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bnx2x: Spelling mistakes
[deliverable/linux.git] / drivers / net / bnx2x_main.c
1 /* bnx2x_main.c: Broadcom Everest network driver.
2 *
3 * Copyright (c) 2007-2008 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
14 * Statistics and Link management by Yitchak Gertner
15 *
16 */
17
18 #include <linux/module.h>
19 #include <linux/moduleparam.h>
20 #include <linux/kernel.h>
21 #include <linux/device.h> /* for dev_info() */
22 #include <linux/timer.h>
23 #include <linux/errno.h>
24 #include <linux/ioport.h>
25 #include <linux/slab.h>
26 #include <linux/vmalloc.h>
27 #include <linux/interrupt.h>
28 #include <linux/pci.h>
29 #include <linux/init.h>
30 #include <linux/netdevice.h>
31 #include <linux/etherdevice.h>
32 #include <linux/skbuff.h>
33 #include <linux/dma-mapping.h>
34 #include <linux/bitops.h>
35 #include <linux/irq.h>
36 #include <linux/delay.h>
37 #include <asm/byteorder.h>
38 #include <linux/time.h>
39 #include <linux/ethtool.h>
40 #include <linux/mii.h>
41 #ifdef NETIF_F_HW_VLAN_TX
42 #include <linux/if_vlan.h>
43 #endif
44 #include <net/ip.h>
45 #include <net/tcp.h>
46 #include <net/checksum.h>
47 #include <linux/version.h>
48 #include <net/ip6_checksum.h>
49 #include <linux/workqueue.h>
50 #include <linux/crc32.h>
51 #include <linux/crc32c.h>
52 #include <linux/prefetch.h>
53 #include <linux/zlib.h>
54 #include <linux/io.h>
55
56 #include "bnx2x_reg.h"
57 #include "bnx2x_fw_defs.h"
58 #include "bnx2x_hsi.h"
59 #include "bnx2x_link.h"
60 #include "bnx2x.h"
61 #include "bnx2x_init.h"
62
63 #define DRV_MODULE_VERSION "1.45.6"
64 #define DRV_MODULE_RELDATE "2008/06/23"
65 #define BNX2X_BC_VER 0x040200
66
67 /* Time in jiffies before concluding the transmitter is hung */
68 #define TX_TIMEOUT (5*HZ)
69
70 static char version[] __devinitdata =
71 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
72 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
73
74 MODULE_AUTHOR("Eliezer Tamir");
75 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(DRV_MODULE_VERSION);
78
79 static int disable_tpa;
80 static int use_inta;
81 static int poll;
82 static int debug;
83 static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
84 static int use_multi;
85
86 module_param(disable_tpa, int, 0);
87 module_param(use_inta, int, 0);
88 module_param(poll, int, 0);
89 module_param(debug, int, 0);
90 MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
91 MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
92 MODULE_PARM_DESC(poll, "use polling (for debug)");
93 MODULE_PARM_DESC(debug, "default debug msglevel");
94
95 #ifdef BNX2X_MULTI
96 module_param(use_multi, int, 0);
97 MODULE_PARM_DESC(use_multi, "use per-CPU queues");
98 #endif
99
100 enum bnx2x_board_type {
101 BCM57710 = 0,
102 BCM57711 = 1,
103 BCM57711E = 2,
104 };
105
106 /* indexed by board_type, above */
107 static struct {
108 char *name;
109 } board_info[] __devinitdata = {
110 { "Broadcom NetXtreme II BCM57710 XGb" },
111 { "Broadcom NetXtreme II BCM57711 XGb" },
112 { "Broadcom NetXtreme II BCM57711E XGb" }
113 };
114
115
116 static const struct pci_device_id bnx2x_pci_tbl[] = {
117 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
119 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
121 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
122 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
123 { 0 }
124 };
125
126 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
127
128 /****************************************************************************
129 * General service functions
130 ****************************************************************************/
131
132 /* used only at init
133 * locking is done by mcp
134 */
135 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
136 {
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
138 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
139 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
140 PCICFG_VENDOR_ID_OFFSET);
141 }
142
143 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
144 {
145 u32 val;
146
147 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
148 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
149 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
150 PCICFG_VENDOR_ID_OFFSET);
151
152 return val;
153 }
154
155 static const u32 dmae_reg_go_c[] = {
156 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
157 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
158 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
159 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
160 };
161
162 /* copy command into DMAE command memory and set DMAE command go */
163 static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
164 int idx)
165 {
166 u32 cmd_offset;
167 int i;
168
169 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
170 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
171 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
172
173 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
174 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
175 }
176 REG_WR(bp, dmae_reg_go_c[idx], 1);
177 }
178
179 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
180 u32 len32)
181 {
182 struct dmae_command *dmae = &bp->init_dmae;
183 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
184 int cnt = 200;
185
186 if (!bp->dmae_ready) {
187 u32 *data = bnx2x_sp(bp, wb_data[0]);
188
189 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
190 " using indirect\n", dst_addr, len32);
191 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
192 return;
193 }
194
195 mutex_lock(&bp->dmae_mutex);
196
197 memset(dmae, 0, sizeof(struct dmae_command));
198
199 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
200 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
201 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
202 #ifdef __BIG_ENDIAN
203 DMAE_CMD_ENDIANITY_B_DW_SWAP |
204 #else
205 DMAE_CMD_ENDIANITY_DW_SWAP |
206 #endif
207 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
208 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
209 dmae->src_addr_lo = U64_LO(dma_addr);
210 dmae->src_addr_hi = U64_HI(dma_addr);
211 dmae->dst_addr_lo = dst_addr >> 2;
212 dmae->dst_addr_hi = 0;
213 dmae->len = len32;
214 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
215 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
216 dmae->comp_val = DMAE_COMP_VAL;
217
218 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
219 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
220 "dst_addr [%x:%08x (%08x)]\n"
221 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
222 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
223 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
224 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
225 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
226 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
227 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
228
229 *wb_comp = 0;
230
231 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
232
233 udelay(5);
234
235 while (*wb_comp != DMAE_COMP_VAL) {
236 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
237
238 if (!cnt) {
239 BNX2X_ERR("dmae timeout!\n");
240 break;
241 }
242 cnt--;
243 /* adjust delay for emulation/FPGA */
244 if (CHIP_REV_IS_SLOW(bp))
245 msleep(100);
246 else
247 udelay(5);
248 }
249
250 mutex_unlock(&bp->dmae_mutex);
251 }
252
253 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
254 {
255 struct dmae_command *dmae = &bp->init_dmae;
256 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
257 int cnt = 200;
258
259 if (!bp->dmae_ready) {
260 u32 *data = bnx2x_sp(bp, wb_data[0]);
261 int i;
262
263 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
264 " using indirect\n", src_addr, len32);
265 for (i = 0; i < len32; i++)
266 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
267 return;
268 }
269
270 mutex_lock(&bp->dmae_mutex);
271
272 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
273 memset(dmae, 0, sizeof(struct dmae_command));
274
275 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
276 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
277 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
278 #ifdef __BIG_ENDIAN
279 DMAE_CMD_ENDIANITY_B_DW_SWAP |
280 #else
281 DMAE_CMD_ENDIANITY_DW_SWAP |
282 #endif
283 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
284 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
285 dmae->src_addr_lo = src_addr >> 2;
286 dmae->src_addr_hi = 0;
287 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
288 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
289 dmae->len = len32;
290 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
291 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
292 dmae->comp_val = DMAE_COMP_VAL;
293
294 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
295 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
296 "dst_addr [%x:%08x (%08x)]\n"
297 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
298 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
299 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
300 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
301
302 *wb_comp = 0;
303
304 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
305
306 udelay(5);
307
308 while (*wb_comp != DMAE_COMP_VAL) {
309
310 if (!cnt) {
311 BNX2X_ERR("dmae timeout!\n");
312 break;
313 }
314 cnt--;
315 /* adjust delay for emulation/FPGA */
316 if (CHIP_REV_IS_SLOW(bp))
317 msleep(100);
318 else
319 udelay(5);
320 }
321 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
322 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
323 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
324
325 mutex_unlock(&bp->dmae_mutex);
326 }
327
328 /* used only for slowpath so not inlined */
329 static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
330 {
331 u32 wb_write[2];
332
333 wb_write[0] = val_hi;
334 wb_write[1] = val_lo;
335 REG_WR_DMAE(bp, reg, wb_write, 2);
336 }
337
338 #ifdef USE_WB_RD
339 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
340 {
341 u32 wb_data[2];
342
343 REG_RD_DMAE(bp, reg, wb_data, 2);
344
345 return HILO_U64(wb_data[0], wb_data[1]);
346 }
347 #endif
348
349 static int bnx2x_mc_assert(struct bnx2x *bp)
350 {
351 char last_idx;
352 int i, rc = 0;
353 u32 row0, row1, row2, row3;
354
355 /* XSTORM */
356 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
357 XSTORM_ASSERT_LIST_INDEX_OFFSET);
358 if (last_idx)
359 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
360
361 /* print the asserts */
362 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
363
364 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
365 XSTORM_ASSERT_LIST_OFFSET(i));
366 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
367 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
368 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
369 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
370 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
371 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
372
373 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
374 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
375 " 0x%08x 0x%08x 0x%08x\n",
376 i, row3, row2, row1, row0);
377 rc++;
378 } else {
379 break;
380 }
381 }
382
383 /* TSTORM */
384 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
385 TSTORM_ASSERT_LIST_INDEX_OFFSET);
386 if (last_idx)
387 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
388
389 /* print the asserts */
390 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
391
392 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
393 TSTORM_ASSERT_LIST_OFFSET(i));
394 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
395 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
396 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
397 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
398 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
399 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
400
401 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
402 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
403 " 0x%08x 0x%08x 0x%08x\n",
404 i, row3, row2, row1, row0);
405 rc++;
406 } else {
407 break;
408 }
409 }
410
411 /* CSTORM */
412 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
413 CSTORM_ASSERT_LIST_INDEX_OFFSET);
414 if (last_idx)
415 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
416
417 /* print the asserts */
418 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
419
420 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
421 CSTORM_ASSERT_LIST_OFFSET(i));
422 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
423 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
424 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
425 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
426 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
427 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
428
429 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
430 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
431 " 0x%08x 0x%08x 0x%08x\n",
432 i, row3, row2, row1, row0);
433 rc++;
434 } else {
435 break;
436 }
437 }
438
439 /* USTORM */
440 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
441 USTORM_ASSERT_LIST_INDEX_OFFSET);
442 if (last_idx)
443 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
444
445 /* print the asserts */
446 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
447
448 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
449 USTORM_ASSERT_LIST_OFFSET(i));
450 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
451 USTORM_ASSERT_LIST_OFFSET(i) + 4);
452 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
453 USTORM_ASSERT_LIST_OFFSET(i) + 8);
454 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
455 USTORM_ASSERT_LIST_OFFSET(i) + 12);
456
457 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
458 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
459 " 0x%08x 0x%08x 0x%08x\n",
460 i, row3, row2, row1, row0);
461 rc++;
462 } else {
463 break;
464 }
465 }
466
467 return rc;
468 }
469
470 static void bnx2x_fw_dump(struct bnx2x *bp)
471 {
472 u32 mark, offset;
473 u32 data[9];
474 int word;
475
476 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
477 mark = ((mark + 0x3) & ~0x3);
478 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
479
480 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
481 for (word = 0; word < 8; word++)
482 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
483 offset + 4*word));
484 data[8] = 0x0;
485 printk(KERN_CONT "%s", (char *)data);
486 }
487 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
488 for (word = 0; word < 8; word++)
489 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
490 offset + 4*word));
491 data[8] = 0x0;
492 printk(KERN_CONT "%s", (char *)data);
493 }
494 printk("\n" KERN_ERR PFX "end of fw dump\n");
495 }
496
497 static void bnx2x_panic_dump(struct bnx2x *bp)
498 {
499 int i;
500 u16 j, start, end;
501
502 bp->stats_state = STATS_STATE_DISABLED;
503 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
504
505 BNX2X_ERR("begin crash dump -----------------\n");
506
507 for_each_queue(bp, i) {
508 struct bnx2x_fastpath *fp = &bp->fp[i];
509 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
510
511 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
512 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
513 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
514 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
515 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
516 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
517 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
518 fp->rx_bd_prod, fp->rx_bd_cons,
519 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
520 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
521 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
522 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
523 " *sb_u_idx(%x) bd data(%x,%x)\n",
524 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
525 fp->status_blk->c_status_block.status_block_index,
526 fp->fp_u_idx,
527 fp->status_blk->u_status_block.status_block_index,
528 hw_prods->packets_prod, hw_prods->bds_prod);
529
530 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
531 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
532 for (j = start; j < end; j++) {
533 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
534
535 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
536 sw_bd->skb, sw_bd->first_bd);
537 }
538
539 start = TX_BD(fp->tx_bd_cons - 10);
540 end = TX_BD(fp->tx_bd_cons + 254);
541 for (j = start; j < end; j++) {
542 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
543
544 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
545 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
546 }
547
548 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
549 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
550 for (j = start; j < end; j++) {
551 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
552 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
553
554 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
555 j, rx_bd[1], rx_bd[0], sw_bd->skb);
556 }
557
558 start = RX_SGE(fp->rx_sge_prod);
559 end = RX_SGE(fp->last_max_sge);
560 for (j = start; j < end; j++) {
561 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
562 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
563
564 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
565 j, rx_sge[1], rx_sge[0], sw_page->page);
566 }
567
568 start = RCQ_BD(fp->rx_comp_cons - 10);
569 end = RCQ_BD(fp->rx_comp_cons + 503);
570 for (j = start; j < end; j++) {
571 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
572
573 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
574 j, cqe[0], cqe[1], cqe[2], cqe[3]);
575 }
576 }
577
578 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
579 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
580 " spq_prod_idx(%u)\n",
581 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
582 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
583
584 bnx2x_fw_dump(bp);
585 bnx2x_mc_assert(bp);
586 BNX2X_ERR("end crash dump -----------------\n");
587 }
588
589 static void bnx2x_int_enable(struct bnx2x *bp)
590 {
591 int port = BP_PORT(bp);
592 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
593 u32 val = REG_RD(bp, addr);
594 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
595
596 if (msix) {
597 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
598 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
599 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
600 } else {
601 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
602 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
603 HC_CONFIG_0_REG_INT_LINE_EN_0 |
604 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
605
606 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
607 val, port, addr, msix);
608
609 REG_WR(bp, addr, val);
610
611 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
612 }
613
614 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
615 val, port, addr, msix);
616
617 REG_WR(bp, addr, val);
618
619 if (CHIP_IS_E1H(bp)) {
620 /* init leading/trailing edge */
621 if (IS_E1HMF(bp)) {
622 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
623 if (bp->port.pmf)
624 /* enable nig attention */
625 val |= 0x0100;
626 } else
627 val = 0xffff;
628
629 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
630 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
631 }
632 }
633
634 static void bnx2x_int_disable(struct bnx2x *bp)
635 {
636 int port = BP_PORT(bp);
637 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
638 u32 val = REG_RD(bp, addr);
639
640 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
641 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
642 HC_CONFIG_0_REG_INT_LINE_EN_0 |
643 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
644
645 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
646 val, port, addr);
647
648 REG_WR(bp, addr, val);
649 if (REG_RD(bp, addr) != val)
650 BNX2X_ERR("BUG! proper val not read from IGU!\n");
651 }
652
653 static void bnx2x_int_disable_sync(struct bnx2x *bp)
654 {
655 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
656 int i;
657
658 /* disable interrupt handling */
659 atomic_inc(&bp->intr_sem);
660 /* prevent the HW from sending interrupts */
661 bnx2x_int_disable(bp);
662
663 /* make sure all ISRs are done */
664 if (msix) {
665 for_each_queue(bp, i)
666 synchronize_irq(bp->msix_table[i].vector);
667
668 /* one more for the Slow Path IRQ */
669 synchronize_irq(bp->msix_table[i].vector);
670 } else
671 synchronize_irq(bp->pdev->irq);
672
673 /* make sure sp_task is not running */
674 cancel_work_sync(&bp->sp_task);
675 }
676
677 /* fast path */
678
679 /*
680 * General service functions
681 */
682
683 static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
684 u8 storm, u16 index, u8 op, u8 update)
685 {
686 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
687 COMMAND_REG_INT_ACK);
688 struct igu_ack_register igu_ack;
689
690 igu_ack.status_block_index = index;
691 igu_ack.sb_id_and_flags =
692 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
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
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));
700 }
701
702 static 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
719 static u16 bnx2x_ack_int(struct bnx2x *bp)
720 {
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);
724
725 DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
726 result, hc_addr);
727
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 */
739 static 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;
745 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
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;
758 new_cons = nbd + tx_buf->first_bd;
759 #ifdef BNX2X_STOP_ON_ERROR
760 if (nbd > (MAX_SKB_FRAGS + 2)) {
761 BNX2X_ERR("BAD nbd!\n");
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 */
796 WARN_ON(!skb);
797 dev_kfree_skb(skb);
798 tx_buf->first_bd = 0;
799 tx_buf->skb = NULL;
800
801 return new_cons;
802 }
803
804 static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
805 {
806 s16 used;
807 u16 prod;
808 u16 cons;
809
810 barrier(); /* Tell compiler that prod and cons can change */
811 prod = fp->tx_bd_prod;
812 cons = fp->tx_bd_cons;
813
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;
817
818 #ifdef BNX2X_STOP_ON_ERROR
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);
822 #endif
823
824 return (s16)(fp->bp->tx_ring_size) - used;
825 }
826
827 static 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
848 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
849 hw_cons, sw_cons, pkt_cons);
850
851 /* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
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) &&
880 (bp->state == BNX2X_STATE_OPEN) &&
881 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
882 netif_wake_queue(bp->dev);
883
884 netif_tx_unlock(bp->dev);
885 }
886 }
887
888
889 static 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
896 DP(BNX2X_MSG_SP,
897 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
898 FP_IDX(fp), cid, command, bp->state,
899 rr_cqe->ramrod_cqe.ramrod_type);
900
901 bp->spq_left++;
902
903 if (FP_IDX(fp)) {
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:
919 BNX2X_ERR("unexpected MC reply (%d) "
920 "fp->state is %x\n", command, fp->state);
921 break;
922 }
923 mb(); /* force bnx2x_wait_ramrod() to see the change */
924 return;
925 }
926
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
939 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
940 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
941 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
942 break;
943
944
945 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
946 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
947 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
948 bp->set_mac_pending = 0;
949 break;
950
951 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
952 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
953 break;
954
955 default:
956 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
957 command, bp->state);
958 break;
959 }
960 mb(); /* force bnx2x_wait_ramrod() to see the change */
961 }
962
963 static 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),
975 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
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
983 static 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
992 static 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
1003 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1004 PCI_DMA_FROMDEVICE);
1005 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
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
1019 static 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
1031 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1032 PCI_DMA_FROMDEVICE);
1033 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
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 */
1052 static 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
1072 static 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
1081 static 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
1095 static 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;
1099 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1100 le16_to_cpu(fp_cqe->len_on_bd)) >>
1101 BCM_PAGE_SHIFT;
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
1148 static 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
1154 /* Clear the two last indices in the page to 1:
1155 these are the indices that correspond to the "next" element,
1156 hence will never be indicated and should be removed from
1157 the calculations. */
1158 bnx2x_clear_sge_mask_next_elems(fp);
1159 }
1160
1161 static 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,
1173 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
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
1200 static 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;
1206 struct page *sge;
1207 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1208 u32 i, frag_len, frag_size, pages;
1209 int err;
1210 int j;
1211
1212 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1213 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1214
1215 /* This is needed in order to enable forwarding support */
1216 if (frag_size)
1217 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1218 max(frag_size, (u32)len_on_bd));
1219
1220 #ifdef BNX2X_STOP_ON_ERROR
1221 if (pages > 8*PAGES_PER_SGE) {
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) */
1237 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1238 rx_pg = &fp->rx_page_ring[sge_idx];
1239 sge = rx_pg->page;
1240 old_rx_pg = *rx_pg;
1241
1242 /* If we fail to allocate a substitute page, we simply stop
1243 where we are and drop the whole packet */
1244 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1245 if (unlikely(err)) {
1246 bp->eth_stats.rx_skb_alloc_failed++;
1247 return err;
1248 }
1249
1250 /* Unmap the page as we r going to pass it to the stack */
1251 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1252 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1253
1254 /* Add one frag and update the appropriate fields in the skb */
1255 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1256
1257 skb->data_len += frag_len;
1258 skb->truesize += frag_len;
1259 skb->len += frag_len;
1260
1261 frag_size -= frag_len;
1262 }
1263
1264 return 0;
1265 }
1266
1267 static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1268 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1269 u16 cqe_idx)
1270 {
1271 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1272 struct sk_buff *skb = rx_buf->skb;
1273 /* alloc new skb */
1274 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1275
1276 /* Unmap skb in the pool anyway, as we are going to change
1277 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1278 fails. */
1279 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1280 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1281
1282 if (likely(new_skb)) {
1283 /* fix ip xsum and give it to the stack */
1284 /* (no need to map the new skb) */
1285
1286 prefetch(skb);
1287 prefetch(((char *)(skb)) + 128);
1288
1289 #ifdef BNX2X_STOP_ON_ERROR
1290 if (pad + len > bp->rx_buf_size) {
1291 BNX2X_ERR("skb_put is about to fail... "
1292 "pad %d len %d rx_buf_size %d\n",
1293 pad, len, bp->rx_buf_size);
1294 bnx2x_panic();
1295 return;
1296 }
1297 #endif
1298
1299 skb_reserve(skb, pad);
1300 skb_put(skb, len);
1301
1302 skb->protocol = eth_type_trans(skb, bp->dev);
1303 skb->ip_summed = CHECKSUM_UNNECESSARY;
1304
1305 {
1306 struct iphdr *iph;
1307
1308 iph = (struct iphdr *)skb->data;
1309 iph->check = 0;
1310 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1311 }
1312
1313 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1314 &cqe->fast_path_cqe, cqe_idx)) {
1315 #ifdef BCM_VLAN
1316 if ((bp->vlgrp != NULL) &&
1317 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1318 PARSING_FLAGS_VLAN))
1319 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1320 le16_to_cpu(cqe->fast_path_cqe.
1321 vlan_tag));
1322 else
1323 #endif
1324 netif_receive_skb(skb);
1325 } else {
1326 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1327 " - dropping packet!\n");
1328 dev_kfree_skb(skb);
1329 }
1330
1331 bp->dev->last_rx = jiffies;
1332
1333 /* put new skb in bin */
1334 fp->tpa_pool[queue].skb = new_skb;
1335
1336 } else {
1337 /* else drop the packet and keep the buffer in the bin */
1338 DP(NETIF_MSG_RX_STATUS,
1339 "Failed to allocate new skb - dropping packet!\n");
1340 bp->eth_stats.rx_skb_alloc_failed++;
1341 }
1342
1343 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1344 }
1345
1346 static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1347 struct bnx2x_fastpath *fp,
1348 u16 bd_prod, u16 rx_comp_prod,
1349 u16 rx_sge_prod)
1350 {
1351 struct tstorm_eth_rx_producers rx_prods = {0};
1352 int i;
1353
1354 /* Update producers */
1355 rx_prods.bd_prod = bd_prod;
1356 rx_prods.cqe_prod = rx_comp_prod;
1357 rx_prods.sge_prod = rx_sge_prod;
1358
1359 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1360 REG_WR(bp, BAR_TSTRORM_INTMEM +
1361 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1362 ((u32 *)&rx_prods)[i]);
1363
1364 DP(NETIF_MSG_RX_STATUS,
1365 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1366 bd_prod, rx_comp_prod, rx_sge_prod);
1367 }
1368
1369 static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1370 {
1371 struct bnx2x *bp = fp->bp;
1372 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
1373 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1374 int rx_pkt = 0;
1375
1376 #ifdef BNX2X_STOP_ON_ERROR
1377 if (unlikely(bp->panic))
1378 return 0;
1379 #endif
1380
1381 /* CQ "next element" is of the size of the regular element,
1382 that's why it's ok here */
1383 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1384 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1385 hw_comp_cons++;
1386
1387 bd_cons = fp->rx_bd_cons;
1388 bd_prod = fp->rx_bd_prod;
1389 bd_prod_fw = bd_prod;
1390 sw_comp_cons = fp->rx_comp_cons;
1391 sw_comp_prod = fp->rx_comp_prod;
1392
1393 /* Memory barrier necessary as speculative reads of the rx
1394 * buffer can be ahead of the index in the status block
1395 */
1396 rmb();
1397
1398 DP(NETIF_MSG_RX_STATUS,
1399 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
1400 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
1401
1402 while (sw_comp_cons != hw_comp_cons) {
1403 struct sw_rx_bd *rx_buf = NULL;
1404 struct sk_buff *skb;
1405 union eth_rx_cqe *cqe;
1406 u8 cqe_fp_flags;
1407 u16 len, pad;
1408
1409 comp_ring_cons = RCQ_BD(sw_comp_cons);
1410 bd_prod = RX_BD(bd_prod);
1411 bd_cons = RX_BD(bd_cons);
1412
1413 cqe = &fp->rx_comp_ring[comp_ring_cons];
1414 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1415
1416 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
1417 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1418 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
1419 cqe->fast_path_cqe.rss_hash_result,
1420 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1421 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
1422
1423 /* is this a slowpath msg? */
1424 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
1425 bnx2x_sp_event(fp, cqe);
1426 goto next_cqe;
1427
1428 /* this is an rx packet */
1429 } else {
1430 rx_buf = &fp->rx_buf_ring[bd_cons];
1431 skb = rx_buf->skb;
1432 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1433 pad = cqe->fast_path_cqe.placement_offset;
1434
1435 /* If CQE is marked both TPA_START and TPA_END
1436 it is a non-TPA CQE */
1437 if ((!fp->disable_tpa) &&
1438 (TPA_TYPE(cqe_fp_flags) !=
1439 (TPA_TYPE_START | TPA_TYPE_END))) {
1440 u16 queue = cqe->fast_path_cqe.queue_index;
1441
1442 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1443 DP(NETIF_MSG_RX_STATUS,
1444 "calling tpa_start on queue %d\n",
1445 queue);
1446
1447 bnx2x_tpa_start(fp, queue, skb,
1448 bd_cons, bd_prod);
1449 goto next_rx;
1450 }
1451
1452 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1453 DP(NETIF_MSG_RX_STATUS,
1454 "calling tpa_stop on queue %d\n",
1455 queue);
1456
1457 if (!BNX2X_RX_SUM_FIX(cqe))
1458 BNX2X_ERR("STOP on none TCP "
1459 "data\n");
1460
1461 /* This is a size of the linear data
1462 on this skb */
1463 len = le16_to_cpu(cqe->fast_path_cqe.
1464 len_on_bd);
1465 bnx2x_tpa_stop(bp, fp, queue, pad,
1466 len, cqe, comp_ring_cons);
1467 #ifdef BNX2X_STOP_ON_ERROR
1468 if (bp->panic)
1469 return -EINVAL;
1470 #endif
1471
1472 bnx2x_update_sge_prod(fp,
1473 &cqe->fast_path_cqe);
1474 goto next_cqe;
1475 }
1476 }
1477
1478 pci_dma_sync_single_for_device(bp->pdev,
1479 pci_unmap_addr(rx_buf, mapping),
1480 pad + RX_COPY_THRESH,
1481 PCI_DMA_FROMDEVICE);
1482 prefetch(skb);
1483 prefetch(((char *)(skb)) + 128);
1484
1485 /* is this an error packet? */
1486 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
1487 DP(NETIF_MSG_RX_ERR,
1488 "ERROR flags %x rx packet %u\n",
1489 cqe_fp_flags, sw_comp_cons);
1490 bp->eth_stats.rx_err_discard_pkt++;
1491 goto reuse_rx;
1492 }
1493
1494 /* Since we don't have a jumbo ring
1495 * copy small packets if mtu > 1500
1496 */
1497 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1498 (len <= RX_COPY_THRESH)) {
1499 struct sk_buff *new_skb;
1500
1501 new_skb = netdev_alloc_skb(bp->dev,
1502 len + pad);
1503 if (new_skb == NULL) {
1504 DP(NETIF_MSG_RX_ERR,
1505 "ERROR packet dropped "
1506 "because of alloc failure\n");
1507 bp->eth_stats.rx_skb_alloc_failed++;
1508 goto reuse_rx;
1509 }
1510
1511 /* aligned copy */
1512 skb_copy_from_linear_data_offset(skb, pad,
1513 new_skb->data + pad, len);
1514 skb_reserve(new_skb, pad);
1515 skb_put(new_skb, len);
1516
1517 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1518
1519 skb = new_skb;
1520
1521 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1522 pci_unmap_single(bp->pdev,
1523 pci_unmap_addr(rx_buf, mapping),
1524 bp->rx_buf_use_size,
1525 PCI_DMA_FROMDEVICE);
1526 skb_reserve(skb, pad);
1527 skb_put(skb, len);
1528
1529 } else {
1530 DP(NETIF_MSG_RX_ERR,
1531 "ERROR packet dropped because "
1532 "of alloc failure\n");
1533 bp->eth_stats.rx_skb_alloc_failed++;
1534 reuse_rx:
1535 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1536 goto next_rx;
1537 }
1538
1539 skb->protocol = eth_type_trans(skb, bp->dev);
1540
1541 skb->ip_summed = CHECKSUM_NONE;
1542 if (bp->rx_csum) {
1543 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1544 skb->ip_summed = CHECKSUM_UNNECESSARY;
1545 else
1546 bp->eth_stats.hw_csum_err++;
1547 }
1548 }
1549
1550 #ifdef BCM_VLAN
1551 if ((bp->vlgrp != NULL) &&
1552 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1553 PARSING_FLAGS_VLAN))
1554 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1555 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1556 else
1557 #endif
1558 netif_receive_skb(skb);
1559
1560 bp->dev->last_rx = jiffies;
1561
1562 next_rx:
1563 rx_buf->skb = NULL;
1564
1565 bd_cons = NEXT_RX_IDX(bd_cons);
1566 bd_prod = NEXT_RX_IDX(bd_prod);
1567 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1568 rx_pkt++;
1569 next_cqe:
1570 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1571 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
1572
1573 if (rx_pkt == budget)
1574 break;
1575 } /* while */
1576
1577 fp->rx_bd_cons = bd_cons;
1578 fp->rx_bd_prod = bd_prod_fw;
1579 fp->rx_comp_cons = sw_comp_cons;
1580 fp->rx_comp_prod = sw_comp_prod;
1581
1582 /* Update producers */
1583 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1584 fp->rx_sge_prod);
1585 mmiowb(); /* keep prod updates ordered */
1586
1587 fp->rx_pkt += rx_pkt;
1588 fp->rx_calls++;
1589
1590 return rx_pkt;
1591 }
1592
1593 static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1594 {
1595 struct bnx2x_fastpath *fp = fp_cookie;
1596 struct bnx2x *bp = fp->bp;
1597 struct net_device *dev = bp->dev;
1598 int index = FP_IDX(fp);
1599
1600 /* Return here if interrupt is disabled */
1601 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1602 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1603 return IRQ_HANDLED;
1604 }
1605
1606 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1607 index, FP_SB_ID(fp));
1608 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
1609
1610 #ifdef BNX2X_STOP_ON_ERROR
1611 if (unlikely(bp->panic))
1612 return IRQ_HANDLED;
1613 #endif
1614
1615 prefetch(fp->rx_cons_sb);
1616 prefetch(fp->tx_cons_sb);
1617 prefetch(&fp->status_blk->c_status_block.status_block_index);
1618 prefetch(&fp->status_blk->u_status_block.status_block_index);
1619
1620 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
1621
1622 return IRQ_HANDLED;
1623 }
1624
1625 static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1626 {
1627 struct net_device *dev = dev_instance;
1628 struct bnx2x *bp = netdev_priv(dev);
1629 u16 status = bnx2x_ack_int(bp);
1630 u16 mask;
1631
1632 /* Return here if interrupt is shared and it's not for us */
1633 if (unlikely(status == 0)) {
1634 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1635 return IRQ_NONE;
1636 }
1637 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
1638
1639 /* Return here if interrupt is disabled */
1640 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1641 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1642 return IRQ_HANDLED;
1643 }
1644
1645 #ifdef BNX2X_STOP_ON_ERROR
1646 if (unlikely(bp->panic))
1647 return IRQ_HANDLED;
1648 #endif
1649
1650 mask = 0x2 << bp->fp[0].sb_id;
1651 if (status & mask) {
1652 struct bnx2x_fastpath *fp = &bp->fp[0];
1653
1654 prefetch(fp->rx_cons_sb);
1655 prefetch(fp->tx_cons_sb);
1656 prefetch(&fp->status_blk->c_status_block.status_block_index);
1657 prefetch(&fp->status_blk->u_status_block.status_block_index);
1658
1659 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1660
1661 status &= ~mask;
1662 }
1663
1664
1665 if (unlikely(status & 0x1)) {
1666 schedule_work(&bp->sp_task);
1667
1668 status &= ~0x1;
1669 if (!status)
1670 return IRQ_HANDLED;
1671 }
1672
1673 if (status)
1674 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1675 status);
1676
1677 return IRQ_HANDLED;
1678 }
1679
1680 /* end of fast path */
1681
1682 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
1683
1684 /* Link */
1685
1686 /*
1687 * General service functions
1688 */
1689
1690 static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1691 {
1692 u32 lock_status;
1693 u32 resource_bit = (1 << resource);
1694 int func = BP_FUNC(bp);
1695 u32 hw_lock_control_reg;
1696 int cnt;
1697
1698 /* Validating that the resource is within range */
1699 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1700 DP(NETIF_MSG_HW,
1701 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1702 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1703 return -EINVAL;
1704 }
1705
1706 if (func <= 5) {
1707 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1708 } else {
1709 hw_lock_control_reg =
1710 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1711 }
1712
1713 /* Validating that the resource is not already taken */
1714 lock_status = REG_RD(bp, hw_lock_control_reg);
1715 if (lock_status & resource_bit) {
1716 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1717 lock_status, resource_bit);
1718 return -EEXIST;
1719 }
1720
1721 /* Try for 1 second every 5ms */
1722 for (cnt = 0; cnt < 200; cnt++) {
1723 /* Try to acquire the lock */
1724 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1725 lock_status = REG_RD(bp, hw_lock_control_reg);
1726 if (lock_status & resource_bit)
1727 return 0;
1728
1729 msleep(5);
1730 }
1731 DP(NETIF_MSG_HW, "Timeout\n");
1732 return -EAGAIN;
1733 }
1734
1735 static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1736 {
1737 u32 lock_status;
1738 u32 resource_bit = (1 << resource);
1739 int func = BP_FUNC(bp);
1740 u32 hw_lock_control_reg;
1741
1742 /* Validating that the resource is within range */
1743 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1744 DP(NETIF_MSG_HW,
1745 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1746 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1747 return -EINVAL;
1748 }
1749
1750 if (func <= 5) {
1751 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1752 } else {
1753 hw_lock_control_reg =
1754 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1755 }
1756
1757 /* Validating that the resource is currently taken */
1758 lock_status = REG_RD(bp, hw_lock_control_reg);
1759 if (!(lock_status & resource_bit)) {
1760 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1761 lock_status, resource_bit);
1762 return -EFAULT;
1763 }
1764
1765 REG_WR(bp, hw_lock_control_reg, resource_bit);
1766 return 0;
1767 }
1768
1769 /* HW Lock for shared dual port PHYs */
1770 static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
1771 {
1772 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1773
1774 mutex_lock(&bp->port.phy_mutex);
1775
1776 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1777 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1778 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1779 }
1780
1781 static void bnx2x_release_phy_lock(struct bnx2x *bp)
1782 {
1783 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1784
1785 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1786 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1787 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1788
1789 mutex_unlock(&bp->port.phy_mutex);
1790 }
1791
1792 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1793 {
1794 /* The GPIO should be swapped if swap register is set and active */
1795 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1796 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1797 int gpio_shift = gpio_num +
1798 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1799 u32 gpio_mask = (1 << gpio_shift);
1800 u32 gpio_reg;
1801
1802 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1803 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1804 return -EINVAL;
1805 }
1806
1807 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1808 /* read GPIO and mask except the float bits */
1809 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1810
1811 switch (mode) {
1812 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1813 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1814 gpio_num, gpio_shift);
1815 /* clear FLOAT and set CLR */
1816 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1817 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1818 break;
1819
1820 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1821 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1822 gpio_num, gpio_shift);
1823 /* clear FLOAT and set SET */
1824 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1825 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1826 break;
1827
1828 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1829 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1830 gpio_num, gpio_shift);
1831 /* set FLOAT */
1832 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1833 break;
1834
1835 default:
1836 break;
1837 }
1838
1839 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1840 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1841
1842 return 0;
1843 }
1844
1845 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1846 {
1847 u32 spio_mask = (1 << spio_num);
1848 u32 spio_reg;
1849
1850 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1851 (spio_num > MISC_REGISTERS_SPIO_7)) {
1852 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1853 return -EINVAL;
1854 }
1855
1856 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1857 /* read SPIO and mask except the float bits */
1858 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1859
1860 switch (mode) {
1861 case MISC_REGISTERS_SPIO_OUTPUT_LOW :
1862 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1863 /* clear FLOAT and set CLR */
1864 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1865 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1866 break;
1867
1868 case MISC_REGISTERS_SPIO_OUTPUT_HIGH :
1869 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1870 /* clear FLOAT and set SET */
1871 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1872 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1873 break;
1874
1875 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1876 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1877 /* set FLOAT */
1878 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1879 break;
1880
1881 default:
1882 break;
1883 }
1884
1885 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1886 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1887
1888 return 0;
1889 }
1890
1891 static void bnx2x_calc_fc_adv(struct bnx2x *bp)
1892 {
1893 switch (bp->link_vars.ieee_fc) {
1894 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1895 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1896 ADVERTISED_Pause);
1897 break;
1898 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1899 bp->port.advertising |= (ADVERTISED_Asym_Pause |
1900 ADVERTISED_Pause);
1901 break;
1902 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1903 bp->port.advertising |= ADVERTISED_Asym_Pause;
1904 break;
1905 default:
1906 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1907 ADVERTISED_Pause);
1908 break;
1909 }
1910 }
1911
1912 static void bnx2x_link_report(struct bnx2x *bp)
1913 {
1914 if (bp->link_vars.link_up) {
1915 if (bp->state == BNX2X_STATE_OPEN)
1916 netif_carrier_on(bp->dev);
1917 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1918
1919 printk("%d Mbps ", bp->link_vars.line_speed);
1920
1921 if (bp->link_vars.duplex == DUPLEX_FULL)
1922 printk("full duplex");
1923 else
1924 printk("half duplex");
1925
1926 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1927 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
1928 printk(", receive ");
1929 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
1930 printk("& transmit ");
1931 } else {
1932 printk(", transmit ");
1933 }
1934 printk("flow control ON");
1935 }
1936 printk("\n");
1937
1938 } else { /* link_down */
1939 netif_carrier_off(bp->dev);
1940 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
1941 }
1942 }
1943
1944 static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
1945 {
1946 if (!BP_NOMCP(bp)) {
1947 u8 rc;
1948
1949 /* Initialize link parameters structure variables */
1950 /* It is recommended to turn off RX FC for jumbo frames
1951 for better performance */
1952 if (IS_E1HMF(bp))
1953 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1954 else if (bp->dev->mtu > 5000)
1955 bp->link_params.req_fc_auto_adv = FLOW_CTRL_TX;
1956 else
1957 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1958
1959 bnx2x_acquire_phy_lock(bp);
1960 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1961 bnx2x_release_phy_lock(bp);
1962
1963 if (bp->link_vars.link_up)
1964 bnx2x_link_report(bp);
1965
1966 bnx2x_calc_fc_adv(bp);
1967
1968 return rc;
1969 }
1970 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1971 return -EINVAL;
1972 }
1973
1974 static void bnx2x_link_set(struct bnx2x *bp)
1975 {
1976 if (!BP_NOMCP(bp)) {
1977 bnx2x_acquire_phy_lock(bp);
1978 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1979 bnx2x_release_phy_lock(bp);
1980
1981 bnx2x_calc_fc_adv(bp);
1982 } else
1983 BNX2X_ERR("Bootcode is missing -not setting link\n");
1984 }
1985
1986 static void bnx2x__link_reset(struct bnx2x *bp)
1987 {
1988 if (!BP_NOMCP(bp)) {
1989 bnx2x_acquire_phy_lock(bp);
1990 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
1991 bnx2x_release_phy_lock(bp);
1992 } else
1993 BNX2X_ERR("Bootcode is missing -not resetting link\n");
1994 }
1995
1996 static u8 bnx2x_link_test(struct bnx2x *bp)
1997 {
1998 u8 rc;
1999
2000 bnx2x_acquire_phy_lock(bp);
2001 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
2002 bnx2x_release_phy_lock(bp);
2003
2004 return rc;
2005 }
2006
2007 /* Calculates the sum of vn_min_rates.
2008 It's needed for further normalizing of the min_rates.
2009
2010 Returns:
2011 sum of vn_min_rates
2012 or
2013 0 - if all the min_rates are 0.
2014 In the later case fairness algorithm should be deactivated.
2015 If not all min_rates are zero then those that are zeroes will
2016 be set to 1.
2017 */
2018 static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2019 {
2020 int i, port = BP_PORT(bp);
2021 u32 wsum = 0;
2022 int all_zero = 1;
2023
2024 for (i = 0; i < E1HVN_MAX; i++) {
2025 u32 vn_cfg =
2026 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2027 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2028 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2029 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2030 /* If min rate is zero - set it to 1 */
2031 if (!vn_min_rate)
2032 vn_min_rate = DEF_MIN_RATE;
2033 else
2034 all_zero = 0;
2035
2036 wsum += vn_min_rate;
2037 }
2038 }
2039
2040 /* ... only if all min rates are zeros - disable FAIRNESS */
2041 if (all_zero)
2042 return 0;
2043
2044 return wsum;
2045 }
2046
2047 static void bnx2x_init_port_minmax(struct bnx2x *bp,
2048 int en_fness,
2049 u16 port_rate,
2050 struct cmng_struct_per_port *m_cmng_port)
2051 {
2052 u32 r_param = port_rate / 8;
2053 int port = BP_PORT(bp);
2054 int i;
2055
2056 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2057
2058 /* Enable minmax only if we are in e1hmf mode */
2059 if (IS_E1HMF(bp)) {
2060 u32 fair_periodic_timeout_usec;
2061 u32 t_fair;
2062
2063 /* Enable rate shaping and fairness */
2064 m_cmng_port->flags.cmng_vn_enable = 1;
2065 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2066 m_cmng_port->flags.rate_shaping_enable = 1;
2067
2068 if (!en_fness)
2069 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2070 " fairness will be disabled\n");
2071
2072 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2073 m_cmng_port->rs_vars.rs_periodic_timeout =
2074 RS_PERIODIC_TIMEOUT_USEC / 4;
2075
2076 /* this is the threshold below which no timer arming will occur
2077 1.25 coefficient is for the threshold to be a little bigger
2078 than the real time, to compensate for timer in-accuracy */
2079 m_cmng_port->rs_vars.rs_threshold =
2080 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2081
2082 /* resolution of fairness timer */
2083 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2084 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2085 t_fair = T_FAIR_COEF / port_rate;
2086
2087 /* this is the threshold below which we won't arm
2088 the timer anymore */
2089 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2090
2091 /* we multiply by 1e3/8 to get bytes/msec.
2092 We don't want the credits to pass a credit
2093 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2094 m_cmng_port->fair_vars.upper_bound =
2095 r_param * t_fair * FAIR_MEM;
2096 /* since each tick is 4 usec */
2097 m_cmng_port->fair_vars.fairness_timeout =
2098 fair_periodic_timeout_usec / 4;
2099
2100 } else {
2101 /* Disable rate shaping and fairness */
2102 m_cmng_port->flags.cmng_vn_enable = 0;
2103 m_cmng_port->flags.fairness_enable = 0;
2104 m_cmng_port->flags.rate_shaping_enable = 0;
2105
2106 DP(NETIF_MSG_IFUP,
2107 "Single function mode minmax will be disabled\n");
2108 }
2109
2110 /* Store it to internal memory */
2111 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2112 REG_WR(bp, BAR_XSTRORM_INTMEM +
2113 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2114 ((u32 *)(m_cmng_port))[i]);
2115 }
2116
2117 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2118 u32 wsum, u16 port_rate,
2119 struct cmng_struct_per_port *m_cmng_port)
2120 {
2121 struct rate_shaping_vars_per_vn m_rs_vn;
2122 struct fairness_vars_per_vn m_fair_vn;
2123 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2124 u16 vn_min_rate, vn_max_rate;
2125 int i;
2126
2127 /* If function is hidden - set min and max to zeroes */
2128 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2129 vn_min_rate = 0;
2130 vn_max_rate = 0;
2131
2132 } else {
2133 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2134 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2135 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2136 if current min rate is zero - set it to 1.
2137 This is a requirement of the algorithm. */
2138 if ((vn_min_rate == 0) && wsum)
2139 vn_min_rate = DEF_MIN_RATE;
2140 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2141 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2142 }
2143
2144 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2145 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2146
2147 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2148 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2149
2150 /* global vn counter - maximal Mbps for this vn */
2151 m_rs_vn.vn_counter.rate = vn_max_rate;
2152
2153 /* quota - number of bytes transmitted in this period */
2154 m_rs_vn.vn_counter.quota =
2155 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2156
2157 #ifdef BNX2X_PER_PROT_QOS
2158 /* per protocol counter */
2159 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2160 /* maximal Mbps for this protocol */
2161 m_rs_vn.protocol_counters[protocol].rate =
2162 protocol_max_rate[protocol];
2163 /* the quota in each timer period -
2164 number of bytes transmitted in this period */
2165 m_rs_vn.protocol_counters[protocol].quota =
2166 (u32)(rs_periodic_timeout_usec *
2167 ((double)m_rs_vn.
2168 protocol_counters[protocol].rate/8));
2169 }
2170 #endif
2171
2172 if (wsum) {
2173 /* credit for each period of the fairness algorithm:
2174 number of bytes in T_FAIR (the vn share the port rate).
2175 wsum should not be larger than 10000, thus
2176 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2177 m_fair_vn.vn_credit_delta =
2178 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2179 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2180 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2181 m_fair_vn.vn_credit_delta);
2182 }
2183
2184 #ifdef BNX2X_PER_PROT_QOS
2185 do {
2186 u32 protocolWeightSum = 0;
2187
2188 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2189 protocolWeightSum +=
2190 drvInit.protocol_min_rate[protocol];
2191 /* per protocol counter -
2192 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2193 if (protocolWeightSum > 0) {
2194 for (protocol = 0;
2195 protocol < NUM_OF_PROTOCOLS; protocol++)
2196 /* credit for each period of the
2197 fairness algorithm - number of bytes in
2198 T_FAIR (the protocol share the vn rate) */
2199 m_fair_vn.protocol_credit_delta[protocol] =
2200 (u32)((vn_min_rate / 8) * t_fair *
2201 protocol_min_rate / protocolWeightSum);
2202 }
2203 } while (0);
2204 #endif
2205
2206 /* Store it to internal memory */
2207 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2208 REG_WR(bp, BAR_XSTRORM_INTMEM +
2209 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2210 ((u32 *)(&m_rs_vn))[i]);
2211
2212 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2213 REG_WR(bp, BAR_XSTRORM_INTMEM +
2214 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2215 ((u32 *)(&m_fair_vn))[i]);
2216 }
2217
2218 /* This function is called upon link interrupt */
2219 static void bnx2x_link_attn(struct bnx2x *bp)
2220 {
2221 int vn;
2222
2223 /* Make sure that we are synced with the current statistics */
2224 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2225
2226 bnx2x_acquire_phy_lock(bp);
2227 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2228 bnx2x_release_phy_lock(bp);
2229
2230 if (bp->link_vars.link_up) {
2231
2232 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2233 struct host_port_stats *pstats;
2234
2235 pstats = bnx2x_sp(bp, port_stats);
2236 /* reset old bmac stats */
2237 memset(&(pstats->mac_stx[0]), 0,
2238 sizeof(struct mac_stx));
2239 }
2240 if ((bp->state == BNX2X_STATE_OPEN) ||
2241 (bp->state == BNX2X_STATE_DISABLED))
2242 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2243 }
2244
2245 /* indicate link status */
2246 bnx2x_link_report(bp);
2247
2248 if (IS_E1HMF(bp)) {
2249 int func;
2250
2251 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2252 if (vn == BP_E1HVN(bp))
2253 continue;
2254
2255 func = ((vn << 1) | BP_PORT(bp));
2256
2257 /* Set the attention towards other drivers
2258 on the same port */
2259 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2260 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2261 }
2262 }
2263
2264 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2265 struct cmng_struct_per_port m_cmng_port;
2266 u32 wsum;
2267 int port = BP_PORT(bp);
2268
2269 /* Init RATE SHAPING and FAIRNESS contexts */
2270 wsum = bnx2x_calc_vn_wsum(bp);
2271 bnx2x_init_port_minmax(bp, (int)wsum,
2272 bp->link_vars.line_speed,
2273 &m_cmng_port);
2274 if (IS_E1HMF(bp))
2275 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2276 bnx2x_init_vn_minmax(bp, 2*vn + port,
2277 wsum, bp->link_vars.line_speed,
2278 &m_cmng_port);
2279 }
2280 }
2281
2282 static void bnx2x__link_status_update(struct bnx2x *bp)
2283 {
2284 if (bp->state != BNX2X_STATE_OPEN)
2285 return;
2286
2287 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2288
2289 if (bp->link_vars.link_up)
2290 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2291 else
2292 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2293
2294 /* indicate link status */
2295 bnx2x_link_report(bp);
2296 }
2297
2298 static void bnx2x_pmf_update(struct bnx2x *bp)
2299 {
2300 int port = BP_PORT(bp);
2301 u32 val;
2302
2303 bp->port.pmf = 1;
2304 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2305
2306 /* enable nig attention */
2307 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2308 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2309 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2310
2311 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2312 }
2313
2314 /* end of Link */
2315
2316 /* slow path */
2317
2318 /*
2319 * General service functions
2320 */
2321
2322 /* the slow path queue is odd since completions arrive on the fastpath ring */
2323 static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2324 u32 data_hi, u32 data_lo, int common)
2325 {
2326 int func = BP_FUNC(bp);
2327
2328 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2329 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
2330 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2331 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2332 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2333
2334 #ifdef BNX2X_STOP_ON_ERROR
2335 if (unlikely(bp->panic))
2336 return -EIO;
2337 #endif
2338
2339 spin_lock_bh(&bp->spq_lock);
2340
2341 if (!bp->spq_left) {
2342 BNX2X_ERR("BUG! SPQ ring full!\n");
2343 spin_unlock_bh(&bp->spq_lock);
2344 bnx2x_panic();
2345 return -EBUSY;
2346 }
2347
2348 /* CID needs port number to be encoded int it */
2349 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2350 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2351 HW_CID(bp, cid)));
2352 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2353 if (common)
2354 bp->spq_prod_bd->hdr.type |=
2355 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2356
2357 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2358 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2359
2360 bp->spq_left--;
2361
2362 if (bp->spq_prod_bd == bp->spq_last_bd) {
2363 bp->spq_prod_bd = bp->spq;
2364 bp->spq_prod_idx = 0;
2365 DP(NETIF_MSG_TIMER, "end of spq\n");
2366
2367 } else {
2368 bp->spq_prod_bd++;
2369 bp->spq_prod_idx++;
2370 }
2371
2372 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2373 bp->spq_prod_idx);
2374
2375 spin_unlock_bh(&bp->spq_lock);
2376 return 0;
2377 }
2378
2379 /* acquire split MCP access lock register */
2380 static int bnx2x_acquire_alr(struct bnx2x *bp)
2381 {
2382 u32 i, j, val;
2383 int rc = 0;
2384
2385 might_sleep();
2386 i = 100;
2387 for (j = 0; j < i*10; j++) {
2388 val = (1UL << 31);
2389 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2390 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2391 if (val & (1L << 31))
2392 break;
2393
2394 msleep(5);
2395 }
2396 if (!(val & (1L << 31))) {
2397 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2398 rc = -EBUSY;
2399 }
2400
2401 return rc;
2402 }
2403
2404 /* release split MCP access lock register */
2405 static void bnx2x_release_alr(struct bnx2x *bp)
2406 {
2407 u32 val = 0;
2408
2409 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2410 }
2411
2412 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2413 {
2414 struct host_def_status_block *def_sb = bp->def_status_blk;
2415 u16 rc = 0;
2416
2417 barrier(); /* status block is written to by the chip */
2418 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2419 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2420 rc |= 1;
2421 }
2422 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2423 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2424 rc |= 2;
2425 }
2426 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2427 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2428 rc |= 4;
2429 }
2430 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2431 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2432 rc |= 8;
2433 }
2434 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2435 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2436 rc |= 16;
2437 }
2438 return rc;
2439 }
2440
2441 /*
2442 * slow path service functions
2443 */
2444
2445 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2446 {
2447 int port = BP_PORT(bp);
2448 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2449 COMMAND_REG_ATTN_BITS_SET);
2450 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2451 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2452 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2453 NIG_REG_MASK_INTERRUPT_PORT0;
2454 u32 aeu_mask;
2455
2456 if (bp->attn_state & asserted)
2457 BNX2X_ERR("IGU ERROR\n");
2458
2459 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2460 aeu_mask = REG_RD(bp, aeu_addr);
2461
2462 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2463 aeu_mask, asserted);
2464 aeu_mask &= ~(asserted & 0xff);
2465 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2466
2467 REG_WR(bp, aeu_addr, aeu_mask);
2468 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2469
2470 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2471 bp->attn_state |= asserted;
2472 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2473
2474 if (asserted & ATTN_HARD_WIRED_MASK) {
2475 if (asserted & ATTN_NIG_FOR_FUNC) {
2476
2477 /* save nig interrupt mask */
2478 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2479 REG_WR(bp, nig_int_mask_addr, 0);
2480
2481 bnx2x_link_attn(bp);
2482
2483 /* handle unicore attn? */
2484 }
2485 if (asserted & ATTN_SW_TIMER_4_FUNC)
2486 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2487
2488 if (asserted & GPIO_2_FUNC)
2489 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2490
2491 if (asserted & GPIO_3_FUNC)
2492 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2493
2494 if (asserted & GPIO_4_FUNC)
2495 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2496
2497 if (port == 0) {
2498 if (asserted & ATTN_GENERAL_ATTN_1) {
2499 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2500 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2501 }
2502 if (asserted & ATTN_GENERAL_ATTN_2) {
2503 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2504 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2505 }
2506 if (asserted & ATTN_GENERAL_ATTN_3) {
2507 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2508 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2509 }
2510 } else {
2511 if (asserted & ATTN_GENERAL_ATTN_4) {
2512 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2513 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2514 }
2515 if (asserted & ATTN_GENERAL_ATTN_5) {
2516 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2517 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2518 }
2519 if (asserted & ATTN_GENERAL_ATTN_6) {
2520 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2521 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2522 }
2523 }
2524
2525 } /* if hardwired */
2526
2527 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2528 asserted, hc_addr);
2529 REG_WR(bp, hc_addr, asserted);
2530
2531 /* now set back the mask */
2532 if (asserted & ATTN_NIG_FOR_FUNC)
2533 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2534 }
2535
2536 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2537 {
2538 int port = BP_PORT(bp);
2539 int reg_offset;
2540 u32 val;
2541
2542 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2543 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2544
2545 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2546
2547 val = REG_RD(bp, reg_offset);
2548 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2549 REG_WR(bp, reg_offset, val);
2550
2551 BNX2X_ERR("SPIO5 hw attention\n");
2552
2553 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2554 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2555 /* Fan failure attention */
2556
2557 /* The PHY reset is controlled by GPIO 1 */
2558 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2559 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2560 /* Low power mode is controlled by GPIO 2 */
2561 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2562 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2563 /* mark the failure */
2564 bp->link_params.ext_phy_config &=
2565 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2566 bp->link_params.ext_phy_config |=
2567 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2568 SHMEM_WR(bp,
2569 dev_info.port_hw_config[port].
2570 external_phy_config,
2571 bp->link_params.ext_phy_config);
2572 /* log the failure */
2573 printk(KERN_ERR PFX "Fan Failure on Network"
2574 " Controller %s has caused the driver to"
2575 " shutdown the card to prevent permanent"
2576 " damage. Please contact Dell Support for"
2577 " assistance\n", bp->dev->name);
2578 break;
2579
2580 default:
2581 break;
2582 }
2583 }
2584
2585 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2586
2587 val = REG_RD(bp, reg_offset);
2588 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2589 REG_WR(bp, reg_offset, val);
2590
2591 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2592 (attn & HW_INTERRUT_ASSERT_SET_0));
2593 bnx2x_panic();
2594 }
2595 }
2596
2597 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2598 {
2599 u32 val;
2600
2601 if (attn & BNX2X_DOORQ_ASSERT) {
2602
2603 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2604 BNX2X_ERR("DB hw attention 0x%x\n", val);
2605 /* DORQ discard attention */
2606 if (val & 0x2)
2607 BNX2X_ERR("FATAL error from DORQ\n");
2608 }
2609
2610 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2611
2612 int port = BP_PORT(bp);
2613 int reg_offset;
2614
2615 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2616 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2617
2618 val = REG_RD(bp, reg_offset);
2619 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2620 REG_WR(bp, reg_offset, val);
2621
2622 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2623 (attn & HW_INTERRUT_ASSERT_SET_1));
2624 bnx2x_panic();
2625 }
2626 }
2627
2628 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2629 {
2630 u32 val;
2631
2632 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2633
2634 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2635 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2636 /* CFC error attention */
2637 if (val & 0x2)
2638 BNX2X_ERR("FATAL error from CFC\n");
2639 }
2640
2641 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2642
2643 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2644 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2645 /* RQ_USDMDP_FIFO_OVERFLOW */
2646 if (val & 0x18000)
2647 BNX2X_ERR("FATAL error from PXP\n");
2648 }
2649
2650 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2651
2652 int port = BP_PORT(bp);
2653 int reg_offset;
2654
2655 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2656 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2657
2658 val = REG_RD(bp, reg_offset);
2659 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2660 REG_WR(bp, reg_offset, val);
2661
2662 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2663 (attn & HW_INTERRUT_ASSERT_SET_2));
2664 bnx2x_panic();
2665 }
2666 }
2667
2668 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2669 {
2670 u32 val;
2671
2672 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2673
2674 if (attn & BNX2X_PMF_LINK_ASSERT) {
2675 int func = BP_FUNC(bp);
2676
2677 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2678 bnx2x__link_status_update(bp);
2679 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2680 DRV_STATUS_PMF)
2681 bnx2x_pmf_update(bp);
2682
2683 } else if (attn & BNX2X_MC_ASSERT_BITS) {
2684
2685 BNX2X_ERR("MC assert!\n");
2686 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2687 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2688 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2689 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2690 bnx2x_panic();
2691
2692 } else if (attn & BNX2X_MCP_ASSERT) {
2693
2694 BNX2X_ERR("MCP assert!\n");
2695 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
2696 bnx2x_fw_dump(bp);
2697
2698 } else
2699 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2700 }
2701
2702 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2703 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2704 if (attn & BNX2X_GRC_TIMEOUT) {
2705 val = CHIP_IS_E1H(bp) ?
2706 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2707 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2708 }
2709 if (attn & BNX2X_GRC_RSV) {
2710 val = CHIP_IS_E1H(bp) ?
2711 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2712 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2713 }
2714 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
2715 }
2716 }
2717
2718 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2719 {
2720 struct attn_route attn;
2721 struct attn_route group_mask;
2722 int port = BP_PORT(bp);
2723 int index;
2724 u32 reg_addr;
2725 u32 val;
2726 u32 aeu_mask;
2727
2728 /* need to take HW lock because MCP or other port might also
2729 try to handle this event */
2730 bnx2x_acquire_alr(bp);
2731
2732 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2733 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2734 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2735 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
2736 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2737 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
2738
2739 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2740 if (deasserted & (1 << index)) {
2741 group_mask = bp->attn_group[index];
2742
2743 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2744 index, group_mask.sig[0], group_mask.sig[1],
2745 group_mask.sig[2], group_mask.sig[3]);
2746
2747 bnx2x_attn_int_deasserted3(bp,
2748 attn.sig[3] & group_mask.sig[3]);
2749 bnx2x_attn_int_deasserted1(bp,
2750 attn.sig[1] & group_mask.sig[1]);
2751 bnx2x_attn_int_deasserted2(bp,
2752 attn.sig[2] & group_mask.sig[2]);
2753 bnx2x_attn_int_deasserted0(bp,
2754 attn.sig[0] & group_mask.sig[0]);
2755
2756 if ((attn.sig[0] & group_mask.sig[0] &
2757 HW_PRTY_ASSERT_SET_0) ||
2758 (attn.sig[1] & group_mask.sig[1] &
2759 HW_PRTY_ASSERT_SET_1) ||
2760 (attn.sig[2] & group_mask.sig[2] &
2761 HW_PRTY_ASSERT_SET_2))
2762 BNX2X_ERR("FATAL HW block parity attention\n");
2763 }
2764 }
2765
2766 bnx2x_release_alr(bp);
2767
2768 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
2769
2770 val = ~deasserted;
2771 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2772 val, reg_addr);
2773 REG_WR(bp, reg_addr, val);
2774
2775 if (~bp->attn_state & deasserted)
2776 BNX2X_ERR("IGU ERROR\n");
2777
2778 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2779 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2780
2781 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2782 aeu_mask = REG_RD(bp, reg_addr);
2783
2784 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2785 aeu_mask, deasserted);
2786 aeu_mask |= (deasserted & 0xff);
2787 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2788
2789 REG_WR(bp, reg_addr, aeu_mask);
2790 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2791
2792 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2793 bp->attn_state &= ~deasserted;
2794 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2795 }
2796
2797 static void bnx2x_attn_int(struct bnx2x *bp)
2798 {
2799 /* read local copy of bits */
2800 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2801 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2802 u32 attn_state = bp->attn_state;
2803
2804 /* look for changed bits */
2805 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2806 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2807
2808 DP(NETIF_MSG_HW,
2809 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2810 attn_bits, attn_ack, asserted, deasserted);
2811
2812 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
2813 BNX2X_ERR("BAD attention state\n");
2814
2815 /* handle bits that were raised */
2816 if (asserted)
2817 bnx2x_attn_int_asserted(bp, asserted);
2818
2819 if (deasserted)
2820 bnx2x_attn_int_deasserted(bp, deasserted);
2821 }
2822
2823 static void bnx2x_sp_task(struct work_struct *work)
2824 {
2825 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2826 u16 status;
2827
2828
2829 /* Return here if interrupt is disabled */
2830 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2831 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2832 return;
2833 }
2834
2835 status = bnx2x_update_dsb_idx(bp);
2836 /* if (status == 0) */
2837 /* BNX2X_ERR("spurious slowpath interrupt!\n"); */
2838
2839 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
2840
2841 /* HW attentions */
2842 if (status & 0x1)
2843 bnx2x_attn_int(bp);
2844
2845 /* CStorm events: query_stats, port delete ramrod */
2846 if (status & 0x2)
2847 bp->stats_pending = 0;
2848
2849 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2850 IGU_INT_NOP, 1);
2851 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2852 IGU_INT_NOP, 1);
2853 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2854 IGU_INT_NOP, 1);
2855 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2856 IGU_INT_NOP, 1);
2857 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2858 IGU_INT_ENABLE, 1);
2859
2860 }
2861
2862 static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2863 {
2864 struct net_device *dev = dev_instance;
2865 struct bnx2x *bp = netdev_priv(dev);
2866
2867 /* Return here if interrupt is disabled */
2868 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2869 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2870 return IRQ_HANDLED;
2871 }
2872
2873 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
2874
2875 #ifdef BNX2X_STOP_ON_ERROR
2876 if (unlikely(bp->panic))
2877 return IRQ_HANDLED;
2878 #endif
2879
2880 schedule_work(&bp->sp_task);
2881
2882 return IRQ_HANDLED;
2883 }
2884
2885 /* end of slow path */
2886
2887 /* Statistics */
2888
2889 /****************************************************************************
2890 * Macros
2891 ****************************************************************************/
2892
2893 /* sum[hi:lo] += add[hi:lo] */
2894 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2895 do { \
2896 s_lo += a_lo; \
2897 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2898 } while (0)
2899
2900 /* difference = minuend - subtrahend */
2901 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2902 do { \
2903 if (m_lo < s_lo) { \
2904 /* underflow */ \
2905 d_hi = m_hi - s_hi; \
2906 if (d_hi > 0) { \
2907 /* we can 'loan' 1 */ \
2908 d_hi--; \
2909 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
2910 } else { \
2911 /* m_hi <= s_hi */ \
2912 d_hi = 0; \
2913 d_lo = 0; \
2914 } \
2915 } else { \
2916 /* m_lo >= s_lo */ \
2917 if (m_hi < s_hi) { \
2918 d_hi = 0; \
2919 d_lo = 0; \
2920 } else { \
2921 /* m_hi >= s_hi */ \
2922 d_hi = m_hi - s_hi; \
2923 d_lo = m_lo - s_lo; \
2924 } \
2925 } \
2926 } while (0)
2927
2928 #define UPDATE_STAT64(s, t) \
2929 do { \
2930 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2931 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2932 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2933 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2934 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2935 pstats->mac_stx[1].t##_lo, diff.lo); \
2936 } while (0)
2937
2938 #define UPDATE_STAT64_NIG(s, t) \
2939 do { \
2940 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2941 diff.lo, new->s##_lo, old->s##_lo); \
2942 ADD_64(estats->t##_hi, diff.hi, \
2943 estats->t##_lo, diff.lo); \
2944 } while (0)
2945
2946 /* sum[hi:lo] += add */
2947 #define ADD_EXTEND_64(s_hi, s_lo, a) \
2948 do { \
2949 s_lo += a; \
2950 s_hi += (s_lo < a) ? 1 : 0; \
2951 } while (0)
2952
2953 #define UPDATE_EXTEND_STAT(s) \
2954 do { \
2955 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2956 pstats->mac_stx[1].s##_lo, \
2957 new->s); \
2958 } while (0)
2959
2960 #define UPDATE_EXTEND_TSTAT(s, t) \
2961 do { \
2962 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2963 old_tclient->s = le32_to_cpu(tclient->s); \
2964 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2965 } while (0)
2966
2967 #define UPDATE_EXTEND_XSTAT(s, t) \
2968 do { \
2969 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2970 old_xclient->s = le32_to_cpu(xclient->s); \
2971 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2972 } while (0)
2973
2974 /*
2975 * General service functions
2976 */
2977
2978 static inline long bnx2x_hilo(u32 *hiref)
2979 {
2980 u32 lo = *(hiref + 1);
2981 #if (BITS_PER_LONG == 64)
2982 u32 hi = *hiref;
2983
2984 return HILO_U64(hi, lo);
2985 #else
2986 return lo;
2987 #endif
2988 }
2989
2990 /*
2991 * Init service functions
2992 */
2993
2994 static void bnx2x_storm_stats_post(struct bnx2x *bp)
2995 {
2996 if (!bp->stats_pending) {
2997 struct eth_query_ramrod_data ramrod_data = {0};
2998 int rc;
2999
3000 ramrod_data.drv_counter = bp->stats_counter++;
3001 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3002 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3003
3004 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3005 ((u32 *)&ramrod_data)[1],
3006 ((u32 *)&ramrod_data)[0], 0);
3007 if (rc == 0) {
3008 /* stats ramrod has it's own slot on the spq */
3009 bp->spq_left++;
3010 bp->stats_pending = 1;
3011 }
3012 }
3013 }
3014
3015 static void bnx2x_stats_init(struct bnx2x *bp)
3016 {
3017 int port = BP_PORT(bp);
3018
3019 bp->executer_idx = 0;
3020 bp->stats_counter = 0;
3021
3022 /* port stats */
3023 if (!BP_NOMCP(bp))
3024 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3025 else
3026 bp->port.port_stx = 0;
3027 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3028
3029 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3030 bp->port.old_nig_stats.brb_discard =
3031 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
3032 bp->port.old_nig_stats.brb_truncate =
3033 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
3034 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3035 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3036 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3037 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3038
3039 /* function stats */
3040 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3041 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3042 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3043 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3044
3045 bp->stats_state = STATS_STATE_DISABLED;
3046 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3047 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3048 }
3049
3050 static void bnx2x_hw_stats_post(struct bnx2x *bp)
3051 {
3052 struct dmae_command *dmae = &bp->stats_dmae;
3053 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3054
3055 *stats_comp = DMAE_COMP_VAL;
3056
3057 /* loader */
3058 if (bp->executer_idx) {
3059 int loader_idx = PMF_DMAE_C(bp);
3060
3061 memset(dmae, 0, sizeof(struct dmae_command));
3062
3063 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3064 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3065 DMAE_CMD_DST_RESET |
3066 #ifdef __BIG_ENDIAN
3067 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3068 #else
3069 DMAE_CMD_ENDIANITY_DW_SWAP |
3070 #endif
3071 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3072 DMAE_CMD_PORT_0) |
3073 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3074 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3075 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3076 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3077 sizeof(struct dmae_command) *
3078 (loader_idx + 1)) >> 2;
3079 dmae->dst_addr_hi = 0;
3080 dmae->len = sizeof(struct dmae_command) >> 2;
3081 if (CHIP_IS_E1(bp))
3082 dmae->len--;
3083 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3084 dmae->comp_addr_hi = 0;
3085 dmae->comp_val = 1;
3086
3087 *stats_comp = 0;
3088 bnx2x_post_dmae(bp, dmae, loader_idx);
3089
3090 } else if (bp->func_stx) {
3091 *stats_comp = 0;
3092 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3093 }
3094 }
3095
3096 static int bnx2x_stats_comp(struct bnx2x *bp)
3097 {
3098 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3099 int cnt = 10;
3100
3101 might_sleep();
3102 while (*stats_comp != DMAE_COMP_VAL) {
3103 if (!cnt) {
3104 BNX2X_ERR("timeout waiting for stats finished\n");
3105 break;
3106 }
3107 cnt--;
3108 msleep(1);
3109 }
3110 return 1;
3111 }
3112
3113 /*
3114 * Statistics service functions
3115 */
3116
3117 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3118 {
3119 struct dmae_command *dmae;
3120 u32 opcode;
3121 int loader_idx = PMF_DMAE_C(bp);
3122 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3123
3124 /* sanity */
3125 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3126 BNX2X_ERR("BUG!\n");
3127 return;
3128 }
3129
3130 bp->executer_idx = 0;
3131
3132 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3133 DMAE_CMD_C_ENABLE |
3134 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3135 #ifdef __BIG_ENDIAN
3136 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3137 #else
3138 DMAE_CMD_ENDIANITY_DW_SWAP |
3139 #endif
3140 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3141 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3142
3143 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3144 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3145 dmae->src_addr_lo = bp->port.port_stx >> 2;
3146 dmae->src_addr_hi = 0;
3147 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3148 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3149 dmae->len = DMAE_LEN32_RD_MAX;
3150 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3151 dmae->comp_addr_hi = 0;
3152 dmae->comp_val = 1;
3153
3154 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3155 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3156 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3157 dmae->src_addr_hi = 0;
3158 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3159 DMAE_LEN32_RD_MAX * 4);
3160 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3161 DMAE_LEN32_RD_MAX * 4);
3162 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3163 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3164 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3165 dmae->comp_val = DMAE_COMP_VAL;
3166
3167 *stats_comp = 0;
3168 bnx2x_hw_stats_post(bp);
3169 bnx2x_stats_comp(bp);
3170 }
3171
3172 static void bnx2x_port_stats_init(struct bnx2x *bp)
3173 {
3174 struct dmae_command *dmae;
3175 int port = BP_PORT(bp);
3176 int vn = BP_E1HVN(bp);
3177 u32 opcode;
3178 int loader_idx = PMF_DMAE_C(bp);
3179 u32 mac_addr;
3180 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3181
3182 /* sanity */
3183 if (!bp->link_vars.link_up || !bp->port.pmf) {
3184 BNX2X_ERR("BUG!\n");
3185 return;
3186 }
3187
3188 bp->executer_idx = 0;
3189
3190 /* MCP */
3191 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3192 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3193 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3194 #ifdef __BIG_ENDIAN
3195 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3196 #else
3197 DMAE_CMD_ENDIANITY_DW_SWAP |
3198 #endif
3199 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3200 (vn << DMAE_CMD_E1HVN_SHIFT));
3201
3202 if (bp->port.port_stx) {
3203
3204 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3205 dmae->opcode = opcode;
3206 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3207 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3208 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3209 dmae->dst_addr_hi = 0;
3210 dmae->len = sizeof(struct host_port_stats) >> 2;
3211 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3212 dmae->comp_addr_hi = 0;
3213 dmae->comp_val = 1;
3214 }
3215
3216 if (bp->func_stx) {
3217
3218 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3219 dmae->opcode = opcode;
3220 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3221 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3222 dmae->dst_addr_lo = bp->func_stx >> 2;
3223 dmae->dst_addr_hi = 0;
3224 dmae->len = sizeof(struct host_func_stats) >> 2;
3225 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3226 dmae->comp_addr_hi = 0;
3227 dmae->comp_val = 1;
3228 }
3229
3230 /* MAC */
3231 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3232 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3233 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3234 #ifdef __BIG_ENDIAN
3235 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3236 #else
3237 DMAE_CMD_ENDIANITY_DW_SWAP |
3238 #endif
3239 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3240 (vn << DMAE_CMD_E1HVN_SHIFT));
3241
3242 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
3243
3244 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3245 NIG_REG_INGRESS_BMAC0_MEM);
3246
3247 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3248 BIGMAC_REGISTER_TX_STAT_GTBYT */
3249 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3250 dmae->opcode = opcode;
3251 dmae->src_addr_lo = (mac_addr +
3252 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3253 dmae->src_addr_hi = 0;
3254 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3255 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3256 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3257 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3258 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3259 dmae->comp_addr_hi = 0;
3260 dmae->comp_val = 1;
3261
3262 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3263 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3264 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3265 dmae->opcode = opcode;
3266 dmae->src_addr_lo = (mac_addr +
3267 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3268 dmae->src_addr_hi = 0;
3269 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3270 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3271 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3272 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3273 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3274 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3275 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3276 dmae->comp_addr_hi = 0;
3277 dmae->comp_val = 1;
3278
3279 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
3280
3281 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3282
3283 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3284 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3285 dmae->opcode = opcode;
3286 dmae->src_addr_lo = (mac_addr +
3287 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3288 dmae->src_addr_hi = 0;
3289 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3290 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3291 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3292 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3293 dmae->comp_addr_hi = 0;
3294 dmae->comp_val = 1;
3295
3296 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3297 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3298 dmae->opcode = opcode;
3299 dmae->src_addr_lo = (mac_addr +
3300 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3301 dmae->src_addr_hi = 0;
3302 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3303 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3304 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3305 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3306 dmae->len = 1;
3307 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3308 dmae->comp_addr_hi = 0;
3309 dmae->comp_val = 1;
3310
3311 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3312 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3313 dmae->opcode = opcode;
3314 dmae->src_addr_lo = (mac_addr +
3315 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3316 dmae->src_addr_hi = 0;
3317 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3318 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3319 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3320 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3321 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3322 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3323 dmae->comp_addr_hi = 0;
3324 dmae->comp_val = 1;
3325 }
3326
3327 /* NIG */
3328 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3329 dmae->opcode = opcode;
3330 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3331 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3332 dmae->src_addr_hi = 0;
3333 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3334 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3335 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3336 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3337 dmae->comp_addr_hi = 0;
3338 dmae->comp_val = 1;
3339
3340 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3341 dmae->opcode = opcode;
3342 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3343 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3344 dmae->src_addr_hi = 0;
3345 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3346 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3347 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3348 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3349 dmae->len = (2*sizeof(u32)) >> 2;
3350 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3351 dmae->comp_addr_hi = 0;
3352 dmae->comp_val = 1;
3353
3354 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3355 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3356 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3357 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3358 #ifdef __BIG_ENDIAN
3359 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3360 #else
3361 DMAE_CMD_ENDIANITY_DW_SWAP |
3362 #endif
3363 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3364 (vn << DMAE_CMD_E1HVN_SHIFT));
3365 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3366 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
3367 dmae->src_addr_hi = 0;
3368 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3369 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3370 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3371 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3372 dmae->len = (2*sizeof(u32)) >> 2;
3373 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3374 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3375 dmae->comp_val = DMAE_COMP_VAL;
3376
3377 *stats_comp = 0;
3378 }
3379
3380 static void bnx2x_func_stats_init(struct bnx2x *bp)
3381 {
3382 struct dmae_command *dmae = &bp->stats_dmae;
3383 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3384
3385 /* sanity */
3386 if (!bp->func_stx) {
3387 BNX2X_ERR("BUG!\n");
3388 return;
3389 }
3390
3391 bp->executer_idx = 0;
3392 memset(dmae, 0, sizeof(struct dmae_command));
3393
3394 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3395 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3396 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3397 #ifdef __BIG_ENDIAN
3398 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3399 #else
3400 DMAE_CMD_ENDIANITY_DW_SWAP |
3401 #endif
3402 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3403 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3404 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3405 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3406 dmae->dst_addr_lo = bp->func_stx >> 2;
3407 dmae->dst_addr_hi = 0;
3408 dmae->len = sizeof(struct host_func_stats) >> 2;
3409 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3410 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3411 dmae->comp_val = DMAE_COMP_VAL;
3412
3413 *stats_comp = 0;
3414 }
3415
3416 static void bnx2x_stats_start(struct bnx2x *bp)
3417 {
3418 if (bp->port.pmf)
3419 bnx2x_port_stats_init(bp);
3420
3421 else if (bp->func_stx)
3422 bnx2x_func_stats_init(bp);
3423
3424 bnx2x_hw_stats_post(bp);
3425 bnx2x_storm_stats_post(bp);
3426 }
3427
3428 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
3429 {
3430 bnx2x_stats_comp(bp);
3431 bnx2x_stats_pmf_update(bp);
3432 bnx2x_stats_start(bp);
3433 }
3434
3435 static void bnx2x_stats_restart(struct bnx2x *bp)
3436 {
3437 bnx2x_stats_comp(bp);
3438 bnx2x_stats_start(bp);
3439 }
3440
3441 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3442 {
3443 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3444 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3445 struct regpair diff;
3446
3447 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3448 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3449 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3450 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3451 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3452 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
3453 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
3454 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3455 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3456 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3457 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3458 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3459 UPDATE_STAT64(tx_stat_gt127,
3460 tx_stat_etherstatspkts65octetsto127octets);
3461 UPDATE_STAT64(tx_stat_gt255,
3462 tx_stat_etherstatspkts128octetsto255octets);
3463 UPDATE_STAT64(tx_stat_gt511,
3464 tx_stat_etherstatspkts256octetsto511octets);
3465 UPDATE_STAT64(tx_stat_gt1023,
3466 tx_stat_etherstatspkts512octetsto1023octets);
3467 UPDATE_STAT64(tx_stat_gt1518,
3468 tx_stat_etherstatspkts1024octetsto1522octets);
3469 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3470 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3471 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3472 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3473 UPDATE_STAT64(tx_stat_gterr,
3474 tx_stat_dot3statsinternalmactransmiterrors);
3475 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3476 }
3477
3478 static void bnx2x_emac_stats_update(struct bnx2x *bp)
3479 {
3480 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3481 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3482
3483 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3484 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3485 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3486 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3487 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3488 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3489 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3490 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3491 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3492 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3493 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3494 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3495 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3496 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3497 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3498 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3499 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3500 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3501 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3502 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3503 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3504 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3505 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3506 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3507 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3508 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3509 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3510 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3511 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3512 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3513 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3514 }
3515
3516 static int bnx2x_hw_stats_update(struct bnx2x *bp)
3517 {
3518 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3519 struct nig_stats *old = &(bp->port.old_nig_stats);
3520 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3521 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3522 struct regpair diff;
3523
3524 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3525 bnx2x_bmac_stats_update(bp);
3526
3527 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3528 bnx2x_emac_stats_update(bp);
3529
3530 else { /* unreached */
3531 BNX2X_ERR("stats updated by dmae but no MAC active\n");
3532 return -1;
3533 }
3534
3535 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3536 new->brb_discard - old->brb_discard);
3537 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3538 new->brb_truncate - old->brb_truncate);
3539
3540 UPDATE_STAT64_NIG(egress_mac_pkt0,
3541 etherstatspkts1024octetsto1522octets);
3542 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
3543
3544 memcpy(old, new, sizeof(struct nig_stats));
3545
3546 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3547 sizeof(struct mac_stx));
3548 estats->brb_drop_hi = pstats->brb_drop_hi;
3549 estats->brb_drop_lo = pstats->brb_drop_lo;
3550
3551 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
3552
3553 return 0;
3554 }
3555
3556 static int bnx2x_storm_stats_update(struct bnx2x *bp)
3557 {
3558 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3559 int cl_id = BP_CL_ID(bp);
3560 struct tstorm_per_port_stats *tport =
3561 &stats->tstorm_common.port_statistics;
3562 struct tstorm_per_client_stats *tclient =
3563 &stats->tstorm_common.client_statistics[cl_id];
3564 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3565 struct xstorm_per_client_stats *xclient =
3566 &stats->xstorm_common.client_statistics[cl_id];
3567 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3568 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3569 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3570 u32 diff;
3571
3572 /* are storm stats valid? */
3573 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3574 bp->stats_counter) {
3575 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3576 " tstorm counter (%d) != stats_counter (%d)\n",
3577 tclient->stats_counter, bp->stats_counter);
3578 return -1;
3579 }
3580 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3581 bp->stats_counter) {
3582 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3583 " xstorm counter (%d) != stats_counter (%d)\n",
3584 xclient->stats_counter, bp->stats_counter);
3585 return -2;
3586 }
3587
3588 fstats->total_bytes_received_hi =
3589 fstats->valid_bytes_received_hi =
3590 le32_to_cpu(tclient->total_rcv_bytes.hi);
3591 fstats->total_bytes_received_lo =
3592 fstats->valid_bytes_received_lo =
3593 le32_to_cpu(tclient->total_rcv_bytes.lo);
3594
3595 estats->error_bytes_received_hi =
3596 le32_to_cpu(tclient->rcv_error_bytes.hi);
3597 estats->error_bytes_received_lo =
3598 le32_to_cpu(tclient->rcv_error_bytes.lo);
3599 ADD_64(estats->error_bytes_received_hi,
3600 estats->rx_stat_ifhcinbadoctets_hi,
3601 estats->error_bytes_received_lo,
3602 estats->rx_stat_ifhcinbadoctets_lo);
3603
3604 ADD_64(fstats->total_bytes_received_hi,
3605 estats->error_bytes_received_hi,
3606 fstats->total_bytes_received_lo,
3607 estats->error_bytes_received_lo);
3608
3609 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3610 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3611 total_multicast_packets_received);
3612 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3613 total_broadcast_packets_received);
3614
3615 fstats->total_bytes_transmitted_hi =
3616 le32_to_cpu(xclient->total_sent_bytes.hi);
3617 fstats->total_bytes_transmitted_lo =
3618 le32_to_cpu(xclient->total_sent_bytes.lo);
3619
3620 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3621 total_unicast_packets_transmitted);
3622 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3623 total_multicast_packets_transmitted);
3624 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3625 total_broadcast_packets_transmitted);
3626
3627 memcpy(estats, &(fstats->total_bytes_received_hi),
3628 sizeof(struct host_func_stats) - 2*sizeof(u32));
3629
3630 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3631 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3632 estats->brb_truncate_discard =
3633 le32_to_cpu(tport->brb_truncate_discard);
3634 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3635
3636 old_tclient->rcv_unicast_bytes.hi =
3637 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3638 old_tclient->rcv_unicast_bytes.lo =
3639 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3640 old_tclient->rcv_broadcast_bytes.hi =
3641 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3642 old_tclient->rcv_broadcast_bytes.lo =
3643 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3644 old_tclient->rcv_multicast_bytes.hi =
3645 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3646 old_tclient->rcv_multicast_bytes.lo =
3647 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3648 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3649
3650 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3651 old_tclient->packets_too_big_discard =
3652 le32_to_cpu(tclient->packets_too_big_discard);
3653 estats->no_buff_discard =
3654 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3655 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3656
3657 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3658 old_xclient->unicast_bytes_sent.hi =
3659 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3660 old_xclient->unicast_bytes_sent.lo =
3661 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3662 old_xclient->multicast_bytes_sent.hi =
3663 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3664 old_xclient->multicast_bytes_sent.lo =
3665 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3666 old_xclient->broadcast_bytes_sent.hi =
3667 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3668 old_xclient->broadcast_bytes_sent.lo =
3669 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3670
3671 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3672
3673 return 0;
3674 }
3675
3676 static void bnx2x_net_stats_update(struct bnx2x *bp)
3677 {
3678 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3679 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3680 struct net_device_stats *nstats = &bp->dev->stats;
3681
3682 nstats->rx_packets =
3683 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3684 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3685 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3686
3687 nstats->tx_packets =
3688 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3689 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3690 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3691
3692 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
3693
3694 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
3695
3696 nstats->rx_dropped = old_tclient->checksum_discard +
3697 estats->mac_discard;
3698 nstats->tx_dropped = 0;
3699
3700 nstats->multicast =
3701 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3702
3703 nstats->collisions =
3704 estats->tx_stat_dot3statssinglecollisionframes_lo +
3705 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3706 estats->tx_stat_dot3statslatecollisions_lo +
3707 estats->tx_stat_dot3statsexcessivecollisions_lo;
3708
3709 estats->jabber_packets_received =
3710 old_tclient->packets_too_big_discard +
3711 estats->rx_stat_dot3statsframestoolong_lo;
3712
3713 nstats->rx_length_errors =
3714 estats->rx_stat_etherstatsundersizepkts_lo +
3715 estats->jabber_packets_received;
3716 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
3717 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3718 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3719 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
3720 nstats->rx_missed_errors = estats->xxoverflow_discard;
3721
3722 nstats->rx_errors = nstats->rx_length_errors +
3723 nstats->rx_over_errors +
3724 nstats->rx_crc_errors +
3725 nstats->rx_frame_errors +
3726 nstats->rx_fifo_errors +
3727 nstats->rx_missed_errors;
3728
3729 nstats->tx_aborted_errors =
3730 estats->tx_stat_dot3statslatecollisions_lo +
3731 estats->tx_stat_dot3statsexcessivecollisions_lo;
3732 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
3733 nstats->tx_fifo_errors = 0;
3734 nstats->tx_heartbeat_errors = 0;
3735 nstats->tx_window_errors = 0;
3736
3737 nstats->tx_errors = nstats->tx_aborted_errors +
3738 nstats->tx_carrier_errors;
3739 }
3740
3741 static void bnx2x_stats_update(struct bnx2x *bp)
3742 {
3743 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3744 int update = 0;
3745
3746 if (*stats_comp != DMAE_COMP_VAL)
3747 return;
3748
3749 if (bp->port.pmf)
3750 update = (bnx2x_hw_stats_update(bp) == 0);
3751
3752 update |= (bnx2x_storm_stats_update(bp) == 0);
3753
3754 if (update)
3755 bnx2x_net_stats_update(bp);
3756
3757 else {
3758 if (bp->stats_pending) {
3759 bp->stats_pending++;
3760 if (bp->stats_pending == 3) {
3761 BNX2X_ERR("stats not updated for 3 times\n");
3762 bnx2x_panic();
3763 return;
3764 }
3765 }
3766 }
3767
3768 if (bp->msglevel & NETIF_MSG_TIMER) {
3769 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3770 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3771 struct net_device_stats *nstats = &bp->dev->stats;
3772 int i;
3773
3774 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3775 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3776 " tx pkt (%lx)\n",
3777 bnx2x_tx_avail(bp->fp),
3778 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
3779 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3780 " rx pkt (%lx)\n",
3781 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3782 bp->fp->rx_comp_cons),
3783 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
3784 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
3785 netif_queue_stopped(bp->dev)? "Xoff" : "Xon",
3786 estats->driver_xoff, estats->brb_drop_lo);
3787 printk(KERN_DEBUG "tstats: checksum_discard %u "
3788 "packets_too_big_discard %u no_buff_discard %u "
3789 "mac_discard %u mac_filter_discard %u "
3790 "xxovrflow_discard %u brb_truncate_discard %u "
3791 "ttl0_discard %u\n",
3792 old_tclient->checksum_discard,
3793 old_tclient->packets_too_big_discard,
3794 old_tclient->no_buff_discard, estats->mac_discard,
3795 estats->mac_filter_discard, estats->xxoverflow_discard,
3796 estats->brb_truncate_discard,
3797 old_tclient->ttl0_discard);
3798
3799 for_each_queue(bp, i) {
3800 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3801 bnx2x_fp(bp, i, tx_pkt),
3802 bnx2x_fp(bp, i, rx_pkt),
3803 bnx2x_fp(bp, i, rx_calls));
3804 }
3805 }
3806
3807 bnx2x_hw_stats_post(bp);
3808 bnx2x_storm_stats_post(bp);
3809 }
3810
3811 static void bnx2x_port_stats_stop(struct bnx2x *bp)
3812 {
3813 struct dmae_command *dmae;
3814 u32 opcode;
3815 int loader_idx = PMF_DMAE_C(bp);
3816 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3817
3818 bp->executer_idx = 0;
3819
3820 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3821 DMAE_CMD_C_ENABLE |
3822 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3823 #ifdef __BIG_ENDIAN
3824 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3825 #else
3826 DMAE_CMD_ENDIANITY_DW_SWAP |
3827 #endif
3828 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3829 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3830
3831 if (bp->port.port_stx) {
3832
3833 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3834 if (bp->func_stx)
3835 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3836 else
3837 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3838 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3839 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3840 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3841 dmae->dst_addr_hi = 0;
3842 dmae->len = sizeof(struct host_port_stats) >> 2;
3843 if (bp->func_stx) {
3844 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3845 dmae->comp_addr_hi = 0;
3846 dmae->comp_val = 1;
3847 } else {
3848 dmae->comp_addr_lo =
3849 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3850 dmae->comp_addr_hi =
3851 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3852 dmae->comp_val = DMAE_COMP_VAL;
3853
3854 *stats_comp = 0;
3855 }
3856 }
3857
3858 if (bp->func_stx) {
3859
3860 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3861 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3862 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3863 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3864 dmae->dst_addr_lo = bp->func_stx >> 2;
3865 dmae->dst_addr_hi = 0;
3866 dmae->len = sizeof(struct host_func_stats) >> 2;
3867 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3868 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3869 dmae->comp_val = DMAE_COMP_VAL;
3870
3871 *stats_comp = 0;
3872 }
3873 }
3874
3875 static void bnx2x_stats_stop(struct bnx2x *bp)
3876 {
3877 int update = 0;
3878
3879 bnx2x_stats_comp(bp);
3880
3881 if (bp->port.pmf)
3882 update = (bnx2x_hw_stats_update(bp) == 0);
3883
3884 update |= (bnx2x_storm_stats_update(bp) == 0);
3885
3886 if (update) {
3887 bnx2x_net_stats_update(bp);
3888
3889 if (bp->port.pmf)
3890 bnx2x_port_stats_stop(bp);
3891
3892 bnx2x_hw_stats_post(bp);
3893 bnx2x_stats_comp(bp);
3894 }
3895 }
3896
3897 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3898 {
3899 }
3900
3901 static const struct {
3902 void (*action)(struct bnx2x *bp);
3903 enum bnx2x_stats_state next_state;
3904 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3905 /* state event */
3906 {
3907 /* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3908 /* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3909 /* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3910 /* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3911 },
3912 {
3913 /* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3914 /* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3915 /* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3916 /* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3917 }
3918 };
3919
3920 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3921 {
3922 enum bnx2x_stats_state state = bp->stats_state;
3923
3924 bnx2x_stats_stm[state][event].action(bp);
3925 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3926
3927 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3928 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3929 state, event, bp->stats_state);
3930 }
3931
3932 static void bnx2x_timer(unsigned long data)
3933 {
3934 struct bnx2x *bp = (struct bnx2x *) data;
3935
3936 if (!netif_running(bp->dev))
3937 return;
3938
3939 if (atomic_read(&bp->intr_sem) != 0)
3940 goto timer_restart;
3941
3942 if (poll) {
3943 struct bnx2x_fastpath *fp = &bp->fp[0];
3944 int rc;
3945
3946 bnx2x_tx_int(fp, 1000);
3947 rc = bnx2x_rx_int(fp, 1000);
3948 }
3949
3950 if (!BP_NOMCP(bp)) {
3951 int func = BP_FUNC(bp);
3952 u32 drv_pulse;
3953 u32 mcp_pulse;
3954
3955 ++bp->fw_drv_pulse_wr_seq;
3956 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3957 /* TBD - add SYSTEM_TIME */
3958 drv_pulse = bp->fw_drv_pulse_wr_seq;
3959 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
3960
3961 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
3962 MCP_PULSE_SEQ_MASK);
3963 /* The delta between driver pulse and mcp response
3964 * should be 1 (before mcp response) or 0 (after mcp response)
3965 */
3966 if ((drv_pulse != mcp_pulse) &&
3967 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3968 /* someone lost a heartbeat... */
3969 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3970 drv_pulse, mcp_pulse);
3971 }
3972 }
3973
3974 if ((bp->state == BNX2X_STATE_OPEN) ||
3975 (bp->state == BNX2X_STATE_DISABLED))
3976 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
3977
3978 timer_restart:
3979 mod_timer(&bp->timer, jiffies + bp->current_interval);
3980 }
3981
3982 /* end of Statistics */
3983
3984 /* nic init */
3985
3986 /*
3987 * nic init service functions
3988 */
3989
3990 static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
3991 {
3992 int port = BP_PORT(bp);
3993
3994 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3995 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3996 sizeof(struct ustorm_status_block)/4);
3997 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3998 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3999 sizeof(struct cstorm_status_block)/4);
4000 }
4001
4002 static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4003 dma_addr_t mapping, int sb_id)
4004 {
4005 int port = BP_PORT(bp);
4006 int func = BP_FUNC(bp);
4007 int index;
4008 u64 section;
4009
4010 /* USTORM */
4011 section = ((u64)mapping) + offsetof(struct host_status_block,
4012 u_status_block);
4013 sb->u_status_block.status_block_id = sb_id;
4014
4015 REG_WR(bp, BAR_USTRORM_INTMEM +
4016 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4017 REG_WR(bp, BAR_USTRORM_INTMEM +
4018 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4019 U64_HI(section));
4020 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4021 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4022
4023 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4024 REG_WR16(bp, BAR_USTRORM_INTMEM +
4025 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4026
4027 /* CSTORM */
4028 section = ((u64)mapping) + offsetof(struct host_status_block,
4029 c_status_block);
4030 sb->c_status_block.status_block_id = sb_id;
4031
4032 REG_WR(bp, BAR_CSTRORM_INTMEM +
4033 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4034 REG_WR(bp, BAR_CSTRORM_INTMEM +
4035 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4036 U64_HI(section));
4037 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4038 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4039
4040 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4041 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4042 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4043
4044 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4045 }
4046
4047 static void bnx2x_zero_def_sb(struct bnx2x *bp)
4048 {
4049 int func = BP_FUNC(bp);
4050
4051 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4052 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4053 sizeof(struct ustorm_def_status_block)/4);
4054 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4055 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4056 sizeof(struct cstorm_def_status_block)/4);
4057 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4058 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4059 sizeof(struct xstorm_def_status_block)/4);
4060 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4061 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4062 sizeof(struct tstorm_def_status_block)/4);
4063 }
4064
4065 static void bnx2x_init_def_sb(struct bnx2x *bp,
4066 struct host_def_status_block *def_sb,
4067 dma_addr_t mapping, int sb_id)
4068 {
4069 int port = BP_PORT(bp);
4070 int func = BP_FUNC(bp);
4071 int index, val, reg_offset;
4072 u64 section;
4073
4074 /* ATTN */
4075 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4076 atten_status_block);
4077 def_sb->atten_status_block.status_block_id = sb_id;
4078
4079 bp->attn_state = 0;
4080
4081 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4082 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4083
4084 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4085 bp->attn_group[index].sig[0] = REG_RD(bp,
4086 reg_offset + 0x10*index);
4087 bp->attn_group[index].sig[1] = REG_RD(bp,
4088 reg_offset + 0x4 + 0x10*index);
4089 bp->attn_group[index].sig[2] = REG_RD(bp,
4090 reg_offset + 0x8 + 0x10*index);
4091 bp->attn_group[index].sig[3] = REG_RD(bp,
4092 reg_offset + 0xc + 0x10*index);
4093 }
4094
4095 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4096 HC_REG_ATTN_MSG0_ADDR_L);
4097
4098 REG_WR(bp, reg_offset, U64_LO(section));
4099 REG_WR(bp, reg_offset + 4, U64_HI(section));
4100
4101 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4102
4103 val = REG_RD(bp, reg_offset);
4104 val |= sb_id;
4105 REG_WR(bp, reg_offset, val);
4106
4107 /* USTORM */
4108 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4109 u_def_status_block);
4110 def_sb->u_def_status_block.status_block_id = sb_id;
4111
4112 REG_WR(bp, BAR_USTRORM_INTMEM +
4113 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4114 REG_WR(bp, BAR_USTRORM_INTMEM +
4115 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4116 U64_HI(section));
4117 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4118 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4119
4120 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4121 REG_WR16(bp, BAR_USTRORM_INTMEM +
4122 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4123
4124 /* CSTORM */
4125 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4126 c_def_status_block);
4127 def_sb->c_def_status_block.status_block_id = sb_id;
4128
4129 REG_WR(bp, BAR_CSTRORM_INTMEM +
4130 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4131 REG_WR(bp, BAR_CSTRORM_INTMEM +
4132 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4133 U64_HI(section));
4134 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4135 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4136
4137 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4138 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4139 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4140
4141 /* TSTORM */
4142 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4143 t_def_status_block);
4144 def_sb->t_def_status_block.status_block_id = sb_id;
4145
4146 REG_WR(bp, BAR_TSTRORM_INTMEM +
4147 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4148 REG_WR(bp, BAR_TSTRORM_INTMEM +
4149 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4150 U64_HI(section));
4151 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4152 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4153
4154 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4155 REG_WR16(bp, BAR_TSTRORM_INTMEM +
4156 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4157
4158 /* XSTORM */
4159 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4160 x_def_status_block);
4161 def_sb->x_def_status_block.status_block_id = sb_id;
4162
4163 REG_WR(bp, BAR_XSTRORM_INTMEM +
4164 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4165 REG_WR(bp, BAR_XSTRORM_INTMEM +
4166 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4167 U64_HI(section));
4168 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4169 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4170
4171 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4172 REG_WR16(bp, BAR_XSTRORM_INTMEM +
4173 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4174
4175 bp->stats_pending = 0;
4176 bp->set_mac_pending = 0;
4177
4178 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4179 }
4180
4181 static void bnx2x_update_coalesce(struct bnx2x *bp)
4182 {
4183 int port = BP_PORT(bp);
4184 int i;
4185
4186 for_each_queue(bp, i) {
4187 int sb_id = bp->fp[i].sb_id;
4188
4189 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4190 REG_WR8(bp, BAR_USTRORM_INTMEM +
4191 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4192 U_SB_ETH_RX_CQ_INDEX),
4193 bp->rx_ticks/12);
4194 REG_WR16(bp, BAR_USTRORM_INTMEM +
4195 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4196 U_SB_ETH_RX_CQ_INDEX),
4197 bp->rx_ticks ? 0 : 1);
4198 REG_WR16(bp, BAR_USTRORM_INTMEM +
4199 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4200 U_SB_ETH_RX_BD_INDEX),
4201 bp->rx_ticks ? 0 : 1);
4202
4203 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4204 REG_WR8(bp, BAR_CSTRORM_INTMEM +
4205 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4206 C_SB_ETH_TX_CQ_INDEX),
4207 bp->tx_ticks/12);
4208 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4209 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4210 C_SB_ETH_TX_CQ_INDEX),
4211 bp->tx_ticks ? 0 : 1);
4212 }
4213 }
4214
4215 static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4216 struct bnx2x_fastpath *fp, int last)
4217 {
4218 int i;
4219
4220 for (i = 0; i < last; i++) {
4221 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4222 struct sk_buff *skb = rx_buf->skb;
4223
4224 if (skb == NULL) {
4225 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4226 continue;
4227 }
4228
4229 if (fp->tpa_state[i] == BNX2X_TPA_START)
4230 pci_unmap_single(bp->pdev,
4231 pci_unmap_addr(rx_buf, mapping),
4232 bp->rx_buf_use_size,
4233 PCI_DMA_FROMDEVICE);
4234
4235 dev_kfree_skb(skb);
4236 rx_buf->skb = NULL;
4237 }
4238 }
4239
4240 static void bnx2x_init_rx_rings(struct bnx2x *bp)
4241 {
4242 int func = BP_FUNC(bp);
4243 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4244 ETH_MAX_AGGREGATION_QUEUES_E1H;
4245 u16 ring_prod, cqe_ring_prod;
4246 int i, j;
4247
4248 bp->rx_buf_use_size = bp->dev->mtu;
4249 bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
4250 bp->rx_buf_size = bp->rx_buf_use_size + 64;
4251
4252 if (bp->flags & TPA_ENABLE_FLAG) {
4253 DP(NETIF_MSG_IFUP,
4254 "rx_buf_use_size %d rx_buf_size %d effective_mtu %d\n",
4255 bp->rx_buf_use_size, bp->rx_buf_size,
4256 bp->dev->mtu + ETH_OVREHEAD);
4257
4258 for_each_queue(bp, j) {
4259 struct bnx2x_fastpath *fp = &bp->fp[j];
4260
4261 for (i = 0; i < max_agg_queues; i++) {
4262 fp->tpa_pool[i].skb =
4263 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4264 if (!fp->tpa_pool[i].skb) {
4265 BNX2X_ERR("Failed to allocate TPA "
4266 "skb pool for queue[%d] - "
4267 "disabling TPA on this "
4268 "queue!\n", j);
4269 bnx2x_free_tpa_pool(bp, fp, i);
4270 fp->disable_tpa = 1;
4271 break;
4272 }
4273 pci_unmap_addr_set((struct sw_rx_bd *)
4274 &bp->fp->tpa_pool[i],
4275 mapping, 0);
4276 fp->tpa_state[i] = BNX2X_TPA_STOP;
4277 }
4278 }
4279 }
4280
4281 for_each_queue(bp, j) {
4282 struct bnx2x_fastpath *fp = &bp->fp[j];
4283
4284 fp->rx_bd_cons = 0;
4285 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4286 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
4287
4288 /* "next page" elements initialization */
4289 /* SGE ring */
4290 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4291 struct eth_rx_sge *sge;
4292
4293 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4294 sge->addr_hi =
4295 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4296 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4297 sge->addr_lo =
4298 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4299 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4300 }
4301
4302 bnx2x_init_sge_ring_bit_mask(fp);
4303
4304 /* RX BD ring */
4305 for (i = 1; i <= NUM_RX_RINGS; i++) {
4306 struct eth_rx_bd *rx_bd;
4307
4308 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4309 rx_bd->addr_hi =
4310 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
4311 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4312 rx_bd->addr_lo =
4313 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4314 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4315 }
4316
4317 /* CQ ring */
4318 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4319 struct eth_rx_cqe_next_page *nextpg;
4320
4321 nextpg = (struct eth_rx_cqe_next_page *)
4322 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4323 nextpg->addr_hi =
4324 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
4325 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4326 nextpg->addr_lo =
4327 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4328 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4329 }
4330
4331 /* Allocate SGEs and initialize the ring elements */
4332 for (i = 0, ring_prod = 0;
4333 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
4334
4335 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4336 BNX2X_ERR("was only able to allocate "
4337 "%d rx sges\n", i);
4338 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4339 /* Cleanup already allocated elements */
4340 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
4341 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
4342 fp->disable_tpa = 1;
4343 ring_prod = 0;
4344 break;
4345 }
4346 ring_prod = NEXT_SGE_IDX(ring_prod);
4347 }
4348 fp->rx_sge_prod = ring_prod;
4349
4350 /* Allocate BDs and initialize BD ring */
4351 fp->rx_comp_cons = 0;
4352 cqe_ring_prod = ring_prod = 0;
4353 for (i = 0; i < bp->rx_ring_size; i++) {
4354 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4355 BNX2X_ERR("was only able to allocate "
4356 "%d rx skbs\n", i);
4357 bp->eth_stats.rx_skb_alloc_failed++;
4358 break;
4359 }
4360 ring_prod = NEXT_RX_IDX(ring_prod);
4361 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
4362 WARN_ON(ring_prod <= i);
4363 }
4364
4365 fp->rx_bd_prod = ring_prod;
4366 /* must not have more available CQEs than BDs */
4367 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4368 cqe_ring_prod);
4369 fp->rx_pkt = fp->rx_calls = 0;
4370
4371 /* Warning!
4372 * this will generate an interrupt (to the TSTORM)
4373 * must only be done after chip is initialized
4374 */
4375 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4376 fp->rx_sge_prod);
4377 if (j != 0)
4378 continue;
4379
4380 REG_WR(bp, BAR_USTRORM_INTMEM +
4381 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
4382 U64_LO(fp->rx_comp_mapping));
4383 REG_WR(bp, BAR_USTRORM_INTMEM +
4384 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
4385 U64_HI(fp->rx_comp_mapping));
4386 }
4387 }
4388
4389 static void bnx2x_init_tx_ring(struct bnx2x *bp)
4390 {
4391 int i, j;
4392
4393 for_each_queue(bp, j) {
4394 struct bnx2x_fastpath *fp = &bp->fp[j];
4395
4396 for (i = 1; i <= NUM_TX_RINGS; i++) {
4397 struct eth_tx_bd *tx_bd =
4398 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4399
4400 tx_bd->addr_hi =
4401 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
4402 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4403 tx_bd->addr_lo =
4404 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4405 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4406 }
4407
4408 fp->tx_pkt_prod = 0;
4409 fp->tx_pkt_cons = 0;
4410 fp->tx_bd_prod = 0;
4411 fp->tx_bd_cons = 0;
4412 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4413 fp->tx_pkt = 0;
4414 }
4415 }
4416
4417 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4418 {
4419 int func = BP_FUNC(bp);
4420
4421 spin_lock_init(&bp->spq_lock);
4422
4423 bp->spq_left = MAX_SPQ_PENDING;
4424 bp->spq_prod_idx = 0;
4425 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4426 bp->spq_prod_bd = bp->spq;
4427 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4428
4429 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
4430 U64_LO(bp->spq_mapping));
4431 REG_WR(bp,
4432 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
4433 U64_HI(bp->spq_mapping));
4434
4435 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
4436 bp->spq_prod_idx);
4437 }
4438
4439 static void bnx2x_init_context(struct bnx2x *bp)
4440 {
4441 int i;
4442
4443 for_each_queue(bp, i) {
4444 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4445 struct bnx2x_fastpath *fp = &bp->fp[i];
4446 u8 sb_id = FP_SB_ID(fp);
4447
4448 context->xstorm_st_context.tx_bd_page_base_hi =
4449 U64_HI(fp->tx_desc_mapping);
4450 context->xstorm_st_context.tx_bd_page_base_lo =
4451 U64_LO(fp->tx_desc_mapping);
4452 context->xstorm_st_context.db_data_addr_hi =
4453 U64_HI(fp->tx_prods_mapping);
4454 context->xstorm_st_context.db_data_addr_lo =
4455 U64_LO(fp->tx_prods_mapping);
4456 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4457 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
4458
4459 context->ustorm_st_context.common.sb_index_numbers =
4460 BNX2X_RX_SB_INDEX_NUM;
4461 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4462 context->ustorm_st_context.common.status_block_id = sb_id;
4463 context->ustorm_st_context.common.flags =
4464 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4465 context->ustorm_st_context.common.mc_alignment_size = 64;
4466 context->ustorm_st_context.common.bd_buff_size =
4467 bp->rx_buf_use_size;
4468 context->ustorm_st_context.common.bd_page_base_hi =
4469 U64_HI(fp->rx_desc_mapping);
4470 context->ustorm_st_context.common.bd_page_base_lo =
4471 U64_LO(fp->rx_desc_mapping);
4472 if (!fp->disable_tpa) {
4473 context->ustorm_st_context.common.flags |=
4474 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4475 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4476 context->ustorm_st_context.common.sge_buff_size =
4477 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4478 context->ustorm_st_context.common.sge_page_base_hi =
4479 U64_HI(fp->rx_sge_mapping);
4480 context->ustorm_st_context.common.sge_page_base_lo =
4481 U64_LO(fp->rx_sge_mapping);
4482 }
4483
4484 context->cstorm_st_context.sb_index_number =
4485 C_SB_ETH_TX_CQ_INDEX;
4486 context->cstorm_st_context.status_block_id = sb_id;
4487
4488 context->xstorm_ag_context.cdu_reserved =
4489 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4490 CDU_REGION_NUMBER_XCM_AG,
4491 ETH_CONNECTION_TYPE);
4492 context->ustorm_ag_context.cdu_usage =
4493 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4494 CDU_REGION_NUMBER_UCM_AG,
4495 ETH_CONNECTION_TYPE);
4496 }
4497 }
4498
4499 static void bnx2x_init_ind_table(struct bnx2x *bp)
4500 {
4501 int port = BP_PORT(bp);
4502 int i;
4503
4504 if (!is_multi(bp))
4505 return;
4506
4507 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
4508 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4509 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4510 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
4511 i % bp->num_queues);
4512
4513 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4514 }
4515
4516 static void bnx2x_set_client_config(struct bnx2x *bp)
4517 {
4518 struct tstorm_eth_client_config tstorm_client = {0};
4519 int port = BP_PORT(bp);
4520 int i;
4521
4522 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
4523 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4524 tstorm_client.config_flags =
4525 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4526 #ifdef BCM_VLAN
4527 if (bp->rx_mode && bp->vlgrp) {
4528 tstorm_client.config_flags |=
4529 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4530 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4531 }
4532 #endif
4533
4534 if (bp->flags & TPA_ENABLE_FLAG) {
4535 tstorm_client.max_sges_for_packet =
4536 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4537 tstorm_client.max_sges_for_packet =
4538 ((tstorm_client.max_sges_for_packet +
4539 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4540 PAGES_PER_SGE_SHIFT;
4541
4542 tstorm_client.config_flags |=
4543 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4544 }
4545
4546 for_each_queue(bp, i) {
4547 REG_WR(bp, BAR_TSTRORM_INTMEM +
4548 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4549 ((u32 *)&tstorm_client)[0]);
4550 REG_WR(bp, BAR_TSTRORM_INTMEM +
4551 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4552 ((u32 *)&tstorm_client)[1]);
4553 }
4554
4555 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4556 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4557 }
4558
4559 static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4560 {
4561 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4562 int mode = bp->rx_mode;
4563 int mask = (1 << BP_L_ID(bp));
4564 int func = BP_FUNC(bp);
4565 int i;
4566
4567 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
4568
4569 switch (mode) {
4570 case BNX2X_RX_MODE_NONE: /* no Rx */
4571 tstorm_mac_filter.ucast_drop_all = mask;
4572 tstorm_mac_filter.mcast_drop_all = mask;
4573 tstorm_mac_filter.bcast_drop_all = mask;
4574 break;
4575 case BNX2X_RX_MODE_NORMAL:
4576 tstorm_mac_filter.bcast_accept_all = mask;
4577 break;
4578 case BNX2X_RX_MODE_ALLMULTI:
4579 tstorm_mac_filter.mcast_accept_all = mask;
4580 tstorm_mac_filter.bcast_accept_all = mask;
4581 break;
4582 case BNX2X_RX_MODE_PROMISC:
4583 tstorm_mac_filter.ucast_accept_all = mask;
4584 tstorm_mac_filter.mcast_accept_all = mask;
4585 tstorm_mac_filter.bcast_accept_all = mask;
4586 break;
4587 default:
4588 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4589 break;
4590 }
4591
4592 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4593 REG_WR(bp, BAR_TSTRORM_INTMEM +
4594 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
4595 ((u32 *)&tstorm_mac_filter)[i]);
4596
4597 /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
4598 ((u32 *)&tstorm_mac_filter)[i]); */
4599 }
4600
4601 if (mode != BNX2X_RX_MODE_NONE)
4602 bnx2x_set_client_config(bp);
4603 }
4604
4605 static void bnx2x_init_internal_common(struct bnx2x *bp)
4606 {
4607 int i;
4608
4609 /* Zero this manually as its initialization is
4610 currently missing in the initTool */
4611 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4612 REG_WR(bp, BAR_USTRORM_INTMEM +
4613 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4614 }
4615
4616 static void bnx2x_init_internal_port(struct bnx2x *bp)
4617 {
4618 int port = BP_PORT(bp);
4619
4620 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4621 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4622 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4623 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4624 }
4625
4626 static void bnx2x_init_internal_func(struct bnx2x *bp)
4627 {
4628 struct tstorm_eth_function_common_config tstorm_config = {0};
4629 struct stats_indication_flags stats_flags = {0};
4630 int port = BP_PORT(bp);
4631 int func = BP_FUNC(bp);
4632 int i;
4633 u16 max_agg_size;
4634
4635 if (is_multi(bp)) {
4636 tstorm_config.config_flags = MULTI_FLAGS;
4637 tstorm_config.rss_result_mask = MULTI_MASK;
4638 }
4639
4640 tstorm_config.leading_client_id = BP_L_ID(bp);
4641
4642 REG_WR(bp, BAR_TSTRORM_INTMEM +
4643 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
4644 (*(u32 *)&tstorm_config));
4645
4646 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
4647 bnx2x_set_storm_rx_mode(bp);
4648
4649 /* reset xstorm per client statistics */
4650 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4651 REG_WR(bp, BAR_XSTRORM_INTMEM +
4652 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4653 i*4, 0);
4654 }
4655 /* reset tstorm per client statistics */
4656 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4657 REG_WR(bp, BAR_TSTRORM_INTMEM +
4658 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4659 i*4, 0);
4660 }
4661
4662 /* Init statistics related context */
4663 stats_flags.collect_eth = 1;
4664
4665 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
4666 ((u32 *)&stats_flags)[0]);
4667 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
4668 ((u32 *)&stats_flags)[1]);
4669
4670 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
4671 ((u32 *)&stats_flags)[0]);
4672 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
4673 ((u32 *)&stats_flags)[1]);
4674
4675 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
4676 ((u32 *)&stats_flags)[0]);
4677 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
4678 ((u32 *)&stats_flags)[1]);
4679
4680 REG_WR(bp, BAR_XSTRORM_INTMEM +
4681 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4682 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4683 REG_WR(bp, BAR_XSTRORM_INTMEM +
4684 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4685 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4686
4687 REG_WR(bp, BAR_TSTRORM_INTMEM +
4688 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4689 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4690 REG_WR(bp, BAR_TSTRORM_INTMEM +
4691 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4692 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4693
4694 if (CHIP_IS_E1H(bp)) {
4695 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4696 IS_E1HMF(bp));
4697 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4698 IS_E1HMF(bp));
4699 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4700 IS_E1HMF(bp));
4701 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4702 IS_E1HMF(bp));
4703
4704 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4705 bp->e1hov);
4706 }
4707
4708 /* Init CQ ring mapping and aggregation size */
4709 max_agg_size = min((u32)(bp->rx_buf_use_size +
4710 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4711 (u32)0xffff);
4712 for_each_queue(bp, i) {
4713 struct bnx2x_fastpath *fp = &bp->fp[i];
4714
4715 REG_WR(bp, BAR_USTRORM_INTMEM +
4716 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4717 U64_LO(fp->rx_comp_mapping));
4718 REG_WR(bp, BAR_USTRORM_INTMEM +
4719 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4720 U64_HI(fp->rx_comp_mapping));
4721
4722 REG_WR16(bp, BAR_USTRORM_INTMEM +
4723 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4724 max_agg_size);
4725 }
4726 }
4727
4728 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4729 {
4730 switch (load_code) {
4731 case FW_MSG_CODE_DRV_LOAD_COMMON:
4732 bnx2x_init_internal_common(bp);
4733 /* no break */
4734
4735 case FW_MSG_CODE_DRV_LOAD_PORT:
4736 bnx2x_init_internal_port(bp);
4737 /* no break */
4738
4739 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4740 bnx2x_init_internal_func(bp);
4741 break;
4742
4743 default:
4744 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4745 break;
4746 }
4747 }
4748
4749 static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4750 {
4751 int i;
4752
4753 for_each_queue(bp, i) {
4754 struct bnx2x_fastpath *fp = &bp->fp[i];
4755
4756 fp->bp = bp;
4757 fp->state = BNX2X_FP_STATE_CLOSED;
4758 fp->index = i;
4759 fp->cl_id = BP_L_ID(bp) + i;
4760 fp->sb_id = fp->cl_id;
4761 DP(NETIF_MSG_IFUP,
4762 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4763 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4764 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4765 FP_SB_ID(fp));
4766 bnx2x_update_fpsb_idx(fp);
4767 }
4768
4769 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4770 DEF_SB_ID);
4771 bnx2x_update_dsb_idx(bp);
4772 bnx2x_update_coalesce(bp);
4773 bnx2x_init_rx_rings(bp);
4774 bnx2x_init_tx_ring(bp);
4775 bnx2x_init_sp_ring(bp);
4776 bnx2x_init_context(bp);
4777 bnx2x_init_internal(bp, load_code);
4778 bnx2x_init_ind_table(bp);
4779 bnx2x_int_enable(bp);
4780 }
4781
4782 /* end of nic init */
4783
4784 /*
4785 * gzip service functions
4786 */
4787
4788 static int bnx2x_gunzip_init(struct bnx2x *bp)
4789 {
4790 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4791 &bp->gunzip_mapping);
4792 if (bp->gunzip_buf == NULL)
4793 goto gunzip_nomem1;
4794
4795 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4796 if (bp->strm == NULL)
4797 goto gunzip_nomem2;
4798
4799 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4800 GFP_KERNEL);
4801 if (bp->strm->workspace == NULL)
4802 goto gunzip_nomem3;
4803
4804 return 0;
4805
4806 gunzip_nomem3:
4807 kfree(bp->strm);
4808 bp->strm = NULL;
4809
4810 gunzip_nomem2:
4811 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4812 bp->gunzip_mapping);
4813 bp->gunzip_buf = NULL;
4814
4815 gunzip_nomem1:
4816 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
4817 " un-compression\n", bp->dev->name);
4818 return -ENOMEM;
4819 }
4820
4821 static void bnx2x_gunzip_end(struct bnx2x *bp)
4822 {
4823 kfree(bp->strm->workspace);
4824
4825 kfree(bp->strm);
4826 bp->strm = NULL;
4827
4828 if (bp->gunzip_buf) {
4829 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4830 bp->gunzip_mapping);
4831 bp->gunzip_buf = NULL;
4832 }
4833 }
4834
4835 static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4836 {
4837 int n, rc;
4838
4839 /* check gzip header */
4840 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4841 return -EINVAL;
4842
4843 n = 10;
4844
4845 #define FNAME 0x8
4846
4847 if (zbuf[3] & FNAME)
4848 while ((zbuf[n++] != 0) && (n < len));
4849
4850 bp->strm->next_in = zbuf + n;
4851 bp->strm->avail_in = len - n;
4852 bp->strm->next_out = bp->gunzip_buf;
4853 bp->strm->avail_out = FW_BUF_SIZE;
4854
4855 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4856 if (rc != Z_OK)
4857 return rc;
4858
4859 rc = zlib_inflate(bp->strm, Z_FINISH);
4860 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4861 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4862 bp->dev->name, bp->strm->msg);
4863
4864 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4865 if (bp->gunzip_outlen & 0x3)
4866 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4867 " gunzip_outlen (%d) not aligned\n",
4868 bp->dev->name, bp->gunzip_outlen);
4869 bp->gunzip_outlen >>= 2;
4870
4871 zlib_inflateEnd(bp->strm);
4872
4873 if (rc == Z_STREAM_END)
4874 return 0;
4875
4876 return rc;
4877 }
4878
4879 /* nic load/unload */
4880
4881 /*
4882 * General service functions
4883 */
4884
4885 /* send a NIG loopback debug packet */
4886 static void bnx2x_lb_pckt(struct bnx2x *bp)
4887 {
4888 u32 wb_write[3];
4889
4890 /* Ethernet source and destination addresses */
4891 wb_write[0] = 0x55555555;
4892 wb_write[1] = 0x55555555;
4893 wb_write[2] = 0x20; /* SOP */
4894 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4895
4896 /* NON-IP protocol */
4897 wb_write[0] = 0x09000000;
4898 wb_write[1] = 0x55555555;
4899 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
4900 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4901 }
4902
4903 /* some of the internal memories
4904 * are not directly readable from the driver
4905 * to test them we send debug packets
4906 */
4907 static int bnx2x_int_mem_test(struct bnx2x *bp)
4908 {
4909 int factor;
4910 int count, i;
4911 u32 val = 0;
4912
4913 if (CHIP_REV_IS_FPGA(bp))
4914 factor = 120;
4915 else if (CHIP_REV_IS_EMUL(bp))
4916 factor = 200;
4917 else
4918 factor = 1;
4919
4920 DP(NETIF_MSG_HW, "start part1\n");
4921
4922 /* Disable inputs of parser neighbor blocks */
4923 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4924 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4925 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4926 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4927
4928 /* Write 0 to parser credits for CFC search request */
4929 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4930
4931 /* send Ethernet packet */
4932 bnx2x_lb_pckt(bp);
4933
4934 /* TODO do i reset NIG statistic? */
4935 /* Wait until NIG register shows 1 packet of size 0x10 */
4936 count = 1000 * factor;
4937 while (count) {
4938
4939 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4940 val = *bnx2x_sp(bp, wb_data[0]);
4941 if (val == 0x10)
4942 break;
4943
4944 msleep(10);
4945 count--;
4946 }
4947 if (val != 0x10) {
4948 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4949 return -1;
4950 }
4951
4952 /* Wait until PRS register shows 1 packet */
4953 count = 1000 * factor;
4954 while (count) {
4955 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4956 if (val == 1)
4957 break;
4958
4959 msleep(10);
4960 count--;
4961 }
4962 if (val != 0x1) {
4963 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4964 return -2;
4965 }
4966
4967 /* Reset and init BRB, PRS */
4968 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4969 msleep(50);
4970 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4971 msleep(50);
4972 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4973 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4974
4975 DP(NETIF_MSG_HW, "part2\n");
4976
4977 /* Disable inputs of parser neighbor blocks */
4978 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4979 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4980 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4981 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4982
4983 /* Write 0 to parser credits for CFC search request */
4984 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4985
4986 /* send 10 Ethernet packets */
4987 for (i = 0; i < 10; i++)
4988 bnx2x_lb_pckt(bp);
4989
4990 /* Wait until NIG register shows 10 + 1
4991 packets of size 11*0x10 = 0xb0 */
4992 count = 1000 * factor;
4993 while (count) {
4994
4995 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4996 val = *bnx2x_sp(bp, wb_data[0]);
4997 if (val == 0xb0)
4998 break;
4999
5000 msleep(10);
5001 count--;
5002 }
5003 if (val != 0xb0) {
5004 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5005 return -3;
5006 }
5007
5008 /* Wait until PRS register shows 2 packets */
5009 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5010 if (val != 2)
5011 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5012
5013 /* Write 1 to parser credits for CFC search request */
5014 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5015
5016 /* Wait until PRS register shows 3 packets */
5017 msleep(10 * factor);
5018 /* Wait until NIG register shows 1 packet of size 0x10 */
5019 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5020 if (val != 3)
5021 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5022
5023 /* clear NIG EOP FIFO */
5024 for (i = 0; i < 11; i++)
5025 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5026 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5027 if (val != 1) {
5028 BNX2X_ERR("clear of NIG failed\n");
5029 return -4;
5030 }
5031
5032 /* Reset and init BRB, PRS, NIG */
5033 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5034 msleep(50);
5035 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5036 msleep(50);
5037 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5038 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5039 #ifndef BCM_ISCSI
5040 /* set NIC mode */
5041 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5042 #endif
5043
5044 /* Enable inputs of parser neighbor blocks */
5045 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5046 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5047 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5048 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
5049
5050 DP(NETIF_MSG_HW, "done\n");
5051
5052 return 0; /* OK */
5053 }
5054
5055 static void enable_blocks_attention(struct bnx2x *bp)
5056 {
5057 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5058 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5059 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5060 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5061 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5062 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5063 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5064 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5065 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
5066 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5067 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
5068 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5069 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5070 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
5071 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5072 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
5073 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5074 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5075 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5076 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
5077 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5078 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5079 if (CHIP_REV_IS_FPGA(bp))
5080 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5081 else
5082 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
5083 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5084 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5085 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
5086 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5087 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
5088 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5089 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5090 /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5091 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
5092 }
5093
5094
5095 static int bnx2x_init_common(struct bnx2x *bp)
5096 {
5097 u32 val, i;
5098
5099 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5100
5101 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5102 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5103
5104 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5105 if (CHIP_IS_E1H(bp))
5106 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5107
5108 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5109 msleep(30);
5110 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5111
5112 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5113 if (CHIP_IS_E1(bp)) {
5114 /* enable HW interrupt from PXP on USDM overflow
5115 bit 16 on INT_MASK_0 */
5116 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5117 }
5118
5119 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5120 bnx2x_init_pxp(bp);
5121
5122 #ifdef __BIG_ENDIAN
5123 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5124 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5125 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5126 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5127 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5128 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
5129
5130 /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5131 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5132 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5133 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5134 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5135 #endif
5136
5137 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
5138 #ifdef BCM_ISCSI
5139 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5140 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5141 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
5142 #endif
5143
5144 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5145 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5146
5147 /* let the HW do it's magic ... */
5148 msleep(100);
5149 /* finish PXP init */
5150 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5151 if (val != 1) {
5152 BNX2X_ERR("PXP2 CFG failed\n");
5153 return -EBUSY;
5154 }
5155 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5156 if (val != 1) {
5157 BNX2X_ERR("PXP2 RD_INIT failed\n");
5158 return -EBUSY;
5159 }
5160
5161 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5162 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5163
5164 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
5165
5166 /* clean the DMAE memory */
5167 bp->dmae_ready = 1;
5168 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5169
5170 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5171 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5172 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5173 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
5174
5175 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5176 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5177 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5178 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5179
5180 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5181 /* soft reset pulse */
5182 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5183 REG_WR(bp, QM_REG_SOFT_RESET, 0);
5184
5185 #ifdef BCM_ISCSI
5186 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
5187 #endif
5188
5189 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5190 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5191 if (!CHIP_REV_IS_SLOW(bp)) {
5192 /* enable hw interrupt from doorbell Q */
5193 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5194 }
5195
5196 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5197 if (CHIP_REV_IS_SLOW(bp)) {
5198 /* fix for emulation and FPGA for no pause */
5199 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5200 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5201 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5202 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5203 }
5204
5205 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5206 /* set NIC mode */
5207 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5208 if (CHIP_IS_E1H(bp))
5209 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
5210
5211 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5212 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5213 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5214 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
5215
5216 if (CHIP_IS_E1H(bp)) {
5217 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5218 STORM_INTMEM_SIZE_E1H/2);
5219 bnx2x_init_fill(bp,
5220 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5221 0, STORM_INTMEM_SIZE_E1H/2);
5222 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5223 STORM_INTMEM_SIZE_E1H/2);
5224 bnx2x_init_fill(bp,
5225 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5226 0, STORM_INTMEM_SIZE_E1H/2);
5227 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5228 STORM_INTMEM_SIZE_E1H/2);
5229 bnx2x_init_fill(bp,
5230 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5231 0, STORM_INTMEM_SIZE_E1H/2);
5232 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5233 STORM_INTMEM_SIZE_E1H/2);
5234 bnx2x_init_fill(bp,
5235 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5236 0, STORM_INTMEM_SIZE_E1H/2);
5237 } else { /* E1 */
5238 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5239 STORM_INTMEM_SIZE_E1);
5240 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5241 STORM_INTMEM_SIZE_E1);
5242 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5243 STORM_INTMEM_SIZE_E1);
5244 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5245 STORM_INTMEM_SIZE_E1);
5246 }
5247
5248 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5249 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5250 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5251 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
5252
5253 /* sync semi rtc */
5254 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5255 0x80000000);
5256 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5257 0x80000000);
5258
5259 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5260 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5261 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
5262
5263 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5264 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5265 REG_WR(bp, i, 0xc0cac01a);
5266 /* TODO: replace with something meaningful */
5267 }
5268 if (CHIP_IS_E1H(bp))
5269 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5270 REG_WR(bp, SRC_REG_SOFT_RST, 0);
5271
5272 if (sizeof(union cdu_context) != 1024)
5273 /* we currently assume that a context is 1024 bytes */
5274 printk(KERN_ALERT PFX "please adjust the size of"
5275 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
5276
5277 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5278 val = (4 << 24) + (0 << 12) + 1024;
5279 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5280 if (CHIP_IS_E1(bp)) {
5281 /* !!! fix pxp client crdit until excel update */
5282 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5283 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5284 }
5285
5286 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5287 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5288
5289 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5290 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
5291
5292 /* PXPCS COMMON comes here */
5293 /* Reset PCIE errors for debug */
5294 REG_WR(bp, 0x2814, 0xffffffff);
5295 REG_WR(bp, 0x3820, 0xffffffff);
5296
5297 /* EMAC0 COMMON comes here */
5298 /* EMAC1 COMMON comes here */
5299 /* DBU COMMON comes here */
5300 /* DBG COMMON comes here */
5301
5302 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5303 if (CHIP_IS_E1H(bp)) {
5304 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5305 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5306 }
5307
5308 if (CHIP_REV_IS_SLOW(bp))
5309 msleep(200);
5310
5311 /* finish CFC init */
5312 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5313 if (val != 1) {
5314 BNX2X_ERR("CFC LL_INIT failed\n");
5315 return -EBUSY;
5316 }
5317 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5318 if (val != 1) {
5319 BNX2X_ERR("CFC AC_INIT failed\n");
5320 return -EBUSY;
5321 }
5322 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5323 if (val != 1) {
5324 BNX2X_ERR("CFC CAM_INIT failed\n");
5325 return -EBUSY;
5326 }
5327 REG_WR(bp, CFC_REG_DEBUG0, 0);
5328
5329 /* read NIG statistic
5330 to see if this is our first up since powerup */
5331 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5332 val = *bnx2x_sp(bp, wb_data[0]);
5333
5334 /* do internal memory self test */
5335 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5336 BNX2X_ERR("internal mem self test failed\n");
5337 return -EBUSY;
5338 }
5339
5340 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5341 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5342 /* Fan failure is indicated by SPIO 5 */
5343 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5344 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5345
5346 /* set to active low mode */
5347 val = REG_RD(bp, MISC_REG_SPIO_INT);
5348 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
5349 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5350 REG_WR(bp, MISC_REG_SPIO_INT, val);
5351
5352 /* enable interrupt to signal the IGU */
5353 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5354 val |= (1 << MISC_REGISTERS_SPIO_5);
5355 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5356 break;
5357
5358 default:
5359 break;
5360 }
5361
5362 /* clear PXP2 attentions */
5363 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5364
5365 enable_blocks_attention(bp);
5366
5367 if (bp->flags & TPA_ENABLE_FLAG) {
5368 struct tstorm_eth_tpa_exist tmp = {0};
5369
5370 tmp.tpa_exist = 1;
5371
5372 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
5373 ((u32 *)&tmp)[0]);
5374 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
5375 ((u32 *)&tmp)[1]);
5376 }
5377
5378 if (!BP_NOMCP(bp)) {
5379 bnx2x_acquire_phy_lock(bp);
5380 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5381 bnx2x_release_phy_lock(bp);
5382 } else
5383 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5384
5385 return 0;
5386 }
5387
5388 static int bnx2x_init_port(struct bnx2x *bp)
5389 {
5390 int port = BP_PORT(bp);
5391 u32 val;
5392
5393 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5394
5395 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5396
5397 /* Port PXP comes here */
5398 /* Port PXP2 comes here */
5399 #ifdef BCM_ISCSI
5400 /* Port0 1
5401 * Port1 385 */
5402 i++;
5403 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5404 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5405 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5406 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5407
5408 /* Port0 2
5409 * Port1 386 */
5410 i++;
5411 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5412 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5413 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5414 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5415
5416 /* Port0 3
5417 * Port1 387 */
5418 i++;
5419 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5420 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5421 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5422 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5423 #endif
5424 /* Port CMs come here */
5425
5426 /* Port QM comes here */
5427 #ifdef BCM_ISCSI
5428 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5429 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5430
5431 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5432 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5433 #endif
5434 /* Port DQ comes here */
5435 /* Port BRB1 comes here */
5436 /* Port PRS comes here */
5437 /* Port TSDM comes here */
5438 /* Port CSDM comes here */
5439 /* Port USDM comes here */
5440 /* Port XSDM comes here */
5441 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5442 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5443 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5444 port ? USEM_PORT1_END : USEM_PORT0_END);
5445 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5446 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5447 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5448 port ? XSEM_PORT1_END : XSEM_PORT0_END);
5449 /* Port UPB comes here */
5450 /* Port XPB comes here */
5451
5452 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5453 port ? PBF_PORT1_END : PBF_PORT0_END);
5454
5455 /* configure PBF to work without PAUSE mtu 9000 */
5456 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5457
5458 /* update threshold */
5459 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5460 /* update init credit */
5461 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5462
5463 /* probe changes */
5464 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5465 msleep(5);
5466 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5467
5468 #ifdef BCM_ISCSI
5469 /* tell the searcher where the T2 table is */
5470 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5471
5472 wb_write[0] = U64_LO(bp->t2_mapping);
5473 wb_write[1] = U64_HI(bp->t2_mapping);
5474 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5475 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5476 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5477 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5478
5479 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5480 /* Port SRCH comes here */
5481 #endif
5482 /* Port CDU comes here */
5483 /* Port CFC comes here */
5484
5485 if (CHIP_IS_E1(bp)) {
5486 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5487 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5488 }
5489 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5490 port ? HC_PORT1_END : HC_PORT0_END);
5491
5492 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
5493 MISC_AEU_PORT0_START,
5494 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5495 /* init aeu_mask_attn_func_0/1:
5496 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5497 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5498 * bits 4-7 are used for "per vn group attention" */
5499 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5500 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5501
5502 /* Port PXPCS comes here */
5503 /* Port EMAC0 comes here */
5504 /* Port EMAC1 comes here */
5505 /* Port DBU comes here */
5506 /* Port DBG comes here */
5507 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5508 port ? NIG_PORT1_END : NIG_PORT0_END);
5509
5510 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5511
5512 if (CHIP_IS_E1H(bp)) {
5513 u32 wsum;
5514 struct cmng_struct_per_port m_cmng_port;
5515 int vn;
5516
5517 /* 0x2 disable e1hov, 0x1 enable */
5518 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5519 (IS_E1HMF(bp) ? 0x1 : 0x2));
5520
5521 /* Init RATE SHAPING and FAIRNESS contexts.
5522 Initialize as if there is 10G link. */
5523 wsum = bnx2x_calc_vn_wsum(bp);
5524 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5525 if (IS_E1HMF(bp))
5526 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5527 bnx2x_init_vn_minmax(bp, 2*vn + port,
5528 wsum, 10000, &m_cmng_port);
5529 }
5530
5531 /* Port MCP comes here */
5532 /* Port DMAE comes here */
5533
5534 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5535 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5536 /* add SPIO 5 to group 0 */
5537 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5538 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5539 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5540 break;
5541
5542 default:
5543 break;
5544 }
5545
5546 bnx2x__link_reset(bp);
5547
5548 return 0;
5549 }
5550
5551 #define ILT_PER_FUNC (768/2)
5552 #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5553 /* the phys address is shifted right 12 bits and has an added
5554 1=valid bit added to the 53rd bit
5555 then since this is a wide register(TM)
5556 we split it into two 32 bit writes
5557 */
5558 #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5559 #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5560 #define PXP_ONE_ILT(x) (((x) << 10) | x)
5561 #define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5562
5563 #define CNIC_ILT_LINES 0
5564
5565 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5566 {
5567 int reg;
5568
5569 if (CHIP_IS_E1H(bp))
5570 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5571 else /* E1 */
5572 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5573
5574 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5575 }
5576
5577 static int bnx2x_init_func(struct bnx2x *bp)
5578 {
5579 int port = BP_PORT(bp);
5580 int func = BP_FUNC(bp);
5581 int i;
5582
5583 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5584
5585 i = FUNC_ILT_BASE(func);
5586
5587 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5588 if (CHIP_IS_E1H(bp)) {
5589 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5590 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5591 } else /* E1 */
5592 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5593 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5594
5595
5596 if (CHIP_IS_E1H(bp)) {
5597 for (i = 0; i < 9; i++)
5598 bnx2x_init_block(bp,
5599 cm_start[func][i], cm_end[func][i]);
5600
5601 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5602 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5603 }
5604
5605 /* HC init per function */
5606 if (CHIP_IS_E1H(bp)) {
5607 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5608
5609 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5610 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5611 }
5612 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5613
5614 if (CHIP_IS_E1H(bp))
5615 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5616
5617 /* Reset PCIE errors for debug */
5618 REG_WR(bp, 0x2114, 0xffffffff);
5619 REG_WR(bp, 0x2120, 0xffffffff);
5620
5621 return 0;
5622 }
5623
5624 static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5625 {
5626 int i, rc = 0;
5627
5628 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5629 BP_FUNC(bp), load_code);
5630
5631 bp->dmae_ready = 0;
5632 mutex_init(&bp->dmae_mutex);
5633 bnx2x_gunzip_init(bp);
5634
5635 switch (load_code) {
5636 case FW_MSG_CODE_DRV_LOAD_COMMON:
5637 rc = bnx2x_init_common(bp);
5638 if (rc)
5639 goto init_hw_err;
5640 /* no break */
5641
5642 case FW_MSG_CODE_DRV_LOAD_PORT:
5643 bp->dmae_ready = 1;
5644 rc = bnx2x_init_port(bp);
5645 if (rc)
5646 goto init_hw_err;
5647 /* no break */
5648
5649 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5650 bp->dmae_ready = 1;
5651 rc = bnx2x_init_func(bp);
5652 if (rc)
5653 goto init_hw_err;
5654 break;
5655
5656 default:
5657 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5658 break;
5659 }
5660
5661 if (!BP_NOMCP(bp)) {
5662 int func = BP_FUNC(bp);
5663
5664 bp->fw_drv_pulse_wr_seq =
5665 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5666 DRV_PULSE_SEQ_MASK);
5667 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5668 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5669 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5670 } else
5671 bp->func_stx = 0;
5672
5673 /* this needs to be done before gunzip end */
5674 bnx2x_zero_def_sb(bp);
5675 for_each_queue(bp, i)
5676 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5677
5678 init_hw_err:
5679 bnx2x_gunzip_end(bp);
5680
5681 return rc;
5682 }
5683
5684 /* send the MCP a request, block until there is a reply */
5685 static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5686 {
5687 int func = BP_FUNC(bp);
5688 u32 seq = ++bp->fw_seq;
5689 u32 rc = 0;
5690 u32 cnt = 1;
5691 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
5692
5693 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
5694 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
5695
5696 do {
5697 /* let the FW do it's magic ... */
5698 msleep(delay);
5699
5700 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
5701
5702 /* Give the FW up to 2 second (200*10ms) */
5703 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5704
5705 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5706 cnt*delay, rc, seq);
5707
5708 /* is this a reply to our command? */
5709 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5710 rc &= FW_MSG_CODE_MASK;
5711
5712 } else {
5713 /* FW BUG! */
5714 BNX2X_ERR("FW failed to respond!\n");
5715 bnx2x_fw_dump(bp);
5716 rc = 0;
5717 }
5718
5719 return rc;
5720 }
5721
5722 static void bnx2x_free_mem(struct bnx2x *bp)
5723 {
5724
5725 #define BNX2X_PCI_FREE(x, y, size) \
5726 do { \
5727 if (x) { \
5728 pci_free_consistent(bp->pdev, size, x, y); \
5729 x = NULL; \
5730 y = 0; \
5731 } \
5732 } while (0)
5733
5734 #define BNX2X_FREE(x) \
5735 do { \
5736 if (x) { \
5737 vfree(x); \
5738 x = NULL; \
5739 } \
5740 } while (0)
5741
5742 int i;
5743
5744 /* fastpath */
5745 for_each_queue(bp, i) {
5746
5747 /* Status blocks */
5748 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5749 bnx2x_fp(bp, i, status_blk_mapping),
5750 sizeof(struct host_status_block) +
5751 sizeof(struct eth_tx_db_data));
5752
5753 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5754 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5755 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5756 bnx2x_fp(bp, i, tx_desc_mapping),
5757 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5758
5759 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5760 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5761 bnx2x_fp(bp, i, rx_desc_mapping),
5762 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5763
5764 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5765 bnx2x_fp(bp, i, rx_comp_mapping),
5766 sizeof(struct eth_fast_path_rx_cqe) *
5767 NUM_RCQ_BD);
5768
5769 /* SGE ring */
5770 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5771 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5772 bnx2x_fp(bp, i, rx_sge_mapping),
5773 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5774 }
5775 /* end of fastpath */
5776
5777 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5778 sizeof(struct host_def_status_block));
5779
5780 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5781 sizeof(struct bnx2x_slowpath));
5782
5783 #ifdef BCM_ISCSI
5784 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5785 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5786 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5787 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5788 #endif
5789 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
5790
5791 #undef BNX2X_PCI_FREE
5792 #undef BNX2X_KFREE
5793 }
5794
5795 static int bnx2x_alloc_mem(struct bnx2x *bp)
5796 {
5797
5798 #define BNX2X_PCI_ALLOC(x, y, size) \
5799 do { \
5800 x = pci_alloc_consistent(bp->pdev, size, y); \
5801 if (x == NULL) \
5802 goto alloc_mem_err; \
5803 memset(x, 0, size); \
5804 } while (0)
5805
5806 #define BNX2X_ALLOC(x, size) \
5807 do { \
5808 x = vmalloc(size); \
5809 if (x == NULL) \
5810 goto alloc_mem_err; \
5811 memset(x, 0, size); \
5812 } while (0)
5813
5814 int i;
5815
5816 /* fastpath */
5817 for_each_queue(bp, i) {
5818 bnx2x_fp(bp, i, bp) = bp;
5819
5820 /* Status blocks */
5821 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5822 &bnx2x_fp(bp, i, status_blk_mapping),
5823 sizeof(struct host_status_block) +
5824 sizeof(struct eth_tx_db_data));
5825
5826 bnx2x_fp(bp, i, hw_tx_prods) =
5827 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5828
5829 bnx2x_fp(bp, i, tx_prods_mapping) =
5830 bnx2x_fp(bp, i, status_blk_mapping) +
5831 sizeof(struct host_status_block);
5832
5833 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5834 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5835 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5836 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5837 &bnx2x_fp(bp, i, tx_desc_mapping),
5838 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5839
5840 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5841 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5842 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5843 &bnx2x_fp(bp, i, rx_desc_mapping),
5844 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5845
5846 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5847 &bnx2x_fp(bp, i, rx_comp_mapping),
5848 sizeof(struct eth_fast_path_rx_cqe) *
5849 NUM_RCQ_BD);
5850
5851 /* SGE ring */
5852 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5853 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5854 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5855 &bnx2x_fp(bp, i, rx_sge_mapping),
5856 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5857 }
5858 /* end of fastpath */
5859
5860 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5861 sizeof(struct host_def_status_block));
5862
5863 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5864 sizeof(struct bnx2x_slowpath));
5865
5866 #ifdef BCM_ISCSI
5867 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5868
5869 /* Initialize T1 */
5870 for (i = 0; i < 64*1024; i += 64) {
5871 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5872 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5873 }
5874
5875 /* allocate searcher T2 table
5876 we allocate 1/4 of alloc num for T2
5877 (which is not entered into the ILT) */
5878 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5879
5880 /* Initialize T2 */
5881 for (i = 0; i < 16*1024; i += 64)
5882 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5883
5884 /* now fixup the last line in the block to point to the next block */
5885 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5886
5887 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5888 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5889
5890 /* QM queues (128*MAX_CONN) */
5891 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5892 #endif
5893
5894 /* Slow path ring */
5895 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5896
5897 return 0;
5898
5899 alloc_mem_err:
5900 bnx2x_free_mem(bp);
5901 return -ENOMEM;
5902
5903 #undef BNX2X_PCI_ALLOC
5904 #undef BNX2X_ALLOC
5905 }
5906
5907 static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5908 {
5909 int i;
5910
5911 for_each_queue(bp, i) {
5912 struct bnx2x_fastpath *fp = &bp->fp[i];
5913
5914 u16 bd_cons = fp->tx_bd_cons;
5915 u16 sw_prod = fp->tx_pkt_prod;
5916 u16 sw_cons = fp->tx_pkt_cons;
5917
5918 while (sw_cons != sw_prod) {
5919 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5920 sw_cons++;
5921 }
5922 }
5923 }
5924
5925 static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5926 {
5927 int i, j;
5928
5929 for_each_queue(bp, j) {
5930 struct bnx2x_fastpath *fp = &bp->fp[j];
5931
5932 for (i = 0; i < NUM_RX_BD; i++) {
5933 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5934 struct sk_buff *skb = rx_buf->skb;
5935
5936 if (skb == NULL)
5937 continue;
5938
5939 pci_unmap_single(bp->pdev,
5940 pci_unmap_addr(rx_buf, mapping),
5941 bp->rx_buf_use_size,
5942 PCI_DMA_FROMDEVICE);
5943
5944 rx_buf->skb = NULL;
5945 dev_kfree_skb(skb);
5946 }
5947 if (!fp->disable_tpa)
5948 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5949 ETH_MAX_AGGREGATION_QUEUES_E1 :
5950 ETH_MAX_AGGREGATION_QUEUES_E1H);
5951 }
5952 }
5953
5954 static void bnx2x_free_skbs(struct bnx2x *bp)
5955 {
5956 bnx2x_free_tx_skbs(bp);
5957 bnx2x_free_rx_skbs(bp);
5958 }
5959
5960 static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5961 {
5962 int i, offset = 1;
5963
5964 free_irq(bp->msix_table[0].vector, bp->dev);
5965 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
5966 bp->msix_table[0].vector);
5967
5968 for_each_queue(bp, i) {
5969 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
5970 "state %x\n", i, bp->msix_table[i + offset].vector,
5971 bnx2x_fp(bp, i, state));
5972
5973 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5974 BNX2X_ERR("IRQ of fp #%d being freed while "
5975 "state != closed\n", i);
5976
5977 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
5978 }
5979 }
5980
5981 static void bnx2x_free_irq(struct bnx2x *bp)
5982 {
5983 if (bp->flags & USING_MSIX_FLAG) {
5984 bnx2x_free_msix_irqs(bp);
5985 pci_disable_msix(bp->pdev);
5986 bp->flags &= ~USING_MSIX_FLAG;
5987
5988 } else
5989 free_irq(bp->pdev->irq, bp->dev);
5990 }
5991
5992 static int bnx2x_enable_msix(struct bnx2x *bp)
5993 {
5994 int i, rc, offset;
5995
5996 bp->msix_table[0].entry = 0;
5997 offset = 1;
5998 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
5999
6000 for_each_queue(bp, i) {
6001 int igu_vec = offset + i + BP_L_ID(bp);
6002
6003 bp->msix_table[i + offset].entry = igu_vec;
6004 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6005 "(fastpath #%u)\n", i + offset, igu_vec, i);
6006 }
6007
6008 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6009 bp->num_queues + offset);
6010 if (rc) {
6011 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6012 return -1;
6013 }
6014 bp->flags |= USING_MSIX_FLAG;
6015
6016 return 0;
6017 }
6018
6019 static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6020 {
6021 int i, rc, offset = 1;
6022
6023 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6024 bp->dev->name, bp->dev);
6025 if (rc) {
6026 BNX2X_ERR("request sp irq failed\n");
6027 return -EBUSY;
6028 }
6029
6030 for_each_queue(bp, i) {
6031 rc = request_irq(bp->msix_table[i + offset].vector,
6032 bnx2x_msix_fp_int, 0,
6033 bp->dev->name, &bp->fp[i]);
6034 if (rc) {
6035 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6036 i + offset, -rc);
6037 bnx2x_free_msix_irqs(bp);
6038 return -EBUSY;
6039 }
6040
6041 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
6042 }
6043
6044 return 0;
6045 }
6046
6047 static int bnx2x_req_irq(struct bnx2x *bp)
6048 {
6049 int rc;
6050
6051 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6052 bp->dev->name, bp->dev);
6053 if (!rc)
6054 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6055
6056 return rc;
6057 }
6058
6059 /*
6060 * Init service functions
6061 */
6062
6063 static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
6064 {
6065 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6066 int port = BP_PORT(bp);
6067
6068 /* CAM allocation
6069 * unicasts 0-31:port0 32-63:port1
6070 * multicast 64-127:port0 128-191:port1
6071 */
6072 config->hdr.length_6b = 2;
6073 config->hdr.offset = port ? 31 : 0;
6074 config->hdr.client_id = BP_CL_ID(bp);
6075 config->hdr.reserved1 = 0;
6076
6077 /* primary MAC */
6078 config->config_table[0].cam_entry.msb_mac_addr =
6079 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6080 config->config_table[0].cam_entry.middle_mac_addr =
6081 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6082 config->config_table[0].cam_entry.lsb_mac_addr =
6083 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6084 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
6085 if (set)
6086 config->config_table[0].target_table_entry.flags = 0;
6087 else
6088 CAM_INVALIDATE(config->config_table[0]);
6089 config->config_table[0].target_table_entry.client_id = 0;
6090 config->config_table[0].target_table_entry.vlan_id = 0;
6091
6092 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6093 (set ? "setting" : "clearing"),
6094 config->config_table[0].cam_entry.msb_mac_addr,
6095 config->config_table[0].cam_entry.middle_mac_addr,
6096 config->config_table[0].cam_entry.lsb_mac_addr);
6097
6098 /* broadcast */
6099 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6100 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6101 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
6102 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
6103 if (set)
6104 config->config_table[1].target_table_entry.flags =
6105 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6106 else
6107 CAM_INVALIDATE(config->config_table[1]);
6108 config->config_table[1].target_table_entry.client_id = 0;
6109 config->config_table[1].target_table_entry.vlan_id = 0;
6110
6111 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6112 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6113 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6114 }
6115
6116 static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
6117 {
6118 struct mac_configuration_cmd_e1h *config =
6119 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6120
6121 if (set && (bp->state != BNX2X_STATE_OPEN)) {
6122 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6123 return;
6124 }
6125
6126 /* CAM allocation for E1H
6127 * unicasts: by func number
6128 * multicast: 20+FUNC*20, 20 each
6129 */
6130 config->hdr.length_6b = 1;
6131 config->hdr.offset = BP_FUNC(bp);
6132 config->hdr.client_id = BP_CL_ID(bp);
6133 config->hdr.reserved1 = 0;
6134
6135 /* primary MAC */
6136 config->config_table[0].msb_mac_addr =
6137 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6138 config->config_table[0].middle_mac_addr =
6139 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6140 config->config_table[0].lsb_mac_addr =
6141 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6142 config->config_table[0].client_id = BP_L_ID(bp);
6143 config->config_table[0].vlan_id = 0;
6144 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6145 if (set)
6146 config->config_table[0].flags = BP_PORT(bp);
6147 else
6148 config->config_table[0].flags =
6149 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
6150
6151 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6152 (set ? "setting" : "clearing"),
6153 config->config_table[0].msb_mac_addr,
6154 config->config_table[0].middle_mac_addr,
6155 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6156
6157 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6158 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6159 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6160 }
6161
6162 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6163 int *state_p, int poll)
6164 {
6165 /* can take a while if any port is running */
6166 int cnt = 500;
6167
6168 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6169 poll ? "polling" : "waiting", state, idx);
6170
6171 might_sleep();
6172 while (cnt--) {
6173 if (poll) {
6174 bnx2x_rx_int(bp->fp, 10);
6175 /* if index is different from 0
6176 * the reply for some commands will
6177 * be on the non default queue
6178 */
6179 if (idx)
6180 bnx2x_rx_int(&bp->fp[idx], 10);
6181 }
6182
6183 mb(); /* state is changed by bnx2x_sp_event() */
6184 if (*state_p == state)
6185 return 0;
6186
6187 msleep(1);
6188 }
6189
6190 /* timeout! */
6191 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6192 poll ? "polling" : "waiting", state, idx);
6193 #ifdef BNX2X_STOP_ON_ERROR
6194 bnx2x_panic();
6195 #endif
6196
6197 return -EBUSY;
6198 }
6199
6200 static int bnx2x_setup_leading(struct bnx2x *bp)
6201 {
6202 int rc;
6203
6204 /* reset IGU state */
6205 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6206
6207 /* SETUP ramrod */
6208 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6209
6210 /* Wait for completion */
6211 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
6212
6213 return rc;
6214 }
6215
6216 static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6217 {
6218 /* reset IGU state */
6219 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6220
6221 /* SETUP ramrod */
6222 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6223 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6224
6225 /* Wait for completion */
6226 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
6227 &(bp->fp[index].state), 0);
6228 }
6229
6230 static int bnx2x_poll(struct napi_struct *napi, int budget);
6231 static void bnx2x_set_rx_mode(struct net_device *dev);
6232
6233 /* must be called with rtnl_lock */
6234 static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
6235 {
6236 u32 load_code;
6237 int i, rc;
6238 #ifdef BNX2X_STOP_ON_ERROR
6239 if (unlikely(bp->panic))
6240 return -EPERM;
6241 #endif
6242
6243 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6244
6245 /* Send LOAD_REQUEST command to MCP
6246 Returns the type of LOAD command:
6247 if it is the first port to be initialized
6248 common blocks should be initialized, otherwise - not
6249 */
6250 if (!BP_NOMCP(bp)) {
6251 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6252 if (!load_code) {
6253 BNX2X_ERR("MCP response failure, aborting\n");
6254 return -EBUSY;
6255 }
6256 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
6257 return -EBUSY; /* other port in diagnostic mode */
6258
6259 } else {
6260 int port = BP_PORT(bp);
6261
6262 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6263 load_count[0], load_count[1], load_count[2]);
6264 load_count[0]++;
6265 load_count[1 + port]++;
6266 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6267 load_count[0], load_count[1], load_count[2]);
6268 if (load_count[0] == 1)
6269 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6270 else if (load_count[1 + port] == 1)
6271 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6272 else
6273 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
6274 }
6275
6276 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6277 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6278 bp->port.pmf = 1;
6279 else
6280 bp->port.pmf = 0;
6281 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6282
6283 /* if we can't use MSI-X we only need one fp,
6284 * so try to enable MSI-X with the requested number of fp's
6285 * and fallback to inta with one fp
6286 */
6287 if (use_inta) {
6288 bp->num_queues = 1;
6289
6290 } else {
6291 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6292 /* user requested number */
6293 bp->num_queues = use_multi;
6294
6295 else if (use_multi)
6296 bp->num_queues = min_t(u32, num_online_cpus(),
6297 BP_MAX_QUEUES(bp));
6298 else
6299 bp->num_queues = 1;
6300
6301 if (bnx2x_enable_msix(bp)) {
6302 /* failed to enable MSI-X */
6303 bp->num_queues = 1;
6304 if (use_multi)
6305 BNX2X_ERR("Multi requested but failed"
6306 " to enable MSI-X\n");
6307 }
6308 }
6309 DP(NETIF_MSG_IFUP,
6310 "set number of queues to %d\n", bp->num_queues);
6311
6312 if (bnx2x_alloc_mem(bp))
6313 return -ENOMEM;
6314
6315 for_each_queue(bp, i)
6316 bnx2x_fp(bp, i, disable_tpa) =
6317 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6318
6319 if (bp->flags & USING_MSIX_FLAG) {
6320 rc = bnx2x_req_msix_irqs(bp);
6321 if (rc) {
6322 pci_disable_msix(bp->pdev);
6323 goto load_error;
6324 }
6325 } else {
6326 bnx2x_ack_int(bp);
6327 rc = bnx2x_req_irq(bp);
6328 if (rc) {
6329 BNX2X_ERR("IRQ request failed, aborting\n");
6330 goto load_error;
6331 }
6332 }
6333
6334 for_each_queue(bp, i)
6335 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6336 bnx2x_poll, 128);
6337
6338 /* Initialize HW */
6339 rc = bnx2x_init_hw(bp, load_code);
6340 if (rc) {
6341 BNX2X_ERR("HW init failed, aborting\n");
6342 goto load_error;
6343 }
6344
6345 /* Setup NIC internals and enable interrupts */
6346 bnx2x_nic_init(bp, load_code);
6347
6348 /* Send LOAD_DONE command to MCP */
6349 if (!BP_NOMCP(bp)) {
6350 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6351 if (!load_code) {
6352 BNX2X_ERR("MCP response failure, aborting\n");
6353 rc = -EBUSY;
6354 goto load_int_disable;
6355 }
6356 }
6357
6358 bnx2x_stats_init(bp);
6359
6360 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6361
6362 /* Enable Rx interrupt handling before sending the ramrod
6363 as it's completed on Rx FP queue */
6364 for_each_queue(bp, i)
6365 napi_enable(&bnx2x_fp(bp, i, napi));
6366
6367 /* Enable interrupt handling */
6368 atomic_set(&bp->intr_sem, 0);
6369
6370 rc = bnx2x_setup_leading(bp);
6371 if (rc) {
6372 BNX2X_ERR("Setup leading failed!\n");
6373 goto load_stop_netif;
6374 }
6375
6376 if (CHIP_IS_E1H(bp))
6377 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6378 BNX2X_ERR("!!! mf_cfg function disabled\n");
6379 bp->state = BNX2X_STATE_DISABLED;
6380 }
6381
6382 if (bp->state == BNX2X_STATE_OPEN)
6383 for_each_nondefault_queue(bp, i) {
6384 rc = bnx2x_setup_multi(bp, i);
6385 if (rc)
6386 goto load_stop_netif;
6387 }
6388
6389 if (CHIP_IS_E1(bp))
6390 bnx2x_set_mac_addr_e1(bp, 1);
6391 else
6392 bnx2x_set_mac_addr_e1h(bp, 1);
6393
6394 if (bp->port.pmf)
6395 bnx2x_initial_phy_init(bp);
6396
6397 /* Start fast path */
6398 switch (load_mode) {
6399 case LOAD_NORMAL:
6400 /* Tx queue should be only reenabled */
6401 netif_wake_queue(bp->dev);
6402 bnx2x_set_rx_mode(bp->dev);
6403 break;
6404
6405 case LOAD_OPEN:
6406 netif_start_queue(bp->dev);
6407 bnx2x_set_rx_mode(bp->dev);
6408 if (bp->flags & USING_MSIX_FLAG)
6409 printk(KERN_INFO PFX "%s: using MSI-X\n",
6410 bp->dev->name);
6411 break;
6412
6413 case LOAD_DIAG:
6414 bnx2x_set_rx_mode(bp->dev);
6415 bp->state = BNX2X_STATE_DIAG;
6416 break;
6417
6418 default:
6419 break;
6420 }
6421
6422 if (!bp->port.pmf)
6423 bnx2x__link_status_update(bp);
6424
6425 /* start the timer */
6426 mod_timer(&bp->timer, jiffies + bp->current_interval);
6427
6428
6429 return 0;
6430
6431 load_stop_netif:
6432 for_each_queue(bp, i)
6433 napi_disable(&bnx2x_fp(bp, i, napi));
6434
6435 load_int_disable:
6436 bnx2x_int_disable_sync(bp);
6437
6438 /* Release IRQs */
6439 bnx2x_free_irq(bp);
6440
6441 /* Free SKBs, SGEs, TPA pool and driver internals */
6442 bnx2x_free_skbs(bp);
6443 for_each_queue(bp, i)
6444 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6445 load_error:
6446 bnx2x_free_mem(bp);
6447
6448 /* TBD we really need to reset the chip
6449 if we want to recover from this */
6450 return rc;
6451 }
6452
6453 static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6454 {
6455 int rc;
6456
6457 /* halt the connection */
6458 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6459 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);
6460
6461 /* Wait for completion */
6462 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6463 &(bp->fp[index].state), 1);
6464 if (rc) /* timeout */
6465 return rc;
6466
6467 /* delete cfc entry */
6468 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6469
6470 /* Wait for completion */
6471 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6472 &(bp->fp[index].state), 1);
6473 return rc;
6474 }
6475
6476 static int bnx2x_stop_leading(struct bnx2x *bp)
6477 {
6478 u16 dsb_sp_prod_idx;
6479 /* if the other port is handling traffic,
6480 this can take a lot of time */
6481 int cnt = 500;
6482 int rc;
6483
6484 might_sleep();
6485
6486 /* Send HALT ramrod */
6487 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6488 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
6489
6490 /* Wait for completion */
6491 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6492 &(bp->fp[0].state), 1);
6493 if (rc) /* timeout */
6494 return rc;
6495
6496 dsb_sp_prod_idx = *bp->dsb_sp_prod;
6497
6498 /* Send PORT_DELETE ramrod */
6499 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6500
6501 /* Wait for completion to arrive on default status block
6502 we are going to reset the chip anyway
6503 so there is not much to do if this times out
6504 */
6505 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
6506 if (!cnt) {
6507 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6508 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6509 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6510 #ifdef BNX2X_STOP_ON_ERROR
6511 bnx2x_panic();
6512 #else
6513 rc = -EBUSY;
6514 #endif
6515 break;
6516 }
6517 cnt--;
6518 msleep(1);
6519 }
6520 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6521 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6522
6523 return rc;
6524 }
6525
6526 static void bnx2x_reset_func(struct bnx2x *bp)
6527 {
6528 int port = BP_PORT(bp);
6529 int func = BP_FUNC(bp);
6530 int base, i;
6531
6532 /* Configure IGU */
6533 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6534 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6535
6536 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6537
6538 /* Clear ILT */
6539 base = FUNC_ILT_BASE(func);
6540 for (i = base; i < base + ILT_PER_FUNC; i++)
6541 bnx2x_ilt_wr(bp, i, 0);
6542 }
6543
6544 static void bnx2x_reset_port(struct bnx2x *bp)
6545 {
6546 int port = BP_PORT(bp);
6547 u32 val;
6548
6549 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6550
6551 /* Do not rcv packets to BRB */
6552 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6553 /* Do not direct rcv packets that are not for MCP to the BRB */
6554 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6555 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6556
6557 /* Configure AEU */
6558 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6559
6560 msleep(100);
6561 /* Check for BRB port occupancy */
6562 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6563 if (val)
6564 DP(NETIF_MSG_IFDOWN,
6565 "BRB1 is not empty %d blocks are occupied\n", val);
6566
6567 /* TODO: Close Doorbell port? */
6568 }
6569
6570 static void bnx2x_reset_common(struct bnx2x *bp)
6571 {
6572 /* reset_common */
6573 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6574 0xd3ffff7f);
6575 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6576 }
6577
6578 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6579 {
6580 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6581 BP_FUNC(bp), reset_code);
6582
6583 switch (reset_code) {
6584 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6585 bnx2x_reset_port(bp);
6586 bnx2x_reset_func(bp);
6587 bnx2x_reset_common(bp);
6588 break;
6589
6590 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6591 bnx2x_reset_port(bp);
6592 bnx2x_reset_func(bp);
6593 break;
6594
6595 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6596 bnx2x_reset_func(bp);
6597 break;
6598
6599 default:
6600 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6601 break;
6602 }
6603 }
6604
6605 /* must be called with rtnl_lock */
6606 static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
6607 {
6608 int port = BP_PORT(bp);
6609 u32 reset_code = 0;
6610 int i, cnt, rc;
6611
6612 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6613
6614 bp->rx_mode = BNX2X_RX_MODE_NONE;
6615 bnx2x_set_storm_rx_mode(bp);
6616
6617 if (netif_running(bp->dev)) {
6618 netif_tx_disable(bp->dev);
6619 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6620 }
6621
6622 del_timer_sync(&bp->timer);
6623 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6624 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
6625 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6626
6627 /* Wait until tx fast path tasks complete */
6628 for_each_queue(bp, i) {
6629 struct bnx2x_fastpath *fp = &bp->fp[i];
6630
6631 cnt = 1000;
6632 smp_rmb();
6633 while (BNX2X_HAS_TX_WORK(fp)) {
6634
6635 if (!netif_running(bp->dev))
6636 bnx2x_tx_int(fp, 1000);
6637
6638 if (!cnt) {
6639 BNX2X_ERR("timeout waiting for queue[%d]\n",
6640 i);
6641 #ifdef BNX2X_STOP_ON_ERROR
6642 bnx2x_panic();
6643 return -EBUSY;
6644 #else
6645 break;
6646 #endif
6647 }
6648 cnt--;
6649 msleep(1);
6650 smp_rmb();
6651 }
6652 }
6653
6654 /* Give HW time to discard old tx messages */
6655 msleep(1);
6656
6657 for_each_queue(bp, i)
6658 napi_disable(&bnx2x_fp(bp, i, napi));
6659 /* Disable interrupts after Tx and Rx are disabled on stack level */
6660 bnx2x_int_disable_sync(bp);
6661
6662 /* Release IRQs */
6663 bnx2x_free_irq(bp);
6664
6665 if (unload_mode == UNLOAD_NORMAL)
6666 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6667
6668 else if (bp->flags & NO_WOL_FLAG) {
6669 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6670 if (CHIP_IS_E1H(bp))
6671 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6672
6673 } else if (bp->wol) {
6674 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6675 u8 *mac_addr = bp->dev->dev_addr;
6676 u32 val;
6677 /* The mac address is written to entries 1-4 to
6678 preserve entry 0 which is used by the PMF */
6679 u8 entry = (BP_E1HVN(bp) + 1)*8;
6680
6681 val = (mac_addr[0] << 8) | mac_addr[1];
6682 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
6683
6684 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6685 (mac_addr[4] << 8) | mac_addr[5];
6686 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
6687
6688 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6689
6690 } else
6691 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6692
6693 if (CHIP_IS_E1(bp)) {
6694 struct mac_configuration_cmd *config =
6695 bnx2x_sp(bp, mcast_config);
6696
6697 bnx2x_set_mac_addr_e1(bp, 0);
6698
6699 for (i = 0; i < config->hdr.length_6b; i++)
6700 CAM_INVALIDATE(config->config_table[i]);
6701
6702 config->hdr.length_6b = i;
6703 if (CHIP_REV_IS_SLOW(bp))
6704 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6705 else
6706 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6707 config->hdr.client_id = BP_CL_ID(bp);
6708 config->hdr.reserved1 = 0;
6709
6710 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6711 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6712 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6713
6714 } else { /* E1H */
6715 bnx2x_set_mac_addr_e1h(bp, 0);
6716
6717 for (i = 0; i < MC_HASH_SIZE; i++)
6718 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6719 }
6720
6721 if (CHIP_IS_E1H(bp))
6722 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6723
6724 /* Close multi and leading connections
6725 Completions for ramrods are collected in a synchronous way */
6726 for_each_nondefault_queue(bp, i)
6727 if (bnx2x_stop_multi(bp, i))
6728 goto unload_error;
6729
6730 rc = bnx2x_stop_leading(bp);
6731 if (rc) {
6732 BNX2X_ERR("Stop leading failed!\n");
6733 #ifdef BNX2X_STOP_ON_ERROR
6734 return -EBUSY;
6735 #else
6736 goto unload_error;
6737 #endif
6738 }
6739
6740 unload_error:
6741 if (!BP_NOMCP(bp))
6742 reset_code = bnx2x_fw_command(bp, reset_code);
6743 else {
6744 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6745 load_count[0], load_count[1], load_count[2]);
6746 load_count[0]--;
6747 load_count[1 + port]--;
6748 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6749 load_count[0], load_count[1], load_count[2]);
6750 if (load_count[0] == 0)
6751 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6752 else if (load_count[1 + port] == 0)
6753 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6754 else
6755 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6756 }
6757
6758 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6759 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6760 bnx2x__link_reset(bp);
6761
6762 /* Reset the chip */
6763 bnx2x_reset_chip(bp, reset_code);
6764
6765 /* Report UNLOAD_DONE to MCP */
6766 if (!BP_NOMCP(bp))
6767 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6768
6769 /* Free SKBs, SGEs, TPA pool and driver internals */
6770 bnx2x_free_skbs(bp);
6771 for_each_queue(bp, i)
6772 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6773 bnx2x_free_mem(bp);
6774
6775 bp->state = BNX2X_STATE_CLOSED;
6776
6777 netif_carrier_off(bp->dev);
6778
6779 return 0;
6780 }
6781
6782 static void bnx2x_reset_task(struct work_struct *work)
6783 {
6784 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6785
6786 #ifdef BNX2X_STOP_ON_ERROR
6787 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6788 " so reset not done to allow debug dump,\n"
6789 KERN_ERR " you will need to reboot when done\n");
6790 return;
6791 #endif
6792
6793 rtnl_lock();
6794
6795 if (!netif_running(bp->dev))
6796 goto reset_task_exit;
6797
6798 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6799 bnx2x_nic_load(bp, LOAD_NORMAL);
6800
6801 reset_task_exit:
6802 rtnl_unlock();
6803 }
6804
6805 /* end of nic load/unload */
6806
6807 /* ethtool_ops */
6808
6809 /*
6810 * Init service functions
6811 */
6812
6813 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
6814 {
6815 u32 val;
6816
6817 /* Check if there is any driver already loaded */
6818 val = REG_RD(bp, MISC_REG_UNPREPARED);
6819 if (val == 0x1) {
6820 /* Check if it is the UNDI driver
6821 * UNDI driver initializes CID offset for normal bell to 0x7
6822 */
6823 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6824 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6825 if (val == 0x7) {
6826 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6827 /* save our func */
6828 int func = BP_FUNC(bp);
6829 u32 swap_en;
6830 u32 swap_val;
6831
6832 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6833
6834 /* try unload UNDI on port 0 */
6835 bp->func = 0;
6836 bp->fw_seq =
6837 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6838 DRV_MSG_SEQ_NUMBER_MASK);
6839 reset_code = bnx2x_fw_command(bp, reset_code);
6840
6841 /* if UNDI is loaded on the other port */
6842 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6843
6844 /* send "DONE" for previous unload */
6845 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6846
6847 /* unload UNDI on port 1 */
6848 bp->func = 1;
6849 bp->fw_seq =
6850 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6851 DRV_MSG_SEQ_NUMBER_MASK);
6852 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6853
6854 bnx2x_fw_command(bp, reset_code);
6855 }
6856
6857 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6858 HC_REG_CONFIG_0), 0x1000);
6859
6860 /* close input traffic and wait for it */
6861 /* Do not rcv packets to BRB */
6862 REG_WR(bp,
6863 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6864 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6865 /* Do not direct rcv packets that are not for MCP to
6866 * the BRB */
6867 REG_WR(bp,
6868 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6869 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6870 /* clear AEU */
6871 REG_WR(bp,
6872 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6873 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6874 msleep(10);
6875
6876 /* save NIG port swap info */
6877 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6878 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6879 /* reset device */
6880 REG_WR(bp,
6881 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6882 0xd3ffffff);
6883 REG_WR(bp,
6884 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6885 0x1403);
6886 /* take the NIG out of reset and restore swap values */
6887 REG_WR(bp,
6888 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6889 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6890 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6891 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6892
6893 /* send unload done to the MCP */
6894 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6895
6896 /* restore our func and fw_seq */
6897 bp->func = func;
6898 bp->fw_seq =
6899 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6900 DRV_MSG_SEQ_NUMBER_MASK);
6901 }
6902 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6903 }
6904 }
6905
6906 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6907 {
6908 u32 val, val2, val3, val4, id;
6909 u16 pmc;
6910
6911 /* Get the chip revision id and number. */
6912 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6913 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6914 id = ((val & 0xffff) << 16);
6915 val = REG_RD(bp, MISC_REG_CHIP_REV);
6916 id |= ((val & 0xf) << 12);
6917 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6918 id |= ((val & 0xff) << 4);
6919 REG_RD(bp, MISC_REG_BOND_ID);
6920 id |= (val & 0xf);
6921 bp->common.chip_id = id;
6922 bp->link_params.chip_id = bp->common.chip_id;
6923 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6924
6925 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6926 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6927 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6928 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6929 bp->common.flash_size, bp->common.flash_size);
6930
6931 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6932 bp->link_params.shmem_base = bp->common.shmem_base;
6933 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6934
6935 if (!bp->common.shmem_base ||
6936 (bp->common.shmem_base < 0xA0000) ||
6937 (bp->common.shmem_base >= 0xC0000)) {
6938 BNX2X_DEV_INFO("MCP not active\n");
6939 bp->flags |= NO_MCP_FLAG;
6940 return;
6941 }
6942
6943 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6944 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6945 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6946 BNX2X_ERR("BAD MCP validity signature\n");
6947
6948 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6949 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6950
6951 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6952 bp->common.hw_config, bp->common.board);
6953
6954 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6955 SHARED_HW_CFG_LED_MODE_MASK) >>
6956 SHARED_HW_CFG_LED_MODE_SHIFT);
6957
6958 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6959 bp->common.bc_ver = val;
6960 BNX2X_DEV_INFO("bc_ver %X\n", val);
6961 if (val < BNX2X_BC_VER) {
6962 /* for now only warn
6963 * later we might need to enforce this */
6964 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6965 " please upgrade BC\n", BNX2X_BC_VER, val);
6966 }
6967
6968 if (BP_E1HVN(bp) == 0) {
6969 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
6970 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
6971 } else {
6972 /* no WOL capability for E1HVN != 0 */
6973 bp->flags |= NO_WOL_FLAG;
6974 }
6975 BNX2X_DEV_INFO("%sWoL capable\n",
6976 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
6977
6978 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
6979 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
6980 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
6981 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
6982
6983 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
6984 val, val2, val3, val4);
6985 }
6986
6987 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
6988 u32 switch_cfg)
6989 {
6990 int port = BP_PORT(bp);
6991 u32 ext_phy_type;
6992
6993 switch (switch_cfg) {
6994 case SWITCH_CFG_1G:
6995 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
6996
6997 ext_phy_type =
6998 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
6999 switch (ext_phy_type) {
7000 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7001 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7002 ext_phy_type);
7003
7004 bp->port.supported |= (SUPPORTED_10baseT_Half |
7005 SUPPORTED_10baseT_Full |
7006 SUPPORTED_100baseT_Half |
7007 SUPPORTED_100baseT_Full |
7008 SUPPORTED_1000baseT_Full |
7009 SUPPORTED_2500baseX_Full |
7010 SUPPORTED_TP |
7011 SUPPORTED_FIBRE |
7012 SUPPORTED_Autoneg |
7013 SUPPORTED_Pause |
7014 SUPPORTED_Asym_Pause);
7015 break;
7016
7017 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7018 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7019 ext_phy_type);
7020
7021 bp->port.supported |= (SUPPORTED_10baseT_Half |
7022 SUPPORTED_10baseT_Full |
7023 SUPPORTED_100baseT_Half |
7024 SUPPORTED_100baseT_Full |
7025 SUPPORTED_1000baseT_Full |
7026 SUPPORTED_TP |
7027 SUPPORTED_FIBRE |
7028 SUPPORTED_Autoneg |
7029 SUPPORTED_Pause |
7030 SUPPORTED_Asym_Pause);
7031 break;
7032
7033 default:
7034 BNX2X_ERR("NVRAM config error. "
7035 "BAD SerDes ext_phy_config 0x%x\n",
7036 bp->link_params.ext_phy_config);
7037 return;
7038 }
7039
7040 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7041 port*0x10);
7042 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7043 break;
7044
7045 case SWITCH_CFG_10G:
7046 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7047
7048 ext_phy_type =
7049 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7050 switch (ext_phy_type) {
7051 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7052 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7053 ext_phy_type);
7054
7055 bp->port.supported |= (SUPPORTED_10baseT_Half |
7056 SUPPORTED_10baseT_Full |
7057 SUPPORTED_100baseT_Half |
7058 SUPPORTED_100baseT_Full |
7059 SUPPORTED_1000baseT_Full |
7060 SUPPORTED_2500baseX_Full |
7061 SUPPORTED_10000baseT_Full |
7062 SUPPORTED_TP |
7063 SUPPORTED_FIBRE |
7064 SUPPORTED_Autoneg |
7065 SUPPORTED_Pause |
7066 SUPPORTED_Asym_Pause);
7067 break;
7068
7069 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7070 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7071 ext_phy_type);
7072
7073 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7074 SUPPORTED_FIBRE |
7075 SUPPORTED_Pause |
7076 SUPPORTED_Asym_Pause);
7077 break;
7078
7079 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7080 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7081 ext_phy_type);
7082
7083 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7084 SUPPORTED_1000baseT_Full |
7085 SUPPORTED_FIBRE |
7086 SUPPORTED_Pause |
7087 SUPPORTED_Asym_Pause);
7088 break;
7089
7090 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7091 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7092 ext_phy_type);
7093
7094 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7095 SUPPORTED_1000baseT_Full |
7096 SUPPORTED_FIBRE |
7097 SUPPORTED_Autoneg |
7098 SUPPORTED_Pause |
7099 SUPPORTED_Asym_Pause);
7100 break;
7101
7102 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7103 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7104 ext_phy_type);
7105
7106 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7107 SUPPORTED_2500baseX_Full |
7108 SUPPORTED_1000baseT_Full |
7109 SUPPORTED_FIBRE |
7110 SUPPORTED_Autoneg |
7111 SUPPORTED_Pause |
7112 SUPPORTED_Asym_Pause);
7113 break;
7114
7115 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7116 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7117 ext_phy_type);
7118
7119 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7120 SUPPORTED_TP |
7121 SUPPORTED_Autoneg |
7122 SUPPORTED_Pause |
7123 SUPPORTED_Asym_Pause);
7124 break;
7125
7126 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7127 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7128 bp->link_params.ext_phy_config);
7129 break;
7130
7131 default:
7132 BNX2X_ERR("NVRAM config error. "
7133 "BAD XGXS ext_phy_config 0x%x\n",
7134 bp->link_params.ext_phy_config);
7135 return;
7136 }
7137
7138 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7139 port*0x18);
7140 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7141
7142 break;
7143
7144 default:
7145 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7146 bp->port.link_config);
7147 return;
7148 }
7149 bp->link_params.phy_addr = bp->port.phy_addr;
7150
7151 /* mask what we support according to speed_cap_mask */
7152 if (!(bp->link_params.speed_cap_mask &
7153 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7154 bp->port.supported &= ~SUPPORTED_10baseT_Half;
7155
7156 if (!(bp->link_params.speed_cap_mask &
7157 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7158 bp->port.supported &= ~SUPPORTED_10baseT_Full;
7159
7160 if (!(bp->link_params.speed_cap_mask &
7161 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7162 bp->port.supported &= ~SUPPORTED_100baseT_Half;
7163
7164 if (!(bp->link_params.speed_cap_mask &
7165 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7166 bp->port.supported &= ~SUPPORTED_100baseT_Full;
7167
7168 if (!(bp->link_params.speed_cap_mask &
7169 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7170 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7171 SUPPORTED_1000baseT_Full);
7172
7173 if (!(bp->link_params.speed_cap_mask &
7174 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7175 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
7176
7177 if (!(bp->link_params.speed_cap_mask &
7178 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7179 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
7180
7181 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
7182 }
7183
7184 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
7185 {
7186 bp->link_params.req_duplex = DUPLEX_FULL;
7187
7188 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7189 case PORT_FEATURE_LINK_SPEED_AUTO:
7190 if (bp->port.supported & SUPPORTED_Autoneg) {
7191 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7192 bp->port.advertising = bp->port.supported;
7193 } else {
7194 u32 ext_phy_type =
7195 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7196
7197 if ((ext_phy_type ==
7198 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7199 (ext_phy_type ==
7200 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
7201 /* force 10G, no AN */
7202 bp->link_params.req_line_speed = SPEED_10000;
7203 bp->port.advertising =
7204 (ADVERTISED_10000baseT_Full |
7205 ADVERTISED_FIBRE);
7206 break;
7207 }
7208 BNX2X_ERR("NVRAM config error. "
7209 "Invalid link_config 0x%x"
7210 " Autoneg not supported\n",
7211 bp->port.link_config);
7212 return;
7213 }
7214 break;
7215
7216 case PORT_FEATURE_LINK_SPEED_10M_FULL:
7217 if (bp->port.supported & SUPPORTED_10baseT_Full) {
7218 bp->link_params.req_line_speed = SPEED_10;
7219 bp->port.advertising = (ADVERTISED_10baseT_Full |
7220 ADVERTISED_TP);
7221 } else {
7222 BNX2X_ERR("NVRAM config error. "
7223 "Invalid link_config 0x%x"
7224 " speed_cap_mask 0x%x\n",
7225 bp->port.link_config,
7226 bp->link_params.speed_cap_mask);
7227 return;
7228 }
7229 break;
7230
7231 case PORT_FEATURE_LINK_SPEED_10M_HALF:
7232 if (bp->port.supported & SUPPORTED_10baseT_Half) {
7233 bp->link_params.req_line_speed = SPEED_10;
7234 bp->link_params.req_duplex = DUPLEX_HALF;
7235 bp->port.advertising = (ADVERTISED_10baseT_Half |
7236 ADVERTISED_TP);
7237 } else {
7238 BNX2X_ERR("NVRAM config error. "
7239 "Invalid link_config 0x%x"
7240 " speed_cap_mask 0x%x\n",
7241 bp->port.link_config,
7242 bp->link_params.speed_cap_mask);
7243 return;
7244 }
7245 break;
7246
7247 case PORT_FEATURE_LINK_SPEED_100M_FULL:
7248 if (bp->port.supported & SUPPORTED_100baseT_Full) {
7249 bp->link_params.req_line_speed = SPEED_100;
7250 bp->port.advertising = (ADVERTISED_100baseT_Full |
7251 ADVERTISED_TP);
7252 } else {
7253 BNX2X_ERR("NVRAM config error. "
7254 "Invalid link_config 0x%x"
7255 " speed_cap_mask 0x%x\n",
7256 bp->port.link_config,
7257 bp->link_params.speed_cap_mask);
7258 return;
7259 }
7260 break;
7261
7262 case PORT_FEATURE_LINK_SPEED_100M_HALF:
7263 if (bp->port.supported & SUPPORTED_100baseT_Half) {
7264 bp->link_params.req_line_speed = SPEED_100;
7265 bp->link_params.req_duplex = DUPLEX_HALF;
7266 bp->port.advertising = (ADVERTISED_100baseT_Half |
7267 ADVERTISED_TP);
7268 } else {
7269 BNX2X_ERR("NVRAM config error. "
7270 "Invalid link_config 0x%x"
7271 " speed_cap_mask 0x%x\n",
7272 bp->port.link_config,
7273 bp->link_params.speed_cap_mask);
7274 return;
7275 }
7276 break;
7277
7278 case PORT_FEATURE_LINK_SPEED_1G:
7279 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
7280 bp->link_params.req_line_speed = SPEED_1000;
7281 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7282 ADVERTISED_TP);
7283 } else {
7284 BNX2X_ERR("NVRAM config error. "
7285 "Invalid link_config 0x%x"
7286 " speed_cap_mask 0x%x\n",
7287 bp->port.link_config,
7288 bp->link_params.speed_cap_mask);
7289 return;
7290 }
7291 break;
7292
7293 case PORT_FEATURE_LINK_SPEED_2_5G:
7294 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
7295 bp->link_params.req_line_speed = SPEED_2500;
7296 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7297 ADVERTISED_TP);
7298 } else {
7299 BNX2X_ERR("NVRAM config error. "
7300 "Invalid link_config 0x%x"
7301 " speed_cap_mask 0x%x\n",
7302 bp->port.link_config,
7303 bp->link_params.speed_cap_mask);
7304 return;
7305 }
7306 break;
7307
7308 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7309 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7310 case PORT_FEATURE_LINK_SPEED_10G_KR:
7311 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
7312 bp->link_params.req_line_speed = SPEED_10000;
7313 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7314 ADVERTISED_FIBRE);
7315 } else {
7316 BNX2X_ERR("NVRAM config error. "
7317 "Invalid link_config 0x%x"
7318 " speed_cap_mask 0x%x\n",
7319 bp->port.link_config,
7320 bp->link_params.speed_cap_mask);
7321 return;
7322 }
7323 break;
7324
7325 default:
7326 BNX2X_ERR("NVRAM config error. "
7327 "BAD link speed link_config 0x%x\n",
7328 bp->port.link_config);
7329 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7330 bp->port.advertising = bp->port.supported;
7331 break;
7332 }
7333
7334 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7335 PORT_FEATURE_FLOW_CONTROL_MASK);
7336 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
7337 !(bp->port.supported & SUPPORTED_Autoneg))
7338 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
7339
7340 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
7341 " advertising 0x%x\n",
7342 bp->link_params.req_line_speed,
7343 bp->link_params.req_duplex,
7344 bp->link_params.req_flow_ctrl, bp->port.advertising);
7345 }
7346
7347 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
7348 {
7349 int port = BP_PORT(bp);
7350 u32 val, val2;
7351
7352 bp->link_params.bp = bp;
7353 bp->link_params.port = port;
7354
7355 bp->link_params.serdes_config =
7356 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
7357 bp->link_params.lane_config =
7358 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
7359 bp->link_params.ext_phy_config =
7360 SHMEM_RD(bp,
7361 dev_info.port_hw_config[port].external_phy_config);
7362 bp->link_params.speed_cap_mask =
7363 SHMEM_RD(bp,
7364 dev_info.port_hw_config[port].speed_capability_mask);
7365
7366 bp->port.link_config =
7367 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7368
7369 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7370 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7371 " link_config 0x%08x\n",
7372 bp->link_params.serdes_config,
7373 bp->link_params.lane_config,
7374 bp->link_params.ext_phy_config,
7375 bp->link_params.speed_cap_mask, bp->port.link_config);
7376
7377 bp->link_params.switch_cfg = (bp->port.link_config &
7378 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7379 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
7380
7381 bnx2x_link_settings_requested(bp);
7382
7383 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7384 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7385 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7386 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7387 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7388 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7389 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7390 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7391 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7392 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7393 }
7394
7395 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7396 {
7397 int func = BP_FUNC(bp);
7398 u32 val, val2;
7399 int rc = 0;
7400
7401 bnx2x_get_common_hwinfo(bp);
7402
7403 bp->e1hov = 0;
7404 bp->e1hmf = 0;
7405 if (CHIP_IS_E1H(bp)) {
7406 bp->mf_config =
7407 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
7408
7409 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7410 FUNC_MF_CFG_E1HOV_TAG_MASK);
7411 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
7412
7413 bp->e1hov = val;
7414 bp->e1hmf = 1;
7415 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7416 "(0x%04x)\n",
7417 func, bp->e1hov, bp->e1hov);
7418 } else {
7419 BNX2X_DEV_INFO("Single function mode\n");
7420 if (BP_E1HVN(bp)) {
7421 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7422 " aborting\n", func);
7423 rc = -EPERM;
7424 }
7425 }
7426 }
7427
7428 if (!BP_NOMCP(bp)) {
7429 bnx2x_get_port_hwinfo(bp);
7430
7431 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7432 DRV_MSG_SEQ_NUMBER_MASK);
7433 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7434 }
7435
7436 if (IS_E1HMF(bp)) {
7437 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7438 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7439 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7440 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7441 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7442 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7443 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7444 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7445 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7446 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7447 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7448 ETH_ALEN);
7449 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7450 ETH_ALEN);
7451 }
7452
7453 return rc;
7454 }
7455
7456 if (BP_NOMCP(bp)) {
7457 /* only supposed to happen on emulation/FPGA */
7458 BNX2X_ERR("warning random MAC workaround active\n");
7459 random_ether_addr(bp->dev->dev_addr);
7460 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7461 }
7462
7463 return rc;
7464 }
7465
7466 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7467 {
7468 int func = BP_FUNC(bp);
7469 int rc;
7470
7471 /* Disable interrupt handling until HW is initialized */
7472 atomic_set(&bp->intr_sem, 1);
7473
7474 mutex_init(&bp->port.phy_mutex);
7475
7476 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7477 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7478
7479 rc = bnx2x_get_hwinfo(bp);
7480
7481 /* need to reset chip if undi was active */
7482 if (!BP_NOMCP(bp))
7483 bnx2x_undi_unload(bp);
7484
7485 if (CHIP_REV_IS_FPGA(bp))
7486 printk(KERN_ERR PFX "FPGA detected\n");
7487
7488 if (BP_NOMCP(bp) && (func == 0))
7489 printk(KERN_ERR PFX
7490 "MCP disabled, must load devices in order!\n");
7491
7492 /* Set TPA flags */
7493 if (disable_tpa) {
7494 bp->flags &= ~TPA_ENABLE_FLAG;
7495 bp->dev->features &= ~NETIF_F_LRO;
7496 } else {
7497 bp->flags |= TPA_ENABLE_FLAG;
7498 bp->dev->features |= NETIF_F_LRO;
7499 }
7500
7501
7502 bp->tx_ring_size = MAX_TX_AVAIL;
7503 bp->rx_ring_size = MAX_RX_AVAIL;
7504
7505 bp->rx_csum = 1;
7506 bp->rx_offset = 0;
7507
7508 bp->tx_ticks = 50;
7509 bp->rx_ticks = 25;
7510
7511 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7512 bp->current_interval = (poll ? poll : bp->timer_interval);
7513
7514 init_timer(&bp->timer);
7515 bp->timer.expires = jiffies + bp->current_interval;
7516 bp->timer.data = (unsigned long) bp;
7517 bp->timer.function = bnx2x_timer;
7518
7519 return rc;
7520 }
7521
7522 /*
7523 * ethtool service functions
7524 */
7525
7526 /* All ethtool functions called with rtnl_lock */
7527
7528 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7529 {
7530 struct bnx2x *bp = netdev_priv(dev);
7531
7532 cmd->supported = bp->port.supported;
7533 cmd->advertising = bp->port.advertising;
7534
7535 if (netif_carrier_ok(dev)) {
7536 cmd->speed = bp->link_vars.line_speed;
7537 cmd->duplex = bp->link_vars.duplex;
7538 } else {
7539 cmd->speed = bp->link_params.req_line_speed;
7540 cmd->duplex = bp->link_params.req_duplex;
7541 }
7542 if (IS_E1HMF(bp)) {
7543 u16 vn_max_rate;
7544
7545 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7546 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7547 if (vn_max_rate < cmd->speed)
7548 cmd->speed = vn_max_rate;
7549 }
7550
7551 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7552 u32 ext_phy_type =
7553 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7554
7555 switch (ext_phy_type) {
7556 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7557 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7558 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7559 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7560 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7561 cmd->port = PORT_FIBRE;
7562 break;
7563
7564 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7565 cmd->port = PORT_TP;
7566 break;
7567
7568 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7569 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7570 bp->link_params.ext_phy_config);
7571 break;
7572
7573 default:
7574 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
7575 bp->link_params.ext_phy_config);
7576 break;
7577 }
7578 } else
7579 cmd->port = PORT_TP;
7580
7581 cmd->phy_address = bp->port.phy_addr;
7582 cmd->transceiver = XCVR_INTERNAL;
7583
7584 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
7585 cmd->autoneg = AUTONEG_ENABLE;
7586 else
7587 cmd->autoneg = AUTONEG_DISABLE;
7588
7589 cmd->maxtxpkt = 0;
7590 cmd->maxrxpkt = 0;
7591
7592 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7593 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7594 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7595 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7596 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7597 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7598 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7599
7600 return 0;
7601 }
7602
7603 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7604 {
7605 struct bnx2x *bp = netdev_priv(dev);
7606 u32 advertising;
7607
7608 if (IS_E1HMF(bp))
7609 return 0;
7610
7611 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7612 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7613 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7614 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7615 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7616 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7617 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7618
7619 if (cmd->autoneg == AUTONEG_ENABLE) {
7620 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7621 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
7622 return -EINVAL;
7623 }
7624
7625 /* advertise the requested speed and duplex if supported */
7626 cmd->advertising &= bp->port.supported;
7627
7628 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7629 bp->link_params.req_duplex = DUPLEX_FULL;
7630 bp->port.advertising |= (ADVERTISED_Autoneg |
7631 cmd->advertising);
7632
7633 } else { /* forced speed */
7634 /* advertise the requested speed and duplex if supported */
7635 switch (cmd->speed) {
7636 case SPEED_10:
7637 if (cmd->duplex == DUPLEX_FULL) {
7638 if (!(bp->port.supported &
7639 SUPPORTED_10baseT_Full)) {
7640 DP(NETIF_MSG_LINK,
7641 "10M full not supported\n");
7642 return -EINVAL;
7643 }
7644
7645 advertising = (ADVERTISED_10baseT_Full |
7646 ADVERTISED_TP);
7647 } else {
7648 if (!(bp->port.supported &
7649 SUPPORTED_10baseT_Half)) {
7650 DP(NETIF_MSG_LINK,
7651 "10M half not supported\n");
7652 return -EINVAL;
7653 }
7654
7655 advertising = (ADVERTISED_10baseT_Half |
7656 ADVERTISED_TP);
7657 }
7658 break;
7659
7660 case SPEED_100:
7661 if (cmd->duplex == DUPLEX_FULL) {
7662 if (!(bp->port.supported &
7663 SUPPORTED_100baseT_Full)) {
7664 DP(NETIF_MSG_LINK,
7665 "100M full not supported\n");
7666 return -EINVAL;
7667 }
7668
7669 advertising = (ADVERTISED_100baseT_Full |
7670 ADVERTISED_TP);
7671 } else {
7672 if (!(bp->port.supported &
7673 SUPPORTED_100baseT_Half)) {
7674 DP(NETIF_MSG_LINK,
7675 "100M half not supported\n");
7676 return -EINVAL;
7677 }
7678
7679 advertising = (ADVERTISED_100baseT_Half |
7680 ADVERTISED_TP);
7681 }
7682 break;
7683
7684 case SPEED_1000:
7685 if (cmd->duplex != DUPLEX_FULL) {
7686 DP(NETIF_MSG_LINK, "1G half not supported\n");
7687 return -EINVAL;
7688 }
7689
7690 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
7691 DP(NETIF_MSG_LINK, "1G full not supported\n");
7692 return -EINVAL;
7693 }
7694
7695 advertising = (ADVERTISED_1000baseT_Full |
7696 ADVERTISED_TP);
7697 break;
7698
7699 case SPEED_2500:
7700 if (cmd->duplex != DUPLEX_FULL) {
7701 DP(NETIF_MSG_LINK,
7702 "2.5G half not supported\n");
7703 return -EINVAL;
7704 }
7705
7706 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
7707 DP(NETIF_MSG_LINK,
7708 "2.5G full not supported\n");
7709 return -EINVAL;
7710 }
7711
7712 advertising = (ADVERTISED_2500baseX_Full |
7713 ADVERTISED_TP);
7714 break;
7715
7716 case SPEED_10000:
7717 if (cmd->duplex != DUPLEX_FULL) {
7718 DP(NETIF_MSG_LINK, "10G half not supported\n");
7719 return -EINVAL;
7720 }
7721
7722 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
7723 DP(NETIF_MSG_LINK, "10G full not supported\n");
7724 return -EINVAL;
7725 }
7726
7727 advertising = (ADVERTISED_10000baseT_Full |
7728 ADVERTISED_FIBRE);
7729 break;
7730
7731 default:
7732 DP(NETIF_MSG_LINK, "Unsupported speed\n");
7733 return -EINVAL;
7734 }
7735
7736 bp->link_params.req_line_speed = cmd->speed;
7737 bp->link_params.req_duplex = cmd->duplex;
7738 bp->port.advertising = advertising;
7739 }
7740
7741 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
7742 DP_LEVEL " req_duplex %d advertising 0x%x\n",
7743 bp->link_params.req_line_speed, bp->link_params.req_duplex,
7744 bp->port.advertising);
7745
7746 if (netif_running(dev)) {
7747 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7748 bnx2x_link_set(bp);
7749 }
7750
7751 return 0;
7752 }
7753
7754 #define PHY_FW_VER_LEN 10
7755
7756 static void bnx2x_get_drvinfo(struct net_device *dev,
7757 struct ethtool_drvinfo *info)
7758 {
7759 struct bnx2x *bp = netdev_priv(dev);
7760 u8 phy_fw_ver[PHY_FW_VER_LEN];
7761
7762 strcpy(info->driver, DRV_MODULE_NAME);
7763 strcpy(info->version, DRV_MODULE_VERSION);
7764
7765 phy_fw_ver[0] = '\0';
7766 if (bp->port.pmf) {
7767 bnx2x_acquire_phy_lock(bp);
7768 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7769 (bp->state != BNX2X_STATE_CLOSED),
7770 phy_fw_ver, PHY_FW_VER_LEN);
7771 bnx2x_release_phy_lock(bp);
7772 }
7773
7774 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7775 (bp->common.bc_ver & 0xff0000) >> 16,
7776 (bp->common.bc_ver & 0xff00) >> 8,
7777 (bp->common.bc_ver & 0xff),
7778 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
7779 strcpy(info->bus_info, pci_name(bp->pdev));
7780 info->n_stats = BNX2X_NUM_STATS;
7781 info->testinfo_len = BNX2X_NUM_TESTS;
7782 info->eedump_len = bp->common.flash_size;
7783 info->regdump_len = 0;
7784 }
7785
7786 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7787 {
7788 struct bnx2x *bp = netdev_priv(dev);
7789
7790 if (bp->flags & NO_WOL_FLAG) {
7791 wol->supported = 0;
7792 wol->wolopts = 0;
7793 } else {
7794 wol->supported = WAKE_MAGIC;
7795 if (bp->wol)
7796 wol->wolopts = WAKE_MAGIC;
7797 else
7798 wol->wolopts = 0;
7799 }
7800 memset(&wol->sopass, 0, sizeof(wol->sopass));
7801 }
7802
7803 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7804 {
7805 struct bnx2x *bp = netdev_priv(dev);
7806
7807 if (wol->wolopts & ~WAKE_MAGIC)
7808 return -EINVAL;
7809
7810 if (wol->wolopts & WAKE_MAGIC) {
7811 if (bp->flags & NO_WOL_FLAG)
7812 return -EINVAL;
7813
7814 bp->wol = 1;
7815 } else
7816 bp->wol = 0;
7817
7818 return 0;
7819 }
7820
7821 static u32 bnx2x_get_msglevel(struct net_device *dev)
7822 {
7823 struct bnx2x *bp = netdev_priv(dev);
7824
7825 return bp->msglevel;
7826 }
7827
7828 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7829 {
7830 struct bnx2x *bp = netdev_priv(dev);
7831
7832 if (capable(CAP_NET_ADMIN))
7833 bp->msglevel = level;
7834 }
7835
7836 static int bnx2x_nway_reset(struct net_device *dev)
7837 {
7838 struct bnx2x *bp = netdev_priv(dev);
7839
7840 if (!bp->port.pmf)
7841 return 0;
7842
7843 if (netif_running(dev)) {
7844 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7845 bnx2x_link_set(bp);
7846 }
7847
7848 return 0;
7849 }
7850
7851 static int bnx2x_get_eeprom_len(struct net_device *dev)
7852 {
7853 struct bnx2x *bp = netdev_priv(dev);
7854
7855 return bp->common.flash_size;
7856 }
7857
7858 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7859 {
7860 int port = BP_PORT(bp);
7861 int count, i;
7862 u32 val = 0;
7863
7864 /* adjust timeout for emulation/FPGA */
7865 count = NVRAM_TIMEOUT_COUNT;
7866 if (CHIP_REV_IS_SLOW(bp))
7867 count *= 100;
7868
7869 /* request access to nvram interface */
7870 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7871 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7872
7873 for (i = 0; i < count*10; i++) {
7874 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7875 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7876 break;
7877
7878 udelay(5);
7879 }
7880
7881 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
7882 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
7883 return -EBUSY;
7884 }
7885
7886 return 0;
7887 }
7888
7889 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7890 {
7891 int port = BP_PORT(bp);
7892 int count, i;
7893 u32 val = 0;
7894
7895 /* adjust timeout for emulation/FPGA */
7896 count = NVRAM_TIMEOUT_COUNT;
7897 if (CHIP_REV_IS_SLOW(bp))
7898 count *= 100;
7899
7900 /* relinquish nvram interface */
7901 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7902 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7903
7904 for (i = 0; i < count*10; i++) {
7905 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7906 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7907 break;
7908
7909 udelay(5);
7910 }
7911
7912 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
7913 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
7914 return -EBUSY;
7915 }
7916
7917 return 0;
7918 }
7919
7920 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7921 {
7922 u32 val;
7923
7924 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7925
7926 /* enable both bits, even on read */
7927 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7928 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7929 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7930 }
7931
7932 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7933 {
7934 u32 val;
7935
7936 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7937
7938 /* disable both bits, even after read */
7939 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7940 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7941 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7942 }
7943
7944 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7945 u32 cmd_flags)
7946 {
7947 int count, i, rc;
7948 u32 val;
7949
7950 /* build the command word */
7951 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7952
7953 /* need to clear DONE bit separately */
7954 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7955
7956 /* address of the NVRAM to read from */
7957 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7958 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7959
7960 /* issue a read command */
7961 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7962
7963 /* adjust timeout for emulation/FPGA */
7964 count = NVRAM_TIMEOUT_COUNT;
7965 if (CHIP_REV_IS_SLOW(bp))
7966 count *= 100;
7967
7968 /* wait for completion */
7969 *ret_val = 0;
7970 rc = -EBUSY;
7971 for (i = 0; i < count; i++) {
7972 udelay(5);
7973 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7974
7975 if (val & MCPR_NVM_COMMAND_DONE) {
7976 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
7977 /* we read nvram data in cpu order
7978 * but ethtool sees it as an array of bytes
7979 * converting to big-endian will do the work */
7980 val = cpu_to_be32(val);
7981 *ret_val = val;
7982 rc = 0;
7983 break;
7984 }
7985 }
7986
7987 return rc;
7988 }
7989
7990 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
7991 int buf_size)
7992 {
7993 int rc;
7994 u32 cmd_flags;
7995 u32 val;
7996
7997 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
7998 DP(BNX2X_MSG_NVM,
7999 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
8000 offset, buf_size);
8001 return -EINVAL;
8002 }
8003
8004 if (offset + buf_size > bp->common.flash_size) {
8005 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8006 " buf_size (0x%x) > flash_size (0x%x)\n",
8007 offset, buf_size, bp->common.flash_size);
8008 return -EINVAL;
8009 }
8010
8011 /* request access to nvram interface */
8012 rc = bnx2x_acquire_nvram_lock(bp);
8013 if (rc)
8014 return rc;
8015
8016 /* enable access to nvram interface */
8017 bnx2x_enable_nvram_access(bp);
8018
8019 /* read the first word(s) */
8020 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8021 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8022 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8023 memcpy(ret_buf, &val, 4);
8024
8025 /* advance to the next dword */
8026 offset += sizeof(u32);
8027 ret_buf += sizeof(u32);
8028 buf_size -= sizeof(u32);
8029 cmd_flags = 0;
8030 }
8031
8032 if (rc == 0) {
8033 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8034 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8035 memcpy(ret_buf, &val, 4);
8036 }
8037
8038 /* disable access to nvram interface */
8039 bnx2x_disable_nvram_access(bp);
8040 bnx2x_release_nvram_lock(bp);
8041
8042 return rc;
8043 }
8044
8045 static int bnx2x_get_eeprom(struct net_device *dev,
8046 struct ethtool_eeprom *eeprom, u8 *eebuf)
8047 {
8048 struct bnx2x *bp = netdev_priv(dev);
8049 int rc;
8050
8051 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8052 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8053 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8054 eeprom->len, eeprom->len);
8055
8056 /* parameters already validated in ethtool_get_eeprom */
8057
8058 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8059
8060 return rc;
8061 }
8062
8063 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8064 u32 cmd_flags)
8065 {
8066 int count, i, rc;
8067
8068 /* build the command word */
8069 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8070
8071 /* need to clear DONE bit separately */
8072 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8073
8074 /* write the data */
8075 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8076
8077 /* address of the NVRAM to write to */
8078 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8079 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8080
8081 /* issue the write command */
8082 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8083
8084 /* adjust timeout for emulation/FPGA */
8085 count = NVRAM_TIMEOUT_COUNT;
8086 if (CHIP_REV_IS_SLOW(bp))
8087 count *= 100;
8088
8089 /* wait for completion */
8090 rc = -EBUSY;
8091 for (i = 0; i < count; i++) {
8092 udelay(5);
8093 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8094 if (val & MCPR_NVM_COMMAND_DONE) {
8095 rc = 0;
8096 break;
8097 }
8098 }
8099
8100 return rc;
8101 }
8102
8103 #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
8104
8105 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8106 int buf_size)
8107 {
8108 int rc;
8109 u32 cmd_flags;
8110 u32 align_offset;
8111 u32 val;
8112
8113 if (offset + buf_size > bp->common.flash_size) {
8114 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8115 " buf_size (0x%x) > flash_size (0x%x)\n",
8116 offset, buf_size, bp->common.flash_size);
8117 return -EINVAL;
8118 }
8119
8120 /* request access to nvram interface */
8121 rc = bnx2x_acquire_nvram_lock(bp);
8122 if (rc)
8123 return rc;
8124
8125 /* enable access to nvram interface */
8126 bnx2x_enable_nvram_access(bp);
8127
8128 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8129 align_offset = (offset & ~0x03);
8130 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8131
8132 if (rc == 0) {
8133 val &= ~(0xff << BYTE_OFFSET(offset));
8134 val |= (*data_buf << BYTE_OFFSET(offset));
8135
8136 /* nvram data is returned as an array of bytes
8137 * convert it back to cpu order */
8138 val = be32_to_cpu(val);
8139
8140 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8141 cmd_flags);
8142 }
8143
8144 /* disable access to nvram interface */
8145 bnx2x_disable_nvram_access(bp);
8146 bnx2x_release_nvram_lock(bp);
8147
8148 return rc;
8149 }
8150
8151 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8152 int buf_size)
8153 {
8154 int rc;
8155 u32 cmd_flags;
8156 u32 val;
8157 u32 written_so_far;
8158
8159 if (buf_size == 1) /* ethtool */
8160 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
8161
8162 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8163 DP(BNX2X_MSG_NVM,
8164 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
8165 offset, buf_size);
8166 return -EINVAL;
8167 }
8168
8169 if (offset + buf_size > bp->common.flash_size) {
8170 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8171 " buf_size (0x%x) > flash_size (0x%x)\n",
8172 offset, buf_size, bp->common.flash_size);
8173 return -EINVAL;
8174 }
8175
8176 /* request access to nvram interface */
8177 rc = bnx2x_acquire_nvram_lock(bp);
8178 if (rc)
8179 return rc;
8180
8181 /* enable access to nvram interface */
8182 bnx2x_enable_nvram_access(bp);
8183
8184 written_so_far = 0;
8185 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8186 while ((written_so_far < buf_size) && (rc == 0)) {
8187 if (written_so_far == (buf_size - sizeof(u32)))
8188 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8189 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8190 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8191 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8192 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8193
8194 memcpy(&val, data_buf, 4);
8195
8196 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8197
8198 /* advance to the next dword */
8199 offset += sizeof(u32);
8200 data_buf += sizeof(u32);
8201 written_so_far += sizeof(u32);
8202 cmd_flags = 0;
8203 }
8204
8205 /* disable access to nvram interface */
8206 bnx2x_disable_nvram_access(bp);
8207 bnx2x_release_nvram_lock(bp);
8208
8209 return rc;
8210 }
8211
8212 static int bnx2x_set_eeprom(struct net_device *dev,
8213 struct ethtool_eeprom *eeprom, u8 *eebuf)
8214 {
8215 struct bnx2x *bp = netdev_priv(dev);
8216 int rc;
8217
8218 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8219 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8220 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8221 eeprom->len, eeprom->len);
8222
8223 /* parameters already validated in ethtool_set_eeprom */
8224
8225 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8226 if (eeprom->magic == 0x00504859)
8227 if (bp->port.pmf) {
8228
8229 bnx2x_acquire_phy_lock(bp);
8230 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8231 bp->link_params.ext_phy_config,
8232 (bp->state != BNX2X_STATE_CLOSED),
8233 eebuf, eeprom->len);
8234 if ((bp->state == BNX2X_STATE_OPEN) ||
8235 (bp->state == BNX2X_STATE_DISABLED)) {
8236 rc |= bnx2x_link_reset(&bp->link_params,
8237 &bp->link_vars);
8238 rc |= bnx2x_phy_init(&bp->link_params,
8239 &bp->link_vars);
8240 }
8241 bnx2x_release_phy_lock(bp);
8242
8243 } else /* Only the PMF can access the PHY */
8244 return -EINVAL;
8245 else
8246 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
8247
8248 return rc;
8249 }
8250
8251 static int bnx2x_get_coalesce(struct net_device *dev,
8252 struct ethtool_coalesce *coal)
8253 {
8254 struct bnx2x *bp = netdev_priv(dev);
8255
8256 memset(coal, 0, sizeof(struct ethtool_coalesce));
8257
8258 coal->rx_coalesce_usecs = bp->rx_ticks;
8259 coal->tx_coalesce_usecs = bp->tx_ticks;
8260
8261 return 0;
8262 }
8263
8264 static int bnx2x_set_coalesce(struct net_device *dev,
8265 struct ethtool_coalesce *coal)
8266 {
8267 struct bnx2x *bp = netdev_priv(dev);
8268
8269 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8270 if (bp->rx_ticks > 3000)
8271 bp->rx_ticks = 3000;
8272
8273 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8274 if (bp->tx_ticks > 0x3000)
8275 bp->tx_ticks = 0x3000;
8276
8277 if (netif_running(dev))
8278 bnx2x_update_coalesce(bp);
8279
8280 return 0;
8281 }
8282
8283 static void bnx2x_get_ringparam(struct net_device *dev,
8284 struct ethtool_ringparam *ering)
8285 {
8286 struct bnx2x *bp = netdev_priv(dev);
8287
8288 ering->rx_max_pending = MAX_RX_AVAIL;
8289 ering->rx_mini_max_pending = 0;
8290 ering->rx_jumbo_max_pending = 0;
8291
8292 ering->rx_pending = bp->rx_ring_size;
8293 ering->rx_mini_pending = 0;
8294 ering->rx_jumbo_pending = 0;
8295
8296 ering->tx_max_pending = MAX_TX_AVAIL;
8297 ering->tx_pending = bp->tx_ring_size;
8298 }
8299
8300 static int bnx2x_set_ringparam(struct net_device *dev,
8301 struct ethtool_ringparam *ering)
8302 {
8303 struct bnx2x *bp = netdev_priv(dev);
8304 int rc = 0;
8305
8306 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8307 (ering->tx_pending > MAX_TX_AVAIL) ||
8308 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8309 return -EINVAL;
8310
8311 bp->rx_ring_size = ering->rx_pending;
8312 bp->tx_ring_size = ering->tx_pending;
8313
8314 if (netif_running(dev)) {
8315 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8316 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8317 }
8318
8319 return rc;
8320 }
8321
8322 static void bnx2x_get_pauseparam(struct net_device *dev,
8323 struct ethtool_pauseparam *epause)
8324 {
8325 struct bnx2x *bp = netdev_priv(dev);
8326
8327 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8328 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8329
8330 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8331 FLOW_CTRL_RX);
8332 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8333 FLOW_CTRL_TX);
8334
8335 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8336 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8337 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8338 }
8339
8340 static int bnx2x_set_pauseparam(struct net_device *dev,
8341 struct ethtool_pauseparam *epause)
8342 {
8343 struct bnx2x *bp = netdev_priv(dev);
8344
8345 if (IS_E1HMF(bp))
8346 return 0;
8347
8348 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8349 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8350 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8351
8352 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8353
8354 if (epause->rx_pause)
8355 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8356
8357 if (epause->tx_pause)
8358 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8359
8360 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8361 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8362
8363 if (epause->autoneg) {
8364 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
8365 DP(NETIF_MSG_LINK, "autoneg not supported\n");
8366 return -EINVAL;
8367 }
8368
8369 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8370 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8371 }
8372
8373 DP(NETIF_MSG_LINK,
8374 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8375
8376 if (netif_running(dev)) {
8377 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8378 bnx2x_link_set(bp);
8379 }
8380
8381 return 0;
8382 }
8383
8384 static int bnx2x_set_flags(struct net_device *dev, u32 data)
8385 {
8386 struct bnx2x *bp = netdev_priv(dev);
8387 int changed = 0;
8388 int rc = 0;
8389
8390 /* TPA requires Rx CSUM offloading */
8391 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8392 if (!(dev->features & NETIF_F_LRO)) {
8393 dev->features |= NETIF_F_LRO;
8394 bp->flags |= TPA_ENABLE_FLAG;
8395 changed = 1;
8396 }
8397
8398 } else if (dev->features & NETIF_F_LRO) {
8399 dev->features &= ~NETIF_F_LRO;
8400 bp->flags &= ~TPA_ENABLE_FLAG;
8401 changed = 1;
8402 }
8403
8404 if (changed && netif_running(dev)) {
8405 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8406 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8407 }
8408
8409 return rc;
8410 }
8411
8412 static u32 bnx2x_get_rx_csum(struct net_device *dev)
8413 {
8414 struct bnx2x *bp = netdev_priv(dev);
8415
8416 return bp->rx_csum;
8417 }
8418
8419 static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8420 {
8421 struct bnx2x *bp = netdev_priv(dev);
8422 int rc = 0;
8423
8424 bp->rx_csum = data;
8425
8426 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8427 TPA'ed packets will be discarded due to wrong TCP CSUM */
8428 if (!data) {
8429 u32 flags = ethtool_op_get_flags(dev);
8430
8431 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8432 }
8433
8434 return rc;
8435 }
8436
8437 static int bnx2x_set_tso(struct net_device *dev, u32 data)
8438 {
8439 if (data) {
8440 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
8441 dev->features |= NETIF_F_TSO6;
8442 } else {
8443 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
8444 dev->features &= ~NETIF_F_TSO6;
8445 }
8446
8447 return 0;
8448 }
8449
8450 static const struct {
8451 char string[ETH_GSTRING_LEN];
8452 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
8453 { "register_test (offline)" },
8454 { "memory_test (offline)" },
8455 { "loopback_test (offline)" },
8456 { "nvram_test (online)" },
8457 { "interrupt_test (online)" },
8458 { "link_test (online)" },
8459 { "idle check (online)" },
8460 { "MC errors (online)" }
8461 };
8462
8463 static int bnx2x_self_test_count(struct net_device *dev)
8464 {
8465 return BNX2X_NUM_TESTS;
8466 }
8467
8468 static int bnx2x_test_registers(struct bnx2x *bp)
8469 {
8470 int idx, i, rc = -ENODEV;
8471 u32 wr_val = 0;
8472 int port = BP_PORT(bp);
8473 static const struct {
8474 u32 offset0;
8475 u32 offset1;
8476 u32 mask;
8477 } reg_tbl[] = {
8478 /* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8479 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8480 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8481 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8482 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8483 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8484 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8485 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8486 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8487 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8488 /* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8489 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8490 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8491 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8492 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8493 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8494 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8495 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8496 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8497 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8498 /* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8499 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8500 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8501 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8502 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8503 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8504 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8505 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8506 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8507 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8508 /* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8509 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8510 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8511 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8512 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8513 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8514 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8515 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8516
8517 { 0xffffffff, 0, 0x00000000 }
8518 };
8519
8520 if (!netif_running(bp->dev))
8521 return rc;
8522
8523 /* Repeat the test twice:
8524 First by writing 0x00000000, second by writing 0xffffffff */
8525 for (idx = 0; idx < 2; idx++) {
8526
8527 switch (idx) {
8528 case 0:
8529 wr_val = 0;
8530 break;
8531 case 1:
8532 wr_val = 0xffffffff;
8533 break;
8534 }
8535
8536 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8537 u32 offset, mask, save_val, val;
8538
8539 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8540 mask = reg_tbl[i].mask;
8541
8542 save_val = REG_RD(bp, offset);
8543
8544 REG_WR(bp, offset, wr_val);
8545 val = REG_RD(bp, offset);
8546
8547 /* Restore the original register's value */
8548 REG_WR(bp, offset, save_val);
8549
8550 /* verify that value is as expected value */
8551 if ((val & mask) != (wr_val & mask))
8552 goto test_reg_exit;
8553 }
8554 }
8555
8556 rc = 0;
8557
8558 test_reg_exit:
8559 return rc;
8560 }
8561
8562 static int bnx2x_test_memory(struct bnx2x *bp)
8563 {
8564 int i, j, rc = -ENODEV;
8565 u32 val;
8566 static const struct {
8567 u32 offset;
8568 int size;
8569 } mem_tbl[] = {
8570 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8571 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8572 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8573 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8574 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8575 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8576 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8577
8578 { 0xffffffff, 0 }
8579 };
8580 static const struct {
8581 char *name;
8582 u32 offset;
8583 u32 e1_mask;
8584 u32 e1h_mask;
8585 } prty_tbl[] = {
8586 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8587 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8588 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8589 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8590 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8591 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
8592
8593 { NULL, 0xffffffff, 0, 0 }
8594 };
8595
8596 if (!netif_running(bp->dev))
8597 return rc;
8598
8599 /* Go through all the memories */
8600 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8601 for (j = 0; j < mem_tbl[i].size; j++)
8602 REG_RD(bp, mem_tbl[i].offset + j*4);
8603
8604 /* Check the parity status */
8605 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8606 val = REG_RD(bp, prty_tbl[i].offset);
8607 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8608 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
8609 DP(NETIF_MSG_HW,
8610 "%s is 0x%x\n", prty_tbl[i].name, val);
8611 goto test_mem_exit;
8612 }
8613 }
8614
8615 rc = 0;
8616
8617 test_mem_exit:
8618 return rc;
8619 }
8620
8621 static void bnx2x_netif_start(struct bnx2x *bp)
8622 {
8623 int i;
8624
8625 if (atomic_dec_and_test(&bp->intr_sem)) {
8626 if (netif_running(bp->dev)) {
8627 bnx2x_int_enable(bp);
8628 for_each_queue(bp, i)
8629 napi_enable(&bnx2x_fp(bp, i, napi));
8630 if (bp->state == BNX2X_STATE_OPEN)
8631 netif_wake_queue(bp->dev);
8632 }
8633 }
8634 }
8635
8636 static void bnx2x_netif_stop(struct bnx2x *bp)
8637 {
8638 int i;
8639
8640 if (netif_running(bp->dev)) {
8641 netif_tx_disable(bp->dev);
8642 bp->dev->trans_start = jiffies; /* prevent tx timeout */
8643 for_each_queue(bp, i)
8644 napi_disable(&bnx2x_fp(bp, i, napi));
8645 }
8646 bnx2x_int_disable_sync(bp);
8647 }
8648
8649 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8650 {
8651 int cnt = 1000;
8652
8653 if (link_up)
8654 while (bnx2x_link_test(bp) && cnt--)
8655 msleep(10);
8656 }
8657
8658 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8659 {
8660 unsigned int pkt_size, num_pkts, i;
8661 struct sk_buff *skb;
8662 unsigned char *packet;
8663 struct bnx2x_fastpath *fp = &bp->fp[0];
8664 u16 tx_start_idx, tx_idx;
8665 u16 rx_start_idx, rx_idx;
8666 u16 pkt_prod;
8667 struct sw_tx_bd *tx_buf;
8668 struct eth_tx_bd *tx_bd;
8669 dma_addr_t mapping;
8670 union eth_rx_cqe *cqe;
8671 u8 cqe_fp_flags;
8672 struct sw_rx_bd *rx_buf;
8673 u16 len;
8674 int rc = -ENODEV;
8675
8676 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8677 bp->link_params.loopback_mode = LOOPBACK_BMAC;
8678 bnx2x_acquire_phy_lock(bp);
8679 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8680 bnx2x_release_phy_lock(bp);
8681
8682 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8683 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
8684 bnx2x_acquire_phy_lock(bp);
8685 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8686 bnx2x_release_phy_lock(bp);
8687 /* wait until link state is restored */
8688 bnx2x_wait_for_link(bp, link_up);
8689
8690 } else
8691 return -EINVAL;
8692
8693 pkt_size = 1514;
8694 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8695 if (!skb) {
8696 rc = -ENOMEM;
8697 goto test_loopback_exit;
8698 }
8699 packet = skb_put(skb, pkt_size);
8700 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8701 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8702 for (i = ETH_HLEN; i < pkt_size; i++)
8703 packet[i] = (unsigned char) (i & 0xff);
8704
8705 num_pkts = 0;
8706 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8707 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8708
8709 pkt_prod = fp->tx_pkt_prod++;
8710 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8711 tx_buf->first_bd = fp->tx_bd_prod;
8712 tx_buf->skb = skb;
8713
8714 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8715 mapping = pci_map_single(bp->pdev, skb->data,
8716 skb_headlen(skb), PCI_DMA_TODEVICE);
8717 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8718 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8719 tx_bd->nbd = cpu_to_le16(1);
8720 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8721 tx_bd->vlan = cpu_to_le16(pkt_prod);
8722 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8723 ETH_TX_BD_FLAGS_END_BD);
8724 tx_bd->general_data = ((UNICAST_ADDRESS <<
8725 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8726
8727 fp->hw_tx_prods->bds_prod =
8728 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8729 mb(); /* FW restriction: must not reorder writing nbd and packets */
8730 fp->hw_tx_prods->packets_prod =
8731 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8732 DOORBELL(bp, FP_IDX(fp), 0);
8733
8734 mmiowb();
8735
8736 num_pkts++;
8737 fp->tx_bd_prod++;
8738 bp->dev->trans_start = jiffies;
8739
8740 udelay(100);
8741
8742 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8743 if (tx_idx != tx_start_idx + num_pkts)
8744 goto test_loopback_exit;
8745
8746 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8747 if (rx_idx != rx_start_idx + num_pkts)
8748 goto test_loopback_exit;
8749
8750 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8751 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8752 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8753 goto test_loopback_rx_exit;
8754
8755 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8756 if (len != pkt_size)
8757 goto test_loopback_rx_exit;
8758
8759 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8760 skb = rx_buf->skb;
8761 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8762 for (i = ETH_HLEN; i < pkt_size; i++)
8763 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8764 goto test_loopback_rx_exit;
8765
8766 rc = 0;
8767
8768 test_loopback_rx_exit:
8769 bp->dev->last_rx = jiffies;
8770
8771 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8772 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8773 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8774 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8775
8776 /* Update producers */
8777 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8778 fp->rx_sge_prod);
8779 mmiowb(); /* keep prod updates ordered */
8780
8781 test_loopback_exit:
8782 bp->link_params.loopback_mode = LOOPBACK_NONE;
8783
8784 return rc;
8785 }
8786
8787 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8788 {
8789 int rc = 0;
8790
8791 if (!netif_running(bp->dev))
8792 return BNX2X_LOOPBACK_FAILED;
8793
8794 bnx2x_netif_stop(bp);
8795
8796 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8797 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8798 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8799 }
8800
8801 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8802 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8803 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8804 }
8805
8806 bnx2x_netif_start(bp);
8807
8808 return rc;
8809 }
8810
8811 #define CRC32_RESIDUAL 0xdebb20e3
8812
8813 static int bnx2x_test_nvram(struct bnx2x *bp)
8814 {
8815 static const struct {
8816 int offset;
8817 int size;
8818 } nvram_tbl[] = {
8819 { 0, 0x14 }, /* bootstrap */
8820 { 0x14, 0xec }, /* dir */
8821 { 0x100, 0x350 }, /* manuf_info */
8822 { 0x450, 0xf0 }, /* feature_info */
8823 { 0x640, 0x64 }, /* upgrade_key_info */
8824 { 0x6a4, 0x64 },
8825 { 0x708, 0x70 }, /* manuf_key_info */
8826 { 0x778, 0x70 },
8827 { 0, 0 }
8828 };
8829 u32 buf[0x350 / 4];
8830 u8 *data = (u8 *)buf;
8831 int i, rc;
8832 u32 magic, csum;
8833
8834 rc = bnx2x_nvram_read(bp, 0, data, 4);
8835 if (rc) {
8836 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8837 goto test_nvram_exit;
8838 }
8839
8840 magic = be32_to_cpu(buf[0]);
8841 if (magic != 0x669955aa) {
8842 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8843 rc = -ENODEV;
8844 goto test_nvram_exit;
8845 }
8846
8847 for (i = 0; nvram_tbl[i].size; i++) {
8848
8849 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8850 nvram_tbl[i].size);
8851 if (rc) {
8852 DP(NETIF_MSG_PROBE,
8853 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8854 goto test_nvram_exit;
8855 }
8856
8857 csum = ether_crc_le(nvram_tbl[i].size, data);
8858 if (csum != CRC32_RESIDUAL) {
8859 DP(NETIF_MSG_PROBE,
8860 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8861 rc = -ENODEV;
8862 goto test_nvram_exit;
8863 }
8864 }
8865
8866 test_nvram_exit:
8867 return rc;
8868 }
8869
8870 static int bnx2x_test_intr(struct bnx2x *bp)
8871 {
8872 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8873 int i, rc;
8874
8875 if (!netif_running(bp->dev))
8876 return -ENODEV;
8877
8878 config->hdr.length_6b = 0;
8879 config->hdr.offset = 0;
8880 config->hdr.client_id = BP_CL_ID(bp);
8881 config->hdr.reserved1 = 0;
8882
8883 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8884 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8885 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8886 if (rc == 0) {
8887 bp->set_mac_pending++;
8888 for (i = 0; i < 10; i++) {
8889 if (!bp->set_mac_pending)
8890 break;
8891 msleep_interruptible(10);
8892 }
8893 if (i == 10)
8894 rc = -ENODEV;
8895 }
8896
8897 return rc;
8898 }
8899
8900 static void bnx2x_self_test(struct net_device *dev,
8901 struct ethtool_test *etest, u64 *buf)
8902 {
8903 struct bnx2x *bp = netdev_priv(dev);
8904
8905 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8906
8907 if (!netif_running(dev))
8908 return;
8909
8910 /* offline tests are not supported in MF mode */
8911 if (IS_E1HMF(bp))
8912 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8913
8914 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8915 u8 link_up;
8916
8917 link_up = bp->link_vars.link_up;
8918 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8919 bnx2x_nic_load(bp, LOAD_DIAG);
8920 /* wait until link state is restored */
8921 bnx2x_wait_for_link(bp, link_up);
8922
8923 if (bnx2x_test_registers(bp) != 0) {
8924 buf[0] = 1;
8925 etest->flags |= ETH_TEST_FL_FAILED;
8926 }
8927 if (bnx2x_test_memory(bp) != 0) {
8928 buf[1] = 1;
8929 etest->flags |= ETH_TEST_FL_FAILED;
8930 }
8931 buf[2] = bnx2x_test_loopback(bp, link_up);
8932 if (buf[2] != 0)
8933 etest->flags |= ETH_TEST_FL_FAILED;
8934
8935 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8936 bnx2x_nic_load(bp, LOAD_NORMAL);
8937 /* wait until link state is restored */
8938 bnx2x_wait_for_link(bp, link_up);
8939 }
8940 if (bnx2x_test_nvram(bp) != 0) {
8941 buf[3] = 1;
8942 etest->flags |= ETH_TEST_FL_FAILED;
8943 }
8944 if (bnx2x_test_intr(bp) != 0) {
8945 buf[4] = 1;
8946 etest->flags |= ETH_TEST_FL_FAILED;
8947 }
8948 if (bp->port.pmf)
8949 if (bnx2x_link_test(bp) != 0) {
8950 buf[5] = 1;
8951 etest->flags |= ETH_TEST_FL_FAILED;
8952 }
8953 buf[7] = bnx2x_mc_assert(bp);
8954 if (buf[7] != 0)
8955 etest->flags |= ETH_TEST_FL_FAILED;
8956
8957 #ifdef BNX2X_EXTRA_DEBUG
8958 bnx2x_panic_dump(bp);
8959 #endif
8960 }
8961
8962 static const struct {
8963 long offset;
8964 int size;
8965 u32 flags;
8966 #define STATS_FLAGS_PORT 1
8967 #define STATS_FLAGS_FUNC 2
8968 u8 string[ETH_GSTRING_LEN];
8969 } bnx2x_stats_arr[BNX2X_NUM_STATS] = {
8970 /* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8971 8, STATS_FLAGS_FUNC, "rx_bytes" },
8972 { STATS_OFFSET32(error_bytes_received_hi),
8973 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8974 { STATS_OFFSET32(total_bytes_transmitted_hi),
8975 8, STATS_FLAGS_FUNC, "tx_bytes" },
8976 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8977 8, STATS_FLAGS_PORT, "tx_error_bytes" },
8978 { STATS_OFFSET32(total_unicast_packets_received_hi),
8979 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
8980 { STATS_OFFSET32(total_multicast_packets_received_hi),
8981 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
8982 { STATS_OFFSET32(total_broadcast_packets_received_hi),
8983 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
8984 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
8985 8, STATS_FLAGS_FUNC, "tx_packets" },
8986 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
8987 8, STATS_FLAGS_PORT, "tx_mac_errors" },
8988 /* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
8989 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
8990 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
8991 8, STATS_FLAGS_PORT, "rx_crc_errors" },
8992 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
8993 8, STATS_FLAGS_PORT, "rx_align_errors" },
8994 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
8995 8, STATS_FLAGS_PORT, "tx_single_collisions" },
8996 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
8997 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
8998 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
8999 8, STATS_FLAGS_PORT, "tx_deferred" },
9000 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
9001 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
9002 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
9003 8, STATS_FLAGS_PORT, "tx_late_collisions" },
9004 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
9005 8, STATS_FLAGS_PORT, "tx_total_collisions" },
9006 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
9007 8, STATS_FLAGS_PORT, "rx_fragments" },
9008 /* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9009 8, STATS_FLAGS_PORT, "rx_jabbers" },
9010 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
9011 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
9012 { STATS_OFFSET32(jabber_packets_received),
9013 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
9014 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
9015 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
9016 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
9017 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
9018 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
9019 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
9020 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
9021 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
9022 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
9023 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
9024 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
9025 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
9026 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
9027 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
9028 /* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
9029 8, STATS_FLAGS_PORT, "rx_xon_frames" },
9030 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
9031 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9032 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9033 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9034 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9035 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
9036 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
9037 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9038 { STATS_OFFSET32(mac_filter_discard),
9039 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9040 { STATS_OFFSET32(no_buff_discard),
9041 4, STATS_FLAGS_FUNC, "rx_discards" },
9042 { STATS_OFFSET32(xxoverflow_discard),
9043 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9044 { STATS_OFFSET32(brb_drop_hi),
9045 8, STATS_FLAGS_PORT, "brb_discard" },
9046 { STATS_OFFSET32(brb_truncate_hi),
9047 8, STATS_FLAGS_PORT, "brb_truncate" },
9048 /* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9049 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9050 { STATS_OFFSET32(rx_skb_alloc_failed),
9051 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9052 /* 42 */{ STATS_OFFSET32(hw_csum_err),
9053 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
9054 };
9055
9056 #define IS_NOT_E1HMF_STAT(bp, i) \
9057 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9058
9059 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9060 {
9061 struct bnx2x *bp = netdev_priv(dev);
9062 int i, j;
9063
9064 switch (stringset) {
9065 case ETH_SS_STATS:
9066 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9067 if (IS_NOT_E1HMF_STAT(bp, i))
9068 continue;
9069 strcpy(buf + j*ETH_GSTRING_LEN,
9070 bnx2x_stats_arr[i].string);
9071 j++;
9072 }
9073 break;
9074
9075 case ETH_SS_TEST:
9076 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9077 break;
9078 }
9079 }
9080
9081 static int bnx2x_get_stats_count(struct net_device *dev)
9082 {
9083 struct bnx2x *bp = netdev_priv(dev);
9084 int i, num_stats = 0;
9085
9086 for (i = 0; i < BNX2X_NUM_STATS; i++) {
9087 if (IS_NOT_E1HMF_STAT(bp, i))
9088 continue;
9089 num_stats++;
9090 }
9091 return num_stats;
9092 }
9093
9094 static void bnx2x_get_ethtool_stats(struct net_device *dev,
9095 struct ethtool_stats *stats, u64 *buf)
9096 {
9097 struct bnx2x *bp = netdev_priv(dev);
9098 u32 *hw_stats = (u32 *)&bp->eth_stats;
9099 int i, j;
9100
9101 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9102 if (IS_NOT_E1HMF_STAT(bp, i))
9103 continue;
9104
9105 if (bnx2x_stats_arr[i].size == 0) {
9106 /* skip this counter */
9107 buf[j] = 0;
9108 j++;
9109 continue;
9110 }
9111 if (bnx2x_stats_arr[i].size == 4) {
9112 /* 4-byte counter */
9113 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9114 j++;
9115 continue;
9116 }
9117 /* 8-byte counter */
9118 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9119 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9120 j++;
9121 }
9122 }
9123
9124 static int bnx2x_phys_id(struct net_device *dev, u32 data)
9125 {
9126 struct bnx2x *bp = netdev_priv(dev);
9127 int port = BP_PORT(bp);
9128 int i;
9129
9130 if (!netif_running(dev))
9131 return 0;
9132
9133 if (!bp->port.pmf)
9134 return 0;
9135
9136 if (data == 0)
9137 data = 2;
9138
9139 for (i = 0; i < (data * 2); i++) {
9140 if ((i % 2) == 0)
9141 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
9142 bp->link_params.hw_led_mode,
9143 bp->link_params.chip_id);
9144 else
9145 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
9146 bp->link_params.hw_led_mode,
9147 bp->link_params.chip_id);
9148
9149 msleep_interruptible(500);
9150 if (signal_pending(current))
9151 break;
9152 }
9153
9154 if (bp->link_vars.link_up)
9155 bnx2x_set_led(bp, port, LED_MODE_OPER,
9156 bp->link_vars.line_speed,
9157 bp->link_params.hw_led_mode,
9158 bp->link_params.chip_id);
9159
9160 return 0;
9161 }
9162
9163 static struct ethtool_ops bnx2x_ethtool_ops = {
9164 .get_settings = bnx2x_get_settings,
9165 .set_settings = bnx2x_set_settings,
9166 .get_drvinfo = bnx2x_get_drvinfo,
9167 .get_wol = bnx2x_get_wol,
9168 .set_wol = bnx2x_set_wol,
9169 .get_msglevel = bnx2x_get_msglevel,
9170 .set_msglevel = bnx2x_set_msglevel,
9171 .nway_reset = bnx2x_nway_reset,
9172 .get_link = ethtool_op_get_link,
9173 .get_eeprom_len = bnx2x_get_eeprom_len,
9174 .get_eeprom = bnx2x_get_eeprom,
9175 .set_eeprom = bnx2x_set_eeprom,
9176 .get_coalesce = bnx2x_get_coalesce,
9177 .set_coalesce = bnx2x_set_coalesce,
9178 .get_ringparam = bnx2x_get_ringparam,
9179 .set_ringparam = bnx2x_set_ringparam,
9180 .get_pauseparam = bnx2x_get_pauseparam,
9181 .set_pauseparam = bnx2x_set_pauseparam,
9182 .get_rx_csum = bnx2x_get_rx_csum,
9183 .set_rx_csum = bnx2x_set_rx_csum,
9184 .get_tx_csum = ethtool_op_get_tx_csum,
9185 .set_tx_csum = ethtool_op_set_tx_hw_csum,
9186 .set_flags = bnx2x_set_flags,
9187 .get_flags = ethtool_op_get_flags,
9188 .get_sg = ethtool_op_get_sg,
9189 .set_sg = ethtool_op_set_sg,
9190 .get_tso = ethtool_op_get_tso,
9191 .set_tso = bnx2x_set_tso,
9192 .self_test_count = bnx2x_self_test_count,
9193 .self_test = bnx2x_self_test,
9194 .get_strings = bnx2x_get_strings,
9195 .phys_id = bnx2x_phys_id,
9196 .get_stats_count = bnx2x_get_stats_count,
9197 .get_ethtool_stats = bnx2x_get_ethtool_stats,
9198 };
9199
9200 /* end of ethtool_ops */
9201
9202 /****************************************************************************
9203 * General service functions
9204 ****************************************************************************/
9205
9206 static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9207 {
9208 u16 pmcsr;
9209
9210 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9211
9212 switch (state) {
9213 case PCI_D0:
9214 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9215 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9216 PCI_PM_CTRL_PME_STATUS));
9217
9218 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9219 /* delay required during transition out of D3hot */
9220 msleep(20);
9221 break;
9222
9223 case PCI_D3hot:
9224 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9225 pmcsr |= 3;
9226
9227 if (bp->wol)
9228 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9229
9230 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9231 pmcsr);
9232
9233 /* No more memory access after this point until
9234 * device is brought back to D0.
9235 */
9236 break;
9237
9238 default:
9239 return -EINVAL;
9240 }
9241 return 0;
9242 }
9243
9244 /*
9245 * net_device service functions
9246 */
9247
9248 static int bnx2x_poll(struct napi_struct *napi, int budget)
9249 {
9250 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9251 napi);
9252 struct bnx2x *bp = fp->bp;
9253 int work_done = 0;
9254
9255 #ifdef BNX2X_STOP_ON_ERROR
9256 if (unlikely(bp->panic))
9257 goto poll_panic;
9258 #endif
9259
9260 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9261 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9262 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9263
9264 bnx2x_update_fpsb_idx(fp);
9265
9266 if (BNX2X_HAS_TX_WORK(fp))
9267 bnx2x_tx_int(fp, budget);
9268
9269 if (BNX2X_HAS_RX_WORK(fp))
9270 work_done = bnx2x_rx_int(fp, budget);
9271
9272 rmb(); /* BNX2X_HAS_WORK() reads the status block */
9273
9274 /* must not complete if we consumed full budget */
9275 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
9276
9277 #ifdef BNX2X_STOP_ON_ERROR
9278 poll_panic:
9279 #endif
9280 netif_rx_complete(bp->dev, napi);
9281
9282 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
9283 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9284 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
9285 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9286 }
9287 return work_done;
9288 }
9289
9290
9291 /* we split the first BD into headers and data BDs
9292 * to ease the pain of our fellow microcode engineers
9293 * we use one mapping for both BDs
9294 * So far this has only been observed to happen
9295 * in Other Operating Systems(TM)
9296 */
9297 static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9298 struct bnx2x_fastpath *fp,
9299 struct eth_tx_bd **tx_bd, u16 hlen,
9300 u16 bd_prod, int nbd)
9301 {
9302 struct eth_tx_bd *h_tx_bd = *tx_bd;
9303 struct eth_tx_bd *d_tx_bd;
9304 dma_addr_t mapping;
9305 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9306
9307 /* first fix first BD */
9308 h_tx_bd->nbd = cpu_to_le16(nbd);
9309 h_tx_bd->nbytes = cpu_to_le16(hlen);
9310
9311 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9312 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9313 h_tx_bd->addr_lo, h_tx_bd->nbd);
9314
9315 /* now get a new data BD
9316 * (after the pbd) and fill it */
9317 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9318 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9319
9320 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9321 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9322
9323 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9324 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9325 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9326 d_tx_bd->vlan = 0;
9327 /* this marks the BD as one that has no individual mapping
9328 * the FW ignores this flag in a BD not marked start
9329 */
9330 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9331 DP(NETIF_MSG_TX_QUEUED,
9332 "TSO split data size is %d (%x:%x)\n",
9333 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9334
9335 /* update tx_bd for marking the last BD flag */
9336 *tx_bd = d_tx_bd;
9337
9338 return bd_prod;
9339 }
9340
9341 static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9342 {
9343 if (fix > 0)
9344 csum = (u16) ~csum_fold(csum_sub(csum,
9345 csum_partial(t_header - fix, fix, 0)));
9346
9347 else if (fix < 0)
9348 csum = (u16) ~csum_fold(csum_add(csum,
9349 csum_partial(t_header, -fix, 0)));
9350
9351 return swab16(csum);
9352 }
9353
9354 static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9355 {
9356 u32 rc;
9357
9358 if (skb->ip_summed != CHECKSUM_PARTIAL)
9359 rc = XMIT_PLAIN;
9360
9361 else {
9362 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9363 rc = XMIT_CSUM_V6;
9364 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9365 rc |= XMIT_CSUM_TCP;
9366
9367 } else {
9368 rc = XMIT_CSUM_V4;
9369 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9370 rc |= XMIT_CSUM_TCP;
9371 }
9372 }
9373
9374 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9375 rc |= XMIT_GSO_V4;
9376
9377 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9378 rc |= XMIT_GSO_V6;
9379
9380 return rc;
9381 }
9382
9383 /* check if packet requires linearization (packet is too fragmented) */
9384 static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9385 u32 xmit_type)
9386 {
9387 int to_copy = 0;
9388 int hlen = 0;
9389 int first_bd_sz = 0;
9390
9391 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9392 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9393
9394 if (xmit_type & XMIT_GSO) {
9395 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9396 /* Check if LSO packet needs to be copied:
9397 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9398 int wnd_size = MAX_FETCH_BD - 3;
9399 /* Number of windows to check */
9400 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9401 int wnd_idx = 0;
9402 int frag_idx = 0;
9403 u32 wnd_sum = 0;
9404
9405 /* Headers length */
9406 hlen = (int)(skb_transport_header(skb) - skb->data) +
9407 tcp_hdrlen(skb);
9408
9409 /* Amount of data (w/o headers) on linear part of SKB*/
9410 first_bd_sz = skb_headlen(skb) - hlen;
9411
9412 wnd_sum = first_bd_sz;
9413
9414 /* Calculate the first sum - it's special */
9415 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9416 wnd_sum +=
9417 skb_shinfo(skb)->frags[frag_idx].size;
9418
9419 /* If there was data on linear skb data - check it */
9420 if (first_bd_sz > 0) {
9421 if (unlikely(wnd_sum < lso_mss)) {
9422 to_copy = 1;
9423 goto exit_lbl;
9424 }
9425
9426 wnd_sum -= first_bd_sz;
9427 }
9428
9429 /* Others are easier: run through the frag list and
9430 check all windows */
9431 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9432 wnd_sum +=
9433 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9434
9435 if (unlikely(wnd_sum < lso_mss)) {
9436 to_copy = 1;
9437 break;
9438 }
9439 wnd_sum -=
9440 skb_shinfo(skb)->frags[wnd_idx].size;
9441 }
9442
9443 } else {
9444 /* in non-LSO too fragmented packet should always
9445 be linearized */
9446 to_copy = 1;
9447 }
9448 }
9449
9450 exit_lbl:
9451 if (unlikely(to_copy))
9452 DP(NETIF_MSG_TX_QUEUED,
9453 "Linearization IS REQUIRED for %s packet. "
9454 "num_frags %d hlen %d first_bd_sz %d\n",
9455 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9456 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9457
9458 return to_copy;
9459 }
9460
9461 /* called with netif_tx_lock
9462 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
9463 * netif_wake_queue()
9464 */
9465 static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9466 {
9467 struct bnx2x *bp = netdev_priv(dev);
9468 struct bnx2x_fastpath *fp;
9469 struct sw_tx_bd *tx_buf;
9470 struct eth_tx_bd *tx_bd;
9471 struct eth_tx_parse_bd *pbd = NULL;
9472 u16 pkt_prod, bd_prod;
9473 int nbd, fp_index;
9474 dma_addr_t mapping;
9475 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9476 int vlan_off = (bp->e1hov ? 4 : 0);
9477 int i;
9478 u8 hlen = 0;
9479
9480 #ifdef BNX2X_STOP_ON_ERROR
9481 if (unlikely(bp->panic))
9482 return NETDEV_TX_BUSY;
9483 #endif
9484
9485 fp_index = (smp_processor_id() % bp->num_queues);
9486 fp = &bp->fp[fp_index];
9487
9488 if (unlikely(bnx2x_tx_avail(bp->fp) <
9489 (skb_shinfo(skb)->nr_frags + 3))) {
9490 bp->eth_stats.driver_xoff++,
9491 netif_stop_queue(dev);
9492 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9493 return NETDEV_TX_BUSY;
9494 }
9495
9496 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9497 " gso type %x xmit_type %x\n",
9498 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9499 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9500
9501 /* First, check if we need to linearize the skb
9502 (due to FW restrictions) */
9503 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9504 /* Statistics of linearization */
9505 bp->lin_cnt++;
9506 if (skb_linearize(skb) != 0) {
9507 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9508 "silently dropping this SKB\n");
9509 dev_kfree_skb_any(skb);
9510 return NETDEV_TX_OK;
9511 }
9512 }
9513
9514 /*
9515 Please read carefully. First we use one BD which we mark as start,
9516 then for TSO or xsum we have a parsing info BD,
9517 and only then we have the rest of the TSO BDs.
9518 (don't forget to mark the last one as last,
9519 and to unmap only AFTER you write to the BD ...)
9520 And above all, all pdb sizes are in words - NOT DWORDS!
9521 */
9522
9523 pkt_prod = fp->tx_pkt_prod++;
9524 bd_prod = TX_BD(fp->tx_bd_prod);
9525
9526 /* get a tx_buf and first BD */
9527 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9528 tx_bd = &fp->tx_desc_ring[bd_prod];
9529
9530 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9531 tx_bd->general_data = (UNICAST_ADDRESS <<
9532 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9533 /* header nbd */
9534 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
9535
9536 /* remember the first BD of the packet */
9537 tx_buf->first_bd = fp->tx_bd_prod;
9538 tx_buf->skb = skb;
9539
9540 DP(NETIF_MSG_TX_QUEUED,
9541 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9542 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9543
9544 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9545 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9546 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
9547 vlan_off += 4;
9548 } else
9549 tx_bd->vlan = cpu_to_le16(pkt_prod);
9550
9551 if (xmit_type) {
9552
9553 /* turn on parsing and get a BD */
9554 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9555 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9556
9557 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9558 }
9559
9560 if (xmit_type & XMIT_CSUM) {
9561 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9562
9563 /* for now NS flag is not used in Linux */
9564 pbd->global_data = (hlen |
9565 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9566 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9567
9568 pbd->ip_hlen = (skb_transport_header(skb) -
9569 skb_network_header(skb)) / 2;
9570
9571 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9572
9573 pbd->total_hlen = cpu_to_le16(hlen);
9574 hlen = hlen*2 - vlan_off;
9575
9576 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9577
9578 if (xmit_type & XMIT_CSUM_V4)
9579 tx_bd->bd_flags.as_bitfield |=
9580 ETH_TX_BD_FLAGS_IP_CSUM;
9581 else
9582 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9583
9584 if (xmit_type & XMIT_CSUM_TCP) {
9585 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9586
9587 } else {
9588 s8 fix = SKB_CS_OFF(skb); /* signed! */
9589
9590 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9591 pbd->cs_offset = fix / 2;
9592
9593 DP(NETIF_MSG_TX_QUEUED,
9594 "hlen %d offset %d fix %d csum before fix %x\n",
9595 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9596 SKB_CS(skb));
9597
9598 /* HW bug: fixup the CSUM */
9599 pbd->tcp_pseudo_csum =
9600 bnx2x_csum_fix(skb_transport_header(skb),
9601 SKB_CS(skb), fix);
9602
9603 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9604 pbd->tcp_pseudo_csum);
9605 }
9606 }
9607
9608 mapping = pci_map_single(bp->pdev, skb->data,
9609 skb_headlen(skb), PCI_DMA_TODEVICE);
9610
9611 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9612 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9613 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2);
9614 tx_bd->nbd = cpu_to_le16(nbd);
9615 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9616
9617 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
9618 " nbytes %d flags %x vlan %x\n",
9619 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9620 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9621 le16_to_cpu(tx_bd->vlan));
9622
9623 if (xmit_type & XMIT_GSO) {
9624
9625 DP(NETIF_MSG_TX_QUEUED,
9626 "TSO packet len %d hlen %d total len %d tso size %d\n",
9627 skb->len, hlen, skb_headlen(skb),
9628 skb_shinfo(skb)->gso_size);
9629
9630 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9631
9632 if (unlikely(skb_headlen(skb) > hlen))
9633 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9634 bd_prod, ++nbd);
9635
9636 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9637 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
9638 pbd->tcp_flags = pbd_tcp_flags(skb);
9639
9640 if (xmit_type & XMIT_GSO_V4) {
9641 pbd->ip_id = swab16(ip_hdr(skb)->id);
9642 pbd->tcp_pseudo_csum =
9643 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9644 ip_hdr(skb)->daddr,
9645 0, IPPROTO_TCP, 0));
9646
9647 } else
9648 pbd->tcp_pseudo_csum =
9649 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9650 &ipv6_hdr(skb)->daddr,
9651 0, IPPROTO_TCP, 0));
9652
9653 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9654 }
9655
9656 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9657 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
9658
9659 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9660 tx_bd = &fp->tx_desc_ring[bd_prod];
9661
9662 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9663 frag->size, PCI_DMA_TODEVICE);
9664
9665 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9666 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9667 tx_bd->nbytes = cpu_to_le16(frag->size);
9668 tx_bd->vlan = cpu_to_le16(pkt_prod);
9669 tx_bd->bd_flags.as_bitfield = 0;
9670
9671 DP(NETIF_MSG_TX_QUEUED,
9672 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9673 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9674 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
9675 }
9676
9677 /* now at last mark the BD as the last BD */
9678 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9679
9680 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9681 tx_bd, tx_bd->bd_flags.as_bitfield);
9682
9683 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9684
9685 /* now send a tx doorbell, counting the next BD
9686 * if the packet contains or ends with it
9687 */
9688 if (TX_BD_POFF(bd_prod) < nbd)
9689 nbd++;
9690
9691 if (pbd)
9692 DP(NETIF_MSG_TX_QUEUED,
9693 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9694 " tcp_flags %x xsum %x seq %u hlen %u\n",
9695 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9696 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
9697 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
9698
9699 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
9700
9701 fp->hw_tx_prods->bds_prod =
9702 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
9703 mb(); /* FW restriction: must not reorder writing nbd and packets */
9704 fp->hw_tx_prods->packets_prod =
9705 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
9706 DOORBELL(bp, FP_IDX(fp), 0);
9707
9708 mmiowb();
9709
9710 fp->tx_bd_prod += nbd;
9711 dev->trans_start = jiffies;
9712
9713 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9714 netif_stop_queue(dev);
9715 bp->eth_stats.driver_xoff++;
9716 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9717 netif_wake_queue(dev);
9718 }
9719 fp->tx_pkt++;
9720
9721 return NETDEV_TX_OK;
9722 }
9723
9724 /* called with rtnl_lock */
9725 static int bnx2x_open(struct net_device *dev)
9726 {
9727 struct bnx2x *bp = netdev_priv(dev);
9728
9729 bnx2x_set_power_state(bp, PCI_D0);
9730
9731 return bnx2x_nic_load(bp, LOAD_OPEN);
9732 }
9733
9734 /* called with rtnl_lock */
9735 static int bnx2x_close(struct net_device *dev)
9736 {
9737 struct bnx2x *bp = netdev_priv(dev);
9738
9739 /* Unload the driver, release IRQs */
9740 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9741 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9742 if (!CHIP_REV_IS_SLOW(bp))
9743 bnx2x_set_power_state(bp, PCI_D3hot);
9744
9745 return 0;
9746 }
9747
9748 /* called with netif_tx_lock from set_multicast */
9749 static void bnx2x_set_rx_mode(struct net_device *dev)
9750 {
9751 struct bnx2x *bp = netdev_priv(dev);
9752 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9753 int port = BP_PORT(bp);
9754
9755 if (bp->state != BNX2X_STATE_OPEN) {
9756 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9757 return;
9758 }
9759
9760 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9761
9762 if (dev->flags & IFF_PROMISC)
9763 rx_mode = BNX2X_RX_MODE_PROMISC;
9764
9765 else if ((dev->flags & IFF_ALLMULTI) ||
9766 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9767 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9768
9769 else { /* some multicasts */
9770 if (CHIP_IS_E1(bp)) {
9771 int i, old, offset;
9772 struct dev_mc_list *mclist;
9773 struct mac_configuration_cmd *config =
9774 bnx2x_sp(bp, mcast_config);
9775
9776 for (i = 0, mclist = dev->mc_list;
9777 mclist && (i < dev->mc_count);
9778 i++, mclist = mclist->next) {
9779
9780 config->config_table[i].
9781 cam_entry.msb_mac_addr =
9782 swab16(*(u16 *)&mclist->dmi_addr[0]);
9783 config->config_table[i].
9784 cam_entry.middle_mac_addr =
9785 swab16(*(u16 *)&mclist->dmi_addr[2]);
9786 config->config_table[i].
9787 cam_entry.lsb_mac_addr =
9788 swab16(*(u16 *)&mclist->dmi_addr[4]);
9789 config->config_table[i].cam_entry.flags =
9790 cpu_to_le16(port);
9791 config->config_table[i].
9792 target_table_entry.flags = 0;
9793 config->config_table[i].
9794 target_table_entry.client_id = 0;
9795 config->config_table[i].
9796 target_table_entry.vlan_id = 0;
9797
9798 DP(NETIF_MSG_IFUP,
9799 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9800 config->config_table[i].
9801 cam_entry.msb_mac_addr,
9802 config->config_table[i].
9803 cam_entry.middle_mac_addr,
9804 config->config_table[i].
9805 cam_entry.lsb_mac_addr);
9806 }
9807 old = config->hdr.length_6b;
9808 if (old > i) {
9809 for (; i < old; i++) {
9810 if (CAM_IS_INVALID(config->
9811 config_table[i])) {
9812 i--; /* already invalidated */
9813 break;
9814 }
9815 /* invalidate */
9816 CAM_INVALIDATE(config->
9817 config_table[i]);
9818 }
9819 }
9820
9821 if (CHIP_REV_IS_SLOW(bp))
9822 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9823 else
9824 offset = BNX2X_MAX_MULTICAST*(1 + port);
9825
9826 config->hdr.length_6b = i;
9827 config->hdr.offset = offset;
9828 config->hdr.client_id = BP_CL_ID(bp);
9829 config->hdr.reserved1 = 0;
9830
9831 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9832 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9833 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9834 0);
9835 } else { /* E1H */
9836 /* Accept one or more multicasts */
9837 struct dev_mc_list *mclist;
9838 u32 mc_filter[MC_HASH_SIZE];
9839 u32 crc, bit, regidx;
9840 int i;
9841
9842 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9843
9844 for (i = 0, mclist = dev->mc_list;
9845 mclist && (i < dev->mc_count);
9846 i++, mclist = mclist->next) {
9847
9848 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9849 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9850 mclist->dmi_addr[0], mclist->dmi_addr[1],
9851 mclist->dmi_addr[2], mclist->dmi_addr[3],
9852 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9853
9854 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9855 bit = (crc >> 24) & 0xff;
9856 regidx = bit >> 5;
9857 bit &= 0x1f;
9858 mc_filter[regidx] |= (1 << bit);
9859 }
9860
9861 for (i = 0; i < MC_HASH_SIZE; i++)
9862 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9863 mc_filter[i]);
9864 }
9865 }
9866
9867 bp->rx_mode = rx_mode;
9868 bnx2x_set_storm_rx_mode(bp);
9869 }
9870
9871 /* called with rtnl_lock */
9872 static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9873 {
9874 struct sockaddr *addr = p;
9875 struct bnx2x *bp = netdev_priv(dev);
9876
9877 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
9878 return -EINVAL;
9879
9880 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9881 if (netif_running(dev)) {
9882 if (CHIP_IS_E1(bp))
9883 bnx2x_set_mac_addr_e1(bp, 1);
9884 else
9885 bnx2x_set_mac_addr_e1h(bp, 1);
9886 }
9887
9888 return 0;
9889 }
9890
9891 /* called with rtnl_lock */
9892 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9893 {
9894 struct mii_ioctl_data *data = if_mii(ifr);
9895 struct bnx2x *bp = netdev_priv(dev);
9896 int port = BP_PORT(bp);
9897 int err;
9898
9899 switch (cmd) {
9900 case SIOCGMIIPHY:
9901 data->phy_id = bp->port.phy_addr;
9902
9903 /* fallthrough */
9904
9905 case SIOCGMIIREG: {
9906 u16 mii_regval;
9907
9908 if (!netif_running(dev))
9909 return -EAGAIN;
9910
9911 mutex_lock(&bp->port.phy_mutex);
9912 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
9913 DEFAULT_PHY_DEV_ADDR,
9914 (data->reg_num & 0x1f), &mii_regval);
9915 data->val_out = mii_regval;
9916 mutex_unlock(&bp->port.phy_mutex);
9917 return err;
9918 }
9919
9920 case SIOCSMIIREG:
9921 if (!capable(CAP_NET_ADMIN))
9922 return -EPERM;
9923
9924 if (!netif_running(dev))
9925 return -EAGAIN;
9926
9927 mutex_lock(&bp->port.phy_mutex);
9928 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
9929 DEFAULT_PHY_DEV_ADDR,
9930 (data->reg_num & 0x1f), data->val_in);
9931 mutex_unlock(&bp->port.phy_mutex);
9932 return err;
9933
9934 default:
9935 /* do nothing */
9936 break;
9937 }
9938
9939 return -EOPNOTSUPP;
9940 }
9941
9942 /* called with rtnl_lock */
9943 static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9944 {
9945 struct bnx2x *bp = netdev_priv(dev);
9946 int rc = 0;
9947
9948 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9949 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9950 return -EINVAL;
9951
9952 /* This does not race with packet allocation
9953 * because the actual alloc size is
9954 * only updated as part of load
9955 */
9956 dev->mtu = new_mtu;
9957
9958 if (netif_running(dev)) {
9959 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9960 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
9961 }
9962
9963 return rc;
9964 }
9965
9966 static void bnx2x_tx_timeout(struct net_device *dev)
9967 {
9968 struct bnx2x *bp = netdev_priv(dev);
9969
9970 #ifdef BNX2X_STOP_ON_ERROR
9971 if (!bp->panic)
9972 bnx2x_panic();
9973 #endif
9974 /* This allows the netif to be shutdown gracefully before resetting */
9975 schedule_work(&bp->reset_task);
9976 }
9977
9978 #ifdef BCM_VLAN
9979 /* called with rtnl_lock */
9980 static void bnx2x_vlan_rx_register(struct net_device *dev,
9981 struct vlan_group *vlgrp)
9982 {
9983 struct bnx2x *bp = netdev_priv(dev);
9984
9985 bp->vlgrp = vlgrp;
9986 if (netif_running(dev))
9987 bnx2x_set_client_config(bp);
9988 }
9989
9990 #endif
9991
9992 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9993 static void poll_bnx2x(struct net_device *dev)
9994 {
9995 struct bnx2x *bp = netdev_priv(dev);
9996
9997 disable_irq(bp->pdev->irq);
9998 bnx2x_interrupt(bp->pdev->irq, dev);
9999 enable_irq(bp->pdev->irq);
10000 }
10001 #endif
10002
10003 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10004 struct net_device *dev)
10005 {
10006 struct bnx2x *bp;
10007 int rc;
10008
10009 SET_NETDEV_DEV(dev, &pdev->dev);
10010 bp = netdev_priv(dev);
10011
10012 bp->dev = dev;
10013 bp->pdev = pdev;
10014 bp->flags = 0;
10015 bp->func = PCI_FUNC(pdev->devfn);
10016
10017 rc = pci_enable_device(pdev);
10018 if (rc) {
10019 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10020 goto err_out;
10021 }
10022
10023 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10024 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10025 " aborting\n");
10026 rc = -ENODEV;
10027 goto err_out_disable;
10028 }
10029
10030 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10031 printk(KERN_ERR PFX "Cannot find second PCI device"
10032 " base address, aborting\n");
10033 rc = -ENODEV;
10034 goto err_out_disable;
10035 }
10036
10037 if (atomic_read(&pdev->enable_cnt) == 1) {
10038 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10039 if (rc) {
10040 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10041 " aborting\n");
10042 goto err_out_disable;
10043 }
10044
10045 pci_set_master(pdev);
10046 pci_save_state(pdev);
10047 }
10048
10049 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10050 if (bp->pm_cap == 0) {
10051 printk(KERN_ERR PFX "Cannot find power management"
10052 " capability, aborting\n");
10053 rc = -EIO;
10054 goto err_out_release;
10055 }
10056
10057 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10058 if (bp->pcie_cap == 0) {
10059 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10060 " aborting\n");
10061 rc = -EIO;
10062 goto err_out_release;
10063 }
10064
10065 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10066 bp->flags |= USING_DAC_FLAG;
10067 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10068 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10069 " failed, aborting\n");
10070 rc = -EIO;
10071 goto err_out_release;
10072 }
10073
10074 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10075 printk(KERN_ERR PFX "System does not support DMA,"
10076 " aborting\n");
10077 rc = -EIO;
10078 goto err_out_release;
10079 }
10080
10081 dev->mem_start = pci_resource_start(pdev, 0);
10082 dev->base_addr = dev->mem_start;
10083 dev->mem_end = pci_resource_end(pdev, 0);
10084
10085 dev->irq = pdev->irq;
10086
10087 bp->regview = ioremap_nocache(dev->base_addr,
10088 pci_resource_len(pdev, 0));
10089 if (!bp->regview) {
10090 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10091 rc = -ENOMEM;
10092 goto err_out_release;
10093 }
10094
10095 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10096 min_t(u64, BNX2X_DB_SIZE,
10097 pci_resource_len(pdev, 2)));
10098 if (!bp->doorbells) {
10099 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10100 rc = -ENOMEM;
10101 goto err_out_unmap;
10102 }
10103
10104 bnx2x_set_power_state(bp, PCI_D0);
10105
10106 /* clean indirect addresses */
10107 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10108 PCICFG_VENDOR_ID_OFFSET);
10109 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10110 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10111 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10112 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
10113
10114 dev->hard_start_xmit = bnx2x_start_xmit;
10115 dev->watchdog_timeo = TX_TIMEOUT;
10116
10117 dev->ethtool_ops = &bnx2x_ethtool_ops;
10118 dev->open = bnx2x_open;
10119 dev->stop = bnx2x_close;
10120 dev->set_multicast_list = bnx2x_set_rx_mode;
10121 dev->set_mac_address = bnx2x_change_mac_addr;
10122 dev->do_ioctl = bnx2x_ioctl;
10123 dev->change_mtu = bnx2x_change_mtu;
10124 dev->tx_timeout = bnx2x_tx_timeout;
10125 #ifdef BCM_VLAN
10126 dev->vlan_rx_register = bnx2x_vlan_rx_register;
10127 #endif
10128 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10129 dev->poll_controller = poll_bnx2x;
10130 #endif
10131 dev->features |= NETIF_F_SG;
10132 dev->features |= NETIF_F_HW_CSUM;
10133 if (bp->flags & USING_DAC_FLAG)
10134 dev->features |= NETIF_F_HIGHDMA;
10135 #ifdef BCM_VLAN
10136 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10137 #endif
10138 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
10139 dev->features |= NETIF_F_TSO6;
10140
10141 return 0;
10142
10143 err_out_unmap:
10144 if (bp->regview) {
10145 iounmap(bp->regview);
10146 bp->regview = NULL;
10147 }
10148 if (bp->doorbells) {
10149 iounmap(bp->doorbells);
10150 bp->doorbells = NULL;
10151 }
10152
10153 err_out_release:
10154 if (atomic_read(&pdev->enable_cnt) == 1)
10155 pci_release_regions(pdev);
10156
10157 err_out_disable:
10158 pci_disable_device(pdev);
10159 pci_set_drvdata(pdev, NULL);
10160
10161 err_out:
10162 return rc;
10163 }
10164
10165 static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10166 {
10167 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10168
10169 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10170 return val;
10171 }
10172
10173 /* return value of 1=2.5GHz 2=5GHz */
10174 static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10175 {
10176 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10177
10178 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10179 return val;
10180 }
10181
10182 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10183 const struct pci_device_id *ent)
10184 {
10185 static int version_printed;
10186 struct net_device *dev = NULL;
10187 struct bnx2x *bp;
10188 int rc;
10189 DECLARE_MAC_BUF(mac);
10190
10191 if (version_printed++ == 0)
10192 printk(KERN_INFO "%s", version);
10193
10194 /* dev zeroed in init_etherdev */
10195 dev = alloc_etherdev(sizeof(*bp));
10196 if (!dev) {
10197 printk(KERN_ERR PFX "Cannot allocate net device\n");
10198 return -ENOMEM;
10199 }
10200
10201 netif_carrier_off(dev);
10202
10203 bp = netdev_priv(dev);
10204 bp->msglevel = debug;
10205
10206 rc = bnx2x_init_dev(pdev, dev);
10207 if (rc < 0) {
10208 free_netdev(dev);
10209 return rc;
10210 }
10211
10212 rc = register_netdev(dev);
10213 if (rc) {
10214 dev_err(&pdev->dev, "Cannot register net device\n");
10215 goto init_one_exit;
10216 }
10217
10218 pci_set_drvdata(pdev, dev);
10219
10220 rc = bnx2x_init_bp(bp);
10221 if (rc) {
10222 unregister_netdev(dev);
10223 goto init_one_exit;
10224 }
10225
10226 bp->common.name = board_info[ent->driver_data].name;
10227 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10228 " IRQ %d, ", dev->name, bp->common.name,
10229 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
10230 bnx2x_get_pcie_width(bp),
10231 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10232 dev->base_addr, bp->pdev->irq);
10233 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
10234 return 0;
10235
10236 init_one_exit:
10237 if (bp->regview)
10238 iounmap(bp->regview);
10239
10240 if (bp->doorbells)
10241 iounmap(bp->doorbells);
10242
10243 free_netdev(dev);
10244
10245 if (atomic_read(&pdev->enable_cnt) == 1)
10246 pci_release_regions(pdev);
10247
10248 pci_disable_device(pdev);
10249 pci_set_drvdata(pdev, NULL);
10250
10251 return rc;
10252 }
10253
10254 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10255 {
10256 struct net_device *dev = pci_get_drvdata(pdev);
10257 struct bnx2x *bp;
10258
10259 if (!dev) {
10260 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10261 return;
10262 }
10263 bp = netdev_priv(dev);
10264
10265 unregister_netdev(dev);
10266
10267 if (bp->regview)
10268 iounmap(bp->regview);
10269
10270 if (bp->doorbells)
10271 iounmap(bp->doorbells);
10272
10273 free_netdev(dev);
10274
10275 if (atomic_read(&pdev->enable_cnt) == 1)
10276 pci_release_regions(pdev);
10277
10278 pci_disable_device(pdev);
10279 pci_set_drvdata(pdev, NULL);
10280 }
10281
10282 static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10283 {
10284 struct net_device *dev = pci_get_drvdata(pdev);
10285 struct bnx2x *bp;
10286
10287 if (!dev) {
10288 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10289 return -ENODEV;
10290 }
10291 bp = netdev_priv(dev);
10292
10293 rtnl_lock();
10294
10295 pci_save_state(pdev);
10296
10297 if (!netif_running(dev)) {
10298 rtnl_unlock();
10299 return 0;
10300 }
10301
10302 netif_device_detach(dev);
10303
10304 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10305
10306 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10307
10308 rtnl_unlock();
10309
10310 return 0;
10311 }
10312
10313 static int bnx2x_resume(struct pci_dev *pdev)
10314 {
10315 struct net_device *dev = pci_get_drvdata(pdev);
10316 struct bnx2x *bp;
10317 int rc;
10318
10319 if (!dev) {
10320 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10321 return -ENODEV;
10322 }
10323 bp = netdev_priv(dev);
10324
10325 rtnl_lock();
10326
10327 pci_restore_state(pdev);
10328
10329 if (!netif_running(dev)) {
10330 rtnl_unlock();
10331 return 0;
10332 }
10333
10334 bnx2x_set_power_state(bp, PCI_D0);
10335 netif_device_attach(dev);
10336
10337 rc = bnx2x_nic_load(bp, LOAD_OPEN);
10338
10339 rtnl_unlock();
10340
10341 return rc;
10342 }
10343
10344 /**
10345 * bnx2x_io_error_detected - called when PCI error is detected
10346 * @pdev: Pointer to PCI device
10347 * @state: The current pci connection state
10348 *
10349 * This function is called after a PCI bus error affecting
10350 * this device has been detected.
10351 */
10352 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10353 pci_channel_state_t state)
10354 {
10355 struct net_device *dev = pci_get_drvdata(pdev);
10356 struct bnx2x *bp = netdev_priv(dev);
10357
10358 rtnl_lock();
10359
10360 netif_device_detach(dev);
10361
10362 if (netif_running(dev))
10363 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10364
10365 pci_disable_device(pdev);
10366
10367 rtnl_unlock();
10368
10369 /* Request a slot reset */
10370 return PCI_ERS_RESULT_NEED_RESET;
10371 }
10372
10373 /**
10374 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10375 * @pdev: Pointer to PCI device
10376 *
10377 * Restart the card from scratch, as if from a cold-boot.
10378 */
10379 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10380 {
10381 struct net_device *dev = pci_get_drvdata(pdev);
10382 struct bnx2x *bp = netdev_priv(dev);
10383
10384 rtnl_lock();
10385
10386 if (pci_enable_device(pdev)) {
10387 dev_err(&pdev->dev,
10388 "Cannot re-enable PCI device after reset\n");
10389 rtnl_unlock();
10390 return PCI_ERS_RESULT_DISCONNECT;
10391 }
10392
10393 pci_set_master(pdev);
10394 pci_restore_state(pdev);
10395
10396 if (netif_running(dev))
10397 bnx2x_set_power_state(bp, PCI_D0);
10398
10399 rtnl_unlock();
10400
10401 return PCI_ERS_RESULT_RECOVERED;
10402 }
10403
10404 /**
10405 * bnx2x_io_resume - called when traffic can start flowing again
10406 * @pdev: Pointer to PCI device
10407 *
10408 * This callback is called when the error recovery driver tells us that
10409 * its OK to resume normal operation.
10410 */
10411 static void bnx2x_io_resume(struct pci_dev *pdev)
10412 {
10413 struct net_device *dev = pci_get_drvdata(pdev);
10414 struct bnx2x *bp = netdev_priv(dev);
10415
10416 rtnl_lock();
10417
10418 if (netif_running(dev))
10419 bnx2x_nic_load(bp, LOAD_OPEN);
10420
10421 netif_device_attach(dev);
10422
10423 rtnl_unlock();
10424 }
10425
10426 static struct pci_error_handlers bnx2x_err_handler = {
10427 .error_detected = bnx2x_io_error_detected,
10428 .slot_reset = bnx2x_io_slot_reset,
10429 .resume = bnx2x_io_resume,
10430 };
10431
10432 static struct pci_driver bnx2x_pci_driver = {
10433 .name = DRV_MODULE_NAME,
10434 .id_table = bnx2x_pci_tbl,
10435 .probe = bnx2x_init_one,
10436 .remove = __devexit_p(bnx2x_remove_one),
10437 .suspend = bnx2x_suspend,
10438 .resume = bnx2x_resume,
10439 .err_handler = &bnx2x_err_handler,
10440 };
10441
10442 static int __init bnx2x_init(void)
10443 {
10444 return pci_register_driver(&bnx2x_pci_driver);
10445 }
10446
10447 static void __exit bnx2x_cleanup(void)
10448 {
10449 pci_unregister_driver(&bnx2x_pci_driver);
10450 }
10451
10452 module_init(bnx2x_init);
10453 module_exit(bnx2x_cleanup);
10454
Linux kernel - Deliverables
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