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Merge commit 'jwb/jwb-merge' into merge
[deliverable/linux.git] / drivers / net / bnx2x_main.c
1 /* bnx2x_main.c: Broadcom Everest network driver.
2 *
3 * Copyright (c) 2007-2009 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 #include <linux/if_vlan.h>
42 #include <net/ip.h>
43 #include <net/tcp.h>
44 #include <net/checksum.h>
45 #include <net/ip6_checksum.h>
46 #include <linux/workqueue.h>
47 #include <linux/crc32.h>
48 #include <linux/crc32c.h>
49 #include <linux/prefetch.h>
50 #include <linux/zlib.h>
51 #include <linux/io.h>
52
53 #include "bnx2x_reg.h"
54 #include "bnx2x_fw_defs.h"
55 #include "bnx2x_hsi.h"
56 #include "bnx2x_link.h"
57 #include "bnx2x.h"
58 #include "bnx2x_init.h"
59
60 #define DRV_MODULE_VERSION "1.45.26"
61 #define DRV_MODULE_RELDATE "2009/01/26"
62 #define BNX2X_BC_VER 0x040200
63
64 /* Time in jiffies before concluding the transmitter is hung */
65 #define TX_TIMEOUT (5*HZ)
66
67 static char version[] __devinitdata =
68 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
69 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
70
71 MODULE_AUTHOR("Eliezer Tamir");
72 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710/57711/57711E Driver");
73 MODULE_LICENSE("GPL");
74 MODULE_VERSION(DRV_MODULE_VERSION);
75
76 static int disable_tpa;
77 static int use_inta;
78 static int poll;
79 static int debug;
80 static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
81 static int use_multi;
82
83 module_param(disable_tpa, int, 0);
84 module_param(use_inta, int, 0);
85 module_param(poll, int, 0);
86 module_param(debug, int, 0);
87 MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
88 MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
89 MODULE_PARM_DESC(poll, "use polling (for debug)");
90 MODULE_PARM_DESC(debug, "default debug msglevel");
91
92 #ifdef BNX2X_MULTI
93 module_param(use_multi, int, 0);
94 MODULE_PARM_DESC(use_multi, "use per-CPU queues");
95 #endif
96 static struct workqueue_struct *bnx2x_wq;
97
98 enum bnx2x_board_type {
99 BCM57710 = 0,
100 BCM57711 = 1,
101 BCM57711E = 2,
102 };
103
104 /* indexed by board_type, above */
105 static struct {
106 char *name;
107 } board_info[] __devinitdata = {
108 { "Broadcom NetXtreme II BCM57710 XGb" },
109 { "Broadcom NetXtreme II BCM57711 XGb" },
110 { "Broadcom NetXtreme II BCM57711E XGb" }
111 };
112
113
114 static const struct pci_device_id bnx2x_pci_tbl[] = {
115 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
116 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
117 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
119 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
121 { 0 }
122 };
123
124 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
125
126 /****************************************************************************
127 * General service functions
128 ****************************************************************************/
129
130 /* used only at init
131 * locking is done by mcp
132 */
133 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
134 {
135 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
136 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
138 PCICFG_VENDOR_ID_OFFSET);
139 }
140
141 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
142 {
143 u32 val;
144
145 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
146 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
147 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
148 PCICFG_VENDOR_ID_OFFSET);
149
150 return val;
151 }
152
153 static const u32 dmae_reg_go_c[] = {
154 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
155 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
156 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
157 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
158 };
159
160 /* copy command into DMAE command memory and set DMAE command go */
161 static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
162 int idx)
163 {
164 u32 cmd_offset;
165 int i;
166
167 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
168 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
169 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
170
171 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
172 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
173 }
174 REG_WR(bp, dmae_reg_go_c[idx], 1);
175 }
176
177 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
178 u32 len32)
179 {
180 struct dmae_command *dmae = &bp->init_dmae;
181 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
182 int cnt = 200;
183
184 if (!bp->dmae_ready) {
185 u32 *data = bnx2x_sp(bp, wb_data[0]);
186
187 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
188 " using indirect\n", dst_addr, len32);
189 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
190 return;
191 }
192
193 mutex_lock(&bp->dmae_mutex);
194
195 memset(dmae, 0, sizeof(struct dmae_command));
196
197 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
198 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
199 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
200 #ifdef __BIG_ENDIAN
201 DMAE_CMD_ENDIANITY_B_DW_SWAP |
202 #else
203 DMAE_CMD_ENDIANITY_DW_SWAP |
204 #endif
205 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
206 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
207 dmae->src_addr_lo = U64_LO(dma_addr);
208 dmae->src_addr_hi = U64_HI(dma_addr);
209 dmae->dst_addr_lo = dst_addr >> 2;
210 dmae->dst_addr_hi = 0;
211 dmae->len = len32;
212 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
213 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
214 dmae->comp_val = DMAE_COMP_VAL;
215
216 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
217 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
218 "dst_addr [%x:%08x (%08x)]\n"
219 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
220 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
221 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
222 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
223 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
224 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
225 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
226
227 *wb_comp = 0;
228
229 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
230
231 udelay(5);
232
233 while (*wb_comp != DMAE_COMP_VAL) {
234 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
235
236 if (!cnt) {
237 BNX2X_ERR("dmae timeout!\n");
238 break;
239 }
240 cnt--;
241 /* adjust delay for emulation/FPGA */
242 if (CHIP_REV_IS_SLOW(bp))
243 msleep(100);
244 else
245 udelay(5);
246 }
247
248 mutex_unlock(&bp->dmae_mutex);
249 }
250
251 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
252 {
253 struct dmae_command *dmae = &bp->init_dmae;
254 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
255 int cnt = 200;
256
257 if (!bp->dmae_ready) {
258 u32 *data = bnx2x_sp(bp, wb_data[0]);
259 int i;
260
261 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
262 " using indirect\n", src_addr, len32);
263 for (i = 0; i < len32; i++)
264 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
265 return;
266 }
267
268 mutex_lock(&bp->dmae_mutex);
269
270 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
271 memset(dmae, 0, sizeof(struct dmae_command));
272
273 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
274 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
275 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
276 #ifdef __BIG_ENDIAN
277 DMAE_CMD_ENDIANITY_B_DW_SWAP |
278 #else
279 DMAE_CMD_ENDIANITY_DW_SWAP |
280 #endif
281 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
282 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
283 dmae->src_addr_lo = src_addr >> 2;
284 dmae->src_addr_hi = 0;
285 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
286 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
287 dmae->len = len32;
288 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
289 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
290 dmae->comp_val = DMAE_COMP_VAL;
291
292 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
293 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
294 "dst_addr [%x:%08x (%08x)]\n"
295 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
296 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
297 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
298 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
299
300 *wb_comp = 0;
301
302 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
303
304 udelay(5);
305
306 while (*wb_comp != DMAE_COMP_VAL) {
307
308 if (!cnt) {
309 BNX2X_ERR("dmae timeout!\n");
310 break;
311 }
312 cnt--;
313 /* adjust delay for emulation/FPGA */
314 if (CHIP_REV_IS_SLOW(bp))
315 msleep(100);
316 else
317 udelay(5);
318 }
319 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
320 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
321 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
322
323 mutex_unlock(&bp->dmae_mutex);
324 }
325
326 /* used only for slowpath so not inlined */
327 static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
328 {
329 u32 wb_write[2];
330
331 wb_write[0] = val_hi;
332 wb_write[1] = val_lo;
333 REG_WR_DMAE(bp, reg, wb_write, 2);
334 }
335
336 #ifdef USE_WB_RD
337 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
338 {
339 u32 wb_data[2];
340
341 REG_RD_DMAE(bp, reg, wb_data, 2);
342
343 return HILO_U64(wb_data[0], wb_data[1]);
344 }
345 #endif
346
347 static int bnx2x_mc_assert(struct bnx2x *bp)
348 {
349 char last_idx;
350 int i, rc = 0;
351 u32 row0, row1, row2, row3;
352
353 /* XSTORM */
354 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
355 XSTORM_ASSERT_LIST_INDEX_OFFSET);
356 if (last_idx)
357 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
358
359 /* print the asserts */
360 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
361
362 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
363 XSTORM_ASSERT_LIST_OFFSET(i));
364 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
365 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
366 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
367 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
368 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
369 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
370
371 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
372 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
373 " 0x%08x 0x%08x 0x%08x\n",
374 i, row3, row2, row1, row0);
375 rc++;
376 } else {
377 break;
378 }
379 }
380
381 /* TSTORM */
382 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
383 TSTORM_ASSERT_LIST_INDEX_OFFSET);
384 if (last_idx)
385 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
386
387 /* print the asserts */
388 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
389
390 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
391 TSTORM_ASSERT_LIST_OFFSET(i));
392 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
393 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
394 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
395 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
396 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
397 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
398
399 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
400 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
401 " 0x%08x 0x%08x 0x%08x\n",
402 i, row3, row2, row1, row0);
403 rc++;
404 } else {
405 break;
406 }
407 }
408
409 /* CSTORM */
410 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
411 CSTORM_ASSERT_LIST_INDEX_OFFSET);
412 if (last_idx)
413 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
414
415 /* print the asserts */
416 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
417
418 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
419 CSTORM_ASSERT_LIST_OFFSET(i));
420 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
421 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
422 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
423 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
424 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
425 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
426
427 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
428 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
429 " 0x%08x 0x%08x 0x%08x\n",
430 i, row3, row2, row1, row0);
431 rc++;
432 } else {
433 break;
434 }
435 }
436
437 /* USTORM */
438 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
439 USTORM_ASSERT_LIST_INDEX_OFFSET);
440 if (last_idx)
441 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
442
443 /* print the asserts */
444 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
445
446 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
447 USTORM_ASSERT_LIST_OFFSET(i));
448 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
449 USTORM_ASSERT_LIST_OFFSET(i) + 4);
450 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
451 USTORM_ASSERT_LIST_OFFSET(i) + 8);
452 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
453 USTORM_ASSERT_LIST_OFFSET(i) + 12);
454
455 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
456 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
457 " 0x%08x 0x%08x 0x%08x\n",
458 i, row3, row2, row1, row0);
459 rc++;
460 } else {
461 break;
462 }
463 }
464
465 return rc;
466 }
467
468 static void bnx2x_fw_dump(struct bnx2x *bp)
469 {
470 u32 mark, offset;
471 u32 data[9];
472 int word;
473
474 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
475 mark = ((mark + 0x3) & ~0x3);
476 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
477
478 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
479 for (word = 0; word < 8; word++)
480 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
481 offset + 4*word));
482 data[8] = 0x0;
483 printk(KERN_CONT "%s", (char *)data);
484 }
485 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
486 for (word = 0; word < 8; word++)
487 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
488 offset + 4*word));
489 data[8] = 0x0;
490 printk(KERN_CONT "%s", (char *)data);
491 }
492 printk("\n" KERN_ERR PFX "end of fw dump\n");
493 }
494
495 static void bnx2x_panic_dump(struct bnx2x *bp)
496 {
497 int i;
498 u16 j, start, end;
499
500 bp->stats_state = STATS_STATE_DISABLED;
501 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
502
503 BNX2X_ERR("begin crash dump -----------------\n");
504
505 for_each_queue(bp, i) {
506 struct bnx2x_fastpath *fp = &bp->fp[i];
507 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
508
509 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
510 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
511 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
512 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
513 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
514 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
515 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
516 fp->rx_bd_prod, fp->rx_bd_cons,
517 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
518 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
519 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
520 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
521 " *sb_u_idx(%x) bd data(%x,%x)\n",
522 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
523 fp->status_blk->c_status_block.status_block_index,
524 fp->fp_u_idx,
525 fp->status_blk->u_status_block.status_block_index,
526 hw_prods->packets_prod, hw_prods->bds_prod);
527
528 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
529 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
530 for (j = start; j < end; j++) {
531 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
532
533 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
534 sw_bd->skb, sw_bd->first_bd);
535 }
536
537 start = TX_BD(fp->tx_bd_cons - 10);
538 end = TX_BD(fp->tx_bd_cons + 254);
539 for (j = start; j < end; j++) {
540 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
541
542 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
543 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
544 }
545
546 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
547 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
548 for (j = start; j < end; j++) {
549 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
550 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
551
552 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
553 j, rx_bd[1], rx_bd[0], sw_bd->skb);
554 }
555
556 start = RX_SGE(fp->rx_sge_prod);
557 end = RX_SGE(fp->last_max_sge);
558 for (j = start; j < end; j++) {
559 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
560 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
561
562 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
563 j, rx_sge[1], rx_sge[0], sw_page->page);
564 }
565
566 start = RCQ_BD(fp->rx_comp_cons - 10);
567 end = RCQ_BD(fp->rx_comp_cons + 503);
568 for (j = start; j < end; j++) {
569 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
570
571 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
572 j, cqe[0], cqe[1], cqe[2], cqe[3]);
573 }
574 }
575
576 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
577 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
578 " spq_prod_idx(%u)\n",
579 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
580 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
581
582 bnx2x_fw_dump(bp);
583 bnx2x_mc_assert(bp);
584 BNX2X_ERR("end crash dump -----------------\n");
585 }
586
587 static void bnx2x_int_enable(struct bnx2x *bp)
588 {
589 int port = BP_PORT(bp);
590 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
591 u32 val = REG_RD(bp, addr);
592 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
593
594 if (msix) {
595 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
596 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
597 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
598 } else {
599 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
600 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
601 HC_CONFIG_0_REG_INT_LINE_EN_0 |
602 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
603
604 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
605 val, port, addr, msix);
606
607 REG_WR(bp, addr, val);
608
609 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
610 }
611
612 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
613 val, port, addr, msix);
614
615 REG_WR(bp, addr, val);
616
617 if (CHIP_IS_E1H(bp)) {
618 /* init leading/trailing edge */
619 if (IS_E1HMF(bp)) {
620 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
621 if (bp->port.pmf)
622 /* enable nig attention */
623 val |= 0x0100;
624 } else
625 val = 0xffff;
626
627 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
628 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
629 }
630 }
631
632 static void bnx2x_int_disable(struct bnx2x *bp)
633 {
634 int port = BP_PORT(bp);
635 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
636 u32 val = REG_RD(bp, addr);
637
638 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
639 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
640 HC_CONFIG_0_REG_INT_LINE_EN_0 |
641 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
642
643 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
644 val, port, addr);
645
646 REG_WR(bp, addr, val);
647 if (REG_RD(bp, addr) != val)
648 BNX2X_ERR("BUG! proper val not read from IGU!\n");
649 }
650
651 static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
652 {
653 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
654 int i;
655
656 /* disable interrupt handling */
657 atomic_inc(&bp->intr_sem);
658 if (disable_hw)
659 /* prevent the HW from sending interrupts */
660 bnx2x_int_disable(bp);
661
662 /* make sure all ISRs are done */
663 if (msix) {
664 for_each_queue(bp, i)
665 synchronize_irq(bp->msix_table[i].vector);
666
667 /* one more for the Slow Path IRQ */
668 synchronize_irq(bp->msix_table[i].vector);
669 } else
670 synchronize_irq(bp->pdev->irq);
671
672 /* make sure sp_task is not running */
673 cancel_delayed_work(&bp->sp_task);
674 flush_workqueue(bnx2x_wq);
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 static inline int bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
737 {
738 u16 tx_cons_sb;
739
740 /* Tell compiler that status block fields can change */
741 barrier();
742 tx_cons_sb = le16_to_cpu(*fp->tx_cons_sb);
743 return (fp->tx_pkt_cons != tx_cons_sb);
744 }
745
746 static inline int bnx2x_has_tx_work_unload(struct bnx2x_fastpath *fp)
747 {
748 /* Tell compiler that consumer and producer can change */
749 barrier();
750 return (fp->tx_pkt_prod != fp->tx_pkt_cons);
751
752 }
753
754 /* free skb in the packet ring at pos idx
755 * return idx of last bd freed
756 */
757 static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
758 u16 idx)
759 {
760 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
761 struct eth_tx_bd *tx_bd;
762 struct sk_buff *skb = tx_buf->skb;
763 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
764 int nbd;
765
766 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
767 idx, tx_buf, skb);
768
769 /* unmap first bd */
770 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
771 tx_bd = &fp->tx_desc_ring[bd_idx];
772 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
773 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
774
775 nbd = le16_to_cpu(tx_bd->nbd) - 1;
776 new_cons = nbd + tx_buf->first_bd;
777 #ifdef BNX2X_STOP_ON_ERROR
778 if (nbd > (MAX_SKB_FRAGS + 2)) {
779 BNX2X_ERR("BAD nbd!\n");
780 bnx2x_panic();
781 }
782 #endif
783
784 /* Skip a parse bd and the TSO split header bd
785 since they have no mapping */
786 if (nbd)
787 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
788
789 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
790 ETH_TX_BD_FLAGS_TCP_CSUM |
791 ETH_TX_BD_FLAGS_SW_LSO)) {
792 if (--nbd)
793 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
794 tx_bd = &fp->tx_desc_ring[bd_idx];
795 /* is this a TSO split header bd? */
796 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
797 if (--nbd)
798 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
799 }
800 }
801
802 /* now free frags */
803 while (nbd > 0) {
804
805 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
806 tx_bd = &fp->tx_desc_ring[bd_idx];
807 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
808 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
809 if (--nbd)
810 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
811 }
812
813 /* release skb */
814 WARN_ON(!skb);
815 dev_kfree_skb(skb);
816 tx_buf->first_bd = 0;
817 tx_buf->skb = NULL;
818
819 return new_cons;
820 }
821
822 static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
823 {
824 s16 used;
825 u16 prod;
826 u16 cons;
827
828 barrier(); /* Tell compiler that prod and cons can change */
829 prod = fp->tx_bd_prod;
830 cons = fp->tx_bd_cons;
831
832 /* NUM_TX_RINGS = number of "next-page" entries
833 It will be used as a threshold */
834 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
835
836 #ifdef BNX2X_STOP_ON_ERROR
837 WARN_ON(used < 0);
838 WARN_ON(used > fp->bp->tx_ring_size);
839 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
840 #endif
841
842 return (s16)(fp->bp->tx_ring_size) - used;
843 }
844
845 static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
846 {
847 struct bnx2x *bp = fp->bp;
848 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
849 int done = 0;
850
851 #ifdef BNX2X_STOP_ON_ERROR
852 if (unlikely(bp->panic))
853 return;
854 #endif
855
856 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
857 sw_cons = fp->tx_pkt_cons;
858
859 while (sw_cons != hw_cons) {
860 u16 pkt_cons;
861
862 pkt_cons = TX_BD(sw_cons);
863
864 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
865
866 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
867 hw_cons, sw_cons, pkt_cons);
868
869 /* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
870 rmb();
871 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
872 }
873 */
874 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
875 sw_cons++;
876 done++;
877
878 if (done == work)
879 break;
880 }
881
882 fp->tx_pkt_cons = sw_cons;
883 fp->tx_bd_cons = bd_cons;
884
885 /* Need to make the tx_cons update visible to start_xmit()
886 * before checking for netif_queue_stopped(). Without the
887 * memory barrier, there is a small possibility that start_xmit()
888 * will miss it and cause the queue to be stopped forever.
889 */
890 smp_mb();
891
892 /* TBD need a thresh? */
893 if (unlikely(netif_queue_stopped(bp->dev))) {
894
895 netif_tx_lock(bp->dev);
896
897 if (netif_queue_stopped(bp->dev) &&
898 (bp->state == BNX2X_STATE_OPEN) &&
899 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
900 netif_wake_queue(bp->dev);
901
902 netif_tx_unlock(bp->dev);
903 }
904 }
905
906
907 static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
908 union eth_rx_cqe *rr_cqe)
909 {
910 struct bnx2x *bp = fp->bp;
911 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
912 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
913
914 DP(BNX2X_MSG_SP,
915 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
916 FP_IDX(fp), cid, command, bp->state,
917 rr_cqe->ramrod_cqe.ramrod_type);
918
919 bp->spq_left++;
920
921 if (FP_IDX(fp)) {
922 switch (command | fp->state) {
923 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
924 BNX2X_FP_STATE_OPENING):
925 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
926 cid);
927 fp->state = BNX2X_FP_STATE_OPEN;
928 break;
929
930 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
931 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
932 cid);
933 fp->state = BNX2X_FP_STATE_HALTED;
934 break;
935
936 default:
937 BNX2X_ERR("unexpected MC reply (%d) "
938 "fp->state is %x\n", command, fp->state);
939 break;
940 }
941 mb(); /* force bnx2x_wait_ramrod() to see the change */
942 return;
943 }
944
945 switch (command | bp->state) {
946 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
947 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
948 bp->state = BNX2X_STATE_OPEN;
949 break;
950
951 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
952 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
953 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
954 fp->state = BNX2X_FP_STATE_HALTED;
955 break;
956
957 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
958 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
959 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
960 break;
961
962
963 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
964 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
965 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
966 bp->set_mac_pending = 0;
967 break;
968
969 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
970 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
971 break;
972
973 default:
974 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
975 command, bp->state);
976 break;
977 }
978 mb(); /* force bnx2x_wait_ramrod() to see the change */
979 }
980
981 static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
982 struct bnx2x_fastpath *fp, u16 index)
983 {
984 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
985 struct page *page = sw_buf->page;
986 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
987
988 /* Skip "next page" elements */
989 if (!page)
990 return;
991
992 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
993 SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
994 __free_pages(page, PAGES_PER_SGE_SHIFT);
995
996 sw_buf->page = NULL;
997 sge->addr_hi = 0;
998 sge->addr_lo = 0;
999 }
1000
1001 static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
1002 struct bnx2x_fastpath *fp, int last)
1003 {
1004 int i;
1005
1006 for (i = 0; i < last; i++)
1007 bnx2x_free_rx_sge(bp, fp, i);
1008 }
1009
1010 static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
1011 struct bnx2x_fastpath *fp, u16 index)
1012 {
1013 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
1014 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
1015 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
1016 dma_addr_t mapping;
1017
1018 if (unlikely(page == NULL))
1019 return -ENOMEM;
1020
1021 mapping = pci_map_page(bp->pdev, page, 0, SGE_PAGE_SIZE*PAGES_PER_SGE,
1022 PCI_DMA_FROMDEVICE);
1023 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1024 __free_pages(page, PAGES_PER_SGE_SHIFT);
1025 return -ENOMEM;
1026 }
1027
1028 sw_buf->page = page;
1029 pci_unmap_addr_set(sw_buf, mapping, mapping);
1030
1031 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1032 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1033
1034 return 0;
1035 }
1036
1037 static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1038 struct bnx2x_fastpath *fp, u16 index)
1039 {
1040 struct sk_buff *skb;
1041 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1042 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1043 dma_addr_t mapping;
1044
1045 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1046 if (unlikely(skb == NULL))
1047 return -ENOMEM;
1048
1049 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
1050 PCI_DMA_FROMDEVICE);
1051 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1052 dev_kfree_skb(skb);
1053 return -ENOMEM;
1054 }
1055
1056 rx_buf->skb = skb;
1057 pci_unmap_addr_set(rx_buf, mapping, mapping);
1058
1059 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1060 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1061
1062 return 0;
1063 }
1064
1065 /* note that we are not allocating a new skb,
1066 * we are just moving one from cons to prod
1067 * we are not creating a new mapping,
1068 * so there is no need to check for dma_mapping_error().
1069 */
1070 static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1071 struct sk_buff *skb, u16 cons, u16 prod)
1072 {
1073 struct bnx2x *bp = fp->bp;
1074 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1075 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1076 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1077 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1078
1079 pci_dma_sync_single_for_device(bp->pdev,
1080 pci_unmap_addr(cons_rx_buf, mapping),
1081 bp->rx_offset + RX_COPY_THRESH,
1082 PCI_DMA_FROMDEVICE);
1083
1084 prod_rx_buf->skb = cons_rx_buf->skb;
1085 pci_unmap_addr_set(prod_rx_buf, mapping,
1086 pci_unmap_addr(cons_rx_buf, mapping));
1087 *prod_bd = *cons_bd;
1088 }
1089
1090 static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1091 u16 idx)
1092 {
1093 u16 last_max = fp->last_max_sge;
1094
1095 if (SUB_S16(idx, last_max) > 0)
1096 fp->last_max_sge = idx;
1097 }
1098
1099 static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1100 {
1101 int i, j;
1102
1103 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1104 int idx = RX_SGE_CNT * i - 1;
1105
1106 for (j = 0; j < 2; j++) {
1107 SGE_MASK_CLEAR_BIT(fp, idx);
1108 idx--;
1109 }
1110 }
1111 }
1112
1113 static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1114 struct eth_fast_path_rx_cqe *fp_cqe)
1115 {
1116 struct bnx2x *bp = fp->bp;
1117 u16 sge_len = SGE_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1118 le16_to_cpu(fp_cqe->len_on_bd)) >>
1119 SGE_PAGE_SHIFT;
1120 u16 last_max, last_elem, first_elem;
1121 u16 delta = 0;
1122 u16 i;
1123
1124 if (!sge_len)
1125 return;
1126
1127 /* First mark all used pages */
1128 for (i = 0; i < sge_len; i++)
1129 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1130
1131 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1132 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1133
1134 /* Here we assume that the last SGE index is the biggest */
1135 prefetch((void *)(fp->sge_mask));
1136 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1137
1138 last_max = RX_SGE(fp->last_max_sge);
1139 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1140 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1141
1142 /* If ring is not full */
1143 if (last_elem + 1 != first_elem)
1144 last_elem++;
1145
1146 /* Now update the prod */
1147 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1148 if (likely(fp->sge_mask[i]))
1149 break;
1150
1151 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1152 delta += RX_SGE_MASK_ELEM_SZ;
1153 }
1154
1155 if (delta > 0) {
1156 fp->rx_sge_prod += delta;
1157 /* clear page-end entries */
1158 bnx2x_clear_sge_mask_next_elems(fp);
1159 }
1160
1161 DP(NETIF_MSG_RX_STATUS,
1162 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1163 fp->last_max_sge, fp->rx_sge_prod);
1164 }
1165
1166 static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1167 {
1168 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1169 memset(fp->sge_mask, 0xff,
1170 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1171
1172 /* Clear the two last indices in the page to 1:
1173 these are the indices that correspond to the "next" element,
1174 hence will never be indicated and should be removed from
1175 the calculations. */
1176 bnx2x_clear_sge_mask_next_elems(fp);
1177 }
1178
1179 static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1180 struct sk_buff *skb, u16 cons, u16 prod)
1181 {
1182 struct bnx2x *bp = fp->bp;
1183 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1184 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1185 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1186 dma_addr_t mapping;
1187
1188 /* move empty skb from pool to prod and map it */
1189 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1190 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1191 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
1192 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1193
1194 /* move partial skb from cons to pool (don't unmap yet) */
1195 fp->tpa_pool[queue] = *cons_rx_buf;
1196
1197 /* mark bin state as start - print error if current state != stop */
1198 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1199 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1200
1201 fp->tpa_state[queue] = BNX2X_TPA_START;
1202
1203 /* point prod_bd to new skb */
1204 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1205 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1206
1207 #ifdef BNX2X_STOP_ON_ERROR
1208 fp->tpa_queue_used |= (1 << queue);
1209 #ifdef __powerpc64__
1210 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1211 #else
1212 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1213 #endif
1214 fp->tpa_queue_used);
1215 #endif
1216 }
1217
1218 static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1219 struct sk_buff *skb,
1220 struct eth_fast_path_rx_cqe *fp_cqe,
1221 u16 cqe_idx)
1222 {
1223 struct sw_rx_page *rx_pg, old_rx_pg;
1224 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1225 u32 i, frag_len, frag_size, pages;
1226 int err;
1227 int j;
1228
1229 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1230 pages = SGE_PAGE_ALIGN(frag_size) >> SGE_PAGE_SHIFT;
1231
1232 /* This is needed in order to enable forwarding support */
1233 if (frag_size)
1234 skb_shinfo(skb)->gso_size = min((u32)SGE_PAGE_SIZE,
1235 max(frag_size, (u32)len_on_bd));
1236
1237 #ifdef BNX2X_STOP_ON_ERROR
1238 if (pages >
1239 min((u32)8, (u32)MAX_SKB_FRAGS) * SGE_PAGE_SIZE * PAGES_PER_SGE) {
1240 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1241 pages, cqe_idx);
1242 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1243 fp_cqe->pkt_len, len_on_bd);
1244 bnx2x_panic();
1245 return -EINVAL;
1246 }
1247 #endif
1248
1249 /* Run through the SGL and compose the fragmented skb */
1250 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1251 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1252
1253 /* FW gives the indices of the SGE as if the ring is an array
1254 (meaning that "next" element will consume 2 indices) */
1255 frag_len = min(frag_size, (u32)(SGE_PAGE_SIZE*PAGES_PER_SGE));
1256 rx_pg = &fp->rx_page_ring[sge_idx];
1257 old_rx_pg = *rx_pg;
1258
1259 /* If we fail to allocate a substitute page, we simply stop
1260 where we are and drop the whole packet */
1261 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1262 if (unlikely(err)) {
1263 bp->eth_stats.rx_skb_alloc_failed++;
1264 return err;
1265 }
1266
1267 /* Unmap the page as we r going to pass it to the stack */
1268 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1269 SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1270
1271 /* Add one frag and update the appropriate fields in the skb */
1272 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1273
1274 skb->data_len += frag_len;
1275 skb->truesize += frag_len;
1276 skb->len += frag_len;
1277
1278 frag_size -= frag_len;
1279 }
1280
1281 return 0;
1282 }
1283
1284 static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1285 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1286 u16 cqe_idx)
1287 {
1288 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1289 struct sk_buff *skb = rx_buf->skb;
1290 /* alloc new skb */
1291 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1292
1293 /* Unmap skb in the pool anyway, as we are going to change
1294 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1295 fails. */
1296 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1297 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
1298
1299 if (likely(new_skb)) {
1300 /* fix ip xsum and give it to the stack */
1301 /* (no need to map the new skb) */
1302 #ifdef BCM_VLAN
1303 int is_vlan_cqe =
1304 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1305 PARSING_FLAGS_VLAN);
1306 int is_not_hwaccel_vlan_cqe =
1307 (is_vlan_cqe && (!(bp->flags & HW_VLAN_RX_FLAG)));
1308 #endif
1309
1310 prefetch(skb);
1311 prefetch(((char *)(skb)) + 128);
1312
1313 #ifdef BNX2X_STOP_ON_ERROR
1314 if (pad + len > bp->rx_buf_size) {
1315 BNX2X_ERR("skb_put is about to fail... "
1316 "pad %d len %d rx_buf_size %d\n",
1317 pad, len, bp->rx_buf_size);
1318 bnx2x_panic();
1319 return;
1320 }
1321 #endif
1322
1323 skb_reserve(skb, pad);
1324 skb_put(skb, len);
1325
1326 skb->protocol = eth_type_trans(skb, bp->dev);
1327 skb->ip_summed = CHECKSUM_UNNECESSARY;
1328
1329 {
1330 struct iphdr *iph;
1331
1332 iph = (struct iphdr *)skb->data;
1333 #ifdef BCM_VLAN
1334 /* If there is no Rx VLAN offloading -
1335 take VLAN tag into an account */
1336 if (unlikely(is_not_hwaccel_vlan_cqe))
1337 iph = (struct iphdr *)((u8 *)iph + VLAN_HLEN);
1338 #endif
1339 iph->check = 0;
1340 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1341 }
1342
1343 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1344 &cqe->fast_path_cqe, cqe_idx)) {
1345 #ifdef BCM_VLAN
1346 if ((bp->vlgrp != NULL) && is_vlan_cqe &&
1347 (!is_not_hwaccel_vlan_cqe))
1348 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1349 le16_to_cpu(cqe->fast_path_cqe.
1350 vlan_tag));
1351 else
1352 #endif
1353 netif_receive_skb(skb);
1354 } else {
1355 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1356 " - dropping packet!\n");
1357 dev_kfree_skb(skb);
1358 }
1359
1360
1361 /* put new skb in bin */
1362 fp->tpa_pool[queue].skb = new_skb;
1363
1364 } else {
1365 /* else drop the packet and keep the buffer in the bin */
1366 DP(NETIF_MSG_RX_STATUS,
1367 "Failed to allocate new skb - dropping packet!\n");
1368 bp->eth_stats.rx_skb_alloc_failed++;
1369 }
1370
1371 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1372 }
1373
1374 static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1375 struct bnx2x_fastpath *fp,
1376 u16 bd_prod, u16 rx_comp_prod,
1377 u16 rx_sge_prod)
1378 {
1379 struct tstorm_eth_rx_producers rx_prods = {0};
1380 int i;
1381
1382 /* Update producers */
1383 rx_prods.bd_prod = bd_prod;
1384 rx_prods.cqe_prod = rx_comp_prod;
1385 rx_prods.sge_prod = rx_sge_prod;
1386
1387 /*
1388 * Make sure that the BD and SGE data is updated before updating the
1389 * producers since FW might read the BD/SGE right after the producer
1390 * is updated.
1391 * This is only applicable for weak-ordered memory model archs such
1392 * as IA-64. The following barrier is also mandatory since FW will
1393 * assumes BDs must have buffers.
1394 */
1395 wmb();
1396
1397 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1398 REG_WR(bp, BAR_TSTRORM_INTMEM +
1399 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1400 ((u32 *)&rx_prods)[i]);
1401
1402 mmiowb(); /* keep prod updates ordered */
1403
1404 DP(NETIF_MSG_RX_STATUS,
1405 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1406 bd_prod, rx_comp_prod, rx_sge_prod);
1407 }
1408
1409 static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1410 {
1411 struct bnx2x *bp = fp->bp;
1412 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
1413 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1414 int rx_pkt = 0;
1415
1416 #ifdef BNX2X_STOP_ON_ERROR
1417 if (unlikely(bp->panic))
1418 return 0;
1419 #endif
1420
1421 /* CQ "next element" is of the size of the regular element,
1422 that's why it's ok here */
1423 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1424 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1425 hw_comp_cons++;
1426
1427 bd_cons = fp->rx_bd_cons;
1428 bd_prod = fp->rx_bd_prod;
1429 bd_prod_fw = bd_prod;
1430 sw_comp_cons = fp->rx_comp_cons;
1431 sw_comp_prod = fp->rx_comp_prod;
1432
1433 /* Memory barrier necessary as speculative reads of the rx
1434 * buffer can be ahead of the index in the status block
1435 */
1436 rmb();
1437
1438 DP(NETIF_MSG_RX_STATUS,
1439 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
1440 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
1441
1442 while (sw_comp_cons != hw_comp_cons) {
1443 struct sw_rx_bd *rx_buf = NULL;
1444 struct sk_buff *skb;
1445 union eth_rx_cqe *cqe;
1446 u8 cqe_fp_flags;
1447 u16 len, pad;
1448
1449 comp_ring_cons = RCQ_BD(sw_comp_cons);
1450 bd_prod = RX_BD(bd_prod);
1451 bd_cons = RX_BD(bd_cons);
1452
1453 cqe = &fp->rx_comp_ring[comp_ring_cons];
1454 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1455
1456 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
1457 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1458 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
1459 le32_to_cpu(cqe->fast_path_cqe.rss_hash_result),
1460 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1461 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
1462
1463 /* is this a slowpath msg? */
1464 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
1465 bnx2x_sp_event(fp, cqe);
1466 goto next_cqe;
1467
1468 /* this is an rx packet */
1469 } else {
1470 rx_buf = &fp->rx_buf_ring[bd_cons];
1471 skb = rx_buf->skb;
1472 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1473 pad = cqe->fast_path_cqe.placement_offset;
1474
1475 /* If CQE is marked both TPA_START and TPA_END
1476 it is a non-TPA CQE */
1477 if ((!fp->disable_tpa) &&
1478 (TPA_TYPE(cqe_fp_flags) !=
1479 (TPA_TYPE_START | TPA_TYPE_END))) {
1480 u16 queue = cqe->fast_path_cqe.queue_index;
1481
1482 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1483 DP(NETIF_MSG_RX_STATUS,
1484 "calling tpa_start on queue %d\n",
1485 queue);
1486
1487 bnx2x_tpa_start(fp, queue, skb,
1488 bd_cons, bd_prod);
1489 goto next_rx;
1490 }
1491
1492 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1493 DP(NETIF_MSG_RX_STATUS,
1494 "calling tpa_stop on queue %d\n",
1495 queue);
1496
1497 if (!BNX2X_RX_SUM_FIX(cqe))
1498 BNX2X_ERR("STOP on none TCP "
1499 "data\n");
1500
1501 /* This is a size of the linear data
1502 on this skb */
1503 len = le16_to_cpu(cqe->fast_path_cqe.
1504 len_on_bd);
1505 bnx2x_tpa_stop(bp, fp, queue, pad,
1506 len, cqe, comp_ring_cons);
1507 #ifdef BNX2X_STOP_ON_ERROR
1508 if (bp->panic)
1509 return -EINVAL;
1510 #endif
1511
1512 bnx2x_update_sge_prod(fp,
1513 &cqe->fast_path_cqe);
1514 goto next_cqe;
1515 }
1516 }
1517
1518 pci_dma_sync_single_for_device(bp->pdev,
1519 pci_unmap_addr(rx_buf, mapping),
1520 pad + RX_COPY_THRESH,
1521 PCI_DMA_FROMDEVICE);
1522 prefetch(skb);
1523 prefetch(((char *)(skb)) + 128);
1524
1525 /* is this an error packet? */
1526 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
1527 DP(NETIF_MSG_RX_ERR,
1528 "ERROR flags %x rx packet %u\n",
1529 cqe_fp_flags, sw_comp_cons);
1530 bp->eth_stats.rx_err_discard_pkt++;
1531 goto reuse_rx;
1532 }
1533
1534 /* Since we don't have a jumbo ring
1535 * copy small packets if mtu > 1500
1536 */
1537 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1538 (len <= RX_COPY_THRESH)) {
1539 struct sk_buff *new_skb;
1540
1541 new_skb = netdev_alloc_skb(bp->dev,
1542 len + pad);
1543 if (new_skb == NULL) {
1544 DP(NETIF_MSG_RX_ERR,
1545 "ERROR packet dropped "
1546 "because of alloc failure\n");
1547 bp->eth_stats.rx_skb_alloc_failed++;
1548 goto reuse_rx;
1549 }
1550
1551 /* aligned copy */
1552 skb_copy_from_linear_data_offset(skb, pad,
1553 new_skb->data + pad, len);
1554 skb_reserve(new_skb, pad);
1555 skb_put(new_skb, len);
1556
1557 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1558
1559 skb = new_skb;
1560
1561 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1562 pci_unmap_single(bp->pdev,
1563 pci_unmap_addr(rx_buf, mapping),
1564 bp->rx_buf_size,
1565 PCI_DMA_FROMDEVICE);
1566 skb_reserve(skb, pad);
1567 skb_put(skb, len);
1568
1569 } else {
1570 DP(NETIF_MSG_RX_ERR,
1571 "ERROR packet dropped because "
1572 "of alloc failure\n");
1573 bp->eth_stats.rx_skb_alloc_failed++;
1574 reuse_rx:
1575 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1576 goto next_rx;
1577 }
1578
1579 skb->protocol = eth_type_trans(skb, bp->dev);
1580
1581 skb->ip_summed = CHECKSUM_NONE;
1582 if (bp->rx_csum) {
1583 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1584 skb->ip_summed = CHECKSUM_UNNECESSARY;
1585 else
1586 bp->eth_stats.hw_csum_err++;
1587 }
1588 }
1589
1590 #ifdef BCM_VLAN
1591 if ((bp->vlgrp != NULL) && (bp->flags & HW_VLAN_RX_FLAG) &&
1592 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1593 PARSING_FLAGS_VLAN))
1594 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1595 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1596 else
1597 #endif
1598 netif_receive_skb(skb);
1599
1600
1601 next_rx:
1602 rx_buf->skb = NULL;
1603
1604 bd_cons = NEXT_RX_IDX(bd_cons);
1605 bd_prod = NEXT_RX_IDX(bd_prod);
1606 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1607 rx_pkt++;
1608 next_cqe:
1609 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1610 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
1611
1612 if (rx_pkt == budget)
1613 break;
1614 } /* while */
1615
1616 fp->rx_bd_cons = bd_cons;
1617 fp->rx_bd_prod = bd_prod_fw;
1618 fp->rx_comp_cons = sw_comp_cons;
1619 fp->rx_comp_prod = sw_comp_prod;
1620
1621 /* Update producers */
1622 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1623 fp->rx_sge_prod);
1624
1625 fp->rx_pkt += rx_pkt;
1626 fp->rx_calls++;
1627
1628 return rx_pkt;
1629 }
1630
1631 static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1632 {
1633 struct bnx2x_fastpath *fp = fp_cookie;
1634 struct bnx2x *bp = fp->bp;
1635 int index = FP_IDX(fp);
1636
1637 /* Return here if interrupt is disabled */
1638 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1639 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1640 return IRQ_HANDLED;
1641 }
1642
1643 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1644 index, FP_SB_ID(fp));
1645 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
1646
1647 #ifdef BNX2X_STOP_ON_ERROR
1648 if (unlikely(bp->panic))
1649 return IRQ_HANDLED;
1650 #endif
1651
1652 prefetch(fp->rx_cons_sb);
1653 prefetch(fp->tx_cons_sb);
1654 prefetch(&fp->status_blk->c_status_block.status_block_index);
1655 prefetch(&fp->status_blk->u_status_block.status_block_index);
1656
1657 netif_rx_schedule(&bnx2x_fp(bp, index, napi));
1658
1659 return IRQ_HANDLED;
1660 }
1661
1662 static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1663 {
1664 struct net_device *dev = dev_instance;
1665 struct bnx2x *bp = netdev_priv(dev);
1666 u16 status = bnx2x_ack_int(bp);
1667 u16 mask;
1668
1669 /* Return here if interrupt is shared and it's not for us */
1670 if (unlikely(status == 0)) {
1671 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1672 return IRQ_NONE;
1673 }
1674 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
1675
1676 /* Return here if interrupt is disabled */
1677 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1678 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1679 return IRQ_HANDLED;
1680 }
1681
1682 #ifdef BNX2X_STOP_ON_ERROR
1683 if (unlikely(bp->panic))
1684 return IRQ_HANDLED;
1685 #endif
1686
1687 mask = 0x2 << bp->fp[0].sb_id;
1688 if (status & mask) {
1689 struct bnx2x_fastpath *fp = &bp->fp[0];
1690
1691 prefetch(fp->rx_cons_sb);
1692 prefetch(fp->tx_cons_sb);
1693 prefetch(&fp->status_blk->c_status_block.status_block_index);
1694 prefetch(&fp->status_blk->u_status_block.status_block_index);
1695
1696 netif_rx_schedule(&bnx2x_fp(bp, 0, napi));
1697
1698 status &= ~mask;
1699 }
1700
1701
1702 if (unlikely(status & 0x1)) {
1703 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1704
1705 status &= ~0x1;
1706 if (!status)
1707 return IRQ_HANDLED;
1708 }
1709
1710 if (status)
1711 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1712 status);
1713
1714 return IRQ_HANDLED;
1715 }
1716
1717 /* end of fast path */
1718
1719 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
1720
1721 /* Link */
1722
1723 /*
1724 * General service functions
1725 */
1726
1727 static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1728 {
1729 u32 lock_status;
1730 u32 resource_bit = (1 << resource);
1731 int func = BP_FUNC(bp);
1732 u32 hw_lock_control_reg;
1733 int cnt;
1734
1735 /* Validating that the resource is within range */
1736 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1737 DP(NETIF_MSG_HW,
1738 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1739 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1740 return -EINVAL;
1741 }
1742
1743 if (func <= 5) {
1744 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1745 } else {
1746 hw_lock_control_reg =
1747 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1748 }
1749
1750 /* Validating that the resource is not already taken */
1751 lock_status = REG_RD(bp, hw_lock_control_reg);
1752 if (lock_status & resource_bit) {
1753 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1754 lock_status, resource_bit);
1755 return -EEXIST;
1756 }
1757
1758 /* Try for 5 second every 5ms */
1759 for (cnt = 0; cnt < 1000; cnt++) {
1760 /* Try to acquire the lock */
1761 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1762 lock_status = REG_RD(bp, hw_lock_control_reg);
1763 if (lock_status & resource_bit)
1764 return 0;
1765
1766 msleep(5);
1767 }
1768 DP(NETIF_MSG_HW, "Timeout\n");
1769 return -EAGAIN;
1770 }
1771
1772 static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1773 {
1774 u32 lock_status;
1775 u32 resource_bit = (1 << resource);
1776 int func = BP_FUNC(bp);
1777 u32 hw_lock_control_reg;
1778
1779 /* Validating that the resource is within range */
1780 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1781 DP(NETIF_MSG_HW,
1782 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1783 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1784 return -EINVAL;
1785 }
1786
1787 if (func <= 5) {
1788 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1789 } else {
1790 hw_lock_control_reg =
1791 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1792 }
1793
1794 /* Validating that the resource is currently taken */
1795 lock_status = REG_RD(bp, hw_lock_control_reg);
1796 if (!(lock_status & resource_bit)) {
1797 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1798 lock_status, resource_bit);
1799 return -EFAULT;
1800 }
1801
1802 REG_WR(bp, hw_lock_control_reg, resource_bit);
1803 return 0;
1804 }
1805
1806 /* HW Lock for shared dual port PHYs */
1807 static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
1808 {
1809 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1810
1811 mutex_lock(&bp->port.phy_mutex);
1812
1813 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1814 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1815 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1816 }
1817
1818 static void bnx2x_release_phy_lock(struct bnx2x *bp)
1819 {
1820 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1821
1822 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1823 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1824 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1825
1826 mutex_unlock(&bp->port.phy_mutex);
1827 }
1828
1829 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1830 {
1831 /* The GPIO should be swapped if swap register is set and active */
1832 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1833 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1834 int gpio_shift = gpio_num +
1835 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1836 u32 gpio_mask = (1 << gpio_shift);
1837 u32 gpio_reg;
1838
1839 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1840 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1841 return -EINVAL;
1842 }
1843
1844 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1845 /* read GPIO and mask except the float bits */
1846 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1847
1848 switch (mode) {
1849 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1850 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1851 gpio_num, gpio_shift);
1852 /* clear FLOAT and set CLR */
1853 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1854 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1855 break;
1856
1857 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1858 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1859 gpio_num, gpio_shift);
1860 /* clear FLOAT and set SET */
1861 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1862 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1863 break;
1864
1865 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1866 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1867 gpio_num, gpio_shift);
1868 /* set FLOAT */
1869 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1870 break;
1871
1872 default:
1873 break;
1874 }
1875
1876 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1877 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1878
1879 return 0;
1880 }
1881
1882 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1883 {
1884 u32 spio_mask = (1 << spio_num);
1885 u32 spio_reg;
1886
1887 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1888 (spio_num > MISC_REGISTERS_SPIO_7)) {
1889 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1890 return -EINVAL;
1891 }
1892
1893 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1894 /* read SPIO and mask except the float bits */
1895 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1896
1897 switch (mode) {
1898 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
1899 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1900 /* clear FLOAT and set CLR */
1901 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1902 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1903 break;
1904
1905 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
1906 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1907 /* clear FLOAT and set SET */
1908 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1909 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1910 break;
1911
1912 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1913 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1914 /* set FLOAT */
1915 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1916 break;
1917
1918 default:
1919 break;
1920 }
1921
1922 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1923 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1924
1925 return 0;
1926 }
1927
1928 static void bnx2x_calc_fc_adv(struct bnx2x *bp)
1929 {
1930 switch (bp->link_vars.ieee_fc &
1931 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
1932 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1933 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1934 ADVERTISED_Pause);
1935 break;
1936 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1937 bp->port.advertising |= (ADVERTISED_Asym_Pause |
1938 ADVERTISED_Pause);
1939 break;
1940 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1941 bp->port.advertising |= ADVERTISED_Asym_Pause;
1942 break;
1943 default:
1944 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1945 ADVERTISED_Pause);
1946 break;
1947 }
1948 }
1949
1950 static void bnx2x_link_report(struct bnx2x *bp)
1951 {
1952 if (bp->link_vars.link_up) {
1953 if (bp->state == BNX2X_STATE_OPEN)
1954 netif_carrier_on(bp->dev);
1955 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1956
1957 printk("%d Mbps ", bp->link_vars.line_speed);
1958
1959 if (bp->link_vars.duplex == DUPLEX_FULL)
1960 printk("full duplex");
1961 else
1962 printk("half duplex");
1963
1964 if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) {
1965 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) {
1966 printk(", receive ");
1967 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
1968 printk("& transmit ");
1969 } else {
1970 printk(", transmit ");
1971 }
1972 printk("flow control ON");
1973 }
1974 printk("\n");
1975
1976 } else { /* link_down */
1977 netif_carrier_off(bp->dev);
1978 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
1979 }
1980 }
1981
1982 static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
1983 {
1984 if (!BP_NOMCP(bp)) {
1985 u8 rc;
1986
1987 /* Initialize link parameters structure variables */
1988 /* It is recommended to turn off RX FC for jumbo frames
1989 for better performance */
1990 if (IS_E1HMF(bp))
1991 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
1992 else if (bp->dev->mtu > 5000)
1993 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
1994 else
1995 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
1996
1997 bnx2x_acquire_phy_lock(bp);
1998 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1999 bnx2x_release_phy_lock(bp);
2000
2001 bnx2x_calc_fc_adv(bp);
2002
2003 if (bp->link_vars.link_up)
2004 bnx2x_link_report(bp);
2005
2006
2007 return rc;
2008 }
2009 BNX2X_ERR("Bootcode is missing -not initializing link\n");
2010 return -EINVAL;
2011 }
2012
2013 static void bnx2x_link_set(struct bnx2x *bp)
2014 {
2015 if (!BP_NOMCP(bp)) {
2016 bnx2x_acquire_phy_lock(bp);
2017 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
2018 bnx2x_release_phy_lock(bp);
2019
2020 bnx2x_calc_fc_adv(bp);
2021 } else
2022 BNX2X_ERR("Bootcode is missing -not setting link\n");
2023 }
2024
2025 static void bnx2x__link_reset(struct bnx2x *bp)
2026 {
2027 if (!BP_NOMCP(bp)) {
2028 bnx2x_acquire_phy_lock(bp);
2029 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
2030 bnx2x_release_phy_lock(bp);
2031 } else
2032 BNX2X_ERR("Bootcode is missing -not resetting link\n");
2033 }
2034
2035 static u8 bnx2x_link_test(struct bnx2x *bp)
2036 {
2037 u8 rc;
2038
2039 bnx2x_acquire_phy_lock(bp);
2040 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
2041 bnx2x_release_phy_lock(bp);
2042
2043 return rc;
2044 }
2045
2046 /* Calculates the sum of vn_min_rates.
2047 It's needed for further normalizing of the min_rates.
2048
2049 Returns:
2050 sum of vn_min_rates
2051 or
2052 0 - if all the min_rates are 0.
2053 In the later case fairness algorithm should be deactivated.
2054 If not all min_rates are zero then those that are zeroes will
2055 be set to 1.
2056 */
2057 static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2058 {
2059 int i, port = BP_PORT(bp);
2060 u32 wsum = 0;
2061 int all_zero = 1;
2062
2063 for (i = 0; i < E1HVN_MAX; i++) {
2064 u32 vn_cfg =
2065 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2066 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2067 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2068 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2069 /* If min rate is zero - set it to 1 */
2070 if (!vn_min_rate)
2071 vn_min_rate = DEF_MIN_RATE;
2072 else
2073 all_zero = 0;
2074
2075 wsum += vn_min_rate;
2076 }
2077 }
2078
2079 /* ... only if all min rates are zeros - disable FAIRNESS */
2080 if (all_zero)
2081 return 0;
2082
2083 return wsum;
2084 }
2085
2086 static void bnx2x_init_port_minmax(struct bnx2x *bp,
2087 int en_fness,
2088 u16 port_rate,
2089 struct cmng_struct_per_port *m_cmng_port)
2090 {
2091 u32 r_param = port_rate / 8;
2092 int port = BP_PORT(bp);
2093 int i;
2094
2095 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2096
2097 /* Enable minmax only if we are in e1hmf mode */
2098 if (IS_E1HMF(bp)) {
2099 u32 fair_periodic_timeout_usec;
2100 u32 t_fair;
2101
2102 /* Enable rate shaping and fairness */
2103 m_cmng_port->flags.cmng_vn_enable = 1;
2104 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2105 m_cmng_port->flags.rate_shaping_enable = 1;
2106
2107 if (!en_fness)
2108 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2109 " fairness will be disabled\n");
2110
2111 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2112 m_cmng_port->rs_vars.rs_periodic_timeout =
2113 RS_PERIODIC_TIMEOUT_USEC / 4;
2114
2115 /* this is the threshold below which no timer arming will occur
2116 1.25 coefficient is for the threshold to be a little bigger
2117 than the real time, to compensate for timer in-accuracy */
2118 m_cmng_port->rs_vars.rs_threshold =
2119 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2120
2121 /* resolution of fairness timer */
2122 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2123 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2124 t_fair = T_FAIR_COEF / port_rate;
2125
2126 /* this is the threshold below which we won't arm
2127 the timer anymore */
2128 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2129
2130 /* we multiply by 1e3/8 to get bytes/msec.
2131 We don't want the credits to pass a credit
2132 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2133 m_cmng_port->fair_vars.upper_bound =
2134 r_param * t_fair * FAIR_MEM;
2135 /* since each tick is 4 usec */
2136 m_cmng_port->fair_vars.fairness_timeout =
2137 fair_periodic_timeout_usec / 4;
2138
2139 } else {
2140 /* Disable rate shaping and fairness */
2141 m_cmng_port->flags.cmng_vn_enable = 0;
2142 m_cmng_port->flags.fairness_enable = 0;
2143 m_cmng_port->flags.rate_shaping_enable = 0;
2144
2145 DP(NETIF_MSG_IFUP,
2146 "Single function mode minmax will be disabled\n");
2147 }
2148
2149 /* Store it to internal memory */
2150 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2151 REG_WR(bp, BAR_XSTRORM_INTMEM +
2152 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2153 ((u32 *)(m_cmng_port))[i]);
2154 }
2155
2156 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2157 u32 wsum, u16 port_rate,
2158 struct cmng_struct_per_port *m_cmng_port)
2159 {
2160 struct rate_shaping_vars_per_vn m_rs_vn;
2161 struct fairness_vars_per_vn m_fair_vn;
2162 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2163 u16 vn_min_rate, vn_max_rate;
2164 int i;
2165
2166 /* If function is hidden - set min and max to zeroes */
2167 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2168 vn_min_rate = 0;
2169 vn_max_rate = 0;
2170
2171 } else {
2172 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2173 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2174 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2175 if current min rate is zero - set it to 1.
2176 This is a requirement of the algorithm. */
2177 if ((vn_min_rate == 0) && wsum)
2178 vn_min_rate = DEF_MIN_RATE;
2179 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2180 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2181 }
2182
2183 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2184 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2185
2186 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2187 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2188
2189 /* global vn counter - maximal Mbps for this vn */
2190 m_rs_vn.vn_counter.rate = vn_max_rate;
2191
2192 /* quota - number of bytes transmitted in this period */
2193 m_rs_vn.vn_counter.quota =
2194 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2195
2196 #ifdef BNX2X_PER_PROT_QOS
2197 /* per protocol counter */
2198 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2199 /* maximal Mbps for this protocol */
2200 m_rs_vn.protocol_counters[protocol].rate =
2201 protocol_max_rate[protocol];
2202 /* the quota in each timer period -
2203 number of bytes transmitted in this period */
2204 m_rs_vn.protocol_counters[protocol].quota =
2205 (u32)(rs_periodic_timeout_usec *
2206 ((double)m_rs_vn.
2207 protocol_counters[protocol].rate/8));
2208 }
2209 #endif
2210
2211 if (wsum) {
2212 /* credit for each period of the fairness algorithm:
2213 number of bytes in T_FAIR (the vn share the port rate).
2214 wsum should not be larger than 10000, thus
2215 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2216 m_fair_vn.vn_credit_delta =
2217 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2218 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2219 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2220 m_fair_vn.vn_credit_delta);
2221 }
2222
2223 #ifdef BNX2X_PER_PROT_QOS
2224 do {
2225 u32 protocolWeightSum = 0;
2226
2227 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2228 protocolWeightSum +=
2229 drvInit.protocol_min_rate[protocol];
2230 /* per protocol counter -
2231 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2232 if (protocolWeightSum > 0) {
2233 for (protocol = 0;
2234 protocol < NUM_OF_PROTOCOLS; protocol++)
2235 /* credit for each period of the
2236 fairness algorithm - number of bytes in
2237 T_FAIR (the protocol share the vn rate) */
2238 m_fair_vn.protocol_credit_delta[protocol] =
2239 (u32)((vn_min_rate / 8) * t_fair *
2240 protocol_min_rate / protocolWeightSum);
2241 }
2242 } while (0);
2243 #endif
2244
2245 /* Store it to internal memory */
2246 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2247 REG_WR(bp, BAR_XSTRORM_INTMEM +
2248 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2249 ((u32 *)(&m_rs_vn))[i]);
2250
2251 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2252 REG_WR(bp, BAR_XSTRORM_INTMEM +
2253 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2254 ((u32 *)(&m_fair_vn))[i]);
2255 }
2256
2257 /* This function is called upon link interrupt */
2258 static void bnx2x_link_attn(struct bnx2x *bp)
2259 {
2260 int vn;
2261
2262 /* Make sure that we are synced with the current statistics */
2263 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2264
2265 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2266
2267 if (bp->link_vars.link_up) {
2268
2269 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2270 struct host_port_stats *pstats;
2271
2272 pstats = bnx2x_sp(bp, port_stats);
2273 /* reset old bmac stats */
2274 memset(&(pstats->mac_stx[0]), 0,
2275 sizeof(struct mac_stx));
2276 }
2277 if ((bp->state == BNX2X_STATE_OPEN) ||
2278 (bp->state == BNX2X_STATE_DISABLED))
2279 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2280 }
2281
2282 /* indicate link status */
2283 bnx2x_link_report(bp);
2284
2285 if (IS_E1HMF(bp)) {
2286 int func;
2287
2288 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2289 if (vn == BP_E1HVN(bp))
2290 continue;
2291
2292 func = ((vn << 1) | BP_PORT(bp));
2293
2294 /* Set the attention towards other drivers
2295 on the same port */
2296 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2297 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2298 }
2299 }
2300
2301 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2302 struct cmng_struct_per_port m_cmng_port;
2303 u32 wsum;
2304 int port = BP_PORT(bp);
2305
2306 /* Init RATE SHAPING and FAIRNESS contexts */
2307 wsum = bnx2x_calc_vn_wsum(bp);
2308 bnx2x_init_port_minmax(bp, (int)wsum,
2309 bp->link_vars.line_speed,
2310 &m_cmng_port);
2311 if (IS_E1HMF(bp))
2312 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2313 bnx2x_init_vn_minmax(bp, 2*vn + port,
2314 wsum, bp->link_vars.line_speed,
2315 &m_cmng_port);
2316 }
2317 }
2318
2319 static void bnx2x__link_status_update(struct bnx2x *bp)
2320 {
2321 if (bp->state != BNX2X_STATE_OPEN)
2322 return;
2323
2324 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2325
2326 if (bp->link_vars.link_up)
2327 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2328 else
2329 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2330
2331 /* indicate link status */
2332 bnx2x_link_report(bp);
2333 }
2334
2335 static void bnx2x_pmf_update(struct bnx2x *bp)
2336 {
2337 int port = BP_PORT(bp);
2338 u32 val;
2339
2340 bp->port.pmf = 1;
2341 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2342
2343 /* enable nig attention */
2344 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2345 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2346 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2347
2348 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2349 }
2350
2351 /* end of Link */
2352
2353 /* slow path */
2354
2355 /*
2356 * General service functions
2357 */
2358
2359 /* the slow path queue is odd since completions arrive on the fastpath ring */
2360 static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2361 u32 data_hi, u32 data_lo, int common)
2362 {
2363 int func = BP_FUNC(bp);
2364
2365 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2366 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
2367 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2368 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2369 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2370
2371 #ifdef BNX2X_STOP_ON_ERROR
2372 if (unlikely(bp->panic))
2373 return -EIO;
2374 #endif
2375
2376 spin_lock_bh(&bp->spq_lock);
2377
2378 if (!bp->spq_left) {
2379 BNX2X_ERR("BUG! SPQ ring full!\n");
2380 spin_unlock_bh(&bp->spq_lock);
2381 bnx2x_panic();
2382 return -EBUSY;
2383 }
2384
2385 /* CID needs port number to be encoded int it */
2386 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2387 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2388 HW_CID(bp, cid)));
2389 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2390 if (common)
2391 bp->spq_prod_bd->hdr.type |=
2392 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2393
2394 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2395 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2396
2397 bp->spq_left--;
2398
2399 if (bp->spq_prod_bd == bp->spq_last_bd) {
2400 bp->spq_prod_bd = bp->spq;
2401 bp->spq_prod_idx = 0;
2402 DP(NETIF_MSG_TIMER, "end of spq\n");
2403
2404 } else {
2405 bp->spq_prod_bd++;
2406 bp->spq_prod_idx++;
2407 }
2408
2409 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2410 bp->spq_prod_idx);
2411
2412 spin_unlock_bh(&bp->spq_lock);
2413 return 0;
2414 }
2415
2416 /* acquire split MCP access lock register */
2417 static int bnx2x_acquire_alr(struct bnx2x *bp)
2418 {
2419 u32 i, j, val;
2420 int rc = 0;
2421
2422 might_sleep();
2423 i = 100;
2424 for (j = 0; j < i*10; j++) {
2425 val = (1UL << 31);
2426 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2427 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2428 if (val & (1L << 31))
2429 break;
2430
2431 msleep(5);
2432 }
2433 if (!(val & (1L << 31))) {
2434 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2435 rc = -EBUSY;
2436 }
2437
2438 return rc;
2439 }
2440
2441 /* release split MCP access lock register */
2442 static void bnx2x_release_alr(struct bnx2x *bp)
2443 {
2444 u32 val = 0;
2445
2446 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2447 }
2448
2449 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2450 {
2451 struct host_def_status_block *def_sb = bp->def_status_blk;
2452 u16 rc = 0;
2453
2454 barrier(); /* status block is written to by the chip */
2455 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2456 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2457 rc |= 1;
2458 }
2459 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2460 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2461 rc |= 2;
2462 }
2463 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2464 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2465 rc |= 4;
2466 }
2467 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2468 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2469 rc |= 8;
2470 }
2471 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2472 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2473 rc |= 16;
2474 }
2475 return rc;
2476 }
2477
2478 /*
2479 * slow path service functions
2480 */
2481
2482 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2483 {
2484 int port = BP_PORT(bp);
2485 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2486 COMMAND_REG_ATTN_BITS_SET);
2487 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2488 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2489 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2490 NIG_REG_MASK_INTERRUPT_PORT0;
2491 u32 aeu_mask;
2492
2493 if (bp->attn_state & asserted)
2494 BNX2X_ERR("IGU ERROR\n");
2495
2496 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2497 aeu_mask = REG_RD(bp, aeu_addr);
2498
2499 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2500 aeu_mask, asserted);
2501 aeu_mask &= ~(asserted & 0xff);
2502 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2503
2504 REG_WR(bp, aeu_addr, aeu_mask);
2505 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2506
2507 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2508 bp->attn_state |= asserted;
2509 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2510
2511 if (asserted & ATTN_HARD_WIRED_MASK) {
2512 if (asserted & ATTN_NIG_FOR_FUNC) {
2513
2514 bnx2x_acquire_phy_lock(bp);
2515
2516 /* save nig interrupt mask */
2517 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2518 REG_WR(bp, nig_int_mask_addr, 0);
2519
2520 bnx2x_link_attn(bp);
2521
2522 /* handle unicore attn? */
2523 }
2524 if (asserted & ATTN_SW_TIMER_4_FUNC)
2525 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2526
2527 if (asserted & GPIO_2_FUNC)
2528 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2529
2530 if (asserted & GPIO_3_FUNC)
2531 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2532
2533 if (asserted & GPIO_4_FUNC)
2534 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2535
2536 if (port == 0) {
2537 if (asserted & ATTN_GENERAL_ATTN_1) {
2538 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2539 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2540 }
2541 if (asserted & ATTN_GENERAL_ATTN_2) {
2542 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2543 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2544 }
2545 if (asserted & ATTN_GENERAL_ATTN_3) {
2546 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2547 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2548 }
2549 } else {
2550 if (asserted & ATTN_GENERAL_ATTN_4) {
2551 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2552 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2553 }
2554 if (asserted & ATTN_GENERAL_ATTN_5) {
2555 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2556 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2557 }
2558 if (asserted & ATTN_GENERAL_ATTN_6) {
2559 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2560 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2561 }
2562 }
2563
2564 } /* if hardwired */
2565
2566 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2567 asserted, hc_addr);
2568 REG_WR(bp, hc_addr, asserted);
2569
2570 /* now set back the mask */
2571 if (asserted & ATTN_NIG_FOR_FUNC) {
2572 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2573 bnx2x_release_phy_lock(bp);
2574 }
2575 }
2576
2577 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2578 {
2579 int port = BP_PORT(bp);
2580 int reg_offset;
2581 u32 val;
2582
2583 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2584 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2585
2586 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2587
2588 val = REG_RD(bp, reg_offset);
2589 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2590 REG_WR(bp, reg_offset, val);
2591
2592 BNX2X_ERR("SPIO5 hw attention\n");
2593
2594 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2595 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
2596 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2597 /* Fan failure attention */
2598
2599 /* The PHY reset is controlled by GPIO 1 */
2600 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2601 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2602 /* Low power mode is controlled by GPIO 2 */
2603 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2604 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2605 /* mark the failure */
2606 bp->link_params.ext_phy_config &=
2607 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2608 bp->link_params.ext_phy_config |=
2609 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2610 SHMEM_WR(bp,
2611 dev_info.port_hw_config[port].
2612 external_phy_config,
2613 bp->link_params.ext_phy_config);
2614 /* log the failure */
2615 printk(KERN_ERR PFX "Fan Failure on Network"
2616 " Controller %s has caused the driver to"
2617 " shutdown the card to prevent permanent"
2618 " damage. Please contact Dell Support for"
2619 " assistance\n", bp->dev->name);
2620 break;
2621
2622 default:
2623 break;
2624 }
2625 }
2626
2627 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2628
2629 val = REG_RD(bp, reg_offset);
2630 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2631 REG_WR(bp, reg_offset, val);
2632
2633 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2634 (attn & HW_INTERRUT_ASSERT_SET_0));
2635 bnx2x_panic();
2636 }
2637 }
2638
2639 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2640 {
2641 u32 val;
2642
2643 if (attn & BNX2X_DOORQ_ASSERT) {
2644
2645 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2646 BNX2X_ERR("DB hw attention 0x%x\n", val);
2647 /* DORQ discard attention */
2648 if (val & 0x2)
2649 BNX2X_ERR("FATAL error from DORQ\n");
2650 }
2651
2652 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2653
2654 int port = BP_PORT(bp);
2655 int reg_offset;
2656
2657 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2658 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2659
2660 val = REG_RD(bp, reg_offset);
2661 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2662 REG_WR(bp, reg_offset, val);
2663
2664 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2665 (attn & HW_INTERRUT_ASSERT_SET_1));
2666 bnx2x_panic();
2667 }
2668 }
2669
2670 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2671 {
2672 u32 val;
2673
2674 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2675
2676 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2677 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2678 /* CFC error attention */
2679 if (val & 0x2)
2680 BNX2X_ERR("FATAL error from CFC\n");
2681 }
2682
2683 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2684
2685 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2686 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2687 /* RQ_USDMDP_FIFO_OVERFLOW */
2688 if (val & 0x18000)
2689 BNX2X_ERR("FATAL error from PXP\n");
2690 }
2691
2692 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2693
2694 int port = BP_PORT(bp);
2695 int reg_offset;
2696
2697 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2698 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2699
2700 val = REG_RD(bp, reg_offset);
2701 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2702 REG_WR(bp, reg_offset, val);
2703
2704 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2705 (attn & HW_INTERRUT_ASSERT_SET_2));
2706 bnx2x_panic();
2707 }
2708 }
2709
2710 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2711 {
2712 u32 val;
2713
2714 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2715
2716 if (attn & BNX2X_PMF_LINK_ASSERT) {
2717 int func = BP_FUNC(bp);
2718
2719 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2720 bnx2x__link_status_update(bp);
2721 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2722 DRV_STATUS_PMF)
2723 bnx2x_pmf_update(bp);
2724
2725 } else if (attn & BNX2X_MC_ASSERT_BITS) {
2726
2727 BNX2X_ERR("MC assert!\n");
2728 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2729 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2730 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2731 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2732 bnx2x_panic();
2733
2734 } else if (attn & BNX2X_MCP_ASSERT) {
2735
2736 BNX2X_ERR("MCP assert!\n");
2737 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
2738 bnx2x_fw_dump(bp);
2739
2740 } else
2741 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2742 }
2743
2744 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2745 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2746 if (attn & BNX2X_GRC_TIMEOUT) {
2747 val = CHIP_IS_E1H(bp) ?
2748 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2749 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2750 }
2751 if (attn & BNX2X_GRC_RSV) {
2752 val = CHIP_IS_E1H(bp) ?
2753 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2754 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2755 }
2756 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
2757 }
2758 }
2759
2760 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2761 {
2762 struct attn_route attn;
2763 struct attn_route group_mask;
2764 int port = BP_PORT(bp);
2765 int index;
2766 u32 reg_addr;
2767 u32 val;
2768 u32 aeu_mask;
2769
2770 /* need to take HW lock because MCP or other port might also
2771 try to handle this event */
2772 bnx2x_acquire_alr(bp);
2773
2774 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2775 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2776 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2777 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
2778 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2779 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
2780
2781 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2782 if (deasserted & (1 << index)) {
2783 group_mask = bp->attn_group[index];
2784
2785 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2786 index, group_mask.sig[0], group_mask.sig[1],
2787 group_mask.sig[2], group_mask.sig[3]);
2788
2789 bnx2x_attn_int_deasserted3(bp,
2790 attn.sig[3] & group_mask.sig[3]);
2791 bnx2x_attn_int_deasserted1(bp,
2792 attn.sig[1] & group_mask.sig[1]);
2793 bnx2x_attn_int_deasserted2(bp,
2794 attn.sig[2] & group_mask.sig[2]);
2795 bnx2x_attn_int_deasserted0(bp,
2796 attn.sig[0] & group_mask.sig[0]);
2797
2798 if ((attn.sig[0] & group_mask.sig[0] &
2799 HW_PRTY_ASSERT_SET_0) ||
2800 (attn.sig[1] & group_mask.sig[1] &
2801 HW_PRTY_ASSERT_SET_1) ||
2802 (attn.sig[2] & group_mask.sig[2] &
2803 HW_PRTY_ASSERT_SET_2))
2804 BNX2X_ERR("FATAL HW block parity attention\n");
2805 }
2806 }
2807
2808 bnx2x_release_alr(bp);
2809
2810 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
2811
2812 val = ~deasserted;
2813 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2814 val, reg_addr);
2815 REG_WR(bp, reg_addr, val);
2816
2817 if (~bp->attn_state & deasserted)
2818 BNX2X_ERR("IGU ERROR\n");
2819
2820 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2821 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2822
2823 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2824 aeu_mask = REG_RD(bp, reg_addr);
2825
2826 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2827 aeu_mask, deasserted);
2828 aeu_mask |= (deasserted & 0xff);
2829 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2830
2831 REG_WR(bp, reg_addr, aeu_mask);
2832 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2833
2834 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2835 bp->attn_state &= ~deasserted;
2836 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2837 }
2838
2839 static void bnx2x_attn_int(struct bnx2x *bp)
2840 {
2841 /* read local copy of bits */
2842 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
2843 attn_bits);
2844 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
2845 attn_bits_ack);
2846 u32 attn_state = bp->attn_state;
2847
2848 /* look for changed bits */
2849 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2850 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2851
2852 DP(NETIF_MSG_HW,
2853 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2854 attn_bits, attn_ack, asserted, deasserted);
2855
2856 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
2857 BNX2X_ERR("BAD attention state\n");
2858
2859 /* handle bits that were raised */
2860 if (asserted)
2861 bnx2x_attn_int_asserted(bp, asserted);
2862
2863 if (deasserted)
2864 bnx2x_attn_int_deasserted(bp, deasserted);
2865 }
2866
2867 static void bnx2x_sp_task(struct work_struct *work)
2868 {
2869 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
2870 u16 status;
2871
2872
2873 /* Return here if interrupt is disabled */
2874 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2875 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2876 return;
2877 }
2878
2879 status = bnx2x_update_dsb_idx(bp);
2880 /* if (status == 0) */
2881 /* BNX2X_ERR("spurious slowpath interrupt!\n"); */
2882
2883 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
2884
2885 /* HW attentions */
2886 if (status & 0x1)
2887 bnx2x_attn_int(bp);
2888
2889 /* CStorm events: query_stats, port delete ramrod */
2890 if (status & 0x2)
2891 bp->stats_pending = 0;
2892
2893 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, le16_to_cpu(bp->def_att_idx),
2894 IGU_INT_NOP, 1);
2895 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2896 IGU_INT_NOP, 1);
2897 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2898 IGU_INT_NOP, 1);
2899 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2900 IGU_INT_NOP, 1);
2901 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2902 IGU_INT_ENABLE, 1);
2903
2904 }
2905
2906 static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2907 {
2908 struct net_device *dev = dev_instance;
2909 struct bnx2x *bp = netdev_priv(dev);
2910
2911 /* Return here if interrupt is disabled */
2912 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2913 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2914 return IRQ_HANDLED;
2915 }
2916
2917 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
2918
2919 #ifdef BNX2X_STOP_ON_ERROR
2920 if (unlikely(bp->panic))
2921 return IRQ_HANDLED;
2922 #endif
2923
2924 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2925
2926 return IRQ_HANDLED;
2927 }
2928
2929 /* end of slow path */
2930
2931 /* Statistics */
2932
2933 /****************************************************************************
2934 * Macros
2935 ****************************************************************************/
2936
2937 /* sum[hi:lo] += add[hi:lo] */
2938 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2939 do { \
2940 s_lo += a_lo; \
2941 s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
2942 } while (0)
2943
2944 /* difference = minuend - subtrahend */
2945 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2946 do { \
2947 if (m_lo < s_lo) { \
2948 /* underflow */ \
2949 d_hi = m_hi - s_hi; \
2950 if (d_hi > 0) { \
2951 /* we can 'loan' 1 */ \
2952 d_hi--; \
2953 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
2954 } else { \
2955 /* m_hi <= s_hi */ \
2956 d_hi = 0; \
2957 d_lo = 0; \
2958 } \
2959 } else { \
2960 /* m_lo >= s_lo */ \
2961 if (m_hi < s_hi) { \
2962 d_hi = 0; \
2963 d_lo = 0; \
2964 } else { \
2965 /* m_hi >= s_hi */ \
2966 d_hi = m_hi - s_hi; \
2967 d_lo = m_lo - s_lo; \
2968 } \
2969 } \
2970 } while (0)
2971
2972 #define UPDATE_STAT64(s, t) \
2973 do { \
2974 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2975 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2976 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2977 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2978 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2979 pstats->mac_stx[1].t##_lo, diff.lo); \
2980 } while (0)
2981
2982 #define UPDATE_STAT64_NIG(s, t) \
2983 do { \
2984 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2985 diff.lo, new->s##_lo, old->s##_lo); \
2986 ADD_64(estats->t##_hi, diff.hi, \
2987 estats->t##_lo, diff.lo); \
2988 } while (0)
2989
2990 /* sum[hi:lo] += add */
2991 #define ADD_EXTEND_64(s_hi, s_lo, a) \
2992 do { \
2993 s_lo += a; \
2994 s_hi += (s_lo < a) ? 1 : 0; \
2995 } while (0)
2996
2997 #define UPDATE_EXTEND_STAT(s) \
2998 do { \
2999 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
3000 pstats->mac_stx[1].s##_lo, \
3001 new->s); \
3002 } while (0)
3003
3004 #define UPDATE_EXTEND_TSTAT(s, t) \
3005 do { \
3006 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
3007 old_tclient->s = le32_to_cpu(tclient->s); \
3008 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
3009 } while (0)
3010
3011 #define UPDATE_EXTEND_XSTAT(s, t) \
3012 do { \
3013 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
3014 old_xclient->s = le32_to_cpu(xclient->s); \
3015 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
3016 } while (0)
3017
3018 /*
3019 * General service functions
3020 */
3021
3022 static inline long bnx2x_hilo(u32 *hiref)
3023 {
3024 u32 lo = *(hiref + 1);
3025 #if (BITS_PER_LONG == 64)
3026 u32 hi = *hiref;
3027
3028 return HILO_U64(hi, lo);
3029 #else
3030 return lo;
3031 #endif
3032 }
3033
3034 /*
3035 * Init service functions
3036 */
3037
3038 static void bnx2x_storm_stats_post(struct bnx2x *bp)
3039 {
3040 if (!bp->stats_pending) {
3041 struct eth_query_ramrod_data ramrod_data = {0};
3042 int rc;
3043
3044 ramrod_data.drv_counter = bp->stats_counter++;
3045 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3046 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3047
3048 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3049 ((u32 *)&ramrod_data)[1],
3050 ((u32 *)&ramrod_data)[0], 0);
3051 if (rc == 0) {
3052 /* stats ramrod has it's own slot on the spq */
3053 bp->spq_left++;
3054 bp->stats_pending = 1;
3055 }
3056 }
3057 }
3058
3059 static void bnx2x_stats_init(struct bnx2x *bp)
3060 {
3061 int port = BP_PORT(bp);
3062
3063 bp->executer_idx = 0;
3064 bp->stats_counter = 0;
3065
3066 /* port stats */
3067 if (!BP_NOMCP(bp))
3068 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3069 else
3070 bp->port.port_stx = 0;
3071 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3072
3073 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3074 bp->port.old_nig_stats.brb_discard =
3075 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
3076 bp->port.old_nig_stats.brb_truncate =
3077 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
3078 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3079 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3080 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3081 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3082
3083 /* function stats */
3084 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3085 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3086 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3087 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3088
3089 bp->stats_state = STATS_STATE_DISABLED;
3090 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3091 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3092 }
3093
3094 static void bnx2x_hw_stats_post(struct bnx2x *bp)
3095 {
3096 struct dmae_command *dmae = &bp->stats_dmae;
3097 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3098
3099 *stats_comp = DMAE_COMP_VAL;
3100
3101 /* loader */
3102 if (bp->executer_idx) {
3103 int loader_idx = PMF_DMAE_C(bp);
3104
3105 memset(dmae, 0, sizeof(struct dmae_command));
3106
3107 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3108 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3109 DMAE_CMD_DST_RESET |
3110 #ifdef __BIG_ENDIAN
3111 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3112 #else
3113 DMAE_CMD_ENDIANITY_DW_SWAP |
3114 #endif
3115 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3116 DMAE_CMD_PORT_0) |
3117 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3118 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3119 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3120 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3121 sizeof(struct dmae_command) *
3122 (loader_idx + 1)) >> 2;
3123 dmae->dst_addr_hi = 0;
3124 dmae->len = sizeof(struct dmae_command) >> 2;
3125 if (CHIP_IS_E1(bp))
3126 dmae->len--;
3127 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3128 dmae->comp_addr_hi = 0;
3129 dmae->comp_val = 1;
3130
3131 *stats_comp = 0;
3132 bnx2x_post_dmae(bp, dmae, loader_idx);
3133
3134 } else if (bp->func_stx) {
3135 *stats_comp = 0;
3136 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3137 }
3138 }
3139
3140 static int bnx2x_stats_comp(struct bnx2x *bp)
3141 {
3142 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3143 int cnt = 10;
3144
3145 might_sleep();
3146 while (*stats_comp != DMAE_COMP_VAL) {
3147 if (!cnt) {
3148 BNX2X_ERR("timeout waiting for stats finished\n");
3149 break;
3150 }
3151 cnt--;
3152 msleep(1);
3153 }
3154 return 1;
3155 }
3156
3157 /*
3158 * Statistics service functions
3159 */
3160
3161 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3162 {
3163 struct dmae_command *dmae;
3164 u32 opcode;
3165 int loader_idx = PMF_DMAE_C(bp);
3166 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3167
3168 /* sanity */
3169 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3170 BNX2X_ERR("BUG!\n");
3171 return;
3172 }
3173
3174 bp->executer_idx = 0;
3175
3176 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3177 DMAE_CMD_C_ENABLE |
3178 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3179 #ifdef __BIG_ENDIAN
3180 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3181 #else
3182 DMAE_CMD_ENDIANITY_DW_SWAP |
3183 #endif
3184 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3185 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3186
3187 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3188 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3189 dmae->src_addr_lo = bp->port.port_stx >> 2;
3190 dmae->src_addr_hi = 0;
3191 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3192 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3193 dmae->len = DMAE_LEN32_RD_MAX;
3194 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3195 dmae->comp_addr_hi = 0;
3196 dmae->comp_val = 1;
3197
3198 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3199 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3200 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3201 dmae->src_addr_hi = 0;
3202 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3203 DMAE_LEN32_RD_MAX * 4);
3204 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3205 DMAE_LEN32_RD_MAX * 4);
3206 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3207 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3208 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3209 dmae->comp_val = DMAE_COMP_VAL;
3210
3211 *stats_comp = 0;
3212 bnx2x_hw_stats_post(bp);
3213 bnx2x_stats_comp(bp);
3214 }
3215
3216 static void bnx2x_port_stats_init(struct bnx2x *bp)
3217 {
3218 struct dmae_command *dmae;
3219 int port = BP_PORT(bp);
3220 int vn = BP_E1HVN(bp);
3221 u32 opcode;
3222 int loader_idx = PMF_DMAE_C(bp);
3223 u32 mac_addr;
3224 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3225
3226 /* sanity */
3227 if (!bp->link_vars.link_up || !bp->port.pmf) {
3228 BNX2X_ERR("BUG!\n");
3229 return;
3230 }
3231
3232 bp->executer_idx = 0;
3233
3234 /* MCP */
3235 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3236 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3237 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3238 #ifdef __BIG_ENDIAN
3239 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3240 #else
3241 DMAE_CMD_ENDIANITY_DW_SWAP |
3242 #endif
3243 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3244 (vn << DMAE_CMD_E1HVN_SHIFT));
3245
3246 if (bp->port.port_stx) {
3247
3248 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3249 dmae->opcode = opcode;
3250 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3251 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3252 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3253 dmae->dst_addr_hi = 0;
3254 dmae->len = sizeof(struct host_port_stats) >> 2;
3255 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3256 dmae->comp_addr_hi = 0;
3257 dmae->comp_val = 1;
3258 }
3259
3260 if (bp->func_stx) {
3261
3262 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3263 dmae->opcode = opcode;
3264 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3265 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3266 dmae->dst_addr_lo = bp->func_stx >> 2;
3267 dmae->dst_addr_hi = 0;
3268 dmae->len = sizeof(struct host_func_stats) >> 2;
3269 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3270 dmae->comp_addr_hi = 0;
3271 dmae->comp_val = 1;
3272 }
3273
3274 /* MAC */
3275 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3276 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3277 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3278 #ifdef __BIG_ENDIAN
3279 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3280 #else
3281 DMAE_CMD_ENDIANITY_DW_SWAP |
3282 #endif
3283 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3284 (vn << DMAE_CMD_E1HVN_SHIFT));
3285
3286 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
3287
3288 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3289 NIG_REG_INGRESS_BMAC0_MEM);
3290
3291 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3292 BIGMAC_REGISTER_TX_STAT_GTBYT */
3293 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3294 dmae->opcode = opcode;
3295 dmae->src_addr_lo = (mac_addr +
3296 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3297 dmae->src_addr_hi = 0;
3298 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3299 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3300 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3301 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3302 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3303 dmae->comp_addr_hi = 0;
3304 dmae->comp_val = 1;
3305
3306 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3307 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3308 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3309 dmae->opcode = opcode;
3310 dmae->src_addr_lo = (mac_addr +
3311 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3312 dmae->src_addr_hi = 0;
3313 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3314 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3315 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3316 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3317 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3318 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3319 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3320 dmae->comp_addr_hi = 0;
3321 dmae->comp_val = 1;
3322
3323 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
3324
3325 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3326
3327 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3328 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3329 dmae->opcode = opcode;
3330 dmae->src_addr_lo = (mac_addr +
3331 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3332 dmae->src_addr_hi = 0;
3333 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3334 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3335 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
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 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3341 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3342 dmae->opcode = opcode;
3343 dmae->src_addr_lo = (mac_addr +
3344 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3345 dmae->src_addr_hi = 0;
3346 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3347 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3348 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3349 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3350 dmae->len = 1;
3351 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3352 dmae->comp_addr_hi = 0;
3353 dmae->comp_val = 1;
3354
3355 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3356 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3357 dmae->opcode = opcode;
3358 dmae->src_addr_lo = (mac_addr +
3359 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3360 dmae->src_addr_hi = 0;
3361 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3362 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3363 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3364 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3365 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3366 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3367 dmae->comp_addr_hi = 0;
3368 dmae->comp_val = 1;
3369 }
3370
3371 /* NIG */
3372 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3373 dmae->opcode = opcode;
3374 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3375 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3376 dmae->src_addr_hi = 0;
3377 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3378 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3379 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3380 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3381 dmae->comp_addr_hi = 0;
3382 dmae->comp_val = 1;
3383
3384 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3385 dmae->opcode = opcode;
3386 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3387 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3388 dmae->src_addr_hi = 0;
3389 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3390 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3391 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3392 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3393 dmae->len = (2*sizeof(u32)) >> 2;
3394 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3395 dmae->comp_addr_hi = 0;
3396 dmae->comp_val = 1;
3397
3398 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3399 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3400 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3401 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3402 #ifdef __BIG_ENDIAN
3403 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3404 #else
3405 DMAE_CMD_ENDIANITY_DW_SWAP |
3406 #endif
3407 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3408 (vn << DMAE_CMD_E1HVN_SHIFT));
3409 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3410 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
3411 dmae->src_addr_hi = 0;
3412 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3413 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3414 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3415 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3416 dmae->len = (2*sizeof(u32)) >> 2;
3417 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3418 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3419 dmae->comp_val = DMAE_COMP_VAL;
3420
3421 *stats_comp = 0;
3422 }
3423
3424 static void bnx2x_func_stats_init(struct bnx2x *bp)
3425 {
3426 struct dmae_command *dmae = &bp->stats_dmae;
3427 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3428
3429 /* sanity */
3430 if (!bp->func_stx) {
3431 BNX2X_ERR("BUG!\n");
3432 return;
3433 }
3434
3435 bp->executer_idx = 0;
3436 memset(dmae, 0, sizeof(struct dmae_command));
3437
3438 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3439 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3440 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3441 #ifdef __BIG_ENDIAN
3442 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3443 #else
3444 DMAE_CMD_ENDIANITY_DW_SWAP |
3445 #endif
3446 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3447 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3448 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3449 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3450 dmae->dst_addr_lo = bp->func_stx >> 2;
3451 dmae->dst_addr_hi = 0;
3452 dmae->len = sizeof(struct host_func_stats) >> 2;
3453 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3454 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3455 dmae->comp_val = DMAE_COMP_VAL;
3456
3457 *stats_comp = 0;
3458 }
3459
3460 static void bnx2x_stats_start(struct bnx2x *bp)
3461 {
3462 if (bp->port.pmf)
3463 bnx2x_port_stats_init(bp);
3464
3465 else if (bp->func_stx)
3466 bnx2x_func_stats_init(bp);
3467
3468 bnx2x_hw_stats_post(bp);
3469 bnx2x_storm_stats_post(bp);
3470 }
3471
3472 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
3473 {
3474 bnx2x_stats_comp(bp);
3475 bnx2x_stats_pmf_update(bp);
3476 bnx2x_stats_start(bp);
3477 }
3478
3479 static void bnx2x_stats_restart(struct bnx2x *bp)
3480 {
3481 bnx2x_stats_comp(bp);
3482 bnx2x_stats_start(bp);
3483 }
3484
3485 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3486 {
3487 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3488 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3489 struct regpair diff;
3490
3491 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3492 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3493 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3494 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3495 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3496 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
3497 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
3498 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3499 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3500 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3501 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3502 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3503 UPDATE_STAT64(tx_stat_gt127,
3504 tx_stat_etherstatspkts65octetsto127octets);
3505 UPDATE_STAT64(tx_stat_gt255,
3506 tx_stat_etherstatspkts128octetsto255octets);
3507 UPDATE_STAT64(tx_stat_gt511,
3508 tx_stat_etherstatspkts256octetsto511octets);
3509 UPDATE_STAT64(tx_stat_gt1023,
3510 tx_stat_etherstatspkts512octetsto1023octets);
3511 UPDATE_STAT64(tx_stat_gt1518,
3512 tx_stat_etherstatspkts1024octetsto1522octets);
3513 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3514 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3515 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3516 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3517 UPDATE_STAT64(tx_stat_gterr,
3518 tx_stat_dot3statsinternalmactransmiterrors);
3519 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3520 }
3521
3522 static void bnx2x_emac_stats_update(struct bnx2x *bp)
3523 {
3524 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3525 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3526
3527 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3528 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3529 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3530 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3531 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3532 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3533 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3534 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3535 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3536 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3537 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3538 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3539 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3540 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3541 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3542 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3543 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3544 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3545 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3546 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3547 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3548 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3549 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3550 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3551 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3552 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3553 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3554 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3555 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3556 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3557 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3558 }
3559
3560 static int bnx2x_hw_stats_update(struct bnx2x *bp)
3561 {
3562 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3563 struct nig_stats *old = &(bp->port.old_nig_stats);
3564 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3565 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3566 struct regpair diff;
3567
3568 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3569 bnx2x_bmac_stats_update(bp);
3570
3571 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3572 bnx2x_emac_stats_update(bp);
3573
3574 else { /* unreached */
3575 BNX2X_ERR("stats updated by dmae but no MAC active\n");
3576 return -1;
3577 }
3578
3579 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3580 new->brb_discard - old->brb_discard);
3581 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3582 new->brb_truncate - old->brb_truncate);
3583
3584 UPDATE_STAT64_NIG(egress_mac_pkt0,
3585 etherstatspkts1024octetsto1522octets);
3586 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
3587
3588 memcpy(old, new, sizeof(struct nig_stats));
3589
3590 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3591 sizeof(struct mac_stx));
3592 estats->brb_drop_hi = pstats->brb_drop_hi;
3593 estats->brb_drop_lo = pstats->brb_drop_lo;
3594
3595 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
3596
3597 return 0;
3598 }
3599
3600 static int bnx2x_storm_stats_update(struct bnx2x *bp)
3601 {
3602 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3603 int cl_id = BP_CL_ID(bp);
3604 struct tstorm_per_port_stats *tport =
3605 &stats->tstorm_common.port_statistics;
3606 struct tstorm_per_client_stats *tclient =
3607 &stats->tstorm_common.client_statistics[cl_id];
3608 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3609 struct xstorm_per_client_stats *xclient =
3610 &stats->xstorm_common.client_statistics[cl_id];
3611 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3612 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3613 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3614 u32 diff;
3615
3616 /* are storm stats valid? */
3617 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3618 bp->stats_counter) {
3619 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3620 " tstorm counter (%d) != stats_counter (%d)\n",
3621 tclient->stats_counter, bp->stats_counter);
3622 return -1;
3623 }
3624 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3625 bp->stats_counter) {
3626 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3627 " xstorm counter (%d) != stats_counter (%d)\n",
3628 xclient->stats_counter, bp->stats_counter);
3629 return -2;
3630 }
3631
3632 fstats->total_bytes_received_hi =
3633 fstats->valid_bytes_received_hi =
3634 le32_to_cpu(tclient->total_rcv_bytes.hi);
3635 fstats->total_bytes_received_lo =
3636 fstats->valid_bytes_received_lo =
3637 le32_to_cpu(tclient->total_rcv_bytes.lo);
3638
3639 estats->error_bytes_received_hi =
3640 le32_to_cpu(tclient->rcv_error_bytes.hi);
3641 estats->error_bytes_received_lo =
3642 le32_to_cpu(tclient->rcv_error_bytes.lo);
3643 ADD_64(estats->error_bytes_received_hi,
3644 estats->rx_stat_ifhcinbadoctets_hi,
3645 estats->error_bytes_received_lo,
3646 estats->rx_stat_ifhcinbadoctets_lo);
3647
3648 ADD_64(fstats->total_bytes_received_hi,
3649 estats->error_bytes_received_hi,
3650 fstats->total_bytes_received_lo,
3651 estats->error_bytes_received_lo);
3652
3653 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3654 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3655 total_multicast_packets_received);
3656 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3657 total_broadcast_packets_received);
3658
3659 fstats->total_bytes_transmitted_hi =
3660 le32_to_cpu(xclient->total_sent_bytes.hi);
3661 fstats->total_bytes_transmitted_lo =
3662 le32_to_cpu(xclient->total_sent_bytes.lo);
3663
3664 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3665 total_unicast_packets_transmitted);
3666 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3667 total_multicast_packets_transmitted);
3668 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3669 total_broadcast_packets_transmitted);
3670
3671 memcpy(estats, &(fstats->total_bytes_received_hi),
3672 sizeof(struct host_func_stats) - 2*sizeof(u32));
3673
3674 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3675 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3676 estats->brb_truncate_discard =
3677 le32_to_cpu(tport->brb_truncate_discard);
3678 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3679
3680 old_tclient->rcv_unicast_bytes.hi =
3681 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3682 old_tclient->rcv_unicast_bytes.lo =
3683 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3684 old_tclient->rcv_broadcast_bytes.hi =
3685 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3686 old_tclient->rcv_broadcast_bytes.lo =
3687 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3688 old_tclient->rcv_multicast_bytes.hi =
3689 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3690 old_tclient->rcv_multicast_bytes.lo =
3691 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3692 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3693
3694 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3695 old_tclient->packets_too_big_discard =
3696 le32_to_cpu(tclient->packets_too_big_discard);
3697 estats->no_buff_discard =
3698 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3699 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3700
3701 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3702 old_xclient->unicast_bytes_sent.hi =
3703 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3704 old_xclient->unicast_bytes_sent.lo =
3705 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3706 old_xclient->multicast_bytes_sent.hi =
3707 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3708 old_xclient->multicast_bytes_sent.lo =
3709 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3710 old_xclient->broadcast_bytes_sent.hi =
3711 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3712 old_xclient->broadcast_bytes_sent.lo =
3713 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3714
3715 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3716
3717 return 0;
3718 }
3719
3720 static void bnx2x_net_stats_update(struct bnx2x *bp)
3721 {
3722 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3723 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3724 struct net_device_stats *nstats = &bp->dev->stats;
3725
3726 nstats->rx_packets =
3727 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3728 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3729 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3730
3731 nstats->tx_packets =
3732 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3733 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3734 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3735
3736 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
3737
3738 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
3739
3740 nstats->rx_dropped = old_tclient->checksum_discard +
3741 estats->mac_discard;
3742 nstats->tx_dropped = 0;
3743
3744 nstats->multicast =
3745 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3746
3747 nstats->collisions =
3748 estats->tx_stat_dot3statssinglecollisionframes_lo +
3749 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3750 estats->tx_stat_dot3statslatecollisions_lo +
3751 estats->tx_stat_dot3statsexcessivecollisions_lo;
3752
3753 estats->jabber_packets_received =
3754 old_tclient->packets_too_big_discard +
3755 estats->rx_stat_dot3statsframestoolong_lo;
3756
3757 nstats->rx_length_errors =
3758 estats->rx_stat_etherstatsundersizepkts_lo +
3759 estats->jabber_packets_received;
3760 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
3761 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3762 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3763 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
3764 nstats->rx_missed_errors = estats->xxoverflow_discard;
3765
3766 nstats->rx_errors = nstats->rx_length_errors +
3767 nstats->rx_over_errors +
3768 nstats->rx_crc_errors +
3769 nstats->rx_frame_errors +
3770 nstats->rx_fifo_errors +
3771 nstats->rx_missed_errors;
3772
3773 nstats->tx_aborted_errors =
3774 estats->tx_stat_dot3statslatecollisions_lo +
3775 estats->tx_stat_dot3statsexcessivecollisions_lo;
3776 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
3777 nstats->tx_fifo_errors = 0;
3778 nstats->tx_heartbeat_errors = 0;
3779 nstats->tx_window_errors = 0;
3780
3781 nstats->tx_errors = nstats->tx_aborted_errors +
3782 nstats->tx_carrier_errors;
3783 }
3784
3785 static void bnx2x_stats_update(struct bnx2x *bp)
3786 {
3787 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3788 int update = 0;
3789
3790 if (*stats_comp != DMAE_COMP_VAL)
3791 return;
3792
3793 if (bp->port.pmf)
3794 update = (bnx2x_hw_stats_update(bp) == 0);
3795
3796 update |= (bnx2x_storm_stats_update(bp) == 0);
3797
3798 if (update)
3799 bnx2x_net_stats_update(bp);
3800
3801 else {
3802 if (bp->stats_pending) {
3803 bp->stats_pending++;
3804 if (bp->stats_pending == 3) {
3805 BNX2X_ERR("stats not updated for 3 times\n");
3806 bnx2x_panic();
3807 return;
3808 }
3809 }
3810 }
3811
3812 if (bp->msglevel & NETIF_MSG_TIMER) {
3813 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3814 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3815 struct net_device_stats *nstats = &bp->dev->stats;
3816 int i;
3817
3818 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3819 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3820 " tx pkt (%lx)\n",
3821 bnx2x_tx_avail(bp->fp),
3822 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
3823 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3824 " rx pkt (%lx)\n",
3825 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3826 bp->fp->rx_comp_cons),
3827 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
3828 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
3829 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
3830 estats->driver_xoff, estats->brb_drop_lo);
3831 printk(KERN_DEBUG "tstats: checksum_discard %u "
3832 "packets_too_big_discard %u no_buff_discard %u "
3833 "mac_discard %u mac_filter_discard %u "
3834 "xxovrflow_discard %u brb_truncate_discard %u "
3835 "ttl0_discard %u\n",
3836 old_tclient->checksum_discard,
3837 old_tclient->packets_too_big_discard,
3838 old_tclient->no_buff_discard, estats->mac_discard,
3839 estats->mac_filter_discard, estats->xxoverflow_discard,
3840 estats->brb_truncate_discard,
3841 old_tclient->ttl0_discard);
3842
3843 for_each_queue(bp, i) {
3844 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3845 bnx2x_fp(bp, i, tx_pkt),
3846 bnx2x_fp(bp, i, rx_pkt),
3847 bnx2x_fp(bp, i, rx_calls));
3848 }
3849 }
3850
3851 bnx2x_hw_stats_post(bp);
3852 bnx2x_storm_stats_post(bp);
3853 }
3854
3855 static void bnx2x_port_stats_stop(struct bnx2x *bp)
3856 {
3857 struct dmae_command *dmae;
3858 u32 opcode;
3859 int loader_idx = PMF_DMAE_C(bp);
3860 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3861
3862 bp->executer_idx = 0;
3863
3864 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3865 DMAE_CMD_C_ENABLE |
3866 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3867 #ifdef __BIG_ENDIAN
3868 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3869 #else
3870 DMAE_CMD_ENDIANITY_DW_SWAP |
3871 #endif
3872 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3873 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3874
3875 if (bp->port.port_stx) {
3876
3877 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3878 if (bp->func_stx)
3879 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3880 else
3881 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3882 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3883 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3884 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3885 dmae->dst_addr_hi = 0;
3886 dmae->len = sizeof(struct host_port_stats) >> 2;
3887 if (bp->func_stx) {
3888 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3889 dmae->comp_addr_hi = 0;
3890 dmae->comp_val = 1;
3891 } else {
3892 dmae->comp_addr_lo =
3893 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3894 dmae->comp_addr_hi =
3895 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3896 dmae->comp_val = DMAE_COMP_VAL;
3897
3898 *stats_comp = 0;
3899 }
3900 }
3901
3902 if (bp->func_stx) {
3903
3904 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3905 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3906 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3907 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3908 dmae->dst_addr_lo = bp->func_stx >> 2;
3909 dmae->dst_addr_hi = 0;
3910 dmae->len = sizeof(struct host_func_stats) >> 2;
3911 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3912 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3913 dmae->comp_val = DMAE_COMP_VAL;
3914
3915 *stats_comp = 0;
3916 }
3917 }
3918
3919 static void bnx2x_stats_stop(struct bnx2x *bp)
3920 {
3921 int update = 0;
3922
3923 bnx2x_stats_comp(bp);
3924
3925 if (bp->port.pmf)
3926 update = (bnx2x_hw_stats_update(bp) == 0);
3927
3928 update |= (bnx2x_storm_stats_update(bp) == 0);
3929
3930 if (update) {
3931 bnx2x_net_stats_update(bp);
3932
3933 if (bp->port.pmf)
3934 bnx2x_port_stats_stop(bp);
3935
3936 bnx2x_hw_stats_post(bp);
3937 bnx2x_stats_comp(bp);
3938 }
3939 }
3940
3941 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3942 {
3943 }
3944
3945 static const struct {
3946 void (*action)(struct bnx2x *bp);
3947 enum bnx2x_stats_state next_state;
3948 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3949 /* state event */
3950 {
3951 /* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3952 /* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3953 /* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3954 /* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3955 },
3956 {
3957 /* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3958 /* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3959 /* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3960 /* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3961 }
3962 };
3963
3964 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3965 {
3966 enum bnx2x_stats_state state = bp->stats_state;
3967
3968 bnx2x_stats_stm[state][event].action(bp);
3969 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3970
3971 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3972 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3973 state, event, bp->stats_state);
3974 }
3975
3976 static void bnx2x_timer(unsigned long data)
3977 {
3978 struct bnx2x *bp = (struct bnx2x *) data;
3979
3980 if (!netif_running(bp->dev))
3981 return;
3982
3983 if (atomic_read(&bp->intr_sem) != 0)
3984 goto timer_restart;
3985
3986 if (poll) {
3987 struct bnx2x_fastpath *fp = &bp->fp[0];
3988 int rc;
3989
3990 bnx2x_tx_int(fp, 1000);
3991 rc = bnx2x_rx_int(fp, 1000);
3992 }
3993
3994 if (!BP_NOMCP(bp)) {
3995 int func = BP_FUNC(bp);
3996 u32 drv_pulse;
3997 u32 mcp_pulse;
3998
3999 ++bp->fw_drv_pulse_wr_seq;
4000 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
4001 /* TBD - add SYSTEM_TIME */
4002 drv_pulse = bp->fw_drv_pulse_wr_seq;
4003 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
4004
4005 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
4006 MCP_PULSE_SEQ_MASK);
4007 /* The delta between driver pulse and mcp response
4008 * should be 1 (before mcp response) or 0 (after mcp response)
4009 */
4010 if ((drv_pulse != mcp_pulse) &&
4011 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
4012 /* someone lost a heartbeat... */
4013 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
4014 drv_pulse, mcp_pulse);
4015 }
4016 }
4017
4018 if ((bp->state == BNX2X_STATE_OPEN) ||
4019 (bp->state == BNX2X_STATE_DISABLED))
4020 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
4021
4022 timer_restart:
4023 mod_timer(&bp->timer, jiffies + bp->current_interval);
4024 }
4025
4026 /* end of Statistics */
4027
4028 /* nic init */
4029
4030 /*
4031 * nic init service functions
4032 */
4033
4034 static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
4035 {
4036 int port = BP_PORT(bp);
4037
4038 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4039 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
4040 sizeof(struct ustorm_status_block)/4);
4041 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4042 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
4043 sizeof(struct cstorm_status_block)/4);
4044 }
4045
4046 static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4047 dma_addr_t mapping, int sb_id)
4048 {
4049 int port = BP_PORT(bp);
4050 int func = BP_FUNC(bp);
4051 int index;
4052 u64 section;
4053
4054 /* USTORM */
4055 section = ((u64)mapping) + offsetof(struct host_status_block,
4056 u_status_block);
4057 sb->u_status_block.status_block_id = sb_id;
4058
4059 REG_WR(bp, BAR_USTRORM_INTMEM +
4060 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4061 REG_WR(bp, BAR_USTRORM_INTMEM +
4062 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4063 U64_HI(section));
4064 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4065 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4066
4067 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4068 REG_WR16(bp, BAR_USTRORM_INTMEM +
4069 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4070
4071 /* CSTORM */
4072 section = ((u64)mapping) + offsetof(struct host_status_block,
4073 c_status_block);
4074 sb->c_status_block.status_block_id = sb_id;
4075
4076 REG_WR(bp, BAR_CSTRORM_INTMEM +
4077 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4078 REG_WR(bp, BAR_CSTRORM_INTMEM +
4079 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4080 U64_HI(section));
4081 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4082 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4083
4084 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4085 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4086 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4087
4088 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4089 }
4090
4091 static void bnx2x_zero_def_sb(struct bnx2x *bp)
4092 {
4093 int func = BP_FUNC(bp);
4094
4095 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4096 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4097 sizeof(struct ustorm_def_status_block)/4);
4098 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4099 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4100 sizeof(struct cstorm_def_status_block)/4);
4101 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4102 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4103 sizeof(struct xstorm_def_status_block)/4);
4104 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4105 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4106 sizeof(struct tstorm_def_status_block)/4);
4107 }
4108
4109 static void bnx2x_init_def_sb(struct bnx2x *bp,
4110 struct host_def_status_block *def_sb,
4111 dma_addr_t mapping, int sb_id)
4112 {
4113 int port = BP_PORT(bp);
4114 int func = BP_FUNC(bp);
4115 int index, val, reg_offset;
4116 u64 section;
4117
4118 /* ATTN */
4119 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4120 atten_status_block);
4121 def_sb->atten_status_block.status_block_id = sb_id;
4122
4123 bp->attn_state = 0;
4124
4125 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4126 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4127
4128 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4129 bp->attn_group[index].sig[0] = REG_RD(bp,
4130 reg_offset + 0x10*index);
4131 bp->attn_group[index].sig[1] = REG_RD(bp,
4132 reg_offset + 0x4 + 0x10*index);
4133 bp->attn_group[index].sig[2] = REG_RD(bp,
4134 reg_offset + 0x8 + 0x10*index);
4135 bp->attn_group[index].sig[3] = REG_RD(bp,
4136 reg_offset + 0xc + 0x10*index);
4137 }
4138
4139 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4140 HC_REG_ATTN_MSG0_ADDR_L);
4141
4142 REG_WR(bp, reg_offset, U64_LO(section));
4143 REG_WR(bp, reg_offset + 4, U64_HI(section));
4144
4145 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4146
4147 val = REG_RD(bp, reg_offset);
4148 val |= sb_id;
4149 REG_WR(bp, reg_offset, val);
4150
4151 /* USTORM */
4152 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4153 u_def_status_block);
4154 def_sb->u_def_status_block.status_block_id = sb_id;
4155
4156 REG_WR(bp, BAR_USTRORM_INTMEM +
4157 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4158 REG_WR(bp, BAR_USTRORM_INTMEM +
4159 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4160 U64_HI(section));
4161 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4162 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4163
4164 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4165 REG_WR16(bp, BAR_USTRORM_INTMEM +
4166 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4167
4168 /* CSTORM */
4169 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4170 c_def_status_block);
4171 def_sb->c_def_status_block.status_block_id = sb_id;
4172
4173 REG_WR(bp, BAR_CSTRORM_INTMEM +
4174 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4175 REG_WR(bp, BAR_CSTRORM_INTMEM +
4176 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4177 U64_HI(section));
4178 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4179 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4180
4181 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4182 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4183 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4184
4185 /* TSTORM */
4186 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4187 t_def_status_block);
4188 def_sb->t_def_status_block.status_block_id = sb_id;
4189
4190 REG_WR(bp, BAR_TSTRORM_INTMEM +
4191 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4192 REG_WR(bp, BAR_TSTRORM_INTMEM +
4193 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4194 U64_HI(section));
4195 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4196 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4197
4198 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4199 REG_WR16(bp, BAR_TSTRORM_INTMEM +
4200 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4201
4202 /* XSTORM */
4203 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4204 x_def_status_block);
4205 def_sb->x_def_status_block.status_block_id = sb_id;
4206
4207 REG_WR(bp, BAR_XSTRORM_INTMEM +
4208 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4209 REG_WR(bp, BAR_XSTRORM_INTMEM +
4210 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4211 U64_HI(section));
4212 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4213 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4214
4215 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4216 REG_WR16(bp, BAR_XSTRORM_INTMEM +
4217 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4218
4219 bp->stats_pending = 0;
4220 bp->set_mac_pending = 0;
4221
4222 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4223 }
4224
4225 static void bnx2x_update_coalesce(struct bnx2x *bp)
4226 {
4227 int port = BP_PORT(bp);
4228 int i;
4229
4230 for_each_queue(bp, i) {
4231 int sb_id = bp->fp[i].sb_id;
4232
4233 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4234 REG_WR8(bp, BAR_USTRORM_INTMEM +
4235 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4236 U_SB_ETH_RX_CQ_INDEX),
4237 bp->rx_ticks/12);
4238 REG_WR16(bp, BAR_USTRORM_INTMEM +
4239 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4240 U_SB_ETH_RX_CQ_INDEX),
4241 bp->rx_ticks ? 0 : 1);
4242 REG_WR16(bp, BAR_USTRORM_INTMEM +
4243 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4244 U_SB_ETH_RX_BD_INDEX),
4245 bp->rx_ticks ? 0 : 1);
4246
4247 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4248 REG_WR8(bp, BAR_CSTRORM_INTMEM +
4249 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4250 C_SB_ETH_TX_CQ_INDEX),
4251 bp->tx_ticks/12);
4252 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4253 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4254 C_SB_ETH_TX_CQ_INDEX),
4255 bp->tx_ticks ? 0 : 1);
4256 }
4257 }
4258
4259 static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4260 struct bnx2x_fastpath *fp, int last)
4261 {
4262 int i;
4263
4264 for (i = 0; i < last; i++) {
4265 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4266 struct sk_buff *skb = rx_buf->skb;
4267
4268 if (skb == NULL) {
4269 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4270 continue;
4271 }
4272
4273 if (fp->tpa_state[i] == BNX2X_TPA_START)
4274 pci_unmap_single(bp->pdev,
4275 pci_unmap_addr(rx_buf, mapping),
4276 bp->rx_buf_size,
4277 PCI_DMA_FROMDEVICE);
4278
4279 dev_kfree_skb(skb);
4280 rx_buf->skb = NULL;
4281 }
4282 }
4283
4284 static void bnx2x_init_rx_rings(struct bnx2x *bp)
4285 {
4286 int func = BP_FUNC(bp);
4287 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4288 ETH_MAX_AGGREGATION_QUEUES_E1H;
4289 u16 ring_prod, cqe_ring_prod;
4290 int i, j;
4291
4292 bp->rx_buf_size = bp->dev->mtu;
4293 bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4294 BCM_RX_ETH_PAYLOAD_ALIGN;
4295
4296 if (bp->flags & TPA_ENABLE_FLAG) {
4297 DP(NETIF_MSG_IFUP,
4298 "rx_buf_size %d effective_mtu %d\n",
4299 bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
4300
4301 for_each_queue(bp, j) {
4302 struct bnx2x_fastpath *fp = &bp->fp[j];
4303
4304 for (i = 0; i < max_agg_queues; i++) {
4305 fp->tpa_pool[i].skb =
4306 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4307 if (!fp->tpa_pool[i].skb) {
4308 BNX2X_ERR("Failed to allocate TPA "
4309 "skb pool for queue[%d] - "
4310 "disabling TPA on this "
4311 "queue!\n", j);
4312 bnx2x_free_tpa_pool(bp, fp, i);
4313 fp->disable_tpa = 1;
4314 break;
4315 }
4316 pci_unmap_addr_set((struct sw_rx_bd *)
4317 &bp->fp->tpa_pool[i],
4318 mapping, 0);
4319 fp->tpa_state[i] = BNX2X_TPA_STOP;
4320 }
4321 }
4322 }
4323
4324 for_each_queue(bp, j) {
4325 struct bnx2x_fastpath *fp = &bp->fp[j];
4326
4327 fp->rx_bd_cons = 0;
4328 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4329 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
4330
4331 /* "next page" elements initialization */
4332 /* SGE ring */
4333 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4334 struct eth_rx_sge *sge;
4335
4336 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4337 sge->addr_hi =
4338 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4339 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4340 sge->addr_lo =
4341 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4342 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4343 }
4344
4345 bnx2x_init_sge_ring_bit_mask(fp);
4346
4347 /* RX BD ring */
4348 for (i = 1; i <= NUM_RX_RINGS; i++) {
4349 struct eth_rx_bd *rx_bd;
4350
4351 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4352 rx_bd->addr_hi =
4353 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
4354 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4355 rx_bd->addr_lo =
4356 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4357 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4358 }
4359
4360 /* CQ ring */
4361 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4362 struct eth_rx_cqe_next_page *nextpg;
4363
4364 nextpg = (struct eth_rx_cqe_next_page *)
4365 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4366 nextpg->addr_hi =
4367 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
4368 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4369 nextpg->addr_lo =
4370 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4371 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4372 }
4373
4374 /* Allocate SGEs and initialize the ring elements */
4375 for (i = 0, ring_prod = 0;
4376 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
4377
4378 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4379 BNX2X_ERR("was only able to allocate "
4380 "%d rx sges\n", i);
4381 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4382 /* Cleanup already allocated elements */
4383 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
4384 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
4385 fp->disable_tpa = 1;
4386 ring_prod = 0;
4387 break;
4388 }
4389 ring_prod = NEXT_SGE_IDX(ring_prod);
4390 }
4391 fp->rx_sge_prod = ring_prod;
4392
4393 /* Allocate BDs and initialize BD ring */
4394 fp->rx_comp_cons = 0;
4395 cqe_ring_prod = ring_prod = 0;
4396 for (i = 0; i < bp->rx_ring_size; i++) {
4397 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4398 BNX2X_ERR("was only able to allocate "
4399 "%d rx skbs\n", i);
4400 bp->eth_stats.rx_skb_alloc_failed++;
4401 break;
4402 }
4403 ring_prod = NEXT_RX_IDX(ring_prod);
4404 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
4405 WARN_ON(ring_prod <= i);
4406 }
4407
4408 fp->rx_bd_prod = ring_prod;
4409 /* must not have more available CQEs than BDs */
4410 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4411 cqe_ring_prod);
4412 fp->rx_pkt = fp->rx_calls = 0;
4413
4414 /* Warning!
4415 * this will generate an interrupt (to the TSTORM)
4416 * must only be done after chip is initialized
4417 */
4418 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4419 fp->rx_sge_prod);
4420 if (j != 0)
4421 continue;
4422
4423 REG_WR(bp, BAR_USTRORM_INTMEM +
4424 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
4425 U64_LO(fp->rx_comp_mapping));
4426 REG_WR(bp, BAR_USTRORM_INTMEM +
4427 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
4428 U64_HI(fp->rx_comp_mapping));
4429 }
4430 }
4431
4432 static void bnx2x_init_tx_ring(struct bnx2x *bp)
4433 {
4434 int i, j;
4435
4436 for_each_queue(bp, j) {
4437 struct bnx2x_fastpath *fp = &bp->fp[j];
4438
4439 for (i = 1; i <= NUM_TX_RINGS; i++) {
4440 struct eth_tx_bd *tx_bd =
4441 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4442
4443 tx_bd->addr_hi =
4444 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
4445 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4446 tx_bd->addr_lo =
4447 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4448 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4449 }
4450
4451 fp->tx_pkt_prod = 0;
4452 fp->tx_pkt_cons = 0;
4453 fp->tx_bd_prod = 0;
4454 fp->tx_bd_cons = 0;
4455 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4456 fp->tx_pkt = 0;
4457 }
4458 }
4459
4460 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4461 {
4462 int func = BP_FUNC(bp);
4463
4464 spin_lock_init(&bp->spq_lock);
4465
4466 bp->spq_left = MAX_SPQ_PENDING;
4467 bp->spq_prod_idx = 0;
4468 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4469 bp->spq_prod_bd = bp->spq;
4470 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4471
4472 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
4473 U64_LO(bp->spq_mapping));
4474 REG_WR(bp,
4475 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
4476 U64_HI(bp->spq_mapping));
4477
4478 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
4479 bp->spq_prod_idx);
4480 }
4481
4482 static void bnx2x_init_context(struct bnx2x *bp)
4483 {
4484 int i;
4485
4486 for_each_queue(bp, i) {
4487 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4488 struct bnx2x_fastpath *fp = &bp->fp[i];
4489 u8 sb_id = FP_SB_ID(fp);
4490
4491 context->xstorm_st_context.tx_bd_page_base_hi =
4492 U64_HI(fp->tx_desc_mapping);
4493 context->xstorm_st_context.tx_bd_page_base_lo =
4494 U64_LO(fp->tx_desc_mapping);
4495 context->xstorm_st_context.db_data_addr_hi =
4496 U64_HI(fp->tx_prods_mapping);
4497 context->xstorm_st_context.db_data_addr_lo =
4498 U64_LO(fp->tx_prods_mapping);
4499 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4500 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
4501
4502 context->ustorm_st_context.common.sb_index_numbers =
4503 BNX2X_RX_SB_INDEX_NUM;
4504 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4505 context->ustorm_st_context.common.status_block_id = sb_id;
4506 context->ustorm_st_context.common.flags =
4507 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4508 context->ustorm_st_context.common.mc_alignment_size =
4509 BCM_RX_ETH_PAYLOAD_ALIGN;
4510 context->ustorm_st_context.common.bd_buff_size =
4511 bp->rx_buf_size;
4512 context->ustorm_st_context.common.bd_page_base_hi =
4513 U64_HI(fp->rx_desc_mapping);
4514 context->ustorm_st_context.common.bd_page_base_lo =
4515 U64_LO(fp->rx_desc_mapping);
4516 if (!fp->disable_tpa) {
4517 context->ustorm_st_context.common.flags |=
4518 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4519 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4520 context->ustorm_st_context.common.sge_buff_size =
4521 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4522 context->ustorm_st_context.common.sge_page_base_hi =
4523 U64_HI(fp->rx_sge_mapping);
4524 context->ustorm_st_context.common.sge_page_base_lo =
4525 U64_LO(fp->rx_sge_mapping);
4526 }
4527
4528 context->cstorm_st_context.sb_index_number =
4529 C_SB_ETH_TX_CQ_INDEX;
4530 context->cstorm_st_context.status_block_id = sb_id;
4531
4532 context->xstorm_ag_context.cdu_reserved =
4533 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4534 CDU_REGION_NUMBER_XCM_AG,
4535 ETH_CONNECTION_TYPE);
4536 context->ustorm_ag_context.cdu_usage =
4537 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4538 CDU_REGION_NUMBER_UCM_AG,
4539 ETH_CONNECTION_TYPE);
4540 }
4541 }
4542
4543 static void bnx2x_init_ind_table(struct bnx2x *bp)
4544 {
4545 int func = BP_FUNC(bp);
4546 int i;
4547
4548 if (!is_multi(bp))
4549 return;
4550
4551 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
4552 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4553 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4554 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
4555 BP_CL_ID(bp) + (i % bp->num_queues));
4556 }
4557
4558 static void bnx2x_set_client_config(struct bnx2x *bp)
4559 {
4560 struct tstorm_eth_client_config tstorm_client = {0};
4561 int port = BP_PORT(bp);
4562 int i;
4563
4564 tstorm_client.mtu = bp->dev->mtu;
4565 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4566 tstorm_client.config_flags =
4567 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4568 #ifdef BCM_VLAN
4569 if (bp->rx_mode && bp->vlgrp && (bp->flags & HW_VLAN_RX_FLAG)) {
4570 tstorm_client.config_flags |=
4571 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4572 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4573 }
4574 #endif
4575
4576 if (bp->flags & TPA_ENABLE_FLAG) {
4577 tstorm_client.max_sges_for_packet =
4578 SGE_PAGE_ALIGN(tstorm_client.mtu) >> SGE_PAGE_SHIFT;
4579 tstorm_client.max_sges_for_packet =
4580 ((tstorm_client.max_sges_for_packet +
4581 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4582 PAGES_PER_SGE_SHIFT;
4583
4584 tstorm_client.config_flags |=
4585 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4586 }
4587
4588 for_each_queue(bp, i) {
4589 REG_WR(bp, BAR_TSTRORM_INTMEM +
4590 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4591 ((u32 *)&tstorm_client)[0]);
4592 REG_WR(bp, BAR_TSTRORM_INTMEM +
4593 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4594 ((u32 *)&tstorm_client)[1]);
4595 }
4596
4597 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4598 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4599 }
4600
4601 static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4602 {
4603 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4604 int mode = bp->rx_mode;
4605 int mask = (1 << BP_L_ID(bp));
4606 int func = BP_FUNC(bp);
4607 int i;
4608
4609 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
4610
4611 switch (mode) {
4612 case BNX2X_RX_MODE_NONE: /* no Rx */
4613 tstorm_mac_filter.ucast_drop_all = mask;
4614 tstorm_mac_filter.mcast_drop_all = mask;
4615 tstorm_mac_filter.bcast_drop_all = mask;
4616 break;
4617 case BNX2X_RX_MODE_NORMAL:
4618 tstorm_mac_filter.bcast_accept_all = mask;
4619 break;
4620 case BNX2X_RX_MODE_ALLMULTI:
4621 tstorm_mac_filter.mcast_accept_all = mask;
4622 tstorm_mac_filter.bcast_accept_all = mask;
4623 break;
4624 case BNX2X_RX_MODE_PROMISC:
4625 tstorm_mac_filter.ucast_accept_all = mask;
4626 tstorm_mac_filter.mcast_accept_all = mask;
4627 tstorm_mac_filter.bcast_accept_all = mask;
4628 break;
4629 default:
4630 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4631 break;
4632 }
4633
4634 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4635 REG_WR(bp, BAR_TSTRORM_INTMEM +
4636 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
4637 ((u32 *)&tstorm_mac_filter)[i]);
4638
4639 /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
4640 ((u32 *)&tstorm_mac_filter)[i]); */
4641 }
4642
4643 if (mode != BNX2X_RX_MODE_NONE)
4644 bnx2x_set_client_config(bp);
4645 }
4646
4647 static void bnx2x_init_internal_common(struct bnx2x *bp)
4648 {
4649 int i;
4650
4651 if (bp->flags & TPA_ENABLE_FLAG) {
4652 struct tstorm_eth_tpa_exist tpa = {0};
4653
4654 tpa.tpa_exist = 1;
4655
4656 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4657 ((u32 *)&tpa)[0]);
4658 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4659 ((u32 *)&tpa)[1]);
4660 }
4661
4662 /* Zero this manually as its initialization is
4663 currently missing in the initTool */
4664 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4665 REG_WR(bp, BAR_USTRORM_INTMEM +
4666 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4667 }
4668
4669 static void bnx2x_init_internal_port(struct bnx2x *bp)
4670 {
4671 int port = BP_PORT(bp);
4672
4673 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4674 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4675 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4676 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4677 }
4678
4679 static void bnx2x_init_internal_func(struct bnx2x *bp)
4680 {
4681 struct tstorm_eth_function_common_config tstorm_config = {0};
4682 struct stats_indication_flags stats_flags = {0};
4683 int port = BP_PORT(bp);
4684 int func = BP_FUNC(bp);
4685 int i;
4686 u16 max_agg_size;
4687
4688 if (is_multi(bp)) {
4689 tstorm_config.config_flags = MULTI_FLAGS;
4690 tstorm_config.rss_result_mask = MULTI_MASK;
4691 }
4692
4693 tstorm_config.leading_client_id = BP_L_ID(bp);
4694
4695 REG_WR(bp, BAR_TSTRORM_INTMEM +
4696 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
4697 (*(u32 *)&tstorm_config));
4698
4699 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
4700 bnx2x_set_storm_rx_mode(bp);
4701
4702 /* reset xstorm per client statistics */
4703 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4704 REG_WR(bp, BAR_XSTRORM_INTMEM +
4705 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4706 i*4, 0);
4707 }
4708 /* reset tstorm per client statistics */
4709 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4710 REG_WR(bp, BAR_TSTRORM_INTMEM +
4711 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4712 i*4, 0);
4713 }
4714
4715 /* Init statistics related context */
4716 stats_flags.collect_eth = 1;
4717
4718 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
4719 ((u32 *)&stats_flags)[0]);
4720 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
4721 ((u32 *)&stats_flags)[1]);
4722
4723 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
4724 ((u32 *)&stats_flags)[0]);
4725 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
4726 ((u32 *)&stats_flags)[1]);
4727
4728 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
4729 ((u32 *)&stats_flags)[0]);
4730 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
4731 ((u32 *)&stats_flags)[1]);
4732
4733 REG_WR(bp, BAR_XSTRORM_INTMEM +
4734 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4735 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4736 REG_WR(bp, BAR_XSTRORM_INTMEM +
4737 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4738 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4739
4740 REG_WR(bp, BAR_TSTRORM_INTMEM +
4741 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4742 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4743 REG_WR(bp, BAR_TSTRORM_INTMEM +
4744 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4745 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4746
4747 if (CHIP_IS_E1H(bp)) {
4748 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4749 IS_E1HMF(bp));
4750 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4751 IS_E1HMF(bp));
4752 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4753 IS_E1HMF(bp));
4754 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4755 IS_E1HMF(bp));
4756
4757 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4758 bp->e1hov);
4759 }
4760
4761 /* Init CQ ring mapping and aggregation size, the FW limit is 8 frags */
4762 max_agg_size =
4763 min((u32)(min((u32)8, (u32)MAX_SKB_FRAGS) *
4764 SGE_PAGE_SIZE * PAGES_PER_SGE),
4765 (u32)0xffff);
4766 for_each_queue(bp, i) {
4767 struct bnx2x_fastpath *fp = &bp->fp[i];
4768
4769 REG_WR(bp, BAR_USTRORM_INTMEM +
4770 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4771 U64_LO(fp->rx_comp_mapping));
4772 REG_WR(bp, BAR_USTRORM_INTMEM +
4773 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4774 U64_HI(fp->rx_comp_mapping));
4775
4776 REG_WR16(bp, BAR_USTRORM_INTMEM +
4777 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4778 max_agg_size);
4779 }
4780 }
4781
4782 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4783 {
4784 switch (load_code) {
4785 case FW_MSG_CODE_DRV_LOAD_COMMON:
4786 bnx2x_init_internal_common(bp);
4787 /* no break */
4788
4789 case FW_MSG_CODE_DRV_LOAD_PORT:
4790 bnx2x_init_internal_port(bp);
4791 /* no break */
4792
4793 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4794 bnx2x_init_internal_func(bp);
4795 break;
4796
4797 default:
4798 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4799 break;
4800 }
4801 }
4802
4803 static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4804 {
4805 int i;
4806
4807 for_each_queue(bp, i) {
4808 struct bnx2x_fastpath *fp = &bp->fp[i];
4809
4810 fp->bp = bp;
4811 fp->state = BNX2X_FP_STATE_CLOSED;
4812 fp->index = i;
4813 fp->cl_id = BP_L_ID(bp) + i;
4814 fp->sb_id = fp->cl_id;
4815 DP(NETIF_MSG_IFUP,
4816 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4817 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4818 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4819 FP_SB_ID(fp));
4820 bnx2x_update_fpsb_idx(fp);
4821 }
4822
4823 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4824 DEF_SB_ID);
4825 bnx2x_update_dsb_idx(bp);
4826 bnx2x_update_coalesce(bp);
4827 bnx2x_init_rx_rings(bp);
4828 bnx2x_init_tx_ring(bp);
4829 bnx2x_init_sp_ring(bp);
4830 bnx2x_init_context(bp);
4831 bnx2x_init_internal(bp, load_code);
4832 bnx2x_init_ind_table(bp);
4833 bnx2x_stats_init(bp);
4834
4835 /* At this point, we are ready for interrupts */
4836 atomic_set(&bp->intr_sem, 0);
4837
4838 /* flush all before enabling interrupts */
4839 mb();
4840 mmiowb();
4841
4842 bnx2x_int_enable(bp);
4843 }
4844
4845 /* end of nic init */
4846
4847 /*
4848 * gzip service functions
4849 */
4850
4851 static int bnx2x_gunzip_init(struct bnx2x *bp)
4852 {
4853 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4854 &bp->gunzip_mapping);
4855 if (bp->gunzip_buf == NULL)
4856 goto gunzip_nomem1;
4857
4858 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4859 if (bp->strm == NULL)
4860 goto gunzip_nomem2;
4861
4862 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4863 GFP_KERNEL);
4864 if (bp->strm->workspace == NULL)
4865 goto gunzip_nomem3;
4866
4867 return 0;
4868
4869 gunzip_nomem3:
4870 kfree(bp->strm);
4871 bp->strm = NULL;
4872
4873 gunzip_nomem2:
4874 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4875 bp->gunzip_mapping);
4876 bp->gunzip_buf = NULL;
4877
4878 gunzip_nomem1:
4879 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
4880 " un-compression\n", bp->dev->name);
4881 return -ENOMEM;
4882 }
4883
4884 static void bnx2x_gunzip_end(struct bnx2x *bp)
4885 {
4886 kfree(bp->strm->workspace);
4887
4888 kfree(bp->strm);
4889 bp->strm = NULL;
4890
4891 if (bp->gunzip_buf) {
4892 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4893 bp->gunzip_mapping);
4894 bp->gunzip_buf = NULL;
4895 }
4896 }
4897
4898 static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4899 {
4900 int n, rc;
4901
4902 /* check gzip header */
4903 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4904 return -EINVAL;
4905
4906 n = 10;
4907
4908 #define FNAME 0x8
4909
4910 if (zbuf[3] & FNAME)
4911 while ((zbuf[n++] != 0) && (n < len));
4912
4913 bp->strm->next_in = zbuf + n;
4914 bp->strm->avail_in = len - n;
4915 bp->strm->next_out = bp->gunzip_buf;
4916 bp->strm->avail_out = FW_BUF_SIZE;
4917
4918 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4919 if (rc != Z_OK)
4920 return rc;
4921
4922 rc = zlib_inflate(bp->strm, Z_FINISH);
4923 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4924 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4925 bp->dev->name, bp->strm->msg);
4926
4927 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4928 if (bp->gunzip_outlen & 0x3)
4929 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4930 " gunzip_outlen (%d) not aligned\n",
4931 bp->dev->name, bp->gunzip_outlen);
4932 bp->gunzip_outlen >>= 2;
4933
4934 zlib_inflateEnd(bp->strm);
4935
4936 if (rc == Z_STREAM_END)
4937 return 0;
4938
4939 return rc;
4940 }
4941
4942 /* nic load/unload */
4943
4944 /*
4945 * General service functions
4946 */
4947
4948 /* send a NIG loopback debug packet */
4949 static void bnx2x_lb_pckt(struct bnx2x *bp)
4950 {
4951 u32 wb_write[3];
4952
4953 /* Ethernet source and destination addresses */
4954 wb_write[0] = 0x55555555;
4955 wb_write[1] = 0x55555555;
4956 wb_write[2] = 0x20; /* SOP */
4957 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4958
4959 /* NON-IP protocol */
4960 wb_write[0] = 0x09000000;
4961 wb_write[1] = 0x55555555;
4962 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
4963 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4964 }
4965
4966 /* some of the internal memories
4967 * are not directly readable from the driver
4968 * to test them we send debug packets
4969 */
4970 static int bnx2x_int_mem_test(struct bnx2x *bp)
4971 {
4972 int factor;
4973 int count, i;
4974 u32 val = 0;
4975
4976 if (CHIP_REV_IS_FPGA(bp))
4977 factor = 120;
4978 else if (CHIP_REV_IS_EMUL(bp))
4979 factor = 200;
4980 else
4981 factor = 1;
4982
4983 DP(NETIF_MSG_HW, "start part1\n");
4984
4985 /* Disable inputs of parser neighbor blocks */
4986 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4987 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4988 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4989 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4990
4991 /* Write 0 to parser credits for CFC search request */
4992 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4993
4994 /* send Ethernet packet */
4995 bnx2x_lb_pckt(bp);
4996
4997 /* TODO do i reset NIG statistic? */
4998 /* Wait until NIG register shows 1 packet of size 0x10 */
4999 count = 1000 * factor;
5000 while (count) {
5001
5002 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5003 val = *bnx2x_sp(bp, wb_data[0]);
5004 if (val == 0x10)
5005 break;
5006
5007 msleep(10);
5008 count--;
5009 }
5010 if (val != 0x10) {
5011 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5012 return -1;
5013 }
5014
5015 /* Wait until PRS register shows 1 packet */
5016 count = 1000 * factor;
5017 while (count) {
5018 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5019 if (val == 1)
5020 break;
5021
5022 msleep(10);
5023 count--;
5024 }
5025 if (val != 0x1) {
5026 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5027 return -2;
5028 }
5029
5030 /* Reset and init BRB, PRS */
5031 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5032 msleep(50);
5033 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5034 msleep(50);
5035 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5036 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5037
5038 DP(NETIF_MSG_HW, "part2\n");
5039
5040 /* Disable inputs of parser neighbor blocks */
5041 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5042 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5043 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
5044 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
5045
5046 /* Write 0 to parser credits for CFC search request */
5047 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5048
5049 /* send 10 Ethernet packets */
5050 for (i = 0; i < 10; i++)
5051 bnx2x_lb_pckt(bp);
5052
5053 /* Wait until NIG register shows 10 + 1
5054 packets of size 11*0x10 = 0xb0 */
5055 count = 1000 * factor;
5056 while (count) {
5057
5058 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5059 val = *bnx2x_sp(bp, wb_data[0]);
5060 if (val == 0xb0)
5061 break;
5062
5063 msleep(10);
5064 count--;
5065 }
5066 if (val != 0xb0) {
5067 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5068 return -3;
5069 }
5070
5071 /* Wait until PRS register shows 2 packets */
5072 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5073 if (val != 2)
5074 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5075
5076 /* Write 1 to parser credits for CFC search request */
5077 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5078
5079 /* Wait until PRS register shows 3 packets */
5080 msleep(10 * factor);
5081 /* Wait until NIG register shows 1 packet of size 0x10 */
5082 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5083 if (val != 3)
5084 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5085
5086 /* clear NIG EOP FIFO */
5087 for (i = 0; i < 11; i++)
5088 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5089 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5090 if (val != 1) {
5091 BNX2X_ERR("clear of NIG failed\n");
5092 return -4;
5093 }
5094
5095 /* Reset and init BRB, PRS, NIG */
5096 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5097 msleep(50);
5098 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5099 msleep(50);
5100 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5101 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5102 #ifndef BCM_ISCSI
5103 /* set NIC mode */
5104 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5105 #endif
5106
5107 /* Enable inputs of parser neighbor blocks */
5108 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5109 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5110 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5111 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
5112
5113 DP(NETIF_MSG_HW, "done\n");
5114
5115 return 0; /* OK */
5116 }
5117
5118 static void enable_blocks_attention(struct bnx2x *bp)
5119 {
5120 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5121 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5122 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5123 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5124 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5125 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5126 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5127 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5128 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
5129 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5130 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
5131 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5132 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5133 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
5134 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5135 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
5136 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5137 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5138 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5139 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
5140 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5141 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5142 if (CHIP_REV_IS_FPGA(bp))
5143 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5144 else
5145 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
5146 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5147 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5148 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
5149 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5150 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
5151 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5152 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5153 /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5154 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
5155 }
5156
5157
5158 static void bnx2x_reset_common(struct bnx2x *bp)
5159 {
5160 /* reset_common */
5161 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5162 0xd3ffff7f);
5163 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
5164 }
5165
5166 static int bnx2x_init_common(struct bnx2x *bp)
5167 {
5168 u32 val, i;
5169
5170 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5171
5172 bnx2x_reset_common(bp);
5173 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5174 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5175
5176 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5177 if (CHIP_IS_E1H(bp))
5178 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5179
5180 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5181 msleep(30);
5182 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5183
5184 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5185 if (CHIP_IS_E1(bp)) {
5186 /* enable HW interrupt from PXP on USDM overflow
5187 bit 16 on INT_MASK_0 */
5188 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5189 }
5190
5191 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5192 bnx2x_init_pxp(bp);
5193
5194 #ifdef __BIG_ENDIAN
5195 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5196 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5197 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5198 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5199 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5200
5201 /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5202 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5203 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5204 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5205 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5206 #endif
5207
5208 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
5209 #ifdef BCM_ISCSI
5210 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5211 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5212 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
5213 #endif
5214
5215 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5216 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5217
5218 /* let the HW do it's magic ... */
5219 msleep(100);
5220 /* finish PXP init */
5221 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5222 if (val != 1) {
5223 BNX2X_ERR("PXP2 CFG failed\n");
5224 return -EBUSY;
5225 }
5226 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5227 if (val != 1) {
5228 BNX2X_ERR("PXP2 RD_INIT failed\n");
5229 return -EBUSY;
5230 }
5231
5232 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5233 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5234
5235 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
5236
5237 /* clean the DMAE memory */
5238 bp->dmae_ready = 1;
5239 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5240
5241 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5242 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5243 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5244 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
5245
5246 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5247 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5248 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5249 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5250
5251 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5252 /* soft reset pulse */
5253 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5254 REG_WR(bp, QM_REG_SOFT_RESET, 0);
5255
5256 #ifdef BCM_ISCSI
5257 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
5258 #endif
5259
5260 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5261 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5262 if (!CHIP_REV_IS_SLOW(bp)) {
5263 /* enable hw interrupt from doorbell Q */
5264 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5265 }
5266
5267 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5268 if (CHIP_REV_IS_SLOW(bp)) {
5269 /* fix for emulation and FPGA for no pause */
5270 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5271 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5272 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5273 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5274 }
5275
5276 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5277 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5278 /* set NIC mode */
5279 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5280 if (CHIP_IS_E1H(bp))
5281 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
5282
5283 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5284 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5285 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5286 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
5287
5288 if (CHIP_IS_E1H(bp)) {
5289 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5290 STORM_INTMEM_SIZE_E1H/2);
5291 bnx2x_init_fill(bp,
5292 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5293 0, STORM_INTMEM_SIZE_E1H/2);
5294 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5295 STORM_INTMEM_SIZE_E1H/2);
5296 bnx2x_init_fill(bp,
5297 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5298 0, STORM_INTMEM_SIZE_E1H/2);
5299 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5300 STORM_INTMEM_SIZE_E1H/2);
5301 bnx2x_init_fill(bp,
5302 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5303 0, STORM_INTMEM_SIZE_E1H/2);
5304 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5305 STORM_INTMEM_SIZE_E1H/2);
5306 bnx2x_init_fill(bp,
5307 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5308 0, STORM_INTMEM_SIZE_E1H/2);
5309 } else { /* E1 */
5310 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5311 STORM_INTMEM_SIZE_E1);
5312 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5313 STORM_INTMEM_SIZE_E1);
5314 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5315 STORM_INTMEM_SIZE_E1);
5316 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5317 STORM_INTMEM_SIZE_E1);
5318 }
5319
5320 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5321 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5322 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5323 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
5324
5325 /* sync semi rtc */
5326 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5327 0x80000000);
5328 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5329 0x80000000);
5330
5331 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5332 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5333 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
5334
5335 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5336 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5337 REG_WR(bp, i, 0xc0cac01a);
5338 /* TODO: replace with something meaningful */
5339 }
5340 if (CHIP_IS_E1H(bp))
5341 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5342 REG_WR(bp, SRC_REG_SOFT_RST, 0);
5343
5344 if (sizeof(union cdu_context) != 1024)
5345 /* we currently assume that a context is 1024 bytes */
5346 printk(KERN_ALERT PFX "please adjust the size of"
5347 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
5348
5349 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5350 val = (4 << 24) + (0 << 12) + 1024;
5351 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5352 if (CHIP_IS_E1(bp)) {
5353 /* !!! fix pxp client crdit until excel update */
5354 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5355 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5356 }
5357
5358 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5359 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5360
5361 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5362 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
5363
5364 /* PXPCS COMMON comes here */
5365 /* Reset PCIE errors for debug */
5366 REG_WR(bp, 0x2814, 0xffffffff);
5367 REG_WR(bp, 0x3820, 0xffffffff);
5368
5369 /* EMAC0 COMMON comes here */
5370 /* EMAC1 COMMON comes here */
5371 /* DBU COMMON comes here */
5372 /* DBG COMMON comes here */
5373
5374 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5375 if (CHIP_IS_E1H(bp)) {
5376 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5377 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5378 }
5379
5380 if (CHIP_REV_IS_SLOW(bp))
5381 msleep(200);
5382
5383 /* finish CFC init */
5384 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5385 if (val != 1) {
5386 BNX2X_ERR("CFC LL_INIT failed\n");
5387 return -EBUSY;
5388 }
5389 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5390 if (val != 1) {
5391 BNX2X_ERR("CFC AC_INIT failed\n");
5392 return -EBUSY;
5393 }
5394 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5395 if (val != 1) {
5396 BNX2X_ERR("CFC CAM_INIT failed\n");
5397 return -EBUSY;
5398 }
5399 REG_WR(bp, CFC_REG_DEBUG0, 0);
5400
5401 /* read NIG statistic
5402 to see if this is our first up since powerup */
5403 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5404 val = *bnx2x_sp(bp, wb_data[0]);
5405
5406 /* do internal memory self test */
5407 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5408 BNX2X_ERR("internal mem self test failed\n");
5409 return -EBUSY;
5410 }
5411
5412 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5413 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5414 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5415 /* Fan failure is indicated by SPIO 5 */
5416 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5417 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5418
5419 /* set to active low mode */
5420 val = REG_RD(bp, MISC_REG_SPIO_INT);
5421 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
5422 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5423 REG_WR(bp, MISC_REG_SPIO_INT, val);
5424
5425 /* enable interrupt to signal the IGU */
5426 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5427 val |= (1 << MISC_REGISTERS_SPIO_5);
5428 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5429 break;
5430
5431 default:
5432 break;
5433 }
5434
5435 /* clear PXP2 attentions */
5436 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5437
5438 enable_blocks_attention(bp);
5439
5440 if (!BP_NOMCP(bp)) {
5441 bnx2x_acquire_phy_lock(bp);
5442 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5443 bnx2x_release_phy_lock(bp);
5444 } else
5445 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5446
5447 return 0;
5448 }
5449
5450 static int bnx2x_init_port(struct bnx2x *bp)
5451 {
5452 int port = BP_PORT(bp);
5453 u32 val;
5454
5455 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5456
5457 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5458
5459 /* Port PXP comes here */
5460 /* Port PXP2 comes here */
5461 #ifdef BCM_ISCSI
5462 /* Port0 1
5463 * Port1 385 */
5464 i++;
5465 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5466 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5467 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5468 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5469
5470 /* Port0 2
5471 * Port1 386 */
5472 i++;
5473 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5474 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5475 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5476 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5477
5478 /* Port0 3
5479 * Port1 387 */
5480 i++;
5481 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5482 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5483 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5484 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5485 #endif
5486 /* Port CMs come here */
5487
5488 /* Port QM comes here */
5489 #ifdef BCM_ISCSI
5490 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5491 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5492
5493 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5494 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5495 #endif
5496 /* Port DQ comes here */
5497 /* Port BRB1 comes here */
5498 /* Port PRS comes here */
5499 /* Port TSDM comes here */
5500 /* Port CSDM comes here */
5501 /* Port USDM comes here */
5502 /* Port XSDM comes here */
5503 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5504 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5505 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5506 port ? USEM_PORT1_END : USEM_PORT0_END);
5507 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5508 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5509 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5510 port ? XSEM_PORT1_END : XSEM_PORT0_END);
5511 /* Port UPB comes here */
5512 /* Port XPB comes here */
5513
5514 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5515 port ? PBF_PORT1_END : PBF_PORT0_END);
5516
5517 /* configure PBF to work without PAUSE mtu 9000 */
5518 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5519
5520 /* update threshold */
5521 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5522 /* update init credit */
5523 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5524
5525 /* probe changes */
5526 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5527 msleep(5);
5528 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5529
5530 #ifdef BCM_ISCSI
5531 /* tell the searcher where the T2 table is */
5532 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5533
5534 wb_write[0] = U64_LO(bp->t2_mapping);
5535 wb_write[1] = U64_HI(bp->t2_mapping);
5536 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5537 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5538 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5539 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5540
5541 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5542 /* Port SRCH comes here */
5543 #endif
5544 /* Port CDU comes here */
5545 /* Port CFC comes here */
5546
5547 if (CHIP_IS_E1(bp)) {
5548 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5549 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5550 }
5551 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5552 port ? HC_PORT1_END : HC_PORT0_END);
5553
5554 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
5555 MISC_AEU_PORT0_START,
5556 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5557 /* init aeu_mask_attn_func_0/1:
5558 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5559 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5560 * bits 4-7 are used for "per vn group attention" */
5561 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5562 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5563
5564 /* Port PXPCS comes here */
5565 /* Port EMAC0 comes here */
5566 /* Port EMAC1 comes here */
5567 /* Port DBU comes here */
5568 /* Port DBG comes here */
5569 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5570 port ? NIG_PORT1_END : NIG_PORT0_END);
5571
5572 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5573
5574 if (CHIP_IS_E1H(bp)) {
5575 u32 wsum;
5576 struct cmng_struct_per_port m_cmng_port;
5577 int vn;
5578
5579 /* 0x2 disable e1hov, 0x1 enable */
5580 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5581 (IS_E1HMF(bp) ? 0x1 : 0x2));
5582
5583 /* Init RATE SHAPING and FAIRNESS contexts.
5584 Initialize as if there is 10G link. */
5585 wsum = bnx2x_calc_vn_wsum(bp);
5586 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5587 if (IS_E1HMF(bp))
5588 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5589 bnx2x_init_vn_minmax(bp, 2*vn + port,
5590 wsum, 10000, &m_cmng_port);
5591 }
5592
5593 /* Port MCP comes here */
5594 /* Port DMAE comes here */
5595
5596 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5597 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5598 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5599 /* add SPIO 5 to group 0 */
5600 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5601 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5602 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5603 break;
5604
5605 default:
5606 break;
5607 }
5608
5609 bnx2x__link_reset(bp);
5610
5611 return 0;
5612 }
5613
5614 #define ILT_PER_FUNC (768/2)
5615 #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5616 /* the phys address is shifted right 12 bits and has an added
5617 1=valid bit added to the 53rd bit
5618 then since this is a wide register(TM)
5619 we split it into two 32 bit writes
5620 */
5621 #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5622 #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5623 #define PXP_ONE_ILT(x) (((x) << 10) | x)
5624 #define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5625
5626 #define CNIC_ILT_LINES 0
5627
5628 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5629 {
5630 int reg;
5631
5632 if (CHIP_IS_E1H(bp))
5633 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5634 else /* E1 */
5635 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5636
5637 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5638 }
5639
5640 static int bnx2x_init_func(struct bnx2x *bp)
5641 {
5642 int port = BP_PORT(bp);
5643 int func = BP_FUNC(bp);
5644 int i;
5645
5646 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5647
5648 i = FUNC_ILT_BASE(func);
5649
5650 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5651 if (CHIP_IS_E1H(bp)) {
5652 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5653 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5654 } else /* E1 */
5655 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5656 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5657
5658
5659 if (CHIP_IS_E1H(bp)) {
5660 for (i = 0; i < 9; i++)
5661 bnx2x_init_block(bp,
5662 cm_start[func][i], cm_end[func][i]);
5663
5664 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5665 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5666 }
5667
5668 /* HC init per function */
5669 if (CHIP_IS_E1H(bp)) {
5670 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5671
5672 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5673 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5674 }
5675 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5676
5677 if (CHIP_IS_E1H(bp))
5678 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5679
5680 /* Reset PCIE errors for debug */
5681 REG_WR(bp, 0x2114, 0xffffffff);
5682 REG_WR(bp, 0x2120, 0xffffffff);
5683
5684 return 0;
5685 }
5686
5687 static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5688 {
5689 int i, rc = 0;
5690
5691 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5692 BP_FUNC(bp), load_code);
5693
5694 bp->dmae_ready = 0;
5695 mutex_init(&bp->dmae_mutex);
5696 bnx2x_gunzip_init(bp);
5697
5698 switch (load_code) {
5699 case FW_MSG_CODE_DRV_LOAD_COMMON:
5700 rc = bnx2x_init_common(bp);
5701 if (rc)
5702 goto init_hw_err;
5703 /* no break */
5704
5705 case FW_MSG_CODE_DRV_LOAD_PORT:
5706 bp->dmae_ready = 1;
5707 rc = bnx2x_init_port(bp);
5708 if (rc)
5709 goto init_hw_err;
5710 /* no break */
5711
5712 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5713 bp->dmae_ready = 1;
5714 rc = bnx2x_init_func(bp);
5715 if (rc)
5716 goto init_hw_err;
5717 break;
5718
5719 default:
5720 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5721 break;
5722 }
5723
5724 if (!BP_NOMCP(bp)) {
5725 int func = BP_FUNC(bp);
5726
5727 bp->fw_drv_pulse_wr_seq =
5728 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5729 DRV_PULSE_SEQ_MASK);
5730 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5731 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5732 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5733 } else
5734 bp->func_stx = 0;
5735
5736 /* this needs to be done before gunzip end */
5737 bnx2x_zero_def_sb(bp);
5738 for_each_queue(bp, i)
5739 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5740
5741 init_hw_err:
5742 bnx2x_gunzip_end(bp);
5743
5744 return rc;
5745 }
5746
5747 /* send the MCP a request, block until there is a reply */
5748 static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5749 {
5750 int func = BP_FUNC(bp);
5751 u32 seq = ++bp->fw_seq;
5752 u32 rc = 0;
5753 u32 cnt = 1;
5754 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
5755
5756 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
5757 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
5758
5759 do {
5760 /* let the FW do it's magic ... */
5761 msleep(delay);
5762
5763 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
5764
5765 /* Give the FW up to 2 second (200*10ms) */
5766 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5767
5768 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5769 cnt*delay, rc, seq);
5770
5771 /* is this a reply to our command? */
5772 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5773 rc &= FW_MSG_CODE_MASK;
5774
5775 } else {
5776 /* FW BUG! */
5777 BNX2X_ERR("FW failed to respond!\n");
5778 bnx2x_fw_dump(bp);
5779 rc = 0;
5780 }
5781
5782 return rc;
5783 }
5784
5785 static void bnx2x_free_mem(struct bnx2x *bp)
5786 {
5787
5788 #define BNX2X_PCI_FREE(x, y, size) \
5789 do { \
5790 if (x) { \
5791 pci_free_consistent(bp->pdev, size, x, y); \
5792 x = NULL; \
5793 y = 0; \
5794 } \
5795 } while (0)
5796
5797 #define BNX2X_FREE(x) \
5798 do { \
5799 if (x) { \
5800 vfree(x); \
5801 x = NULL; \
5802 } \
5803 } while (0)
5804
5805 int i;
5806
5807 /* fastpath */
5808 for_each_queue(bp, i) {
5809
5810 /* Status blocks */
5811 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5812 bnx2x_fp(bp, i, status_blk_mapping),
5813 sizeof(struct host_status_block) +
5814 sizeof(struct eth_tx_db_data));
5815
5816 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5817 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5818 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5819 bnx2x_fp(bp, i, tx_desc_mapping),
5820 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5821
5822 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5823 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5824 bnx2x_fp(bp, i, rx_desc_mapping),
5825 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5826
5827 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5828 bnx2x_fp(bp, i, rx_comp_mapping),
5829 sizeof(struct eth_fast_path_rx_cqe) *
5830 NUM_RCQ_BD);
5831
5832 /* SGE ring */
5833 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5834 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5835 bnx2x_fp(bp, i, rx_sge_mapping),
5836 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5837 }
5838 /* end of fastpath */
5839
5840 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5841 sizeof(struct host_def_status_block));
5842
5843 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5844 sizeof(struct bnx2x_slowpath));
5845
5846 #ifdef BCM_ISCSI
5847 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5848 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5849 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5850 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5851 #endif
5852 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
5853
5854 #undef BNX2X_PCI_FREE
5855 #undef BNX2X_KFREE
5856 }
5857
5858 static int bnx2x_alloc_mem(struct bnx2x *bp)
5859 {
5860
5861 #define BNX2X_PCI_ALLOC(x, y, size) \
5862 do { \
5863 x = pci_alloc_consistent(bp->pdev, size, y); \
5864 if (x == NULL) \
5865 goto alloc_mem_err; \
5866 memset(x, 0, size); \
5867 } while (0)
5868
5869 #define BNX2X_ALLOC(x, size) \
5870 do { \
5871 x = vmalloc(size); \
5872 if (x == NULL) \
5873 goto alloc_mem_err; \
5874 memset(x, 0, size); \
5875 } while (0)
5876
5877 int i;
5878
5879 /* fastpath */
5880 for_each_queue(bp, i) {
5881 bnx2x_fp(bp, i, bp) = bp;
5882
5883 /* Status blocks */
5884 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5885 &bnx2x_fp(bp, i, status_blk_mapping),
5886 sizeof(struct host_status_block) +
5887 sizeof(struct eth_tx_db_data));
5888
5889 bnx2x_fp(bp, i, hw_tx_prods) =
5890 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5891
5892 bnx2x_fp(bp, i, tx_prods_mapping) =
5893 bnx2x_fp(bp, i, status_blk_mapping) +
5894 sizeof(struct host_status_block);
5895
5896 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5897 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5898 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5899 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5900 &bnx2x_fp(bp, i, tx_desc_mapping),
5901 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5902
5903 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5904 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5905 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5906 &bnx2x_fp(bp, i, rx_desc_mapping),
5907 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5908
5909 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5910 &bnx2x_fp(bp, i, rx_comp_mapping),
5911 sizeof(struct eth_fast_path_rx_cqe) *
5912 NUM_RCQ_BD);
5913
5914 /* SGE ring */
5915 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5916 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5917 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5918 &bnx2x_fp(bp, i, rx_sge_mapping),
5919 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5920 }
5921 /* end of fastpath */
5922
5923 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5924 sizeof(struct host_def_status_block));
5925
5926 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5927 sizeof(struct bnx2x_slowpath));
5928
5929 #ifdef BCM_ISCSI
5930 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5931
5932 /* Initialize T1 */
5933 for (i = 0; i < 64*1024; i += 64) {
5934 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5935 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5936 }
5937
5938 /* allocate searcher T2 table
5939 we allocate 1/4 of alloc num for T2
5940 (which is not entered into the ILT) */
5941 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5942
5943 /* Initialize T2 */
5944 for (i = 0; i < 16*1024; i += 64)
5945 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5946
5947 /* now fixup the last line in the block to point to the next block */
5948 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5949
5950 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5951 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5952
5953 /* QM queues (128*MAX_CONN) */
5954 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5955 #endif
5956
5957 /* Slow path ring */
5958 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5959
5960 return 0;
5961
5962 alloc_mem_err:
5963 bnx2x_free_mem(bp);
5964 return -ENOMEM;
5965
5966 #undef BNX2X_PCI_ALLOC
5967 #undef BNX2X_ALLOC
5968 }
5969
5970 static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5971 {
5972 int i;
5973
5974 for_each_queue(bp, i) {
5975 struct bnx2x_fastpath *fp = &bp->fp[i];
5976
5977 u16 bd_cons = fp->tx_bd_cons;
5978 u16 sw_prod = fp->tx_pkt_prod;
5979 u16 sw_cons = fp->tx_pkt_cons;
5980
5981 while (sw_cons != sw_prod) {
5982 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5983 sw_cons++;
5984 }
5985 }
5986 }
5987
5988 static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5989 {
5990 int i, j;
5991
5992 for_each_queue(bp, j) {
5993 struct bnx2x_fastpath *fp = &bp->fp[j];
5994
5995 for (i = 0; i < NUM_RX_BD; i++) {
5996 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5997 struct sk_buff *skb = rx_buf->skb;
5998
5999 if (skb == NULL)
6000 continue;
6001
6002 pci_unmap_single(bp->pdev,
6003 pci_unmap_addr(rx_buf, mapping),
6004 bp->rx_buf_size,
6005 PCI_DMA_FROMDEVICE);
6006
6007 rx_buf->skb = NULL;
6008 dev_kfree_skb(skb);
6009 }
6010 if (!fp->disable_tpa)
6011 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
6012 ETH_MAX_AGGREGATION_QUEUES_E1 :
6013 ETH_MAX_AGGREGATION_QUEUES_E1H);
6014 }
6015 }
6016
6017 static void bnx2x_free_skbs(struct bnx2x *bp)
6018 {
6019 bnx2x_free_tx_skbs(bp);
6020 bnx2x_free_rx_skbs(bp);
6021 }
6022
6023 static void bnx2x_free_msix_irqs(struct bnx2x *bp)
6024 {
6025 int i, offset = 1;
6026
6027 free_irq(bp->msix_table[0].vector, bp->dev);
6028 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
6029 bp->msix_table[0].vector);
6030
6031 for_each_queue(bp, i) {
6032 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
6033 "state %x\n", i, bp->msix_table[i + offset].vector,
6034 bnx2x_fp(bp, i, state));
6035
6036 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
6037 BNX2X_ERR("IRQ of fp #%d being freed while "
6038 "state != closed\n", i);
6039
6040 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
6041 }
6042 }
6043
6044 static void bnx2x_free_irq(struct bnx2x *bp)
6045 {
6046 if (bp->flags & USING_MSIX_FLAG) {
6047 bnx2x_free_msix_irqs(bp);
6048 pci_disable_msix(bp->pdev);
6049 bp->flags &= ~USING_MSIX_FLAG;
6050
6051 } else
6052 free_irq(bp->pdev->irq, bp->dev);
6053 }
6054
6055 static int bnx2x_enable_msix(struct bnx2x *bp)
6056 {
6057 int i, rc, offset;
6058
6059 bp->msix_table[0].entry = 0;
6060 offset = 1;
6061 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
6062
6063 for_each_queue(bp, i) {
6064 int igu_vec = offset + i + BP_L_ID(bp);
6065
6066 bp->msix_table[i + offset].entry = igu_vec;
6067 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6068 "(fastpath #%u)\n", i + offset, igu_vec, i);
6069 }
6070
6071 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6072 bp->num_queues + offset);
6073 if (rc) {
6074 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6075 return -1;
6076 }
6077 bp->flags |= USING_MSIX_FLAG;
6078
6079 return 0;
6080 }
6081
6082 static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6083 {
6084 int i, rc, offset = 1;
6085
6086 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6087 bp->dev->name, bp->dev);
6088 if (rc) {
6089 BNX2X_ERR("request sp irq failed\n");
6090 return -EBUSY;
6091 }
6092
6093 for_each_queue(bp, i) {
6094 rc = request_irq(bp->msix_table[i + offset].vector,
6095 bnx2x_msix_fp_int, 0,
6096 bp->dev->name, &bp->fp[i]);
6097 if (rc) {
6098 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6099 i + offset, -rc);
6100 bnx2x_free_msix_irqs(bp);
6101 return -EBUSY;
6102 }
6103
6104 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
6105 }
6106
6107 return 0;
6108 }
6109
6110 static int bnx2x_req_irq(struct bnx2x *bp)
6111 {
6112 int rc;
6113
6114 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6115 bp->dev->name, bp->dev);
6116 if (!rc)
6117 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6118
6119 return rc;
6120 }
6121
6122 static void bnx2x_napi_enable(struct bnx2x *bp)
6123 {
6124 int i;
6125
6126 for_each_queue(bp, i)
6127 napi_enable(&bnx2x_fp(bp, i, napi));
6128 }
6129
6130 static void bnx2x_napi_disable(struct bnx2x *bp)
6131 {
6132 int i;
6133
6134 for_each_queue(bp, i)
6135 napi_disable(&bnx2x_fp(bp, i, napi));
6136 }
6137
6138 static void bnx2x_netif_start(struct bnx2x *bp)
6139 {
6140 if (atomic_dec_and_test(&bp->intr_sem)) {
6141 if (netif_running(bp->dev)) {
6142 if (bp->state == BNX2X_STATE_OPEN)
6143 netif_wake_queue(bp->dev);
6144 bnx2x_napi_enable(bp);
6145 bnx2x_int_enable(bp);
6146 }
6147 }
6148 }
6149
6150 static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
6151 {
6152 bnx2x_int_disable_sync(bp, disable_hw);
6153 bnx2x_napi_disable(bp);
6154 if (netif_running(bp->dev)) {
6155 netif_tx_disable(bp->dev);
6156 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6157 }
6158 }
6159
6160 /*
6161 * Init service functions
6162 */
6163
6164 static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
6165 {
6166 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6167 int port = BP_PORT(bp);
6168
6169 /* CAM allocation
6170 * unicasts 0-31:port0 32-63:port1
6171 * multicast 64-127:port0 128-191:port1
6172 */
6173 config->hdr.length_6b = 2;
6174 config->hdr.offset = port ? 32 : 0;
6175 config->hdr.client_id = BP_CL_ID(bp);
6176 config->hdr.reserved1 = 0;
6177
6178 /* primary MAC */
6179 config->config_table[0].cam_entry.msb_mac_addr =
6180 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6181 config->config_table[0].cam_entry.middle_mac_addr =
6182 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6183 config->config_table[0].cam_entry.lsb_mac_addr =
6184 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6185 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
6186 if (set)
6187 config->config_table[0].target_table_entry.flags = 0;
6188 else
6189 CAM_INVALIDATE(config->config_table[0]);
6190 config->config_table[0].target_table_entry.client_id = 0;
6191 config->config_table[0].target_table_entry.vlan_id = 0;
6192
6193 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6194 (set ? "setting" : "clearing"),
6195 config->config_table[0].cam_entry.msb_mac_addr,
6196 config->config_table[0].cam_entry.middle_mac_addr,
6197 config->config_table[0].cam_entry.lsb_mac_addr);
6198
6199 /* broadcast */
6200 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6201 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6202 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
6203 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
6204 if (set)
6205 config->config_table[1].target_table_entry.flags =
6206 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6207 else
6208 CAM_INVALIDATE(config->config_table[1]);
6209 config->config_table[1].target_table_entry.client_id = 0;
6210 config->config_table[1].target_table_entry.vlan_id = 0;
6211
6212 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6213 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6214 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6215 }
6216
6217 static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
6218 {
6219 struct mac_configuration_cmd_e1h *config =
6220 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6221
6222 if (set && (bp->state != BNX2X_STATE_OPEN)) {
6223 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6224 return;
6225 }
6226
6227 /* CAM allocation for E1H
6228 * unicasts: by func number
6229 * multicast: 20+FUNC*20, 20 each
6230 */
6231 config->hdr.length_6b = 1;
6232 config->hdr.offset = BP_FUNC(bp);
6233 config->hdr.client_id = BP_CL_ID(bp);
6234 config->hdr.reserved1 = 0;
6235
6236 /* primary MAC */
6237 config->config_table[0].msb_mac_addr =
6238 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6239 config->config_table[0].middle_mac_addr =
6240 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6241 config->config_table[0].lsb_mac_addr =
6242 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6243 config->config_table[0].client_id = BP_L_ID(bp);
6244 config->config_table[0].vlan_id = 0;
6245 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6246 if (set)
6247 config->config_table[0].flags = BP_PORT(bp);
6248 else
6249 config->config_table[0].flags =
6250 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
6251
6252 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6253 (set ? "setting" : "clearing"),
6254 config->config_table[0].msb_mac_addr,
6255 config->config_table[0].middle_mac_addr,
6256 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6257
6258 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6259 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6260 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6261 }
6262
6263 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6264 int *state_p, int poll)
6265 {
6266 /* can take a while if any port is running */
6267 int cnt = 500;
6268
6269 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6270 poll ? "polling" : "waiting", state, idx);
6271
6272 might_sleep();
6273 while (cnt--) {
6274 if (poll) {
6275 bnx2x_rx_int(bp->fp, 10);
6276 /* if index is different from 0
6277 * the reply for some commands will
6278 * be on the non default queue
6279 */
6280 if (idx)
6281 bnx2x_rx_int(&bp->fp[idx], 10);
6282 }
6283
6284 mb(); /* state is changed by bnx2x_sp_event() */
6285 if (*state_p == state)
6286 return 0;
6287
6288 msleep(1);
6289 }
6290
6291 /* timeout! */
6292 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6293 poll ? "polling" : "waiting", state, idx);
6294 #ifdef BNX2X_STOP_ON_ERROR
6295 bnx2x_panic();
6296 #endif
6297
6298 return -EBUSY;
6299 }
6300
6301 static int bnx2x_setup_leading(struct bnx2x *bp)
6302 {
6303 int rc;
6304
6305 /* reset IGU state */
6306 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6307
6308 /* SETUP ramrod */
6309 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6310
6311 /* Wait for completion */
6312 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
6313
6314 return rc;
6315 }
6316
6317 static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6318 {
6319 /* reset IGU state */
6320 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6321
6322 /* SETUP ramrod */
6323 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6324 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6325
6326 /* Wait for completion */
6327 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
6328 &(bp->fp[index].state), 0);
6329 }
6330
6331 static int bnx2x_poll(struct napi_struct *napi, int budget);
6332 static void bnx2x_set_rx_mode(struct net_device *dev);
6333
6334 /* must be called with rtnl_lock */
6335 static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
6336 {
6337 u32 load_code;
6338 int i, rc = 0;
6339 #ifdef BNX2X_STOP_ON_ERROR
6340 if (unlikely(bp->panic))
6341 return -EPERM;
6342 #endif
6343
6344 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6345
6346 if (use_inta) {
6347 bp->num_queues = 1;
6348
6349 } else {
6350 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6351 /* user requested number */
6352 bp->num_queues = use_multi;
6353
6354 else if (use_multi)
6355 bp->num_queues = min_t(u32, num_online_cpus(),
6356 BP_MAX_QUEUES(bp));
6357 else
6358 bp->num_queues = 1;
6359
6360 DP(NETIF_MSG_IFUP,
6361 "set number of queues to %d\n", bp->num_queues);
6362
6363 /* if we can't use MSI-X we only need one fp,
6364 * so try to enable MSI-X with the requested number of fp's
6365 * and fallback to MSI or legacy INTx with one fp
6366 */
6367 rc = bnx2x_enable_msix(bp);
6368 if (rc) {
6369 /* failed to enable MSI-X */
6370 bp->num_queues = 1;
6371 if (use_multi)
6372 BNX2X_ERR("Multi requested but failed"
6373 " to enable MSI-X\n");
6374 }
6375 }
6376
6377 if (bnx2x_alloc_mem(bp))
6378 return -ENOMEM;
6379
6380 for_each_queue(bp, i)
6381 bnx2x_fp(bp, i, disable_tpa) =
6382 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6383
6384 for_each_queue(bp, i)
6385 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6386 bnx2x_poll, 128);
6387
6388 #ifdef BNX2X_STOP_ON_ERROR
6389 for_each_queue(bp, i) {
6390 struct bnx2x_fastpath *fp = &bp->fp[i];
6391
6392 fp->poll_no_work = 0;
6393 fp->poll_calls = 0;
6394 fp->poll_max_calls = 0;
6395 fp->poll_complete = 0;
6396 fp->poll_exit = 0;
6397 }
6398 #endif
6399 bnx2x_napi_enable(bp);
6400
6401 if (bp->flags & USING_MSIX_FLAG) {
6402 rc = bnx2x_req_msix_irqs(bp);
6403 if (rc) {
6404 pci_disable_msix(bp->pdev);
6405 goto load_error1;
6406 }
6407 printk(KERN_INFO PFX "%s: using MSI-X\n", bp->dev->name);
6408 } else {
6409 bnx2x_ack_int(bp);
6410 rc = bnx2x_req_irq(bp);
6411 if (rc) {
6412 BNX2X_ERR("IRQ request failed rc %d, aborting\n", rc);
6413 goto load_error1;
6414 }
6415 }
6416
6417 /* Send LOAD_REQUEST command to MCP
6418 Returns the type of LOAD command:
6419 if it is the first port to be initialized
6420 common blocks should be initialized, otherwise - not
6421 */
6422 if (!BP_NOMCP(bp)) {
6423 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6424 if (!load_code) {
6425 BNX2X_ERR("MCP response failure, aborting\n");
6426 rc = -EBUSY;
6427 goto load_error2;
6428 }
6429 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) {
6430 rc = -EBUSY; /* other port in diagnostic mode */
6431 goto load_error2;
6432 }
6433
6434 } else {
6435 int port = BP_PORT(bp);
6436
6437 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6438 load_count[0], load_count[1], load_count[2]);
6439 load_count[0]++;
6440 load_count[1 + port]++;
6441 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6442 load_count[0], load_count[1], load_count[2]);
6443 if (load_count[0] == 1)
6444 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6445 else if (load_count[1 + port] == 1)
6446 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6447 else
6448 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
6449 }
6450
6451 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6452 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6453 bp->port.pmf = 1;
6454 else
6455 bp->port.pmf = 0;
6456 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6457
6458 /* Initialize HW */
6459 rc = bnx2x_init_hw(bp, load_code);
6460 if (rc) {
6461 BNX2X_ERR("HW init failed, aborting\n");
6462 goto load_error2;
6463 }
6464
6465 /* Setup NIC internals and enable interrupts */
6466 bnx2x_nic_init(bp, load_code);
6467
6468 /* Send LOAD_DONE command to MCP */
6469 if (!BP_NOMCP(bp)) {
6470 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6471 if (!load_code) {
6472 BNX2X_ERR("MCP response failure, aborting\n");
6473 rc = -EBUSY;
6474 goto load_error3;
6475 }
6476 }
6477
6478 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6479
6480 rc = bnx2x_setup_leading(bp);
6481 if (rc) {
6482 BNX2X_ERR("Setup leading failed!\n");
6483 goto load_error3;
6484 }
6485
6486 if (CHIP_IS_E1H(bp))
6487 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6488 BNX2X_ERR("!!! mf_cfg function disabled\n");
6489 bp->state = BNX2X_STATE_DISABLED;
6490 }
6491
6492 if (bp->state == BNX2X_STATE_OPEN)
6493 for_each_nondefault_queue(bp, i) {
6494 rc = bnx2x_setup_multi(bp, i);
6495 if (rc)
6496 goto load_error3;
6497 }
6498
6499 if (CHIP_IS_E1(bp))
6500 bnx2x_set_mac_addr_e1(bp, 1);
6501 else
6502 bnx2x_set_mac_addr_e1h(bp, 1);
6503
6504 if (bp->port.pmf)
6505 bnx2x_initial_phy_init(bp);
6506
6507 /* Start fast path */
6508 switch (load_mode) {
6509 case LOAD_NORMAL:
6510 /* Tx queue should be only reenabled */
6511 netif_wake_queue(bp->dev);
6512 /* Initialize the receive filter. */
6513 bnx2x_set_rx_mode(bp->dev);
6514 break;
6515
6516 case LOAD_OPEN:
6517 netif_start_queue(bp->dev);
6518 /* Initialize the receive filter. */
6519 bnx2x_set_rx_mode(bp->dev);
6520 break;
6521
6522 case LOAD_DIAG:
6523 /* Initialize the receive filter. */
6524 bnx2x_set_rx_mode(bp->dev);
6525 bp->state = BNX2X_STATE_DIAG;
6526 break;
6527
6528 default:
6529 break;
6530 }
6531
6532 if (!bp->port.pmf)
6533 bnx2x__link_status_update(bp);
6534
6535 /* start the timer */
6536 mod_timer(&bp->timer, jiffies + bp->current_interval);
6537
6538
6539 return 0;
6540
6541 load_error3:
6542 bnx2x_int_disable_sync(bp, 1);
6543 if (!BP_NOMCP(bp)) {
6544 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP);
6545 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6546 }
6547 bp->port.pmf = 0;
6548 /* Free SKBs, SGEs, TPA pool and driver internals */
6549 bnx2x_free_skbs(bp);
6550 for_each_queue(bp, i)
6551 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6552 load_error2:
6553 /* Release IRQs */
6554 bnx2x_free_irq(bp);
6555 load_error1:
6556 bnx2x_napi_disable(bp);
6557 for_each_queue(bp, i)
6558 netif_napi_del(&bnx2x_fp(bp, i, napi));
6559 bnx2x_free_mem(bp);
6560
6561 /* TBD we really need to reset the chip
6562 if we want to recover from this */
6563 return rc;
6564 }
6565
6566 static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6567 {
6568 int rc;
6569
6570 /* halt the connection */
6571 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6572 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
6573
6574 /* Wait for completion */
6575 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6576 &(bp->fp[index].state), 1);
6577 if (rc) /* timeout */
6578 return rc;
6579
6580 /* delete cfc entry */
6581 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6582
6583 /* Wait for completion */
6584 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6585 &(bp->fp[index].state), 1);
6586 return rc;
6587 }
6588
6589 static int bnx2x_stop_leading(struct bnx2x *bp)
6590 {
6591 u16 dsb_sp_prod_idx;
6592 /* if the other port is handling traffic,
6593 this can take a lot of time */
6594 int cnt = 500;
6595 int rc;
6596
6597 might_sleep();
6598
6599 /* Send HALT ramrod */
6600 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6601 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
6602
6603 /* Wait for completion */
6604 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6605 &(bp->fp[0].state), 1);
6606 if (rc) /* timeout */
6607 return rc;
6608
6609 dsb_sp_prod_idx = *bp->dsb_sp_prod;
6610
6611 /* Send PORT_DELETE ramrod */
6612 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6613
6614 /* Wait for completion to arrive on default status block
6615 we are going to reset the chip anyway
6616 so there is not much to do if this times out
6617 */
6618 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
6619 if (!cnt) {
6620 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6621 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6622 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6623 #ifdef BNX2X_STOP_ON_ERROR
6624 bnx2x_panic();
6625 #else
6626 rc = -EBUSY;
6627 #endif
6628 break;
6629 }
6630 cnt--;
6631 msleep(1);
6632 rmb(); /* Refresh the dsb_sp_prod */
6633 }
6634 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6635 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6636
6637 return rc;
6638 }
6639
6640 static void bnx2x_reset_func(struct bnx2x *bp)
6641 {
6642 int port = BP_PORT(bp);
6643 int func = BP_FUNC(bp);
6644 int base, i;
6645
6646 /* Configure IGU */
6647 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6648 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6649
6650 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6651
6652 /* Clear ILT */
6653 base = FUNC_ILT_BASE(func);
6654 for (i = base; i < base + ILT_PER_FUNC; i++)
6655 bnx2x_ilt_wr(bp, i, 0);
6656 }
6657
6658 static void bnx2x_reset_port(struct bnx2x *bp)
6659 {
6660 int port = BP_PORT(bp);
6661 u32 val;
6662
6663 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6664
6665 /* Do not rcv packets to BRB */
6666 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6667 /* Do not direct rcv packets that are not for MCP to the BRB */
6668 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6669 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6670
6671 /* Configure AEU */
6672 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6673
6674 msleep(100);
6675 /* Check for BRB port occupancy */
6676 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6677 if (val)
6678 DP(NETIF_MSG_IFDOWN,
6679 "BRB1 is not empty %d blocks are occupied\n", val);
6680
6681 /* TODO: Close Doorbell port? */
6682 }
6683
6684 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6685 {
6686 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6687 BP_FUNC(bp), reset_code);
6688
6689 switch (reset_code) {
6690 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6691 bnx2x_reset_port(bp);
6692 bnx2x_reset_func(bp);
6693 bnx2x_reset_common(bp);
6694 break;
6695
6696 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6697 bnx2x_reset_port(bp);
6698 bnx2x_reset_func(bp);
6699 break;
6700
6701 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6702 bnx2x_reset_func(bp);
6703 break;
6704
6705 default:
6706 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6707 break;
6708 }
6709 }
6710
6711 /* must be called with rtnl_lock */
6712 static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
6713 {
6714 int port = BP_PORT(bp);
6715 u32 reset_code = 0;
6716 int i, cnt, rc;
6717
6718 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6719
6720 bp->rx_mode = BNX2X_RX_MODE_NONE;
6721 bnx2x_set_storm_rx_mode(bp);
6722
6723 bnx2x_netif_stop(bp, 1);
6724
6725 del_timer_sync(&bp->timer);
6726 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6727 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
6728 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6729
6730 /* Release IRQs */
6731 bnx2x_free_irq(bp);
6732
6733 /* Wait until tx fast path tasks complete */
6734 for_each_queue(bp, i) {
6735 struct bnx2x_fastpath *fp = &bp->fp[i];
6736
6737 cnt = 1000;
6738 smp_rmb();
6739 while (bnx2x_has_tx_work_unload(fp)) {
6740
6741 bnx2x_tx_int(fp, 1000);
6742 if (!cnt) {
6743 BNX2X_ERR("timeout waiting for queue[%d]\n",
6744 i);
6745 #ifdef BNX2X_STOP_ON_ERROR
6746 bnx2x_panic();
6747 return -EBUSY;
6748 #else
6749 break;
6750 #endif
6751 }
6752 cnt--;
6753 msleep(1);
6754 smp_rmb();
6755 }
6756 }
6757 /* Give HW time to discard old tx messages */
6758 msleep(1);
6759
6760 if (CHIP_IS_E1(bp)) {
6761 struct mac_configuration_cmd *config =
6762 bnx2x_sp(bp, mcast_config);
6763
6764 bnx2x_set_mac_addr_e1(bp, 0);
6765
6766 for (i = 0; i < config->hdr.length_6b; i++)
6767 CAM_INVALIDATE(config->config_table[i]);
6768
6769 config->hdr.length_6b = i;
6770 if (CHIP_REV_IS_SLOW(bp))
6771 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6772 else
6773 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6774 config->hdr.client_id = BP_CL_ID(bp);
6775 config->hdr.reserved1 = 0;
6776
6777 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6778 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6779 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6780
6781 } else { /* E1H */
6782 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6783
6784 bnx2x_set_mac_addr_e1h(bp, 0);
6785
6786 for (i = 0; i < MC_HASH_SIZE; i++)
6787 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6788 }
6789
6790 if (unload_mode == UNLOAD_NORMAL)
6791 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6792
6793 else if (bp->flags & NO_WOL_FLAG) {
6794 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6795 if (CHIP_IS_E1H(bp))
6796 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6797
6798 } else if (bp->wol) {
6799 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6800 u8 *mac_addr = bp->dev->dev_addr;
6801 u32 val;
6802 /* The mac address is written to entries 1-4 to
6803 preserve entry 0 which is used by the PMF */
6804 u8 entry = (BP_E1HVN(bp) + 1)*8;
6805
6806 val = (mac_addr[0] << 8) | mac_addr[1];
6807 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
6808
6809 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6810 (mac_addr[4] << 8) | mac_addr[5];
6811 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
6812
6813 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6814
6815 } else
6816 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6817
6818 /* Close multi and leading connections
6819 Completions for ramrods are collected in a synchronous way */
6820 for_each_nondefault_queue(bp, i)
6821 if (bnx2x_stop_multi(bp, i))
6822 goto unload_error;
6823
6824 rc = bnx2x_stop_leading(bp);
6825 if (rc) {
6826 BNX2X_ERR("Stop leading failed!\n");
6827 #ifdef BNX2X_STOP_ON_ERROR
6828 return -EBUSY;
6829 #else
6830 goto unload_error;
6831 #endif
6832 }
6833
6834 unload_error:
6835 if (!BP_NOMCP(bp))
6836 reset_code = bnx2x_fw_command(bp, reset_code);
6837 else {
6838 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6839 load_count[0], load_count[1], load_count[2]);
6840 load_count[0]--;
6841 load_count[1 + port]--;
6842 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6843 load_count[0], load_count[1], load_count[2]);
6844 if (load_count[0] == 0)
6845 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6846 else if (load_count[1 + port] == 0)
6847 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6848 else
6849 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6850 }
6851
6852 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6853 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6854 bnx2x__link_reset(bp);
6855
6856 /* Reset the chip */
6857 bnx2x_reset_chip(bp, reset_code);
6858
6859 /* Report UNLOAD_DONE to MCP */
6860 if (!BP_NOMCP(bp))
6861 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6862 bp->port.pmf = 0;
6863
6864 /* Free SKBs, SGEs, TPA pool and driver internals */
6865 bnx2x_free_skbs(bp);
6866 for_each_queue(bp, i)
6867 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6868 for_each_queue(bp, i)
6869 netif_napi_del(&bnx2x_fp(bp, i, napi));
6870 bnx2x_free_mem(bp);
6871
6872 bp->state = BNX2X_STATE_CLOSED;
6873
6874 netif_carrier_off(bp->dev);
6875
6876 return 0;
6877 }
6878
6879 static void bnx2x_reset_task(struct work_struct *work)
6880 {
6881 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6882
6883 #ifdef BNX2X_STOP_ON_ERROR
6884 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6885 " so reset not done to allow debug dump,\n"
6886 KERN_ERR " you will need to reboot when done\n");
6887 return;
6888 #endif
6889
6890 rtnl_lock();
6891
6892 if (!netif_running(bp->dev))
6893 goto reset_task_exit;
6894
6895 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6896 bnx2x_nic_load(bp, LOAD_NORMAL);
6897
6898 reset_task_exit:
6899 rtnl_unlock();
6900 }
6901
6902 /* end of nic load/unload */
6903
6904 /* ethtool_ops */
6905
6906 /*
6907 * Init service functions
6908 */
6909
6910 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
6911 {
6912 u32 val;
6913
6914 /* Check if there is any driver already loaded */
6915 val = REG_RD(bp, MISC_REG_UNPREPARED);
6916 if (val == 0x1) {
6917 /* Check if it is the UNDI driver
6918 * UNDI driver initializes CID offset for normal bell to 0x7
6919 */
6920 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6921 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6922 if (val == 0x7) {
6923 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6924 /* save our func */
6925 int func = BP_FUNC(bp);
6926 u32 swap_en;
6927 u32 swap_val;
6928
6929 /* clear the UNDI indication */
6930 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6931
6932 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6933
6934 /* try unload UNDI on port 0 */
6935 bp->func = 0;
6936 bp->fw_seq =
6937 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6938 DRV_MSG_SEQ_NUMBER_MASK);
6939 reset_code = bnx2x_fw_command(bp, reset_code);
6940
6941 /* if UNDI is loaded on the other port */
6942 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6943
6944 /* send "DONE" for previous unload */
6945 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6946
6947 /* unload UNDI on port 1 */
6948 bp->func = 1;
6949 bp->fw_seq =
6950 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6951 DRV_MSG_SEQ_NUMBER_MASK);
6952 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6953
6954 bnx2x_fw_command(bp, reset_code);
6955 }
6956
6957 /* now it's safe to release the lock */
6958 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6959
6960 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6961 HC_REG_CONFIG_0), 0x1000);
6962
6963 /* close input traffic and wait for it */
6964 /* Do not rcv packets to BRB */
6965 REG_WR(bp,
6966 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6967 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6968 /* Do not direct rcv packets that are not for MCP to
6969 * the BRB */
6970 REG_WR(bp,
6971 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6972 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6973 /* clear AEU */
6974 REG_WR(bp,
6975 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6976 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6977 msleep(10);
6978
6979 /* save NIG port swap info */
6980 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6981 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6982 /* reset device */
6983 REG_WR(bp,
6984 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6985 0xd3ffffff);
6986 REG_WR(bp,
6987 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6988 0x1403);
6989 /* take the NIG out of reset and restore swap values */
6990 REG_WR(bp,
6991 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6992 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6993 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6994 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6995
6996 /* send unload done to the MCP */
6997 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6998
6999 /* restore our func and fw_seq */
7000 bp->func = func;
7001 bp->fw_seq =
7002 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
7003 DRV_MSG_SEQ_NUMBER_MASK);
7004
7005 } else
7006 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7007 }
7008 }
7009
7010 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7011 {
7012 u32 val, val2, val3, val4, id;
7013 u16 pmc;
7014
7015 /* Get the chip revision id and number. */
7016 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7017 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7018 id = ((val & 0xffff) << 16);
7019 val = REG_RD(bp, MISC_REG_CHIP_REV);
7020 id |= ((val & 0xf) << 12);
7021 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7022 id |= ((val & 0xff) << 4);
7023 val = REG_RD(bp, MISC_REG_BOND_ID);
7024 id |= (val & 0xf);
7025 bp->common.chip_id = id;
7026 bp->link_params.chip_id = bp->common.chip_id;
7027 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
7028
7029 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7030 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7031 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7032 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7033 bp->common.flash_size, bp->common.flash_size);
7034
7035 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7036 bp->link_params.shmem_base = bp->common.shmem_base;
7037 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
7038
7039 if (!bp->common.shmem_base ||
7040 (bp->common.shmem_base < 0xA0000) ||
7041 (bp->common.shmem_base >= 0xC0000)) {
7042 BNX2X_DEV_INFO("MCP not active\n");
7043 bp->flags |= NO_MCP_FLAG;
7044 return;
7045 }
7046
7047 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7048 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7049 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7050 BNX2X_ERR("BAD MCP validity signature\n");
7051
7052 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7053 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
7054
7055 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
7056 bp->common.hw_config, bp->common.board);
7057
7058 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7059 SHARED_HW_CFG_LED_MODE_MASK) >>
7060 SHARED_HW_CFG_LED_MODE_SHIFT);
7061
7062 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7063 bp->common.bc_ver = val;
7064 BNX2X_DEV_INFO("bc_ver %X\n", val);
7065 if (val < BNX2X_BC_VER) {
7066 /* for now only warn
7067 * later we might need to enforce this */
7068 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
7069 " please upgrade BC\n", BNX2X_BC_VER, val);
7070 }
7071
7072 if (BP_E1HVN(bp) == 0) {
7073 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7074 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7075 } else {
7076 /* no WOL capability for E1HVN != 0 */
7077 bp->flags |= NO_WOL_FLAG;
7078 }
7079 BNX2X_DEV_INFO("%sWoL capable\n",
7080 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
7081
7082 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7083 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7084 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7085 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7086
7087 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7088 val, val2, val3, val4);
7089 }
7090
7091 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7092 u32 switch_cfg)
7093 {
7094 int port = BP_PORT(bp);
7095 u32 ext_phy_type;
7096
7097 switch (switch_cfg) {
7098 case SWITCH_CFG_1G:
7099 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7100
7101 ext_phy_type =
7102 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7103 switch (ext_phy_type) {
7104 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7105 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7106 ext_phy_type);
7107
7108 bp->port.supported |= (SUPPORTED_10baseT_Half |
7109 SUPPORTED_10baseT_Full |
7110 SUPPORTED_100baseT_Half |
7111 SUPPORTED_100baseT_Full |
7112 SUPPORTED_1000baseT_Full |
7113 SUPPORTED_2500baseX_Full |
7114 SUPPORTED_TP |
7115 SUPPORTED_FIBRE |
7116 SUPPORTED_Autoneg |
7117 SUPPORTED_Pause |
7118 SUPPORTED_Asym_Pause);
7119 break;
7120
7121 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7122 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7123 ext_phy_type);
7124
7125 bp->port.supported |= (SUPPORTED_10baseT_Half |
7126 SUPPORTED_10baseT_Full |
7127 SUPPORTED_100baseT_Half |
7128 SUPPORTED_100baseT_Full |
7129 SUPPORTED_1000baseT_Full |
7130 SUPPORTED_TP |
7131 SUPPORTED_FIBRE |
7132 SUPPORTED_Autoneg |
7133 SUPPORTED_Pause |
7134 SUPPORTED_Asym_Pause);
7135 break;
7136
7137 default:
7138 BNX2X_ERR("NVRAM config error. "
7139 "BAD SerDes ext_phy_config 0x%x\n",
7140 bp->link_params.ext_phy_config);
7141 return;
7142 }
7143
7144 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7145 port*0x10);
7146 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7147 break;
7148
7149 case SWITCH_CFG_10G:
7150 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7151
7152 ext_phy_type =
7153 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7154 switch (ext_phy_type) {
7155 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7156 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7157 ext_phy_type);
7158
7159 bp->port.supported |= (SUPPORTED_10baseT_Half |
7160 SUPPORTED_10baseT_Full |
7161 SUPPORTED_100baseT_Half |
7162 SUPPORTED_100baseT_Full |
7163 SUPPORTED_1000baseT_Full |
7164 SUPPORTED_2500baseX_Full |
7165 SUPPORTED_10000baseT_Full |
7166 SUPPORTED_TP |
7167 SUPPORTED_FIBRE |
7168 SUPPORTED_Autoneg |
7169 SUPPORTED_Pause |
7170 SUPPORTED_Asym_Pause);
7171 break;
7172
7173 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7174 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7175 ext_phy_type);
7176
7177 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7178 SUPPORTED_FIBRE |
7179 SUPPORTED_Pause |
7180 SUPPORTED_Asym_Pause);
7181 break;
7182
7183 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7184 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7185 ext_phy_type);
7186
7187 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7188 SUPPORTED_1000baseT_Full |
7189 SUPPORTED_FIBRE |
7190 SUPPORTED_Pause |
7191 SUPPORTED_Asym_Pause);
7192 break;
7193
7194 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7195 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7196 ext_phy_type);
7197
7198 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7199 SUPPORTED_1000baseT_Full |
7200 SUPPORTED_FIBRE |
7201 SUPPORTED_Autoneg |
7202 SUPPORTED_Pause |
7203 SUPPORTED_Asym_Pause);
7204 break;
7205
7206 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7207 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7208 ext_phy_type);
7209
7210 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7211 SUPPORTED_2500baseX_Full |
7212 SUPPORTED_1000baseT_Full |
7213 SUPPORTED_FIBRE |
7214 SUPPORTED_Autoneg |
7215 SUPPORTED_Pause |
7216 SUPPORTED_Asym_Pause);
7217 break;
7218
7219 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7220 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7221 ext_phy_type);
7222
7223 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7224 SUPPORTED_TP |
7225 SUPPORTED_Autoneg |
7226 SUPPORTED_Pause |
7227 SUPPORTED_Asym_Pause);
7228 break;
7229
7230 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7231 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7232 bp->link_params.ext_phy_config);
7233 break;
7234
7235 default:
7236 BNX2X_ERR("NVRAM config error. "
7237 "BAD XGXS ext_phy_config 0x%x\n",
7238 bp->link_params.ext_phy_config);
7239 return;
7240 }
7241
7242 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7243 port*0x18);
7244 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7245
7246 break;
7247
7248 default:
7249 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7250 bp->port.link_config);
7251 return;
7252 }
7253 bp->link_params.phy_addr = bp->port.phy_addr;
7254
7255 /* mask what we support according to speed_cap_mask */
7256 if (!(bp->link_params.speed_cap_mask &
7257 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7258 bp->port.supported &= ~SUPPORTED_10baseT_Half;
7259
7260 if (!(bp->link_params.speed_cap_mask &
7261 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7262 bp->port.supported &= ~SUPPORTED_10baseT_Full;
7263
7264 if (!(bp->link_params.speed_cap_mask &
7265 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7266 bp->port.supported &= ~SUPPORTED_100baseT_Half;
7267
7268 if (!(bp->link_params.speed_cap_mask &
7269 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7270 bp->port.supported &= ~SUPPORTED_100baseT_Full;
7271
7272 if (!(bp->link_params.speed_cap_mask &
7273 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7274 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7275 SUPPORTED_1000baseT_Full);
7276
7277 if (!(bp->link_params.speed_cap_mask &
7278 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7279 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
7280
7281 if (!(bp->link_params.speed_cap_mask &
7282 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7283 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
7284
7285 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
7286 }
7287
7288 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
7289 {
7290 bp->link_params.req_duplex = DUPLEX_FULL;
7291
7292 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7293 case PORT_FEATURE_LINK_SPEED_AUTO:
7294 if (bp->port.supported & SUPPORTED_Autoneg) {
7295 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7296 bp->port.advertising = bp->port.supported;
7297 } else {
7298 u32 ext_phy_type =
7299 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7300
7301 if ((ext_phy_type ==
7302 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7303 (ext_phy_type ==
7304 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
7305 /* force 10G, no AN */
7306 bp->link_params.req_line_speed = SPEED_10000;
7307 bp->port.advertising =
7308 (ADVERTISED_10000baseT_Full |
7309 ADVERTISED_FIBRE);
7310 break;
7311 }
7312 BNX2X_ERR("NVRAM config error. "
7313 "Invalid link_config 0x%x"
7314 " Autoneg not supported\n",
7315 bp->port.link_config);
7316 return;
7317 }
7318 break;
7319
7320 case PORT_FEATURE_LINK_SPEED_10M_FULL:
7321 if (bp->port.supported & SUPPORTED_10baseT_Full) {
7322 bp->link_params.req_line_speed = SPEED_10;
7323 bp->port.advertising = (ADVERTISED_10baseT_Full |
7324 ADVERTISED_TP);
7325 } else {
7326 BNX2X_ERR("NVRAM config error. "
7327 "Invalid link_config 0x%x"
7328 " speed_cap_mask 0x%x\n",
7329 bp->port.link_config,
7330 bp->link_params.speed_cap_mask);
7331 return;
7332 }
7333 break;
7334
7335 case PORT_FEATURE_LINK_SPEED_10M_HALF:
7336 if (bp->port.supported & SUPPORTED_10baseT_Half) {
7337 bp->link_params.req_line_speed = SPEED_10;
7338 bp->link_params.req_duplex = DUPLEX_HALF;
7339 bp->port.advertising = (ADVERTISED_10baseT_Half |
7340 ADVERTISED_TP);
7341 } else {
7342 BNX2X_ERR("NVRAM config error. "
7343 "Invalid link_config 0x%x"
7344 " speed_cap_mask 0x%x\n",
7345 bp->port.link_config,
7346 bp->link_params.speed_cap_mask);
7347 return;
7348 }
7349 break;
7350
7351 case PORT_FEATURE_LINK_SPEED_100M_FULL:
7352 if (bp->port.supported & SUPPORTED_100baseT_Full) {
7353 bp->link_params.req_line_speed = SPEED_100;
7354 bp->port.advertising = (ADVERTISED_100baseT_Full |
7355 ADVERTISED_TP);
7356 } else {
7357 BNX2X_ERR("NVRAM config error. "
7358 "Invalid link_config 0x%x"
7359 " speed_cap_mask 0x%x\n",
7360 bp->port.link_config,
7361 bp->link_params.speed_cap_mask);
7362 return;
7363 }
7364 break;
7365
7366 case PORT_FEATURE_LINK_SPEED_100M_HALF:
7367 if (bp->port.supported & SUPPORTED_100baseT_Half) {
7368 bp->link_params.req_line_speed = SPEED_100;
7369 bp->link_params.req_duplex = DUPLEX_HALF;
7370 bp->port.advertising = (ADVERTISED_100baseT_Half |
7371 ADVERTISED_TP);
7372 } else {
7373 BNX2X_ERR("NVRAM config error. "
7374 "Invalid link_config 0x%x"
7375 " speed_cap_mask 0x%x\n",
7376 bp->port.link_config,
7377 bp->link_params.speed_cap_mask);
7378 return;
7379 }
7380 break;
7381
7382 case PORT_FEATURE_LINK_SPEED_1G:
7383 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
7384 bp->link_params.req_line_speed = SPEED_1000;
7385 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7386 ADVERTISED_TP);
7387 } else {
7388 BNX2X_ERR("NVRAM config error. "
7389 "Invalid link_config 0x%x"
7390 " speed_cap_mask 0x%x\n",
7391 bp->port.link_config,
7392 bp->link_params.speed_cap_mask);
7393 return;
7394 }
7395 break;
7396
7397 case PORT_FEATURE_LINK_SPEED_2_5G:
7398 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
7399 bp->link_params.req_line_speed = SPEED_2500;
7400 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7401 ADVERTISED_TP);
7402 } else {
7403 BNX2X_ERR("NVRAM config error. "
7404 "Invalid link_config 0x%x"
7405 " speed_cap_mask 0x%x\n",
7406 bp->port.link_config,
7407 bp->link_params.speed_cap_mask);
7408 return;
7409 }
7410 break;
7411
7412 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7413 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7414 case PORT_FEATURE_LINK_SPEED_10G_KR:
7415 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
7416 bp->link_params.req_line_speed = SPEED_10000;
7417 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7418 ADVERTISED_FIBRE);
7419 } else {
7420 BNX2X_ERR("NVRAM config error. "
7421 "Invalid link_config 0x%x"
7422 " speed_cap_mask 0x%x\n",
7423 bp->port.link_config,
7424 bp->link_params.speed_cap_mask);
7425 return;
7426 }
7427 break;
7428
7429 default:
7430 BNX2X_ERR("NVRAM config error. "
7431 "BAD link speed link_config 0x%x\n",
7432 bp->port.link_config);
7433 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7434 bp->port.advertising = bp->port.supported;
7435 break;
7436 }
7437
7438 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7439 PORT_FEATURE_FLOW_CONTROL_MASK);
7440 if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
7441 !(bp->port.supported & SUPPORTED_Autoneg))
7442 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7443
7444 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
7445 " advertising 0x%x\n",
7446 bp->link_params.req_line_speed,
7447 bp->link_params.req_duplex,
7448 bp->link_params.req_flow_ctrl, bp->port.advertising);
7449 }
7450
7451 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
7452 {
7453 int port = BP_PORT(bp);
7454 u32 val, val2;
7455
7456 bp->link_params.bp = bp;
7457 bp->link_params.port = port;
7458
7459 bp->link_params.serdes_config =
7460 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
7461 bp->link_params.lane_config =
7462 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
7463 bp->link_params.ext_phy_config =
7464 SHMEM_RD(bp,
7465 dev_info.port_hw_config[port].external_phy_config);
7466 bp->link_params.speed_cap_mask =
7467 SHMEM_RD(bp,
7468 dev_info.port_hw_config[port].speed_capability_mask);
7469
7470 bp->port.link_config =
7471 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7472
7473 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7474 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7475 " link_config 0x%08x\n",
7476 bp->link_params.serdes_config,
7477 bp->link_params.lane_config,
7478 bp->link_params.ext_phy_config,
7479 bp->link_params.speed_cap_mask, bp->port.link_config);
7480
7481 bp->link_params.switch_cfg = (bp->port.link_config &
7482 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7483 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
7484
7485 bnx2x_link_settings_requested(bp);
7486
7487 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7488 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7489 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7490 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7491 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7492 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7493 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7494 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7495 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7496 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7497 }
7498
7499 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7500 {
7501 int func = BP_FUNC(bp);
7502 u32 val, val2;
7503 int rc = 0;
7504
7505 bnx2x_get_common_hwinfo(bp);
7506
7507 bp->e1hov = 0;
7508 bp->e1hmf = 0;
7509 if (CHIP_IS_E1H(bp)) {
7510 bp->mf_config =
7511 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
7512
7513 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7514 FUNC_MF_CFG_E1HOV_TAG_MASK);
7515 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
7516
7517 bp->e1hov = val;
7518 bp->e1hmf = 1;
7519 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7520 "(0x%04x)\n",
7521 func, bp->e1hov, bp->e1hov);
7522 } else {
7523 BNX2X_DEV_INFO("Single function mode\n");
7524 if (BP_E1HVN(bp)) {
7525 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7526 " aborting\n", func);
7527 rc = -EPERM;
7528 }
7529 }
7530 }
7531
7532 if (!BP_NOMCP(bp)) {
7533 bnx2x_get_port_hwinfo(bp);
7534
7535 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7536 DRV_MSG_SEQ_NUMBER_MASK);
7537 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7538 }
7539
7540 if (IS_E1HMF(bp)) {
7541 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7542 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7543 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7544 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7545 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7546 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7547 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7548 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7549 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7550 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7551 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7552 ETH_ALEN);
7553 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7554 ETH_ALEN);
7555 }
7556
7557 return rc;
7558 }
7559
7560 if (BP_NOMCP(bp)) {
7561 /* only supposed to happen on emulation/FPGA */
7562 BNX2X_ERR("warning random MAC workaround active\n");
7563 random_ether_addr(bp->dev->dev_addr);
7564 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7565 }
7566
7567 return rc;
7568 }
7569
7570 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7571 {
7572 int func = BP_FUNC(bp);
7573 int rc;
7574
7575 /* Disable interrupt handling until HW is initialized */
7576 atomic_set(&bp->intr_sem, 1);
7577
7578 mutex_init(&bp->port.phy_mutex);
7579
7580 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
7581 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7582
7583 rc = bnx2x_get_hwinfo(bp);
7584
7585 /* need to reset chip if undi was active */
7586 if (!BP_NOMCP(bp))
7587 bnx2x_undi_unload(bp);
7588
7589 if (CHIP_REV_IS_FPGA(bp))
7590 printk(KERN_ERR PFX "FPGA detected\n");
7591
7592 if (BP_NOMCP(bp) && (func == 0))
7593 printk(KERN_ERR PFX
7594 "MCP disabled, must load devices in order!\n");
7595
7596 /* Set TPA flags */
7597 if (disable_tpa) {
7598 bp->flags &= ~TPA_ENABLE_FLAG;
7599 bp->dev->features &= ~NETIF_F_LRO;
7600 } else {
7601 bp->flags |= TPA_ENABLE_FLAG;
7602 bp->dev->features |= NETIF_F_LRO;
7603 }
7604
7605
7606 bp->tx_ring_size = MAX_TX_AVAIL;
7607 bp->rx_ring_size = MAX_RX_AVAIL;
7608
7609 bp->rx_csum = 1;
7610 bp->rx_offset = 0;
7611
7612 bp->tx_ticks = 50;
7613 bp->rx_ticks = 25;
7614
7615 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7616 bp->current_interval = (poll ? poll : bp->timer_interval);
7617
7618 init_timer(&bp->timer);
7619 bp->timer.expires = jiffies + bp->current_interval;
7620 bp->timer.data = (unsigned long) bp;
7621 bp->timer.function = bnx2x_timer;
7622
7623 return rc;
7624 }
7625
7626 /*
7627 * ethtool service functions
7628 */
7629
7630 /* All ethtool functions called with rtnl_lock */
7631
7632 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7633 {
7634 struct bnx2x *bp = netdev_priv(dev);
7635
7636 cmd->supported = bp->port.supported;
7637 cmd->advertising = bp->port.advertising;
7638
7639 if (netif_carrier_ok(dev)) {
7640 cmd->speed = bp->link_vars.line_speed;
7641 cmd->duplex = bp->link_vars.duplex;
7642 } else {
7643 cmd->speed = bp->link_params.req_line_speed;
7644 cmd->duplex = bp->link_params.req_duplex;
7645 }
7646 if (IS_E1HMF(bp)) {
7647 u16 vn_max_rate;
7648
7649 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7650 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7651 if (vn_max_rate < cmd->speed)
7652 cmd->speed = vn_max_rate;
7653 }
7654
7655 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7656 u32 ext_phy_type =
7657 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7658
7659 switch (ext_phy_type) {
7660 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7661 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7662 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7663 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7664 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7665 cmd->port = PORT_FIBRE;
7666 break;
7667
7668 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7669 cmd->port = PORT_TP;
7670 break;
7671
7672 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7673 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7674 bp->link_params.ext_phy_config);
7675 break;
7676
7677 default:
7678 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
7679 bp->link_params.ext_phy_config);
7680 break;
7681 }
7682 } else
7683 cmd->port = PORT_TP;
7684
7685 cmd->phy_address = bp->port.phy_addr;
7686 cmd->transceiver = XCVR_INTERNAL;
7687
7688 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
7689 cmd->autoneg = AUTONEG_ENABLE;
7690 else
7691 cmd->autoneg = AUTONEG_DISABLE;
7692
7693 cmd->maxtxpkt = 0;
7694 cmd->maxrxpkt = 0;
7695
7696 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7697 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7698 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7699 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7700 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7701 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7702 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7703
7704 return 0;
7705 }
7706
7707 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7708 {
7709 struct bnx2x *bp = netdev_priv(dev);
7710 u32 advertising;
7711
7712 if (IS_E1HMF(bp))
7713 return 0;
7714
7715 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7716 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7717 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7718 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7719 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7720 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7721 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7722
7723 if (cmd->autoneg == AUTONEG_ENABLE) {
7724 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7725 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
7726 return -EINVAL;
7727 }
7728
7729 /* advertise the requested speed and duplex if supported */
7730 cmd->advertising &= bp->port.supported;
7731
7732 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7733 bp->link_params.req_duplex = DUPLEX_FULL;
7734 bp->port.advertising |= (ADVERTISED_Autoneg |
7735 cmd->advertising);
7736
7737 } else { /* forced speed */
7738 /* advertise the requested speed and duplex if supported */
7739 switch (cmd->speed) {
7740 case SPEED_10:
7741 if (cmd->duplex == DUPLEX_FULL) {
7742 if (!(bp->port.supported &
7743 SUPPORTED_10baseT_Full)) {
7744 DP(NETIF_MSG_LINK,
7745 "10M full not supported\n");
7746 return -EINVAL;
7747 }
7748
7749 advertising = (ADVERTISED_10baseT_Full |
7750 ADVERTISED_TP);
7751 } else {
7752 if (!(bp->port.supported &
7753 SUPPORTED_10baseT_Half)) {
7754 DP(NETIF_MSG_LINK,
7755 "10M half not supported\n");
7756 return -EINVAL;
7757 }
7758
7759 advertising = (ADVERTISED_10baseT_Half |
7760 ADVERTISED_TP);
7761 }
7762 break;
7763
7764 case SPEED_100:
7765 if (cmd->duplex == DUPLEX_FULL) {
7766 if (!(bp->port.supported &
7767 SUPPORTED_100baseT_Full)) {
7768 DP(NETIF_MSG_LINK,
7769 "100M full not supported\n");
7770 return -EINVAL;
7771 }
7772
7773 advertising = (ADVERTISED_100baseT_Full |
7774 ADVERTISED_TP);
7775 } else {
7776 if (!(bp->port.supported &
7777 SUPPORTED_100baseT_Half)) {
7778 DP(NETIF_MSG_LINK,
7779 "100M half not supported\n");
7780 return -EINVAL;
7781 }
7782
7783 advertising = (ADVERTISED_100baseT_Half |
7784 ADVERTISED_TP);
7785 }
7786 break;
7787
7788 case SPEED_1000:
7789 if (cmd->duplex != DUPLEX_FULL) {
7790 DP(NETIF_MSG_LINK, "1G half not supported\n");
7791 return -EINVAL;
7792 }
7793
7794 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
7795 DP(NETIF_MSG_LINK, "1G full not supported\n");
7796 return -EINVAL;
7797 }
7798
7799 advertising = (ADVERTISED_1000baseT_Full |
7800 ADVERTISED_TP);
7801 break;
7802
7803 case SPEED_2500:
7804 if (cmd->duplex != DUPLEX_FULL) {
7805 DP(NETIF_MSG_LINK,
7806 "2.5G half not supported\n");
7807 return -EINVAL;
7808 }
7809
7810 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
7811 DP(NETIF_MSG_LINK,
7812 "2.5G full not supported\n");
7813 return -EINVAL;
7814 }
7815
7816 advertising = (ADVERTISED_2500baseX_Full |
7817 ADVERTISED_TP);
7818 break;
7819
7820 case SPEED_10000:
7821 if (cmd->duplex != DUPLEX_FULL) {
7822 DP(NETIF_MSG_LINK, "10G half not supported\n");
7823 return -EINVAL;
7824 }
7825
7826 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
7827 DP(NETIF_MSG_LINK, "10G full not supported\n");
7828 return -EINVAL;
7829 }
7830
7831 advertising = (ADVERTISED_10000baseT_Full |
7832 ADVERTISED_FIBRE);
7833 break;
7834
7835 default:
7836 DP(NETIF_MSG_LINK, "Unsupported speed\n");
7837 return -EINVAL;
7838 }
7839
7840 bp->link_params.req_line_speed = cmd->speed;
7841 bp->link_params.req_duplex = cmd->duplex;
7842 bp->port.advertising = advertising;
7843 }
7844
7845 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
7846 DP_LEVEL " req_duplex %d advertising 0x%x\n",
7847 bp->link_params.req_line_speed, bp->link_params.req_duplex,
7848 bp->port.advertising);
7849
7850 if (netif_running(dev)) {
7851 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7852 bnx2x_link_set(bp);
7853 }
7854
7855 return 0;
7856 }
7857
7858 #define PHY_FW_VER_LEN 10
7859
7860 static void bnx2x_get_drvinfo(struct net_device *dev,
7861 struct ethtool_drvinfo *info)
7862 {
7863 struct bnx2x *bp = netdev_priv(dev);
7864 u8 phy_fw_ver[PHY_FW_VER_LEN];
7865
7866 strcpy(info->driver, DRV_MODULE_NAME);
7867 strcpy(info->version, DRV_MODULE_VERSION);
7868
7869 phy_fw_ver[0] = '\0';
7870 if (bp->port.pmf) {
7871 bnx2x_acquire_phy_lock(bp);
7872 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7873 (bp->state != BNX2X_STATE_CLOSED),
7874 phy_fw_ver, PHY_FW_VER_LEN);
7875 bnx2x_release_phy_lock(bp);
7876 }
7877
7878 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7879 (bp->common.bc_ver & 0xff0000) >> 16,
7880 (bp->common.bc_ver & 0xff00) >> 8,
7881 (bp->common.bc_ver & 0xff),
7882 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
7883 strcpy(info->bus_info, pci_name(bp->pdev));
7884 info->n_stats = BNX2X_NUM_STATS;
7885 info->testinfo_len = BNX2X_NUM_TESTS;
7886 info->eedump_len = bp->common.flash_size;
7887 info->regdump_len = 0;
7888 }
7889
7890 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7891 {
7892 struct bnx2x *bp = netdev_priv(dev);
7893
7894 if (bp->flags & NO_WOL_FLAG) {
7895 wol->supported = 0;
7896 wol->wolopts = 0;
7897 } else {
7898 wol->supported = WAKE_MAGIC;
7899 if (bp->wol)
7900 wol->wolopts = WAKE_MAGIC;
7901 else
7902 wol->wolopts = 0;
7903 }
7904 memset(&wol->sopass, 0, sizeof(wol->sopass));
7905 }
7906
7907 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7908 {
7909 struct bnx2x *bp = netdev_priv(dev);
7910
7911 if (wol->wolopts & ~WAKE_MAGIC)
7912 return -EINVAL;
7913
7914 if (wol->wolopts & WAKE_MAGIC) {
7915 if (bp->flags & NO_WOL_FLAG)
7916 return -EINVAL;
7917
7918 bp->wol = 1;
7919 } else
7920 bp->wol = 0;
7921
7922 return 0;
7923 }
7924
7925 static u32 bnx2x_get_msglevel(struct net_device *dev)
7926 {
7927 struct bnx2x *bp = netdev_priv(dev);
7928
7929 return bp->msglevel;
7930 }
7931
7932 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7933 {
7934 struct bnx2x *bp = netdev_priv(dev);
7935
7936 if (capable(CAP_NET_ADMIN))
7937 bp->msglevel = level;
7938 }
7939
7940 static int bnx2x_nway_reset(struct net_device *dev)
7941 {
7942 struct bnx2x *bp = netdev_priv(dev);
7943
7944 if (!bp->port.pmf)
7945 return 0;
7946
7947 if (netif_running(dev)) {
7948 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7949 bnx2x_link_set(bp);
7950 }
7951
7952 return 0;
7953 }
7954
7955 static int bnx2x_get_eeprom_len(struct net_device *dev)
7956 {
7957 struct bnx2x *bp = netdev_priv(dev);
7958
7959 return bp->common.flash_size;
7960 }
7961
7962 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7963 {
7964 int port = BP_PORT(bp);
7965 int count, i;
7966 u32 val = 0;
7967
7968 /* adjust timeout for emulation/FPGA */
7969 count = NVRAM_TIMEOUT_COUNT;
7970 if (CHIP_REV_IS_SLOW(bp))
7971 count *= 100;
7972
7973 /* request access to nvram interface */
7974 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7975 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7976
7977 for (i = 0; i < count*10; i++) {
7978 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7979 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7980 break;
7981
7982 udelay(5);
7983 }
7984
7985 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
7986 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
7987 return -EBUSY;
7988 }
7989
7990 return 0;
7991 }
7992
7993 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7994 {
7995 int port = BP_PORT(bp);
7996 int count, i;
7997 u32 val = 0;
7998
7999 /* adjust timeout for emulation/FPGA */
8000 count = NVRAM_TIMEOUT_COUNT;
8001 if (CHIP_REV_IS_SLOW(bp))
8002 count *= 100;
8003
8004 /* relinquish nvram interface */
8005 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
8006 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
8007
8008 for (i = 0; i < count*10; i++) {
8009 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
8010 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
8011 break;
8012
8013 udelay(5);
8014 }
8015
8016 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
8017 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
8018 return -EBUSY;
8019 }
8020
8021 return 0;
8022 }
8023
8024 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
8025 {
8026 u32 val;
8027
8028 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
8029
8030 /* enable both bits, even on read */
8031 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
8032 (val | MCPR_NVM_ACCESS_ENABLE_EN |
8033 MCPR_NVM_ACCESS_ENABLE_WR_EN));
8034 }
8035
8036 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
8037 {
8038 u32 val;
8039
8040 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
8041
8042 /* disable both bits, even after read */
8043 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
8044 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
8045 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
8046 }
8047
8048 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
8049 u32 cmd_flags)
8050 {
8051 int count, i, rc;
8052 u32 val;
8053
8054 /* build the command word */
8055 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
8056
8057 /* need to clear DONE bit separately */
8058 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8059
8060 /* address of the NVRAM to read from */
8061 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8062 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8063
8064 /* issue a read command */
8065 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8066
8067 /* adjust timeout for emulation/FPGA */
8068 count = NVRAM_TIMEOUT_COUNT;
8069 if (CHIP_REV_IS_SLOW(bp))
8070 count *= 100;
8071
8072 /* wait for completion */
8073 *ret_val = 0;
8074 rc = -EBUSY;
8075 for (i = 0; i < count; i++) {
8076 udelay(5);
8077 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8078
8079 if (val & MCPR_NVM_COMMAND_DONE) {
8080 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
8081 /* we read nvram data in cpu order
8082 * but ethtool sees it as an array of bytes
8083 * converting to big-endian will do the work */
8084 val = cpu_to_be32(val);
8085 *ret_val = val;
8086 rc = 0;
8087 break;
8088 }
8089 }
8090
8091 return rc;
8092 }
8093
8094 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8095 int buf_size)
8096 {
8097 int rc;
8098 u32 cmd_flags;
8099 u32 val;
8100
8101 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8102 DP(BNX2X_MSG_NVM,
8103 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
8104 offset, buf_size);
8105 return -EINVAL;
8106 }
8107
8108 if (offset + buf_size > bp->common.flash_size) {
8109 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8110 " buf_size (0x%x) > flash_size (0x%x)\n",
8111 offset, buf_size, bp->common.flash_size);
8112 return -EINVAL;
8113 }
8114
8115 /* request access to nvram interface */
8116 rc = bnx2x_acquire_nvram_lock(bp);
8117 if (rc)
8118 return rc;
8119
8120 /* enable access to nvram interface */
8121 bnx2x_enable_nvram_access(bp);
8122
8123 /* read the first word(s) */
8124 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8125 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8126 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8127 memcpy(ret_buf, &val, 4);
8128
8129 /* advance to the next dword */
8130 offset += sizeof(u32);
8131 ret_buf += sizeof(u32);
8132 buf_size -= sizeof(u32);
8133 cmd_flags = 0;
8134 }
8135
8136 if (rc == 0) {
8137 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8138 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8139 memcpy(ret_buf, &val, 4);
8140 }
8141
8142 /* disable access to nvram interface */
8143 bnx2x_disable_nvram_access(bp);
8144 bnx2x_release_nvram_lock(bp);
8145
8146 return rc;
8147 }
8148
8149 static int bnx2x_get_eeprom(struct net_device *dev,
8150 struct ethtool_eeprom *eeprom, u8 *eebuf)
8151 {
8152 struct bnx2x *bp = netdev_priv(dev);
8153 int rc;
8154
8155 if (!netif_running(dev))
8156 return -EAGAIN;
8157
8158 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8159 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8160 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8161 eeprom->len, eeprom->len);
8162
8163 /* parameters already validated in ethtool_get_eeprom */
8164
8165 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8166
8167 return rc;
8168 }
8169
8170 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8171 u32 cmd_flags)
8172 {
8173 int count, i, rc;
8174
8175 /* build the command word */
8176 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8177
8178 /* need to clear DONE bit separately */
8179 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8180
8181 /* write the data */
8182 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8183
8184 /* address of the NVRAM to write to */
8185 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8186 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8187
8188 /* issue the write command */
8189 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8190
8191 /* adjust timeout for emulation/FPGA */
8192 count = NVRAM_TIMEOUT_COUNT;
8193 if (CHIP_REV_IS_SLOW(bp))
8194 count *= 100;
8195
8196 /* wait for completion */
8197 rc = -EBUSY;
8198 for (i = 0; i < count; i++) {
8199 udelay(5);
8200 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8201 if (val & MCPR_NVM_COMMAND_DONE) {
8202 rc = 0;
8203 break;
8204 }
8205 }
8206
8207 return rc;
8208 }
8209
8210 #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
8211
8212 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8213 int buf_size)
8214 {
8215 int rc;
8216 u32 cmd_flags;
8217 u32 align_offset;
8218 u32 val;
8219
8220 if (offset + buf_size > bp->common.flash_size) {
8221 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8222 " buf_size (0x%x) > flash_size (0x%x)\n",
8223 offset, buf_size, bp->common.flash_size);
8224 return -EINVAL;
8225 }
8226
8227 /* request access to nvram interface */
8228 rc = bnx2x_acquire_nvram_lock(bp);
8229 if (rc)
8230 return rc;
8231
8232 /* enable access to nvram interface */
8233 bnx2x_enable_nvram_access(bp);
8234
8235 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8236 align_offset = (offset & ~0x03);
8237 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8238
8239 if (rc == 0) {
8240 val &= ~(0xff << BYTE_OFFSET(offset));
8241 val |= (*data_buf << BYTE_OFFSET(offset));
8242
8243 /* nvram data is returned as an array of bytes
8244 * convert it back to cpu order */
8245 val = be32_to_cpu(val);
8246
8247 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8248 cmd_flags);
8249 }
8250
8251 /* disable access to nvram interface */
8252 bnx2x_disable_nvram_access(bp);
8253 bnx2x_release_nvram_lock(bp);
8254
8255 return rc;
8256 }
8257
8258 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8259 int buf_size)
8260 {
8261 int rc;
8262 u32 cmd_flags;
8263 u32 val;
8264 u32 written_so_far;
8265
8266 if (buf_size == 1) /* ethtool */
8267 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
8268
8269 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8270 DP(BNX2X_MSG_NVM,
8271 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
8272 offset, buf_size);
8273 return -EINVAL;
8274 }
8275
8276 if (offset + buf_size > bp->common.flash_size) {
8277 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8278 " buf_size (0x%x) > flash_size (0x%x)\n",
8279 offset, buf_size, bp->common.flash_size);
8280 return -EINVAL;
8281 }
8282
8283 /* request access to nvram interface */
8284 rc = bnx2x_acquire_nvram_lock(bp);
8285 if (rc)
8286 return rc;
8287
8288 /* enable access to nvram interface */
8289 bnx2x_enable_nvram_access(bp);
8290
8291 written_so_far = 0;
8292 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8293 while ((written_so_far < buf_size) && (rc == 0)) {
8294 if (written_so_far == (buf_size - sizeof(u32)))
8295 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8296 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8297 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8298 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8299 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8300
8301 memcpy(&val, data_buf, 4);
8302
8303 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8304
8305 /* advance to the next dword */
8306 offset += sizeof(u32);
8307 data_buf += sizeof(u32);
8308 written_so_far += sizeof(u32);
8309 cmd_flags = 0;
8310 }
8311
8312 /* disable access to nvram interface */
8313 bnx2x_disable_nvram_access(bp);
8314 bnx2x_release_nvram_lock(bp);
8315
8316 return rc;
8317 }
8318
8319 static int bnx2x_set_eeprom(struct net_device *dev,
8320 struct ethtool_eeprom *eeprom, u8 *eebuf)
8321 {
8322 struct bnx2x *bp = netdev_priv(dev);
8323 int rc;
8324
8325 if (!netif_running(dev))
8326 return -EAGAIN;
8327
8328 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8329 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8330 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8331 eeprom->len, eeprom->len);
8332
8333 /* parameters already validated in ethtool_set_eeprom */
8334
8335 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8336 if (eeprom->magic == 0x00504859)
8337 if (bp->port.pmf) {
8338
8339 bnx2x_acquire_phy_lock(bp);
8340 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8341 bp->link_params.ext_phy_config,
8342 (bp->state != BNX2X_STATE_CLOSED),
8343 eebuf, eeprom->len);
8344 if ((bp->state == BNX2X_STATE_OPEN) ||
8345 (bp->state == BNX2X_STATE_DISABLED)) {
8346 rc |= bnx2x_link_reset(&bp->link_params,
8347 &bp->link_vars);
8348 rc |= bnx2x_phy_init(&bp->link_params,
8349 &bp->link_vars);
8350 }
8351 bnx2x_release_phy_lock(bp);
8352
8353 } else /* Only the PMF can access the PHY */
8354 return -EINVAL;
8355 else
8356 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
8357
8358 return rc;
8359 }
8360
8361 static int bnx2x_get_coalesce(struct net_device *dev,
8362 struct ethtool_coalesce *coal)
8363 {
8364 struct bnx2x *bp = netdev_priv(dev);
8365
8366 memset(coal, 0, sizeof(struct ethtool_coalesce));
8367
8368 coal->rx_coalesce_usecs = bp->rx_ticks;
8369 coal->tx_coalesce_usecs = bp->tx_ticks;
8370
8371 return 0;
8372 }
8373
8374 static int bnx2x_set_coalesce(struct net_device *dev,
8375 struct ethtool_coalesce *coal)
8376 {
8377 struct bnx2x *bp = netdev_priv(dev);
8378
8379 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8380 if (bp->rx_ticks > 3000)
8381 bp->rx_ticks = 3000;
8382
8383 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8384 if (bp->tx_ticks > 0x3000)
8385 bp->tx_ticks = 0x3000;
8386
8387 if (netif_running(dev))
8388 bnx2x_update_coalesce(bp);
8389
8390 return 0;
8391 }
8392
8393 static void bnx2x_get_ringparam(struct net_device *dev,
8394 struct ethtool_ringparam *ering)
8395 {
8396 struct bnx2x *bp = netdev_priv(dev);
8397
8398 ering->rx_max_pending = MAX_RX_AVAIL;
8399 ering->rx_mini_max_pending = 0;
8400 ering->rx_jumbo_max_pending = 0;
8401
8402 ering->rx_pending = bp->rx_ring_size;
8403 ering->rx_mini_pending = 0;
8404 ering->rx_jumbo_pending = 0;
8405
8406 ering->tx_max_pending = MAX_TX_AVAIL;
8407 ering->tx_pending = bp->tx_ring_size;
8408 }
8409
8410 static int bnx2x_set_ringparam(struct net_device *dev,
8411 struct ethtool_ringparam *ering)
8412 {
8413 struct bnx2x *bp = netdev_priv(dev);
8414 int rc = 0;
8415
8416 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8417 (ering->tx_pending > MAX_TX_AVAIL) ||
8418 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8419 return -EINVAL;
8420
8421 bp->rx_ring_size = ering->rx_pending;
8422 bp->tx_ring_size = ering->tx_pending;
8423
8424 if (netif_running(dev)) {
8425 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8426 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8427 }
8428
8429 return rc;
8430 }
8431
8432 static void bnx2x_get_pauseparam(struct net_device *dev,
8433 struct ethtool_pauseparam *epause)
8434 {
8435 struct bnx2x *bp = netdev_priv(dev);
8436
8437 epause->autoneg = (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
8438 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8439
8440 epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
8441 BNX2X_FLOW_CTRL_RX);
8442 epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
8443 BNX2X_FLOW_CTRL_TX);
8444
8445 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8446 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8447 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8448 }
8449
8450 static int bnx2x_set_pauseparam(struct net_device *dev,
8451 struct ethtool_pauseparam *epause)
8452 {
8453 struct bnx2x *bp = netdev_priv(dev);
8454
8455 if (IS_E1HMF(bp))
8456 return 0;
8457
8458 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8459 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8460 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8461
8462 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
8463
8464 if (epause->rx_pause)
8465 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX;
8466
8467 if (epause->tx_pause)
8468 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX;
8469
8470 if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
8471 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
8472
8473 if (epause->autoneg) {
8474 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
8475 DP(NETIF_MSG_LINK, "autoneg not supported\n");
8476 return -EINVAL;
8477 }
8478
8479 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8480 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
8481 }
8482
8483 DP(NETIF_MSG_LINK,
8484 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8485
8486 if (netif_running(dev)) {
8487 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8488 bnx2x_link_set(bp);
8489 }
8490
8491 return 0;
8492 }
8493
8494 static int bnx2x_set_flags(struct net_device *dev, u32 data)
8495 {
8496 struct bnx2x *bp = netdev_priv(dev);
8497 int changed = 0;
8498 int rc = 0;
8499
8500 /* TPA requires Rx CSUM offloading */
8501 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8502 if (!(dev->features & NETIF_F_LRO)) {
8503 dev->features |= NETIF_F_LRO;
8504 bp->flags |= TPA_ENABLE_FLAG;
8505 changed = 1;
8506 }
8507
8508 } else if (dev->features & NETIF_F_LRO) {
8509 dev->features &= ~NETIF_F_LRO;
8510 bp->flags &= ~TPA_ENABLE_FLAG;
8511 changed = 1;
8512 }
8513
8514 if (changed && netif_running(dev)) {
8515 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8516 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8517 }
8518
8519 return rc;
8520 }
8521
8522 static u32 bnx2x_get_rx_csum(struct net_device *dev)
8523 {
8524 struct bnx2x *bp = netdev_priv(dev);
8525
8526 return bp->rx_csum;
8527 }
8528
8529 static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8530 {
8531 struct bnx2x *bp = netdev_priv(dev);
8532 int rc = 0;
8533
8534 bp->rx_csum = data;
8535
8536 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8537 TPA'ed packets will be discarded due to wrong TCP CSUM */
8538 if (!data) {
8539 u32 flags = ethtool_op_get_flags(dev);
8540
8541 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8542 }
8543
8544 return rc;
8545 }
8546
8547 static int bnx2x_set_tso(struct net_device *dev, u32 data)
8548 {
8549 if (data) {
8550 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
8551 dev->features |= NETIF_F_TSO6;
8552 } else {
8553 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
8554 dev->features &= ~NETIF_F_TSO6;
8555 }
8556
8557 return 0;
8558 }
8559
8560 static const struct {
8561 char string[ETH_GSTRING_LEN];
8562 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
8563 { "register_test (offline)" },
8564 { "memory_test (offline)" },
8565 { "loopback_test (offline)" },
8566 { "nvram_test (online)" },
8567 { "interrupt_test (online)" },
8568 { "link_test (online)" },
8569 { "idle check (online)" },
8570 { "MC errors (online)" }
8571 };
8572
8573 static int bnx2x_self_test_count(struct net_device *dev)
8574 {
8575 return BNX2X_NUM_TESTS;
8576 }
8577
8578 static int bnx2x_test_registers(struct bnx2x *bp)
8579 {
8580 int idx, i, rc = -ENODEV;
8581 u32 wr_val = 0;
8582 int port = BP_PORT(bp);
8583 static const struct {
8584 u32 offset0;
8585 u32 offset1;
8586 u32 mask;
8587 } reg_tbl[] = {
8588 /* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8589 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8590 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8591 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8592 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8593 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8594 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8595 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8596 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8597 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8598 /* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8599 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8600 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8601 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8602 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8603 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8604 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8605 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8606 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8607 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8608 /* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8609 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8610 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8611 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8612 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8613 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8614 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8615 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8616 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8617 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8618 /* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8619 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8620 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8621 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8622 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8623 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8624 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8625 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8626
8627 { 0xffffffff, 0, 0x00000000 }
8628 };
8629
8630 if (!netif_running(bp->dev))
8631 return rc;
8632
8633 /* Repeat the test twice:
8634 First by writing 0x00000000, second by writing 0xffffffff */
8635 for (idx = 0; idx < 2; idx++) {
8636
8637 switch (idx) {
8638 case 0:
8639 wr_val = 0;
8640 break;
8641 case 1:
8642 wr_val = 0xffffffff;
8643 break;
8644 }
8645
8646 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8647 u32 offset, mask, save_val, val;
8648
8649 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8650 mask = reg_tbl[i].mask;
8651
8652 save_val = REG_RD(bp, offset);
8653
8654 REG_WR(bp, offset, wr_val);
8655 val = REG_RD(bp, offset);
8656
8657 /* Restore the original register's value */
8658 REG_WR(bp, offset, save_val);
8659
8660 /* verify that value is as expected value */
8661 if ((val & mask) != (wr_val & mask))
8662 goto test_reg_exit;
8663 }
8664 }
8665
8666 rc = 0;
8667
8668 test_reg_exit:
8669 return rc;
8670 }
8671
8672 static int bnx2x_test_memory(struct bnx2x *bp)
8673 {
8674 int i, j, rc = -ENODEV;
8675 u32 val;
8676 static const struct {
8677 u32 offset;
8678 int size;
8679 } mem_tbl[] = {
8680 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8681 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8682 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8683 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8684 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8685 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8686 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8687
8688 { 0xffffffff, 0 }
8689 };
8690 static const struct {
8691 char *name;
8692 u32 offset;
8693 u32 e1_mask;
8694 u32 e1h_mask;
8695 } prty_tbl[] = {
8696 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8697 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8698 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8699 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8700 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8701 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
8702
8703 { NULL, 0xffffffff, 0, 0 }
8704 };
8705
8706 if (!netif_running(bp->dev))
8707 return rc;
8708
8709 /* Go through all the memories */
8710 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8711 for (j = 0; j < mem_tbl[i].size; j++)
8712 REG_RD(bp, mem_tbl[i].offset + j*4);
8713
8714 /* Check the parity status */
8715 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8716 val = REG_RD(bp, prty_tbl[i].offset);
8717 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8718 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
8719 DP(NETIF_MSG_HW,
8720 "%s is 0x%x\n", prty_tbl[i].name, val);
8721 goto test_mem_exit;
8722 }
8723 }
8724
8725 rc = 0;
8726
8727 test_mem_exit:
8728 return rc;
8729 }
8730
8731 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8732 {
8733 int cnt = 1000;
8734
8735 if (link_up)
8736 while (bnx2x_link_test(bp) && cnt--)
8737 msleep(10);
8738 }
8739
8740 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8741 {
8742 unsigned int pkt_size, num_pkts, i;
8743 struct sk_buff *skb;
8744 unsigned char *packet;
8745 struct bnx2x_fastpath *fp = &bp->fp[0];
8746 u16 tx_start_idx, tx_idx;
8747 u16 rx_start_idx, rx_idx;
8748 u16 pkt_prod;
8749 struct sw_tx_bd *tx_buf;
8750 struct eth_tx_bd *tx_bd;
8751 dma_addr_t mapping;
8752 union eth_rx_cqe *cqe;
8753 u8 cqe_fp_flags;
8754 struct sw_rx_bd *rx_buf;
8755 u16 len;
8756 int rc = -ENODEV;
8757
8758 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8759 bp->link_params.loopback_mode = LOOPBACK_BMAC;
8760 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8761
8762 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8763 u16 cnt = 1000;
8764 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
8765 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8766 /* wait until link state is restored */
8767 if (link_up)
8768 while (cnt-- && bnx2x_test_link(&bp->link_params,
8769 &bp->link_vars))
8770 msleep(10);
8771 } else
8772 return -EINVAL;
8773
8774 pkt_size = 1514;
8775 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8776 if (!skb) {
8777 rc = -ENOMEM;
8778 goto test_loopback_exit;
8779 }
8780 packet = skb_put(skb, pkt_size);
8781 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8782 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8783 for (i = ETH_HLEN; i < pkt_size; i++)
8784 packet[i] = (unsigned char) (i & 0xff);
8785
8786 num_pkts = 0;
8787 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8788 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8789
8790 pkt_prod = fp->tx_pkt_prod++;
8791 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8792 tx_buf->first_bd = fp->tx_bd_prod;
8793 tx_buf->skb = skb;
8794
8795 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8796 mapping = pci_map_single(bp->pdev, skb->data,
8797 skb_headlen(skb), PCI_DMA_TODEVICE);
8798 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8799 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8800 tx_bd->nbd = cpu_to_le16(1);
8801 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8802 tx_bd->vlan = cpu_to_le16(pkt_prod);
8803 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8804 ETH_TX_BD_FLAGS_END_BD);
8805 tx_bd->general_data = ((UNICAST_ADDRESS <<
8806 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8807
8808 wmb();
8809
8810 fp->hw_tx_prods->bds_prod =
8811 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8812 mb(); /* FW restriction: must not reorder writing nbd and packets */
8813 fp->hw_tx_prods->packets_prod =
8814 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8815 DOORBELL(bp, FP_IDX(fp), 0);
8816
8817 mmiowb();
8818
8819 num_pkts++;
8820 fp->tx_bd_prod++;
8821 bp->dev->trans_start = jiffies;
8822
8823 udelay(100);
8824
8825 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8826 if (tx_idx != tx_start_idx + num_pkts)
8827 goto test_loopback_exit;
8828
8829 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8830 if (rx_idx != rx_start_idx + num_pkts)
8831 goto test_loopback_exit;
8832
8833 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8834 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8835 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8836 goto test_loopback_rx_exit;
8837
8838 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8839 if (len != pkt_size)
8840 goto test_loopback_rx_exit;
8841
8842 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8843 skb = rx_buf->skb;
8844 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8845 for (i = ETH_HLEN; i < pkt_size; i++)
8846 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8847 goto test_loopback_rx_exit;
8848
8849 rc = 0;
8850
8851 test_loopback_rx_exit:
8852
8853 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8854 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8855 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8856 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8857
8858 /* Update producers */
8859 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8860 fp->rx_sge_prod);
8861
8862 test_loopback_exit:
8863 bp->link_params.loopback_mode = LOOPBACK_NONE;
8864
8865 return rc;
8866 }
8867
8868 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8869 {
8870 int rc = 0;
8871
8872 if (!netif_running(bp->dev))
8873 return BNX2X_LOOPBACK_FAILED;
8874
8875 bnx2x_netif_stop(bp, 1);
8876 bnx2x_acquire_phy_lock(bp);
8877
8878 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8879 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8880 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8881 }
8882
8883 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8884 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8885 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8886 }
8887
8888 bnx2x_release_phy_lock(bp);
8889 bnx2x_netif_start(bp);
8890
8891 return rc;
8892 }
8893
8894 #define CRC32_RESIDUAL 0xdebb20e3
8895
8896 static int bnx2x_test_nvram(struct bnx2x *bp)
8897 {
8898 static const struct {
8899 int offset;
8900 int size;
8901 } nvram_tbl[] = {
8902 { 0, 0x14 }, /* bootstrap */
8903 { 0x14, 0xec }, /* dir */
8904 { 0x100, 0x350 }, /* manuf_info */
8905 { 0x450, 0xf0 }, /* feature_info */
8906 { 0x640, 0x64 }, /* upgrade_key_info */
8907 { 0x6a4, 0x64 },
8908 { 0x708, 0x70 }, /* manuf_key_info */
8909 { 0x778, 0x70 },
8910 { 0, 0 }
8911 };
8912 u32 buf[0x350 / 4];
8913 u8 *data = (u8 *)buf;
8914 int i, rc;
8915 u32 magic, csum;
8916
8917 rc = bnx2x_nvram_read(bp, 0, data, 4);
8918 if (rc) {
8919 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8920 goto test_nvram_exit;
8921 }
8922
8923 magic = be32_to_cpu(buf[0]);
8924 if (magic != 0x669955aa) {
8925 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8926 rc = -ENODEV;
8927 goto test_nvram_exit;
8928 }
8929
8930 for (i = 0; nvram_tbl[i].size; i++) {
8931
8932 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8933 nvram_tbl[i].size);
8934 if (rc) {
8935 DP(NETIF_MSG_PROBE,
8936 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8937 goto test_nvram_exit;
8938 }
8939
8940 csum = ether_crc_le(nvram_tbl[i].size, data);
8941 if (csum != CRC32_RESIDUAL) {
8942 DP(NETIF_MSG_PROBE,
8943 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8944 rc = -ENODEV;
8945 goto test_nvram_exit;
8946 }
8947 }
8948
8949 test_nvram_exit:
8950 return rc;
8951 }
8952
8953 static int bnx2x_test_intr(struct bnx2x *bp)
8954 {
8955 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8956 int i, rc;
8957
8958 if (!netif_running(bp->dev))
8959 return -ENODEV;
8960
8961 config->hdr.length_6b = 0;
8962 if (CHIP_IS_E1(bp))
8963 config->hdr.offset = (BP_PORT(bp) ? 32 : 0);
8964 else
8965 config->hdr.offset = BP_FUNC(bp);
8966 config->hdr.client_id = BP_CL_ID(bp);
8967 config->hdr.reserved1 = 0;
8968
8969 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8970 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8971 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8972 if (rc == 0) {
8973 bp->set_mac_pending++;
8974 for (i = 0; i < 10; i++) {
8975 if (!bp->set_mac_pending)
8976 break;
8977 msleep_interruptible(10);
8978 }
8979 if (i == 10)
8980 rc = -ENODEV;
8981 }
8982
8983 return rc;
8984 }
8985
8986 static void bnx2x_self_test(struct net_device *dev,
8987 struct ethtool_test *etest, u64 *buf)
8988 {
8989 struct bnx2x *bp = netdev_priv(dev);
8990
8991 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8992
8993 if (!netif_running(dev))
8994 return;
8995
8996 /* offline tests are not supported in MF mode */
8997 if (IS_E1HMF(bp))
8998 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8999
9000 if (etest->flags & ETH_TEST_FL_OFFLINE) {
9001 u8 link_up;
9002
9003 link_up = bp->link_vars.link_up;
9004 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9005 bnx2x_nic_load(bp, LOAD_DIAG);
9006 /* wait until link state is restored */
9007 bnx2x_wait_for_link(bp, link_up);
9008
9009 if (bnx2x_test_registers(bp) != 0) {
9010 buf[0] = 1;
9011 etest->flags |= ETH_TEST_FL_FAILED;
9012 }
9013 if (bnx2x_test_memory(bp) != 0) {
9014 buf[1] = 1;
9015 etest->flags |= ETH_TEST_FL_FAILED;
9016 }
9017 buf[2] = bnx2x_test_loopback(bp, link_up);
9018 if (buf[2] != 0)
9019 etest->flags |= ETH_TEST_FL_FAILED;
9020
9021 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9022 bnx2x_nic_load(bp, LOAD_NORMAL);
9023 /* wait until link state is restored */
9024 bnx2x_wait_for_link(bp, link_up);
9025 }
9026 if (bnx2x_test_nvram(bp) != 0) {
9027 buf[3] = 1;
9028 etest->flags |= ETH_TEST_FL_FAILED;
9029 }
9030 if (bnx2x_test_intr(bp) != 0) {
9031 buf[4] = 1;
9032 etest->flags |= ETH_TEST_FL_FAILED;
9033 }
9034 if (bp->port.pmf)
9035 if (bnx2x_link_test(bp) != 0) {
9036 buf[5] = 1;
9037 etest->flags |= ETH_TEST_FL_FAILED;
9038 }
9039 buf[7] = bnx2x_mc_assert(bp);
9040 if (buf[7] != 0)
9041 etest->flags |= ETH_TEST_FL_FAILED;
9042
9043 #ifdef BNX2X_EXTRA_DEBUG
9044 bnx2x_panic_dump(bp);
9045 #endif
9046 }
9047
9048 static const struct {
9049 long offset;
9050 int size;
9051 u32 flags;
9052 #define STATS_FLAGS_PORT 1
9053 #define STATS_FLAGS_FUNC 2
9054 u8 string[ETH_GSTRING_LEN];
9055 } bnx2x_stats_arr[BNX2X_NUM_STATS] = {
9056 /* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
9057 8, STATS_FLAGS_FUNC, "rx_bytes" },
9058 { STATS_OFFSET32(error_bytes_received_hi),
9059 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
9060 { STATS_OFFSET32(total_bytes_transmitted_hi),
9061 8, STATS_FLAGS_FUNC, "tx_bytes" },
9062 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
9063 8, STATS_FLAGS_PORT, "tx_error_bytes" },
9064 { STATS_OFFSET32(total_unicast_packets_received_hi),
9065 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
9066 { STATS_OFFSET32(total_multicast_packets_received_hi),
9067 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
9068 { STATS_OFFSET32(total_broadcast_packets_received_hi),
9069 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
9070 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
9071 8, STATS_FLAGS_FUNC, "tx_packets" },
9072 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
9073 8, STATS_FLAGS_PORT, "tx_mac_errors" },
9074 /* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
9075 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
9076 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
9077 8, STATS_FLAGS_PORT, "rx_crc_errors" },
9078 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
9079 8, STATS_FLAGS_PORT, "rx_align_errors" },
9080 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
9081 8, STATS_FLAGS_PORT, "tx_single_collisions" },
9082 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
9083 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
9084 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
9085 8, STATS_FLAGS_PORT, "tx_deferred" },
9086 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
9087 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
9088 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
9089 8, STATS_FLAGS_PORT, "tx_late_collisions" },
9090 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
9091 8, STATS_FLAGS_PORT, "tx_total_collisions" },
9092 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
9093 8, STATS_FLAGS_PORT, "rx_fragments" },
9094 /* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9095 8, STATS_FLAGS_PORT, "rx_jabbers" },
9096 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
9097 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
9098 { STATS_OFFSET32(jabber_packets_received),
9099 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
9100 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
9101 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
9102 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
9103 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
9104 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
9105 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
9106 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
9107 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
9108 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
9109 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
9110 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
9111 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
9112 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
9113 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
9114 /* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
9115 8, STATS_FLAGS_PORT, "rx_xon_frames" },
9116 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
9117 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9118 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9119 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9120 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9121 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
9122 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
9123 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9124 { STATS_OFFSET32(mac_filter_discard),
9125 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9126 { STATS_OFFSET32(no_buff_discard),
9127 4, STATS_FLAGS_FUNC, "rx_discards" },
9128 { STATS_OFFSET32(xxoverflow_discard),
9129 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9130 { STATS_OFFSET32(brb_drop_hi),
9131 8, STATS_FLAGS_PORT, "brb_discard" },
9132 { STATS_OFFSET32(brb_truncate_hi),
9133 8, STATS_FLAGS_PORT, "brb_truncate" },
9134 /* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9135 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9136 { STATS_OFFSET32(rx_skb_alloc_failed),
9137 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9138 /* 42 */{ STATS_OFFSET32(hw_csum_err),
9139 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
9140 };
9141
9142 #define IS_NOT_E1HMF_STAT(bp, i) \
9143 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9144
9145 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9146 {
9147 struct bnx2x *bp = netdev_priv(dev);
9148 int i, j;
9149
9150 switch (stringset) {
9151 case ETH_SS_STATS:
9152 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9153 if (IS_NOT_E1HMF_STAT(bp, i))
9154 continue;
9155 strcpy(buf + j*ETH_GSTRING_LEN,
9156 bnx2x_stats_arr[i].string);
9157 j++;
9158 }
9159 break;
9160
9161 case ETH_SS_TEST:
9162 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9163 break;
9164 }
9165 }
9166
9167 static int bnx2x_get_stats_count(struct net_device *dev)
9168 {
9169 struct bnx2x *bp = netdev_priv(dev);
9170 int i, num_stats = 0;
9171
9172 for (i = 0; i < BNX2X_NUM_STATS; i++) {
9173 if (IS_NOT_E1HMF_STAT(bp, i))
9174 continue;
9175 num_stats++;
9176 }
9177 return num_stats;
9178 }
9179
9180 static void bnx2x_get_ethtool_stats(struct net_device *dev,
9181 struct ethtool_stats *stats, u64 *buf)
9182 {
9183 struct bnx2x *bp = netdev_priv(dev);
9184 u32 *hw_stats = (u32 *)&bp->eth_stats;
9185 int i, j;
9186
9187 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9188 if (IS_NOT_E1HMF_STAT(bp, i))
9189 continue;
9190
9191 if (bnx2x_stats_arr[i].size == 0) {
9192 /* skip this counter */
9193 buf[j] = 0;
9194 j++;
9195 continue;
9196 }
9197 if (bnx2x_stats_arr[i].size == 4) {
9198 /* 4-byte counter */
9199 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9200 j++;
9201 continue;
9202 }
9203 /* 8-byte counter */
9204 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9205 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9206 j++;
9207 }
9208 }
9209
9210 static int bnx2x_phys_id(struct net_device *dev, u32 data)
9211 {
9212 struct bnx2x *bp = netdev_priv(dev);
9213 int port = BP_PORT(bp);
9214 int i;
9215
9216 if (!netif_running(dev))
9217 return 0;
9218
9219 if (!bp->port.pmf)
9220 return 0;
9221
9222 if (data == 0)
9223 data = 2;
9224
9225 for (i = 0; i < (data * 2); i++) {
9226 if ((i % 2) == 0)
9227 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
9228 bp->link_params.hw_led_mode,
9229 bp->link_params.chip_id);
9230 else
9231 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
9232 bp->link_params.hw_led_mode,
9233 bp->link_params.chip_id);
9234
9235 msleep_interruptible(500);
9236 if (signal_pending(current))
9237 break;
9238 }
9239
9240 if (bp->link_vars.link_up)
9241 bnx2x_set_led(bp, port, LED_MODE_OPER,
9242 bp->link_vars.line_speed,
9243 bp->link_params.hw_led_mode,
9244 bp->link_params.chip_id);
9245
9246 return 0;
9247 }
9248
9249 static struct ethtool_ops bnx2x_ethtool_ops = {
9250 .get_settings = bnx2x_get_settings,
9251 .set_settings = bnx2x_set_settings,
9252 .get_drvinfo = bnx2x_get_drvinfo,
9253 .get_wol = bnx2x_get_wol,
9254 .set_wol = bnx2x_set_wol,
9255 .get_msglevel = bnx2x_get_msglevel,
9256 .set_msglevel = bnx2x_set_msglevel,
9257 .nway_reset = bnx2x_nway_reset,
9258 .get_link = ethtool_op_get_link,
9259 .get_eeprom_len = bnx2x_get_eeprom_len,
9260 .get_eeprom = bnx2x_get_eeprom,
9261 .set_eeprom = bnx2x_set_eeprom,
9262 .get_coalesce = bnx2x_get_coalesce,
9263 .set_coalesce = bnx2x_set_coalesce,
9264 .get_ringparam = bnx2x_get_ringparam,
9265 .set_ringparam = bnx2x_set_ringparam,
9266 .get_pauseparam = bnx2x_get_pauseparam,
9267 .set_pauseparam = bnx2x_set_pauseparam,
9268 .get_rx_csum = bnx2x_get_rx_csum,
9269 .set_rx_csum = bnx2x_set_rx_csum,
9270 .get_tx_csum = ethtool_op_get_tx_csum,
9271 .set_tx_csum = ethtool_op_set_tx_hw_csum,
9272 .set_flags = bnx2x_set_flags,
9273 .get_flags = ethtool_op_get_flags,
9274 .get_sg = ethtool_op_get_sg,
9275 .set_sg = ethtool_op_set_sg,
9276 .get_tso = ethtool_op_get_tso,
9277 .set_tso = bnx2x_set_tso,
9278 .self_test_count = bnx2x_self_test_count,
9279 .self_test = bnx2x_self_test,
9280 .get_strings = bnx2x_get_strings,
9281 .phys_id = bnx2x_phys_id,
9282 .get_stats_count = bnx2x_get_stats_count,
9283 .get_ethtool_stats = bnx2x_get_ethtool_stats,
9284 };
9285
9286 /* end of ethtool_ops */
9287
9288 /****************************************************************************
9289 * General service functions
9290 ****************************************************************************/
9291
9292 static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9293 {
9294 u16 pmcsr;
9295
9296 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9297
9298 switch (state) {
9299 case PCI_D0:
9300 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9301 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9302 PCI_PM_CTRL_PME_STATUS));
9303
9304 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9305 /* delay required during transition out of D3hot */
9306 msleep(20);
9307 break;
9308
9309 case PCI_D3hot:
9310 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9311 pmcsr |= 3;
9312
9313 if (bp->wol)
9314 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9315
9316 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9317 pmcsr);
9318
9319 /* No more memory access after this point until
9320 * device is brought back to D0.
9321 */
9322 break;
9323
9324 default:
9325 return -EINVAL;
9326 }
9327 return 0;
9328 }
9329
9330 static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
9331 {
9332 u16 rx_cons_sb;
9333
9334 /* Tell compiler that status block fields can change */
9335 barrier();
9336 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9337 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9338 rx_cons_sb++;
9339 return (fp->rx_comp_cons != rx_cons_sb);
9340 }
9341
9342 /*
9343 * net_device service functions
9344 */
9345
9346 static int bnx2x_poll(struct napi_struct *napi, int budget)
9347 {
9348 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9349 napi);
9350 struct bnx2x *bp = fp->bp;
9351 int work_done = 0;
9352
9353 #ifdef BNX2X_STOP_ON_ERROR
9354 if (unlikely(bp->panic))
9355 goto poll_panic;
9356 #endif
9357
9358 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9359 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9360 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9361
9362 bnx2x_update_fpsb_idx(fp);
9363
9364 if (bnx2x_has_tx_work(fp))
9365 bnx2x_tx_int(fp, budget);
9366
9367 if (bnx2x_has_rx_work(fp))
9368 work_done = bnx2x_rx_int(fp, budget);
9369 rmb(); /* BNX2X_HAS_WORK() reads the status block */
9370
9371 /* must not complete if we consumed full budget */
9372 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
9373
9374 #ifdef BNX2X_STOP_ON_ERROR
9375 poll_panic:
9376 #endif
9377 netif_rx_complete(napi);
9378
9379 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
9380 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9381 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
9382 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9383 }
9384 return work_done;
9385 }
9386
9387
9388 /* we split the first BD into headers and data BDs
9389 * to ease the pain of our fellow microcode engineers
9390 * we use one mapping for both BDs
9391 * So far this has only been observed to happen
9392 * in Other Operating Systems(TM)
9393 */
9394 static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9395 struct bnx2x_fastpath *fp,
9396 struct eth_tx_bd **tx_bd, u16 hlen,
9397 u16 bd_prod, int nbd)
9398 {
9399 struct eth_tx_bd *h_tx_bd = *tx_bd;
9400 struct eth_tx_bd *d_tx_bd;
9401 dma_addr_t mapping;
9402 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9403
9404 /* first fix first BD */
9405 h_tx_bd->nbd = cpu_to_le16(nbd);
9406 h_tx_bd->nbytes = cpu_to_le16(hlen);
9407
9408 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9409 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9410 h_tx_bd->addr_lo, h_tx_bd->nbd);
9411
9412 /* now get a new data BD
9413 * (after the pbd) and fill it */
9414 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9415 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9416
9417 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9418 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9419
9420 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9421 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9422 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9423 d_tx_bd->vlan = 0;
9424 /* this marks the BD as one that has no individual mapping
9425 * the FW ignores this flag in a BD not marked start
9426 */
9427 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9428 DP(NETIF_MSG_TX_QUEUED,
9429 "TSO split data size is %d (%x:%x)\n",
9430 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9431
9432 /* update tx_bd for marking the last BD flag */
9433 *tx_bd = d_tx_bd;
9434
9435 return bd_prod;
9436 }
9437
9438 static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9439 {
9440 if (fix > 0)
9441 csum = (u16) ~csum_fold(csum_sub(csum,
9442 csum_partial(t_header - fix, fix, 0)));
9443
9444 else if (fix < 0)
9445 csum = (u16) ~csum_fold(csum_add(csum,
9446 csum_partial(t_header, -fix, 0)));
9447
9448 return swab16(csum);
9449 }
9450
9451 static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9452 {
9453 u32 rc;
9454
9455 if (skb->ip_summed != CHECKSUM_PARTIAL)
9456 rc = XMIT_PLAIN;
9457
9458 else {
9459 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9460 rc = XMIT_CSUM_V6;
9461 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9462 rc |= XMIT_CSUM_TCP;
9463
9464 } else {
9465 rc = XMIT_CSUM_V4;
9466 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9467 rc |= XMIT_CSUM_TCP;
9468 }
9469 }
9470
9471 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9472 rc |= XMIT_GSO_V4;
9473
9474 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9475 rc |= XMIT_GSO_V6;
9476
9477 return rc;
9478 }
9479
9480 #if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3)
9481 /* check if packet requires linearization (packet is too fragmented) */
9482 static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9483 u32 xmit_type)
9484 {
9485 int to_copy = 0;
9486 int hlen = 0;
9487 int first_bd_sz = 0;
9488
9489 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9490 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9491
9492 if (xmit_type & XMIT_GSO) {
9493 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9494 /* Check if LSO packet needs to be copied:
9495 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9496 int wnd_size = MAX_FETCH_BD - 3;
9497 /* Number of windows to check */
9498 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9499 int wnd_idx = 0;
9500 int frag_idx = 0;
9501 u32 wnd_sum = 0;
9502
9503 /* Headers length */
9504 hlen = (int)(skb_transport_header(skb) - skb->data) +
9505 tcp_hdrlen(skb);
9506
9507 /* Amount of data (w/o headers) on linear part of SKB*/
9508 first_bd_sz = skb_headlen(skb) - hlen;
9509
9510 wnd_sum = first_bd_sz;
9511
9512 /* Calculate the first sum - it's special */
9513 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9514 wnd_sum +=
9515 skb_shinfo(skb)->frags[frag_idx].size;
9516
9517 /* If there was data on linear skb data - check it */
9518 if (first_bd_sz > 0) {
9519 if (unlikely(wnd_sum < lso_mss)) {
9520 to_copy = 1;
9521 goto exit_lbl;
9522 }
9523
9524 wnd_sum -= first_bd_sz;
9525 }
9526
9527 /* Others are easier: run through the frag list and
9528 check all windows */
9529 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9530 wnd_sum +=
9531 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9532
9533 if (unlikely(wnd_sum < lso_mss)) {
9534 to_copy = 1;
9535 break;
9536 }
9537 wnd_sum -=
9538 skb_shinfo(skb)->frags[wnd_idx].size;
9539 }
9540
9541 } else {
9542 /* in non-LSO too fragmented packet should always
9543 be linearized */
9544 to_copy = 1;
9545 }
9546 }
9547
9548 exit_lbl:
9549 if (unlikely(to_copy))
9550 DP(NETIF_MSG_TX_QUEUED,
9551 "Linearization IS REQUIRED for %s packet. "
9552 "num_frags %d hlen %d first_bd_sz %d\n",
9553 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9554 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9555
9556 return to_copy;
9557 }
9558 #endif
9559
9560 /* called with netif_tx_lock
9561 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
9562 * netif_wake_queue()
9563 */
9564 static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9565 {
9566 struct bnx2x *bp = netdev_priv(dev);
9567 struct bnx2x_fastpath *fp;
9568 struct sw_tx_bd *tx_buf;
9569 struct eth_tx_bd *tx_bd;
9570 struct eth_tx_parse_bd *pbd = NULL;
9571 u16 pkt_prod, bd_prod;
9572 int nbd, fp_index;
9573 dma_addr_t mapping;
9574 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9575 int vlan_off = (bp->e1hov ? 4 : 0);
9576 int i;
9577 u8 hlen = 0;
9578
9579 #ifdef BNX2X_STOP_ON_ERROR
9580 if (unlikely(bp->panic))
9581 return NETDEV_TX_BUSY;
9582 #endif
9583
9584 fp_index = (smp_processor_id() % bp->num_queues);
9585 fp = &bp->fp[fp_index];
9586
9587 if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
9588 bp->eth_stats.driver_xoff++,
9589 netif_stop_queue(dev);
9590 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9591 return NETDEV_TX_BUSY;
9592 }
9593
9594 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9595 " gso type %x xmit_type %x\n",
9596 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9597 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9598
9599 #if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3)
9600 /* First, check if we need to linearize the skb
9601 (due to FW restrictions) */
9602 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9603 /* Statistics of linearization */
9604 bp->lin_cnt++;
9605 if (skb_linearize(skb) != 0) {
9606 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9607 "silently dropping this SKB\n");
9608 dev_kfree_skb_any(skb);
9609 return NETDEV_TX_OK;
9610 }
9611 }
9612 #endif
9613
9614 /*
9615 Please read carefully. First we use one BD which we mark as start,
9616 then for TSO or xsum we have a parsing info BD,
9617 and only then we have the rest of the TSO BDs.
9618 (don't forget to mark the last one as last,
9619 and to unmap only AFTER you write to the BD ...)
9620 And above all, all pdb sizes are in words - NOT DWORDS!
9621 */
9622
9623 pkt_prod = fp->tx_pkt_prod++;
9624 bd_prod = TX_BD(fp->tx_bd_prod);
9625
9626 /* get a tx_buf and first BD */
9627 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9628 tx_bd = &fp->tx_desc_ring[bd_prod];
9629
9630 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9631 tx_bd->general_data = (UNICAST_ADDRESS <<
9632 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9633 /* header nbd */
9634 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
9635
9636 /* remember the first BD of the packet */
9637 tx_buf->first_bd = fp->tx_bd_prod;
9638 tx_buf->skb = skb;
9639
9640 DP(NETIF_MSG_TX_QUEUED,
9641 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9642 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9643
9644 #ifdef BCM_VLAN
9645 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb) &&
9646 (bp->flags & HW_VLAN_TX_FLAG)) {
9647 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9648 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
9649 vlan_off += 4;
9650 } else
9651 #endif
9652 tx_bd->vlan = cpu_to_le16(pkt_prod);
9653
9654 if (xmit_type) {
9655 /* turn on parsing and get a BD */
9656 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9657 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9658
9659 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9660 }
9661
9662 if (xmit_type & XMIT_CSUM) {
9663 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9664
9665 /* for now NS flag is not used in Linux */
9666 pbd->global_data = (hlen |
9667 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9668 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9669
9670 pbd->ip_hlen = (skb_transport_header(skb) -
9671 skb_network_header(skb)) / 2;
9672
9673 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9674
9675 pbd->total_hlen = cpu_to_le16(hlen);
9676 hlen = hlen*2 - vlan_off;
9677
9678 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9679
9680 if (xmit_type & XMIT_CSUM_V4)
9681 tx_bd->bd_flags.as_bitfield |=
9682 ETH_TX_BD_FLAGS_IP_CSUM;
9683 else
9684 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9685
9686 if (xmit_type & XMIT_CSUM_TCP) {
9687 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9688
9689 } else {
9690 s8 fix = SKB_CS_OFF(skb); /* signed! */
9691
9692 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9693 pbd->cs_offset = fix / 2;
9694
9695 DP(NETIF_MSG_TX_QUEUED,
9696 "hlen %d offset %d fix %d csum before fix %x\n",
9697 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9698 SKB_CS(skb));
9699
9700 /* HW bug: fixup the CSUM */
9701 pbd->tcp_pseudo_csum =
9702 bnx2x_csum_fix(skb_transport_header(skb),
9703 SKB_CS(skb), fix);
9704
9705 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9706 pbd->tcp_pseudo_csum);
9707 }
9708 }
9709
9710 mapping = pci_map_single(bp->pdev, skb->data,
9711 skb_headlen(skb), PCI_DMA_TODEVICE);
9712
9713 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9714 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9715 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
9716 tx_bd->nbd = cpu_to_le16(nbd);
9717 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9718
9719 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
9720 " nbytes %d flags %x vlan %x\n",
9721 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9722 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9723 le16_to_cpu(tx_bd->vlan));
9724
9725 if (xmit_type & XMIT_GSO) {
9726
9727 DP(NETIF_MSG_TX_QUEUED,
9728 "TSO packet len %d hlen %d total len %d tso size %d\n",
9729 skb->len, hlen, skb_headlen(skb),
9730 skb_shinfo(skb)->gso_size);
9731
9732 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9733
9734 if (unlikely(skb_headlen(skb) > hlen))
9735 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9736 bd_prod, ++nbd);
9737
9738 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9739 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
9740 pbd->tcp_flags = pbd_tcp_flags(skb);
9741
9742 if (xmit_type & XMIT_GSO_V4) {
9743 pbd->ip_id = swab16(ip_hdr(skb)->id);
9744 pbd->tcp_pseudo_csum =
9745 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9746 ip_hdr(skb)->daddr,
9747 0, IPPROTO_TCP, 0));
9748
9749 } else
9750 pbd->tcp_pseudo_csum =
9751 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9752 &ipv6_hdr(skb)->daddr,
9753 0, IPPROTO_TCP, 0));
9754
9755 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9756 }
9757
9758 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9759 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
9760
9761 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9762 tx_bd = &fp->tx_desc_ring[bd_prod];
9763
9764 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9765 frag->size, PCI_DMA_TODEVICE);
9766
9767 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9768 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9769 tx_bd->nbytes = cpu_to_le16(frag->size);
9770 tx_bd->vlan = cpu_to_le16(pkt_prod);
9771 tx_bd->bd_flags.as_bitfield = 0;
9772
9773 DP(NETIF_MSG_TX_QUEUED,
9774 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9775 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9776 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
9777 }
9778
9779 /* now at last mark the BD as the last BD */
9780 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9781
9782 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9783 tx_bd, tx_bd->bd_flags.as_bitfield);
9784
9785 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9786
9787 /* now send a tx doorbell, counting the next BD
9788 * if the packet contains or ends with it
9789 */
9790 if (TX_BD_POFF(bd_prod) < nbd)
9791 nbd++;
9792
9793 if (pbd)
9794 DP(NETIF_MSG_TX_QUEUED,
9795 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9796 " tcp_flags %x xsum %x seq %u hlen %u\n",
9797 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9798 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
9799 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
9800
9801 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
9802
9803 /*
9804 * Make sure that the BD data is updated before updating the producer
9805 * since FW might read the BD right after the producer is updated.
9806 * This is only applicable for weak-ordered memory model archs such
9807 * as IA-64. The following barrier is also mandatory since FW will
9808 * assumes packets must have BDs.
9809 */
9810 wmb();
9811
9812 fp->hw_tx_prods->bds_prod =
9813 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
9814 mb(); /* FW restriction: must not reorder writing nbd and packets */
9815 fp->hw_tx_prods->packets_prod =
9816 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
9817 DOORBELL(bp, FP_IDX(fp), 0);
9818
9819 mmiowb();
9820
9821 fp->tx_bd_prod += nbd;
9822 dev->trans_start = jiffies;
9823
9824 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9825 /* We want bnx2x_tx_int to "see" the updated tx_bd_prod
9826 if we put Tx into XOFF state. */
9827 smp_mb();
9828 netif_stop_queue(dev);
9829 bp->eth_stats.driver_xoff++;
9830 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9831 netif_wake_queue(dev);
9832 }
9833 fp->tx_pkt++;
9834
9835 return NETDEV_TX_OK;
9836 }
9837
9838 /* called with rtnl_lock */
9839 static int bnx2x_open(struct net_device *dev)
9840 {
9841 struct bnx2x *bp = netdev_priv(dev);
9842
9843 netif_carrier_off(dev);
9844
9845 bnx2x_set_power_state(bp, PCI_D0);
9846
9847 return bnx2x_nic_load(bp, LOAD_OPEN);
9848 }
9849
9850 /* called with rtnl_lock */
9851 static int bnx2x_close(struct net_device *dev)
9852 {
9853 struct bnx2x *bp = netdev_priv(dev);
9854
9855 /* Unload the driver, release IRQs */
9856 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9857 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9858 if (!CHIP_REV_IS_SLOW(bp))
9859 bnx2x_set_power_state(bp, PCI_D3hot);
9860
9861 return 0;
9862 }
9863
9864 /* called with netif_tx_lock from set_multicast */
9865 static void bnx2x_set_rx_mode(struct net_device *dev)
9866 {
9867 struct bnx2x *bp = netdev_priv(dev);
9868 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9869 int port = BP_PORT(bp);
9870
9871 if (bp->state != BNX2X_STATE_OPEN) {
9872 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9873 return;
9874 }
9875
9876 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9877
9878 if (dev->flags & IFF_PROMISC)
9879 rx_mode = BNX2X_RX_MODE_PROMISC;
9880
9881 else if ((dev->flags & IFF_ALLMULTI) ||
9882 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9883 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9884
9885 else { /* some multicasts */
9886 if (CHIP_IS_E1(bp)) {
9887 int i, old, offset;
9888 struct dev_mc_list *mclist;
9889 struct mac_configuration_cmd *config =
9890 bnx2x_sp(bp, mcast_config);
9891
9892 for (i = 0, mclist = dev->mc_list;
9893 mclist && (i < dev->mc_count);
9894 i++, mclist = mclist->next) {
9895
9896 config->config_table[i].
9897 cam_entry.msb_mac_addr =
9898 swab16(*(u16 *)&mclist->dmi_addr[0]);
9899 config->config_table[i].
9900 cam_entry.middle_mac_addr =
9901 swab16(*(u16 *)&mclist->dmi_addr[2]);
9902 config->config_table[i].
9903 cam_entry.lsb_mac_addr =
9904 swab16(*(u16 *)&mclist->dmi_addr[4]);
9905 config->config_table[i].cam_entry.flags =
9906 cpu_to_le16(port);
9907 config->config_table[i].
9908 target_table_entry.flags = 0;
9909 config->config_table[i].
9910 target_table_entry.client_id = 0;
9911 config->config_table[i].
9912 target_table_entry.vlan_id = 0;
9913
9914 DP(NETIF_MSG_IFUP,
9915 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9916 config->config_table[i].
9917 cam_entry.msb_mac_addr,
9918 config->config_table[i].
9919 cam_entry.middle_mac_addr,
9920 config->config_table[i].
9921 cam_entry.lsb_mac_addr);
9922 }
9923 old = config->hdr.length_6b;
9924 if (old > i) {
9925 for (; i < old; i++) {
9926 if (CAM_IS_INVALID(config->
9927 config_table[i])) {
9928 /* already invalidated */
9929 break;
9930 }
9931 /* invalidate */
9932 CAM_INVALIDATE(config->
9933 config_table[i]);
9934 }
9935 }
9936
9937 if (CHIP_REV_IS_SLOW(bp))
9938 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9939 else
9940 offset = BNX2X_MAX_MULTICAST*(1 + port);
9941
9942 config->hdr.length_6b = i;
9943 config->hdr.offset = offset;
9944 config->hdr.client_id = BP_CL_ID(bp);
9945 config->hdr.reserved1 = 0;
9946
9947 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9948 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9949 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9950 0);
9951 } else { /* E1H */
9952 /* Accept one or more multicasts */
9953 struct dev_mc_list *mclist;
9954 u32 mc_filter[MC_HASH_SIZE];
9955 u32 crc, bit, regidx;
9956 int i;
9957
9958 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9959
9960 for (i = 0, mclist = dev->mc_list;
9961 mclist && (i < dev->mc_count);
9962 i++, mclist = mclist->next) {
9963
9964 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
9965 mclist->dmi_addr);
9966
9967 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9968 bit = (crc >> 24) & 0xff;
9969 regidx = bit >> 5;
9970 bit &= 0x1f;
9971 mc_filter[regidx] |= (1 << bit);
9972 }
9973
9974 for (i = 0; i < MC_HASH_SIZE; i++)
9975 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9976 mc_filter[i]);
9977 }
9978 }
9979
9980 bp->rx_mode = rx_mode;
9981 bnx2x_set_storm_rx_mode(bp);
9982 }
9983
9984 /* called with rtnl_lock */
9985 static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9986 {
9987 struct sockaddr *addr = p;
9988 struct bnx2x *bp = netdev_priv(dev);
9989
9990 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
9991 return -EINVAL;
9992
9993 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9994 if (netif_running(dev)) {
9995 if (CHIP_IS_E1(bp))
9996 bnx2x_set_mac_addr_e1(bp, 1);
9997 else
9998 bnx2x_set_mac_addr_e1h(bp, 1);
9999 }
10000
10001 return 0;
10002 }
10003
10004 /* called with rtnl_lock */
10005 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10006 {
10007 struct mii_ioctl_data *data = if_mii(ifr);
10008 struct bnx2x *bp = netdev_priv(dev);
10009 int port = BP_PORT(bp);
10010 int err;
10011
10012 switch (cmd) {
10013 case SIOCGMIIPHY:
10014 data->phy_id = bp->port.phy_addr;
10015
10016 /* fallthrough */
10017
10018 case SIOCGMIIREG: {
10019 u16 mii_regval;
10020
10021 if (!netif_running(dev))
10022 return -EAGAIN;
10023
10024 mutex_lock(&bp->port.phy_mutex);
10025 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
10026 DEFAULT_PHY_DEV_ADDR,
10027 (data->reg_num & 0x1f), &mii_regval);
10028 data->val_out = mii_regval;
10029 mutex_unlock(&bp->port.phy_mutex);
10030 return err;
10031 }
10032
10033 case SIOCSMIIREG:
10034 if (!capable(CAP_NET_ADMIN))
10035 return -EPERM;
10036
10037 if (!netif_running(dev))
10038 return -EAGAIN;
10039
10040 mutex_lock(&bp->port.phy_mutex);
10041 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
10042 DEFAULT_PHY_DEV_ADDR,
10043 (data->reg_num & 0x1f), data->val_in);
10044 mutex_unlock(&bp->port.phy_mutex);
10045 return err;
10046
10047 default:
10048 /* do nothing */
10049 break;
10050 }
10051
10052 return -EOPNOTSUPP;
10053 }
10054
10055 /* called with rtnl_lock */
10056 static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
10057 {
10058 struct bnx2x *bp = netdev_priv(dev);
10059 int rc = 0;
10060
10061 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
10062 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
10063 return -EINVAL;
10064
10065 /* This does not race with packet allocation
10066 * because the actual alloc size is
10067 * only updated as part of load
10068 */
10069 dev->mtu = new_mtu;
10070
10071 if (netif_running(dev)) {
10072 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
10073 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
10074 }
10075
10076 return rc;
10077 }
10078
10079 static void bnx2x_tx_timeout(struct net_device *dev)
10080 {
10081 struct bnx2x *bp = netdev_priv(dev);
10082
10083 #ifdef BNX2X_STOP_ON_ERROR
10084 if (!bp->panic)
10085 bnx2x_panic();
10086 #endif
10087 /* This allows the netif to be shutdown gracefully before resetting */
10088 schedule_work(&bp->reset_task);
10089 }
10090
10091 #ifdef BCM_VLAN
10092 /* called with rtnl_lock */
10093 static void bnx2x_vlan_rx_register(struct net_device *dev,
10094 struct vlan_group *vlgrp)
10095 {
10096 struct bnx2x *bp = netdev_priv(dev);
10097
10098 bp->vlgrp = vlgrp;
10099
10100 /* Set flags according to the required capabilities */
10101 bp->flags &= ~(HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG);
10102
10103 if (dev->features & NETIF_F_HW_VLAN_TX)
10104 bp->flags |= HW_VLAN_TX_FLAG;
10105
10106 if (dev->features & NETIF_F_HW_VLAN_RX)
10107 bp->flags |= HW_VLAN_RX_FLAG;
10108
10109 if (netif_running(dev))
10110 bnx2x_set_client_config(bp);
10111 }
10112
10113 #endif
10114
10115 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10116 static void poll_bnx2x(struct net_device *dev)
10117 {
10118 struct bnx2x *bp = netdev_priv(dev);
10119
10120 disable_irq(bp->pdev->irq);
10121 bnx2x_interrupt(bp->pdev->irq, dev);
10122 enable_irq(bp->pdev->irq);
10123 }
10124 #endif
10125
10126 static const struct net_device_ops bnx2x_netdev_ops = {
10127 .ndo_open = bnx2x_open,
10128 .ndo_stop = bnx2x_close,
10129 .ndo_start_xmit = bnx2x_start_xmit,
10130 .ndo_set_multicast_list = bnx2x_set_rx_mode,
10131 .ndo_set_mac_address = bnx2x_change_mac_addr,
10132 .ndo_validate_addr = eth_validate_addr,
10133 .ndo_do_ioctl = bnx2x_ioctl,
10134 .ndo_change_mtu = bnx2x_change_mtu,
10135 .ndo_tx_timeout = bnx2x_tx_timeout,
10136 #ifdef BCM_VLAN
10137 .ndo_vlan_rx_register = bnx2x_vlan_rx_register,
10138 #endif
10139 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10140 .ndo_poll_controller = poll_bnx2x,
10141 #endif
10142 };
10143
10144
10145 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10146 struct net_device *dev)
10147 {
10148 struct bnx2x *bp;
10149 int rc;
10150
10151 SET_NETDEV_DEV(dev, &pdev->dev);
10152 bp = netdev_priv(dev);
10153
10154 bp->dev = dev;
10155 bp->pdev = pdev;
10156 bp->flags = 0;
10157 bp->func = PCI_FUNC(pdev->devfn);
10158
10159 rc = pci_enable_device(pdev);
10160 if (rc) {
10161 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10162 goto err_out;
10163 }
10164
10165 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10166 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10167 " aborting\n");
10168 rc = -ENODEV;
10169 goto err_out_disable;
10170 }
10171
10172 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10173 printk(KERN_ERR PFX "Cannot find second PCI device"
10174 " base address, aborting\n");
10175 rc = -ENODEV;
10176 goto err_out_disable;
10177 }
10178
10179 if (atomic_read(&pdev->enable_cnt) == 1) {
10180 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10181 if (rc) {
10182 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10183 " aborting\n");
10184 goto err_out_disable;
10185 }
10186
10187 pci_set_master(pdev);
10188 pci_save_state(pdev);
10189 }
10190
10191 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10192 if (bp->pm_cap == 0) {
10193 printk(KERN_ERR PFX "Cannot find power management"
10194 " capability, aborting\n");
10195 rc = -EIO;
10196 goto err_out_release;
10197 }
10198
10199 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10200 if (bp->pcie_cap == 0) {
10201 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10202 " aborting\n");
10203 rc = -EIO;
10204 goto err_out_release;
10205 }
10206
10207 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10208 bp->flags |= USING_DAC_FLAG;
10209 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10210 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10211 " failed, aborting\n");
10212 rc = -EIO;
10213 goto err_out_release;
10214 }
10215
10216 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10217 printk(KERN_ERR PFX "System does not support DMA,"
10218 " aborting\n");
10219 rc = -EIO;
10220 goto err_out_release;
10221 }
10222
10223 dev->mem_start = pci_resource_start(pdev, 0);
10224 dev->base_addr = dev->mem_start;
10225 dev->mem_end = pci_resource_end(pdev, 0);
10226
10227 dev->irq = pdev->irq;
10228
10229 bp->regview = pci_ioremap_bar(pdev, 0);
10230 if (!bp->regview) {
10231 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10232 rc = -ENOMEM;
10233 goto err_out_release;
10234 }
10235
10236 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10237 min_t(u64, BNX2X_DB_SIZE,
10238 pci_resource_len(pdev, 2)));
10239 if (!bp->doorbells) {
10240 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10241 rc = -ENOMEM;
10242 goto err_out_unmap;
10243 }
10244
10245 bnx2x_set_power_state(bp, PCI_D0);
10246
10247 /* clean indirect addresses */
10248 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10249 PCICFG_VENDOR_ID_OFFSET);
10250 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10251 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10252 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10253 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
10254
10255 dev->watchdog_timeo = TX_TIMEOUT;
10256
10257 dev->netdev_ops = &bnx2x_netdev_ops;
10258 dev->ethtool_ops = &bnx2x_ethtool_ops;
10259 dev->features |= NETIF_F_SG;
10260 dev->features |= NETIF_F_HW_CSUM;
10261 if (bp->flags & USING_DAC_FLAG)
10262 dev->features |= NETIF_F_HIGHDMA;
10263 #ifdef BCM_VLAN
10264 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10265 bp->flags |= (HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG);
10266 #endif
10267 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
10268 dev->features |= NETIF_F_TSO6;
10269
10270 return 0;
10271
10272 err_out_unmap:
10273 if (bp->regview) {
10274 iounmap(bp->regview);
10275 bp->regview = NULL;
10276 }
10277 if (bp->doorbells) {
10278 iounmap(bp->doorbells);
10279 bp->doorbells = NULL;
10280 }
10281
10282 err_out_release:
10283 if (atomic_read(&pdev->enable_cnt) == 1)
10284 pci_release_regions(pdev);
10285
10286 err_out_disable:
10287 pci_disable_device(pdev);
10288 pci_set_drvdata(pdev, NULL);
10289
10290 err_out:
10291 return rc;
10292 }
10293
10294 static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10295 {
10296 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10297
10298 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10299 return val;
10300 }
10301
10302 /* return value of 1=2.5GHz 2=5GHz */
10303 static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10304 {
10305 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10306
10307 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10308 return val;
10309 }
10310
10311 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10312 const struct pci_device_id *ent)
10313 {
10314 static int version_printed;
10315 struct net_device *dev = NULL;
10316 struct bnx2x *bp;
10317 int rc;
10318
10319 if (version_printed++ == 0)
10320 printk(KERN_INFO "%s", version);
10321
10322 /* dev zeroed in init_etherdev */
10323 dev = alloc_etherdev(sizeof(*bp));
10324 if (!dev) {
10325 printk(KERN_ERR PFX "Cannot allocate net device\n");
10326 return -ENOMEM;
10327 }
10328
10329 bp = netdev_priv(dev);
10330 bp->msglevel = debug;
10331
10332 rc = bnx2x_init_dev(pdev, dev);
10333 if (rc < 0) {
10334 free_netdev(dev);
10335 return rc;
10336 }
10337
10338 pci_set_drvdata(pdev, dev);
10339
10340 rc = bnx2x_init_bp(bp);
10341 if (rc)
10342 goto init_one_exit;
10343
10344 rc = register_netdev(dev);
10345 if (rc) {
10346 dev_err(&pdev->dev, "Cannot register net device\n");
10347 goto init_one_exit;
10348 }
10349
10350 bp->common.name = board_info[ent->driver_data].name;
10351 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10352 " IRQ %d, ", dev->name, bp->common.name,
10353 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
10354 bnx2x_get_pcie_width(bp),
10355 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10356 dev->base_addr, bp->pdev->irq);
10357 printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
10358 return 0;
10359
10360 init_one_exit:
10361 if (bp->regview)
10362 iounmap(bp->regview);
10363
10364 if (bp->doorbells)
10365 iounmap(bp->doorbells);
10366
10367 free_netdev(dev);
10368
10369 if (atomic_read(&pdev->enable_cnt) == 1)
10370 pci_release_regions(pdev);
10371
10372 pci_disable_device(pdev);
10373 pci_set_drvdata(pdev, NULL);
10374
10375 return rc;
10376 }
10377
10378 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10379 {
10380 struct net_device *dev = pci_get_drvdata(pdev);
10381 struct bnx2x *bp;
10382
10383 if (!dev) {
10384 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10385 return;
10386 }
10387 bp = netdev_priv(dev);
10388
10389 unregister_netdev(dev);
10390
10391 if (bp->regview)
10392 iounmap(bp->regview);
10393
10394 if (bp->doorbells)
10395 iounmap(bp->doorbells);
10396
10397 free_netdev(dev);
10398
10399 if (atomic_read(&pdev->enable_cnt) == 1)
10400 pci_release_regions(pdev);
10401
10402 pci_disable_device(pdev);
10403 pci_set_drvdata(pdev, NULL);
10404 }
10405
10406 static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10407 {
10408 struct net_device *dev = pci_get_drvdata(pdev);
10409 struct bnx2x *bp;
10410
10411 if (!dev) {
10412 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10413 return -ENODEV;
10414 }
10415 bp = netdev_priv(dev);
10416
10417 rtnl_lock();
10418
10419 pci_save_state(pdev);
10420
10421 if (!netif_running(dev)) {
10422 rtnl_unlock();
10423 return 0;
10424 }
10425
10426 netif_device_detach(dev);
10427
10428 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10429
10430 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10431
10432 rtnl_unlock();
10433
10434 return 0;
10435 }
10436
10437 static int bnx2x_resume(struct pci_dev *pdev)
10438 {
10439 struct net_device *dev = pci_get_drvdata(pdev);
10440 struct bnx2x *bp;
10441 int rc;
10442
10443 if (!dev) {
10444 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10445 return -ENODEV;
10446 }
10447 bp = netdev_priv(dev);
10448
10449 rtnl_lock();
10450
10451 pci_restore_state(pdev);
10452
10453 if (!netif_running(dev)) {
10454 rtnl_unlock();
10455 return 0;
10456 }
10457
10458 bnx2x_set_power_state(bp, PCI_D0);
10459 netif_device_attach(dev);
10460
10461 rc = bnx2x_nic_load(bp, LOAD_OPEN);
10462
10463 rtnl_unlock();
10464
10465 return rc;
10466 }
10467
10468 static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
10469 {
10470 int i;
10471
10472 bp->state = BNX2X_STATE_ERROR;
10473
10474 bp->rx_mode = BNX2X_RX_MODE_NONE;
10475
10476 bnx2x_netif_stop(bp, 0);
10477
10478 del_timer_sync(&bp->timer);
10479 bp->stats_state = STATS_STATE_DISABLED;
10480 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
10481
10482 /* Release IRQs */
10483 bnx2x_free_irq(bp);
10484
10485 if (CHIP_IS_E1(bp)) {
10486 struct mac_configuration_cmd *config =
10487 bnx2x_sp(bp, mcast_config);
10488
10489 for (i = 0; i < config->hdr.length_6b; i++)
10490 CAM_INVALIDATE(config->config_table[i]);
10491 }
10492
10493 /* Free SKBs, SGEs, TPA pool and driver internals */
10494 bnx2x_free_skbs(bp);
10495 for_each_queue(bp, i)
10496 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
10497 for_each_queue(bp, i)
10498 netif_napi_del(&bnx2x_fp(bp, i, napi));
10499 bnx2x_free_mem(bp);
10500
10501 bp->state = BNX2X_STATE_CLOSED;
10502
10503 netif_carrier_off(bp->dev);
10504
10505 return 0;
10506 }
10507
10508 static void bnx2x_eeh_recover(struct bnx2x *bp)
10509 {
10510 u32 val;
10511
10512 mutex_init(&bp->port.phy_mutex);
10513
10514 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
10515 bp->link_params.shmem_base = bp->common.shmem_base;
10516 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
10517
10518 if (!bp->common.shmem_base ||
10519 (bp->common.shmem_base < 0xA0000) ||
10520 (bp->common.shmem_base >= 0xC0000)) {
10521 BNX2X_DEV_INFO("MCP not active\n");
10522 bp->flags |= NO_MCP_FLAG;
10523 return;
10524 }
10525
10526 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
10527 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10528 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10529 BNX2X_ERR("BAD MCP validity signature\n");
10530
10531 if (!BP_NOMCP(bp)) {
10532 bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
10533 & DRV_MSG_SEQ_NUMBER_MASK);
10534 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10535 }
10536 }
10537
10538 /**
10539 * bnx2x_io_error_detected - called when PCI error is detected
10540 * @pdev: Pointer to PCI device
10541 * @state: The current pci connection state
10542 *
10543 * This function is called after a PCI bus error affecting
10544 * this device has been detected.
10545 */
10546 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10547 pci_channel_state_t state)
10548 {
10549 struct net_device *dev = pci_get_drvdata(pdev);
10550 struct bnx2x *bp = netdev_priv(dev);
10551
10552 rtnl_lock();
10553
10554 netif_device_detach(dev);
10555
10556 if (netif_running(dev))
10557 bnx2x_eeh_nic_unload(bp);
10558
10559 pci_disable_device(pdev);
10560
10561 rtnl_unlock();
10562
10563 /* Request a slot reset */
10564 return PCI_ERS_RESULT_NEED_RESET;
10565 }
10566
10567 /**
10568 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10569 * @pdev: Pointer to PCI device
10570 *
10571 * Restart the card from scratch, as if from a cold-boot.
10572 */
10573 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10574 {
10575 struct net_device *dev = pci_get_drvdata(pdev);
10576 struct bnx2x *bp = netdev_priv(dev);
10577
10578 rtnl_lock();
10579
10580 if (pci_enable_device(pdev)) {
10581 dev_err(&pdev->dev,
10582 "Cannot re-enable PCI device after reset\n");
10583 rtnl_unlock();
10584 return PCI_ERS_RESULT_DISCONNECT;
10585 }
10586
10587 pci_set_master(pdev);
10588 pci_restore_state(pdev);
10589
10590 if (netif_running(dev))
10591 bnx2x_set_power_state(bp, PCI_D0);
10592
10593 rtnl_unlock();
10594
10595 return PCI_ERS_RESULT_RECOVERED;
10596 }
10597
10598 /**
10599 * bnx2x_io_resume - called when traffic can start flowing again
10600 * @pdev: Pointer to PCI device
10601 *
10602 * This callback is called when the error recovery driver tells us that
10603 * its OK to resume normal operation.
10604 */
10605 static void bnx2x_io_resume(struct pci_dev *pdev)
10606 {
10607 struct net_device *dev = pci_get_drvdata(pdev);
10608 struct bnx2x *bp = netdev_priv(dev);
10609
10610 rtnl_lock();
10611
10612 bnx2x_eeh_recover(bp);
10613
10614 if (netif_running(dev))
10615 bnx2x_nic_load(bp, LOAD_NORMAL);
10616
10617 netif_device_attach(dev);
10618
10619 rtnl_unlock();
10620 }
10621
10622 static struct pci_error_handlers bnx2x_err_handler = {
10623 .error_detected = bnx2x_io_error_detected,
10624 .slot_reset = bnx2x_io_slot_reset,
10625 .resume = bnx2x_io_resume,
10626 };
10627
10628 static struct pci_driver bnx2x_pci_driver = {
10629 .name = DRV_MODULE_NAME,
10630 .id_table = bnx2x_pci_tbl,
10631 .probe = bnx2x_init_one,
10632 .remove = __devexit_p(bnx2x_remove_one),
10633 .suspend = bnx2x_suspend,
10634 .resume = bnx2x_resume,
10635 .err_handler = &bnx2x_err_handler,
10636 };
10637
10638 static int __init bnx2x_init(void)
10639 {
10640 bnx2x_wq = create_singlethread_workqueue("bnx2x");
10641 if (bnx2x_wq == NULL) {
10642 printk(KERN_ERR PFX "Cannot create workqueue\n");
10643 return -ENOMEM;
10644 }
10645
10646 return pci_register_driver(&bnx2x_pci_driver);
10647 }
10648
10649 static void __exit bnx2x_cleanup(void)
10650 {
10651 pci_unregister_driver(&bnx2x_pci_driver);
10652
10653 destroy_workqueue(bnx2x_wq);
10654 }
10655
10656 module_init(bnx2x_init);
10657 module_exit(bnx2x_cleanup);
10658
Linux kernel - Deliverables
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