERR PFX "Fan Failure on Network"
2598 " Controller %s has caused the driver to"
2599 " shutdown the card to prevent permanent"
2600 " damage. Please contact Dell Support for"
2601 " assistance\n", bp->dev->name);
2602 break;
2603
2604 default:
2605 break;
2606 }
2607 }
34f80b04
EG		 2608
2609 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2610
2611 val = REG_RD(bp, reg_offset);
2612 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2613 REG_WR(bp, reg_offset, val);
2614
2615 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2616 (attn & HW_INTERRUT_ASSERT_SET_0));
2617 bnx2x_panic();
2618 }
877e9aa4
ET		 2619}
2620
2621static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2622{
2623 u32 val;
2624
2625 if (attn & BNX2X_DOORQ_ASSERT) {
2626
2627 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2628 BNX2X_ERR("DB hw attention 0x%x\n", val);
2629 /* DORQ discard attention */
2630 if (val & 0x2)
2631 BNX2X_ERR("FATAL error from DORQ\n");
2632 }
34f80b04
EG		 2633
2634 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2635
2636 int port = BP_PORT(bp);
2637 int reg_offset;
2638
2639 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2640 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2641
2642 val = REG_RD(bp, reg_offset);
2643 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2644 REG_WR(bp, reg_offset, val);
2645
2646 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2647 (attn & HW_INTERRUT_ASSERT_SET_1));
2648 bnx2x_panic();
2649 }
877e9aa4
ET		 2650}
2651
2652static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2653{
2654 u32 val;
2655
2656 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2657
2658 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2659 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2660 /* CFC error attention */
2661 if (val & 0x2)
2662 BNX2X_ERR("FATAL error from CFC\n");
2663 }
2664
2665 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2666
2667 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2668 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2669 /* RQ_USDMDP_FIFO_OVERFLOW */
2670 if (val & 0x18000)
2671 BNX2X_ERR("FATAL error from PXP\n");
2672 }
34f80b04
EG		 2673
2674 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2675
2676 int port = BP_PORT(bp);
2677 int reg_offset;
2678
2679 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2680 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2681
2682 val = REG_RD(bp, reg_offset);
2683 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2684 REG_WR(bp, reg_offset, val);
2685
2686 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2687 (attn & HW_INTERRUT_ASSERT_SET_2));
2688 bnx2x_panic();
2689 }
877e9aa4
ET		 2690}
2691
2692static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2693{
34f80b04
EG		 2694 u32 val;
2695
877e9aa4
ET		 2696 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2697
34f80b04
EG		 2698 if (attn & BNX2X_PMF_LINK_ASSERT) {
2699 int func = BP_FUNC(bp);
2700
2701 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2702 bnx2x__link_status_update(bp);
2703 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2704 DRV_STATUS_PMF)
2705 bnx2x_pmf_update(bp);
2706
2707 } else if (attn & BNX2X_MC_ASSERT_BITS) {
877e9aa4
ET		 2708
2709 BNX2X_ERR("MC assert!\n");
2710 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2711 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2712 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2713 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2714 bnx2x_panic();
2715
2716 } else if (attn & BNX2X_MCP_ASSERT) {
2717
2718 BNX2X_ERR("MCP assert!\n");
2719 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
34f80b04 2720 bnx2x_fw_dump(bp);
877e9aa4
ET		 2721
2722 } else
2723 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2724 }
2725
2726 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
34f80b04
EG		 2727 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2728 if (attn & BNX2X_GRC_TIMEOUT) {
2729 val = CHIP_IS_E1H(bp) ?
2730 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2731 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2732 }
2733 if (attn & BNX2X_GRC_RSV) {
2734 val = CHIP_IS_E1H(bp) ?
2735 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2736 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2737 }
877e9aa4 2738 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
877e9aa4
ET		 2739 }
2740}
2741
2742static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2743{
a2fbb9ea
ET		 2744 struct attn_route attn;
2745 struct attn_route group_mask;
34f80b04 2746 int port = BP_PORT(bp);
877e9aa4 2747 int index;
a2fbb9ea
ET		 2748 u32 reg_addr;
2749 u32 val;
3fcaf2e5 2750 u32 aeu_mask;
a2fbb9ea
ET		 2751
2752 /* need to take HW lock because MCP or other port might also
2753 try to handle this event */
4a37fb66 2754 bnx2x_acquire_alr(bp);
a2fbb9ea
ET		 2755
2756 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2757 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2758 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2759 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
34f80b04
EG		 2760 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2761 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
a2fbb9ea
ET		 2762
2763 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2764 if (deasserted & (1 << index)) {
2765 group_mask = bp->attn_group[index];
2766
34f80b04
EG		 2767 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2768 index, group_mask.sig[0], group_mask.sig[1],
2769 group_mask.sig[2], group_mask.sig[3]);
a2fbb9ea 2770
877e9aa4
ET		 2771 bnx2x_attn_int_deasserted3(bp,
2772 attn.sig[3] & group_mask.sig[3]);
2773 bnx2x_attn_int_deasserted1(bp,
2774 attn.sig[1] & group_mask.sig[1]);
2775 bnx2x_attn_int_deasserted2(bp,
2776 attn.sig[2] & group_mask.sig[2]);
2777 bnx2x_attn_int_deasserted0(bp,
2778 attn.sig[0] & group_mask.sig[0]);
a2fbb9ea 2779
a2fbb9ea
ET		 2780 if ((attn.sig[0] & group_mask.sig[0] &
2781 HW_PRTY_ASSERT_SET_0) ||
2782 (attn.sig[1] & group_mask.sig[1] &
2783 HW_PRTY_ASSERT_SET_1) ||
2784 (attn.sig[2] & group_mask.sig[2] &
2785 HW_PRTY_ASSERT_SET_2))
6378c025 2786 BNX2X_ERR("FATAL HW block parity attention\n");
a2fbb9ea
ET		 2787 }
2788 }
2789
4a37fb66 2790 bnx2x_release_alr(bp);
a2fbb9ea 2791
5c862848 2792 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
a2fbb9ea
ET		 2793
2794 val = ~deasserted;
3fcaf2e5
EG		 2795 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2796 val, reg_addr);
5c862848 2797 REG_WR(bp, reg_addr, val);
a2fbb9ea 2798
a2fbb9ea 2799 if (~bp->attn_state & deasserted)
3fcaf2e5 2800 BNX2X_ERR("IGU ERROR\n");
a2fbb9ea
ET		 2801
2802 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2803 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2804
3fcaf2e5
EG		 2805 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2806 aeu_mask = REG_RD(bp, reg_addr);
2807
2808 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2809 aeu_mask, deasserted);
2810 aeu_mask |= (deasserted & 0xff);
2811 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
a2fbb9ea 2812
3fcaf2e5
EG		 2813 REG_WR(bp, reg_addr, aeu_mask);
2814 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
a2fbb9ea
ET		 2815
2816 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2817 bp->attn_state &= ~deasserted;
2818 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2819}
2820
2821static void bnx2x_attn_int(struct bnx2x *bp)
2822{
2823 /* read local copy of bits */
68d59484
EG		 2824 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
2825 attn_bits);
2826 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
2827 attn_bits_ack);
a2fbb9ea
ET		 2828 u32 attn_state = bp->attn_state;
2829
2830 /* look for changed bits */
2831 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2832 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2833
2834 DP(NETIF_MSG_HW,
2835 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2836 attn_bits, attn_ack, asserted, deasserted);
2837
2838 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
34f80b04 2839 BNX2X_ERR("BAD attention state\n");
a2fbb9ea
ET		 2840
2841 /* handle bits that were raised */
2842 if (asserted)
2843 bnx2x_attn_int_asserted(bp, asserted);
2844
2845 if (deasserted)
2846 bnx2x_attn_int_deasserted(bp, deasserted);
2847}
2848
2849static void bnx2x_sp_task(struct work_struct *work)
2850{
1cf167f2 2851 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
a2fbb9ea
ET		 2852 u16 status;
2853
34f80b04 2854
a2fbb9ea
ET		 2855 /* Return here if interrupt is disabled */
2856 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3196a88a 2857 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
a2fbb9ea
ET		 2858 return;
2859 }
2860
2861 status = bnx2x_update_dsb_idx(bp);
34f80b04
EG		 2862/* if (status == 0) */
2863/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
a2fbb9ea 2864
3196a88a 2865 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
a2fbb9ea 2866
877e9aa4
ET		 2867 /* HW attentions */
2868 if (status & 0x1)
a2fbb9ea 2869 bnx2x_attn_int(bp);
a2fbb9ea 2870
bb2a0f7a
YG		 2871 /* CStorm events: query_stats, port delete ramrod */
2872 if (status & 0x2)
2873 bp->stats_pending = 0;
2874
68d59484 2875 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, le16_to_cpu(bp->def_att_idx),
a2fbb9ea
ET		 2876 IGU_INT_NOP, 1);
2877 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2878 IGU_INT_NOP, 1);
2879 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2880 IGU_INT_NOP, 1);
2881 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2882 IGU_INT_NOP, 1);
2883 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2884 IGU_INT_ENABLE, 1);
877e9aa4 2885
a2fbb9ea
ET		 2886}
2887
2888static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2889{
2890 struct net_device *dev = dev_instance;
2891 struct bnx2x *bp = netdev_priv(dev);
2892
2893 /* Return here if interrupt is disabled */
2894 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3196a88a 2895 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
a2fbb9ea
ET		 2896 return IRQ_HANDLED;
2897 }
2898
877e9aa4 2899 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
a2fbb9ea
ET		 2900
2901#ifdef BNX2X_STOP_ON_ERROR
2902 if (unlikely(bp->panic))
2903 return IRQ_HANDLED;
2904#endif
2905
1cf167f2 2906 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
a2fbb9ea
ET		 2907
2908 return IRQ_HANDLED;
2909}
2910
2911/* end of slow path */
2912
2913/* Statistics */
2914
2915/****************************************************************************
2916* Macros
2917****************************************************************************/
2918
a2fbb9ea
ET		 2919/* sum[hi:lo] += add[hi:lo] */
2920#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2921 do { \
2922 s_lo += a_lo; \
f5ba6772 2923 s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
a2fbb9ea
ET		 2924 } while (0)
2925
2926/* difference = minuend - subtrahend */
2927#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2928 do { \
bb2a0f7a
YG		 2929 if (m_lo < s_lo) { \
2930 /* underflow */ \
a2fbb9ea 2931 d_hi = m_hi - s_hi; \
bb2a0f7a 2932 if (d_hi > 0) { \
6378c025 2933 /* we can 'loan' 1 */ \
a2fbb9ea
ET		 2934 d_hi--; \
2935 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
bb2a0f7a 2936 } else { \
6378c025 2937 /* m_hi <= s_hi */ \
a2fbb9ea
ET		 2938 d_hi = 0; \
2939 d_lo = 0; \
2940 } \
bb2a0f7a
YG		 2941 } else { \
2942 /* m_lo >= s_lo */ \
a2fbb9ea 2943 if (m_hi < s_hi) { \
bb2a0f7a
YG		 2944 d_hi = 0; \
2945 d_lo = 0; \
2946 } else { \
6378c025 2947 /* m_hi >= s_hi */ \
bb2a0f7a
YG		 2948 d_hi = m_hi - s_hi; \
2949 d_lo = m_lo - s_lo; \
a2fbb9ea
ET		 2950 } \
2951 } \
2952 } while (0)
2953
bb2a0f7a 2954#define UPDATE_STAT64(s, t) \
a2fbb9ea 2955 do { \
bb2a0f7a
YG		 2956 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2957 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2958 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2959 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2960 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2961 pstats->mac_stx[1].t##_lo, diff.lo); \
a2fbb9ea
ET		 2962 } while (0)
2963
bb2a0f7a 2964#define UPDATE_STAT64_NIG(s, t) \
a2fbb9ea 2965 do { \
bb2a0f7a
YG		 2966 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2967 diff.lo, new->s##_lo, old->s##_lo); \
2968 ADD_64(estats->t##_hi, diff.hi, \
2969 estats->t##_lo, diff.lo); \
a2fbb9ea
ET		 2970 } while (0)
2971
2972/* sum[hi:lo] += add */
2973#define ADD_EXTEND_64(s_hi, s_lo, a) \
2974 do { \
2975 s_lo += a; \
2976 s_hi += (s_lo < a) ? 1 : 0; \
2977 } while (0)
2978
bb2a0f7a 2979#define UPDATE_EXTEND_STAT(s) \
a2fbb9ea 2980 do { \
bb2a0f7a
YG		 2981 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2982 pstats->mac_stx[1].s##_lo, \
2983 new->s); \
a2fbb9ea
ET		 2984 } while (0)
2985
bb2a0f7a 2986#define UPDATE_EXTEND_TSTAT(s, t) \
a2fbb9ea
ET		 2987 do { \
2988 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2989 old_tclient->s = le32_to_cpu(tclient->s); \
bb2a0f7a
YG		 2990 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2991 } while (0)
2992
2993#define UPDATE_EXTEND_XSTAT(s, t) \
2994 do { \
2995 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2996 old_xclient->s = le32_to_cpu(xclient->s); \
2997 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
a2fbb9ea
ET		 2998 } while (0)
2999
3000/*
3001 * General service functions
3002 */
3003
3004static inline long bnx2x_hilo(u32 *hiref)
3005{
3006 u32 lo = *(hiref + 1);
3007#if (BITS_PER_LONG == 64)
3008 u32 hi = *hiref;
3009
3010 return HILO_U64(hi, lo);
3011#else
3012 return lo;
3013#endif
3014}
3015
3016/*
3017 * Init service functions
3018 */
3019
bb2a0f7a
YG		 3020static void bnx2x_storm_stats_post(struct bnx2x *bp)
3021{
3022 if (!bp->stats_pending) {
3023 struct eth_query_ramrod_data ramrod_data = {0};
3024 int rc;
3025
3026 ramrod_data.drv_counter = bp->stats_counter++;
3027 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3028 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3029
3030 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3031 ((u32 *)&ramrod_data)[1],
3032 ((u32 *)&ramrod_data)[0], 0);
3033 if (rc == 0) {
3034 /* stats ramrod has it's own slot on the spq */
3035 bp->spq_left++;
3036 bp->stats_pending = 1;
3037 }
3038 }
3039}
3040
3041static void bnx2x_stats_init(struct bnx2x *bp)
3042{
3043 int port = BP_PORT(bp);
3044
3045 bp->executer_idx = 0;
3046 bp->stats_counter = 0;
3047
3048 /* port stats */
3049 if (!BP_NOMCP(bp))
3050 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3051 else
3052 bp->port.port_stx = 0;
3053 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3054
3055 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3056 bp->port.old_nig_stats.brb_discard =
3057 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
66e855f3
YG		 3058 bp->port.old_nig_stats.brb_truncate =
3059 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
bb2a0f7a
YG		 3060 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3061 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3062 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3063 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3064
3065 /* function stats */
3066 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3067 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3068 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3069 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3070
3071 bp->stats_state = STATS_STATE_DISABLED;
3072 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3073 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3074}
3075
3076static void bnx2x_hw_stats_post(struct bnx2x *bp)
3077{
3078 struct dmae_command *dmae = &bp->stats_dmae;
3079 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3080
3081 *stats_comp = DMAE_COMP_VAL;
3082
3083 /* loader */
3084 if (bp->executer_idx) {
3085 int loader_idx = PMF_DMAE_C(bp);
3086
3087 memset(dmae, 0, sizeof(struct dmae_command));
3088
3089 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3090 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3091 DMAE_CMD_DST_RESET |
3092#ifdef __BIG_ENDIAN
3093 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3094#else
3095 DMAE_CMD_ENDIANITY_DW_SWAP |
3096#endif
3097 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3098 DMAE_CMD_PORT_0) |
3099 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3100 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3101 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3102 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3103 sizeof(struct dmae_command) *
3104 (loader_idx + 1)) >> 2;
3105 dmae->dst_addr_hi = 0;
3106 dmae->len = sizeof(struct dmae_command) >> 2;
3107 if (CHIP_IS_E1(bp))
3108 dmae->len--;
3109 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3110 dmae->comp_addr_hi = 0;
3111 dmae->comp_val = 1;
3112
3113 *stats_comp = 0;
3114 bnx2x_post_dmae(bp, dmae, loader_idx);
3115
3116 } else if (bp->func_stx) {
3117 *stats_comp = 0;
3118 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3119 }
3120}
3121
3122static int bnx2x_stats_comp(struct bnx2x *bp)
3123{
3124 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3125 int cnt = 10;
3126
3127 might_sleep();
3128 while (*stats_comp != DMAE_COMP_VAL) {
bb2a0f7a
YG		 3129 if (!cnt) {
3130 BNX2X_ERR("timeout waiting for stats finished\n");
3131 break;
3132 }
3133 cnt--;
12469401 3134 msleep(1);
bb2a0f7a
YG		 3135 }
3136 return 1;
3137}
3138
3139/*
3140 * Statistics service functions
3141 */
3142
3143static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3144{
3145 struct dmae_command *dmae;
3146 u32 opcode;
3147 int loader_idx = PMF_DMAE_C(bp);
3148 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3149
3150 /* sanity */
3151 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3152 BNX2X_ERR("BUG!\n");
3153 return;
3154 }
3155
3156 bp->executer_idx = 0;
3157
3158 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3159 DMAE_CMD_C_ENABLE |
3160 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3161#ifdef __BIG_ENDIAN
3162 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3163#else
3164 DMAE_CMD_ENDIANITY_DW_SWAP |
3165#endif
3166 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3167 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3168
3169 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3170 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3171 dmae->src_addr_lo = bp->port.port_stx >> 2;
3172 dmae->src_addr_hi = 0;
3173 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3174 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3175 dmae->len = DMAE_LEN32_RD_MAX;
3176 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3177 dmae->comp_addr_hi = 0;
3178 dmae->comp_val = 1;
3179
3180 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3181 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3182 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3183 dmae->src_addr_hi = 0;
7a9b2557
VZ		 3184 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3185 DMAE_LEN32_RD_MAX * 4);
3186 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3187 DMAE_LEN32_RD_MAX * 4);
bb2a0f7a
YG		 3188 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3189 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3190 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3191 dmae->comp_val = DMAE_COMP_VAL;
3192
3193 *stats_comp = 0;
3194 bnx2x_hw_stats_post(bp);
3195 bnx2x_stats_comp(bp);
3196}
3197
3198static void bnx2x_port_stats_init(struct bnx2x *bp)
a2fbb9ea
ET		 3199{
3200 struct dmae_command *dmae;
34f80b04 3201 int port = BP_PORT(bp);
bb2a0f7a 3202 int vn = BP_E1HVN(bp);
a2fbb9ea 3203 u32 opcode;
bb2a0f7a 3204 int loader_idx = PMF_DMAE_C(bp);
a2fbb9ea 3205 u32 mac_addr;
bb2a0f7a
YG		 3206 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3207
3208 /* sanity */
3209 if (!bp->link_vars.link_up || !bp->port.pmf) {
3210 BNX2X_ERR("BUG!\n");
3211 return;
3212 }
a2fbb9ea
ET		 3213
3214 bp->executer_idx = 0;
bb2a0f7a
YG		 3215
3216 /* MCP */
3217 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3218 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3219 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
a2fbb9ea 3220#ifdef __BIG_ENDIAN
bb2a0f7a 3221 DMAE_CMD_ENDIANITY_B_DW_SWAP |
a2fbb9ea 3222#else
bb2a0f7a 3223 DMAE_CMD_ENDIANITY_DW_SWAP |
a2fbb9ea 3224#endif
bb2a0f7a
YG		 3225 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3226 (vn << DMAE_CMD_E1HVN_SHIFT));
a2fbb9ea 3227
bb2a0f7a 3228 if (bp->port.port_stx) {
a2fbb9ea
ET		 3229
3230 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3231 dmae->opcode = opcode;
bb2a0f7a
YG		 3232 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3233 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3234 dmae->dst_addr_lo = bp->port.port_stx >> 2;
a2fbb9ea 3235 dmae->dst_addr_hi = 0;
bb2a0f7a
YG		 3236 dmae->len = sizeof(struct host_port_stats) >> 2;
3237 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3238 dmae->comp_addr_hi = 0;
3239 dmae->comp_val = 1;
a2fbb9ea
ET		 3240 }
3241
bb2a0f7a
YG		 3242 if (bp->func_stx) {
3243
3244 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3245 dmae->opcode = opcode;
3246 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3247 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3248 dmae->dst_addr_lo = bp->func_stx >> 2;
3249 dmae->dst_addr_hi = 0;
3250 dmae->len = sizeof(struct host_func_stats) >> 2;
3251 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3252 dmae->comp_addr_hi = 0;
3253 dmae->comp_val = 1;
a2fbb9ea
ET		 3254 }
3255
bb2a0f7a 3256 /* MAC */
a2fbb9ea
ET		 3257 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3258 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3259 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3260#ifdef __BIG_ENDIAN
3261 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3262#else
3263 DMAE_CMD_ENDIANITY_DW_SWAP |
3264#endif
bb2a0f7a
YG		 3265 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3266 (vn << DMAE_CMD_E1HVN_SHIFT));
a2fbb9ea 3267
c18487ee 3268 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
a2fbb9ea
ET		 3269
3270 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3271 NIG_REG_INGRESS_BMAC0_MEM);
3272
3273 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3274 BIGMAC_REGISTER_TX_STAT_GTBYT */
3275 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3276 dmae->opcode = opcode;
3277 dmae->src_addr_lo = (mac_addr +
3278 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3279 dmae->src_addr_hi = 0;
3280 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3281 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3282 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3283 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3284 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3285 dmae->comp_addr_hi = 0;
3286 dmae->comp_val = 1;
3287
3288 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3289 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3290 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3291 dmae->opcode = opcode;
3292 dmae->src_addr_lo = (mac_addr +
3293 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3294 dmae->src_addr_hi = 0;
3295 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3296 offsetof(struct bmac_stats, rx_stat_gr64_lo));
a2fbb9ea 3297 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3298 offsetof(struct bmac_stats, rx_stat_gr64_lo));
a2fbb9ea
ET		 3299 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3300 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3301 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3302 dmae->comp_addr_hi = 0;
3303 dmae->comp_val = 1;
3304
c18487ee 3305 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
a2fbb9ea
ET		 3306
3307 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3308
3309 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3310 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3311 dmae->opcode = opcode;
3312 dmae->src_addr_lo = (mac_addr +
3313 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3314 dmae->src_addr_hi = 0;
3315 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3316 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3317 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3318 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3319 dmae->comp_addr_hi = 0;
3320 dmae->comp_val = 1;
3321
3322 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3323 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3324 dmae->opcode = opcode;
3325 dmae->src_addr_lo = (mac_addr +
3326 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3327 dmae->src_addr_hi = 0;
3328 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3329 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
a2fbb9ea 3330 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3331 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
a2fbb9ea
ET		 3332 dmae->len = 1;
3333 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3334 dmae->comp_addr_hi = 0;
3335 dmae->comp_val = 1;
3336
3337 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3338 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3339 dmae->opcode = opcode;
3340 dmae->src_addr_lo = (mac_addr +
3341 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3342 dmae->src_addr_hi = 0;
3343 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3344 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
a2fbb9ea 3345 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
bb2a0f7a 3346 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
a2fbb9ea
ET		 3347 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3348 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3349 dmae->comp_addr_hi = 0;
3350 dmae->comp_val = 1;
3351 }
3352
3353 /* NIG */
bb2a0f7a
YG		 3354 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3355 dmae->opcode = opcode;
3356 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3357 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3358 dmae->src_addr_hi = 0;
3359 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3360 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3361 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3362 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3363 dmae->comp_addr_hi = 0;
3364 dmae->comp_val = 1;
3365
3366 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3367 dmae->opcode = opcode;
3368 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3369 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3370 dmae->src_addr_hi = 0;
3371 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3372 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3373 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3374 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3375 dmae->len = (2*sizeof(u32)) >> 2;
3376 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3377 dmae->comp_addr_hi = 0;
3378 dmae->comp_val = 1;
3379
a2fbb9ea
ET		 3380 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3381 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3382 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3383 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3384#ifdef __BIG_ENDIAN
3385 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3386#else
3387 DMAE_CMD_ENDIANITY_DW_SWAP |
3388#endif
bb2a0f7a
YG		 3389 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3390 (vn << DMAE_CMD_E1HVN_SHIFT));
3391 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3392 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
a2fbb9ea 3393 dmae->src_addr_hi = 0;
bb2a0f7a
YG		 3394 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3395 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3396 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3397 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3398 dmae->len = (2*sizeof(u32)) >> 2;
3399 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3400 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3401 dmae->comp_val = DMAE_COMP_VAL;
3402
3403 *stats_comp = 0;
a2fbb9ea
ET		 3404}
3405
bb2a0f7a 3406static void bnx2x_func_stats_init(struct bnx2x *bp)
a2fbb9ea 3407{
bb2a0f7a
YG		 3408 struct dmae_command *dmae = &bp->stats_dmae;
3409 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
a2fbb9ea 3410
bb2a0f7a
YG		 3411 /* sanity */
3412 if (!bp->func_stx) {
3413 BNX2X_ERR("BUG!\n");
3414 return;
3415 }
a2fbb9ea 3416
bb2a0f7a
YG		 3417 bp->executer_idx = 0;
3418 memset(dmae, 0, sizeof(struct dmae_command));
a2fbb9ea 3419
bb2a0f7a
YG		 3420 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3421 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3422 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3423#ifdef __BIG_ENDIAN
3424 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3425#else
3426 DMAE_CMD_ENDIANITY_DW_SWAP |
3427#endif
3428 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3429 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3430 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3431 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3432 dmae->dst_addr_lo = bp->func_stx >> 2;
3433 dmae->dst_addr_hi = 0;
3434 dmae->len = sizeof(struct host_func_stats) >> 2;
3435 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3436 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3437 dmae->comp_val = DMAE_COMP_VAL;
a2fbb9ea 3438
bb2a0f7a
YG		 3439 *stats_comp = 0;
3440}
a2fbb9ea 3441
bb2a0f7a
YG		 3442static void bnx2x_stats_start(struct bnx2x *bp)
3443{
3444 if (bp->port.pmf)
3445 bnx2x_port_stats_init(bp);
3446
3447 else if (bp->func_stx)
3448 bnx2x_func_stats_init(bp);
3449
3450 bnx2x_hw_stats_post(bp);
3451 bnx2x_storm_stats_post(bp);
3452}
3453
3454static void bnx2x_stats_pmf_start(struct bnx2x *bp)
3455{
3456 bnx2x_stats_comp(bp);
3457 bnx2x_stats_pmf_update(bp);
3458 bnx2x_stats_start(bp);
3459}
3460
3461static void bnx2x_stats_restart(struct bnx2x *bp)
3462{
3463 bnx2x_stats_comp(bp);
3464 bnx2x_stats_start(bp);
3465}
3466
3467static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3468{
3469 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3470 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3471 struct regpair diff;
3472
3473 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3474 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3475 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3476 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3477 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3478 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
66e855f3 3479 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
bb2a0f7a
YG		 3480 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3481 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3482 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3483 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3484 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3485 UPDATE_STAT64(tx_stat_gt127,
3486 tx_stat_etherstatspkts65octetsto127octets);
3487 UPDATE_STAT64(tx_stat_gt255,
3488 tx_stat_etherstatspkts128octetsto255octets);
3489 UPDATE_STAT64(tx_stat_gt511,
3490 tx_stat_etherstatspkts256octetsto511octets);
3491 UPDATE_STAT64(tx_stat_gt1023,
3492 tx_stat_etherstatspkts512octetsto1023octets);
3493 UPDATE_STAT64(tx_stat_gt1518,
3494 tx_stat_etherstatspkts1024octetsto1522octets);
3495 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3496 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3497 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3498 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3499 UPDATE_STAT64(tx_stat_gterr,
3500 tx_stat_dot3statsinternalmactransmiterrors);
3501 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3502}
3503
3504static void bnx2x_emac_stats_update(struct bnx2x *bp)
3505{
3506 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3507 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3508
3509 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3510 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3511 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3512 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3513 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3514 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3515 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3516 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3517 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3518 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3519 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3520 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3521 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3522 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3523 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3524 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3525 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3526 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3527 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3528 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3529 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3530 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3531 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3532 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3533 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3534 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3535 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3536 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3537 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3538 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3539 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3540}
3541
3542static int bnx2x_hw_stats_update(struct bnx2x *bp)
3543{
3544 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3545 struct nig_stats *old = &(bp->port.old_nig_stats);
3546 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3547 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3548 struct regpair diff;
3549
3550 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3551 bnx2x_bmac_stats_update(bp);
3552
3553 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3554 bnx2x_emac_stats_update(bp);
3555
3556 else { /* unreached */
3557 BNX2X_ERR("stats updated by dmae but no MAC active\n");
3558 return -1;
3559 }
a2fbb9ea 3560
bb2a0f7a
YG		 3561 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3562 new->brb_discard - old->brb_discard);
66e855f3
YG		 3563 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3564 new->brb_truncate - old->brb_truncate);
a2fbb9ea 3565
bb2a0f7a
YG		 3566 UPDATE_STAT64_NIG(egress_mac_pkt0,
3567 etherstatspkts1024octetsto1522octets);
3568 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
a2fbb9ea 3569
bb2a0f7a 3570 memcpy(old, new, sizeof(struct nig_stats));
a2fbb9ea 3571
bb2a0f7a
YG		 3572 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3573 sizeof(struct mac_stx));
3574 estats->brb_drop_hi = pstats->brb_drop_hi;
3575 estats->brb_drop_lo = pstats->brb_drop_lo;
a2fbb9ea 3576
bb2a0f7a 3577 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
a2fbb9ea 3578
bb2a0f7a 3579 return 0;
a2fbb9ea
ET		 3580}
3581
bb2a0f7a 3582static int bnx2x_storm_stats_update(struct bnx2x *bp)
a2fbb9ea
ET		 3583{
3584 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
bb2a0f7a
YG		 3585 int cl_id = BP_CL_ID(bp);
3586 struct tstorm_per_port_stats *tport =
3587 &stats->tstorm_common.port_statistics;
a2fbb9ea 3588 struct tstorm_per_client_stats *tclient =
bb2a0f7a 3589 &stats->tstorm_common.client_statistics[cl_id];
a2fbb9ea 3590 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
bb2a0f7a
YG		 3591 struct xstorm_per_client_stats *xclient =
3592 &stats->xstorm_common.client_statistics[cl_id];
3593 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3594 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3595 struct bnx2x_eth_stats *estats = &bp->eth_stats;
a2fbb9ea
ET		 3596 u32 diff;
3597
bb2a0f7a
YG		 3598 /* are storm stats valid? */
3599 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3600 bp->stats_counter) {
3601 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3602 " tstorm counter (%d) != stats_counter (%d)\n",
3603 tclient->stats_counter, bp->stats_counter);
a2fbb9ea
ET		 3604 return -1;
3605 }
bb2a0f7a
YG		 3606 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3607 bp->stats_counter) {
3608 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3609 " xstorm counter (%d) != stats_counter (%d)\n",
3610 xclient->stats_counter, bp->stats_counter);
a2fbb9ea
ET		 3611 return -2;
3612 }
a2fbb9ea 3613
bb2a0f7a
YG		 3614 fstats->total_bytes_received_hi =
3615 fstats->valid_bytes_received_hi =
a2fbb9ea 3616 le32_to_cpu(tclient->total_rcv_bytes.hi);
bb2a0f7a
YG		 3617 fstats->total_bytes_received_lo =
3618 fstats->valid_bytes_received_lo =
a2fbb9ea 3619 le32_to_cpu(tclient->total_rcv_bytes.lo);
bb2a0f7a
YG		 3620
3621 estats->error_bytes_received_hi =
3622 le32_to_cpu(tclient->rcv_error_bytes.hi);
3623 estats->error_bytes_received_lo =
3624 le32_to_cpu(tclient->rcv_error_bytes.lo);
3625 ADD_64(estats->error_bytes_received_hi,
3626 estats->rx_stat_ifhcinbadoctets_hi,
3627 estats->error_bytes_received_lo,
3628 estats->rx_stat_ifhcinbadoctets_lo);
3629
3630 ADD_64(fstats->total_bytes_received_hi,
3631 estats->error_bytes_received_hi,
3632 fstats->total_bytes_received_lo,
3633 estats->error_bytes_received_lo);
3634
3635 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
a2fbb9ea 3636 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
bb2a0f7a 3637 total_multicast_packets_received);
a2fbb9ea 3638 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
bb2a0f7a
YG		 3639 total_broadcast_packets_received);
3640
3641 fstats->total_bytes_transmitted_hi =
3642 le32_to_cpu(xclient->total_sent_bytes.hi);
3643 fstats->total_bytes_transmitted_lo =
3644 le32_to_cpu(xclient->total_sent_bytes.lo);
3645
3646 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3647 total_unicast_packets_transmitted);
3648 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3649 total_multicast_packets_transmitted);
3650 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3651 total_broadcast_packets_transmitted);
3652
3653 memcpy(estats, &(fstats->total_bytes_received_hi),
3654 sizeof(struct host_func_stats) - 2*sizeof(u32));
3655
3656 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3657 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3658 estats->brb_truncate_discard =
3659 le32_to_cpu(tport->brb_truncate_discard);
3660 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3661
3662 old_tclient->rcv_unicast_bytes.hi =
a2fbb9ea 3663 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
bb2a0f7a 3664 old_tclient->rcv_unicast_bytes.lo =
a2fbb9ea 3665 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
bb2a0f7a 3666 old_tclient->rcv_broadcast_bytes.hi =
a2fbb9ea 3667 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
bb2a0f7a 3668 old_tclient->rcv_broadcast_bytes.lo =
a2fbb9ea 3669 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
bb2a0f7a 3670 old_tclient->rcv_multicast_bytes.hi =
a2fbb9ea 3671 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
bb2a0f7a 3672 old_tclient->rcv_multicast_bytes.lo =
a2fbb9ea 3673 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
bb2a0f7a 3674 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
a2fbb9ea 3675
bb2a0f7a
YG		 3676 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3677 old_tclient->packets_too_big_discard =
a2fbb9ea 3678 le32_to_cpu(tclient->packets_too_big_discard);
bb2a0f7a
YG		 3679 estats->no_buff_discard =
3680 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3681 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3682
3683 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3684 old_xclient->unicast_bytes_sent.hi =
3685 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3686 old_xclient->unicast_bytes_sent.lo =
3687 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3688 old_xclient->multicast_bytes_sent.hi =
3689 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3690 old_xclient->multicast_bytes_sent.lo =
3691 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3692 old_xclient->broadcast_bytes_sent.hi =
3693 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3694 old_xclient->broadcast_bytes_sent.lo =
3695 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3696
3697 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
a2fbb9ea
ET		 3698
3699 return 0;
3700}
3701
bb2a0f7a 3702static void bnx2x_net_stats_update(struct bnx2x *bp)
a2fbb9ea 3703{
bb2a0f7a
YG		 3704 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3705 struct bnx2x_eth_stats *estats = &bp->eth_stats;
a2fbb9ea
ET		 3706 struct net_device_stats *nstats = &bp->dev->stats;
3707
3708 nstats->rx_packets =
3709 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3710 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3711 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3712
3713 nstats->tx_packets =
3714 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3715 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3716 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3717
bb2a0f7a 3718 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
a2fbb9ea 3719
0e39e645 3720 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
a2fbb9ea 3721
bb2a0f7a
YG		 3722 nstats->rx_dropped = old_tclient->checksum_discard +
3723 estats->mac_discard;
a2fbb9ea
ET		 3724 nstats->tx_dropped = 0;
3725
3726 nstats->multicast =
3727 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3728
bb2a0f7a
YG		 3729 nstats->collisions =
3730 estats->tx_stat_dot3statssinglecollisionframes_lo +
3731 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3732 estats->tx_stat_dot3statslatecollisions_lo +
3733 estats->tx_stat_dot3statsexcessivecollisions_lo;
a2fbb9ea 3734
bb2a0f7a
YG		 3735 estats->jabber_packets_received =
3736 old_tclient->packets_too_big_discard +
3737 estats->rx_stat_dot3statsframestoolong_lo;
3738
3739 nstats->rx_length_errors =
3740 estats->rx_stat_etherstatsundersizepkts_lo +
3741 estats->jabber_packets_received;
66e855f3 3742 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
bb2a0f7a
YG		 3743 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3744 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3745 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
a2fbb9ea
ET		 3746 nstats->rx_missed_errors = estats->xxoverflow_discard;
3747
3748 nstats->rx_errors = nstats->rx_length_errors +
3749 nstats->rx_over_errors +
3750 nstats->rx_crc_errors +
3751 nstats->rx_frame_errors +
0e39e645
ET		 3752 nstats->rx_fifo_errors +
3753 nstats->rx_missed_errors;
a2fbb9ea 3754
bb2a0f7a
YG		 3755 nstats->tx_aborted_errors =
3756 estats->tx_stat_dot3statslatecollisions_lo +
3757 estats->tx_stat_dot3statsexcessivecollisions_lo;
3758 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
a2fbb9ea
ET		 3759 nstats->tx_fifo_errors = 0;
3760 nstats->tx_heartbeat_errors = 0;
3761 nstats->tx_window_errors = 0;
3762
3763 nstats->tx_errors = nstats->tx_aborted_errors +
3764 nstats->tx_carrier_errors;
a2fbb9ea
ET		 3765}
3766
bb2a0f7a 3767static void bnx2x_stats_update(struct bnx2x *bp)
a2fbb9ea 3768{
bb2a0f7a
YG		 3769 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3770 int update = 0;
a2fbb9ea 3771
bb2a0f7a
YG		 3772 if (*stats_comp != DMAE_COMP_VAL)
3773 return;
3774
3775 if (bp->port.pmf)
3776 update = (bnx2x_hw_stats_update(bp) == 0);
a2fbb9ea 3777
bb2a0f7a 3778 update |= (bnx2x_storm_stats_update(bp) == 0);
a2fbb9ea 3779
bb2a0f7a
YG		 3780 if (update)
3781 bnx2x_net_stats_update(bp);
a2fbb9ea 3782
bb2a0f7a
YG		 3783 else {
3784 if (bp->stats_pending) {
3785 bp->stats_pending++;
3786 if (bp->stats_pending == 3) {
3787 BNX2X_ERR("stats not updated for 3 times\n");
3788 bnx2x_panic();
3789 return;
3790 }
3791 }
a2fbb9ea
ET		 3792 }
3793
3794 if (bp->msglevel & NETIF_MSG_TIMER) {
bb2a0f7a
YG		 3795 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3796 struct bnx2x_eth_stats *estats = &bp->eth_stats;
a2fbb9ea 3797 struct net_device_stats *nstats = &bp->dev->stats;
34f80b04 3798 int i;
a2fbb9ea
ET		 3799
3800 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3801 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3802 " tx pkt (%lx)\n",
3803 bnx2x_tx_avail(bp->fp),
7a9b2557 3804 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
a2fbb9ea
ET		 3805 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3806 " rx pkt (%lx)\n",
7a9b2557
VZ		 3807 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3808 bp->fp->rx_comp_cons),
3809 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
a2fbb9ea 3810 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
6378c025 3811 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
bb2a0f7a 3812 estats->driver_xoff, estats->brb_drop_lo);
a2fbb9ea
ET		 3813 printk(KERN_DEBUG "tstats: checksum_discard %u "
3814 "packets_too_big_discard %u no_buff_discard %u "
3815 "mac_discard %u mac_filter_discard %u "
3816 "xxovrflow_discard %u brb_truncate_discard %u "
3817 "ttl0_discard %u\n",
bb2a0f7a
YG		 3818 old_tclient->checksum_discard,
3819 old_tclient->packets_too_big_discard,
3820 old_tclient->no_buff_discard, estats->mac_discard,
a2fbb9ea 3821 estats->mac_filter_discard, estats->xxoverflow_discard,
bb2a0f7a
YG		 3822 estats->brb_truncate_discard,
3823 old_tclient->ttl0_discard);
a2fbb9ea
ET		 3824
3825 for_each_queue(bp, i) {
3826 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3827 bnx2x_fp(bp, i, tx_pkt),
3828 bnx2x_fp(bp, i, rx_pkt),
3829 bnx2x_fp(bp, i, rx_calls));
3830 }
3831 }
3832
bb2a0f7a
YG		 3833 bnx2x_hw_stats_post(bp);
3834 bnx2x_storm_stats_post(bp);
3835}
a2fbb9ea 3836
bb2a0f7a
YG		 3837static void bnx2x_port_stats_stop(struct bnx2x *bp)
3838{
3839 struct dmae_command *dmae;
3840 u32 opcode;
3841 int loader_idx = PMF_DMAE_C(bp);
3842 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
a2fbb9ea 3843
bb2a0f7a 3844 bp->executer_idx = 0;
a2fbb9ea 3845
bb2a0f7a
YG		 3846 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3847 DMAE_CMD_C_ENABLE |
3848 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
a2fbb9ea 3849#ifdef __BIG_ENDIAN
bb2a0f7a 3850 DMAE_CMD_ENDIANITY_B_DW_SWAP |
a2fbb9ea 3851#else
bb2a0f7a 3852 DMAE_CMD_ENDIANITY_DW_SWAP |
a2fbb9ea 3853#endif
bb2a0f7a
YG		 3854 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3855 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3856
3857 if (bp->port.port_stx) {
3858
3859 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3860 if (bp->func_stx)
3861 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3862 else
3863 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3864 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3865 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3866 dmae->dst_addr_lo = bp->port.port_stx >> 2;
a2fbb9ea 3867 dmae->dst_addr_hi = 0;
bb2a0f7a
YG		 3868 dmae->len = sizeof(struct host_port_stats) >> 2;
3869 if (bp->func_stx) {
3870 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3871 dmae->comp_addr_hi = 0;
3872 dmae->comp_val = 1;
3873 } else {
3874 dmae->comp_addr_lo =
3875 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3876 dmae->comp_addr_hi =
3877 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3878 dmae->comp_val = DMAE_COMP_VAL;
a2fbb9ea 3879
bb2a0f7a
YG		 3880 *stats_comp = 0;
3881 }
a2fbb9ea
ET		 3882 }
3883
bb2a0f7a
YG		 3884 if (bp->func_stx) {
3885
3886 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3887 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3888 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3889 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3890 dmae->dst_addr_lo = bp->func_stx >> 2;
3891 dmae->dst_addr_hi = 0;
3892 dmae->len = sizeof(struct host_func_stats) >> 2;
3893 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3894 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3895 dmae->comp_val = DMAE_COMP_VAL;
3896
3897 *stats_comp = 0;
a2fbb9ea 3898 }
bb2a0f7a
YG		 3899}
3900
3901static void bnx2x_stats_stop(struct bnx2x *bp)
3902{
3903 int update = 0;
3904
3905 bnx2x_stats_comp(bp);
3906
3907 if (bp->port.pmf)
3908 update = (bnx2x_hw_stats_update(bp) == 0);
3909
3910 update |= (bnx2x_storm_stats_update(bp) == 0);
3911
3912 if (update) {
3913 bnx2x_net_stats_update(bp);
a2fbb9ea 3914
bb2a0f7a
YG		 3915 if (bp->port.pmf)
3916 bnx2x_port_stats_stop(bp);
3917
3918 bnx2x_hw_stats_post(bp);
3919 bnx2x_stats_comp(bp);
a2fbb9ea
ET		 3920 }
3921}
3922
bb2a0f7a
YG		 3923static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3924{
3925}
3926
3927static const struct {
3928 void (*action)(struct bnx2x *bp);
3929 enum bnx2x_stats_state next_state;
3930} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3931/* state event */
3932{
3933/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3934/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3935/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3936/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3937},
3938{
3939/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3940/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3941/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3942/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3943}
3944};
3945
3946static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3947{
3948 enum bnx2x_stats_state state = bp->stats_state;
3949
3950 bnx2x_stats_stm[state][event].action(bp);
3951 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3952
3953 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3954 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3955 state, event, bp->stats_state);
3956}
3957
a2fbb9ea
ET		 3958static void bnx2x_timer(unsigned long data)
3959{
3960 struct bnx2x *bp = (struct bnx2x *) data;
3961
3962 if (!netif_running(bp->dev))
3963 return;
3964
3965 if (atomic_read(&bp->intr_sem) != 0)
f1410647 3966 goto timer_restart;
a2fbb9ea
ET		 3967
3968 if (poll) {
3969 struct bnx2x_fastpath *fp = &bp->fp[0];
3970 int rc;
3971
3972 bnx2x_tx_int(fp, 1000);
3973 rc = bnx2x_rx_int(fp, 1000);
3974 }
3975
34f80b04
EG		 3976 if (!BP_NOMCP(bp)) {
3977 int func = BP_FUNC(bp);
a2fbb9ea
ET		 3978 u32 drv_pulse;
3979 u32 mcp_pulse;
3980
3981 ++bp->fw_drv_pulse_wr_seq;
3982 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3983 /* TBD - add SYSTEM_TIME */
3984 drv_pulse = bp->fw_drv_pulse_wr_seq;
34f80b04 3985 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
a2fbb9ea 3986
34f80b04 3987 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
a2fbb9ea
ET		 3988 MCP_PULSE_SEQ_MASK);
3989 /* The delta between driver pulse and mcp response
3990 * should be 1 (before mcp response) or 0 (after mcp response)
3991 */
3992 if ((drv_pulse != mcp_pulse) &&
3993 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3994 /* someone lost a heartbeat... */
3995 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3996 drv_pulse, mcp_pulse);
3997 }
3998 }
3999
bb2a0f7a
YG		 4000 if ((bp->state == BNX2X_STATE_OPEN) ||
4001 (bp->state == BNX2X_STATE_DISABLED))
4002 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
a2fbb9ea 4003
f1410647 4004timer_restart:
a2fbb9ea
ET		 4005 mod_timer(&bp->timer, jiffies + bp->current_interval);
4006}
4007
4008/* end of Statistics */
4009
4010/* nic init */
4011
4012/*
4013 * nic init service functions
4014 */
4015
34f80b04 4016static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
a2fbb9ea 4017{
34f80b04
EG		 4018 int port = BP_PORT(bp);
4019
4020 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4021 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
35302989 4022 sizeof(struct ustorm_status_block)/4);
34f80b04
EG		 4023 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4024 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
35302989 4025 sizeof(struct cstorm_status_block)/4);
34f80b04
EG		 4026}
4027
5c862848
EG		 4028static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4029 dma_addr_t mapping, int sb_id)
34f80b04
EG		 4030{
4031 int port = BP_PORT(bp);
bb2a0f7a 4032 int func = BP_FUNC(bp);
a2fbb9ea 4033 int index;
34f80b04 4034 u64 section;
a2fbb9ea
ET		 4035
4036 /* USTORM */
4037 section = ((u64)mapping) + offsetof(struct host_status_block,
4038 u_status_block);
34f80b04 4039 sb->u_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4040
4041 REG_WR(bp, BAR_USTRORM_INTMEM +
34f80b04 4042 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
a2fbb9ea 4043 REG_WR(bp, BAR_USTRORM_INTMEM +
34f80b04 4044 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
a2fbb9ea 4045 U64_HI(section));
bb2a0f7a
YG		 4046 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4047 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
a2fbb9ea
ET		 4048
4049 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4050 REG_WR16(bp, BAR_USTRORM_INTMEM +
34f80b04 4051 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
a2fbb9ea
ET		 4052
4053 /* CSTORM */
4054 section = ((u64)mapping) + offsetof(struct host_status_block,
4055 c_status_block);
34f80b04 4056 sb->c_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4057
4058 REG_WR(bp, BAR_CSTRORM_INTMEM +
34f80b04 4059 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
a2fbb9ea 4060 REG_WR(bp, BAR_CSTRORM_INTMEM +
34f80b04 4061 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
a2fbb9ea 4062 U64_HI(section));
7a9b2557
VZ		 4063 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4064 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
a2fbb9ea
ET		 4065
4066 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4067 REG_WR16(bp, BAR_CSTRORM_INTMEM +
34f80b04
EG		 4068 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4069
4070 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4071}
4072
4073static void bnx2x_zero_def_sb(struct bnx2x *bp)
4074{
4075 int func = BP_FUNC(bp);
a2fbb9ea 4076
34f80b04
EG		 4077 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4078 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4079 sizeof(struct ustorm_def_status_block)/4);
4080 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4081 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4082 sizeof(struct cstorm_def_status_block)/4);
4083 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4084 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4085 sizeof(struct xstorm_def_status_block)/4);
4086 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4087 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4088 sizeof(struct tstorm_def_status_block)/4);
a2fbb9ea
ET		 4089}
4090
4091static void bnx2x_init_def_sb(struct bnx2x *bp,
4092 struct host_def_status_block *def_sb,
34f80b04 4093 dma_addr_t mapping, int sb_id)
a2fbb9ea 4094{
34f80b04
EG		 4095 int port = BP_PORT(bp);
4096 int func = BP_FUNC(bp);
a2fbb9ea
ET		 4097 int index, val, reg_offset;
4098 u64 section;
4099
4100 /* ATTN */
4101 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4102 atten_status_block);
34f80b04 4103 def_sb->atten_status_block.status_block_id = sb_id;
a2fbb9ea 4104
49d66772
ET		 4105 bp->attn_state = 0;
4106
a2fbb9ea
ET		 4107 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4108 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4109
34f80b04 4110 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
a2fbb9ea
ET		 4111 bp->attn_group[index].sig[0] = REG_RD(bp,
4112 reg_offset + 0x10*index);
4113 bp->attn_group[index].sig[1] = REG_RD(bp,
4114 reg_offset + 0x4 + 0x10*index);
4115 bp->attn_group[index].sig[2] = REG_RD(bp,
4116 reg_offset + 0x8 + 0x10*index);
4117 bp->attn_group[index].sig[3] = REG_RD(bp,
4118 reg_offset + 0xc + 0x10*index);
4119 }
4120
a2fbb9ea
ET		 4121 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4122 HC_REG_ATTN_MSG0_ADDR_L);
4123
4124 REG_WR(bp, reg_offset, U64_LO(section));
4125 REG_WR(bp, reg_offset + 4, U64_HI(section));
4126
4127 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4128
4129 val = REG_RD(bp, reg_offset);
34f80b04 4130 val |= sb_id;
a2fbb9ea
ET		 4131 REG_WR(bp, reg_offset, val);
4132
4133 /* USTORM */
4134 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4135 u_def_status_block);
34f80b04 4136 def_sb->u_def_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4137
4138 REG_WR(bp, BAR_USTRORM_INTMEM +
34f80b04 4139 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
a2fbb9ea 4140 REG_WR(bp, BAR_USTRORM_INTMEM +
34f80b04 4141 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
a2fbb9ea 4142 U64_HI(section));
5c862848 4143 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
34f80b04 4144 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
a2fbb9ea
ET		 4145
4146 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4147 REG_WR16(bp, BAR_USTRORM_INTMEM +
34f80b04 4148 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
a2fbb9ea
ET		 4149
4150 /* CSTORM */
4151 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4152 c_def_status_block);
34f80b04 4153 def_sb->c_def_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4154
4155 REG_WR(bp, BAR_CSTRORM_INTMEM +
34f80b04 4156 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
a2fbb9ea 4157 REG_WR(bp, BAR_CSTRORM_INTMEM +
34f80b04 4158 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
a2fbb9ea 4159 U64_HI(section));
5c862848 4160 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
34f80b04 4161 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
a2fbb9ea
ET		 4162
4163 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4164 REG_WR16(bp, BAR_CSTRORM_INTMEM +
34f80b04 4165 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
a2fbb9ea
ET		 4166
4167 /* TSTORM */
4168 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4169 t_def_status_block);
34f80b04 4170 def_sb->t_def_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4171
4172 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4173 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
a2fbb9ea 4174 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4175 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
a2fbb9ea 4176 U64_HI(section));
5c862848 4177 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
34f80b04 4178 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
a2fbb9ea
ET		 4179
4180 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4181 REG_WR16(bp, BAR_TSTRORM_INTMEM +
34f80b04 4182 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
a2fbb9ea
ET		 4183
4184 /* XSTORM */
4185 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4186 x_def_status_block);
34f80b04 4187 def_sb->x_def_status_block.status_block_id = sb_id;
a2fbb9ea
ET		 4188
4189 REG_WR(bp, BAR_XSTRORM_INTMEM +
34f80b04 4190 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
a2fbb9ea 4191 REG_WR(bp, BAR_XSTRORM_INTMEM +
34f80b04 4192 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
a2fbb9ea 4193 U64_HI(section));
5c862848 4194 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
34f80b04 4195 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
a2fbb9ea
ET		 4196
4197 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4198 REG_WR16(bp, BAR_XSTRORM_INTMEM +
34f80b04 4199 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
49d66772 4200
bb2a0f7a 4201 bp->stats_pending = 0;
66e855f3 4202 bp->set_mac_pending = 0;
bb2a0f7a 4203
34f80b04 4204 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
a2fbb9ea
ET		 4205}
4206
4207static void bnx2x_update_coalesce(struct bnx2x *bp)
4208{
34f80b04 4209 int port = BP_PORT(bp);
a2fbb9ea
ET		 4210 int i;
4211
4212 for_each_queue(bp, i) {
34f80b04 4213 int sb_id = bp->fp[i].sb_id;
a2fbb9ea
ET		 4214
4215 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4216 REG_WR8(bp, BAR_USTRORM_INTMEM +
34f80b04 4217 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
5c862848 4218 U_SB_ETH_RX_CQ_INDEX),
34f80b04 4219 bp->rx_ticks/12);
a2fbb9ea 4220 REG_WR16(bp, BAR_USTRORM_INTMEM +
34f80b04 4221 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
5c862848
EG		 4222 U_SB_ETH_RX_CQ_INDEX),
4223 bp->rx_ticks ? 0 : 1);
4224 REG_WR16(bp, BAR_USTRORM_INTMEM +
4225 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4226 U_SB_ETH_RX_BD_INDEX),
34f80b04 4227 bp->rx_ticks ? 0 : 1);
a2fbb9ea
ET		 4228
4229 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4230 REG_WR8(bp, BAR_CSTRORM_INTMEM +
34f80b04 4231 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
5c862848 4232 C_SB_ETH_TX_CQ_INDEX),
34f80b04 4233 bp->tx_ticks/12);
a2fbb9ea 4234 REG_WR16(bp, BAR_CSTRORM_INTMEM +
34f80b04 4235 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
5c862848 4236 C_SB_ETH_TX_CQ_INDEX),
34f80b04 4237 bp->tx_ticks ? 0 : 1);
a2fbb9ea
ET		 4238 }
4239}
4240
7a9b2557
VZ		 4241static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4242 struct bnx2x_fastpath *fp, int last)
4243{
4244 int i;
4245
4246 for (i = 0; i < last; i++) {
4247 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4248 struct sk_buff *skb = rx_buf->skb;
4249
4250 if (skb == NULL) {
4251 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4252 continue;
4253 }
4254
4255 if (fp->tpa_state[i] == BNX2X_TPA_START)
4256 pci_unmap_single(bp->pdev,
4257 pci_unmap_addr(rx_buf, mapping),
437cf2f1 4258 bp->rx_buf_size,
7a9b2557
VZ		 4259 PCI_DMA_FROMDEVICE);
4260
4261 dev_kfree_skb(skb);
4262 rx_buf->skb = NULL;
4263 }
4264}
4265
a2fbb9ea
ET		 4266static void bnx2x_init_rx_rings(struct bnx2x *bp)
4267{
7a9b2557 4268 int func = BP_FUNC(bp);
32626230
EG		 4269 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4270 ETH_MAX_AGGREGATION_QUEUES_E1H;
4271 u16 ring_prod, cqe_ring_prod;
a2fbb9ea 4272 int i, j;
a2fbb9ea 4273
437cf2f1
EG		 4274 bp->rx_buf_size = bp->dev->mtu;
4275 bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4276 BCM_RX_ETH_PAYLOAD_ALIGN;
a2fbb9ea 4277
7a9b2557
VZ		 4278 if (bp->flags & TPA_ENABLE_FLAG) {
4279 DP(NETIF_MSG_IFUP,
437cf2f1
EG		 4280 "rx_buf_size %d effective_mtu %d\n",
4281 bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
7a9b2557
VZ		 4282
4283 for_each_queue(bp, j) {
32626230 4284 struct bnx2x_fastpath *fp = &bp->fp[j];
7a9b2557 4285
32626230 4286 for (i = 0; i < max_agg_queues; i++) {
7a9b2557
VZ		 4287 fp->tpa_pool[i].skb =
4288 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4289 if (!fp->tpa_pool[i].skb) {
4290 BNX2X_ERR("Failed to allocate TPA "
4291 "skb pool for queue[%d] - "
4292 "disabling TPA on this "
4293 "queue!\n", j);
4294 bnx2x_free_tpa_pool(bp, fp, i);
4295 fp->disable_tpa = 1;
4296 break;
4297 }
4298 pci_unmap_addr_set((struct sw_rx_bd *)
4299 &bp->fp->tpa_pool[i],
4300 mapping, 0);
4301 fp->tpa_state[i] = BNX2X_TPA_STOP;
4302 }
4303 }
4304 }
4305
a2fbb9ea
ET		 4306 for_each_queue(bp, j) {
4307 struct bnx2x_fastpath *fp = &bp->fp[j];
4308
4309 fp->rx_bd_cons = 0;
4310 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
7a9b2557
VZ		 4311 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
4312
4313 /* "next page" elements initialization */
4314 /* SGE ring */
4315 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4316 struct eth_rx_sge *sge;
4317
4318 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4319 sge->addr_hi =
4320 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4321 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4322 sge->addr_lo =
4323 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4324 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4325 }
4326
4327 bnx2x_init_sge_ring_bit_mask(fp);
a2fbb9ea 4328
7a9b2557 4329 /* RX BD ring */
a2fbb9ea
ET		 4330 for (i = 1; i <= NUM_RX_RINGS; i++) {
4331 struct eth_rx_bd *rx_bd;
4332
4333 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4334 rx_bd->addr_hi =
4335 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
34f80b04 4336 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
a2fbb9ea
ET		 4337 rx_bd->addr_lo =
4338 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
34f80b04 4339 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
a2fbb9ea
ET		 4340 }
4341
34f80b04 4342 /* CQ ring */
a2fbb9ea
ET		 4343 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4344 struct eth_rx_cqe_next_page *nextpg;
4345
4346 nextpg = (struct eth_rx_cqe_next_page *)
4347 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4348 nextpg->addr_hi =
4349 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
34f80b04 4350 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
a2fbb9ea
ET		 4351 nextpg->addr_lo =
4352 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
34f80b04 4353 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
a2fbb9ea
ET		 4354 }
4355
7a9b2557
VZ		 4356 /* Allocate SGEs and initialize the ring elements */
4357 for (i = 0, ring_prod = 0;
4358 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
a2fbb9ea 4359
7a9b2557
VZ		 4360 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4361 BNX2X_ERR("was only able to allocate "
4362 "%d rx sges\n", i);
4363 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4364 /* Cleanup already allocated elements */
4365 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
32626230 4366 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
7a9b2557
VZ		 4367 fp->disable_tpa = 1;
4368 ring_prod = 0;
4369 break;
4370 }
4371 ring_prod = NEXT_SGE_IDX(ring_prod);
4372 }
4373 fp->rx_sge_prod = ring_prod;
4374
4375 /* Allocate BDs and initialize BD ring */
66e855f3 4376 fp->rx_comp_cons = 0;
7a9b2557 4377 cqe_ring_prod = ring_prod = 0;
a2fbb9ea
ET		 4378 for (i = 0; i < bp->rx_ring_size; i++) {
4379 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4380 BNX2X_ERR("was only able to allocate "
4381 "%d rx skbs\n", i);
66e855f3 4382 bp->eth_stats.rx_skb_alloc_failed++;
a2fbb9ea
ET		 4383 break;
4384 }
4385 ring_prod = NEXT_RX_IDX(ring_prod);
7a9b2557 4386 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
53e5e96e 4387 WARN_ON(ring_prod <= i);
a2fbb9ea
ET		 4388 }
4389
7a9b2557
VZ		 4390 fp->rx_bd_prod = ring_prod;
4391 /* must not have more available CQEs than BDs */
4392 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4393 cqe_ring_prod);
a2fbb9ea
ET		 4394 fp->rx_pkt = fp->rx_calls = 0;
4395
7a9b2557
VZ		 4396 /* Warning!
4397 * this will generate an interrupt (to the TSTORM)
4398 * must only be done after chip is initialized
4399 */
4400 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4401 fp->rx_sge_prod);
a2fbb9ea
ET		 4402 if (j != 0)
4403 continue;
4404
4405 REG_WR(bp, BAR_USTRORM_INTMEM +
7a9b2557 4406 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
a2fbb9ea
ET		 4407 U64_LO(fp->rx_comp_mapping));
4408 REG_WR(bp, BAR_USTRORM_INTMEM +
7a9b2557 4409 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
a2fbb9ea
ET		 4410 U64_HI(fp->rx_comp_mapping));
4411 }
4412}
4413
4414static void bnx2x_init_tx_ring(struct bnx2x *bp)
4415{
4416 int i, j;
4417
4418 for_each_queue(bp, j) {
4419 struct bnx2x_fastpath *fp = &bp->fp[j];
4420
4421 for (i = 1; i <= NUM_TX_RINGS; i++) {
4422 struct eth_tx_bd *tx_bd =
4423 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4424
4425 tx_bd->addr_hi =
4426 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
34f80b04 4427 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
a2fbb9ea
ET		 4428 tx_bd->addr_lo =
4429 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
34f80b04 4430 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
a2fbb9ea
ET		 4431 }
4432
4433 fp->tx_pkt_prod = 0;
4434 fp->tx_pkt_cons = 0;
4435 fp->tx_bd_prod = 0;
4436 fp->tx_bd_cons = 0;
4437 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4438 fp->tx_pkt = 0;
4439 }
4440}
4441
4442static void bnx2x_init_sp_ring(struct bnx2x *bp)
4443{
34f80b04 4444 int func = BP_FUNC(bp);
a2fbb9ea
ET		 4445
4446 spin_lock_init(&bp->spq_lock);
4447
4448 bp->spq_left = MAX_SPQ_PENDING;
4449 bp->spq_prod_idx = 0;
a2fbb9ea
ET		 4450 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4451 bp->spq_prod_bd = bp->spq;
4452 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4453
34f80b04 4454 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
a2fbb9ea 4455 U64_LO(bp->spq_mapping));
34f80b04
EG		 4456 REG_WR(bp,
4457 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
a2fbb9ea
ET		 4458 U64_HI(bp->spq_mapping));
4459
34f80b04 4460 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
a2fbb9ea
ET		 4461 bp->spq_prod_idx);
4462}
4463
4464static void bnx2x_init_context(struct bnx2x *bp)
4465{
4466 int i;
4467
4468 for_each_queue(bp, i) {
4469 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4470 struct bnx2x_fastpath *fp = &bp->fp[i];
34f80b04 4471 u8 sb_id = FP_SB_ID(fp);
a2fbb9ea
ET		 4472
4473 context->xstorm_st_context.tx_bd_page_base_hi =
4474 U64_HI(fp->tx_desc_mapping);
4475 context->xstorm_st_context.tx_bd_page_base_lo =
4476 U64_LO(fp->tx_desc_mapping);
4477 context->xstorm_st_context.db_data_addr_hi =
4478 U64_HI(fp->tx_prods_mapping);
4479 context->xstorm_st_context.db_data_addr_lo =
4480 U64_LO(fp->tx_prods_mapping);
34f80b04
EG		 4481 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4482 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
4483
4484 context->ustorm_st_context.common.sb_index_numbers =
4485 BNX2X_RX_SB_INDEX_NUM;
4486 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4487 context->ustorm_st_context.common.status_block_id = sb_id;
4488 context->ustorm_st_context.common.flags =
4489 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
437cf2f1
EG		 4490 context->ustorm_st_context.common.mc_alignment_size =
4491 BCM_RX_ETH_PAYLOAD_ALIGN;
34f80b04 4492 context->ustorm_st_context.common.bd_buff_size =
437cf2f1 4493 bp->rx_buf_size;
34f80b04 4494 context->ustorm_st_context.common.bd_page_base_hi =
a2fbb9ea 4495 U64_HI(fp->rx_desc_mapping);
34f80b04 4496 context->ustorm_st_context.common.bd_page_base_lo =
a2fbb9ea 4497 U64_LO(fp->rx_desc_mapping);
7a9b2557
VZ		 4498 if (!fp->disable_tpa) {
4499 context->ustorm_st_context.common.flags |=
4500 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4501 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4502 context->ustorm_st_context.common.sge_buff_size =
4503 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4504 context->ustorm_st_context.common.sge_page_base_hi =
4505 U64_HI(fp->rx_sge_mapping);
4506 context->ustorm_st_context.common.sge_page_base_lo =
4507 U64_LO(fp->rx_sge_mapping);
4508 }
4509
a2fbb9ea 4510 context->cstorm_st_context.sb_index_number =
5c862848 4511 C_SB_ETH_TX_CQ_INDEX;
34f80b04 4512 context->cstorm_st_context.status_block_id = sb_id;
a2fbb9ea
ET		 4513
4514 context->xstorm_ag_context.cdu_reserved =
4515 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4516 CDU_REGION_NUMBER_XCM_AG,
4517 ETH_CONNECTION_TYPE);
4518 context->ustorm_ag_context.cdu_usage =
4519 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4520 CDU_REGION_NUMBER_UCM_AG,
4521 ETH_CONNECTION_TYPE);
4522 }
4523}
4524
4525static void bnx2x_init_ind_table(struct bnx2x *bp)
4526{
26c8fa4d 4527 int func = BP_FUNC(bp);
a2fbb9ea
ET		 4528 int i;
4529
4530 if (!is_multi(bp))
4531 return;
4532
34f80b04 4533 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
a2fbb9ea 4534 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
34f80b04 4535 REG_WR8(bp, BAR_TSTRORM_INTMEM +
26c8fa4d
EG		 4536 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
4537 BP_CL_ID(bp) + (i % bp->num_queues));
a2fbb9ea
ET		 4538}
4539
49d66772
ET		 4540static void bnx2x_set_client_config(struct bnx2x *bp)
4541{
49d66772 4542 struct tstorm_eth_client_config tstorm_client = {0};
34f80b04
EG		 4543 int port = BP_PORT(bp);
4544 int i;
49d66772 4545
e7799c5f 4546 tstorm_client.mtu = bp->dev->mtu;
66e855f3 4547 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
49d66772
ET		 4548 tstorm_client.config_flags =
4549 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4550#ifdef BCM_VLAN
0c6671b0 4551 if (bp->rx_mode && bp->vlgrp && (bp->flags & HW_VLAN_RX_FLAG)) {
49d66772
ET		 4552 tstorm_client.config_flags |=
4553 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4554 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4555 }
4556#endif
49d66772 4557
7a9b2557
VZ		 4558 if (bp->flags & TPA_ENABLE_FLAG) {
4559 tstorm_client.max_sges_for_packet =
4f40f2cb 4560 SGE_PAGE_ALIGN(tstorm_client.mtu) >> SGE_PAGE_SHIFT;
7a9b2557
VZ		 4561 tstorm_client.max_sges_for_packet =
4562 ((tstorm_client.max_sges_for_packet +
4563 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4564 PAGES_PER_SGE_SHIFT;
4565
4566 tstorm_client.config_flags |=
4567 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4568 }
4569
49d66772
ET		 4570 for_each_queue(bp, i) {
4571 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4572 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
49d66772
ET		 4573 ((u32 *)&tstorm_client)[0]);
4574 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4575 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
49d66772
ET		 4576 ((u32 *)&tstorm_client)[1]);
4577 }
4578
34f80b04
EG		 4579 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4580 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
49d66772
ET		 4581}
4582
a2fbb9ea
ET		 4583static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4584{
a2fbb9ea 4585 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
34f80b04
EG		 4586 int mode = bp->rx_mode;
4587 int mask = (1 << BP_L_ID(bp));
4588 int func = BP_FUNC(bp);
a2fbb9ea
ET		 4589 int i;
4590
3196a88a 4591 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
a2fbb9ea
ET		 4592
4593 switch (mode) {
4594 case BNX2X_RX_MODE_NONE: /* no Rx */
34f80b04
EG		 4595 tstorm_mac_filter.ucast_drop_all = mask;
4596 tstorm_mac_filter.mcast_drop_all = mask;
4597 tstorm_mac_filter.bcast_drop_all = mask;
a2fbb9ea
ET		 4598 break;
4599 case BNX2X_RX_MODE_NORMAL:
34f80b04 4600 tstorm_mac_filter.bcast_accept_all = mask;
a2fbb9ea
ET		 4601 break;
4602 case BNX2X_RX_MODE_ALLMULTI:
34f80b04
EG		 4603 tstorm_mac_filter.mcast_accept_all = mask;
4604 tstorm_mac_filter.bcast_accept_all = mask;
a2fbb9ea
ET		 4605 break;
4606 case BNX2X_RX_MODE_PROMISC:
34f80b04
EG		 4607 tstorm_mac_filter.ucast_accept_all = mask;
4608 tstorm_mac_filter.mcast_accept_all = mask;
4609 tstorm_mac_filter.bcast_accept_all = mask;
a2fbb9ea
ET		 4610 break;
4611 default:
34f80b04
EG		 4612 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4613 break;
a2fbb9ea
ET		 4614 }
4615
4616 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4617 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4618 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
a2fbb9ea
ET		 4619 ((u32 *)&tstorm_mac_filter)[i]);
4620
34f80b04 4621/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
a2fbb9ea
ET		 4622 ((u32 *)&tstorm_mac_filter)[i]); */
4623 }
a2fbb9ea 4624
49d66772
ET		 4625 if (mode != BNX2X_RX_MODE_NONE)
4626 bnx2x_set_client_config(bp);
a2fbb9ea
ET		 4627}
4628
471de716
EG		 4629static void bnx2x_init_internal_common(struct bnx2x *bp)
4630{
4631 int i;
4632
3cdf1db7
YG		 4633 if (bp->flags & TPA_ENABLE_FLAG) {
4634 struct tstorm_eth_tpa_exist tpa = {0};
4635
4636 tpa.tpa_exist = 1;
4637
4638 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4639 ((u32 *)&tpa)[0]);
4640 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4641 ((u32 *)&tpa)[1]);
4642 }
4643
471de716
EG		 4644 /* Zero this manually as its initialization is
4645 currently missing in the initTool */
4646 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4647 REG_WR(bp, BAR_USTRORM_INTMEM +
4648 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4649}
4650
4651static void bnx2x_init_internal_port(struct bnx2x *bp)
4652{
4653 int port = BP_PORT(bp);
4654
4655 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4656 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4657 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4658 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4659}
4660
4661static void bnx2x_init_internal_func(struct bnx2x *bp)
a2fbb9ea 4662{
a2fbb9ea
ET		 4663 struct tstorm_eth_function_common_config tstorm_config = {0};
4664 struct stats_indication_flags stats_flags = {0};
34f80b04
EG		 4665 int port = BP_PORT(bp);
4666 int func = BP_FUNC(bp);
4667 int i;
471de716 4668 u16 max_agg_size;
a2fbb9ea
ET		 4669
4670 if (is_multi(bp)) {
4671 tstorm_config.config_flags = MULTI_FLAGS;
4672 tstorm_config.rss_result_mask = MULTI_MASK;
4673 }
4674
34f80b04
EG		 4675 tstorm_config.leading_client_id = BP_L_ID(bp);
4676
a2fbb9ea 4677 REG_WR(bp, BAR_TSTRORM_INTMEM +
34f80b04 4678 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
a2fbb9ea
ET		 4679 (*(u32 *)&tstorm_config));
4680
c14423fe 4681 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
a2fbb9ea
ET		 4682 bnx2x_set_storm_rx_mode(bp);
4683
66e855f3
YG		 4684 /* reset xstorm per client statistics */
4685 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4686 REG_WR(bp, BAR_XSTRORM_INTMEM +
4687 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4688 i*4, 0);
4689 }
4690 /* reset tstorm per client statistics */
4691 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4692 REG_WR(bp, BAR_TSTRORM_INTMEM +
4693 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4694 i*4, 0);
4695 }
4696
4697 /* Init statistics related context */
34f80b04 4698 stats_flags.collect_eth = 1;
a2fbb9ea 4699
66e855f3 4700 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
a2fbb9ea 4701 ((u32 *)&stats_flags)[0]);
66e855f3 4702 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
a2fbb9ea
ET		 4703 ((u32 *)&stats_flags)[1]);
4704
66e855f3 4705 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
a2fbb9ea 4706 ((u32 *)&stats_flags)[0]);
66e855f3 4707 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
a2fbb9ea
ET		 4708 ((u32 *)&stats_flags)[1]);
4709
66e855f3 4710 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
a2fbb9ea 4711 ((u32 *)&stats_flags)[0]);
66e855f3 4712 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
a2fbb9ea
ET		 4713 ((u32 *)&stats_flags)[1]);
4714
66e855f3
YG		 4715 REG_WR(bp, BAR_XSTRORM_INTMEM +
4716 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4717 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4718 REG_WR(bp, BAR_XSTRORM_INTMEM +
4719 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4720 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4721
4722 REG_WR(bp, BAR_TSTRORM_INTMEM +
4723 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4724 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4725 REG_WR(bp, BAR_TSTRORM_INTMEM +
4726 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4727 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
34f80b04
EG		 4728
4729 if (CHIP_IS_E1H(bp)) {
4730 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4731 IS_E1HMF(bp));
4732 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4733 IS_E1HMF(bp));
4734 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4735 IS_E1HMF(bp));
4736 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4737 IS_E1HMF(bp));
4738
7a9b2557
VZ		 4739 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4740 bp->e1hov);
34f80b04
EG		 4741 }
4742
4f40f2cb
EG		 4743 /* Init CQ ring mapping and aggregation size, the FW limit is 8 frags */
4744 max_agg_size =
4745 min((u32)(min((u32)8, (u32)MAX_SKB_FRAGS) *
4746 SGE_PAGE_SIZE * PAGES_PER_SGE),
4747 (u32)0xffff);
7a9b2557
VZ		 4748 for_each_queue(bp, i) {
4749 struct bnx2x_fastpath *fp = &bp->fp[i];
7a9b2557
VZ		 4750
4751 REG_WR(bp, BAR_USTRORM_INTMEM +
4752 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4753 U64_LO(fp->rx_comp_mapping));
4754 REG_WR(bp, BAR_USTRORM_INTMEM +
4755 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4756 U64_HI(fp->rx_comp_mapping));
4757
7a9b2557
VZ		 4758 REG_WR16(bp, BAR_USTRORM_INTMEM +
4759 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4760 max_agg_size);
4761 }
a2fbb9ea
ET		 4762}
4763
471de716
EG		 4764static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4765{
4766 switch (load_code) {
4767 case FW_MSG_CODE_DRV_LOAD_COMMON:
4768 bnx2x_init_internal_common(bp);
4769 /* no break */
4770
4771 case FW_MSG_CODE_DRV_LOAD_PORT:
4772 bnx2x_init_internal_port(bp);
4773 /* no break */
4774
4775 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4776 bnx2x_init_internal_func(bp);
4777 break;
4778
4779 default:
4780 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4781 break;
4782 }
4783}
4784
4785static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
a2fbb9ea
ET		 4786{
4787 int i;
4788
4789 for_each_queue(bp, i) {
4790 struct bnx2x_fastpath *fp = &bp->fp[i];
4791
34f80b04 4792 fp->bp = bp;
a2fbb9ea 4793 fp->state = BNX2X_FP_STATE_CLOSED;
a2fbb9ea 4794 fp->index = i;
34f80b04
EG		 4795 fp->cl_id = BP_L_ID(bp) + i;
4796 fp->sb_id = fp->cl_id;
4797 DP(NETIF_MSG_IFUP,
4798 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4799 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
5c862848
EG		 4800 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4801 FP_SB_ID(fp));
4802 bnx2x_update_fpsb_idx(fp);
a2fbb9ea
ET		 4803 }
4804
5c862848
EG		 4805 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4806 DEF_SB_ID);
4807 bnx2x_update_dsb_idx(bp);
a2fbb9ea
ET		 4808 bnx2x_update_coalesce(bp);
4809 bnx2x_init_rx_rings(bp);
4810 bnx2x_init_tx_ring(bp);
4811 bnx2x_init_sp_ring(bp);
4812 bnx2x_init_context(bp);
471de716 4813 bnx2x_init_internal(bp, load_code);
a2fbb9ea 4814 bnx2x_init_ind_table(bp);
0ef00459
EG		 4815 bnx2x_stats_init(bp);
4816
4817 /* At this point, we are ready for interrupts */
4818 atomic_set(&bp->intr_sem, 0);
4819
4820 /* flush all before enabling interrupts */
4821 mb();
4822 mmiowb();
4823
615f8fd9 4824 bnx2x_int_enable(bp);
a2fbb9ea
ET		 4825}
4826
4827/* end of nic init */
4828
4829/*
4830 * gzip service functions
4831 */
4832
4833static int bnx2x_gunzip_init(struct bnx2x *bp)
4834{
4835 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4836 &bp->gunzip_mapping);
4837 if (bp->gunzip_buf == NULL)
4838 goto gunzip_nomem1;
4839
4840 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4841 if (bp->strm == NULL)
4842 goto gunzip_nomem2;
4843
4844 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4845 GFP_KERNEL);
4846 if (bp->strm->workspace == NULL)
4847 goto gunzip_nomem3;
4848
4849 return 0;
4850
4851gunzip_nomem3:
4852 kfree(bp->strm);
4853 bp->strm = NULL;
4854
4855gunzip_nomem2:
4856 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4857 bp->gunzip_mapping);
4858 bp->gunzip_buf = NULL;
4859
4860gunzip_nomem1:
4861 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
34f80b04 4862 " un-compression\n", bp->dev->name);
a2fbb9ea
ET		 4863 return -ENOMEM;
4864}
4865
4866static void bnx2x_gunzip_end(struct bnx2x *bp)
4867{
4868 kfree(bp->strm->workspace);
4869
4870 kfree(bp->strm);
4871 bp->strm = NULL;
4872
4873 if (bp->gunzip_buf) {
4874 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4875 bp->gunzip_mapping);
4876 bp->gunzip_buf = NULL;
4877 }
4878}
4879
4880static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4881{
4882 int n, rc;
4883
4884 /* check gzip header */
4885 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4886 return -EINVAL;
4887
4888 n = 10;
4889
34f80b04 4890#define FNAME 0x8
a2fbb9ea
ET		 4891
4892 if (zbuf[3] & FNAME)
4893 while ((zbuf[n++] != 0) && (n < len));
4894
4895 bp->strm->next_in = zbuf + n;
4896 bp->strm->avail_in = len - n;
4897 bp->strm->next_out = bp->gunzip_buf;
4898 bp->strm->avail_out = FW_BUF_SIZE;
4899
4900 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4901 if (rc != Z_OK)
4902 return rc;
4903
4904 rc = zlib_inflate(bp->strm, Z_FINISH);
4905 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4906 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4907 bp->dev->name, bp->strm->msg);
4908
4909 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4910 if (bp->gunzip_outlen & 0x3)
4911 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4912 " gunzip_outlen (%d) not aligned\n",
4913 bp->dev->name, bp->gunzip_outlen);
4914 bp->gunzip_outlen >>= 2;
4915
4916 zlib_inflateEnd(bp->strm);
4917
4918 if (rc == Z_STREAM_END)
4919 return 0;
4920
4921 return rc;
4922}
4923
4924/* nic load/unload */
4925
4926/*
34f80b04 4927 * General service functions
a2fbb9ea
ET		 4928 */
4929
4930/* send a NIG loopback debug packet */
4931static void bnx2x_lb_pckt(struct bnx2x *bp)
4932{
a2fbb9ea 4933 u32 wb_write[3];
a2fbb9ea
ET		 4934
4935 /* Ethernet source and destination addresses */
a2fbb9ea
ET		 4936 wb_write[0] = 0x55555555;
4937 wb_write[1] = 0x55555555;
34f80b04 4938 wb_write[2] = 0x20; /* SOP */
a2fbb9ea 4939 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
a2fbb9ea
ET		 4940
4941 /* NON-IP protocol */
a2fbb9ea
ET		 4942 wb_write[0] = 0x09000000;
4943 wb_write[1] = 0x55555555;
34f80b04 4944 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
a2fbb9ea 4945 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
a2fbb9ea
ET		 4946}
4947
4948/* some of the internal memories
4949 * are not directly readable from the driver
4950 * to test them we send debug packets
4951 */
4952static int bnx2x_int_mem_test(struct bnx2x *bp)
4953{
4954 int factor;
4955 int count, i;
4956 u32 val = 0;
4957
ad8d3948 4958 if (CHIP_REV_IS_FPGA(bp))
a2fbb9ea 4959 factor = 120;
ad8d3948
EG		 4960 else if (CHIP_REV_IS_EMUL(bp))
4961 factor = 200;
4962 else
a2fbb9ea 4963 factor = 1;
a2fbb9ea
ET		 4964
4965 DP(NETIF_MSG_HW, "start part1\n");
4966
4967 /* Disable inputs of parser neighbor blocks */
4968 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4969 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4970 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
3196a88a 4971 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
a2fbb9ea
ET		 4972
4973 /* Write 0 to parser credits for CFC search request */
4974 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4975
4976 /* send Ethernet packet */
4977 bnx2x_lb_pckt(bp);
4978
4979 /* TODO do i reset NIG statistic? */
4980 /* Wait until NIG register shows 1 packet of size 0x10 */
4981 count = 1000 * factor;
4982 while (count) {
34f80b04 4983
a2fbb9ea
ET		 4984 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4985 val = *bnx2x_sp(bp, wb_data[0]);
a2fbb9ea
ET		 4986 if (val == 0x10)
4987 break;
4988
4989 msleep(10);
4990 count--;
4991 }
4992 if (val != 0x10) {
4993 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4994 return -1;
4995 }
4996
4997 /* Wait until PRS register shows 1 packet */
4998 count = 1000 * factor;
4999 while (count) {
5000 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
a2fbb9ea
ET		 5001 if (val == 1)
5002 break;
5003
5004 msleep(10);
5005 count--;
5006 }
5007 if (val != 0x1) {
5008 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5009 return -2;
5010 }
5011
5012 /* Reset and init BRB, PRS */
34f80b04 5013 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
a2fbb9ea 5014 msleep(50);
34f80b04 5015 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
a2fbb9ea
ET		 5016 msleep(50);
5017 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5018 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5019
5020 DP(NETIF_MSG_HW, "part2\n");
5021
5022 /* Disable inputs of parser neighbor blocks */
5023 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5024 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5025 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
3196a88a 5026 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
a2fbb9ea
ET		 5027
5028 /* Write 0 to parser credits for CFC search request */
5029 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5030
5031 /* send 10 Ethernet packets */
5032 for (i = 0; i < 10; i++)
5033 bnx2x_lb_pckt(bp);
5034
5035 /* Wait until NIG register shows 10 + 1
5036 packets of size 11*0x10 = 0xb0 */
5037 count = 1000 * factor;
5038 while (count) {
34f80b04 5039
a2fbb9ea
ET		 5040 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5041 val = *bnx2x_sp(bp, wb_data[0]);
a2fbb9ea
ET		 5042 if (val == 0xb0)
5043 break;
5044
5045 msleep(10);
5046 count--;
5047 }
5048 if (val != 0xb0) {
5049 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5050 return -3;
5051 }
5052
5053 /* Wait until PRS register shows 2 packets */
5054 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5055 if (val != 2)
5056 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5057
5058 /* Write 1 to parser credits for CFC search request */
5059 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5060
5061 /* Wait until PRS register shows 3 packets */
5062 msleep(10 * factor);
5063 /* Wait until NIG register shows 1 packet of size 0x10 */
5064 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5065 if (val != 3)
5066 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5067
5068 /* clear NIG EOP FIFO */
5069 for (i = 0; i < 11; i++)
5070 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5071 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5072 if (val != 1) {
5073 BNX2X_ERR("clear of NIG failed\n");
5074 return -4;
5075 }
5076
5077 /* Reset and init BRB, PRS, NIG */
5078 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5079 msleep(50);
5080 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5081 msleep(50);
5082 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5083 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5084#ifndef BCM_ISCSI
5085 /* set NIC mode */
5086 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5087#endif
5088
5089 /* Enable inputs of parser neighbor blocks */
5090 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5091 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5092 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
3196a88a 5093 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
a2fbb9ea
ET		 5094
5095 DP(NETIF_MSG_HW, "done\n");
5096
5097 return 0; /* OK */
5098}
5099
5100static void enable_blocks_attention(struct bnx2x *bp)
5101{
5102 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5103 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5104 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5105 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5106 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5107 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5108 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5109 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5110 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
34f80b04
EG		 5111/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5112/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
a2fbb9ea
ET		 5113 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5114 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5115 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
34f80b04
EG		 5116/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5117/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
a2fbb9ea
ET		 5118 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5119 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5120 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5121 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
34f80b04
EG		 5122/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5123/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5124 if (CHIP_REV_IS_FPGA(bp))
5125 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5126 else
5127 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
a2fbb9ea
ET		 5128 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5129 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5130 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
34f80b04
EG		 5131/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5132/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
a2fbb9ea
ET		 5133 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5134 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
34f80b04
EG		 5135/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5136 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
a2fbb9ea
ET		 5137}
5138
34f80b04
EG		 5139
5140static int bnx2x_init_common(struct bnx2x *bp)
a2fbb9ea 5141{
a2fbb9ea 5142 u32 val, i;
a2fbb9ea 5143
34f80b04 5144 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
a2fbb9ea 5145
34f80b04
EG		 5146 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5147 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
a2fbb9ea 5148
34f80b04
EG		 5149 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5150 if (CHIP_IS_E1H(bp))
5151 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
a2fbb9ea 5152
34f80b04
EG		 5153 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5154 msleep(30);
5155 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
a2fbb9ea 5156
34f80b04
EG		 5157 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5158 if (CHIP_IS_E1(bp)) {
5159 /* enable HW interrupt from PXP on USDM overflow
5160 bit 16 on INT_MASK_0 */
5161 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5162 }
a2fbb9ea 5163
34f80b04
EG		 5164 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5165 bnx2x_init_pxp(bp);
a2fbb9ea
ET		 5166
5167#ifdef __BIG_ENDIAN
34f80b04
EG		 5168 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5169 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5170 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5171 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5172 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
34f80b04
EG		 5173
5174/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5175 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5176 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5177 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5178 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
a2fbb9ea
ET		 5179#endif
5180
34f80b04 5181 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
a2fbb9ea 5182#ifdef BCM_ISCSI
34f80b04
EG		 5183 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5184 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5185 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
a2fbb9ea
ET		 5186#endif
5187
34f80b04
EG		 5188 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5189 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
a2fbb9ea 5190
34f80b04
EG		 5191 /* let the HW do it's magic ... */
5192 msleep(100);
5193 /* finish PXP init */
5194 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5195 if (val != 1) {
5196 BNX2X_ERR("PXP2 CFG failed\n");
5197 return -EBUSY;
5198 }
5199 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5200 if (val != 1) {
5201 BNX2X_ERR("PXP2 RD_INIT failed\n");
5202 return -EBUSY;
5203 }
a2fbb9ea 5204
34f80b04
EG		 5205 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5206 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
a2fbb9ea 5207
34f80b04 5208 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
a2fbb9ea 5209
34f80b04
EG		 5210 /* clean the DMAE memory */
5211 bp->dmae_ready = 1;
5212 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
a2fbb9ea 5213
34f80b04
EG		 5214 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5215 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5216 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5217 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
a2fbb9ea 5218
34f80b04
EG		 5219 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5220 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5221 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5222 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5223
5224 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5225 /* soft reset pulse */
5226 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5227 REG_WR(bp, QM_REG_SOFT_RESET, 0);
a2fbb9ea
ET		 5228
5229#ifdef BCM_ISCSI
34f80b04 5230 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
a2fbb9ea 5231#endif
a2fbb9ea 5232
34f80b04
EG		 5233 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5234 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5235 if (!CHIP_REV_IS_SLOW(bp)) {
5236 /* enable hw interrupt from doorbell Q */
5237 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5238 }
a2fbb9ea 5239
34f80b04
EG		 5240 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5241 if (CHIP_REV_IS_SLOW(bp)) {
5242 /* fix for emulation and FPGA for no pause */
5243 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5244 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5245 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5246 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5247 }
a2fbb9ea 5248
34f80b04 5249 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
26c8fa4d 5250 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
3196a88a
EG		 5251 /* set NIC mode */
5252 REG_WR(bp, PRS_REG_NIC_MODE, 1);
34f80b04
EG		 5253 if (CHIP_IS_E1H(bp))
5254 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
a2fbb9ea 5255
34f80b04
EG		 5256 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5257 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5258 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5259 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
a2fbb9ea 5260
34f80b04
EG		 5261 if (CHIP_IS_E1H(bp)) {
5262 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5263 STORM_INTMEM_SIZE_E1H/2);
5264 bnx2x_init_fill(bp,
5265 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5266 0, STORM_INTMEM_SIZE_E1H/2);
5267 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5268 STORM_INTMEM_SIZE_E1H/2);
5269 bnx2x_init_fill(bp,
5270 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5271 0, STORM_INTMEM_SIZE_E1H/2);
5272 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5273 STORM_INTMEM_SIZE_E1H/2);
5274 bnx2x_init_fill(bp,
5275 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5276 0, STORM_INTMEM_SIZE_E1H/2);
5277 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5278 STORM_INTMEM_SIZE_E1H/2);
5279 bnx2x_init_fill(bp,
5280 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5281 0, STORM_INTMEM_SIZE_E1H/2);
5282 } else { /* E1 */
ad8d3948
EG		 5283 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5284 STORM_INTMEM_SIZE_E1);
5285 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5286 STORM_INTMEM_SIZE_E1);
5287 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5288 STORM_INTMEM_SIZE_E1);
5289 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5290 STORM_INTMEM_SIZE_E1);
34f80b04 5291 }
a2fbb9ea 5292
34f80b04
EG		 5293 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5294 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5295 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5296 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
a2fbb9ea 5297
34f80b04
EG		 5298 /* sync semi rtc */
5299 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5300 0x80000000);
5301 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5302 0x80000000);
a2fbb9ea 5303
34f80b04
EG		 5304 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5305 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5306 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
a2fbb9ea 5307
34f80b04
EG		 5308 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5309 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5310 REG_WR(bp, i, 0xc0cac01a);
5311 /* TODO: replace with something meaningful */
5312 }
5313 if (CHIP_IS_E1H(bp))
5314 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5315 REG_WR(bp, SRC_REG_SOFT_RST, 0);
a2fbb9ea 5316
34f80b04
EG		 5317 if (sizeof(union cdu_context) != 1024)
5318 /* we currently assume that a context is 1024 bytes */
5319 printk(KERN_ALERT PFX "please adjust the size of"
5320 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
a2fbb9ea 5321
34f80b04
EG		 5322 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5323 val = (4 << 24) + (0 << 12) + 1024;
5324 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5325 if (CHIP_IS_E1(bp)) {
5326 /* !!! fix pxp client crdit until excel update */
5327 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5328 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5329 }
a2fbb9ea 5330
34f80b04
EG		 5331 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5332 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
a2fbb9ea 5333
34f80b04
EG		 5334 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5335 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
a2fbb9ea 5336
34f80b04
EG		 5337 /* PXPCS COMMON comes here */
5338 /* Reset PCIE errors for debug */
5339 REG_WR(bp, 0x2814, 0xffffffff);
5340 REG_WR(bp, 0x3820, 0xffffffff);
a2fbb9ea 5341
34f80b04
EG		 5342 /* EMAC0 COMMON comes here */
5343 /* EMAC1 COMMON comes here */
5344 /* DBU COMMON comes here */
5345 /* DBG COMMON comes here */
5346
5347 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5348 if (CHIP_IS_E1H(bp)) {
5349 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5350 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5351 }
5352
5353 if (CHIP_REV_IS_SLOW(bp))
5354 msleep(200);
5355
5356 /* finish CFC init */
5357 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5358 if (val != 1) {
5359 BNX2X_ERR("CFC LL_INIT failed\n");
5360 return -EBUSY;
5361 }
5362 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5363 if (val != 1) {
5364 BNX2X_ERR("CFC AC_INIT failed\n");
5365 return -EBUSY;
5366 }
5367 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5368 if (val != 1) {
5369 BNX2X_ERR("CFC CAM_INIT failed\n");
5370 return -EBUSY;
5371 }
5372 REG_WR(bp, CFC_REG_DEBUG0, 0);
f1410647 5373
34f80b04
EG		 5374 /* read NIG statistic
5375 to see if this is our first up since powerup */
5376 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5377 val = *bnx2x_sp(bp, wb_data[0]);
5378
5379 /* do internal memory self test */
5380 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5381 BNX2X_ERR("internal mem self test failed\n");
5382 return -EBUSY;
5383 }
5384
5385 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
7add905f 5386 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
34f80b04
EG		 5387 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5388 /* Fan failure is indicated by SPIO 5 */
5389 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5390 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5391
5392 /* set to active low mode */
5393 val = REG_RD(bp, MISC_REG_SPIO_INT);
5394 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
f1410647 5395 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
34f80b04 5396 REG_WR(bp, MISC_REG_SPIO_INT, val);
f1410647 5397
34f80b04
EG		 5398 /* enable interrupt to signal the IGU */
5399 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5400 val |= (1 << MISC_REGISTERS_SPIO_5);
5401 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5402 break;
f1410647 5403
34f80b04
EG		 5404 default:
5405 break;
5406 }
f1410647 5407
34f80b04
EG		 5408 /* clear PXP2 attentions */
5409 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
a2fbb9ea 5410
34f80b04 5411 enable_blocks_attention(bp);
a2fbb9ea 5412
6bbca910
YR		 5413 if (!BP_NOMCP(bp)) {
5414 bnx2x_acquire_phy_lock(bp);
5415 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5416 bnx2x_release_phy_lock(bp);
5417 } else
5418 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5419
34f80b04
EG		 5420 return 0;
5421}
a2fbb9ea 5422
34f80b04
EG		 5423static int bnx2x_init_port(struct bnx2x *bp)
5424{
5425 int port = BP_PORT(bp);
5426 u32 val;
a2fbb9ea 5427
34f80b04
EG		 5428 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5429
5430 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
a2fbb9ea
ET		 5431
5432 /* Port PXP comes here */
5433 /* Port PXP2 comes here */
a2fbb9ea
ET		 5434#ifdef BCM_ISCSI
5435 /* Port0 1
5436 * Port1 385 */
5437 i++;
5438 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5439 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5440 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5441 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5442
5443 /* Port0 2
5444 * Port1 386 */
5445 i++;
5446 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5447 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5448 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5449 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5450
5451 /* Port0 3
5452 * Port1 387 */
5453 i++;
5454 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5455 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5456 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5457 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5458#endif
34f80b04 5459 /* Port CMs come here */
a2fbb9ea
ET		 5460
5461 /* Port QM comes here */
a2fbb9ea
ET		 5462#ifdef BCM_ISCSI
5463 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5464 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5465
5466 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5467 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5468#endif
5469 /* Port DQ comes here */
5470 /* Port BRB1 comes here */
ad8d3948 5471 /* Port PRS comes here */
a2fbb9ea
ET		 5472 /* Port TSDM comes here */
5473 /* Port CSDM comes here */
5474 /* Port USDM comes here */
5475 /* Port XSDM comes here */
34f80b04
EG		 5476 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5477 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5478 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5479 port ? USEM_PORT1_END : USEM_PORT0_END);
5480 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5481 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5482 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5483 port ? XSEM_PORT1_END : XSEM_PORT0_END);
a2fbb9ea 5484 /* Port UPB comes here */
34f80b04
EG		 5485 /* Port XPB comes here */
5486
5487 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5488 port ? PBF_PORT1_END : PBF_PORT0_END);
a2fbb9ea
ET		 5489
5490 /* configure PBF to work without PAUSE mtu 9000 */
34f80b04 5491 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
a2fbb9ea
ET		 5492
5493 /* update threshold */
34f80b04 5494 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
a2fbb9ea 5495 /* update init credit */
34f80b04 5496 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
a2fbb9ea
ET		 5497
5498 /* probe changes */
34f80b04 5499 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
a2fbb9ea 5500 msleep(5);
34f80b04 5501 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
a2fbb9ea
ET		 5502
5503#ifdef BCM_ISCSI
5504 /* tell the searcher where the T2 table is */
5505 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5506
5507 wb_write[0] = U64_LO(bp->t2_mapping);
5508 wb_write[1] = U64_HI(bp->t2_mapping);
5509 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5510 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5511 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5512 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5513
5514 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5515 /* Port SRCH comes here */
5516#endif
5517 /* Port CDU comes here */
5518 /* Port CFC comes here */
34f80b04
EG		 5519
5520 if (CHIP_IS_E1(bp)) {
5521 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5522 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5523 }
5524 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5525 port ? HC_PORT1_END : HC_PORT0_END);
5526
5527 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
a2fbb9ea 5528 MISC_AEU_PORT0_START,
34f80b04
EG		 5529 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5530 /* init aeu_mask_attn_func_0/1:
5531 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5532 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5533 * bits 4-7 are used for "per vn group attention" */
5534 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5535 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5536
a2fbb9ea
ET		 5537 /* Port PXPCS comes here */
5538 /* Port EMAC0 comes here */
5539 /* Port EMAC1 comes here */
5540 /* Port DBU comes here */
5541 /* Port DBG comes here */
34f80b04
EG		 5542 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5543 port ? NIG_PORT1_END : NIG_PORT0_END);
5544
5545 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5546
5547 if (CHIP_IS_E1H(bp)) {
5548 u32 wsum;
5549 struct cmng_struct_per_port m_cmng_port;
5550 int vn;
5551
5552 /* 0x2 disable e1hov, 0x1 enable */
5553 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5554 (IS_E1HMF(bp) ? 0x1 : 0x2));
5555
5556 /* Init RATE SHAPING and FAIRNESS contexts.
5557 Initialize as if there is 10G link. */
5558 wsum = bnx2x_calc_vn_wsum(bp);
5559 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5560 if (IS_E1HMF(bp))
5561 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5562 bnx2x_init_vn_minmax(bp, 2*vn + port,
5563 wsum, 10000, &m_cmng_port);
5564 }
5565
a2fbb9ea
ET		 5566 /* Port MCP comes here */
5567 /* Port DMAE comes here */
5568
34f80b04 5569 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
7add905f 5570 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
f1410647
ET		 5571 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5572 /* add SPIO 5 to group 0 */
5573 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5574 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5575 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5576 break;
5577
5578 default:
5579 break;
5580 }
5581
c18487ee 5582 bnx2x__link_reset(bp);
a2fbb9ea 5583
34f80b04
EG		 5584 return 0;
5585}
5586
5587#define ILT_PER_FUNC (768/2)
5588#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5589/* the phys address is shifted right 12 bits and has an added
5590 1=valid bit added to the 53rd bit
5591 then since this is a wide register(TM)
5592 we split it into two 32 bit writes
5593 */
5594#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5595#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5596#define PXP_ONE_ILT(x) (((x) << 10) | x)
5597#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5598
5599#define CNIC_ILT_LINES 0
5600
5601static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5602{
5603 int reg;
5604
5605 if (CHIP_IS_E1H(bp))
5606 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5607 else /* E1 */
5608 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5609
5610 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5611}
5612
5613static int bnx2x_init_func(struct bnx2x *bp)
5614{
5615 int port = BP_PORT(bp);
5616 int func = BP_FUNC(bp);
5617 int i;
5618
5619 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5620
5621 i = FUNC_ILT_BASE(func);
5622
5623 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5624 if (CHIP_IS_E1H(bp)) {
5625 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5626 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5627 } else /* E1 */
5628 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5629 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5630
5631
5632 if (CHIP_IS_E1H(bp)) {
5633 for (i = 0; i < 9; i++)
5634 bnx2x_init_block(bp,
5635 cm_start[func][i], cm_end[func][i]);
5636
5637 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5638 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5639 }
5640
5641 /* HC init per function */
5642 if (CHIP_IS_E1H(bp)) {
5643 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5644
5645 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5646 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5647 }
5648 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5649
5650 if (CHIP_IS_E1H(bp))
5651 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5652
c14423fe 5653 /* Reset PCIE errors for debug */
a2fbb9ea
ET		 5654 REG_WR(bp, 0x2114, 0xffffffff);
5655 REG_WR(bp, 0x2120, 0xffffffff);
a2fbb9ea 5656
34f80b04
EG		 5657 return 0;
5658}
5659
5660static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5661{
5662 int i, rc = 0;
a2fbb9ea 5663
34f80b04
EG		 5664 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5665 BP_FUNC(bp), load_code);
a2fbb9ea 5666
34f80b04
EG		 5667 bp->dmae_ready = 0;
5668 mutex_init(&bp->dmae_mutex);
5669 bnx2x_gunzip_init(bp);
a2fbb9ea 5670
34f80b04
EG		 5671 switch (load_code) {
5672 case FW_MSG_CODE_DRV_LOAD_COMMON:
5673 rc = bnx2x_init_common(bp);
5674 if (rc)
5675 goto init_hw_err;
5676 /* no break */
5677
5678 case FW_MSG_CODE_DRV_LOAD_PORT:
5679 bp->dmae_ready = 1;
5680 rc = bnx2x_init_port(bp);
5681 if (rc)
5682 goto init_hw_err;
5683 /* no break */
5684
5685 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5686 bp->dmae_ready = 1;
5687 rc = bnx2x_init_func(bp);
5688 if (rc)
5689 goto init_hw_err;
5690 break;
5691
5692 default:
5693 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5694 break;
5695 }
5696
5697 if (!BP_NOMCP(bp)) {
5698 int func = BP_FUNC(bp);
a2fbb9ea
ET		 5699
5700 bp->fw_drv_pulse_wr_seq =
34f80b04 5701 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
a2fbb9ea 5702 DRV_PULSE_SEQ_MASK);
34f80b04
EG		 5703 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5704 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5705 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5706 } else
5707 bp->func_stx = 0;
a2fbb9ea 5708
34f80b04
EG		 5709 /* this needs to be done before gunzip end */
5710 bnx2x_zero_def_sb(bp);
5711 for_each_queue(bp, i)
5712 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5713
5714init_hw_err:
5715 bnx2x_gunzip_end(bp);
5716
5717 return rc;
a2fbb9ea
ET		 5718}
5719
c14423fe 5720/* send the MCP a request, block until there is a reply */
a2fbb9ea
ET		 5721static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5722{
34f80b04 5723 int func = BP_FUNC(bp);
f1410647
ET		 5724 u32 seq = ++bp->fw_seq;
5725 u32 rc = 0;
19680c48
EG		 5726 u32 cnt = 1;
5727 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
a2fbb9ea 5728
34f80b04 5729 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
f1410647 5730 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
a2fbb9ea 5731
19680c48
EG		 5732 do {
5733 /* let the FW do it's magic ... */
5734 msleep(delay);
a2fbb9ea 5735
19680c48 5736 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
a2fbb9ea 5737
19680c48
EG		 5738 /* Give the FW up to 2 second (200*10ms) */
5739 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5740
5741 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5742 cnt*delay, rc, seq);
a2fbb9ea
ET		 5743
5744 /* is this a reply to our command? */
5745 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5746 rc &= FW_MSG_CODE_MASK;
f1410647 5747
a2fbb9ea
ET		 5748 } else {
5749 /* FW BUG! */
5750 BNX2X_ERR("FW failed to respond!\n");
5751 bnx2x_fw_dump(bp);
5752 rc = 0;
5753 }
f1410647 5754
a2fbb9ea
ET		 5755 return rc;
5756}
5757
5758static void bnx2x_free_mem(struct bnx2x *bp)
5759{
5760
5761#define BNX2X_PCI_FREE(x, y, size) \
5762 do { \
5763 if (x) { \
5764 pci_free_consistent(bp->pdev, size, x, y); \
5765 x = NULL; \
5766 y = 0; \
5767 } \
5768 } while (0)
5769
5770#define BNX2X_FREE(x) \
5771 do { \
5772 if (x) { \
5773 vfree(x); \
5774 x = NULL; \
5775 } \
5776 } while (0)
5777
5778 int i;
5779
5780 /* fastpath */
5781 for_each_queue(bp, i) {
5782
5783 /* Status blocks */
5784 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5785 bnx2x_fp(bp, i, status_blk_mapping),
5786 sizeof(struct host_status_block) +
5787 sizeof(struct eth_tx_db_data));
5788
5789 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5790 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5791 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5792 bnx2x_fp(bp, i, tx_desc_mapping),
5793 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5794
5795 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5796 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5797 bnx2x_fp(bp, i, rx_desc_mapping),
5798 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5799
5800 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5801 bnx2x_fp(bp, i, rx_comp_mapping),
5802 sizeof(struct eth_fast_path_rx_cqe) *
5803 NUM_RCQ_BD);
a2fbb9ea 5804
7a9b2557 5805 /* SGE ring */
32626230 5806 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
7a9b2557
VZ		 5807 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5808 bnx2x_fp(bp, i, rx_sge_mapping),
5809 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5810 }
a2fbb9ea
ET		 5811 /* end of fastpath */
5812
5813 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
34f80b04 5814 sizeof(struct host_def_status_block));
a2fbb9ea
ET		 5815
5816 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
34f80b04 5817 sizeof(struct bnx2x_slowpath));
a2fbb9ea
ET		 5818
5819#ifdef BCM_ISCSI
5820 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5821 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5822 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5823 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5824#endif
7a9b2557 5825 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
a2fbb9ea
ET		 5826
5827#undef BNX2X_PCI_FREE
5828#undef BNX2X_KFREE
5829}
5830
5831static int bnx2x_alloc_mem(struct bnx2x *bp)
5832{
5833
5834#define BNX2X_PCI_ALLOC(x, y, size) \
5835 do { \
5836 x = pci_alloc_consistent(bp->pdev, size, y); \
5837 if (x == NULL) \
5838 goto alloc_mem_err; \
5839 memset(x, 0, size); \
5840 } while (0)
5841
5842#define BNX2X_ALLOC(x, size) \
5843 do { \
5844 x = vmalloc(size); \
5845 if (x == NULL) \
5846 goto alloc_mem_err; \
5847 memset(x, 0, size); \
5848 } while (0)
5849
5850 int i;
5851
5852 /* fastpath */
a2fbb9ea
ET		 5853 for_each_queue(bp, i) {
5854 bnx2x_fp(bp, i, bp) = bp;
5855
5856 /* Status blocks */
5857 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5858 &bnx2x_fp(bp, i, status_blk_mapping),
5859 sizeof(struct host_status_block) +
5860 sizeof(struct eth_tx_db_data));
5861
5862 bnx2x_fp(bp, i, hw_tx_prods) =
5863 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5864
5865 bnx2x_fp(bp, i, tx_prods_mapping) =
5866 bnx2x_fp(bp, i, status_blk_mapping) +
5867 sizeof(struct host_status_block);
5868
5869 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5870 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5871 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5872 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5873 &bnx2x_fp(bp, i, tx_desc_mapping),
5874 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5875
5876 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5877 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5878 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5879 &bnx2x_fp(bp, i, rx_desc_mapping),
5880 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5881
5882 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5883 &bnx2x_fp(bp, i, rx_comp_mapping),
5884 sizeof(struct eth_fast_path_rx_cqe) *
5885 NUM_RCQ_BD);
5886
7a9b2557
VZ		 5887 /* SGE ring */
5888 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5889 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5890 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5891 &bnx2x_fp(bp, i, rx_sge_mapping),
5892 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
a2fbb9ea
ET		 5893 }
5894 /* end of fastpath */
5895
5896 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5897 sizeof(struct host_def_status_block));
5898
5899 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5900 sizeof(struct bnx2x_slowpath));
5901
5902#ifdef BCM_ISCSI
5903 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5904
5905 /* Initialize T1 */
5906 for (i = 0; i < 64*1024; i += 64) {
5907 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5908 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5909 }
5910
5911 /* allocate searcher T2 table
5912 we allocate 1/4 of alloc num for T2
5913 (which is not entered into the ILT) */
5914 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5915
5916 /* Initialize T2 */
5917 for (i = 0; i < 16*1024; i += 64)
5918 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5919
c14423fe 5920 /* now fixup the last line in the block to point to the next block */
a2fbb9ea
ET		 5921 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5922
5923 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5924 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5925
5926 /* QM queues (128*MAX_CONN) */
5927 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5928#endif
5929
5930 /* Slow path ring */
5931 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5932
5933 return 0;
5934
5935alloc_mem_err:
5936 bnx2x_free_mem(bp);
5937 return -ENOMEM;
5938
5939#undef BNX2X_PCI_ALLOC
5940#undef BNX2X_ALLOC
5941}
5942
5943static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5944{
5945 int i;
5946
5947 for_each_queue(bp, i) {
5948 struct bnx2x_fastpath *fp = &bp->fp[i];
5949
5950 u16 bd_cons = fp->tx_bd_cons;
5951 u16 sw_prod = fp->tx_pkt_prod;
5952 u16 sw_cons = fp->tx_pkt_cons;
5953
a2fbb9ea
ET		 5954 while (sw_cons != sw_prod) {
5955 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5956 sw_cons++;
5957 }
5958 }
5959}
5960
5961static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5962{
5963 int i, j;
5964
5965 for_each_queue(bp, j) {
5966 struct bnx2x_fastpath *fp = &bp->fp[j];
5967
a2fbb9ea
ET		 5968 for (i = 0; i < NUM_RX_BD; i++) {
5969 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5970 struct sk_buff *skb = rx_buf->skb;
5971
5972 if (skb == NULL)
5973 continue;
5974
5975 pci_unmap_single(bp->pdev,
5976 pci_unmap_addr(rx_buf, mapping),
437cf2f1 5977 bp->rx_buf_size,
a2fbb9ea
ET		 5978 PCI_DMA_FROMDEVICE);
5979
5980 rx_buf->skb = NULL;
5981 dev_kfree_skb(skb);
5982 }
7a9b2557 5983 if (!fp->disable_tpa)
32626230
EG		 5984 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5985 ETH_MAX_AGGREGATION_QUEUES_E1 :
7a9b2557 5986 ETH_MAX_AGGREGATION_QUEUES_E1H);
a2fbb9ea
ET		 5987 }
5988}
5989
5990static void bnx2x_free_skbs(struct bnx2x *bp)
5991{
5992 bnx2x_free_tx_skbs(bp);
5993 bnx2x_free_rx_skbs(bp);
5994}
5995
5996static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5997{
34f80b04 5998 int i, offset = 1;
a2fbb9ea
ET		 5999
6000 free_irq(bp->msix_table[0].vector, bp->dev);
c14423fe 6001 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
a2fbb9ea
ET		 6002 bp->msix_table[0].vector);
6003
6004 for_each_queue(bp, i) {
c14423fe 6005 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
34f80b04 6006 "state %x\n", i, bp->msix_table[i + offset].vector,
a2fbb9ea
ET		 6007 bnx2x_fp(bp, i, state));
6008
228241eb
ET		 6009 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
6010 BNX2X_ERR("IRQ of fp #%d being freed while "
6011 "state != closed\n", i);
a2fbb9ea 6012
34f80b04 6013 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
a2fbb9ea 6014 }
a2fbb9ea
ET		 6015}
6016
6017static void bnx2x_free_irq(struct bnx2x *bp)
6018{
a2fbb9ea 6019 if (bp->flags & USING_MSIX_FLAG) {
a2fbb9ea
ET		 6020 bnx2x_free_msix_irqs(bp);
6021 pci_disable_msix(bp->pdev);
a2fbb9ea
ET		 6022 bp->flags &= ~USING_MSIX_FLAG;
6023
6024 } else
6025 free_irq(bp->pdev->irq, bp->dev);
6026}
6027
6028static int bnx2x_enable_msix(struct bnx2x *bp)
6029{
34f80b04 6030 int i, rc, offset;
a2fbb9ea
ET		 6031
6032 bp->msix_table[0].entry = 0;
34f80b04
EG		 6033 offset = 1;
6034 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
a2fbb9ea 6035
34f80b04
EG		 6036 for_each_queue(bp, i) {
6037 int igu_vec = offset + i + BP_L_ID(bp);
a2fbb9ea 6038
34f80b04
EG		 6039 bp->msix_table[i + offset].entry = igu_vec;
6040 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6041 "(fastpath #%u)\n", i + offset, igu_vec, i);
a2fbb9ea
ET		 6042 }
6043
34f80b04
EG		 6044 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6045 bp->num_queues + offset);
6046 if (rc) {
6047 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6048 return -1;
6049 }
a2fbb9ea
ET		 6050 bp->flags |= USING_MSIX_FLAG;
6051
6052 return 0;
a2fbb9ea
ET		 6053}
6054
a2fbb9ea
ET		 6055static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6056{
34f80b04 6057 int i, rc, offset = 1;
a2fbb9ea 6058
a2fbb9ea
ET		 6059 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6060 bp->dev->name, bp->dev);
a2fbb9ea
ET		 6061 if (rc) {
6062 BNX2X_ERR("request sp irq failed\n");
6063 return -EBUSY;
6064 }
6065
6066 for_each_queue(bp, i) {
34f80b04 6067 rc = request_irq(bp->msix_table[i + offset].vector,
a2fbb9ea
ET		 6068 bnx2x_msix_fp_int, 0,
6069 bp->dev->name, &bp->fp[i]);
a2fbb9ea 6070 if (rc) {
3196a88a
EG		 6071 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6072 i + offset, -rc);
a2fbb9ea
ET		 6073 bnx2x_free_msix_irqs(bp);
6074 return -EBUSY;
6075 }
6076
6077 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
a2fbb9ea
ET		 6078 }
6079
6080 return 0;
a2fbb9ea
ET		 6081}
6082
6083static int bnx2x_req_irq(struct bnx2x *bp)
6084{
34f80b04 6085 int rc;
a2fbb9ea 6086
34f80b04
EG		 6087 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6088 bp->dev->name, bp->dev);
a2fbb9ea
ET		 6089 if (!rc)
6090 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6091
6092 return rc;
a2fbb9ea
ET		 6093}
6094
65abd74d
YG		 6095static void bnx2x_napi_enable(struct bnx2x *bp)
6096{
6097 int i;
6098
6099 for_each_queue(bp, i)
6100 napi_enable(&bnx2x_fp(bp, i, napi));
6101}
6102
6103static void bnx2x_napi_disable(struct bnx2x *bp)
6104{
6105 int i;
6106
6107 for_each_queue(bp, i)
6108 napi_disable(&bnx2x_fp(bp, i, napi));
6109}
6110
6111static void bnx2x_netif_start(struct bnx2x *bp)
6112{
6113 if (atomic_dec_and_test(&bp->intr_sem)) {
6114 if (netif_running(bp->dev)) {
6115 if (bp->state == BNX2X_STATE_OPEN)
6116 netif_wake_queue(bp->dev);
6117 bnx2x_napi_enable(bp);
6118 bnx2x_int_enable(bp);
6119 }
6120 }
6121}
6122
f8ef6e44 6123static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
65abd74d 6124{
f8ef6e44 6125 bnx2x_int_disable_sync(bp, disable_hw);
65abd74d
YG		 6126 if (netif_running(bp->dev)) {
6127 bnx2x_napi_disable(bp);
6128 netif_tx_disable(bp->dev);
6129 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6130 }
6131}
6132
a2fbb9ea
ET		 6133/*
6134 * Init service functions
6135 */
6136
3101c2bc 6137static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
a2fbb9ea
ET		 6138{
6139 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
34f80b04 6140 int port = BP_PORT(bp);
a2fbb9ea
ET		 6141
6142 /* CAM allocation
6143 * unicasts 0-31:port0 32-63:port1
6144 * multicast 64-127:port0 128-191:port1
6145 */
6146 config->hdr.length_6b = 2;
34f80b04
EG		 6147 config->hdr.offset = port ? 31 : 0;
6148 config->hdr.client_id = BP_CL_ID(bp);
a2fbb9ea
ET		 6149 config->hdr.reserved1 = 0;
6150
6151 /* primary MAC */
6152 config->config_table[0].cam_entry.msb_mac_addr =
6153 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6154 config->config_table[0].cam_entry.middle_mac_addr =
6155 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6156 config->config_table[0].cam_entry.lsb_mac_addr =
6157 swab16(*(u16 *)&bp->dev->dev_addr[4]);
34f80b04 6158 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
3101c2bc
YG		 6159 if (set)
6160 config->config_table[0].target_table_entry.flags = 0;
6161 else
6162 CAM_INVALIDATE(config->config_table[0]);
a2fbb9ea
ET		 6163 config->config_table[0].target_table_entry.client_id = 0;
6164 config->config_table[0].target_table_entry.vlan_id = 0;
6165
3101c2bc
YG		 6166 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6167 (set ? "setting" : "clearing"),
a2fbb9ea
ET		 6168 config->config_table[0].cam_entry.msb_mac_addr,
6169 config->config_table[0].cam_entry.middle_mac_addr,
6170 config->config_table[0].cam_entry.lsb_mac_addr);
6171
6172 /* broadcast */
6173 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6174 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6175 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
34f80b04 6176 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
3101c2bc
YG		 6177 if (set)
6178 config->config_table[1].target_table_entry.flags =
a2fbb9ea 6179 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
3101c2bc
YG		 6180 else
6181 CAM_INVALIDATE(config->config_table[1]);
a2fbb9ea
ET		 6182 config->config_table[1].target_table_entry.client_id = 0;
6183 config->config_table[1].target_table_entry.vlan_id = 0;
6184
6185 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6186 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6187 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6188}
6189
3101c2bc 6190static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
34f80b04
EG		 6191{
6192 struct mac_configuration_cmd_e1h *config =
6193 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6194
3101c2bc 6195 if (set && (bp->state != BNX2X_STATE_OPEN)) {
34f80b04
EG		 6196 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6197 return;
6198 }
6199
6200 /* CAM allocation for E1H
6201 * unicasts: by func number
6202 * multicast: 20+FUNC*20, 20 each
6203 */
6204 config->hdr.length_6b = 1;
6205 config->hdr.offset = BP_FUNC(bp);
6206 config->hdr.client_id = BP_CL_ID(bp);
6207 config->hdr.reserved1 = 0;
6208
6209 /* primary MAC */
6210 config->config_table[0].msb_mac_addr =
6211 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6212 config->config_table[0].middle_mac_addr =
6213 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6214 config->config_table[0].lsb_mac_addr =
6215 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6216 config->config_table[0].client_id = BP_L_ID(bp);
6217 config->config_table[0].vlan_id = 0;
6218 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
3101c2bc
YG		 6219 if (set)
6220 config->config_table[0].flags = BP_PORT(bp);
6221 else
6222 config->config_table[0].flags =
6223 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
34f80b04 6224
3101c2bc
YG		 6225 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6226 (set ? "setting" : "clearing"),
34f80b04
EG		 6227 config->config_table[0].msb_mac_addr,
6228 config->config_table[0].middle_mac_addr,
6229 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6230
6231 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6232 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6233 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6234}
6235
a2fbb9ea
ET		 6236static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6237 int *state_p, int poll)
6238{
6239 /* can take a while if any port is running */
34f80b04 6240 int cnt = 500;
a2fbb9ea 6241
c14423fe
ET		 6242 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6243 poll ? "polling" : "waiting", state, idx);
a2fbb9ea
ET		 6244
6245 might_sleep();
34f80b04 6246 while (cnt--) {
a2fbb9ea
ET		 6247 if (poll) {
6248 bnx2x_rx_int(bp->fp, 10);
34f80b04
EG		 6249 /* if index is different from 0
6250 * the reply for some commands will
3101c2bc 6251 * be on the non default queue
a2fbb9ea
ET		 6252 */
6253 if (idx)
6254 bnx2x_rx_int(&bp->fp[idx], 10);
6255 }
a2fbb9ea 6256
3101c2bc 6257 mb(); /* state is changed by bnx2x_sp_event() */
49d66772 6258 if (*state_p == state)
a2fbb9ea
ET		 6259 return 0;
6260
a2fbb9ea 6261 msleep(1);
a2fbb9ea
ET		 6262 }
6263
a2fbb9ea 6264 /* timeout! */
49d66772
ET		 6265 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6266 poll ? "polling" : "waiting", state, idx);
34f80b04
EG		 6267#ifdef BNX2X_STOP_ON_ERROR
6268 bnx2x_panic();
6269#endif
a2fbb9ea 6270
49d66772 6271 return -EBUSY;
a2fbb9ea
ET		 6272}
6273
6274static int bnx2x_setup_leading(struct bnx2x *bp)
6275{
34f80b04 6276 int rc;
a2fbb9ea 6277
c14423fe 6278 /* reset IGU state */
34f80b04 6279 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
a2fbb9ea
ET		 6280
6281 /* SETUP ramrod */
6282 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6283
34f80b04
EG		 6284 /* Wait for completion */
6285 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
a2fbb9ea 6286
34f80b04 6287 return rc;
a2fbb9ea
ET		 6288}
6289
6290static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6291{
a2fbb9ea 6292 /* reset IGU state */
34f80b04 6293 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
a2fbb9ea 6294
228241eb 6295 /* SETUP ramrod */
a2fbb9ea
ET		 6296 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6297 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6298
6299 /* Wait for completion */
6300 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
228241eb 6301 &(bp->fp[index].state), 0);
a2fbb9ea
ET		 6302}
6303
a2fbb9ea
ET		 6304static int bnx2x_poll(struct napi_struct *napi, int budget);
6305static void bnx2x_set_rx_mode(struct net_device *dev);
6306
34f80b04
EG		 6307/* must be called with rtnl_lock */
6308static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
a2fbb9ea 6309{
228241eb 6310 u32 load_code;
34f80b04 6311 int i, rc;
34f80b04
EG		 6312#ifdef BNX2X_STOP_ON_ERROR
6313 if (unlikely(bp->panic))
6314 return -EPERM;
6315#endif
a2fbb9ea
ET		 6316
6317 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6318
34f80b04
EG		 6319 /* Send LOAD_REQUEST command to MCP
6320 Returns the type of LOAD command:
6321 if it is the first port to be initialized
6322 common blocks should be initialized, otherwise - not
a2fbb9ea 6323 */
34f80b04 6324 if (!BP_NOMCP(bp)) {
228241eb
ET		 6325 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6326 if (!load_code) {
da5a662a 6327 BNX2X_ERR("MCP response failure, aborting\n");
228241eb
ET		 6328 return -EBUSY;
6329 }
34f80b04 6330 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
a2fbb9ea 6331 return -EBUSY; /* other port in diagnostic mode */
34f80b04 6332
a2fbb9ea 6333 } else {
da5a662a
VZ		 6334 int port = BP_PORT(bp);
6335
34f80b04
EG		 6336 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6337 load_count[0], load_count[1], load_count[2]);
6338 load_count[0]++;
da5a662a 6339 load_count[1 + port]++;
34f80b04
EG		 6340 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6341 load_count[0], load_count[1], load_count[2]);
6342 if (load_count[0] == 1)
6343 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
da5a662a 6344 else if (load_count[1 + port] == 1)
34f80b04
EG		 6345 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6346 else
6347 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
a2fbb9ea
ET		 6348 }
6349
34f80b04
EG		 6350 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6351 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6352 bp->port.pmf = 1;
6353 else
6354 bp->port.pmf = 0;
6355 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6356
6357 /* if we can't use MSI-X we only need one fp,
6358 * so try to enable MSI-X with the requested number of fp's
a2fbb9ea
ET		 6359 * and fallback to inta with one fp
6360 */
34f80b04
EG		 6361 if (use_inta) {
6362 bp->num_queues = 1;
6363
6364 } else {
6365 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6366 /* user requested number */
6367 bp->num_queues = use_multi;
6368
6369 else if (use_multi)
6370 bp->num_queues = min_t(u32, num_online_cpus(),
6371 BP_MAX_QUEUES(bp));
6372 else
a2fbb9ea 6373 bp->num_queues = 1;
34f80b04
EG		 6374
6375 if (bnx2x_enable_msix(bp)) {
6376 /* failed to enable MSI-X */
6377 bp->num_queues = 1;
6378 if (use_multi)
6379 BNX2X_ERR("Multi requested but failed"
6380 " to enable MSI-X\n");
a2fbb9ea
ET		 6381 }
6382 }
34f80b04
EG		 6383 DP(NETIF_MSG_IFUP,
6384 "set number of queues to %d\n", bp->num_queues);
c14423fe 6385
a2fbb9ea
ET		 6386 if (bnx2x_alloc_mem(bp))
6387 return -ENOMEM;
6388
7a9b2557
VZ		 6389 for_each_queue(bp, i)
6390 bnx2x_fp(bp, i, disable_tpa) =
6391 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6392
34f80b04
EG		 6393 if (bp->flags & USING_MSIX_FLAG) {
6394 rc = bnx2x_req_msix_irqs(bp);
6395 if (rc) {
6396 pci_disable_msix(bp->pdev);
6397 goto load_error;
6398 }
6399 } else {
6400 bnx2x_ack_int(bp);
6401 rc = bnx2x_req_irq(bp);
6402 if (rc) {
6403 BNX2X_ERR("IRQ request failed, aborting\n");
6404 goto load_error;
a2fbb9ea
ET		 6405 }
6406 }
6407
6408 for_each_queue(bp, i)
6409 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6410 bnx2x_poll, 128);
6411
a2fbb9ea 6412 /* Initialize HW */
34f80b04
EG		 6413 rc = bnx2x_init_hw(bp, load_code);
6414 if (rc) {
a2fbb9ea 6415 BNX2X_ERR("HW init failed, aborting\n");
d1014634 6416 goto load_int_disable;
a2fbb9ea
ET		 6417 }
6418
a2fbb9ea 6419 /* Setup NIC internals and enable interrupts */
471de716 6420 bnx2x_nic_init(bp, load_code);
a2fbb9ea
ET		 6421
6422 /* Send LOAD_DONE command to MCP */
34f80b04 6423 if (!BP_NOMCP(bp)) {
228241eb
ET		 6424 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6425 if (!load_code) {
da5a662a 6426 BNX2X_ERR("MCP response failure, aborting\n");
34f80b04 6427 rc = -EBUSY;
d1014634 6428 goto load_rings_free;
a2fbb9ea
ET		 6429 }
6430 }
6431
6432 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6433
34f80b04
EG		 6434 rc = bnx2x_setup_leading(bp);
6435 if (rc) {
da5a662a 6436 BNX2X_ERR("Setup leading failed!\n");
d1014634 6437 goto load_netif_stop;
34f80b04 6438 }
a2fbb9ea 6439
34f80b04
EG		 6440 if (CHIP_IS_E1H(bp))
6441 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6442 BNX2X_ERR("!!! mf_cfg function disabled\n");
6443 bp->state = BNX2X_STATE_DISABLED;
6444 }
a2fbb9ea 6445
34f80b04
EG		 6446 if (bp->state == BNX2X_STATE_OPEN)
6447 for_each_nondefault_queue(bp, i) {
6448 rc = bnx2x_setup_multi(bp, i);
6449 if (rc)
d1014634 6450 goto load_netif_stop;
34f80b04 6451 }
a2fbb9ea 6452
34f80b04 6453 if (CHIP_IS_E1(bp))
3101c2bc 6454 bnx2x_set_mac_addr_e1(bp, 1);
34f80b04 6455 else
3101c2bc 6456 bnx2x_set_mac_addr_e1h(bp, 1);
34f80b04
EG		 6457
6458 if (bp->port.pmf)
6459 bnx2x_initial_phy_init(bp);
a2fbb9ea
ET		 6460
6461 /* Start fast path */
34f80b04
EG		 6462 switch (load_mode) {
6463 case LOAD_NORMAL:
6464 /* Tx queue should be only reenabled */
6465 netif_wake_queue(bp->dev);
6466 bnx2x_set_rx_mode(bp->dev);
6467 break;
6468
6469 case LOAD_OPEN:
a2fbb9ea 6470 netif_start_queue(bp->dev);
34f80b04 6471 bnx2x_set_rx_mode(bp->dev);
a2fbb9ea
ET		 6472 if (bp->flags & USING_MSIX_FLAG)
6473 printk(KERN_INFO PFX "%s: using MSI-X\n",
6474 bp->dev->name);
34f80b04 6475 break;
a2fbb9ea 6476
34f80b04 6477 case LOAD_DIAG:
a2fbb9ea 6478 bnx2x_set_rx_mode(bp->dev);
34f80b04
EG		 6479 bp->state = BNX2X_STATE_DIAG;
6480 break;
6481
6482 default:
6483 break;
a2fbb9ea
ET		 6484 }
6485
34f80b04
EG		 6486 if (!bp->port.pmf)
6487 bnx2x__link_status_update(bp);
6488
a2fbb9ea
ET		 6489 /* start the timer */
6490 mod_timer(&bp->timer, jiffies + bp->current_interval);
6491
34f80b04 6492
a2fbb9ea
ET		 6493 return 0;
6494
d1014634 6495load_netif_stop:
65abd74d 6496 bnx2x_napi_disable(bp);
d1014634 6497load_rings_free:
7a9b2557
VZ		 6498 /* Free SKBs, SGEs, TPA pool and driver internals */
6499 bnx2x_free_skbs(bp);
6500 for_each_queue(bp, i)
3196a88a 6501 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
d1014634 6502load_int_disable:
f8ef6e44 6503 bnx2x_int_disable_sync(bp, 1);
d1014634
YG		 6504 /* Release IRQs */
6505 bnx2x_free_irq(bp);
228241eb 6506load_error:
a2fbb9ea 6507 bnx2x_free_mem(bp);
9a035440 6508 bp->port.pmf = 0;
a2fbb9ea
ET		 6509
6510 /* TBD we really need to reset the chip
6511 if we want to recover from this */
34f80b04 6512 return rc;
a2fbb9ea
ET		 6513}
6514
6515static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6516{
a2fbb9ea
ET		 6517 int rc;
6518
c14423fe 6519 /* halt the connection */
a2fbb9ea 6520 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
231fd58a 6521 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
a2fbb9ea 6522
34f80b04 6523 /* Wait for completion */
a2fbb9ea 6524 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
34f80b04 6525 &(bp->fp[index].state), 1);
c14423fe 6526 if (rc) /* timeout */
a2fbb9ea
ET		 6527 return rc;
6528
6529 /* delete cfc entry */
6530 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6531
34f80b04
EG		 6532 /* Wait for completion */
6533 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6534 &(bp->fp[index].state), 1);
6535 return rc;
a2fbb9ea
ET		 6536}
6537
da5a662a 6538static int bnx2x_stop_leading(struct bnx2x *bp)
a2fbb9ea 6539{
49d66772 6540 u16 dsb_sp_prod_idx;
c14423fe 6541 /* if the other port is handling traffic,
a2fbb9ea 6542 this can take a lot of time */
34f80b04
EG		 6543 int cnt = 500;
6544 int rc;
a2fbb9ea
ET		 6545
6546 might_sleep();
6547
6548 /* Send HALT ramrod */
6549 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
34f80b04 6550 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
a2fbb9ea 6551
34f80b04
EG		 6552 /* Wait for completion */
6553 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6554 &(bp->fp[0].state), 1);
6555 if (rc) /* timeout */
da5a662a 6556 return rc;
a2fbb9ea 6557
49d66772 6558 dsb_sp_prod_idx = *bp->dsb_sp_prod;
a2fbb9ea 6559
228241eb 6560 /* Send PORT_DELETE ramrod */
a2fbb9ea
ET		 6561 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6562
49d66772 6563 /* Wait for completion to arrive on default status block
a2fbb9ea
ET		 6564 we are going to reset the chip anyway
6565 so there is not much to do if this times out
6566 */
34f80b04 6567 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
34f80b04
EG		 6568 if (!cnt) {
6569 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6570 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6571 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6572#ifdef BNX2X_STOP_ON_ERROR
6573 bnx2x_panic();
da5a662a
VZ		 6574#else
6575 rc = -EBUSY;
34f80b04
EG		 6576#endif
6577 break;
6578 }
6579 cnt--;
da5a662a 6580 msleep(1);
49d66772
ET		 6581 }
6582 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6583 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
da5a662a
VZ		 6584
6585 return rc;
a2fbb9ea
ET		 6586}
6587
34f80b04
EG		 6588static void bnx2x_reset_func(struct bnx2x *bp)
6589{
6590 int port = BP_PORT(bp);
6591 int func = BP_FUNC(bp);
6592 int base, i;
6593
6594 /* Configure IGU */
6595 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6596 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6597
6598 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6599
6600 /* Clear ILT */
6601 base = FUNC_ILT_BASE(func);
6602 for (i = base; i < base + ILT_PER_FUNC; i++)
6603 bnx2x_ilt_wr(bp, i, 0);
6604}
6605
6606static void bnx2x_reset_port(struct bnx2x *bp)
6607{
6608 int port = BP_PORT(bp);
6609 u32 val;
6610
6611 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6612
6613 /* Do not rcv packets to BRB */
6614 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6615 /* Do not direct rcv packets that are not for MCP to the BRB */
6616 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6617 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6618
6619 /* Configure AEU */
6620 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6621
6622 msleep(100);
6623 /* Check for BRB port occupancy */
6624 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6625 if (val)
6626 DP(NETIF_MSG_IFDOWN,
33471629 6627 "BRB1 is not empty %d blocks are occupied\n", val);
34f80b04
EG		 6628
6629 /* TODO: Close Doorbell port? */
6630}
6631
6632static void bnx2x_reset_common(struct bnx2x *bp)
6633{
6634 /* reset_common */
6635 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6636 0xd3ffff7f);
6637 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6638}
6639
6640static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6641{
6642 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6643 BP_FUNC(bp), reset_code);
6644
6645 switch (reset_code) {
6646 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6647 bnx2x_reset_port(bp);
6648 bnx2x_reset_func(bp);
6649 bnx2x_reset_common(bp);
6650 break;
6651
6652 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6653 bnx2x_reset_port(bp);
6654 bnx2x_reset_func(bp);
6655 break;
6656
6657 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6658 bnx2x_reset_func(bp);
6659 break;
49d66772 6660
34f80b04
EG		 6661 default:
6662 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6663 break;
6664 }
6665}
6666
33471629 6667/* must be called with rtnl_lock */
34f80b04 6668static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
a2fbb9ea 6669{
da5a662a 6670 int port = BP_PORT(bp);
a2fbb9ea 6671 u32 reset_code = 0;
da5a662a 6672 int i, cnt, rc;
a2fbb9ea
ET		 6673
6674 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6675
228241eb
ET		 6676 bp->rx_mode = BNX2X_RX_MODE_NONE;
6677 bnx2x_set_storm_rx_mode(bp);
a2fbb9ea 6678
f8ef6e44 6679 bnx2x_netif_stop(bp, 1);
65abd74d
YG		 6680 if (!netif_running(bp->dev))
6681 bnx2x_napi_disable(bp);
34f80b04
EG		 6682 del_timer_sync(&bp->timer);
6683 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6684 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
bb2a0f7a 6685 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
34f80b04 6686
70b9986c
EG		 6687 /* Release IRQs */
6688 bnx2x_free_irq(bp);
6689
da5a662a 6690 /* Wait until tx fast path tasks complete */
228241eb
ET		 6691 for_each_queue(bp, i) {
6692 struct bnx2x_fastpath *fp = &bp->fp[i];
6693
34f80b04
EG		 6694 cnt = 1000;
6695 smp_rmb();
da5a662a
VZ		 6696 while (BNX2X_HAS_TX_WORK(fp)) {
6697
65abd74d 6698 bnx2x_tx_int(fp, 1000);
34f80b04
EG		 6699 if (!cnt) {
6700 BNX2X_ERR("timeout waiting for queue[%d]\n",
6701 i);
6702#ifdef BNX2X_STOP_ON_ERROR
6703 bnx2x_panic();
6704 return -EBUSY;
6705#else
6706 break;
6707#endif
6708 }
6709 cnt--;
da5a662a 6710 msleep(1);
34f80b04
EG		 6711 smp_rmb();
6712 }
228241eb 6713 }
da5a662a
VZ		 6714 /* Give HW time to discard old tx messages */
6715 msleep(1);
a2fbb9ea 6716
3101c2bc
YG		 6717 if (CHIP_IS_E1(bp)) {
6718 struct mac_configuration_cmd *config =
6719 bnx2x_sp(bp, mcast_config);
6720
6721 bnx2x_set_mac_addr_e1(bp, 0);
6722
6723 for (i = 0; i < config->hdr.length_6b; i++)
6724 CAM_INVALIDATE(config->config_table[i]);
6725
6726 config->hdr.length_6b = i;
6727 if (CHIP_REV_IS_SLOW(bp))
6728 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6729 else
6730 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6731 config->hdr.client_id = BP_CL_ID(bp);
6732 config->hdr.reserved1 = 0;
6733
6734 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6735 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6736 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6737
6738 } else { /* E1H */
65abd74d
YG		 6739 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6740
3101c2bc
YG		 6741 bnx2x_set_mac_addr_e1h(bp, 0);
6742
6743 for (i = 0; i < MC_HASH_SIZE; i++)
6744 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6745 }
6746
65abd74d
YG		 6747 if (unload_mode == UNLOAD_NORMAL)
6748 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6749
6750 else if (bp->flags & NO_WOL_FLAG) {
6751 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6752 if (CHIP_IS_E1H(bp))
6753 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6754
6755 } else if (bp->wol) {
6756 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6757 u8 *mac_addr = bp->dev->dev_addr;
6758 u32 val;
6759 /* The mac address is written to entries 1-4 to
6760 preserve entry 0 which is used by the PMF */
6761 u8 entry = (BP_E1HVN(bp) + 1)*8;
6762
6763 val = (mac_addr[0] << 8) | mac_addr[1];
6764 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
6765
6766 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6767 (mac_addr[4] << 8) | mac_addr[5];
6768 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
6769
6770 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6771
6772 } else
6773 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
da5a662a 6774
34f80b04
EG		 6775 /* Close multi and leading connections
6776 Completions for ramrods are collected in a synchronous way */
a2fbb9ea
ET		 6777 for_each_nondefault_queue(bp, i)
6778 if (bnx2x_stop_multi(bp, i))
228241eb 6779 goto unload_error;
a2fbb9ea 6780
da5a662a
VZ		 6781 rc = bnx2x_stop_leading(bp);
6782 if (rc) {
34f80b04 6783 BNX2X_ERR("Stop leading failed!\n");
da5a662a 6784#ifdef BNX2X_STOP_ON_ERROR
34f80b04 6785 return -EBUSY;
da5a662a
VZ		 6786#else
6787 goto unload_error;
34f80b04 6788#endif
228241eb
ET		 6789 }
6790
6791unload_error:
34f80b04 6792 if (!BP_NOMCP(bp))
228241eb 6793 reset_code = bnx2x_fw_command(bp, reset_code);
34f80b04
EG		 6794 else {
6795 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6796 load_count[0], load_count[1], load_count[2]);
6797 load_count[0]--;
da5a662a 6798 load_count[1 + port]--;
34f80b04
EG		 6799 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6800 load_count[0], load_count[1], load_count[2]);
6801 if (load_count[0] == 0)
6802 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
da5a662a 6803 else if (load_count[1 + port] == 0)
34f80b04
EG		 6804 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6805 else
6806 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6807 }
a2fbb9ea 6808
34f80b04
EG		 6809 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6810 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6811 bnx2x__link_reset(bp);
a2fbb9ea
ET		 6812
6813 /* Reset the chip */
228241eb 6814 bnx2x_reset_chip(bp, reset_code);
a2fbb9ea
ET		 6815
6816 /* Report UNLOAD_DONE to MCP */
34f80b04 6817 if (!BP_NOMCP(bp))
a2fbb9ea 6818 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
9a035440 6819 bp->port.pmf = 0;
a2fbb9ea 6820
7a9b2557 6821 /* Free SKBs, SGEs, TPA pool and driver internals */
a2fbb9ea 6822 bnx2x_free_skbs(bp);
7a9b2557 6823 for_each_queue(bp, i)
3196a88a 6824 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
a2fbb9ea
ET		 6825 bnx2x_free_mem(bp);
6826
6827 bp->state = BNX2X_STATE_CLOSED;
228241eb 6828
a2fbb9ea
ET		 6829 netif_carrier_off(bp->dev);
6830
6831 return 0;
6832}
6833
34f80b04
EG		 6834static void bnx2x_reset_task(struct work_struct *work)
6835{
6836 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6837
6838#ifdef BNX2X_STOP_ON_ERROR
6839 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6840 " so reset not done to allow debug dump,\n"
6841 KERN_ERR " you will need to reboot when done\n");
6842 return;
6843#endif
6844
6845 rtnl_lock();
6846
6847 if (!netif_running(bp->dev))
6848 goto reset_task_exit;
6849
6850 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6851 bnx2x_nic_load(bp, LOAD_NORMAL);
6852
6853reset_task_exit:
6854 rtnl_unlock();
6855}
6856
a2fbb9ea
ET		 6857/* end of nic load/unload */
6858
6859/* ethtool_ops */
6860
6861/*
6862 * Init service functions
6863 */
6864
34f80b04
EG		 6865static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
6866{
6867 u32 val;
6868
6869 /* Check if there is any driver already loaded */
6870 val = REG_RD(bp, MISC_REG_UNPREPARED);
6871 if (val == 0x1) {
6872 /* Check if it is the UNDI driver
6873 * UNDI driver initializes CID offset for normal bell to 0x7
6874 */
4a37fb66 6875 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
34f80b04 6876 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
76b190c5
EG		 6877 if (val == 0x7)
6878 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6879 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6880
34f80b04
EG		 6881 if (val == 0x7) {
6882 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
da5a662a 6883 /* save our func */
34f80b04 6884 int func = BP_FUNC(bp);
da5a662a
VZ		 6885 u32 swap_en;
6886 u32 swap_val;
34f80b04
EG		 6887
6888 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6889
6890 /* try unload UNDI on port 0 */
6891 bp->func = 0;
da5a662a
VZ		 6892 bp->fw_seq =
6893 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6894 DRV_MSG_SEQ_NUMBER_MASK);
34f80b04 6895 reset_code = bnx2x_fw_command(bp, reset_code);
34f80b04
EG		 6896
6897 /* if UNDI is loaded on the other port */
6898 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6899
da5a662a
VZ		 6900 /* send "DONE" for previous unload */
6901 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6902
6903 /* unload UNDI on port 1 */
34f80b04 6904 bp->func = 1;
da5a662a
VZ		 6905 bp->fw_seq =
6906 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6907 DRV_MSG_SEQ_NUMBER_MASK);
6908 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6909
6910 bnx2x_fw_command(bp, reset_code);
34f80b04
EG		 6911 }
6912
da5a662a
VZ		 6913 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6914 HC_REG_CONFIG_0), 0x1000);
6915
6916 /* close input traffic and wait for it */
6917 /* Do not rcv packets to BRB */
6918 REG_WR(bp,
6919 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6920 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6921 /* Do not direct rcv packets that are not for MCP to
6922 * the BRB */
6923 REG_WR(bp,
6924 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6925 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6926 /* clear AEU */
6927 REG_WR(bp,
6928 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6929 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6930 msleep(10);
6931
6932 /* save NIG port swap info */
6933 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6934 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
34f80b04
EG		 6935 /* reset device */
6936 REG_WR(bp,
6937 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
da5a662a 6938 0xd3ffffff);
34f80b04
EG		 6939 REG_WR(bp,
6940 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6941 0x1403);
da5a662a
VZ		 6942 /* take the NIG out of reset and restore swap values */
6943 REG_WR(bp,
6944 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6945 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6946 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6947 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6948
6949 /* send unload done to the MCP */
6950 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6951
6952 /* restore our func and fw_seq */
6953 bp->func = func;
6954 bp->fw_seq =
6955 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6956 DRV_MSG_SEQ_NUMBER_MASK);
34f80b04
EG		 6957 }
6958 }
6959}
6960
6961static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6962{
6963 u32 val, val2, val3, val4, id;
72ce58c3 6964 u16 pmc;
34f80b04
EG		 6965
6966 /* Get the chip revision id and number. */
6967 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6968 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6969 id = ((val & 0xffff) << 16);
6970 val = REG_RD(bp, MISC_REG_CHIP_REV);
6971 id |= ((val & 0xf) << 12);
6972 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6973 id |= ((val & 0xff) << 4);
6974 REG_RD(bp, MISC_REG_BOND_ID);
6975 id |= (val & 0xf);
6976 bp->common.chip_id = id;
6977 bp->link_params.chip_id = bp->common.chip_id;
6978 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6979
6980 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6981 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6982 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6983 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6984 bp->common.flash_size, bp->common.flash_size);
6985
6986 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6987 bp->link_params.shmem_base = bp->common.shmem_base;
6988 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6989
6990 if (!bp->common.shmem_base ||
6991 (bp->common.shmem_base < 0xA0000) ||
6992 (bp->common.shmem_base >= 0xC0000)) {
6993 BNX2X_DEV_INFO("MCP not active\n");
6994 bp->flags |= NO_MCP_FLAG;
6995 return;
6996 }
6997
6998 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6999 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7000 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7001 BNX2X_ERR("BAD MCP validity signature\n");
7002
7003 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7004 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
7005
7006 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
7007 bp->common.hw_config, bp->common.board);
7008
7009 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7010 SHARED_HW_CFG_LED_MODE_MASK) >>
7011 SHARED_HW_CFG_LED_MODE_SHIFT);
7012
7013 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7014 bp->common.bc_ver = val;
7015 BNX2X_DEV_INFO("bc_ver %X\n", val);
7016 if (val < BNX2X_BC_VER) {
7017 /* for now only warn
7018 * later we might need to enforce this */
7019 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
7020 " please upgrade BC\n", BNX2X_BC_VER, val);
7021 }
72ce58c3
EG		 7022
7023 if (BP_E1HVN(bp) == 0) {
7024 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7025 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7026 } else {
7027 /* no WOL capability for E1HVN != 0 */
7028 bp->flags |= NO_WOL_FLAG;
7029 }
7030 BNX2X_DEV_INFO("%sWoL capable\n",
7031 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
34f80b04
EG		 7032
7033 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7034 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7035 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7036 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7037
7038 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7039 val, val2, val3, val4);
7040}
7041
7042static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7043 u32 switch_cfg)
a2fbb9ea 7044{
34f80b04 7045 int port = BP_PORT(bp);
a2fbb9ea
ET		 7046 u32 ext_phy_type;
7047
a2fbb9ea
ET		 7048 switch (switch_cfg) {
7049 case SWITCH_CFG_1G:
7050 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7051
c18487ee
YR		 7052 ext_phy_type =
7053 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
a2fbb9ea
ET		 7054 switch (ext_phy_type) {
7055 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7056 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7057 ext_phy_type);
7058
34f80b04
EG		 7059 bp->port.supported |= (SUPPORTED_10baseT_Half |
7060 SUPPORTED_10baseT_Full |
7061 SUPPORTED_100baseT_Half |
7062 SUPPORTED_100baseT_Full |
7063 SUPPORTED_1000baseT_Full |
7064 SUPPORTED_2500baseX_Full |
7065 SUPPORTED_TP |
7066 SUPPORTED_FIBRE |
7067 SUPPORTED_Autoneg |
7068 SUPPORTED_Pause |
7069 SUPPORTED_Asym_Pause);
a2fbb9ea
ET		 7070 break;
7071
7072 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7073 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7074 ext_phy_type);
7075
34f80b04
EG		 7076 bp->port.supported |= (SUPPORTED_10baseT_Half |
7077 SUPPORTED_10baseT_Full |
7078 SUPPORTED_100baseT_Half |
7079 SUPPORTED_100baseT_Full |
7080 SUPPORTED_1000baseT_Full |
7081 SUPPORTED_TP |
7082 SUPPORTED_FIBRE |
7083 SUPPORTED_Autoneg |
7084 SUPPORTED_Pause |
7085 SUPPORTED_Asym_Pause);
a2fbb9ea
ET		 7086 break;
7087
7088 default:
7089 BNX2X_ERR("NVRAM config error. "
7090 "BAD SerDes ext_phy_config 0x%x\n",
c18487ee 7091 bp->link_params.ext_phy_config);
a2fbb9ea
ET		 7092 return;
7093 }
7094
34f80b04
EG		 7095 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7096 port*0x10);
7097 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
a2fbb9ea
ET		 7098 break;
7099
7100 case SWITCH_CFG_10G:
7101 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7102
c18487ee
YR		 7103 ext_phy_type =
7104 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
a2fbb9ea
ET		 7105 switch (ext_phy_type) {
7106 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7107 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7108 ext_phy_type);
7109
34f80b04
EG		 7110 bp->port.supported |= (SUPPORTED_10baseT_Half |
7111 SUPPORTED_10baseT_Full |
7112 SUPPORTED_100baseT_Half |
7113 SUPPORTED_100baseT_Full |
7114 SUPPORTED_1000baseT_Full |
7115 SUPPORTED_2500baseX_Full |
7116 SUPPORTED_10000baseT_Full |
7117 SUPPORTED_TP |
7118 SUPPORTED_FIBRE |
7119 SUPPORTED_Autoneg |
7120 SUPPORTED_Pause |
7121 SUPPORTED_Asym_Pause);
a2fbb9ea
ET		 7122 break;
7123
7124 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
f1410647 7125 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
34f80b04 7126 ext_phy_type);
f1410647 7127
34f80b04
EG		 7128 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7129 SUPPORTED_FIBRE |
7130 SUPPORTED_Pause |
7131 SUPPORTED_Asym_Pause);
f1410647
ET		 7132 break;
7133
a2fbb9ea 7134 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
f1410647
ET		 7135 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7136 ext_phy_type);
7137
34f80b04
EG		 7138 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7139 SUPPORTED_1000baseT_Full |
7140 SUPPORTED_FIBRE |
7141 SUPPORTED_Pause |
7142 SUPPORTED_Asym_Pause);
f1410647
ET		 7143 break;
7144
7145 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7146 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
a2fbb9ea
ET		 7147 ext_phy_type);
7148
34f80b04
EG		 7149 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7150 SUPPORTED_1000baseT_Full |
7151 SUPPORTED_FIBRE |
7152 SUPPORTED_Autoneg |
7153 SUPPORTED_Pause |
7154 SUPPORTED_Asym_Pause);
f1410647
ET		 7155 break;
7156
c18487ee
YR		 7157 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7158 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7159 ext_phy_type);
7160
34f80b04
EG		 7161 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7162 SUPPORTED_2500baseX_Full |
7163 SUPPORTED_1000baseT_Full |
7164 SUPPORTED_FIBRE |
7165 SUPPORTED_Autoneg |
7166 SUPPORTED_Pause |
7167 SUPPORTED_Asym_Pause);
c18487ee
YR		 7168 break;
7169
f1410647
ET		 7170 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7171 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7172 ext_phy_type);
7173
34f80b04
EG		 7174 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7175 SUPPORTED_TP |
7176 SUPPORTED_Autoneg |
7177 SUPPORTED_Pause |
7178 SUPPORTED_Asym_Pause);
a2fbb9ea
ET		 7179 break;
7180
c18487ee
YR		 7181 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7182 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7183 bp->link_params.ext_phy_config);
7184 break;
7185
a2fbb9ea
ET		 7186 default:
7187 BNX2X_ERR("NVRAM config error. "
7188 "BAD XGXS ext_phy_config 0x%x\n",
c18487ee 7189 bp->link_params.ext_phy_config);
a2fbb9ea
ET		 7190 return;
7191 }
7192
34f80b04
EG		 7193 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7194 port*0x18);
7195 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
a2fbb9ea 7196
a2fbb9ea
ET		 7197 break;
7198
7199 default:
7200 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
34f80b04 7201 bp->port.link_config);
a2fbb9ea
ET		 7202 return;
7203 }
34f80b04 7204 bp->link_params.phy_addr = bp->port.phy_addr;
a2fbb9ea
ET		 7205
7206 /* mask what we support according to speed_cap_mask */
c18487ee
YR		 7207 if (!(bp->link_params.speed_cap_mask &
7208 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
34f80b04 7209 bp->port.supported &= ~SUPPORTED_10baseT_Half;
a2fbb9ea 7210
c18487ee
YR		 7211 if (!(bp->link_params.speed_cap_mask &
7212 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
34f80b04 7213 bp->port.supported &= ~SUPPORTED_10baseT_Full;
a2fbb9ea 7214
c18487ee
YR		 7215 if (!(bp->link_params.speed_cap_mask &
7216 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
34f80b04 7217 bp->port.supported &= ~SUPPORTED_100baseT_Half;
a2fbb9ea 7218
c18487ee
YR		 7219 if (!(bp->link_params.speed_cap_mask &
7220 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
34f80b04 7221 bp->port.supported &= ~SUPPORTED_100baseT_Full;
a2fbb9ea 7222
c18487ee
YR		 7223 if (!(bp->link_params.speed_cap_mask &
7224 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
34f80b04
EG		 7225 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7226 SUPPORTED_1000baseT_Full);
a2fbb9ea 7227
c18487ee
YR		 7228 if (!(bp->link_params.speed_cap_mask &
7229 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
34f80b04 7230 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
a2fbb9ea 7231
c18487ee
YR		 7232 if (!(bp->link_params.speed_cap_mask &
7233 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
34f80b04 7234 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
a2fbb9ea 7235
34f80b04 7236 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
a2fbb9ea
ET		 7237}
7238
34f80b04 7239static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
a2fbb9ea 7240{
c18487ee 7241 bp->link_params.req_duplex = DUPLEX_FULL;
a2fbb9ea 7242
34f80b04 7243 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
a2fbb9ea 7244 case PORT_FEATURE_LINK_SPEED_AUTO:
34f80b04 7245 if (bp->port.supported & SUPPORTED_Autoneg) {
c18487ee 7246 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
34f80b04 7247 bp->port.advertising = bp->port.supported;
a2fbb9ea 7248 } else {
c18487ee
YR		 7249 u32 ext_phy_type =
7250 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7251
7252 if ((ext_phy_type ==
7253 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7254 (ext_phy_type ==
7255 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
a2fbb9ea 7256 /* force 10G, no AN */
c18487ee 7257 bp->link_params.req_line_speed = SPEED_10000;
34f80b04 7258 bp->port.advertising =
a2fbb9ea
ET		 7259 (ADVERTISED_10000baseT_Full |
7260 ADVERTISED_FIBRE);
7261 break;
7262 }
7263 BNX2X_ERR("NVRAM config error. "
7264 "Invalid link_config 0x%x"
7265 " Autoneg not supported\n",
34f80b04 7266 bp->port.link_config);
a2fbb9ea
ET		 7267 return;
7268 }
7269 break;
7270
7271 case PORT_FEATURE_LINK_SPEED_10M_FULL:
34f80b04 7272 if (bp->port.supported & SUPPORTED_10baseT_Full) {
c18487ee 7273 bp->link_params.req_line_speed = SPEED_10;
34f80b04
EG		 7274 bp->port.advertising = (ADVERTISED_10baseT_Full |
7275 ADVERTISED_TP);
a2fbb9ea
ET		 7276 } else {
7277 BNX2X_ERR("NVRAM config error. "
7278 "Invalid link_config 0x%x"
7279 " speed_cap_mask 0x%x\n",
34f80b04 7280 bp->port.link_config,
c18487ee 7281 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7282 return;
7283 }
7284 break;
7285
7286 case PORT_FEATURE_LINK_SPEED_10M_HALF:
34f80b04 7287 if (bp->port.supported & SUPPORTED_10baseT_Half) {
c18487ee
YR		 7288 bp->link_params.req_line_speed = SPEED_10;
7289 bp->link_params.req_duplex = DUPLEX_HALF;
34f80b04
EG		 7290 bp->port.advertising = (ADVERTISED_10baseT_Half |
7291 ADVERTISED_TP);
a2fbb9ea
ET		 7292 } else {
7293 BNX2X_ERR("NVRAM config error. "
7294 "Invalid link_config 0x%x"
7295 " speed_cap_mask 0x%x\n",
34f80b04 7296 bp->port.link_config,
c18487ee 7297 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7298 return;
7299 }
7300 break;
7301
7302 case PORT_FEATURE_LINK_SPEED_100M_FULL:
34f80b04 7303 if (bp->port.supported & SUPPORTED_100baseT_Full) {
c18487ee 7304 bp->link_params.req_line_speed = SPEED_100;
34f80b04
EG		 7305 bp->port.advertising = (ADVERTISED_100baseT_Full |
7306 ADVERTISED_TP);
a2fbb9ea
ET		 7307 } else {
7308 BNX2X_ERR("NVRAM config error. "
7309 "Invalid link_config 0x%x"
7310 " speed_cap_mask 0x%x\n",
34f80b04 7311 bp->port.link_config,
c18487ee 7312 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7313 return;
7314 }
7315 break;
7316
7317 case PORT_FEATURE_LINK_SPEED_100M_HALF:
34f80b04 7318 if (bp->port.supported & SUPPORTED_100baseT_Half) {
c18487ee
YR		 7319 bp->link_params.req_line_speed = SPEED_100;
7320 bp->link_params.req_duplex = DUPLEX_HALF;
34f80b04
EG		 7321 bp->port.advertising = (ADVERTISED_100baseT_Half |
7322 ADVERTISED_TP);
a2fbb9ea
ET		 7323 } else {
7324 BNX2X_ERR("NVRAM config error. "
7325 "Invalid link_config 0x%x"
7326 " speed_cap_mask 0x%x\n",
34f80b04 7327 bp->port.link_config,
c18487ee 7328 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7329 return;
7330 }
7331 break;
7332
7333 case PORT_FEATURE_LINK_SPEED_1G:
34f80b04 7334 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
c18487ee 7335 bp->link_params.req_line_speed = SPEED_1000;
34f80b04
EG		 7336 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7337 ADVERTISED_TP);
a2fbb9ea
ET		 7338 } else {
7339 BNX2X_ERR("NVRAM config error. "
7340 "Invalid link_config 0x%x"
7341 " speed_cap_mask 0x%x\n",
34f80b04 7342 bp->port.link_config,
c18487ee 7343 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7344 return;
7345 }
7346 break;
7347
7348 case PORT_FEATURE_LINK_SPEED_2_5G:
34f80b04 7349 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
c18487ee 7350 bp->link_params.req_line_speed = SPEED_2500;
34f80b04
EG		 7351 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7352 ADVERTISED_TP);
a2fbb9ea
ET		 7353 } else {
7354 BNX2X_ERR("NVRAM config error. "
7355 "Invalid link_config 0x%x"
7356 " speed_cap_mask 0x%x\n",
34f80b04 7357 bp->port.link_config,
c18487ee 7358 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7359 return;
7360 }
7361 break;
7362
7363 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7364 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7365 case PORT_FEATURE_LINK_SPEED_10G_KR:
34f80b04 7366 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
c18487ee 7367 bp->link_params.req_line_speed = SPEED_10000;
34f80b04
EG		 7368 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7369 ADVERTISED_FIBRE);
a2fbb9ea
ET		 7370 } else {
7371 BNX2X_ERR("NVRAM config error. "
7372 "Invalid link_config 0x%x"
7373 " speed_cap_mask 0x%x\n",
34f80b04 7374 bp->port.link_config,
c18487ee 7375 bp->link_params.speed_cap_mask);
a2fbb9ea
ET		 7376 return;
7377 }
7378 break;
7379
7380 default:
7381 BNX2X_ERR("NVRAM config error. "
7382 "BAD link speed link_config 0x%x\n",
34f80b04 7383 bp->port.link_config);
c18487ee 7384 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
34f80b04 7385 bp->port.advertising = bp->port.supported;
a2fbb9ea
ET		 7386 break;
7387 }
a2fbb9ea 7388
34f80b04
EG		 7389 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7390 PORT_FEATURE_FLOW_CONTROL_MASK);
c0700f90 7391 if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
4ab84d45 7392 !(bp->port.supported & SUPPORTED_Autoneg))
c0700f90 7393 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
a2fbb9ea 7394
c18487ee 7395 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
f1410647 7396 " advertising 0x%x\n",
c18487ee
YR		 7397 bp->link_params.req_line_speed,
7398 bp->link_params.req_duplex,
34f80b04 7399 bp->link_params.req_flow_ctrl, bp->port.advertising);
a2fbb9ea
ET		 7400}
7401
34f80b04 7402static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
a2fbb9ea 7403{
34f80b04
EG		 7404 int port = BP_PORT(bp);
7405 u32 val, val2;
a2fbb9ea 7406
c18487ee 7407 bp->link_params.bp = bp;
34f80b04 7408 bp->link_params.port = port;
c18487ee 7409
c18487ee 7410 bp->link_params.serdes_config =
f1410647 7411 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
c18487ee 7412 bp->link_params.lane_config =
a2fbb9ea 7413 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
c18487ee 7414 bp->link_params.ext_phy_config =
a2fbb9ea
ET		 7415 SHMEM_RD(bp,
7416 dev_info.port_hw_config[port].external_phy_config);
c18487ee 7417 bp->link_params.speed_cap_mask =
a2fbb9ea
ET		 7418 SHMEM_RD(bp,
7419 dev_info.port_hw_config[port].speed_capability_mask);
7420
34f80b04 7421 bp->port.link_config =
a2fbb9ea
ET		 7422 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7423
34f80b04
EG		 7424 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7425 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7426 " link_config 0x%08x\n",
c18487ee
YR		 7427 bp->link_params.serdes_config,
7428 bp->link_params.lane_config,
7429 bp->link_params.ext_phy_config,
34f80b04 7430 bp->link_params.speed_cap_mask, bp->port.link_config);
a2fbb9ea 7431
34f80b04 7432 bp->link_params.switch_cfg = (bp->port.link_config &
c18487ee
YR		 7433 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7434 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
a2fbb9ea
ET		 7435
7436 bnx2x_link_settings_requested(bp);
7437
7438 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7439 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7440 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7441 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7442 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7443 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7444 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7445 bp->dev->dev_addr[5] = (u8)(val & 0xff);
c18487ee
YR		 7446 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7447 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
34f80b04
EG		 7448}
7449
7450static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7451{
7452 int func = BP_FUNC(bp);
7453 u32 val, val2;
7454 int rc = 0;
a2fbb9ea 7455
34f80b04 7456 bnx2x_get_common_hwinfo(bp);
a2fbb9ea 7457
34f80b04
EG		 7458 bp->e1hov = 0;
7459 bp->e1hmf = 0;
7460 if (CHIP_IS_E1H(bp)) {
7461 bp->mf_config =
7462 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
a2fbb9ea 7463
3196a88a
EG		 7464 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7465 FUNC_MF_CFG_E1HOV_TAG_MASK);
34f80b04 7466 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
a2fbb9ea 7467
34f80b04
EG		 7468 bp->e1hov = val;
7469 bp->e1hmf = 1;
7470 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7471 "(0x%04x)\n",
7472 func, bp->e1hov, bp->e1hov);
7473 } else {
7474 BNX2X_DEV_INFO("Single function mode\n");
7475 if (BP_E1HVN(bp)) {
7476 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7477 " aborting\n", func);
7478 rc = -EPERM;
7479 }
7480 }
7481 }
a2fbb9ea 7482
34f80b04
EG		 7483 if (!BP_NOMCP(bp)) {
7484 bnx2x_get_port_hwinfo(bp);
7485
7486 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7487 DRV_MSG_SEQ_NUMBER_MASK);
7488 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7489 }
7490
7491 if (IS_E1HMF(bp)) {
7492 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7493 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7494 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7495 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7496 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7497 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7498 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7499 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7500 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7501 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7502 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7503 ETH_ALEN);
7504 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7505 ETH_ALEN);
a2fbb9ea 7506 }
34f80b04
EG		 7507
7508 return rc;
a2fbb9ea
ET		 7509 }
7510
34f80b04
EG		 7511 if (BP_NOMCP(bp)) {
7512 /* only supposed to happen on emulation/FPGA */
33471629 7513 BNX2X_ERR("warning random MAC workaround active\n");
34f80b04
EG		 7514 random_ether_addr(bp->dev->dev_addr);
7515 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7516 }
a2fbb9ea 7517
34f80b04
EG		 7518 return rc;
7519}
7520
7521static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7522{
7523 int func = BP_FUNC(bp);
7524 int rc;
7525
da5a662a
VZ		 7526 /* Disable interrupt handling until HW is initialized */
7527 atomic_set(&bp->intr_sem, 1);
7528
34f80b04 7529 mutex_init(&bp->port.phy_mutex);
a2fbb9ea 7530
1cf167f2 7531 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
34f80b04
EG		 7532 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7533
7534 rc = bnx2x_get_hwinfo(bp);
7535
7536 /* need to reset chip if undi was active */
7537 if (!BP_NOMCP(bp))
7538 bnx2x_undi_unload(bp);
7539
7540 if (CHIP_REV_IS_FPGA(bp))
7541 printk(KERN_ERR PFX "FPGA detected\n");
7542
7543 if (BP_NOMCP(bp) && (func == 0))
7544 printk(KERN_ERR PFX
7545 "MCP disabled, must load devices in order!\n");
7546
7a9b2557
VZ		 7547 /* Set TPA flags */
7548 if (disable_tpa) {
7549 bp->flags &= ~TPA_ENABLE_FLAG;
7550 bp->dev->features &= ~NETIF_F_LRO;
7551 } else {
7552 bp->flags |= TPA_ENABLE_FLAG;
7553 bp->dev->features |= NETIF_F_LRO;
7554 }
7555
7556
34f80b04
EG		 7557 bp->tx_ring_size = MAX_TX_AVAIL;
7558 bp->rx_ring_size = MAX_RX_AVAIL;
7559
7560 bp->rx_csum = 1;
7561 bp->rx_offset = 0;
7562
7563 bp->tx_ticks = 50;
7564 bp->rx_ticks = 25;
7565
34f80b04
EG		 7566 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7567 bp->current_interval = (poll ? poll : bp->timer_interval);
7568
7569 init_timer(&bp->timer);
7570 bp->timer.expires = jiffies + bp->current_interval;
7571 bp->timer.data = (unsigned long) bp;
7572 bp->timer.function = bnx2x_timer;
7573
7574 return rc;
a2fbb9ea
ET		 7575}
7576
7577/*
7578 * ethtool service functions
7579 */
7580
7581/* All ethtool functions called with rtnl_lock */
7582
7583static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7584{
7585 struct bnx2x *bp = netdev_priv(dev);
7586
34f80b04
EG		 7587 cmd->supported = bp->port.supported;
7588 cmd->advertising = bp->port.advertising;
a2fbb9ea
ET		 7589
7590 if (netif_carrier_ok(dev)) {
c18487ee
YR		 7591 cmd->speed = bp->link_vars.line_speed;
7592 cmd->duplex = bp->link_vars.duplex;
a2fbb9ea 7593 } else {
c18487ee
YR		 7594 cmd->speed = bp->link_params.req_line_speed;
7595 cmd->duplex = bp->link_params.req_duplex;
a2fbb9ea 7596 }
34f80b04
EG		 7597 if (IS_E1HMF(bp)) {
7598 u16 vn_max_rate;
7599
7600 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7601 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7602 if (vn_max_rate < cmd->speed)
7603 cmd->speed = vn_max_rate;
7604 }
a2fbb9ea 7605
c18487ee
YR		 7606 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7607 u32 ext_phy_type =
7608 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
f1410647
ET		 7609
7610 switch (ext_phy_type) {
7611 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7612 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7613 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7614 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
c18487ee 7615 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
f1410647
ET		 7616 cmd->port = PORT_FIBRE;
7617 break;
7618
7619 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7620 cmd->port = PORT_TP;
7621 break;
7622
c18487ee
YR		 7623 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7624 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7625 bp->link_params.ext_phy_config);
7626 break;
7627
f1410647
ET		 7628 default:
7629 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
c18487ee
YR		 7630 bp->link_params.ext_phy_config);
7631 break;
f1410647
ET		 7632 }
7633 } else
a2fbb9ea 7634 cmd->port = PORT_TP;
a2fbb9ea 7635
34f80b04 7636 cmd->phy_address = bp->port.phy_addr;
a2fbb9ea
ET		 7637 cmd->transceiver = XCVR_INTERNAL;
7638
c18487ee 7639 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
a2fbb9ea 7640 cmd->autoneg = AUTONEG_ENABLE;
f1410647 7641 else
a2fbb9ea 7642 cmd->autoneg = AUTONEG_DISABLE;
a2fbb9ea
ET		 7643
7644 cmd->maxtxpkt = 0;
7645 cmd->maxrxpkt = 0;
7646
7647 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7648 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7649 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7650 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7651 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7652 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7653 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7654
7655 return 0;
7656}
7657
7658static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7659{
7660 struct bnx2x *bp = netdev_priv(dev);
7661 u32 advertising;
7662
34f80b04
EG		 7663 if (IS_E1HMF(bp))
7664 return 0;
7665
a2fbb9ea
ET		 7666 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7667 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7668 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7669 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7670 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7671 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7672 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7673
a2fbb9ea 7674 if (cmd->autoneg == AUTONEG_ENABLE) {
34f80b04
EG		 7675 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7676 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
a2fbb9ea 7677 return -EINVAL;
f1410647 7678 }
a2fbb9ea
ET		 7679
7680 /* advertise the requested speed and duplex if supported */
34f80b04 7681 cmd->advertising &= bp->port.supported;
a2fbb9ea 7682
c18487ee
YR		 7683 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7684 bp->link_params.req_duplex = DUPLEX_FULL;
34f80b04
EG		 7685 bp->port.advertising |= (ADVERTISED_Autoneg |
7686 cmd->advertising);
a2fbb9ea
ET		 7687
7688 } else { /* forced speed */
7689 /* advertise the requested speed and duplex if supported */
7690 switch (cmd->speed) {
7691 case SPEED_10:
7692 if (cmd->duplex == DUPLEX_FULL) {
34f80b04 7693 if (!(bp->port.supported &
f1410647
ET		 7694 SUPPORTED_10baseT_Full)) {
7695 DP(NETIF_MSG_LINK,
7696 "10M full not supported\n");
a2fbb9ea 7697 return -EINVAL;
f1410647 7698 }
a2fbb9ea
ET		 7699
7700 advertising = (ADVERTISED_10baseT_Full |
7701 ADVERTISED_TP);
7702 } else {
34f80b04 7703 if (!(bp->port.supported &
f1410647
ET		 7704 SUPPORTED_10baseT_Half)) {
7705 DP(NETIF_MSG_LINK,
7706 "10M half not supported\n");
a2fbb9ea 7707 return -EINVAL;
f1410647 7708 }
a2fbb9ea
ET		 7709
7710 advertising = (ADVERTISED_10baseT_Half |
7711 ADVERTISED_TP);
7712 }
7713 break;
7714
7715 case SPEED_100:
7716 if (cmd->duplex == DUPLEX_FULL) {
34f80b04 7717 if (!(bp->port.supported &
f1410647
ET		 7718 SUPPORTED_100baseT_Full)) {
7719 DP(NETIF_MSG_LINK,
7720 "100M full not supported\n");
a2fbb9ea 7721 return -EINVAL;
f1410647 7722 }
a2fbb9ea
ET		 7723
7724 advertising = (ADVERTISED_100baseT_Full |
7725 ADVERTISED_TP);
7726 } else {
34f80b04 7727 if (!(bp->port.supported &
f1410647
ET		 7728 SUPPORTED_100baseT_Half)) {
7729 DP(NETIF_MSG_LINK,
7730 "100M half not supported\n");
a2fbb9ea 7731 return -EINVAL;
f1410647 7732 }
a2fbb9ea
ET		 7733
7734 advertising = (ADVERTISED_100baseT_Half |
7735 ADVERTISED_TP);
7736 }
7737 break;
7738
7739 case SPEED_1000:
f1410647
ET		 7740 if (cmd->duplex != DUPLEX_FULL) {
7741 DP(NETIF_MSG_LINK, "1G half not supported\n");
a2fbb9ea 7742 return -EINVAL;
f1410647 7743 }
a2fbb9ea 7744
34f80b04 7745 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
f1410647 7746 DP(NETIF_MSG_LINK, "1G full not supported\n");
a2fbb9ea 7747 return -EINVAL;
f1410647 7748 }
a2fbb9ea
ET		 7749
7750 advertising = (ADVERTISED_1000baseT_Full |
7751 ADVERTISED_TP);
7752 break;
7753
7754 case SPEED_2500:
f1410647
ET		 7755 if (cmd->duplex != DUPLEX_FULL) {
7756 DP(NETIF_MSG_LINK,
7757 "2.5G half not supported\n");
a2fbb9ea 7758 return -EINVAL;
f1410647 7759 }
a2fbb9ea 7760
34f80b04 7761 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
f1410647
ET		 7762 DP(NETIF_MSG_LINK,
7763 "2.5G full not supported\n");
a2fbb9ea 7764 return -EINVAL;
f1410647 7765 }
a2fbb9ea 7766
f1410647 7767 advertising = (ADVERTISED_2500baseX_Full |
a2fbb9ea
ET		 7768 ADVERTISED_TP);
7769 break;
7770
7771 case SPEED_10000:
f1410647
ET		 7772 if (cmd->duplex != DUPLEX_FULL) {
7773 DP(NETIF_MSG_LINK, "10G half not supported\n");
a2fbb9ea 7774 return -EINVAL;
f1410647 7775 }
a2fbb9ea 7776
34f80b04 7777 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
f1410647 7778 DP(NETIF_MSG_LINK, "10G full not supported\n");
a2fbb9ea 7779 return -EINVAL;
f1410647 7780 }
a2fbb9ea
ET		 7781
7782 advertising = (ADVERTISED_10000baseT_Full |
7783 ADVERTISED_FIBRE);
7784 break;
7785
7786 default:
f1410647 7787 DP(NETIF_MSG_LINK, "Unsupported speed\n");
a2fbb9ea
ET		 7788 return -EINVAL;
7789 }
7790
c18487ee
YR		 7791 bp->link_params.req_line_speed = cmd->speed;
7792 bp->link_params.req_duplex = cmd->duplex;
34f80b04 7793 bp->port.advertising = advertising;
a2fbb9ea
ET		 7794 }
7795
c18487ee 7796 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
a2fbb9ea 7797 DP_LEVEL " req_duplex %d advertising 0x%x\n",
c18487ee 7798 bp->link_params.req_line_speed, bp->link_params.req_duplex,
34f80b04 7799 bp->port.advertising);
a2fbb9ea 7800
34f80b04 7801 if (netif_running(dev)) {
bb2a0f7a 7802 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
34f80b04
EG		 7803 bnx2x_link_set(bp);
7804 }
a2fbb9ea
ET		 7805
7806 return 0;
7807}
7808
c18487ee
YR		 7809#define PHY_FW_VER_LEN 10
7810
a2fbb9ea
ET		 7811static void bnx2x_get_drvinfo(struct net_device *dev,
7812 struct ethtool_drvinfo *info)
7813{
7814 struct bnx2x *bp = netdev_priv(dev);
f0e53a84 7815 u8 phy_fw_ver[PHY_FW_VER_LEN];
a2fbb9ea
ET		 7816
7817 strcpy(info->driver, DRV_MODULE_NAME);
7818 strcpy(info->version, DRV_MODULE_VERSION);
c18487ee
YR		 7819
7820 phy_fw_ver[0] = '\0';
34f80b04 7821 if (bp->port.pmf) {
4a37fb66 7822 bnx2x_acquire_phy_lock(bp);
34f80b04
EG		 7823 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7824 (bp->state != BNX2X_STATE_CLOSED),
7825 phy_fw_ver, PHY_FW_VER_LEN);
4a37fb66 7826 bnx2x_release_phy_lock(bp);
34f80b04 7827 }
c18487ee 7828
f0e53a84
EG		 7829 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7830 (bp->common.bc_ver & 0xff0000) >> 16,
7831 (bp->common.bc_ver & 0xff00) >> 8,
7832 (bp->common.bc_ver & 0xff),
7833 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
a2fbb9ea
ET		 7834 strcpy(info->bus_info, pci_name(bp->pdev));
7835 info->n_stats = BNX2X_NUM_STATS;
7836 info->testinfo_len = BNX2X_NUM_TESTS;
34f80b04 7837 info->eedump_len = bp->common.flash_size;
a2fbb9ea
ET		 7838 info->regdump_len = 0;
7839}
7840
7841static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7842{
7843 struct bnx2x *bp = netdev_priv(dev);
7844
7845 if (bp->flags & NO_WOL_FLAG) {
7846 wol->supported = 0;
7847 wol->wolopts = 0;
7848 } else {
7849 wol->supported = WAKE_MAGIC;
7850 if (bp->wol)
7851 wol->wolopts = WAKE_MAGIC;
7852 else
7853 wol->wolopts = 0;
7854 }
7855 memset(&wol->sopass, 0, sizeof(wol->sopass));
7856}
7857
7858static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7859{
7860 struct bnx2x *bp = netdev_priv(dev);
7861
7862 if (wol->wolopts & ~WAKE_MAGIC)
7863 return -EINVAL;
7864
7865 if (wol->wolopts & WAKE_MAGIC) {
7866 if (bp->flags & NO_WOL_FLAG)
7867 return -EINVAL;
7868
7869 bp->wol = 1;
34f80b04 7870 } else
a2fbb9ea 7871 bp->wol = 0;
34f80b04 7872
a2fbb9ea
ET		 7873 return 0;
7874}
7875
7876static u32 bnx2x_get_msglevel(struct net_device *dev)
7877{
7878 struct bnx2x *bp = netdev_priv(dev);
7879
7880 return bp->msglevel;
7881}
7882
7883static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7884{
7885 struct bnx2x *bp = netdev_priv(dev);
7886
7887 if (capable(CAP_NET_ADMIN))
7888 bp->msglevel = level;
7889}
7890
7891static int bnx2x_nway_reset(struct net_device *dev)
7892{
7893 struct bnx2x *bp = netdev_priv(dev);
7894
34f80b04
EG		 7895 if (!bp->port.pmf)
7896 return 0;
a2fbb9ea 7897
34f80b04 7898 if (netif_running(dev)) {
bb2a0f7a 7899 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
34f80b04
EG		 7900 bnx2x_link_set(bp);
7901 }
a2fbb9ea
ET		 7902
7903 return 0;
7904}
7905
7906static int bnx2x_get_eeprom_len(struct net_device *dev)
7907{
7908 struct bnx2x *bp = netdev_priv(dev);
7909
34f80b04 7910 return bp->common.flash_size;
a2fbb9ea
ET		 7911}
7912
7913static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7914{
34f80b04 7915 int port = BP_PORT(bp);
a2fbb9ea
ET		 7916 int count, i;
7917 u32 val = 0;
7918
7919 /* adjust timeout for emulation/FPGA */
7920 count = NVRAM_TIMEOUT_COUNT;
7921 if (CHIP_REV_IS_SLOW(bp))
7922 count *= 100;
7923
7924 /* request access to nvram interface */
7925 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7926 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7927
7928 for (i = 0; i < count*10; i++) {
7929 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7930 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7931 break;
7932
7933 udelay(5);
7934 }
7935
7936 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
34f80b04 7937 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
a2fbb9ea
ET		 7938 return -EBUSY;
7939 }
7940
7941 return 0;
7942}
7943
7944static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7945{
34f80b04 7946 int port = BP_PORT(bp);
a2fbb9ea
ET		 7947 int count, i;
7948 u32 val = 0;
7949
7950 /* adjust timeout for emulation/FPGA */
7951 count = NVRAM_TIMEOUT_COUNT;
7952 if (CHIP_REV_IS_SLOW(bp))
7953 count *= 100;
7954
7955 /* relinquish nvram interface */
7956 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7957 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7958
7959 for (i = 0; i < count*10; i++) {
7960 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7961 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7962 break;
7963
7964 udelay(5);
7965 }
7966
7967 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
34f80b04 7968 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
a2fbb9ea
ET		 7969 return -EBUSY;
7970 }
7971
7972 return 0;
7973}
7974
7975static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7976{
7977 u32 val;
7978
7979 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7980
7981 /* enable both bits, even on read */
7982 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7983 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7984 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7985}
7986
7987static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7988{
7989 u32 val;
7990
7991 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7992
7993 /* disable both bits, even after read */
7994 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7995 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7996 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7997}
7998
7999static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
8000 u32 cmd_flags)
8001{
f1410647 8002 int count, i, rc;
a2fbb9ea
ET		 8003 u32 val;
8004
8005 /* build the command word */
8006 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
8007
8008 /* need to clear DONE bit separately */
8009 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8010
8011 /* address of the NVRAM to read from */
8012 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8013 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8014
8015 /* issue a read command */
8016 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8017
8018 /* adjust timeout for emulation/FPGA */
8019 count = NVRAM_TIMEOUT_COUNT;
8020 if (CHIP_REV_IS_SLOW(bp))
8021 count *= 100;
8022
8023 /* wait for completion */
8024 *ret_val = 0;
8025 rc = -EBUSY;
8026 for (i = 0; i < count; i++) {
8027 udelay(5);
8028 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8029
8030 if (val & MCPR_NVM_COMMAND_DONE) {
8031 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
a2fbb9ea
ET		 8032 /* we read nvram data in cpu order
8033 * but ethtool sees it as an array of bytes
8034 * converting to big-endian will do the work */
8035 val = cpu_to_be32(val);
8036 *ret_val = val;
8037 rc = 0;
8038 break;
8039 }
8040 }
8041
8042 return rc;
8043}
8044
8045static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8046 int buf_size)
8047{
8048 int rc;
8049 u32 cmd_flags;
8050 u32 val;
8051
8052 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
34f80b04 8053 DP(BNX2X_MSG_NVM,
c14423fe 8054 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
a2fbb9ea
ET		 8055 offset, buf_size);
8056 return -EINVAL;
8057 }
8058
34f80b04
EG		 8059 if (offset + buf_size > bp->common.flash_size) {
8060 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
a2fbb9ea 8061 " buf_size (0x%x) > flash_size (0x%x)\n",
34f80b04 8062 offset, buf_size, bp->common.flash_size);
a2fbb9ea
ET		 8063 return -EINVAL;
8064 }
8065
8066 /* request access to nvram interface */
8067 rc = bnx2x_acquire_nvram_lock(bp);
8068 if (rc)
8069 return rc;
8070
8071 /* enable access to nvram interface */
8072 bnx2x_enable_nvram_access(bp);
8073
8074 /* read the first word(s) */
8075 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8076 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8077 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8078 memcpy(ret_buf, &val, 4);
8079
8080 /* advance to the next dword */
8081 offset += sizeof(u32);
8082 ret_buf += sizeof(u32);
8083 buf_size -= sizeof(u32);
8084 cmd_flags = 0;
8085 }
8086
8087 if (rc == 0) {
8088 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8089 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8090 memcpy(ret_buf, &val, 4);
8091 }
8092
8093 /* disable access to nvram interface */
8094 bnx2x_disable_nvram_access(bp);
8095 bnx2x_release_nvram_lock(bp);
8096
8097 return rc;
8098}
8099
8100static int bnx2x_get_eeprom(struct net_device *dev,
8101 struct ethtool_eeprom *eeprom, u8 *eebuf)
8102{
8103 struct bnx2x *bp = netdev_priv(dev);
8104 int rc;
8105
34f80b04 8106 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
a2fbb9ea
ET		 8107 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8108 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8109 eeprom->len, eeprom->len);
8110
8111 /* parameters already validated in ethtool_get_eeprom */
8112
8113 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8114
8115 return rc;
8116}
8117
8118static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8119 u32 cmd_flags)
8120{
f1410647 8121 int count, i, rc;
a2fbb9ea
ET		 8122
8123 /* build the command word */
8124 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8125
8126 /* need to clear DONE bit separately */
8127 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8128
8129 /* write the data */
8130 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8131
8132 /* address of the NVRAM to write to */
8133 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8134 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8135
8136 /* issue the write command */
8137 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8138
8139 /* adjust timeout for emulation/FPGA */
8140 count = NVRAM_TIMEOUT_COUNT;
8141 if (CHIP_REV_IS_SLOW(bp))
8142 count *= 100;
8143
8144 /* wait for completion */
8145 rc = -EBUSY;
8146 for (i = 0; i < count; i++) {
8147 udelay(5);
8148 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8149 if (val & MCPR_NVM_COMMAND_DONE) {
8150 rc = 0;
8151 break;
8152 }
8153 }
8154
8155 return rc;
8156}
8157
f1410647 8158#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
a2fbb9ea
ET		 8159
8160static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8161 int buf_size)
8162{
8163 int rc;
8164 u32 cmd_flags;
8165 u32 align_offset;
8166 u32 val;
8167
34f80b04
EG		 8168 if (offset + buf_size > bp->common.flash_size) {
8169 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
a2fbb9ea 8170 " buf_size (0x%x) > flash_size (0x%x)\n",
34f80b04 8171 offset, buf_size, bp->common.flash_size);
a2fbb9ea
ET		 8172 return -EINVAL;
8173 }
8174
8175 /* request access to nvram interface */
8176 rc = bnx2x_acquire_nvram_lock(bp);
8177 if (rc)
8178 return rc;
8179
8180 /* enable access to nvram interface */
8181 bnx2x_enable_nvram_access(bp);
8182
8183 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8184 align_offset = (offset & ~0x03);
8185 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8186
8187 if (rc == 0) {
8188 val &= ~(0xff << BYTE_OFFSET(offset));
8189 val |= (*data_buf << BYTE_OFFSET(offset));
8190
8191 /* nvram data is returned as an array of bytes
8192 * convert it back to cpu order */
8193 val = be32_to_cpu(val);
8194
a2fbb9ea
ET		 8195 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8196 cmd_flags);
8197 }
8198
8199 /* disable access to nvram interface */
8200 bnx2x_disable_nvram_access(bp);
8201 bnx2x_release_nvram_lock(bp);
8202
8203 return rc;
8204}
8205
8206static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8207 int buf_size)
8208{
8209 int rc;
8210 u32 cmd_flags;
8211 u32 val;
8212 u32 written_so_far;
8213
34f80b04 8214 if (buf_size == 1) /* ethtool */
a2fbb9ea 8215 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
a2fbb9ea
ET		 8216
8217 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
34f80b04 8218 DP(BNX2X_MSG_NVM,
c14423fe 8219 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
a2fbb9ea
ET		 8220 offset, buf_size);
8221 return -EINVAL;
8222 }
8223
34f80b04
EG		 8224 if (offset + buf_size > bp->common.flash_size) {
8225 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
a2fbb9ea 8226 " buf_size (0x%x) > flash_size (0x%x)\n",
34f80b04 8227 offset, buf_size, bp->common.flash_size);
a2fbb9ea
ET		 8228 return -EINVAL;
8229 }
8230
8231 /* request access to nvram interface */
8232 rc = bnx2x_acquire_nvram_lock(bp);
8233 if (rc)
8234 return rc;
8235
8236 /* enable access to nvram interface */
8237 bnx2x_enable_nvram_access(bp);
8238
8239 written_so_far = 0;
8240 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8241 while ((written_so_far < buf_size) && (rc == 0)) {
8242 if (written_so_far == (buf_size - sizeof(u32)))
8243 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8244 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8245 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8246 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8247 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8248
8249 memcpy(&val, data_buf, 4);
a2fbb9ea
ET		 8250
8251 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8252
8253 /* advance to the next dword */
8254 offset += sizeof(u32);
8255 data_buf += sizeof(u32);
8256 written_so_far += sizeof(u32);
8257 cmd_flags = 0;
8258 }
8259
8260 /* disable access to nvram interface */
8261 bnx2x_disable_nvram_access(bp);
8262 bnx2x_release_nvram_lock(bp);
8263
8264 return rc;
8265}
8266
8267static int bnx2x_set_eeprom(struct net_device *dev,
8268 struct ethtool_eeprom *eeprom, u8 *eebuf)
8269{
8270 struct bnx2x *bp = netdev_priv(dev);
8271 int rc;
8272
9f4c9583
EG		 8273 if (!netif_running(dev))
8274 return -EAGAIN;
8275
34f80b04 8276 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
a2fbb9ea
ET		 8277 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8278 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8279 eeprom->len, eeprom->len);
8280
8281 /* parameters already validated in ethtool_set_eeprom */
8282
c18487ee 8283 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
34f80b04
EG		 8284 if (eeprom->magic == 0x00504859)
8285 if (bp->port.pmf) {
8286
4a37fb66 8287 bnx2x_acquire_phy_lock(bp);
34f80b04
EG		 8288 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8289 bp->link_params.ext_phy_config,
8290 (bp->state != BNX2X_STATE_CLOSED),
8291 eebuf, eeprom->len);
bb2a0f7a
YG		 8292 if ((bp->state == BNX2X_STATE_OPEN) ||
8293 (bp->state == BNX2X_STATE_DISABLED)) {
34f80b04
EG		 8294 rc |= bnx2x_link_reset(&bp->link_params,
8295 &bp->link_vars);
8296 rc |= bnx2x_phy_init(&bp->link_params,
8297 &bp->link_vars);
bb2a0f7a 8298 }
4a37fb66 8299 bnx2x_release_phy_lock(bp);
34f80b04
EG		 8300
8301 } else /* Only the PMF can access the PHY */
8302 return -EINVAL;
8303 else
c18487ee 8304 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
a2fbb9ea
ET		 8305
8306 return rc;
8307}
8308
8309static int bnx2x_get_coalesce(struct net_device *dev,
8310 struct ethtool_coalesce *coal)
8311{
8312 struct bnx2x *bp = netdev_priv(dev);
8313
8314 memset(coal, 0, sizeof(struct ethtool_coalesce));
8315
8316 coal->rx_coalesce_usecs = bp->rx_ticks;
8317 coal->tx_coalesce_usecs = bp->tx_ticks;
a2fbb9ea
ET		 8318
8319 return 0;
8320}
8321
8322static int bnx2x_set_coalesce(struct net_device *dev,
8323 struct ethtool_coalesce *coal)
8324{
8325 struct bnx2x *bp = netdev_priv(dev);
8326
8327 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8328 if (bp->rx_ticks > 3000)
8329 bp->rx_ticks = 3000;
8330
8331 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8332 if (bp->tx_ticks > 0x3000)
8333 bp->tx_ticks = 0x3000;
8334
34f80b04 8335 if (netif_running(dev))
a2fbb9ea
ET		 8336 bnx2x_update_coalesce(bp);
8337
8338 return 0;
8339}
8340
8341static void bnx2x_get_ringparam(struct net_device *dev,
8342 struct ethtool_ringparam *ering)
8343{
8344 struct bnx2x *bp = netdev_priv(dev);
8345
8346 ering->rx_max_pending = MAX_RX_AVAIL;
8347 ering->rx_mini_max_pending = 0;
8348 ering->rx_jumbo_max_pending = 0;
8349
8350 ering->rx_pending = bp->rx_ring_size;
8351 ering->rx_mini_pending = 0;
8352 ering->rx_jumbo_pending = 0;
8353
8354 ering->tx_max_pending = MAX_TX_AVAIL;
8355 ering->tx_pending = bp->tx_ring_size;
8356}
8357
8358static int bnx2x_set_ringparam(struct net_device *dev,
8359 struct ethtool_ringparam *ering)
8360{
8361 struct bnx2x *bp = netdev_priv(dev);
34f80b04 8362 int rc = 0;
a2fbb9ea
ET		 8363
8364 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8365 (ering->tx_pending > MAX_TX_AVAIL) ||
8366 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8367 return -EINVAL;
8368
8369 bp->rx_ring_size = ering->rx_pending;
8370 bp->tx_ring_size = ering->tx_pending;
8371
34f80b04
EG		 8372 if (netif_running(dev)) {
8373 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8374 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
a2fbb9ea
ET		 8375 }
8376
34f80b04 8377 return rc;
a2fbb9ea
ET		 8378}
8379
8380static void bnx2x_get_pauseparam(struct net_device *dev,
8381 struct ethtool_pauseparam *epause)
8382{
8383 struct bnx2x *bp = netdev_priv(dev);
8384
c0700f90 8385 epause->autoneg = (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
c18487ee
YR		 8386 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8387
c0700f90
DM		 8388 epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
8389 BNX2X_FLOW_CTRL_RX);
8390 epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
8391 BNX2X_FLOW_CTRL_TX);
a2fbb9ea
ET		 8392
8393 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8394 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8395 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8396}
8397
8398static int bnx2x_set_pauseparam(struct net_device *dev,
8399 struct ethtool_pauseparam *epause)
8400{
8401 struct bnx2x *bp = netdev_priv(dev);
8402
34f80b04
EG		 8403 if (IS_E1HMF(bp))
8404 return 0;
8405
a2fbb9ea
ET		 8406 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8407 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8408 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8409
c0700f90 8410 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
a2fbb9ea 8411
f1410647 8412 if (epause->rx_pause)
c0700f90 8413 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX;
c18487ee 8414
f1410647 8415 if (epause->tx_pause)
c0700f90 8416 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX;
c18487ee 8417
c0700f90
DM		 8418 if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
8419 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
a2fbb9ea 8420
c18487ee 8421 if (epause->autoneg) {
34f80b04 8422 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
3196a88a 8423 DP(NETIF_MSG_LINK, "autoneg not supported\n");
c18487ee
YR		 8424 return -EINVAL;
8425 }
a2fbb9ea 8426
c18487ee 8427 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
c0700f90 8428 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
c18487ee 8429 }
a2fbb9ea 8430
c18487ee
YR		 8431 DP(NETIF_MSG_LINK,
8432 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
34f80b04
EG		 8433
8434 if (netif_running(dev)) {
bb2a0f7a 8435 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
34f80b04
EG		 8436 bnx2x_link_set(bp);
8437 }
a2fbb9ea
ET		 8438
8439 return 0;
8440}
8441
df0f2343
VZ		 8442static int bnx2x_set_flags(struct net_device *dev, u32 data)
8443{
8444 struct bnx2x *bp = netdev_priv(dev);
8445 int changed = 0;
8446 int rc = 0;
8447
8448 /* TPA requires Rx CSUM offloading */
8449 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8450 if (!(dev->features & NETIF_F_LRO)) {
8451 dev->features |= NETIF_F_LRO;
8452 bp->flags |= TPA_ENABLE_FLAG;
8453 changed = 1;
8454 }
8455
8456 } else if (dev->features & NETIF_F_LRO) {
8457 dev->features &= ~NETIF_F_LRO;
8458 bp->flags &= ~TPA_ENABLE_FLAG;
8459 changed = 1;
8460 }
8461
8462 if (changed && netif_running(dev)) {
8463 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8464 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8465 }
8466
8467 return rc;
8468}
8469
a2fbb9ea
ET		 8470static u32 bnx2x_get_rx_csum(struct net_device *dev)
8471{
8472 struct bnx2x *bp = netdev_priv(dev);
8473
8474 return bp->rx_csum;
8475}
8476
8477static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8478{
8479 struct bnx2x *bp = netdev_priv(dev);
df0f2343 8480 int rc = 0;
a2fbb9ea
ET		 8481
8482 bp->rx_csum = data;
df0f2343
VZ		 8483
8484 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8485 TPA'ed packets will be discarded due to wrong TCP CSUM */
8486 if (!data) {
8487 u32 flags = ethtool_op_get_flags(dev);
8488
8489 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8490 }
8491
8492 return rc;
a2fbb9ea
ET		 8493}
8494
8495static int bnx2x_set_tso(struct net_device *dev, u32 data)
8496{
755735eb 8497 if (data) {
a2fbb9ea 8498 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
755735eb
EG		 8499 dev->features |= NETIF_F_TSO6;
8500 } else {
a2fbb9ea 8501 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
755735eb
EG		 8502 dev->features &= ~NETIF_F_TSO6;
8503 }
8504
a2fbb9ea
ET		 8505 return 0;
8506}
8507
f3c87cdd 8508static const struct {
a2fbb9ea
ET		 8509 char string[ETH_GSTRING_LEN];
8510} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
f3c87cdd
YG		 8511 { "register_test (offline)" },
8512 { "memory_test (offline)" },
8513 { "loopback_test (offline)" },
8514 { "nvram_test (online)" },
8515 { "interrupt_test (online)" },
8516 { "link_test (online)" },
8517 { "idle check (online)" },
8518 { "MC errors (online)" }
a2fbb9ea
ET		 8519};
8520
8521static int bnx2x_self_test_count(struct net_device *dev)
8522{
8523 return BNX2X_NUM_TESTS;
8524}
8525
f3c87cdd
YG		 8526static int bnx2x_test_registers(struct bnx2x *bp)
8527{
8528 int idx, i, rc = -ENODEV;
8529 u32 wr_val = 0;
9dabc424 8530 int port = BP_PORT(bp);
f3c87cdd
YG		 8531 static const struct {
8532 u32 offset0;
8533 u32 offset1;
8534 u32 mask;
8535 } reg_tbl[] = {
8536/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8537 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8538 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8539 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8540 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8541 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8542 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8543 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8544 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8545 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8546/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8547 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8548 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8549 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8550 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8551 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8552 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8553 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8554 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8555 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8556/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8557 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8558 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8559 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8560 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8561 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8562 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8563 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8564 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8565 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8566/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8567 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8568 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8569 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8570 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8571 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8572 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8573 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8574
8575 { 0xffffffff, 0, 0x00000000 }
8576 };
8577
8578 if (!netif_running(bp->dev))
8579 return rc;
8580
8581 /* Repeat the test twice:
8582 First by writing 0x00000000, second by writing 0xffffffff */
8583 for (idx = 0; idx < 2; idx++) {
8584
8585 switch (idx) {
8586 case 0:
8587 wr_val = 0;
8588 break;
8589 case 1:
8590 wr_val = 0xffffffff;
8591 break;
8592 }
8593
8594 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8595 u32 offset, mask, save_val, val;
f3c87cdd
YG		 8596
8597 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8598 mask = reg_tbl[i].mask;
8599
8600 save_val = REG_RD(bp, offset);
8601
8602 REG_WR(bp, offset, wr_val);
8603 val = REG_RD(bp, offset);
8604
8605 /* Restore the original register's value */
8606 REG_WR(bp, offset, save_val);
8607
8608 /* verify that value is as expected value */
8609 if ((val & mask) != (wr_val & mask))
8610 goto test_reg_exit;
8611 }
8612 }
8613
8614 rc = 0;
8615
8616test_reg_exit:
8617 return rc;
8618}
8619
8620static int bnx2x_test_memory(struct bnx2x *bp)
8621{
8622 int i, j, rc = -ENODEV;
8623 u32 val;
8624 static const struct {
8625 u32 offset;
8626 int size;
8627 } mem_tbl[] = {
8628 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8629 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8630 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8631 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8632 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8633 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8634 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8635
8636 { 0xffffffff, 0 }
8637 };
8638 static const struct {
8639 char *name;
8640 u32 offset;
9dabc424
YG		 8641 u32 e1_mask;
8642 u32 e1h_mask;
f3c87cdd 8643 } prty_tbl[] = {
9dabc424
YG		 8644 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8645 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8646 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8647 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8648 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8649 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
8650
8651 { NULL, 0xffffffff, 0, 0 }
f3c87cdd
YG		 8652 };
8653
8654 if (!netif_running(bp->dev))
8655 return rc;
8656
8657 /* Go through all the memories */
8658 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8659 for (j = 0; j < mem_tbl[i].size; j++)
8660 REG_RD(bp, mem_tbl[i].offset + j*4);
8661
8662 /* Check the parity status */
8663 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8664 val = REG_RD(bp, prty_tbl[i].offset);
9dabc424
YG		 8665 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8666 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
f3c87cdd
YG		 8667 DP(NETIF_MSG_HW,
8668 "%s is 0x%x\n", prty_tbl[i].name, val);
8669 goto test_mem_exit;
8670 }
8671 }
8672
8673 rc = 0;
8674
8675test_mem_exit:
8676 return rc;
8677}
8678
f3c87cdd
YG		 8679static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8680{
8681 int cnt = 1000;
8682
8683 if (link_up)
8684 while (bnx2x_link_test(bp) && cnt--)
8685 msleep(10);
8686}
8687
8688static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8689{
8690 unsigned int pkt_size, num_pkts, i;
8691 struct sk_buff *skb;
8692 unsigned char *packet;
8693 struct bnx2x_fastpath *fp = &bp->fp[0];
8694 u16 tx_start_idx, tx_idx;
8695 u16 rx_start_idx, rx_idx;
8696 u16 pkt_prod;
8697 struct sw_tx_bd *tx_buf;
8698 struct eth_tx_bd *tx_bd;
8699 dma_addr_t mapping;
8700 union eth_rx_cqe *cqe;
8701 u8 cqe_fp_flags;
8702 struct sw_rx_bd *rx_buf;
8703 u16 len;
8704 int rc = -ENODEV;
8705
8706 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8707 bp->link_params.loopback_mode = LOOPBACK_BMAC;
4a37fb66 8708 bnx2x_acquire_phy_lock(bp);
f3c87cdd 8709 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
4a37fb66 8710 bnx2x_release_phy_lock(bp);
f3c87cdd
YG		 8711
8712 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8713 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
4a37fb66 8714 bnx2x_acquire_phy_lock(bp);
f3c87cdd 8715 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
4a37fb66 8716 bnx2x_release_phy_lock(bp);
f3c87cdd
YG		 8717 /* wait until link state is restored */
8718 bnx2x_wait_for_link(bp, link_up);
8719
8720 } else
8721 return -EINVAL;
8722
8723 pkt_size = 1514;
8724 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8725 if (!skb) {
8726 rc = -ENOMEM;
8727 goto test_loopback_exit;
8728 }
8729 packet = skb_put(skb, pkt_size);
8730 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8731 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8732 for (i = ETH_HLEN; i < pkt_size; i++)
8733 packet[i] = (unsigned char) (i & 0xff);
8734
8735 num_pkts = 0;
8736 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8737 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8738
8739 pkt_prod = fp->tx_pkt_prod++;
8740 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8741 tx_buf->first_bd = fp->tx_bd_prod;
8742 tx_buf->skb = skb;
8743
8744 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8745 mapping = pci_map_single(bp->pdev, skb->data,
8746 skb_headlen(skb), PCI_DMA_TODEVICE);
8747 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8748 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8749 tx_bd->nbd = cpu_to_le16(1);
8750 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8751 tx_bd->vlan = cpu_to_le16(pkt_prod);
8752 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8753 ETH_TX_BD_FLAGS_END_BD);
8754 tx_bd->general_data = ((UNICAST_ADDRESS <<
8755 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8756
58f4c4cf
EG		 8757 wmb();
8758
f3c87cdd
YG		 8759 fp->hw_tx_prods->bds_prod =
8760 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8761 mb(); /* FW restriction: must not reorder writing nbd and packets */
8762 fp->hw_tx_prods->packets_prod =
8763 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8764 DOORBELL(bp, FP_IDX(fp), 0);
8765
8766 mmiowb();
8767
8768 num_pkts++;
8769 fp->tx_bd_prod++;
8770 bp->dev->trans_start = jiffies;
8771
8772 udelay(100);
8773
8774 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8775 if (tx_idx != tx_start_idx + num_pkts)
8776 goto test_loopback_exit;
8777
8778 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8779 if (rx_idx != rx_start_idx + num_pkts)
8780 goto test_loopback_exit;
8781
8782 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8783 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8784 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8785 goto test_loopback_rx_exit;
8786
8787 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8788 if (len != pkt_size)
8789 goto test_loopback_rx_exit;
8790
8791 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8792 skb = rx_buf->skb;
8793 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8794 for (i = ETH_HLEN; i < pkt_size; i++)
8795 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8796 goto test_loopback_rx_exit;
8797
8798 rc = 0;
8799
8800test_loopback_rx_exit:
f3c87cdd
YG		 8801
8802 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8803 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8804 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8805 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8806
8807 /* Update producers */
8808 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8809 fp->rx_sge_prod);
f3c87cdd
YG		 8810
8811test_loopback_exit:
8812 bp->link_params.loopback_mode = LOOPBACK_NONE;
8813
8814 return rc;
8815}
8816
8817static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8818{
8819 int rc = 0;
8820
8821 if (!netif_running(bp->dev))
8822 return BNX2X_LOOPBACK_FAILED;
8823
f8ef6e44 8824 bnx2x_netif_stop(bp, 1);
f3c87cdd
YG		 8825
8826 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8827 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8828 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8829 }
8830
8831 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8832 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8833 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8834 }
8835
8836 bnx2x_netif_start(bp);
8837
8838 return rc;
8839}
8840
8841#define CRC32_RESIDUAL 0xdebb20e3
8842
8843static int bnx2x_test_nvram(struct bnx2x *bp)
8844{
8845 static const struct {
8846 int offset;
8847 int size;
8848 } nvram_tbl[] = {
8849 { 0, 0x14 }, /* bootstrap */
8850 { 0x14, 0xec }, /* dir */
8851 { 0x100, 0x350 }, /* manuf_info */
8852 { 0x450, 0xf0 }, /* feature_info */
8853 { 0x640, 0x64 }, /* upgrade_key_info */
8854 { 0x6a4, 0x64 },
8855 { 0x708, 0x70 }, /* manuf_key_info */
8856 { 0x778, 0x70 },
8857 { 0, 0 }
8858 };
8859 u32 buf[0x350 / 4];
8860 u8 *data = (u8 *)buf;
8861 int i, rc;
8862 u32 magic, csum;
8863
8864 rc = bnx2x_nvram_read(bp, 0, data, 4);
8865 if (rc) {
8866 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8867 goto test_nvram_exit;
8868 }
8869
8870 magic = be32_to_cpu(buf[0]);
8871 if (magic != 0x669955aa) {
8872 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8873 rc = -ENODEV;
8874 goto test_nvram_exit;
8875 }
8876
8877 for (i = 0; nvram_tbl[i].size; i++) {
8878
8879 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8880 nvram_tbl[i].size);
8881 if (rc) {
8882 DP(NETIF_MSG_PROBE,
8883 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8884 goto test_nvram_exit;
8885 }
8886
8887 csum = ether_crc_le(nvram_tbl[i].size, data);
8888 if (csum != CRC32_RESIDUAL) {
8889 DP(NETIF_MSG_PROBE,
8890 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8891 rc = -ENODEV;
8892 goto test_nvram_exit;
8893 }
8894 }
8895
8896test_nvram_exit:
8897 return rc;
8898}
8899
8900static int bnx2x_test_intr(struct bnx2x *bp)
8901{
8902 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8903 int i, rc;
8904
8905 if (!netif_running(bp->dev))
8906 return -ENODEV;
8907
8908 config->hdr.length_6b = 0;
8909 config->hdr.offset = 0;
8910 config->hdr.client_id = BP_CL_ID(bp);
8911 config->hdr.reserved1 = 0;
8912
8913 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8914 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8915 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8916 if (rc == 0) {
8917 bp->set_mac_pending++;
8918 for (i = 0; i < 10; i++) {
8919 if (!bp->set_mac_pending)
8920 break;
8921 msleep_interruptible(10);
8922 }
8923 if (i == 10)
8924 rc = -ENODEV;
8925 }
8926
8927 return rc;
8928}
8929
a2fbb9ea
ET		 8930static void bnx2x_self_test(struct net_device *dev,
8931 struct ethtool_test *etest, u64 *buf)
8932{
8933 struct bnx2x *bp = netdev_priv(dev);
a2fbb9ea
ET		 8934
8935 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8936
f3c87cdd 8937 if (!netif_running(dev))
a2fbb9ea 8938 return;
a2fbb9ea 8939
33471629 8940 /* offline tests are not supported in MF mode */
f3c87cdd
YG		 8941 if (IS_E1HMF(bp))
8942 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8943
8944 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8945 u8 link_up;
8946
8947 link_up = bp->link_vars.link_up;
8948 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8949 bnx2x_nic_load(bp, LOAD_DIAG);
8950 /* wait until link state is restored */
8951 bnx2x_wait_for_link(bp, link_up);
8952
8953 if (bnx2x_test_registers(bp) != 0) {
8954 buf[0] = 1;
8955 etest->flags |= ETH_TEST_FL_FAILED;
8956 }
8957 if (bnx2x_test_memory(bp) != 0) {
8958 buf[1] = 1;
8959 etest->flags |= ETH_TEST_FL_FAILED;
8960 }
8961 buf[2] = bnx2x_test_loopback(bp, link_up);
8962 if (buf[2] != 0)
8963 etest->flags |= ETH_TEST_FL_FAILED;
a2fbb9ea 8964
f3c87cdd
YG		 8965 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8966 bnx2x_nic_load(bp, LOAD_NORMAL);
8967 /* wait until link state is restored */
8968 bnx2x_wait_for_link(bp, link_up);
8969 }
8970 if (bnx2x_test_nvram(bp) != 0) {
8971 buf[3] = 1;
a2fbb9ea
ET		 8972 etest->flags |= ETH_TEST_FL_FAILED;
8973 }
f3c87cdd
YG		 8974 if (bnx2x_test_intr(bp) != 0) {
8975 buf[4] = 1;
8976 etest->flags |= ETH_TEST_FL_FAILED;
8977 }
8978 if (bp->port.pmf)
8979 if (bnx2x_link_test(bp) != 0) {
8980 buf[5] = 1;
8981 etest->flags |= ETH_TEST_FL_FAILED;
8982 }
8983 buf[7] = bnx2x_mc_assert(bp);
8984 if (buf[7] != 0)
8985 etest->flags |= ETH_TEST_FL_FAILED;
8986
8987#ifdef BNX2X_EXTRA_DEBUG
8988 bnx2x_panic_dump(bp);
8989#endif
a2fbb9ea
ET		 8990}
8991
bb2a0f7a
YG		 8992static const struct {
8993 long offset;
8994 int size;
8995 u32 flags;
66e855f3
YG		 8996#define STATS_FLAGS_PORT 1
8997#define STATS_FLAGS_FUNC 2
8998 u8 string[ETH_GSTRING_LEN];
bb2a0f7a 8999} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
66e855f3
YG		 9000/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
9001 8, STATS_FLAGS_FUNC, "rx_bytes" },
9002 { STATS_OFFSET32(error_bytes_received_hi),
9003 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
9004 { STATS_OFFSET32(total_bytes_transmitted_hi),
9005 8, STATS_FLAGS_FUNC, "tx_bytes" },
9006 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
9007 8, STATS_FLAGS_PORT, "tx_error_bytes" },
bb2a0f7a 9008 { STATS_OFFSET32(total_unicast_packets_received_hi),
66e855f3 9009 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
bb2a0f7a 9010 { STATS_OFFSET32(total_multicast_packets_received_hi),
66e855f3 9011 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
bb2a0f7a 9012 { STATS_OFFSET32(total_broadcast_packets_received_hi),
66e855f3 9013 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
bb2a0f7a 9014 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
66e855f3 9015 8, STATS_FLAGS_FUNC, "tx_packets" },
bb2a0f7a 9016 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
66e855f3 9017 8, STATS_FLAGS_PORT, "tx_mac_errors" },
bb2a0f7a 9018/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
66e855f3 9019 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
bb2a0f7a 9020 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
66e855f3 9021 8, STATS_FLAGS_PORT, "rx_crc_errors" },
bb2a0f7a 9022 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
66e855f3 9023 8, STATS_FLAGS_PORT, "rx_align_errors" },
bb2a0f7a 9024 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
66e855f3 9025 8, STATS_FLAGS_PORT, "tx_single_collisions" },
bb2a0f7a 9026 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
66e855f3 9027 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
bb2a0f7a 9028 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
66e855f3 9029 8, STATS_FLAGS_PORT, "tx_deferred" },
bb2a0f7a 9030 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
66e855f3 9031 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
bb2a0f7a 9032 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
66e855f3 9033 8, STATS_FLAGS_PORT, "tx_late_collisions" },
bb2a0f7a 9034 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
66e855f3 9035 8, STATS_FLAGS_PORT, "tx_total_collisions" },
bb2a0f7a 9036 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
66e855f3
YG		 9037 8, STATS_FLAGS_PORT, "rx_fragments" },
9038/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9039 8, STATS_FLAGS_PORT, "rx_jabbers" },
bb2a0f7a 9040 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
66e855f3 9041 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
bb2a0f7a 9042 { STATS_OFFSET32(jabber_packets_received),
66e855f3 9043 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
bb2a0f7a 9044 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
66e855f3 9045 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
bb2a0f7a 9046 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
66e855f3 9047 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
bb2a0f7a 9048 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
66e855f3 9049 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
bb2a0f7a 9050 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
66e855f3 9051 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
bb2a0f7a 9052 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
66e855f3 9053 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
bb2a0f7a 9054 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
66e855f3 9055 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
bb2a0f7a 9056 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
66e855f3 9057 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
bb2a0f7a 9058/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
66e855f3 9059 8, STATS_FLAGS_PORT, "rx_xon_frames" },
bb2a0f7a 9060 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
66e855f3
YG		 9061 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9062 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9063 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9064 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9065 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
bb2a0f7a 9066 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
66e855f3
YG		 9067 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9068 { STATS_OFFSET32(mac_filter_discard),
9069 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9070 { STATS_OFFSET32(no_buff_discard),
9071 4, STATS_FLAGS_FUNC, "rx_discards" },
9072 { STATS_OFFSET32(xxoverflow_discard),
9073 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9074 { STATS_OFFSET32(brb_drop_hi),
9075 8, STATS_FLAGS_PORT, "brb_discard" },
9076 { STATS_OFFSET32(brb_truncate_hi),
9077 8, STATS_FLAGS_PORT, "brb_truncate" },
9078/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9079 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9080 { STATS_OFFSET32(rx_skb_alloc_failed),
9081 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9082/* 42 */{ STATS_OFFSET32(hw_csum_err),
9083 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
a2fbb9ea
ET		 9084};
9085
66e855f3
YG		 9086#define IS_NOT_E1HMF_STAT(bp, i) \
9087 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9088
a2fbb9ea
ET		 9089static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9090{
bb2a0f7a
YG		 9091 struct bnx2x *bp = netdev_priv(dev);
9092 int i, j;
9093
a2fbb9ea
ET		 9094 switch (stringset) {
9095 case ETH_SS_STATS:
bb2a0f7a 9096 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
66e855f3 9097 if (IS_NOT_E1HMF_STAT(bp, i))
bb2a0f7a
YG		 9098 continue;
9099 strcpy(buf + j*ETH_GSTRING_LEN,
9100 bnx2x_stats_arr[i].string);
9101 j++;
9102 }
a2fbb9ea
ET		 9103 break;
9104
9105 case ETH_SS_TEST:
9106 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9107 break;
9108 }
9109}
9110
9111static int bnx2x_get_stats_count(struct net_device *dev)
9112{
bb2a0f7a
YG		 9113 struct bnx2x *bp = netdev_priv(dev);
9114 int i, num_stats = 0;
9115
9116 for (i = 0; i < BNX2X_NUM_STATS; i++) {
66e855f3 9117 if (IS_NOT_E1HMF_STAT(bp, i))
bb2a0f7a
YG		 9118 continue;
9119 num_stats++;
9120 }
9121 return num_stats;
a2fbb9ea
ET		 9122}
9123
9124static void bnx2x_get_ethtool_stats(struct net_device *dev,
9125 struct ethtool_stats *stats, u64 *buf)
9126{
9127 struct bnx2x *bp = netdev_priv(dev);
bb2a0f7a
YG		 9128 u32 *hw_stats = (u32 *)&bp->eth_stats;
9129 int i, j;
a2fbb9ea 9130
bb2a0f7a 9131 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
66e855f3 9132 if (IS_NOT_E1HMF_STAT(bp, i))
a2fbb9ea 9133 continue;
bb2a0f7a
YG		 9134
9135 if (bnx2x_stats_arr[i].size == 0) {
9136 /* skip this counter */
9137 buf[j] = 0;
9138 j++;
a2fbb9ea
ET		 9139 continue;
9140 }
bb2a0f7a 9141 if (bnx2x_stats_arr[i].size == 4) {
a2fbb9ea 9142 /* 4-byte counter */
bb2a0f7a
YG		 9143 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9144 j++;
a2fbb9ea
ET		 9145 continue;
9146 }
9147 /* 8-byte counter */
bb2a0f7a
YG		 9148 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9149 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9150 j++;
a2fbb9ea
ET		 9151 }
9152}
9153
9154static int bnx2x_phys_id(struct net_device *dev, u32 data)
9155{
9156 struct bnx2x *bp = netdev_priv(dev);
34f80b04 9157 int port = BP_PORT(bp);
a2fbb9ea
ET		 9158 int i;
9159
34f80b04
EG		 9160 if (!netif_running(dev))
9161 return 0;
9162
9163 if (!bp->port.pmf)
9164 return 0;
9165
a2fbb9ea
ET		 9166 if (data == 0)
9167 data = 2;
9168
9169 for (i = 0; i < (data * 2); i++) {
c18487ee 9170 if ((i % 2) == 0)
34f80b04 9171 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
c18487ee
YR		 9172 bp->link_params.hw_led_mode,
9173 bp->link_params.chip_id);
9174 else
34f80b04 9175 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
c18487ee
YR		 9176 bp->link_params.hw_led_mode,
9177 bp->link_params.chip_id);
9178
a2fbb9ea
ET		 9179 msleep_interruptible(500);
9180 if (signal_pending(current))
9181 break;
9182 }
9183
c18487ee 9184 if (bp->link_vars.link_up)
34f80b04 9185 bnx2x_set_led(bp, port, LED_MODE_OPER,
c18487ee
YR		 9186 bp->link_vars.line_speed,
9187 bp->link_params.hw_led_mode,
9188 bp->link_params.chip_id);
a2fbb9ea
ET		 9189
9190 return 0;
9191}
9192
9193static struct ethtool_ops bnx2x_ethtool_ops = {
7a9b2557
VZ		 9194 .get_settings = bnx2x_get_settings,
9195 .set_settings = bnx2x_set_settings,
9196 .get_drvinfo = bnx2x_get_drvinfo,
a2fbb9ea
ET		 9197 .get_wol = bnx2x_get_wol,
9198 .set_wol = bnx2x_set_wol,
7a9b2557
VZ		 9199 .get_msglevel = bnx2x_get_msglevel,
9200 .set_msglevel = bnx2x_set_msglevel,
9201 .nway_reset = bnx2x_nway_reset,
9202 .get_link = ethtool_op_get_link,
9203 .get_eeprom_len = bnx2x_get_eeprom_len,
9204 .get_eeprom = bnx2x_get_eeprom,
9205 .set_eeprom = bnx2x_set_eeprom,
9206 .get_coalesce = bnx2x_get_coalesce,
9207 .set_coalesce = bnx2x_set_coalesce,
9208 .get_ringparam = bnx2x_get_ringparam,
9209 .set_ringparam = bnx2x_set_ringparam,
9210 .get_pauseparam = bnx2x_get_pauseparam,
9211 .set_pauseparam = bnx2x_set_pauseparam,
9212 .get_rx_csum = bnx2x_get_rx_csum,
9213 .set_rx_csum = bnx2x_set_rx_csum,
9214 .get_tx_csum = ethtool_op_get_tx_csum,
755735eb 9215 .set_tx_csum = ethtool_op_set_tx_hw_csum,
7a9b2557
VZ		 9216 .set_flags = bnx2x_set_flags,
9217 .get_flags = ethtool_op_get_flags,
9218 .get_sg = ethtool_op_get_sg,
9219 .set_sg = ethtool_op_set_sg,
a2fbb9ea
ET		 9220 .get_tso = ethtool_op_get_tso,
9221 .set_tso = bnx2x_set_tso,
9222 .self_test_count = bnx2x_self_test_count,
7a9b2557
VZ		 9223 .self_test = bnx2x_self_test,
9224 .get_strings = bnx2x_get_strings,
a2fbb9ea
ET		 9225 .phys_id = bnx2x_phys_id,
9226 .get_stats_count = bnx2x_get_stats_count,
bb2a0f7a 9227 .get_ethtool_stats = bnx2x_get_ethtool_stats,
a2fbb9ea
ET		 9228};
9229
9230/* end of ethtool_ops */
9231
9232/****************************************************************************
9233* General service functions
9234****************************************************************************/
9235
9236static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9237{
9238 u16 pmcsr;
9239
9240 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9241
9242 switch (state) {
9243 case PCI_D0:
34f80b04 9244 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
a2fbb9ea
ET		 9245 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9246 PCI_PM_CTRL_PME_STATUS));
9247
9248 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
33471629 9249 /* delay required during transition out of D3hot */
a2fbb9ea 9250 msleep(20);
34f80b04 9251 break;
a2fbb9ea 9252
34f80b04
EG		 9253 case PCI_D3hot:
9254 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9255 pmcsr |= 3;
a2fbb9ea 9256
34f80b04
EG		 9257 if (bp->wol)
9258 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
a2fbb9ea 9259
34f80b04
EG		 9260 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9261 pmcsr);
a2fbb9ea 9262
34f80b04
EG		 9263 /* No more memory access after this point until
9264 * device is brought back to D0.
9265 */
9266 break;
9267
9268 default:
9269 return -EINVAL;
9270 }
9271 return 0;
a2fbb9ea
ET		 9272}
9273
34f80b04
EG		 9274/*
9275 * net_device service functions
9276 */
9277
a2fbb9ea
ET		 9278static int bnx2x_poll(struct napi_struct *napi, int budget)
9279{
9280 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9281 napi);
9282 struct bnx2x *bp = fp->bp;
9283 int work_done = 0;
2772f903 9284 u16 rx_cons_sb;
a2fbb9ea
ET		 9285
9286#ifdef BNX2X_STOP_ON_ERROR
9287 if (unlikely(bp->panic))
34f80b04 9288 goto poll_panic;
a2fbb9ea
ET		 9289#endif
9290
9291 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9292 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9293 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9294
9295 bnx2x_update_fpsb_idx(fp);
9296
da5a662a 9297 if (BNX2X_HAS_TX_WORK(fp))
a2fbb9ea
ET		 9298 bnx2x_tx_int(fp, budget);
9299
2772f903
EG		 9300 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9301 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9302 rx_cons_sb++;
da5a662a 9303 if (BNX2X_HAS_RX_WORK(fp))
a2fbb9ea
ET		 9304 work_done = bnx2x_rx_int(fp, budget);
9305
da5a662a 9306 rmb(); /* BNX2X_HAS_WORK() reads the status block */
2772f903
EG		 9307 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9308 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9309 rx_cons_sb++;
a2fbb9ea
ET		 9310
9311 /* must not complete if we consumed full budget */
da5a662a 9312 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
a2fbb9ea
ET		 9313
9314#ifdef BNX2X_STOP_ON_ERROR
34f80b04 9315poll_panic:
a2fbb9ea 9316#endif
908a7a16 9317 netif_rx_complete(napi);
a2fbb9ea 9318
34f80b04 9319 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
a2fbb9ea 9320 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
34f80b04 9321 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
a2fbb9ea
ET		 9322 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9323 }
a2fbb9ea
ET		 9324 return work_done;
9325}
9326
755735eb
EG		 9327
9328/* we split the first BD into headers and data BDs
33471629 9329 * to ease the pain of our fellow microcode engineers
755735eb
EG		 9330 * we use one mapping for both BDs
9331 * So far this has only been observed to happen
9332 * in Other Operating Systems(TM)
9333 */
9334static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9335 struct bnx2x_fastpath *fp,
9336 struct eth_tx_bd **tx_bd, u16 hlen,
9337 u16 bd_prod, int nbd)
9338{
9339 struct eth_tx_bd *h_tx_bd = *tx_bd;
9340 struct eth_tx_bd *d_tx_bd;
9341 dma_addr_t mapping;
9342 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9343
9344 /* first fix first BD */
9345 h_tx_bd->nbd = cpu_to_le16(nbd);
9346 h_tx_bd->nbytes = cpu_to_le16(hlen);
9347
9348 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9349 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9350 h_tx_bd->addr_lo, h_tx_bd->nbd);
9351
9352 /* now get a new data BD
9353 * (after the pbd) and fill it */
9354 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9355 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9356
9357 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9358 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9359
9360 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9361 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9362 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9363 d_tx_bd->vlan = 0;
9364 /* this marks the BD as one that has no individual mapping
9365 * the FW ignores this flag in a BD not marked start
9366 */
9367 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9368 DP(NETIF_MSG_TX_QUEUED,
9369 "TSO split data size is %d (%x:%x)\n",
9370 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9371
9372 /* update tx_bd for marking the last BD flag */
9373 *tx_bd = d_tx_bd;
9374
9375 return bd_prod;
9376}
9377
9378static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9379{
9380 if (fix > 0)
9381 csum = (u16) ~csum_fold(csum_sub(csum,
9382 csum_partial(t_header - fix, fix, 0)));
9383
9384 else if (fix < 0)
9385 csum = (u16) ~csum_fold(csum_add(csum,
9386 csum_partial(t_header, -fix, 0)));
9387
9388 return swab16(csum);
9389}
9390
9391static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9392{
9393 u32 rc;
9394
9395 if (skb->ip_summed != CHECKSUM_PARTIAL)
9396 rc = XMIT_PLAIN;
9397
9398 else {
9399 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9400 rc = XMIT_CSUM_V6;
9401 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9402 rc |= XMIT_CSUM_TCP;
9403
9404 } else {
9405 rc = XMIT_CSUM_V4;
9406 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9407 rc |= XMIT_CSUM_TCP;
9408 }
9409 }
9410
9411 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9412 rc |= XMIT_GSO_V4;
9413
9414 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9415 rc |= XMIT_GSO_V6;
9416
9417 return rc;
9418}
9419
9420/* check if packet requires linearization (packet is too fragmented) */
9421static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9422 u32 xmit_type)
9423{
9424 int to_copy = 0;
9425 int hlen = 0;
9426 int first_bd_sz = 0;
9427
9428 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9429 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9430
9431 if (xmit_type & XMIT_GSO) {
9432 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9433 /* Check if LSO packet needs to be copied:
9434 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9435 int wnd_size = MAX_FETCH_BD - 3;
33471629 9436 /* Number of windows to check */
755735eb
EG		 9437 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9438 int wnd_idx = 0;
9439 int frag_idx = 0;
9440 u32 wnd_sum = 0;
9441
9442 /* Headers length */
9443 hlen = (int)(skb_transport_header(skb) - skb->data) +
9444 tcp_hdrlen(skb);
9445
9446 /* Amount of data (w/o headers) on linear part of SKB*/
9447 first_bd_sz = skb_headlen(skb) - hlen;
9448
9449 wnd_sum = first_bd_sz;
9450
9451 /* Calculate the first sum - it's special */
9452 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9453 wnd_sum +=
9454 skb_shinfo(skb)->frags[frag_idx].size;
9455
9456 /* If there was data on linear skb data - check it */
9457 if (first_bd_sz > 0) {
9458 if (unlikely(wnd_sum < lso_mss)) {
9459 to_copy = 1;
9460 goto exit_lbl;
9461 }
9462
9463 wnd_sum -= first_bd_sz;
9464 }
9465
9466 /* Others are easier: run through the frag list and
9467 check all windows */
9468 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9469 wnd_sum +=
9470 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9471
9472 if (unlikely(wnd_sum < lso_mss)) {
9473 to_copy = 1;
9474 break;
9475 }
9476 wnd_sum -=
9477 skb_shinfo(skb)->frags[wnd_idx].size;
9478 }
9479
9480 } else {
9481 /* in non-LSO too fragmented packet should always
9482 be linearized */
9483 to_copy = 1;
9484 }
9485 }
9486
9487exit_lbl:
9488 if (unlikely(to_copy))
9489 DP(NETIF_MSG_TX_QUEUED,
9490 "Linearization IS REQUIRED for %s packet. "
9491 "num_frags %d hlen %d first_bd_sz %d\n",
9492 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9493 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9494
9495 return to_copy;
9496}
9497
9498/* called with netif_tx_lock
a2fbb9ea 9499 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
755735eb 9500 * netif_wake_queue()
a2fbb9ea
ET		 9501 */
9502static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9503{
9504 struct bnx2x *bp = netdev_priv(dev);
9505 struct bnx2x_fastpath *fp;
9506 struct sw_tx_bd *tx_buf;
9507 struct eth_tx_bd *tx_bd;
9508 struct eth_tx_parse_bd *pbd = NULL;
9509 u16 pkt_prod, bd_prod;
755735eb 9510 int nbd, fp_index;
a2fbb9ea 9511 dma_addr_t mapping;
755735eb
EG		 9512 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9513 int vlan_off = (bp->e1hov ? 4 : 0);
9514 int i;
9515 u8 hlen = 0;
a2fbb9ea
ET		 9516
9517#ifdef BNX2X_STOP_ON_ERROR
9518 if (unlikely(bp->panic))
9519 return NETDEV_TX_BUSY;
9520#endif
9521
755735eb 9522 fp_index = (smp_processor_id() % bp->num_queues);
a2fbb9ea 9523 fp = &bp->fp[fp_index];
755735eb 9524
231fd58a 9525 if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
bb2a0f7a 9526 bp->eth_stats.driver_xoff++,
a2fbb9ea
ET		 9527 netif_stop_queue(dev);
9528 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9529 return NETDEV_TX_BUSY;
9530 }
9531
755735eb
EG		 9532 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9533 " gso type %x xmit_type %x\n",
9534 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9535 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9536
33471629 9537 /* First, check if we need to linearize the skb
755735eb
EG		 9538 (due to FW restrictions) */
9539 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9540 /* Statistics of linearization */
9541 bp->lin_cnt++;
9542 if (skb_linearize(skb) != 0) {
9543 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9544 "silently dropping this SKB\n");
9545 dev_kfree_skb_any(skb);
da5a662a 9546 return NETDEV_TX_OK;
755735eb
EG		 9547 }
9548 }
9549
a2fbb9ea 9550 /*
755735eb 9551 Please read carefully. First we use one BD which we mark as start,
a2fbb9ea 9552 then for TSO or xsum we have a parsing info BD,
755735eb 9553 and only then we have the rest of the TSO BDs.
a2fbb9ea
ET		 9554 (don't forget to mark the last one as last,
9555 and to unmap only AFTER you write to the BD ...)
755735eb 9556 And above all, all pdb sizes are in words - NOT DWORDS!
a2fbb9ea
ET		 9557 */
9558
9559 pkt_prod = fp->tx_pkt_prod++;
755735eb 9560 bd_prod = TX_BD(fp->tx_bd_prod);
a2fbb9ea 9561
755735eb 9562 /* get a tx_buf and first BD */
a2fbb9ea
ET		 9563 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9564 tx_bd = &fp->tx_desc_ring[bd_prod];
9565
9566 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9567 tx_bd->general_data = (UNICAST_ADDRESS <<
9568 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
3196a88a
EG		 9569 /* header nbd */
9570 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
a2fbb9ea 9571
755735eb
EG		 9572 /* remember the first BD of the packet */
9573 tx_buf->first_bd = fp->tx_bd_prod;
9574 tx_buf->skb = skb;
a2fbb9ea
ET		 9575
9576 DP(NETIF_MSG_TX_QUEUED,
9577 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9578 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9579
0c6671b0
EG		 9580#ifdef BCM_VLAN
9581 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb) &&
9582 (bp->flags & HW_VLAN_TX_FLAG)) {
755735eb
EG		 9583 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9584 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
9585 vlan_off += 4;
9586 } else
0c6671b0 9587#endif
755735eb 9588 tx_bd->vlan = cpu_to_le16(pkt_prod);
a2fbb9ea 9589
755735eb 9590 if (xmit_type) {
755735eb 9591 /* turn on parsing and get a BD */
a2fbb9ea
ET		 9592 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9593 pbd = (void *)&fp->tx_desc_ring[bd_prod];
755735eb
EG		 9594
9595 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9596 }
9597
9598 if (xmit_type & XMIT_CSUM) {
9599 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
a2fbb9ea
ET		 9600
9601 /* for now NS flag is not used in Linux */
755735eb 9602 pbd->global_data = (hlen |
96fc1784 9603 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
a2fbb9ea 9604 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
a2fbb9ea 9605
755735eb
EG		 9606 pbd->ip_hlen = (skb_transport_header(skb) -
9607 skb_network_header(skb)) / 2;
9608
9609 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
a2fbb9ea 9610
755735eb
EG		 9611 pbd->total_hlen = cpu_to_le16(hlen);
9612 hlen = hlen*2 - vlan_off;
a2fbb9ea 9613
755735eb
EG		 9614 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9615
9616 if (xmit_type & XMIT_CSUM_V4)
a2fbb9ea 9617 tx_bd->bd_flags.as_bitfield |=
755735eb
EG		 9618 ETH_TX_BD_FLAGS_IP_CSUM;
9619 else
9620 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9621
9622 if (xmit_type & XMIT_CSUM_TCP) {
9623 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9624
9625 } else {
9626 s8 fix = SKB_CS_OFF(skb); /* signed! */
9627
a2fbb9ea 9628 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
755735eb 9629 pbd->cs_offset = fix / 2;
a2fbb9ea 9630
755735eb
EG		 9631 DP(NETIF_MSG_TX_QUEUED,
9632 "hlen %d offset %d fix %d csum before fix %x\n",
9633 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9634 SKB_CS(skb));
9635
9636 /* HW bug: fixup the CSUM */
9637 pbd->tcp_pseudo_csum =
9638 bnx2x_csum_fix(skb_transport_header(skb),
9639 SKB_CS(skb), fix);
9640
9641 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9642 pbd->tcp_pseudo_csum);
9643 }
a2fbb9ea
ET		 9644 }
9645
9646 mapping = pci_map_single(bp->pdev, skb->data,
755735eb 9647 skb_headlen(skb), PCI_DMA_TODEVICE);
a2fbb9ea
ET		 9648
9649 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9650 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
6378c025 9651 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
a2fbb9ea
ET		 9652 tx_bd->nbd = cpu_to_le16(nbd);
9653 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9654
9655 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
755735eb
EG		 9656 " nbytes %d flags %x vlan %x\n",
9657 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9658 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9659 le16_to_cpu(tx_bd->vlan));
a2fbb9ea 9660
755735eb 9661 if (xmit_type & XMIT_GSO) {
a2fbb9ea
ET		 9662
9663 DP(NETIF_MSG_TX_QUEUED,
9664 "TSO packet len %d hlen %d total len %d tso size %d\n",
9665 skb->len, hlen, skb_headlen(skb),
9666 skb_shinfo(skb)->gso_size);
9667
9668 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9669
755735eb
EG		 9670 if (unlikely(skb_headlen(skb) > hlen))
9671 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9672 bd_prod, ++nbd);
a2fbb9ea
ET		 9673
9674 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9675 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
755735eb
EG		 9676 pbd->tcp_flags = pbd_tcp_flags(skb);
9677
9678 if (xmit_type & XMIT_GSO_V4) {
9679 pbd->ip_id = swab16(ip_hdr(skb)->id);
9680 pbd->tcp_pseudo_csum =
a2fbb9ea
ET		 9681 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9682 ip_hdr(skb)->daddr,
9683 0, IPPROTO_TCP, 0));
755735eb
EG		 9684
9685 } else
9686 pbd->tcp_pseudo_csum =
9687 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9688 &ipv6_hdr(skb)->daddr,
9689 0, IPPROTO_TCP, 0));
9690
a2fbb9ea
ET		 9691 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9692 }
9693
755735eb
EG		 9694 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9695 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
a2fbb9ea 9696
755735eb
EG		 9697 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9698 tx_bd = &fp->tx_desc_ring[bd_prod];
a2fbb9ea 9699
755735eb
EG		 9700 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9701 frag->size, PCI_DMA_TODEVICE);
a2fbb9ea 9702
755735eb
EG		 9703 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9704 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9705 tx_bd->nbytes = cpu_to_le16(frag->size);
9706 tx_bd->vlan = cpu_to_le16(pkt_prod);
9707 tx_bd->bd_flags.as_bitfield = 0;
a2fbb9ea 9708
755735eb
EG		 9709 DP(NETIF_MSG_TX_QUEUED,
9710 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9711 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9712 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
a2fbb9ea
ET		 9713 }
9714
755735eb 9715 /* now at last mark the BD as the last BD */
a2fbb9ea
ET		 9716 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9717
9718 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9719 tx_bd, tx_bd->bd_flags.as_bitfield);
9720
a2fbb9ea
ET		 9721 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9722
755735eb 9723 /* now send a tx doorbell, counting the next BD
a2fbb9ea
ET		 9724 * if the packet contains or ends with it
9725 */
9726 if (TX_BD_POFF(bd_prod) < nbd)
9727 nbd++;
9728
9729 if (pbd)
9730 DP(NETIF_MSG_TX_QUEUED,
9731 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9732 " tcp_flags %x xsum %x seq %u hlen %u\n",
9733 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9734 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
755735eb 9735 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
a2fbb9ea 9736
755735eb 9737 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
a2fbb9ea 9738
58f4c4cf
EG		 9739 /*
9740 * Make sure that the BD data is updated before updating the producer
9741 * since FW might read the BD right after the producer is updated.
9742 * This is only applicable for weak-ordered memory model archs such
9743 * as IA-64. The following barrier is also mandatory since FW will
9744 * assumes packets must have BDs.
9745 */
9746 wmb();
9747
96fc1784
ET		 9748 fp->hw_tx_prods->bds_prod =
9749 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
a2fbb9ea 9750 mb(); /* FW restriction: must not reorder writing nbd and packets */
96fc1784
ET		 9751 fp->hw_tx_prods->packets_prod =
9752 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
755735eb 9753 DOORBELL(bp, FP_IDX(fp), 0);
a2fbb9ea
ET		 9754
9755 mmiowb();
9756
755735eb 9757 fp->tx_bd_prod += nbd;
a2fbb9ea
ET		 9758 dev->trans_start = jiffies;
9759
9760 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
58f4c4cf
EG		 9761 /* We want bnx2x_tx_int to "see" the updated tx_bd_prod
9762 if we put Tx into XOFF state. */
9763 smp_mb();
a2fbb9ea 9764 netif_stop_queue(dev);
bb2a0f7a 9765 bp->eth_stats.driver_xoff++;
a2fbb9ea
ET		 9766 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9767 netif_wake_queue(dev);
9768 }
9769 fp->tx_pkt++;
9770
9771 return NETDEV_TX_OK;
9772}
9773
bb2a0f7a 9774/* called with rtnl_lock */
a2fbb9ea
ET		 9775static int bnx2x_open(struct net_device *dev)
9776{
9777 struct bnx2x *bp = netdev_priv(dev);
9778
9779 bnx2x_set_power_state(bp, PCI_D0);
9780
bb2a0f7a 9781 return bnx2x_nic_load(bp, LOAD_OPEN);
a2fbb9ea
ET		 9782}
9783
bb2a0f7a 9784/* called with rtnl_lock */
a2fbb9ea
ET		 9785static int bnx2x_close(struct net_device *dev)
9786{
a2fbb9ea
ET		 9787 struct bnx2x *bp = netdev_priv(dev);
9788
9789 /* Unload the driver, release IRQs */
bb2a0f7a
YG		 9790 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9791 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9792 if (!CHIP_REV_IS_SLOW(bp))
9793 bnx2x_set_power_state(bp, PCI_D3hot);
a2fbb9ea
ET		 9794
9795 return 0;
9796}
9797
34f80b04
EG		 9798/* called with netif_tx_lock from set_multicast */
9799static void bnx2x_set_rx_mode(struct net_device *dev)
9800{
9801 struct bnx2x *bp = netdev_priv(dev);
9802 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9803 int port = BP_PORT(bp);
9804
9805 if (bp->state != BNX2X_STATE_OPEN) {
9806 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9807 return;
9808 }
9809
9810 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9811
9812 if (dev->flags & IFF_PROMISC)
9813 rx_mode = BNX2X_RX_MODE_PROMISC;
9814
9815 else if ((dev->flags & IFF_ALLMULTI) ||
9816 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9817 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9818
9819 else { /* some multicasts */
9820 if (CHIP_IS_E1(bp)) {
9821 int i, old, offset;
9822 struct dev_mc_list *mclist;
9823 struct mac_configuration_cmd *config =
9824 bnx2x_sp(bp, mcast_config);
9825
9826 for (i = 0, mclist = dev->mc_list;
9827 mclist && (i < dev->mc_count);
9828 i++, mclist = mclist->next) {
9829
9830 config->config_table[i].
9831 cam_entry.msb_mac_addr =
9832 swab16(*(u16 *)&mclist->dmi_addr[0]);
9833 config->config_table[i].
9834 cam_entry.middle_mac_addr =
9835 swab16(*(u16 *)&mclist->dmi_addr[2]);
9836 config->config_table[i].
9837 cam_entry.lsb_mac_addr =
9838 swab16(*(u16 *)&mclist->dmi_addr[4]);
9839 config->config_table[i].cam_entry.flags =
9840 cpu_to_le16(port);
9841 config->config_table[i].
9842 target_table_entry.flags = 0;
9843 config->config_table[i].
9844 target_table_entry.client_id = 0;
9845 config->config_table[i].
9846 target_table_entry.vlan_id = 0;
9847
9848 DP(NETIF_MSG_IFUP,
9849 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9850 config->config_table[i].
9851 cam_entry.msb_mac_addr,
9852 config->config_table[i].
9853 cam_entry.middle_mac_addr,
9854 config->config_table[i].
9855 cam_entry.lsb_mac_addr);
9856 }
9857 old = config->hdr.length_6b;
9858 if (old > i) {
9859 for (; i < old; i++) {
9860 if (CAM_IS_INVALID(config->
9861 config_table[i])) {
9862 i--; /* already invalidated */
9863 break;
9864 }
9865 /* invalidate */
9866 CAM_INVALIDATE(config->
9867 config_table[i]);
9868 }
9869 }
9870
9871 if (CHIP_REV_IS_SLOW(bp))
9872 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9873 else
9874 offset = BNX2X_MAX_MULTICAST*(1 + port);
9875
9876 config->hdr.length_6b = i;
9877 config->hdr.offset = offset;
9878 config->hdr.client_id = BP_CL_ID(bp);
9879 config->hdr.reserved1 = 0;
9880
9881 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9882 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9883 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9884 0);
9885 } else { /* E1H */
9886 /* Accept one or more multicasts */
9887 struct dev_mc_list *mclist;
9888 u32 mc_filter[MC_HASH_SIZE];
9889 u32 crc, bit, regidx;
9890 int i;
9891
9892 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9893
9894 for (i = 0, mclist = dev->mc_list;
9895 mclist && (i < dev->mc_count);
9896 i++, mclist = mclist->next) {
9897
7c510e4b
JB		 9898 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
9899 mclist->dmi_addr);
34f80b04
EG		 9900
9901 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9902 bit = (crc >> 24) & 0xff;
9903 regidx = bit >> 5;
9904 bit &= 0x1f;
9905 mc_filter[regidx] |= (1 << bit);
9906 }
9907
9908 for (i = 0; i < MC_HASH_SIZE; i++)
9909 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9910 mc_filter[i]);
9911 }
9912 }
9913
9914 bp->rx_mode = rx_mode;
9915 bnx2x_set_storm_rx_mode(bp);
9916}
9917
9918/* called with rtnl_lock */
a2fbb9ea
ET		 9919static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9920{
9921 struct sockaddr *addr = p;
9922 struct bnx2x *bp = netdev_priv(dev);
9923
34f80b04 9924 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
a2fbb9ea
ET		 9925 return -EINVAL;
9926
9927 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
34f80b04
EG		 9928 if (netif_running(dev)) {
9929 if (CHIP_IS_E1(bp))
3101c2bc 9930 bnx2x_set_mac_addr_e1(bp, 1);
34f80b04 9931 else
3101c2bc 9932 bnx2x_set_mac_addr_e1h(bp, 1);
34f80b04 9933 }
a2fbb9ea
ET		 9934
9935 return 0;
9936}
9937
c18487ee 9938/* called with rtnl_lock */
a2fbb9ea
ET		 9939static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9940{
9941 struct mii_ioctl_data *data = if_mii(ifr);
9942 struct bnx2x *bp = netdev_priv(dev);
3196a88a 9943 int port = BP_PORT(bp);
a2fbb9ea
ET		 9944 int err;
9945
9946 switch (cmd) {
9947 case SIOCGMIIPHY:
34f80b04 9948 data->phy_id = bp->port.phy_addr;
a2fbb9ea 9949
c14423fe 9950 /* fallthrough */
c18487ee 9951
a2fbb9ea 9952 case SIOCGMIIREG: {
c18487ee 9953 u16 mii_regval;
a2fbb9ea 9954
c18487ee
YR		 9955 if (!netif_running(dev))
9956 return -EAGAIN;
a2fbb9ea 9957
34f80b04 9958 mutex_lock(&bp->port.phy_mutex);
3196a88a 9959 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
c18487ee
YR		 9960 DEFAULT_PHY_DEV_ADDR,
9961 (data->reg_num & 0x1f), &mii_regval);
9962 data->val_out = mii_regval;
34f80b04 9963 mutex_unlock(&bp->port.phy_mutex);
a2fbb9ea
ET		 9964 return err;
9965 }
9966
9967 case SIOCSMIIREG:
9968 if (!capable(CAP_NET_ADMIN))
9969 return -EPERM;
9970
c18487ee
YR		 9971 if (!netif_running(dev))
9972 return -EAGAIN;
9973
34f80b04 9974 mutex_lock(&bp->port.phy_mutex);
3196a88a 9975 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
c18487ee
YR		 9976 DEFAULT_PHY_DEV_ADDR,
9977 (data->reg_num & 0x1f), data->val_in);
34f80b04 9978 mutex_unlock(&bp->port.phy_mutex);
a2fbb9ea
ET		 9979 return err;
9980
9981 default:
9982 /* do nothing */
9983 break;
9984 }
9985
9986 return -EOPNOTSUPP;
9987}
9988
34f80b04 9989/* called with rtnl_lock */
a2fbb9ea
ET		 9990static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9991{
9992 struct bnx2x *bp = netdev_priv(dev);
34f80b04 9993 int rc = 0;
a2fbb9ea
ET		 9994
9995 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9996 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9997 return -EINVAL;
9998
9999 /* This does not race with packet allocation
c14423fe 10000 * because the actual alloc size is
a2fbb9ea
ET		 10001 * only updated as part of load
10002 */
10003 dev->mtu = new_mtu;
10004
10005 if (netif_running(dev)) {
34f80b04
EG		 10006 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
10007 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
a2fbb9ea 10008 }
34f80b04
EG		 10009
10010 return rc;
a2fbb9ea
ET		 10011}
10012
10013static void bnx2x_tx_timeout(struct net_device *dev)
10014{
10015 struct bnx2x *bp = netdev_priv(dev);
10016
10017#ifdef BNX2X_STOP_ON_ERROR
10018 if (!bp->panic)
10019 bnx2x_panic();
10020#endif
10021 /* This allows the netif to be shutdown gracefully before resetting */
10022 schedule_work(&bp->reset_task);
10023}
10024
10025#ifdef BCM_VLAN
34f80b04 10026/* called with rtnl_lock */
a2fbb9ea
ET		 10027static void bnx2x_vlan_rx_register(struct net_device *dev,
10028 struct vlan_group *vlgrp)
10029{
10030 struct bnx2x *bp = netdev_priv(dev);
10031
10032 bp->vlgrp = vlgrp;
0c6671b0
EG		 10033
10034 /* Set flags according to the required capabilities */
10035 bp->flags &= ~(HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG);
10036
10037 if (dev->features & NETIF_F_HW_VLAN_TX)
10038 bp->flags |= HW_VLAN_TX_FLAG;
10039
10040 if (dev->features & NETIF_F_HW_VLAN_RX)
10041 bp->flags |= HW_VLAN_RX_FLAG;
10042
a2fbb9ea 10043 if (netif_running(dev))
49d66772 10044 bnx2x_set_client_config(bp);
a2fbb9ea 10045}
34f80b04 10046
a2fbb9ea
ET		 10047#endif
10048
10049#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10050static void poll_bnx2x(struct net_device *dev)
10051{
10052 struct bnx2x *bp = netdev_priv(dev);
10053
10054 disable_irq(bp->pdev->irq);
10055 bnx2x_interrupt(bp->pdev->irq, dev);
10056 enable_irq(bp->pdev->irq);
10057}
10058#endif
10059
c64213cd
SH		 10060static const struct net_device_ops bnx2x_netdev_ops = {
10061 .ndo_open = bnx2x_open,
10062 .ndo_stop = bnx2x_close,
10063 .ndo_start_xmit = bnx2x_start_xmit,
10064 .ndo_set_multicast_list = bnx2x_set_rx_mode,
10065 .ndo_set_mac_address = bnx2x_change_mac_addr,
10066 .ndo_validate_addr = eth_validate_addr,
10067 .ndo_do_ioctl = bnx2x_ioctl,
10068 .ndo_change_mtu = bnx2x_change_mtu,
10069 .ndo_tx_timeout = bnx2x_tx_timeout,
10070#ifdef BCM_VLAN
10071 .ndo_vlan_rx_register = bnx2x_vlan_rx_register,
10072#endif
10073#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10074 .ndo_poll_controller = poll_bnx2x,
10075#endif
10076};
10077
10078
34f80b04
EG		 10079static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10080 struct net_device *dev)
a2fbb9ea
ET		 10081{
10082 struct bnx2x *bp;
10083 int rc;
10084
10085 SET_NETDEV_DEV(dev, &pdev->dev);
10086 bp = netdev_priv(dev);
10087
34f80b04
EG		 10088 bp->dev = dev;
10089 bp->pdev = pdev;
a2fbb9ea 10090 bp->flags = 0;
34f80b04 10091 bp->func = PCI_FUNC(pdev->devfn);
a2fbb9ea
ET		 10092
10093 rc = pci_enable_device(pdev);
10094 if (rc) {
10095 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10096 goto err_out;
10097 }
10098
10099 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10100 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10101 " aborting\n");
10102 rc = -ENODEV;
10103 goto err_out_disable;
10104 }
10105
10106 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10107 printk(KERN_ERR PFX "Cannot find second PCI device"
10108 " base address, aborting\n");
10109 rc = -ENODEV;
10110 goto err_out_disable;
10111 }
10112
34f80b04
EG		 10113 if (atomic_read(&pdev->enable_cnt) == 1) {
10114 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10115 if (rc) {
10116 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10117 " aborting\n");
10118 goto err_out_disable;
10119 }
a2fbb9ea 10120
34f80b04
EG		 10121 pci_set_master(pdev);
10122 pci_save_state(pdev);
10123 }
a2fbb9ea
ET		 10124
10125 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10126 if (bp->pm_cap == 0) {
10127 printk(KERN_ERR PFX "Cannot find power management"
10128 " capability, aborting\n");
10129 rc = -EIO;
10130 goto err_out_release;
10131 }
10132
10133 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10134 if (bp->pcie_cap == 0) {
10135 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10136 " aborting\n");
10137 rc = -EIO;
10138 goto err_out_release;
10139 }
10140
10141 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10142 bp->flags |= USING_DAC_FLAG;
10143 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10144 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10145 " failed, aborting\n");
10146 rc = -EIO;
10147 goto err_out_release;
10148 }
10149
10150 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10151 printk(KERN_ERR PFX "System does not support DMA,"
10152 " aborting\n");
10153 rc = -EIO;
10154 goto err_out_release;
10155 }
10156
34f80b04
EG		 10157 dev->mem_start = pci_resource_start(pdev, 0);
10158 dev->base_addr = dev->mem_start;
10159 dev->mem_end = pci_resource_end(pdev, 0);
a2fbb9ea
ET		 10160
10161 dev->irq = pdev->irq;
10162
275f165f 10163 bp->regview = pci_ioremap_bar(pdev, 0);
a2fbb9ea
ET		 10164 if (!bp->regview) {
10165 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10166 rc = -ENOMEM;
10167 goto err_out_release;
10168 }
10169
34f80b04
EG		 10170 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10171 min_t(u64, BNX2X_DB_SIZE,
10172 pci_resource_len(pdev, 2)));
a2fbb9ea
ET		 10173 if (!bp->doorbells) {
10174 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10175 rc = -ENOMEM;
10176 goto err_out_unmap;
10177 }
10178
10179 bnx2x_set_power_state(bp, PCI_D0);
10180
34f80b04
EG		 10181 /* clean indirect addresses */
10182 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10183 PCICFG_VENDOR_ID_OFFSET);
10184 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10185 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10186 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10187 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
a2fbb9ea 10188
34f80b04 10189 dev->watchdog_timeo = TX_TIMEOUT;
a2fbb9ea 10190
c64213cd 10191 dev->netdev_ops = &bnx2x_netdev_ops;
34f80b04 10192 dev->ethtool_ops = &bnx2x_ethtool_ops;
34f80b04
EG		 10193 dev->features |= NETIF_F_SG;
10194 dev->features |= NETIF_F_HW_CSUM;
10195 if (bp->flags & USING_DAC_FLAG)
10196 dev->features |= NETIF_F_HIGHDMA;
10197#ifdef BCM_VLAN
10198 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
0c6671b0 10199 bp->flags |= (HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG);
34f80b04
EG		 10200#endif
10201 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
755735eb 10202 dev->features |= NETIF_F_TSO6;
a2fbb9ea
ET		 10203
10204 return 0;
10205
10206err_out_unmap:
10207 if (bp->regview) {
10208 iounmap(bp->regview);
10209 bp->regview = NULL;
10210 }
a2fbb9ea
ET		 10211 if (bp->doorbells) {
10212 iounmap(bp->doorbells);
10213 bp->doorbells = NULL;
10214 }
10215
10216err_out_release:
34f80b04
EG		 10217 if (atomic_read(&pdev->enable_cnt) == 1)
10218 pci_release_regions(pdev);
a2fbb9ea
ET		 10219
10220err_out_disable:
10221 pci_disable_device(pdev);
10222 pci_set_drvdata(pdev, NULL);
10223
10224err_out:
10225 return rc;
10226}
10227
25047950
ET		 10228static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10229{
10230 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10231
10232 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10233 return val;
10234}
10235
10236/* return value of 1=2.5GHz 2=5GHz */
10237static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10238{
10239 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10240
10241 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10242 return val;
10243}
10244
a2fbb9ea
ET		 10245static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10246 const struct pci_device_id *ent)
10247{
10248 static int version_printed;
10249 struct net_device *dev = NULL;
10250 struct bnx2x *bp;
25047950 10251 int rc;
a2fbb9ea
ET		 10252
10253 if (version_printed++ == 0)
10254 printk(KERN_INFO "%s", version);
10255
10256 /* dev zeroed in init_etherdev */
10257 dev = alloc_etherdev(sizeof(*bp));
34f80b04
EG		 10258 if (!dev) {
10259 printk(KERN_ERR PFX "Cannot allocate net device\n");
a2fbb9ea 10260 return -ENOMEM;
34f80b04 10261 }
a2fbb9ea 10262
a2fbb9ea
ET		 10263 bp = netdev_priv(dev);
10264 bp->msglevel = debug;
10265
34f80b04 10266 rc = bnx2x_init_dev(pdev, dev);
a2fbb9ea
ET		 10267 if (rc < 0) {
10268 free_netdev(dev);
10269 return rc;
10270 }
10271
a2fbb9ea
ET		 10272 pci_set_drvdata(pdev, dev);
10273
34f80b04 10274 rc = bnx2x_init_bp(bp);
693fc0d1
EG		 10275 if (rc)
10276 goto init_one_exit;
10277
10278 rc = register_netdev(dev);
34f80b04 10279 if (rc) {
693fc0d1 10280 dev_err(&pdev->dev, "Cannot register net device\n");
34f80b04
EG		 10281 goto init_one_exit;
10282 }
10283
12b56ea8
EG		 10284 netif_carrier_off(dev);
10285
34f80b04 10286 bp->common.name = board_info[ent->driver_data].name;
25047950 10287 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
34f80b04
EG		 10288 " IRQ %d, ", dev->name, bp->common.name,
10289 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
25047950
ET		 10290 bnx2x_get_pcie_width(bp),
10291 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10292 dev->base_addr, bp->pdev->irq);
e174961c 10293 printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
a2fbb9ea 10294 return 0;
34f80b04
EG		 10295
10296init_one_exit:
10297 if (bp->regview)
10298 iounmap(bp->regview);
10299
10300 if (bp->doorbells)
10301 iounmap(bp->doorbells);
10302
10303 free_netdev(dev);
10304
10305 if (atomic_read(&pdev->enable_cnt) == 1)
10306 pci_release_regions(pdev);
10307
10308 pci_disable_device(pdev);
10309 pci_set_drvdata(pdev, NULL);
10310
10311 return rc;
a2fbb9ea
ET		 10312}
10313
10314static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10315{
10316 struct net_device *dev = pci_get_drvdata(pdev);
228241eb
ET		 10317 struct bnx2x *bp;
10318
10319 if (!dev) {
228241eb
ET		 10320 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10321 return;
10322 }
228241eb 10323 bp = netdev_priv(dev);
a2fbb9ea 10324
a2fbb9ea
ET		 10325 unregister_netdev(dev);
10326
10327 if (bp->regview)
10328 iounmap(bp->regview);
10329
10330 if (bp->doorbells)
10331 iounmap(bp->doorbells);
10332
10333 free_netdev(dev);
34f80b04
EG		 10334
10335 if (atomic_read(&pdev->enable_cnt) == 1)
10336 pci_release_regions(pdev);
10337
a2fbb9ea
ET		 10338 pci_disable_device(pdev);
10339 pci_set_drvdata(pdev, NULL);
10340}
10341
10342static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10343{
10344 struct net_device *dev = pci_get_drvdata(pdev);
228241eb
ET		 10345 struct bnx2x *bp;
10346
34f80b04
EG		 10347 if (!dev) {
10348 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10349 return -ENODEV;
10350 }
10351 bp = netdev_priv(dev);
a2fbb9ea 10352
34f80b04 10353 rtnl_lock();
a2fbb9ea 10354
34f80b04 10355 pci_save_state(pdev);
228241eb 10356
34f80b04
EG		 10357 if (!netif_running(dev)) {
10358 rtnl_unlock();
10359 return 0;
10360 }
a2fbb9ea
ET		 10361
10362 netif_device_detach(dev);
a2fbb9ea 10363
da5a662a 10364 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
34f80b04 10365
a2fbb9ea 10366 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
228241eb 10367
34f80b04
EG		 10368 rtnl_unlock();
10369
a2fbb9ea
ET		 10370 return 0;
10371}
10372
10373static int bnx2x_resume(struct pci_dev *pdev)
10374{
10375 struct net_device *dev = pci_get_drvdata(pdev);
228241eb 10376 struct bnx2x *bp;
a2fbb9ea
ET		 10377 int rc;
10378
228241eb
ET		 10379 if (!dev) {
10380 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10381 return -ENODEV;
10382 }
228241eb 10383 bp = netdev_priv(dev);
a2fbb9ea 10384
34f80b04
EG		 10385 rtnl_lock();
10386
228241eb 10387 pci_restore_state(pdev);
34f80b04
EG		 10388
10389 if (!netif_running(dev)) {
10390 rtnl_unlock();
10391 return 0;
10392 }
10393
a2fbb9ea
ET		 10394 bnx2x_set_power_state(bp, PCI_D0);
10395 netif_device_attach(dev);
10396
da5a662a 10397 rc = bnx2x_nic_load(bp, LOAD_OPEN);
a2fbb9ea 10398
34f80b04
EG		 10399 rtnl_unlock();
10400
10401 return rc;
a2fbb9ea
ET		 10402}
10403
f8ef6e44
YG		 10404static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
10405{
10406 int i;
10407
10408 bp->state = BNX2X_STATE_ERROR;
10409
10410 bp->rx_mode = BNX2X_RX_MODE_NONE;
10411
10412 bnx2x_netif_stop(bp, 0);
10413
10414 del_timer_sync(&bp->timer);
10415 bp->stats_state = STATS_STATE_DISABLED;
10416 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
10417
10418 /* Release IRQs */
10419 bnx2x_free_irq(bp);
10420
10421 if (CHIP_IS_E1(bp)) {
10422 struct mac_configuration_cmd *config =
10423 bnx2x_sp(bp, mcast_config);
10424
10425 for (i = 0; i < config->hdr.length_6b; i++)
10426 CAM_INVALIDATE(config->config_table[i]);
10427 }
10428
10429 /* Free SKBs, SGEs, TPA pool and driver internals */
10430 bnx2x_free_skbs(bp);
10431 for_each_queue(bp, i)
10432 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
10433 bnx2x_free_mem(bp);
10434
10435 bp->state = BNX2X_STATE_CLOSED;
10436
10437 netif_carrier_off(bp->dev);
10438
10439 return 0;
10440}
10441
10442static void bnx2x_eeh_recover(struct bnx2x *bp)
10443{
10444 u32 val;
10445
10446 mutex_init(&bp->port.phy_mutex);
10447
10448 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
10449 bp->link_params.shmem_base = bp->common.shmem_base;
10450 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
10451
10452 if (!bp->common.shmem_base ||
10453 (bp->common.shmem_base < 0xA0000) ||
10454 (bp->common.shmem_base >= 0xC0000)) {
10455 BNX2X_DEV_INFO("MCP not active\n");
10456 bp->flags |= NO_MCP_FLAG;
10457 return;
10458 }
10459
10460 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
10461 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10462 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10463 BNX2X_ERR("BAD MCP validity signature\n");
10464
10465 if (!BP_NOMCP(bp)) {
10466 bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
10467 & DRV_MSG_SEQ_NUMBER_MASK);
10468 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10469 }
10470}
10471
493adb1f
WX		 10472/**
10473 * bnx2x_io_error_detected - called when PCI error is detected
10474 * @pdev: Pointer to PCI device
10475 * @state: The current pci connection state
10476 *
10477 * This function is called after a PCI bus error affecting
10478 * this device has been detected.
10479 */
10480static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10481 pci_channel_state_t state)
10482{
10483 struct net_device *dev = pci_get_drvdata(pdev);
10484 struct bnx2x *bp = netdev_priv(dev);
10485
10486 rtnl_lock();
10487
10488 netif_device_detach(dev);
10489
10490 if (netif_running(dev))
f8ef6e44 10491 bnx2x_eeh_nic_unload(bp);
493adb1f
WX		 10492
10493 pci_disable_device(pdev);
10494
10495 rtnl_unlock();
10496
10497 /* Request a slot reset */
10498 return PCI_ERS_RESULT_NEED_RESET;
10499}
10500
10501/**
10502 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10503 * @pdev: Pointer to PCI device
10504 *
10505 * Restart the card from scratch, as if from a cold-boot.
10506 */
10507static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10508{
10509 struct net_device *dev = pci_get_drvdata(pdev);
10510 struct bnx2x *bp = netdev_priv(dev);
10511
10512 rtnl_lock();
10513
10514 if (pci_enable_device(pdev)) {
10515 dev_err(&pdev->dev,
10516 "Cannot re-enable PCI device after reset\n");
10517 rtnl_unlock();
10518 return PCI_ERS_RESULT_DISCONNECT;
10519 }
10520
10521 pci_set_master(pdev);
10522 pci_restore_state(pdev);
10523
10524 if (netif_running(dev))
10525 bnx2x_set_power_state(bp, PCI_D0);
10526
10527 rtnl_unlock();
10528
10529 return PCI_ERS_RESULT_RECOVERED;
10530}
10531
10532/**
10533 * bnx2x_io_resume - called when traffic can start flowing again
10534 * @pdev: Pointer to PCI device
10535 *
10536 * This callback is called when the error recovery driver tells us that
10537 * its OK to resume normal operation.
10538 */
10539static void bnx2x_io_resume(struct pci_dev *pdev)
10540{
10541 struct net_device *dev = pci_get_drvdata(pdev);
10542 struct bnx2x *bp = netdev_priv(dev);
10543
10544 rtnl_lock();
10545
f8ef6e44
YG		 10546 bnx2x_eeh_recover(bp);
10547
493adb1f 10548 if (netif_running(dev))
f8ef6e44 10549 bnx2x_nic_load(bp, LOAD_NORMAL);
493adb1f
WX		 10550
10551 netif_device_attach(dev);
10552
10553 rtnl_unlock();
10554}
10555
10556static struct pci_error_handlers bnx2x_err_handler = {
10557 .error_detected = bnx2x_io_error_detected,
10558 .slot_reset = bnx2x_io_slot_reset,
10559 .resume = bnx2x_io_resume,
10560};
10561
a2fbb9ea 10562static struct pci_driver bnx2x_pci_driver = {
493adb1f
WX		 10563 .name = DRV_MODULE_NAME,
10564 .id_table = bnx2x_pci_tbl,
10565 .probe = bnx2x_init_one,
10566 .remove = __devexit_p(bnx2x_remove_one),
10567 .suspend = bnx2x_suspend,
10568 .resume = bnx2x_resume,
10569 .err_handler = &bnx2x_err_handler,
a2fbb9ea
ET		 10570};
10571
10572static int __init bnx2x_init(void)
10573{
1cf167f2
EG		 10574 bnx2x_wq = create_singlethread_workqueue("bnx2x");
10575 if (bnx2x_wq == NULL) {
10576 printk(KERN_ERR PFX "Cannot create workqueue\n");
10577 return -ENOMEM;
10578 }
10579
a2fbb9ea
ET		 10580 return pci_register_driver(&bnx2x_pci_driver);
10581}
10582
10583static void __exit bnx2x_cleanup(void)
10584{
10585 pci_unregister_driver(&bnx2x_pci_driver);
1cf167f2
EG		 10586
10587 destroy_workqueue(bnx2x_wq);
a2fbb9ea
ET		 10588}
10589
10590module_init(bnx2x_init);
10591module_exit(bnx2x_cleanup);
10592
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