?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
netdevice zd1201: Use after free
[linux-2.6/mini2440.git] / drivers / net / bnx2x_main.c
blob24d2ae8b74bf1c522fc52efc86b4bd647c3457b6
1 /* bnx2x_main.c: Broadcom Everest network driver.
2 *
3 * Copyright (c) 2007-2008 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
14 * Statistics and Link management by Yitchak Gertner
15 *
16 */
17
18 #include <linux/module.h>
19 #include <linux/moduleparam.h>
20 #include <linux/kernel.h>
21 #include <linux/device.h> /* for dev_info() */
22 #include <linux/timer.h>
23 #include <linux/errno.h>
24 #include <linux/ioport.h>
25 #include <linux/slab.h>
26 #include <linux/vmalloc.h>
27 #include <linux/interrupt.h>
28 #include <linux/pci.h>
29 #include <linux/init.h>
30 #include <linux/netdevice.h>
31 #include <linux/etherdevice.h>
32 #include <linux/skbuff.h>
33 #include <linux/dma-mapping.h>
34 #include <linux/bitops.h>
35 #include <linux/irq.h>
36 #include <linux/delay.h>
37 #include <asm/byteorder.h>
38 #include <linux/time.h>
39 #include <linux/ethtool.h>
40 #include <linux/mii.h>
41 #ifdef NETIF_F_HW_VLAN_TX
42 #include <linux/if_vlan.h>
43 #endif
44 #include <net/ip.h>
45 #include <net/tcp.h>
46 #include <net/checksum.h>
47 #include <net/ip6_checksum.h>
48 #include <linux/workqueue.h>
49 #include <linux/crc32.h>
50 #include <linux/crc32c.h>
51 #include <linux/prefetch.h>
52 #include <linux/zlib.h>
53 #include <linux/io.h>
54
55 #include "bnx2x_reg.h"
56 #include "bnx2x_fw_defs.h"
57 #include "bnx2x_hsi.h"
58 #include "bnx2x_link.h"
59 #include "bnx2x.h"
60 #include "bnx2x_init.h"
61
62 #define DRV_MODULE_VERSION "1.45.23"
63 #define DRV_MODULE_RELDATE "2008/11/03"
64 #define BNX2X_BC_VER 0x040200
65
66 /* Time in jiffies before concluding the transmitter is hung */
67 #define TX_TIMEOUT (5*HZ)
68
69 static char version[] __devinitdata =
70 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
71 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
72
73 MODULE_AUTHOR("Eliezer Tamir");
74 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
75 MODULE_LICENSE("GPL");
76 MODULE_VERSION(DRV_MODULE_VERSION);
77
78 static int disable_tpa;
79 static int use_inta;
80 static int poll;
81 static int debug;
82 static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
83 static int use_multi;
84
85 module_param(disable_tpa, int, 0);
86 module_param(use_inta, int, 0);
87 module_param(poll, int, 0);
88 module_param(debug, int, 0);
89 MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
90 MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
91 MODULE_PARM_DESC(poll, "use polling (for debug)");
92 MODULE_PARM_DESC(debug, "default debug msglevel");
93
94 #ifdef BNX2X_MULTI
95 module_param(use_multi, int, 0);
96 MODULE_PARM_DESC(use_multi, "use per-CPU queues");
97 #endif
98
99 enum bnx2x_board_type {
100 BCM57710 = 0,
101 BCM57711 = 1,
102 BCM57711E = 2,
103 };
104
105 /* indexed by board_type, above */
106 static struct {
107 char *name;
108 } board_info[] __devinitdata = {
109 { "Broadcom NetXtreme II BCM57710 XGb" },
110 { "Broadcom NetXtreme II BCM57711 XGb" },
111 { "Broadcom NetXtreme II BCM57711E XGb" }
112 };
113
114
115 static const struct pci_device_id bnx2x_pci_tbl[] = {
116 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
117 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
118 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
119 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
120 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
122 { 0 }
123 };
124
125 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
126
127 /****************************************************************************
128 * General service functions
129 ****************************************************************************/
130
131 /* used only at init
132 * locking is done by mcp
133 */
134 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
135 {
136 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
138 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
139 PCICFG_VENDOR_ID_OFFSET);
140 }
141
142 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
143 {
144 u32 val;
145
146 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
147 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
148 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
149 PCICFG_VENDOR_ID_OFFSET);
150
151 return val;
152 }
153
154 static const u32 dmae_reg_go_c[] = {
155 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
156 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
157 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
158 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
159 };
160
161 /* copy command into DMAE command memory and set DMAE command go */
162 static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
163 int idx)
164 {
165 u32 cmd_offset;
166 int i;
167
168 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
169 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
170 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
171
172 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
173 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
174 }
175 REG_WR(bp, dmae_reg_go_c[idx], 1);
176 }
177
178 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
179 u32 len32)
180 {
181 struct dmae_command *dmae = &bp->init_dmae;
182 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
183 int cnt = 200;
184
185 if (!bp->dmae_ready) {
186 u32 *data = bnx2x_sp(bp, wb_data[0]);
187
188 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
189 " using indirect\n", dst_addr, len32);
190 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
191 return;
192 }
193
194 mutex_lock(&bp->dmae_mutex);
195
196 memset(dmae, 0, sizeof(struct dmae_command));
197
198 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
199 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
200 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
201 #ifdef __BIG_ENDIAN
202 DMAE_CMD_ENDIANITY_B_DW_SWAP |
203 #else
204 DMAE_CMD_ENDIANITY_DW_SWAP |
205 #endif
206 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
207 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
208 dmae->src_addr_lo = U64_LO(dma_addr);
209 dmae->src_addr_hi = U64_HI(dma_addr);
210 dmae->dst_addr_lo = dst_addr >> 2;
211 dmae->dst_addr_hi = 0;
212 dmae->len = len32;
213 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
214 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
215 dmae->comp_val = DMAE_COMP_VAL;
216
217 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
218 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
219 "dst_addr [%x:%08x (%08x)]\n"
220 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
221 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
222 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
223 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
224 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
225 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
226 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
227
228 *wb_comp = 0;
229
230 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
231
232 udelay(5);
233
234 while (*wb_comp != DMAE_COMP_VAL) {
235 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
236
237 if (!cnt) {
238 BNX2X_ERR("dmae timeout!\n");
239 break;
240 }
241 cnt--;
242 /* adjust delay for emulation/FPGA */
243 if (CHIP_REV_IS_SLOW(bp))
244 msleep(100);
245 else
246 udelay(5);
247 }
248
249 mutex_unlock(&bp->dmae_mutex);
250 }
251
252 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
253 {
254 struct dmae_command *dmae = &bp->init_dmae;
255 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
256 int cnt = 200;
257
258 if (!bp->dmae_ready) {
259 u32 *data = bnx2x_sp(bp, wb_data[0]);
260 int i;
261
262 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
263 " using indirect\n", src_addr, len32);
264 for (i = 0; i < len32; i++)
265 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
266 return;
267 }
268
269 mutex_lock(&bp->dmae_mutex);
270
271 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
272 memset(dmae, 0, sizeof(struct dmae_command));
273
274 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
275 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
276 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
277 #ifdef __BIG_ENDIAN
278 DMAE_CMD_ENDIANITY_B_DW_SWAP |
279 #else
280 DMAE_CMD_ENDIANITY_DW_SWAP |
281 #endif
282 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
283 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
284 dmae->src_addr_lo = src_addr >> 2;
285 dmae->src_addr_hi = 0;
286 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
287 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
288 dmae->len = len32;
289 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
290 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
291 dmae->comp_val = DMAE_COMP_VAL;
292
293 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
294 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
295 "dst_addr [%x:%08x (%08x)]\n"
296 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
297 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
298 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
299 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
300
301 *wb_comp = 0;
302
303 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
304
305 udelay(5);
306
307 while (*wb_comp != DMAE_COMP_VAL) {
308
309 if (!cnt) {
310 BNX2X_ERR("dmae timeout!\n");
311 break;
312 }
313 cnt--;
314 /* adjust delay for emulation/FPGA */
315 if (CHIP_REV_IS_SLOW(bp))
316 msleep(100);
317 else
318 udelay(5);
319 }
320 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
321 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
322 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
323
324 mutex_unlock(&bp->dmae_mutex);
325 }
326
327 /* used only for slowpath so not inlined */
328 static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
329 {
330 u32 wb_write[2];
331
332 wb_write[0] = val_hi;
333 wb_write[1] = val_lo;
334 REG_WR_DMAE(bp, reg, wb_write, 2);
335 }
336
337 #ifdef USE_WB_RD
338 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
339 {
340 u32 wb_data[2];
341
342 REG_RD_DMAE(bp, reg, wb_data, 2);
343
344 return HILO_U64(wb_data[0], wb_data[1]);
345 }
346 #endif
347
348 static int bnx2x_mc_assert(struct bnx2x *bp)
349 {
350 char last_idx;
351 int i, rc = 0;
352 u32 row0, row1, row2, row3;
353
354 /* XSTORM */
355 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
356 XSTORM_ASSERT_LIST_INDEX_OFFSET);
357 if (last_idx)
358 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
359
360 /* print the asserts */
361 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
362
363 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
364 XSTORM_ASSERT_LIST_OFFSET(i));
365 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
366 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
367 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
368 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
369 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
370 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
371
372 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
373 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
374 " 0x%08x 0x%08x 0x%08x\n",
375 i, row3, row2, row1, row0);
376 rc++;
377 } else {
378 break;
379 }
380 }
381
382 /* TSTORM */
383 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
384 TSTORM_ASSERT_LIST_INDEX_OFFSET);
385 if (last_idx)
386 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
387
388 /* print the asserts */
389 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
390
391 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
392 TSTORM_ASSERT_LIST_OFFSET(i));
393 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
394 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
395 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
396 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
397 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
398 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
399
400 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
401 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
402 " 0x%08x 0x%08x 0x%08x\n",
403 i, row3, row2, row1, row0);
404 rc++;
405 } else {
406 break;
407 }
408 }
409
410 /* CSTORM */
411 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
412 CSTORM_ASSERT_LIST_INDEX_OFFSET);
413 if (last_idx)
414 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
415
416 /* print the asserts */
417 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
418
419 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
420 CSTORM_ASSERT_LIST_OFFSET(i));
421 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
422 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
423 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
424 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
425 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
426 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
427
428 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
429 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
430 " 0x%08x 0x%08x 0x%08x\n",
431 i, row3, row2, row1, row0);
432 rc++;
433 } else {
434 break;
435 }
436 }
437
438 /* USTORM */
439 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
440 USTORM_ASSERT_LIST_INDEX_OFFSET);
441 if (last_idx)
442 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
443
444 /* print the asserts */
445 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
446
447 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
448 USTORM_ASSERT_LIST_OFFSET(i));
449 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
450 USTORM_ASSERT_LIST_OFFSET(i) + 4);
451 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
452 USTORM_ASSERT_LIST_OFFSET(i) + 8);
453 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
454 USTORM_ASSERT_LIST_OFFSET(i) + 12);
455
456 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
457 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
458 " 0x%08x 0x%08x 0x%08x\n",
459 i, row3, row2, row1, row0);
460 rc++;
461 } else {
462 break;
463 }
464 }
465
466 return rc;
467 }
468
469 static void bnx2x_fw_dump(struct bnx2x *bp)
470 {
471 u32 mark, offset;
472 u32 data[9];
473 int word;
474
475 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
476 mark = ((mark + 0x3) & ~0x3);
477 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
478
479 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
480 for (word = 0; word < 8; word++)
481 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
482 offset + 4*word));
483 data[8] = 0x0;
484 printk(KERN_CONT "%s", (char *)data);
485 }
486 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
487 for (word = 0; word < 8; word++)
488 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
489 offset + 4*word));
490 data[8] = 0x0;
491 printk(KERN_CONT "%s", (char *)data);
492 }
493 printk("\n" KERN_ERR PFX "end of fw dump\n");
494 }
495
496 static void bnx2x_panic_dump(struct bnx2x *bp)
497 {
498 int i;
499 u16 j, start, end;
500
501 bp->stats_state = STATS_STATE_DISABLED;
502 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
503
504 BNX2X_ERR("begin crash dump -----------------\n");
505
506 for_each_queue(bp, i) {
507 struct bnx2x_fastpath *fp = &bp->fp[i];
508 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
509
510 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
511 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
512 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
513 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
514 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
515 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
516 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
517 fp->rx_bd_prod, fp->rx_bd_cons,
518 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
519 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
520 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
521 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
522 " *sb_u_idx(%x) bd data(%x,%x)\n",
523 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
524 fp->status_blk->c_status_block.status_block_index,
525 fp->fp_u_idx,
526 fp->status_blk->u_status_block.status_block_index,
527 hw_prods->packets_prod, hw_prods->bds_prod);
528
529 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
530 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
531 for (j = start; j < end; j++) {
532 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
533
534 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
535 sw_bd->skb, sw_bd->first_bd);
536 }
537
538 start = TX_BD(fp->tx_bd_cons - 10);
539 end = TX_BD(fp->tx_bd_cons + 254);
540 for (j = start; j < end; j++) {
541 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
542
543 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
544 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
545 }
546
547 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
548 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
549 for (j = start; j < end; j++) {
550 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
551 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
552
553 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
554 j, rx_bd[1], rx_bd[0], sw_bd->skb);
555 }
556
557 start = RX_SGE(fp->rx_sge_prod);
558 end = RX_SGE(fp->last_max_sge);
559 for (j = start; j < end; j++) {
560 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
561 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
562
563 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
564 j, rx_sge[1], rx_sge[0], sw_page->page);
565 }
566
567 start = RCQ_BD(fp->rx_comp_cons - 10);
568 end = RCQ_BD(fp->rx_comp_cons + 503);
569 for (j = start; j < end; j++) {
570 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
571
572 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
573 j, cqe[0], cqe[1], cqe[2], cqe[3]);
574 }
575 }
576
577 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
578 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
579 " spq_prod_idx(%u)\n",
580 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
581 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
582
583 bnx2x_fw_dump(bp);
584 bnx2x_mc_assert(bp);
585 BNX2X_ERR("end crash dump -----------------\n");
586 }
587
588 static void bnx2x_int_enable(struct bnx2x *bp)
589 {
590 int port = BP_PORT(bp);
591 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
592 u32 val = REG_RD(bp, addr);
593 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
594
595 if (msix) {
596 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
597 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
598 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
599 } else {
600 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
601 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
602 HC_CONFIG_0_REG_INT_LINE_EN_0 |
603 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
604
605 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
606 val, port, addr, msix);
607
608 REG_WR(bp, addr, val);
609
610 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
611 }
612
613 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
614 val, port, addr, msix);
615
616 REG_WR(bp, addr, val);
617
618 if (CHIP_IS_E1H(bp)) {
619 /* init leading/trailing edge */
620 if (IS_E1HMF(bp)) {
621 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
622 if (bp->port.pmf)
623 /* enable nig attention */
624 val |= 0x0100;
625 } else
626 val = 0xffff;
627
628 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
629 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
630 }
631 }
632
633 static void bnx2x_int_disable(struct bnx2x *bp)
634 {
635 int port = BP_PORT(bp);
636 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
637 u32 val = REG_RD(bp, addr);
638
639 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
640 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
641 HC_CONFIG_0_REG_INT_LINE_EN_0 |
642 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
643
644 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
645 val, port, addr);
646
647 REG_WR(bp, addr, val);
648 if (REG_RD(bp, addr) != val)
649 BNX2X_ERR("BUG! proper val not read from IGU!\n");
650 }
651
652 static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
653 {
654 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
655 int i;
656
657 /* disable interrupt handling */
658 atomic_inc(&bp->intr_sem);
659 if (disable_hw)
660 /* prevent the HW from sending interrupts */
661 bnx2x_int_disable(bp);
662
663 /* make sure all ISRs are done */
664 if (msix) {
665 for_each_queue(bp, i)
666 synchronize_irq(bp->msix_table[i].vector);
667
668 /* one more for the Slow Path IRQ */
669 synchronize_irq(bp->msix_table[i].vector);
670 } else
671 synchronize_irq(bp->pdev->irq);
672
673 /* make sure sp_task is not running */
674 cancel_work_sync(&bp->sp_task);
675 }
676
677 /* fast path */
678
679 /*
680 * General service functions
681 */
682
683 static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
684 u8 storm, u16 index, u8 op, u8 update)
685 {
686 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
687 COMMAND_REG_INT_ACK);
688 struct igu_ack_register igu_ack;
689
690 igu_ack.status_block_index = index;
691 igu_ack.sb_id_and_flags =
692 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
693 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
694 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
695 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
696
697 DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
698 (*(u32 *)&igu_ack), hc_addr);
699 REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
700 }
701
702 static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
703 {
704 struct host_status_block *fpsb = fp->status_blk;
705 u16 rc = 0;
706
707 barrier(); /* status block is written to by the chip */
708 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
709 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
710 rc |= 1;
711 }
712 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
713 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
714 rc |= 2;
715 }
716 return rc;
717 }
718
719 static u16 bnx2x_ack_int(struct bnx2x *bp)
720 {
721 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
722 COMMAND_REG_SIMD_MASK);
723 u32 result = REG_RD(bp, hc_addr);
724
725 DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
726 result, hc_addr);
727
728 return result;
729 }
730
731
732 /*
733 * fast path service functions
734 */
735
736 /* free skb in the packet ring at pos idx
737 * return idx of last bd freed
738 */
739 static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
740 u16 idx)
741 {
742 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
743 struct eth_tx_bd *tx_bd;
744 struct sk_buff *skb = tx_buf->skb;
745 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
746 int nbd;
747
748 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
749 idx, tx_buf, skb);
750
751 /* unmap first bd */
752 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
753 tx_bd = &fp->tx_desc_ring[bd_idx];
754 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
755 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
756
757 nbd = le16_to_cpu(tx_bd->nbd) - 1;
758 new_cons = nbd + tx_buf->first_bd;
759 #ifdef BNX2X_STOP_ON_ERROR
760 if (nbd > (MAX_SKB_FRAGS + 2)) {
761 BNX2X_ERR("BAD nbd!\n");
762 bnx2x_panic();
763 }
764 #endif
765
766 /* Skip a parse bd and the TSO split header bd
767 since they have no mapping */
768 if (nbd)
769 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
770
771 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
772 ETH_TX_BD_FLAGS_TCP_CSUM |
773 ETH_TX_BD_FLAGS_SW_LSO)) {
774 if (--nbd)
775 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
776 tx_bd = &fp->tx_desc_ring[bd_idx];
777 /* is this a TSO split header bd? */
778 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
779 if (--nbd)
780 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
781 }
782 }
783
784 /* now free frags */
785 while (nbd > 0) {
786
787 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
788 tx_bd = &fp->tx_desc_ring[bd_idx];
789 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
790 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
791 if (--nbd)
792 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
793 }
794
795 /* release skb */
796 WARN_ON(!skb);
797 dev_kfree_skb(skb);
798 tx_buf->first_bd = 0;
799 tx_buf->skb = NULL;
800
801 return new_cons;
802 }
803
804 static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
805 {
806 s16 used;
807 u16 prod;
808 u16 cons;
809
810 barrier(); /* Tell compiler that prod and cons can change */
811 prod = fp->tx_bd_prod;
812 cons = fp->tx_bd_cons;
813
814 /* NUM_TX_RINGS = number of "next-page" entries
815 It will be used as a threshold */
816 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
817
818 #ifdef BNX2X_STOP_ON_ERROR
819 WARN_ON(used < 0);
820 WARN_ON(used > fp->bp->tx_ring_size);
821 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
822 #endif
823
824 return (s16)(fp->bp->tx_ring_size) - used;
825 }
826
827 static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
828 {
829 struct bnx2x *bp = fp->bp;
830 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
831 int done = 0;
832
833 #ifdef BNX2X_STOP_ON_ERROR
834 if (unlikely(bp->panic))
835 return;
836 #endif
837
838 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
839 sw_cons = fp->tx_pkt_cons;
840
841 while (sw_cons != hw_cons) {
842 u16 pkt_cons;
843
844 pkt_cons = TX_BD(sw_cons);
845
846 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
847
848 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
849 hw_cons, sw_cons, pkt_cons);
850
851 /* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
852 rmb();
853 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
854 }
855 */
856 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
857 sw_cons++;
858 done++;
859
860 if (done == work)
861 break;
862 }
863
864 fp->tx_pkt_cons = sw_cons;
865 fp->tx_bd_cons = bd_cons;
866
867 /* Need to make the tx_cons update visible to start_xmit()
868 * before checking for netif_queue_stopped(). Without the
869 * memory barrier, there is a small possibility that start_xmit()
870 * will miss it and cause the queue to be stopped forever.
871 */
872 smp_mb();
873
874 /* TBD need a thresh? */
875 if (unlikely(netif_queue_stopped(bp->dev))) {
876
877 netif_tx_lock(bp->dev);
878
879 if (netif_queue_stopped(bp->dev) &&
880 (bp->state == BNX2X_STATE_OPEN) &&
881 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
882 netif_wake_queue(bp->dev);
883
884 netif_tx_unlock(bp->dev);
885 }
886 }
887
888
889 static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
890 union eth_rx_cqe *rr_cqe)
891 {
892 struct bnx2x *bp = fp->bp;
893 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
894 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
895
896 DP(BNX2X_MSG_SP,
897 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
898 FP_IDX(fp), cid, command, bp->state,
899 rr_cqe->ramrod_cqe.ramrod_type);
900
901 bp->spq_left++;
902
903 if (FP_IDX(fp)) {
904 switch (command | fp->state) {
905 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
906 BNX2X_FP_STATE_OPENING):
907 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
908 cid);
909 fp->state = BNX2X_FP_STATE_OPEN;
910 break;
911
912 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
913 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
914 cid);
915 fp->state = BNX2X_FP_STATE_HALTED;
916 break;
917
918 default:
919 BNX2X_ERR("unexpected MC reply (%d) "
920 "fp->state is %x\n", command, fp->state);
921 break;
922 }
923 mb(); /* force bnx2x_wait_ramrod() to see the change */
924 return;
925 }
926
927 switch (command | bp->state) {
928 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
929 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
930 bp->state = BNX2X_STATE_OPEN;
931 break;
932
933 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
934 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
935 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
936 fp->state = BNX2X_FP_STATE_HALTED;
937 break;
938
939 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
940 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
941 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
942 break;
943
944
945 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
946 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
947 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
948 bp->set_mac_pending = 0;
949 break;
950
951 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
952 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
953 break;
954
955 default:
956 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
957 command, bp->state);
958 break;
959 }
960 mb(); /* force bnx2x_wait_ramrod() to see the change */
961 }
962
963 static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
964 struct bnx2x_fastpath *fp, u16 index)
965 {
966 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
967 struct page *page = sw_buf->page;
968 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
969
970 /* Skip "next page" elements */
971 if (!page)
972 return;
973
974 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
975 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
976 __free_pages(page, PAGES_PER_SGE_SHIFT);
977
978 sw_buf->page = NULL;
979 sge->addr_hi = 0;
980 sge->addr_lo = 0;
981 }
982
983 static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
984 struct bnx2x_fastpath *fp, int last)
985 {
986 int i;
987
988 for (i = 0; i < last; i++)
989 bnx2x_free_rx_sge(bp, fp, i);
990 }
991
992 static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
993 struct bnx2x_fastpath *fp, u16 index)
994 {
995 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
996 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
997 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
998 dma_addr_t mapping;
999
1000 if (unlikely(page == NULL))
1001 return -ENOMEM;
1002
1003 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1004 PCI_DMA_FROMDEVICE);
1005 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1006 __free_pages(page, PAGES_PER_SGE_SHIFT);
1007 return -ENOMEM;
1008 }
1009
1010 sw_buf->page = page;
1011 pci_unmap_addr_set(sw_buf, mapping, mapping);
1012
1013 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1014 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1015
1016 return 0;
1017 }
1018
1019 static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1020 struct bnx2x_fastpath *fp, u16 index)
1021 {
1022 struct sk_buff *skb;
1023 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1024 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1025 dma_addr_t mapping;
1026
1027 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1028 if (unlikely(skb == NULL))
1029 return -ENOMEM;
1030
1031 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
1032 PCI_DMA_FROMDEVICE);
1033 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1034 dev_kfree_skb(skb);
1035 return -ENOMEM;
1036 }
1037
1038 rx_buf->skb = skb;
1039 pci_unmap_addr_set(rx_buf, mapping, mapping);
1040
1041 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1042 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1043
1044 return 0;
1045 }
1046
1047 /* note that we are not allocating a new skb,
1048 * we are just moving one from cons to prod
1049 * we are not creating a new mapping,
1050 * so there is no need to check for dma_mapping_error().
1051 */
1052 static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1053 struct sk_buff *skb, u16 cons, u16 prod)
1054 {
1055 struct bnx2x *bp = fp->bp;
1056 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1057 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1058 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1059 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1060
1061 pci_dma_sync_single_for_device(bp->pdev,
1062 pci_unmap_addr(cons_rx_buf, mapping),
1063 bp->rx_offset + RX_COPY_THRESH,
1064 PCI_DMA_FROMDEVICE);
1065
1066 prod_rx_buf->skb = cons_rx_buf->skb;
1067 pci_unmap_addr_set(prod_rx_buf, mapping,
1068 pci_unmap_addr(cons_rx_buf, mapping));
1069 *prod_bd = *cons_bd;
1070 }
1071
1072 static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1073 u16 idx)
1074 {
1075 u16 last_max = fp->last_max_sge;
1076
1077 if (SUB_S16(idx, last_max) > 0)
1078 fp->last_max_sge = idx;
1079 }
1080
1081 static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1082 {
1083 int i, j;
1084
1085 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1086 int idx = RX_SGE_CNT * i - 1;
1087
1088 for (j = 0; j < 2; j++) {
1089 SGE_MASK_CLEAR_BIT(fp, idx);
1090 idx--;
1091 }
1092 }
1093 }
1094
1095 static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1096 struct eth_fast_path_rx_cqe *fp_cqe)
1097 {
1098 struct bnx2x *bp = fp->bp;
1099 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1100 le16_to_cpu(fp_cqe->len_on_bd)) >>
1101 BCM_PAGE_SHIFT;
1102 u16 last_max, last_elem, first_elem;
1103 u16 delta = 0;
1104 u16 i;
1105
1106 if (!sge_len)
1107 return;
1108
1109 /* First mark all used pages */
1110 for (i = 0; i < sge_len; i++)
1111 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1112
1113 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1114 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1115
1116 /* Here we assume that the last SGE index is the biggest */
1117 prefetch((void *)(fp->sge_mask));
1118 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1119
1120 last_max = RX_SGE(fp->last_max_sge);
1121 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1122 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1123
1124 /* If ring is not full */
1125 if (last_elem + 1 != first_elem)
1126 last_elem++;
1127
1128 /* Now update the prod */
1129 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1130 if (likely(fp->sge_mask[i]))
1131 break;
1132
1133 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1134 delta += RX_SGE_MASK_ELEM_SZ;
1135 }
1136
1137 if (delta > 0) {
1138 fp->rx_sge_prod += delta;
1139 /* clear page-end entries */
1140 bnx2x_clear_sge_mask_next_elems(fp);
1141 }
1142
1143 DP(NETIF_MSG_RX_STATUS,
1144 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1145 fp->last_max_sge, fp->rx_sge_prod);
1146 }
1147
1148 static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1149 {
1150 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1151 memset(fp->sge_mask, 0xff,
1152 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1153
1154 /* Clear the two last indices in the page to 1:
1155 these are the indices that correspond to the "next" element,
1156 hence will never be indicated and should be removed from
1157 the calculations. */
1158 bnx2x_clear_sge_mask_next_elems(fp);
1159 }
1160
1161 static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1162 struct sk_buff *skb, u16 cons, u16 prod)
1163 {
1164 struct bnx2x *bp = fp->bp;
1165 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1166 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1167 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1168 dma_addr_t mapping;
1169
1170 /* move empty skb from pool to prod and map it */
1171 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1172 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1173 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
1174 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1175
1176 /* move partial skb from cons to pool (don't unmap yet) */
1177 fp->tpa_pool[queue] = *cons_rx_buf;
1178
1179 /* mark bin state as start - print error if current state != stop */
1180 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1181 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1182
1183 fp->tpa_state[queue] = BNX2X_TPA_START;
1184
1185 /* point prod_bd to new skb */
1186 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1187 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1188
1189 #ifdef BNX2X_STOP_ON_ERROR
1190 fp->tpa_queue_used |= (1 << queue);
1191 #ifdef __powerpc64__
1192 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1193 #else
1194 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1195 #endif
1196 fp->tpa_queue_used);
1197 #endif
1198 }
1199
1200 static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1201 struct sk_buff *skb,
1202 struct eth_fast_path_rx_cqe *fp_cqe,
1203 u16 cqe_idx)
1204 {
1205 struct sw_rx_page *rx_pg, old_rx_pg;
1206 struct page *sge;
1207 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1208 u32 i, frag_len, frag_size, pages;
1209 int err;
1210 int j;
1211
1212 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1213 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1214
1215 /* This is needed in order to enable forwarding support */
1216 if (frag_size)
1217 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1218 max(frag_size, (u32)len_on_bd));
1219
1220 #ifdef BNX2X_STOP_ON_ERROR
1221 if (pages > 8*PAGES_PER_SGE) {
1222 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1223 pages, cqe_idx);
1224 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1225 fp_cqe->pkt_len, len_on_bd);
1226 bnx2x_panic();
1227 return -EINVAL;
1228 }
1229 #endif
1230
1231 /* Run through the SGL and compose the fragmented skb */
1232 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1233 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1234
1235 /* FW gives the indices of the SGE as if the ring is an array
1236 (meaning that "next" element will consume 2 indices) */
1237 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1238 rx_pg = &fp->rx_page_ring[sge_idx];
1239 sge = rx_pg->page;
1240 old_rx_pg = *rx_pg;
1241
1242 /* If we fail to allocate a substitute page, we simply stop
1243 where we are and drop the whole packet */
1244 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1245 if (unlikely(err)) {
1246 bp->eth_stats.rx_skb_alloc_failed++;
1247 return err;
1248 }
1249
1250 /* Unmap the page as we r going to pass it to the stack */
1251 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1252 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1253
1254 /* Add one frag and update the appropriate fields in the skb */
1255 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1256
1257 skb->data_len += frag_len;
1258 skb->truesize += frag_len;
1259 skb->len += frag_len;
1260
1261 frag_size -= frag_len;
1262 }
1263
1264 return 0;
1265 }
1266
1267 static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1268 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1269 u16 cqe_idx)
1270 {
1271 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1272 struct sk_buff *skb = rx_buf->skb;
1273 /* alloc new skb */
1274 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1275
1276 /* Unmap skb in the pool anyway, as we are going to change
1277 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1278 fails. */
1279 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1280 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
1281
1282 if (likely(new_skb)) {
1283 /* fix ip xsum and give it to the stack */
1284 /* (no need to map the new skb) */
1285
1286 prefetch(skb);
1287 prefetch(((char *)(skb)) + 128);
1288
1289 #ifdef BNX2X_STOP_ON_ERROR
1290 if (pad + len > bp->rx_buf_size) {
1291 BNX2X_ERR("skb_put is about to fail... "
1292 "pad %d len %d rx_buf_size %d\n",
1293 pad, len, bp->rx_buf_size);
1294 bnx2x_panic();
1295 return;
1296 }
1297 #endif
1298
1299 skb_reserve(skb, pad);
1300 skb_put(skb, len);
1301
1302 skb->protocol = eth_type_trans(skb, bp->dev);
1303 skb->ip_summed = CHECKSUM_UNNECESSARY;
1304
1305 {
1306 struct iphdr *iph;
1307
1308 iph = (struct iphdr *)skb->data;
1309 iph->check = 0;
1310 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1311 }
1312
1313 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1314 &cqe->fast_path_cqe, cqe_idx)) {
1315 #ifdef BCM_VLAN
1316 if ((bp->vlgrp != NULL) &&
1317 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1318 PARSING_FLAGS_VLAN))
1319 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1320 le16_to_cpu(cqe->fast_path_cqe.
1321 vlan_tag));
1322 else
1323 #endif
1324 netif_receive_skb(skb);
1325 } else {
1326 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1327 " - dropping packet!\n");
1328 dev_kfree_skb(skb);
1329 }
1330
1331
1332 /* put new skb in bin */
1333 fp->tpa_pool[queue].skb = new_skb;
1334
1335 } else {
1336 /* else drop the packet and keep the buffer in the bin */
1337 DP(NETIF_MSG_RX_STATUS,
1338 "Failed to allocate new skb - dropping packet!\n");
1339 bp->eth_stats.rx_skb_alloc_failed++;
1340 }
1341
1342 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1343 }
1344
1345 static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1346 struct bnx2x_fastpath *fp,
1347 u16 bd_prod, u16 rx_comp_prod,
1348 u16 rx_sge_prod)
1349 {
1350 struct tstorm_eth_rx_producers rx_prods = {0};
1351 int i;
1352
1353 /* Update producers */
1354 rx_prods.bd_prod = bd_prod;
1355 rx_prods.cqe_prod = rx_comp_prod;
1356 rx_prods.sge_prod = rx_sge_prod;
1357
1358 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1359 REG_WR(bp, BAR_TSTRORM_INTMEM +
1360 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1361 ((u32 *)&rx_prods)[i]);
1362
1363 DP(NETIF_MSG_RX_STATUS,
1364 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1365 bd_prod, rx_comp_prod, rx_sge_prod);
1366 }
1367
1368 static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1369 {
1370 struct bnx2x *bp = fp->bp;
1371 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
1372 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1373 int rx_pkt = 0;
1374
1375 #ifdef BNX2X_STOP_ON_ERROR
1376 if (unlikely(bp->panic))
1377 return 0;
1378 #endif
1379
1380 /* CQ "next element" is of the size of the regular element,
1381 that's why it's ok here */
1382 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1383 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1384 hw_comp_cons++;
1385
1386 bd_cons = fp->rx_bd_cons;
1387 bd_prod = fp->rx_bd_prod;
1388 bd_prod_fw = bd_prod;
1389 sw_comp_cons = fp->rx_comp_cons;
1390 sw_comp_prod = fp->rx_comp_prod;
1391
1392 /* Memory barrier necessary as speculative reads of the rx
1393 * buffer can be ahead of the index in the status block
1394 */
1395 rmb();
1396
1397 DP(NETIF_MSG_RX_STATUS,
1398 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
1399 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
1400
1401 while (sw_comp_cons != hw_comp_cons) {
1402 struct sw_rx_bd *rx_buf = NULL;
1403 struct sk_buff *skb;
1404 union eth_rx_cqe *cqe;
1405 u8 cqe_fp_flags;
1406 u16 len, pad;
1407
1408 comp_ring_cons = RCQ_BD(sw_comp_cons);
1409 bd_prod = RX_BD(bd_prod);
1410 bd_cons = RX_BD(bd_cons);
1411
1412 cqe = &fp->rx_comp_ring[comp_ring_cons];
1413 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1414
1415 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
1416 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1417 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
1418 cqe->fast_path_cqe.rss_hash_result,
1419 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1420 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
1421
1422 /* is this a slowpath msg? */
1423 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
1424 bnx2x_sp_event(fp, cqe);
1425 goto next_cqe;
1426
1427 /* this is an rx packet */
1428 } else {
1429 rx_buf = &fp->rx_buf_ring[bd_cons];
1430 skb = rx_buf->skb;
1431 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1432 pad = cqe->fast_path_cqe.placement_offset;
1433
1434 /* If CQE is marked both TPA_START and TPA_END
1435 it is a non-TPA CQE */
1436 if ((!fp->disable_tpa) &&
1437 (TPA_TYPE(cqe_fp_flags) !=
1438 (TPA_TYPE_START | TPA_TYPE_END))) {
1439 u16 queue = cqe->fast_path_cqe.queue_index;
1440
1441 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1442 DP(NETIF_MSG_RX_STATUS,
1443 "calling tpa_start on queue %d\n",
1444 queue);
1445
1446 bnx2x_tpa_start(fp, queue, skb,
1447 bd_cons, bd_prod);
1448 goto next_rx;
1449 }
1450
1451 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1452 DP(NETIF_MSG_RX_STATUS,
1453 "calling tpa_stop on queue %d\n",
1454 queue);
1455
1456 if (!BNX2X_RX_SUM_FIX(cqe))
1457 BNX2X_ERR("STOP on none TCP "
1458 "data\n");
1459
1460 /* This is a size of the linear data
1461 on this skb */
1462 len = le16_to_cpu(cqe->fast_path_cqe.
1463 len_on_bd);
1464 bnx2x_tpa_stop(bp, fp, queue, pad,
1465 len, cqe, comp_ring_cons);
1466 #ifdef BNX2X_STOP_ON_ERROR
1467 if (bp->panic)
1468 return -EINVAL;
1469 #endif
1470
1471 bnx2x_update_sge_prod(fp,
1472 &cqe->fast_path_cqe);
1473 goto next_cqe;
1474 }
1475 }
1476
1477 pci_dma_sync_single_for_device(bp->pdev,
1478 pci_unmap_addr(rx_buf, mapping),
1479 pad + RX_COPY_THRESH,
1480 PCI_DMA_FROMDEVICE);
1481 prefetch(skb);
1482 prefetch(((char *)(skb)) + 128);
1483
1484 /* is this an error packet? */
1485 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
1486 DP(NETIF_MSG_RX_ERR,
1487 "ERROR flags %x rx packet %u\n",
1488 cqe_fp_flags, sw_comp_cons);
1489 bp->eth_stats.rx_err_discard_pkt++;
1490 goto reuse_rx;
1491 }
1492
1493 /* Since we don't have a jumbo ring
1494 * copy small packets if mtu > 1500
1495 */
1496 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1497 (len <= RX_COPY_THRESH)) {
1498 struct sk_buff *new_skb;
1499
1500 new_skb = netdev_alloc_skb(bp->dev,
1501 len + pad);
1502 if (new_skb == NULL) {
1503 DP(NETIF_MSG_RX_ERR,
1504 "ERROR packet dropped "
1505 "because of alloc failure\n");
1506 bp->eth_stats.rx_skb_alloc_failed++;
1507 goto reuse_rx;
1508 }
1509
1510 /* aligned copy */
1511 skb_copy_from_linear_data_offset(skb, pad,
1512 new_skb->data + pad, len);
1513 skb_reserve(new_skb, pad);
1514 skb_put(new_skb, len);
1515
1516 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1517
1518 skb = new_skb;
1519
1520 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1521 pci_unmap_single(bp->pdev,
1522 pci_unmap_addr(rx_buf, mapping),
1523 bp->rx_buf_size,
1524 PCI_DMA_FROMDEVICE);
1525 skb_reserve(skb, pad);
1526 skb_put(skb, len);
1527
1528 } else {
1529 DP(NETIF_MSG_RX_ERR,
1530 "ERROR packet dropped because "
1531 "of alloc failure\n");
1532 bp->eth_stats.rx_skb_alloc_failed++;
1533 reuse_rx:
1534 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1535 goto next_rx;
1536 }
1537
1538 skb->protocol = eth_type_trans(skb, bp->dev);
1539
1540 skb->ip_summed = CHECKSUM_NONE;
1541 if (bp->rx_csum) {
1542 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1543 skb->ip_summed = CHECKSUM_UNNECESSARY;
1544 else
1545 bp->eth_stats.hw_csum_err++;
1546 }
1547 }
1548
1549 #ifdef BCM_VLAN
1550 if ((bp->vlgrp != NULL) &&
1551 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1552 PARSING_FLAGS_VLAN))
1553 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1554 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1555 else
1556 #endif
1557 netif_receive_skb(skb);
1558
1559
1560 next_rx:
1561 rx_buf->skb = NULL;
1562
1563 bd_cons = NEXT_RX_IDX(bd_cons);
1564 bd_prod = NEXT_RX_IDX(bd_prod);
1565 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1566 rx_pkt++;
1567 next_cqe:
1568 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1569 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
1570
1571 if (rx_pkt == budget)
1572 break;
1573 } /* while */
1574
1575 fp->rx_bd_cons = bd_cons;
1576 fp->rx_bd_prod = bd_prod_fw;
1577 fp->rx_comp_cons = sw_comp_cons;
1578 fp->rx_comp_prod = sw_comp_prod;
1579
1580 /* Update producers */
1581 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1582 fp->rx_sge_prod);
1583 mmiowb(); /* keep prod updates ordered */
1584
1585 fp->rx_pkt += rx_pkt;
1586 fp->rx_calls++;
1587
1588 return rx_pkt;
1589 }
1590
1591 static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1592 {
1593 struct bnx2x_fastpath *fp = fp_cookie;
1594 struct bnx2x *bp = fp->bp;
1595 struct net_device *dev = bp->dev;
1596 int index = FP_IDX(fp);
1597
1598 /* Return here if interrupt is disabled */
1599 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1600 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1601 return IRQ_HANDLED;
1602 }
1603
1604 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1605 index, FP_SB_ID(fp));
1606 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
1607
1608 #ifdef BNX2X_STOP_ON_ERROR
1609 if (unlikely(bp->panic))
1610 return IRQ_HANDLED;
1611 #endif
1612
1613 prefetch(fp->rx_cons_sb);
1614 prefetch(fp->tx_cons_sb);
1615 prefetch(&fp->status_blk->c_status_block.status_block_index);
1616 prefetch(&fp->status_blk->u_status_block.status_block_index);
1617
1618 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
1619
1620 return IRQ_HANDLED;
1621 }
1622
1623 static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1624 {
1625 struct net_device *dev = dev_instance;
1626 struct bnx2x *bp = netdev_priv(dev);
1627 u16 status = bnx2x_ack_int(bp);
1628 u16 mask;
1629
1630 /* Return here if interrupt is shared and it's not for us */
1631 if (unlikely(status == 0)) {
1632 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1633 return IRQ_NONE;
1634 }
1635 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
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 #ifdef BNX2X_STOP_ON_ERROR
1644 if (unlikely(bp->panic))
1645 return IRQ_HANDLED;
1646 #endif
1647
1648 mask = 0x2 << bp->fp[0].sb_id;
1649 if (status & mask) {
1650 struct bnx2x_fastpath *fp = &bp->fp[0];
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(dev, &bnx2x_fp(bp, 0, napi));
1658
1659 status &= ~mask;
1660 }
1661
1662
1663 if (unlikely(status & 0x1)) {
1664 schedule_work(&bp->sp_task);
1665
1666 status &= ~0x1;
1667 if (!status)
1668 return IRQ_HANDLED;
1669 }
1670
1671 if (status)
1672 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1673 status);
1674
1675 return IRQ_HANDLED;
1676 }
1677
1678 /* end of fast path */
1679
1680 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
1681
1682 /* Link */
1683
1684 /*
1685 * General service functions
1686 */
1687
1688 static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1689 {
1690 u32 lock_status;
1691 u32 resource_bit = (1 << resource);
1692 int func = BP_FUNC(bp);
1693 u32 hw_lock_control_reg;
1694 int cnt;
1695
1696 /* Validating that the resource is within range */
1697 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1698 DP(NETIF_MSG_HW,
1699 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1700 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1701 return -EINVAL;
1702 }
1703
1704 if (func <= 5) {
1705 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1706 } else {
1707 hw_lock_control_reg =
1708 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1709 }
1710
1711 /* Validating that the resource is not already taken */
1712 lock_status = REG_RD(bp, hw_lock_control_reg);
1713 if (lock_status & resource_bit) {
1714 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1715 lock_status, resource_bit);
1716 return -EEXIST;
1717 }
1718
1719 /* Try for 5 second every 5ms */
1720 for (cnt = 0; cnt < 1000; cnt++) {
1721 /* Try to acquire the lock */
1722 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1723 lock_status = REG_RD(bp, hw_lock_control_reg);
1724 if (lock_status & resource_bit)
1725 return 0;
1726
1727 msleep(5);
1728 }
1729 DP(NETIF_MSG_HW, "Timeout\n");
1730 return -EAGAIN;
1731 }
1732
1733 static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1734 {
1735 u32 lock_status;
1736 u32 resource_bit = (1 << resource);
1737 int func = BP_FUNC(bp);
1738 u32 hw_lock_control_reg;
1739
1740 /* Validating that the resource is within range */
1741 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1742 DP(NETIF_MSG_HW,
1743 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1744 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1745 return -EINVAL;
1746 }
1747
1748 if (func <= 5) {
1749 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1750 } else {
1751 hw_lock_control_reg =
1752 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1753 }
1754
1755 /* Validating that the resource is currently taken */
1756 lock_status = REG_RD(bp, hw_lock_control_reg);
1757 if (!(lock_status & resource_bit)) {
1758 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1759 lock_status, resource_bit);
1760 return -EFAULT;
1761 }
1762
1763 REG_WR(bp, hw_lock_control_reg, resource_bit);
1764 return 0;
1765 }
1766
1767 /* HW Lock for shared dual port PHYs */
1768 static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
1769 {
1770 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1771
1772 mutex_lock(&bp->port.phy_mutex);
1773
1774 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1775 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1776 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1777 }
1778
1779 static void bnx2x_release_phy_lock(struct bnx2x *bp)
1780 {
1781 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1782
1783 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1784 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1785 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1786
1787 mutex_unlock(&bp->port.phy_mutex);
1788 }
1789
1790 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1791 {
1792 /* The GPIO should be swapped if swap register is set and active */
1793 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1794 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1795 int gpio_shift = gpio_num +
1796 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1797 u32 gpio_mask = (1 << gpio_shift);
1798 u32 gpio_reg;
1799
1800 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1801 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1802 return -EINVAL;
1803 }
1804
1805 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1806 /* read GPIO and mask except the float bits */
1807 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1808
1809 switch (mode) {
1810 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1811 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1812 gpio_num, gpio_shift);
1813 /* clear FLOAT and set CLR */
1814 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1815 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1816 break;
1817
1818 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1819 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1820 gpio_num, gpio_shift);
1821 /* clear FLOAT and set SET */
1822 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1823 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1824 break;
1825
1826 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1827 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1828 gpio_num, gpio_shift);
1829 /* set FLOAT */
1830 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1831 break;
1832
1833 default:
1834 break;
1835 }
1836
1837 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1838 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1839
1840 return 0;
1841 }
1842
1843 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1844 {
1845 u32 spio_mask = (1 << spio_num);
1846 u32 spio_reg;
1847
1848 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1849 (spio_num > MISC_REGISTERS_SPIO_7)) {
1850 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1851 return -EINVAL;
1852 }
1853
1854 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1855 /* read SPIO and mask except the float bits */
1856 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1857
1858 switch (mode) {
1859 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
1860 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1861 /* clear FLOAT and set CLR */
1862 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1863 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1864 break;
1865
1866 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
1867 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1868 /* clear FLOAT and set SET */
1869 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1870 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1871 break;
1872
1873 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1874 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1875 /* set FLOAT */
1876 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1877 break;
1878
1879 default:
1880 break;
1881 }
1882
1883 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1884 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1885
1886 return 0;
1887 }
1888
1889 static void bnx2x_calc_fc_adv(struct bnx2x *bp)
1890 {
1891 switch (bp->link_vars.ieee_fc) {
1892 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1893 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1894 ADVERTISED_Pause);
1895 break;
1896 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1897 bp->port.advertising |= (ADVERTISED_Asym_Pause |
1898 ADVERTISED_Pause);
1899 break;
1900 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1901 bp->port.advertising |= ADVERTISED_Asym_Pause;
1902 break;
1903 default:
1904 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1905 ADVERTISED_Pause);
1906 break;
1907 }
1908 }
1909
1910 static void bnx2x_link_report(struct bnx2x *bp)
1911 {
1912 if (bp->link_vars.link_up) {
1913 if (bp->state == BNX2X_STATE_OPEN)
1914 netif_carrier_on(bp->dev);
1915 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1916
1917 printk("%d Mbps ", bp->link_vars.line_speed);
1918
1919 if (bp->link_vars.duplex == DUPLEX_FULL)
1920 printk("full duplex");
1921 else
1922 printk("half duplex");
1923
1924 if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) {
1925 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) {
1926 printk(", receive ");
1927 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
1928 printk("& transmit ");
1929 } else {
1930 printk(", transmit ");
1931 }
1932 printk("flow control ON");
1933 }
1934 printk("\n");
1935
1936 } else { /* link_down */
1937 netif_carrier_off(bp->dev);
1938 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
1939 }
1940 }
1941
1942 static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
1943 {
1944 if (!BP_NOMCP(bp)) {
1945 u8 rc;
1946
1947 /* Initialize link parameters structure variables */
1948 /* It is recommended to turn off RX FC for jumbo frames
1949 for better performance */
1950 if (IS_E1HMF(bp))
1951 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
1952 else if (bp->dev->mtu > 5000)
1953 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
1954 else
1955 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
1956
1957 bnx2x_acquire_phy_lock(bp);
1958 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1959 bnx2x_release_phy_lock(bp);
1960
1961 if (bp->link_vars.link_up)
1962 bnx2x_link_report(bp);
1963
1964 bnx2x_calc_fc_adv(bp);
1965
1966 return rc;
1967 }
1968 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1969 return -EINVAL;
1970 }
1971
1972 static void bnx2x_link_set(struct bnx2x *bp)
1973 {
1974 if (!BP_NOMCP(bp)) {
1975 bnx2x_acquire_phy_lock(bp);
1976 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1977 bnx2x_release_phy_lock(bp);
1978
1979 bnx2x_calc_fc_adv(bp);
1980 } else
1981 BNX2X_ERR("Bootcode is missing -not setting link\n");
1982 }
1983
1984 static void bnx2x__link_reset(struct bnx2x *bp)
1985 {
1986 if (!BP_NOMCP(bp)) {
1987 bnx2x_acquire_phy_lock(bp);
1988 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
1989 bnx2x_release_phy_lock(bp);
1990 } else
1991 BNX2X_ERR("Bootcode is missing -not resetting link\n");
1992 }
1993
1994 static u8 bnx2x_link_test(struct bnx2x *bp)
1995 {
1996 u8 rc;
1997
1998 bnx2x_acquire_phy_lock(bp);
1999 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
2000 bnx2x_release_phy_lock(bp);
2001
2002 return rc;
2003 }
2004
2005 /* Calculates the sum of vn_min_rates.
2006 It's needed for further normalizing of the min_rates.
2007
2008 Returns:
2009 sum of vn_min_rates
2010 or
2011 0 - if all the min_rates are 0.
2012 In the later case fairness algorithm should be deactivated.
2013 If not all min_rates are zero then those that are zeroes will
2014 be set to 1.
2015 */
2016 static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2017 {
2018 int i, port = BP_PORT(bp);
2019 u32 wsum = 0;
2020 int all_zero = 1;
2021
2022 for (i = 0; i < E1HVN_MAX; i++) {
2023 u32 vn_cfg =
2024 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2025 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2026 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2027 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2028 /* If min rate is zero - set it to 1 */
2029 if (!vn_min_rate)
2030 vn_min_rate = DEF_MIN_RATE;
2031 else
2032 all_zero = 0;
2033
2034 wsum += vn_min_rate;
2035 }
2036 }
2037
2038 /* ... only if all min rates are zeros - disable FAIRNESS */
2039 if (all_zero)
2040 return 0;
2041
2042 return wsum;
2043 }
2044
2045 static void bnx2x_init_port_minmax(struct bnx2x *bp,
2046 int en_fness,
2047 u16 port_rate,
2048 struct cmng_struct_per_port *m_cmng_port)
2049 {
2050 u32 r_param = port_rate / 8;
2051 int port = BP_PORT(bp);
2052 int i;
2053
2054 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2055
2056 /* Enable minmax only if we are in e1hmf mode */
2057 if (IS_E1HMF(bp)) {
2058 u32 fair_periodic_timeout_usec;
2059 u32 t_fair;
2060
2061 /* Enable rate shaping and fairness */
2062 m_cmng_port->flags.cmng_vn_enable = 1;
2063 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2064 m_cmng_port->flags.rate_shaping_enable = 1;
2065
2066 if (!en_fness)
2067 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2068 " fairness will be disabled\n");
2069
2070 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2071 m_cmng_port->rs_vars.rs_periodic_timeout =
2072 RS_PERIODIC_TIMEOUT_USEC / 4;
2073
2074 /* this is the threshold below which no timer arming will occur
2075 1.25 coefficient is for the threshold to be a little bigger
2076 than the real time, to compensate for timer in-accuracy */
2077 m_cmng_port->rs_vars.rs_threshold =
2078 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2079
2080 /* resolution of fairness timer */
2081 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2082 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2083 t_fair = T_FAIR_COEF / port_rate;
2084
2085 /* this is the threshold below which we won't arm
2086 the timer anymore */
2087 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2088
2089 /* we multiply by 1e3/8 to get bytes/msec.
2090 We don't want the credits to pass a credit
2091 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2092 m_cmng_port->fair_vars.upper_bound =
2093 r_param * t_fair * FAIR_MEM;
2094 /* since each tick is 4 usec */
2095 m_cmng_port->fair_vars.fairness_timeout =
2096 fair_periodic_timeout_usec / 4;
2097
2098 } else {
2099 /* Disable rate shaping and fairness */
2100 m_cmng_port->flags.cmng_vn_enable = 0;
2101 m_cmng_port->flags.fairness_enable = 0;
2102 m_cmng_port->flags.rate_shaping_enable = 0;
2103
2104 DP(NETIF_MSG_IFUP,
2105 "Single function mode minmax will be disabled\n");
2106 }
2107
2108 /* Store it to internal memory */
2109 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2110 REG_WR(bp, BAR_XSTRORM_INTMEM +
2111 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2112 ((u32 *)(m_cmng_port))[i]);
2113 }
2114
2115 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2116 u32 wsum, u16 port_rate,
2117 struct cmng_struct_per_port *m_cmng_port)
2118 {
2119 struct rate_shaping_vars_per_vn m_rs_vn;
2120 struct fairness_vars_per_vn m_fair_vn;
2121 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2122 u16 vn_min_rate, vn_max_rate;
2123 int i;
2124
2125 /* If function is hidden - set min and max to zeroes */
2126 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2127 vn_min_rate = 0;
2128 vn_max_rate = 0;
2129
2130 } else {
2131 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2132 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2133 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2134 if current min rate is zero - set it to 1.
2135 This is a requirement of the algorithm. */
2136 if ((vn_min_rate == 0) && wsum)
2137 vn_min_rate = DEF_MIN_RATE;
2138 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2139 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2140 }
2141
2142 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2143 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2144
2145 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2146 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2147
2148 /* global vn counter - maximal Mbps for this vn */
2149 m_rs_vn.vn_counter.rate = vn_max_rate;
2150
2151 /* quota - number of bytes transmitted in this period */
2152 m_rs_vn.vn_counter.quota =
2153 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2154
2155 #ifdef BNX2X_PER_PROT_QOS
2156 /* per protocol counter */
2157 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2158 /* maximal Mbps for this protocol */
2159 m_rs_vn.protocol_counters[protocol].rate =
2160 protocol_max_rate[protocol];
2161 /* the quota in each timer period -
2162 number of bytes transmitted in this period */
2163 m_rs_vn.protocol_counters[protocol].quota =
2164 (u32)(rs_periodic_timeout_usec *
2165 ((double)m_rs_vn.
2166 protocol_counters[protocol].rate/8));
2167 }
2168 #endif
2169
2170 if (wsum) {
2171 /* credit for each period of the fairness algorithm:
2172 number of bytes in T_FAIR (the vn share the port rate).
2173 wsum should not be larger than 10000, thus
2174 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2175 m_fair_vn.vn_credit_delta =
2176 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2177 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2178 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2179 m_fair_vn.vn_credit_delta);
2180 }
2181
2182 #ifdef BNX2X_PER_PROT_QOS
2183 do {
2184 u32 protocolWeightSum = 0;
2185
2186 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2187 protocolWeightSum +=
2188 drvInit.protocol_min_rate[protocol];
2189 /* per protocol counter -
2190 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2191 if (protocolWeightSum > 0) {
2192 for (protocol = 0;
2193 protocol < NUM_OF_PROTOCOLS; protocol++)
2194 /* credit for each period of the
2195 fairness algorithm - number of bytes in
2196 T_FAIR (the protocol share the vn rate) */
2197 m_fair_vn.protocol_credit_delta[protocol] =
2198 (u32)((vn_min_rate / 8) * t_fair *
2199 protocol_min_rate / protocolWeightSum);
2200 }
2201 } while (0);
2202 #endif
2203
2204 /* Store it to internal memory */
2205 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2206 REG_WR(bp, BAR_XSTRORM_INTMEM +
2207 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2208 ((u32 *)(&m_rs_vn))[i]);
2209
2210 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2211 REG_WR(bp, BAR_XSTRORM_INTMEM +
2212 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2213 ((u32 *)(&m_fair_vn))[i]);
2214 }
2215
2216 /* This function is called upon link interrupt */
2217 static void bnx2x_link_attn(struct bnx2x *bp)
2218 {
2219 int vn;
2220
2221 /* Make sure that we are synced with the current statistics */
2222 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2223
2224 bnx2x_acquire_phy_lock(bp);
2225 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2226 bnx2x_release_phy_lock(bp);
2227
2228 if (bp->link_vars.link_up) {
2229
2230 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2231 struct host_port_stats *pstats;
2232
2233 pstats = bnx2x_sp(bp, port_stats);
2234 /* reset old bmac stats */
2235 memset(&(pstats->mac_stx[0]), 0,
2236 sizeof(struct mac_stx));
2237 }
2238 if ((bp->state == BNX2X_STATE_OPEN) ||
2239 (bp->state == BNX2X_STATE_DISABLED))
2240 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2241 }
2242
2243 /* indicate link status */
2244 bnx2x_link_report(bp);
2245
2246 if (IS_E1HMF(bp)) {
2247 int func;
2248
2249 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2250 if (vn == BP_E1HVN(bp))
2251 continue;
2252
2253 func = ((vn << 1) | BP_PORT(bp));
2254
2255 /* Set the attention towards other drivers
2256 on the same port */
2257 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2258 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2259 }
2260 }
2261
2262 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2263 struct cmng_struct_per_port m_cmng_port;
2264 u32 wsum;
2265 int port = BP_PORT(bp);
2266
2267 /* Init RATE SHAPING and FAIRNESS contexts */
2268 wsum = bnx2x_calc_vn_wsum(bp);
2269 bnx2x_init_port_minmax(bp, (int)wsum,
2270 bp->link_vars.line_speed,
2271 &m_cmng_port);
2272 if (IS_E1HMF(bp))
2273 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2274 bnx2x_init_vn_minmax(bp, 2*vn + port,
2275 wsum, bp->link_vars.line_speed,
2276 &m_cmng_port);
2277 }
2278 }
2279
2280 static void bnx2x__link_status_update(struct bnx2x *bp)
2281 {
2282 if (bp->state != BNX2X_STATE_OPEN)
2283 return;
2284
2285 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2286
2287 if (bp->link_vars.link_up)
2288 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2289 else
2290 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2291
2292 /* indicate link status */
2293 bnx2x_link_report(bp);
2294 }
2295
2296 static void bnx2x_pmf_update(struct bnx2x *bp)
2297 {
2298 int port = BP_PORT(bp);
2299 u32 val;
2300
2301 bp->port.pmf = 1;
2302 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2303
2304 /* enable nig attention */
2305 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2306 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2307 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2308
2309 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2310 }
2311
2312 /* end of Link */
2313
2314 /* slow path */
2315
2316 /*
2317 * General service functions
2318 */
2319
2320 /* the slow path queue is odd since completions arrive on the fastpath ring */
2321 static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2322 u32 data_hi, u32 data_lo, int common)
2323 {
2324 int func = BP_FUNC(bp);
2325
2326 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2327 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
2328 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2329 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2330 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2331
2332 #ifdef BNX2X_STOP_ON_ERROR
2333 if (unlikely(bp->panic))
2334 return -EIO;
2335 #endif
2336
2337 spin_lock_bh(&bp->spq_lock);
2338
2339 if (!bp->spq_left) {
2340 BNX2X_ERR("BUG! SPQ ring full!\n");
2341 spin_unlock_bh(&bp->spq_lock);
2342 bnx2x_panic();
2343 return -EBUSY;
2344 }
2345
2346 /* CID needs port number to be encoded int it */
2347 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2348 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2349 HW_CID(bp, cid)));
2350 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2351 if (common)
2352 bp->spq_prod_bd->hdr.type |=
2353 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2354
2355 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2356 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2357
2358 bp->spq_left--;
2359
2360 if (bp->spq_prod_bd == bp->spq_last_bd) {
2361 bp->spq_prod_bd = bp->spq;
2362 bp->spq_prod_idx = 0;
2363 DP(NETIF_MSG_TIMER, "end of spq\n");
2364
2365 } else {
2366 bp->spq_prod_bd++;
2367 bp->spq_prod_idx++;
2368 }
2369
2370 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2371 bp->spq_prod_idx);
2372
2373 spin_unlock_bh(&bp->spq_lock);
2374 return 0;
2375 }
2376
2377 /* acquire split MCP access lock register */
2378 static int bnx2x_acquire_alr(struct bnx2x *bp)
2379 {
2380 u32 i, j, val;
2381 int rc = 0;
2382
2383 might_sleep();
2384 i = 100;
2385 for (j = 0; j < i*10; j++) {
2386 val = (1UL << 31);
2387 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2388 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2389 if (val & (1L << 31))
2390 break;
2391
2392 msleep(5);
2393 }
2394 if (!(val & (1L << 31))) {
2395 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2396 rc = -EBUSY;
2397 }
2398
2399 return rc;
2400 }
2401
2402 /* release split MCP access lock register */
2403 static void bnx2x_release_alr(struct bnx2x *bp)
2404 {
2405 u32 val = 0;
2406
2407 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2408 }
2409
2410 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2411 {
2412 struct host_def_status_block *def_sb = bp->def_status_blk;
2413 u16 rc = 0;
2414
2415 barrier(); /* status block is written to by the chip */
2416 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2417 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2418 rc |= 1;
2419 }
2420 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2421 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2422 rc |= 2;
2423 }
2424 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2425 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2426 rc |= 4;
2427 }
2428 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2429 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2430 rc |= 8;
2431 }
2432 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2433 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2434 rc |= 16;
2435 }
2436 return rc;
2437 }
2438
2439 /*
2440 * slow path service functions
2441 */
2442
2443 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2444 {
2445 int port = BP_PORT(bp);
2446 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2447 COMMAND_REG_ATTN_BITS_SET);
2448 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2449 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2450 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2451 NIG_REG_MASK_INTERRUPT_PORT0;
2452 u32 aeu_mask;
2453
2454 if (bp->attn_state & asserted)
2455 BNX2X_ERR("IGU ERROR\n");
2456
2457 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2458 aeu_mask = REG_RD(bp, aeu_addr);
2459
2460 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2461 aeu_mask, asserted);
2462 aeu_mask &= ~(asserted & 0xff);
2463 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2464
2465 REG_WR(bp, aeu_addr, aeu_mask);
2466 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2467
2468 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2469 bp->attn_state |= asserted;
2470 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2471
2472 if (asserted & ATTN_HARD_WIRED_MASK) {
2473 if (asserted & ATTN_NIG_FOR_FUNC) {
2474
2475 /* save nig interrupt mask */
2476 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2477 REG_WR(bp, nig_int_mask_addr, 0);
2478
2479 bnx2x_link_attn(bp);
2480
2481 /* handle unicore attn? */
2482 }
2483 if (asserted & ATTN_SW_TIMER_4_FUNC)
2484 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2485
2486 if (asserted & GPIO_2_FUNC)
2487 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2488
2489 if (asserted & GPIO_3_FUNC)
2490 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2491
2492 if (asserted & GPIO_4_FUNC)
2493 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2494
2495 if (port == 0) {
2496 if (asserted & ATTN_GENERAL_ATTN_1) {
2497 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2498 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2499 }
2500 if (asserted & ATTN_GENERAL_ATTN_2) {
2501 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2502 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2503 }
2504 if (asserted & ATTN_GENERAL_ATTN_3) {
2505 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2506 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2507 }
2508 } else {
2509 if (asserted & ATTN_GENERAL_ATTN_4) {
2510 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2511 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2512 }
2513 if (asserted & ATTN_GENERAL_ATTN_5) {
2514 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2515 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2516 }
2517 if (asserted & ATTN_GENERAL_ATTN_6) {
2518 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2519 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2520 }
2521 }
2522
2523 } /* if hardwired */
2524
2525 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2526 asserted, hc_addr);
2527 REG_WR(bp, hc_addr, asserted);
2528
2529 /* now set back the mask */
2530 if (asserted & ATTN_NIG_FOR_FUNC)
2531 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2532 }
2533
2534 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2535 {
2536 int port = BP_PORT(bp);
2537 int reg_offset;
2538 u32 val;
2539
2540 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2541 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2542
2543 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2544
2545 val = REG_RD(bp, reg_offset);
2546 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2547 REG_WR(bp, reg_offset, val);
2548
2549 BNX2X_ERR("SPIO5 hw attention\n");
2550
2551 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2552 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
2553 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2554 /* Fan failure attention */
2555
2556 /* The PHY reset is controlled by GPIO 1 */
2557 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2558 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2559 /* Low power mode is controlled by GPIO 2 */
2560 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2561 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2562 /* mark the failure */
2563 bp->link_params.ext_phy_config &=
2564 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2565 bp->link_params.ext_phy_config |=
2566 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2567 SHMEM_WR(bp,
2568 dev_info.port_hw_config[port].
2569 external_phy_config,
2570 bp->link_params.ext_phy_config);
2571 /* log the failure */
2572 printk(KERN_ERR PFX "Fan Failure on Network"
2573 " Controller %s has caused the driver to"
2574 " shutdown the card to prevent permanent"
2575 " damage. Please contact Dell Support for"
2576 " assistance\n", bp->dev->name);
2577 break;
2578
2579 default:
2580 break;
2581 }
2582 }
2583
2584 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2585
2586 val = REG_RD(bp, reg_offset);
2587 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2588 REG_WR(bp, reg_offset, val);
2589
2590 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2591 (attn & HW_INTERRUT_ASSERT_SET_0));
2592 bnx2x_panic();
2593 }
2594 }
2595
2596 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2597 {
2598 u32 val;
2599
2600 if (attn & BNX2X_DOORQ_ASSERT) {
2601
2602 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2603 BNX2X_ERR("DB hw attention 0x%x\n", val);
2604 /* DORQ discard attention */
2605 if (val & 0x2)
2606 BNX2X_ERR("FATAL error from DORQ\n");
2607 }
2608
2609 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2610
2611 int port = BP_PORT(bp);
2612 int reg_offset;
2613
2614 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2615 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2616
2617 val = REG_RD(bp, reg_offset);
2618 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2619 REG_WR(bp, reg_offset, val);
2620
2621 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2622 (attn & HW_INTERRUT_ASSERT_SET_1));
2623 bnx2x_panic();
2624 }
2625 }
2626
2627 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2628 {
2629 u32 val;
2630
2631 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2632
2633 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2634 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2635 /* CFC error attention */
2636 if (val & 0x2)
2637 BNX2X_ERR("FATAL error from CFC\n");
2638 }
2639
2640 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2641
2642 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2643 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2644 /* RQ_USDMDP_FIFO_OVERFLOW */
2645 if (val & 0x18000)
2646 BNX2X_ERR("FATAL error from PXP\n");
2647 }
2648
2649 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2650
2651 int port = BP_PORT(bp);
2652 int reg_offset;
2653
2654 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2655 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2656
2657 val = REG_RD(bp, reg_offset);
2658 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2659 REG_WR(bp, reg_offset, val);
2660
2661 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2662 (attn & HW_INTERRUT_ASSERT_SET_2));
2663 bnx2x_panic();
2664 }
2665 }
2666
2667 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2668 {
2669 u32 val;
2670
2671 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2672
2673 if (attn & BNX2X_PMF_LINK_ASSERT) {
2674 int func = BP_FUNC(bp);
2675
2676 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2677 bnx2x__link_status_update(bp);
2678 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2679 DRV_STATUS_PMF)
2680 bnx2x_pmf_update(bp);
2681
2682 } else if (attn & BNX2X_MC_ASSERT_BITS) {
2683
2684 BNX2X_ERR("MC assert!\n");
2685 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2686 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2687 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2688 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2689 bnx2x_panic();
2690
2691 } else if (attn & BNX2X_MCP_ASSERT) {
2692
2693 BNX2X_ERR("MCP assert!\n");
2694 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
2695 bnx2x_fw_dump(bp);
2696
2697 } else
2698 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2699 }
2700
2701 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2702 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2703 if (attn & BNX2X_GRC_TIMEOUT) {
2704 val = CHIP_IS_E1H(bp) ?
2705 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2706 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2707 }
2708 if (attn & BNX2X_GRC_RSV) {
2709 val = CHIP_IS_E1H(bp) ?
2710 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2711 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2712 }
2713 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
2714 }
2715 }
2716
2717 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2718 {
2719 struct attn_route attn;
2720 struct attn_route group_mask;
2721 int port = BP_PORT(bp);
2722 int index;
2723 u32 reg_addr;
2724 u32 val;
2725 u32 aeu_mask;
2726
2727 /* need to take HW lock because MCP or other port might also
2728 try to handle this event */
2729 bnx2x_acquire_alr(bp);
2730
2731 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2732 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2733 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2734 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
2735 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2736 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
2737
2738 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2739 if (deasserted & (1 << index)) {
2740 group_mask = bp->attn_group[index];
2741
2742 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2743 index, group_mask.sig[0], group_mask.sig[1],
2744 group_mask.sig[2], group_mask.sig[3]);
2745
2746 bnx2x_attn_int_deasserted3(bp,
2747 attn.sig[3] & group_mask.sig[3]);
2748 bnx2x_attn_int_deasserted1(bp,
2749 attn.sig[1] & group_mask.sig[1]);
2750 bnx2x_attn_int_deasserted2(bp,
2751 attn.sig[2] & group_mask.sig[2]);
2752 bnx2x_attn_int_deasserted0(bp,
2753 attn.sig[0] & group_mask.sig[0]);
2754
2755 if ((attn.sig[0] & group_mask.sig[0] &
2756 HW_PRTY_ASSERT_SET_0) ||
2757 (attn.sig[1] & group_mask.sig[1] &
2758 HW_PRTY_ASSERT_SET_1) ||
2759 (attn.sig[2] & group_mask.sig[2] &
2760 HW_PRTY_ASSERT_SET_2))
2761 BNX2X_ERR("FATAL HW block parity attention\n");
2762 }
2763 }
2764
2765 bnx2x_release_alr(bp);
2766
2767 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
2768
2769 val = ~deasserted;
2770 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2771 val, reg_addr);
2772 REG_WR(bp, reg_addr, val);
2773
2774 if (~bp->attn_state & deasserted)
2775 BNX2X_ERR("IGU ERROR\n");
2776
2777 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2778 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2779
2780 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2781 aeu_mask = REG_RD(bp, reg_addr);
2782
2783 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2784 aeu_mask, deasserted);
2785 aeu_mask |= (deasserted & 0xff);
2786 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2787
2788 REG_WR(bp, reg_addr, aeu_mask);
2789 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2790
2791 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2792 bp->attn_state &= ~deasserted;
2793 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2794 }
2795
2796 static void bnx2x_attn_int(struct bnx2x *bp)
2797 {
2798 /* read local copy of bits */
2799 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2800 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2801 u32 attn_state = bp->attn_state;
2802
2803 /* look for changed bits */
2804 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2805 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2806
2807 DP(NETIF_MSG_HW,
2808 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2809 attn_bits, attn_ack, asserted, deasserted);
2810
2811 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
2812 BNX2X_ERR("BAD attention state\n");
2813
2814 /* handle bits that were raised */
2815 if (asserted)
2816 bnx2x_attn_int_asserted(bp, asserted);
2817
2818 if (deasserted)
2819 bnx2x_attn_int_deasserted(bp, deasserted);
2820 }
2821
2822 static void bnx2x_sp_task(struct work_struct *work)
2823 {
2824 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2825 u16 status;
2826
2827
2828 /* Return here if interrupt is disabled */
2829 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2830 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2831 return;
2832 }
2833
2834 status = bnx2x_update_dsb_idx(bp);
2835 /* if (status == 0) */
2836 /* BNX2X_ERR("spurious slowpath interrupt!\n"); */
2837
2838 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
2839
2840 /* HW attentions */
2841 if (status & 0x1)
2842 bnx2x_attn_int(bp);
2843
2844 /* CStorm events: query_stats, port delete ramrod */
2845 if (status & 0x2)
2846 bp->stats_pending = 0;
2847
2848 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2849 IGU_INT_NOP, 1);
2850 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2851 IGU_INT_NOP, 1);
2852 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2853 IGU_INT_NOP, 1);
2854 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2855 IGU_INT_NOP, 1);
2856 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2857 IGU_INT_ENABLE, 1);
2858
2859 }
2860
2861 static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2862 {
2863 struct net_device *dev = dev_instance;
2864 struct bnx2x *bp = netdev_priv(dev);
2865
2866 /* Return here if interrupt is disabled */
2867 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2868 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2869 return IRQ_HANDLED;
2870 }
2871
2872 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
2873
2874 #ifdef BNX2X_STOP_ON_ERROR
2875 if (unlikely(bp->panic))
2876 return IRQ_HANDLED;
2877 #endif
2878
2879 schedule_work(&bp->sp_task);
2880
2881 return IRQ_HANDLED;
2882 }
2883
2884 /* end of slow path */
2885
2886 /* Statistics */
2887
2888 /****************************************************************************
2889 * Macros
2890 ****************************************************************************/
2891
2892 /* sum[hi:lo] += add[hi:lo] */
2893 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2894 do { \
2895 s_lo += a_lo; \
2896 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2897 } while (0)
2898
2899 /* difference = minuend - subtrahend */
2900 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2901 do { \
2902 if (m_lo < s_lo) { \
2903 /* underflow */ \
2904 d_hi = m_hi - s_hi; \
2905 if (d_hi > 0) { \
2906 /* we can 'loan' 1 */ \
2907 d_hi--; \
2908 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
2909 } else { \
2910 /* m_hi <= s_hi */ \
2911 d_hi = 0; \
2912 d_lo = 0; \
2913 } \
2914 } else { \
2915 /* m_lo >= s_lo */ \
2916 if (m_hi < s_hi) { \
2917 d_hi = 0; \
2918 d_lo = 0; \
2919 } else { \
2920 /* m_hi >= s_hi */ \
2921 d_hi = m_hi - s_hi; \
2922 d_lo = m_lo - s_lo; \
2923 } \
2924 } \
2925 } while (0)
2926
2927 #define UPDATE_STAT64(s, t) \
2928 do { \
2929 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2930 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2931 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2932 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2933 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2934 pstats->mac_stx[1].t##_lo, diff.lo); \
2935 } while (0)
2936
2937 #define UPDATE_STAT64_NIG(s, t) \
2938 do { \
2939 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2940 diff.lo, new->s##_lo, old->s##_lo); \
2941 ADD_64(estats->t##_hi, diff.hi, \
2942 estats->t##_lo, diff.lo); \
2943 } while (0)
2944
2945 /* sum[hi:lo] += add */
2946 #define ADD_EXTEND_64(s_hi, s_lo, a) \
2947 do { \
2948 s_lo += a; \
2949 s_hi += (s_lo < a) ? 1 : 0; \
2950 } while (0)
2951
2952 #define UPDATE_EXTEND_STAT(s) \
2953 do { \
2954 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2955 pstats->mac_stx[1].s##_lo, \
2956 new->s); \
2957 } while (0)
2958
2959 #define UPDATE_EXTEND_TSTAT(s, t) \
2960 do { \
2961 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2962 old_tclient->s = le32_to_cpu(tclient->s); \
2963 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2964 } while (0)
2965
2966 #define UPDATE_EXTEND_XSTAT(s, t) \
2967 do { \
2968 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2969 old_xclient->s = le32_to_cpu(xclient->s); \
2970 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2971 } while (0)
2972
2973 /*
2974 * General service functions
2975 */
2976
2977 static inline long bnx2x_hilo(u32 *hiref)
2978 {
2979 u32 lo = *(hiref + 1);
2980 #if (BITS_PER_LONG == 64)
2981 u32 hi = *hiref;
2982
2983 return HILO_U64(hi, lo);
2984 #else
2985 return lo;
2986 #endif
2987 }
2988
2989 /*
2990 * Init service functions
2991 */
2992
2993 static void bnx2x_storm_stats_post(struct bnx2x *bp)
2994 {
2995 if (!bp->stats_pending) {
2996 struct eth_query_ramrod_data ramrod_data = {0};
2997 int rc;
2998
2999 ramrod_data.drv_counter = bp->stats_counter++;
3000 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3001 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3002
3003 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3004 ((u32 *)&ramrod_data)[1],
3005 ((u32 *)&ramrod_data)[0], 0);
3006 if (rc == 0) {
3007 /* stats ramrod has it's own slot on the spq */
3008 bp->spq_left++;
3009 bp->stats_pending = 1;
3010 }
3011 }
3012 }
3013
3014 static void bnx2x_stats_init(struct bnx2x *bp)
3015 {
3016 int port = BP_PORT(bp);
3017
3018 bp->executer_idx = 0;
3019 bp->stats_counter = 0;
3020
3021 /* port stats */
3022 if (!BP_NOMCP(bp))
3023 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3024 else
3025 bp->port.port_stx = 0;
3026 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3027
3028 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3029 bp->port.old_nig_stats.brb_discard =
3030 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
3031 bp->port.old_nig_stats.brb_truncate =
3032 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
3033 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3034 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3035 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3036 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3037
3038 /* function stats */
3039 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3040 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3041 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3042 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3043
3044 bp->stats_state = STATS_STATE_DISABLED;
3045 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3046 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3047 }
3048
3049 static void bnx2x_hw_stats_post(struct bnx2x *bp)
3050 {
3051 struct dmae_command *dmae = &bp->stats_dmae;
3052 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3053
3054 *stats_comp = DMAE_COMP_VAL;
3055
3056 /* loader */
3057 if (bp->executer_idx) {
3058 int loader_idx = PMF_DMAE_C(bp);
3059
3060 memset(dmae, 0, sizeof(struct dmae_command));
3061
3062 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3063 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3064 DMAE_CMD_DST_RESET |
3065 #ifdef __BIG_ENDIAN
3066 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3067 #else
3068 DMAE_CMD_ENDIANITY_DW_SWAP |
3069 #endif
3070 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3071 DMAE_CMD_PORT_0) |
3072 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3073 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3074 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3075 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3076 sizeof(struct dmae_command) *
3077 (loader_idx + 1)) >> 2;
3078 dmae->dst_addr_hi = 0;
3079 dmae->len = sizeof(struct dmae_command) >> 2;
3080 if (CHIP_IS_E1(bp))
3081 dmae->len--;
3082 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3083 dmae->comp_addr_hi = 0;
3084 dmae->comp_val = 1;
3085
3086 *stats_comp = 0;
3087 bnx2x_post_dmae(bp, dmae, loader_idx);
3088
3089 } else if (bp->func_stx) {
3090 *stats_comp = 0;
3091 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3092 }
3093 }
3094
3095 static int bnx2x_stats_comp(struct bnx2x *bp)
3096 {
3097 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3098 int cnt = 10;
3099
3100 might_sleep();
3101 while (*stats_comp != DMAE_COMP_VAL) {
3102 if (!cnt) {
3103 BNX2X_ERR("timeout waiting for stats finished\n");
3104 break;
3105 }
3106 cnt--;
3107 msleep(1);
3108 }
3109 return 1;
3110 }
3111
3112 /*
3113 * Statistics service functions
3114 */
3115
3116 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3117 {
3118 struct dmae_command *dmae;
3119 u32 opcode;
3120 int loader_idx = PMF_DMAE_C(bp);
3121 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3122
3123 /* sanity */
3124 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3125 BNX2X_ERR("BUG!\n");
3126 return;
3127 }
3128
3129 bp->executer_idx = 0;
3130
3131 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3132 DMAE_CMD_C_ENABLE |
3133 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3134 #ifdef __BIG_ENDIAN
3135 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3136 #else
3137 DMAE_CMD_ENDIANITY_DW_SWAP |
3138 #endif
3139 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3140 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3141
3142 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3143 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3144 dmae->src_addr_lo = bp->port.port_stx >> 2;
3145 dmae->src_addr_hi = 0;
3146 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3147 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3148 dmae->len = DMAE_LEN32_RD_MAX;
3149 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3150 dmae->comp_addr_hi = 0;
3151 dmae->comp_val = 1;
3152
3153 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3154 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3155 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3156 dmae->src_addr_hi = 0;
3157 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3158 DMAE_LEN32_RD_MAX * 4);
3159 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3160 DMAE_LEN32_RD_MAX * 4);
3161 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3162 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3163 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3164 dmae->comp_val = DMAE_COMP_VAL;
3165
3166 *stats_comp = 0;
3167 bnx2x_hw_stats_post(bp);
3168 bnx2x_stats_comp(bp);
3169 }
3170
3171 static void bnx2x_port_stats_init(struct bnx2x *bp)
3172 {
3173 struct dmae_command *dmae;
3174 int port = BP_PORT(bp);
3175 int vn = BP_E1HVN(bp);
3176 u32 opcode;
3177 int loader_idx = PMF_DMAE_C(bp);
3178 u32 mac_addr;
3179 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3180
3181 /* sanity */
3182 if (!bp->link_vars.link_up || !bp->port.pmf) {
3183 BNX2X_ERR("BUG!\n");
3184 return;
3185 }
3186
3187 bp->executer_idx = 0;
3188
3189 /* MCP */
3190 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3191 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3192 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3193 #ifdef __BIG_ENDIAN
3194 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3195 #else
3196 DMAE_CMD_ENDIANITY_DW_SWAP |
3197 #endif
3198 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3199 (vn << DMAE_CMD_E1HVN_SHIFT));
3200
3201 if (bp->port.port_stx) {
3202
3203 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3204 dmae->opcode = opcode;
3205 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3206 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3207 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3208 dmae->dst_addr_hi = 0;
3209 dmae->len = sizeof(struct host_port_stats) >> 2;
3210 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3211 dmae->comp_addr_hi = 0;
3212 dmae->comp_val = 1;
3213 }
3214
3215 if (bp->func_stx) {
3216
3217 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3218 dmae->opcode = opcode;
3219 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3220 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3221 dmae->dst_addr_lo = bp->func_stx >> 2;
3222 dmae->dst_addr_hi = 0;
3223 dmae->len = sizeof(struct host_func_stats) >> 2;
3224 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3225 dmae->comp_addr_hi = 0;
3226 dmae->comp_val = 1;
3227 }
3228
3229 /* MAC */
3230 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3231 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3232 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3233 #ifdef __BIG_ENDIAN
3234 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3235 #else
3236 DMAE_CMD_ENDIANITY_DW_SWAP |
3237 #endif
3238 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3239 (vn << DMAE_CMD_E1HVN_SHIFT));
3240
3241 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
3242
3243 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3244 NIG_REG_INGRESS_BMAC0_MEM);
3245
3246 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3247 BIGMAC_REGISTER_TX_STAT_GTBYT */
3248 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3249 dmae->opcode = opcode;
3250 dmae->src_addr_lo = (mac_addr +
3251 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3252 dmae->src_addr_hi = 0;
3253 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3254 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3255 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3256 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3257 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3258 dmae->comp_addr_hi = 0;
3259 dmae->comp_val = 1;
3260
3261 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3262 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3263 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3264 dmae->opcode = opcode;
3265 dmae->src_addr_lo = (mac_addr +
3266 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3267 dmae->src_addr_hi = 0;
3268 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3269 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3270 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3271 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3272 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3273 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3274 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3275 dmae->comp_addr_hi = 0;
3276 dmae->comp_val = 1;
3277
3278 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
3279
3280 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3281
3282 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3283 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3284 dmae->opcode = opcode;
3285 dmae->src_addr_lo = (mac_addr +
3286 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3287 dmae->src_addr_hi = 0;
3288 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3289 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3290 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3291 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3292 dmae->comp_addr_hi = 0;
3293 dmae->comp_val = 1;
3294
3295 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3296 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3297 dmae->opcode = opcode;
3298 dmae->src_addr_lo = (mac_addr +
3299 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3300 dmae->src_addr_hi = 0;
3301 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3302 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3303 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3304 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3305 dmae->len = 1;
3306 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3307 dmae->comp_addr_hi = 0;
3308 dmae->comp_val = 1;
3309
3310 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3311 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3312 dmae->opcode = opcode;
3313 dmae->src_addr_lo = (mac_addr +
3314 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3315 dmae->src_addr_hi = 0;
3316 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3317 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3318 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3319 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3320 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3321 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3322 dmae->comp_addr_hi = 0;
3323 dmae->comp_val = 1;
3324 }
3325
3326 /* NIG */
3327 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3328 dmae->opcode = opcode;
3329 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3330 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3331 dmae->src_addr_hi = 0;
3332 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3333 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3334 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3335 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3336 dmae->comp_addr_hi = 0;
3337 dmae->comp_val = 1;
3338
3339 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3340 dmae->opcode = opcode;
3341 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3342 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3343 dmae->src_addr_hi = 0;
3344 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3345 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3346 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3347 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3348 dmae->len = (2*sizeof(u32)) >> 2;
3349 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3350 dmae->comp_addr_hi = 0;
3351 dmae->comp_val = 1;
3352
3353 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3354 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3355 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3356 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3357 #ifdef __BIG_ENDIAN
3358 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3359 #else
3360 DMAE_CMD_ENDIANITY_DW_SWAP |
3361 #endif
3362 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3363 (vn << DMAE_CMD_E1HVN_SHIFT));
3364 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3365 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
3366 dmae->src_addr_hi = 0;
3367 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3368 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3369 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3370 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3371 dmae->len = (2*sizeof(u32)) >> 2;
3372 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3373 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3374 dmae->comp_val = DMAE_COMP_VAL;
3375
3376 *stats_comp = 0;
3377 }
3378
3379 static void bnx2x_func_stats_init(struct bnx2x *bp)
3380 {
3381 struct dmae_command *dmae = &bp->stats_dmae;
3382 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3383
3384 /* sanity */
3385 if (!bp->func_stx) {
3386 BNX2X_ERR("BUG!\n");
3387 return;
3388 }
3389
3390 bp->executer_idx = 0;
3391 memset(dmae, 0, sizeof(struct dmae_command));
3392
3393 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3394 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3395 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3396 #ifdef __BIG_ENDIAN
3397 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3398 #else
3399 DMAE_CMD_ENDIANITY_DW_SWAP |
3400 #endif
3401 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3402 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3403 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3404 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3405 dmae->dst_addr_lo = bp->func_stx >> 2;
3406 dmae->dst_addr_hi = 0;
3407 dmae->len = sizeof(struct host_func_stats) >> 2;
3408 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3409 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3410 dmae->comp_val = DMAE_COMP_VAL;
3411
3412 *stats_comp = 0;
3413 }
3414
3415 static void bnx2x_stats_start(struct bnx2x *bp)
3416 {
3417 if (bp->port.pmf)
3418 bnx2x_port_stats_init(bp);
3419
3420 else if (bp->func_stx)
3421 bnx2x_func_stats_init(bp);
3422
3423 bnx2x_hw_stats_post(bp);
3424 bnx2x_storm_stats_post(bp);
3425 }
3426
3427 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
3428 {
3429 bnx2x_stats_comp(bp);
3430 bnx2x_stats_pmf_update(bp);
3431 bnx2x_stats_start(bp);
3432 }
3433
3434 static void bnx2x_stats_restart(struct bnx2x *bp)
3435 {
3436 bnx2x_stats_comp(bp);
3437 bnx2x_stats_start(bp);
3438 }
3439
3440 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3441 {
3442 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3443 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3444 struct regpair diff;
3445
3446 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3447 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3448 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3449 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3450 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3451 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
3452 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
3453 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3454 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3455 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3456 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3457 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3458 UPDATE_STAT64(tx_stat_gt127,
3459 tx_stat_etherstatspkts65octetsto127octets);
3460 UPDATE_STAT64(tx_stat_gt255,
3461 tx_stat_etherstatspkts128octetsto255octets);
3462 UPDATE_STAT64(tx_stat_gt511,
3463 tx_stat_etherstatspkts256octetsto511octets);
3464 UPDATE_STAT64(tx_stat_gt1023,
3465 tx_stat_etherstatspkts512octetsto1023octets);
3466 UPDATE_STAT64(tx_stat_gt1518,
3467 tx_stat_etherstatspkts1024octetsto1522octets);
3468 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3469 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3470 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3471 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3472 UPDATE_STAT64(tx_stat_gterr,
3473 tx_stat_dot3statsinternalmactransmiterrors);
3474 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3475 }
3476
3477 static void bnx2x_emac_stats_update(struct bnx2x *bp)
3478 {
3479 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3480 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3481
3482 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3483 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3484 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3485 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3486 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3487 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3488 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3489 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3490 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3491 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3492 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3493 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3494 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3495 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3496 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3497 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3498 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3499 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3500 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3501 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3502 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3503 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3504 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3505 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3506 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3507 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3508 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3509 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3510 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3511 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3512 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3513 }
3514
3515 static int bnx2x_hw_stats_update(struct bnx2x *bp)
3516 {
3517 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3518 struct nig_stats *old = &(bp->port.old_nig_stats);
3519 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3520 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3521 struct regpair diff;
3522
3523 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3524 bnx2x_bmac_stats_update(bp);
3525
3526 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3527 bnx2x_emac_stats_update(bp);
3528
3529 else { /* unreached */
3530 BNX2X_ERR("stats updated by dmae but no MAC active\n");
3531 return -1;
3532 }
3533
3534 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3535 new->brb_discard - old->brb_discard);
3536 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3537 new->brb_truncate - old->brb_truncate);
3538
3539 UPDATE_STAT64_NIG(egress_mac_pkt0,
3540 etherstatspkts1024octetsto1522octets);
3541 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
3542
3543 memcpy(old, new, sizeof(struct nig_stats));
3544
3545 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3546 sizeof(struct mac_stx));
3547 estats->brb_drop_hi = pstats->brb_drop_hi;
3548 estats->brb_drop_lo = pstats->brb_drop_lo;
3549
3550 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
3551
3552 return 0;
3553 }
3554
3555 static int bnx2x_storm_stats_update(struct bnx2x *bp)
3556 {
3557 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3558 int cl_id = BP_CL_ID(bp);
3559 struct tstorm_per_port_stats *tport =
3560 &stats->tstorm_common.port_statistics;
3561 struct tstorm_per_client_stats *tclient =
3562 &stats->tstorm_common.client_statistics[cl_id];
3563 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3564 struct xstorm_per_client_stats *xclient =
3565 &stats->xstorm_common.client_statistics[cl_id];
3566 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3567 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3568 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3569 u32 diff;
3570
3571 /* are storm stats valid? */
3572 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3573 bp->stats_counter) {
3574 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3575 " tstorm counter (%d) != stats_counter (%d)\n",
3576 tclient->stats_counter, bp->stats_counter);
3577 return -1;
3578 }
3579 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3580 bp->stats_counter) {
3581 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3582 " xstorm counter (%d) != stats_counter (%d)\n",
3583 xclient->stats_counter, bp->stats_counter);
3584 return -2;
3585 }
3586
3587 fstats->total_bytes_received_hi =
3588 fstats->valid_bytes_received_hi =
3589 le32_to_cpu(tclient->total_rcv_bytes.hi);
3590 fstats->total_bytes_received_lo =
3591 fstats->valid_bytes_received_lo =
3592 le32_to_cpu(tclient->total_rcv_bytes.lo);
3593
3594 estats->error_bytes_received_hi =
3595 le32_to_cpu(tclient->rcv_error_bytes.hi);
3596 estats->error_bytes_received_lo =
3597 le32_to_cpu(tclient->rcv_error_bytes.lo);
3598 ADD_64(estats->error_bytes_received_hi,
3599 estats->rx_stat_ifhcinbadoctets_hi,
3600 estats->error_bytes_received_lo,
3601 estats->rx_stat_ifhcinbadoctets_lo);
3602
3603 ADD_64(fstats->total_bytes_received_hi,
3604 estats->error_bytes_received_hi,
3605 fstats->total_bytes_received_lo,
3606 estats->error_bytes_received_lo);
3607
3608 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3609 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3610 total_multicast_packets_received);
3611 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3612 total_broadcast_packets_received);
3613
3614 fstats->total_bytes_transmitted_hi =
3615 le32_to_cpu(xclient->total_sent_bytes.hi);
3616 fstats->total_bytes_transmitted_lo =
3617 le32_to_cpu(xclient->total_sent_bytes.lo);
3618
3619 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3620 total_unicast_packets_transmitted);
3621 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3622 total_multicast_packets_transmitted);
3623 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3624 total_broadcast_packets_transmitted);
3625
3626 memcpy(estats, &(fstats->total_bytes_received_hi),
3627 sizeof(struct host_func_stats) - 2*sizeof(u32));
3628
3629 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3630 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3631 estats->brb_truncate_discard =
3632 le32_to_cpu(tport->brb_truncate_discard);
3633 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3634
3635 old_tclient->rcv_unicast_bytes.hi =
3636 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3637 old_tclient->rcv_unicast_bytes.lo =
3638 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3639 old_tclient->rcv_broadcast_bytes.hi =
3640 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3641 old_tclient->rcv_broadcast_bytes.lo =
3642 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3643 old_tclient->rcv_multicast_bytes.hi =
3644 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3645 old_tclient->rcv_multicast_bytes.lo =
3646 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3647 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3648
3649 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3650 old_tclient->packets_too_big_discard =
3651 le32_to_cpu(tclient->packets_too_big_discard);
3652 estats->no_buff_discard =
3653 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3654 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3655
3656 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3657 old_xclient->unicast_bytes_sent.hi =
3658 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3659 old_xclient->unicast_bytes_sent.lo =
3660 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3661 old_xclient->multicast_bytes_sent.hi =
3662 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3663 old_xclient->multicast_bytes_sent.lo =
3664 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3665 old_xclient->broadcast_bytes_sent.hi =
3666 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3667 old_xclient->broadcast_bytes_sent.lo =
3668 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3669
3670 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3671
3672 return 0;
3673 }
3674
3675 static void bnx2x_net_stats_update(struct bnx2x *bp)
3676 {
3677 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3678 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3679 struct net_device_stats *nstats = &bp->dev->stats;
3680
3681 nstats->rx_packets =
3682 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3683 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3684 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3685
3686 nstats->tx_packets =
3687 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3688 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3689 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3690
3691 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
3692
3693 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
3694
3695 nstats->rx_dropped = old_tclient->checksum_discard +
3696 estats->mac_discard;
3697 nstats->tx_dropped = 0;
3698
3699 nstats->multicast =
3700 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3701
3702 nstats->collisions =
3703 estats->tx_stat_dot3statssinglecollisionframes_lo +
3704 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3705 estats->tx_stat_dot3statslatecollisions_lo +
3706 estats->tx_stat_dot3statsexcessivecollisions_lo;
3707
3708 estats->jabber_packets_received =
3709 old_tclient->packets_too_big_discard +
3710 estats->rx_stat_dot3statsframestoolong_lo;
3711
3712 nstats->rx_length_errors =
3713 estats->rx_stat_etherstatsundersizepkts_lo +
3714 estats->jabber_packets_received;
3715 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
3716 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3717 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3718 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
3719 nstats->rx_missed_errors = estats->xxoverflow_discard;
3720
3721 nstats->rx_errors = nstats->rx_length_errors +
3722 nstats->rx_over_errors +
3723 nstats->rx_crc_errors +
3724 nstats->rx_frame_errors +
3725 nstats->rx_fifo_errors +
3726 nstats->rx_missed_errors;
3727
3728 nstats->tx_aborted_errors =
3729 estats->tx_stat_dot3statslatecollisions_lo +
3730 estats->tx_stat_dot3statsexcessivecollisions_lo;
3731 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
3732 nstats->tx_fifo_errors = 0;
3733 nstats->tx_heartbeat_errors = 0;
3734 nstats->tx_window_errors = 0;
3735
3736 nstats->tx_errors = nstats->tx_aborted_errors +
3737 nstats->tx_carrier_errors;
3738 }
3739
3740 static void bnx2x_stats_update(struct bnx2x *bp)
3741 {
3742 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3743 int update = 0;
3744
3745 if (*stats_comp != DMAE_COMP_VAL)
3746 return;
3747
3748 if (bp->port.pmf)
3749 update = (bnx2x_hw_stats_update(bp) == 0);
3750
3751 update |= (bnx2x_storm_stats_update(bp) == 0);
3752
3753 if (update)
3754 bnx2x_net_stats_update(bp);
3755
3756 else {
3757 if (bp->stats_pending) {
3758 bp->stats_pending++;
3759 if (bp->stats_pending == 3) {
3760 BNX2X_ERR("stats not updated for 3 times\n");
3761 bnx2x_panic();
3762 return;
3763 }
3764 }
3765 }
3766
3767 if (bp->msglevel & NETIF_MSG_TIMER) {
3768 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3769 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3770 struct net_device_stats *nstats = &bp->dev->stats;
3771 int i;
3772
3773 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3774 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3775 " tx pkt (%lx)\n",
3776 bnx2x_tx_avail(bp->fp),
3777 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
3778 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3779 " rx pkt (%lx)\n",
3780 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3781 bp->fp->rx_comp_cons),
3782 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
3783 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
3784 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
3785 estats->driver_xoff, estats->brb_drop_lo);
3786 printk(KERN_DEBUG "tstats: checksum_discard %u "
3787 "packets_too_big_discard %u no_buff_discard %u "
3788 "mac_discard %u mac_filter_discard %u "
3789 "xxovrflow_discard %u brb_truncate_discard %u "
3790 "ttl0_discard %u\n",
3791 old_tclient->checksum_discard,
3792 old_tclient->packets_too_big_discard,
3793 old_tclient->no_buff_discard, estats->mac_discard,
3794 estats->mac_filter_discard, estats->xxoverflow_discard,
3795 estats->brb_truncate_discard,
3796 old_tclient->ttl0_discard);
3797
3798 for_each_queue(bp, i) {
3799 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3800 bnx2x_fp(bp, i, tx_pkt),
3801 bnx2x_fp(bp, i, rx_pkt),
3802 bnx2x_fp(bp, i, rx_calls));
3803 }
3804 }
3805
3806 bnx2x_hw_stats_post(bp);
3807 bnx2x_storm_stats_post(bp);
3808 }
3809
3810 static void bnx2x_port_stats_stop(struct bnx2x *bp)
3811 {
3812 struct dmae_command *dmae;
3813 u32 opcode;
3814 int loader_idx = PMF_DMAE_C(bp);
3815 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3816
3817 bp->executer_idx = 0;
3818
3819 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3820 DMAE_CMD_C_ENABLE |
3821 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3822 #ifdef __BIG_ENDIAN
3823 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3824 #else
3825 DMAE_CMD_ENDIANITY_DW_SWAP |
3826 #endif
3827 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3828 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3829
3830 if (bp->port.port_stx) {
3831
3832 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3833 if (bp->func_stx)
3834 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3835 else
3836 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3837 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3838 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3839 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3840 dmae->dst_addr_hi = 0;
3841 dmae->len = sizeof(struct host_port_stats) >> 2;
3842 if (bp->func_stx) {
3843 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3844 dmae->comp_addr_hi = 0;
3845 dmae->comp_val = 1;
3846 } else {
3847 dmae->comp_addr_lo =
3848 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3849 dmae->comp_addr_hi =
3850 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3851 dmae->comp_val = DMAE_COMP_VAL;
3852
3853 *stats_comp = 0;
3854 }
3855 }
3856
3857 if (bp->func_stx) {
3858
3859 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3860 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3861 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3862 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3863 dmae->dst_addr_lo = bp->func_stx >> 2;
3864 dmae->dst_addr_hi = 0;
3865 dmae->len = sizeof(struct host_func_stats) >> 2;
3866 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3867 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3868 dmae->comp_val = DMAE_COMP_VAL;
3869
3870 *stats_comp = 0;
3871 }
3872 }
3873
3874 static void bnx2x_stats_stop(struct bnx2x *bp)
3875 {
3876 int update = 0;
3877
3878 bnx2x_stats_comp(bp);
3879
3880 if (bp->port.pmf)
3881 update = (bnx2x_hw_stats_update(bp) == 0);
3882
3883 update |= (bnx2x_storm_stats_update(bp) == 0);
3884
3885 if (update) {
3886 bnx2x_net_stats_update(bp);
3887
3888 if (bp->port.pmf)
3889 bnx2x_port_stats_stop(bp);
3890
3891 bnx2x_hw_stats_post(bp);
3892 bnx2x_stats_comp(bp);
3893 }
3894 }
3895
3896 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3897 {
3898 }
3899
3900 static const struct {
3901 void (*action)(struct bnx2x *bp);
3902 enum bnx2x_stats_state next_state;
3903 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3904 /* state event */
3905 {
3906 /* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3907 /* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3908 /* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3909 /* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3910 },
3911 {
3912 /* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3913 /* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3914 /* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3915 /* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3916 }
3917 };
3918
3919 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3920 {
3921 enum bnx2x_stats_state state = bp->stats_state;
3922
3923 bnx2x_stats_stm[state][event].action(bp);
3924 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3925
3926 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3927 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3928 state, event, bp->stats_state);
3929 }
3930
3931 static void bnx2x_timer(unsigned long data)
3932 {
3933 struct bnx2x *bp = (struct bnx2x *) data;
3934
3935 if (!netif_running(bp->dev))
3936 return;
3937
3938 if (atomic_read(&bp->intr_sem) != 0)
3939 goto timer_restart;
3940
3941 if (poll) {
3942 struct bnx2x_fastpath *fp = &bp->fp[0];
3943 int rc;
3944
3945 bnx2x_tx_int(fp, 1000);
3946 rc = bnx2x_rx_int(fp, 1000);
3947 }
3948
3949 if (!BP_NOMCP(bp)) {
3950 int func = BP_FUNC(bp);
3951 u32 drv_pulse;
3952 u32 mcp_pulse;
3953
3954 ++bp->fw_drv_pulse_wr_seq;
3955 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3956 /* TBD - add SYSTEM_TIME */
3957 drv_pulse = bp->fw_drv_pulse_wr_seq;
3958 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
3959
3960 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
3961 MCP_PULSE_SEQ_MASK);
3962 /* The delta between driver pulse and mcp response
3963 * should be 1 (before mcp response) or 0 (after mcp response)
3964 */
3965 if ((drv_pulse != mcp_pulse) &&
3966 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3967 /* someone lost a heartbeat... */
3968 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3969 drv_pulse, mcp_pulse);
3970 }
3971 }
3972
3973 if ((bp->state == BNX2X_STATE_OPEN) ||
3974 (bp->state == BNX2X_STATE_DISABLED))
3975 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
3976
3977 timer_restart:
3978 mod_timer(&bp->timer, jiffies + bp->current_interval);
3979 }
3980
3981 /* end of Statistics */
3982
3983 /* nic init */
3984
3985 /*
3986 * nic init service functions
3987 */
3988
3989 static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
3990 {
3991 int port = BP_PORT(bp);
3992
3993 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3994 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3995 sizeof(struct ustorm_status_block)/4);
3996 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3997 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3998 sizeof(struct cstorm_status_block)/4);
3999 }
4000
4001 static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4002 dma_addr_t mapping, int sb_id)
4003 {
4004 int port = BP_PORT(bp);
4005 int func = BP_FUNC(bp);
4006 int index;
4007 u64 section;
4008
4009 /* USTORM */
4010 section = ((u64)mapping) + offsetof(struct host_status_block,
4011 u_status_block);
4012 sb->u_status_block.status_block_id = sb_id;
4013
4014 REG_WR(bp, BAR_USTRORM_INTMEM +
4015 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4016 REG_WR(bp, BAR_USTRORM_INTMEM +
4017 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4018 U64_HI(section));
4019 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4020 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4021
4022 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4023 REG_WR16(bp, BAR_USTRORM_INTMEM +
4024 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4025
4026 /* CSTORM */
4027 section = ((u64)mapping) + offsetof(struct host_status_block,
4028 c_status_block);
4029 sb->c_status_block.status_block_id = sb_id;
4030
4031 REG_WR(bp, BAR_CSTRORM_INTMEM +
4032 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4033 REG_WR(bp, BAR_CSTRORM_INTMEM +
4034 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4035 U64_HI(section));
4036 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4037 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4038
4039 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4040 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4041 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4042
4043 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4044 }
4045
4046 static void bnx2x_zero_def_sb(struct bnx2x *bp)
4047 {
4048 int func = BP_FUNC(bp);
4049
4050 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4051 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4052 sizeof(struct ustorm_def_status_block)/4);
4053 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4054 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4055 sizeof(struct cstorm_def_status_block)/4);
4056 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4057 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4058 sizeof(struct xstorm_def_status_block)/4);
4059 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4060 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4061 sizeof(struct tstorm_def_status_block)/4);
4062 }
4063
4064 static void bnx2x_init_def_sb(struct bnx2x *bp,
4065 struct host_def_status_block *def_sb,
4066 dma_addr_t mapping, int sb_id)
4067 {
4068 int port = BP_PORT(bp);
4069 int func = BP_FUNC(bp);
4070 int index, val, reg_offset;
4071 u64 section;
4072
4073 /* ATTN */
4074 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4075 atten_status_block);
4076 def_sb->atten_status_block.status_block_id = sb_id;
4077
4078 bp->attn_state = 0;
4079
4080 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4081 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4082
4083 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4084 bp->attn_group[index].sig[0] = REG_RD(bp,
4085 reg_offset + 0x10*index);
4086 bp->attn_group[index].sig[1] = REG_RD(bp,
4087 reg_offset + 0x4 + 0x10*index);
4088 bp->attn_group[index].sig[2] = REG_RD(bp,
4089 reg_offset + 0x8 + 0x10*index);
4090 bp->attn_group[index].sig[3] = REG_RD(bp,
4091 reg_offset + 0xc + 0x10*index);
4092 }
4093
4094 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4095 HC_REG_ATTN_MSG0_ADDR_L);
4096
4097 REG_WR(bp, reg_offset, U64_LO(section));
4098 REG_WR(bp, reg_offset + 4, U64_HI(section));
4099
4100 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4101
4102 val = REG_RD(bp, reg_offset);
4103 val |= sb_id;
4104 REG_WR(bp, reg_offset, val);
4105
4106 /* USTORM */
4107 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4108 u_def_status_block);
4109 def_sb->u_def_status_block.status_block_id = sb_id;
4110
4111 REG_WR(bp, BAR_USTRORM_INTMEM +
4112 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4113 REG_WR(bp, BAR_USTRORM_INTMEM +
4114 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4115 U64_HI(section));
4116 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4117 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4118
4119 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4120 REG_WR16(bp, BAR_USTRORM_INTMEM +
4121 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4122
4123 /* CSTORM */
4124 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4125 c_def_status_block);
4126 def_sb->c_def_status_block.status_block_id = sb_id;
4127
4128 REG_WR(bp, BAR_CSTRORM_INTMEM +
4129 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4130 REG_WR(bp, BAR_CSTRORM_INTMEM +
4131 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4132 U64_HI(section));
4133 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4134 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4135
4136 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4137 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4138 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4139
4140 /* TSTORM */
4141 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4142 t_def_status_block);
4143 def_sb->t_def_status_block.status_block_id = sb_id;
4144
4145 REG_WR(bp, BAR_TSTRORM_INTMEM +
4146 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4147 REG_WR(bp, BAR_TSTRORM_INTMEM +
4148 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4149 U64_HI(section));
4150 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4151 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4152
4153 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4154 REG_WR16(bp, BAR_TSTRORM_INTMEM +
4155 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4156
4157 /* XSTORM */
4158 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4159 x_def_status_block);
4160 def_sb->x_def_status_block.status_block_id = sb_id;
4161
4162 REG_WR(bp, BAR_XSTRORM_INTMEM +
4163 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4164 REG_WR(bp, BAR_XSTRORM_INTMEM +
4165 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4166 U64_HI(section));
4167 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4168 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4169
4170 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4171 REG_WR16(bp, BAR_XSTRORM_INTMEM +
4172 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4173
4174 bp->stats_pending = 0;
4175 bp->set_mac_pending = 0;
4176
4177 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4178 }
4179
4180 static void bnx2x_update_coalesce(struct bnx2x *bp)
4181 {
4182 int port = BP_PORT(bp);
4183 int i;
4184
4185 for_each_queue(bp, i) {
4186 int sb_id = bp->fp[i].sb_id;
4187
4188 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4189 REG_WR8(bp, BAR_USTRORM_INTMEM +
4190 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4191 U_SB_ETH_RX_CQ_INDEX),
4192 bp->rx_ticks/12);
4193 REG_WR16(bp, BAR_USTRORM_INTMEM +
4194 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4195 U_SB_ETH_RX_CQ_INDEX),
4196 bp->rx_ticks ? 0 : 1);
4197 REG_WR16(bp, BAR_USTRORM_INTMEM +
4198 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4199 U_SB_ETH_RX_BD_INDEX),
4200 bp->rx_ticks ? 0 : 1);
4201
4202 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4203 REG_WR8(bp, BAR_CSTRORM_INTMEM +
4204 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4205 C_SB_ETH_TX_CQ_INDEX),
4206 bp->tx_ticks/12);
4207 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4208 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4209 C_SB_ETH_TX_CQ_INDEX),
4210 bp->tx_ticks ? 0 : 1);
4211 }
4212 }
4213
4214 static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4215 struct bnx2x_fastpath *fp, int last)
4216 {
4217 int i;
4218
4219 for (i = 0; i < last; i++) {
4220 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4221 struct sk_buff *skb = rx_buf->skb;
4222
4223 if (skb == NULL) {
4224 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4225 continue;
4226 }
4227
4228 if (fp->tpa_state[i] == BNX2X_TPA_START)
4229 pci_unmap_single(bp->pdev,
4230 pci_unmap_addr(rx_buf, mapping),
4231 bp->rx_buf_size,
4232 PCI_DMA_FROMDEVICE);
4233
4234 dev_kfree_skb(skb);
4235 rx_buf->skb = NULL;
4236 }
4237 }
4238
4239 static void bnx2x_init_rx_rings(struct bnx2x *bp)
4240 {
4241 int func = BP_FUNC(bp);
4242 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4243 ETH_MAX_AGGREGATION_QUEUES_E1H;
4244 u16 ring_prod, cqe_ring_prod;
4245 int i, j;
4246
4247 bp->rx_buf_size = bp->dev->mtu;
4248 bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4249 BCM_RX_ETH_PAYLOAD_ALIGN;
4250
4251 if (bp->flags & TPA_ENABLE_FLAG) {
4252 DP(NETIF_MSG_IFUP,
4253 "rx_buf_size %d effective_mtu %d\n",
4254 bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
4255
4256 for_each_queue(bp, j) {
4257 struct bnx2x_fastpath *fp = &bp->fp[j];
4258
4259 for (i = 0; i < max_agg_queues; i++) {
4260 fp->tpa_pool[i].skb =
4261 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4262 if (!fp->tpa_pool[i].skb) {
4263 BNX2X_ERR("Failed to allocate TPA "
4264 "skb pool for queue[%d] - "
4265 "disabling TPA on this "
4266 "queue!\n", j);
4267 bnx2x_free_tpa_pool(bp, fp, i);
4268 fp->disable_tpa = 1;
4269 break;
4270 }
4271 pci_unmap_addr_set((struct sw_rx_bd *)
4272 &bp->fp->tpa_pool[i],
4273 mapping, 0);
4274 fp->tpa_state[i] = BNX2X_TPA_STOP;
4275 }
4276 }
4277 }
4278
4279 for_each_queue(bp, j) {
4280 struct bnx2x_fastpath *fp = &bp->fp[j];
4281
4282 fp->rx_bd_cons = 0;
4283 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4284 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
4285
4286 /* "next page" elements initialization */
4287 /* SGE ring */
4288 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4289 struct eth_rx_sge *sge;
4290
4291 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4292 sge->addr_hi =
4293 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4294 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4295 sge->addr_lo =
4296 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4297 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4298 }
4299
4300 bnx2x_init_sge_ring_bit_mask(fp);
4301
4302 /* RX BD ring */
4303 for (i = 1; i <= NUM_RX_RINGS; i++) {
4304 struct eth_rx_bd *rx_bd;
4305
4306 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4307 rx_bd->addr_hi =
4308 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
4309 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4310 rx_bd->addr_lo =
4311 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4312 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4313 }
4314
4315 /* CQ ring */
4316 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4317 struct eth_rx_cqe_next_page *nextpg;
4318
4319 nextpg = (struct eth_rx_cqe_next_page *)
4320 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4321 nextpg->addr_hi =
4322 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
4323 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4324 nextpg->addr_lo =
4325 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4326 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4327 }
4328
4329 /* Allocate SGEs and initialize the ring elements */
4330 for (i = 0, ring_prod = 0;
4331 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
4332
4333 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4334 BNX2X_ERR("was only able to allocate "
4335 "%d rx sges\n", i);
4336 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4337 /* Cleanup already allocated elements */
4338 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
4339 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
4340 fp->disable_tpa = 1;
4341 ring_prod = 0;
4342 break;
4343 }
4344 ring_prod = NEXT_SGE_IDX(ring_prod);
4345 }
4346 fp->rx_sge_prod = ring_prod;
4347
4348 /* Allocate BDs and initialize BD ring */
4349 fp->rx_comp_cons = 0;
4350 cqe_ring_prod = ring_prod = 0;
4351 for (i = 0; i < bp->rx_ring_size; i++) {
4352 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4353 BNX2X_ERR("was only able to allocate "
4354 "%d rx skbs\n", i);
4355 bp->eth_stats.rx_skb_alloc_failed++;
4356 break;
4357 }
4358 ring_prod = NEXT_RX_IDX(ring_prod);
4359 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
4360 WARN_ON(ring_prod <= i);
4361 }
4362
4363 fp->rx_bd_prod = ring_prod;
4364 /* must not have more available CQEs than BDs */
4365 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4366 cqe_ring_prod);
4367 fp->rx_pkt = fp->rx_calls = 0;
4368
4369 /* Warning!
4370 * this will generate an interrupt (to the TSTORM)
4371 * must only be done after chip is initialized
4372 */
4373 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4374 fp->rx_sge_prod);
4375 if (j != 0)
4376 continue;
4377
4378 REG_WR(bp, BAR_USTRORM_INTMEM +
4379 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
4380 U64_LO(fp->rx_comp_mapping));
4381 REG_WR(bp, BAR_USTRORM_INTMEM +
4382 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
4383 U64_HI(fp->rx_comp_mapping));
4384 }
4385 }
4386
4387 static void bnx2x_init_tx_ring(struct bnx2x *bp)
4388 {
4389 int i, j;
4390
4391 for_each_queue(bp, j) {
4392 struct bnx2x_fastpath *fp = &bp->fp[j];
4393
4394 for (i = 1; i <= NUM_TX_RINGS; i++) {
4395 struct eth_tx_bd *tx_bd =
4396 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4397
4398 tx_bd->addr_hi =
4399 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
4400 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4401 tx_bd->addr_lo =
4402 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4403 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4404 }
4405
4406 fp->tx_pkt_prod = 0;
4407 fp->tx_pkt_cons = 0;
4408 fp->tx_bd_prod = 0;
4409 fp->tx_bd_cons = 0;
4410 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4411 fp->tx_pkt = 0;
4412 }
4413 }
4414
4415 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4416 {
4417 int func = BP_FUNC(bp);
4418
4419 spin_lock_init(&bp->spq_lock);
4420
4421 bp->spq_left = MAX_SPQ_PENDING;
4422 bp->spq_prod_idx = 0;
4423 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4424 bp->spq_prod_bd = bp->spq;
4425 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4426
4427 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
4428 U64_LO(bp->spq_mapping));
4429 REG_WR(bp,
4430 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
4431 U64_HI(bp->spq_mapping));
4432
4433 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
4434 bp->spq_prod_idx);
4435 }
4436
4437 static void bnx2x_init_context(struct bnx2x *bp)
4438 {
4439 int i;
4440
4441 for_each_queue(bp, i) {
4442 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4443 struct bnx2x_fastpath *fp = &bp->fp[i];
4444 u8 sb_id = FP_SB_ID(fp);
4445
4446 context->xstorm_st_context.tx_bd_page_base_hi =
4447 U64_HI(fp->tx_desc_mapping);
4448 context->xstorm_st_context.tx_bd_page_base_lo =
4449 U64_LO(fp->tx_desc_mapping);
4450 context->xstorm_st_context.db_data_addr_hi =
4451 U64_HI(fp->tx_prods_mapping);
4452 context->xstorm_st_context.db_data_addr_lo =
4453 U64_LO(fp->tx_prods_mapping);
4454 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4455 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
4456
4457 context->ustorm_st_context.common.sb_index_numbers =
4458 BNX2X_RX_SB_INDEX_NUM;
4459 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4460 context->ustorm_st_context.common.status_block_id = sb_id;
4461 context->ustorm_st_context.common.flags =
4462 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4463 context->ustorm_st_context.common.mc_alignment_size =
4464 BCM_RX_ETH_PAYLOAD_ALIGN;
4465 context->ustorm_st_context.common.bd_buff_size =
4466 bp->rx_buf_size;
4467 context->ustorm_st_context.common.bd_page_base_hi =
4468 U64_HI(fp->rx_desc_mapping);
4469 context->ustorm_st_context.common.bd_page_base_lo =
4470 U64_LO(fp->rx_desc_mapping);
4471 if (!fp->disable_tpa) {
4472 context->ustorm_st_context.common.flags |=
4473 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4474 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4475 context->ustorm_st_context.common.sge_buff_size =
4476 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4477 context->ustorm_st_context.common.sge_page_base_hi =
4478 U64_HI(fp->rx_sge_mapping);
4479 context->ustorm_st_context.common.sge_page_base_lo =
4480 U64_LO(fp->rx_sge_mapping);
4481 }
4482
4483 context->cstorm_st_context.sb_index_number =
4484 C_SB_ETH_TX_CQ_INDEX;
4485 context->cstorm_st_context.status_block_id = sb_id;
4486
4487 context->xstorm_ag_context.cdu_reserved =
4488 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4489 CDU_REGION_NUMBER_XCM_AG,
4490 ETH_CONNECTION_TYPE);
4491 context->ustorm_ag_context.cdu_usage =
4492 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4493 CDU_REGION_NUMBER_UCM_AG,
4494 ETH_CONNECTION_TYPE);
4495 }
4496 }
4497
4498 static void bnx2x_init_ind_table(struct bnx2x *bp)
4499 {
4500 int port = BP_PORT(bp);
4501 int i;
4502
4503 if (!is_multi(bp))
4504 return;
4505
4506 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
4507 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4508 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4509 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
4510 i % bp->num_queues);
4511
4512 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4513 }
4514
4515 static void bnx2x_set_client_config(struct bnx2x *bp)
4516 {
4517 struct tstorm_eth_client_config tstorm_client = {0};
4518 int port = BP_PORT(bp);
4519 int i;
4520
4521 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
4522 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4523 tstorm_client.config_flags =
4524 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4525 #ifdef BCM_VLAN
4526 if (bp->rx_mode && bp->vlgrp) {
4527 tstorm_client.config_flags |=
4528 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4529 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4530 }
4531 #endif
4532
4533 if (bp->flags & TPA_ENABLE_FLAG) {
4534 tstorm_client.max_sges_for_packet =
4535 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4536 tstorm_client.max_sges_for_packet =
4537 ((tstorm_client.max_sges_for_packet +
4538 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4539 PAGES_PER_SGE_SHIFT;
4540
4541 tstorm_client.config_flags |=
4542 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4543 }
4544
4545 for_each_queue(bp, i) {
4546 REG_WR(bp, BAR_TSTRORM_INTMEM +
4547 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4548 ((u32 *)&tstorm_client)[0]);
4549 REG_WR(bp, BAR_TSTRORM_INTMEM +
4550 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4551 ((u32 *)&tstorm_client)[1]);
4552 }
4553
4554 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4555 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4556 }
4557
4558 static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4559 {
4560 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4561 int mode = bp->rx_mode;
4562 int mask = (1 << BP_L_ID(bp));
4563 int func = BP_FUNC(bp);
4564 int i;
4565
4566 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
4567
4568 switch (mode) {
4569 case BNX2X_RX_MODE_NONE: /* no Rx */
4570 tstorm_mac_filter.ucast_drop_all = mask;
4571 tstorm_mac_filter.mcast_drop_all = mask;
4572 tstorm_mac_filter.bcast_drop_all = mask;
4573 break;
4574 case BNX2X_RX_MODE_NORMAL:
4575 tstorm_mac_filter.bcast_accept_all = mask;
4576 break;
4577 case BNX2X_RX_MODE_ALLMULTI:
4578 tstorm_mac_filter.mcast_accept_all = mask;
4579 tstorm_mac_filter.bcast_accept_all = mask;
4580 break;
4581 case BNX2X_RX_MODE_PROMISC:
4582 tstorm_mac_filter.ucast_accept_all = mask;
4583 tstorm_mac_filter.mcast_accept_all = mask;
4584 tstorm_mac_filter.bcast_accept_all = mask;
4585 break;
4586 default:
4587 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4588 break;
4589 }
4590
4591 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4592 REG_WR(bp, BAR_TSTRORM_INTMEM +
4593 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
4594 ((u32 *)&tstorm_mac_filter)[i]);
4595
4596 /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
4597 ((u32 *)&tstorm_mac_filter)[i]); */
4598 }
4599
4600 if (mode != BNX2X_RX_MODE_NONE)
4601 bnx2x_set_client_config(bp);
4602 }
4603
4604 static void bnx2x_init_internal_common(struct bnx2x *bp)
4605 {
4606 int i;
4607
4608 if (bp->flags & TPA_ENABLE_FLAG) {
4609 struct tstorm_eth_tpa_exist tpa = {0};
4610
4611 tpa.tpa_exist = 1;
4612
4613 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4614 ((u32 *)&tpa)[0]);
4615 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4616 ((u32 *)&tpa)[1]);
4617 }
4618
4619 /* Zero this manually as its initialization is
4620 currently missing in the initTool */
4621 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4622 REG_WR(bp, BAR_USTRORM_INTMEM +
4623 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4624 }
4625
4626 static void bnx2x_init_internal_port(struct bnx2x *bp)
4627 {
4628 int port = BP_PORT(bp);
4629
4630 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4631 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4632 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4633 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4634 }
4635
4636 static void bnx2x_init_internal_func(struct bnx2x *bp)
4637 {
4638 struct tstorm_eth_function_common_config tstorm_config = {0};
4639 struct stats_indication_flags stats_flags = {0};
4640 int port = BP_PORT(bp);
4641 int func = BP_FUNC(bp);
4642 int i;
4643 u16 max_agg_size;
4644
4645 if (is_multi(bp)) {
4646 tstorm_config.config_flags = MULTI_FLAGS;
4647 tstorm_config.rss_result_mask = MULTI_MASK;
4648 }
4649
4650 tstorm_config.leading_client_id = BP_L_ID(bp);
4651
4652 REG_WR(bp, BAR_TSTRORM_INTMEM +
4653 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
4654 (*(u32 *)&tstorm_config));
4655
4656 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
4657 bnx2x_set_storm_rx_mode(bp);
4658
4659 /* reset xstorm per client statistics */
4660 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4661 REG_WR(bp, BAR_XSTRORM_INTMEM +
4662 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4663 i*4, 0);
4664 }
4665 /* reset tstorm per client statistics */
4666 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4667 REG_WR(bp, BAR_TSTRORM_INTMEM +
4668 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4669 i*4, 0);
4670 }
4671
4672 /* Init statistics related context */
4673 stats_flags.collect_eth = 1;
4674
4675 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
4676 ((u32 *)&stats_flags)[0]);
4677 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
4678 ((u32 *)&stats_flags)[1]);
4679
4680 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
4681 ((u32 *)&stats_flags)[0]);
4682 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
4683 ((u32 *)&stats_flags)[1]);
4684
4685 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
4686 ((u32 *)&stats_flags)[0]);
4687 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
4688 ((u32 *)&stats_flags)[1]);
4689
4690 REG_WR(bp, BAR_XSTRORM_INTMEM +
4691 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4692 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4693 REG_WR(bp, BAR_XSTRORM_INTMEM +
4694 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4695 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4696
4697 REG_WR(bp, BAR_TSTRORM_INTMEM +
4698 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4699 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4700 REG_WR(bp, BAR_TSTRORM_INTMEM +
4701 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4702 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4703
4704 if (CHIP_IS_E1H(bp)) {
4705 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4706 IS_E1HMF(bp));
4707 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4708 IS_E1HMF(bp));
4709 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4710 IS_E1HMF(bp));
4711 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4712 IS_E1HMF(bp));
4713
4714 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4715 bp->e1hov);
4716 }
4717
4718 /* Init CQ ring mapping and aggregation size */
4719 max_agg_size = min((u32)(bp->rx_buf_size +
4720 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4721 (u32)0xffff);
4722 for_each_queue(bp, i) {
4723 struct bnx2x_fastpath *fp = &bp->fp[i];
4724
4725 REG_WR(bp, BAR_USTRORM_INTMEM +
4726 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4727 U64_LO(fp->rx_comp_mapping));
4728 REG_WR(bp, BAR_USTRORM_INTMEM +
4729 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4730 U64_HI(fp->rx_comp_mapping));
4731
4732 REG_WR16(bp, BAR_USTRORM_INTMEM +
4733 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4734 max_agg_size);
4735 }
4736 }
4737
4738 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4739 {
4740 switch (load_code) {
4741 case FW_MSG_CODE_DRV_LOAD_COMMON:
4742 bnx2x_init_internal_common(bp);
4743 /* no break */
4744
4745 case FW_MSG_CODE_DRV_LOAD_PORT:
4746 bnx2x_init_internal_port(bp);
4747 /* no break */
4748
4749 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4750 bnx2x_init_internal_func(bp);
4751 break;
4752
4753 default:
4754 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4755 break;
4756 }
4757 }
4758
4759 static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4760 {
4761 int i;
4762
4763 for_each_queue(bp, i) {
4764 struct bnx2x_fastpath *fp = &bp->fp[i];
4765
4766 fp->bp = bp;
4767 fp->state = BNX2X_FP_STATE_CLOSED;
4768 fp->index = i;
4769 fp->cl_id = BP_L_ID(bp) + i;
4770 fp->sb_id = fp->cl_id;
4771 DP(NETIF_MSG_IFUP,
4772 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4773 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4774 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4775 FP_SB_ID(fp));
4776 bnx2x_update_fpsb_idx(fp);
4777 }
4778
4779 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4780 DEF_SB_ID);
4781 bnx2x_update_dsb_idx(bp);
4782 bnx2x_update_coalesce(bp);
4783 bnx2x_init_rx_rings(bp);
4784 bnx2x_init_tx_ring(bp);
4785 bnx2x_init_sp_ring(bp);
4786 bnx2x_init_context(bp);
4787 bnx2x_init_internal(bp, load_code);
4788 bnx2x_init_ind_table(bp);
4789 bnx2x_int_enable(bp);
4790 }
4791
4792 /* end of nic init */
4793
4794 /*
4795 * gzip service functions
4796 */
4797
4798 static int bnx2x_gunzip_init(struct bnx2x *bp)
4799 {
4800 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4801 &bp->gunzip_mapping);
4802 if (bp->gunzip_buf == NULL)
4803 goto gunzip_nomem1;
4804
4805 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4806 if (bp->strm == NULL)
4807 goto gunzip_nomem2;
4808
4809 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4810 GFP_KERNEL);
4811 if (bp->strm->workspace == NULL)
4812 goto gunzip_nomem3;
4813
4814 return 0;
4815
4816 gunzip_nomem3:
4817 kfree(bp->strm);
4818 bp->strm = NULL;
4819
4820 gunzip_nomem2:
4821 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4822 bp->gunzip_mapping);
4823 bp->gunzip_buf = NULL;
4824
4825 gunzip_nomem1:
4826 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
4827 " un-compression\n", bp->dev->name);
4828 return -ENOMEM;
4829 }
4830
4831 static void bnx2x_gunzip_end(struct bnx2x *bp)
4832 {
4833 kfree(bp->strm->workspace);
4834
4835 kfree(bp->strm);
4836 bp->strm = NULL;
4837
4838 if (bp->gunzip_buf) {
4839 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4840 bp->gunzip_mapping);
4841 bp->gunzip_buf = NULL;
4842 }
4843 }
4844
4845 static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4846 {
4847 int n, rc;
4848
4849 /* check gzip header */
4850 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4851 return -EINVAL;
4852
4853 n = 10;
4854
4855 #define FNAME 0x8
4856
4857 if (zbuf[3] & FNAME)
4858 while ((zbuf[n++] != 0) && (n < len));
4859
4860 bp->strm->next_in = zbuf + n;
4861 bp->strm->avail_in = len - n;
4862 bp->strm->next_out = bp->gunzip_buf;
4863 bp->strm->avail_out = FW_BUF_SIZE;
4864
4865 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4866 if (rc != Z_OK)
4867 return rc;
4868
4869 rc = zlib_inflate(bp->strm, Z_FINISH);
4870 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4871 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4872 bp->dev->name, bp->strm->msg);
4873
4874 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4875 if (bp->gunzip_outlen & 0x3)
4876 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4877 " gunzip_outlen (%d) not aligned\n",
4878 bp->dev->name, bp->gunzip_outlen);
4879 bp->gunzip_outlen >>= 2;
4880
4881 zlib_inflateEnd(bp->strm);
4882
4883 if (rc == Z_STREAM_END)
4884 return 0;
4885
4886 return rc;
4887 }
4888
4889 /* nic load/unload */
4890
4891 /*
4892 * General service functions
4893 */
4894
4895 /* send a NIG loopback debug packet */
4896 static void bnx2x_lb_pckt(struct bnx2x *bp)
4897 {
4898 u32 wb_write[3];
4899
4900 /* Ethernet source and destination addresses */
4901 wb_write[0] = 0x55555555;
4902 wb_write[1] = 0x55555555;
4903 wb_write[2] = 0x20; /* SOP */
4904 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4905
4906 /* NON-IP protocol */
4907 wb_write[0] = 0x09000000;
4908 wb_write[1] = 0x55555555;
4909 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
4910 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4911 }
4912
4913 /* some of the internal memories
4914 * are not directly readable from the driver
4915 * to test them we send debug packets
4916 */
4917 static int bnx2x_int_mem_test(struct bnx2x *bp)
4918 {
4919 int factor;
4920 int count, i;
4921 u32 val = 0;
4922
4923 if (CHIP_REV_IS_FPGA(bp))
4924 factor = 120;
4925 else if (CHIP_REV_IS_EMUL(bp))
4926 factor = 200;
4927 else
4928 factor = 1;
4929
4930 DP(NETIF_MSG_HW, "start part1\n");
4931
4932 /* Disable inputs of parser neighbor blocks */
4933 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4934 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4935 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4936 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4937
4938 /* Write 0 to parser credits for CFC search request */
4939 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4940
4941 /* send Ethernet packet */
4942 bnx2x_lb_pckt(bp);
4943
4944 /* TODO do i reset NIG statistic? */
4945 /* Wait until NIG register shows 1 packet of size 0x10 */
4946 count = 1000 * factor;
4947 while (count) {
4948
4949 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4950 val = *bnx2x_sp(bp, wb_data[0]);
4951 if (val == 0x10)
4952 break;
4953
4954 msleep(10);
4955 count--;
4956 }
4957 if (val != 0x10) {
4958 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4959 return -1;
4960 }
4961
4962 /* Wait until PRS register shows 1 packet */
4963 count = 1000 * factor;
4964 while (count) {
4965 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4966 if (val == 1)
4967 break;
4968
4969 msleep(10);
4970 count--;
4971 }
4972 if (val != 0x1) {
4973 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4974 return -2;
4975 }
4976
4977 /* Reset and init BRB, PRS */
4978 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4979 msleep(50);
4980 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4981 msleep(50);
4982 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4983 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4984
4985 DP(NETIF_MSG_HW, "part2\n");
4986
4987 /* Disable inputs of parser neighbor blocks */
4988 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4989 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4990 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4991 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4992
4993 /* Write 0 to parser credits for CFC search request */
4994 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4995
4996 /* send 10 Ethernet packets */
4997 for (i = 0; i < 10; i++)
4998 bnx2x_lb_pckt(bp);
4999
5000 /* Wait until NIG register shows 10 + 1
5001 packets of size 11*0x10 = 0xb0 */
5002 count = 1000 * factor;
5003 while (count) {
5004
5005 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5006 val = *bnx2x_sp(bp, wb_data[0]);
5007 if (val == 0xb0)
5008 break;
5009
5010 msleep(10);
5011 count--;
5012 }
5013 if (val != 0xb0) {
5014 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5015 return -3;
5016 }
5017
5018 /* Wait until PRS register shows 2 packets */
5019 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5020 if (val != 2)
5021 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5022
5023 /* Write 1 to parser credits for CFC search request */
5024 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5025
5026 /* Wait until PRS register shows 3 packets */
5027 msleep(10 * factor);
5028 /* Wait until NIG register shows 1 packet of size 0x10 */
5029 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5030 if (val != 3)
5031 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5032
5033 /* clear NIG EOP FIFO */
5034 for (i = 0; i < 11; i++)
5035 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5036 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5037 if (val != 1) {
5038 BNX2X_ERR("clear of NIG failed\n");
5039 return -4;
5040 }
5041
5042 /* Reset and init BRB, PRS, NIG */
5043 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5044 msleep(50);
5045 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5046 msleep(50);
5047 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5048 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5049 #ifndef BCM_ISCSI
5050 /* set NIC mode */
5051 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5052 #endif
5053
5054 /* Enable inputs of parser neighbor blocks */
5055 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5056 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5057 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5058 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
5059
5060 DP(NETIF_MSG_HW, "done\n");
5061
5062 return 0; /* OK */
5063 }
5064
5065 static void enable_blocks_attention(struct bnx2x *bp)
5066 {
5067 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5068 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5069 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5070 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5071 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5072 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5073 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5074 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5075 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
5076 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5077 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
5078 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5079 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5080 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
5081 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5082 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
5083 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5084 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5085 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5086 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
5087 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5088 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5089 if (CHIP_REV_IS_FPGA(bp))
5090 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5091 else
5092 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
5093 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5094 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5095 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
5096 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5097 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
5098 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5099 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5100 /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5101 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
5102 }
5103
5104
5105 static int bnx2x_init_common(struct bnx2x *bp)
5106 {
5107 u32 val, i;
5108
5109 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5110
5111 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5112 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5113
5114 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5115 if (CHIP_IS_E1H(bp))
5116 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5117
5118 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5119 msleep(30);
5120 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5121
5122 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5123 if (CHIP_IS_E1(bp)) {
5124 /* enable HW interrupt from PXP on USDM overflow
5125 bit 16 on INT_MASK_0 */
5126 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5127 }
5128
5129 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5130 bnx2x_init_pxp(bp);
5131
5132 #ifdef __BIG_ENDIAN
5133 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5134 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5135 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5136 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5137 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5138 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
5139
5140 /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5141 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5142 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5143 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5144 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5145 #endif
5146
5147 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
5148 #ifdef BCM_ISCSI
5149 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5150 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5151 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
5152 #endif
5153
5154 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5155 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5156
5157 /* let the HW do it's magic ... */
5158 msleep(100);
5159 /* finish PXP init */
5160 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5161 if (val != 1) {
5162 BNX2X_ERR("PXP2 CFG failed\n");
5163 return -EBUSY;
5164 }
5165 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5166 if (val != 1) {
5167 BNX2X_ERR("PXP2 RD_INIT failed\n");
5168 return -EBUSY;
5169 }
5170
5171 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5172 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5173
5174 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
5175
5176 /* clean the DMAE memory */
5177 bp->dmae_ready = 1;
5178 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5179
5180 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5181 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5182 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5183 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
5184
5185 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5186 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5187 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5188 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5189
5190 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5191 /* soft reset pulse */
5192 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5193 REG_WR(bp, QM_REG_SOFT_RESET, 0);
5194
5195 #ifdef BCM_ISCSI
5196 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
5197 #endif
5198
5199 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5200 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5201 if (!CHIP_REV_IS_SLOW(bp)) {
5202 /* enable hw interrupt from doorbell Q */
5203 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5204 }
5205
5206 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5207 if (CHIP_REV_IS_SLOW(bp)) {
5208 /* fix for emulation and FPGA for no pause */
5209 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5210 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5211 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5212 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5213 }
5214
5215 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5216 /* set NIC mode */
5217 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5218 if (CHIP_IS_E1H(bp))
5219 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
5220
5221 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5222 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5223 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5224 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
5225
5226 if (CHIP_IS_E1H(bp)) {
5227 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5228 STORM_INTMEM_SIZE_E1H/2);
5229 bnx2x_init_fill(bp,
5230 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5231 0, STORM_INTMEM_SIZE_E1H/2);
5232 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5233 STORM_INTMEM_SIZE_E1H/2);
5234 bnx2x_init_fill(bp,
5235 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5236 0, STORM_INTMEM_SIZE_E1H/2);
5237 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5238 STORM_INTMEM_SIZE_E1H/2);
5239 bnx2x_init_fill(bp,
5240 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5241 0, STORM_INTMEM_SIZE_E1H/2);
5242 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5243 STORM_INTMEM_SIZE_E1H/2);
5244 bnx2x_init_fill(bp,
5245 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5246 0, STORM_INTMEM_SIZE_E1H/2);
5247 } else { /* E1 */
5248 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5249 STORM_INTMEM_SIZE_E1);
5250 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5251 STORM_INTMEM_SIZE_E1);
5252 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5253 STORM_INTMEM_SIZE_E1);
5254 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5255 STORM_INTMEM_SIZE_E1);
5256 }
5257
5258 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5259 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5260 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5261 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
5262
5263 /* sync semi rtc */
5264 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5265 0x80000000);
5266 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5267 0x80000000);
5268
5269 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5270 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5271 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
5272
5273 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5274 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5275 REG_WR(bp, i, 0xc0cac01a);
5276 /* TODO: replace with something meaningful */
5277 }
5278 if (CHIP_IS_E1H(bp))
5279 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5280 REG_WR(bp, SRC_REG_SOFT_RST, 0);
5281
5282 if (sizeof(union cdu_context) != 1024)
5283 /* we currently assume that a context is 1024 bytes */
5284 printk(KERN_ALERT PFX "please adjust the size of"
5285 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
5286
5287 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5288 val = (4 << 24) + (0 << 12) + 1024;
5289 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5290 if (CHIP_IS_E1(bp)) {
5291 /* !!! fix pxp client crdit until excel update */
5292 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5293 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5294 }
5295
5296 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5297 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5298
5299 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5300 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
5301
5302 /* PXPCS COMMON comes here */
5303 /* Reset PCIE errors for debug */
5304 REG_WR(bp, 0x2814, 0xffffffff);
5305 REG_WR(bp, 0x3820, 0xffffffff);
5306
5307 /* EMAC0 COMMON comes here */
5308 /* EMAC1 COMMON comes here */
5309 /* DBU COMMON comes here */
5310 /* DBG COMMON comes here */
5311
5312 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5313 if (CHIP_IS_E1H(bp)) {
5314 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5315 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5316 }
5317
5318 if (CHIP_REV_IS_SLOW(bp))
5319 msleep(200);
5320
5321 /* finish CFC init */
5322 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5323 if (val != 1) {
5324 BNX2X_ERR("CFC LL_INIT failed\n");
5325 return -EBUSY;
5326 }
5327 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5328 if (val != 1) {
5329 BNX2X_ERR("CFC AC_INIT failed\n");
5330 return -EBUSY;
5331 }
5332 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5333 if (val != 1) {
5334 BNX2X_ERR("CFC CAM_INIT failed\n");
5335 return -EBUSY;
5336 }
5337 REG_WR(bp, CFC_REG_DEBUG0, 0);
5338
5339 /* read NIG statistic
5340 to see if this is our first up since powerup */
5341 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5342 val = *bnx2x_sp(bp, wb_data[0]);
5343
5344 /* do internal memory self test */
5345 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5346 BNX2X_ERR("internal mem self test failed\n");
5347 return -EBUSY;
5348 }
5349
5350 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5351 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5352 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5353 /* Fan failure is indicated by SPIO 5 */
5354 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5355 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5356
5357 /* set to active low mode */
5358 val = REG_RD(bp, MISC_REG_SPIO_INT);
5359 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
5360 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5361 REG_WR(bp, MISC_REG_SPIO_INT, val);
5362
5363 /* enable interrupt to signal the IGU */
5364 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5365 val |= (1 << MISC_REGISTERS_SPIO_5);
5366 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5367 break;
5368
5369 default:
5370 break;
5371 }
5372
5373 /* clear PXP2 attentions */
5374 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5375
5376 enable_blocks_attention(bp);
5377
5378 if (!BP_NOMCP(bp)) {
5379 bnx2x_acquire_phy_lock(bp);
5380 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5381 bnx2x_release_phy_lock(bp);
5382 } else
5383 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5384
5385 return 0;
5386 }
5387
5388 static int bnx2x_init_port(struct bnx2x *bp)
5389 {
5390 int port = BP_PORT(bp);
5391 u32 val;
5392
5393 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5394
5395 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5396
5397 /* Port PXP comes here */
5398 /* Port PXP2 comes here */
5399 #ifdef BCM_ISCSI
5400 /* Port0 1
5401 * Port1 385 */
5402 i++;
5403 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5404 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5405 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5406 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5407
5408 /* Port0 2
5409 * Port1 386 */
5410 i++;
5411 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5412 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5413 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5414 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5415
5416 /* Port0 3
5417 * Port1 387 */
5418 i++;
5419 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5420 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5421 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5422 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5423 #endif
5424 /* Port CMs come here */
5425
5426 /* Port QM comes here */
5427 #ifdef BCM_ISCSI
5428 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5429 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5430
5431 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5432 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5433 #endif
5434 /* Port DQ comes here */
5435 /* Port BRB1 comes here */
5436 /* Port PRS comes here */
5437 /* Port TSDM comes here */
5438 /* Port CSDM comes here */
5439 /* Port USDM comes here */
5440 /* Port XSDM comes here */
5441 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5442 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5443 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5444 port ? USEM_PORT1_END : USEM_PORT0_END);
5445 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5446 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5447 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5448 port ? XSEM_PORT1_END : XSEM_PORT0_END);
5449 /* Port UPB comes here */
5450 /* Port XPB comes here */
5451
5452 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5453 port ? PBF_PORT1_END : PBF_PORT0_END);
5454
5455 /* configure PBF to work without PAUSE mtu 9000 */
5456 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5457
5458 /* update threshold */
5459 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5460 /* update init credit */
5461 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5462
5463 /* probe changes */
5464 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5465 msleep(5);
5466 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5467
5468 #ifdef BCM_ISCSI
5469 /* tell the searcher where the T2 table is */
5470 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5471
5472 wb_write[0] = U64_LO(bp->t2_mapping);
5473 wb_write[1] = U64_HI(bp->t2_mapping);
5474 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5475 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5476 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5477 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5478
5479 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5480 /* Port SRCH comes here */
5481 #endif
5482 /* Port CDU comes here */
5483 /* Port CFC comes here */
5484
5485 if (CHIP_IS_E1(bp)) {
5486 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5487 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5488 }
5489 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5490 port ? HC_PORT1_END : HC_PORT0_END);
5491
5492 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
5493 MISC_AEU_PORT0_START,
5494 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5495 /* init aeu_mask_attn_func_0/1:
5496 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5497 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5498 * bits 4-7 are used for "per vn group attention" */
5499 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5500 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5501
5502 /* Port PXPCS comes here */
5503 /* Port EMAC0 comes here */
5504 /* Port EMAC1 comes here */
5505 /* Port DBU comes here */
5506 /* Port DBG comes here */
5507 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5508 port ? NIG_PORT1_END : NIG_PORT0_END);
5509
5510 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5511
5512 if (CHIP_IS_E1H(bp)) {
5513 u32 wsum;
5514 struct cmng_struct_per_port m_cmng_port;
5515 int vn;
5516
5517 /* 0x2 disable e1hov, 0x1 enable */
5518 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5519 (IS_E1HMF(bp) ? 0x1 : 0x2));
5520
5521 /* Init RATE SHAPING and FAIRNESS contexts.
5522 Initialize as if there is 10G link. */
5523 wsum = bnx2x_calc_vn_wsum(bp);
5524 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5525 if (IS_E1HMF(bp))
5526 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5527 bnx2x_init_vn_minmax(bp, 2*vn + port,
5528 wsum, 10000, &m_cmng_port);
5529 }
5530
5531 /* Port MCP comes here */
5532 /* Port DMAE comes here */
5533
5534 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5535 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5536 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5537 /* add SPIO 5 to group 0 */
5538 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5539 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5540 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5541 break;
5542
5543 default:
5544 break;
5545 }
5546
5547 bnx2x__link_reset(bp);
5548
5549 return 0;
5550 }
5551
5552 #define ILT_PER_FUNC (768/2)
5553 #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5554 /* the phys address is shifted right 12 bits and has an added
5555 1=valid bit added to the 53rd bit
5556 then since this is a wide register(TM)
5557 we split it into two 32 bit writes
5558 */
5559 #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5560 #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5561 #define PXP_ONE_ILT(x) (((x) << 10) | x)
5562 #define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5563
5564 #define CNIC_ILT_LINES 0
5565
5566 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5567 {
5568 int reg;
5569
5570 if (CHIP_IS_E1H(bp))
5571 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5572 else /* E1 */
5573 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5574
5575 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5576 }
5577
5578 static int bnx2x_init_func(struct bnx2x *bp)
5579 {
5580 int port = BP_PORT(bp);
5581 int func = BP_FUNC(bp);
5582 int i;
5583
5584 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5585
5586 i = FUNC_ILT_BASE(func);
5587
5588 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5589 if (CHIP_IS_E1H(bp)) {
5590 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5591 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5592 } else /* E1 */
5593 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5594 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5595
5596
5597 if (CHIP_IS_E1H(bp)) {
5598 for (i = 0; i < 9; i++)
5599 bnx2x_init_block(bp,
5600 cm_start[func][i], cm_end[func][i]);
5601
5602 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5603 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5604 }
5605
5606 /* HC init per function */
5607 if (CHIP_IS_E1H(bp)) {
5608 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5609
5610 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5611 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5612 }
5613 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5614
5615 if (CHIP_IS_E1H(bp))
5616 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5617
5618 /* Reset PCIE errors for debug */
5619 REG_WR(bp, 0x2114, 0xffffffff);
5620 REG_WR(bp, 0x2120, 0xffffffff);
5621
5622 return 0;
5623 }
5624
5625 static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5626 {
5627 int i, rc = 0;
5628
5629 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5630 BP_FUNC(bp), load_code);
5631
5632 bp->dmae_ready = 0;
5633 mutex_init(&bp->dmae_mutex);
5634 bnx2x_gunzip_init(bp);
5635
5636 switch (load_code) {
5637 case FW_MSG_CODE_DRV_LOAD_COMMON:
5638 rc = bnx2x_init_common(bp);
5639 if (rc)
5640 goto init_hw_err;
5641 /* no break */
5642
5643 case FW_MSG_CODE_DRV_LOAD_PORT:
5644 bp->dmae_ready = 1;
5645 rc = bnx2x_init_port(bp);
5646 if (rc)
5647 goto init_hw_err;
5648 /* no break */
5649
5650 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5651 bp->dmae_ready = 1;
5652 rc = bnx2x_init_func(bp);
5653 if (rc)
5654 goto init_hw_err;
5655 break;
5656
5657 default:
5658 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5659 break;
5660 }
5661
5662 if (!BP_NOMCP(bp)) {
5663 int func = BP_FUNC(bp);
5664
5665 bp->fw_drv_pulse_wr_seq =
5666 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5667 DRV_PULSE_SEQ_MASK);
5668 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5669 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5670 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5671 } else
5672 bp->func_stx = 0;
5673
5674 /* this needs to be done before gunzip end */
5675 bnx2x_zero_def_sb(bp);
5676 for_each_queue(bp, i)
5677 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5678
5679 init_hw_err:
5680 bnx2x_gunzip_end(bp);
5681
5682 return rc;
5683 }
5684
5685 /* send the MCP a request, block until there is a reply */
5686 static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5687 {
5688 int func = BP_FUNC(bp);
5689 u32 seq = ++bp->fw_seq;
5690 u32 rc = 0;
5691 u32 cnt = 1;
5692 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
5693
5694 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
5695 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
5696
5697 do {
5698 /* let the FW do it's magic ... */
5699 msleep(delay);
5700
5701 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
5702
5703 /* Give the FW up to 2 second (200*10ms) */
5704 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5705
5706 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5707 cnt*delay, rc, seq);
5708
5709 /* is this a reply to our command? */
5710 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5711 rc &= FW_MSG_CODE_MASK;
5712
5713 } else {
5714 /* FW BUG! */
5715 BNX2X_ERR("FW failed to respond!\n");
5716 bnx2x_fw_dump(bp);
5717 rc = 0;
5718 }
5719
5720 return rc;
5721 }
5722
5723 static void bnx2x_free_mem(struct bnx2x *bp)
5724 {
5725
5726 #define BNX2X_PCI_FREE(x, y, size) \
5727 do { \
5728 if (x) { \
5729 pci_free_consistent(bp->pdev, size, x, y); \
5730 x = NULL; \
5731 y = 0; \
5732 } \
5733 } while (0)
5734
5735 #define BNX2X_FREE(x) \
5736 do { \
5737 if (x) { \
5738 vfree(x); \
5739 x = NULL; \
5740 } \
5741 } while (0)
5742
5743 int i;
5744
5745 /* fastpath */
5746 for_each_queue(bp, i) {
5747
5748 /* Status blocks */
5749 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5750 bnx2x_fp(bp, i, status_blk_mapping),
5751 sizeof(struct host_status_block) +
5752 sizeof(struct eth_tx_db_data));
5753
5754 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5755 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5756 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5757 bnx2x_fp(bp, i, tx_desc_mapping),
5758 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5759
5760 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5761 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5762 bnx2x_fp(bp, i, rx_desc_mapping),
5763 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5764
5765 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5766 bnx2x_fp(bp, i, rx_comp_mapping),
5767 sizeof(struct eth_fast_path_rx_cqe) *
5768 NUM_RCQ_BD);
5769
5770 /* SGE ring */
5771 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5772 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5773 bnx2x_fp(bp, i, rx_sge_mapping),
5774 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5775 }
5776 /* end of fastpath */
5777
5778 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5779 sizeof(struct host_def_status_block));
5780
5781 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5782 sizeof(struct bnx2x_slowpath));
5783
5784 #ifdef BCM_ISCSI
5785 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5786 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5787 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5788 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5789 #endif
5790 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
5791
5792 #undef BNX2X_PCI_FREE
5793 #undef BNX2X_KFREE
5794 }
5795
5796 static int bnx2x_alloc_mem(struct bnx2x *bp)
5797 {
5798
5799 #define BNX2X_PCI_ALLOC(x, y, size) \
5800 do { \
5801 x = pci_alloc_consistent(bp->pdev, size, y); \
5802 if (x == NULL) \
5803 goto alloc_mem_err; \
5804 memset(x, 0, size); \
5805 } while (0)
5806
5807 #define BNX2X_ALLOC(x, size) \
5808 do { \
5809 x = vmalloc(size); \
5810 if (x == NULL) \
5811 goto alloc_mem_err; \
5812 memset(x, 0, size); \
5813 } while (0)
5814
5815 int i;
5816
5817 /* fastpath */
5818 for_each_queue(bp, i) {
5819 bnx2x_fp(bp, i, bp) = bp;
5820
5821 /* Status blocks */
5822 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5823 &bnx2x_fp(bp, i, status_blk_mapping),
5824 sizeof(struct host_status_block) +
5825 sizeof(struct eth_tx_db_data));
5826
5827 bnx2x_fp(bp, i, hw_tx_prods) =
5828 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5829
5830 bnx2x_fp(bp, i, tx_prods_mapping) =
5831 bnx2x_fp(bp, i, status_blk_mapping) +
5832 sizeof(struct host_status_block);
5833
5834 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5835 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5836 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5837 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5838 &bnx2x_fp(bp, i, tx_desc_mapping),
5839 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5840
5841 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5842 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5843 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5844 &bnx2x_fp(bp, i, rx_desc_mapping),
5845 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5846
5847 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5848 &bnx2x_fp(bp, i, rx_comp_mapping),
5849 sizeof(struct eth_fast_path_rx_cqe) *
5850 NUM_RCQ_BD);
5851
5852 /* SGE ring */
5853 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5854 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5855 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5856 &bnx2x_fp(bp, i, rx_sge_mapping),
5857 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5858 }
5859 /* end of fastpath */
5860
5861 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5862 sizeof(struct host_def_status_block));
5863
5864 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5865 sizeof(struct bnx2x_slowpath));
5866
5867 #ifdef BCM_ISCSI
5868 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5869
5870 /* Initialize T1 */
5871 for (i = 0; i < 64*1024; i += 64) {
5872 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5873 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5874 }
5875
5876 /* allocate searcher T2 table
5877 we allocate 1/4 of alloc num for T2
5878 (which is not entered into the ILT) */
5879 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5880
5881 /* Initialize T2 */
5882 for (i = 0; i < 16*1024; i += 64)
5883 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5884
5885 /* now fixup the last line in the block to point to the next block */
5886 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5887
5888 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5889 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5890
5891 /* QM queues (128*MAX_CONN) */
5892 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5893 #endif
5894
5895 /* Slow path ring */
5896 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5897
5898 return 0;
5899
5900 alloc_mem_err:
5901 bnx2x_free_mem(bp);
5902 return -ENOMEM;
5903
5904 #undef BNX2X_PCI_ALLOC
5905 #undef BNX2X_ALLOC
5906 }
5907
5908 static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5909 {
5910 int i;
5911
5912 for_each_queue(bp, i) {
5913 struct bnx2x_fastpath *fp = &bp->fp[i];
5914
5915 u16 bd_cons = fp->tx_bd_cons;
5916 u16 sw_prod = fp->tx_pkt_prod;
5917 u16 sw_cons = fp->tx_pkt_cons;
5918
5919 while (sw_cons != sw_prod) {
5920 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5921 sw_cons++;
5922 }
5923 }
5924 }
5925
5926 static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5927 {
5928 int i, j;
5929
5930 for_each_queue(bp, j) {
5931 struct bnx2x_fastpath *fp = &bp->fp[j];
5932
5933 for (i = 0; i < NUM_RX_BD; i++) {
5934 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5935 struct sk_buff *skb = rx_buf->skb;
5936
5937 if (skb == NULL)
5938 continue;
5939
5940 pci_unmap_single(bp->pdev,
5941 pci_unmap_addr(rx_buf, mapping),
5942 bp->rx_buf_size,
5943 PCI_DMA_FROMDEVICE);
5944
5945 rx_buf->skb = NULL;
5946 dev_kfree_skb(skb);
5947 }
5948 if (!fp->disable_tpa)
5949 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5950 ETH_MAX_AGGREGATION_QUEUES_E1 :
5951 ETH_MAX_AGGREGATION_QUEUES_E1H);
5952 }
5953 }
5954
5955 static void bnx2x_free_skbs(struct bnx2x *bp)
5956 {
5957 bnx2x_free_tx_skbs(bp);
5958 bnx2x_free_rx_skbs(bp);
5959 }
5960
5961 static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5962 {
5963 int i, offset = 1;
5964
5965 free_irq(bp->msix_table[0].vector, bp->dev);
5966 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
5967 bp->msix_table[0].vector);
5968
5969 for_each_queue(bp, i) {
5970 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
5971 "state %x\n", i, bp->msix_table[i + offset].vector,
5972 bnx2x_fp(bp, i, state));
5973
5974 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5975 BNX2X_ERR("IRQ of fp #%d being freed while "
5976 "state != closed\n", i);
5977
5978 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
5979 }
5980 }
5981
5982 static void bnx2x_free_irq(struct bnx2x *bp)
5983 {
5984 if (bp->flags & USING_MSIX_FLAG) {
5985 bnx2x_free_msix_irqs(bp);
5986 pci_disable_msix(bp->pdev);
5987 bp->flags &= ~USING_MSIX_FLAG;
5988
5989 } else
5990 free_irq(bp->pdev->irq, bp->dev);
5991 }
5992
5993 static int bnx2x_enable_msix(struct bnx2x *bp)
5994 {
5995 int i, rc, offset;
5996
5997 bp->msix_table[0].entry = 0;
5998 offset = 1;
5999 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
6000
6001 for_each_queue(bp, i) {
6002 int igu_vec = offset + i + BP_L_ID(bp);
6003
6004 bp->msix_table[i + offset].entry = igu_vec;
6005 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6006 "(fastpath #%u)\n", i + offset, igu_vec, i);
6007 }
6008
6009 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6010 bp->num_queues + offset);
6011 if (rc) {
6012 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6013 return -1;
6014 }
6015 bp->flags |= USING_MSIX_FLAG;
6016
6017 return 0;
6018 }
6019
6020 static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6021 {
6022 int i, rc, offset = 1;
6023
6024 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6025 bp->dev->name, bp->dev);
6026 if (rc) {
6027 BNX2X_ERR("request sp irq failed\n");
6028 return -EBUSY;
6029 }
6030
6031 for_each_queue(bp, i) {
6032 rc = request_irq(bp->msix_table[i + offset].vector,
6033 bnx2x_msix_fp_int, 0,
6034 bp->dev->name, &bp->fp[i]);
6035 if (rc) {
6036 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6037 i + offset, -rc);
6038 bnx2x_free_msix_irqs(bp);
6039 return -EBUSY;
6040 }
6041
6042 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
6043 }
6044
6045 return 0;
6046 }
6047
6048 static int bnx2x_req_irq(struct bnx2x *bp)
6049 {
6050 int rc;
6051
6052 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6053 bp->dev->name, bp->dev);
6054 if (!rc)
6055 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6056
6057 return rc;
6058 }
6059
6060 static void bnx2x_napi_enable(struct bnx2x *bp)
6061 {
6062 int i;
6063
6064 for_each_queue(bp, i)
6065 napi_enable(&bnx2x_fp(bp, i, napi));
6066 }
6067
6068 static void bnx2x_napi_disable(struct bnx2x *bp)
6069 {
6070 int i;
6071
6072 for_each_queue(bp, i)
6073 napi_disable(&bnx2x_fp(bp, i, napi));
6074 }
6075
6076 static void bnx2x_netif_start(struct bnx2x *bp)
6077 {
6078 if (atomic_dec_and_test(&bp->intr_sem)) {
6079 if (netif_running(bp->dev)) {
6080 if (bp->state == BNX2X_STATE_OPEN)
6081 netif_wake_queue(bp->dev);
6082 bnx2x_napi_enable(bp);
6083 bnx2x_int_enable(bp);
6084 }
6085 }
6086 }
6087
6088 static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
6089 {
6090 bnx2x_int_disable_sync(bp, disable_hw);
6091 if (netif_running(bp->dev)) {
6092 bnx2x_napi_disable(bp);
6093 netif_tx_disable(bp->dev);
6094 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6095 }
6096 }
6097
6098 /*
6099 * Init service functions
6100 */
6101
6102 static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
6103 {
6104 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6105 int port = BP_PORT(bp);
6106
6107 /* CAM allocation
6108 * unicasts 0-31:port0 32-63:port1
6109 * multicast 64-127:port0 128-191:port1
6110 */
6111 config->hdr.length_6b = 2;
6112 config->hdr.offset = port ? 31 : 0;
6113 config->hdr.client_id = BP_CL_ID(bp);
6114 config->hdr.reserved1 = 0;
6115
6116 /* primary MAC */
6117 config->config_table[0].cam_entry.msb_mac_addr =
6118 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6119 config->config_table[0].cam_entry.middle_mac_addr =
6120 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6121 config->config_table[0].cam_entry.lsb_mac_addr =
6122 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6123 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
6124 if (set)
6125 config->config_table[0].target_table_entry.flags = 0;
6126 else
6127 CAM_INVALIDATE(config->config_table[0]);
6128 config->config_table[0].target_table_entry.client_id = 0;
6129 config->config_table[0].target_table_entry.vlan_id = 0;
6130
6131 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6132 (set ? "setting" : "clearing"),
6133 config->config_table[0].cam_entry.msb_mac_addr,
6134 config->config_table[0].cam_entry.middle_mac_addr,
6135 config->config_table[0].cam_entry.lsb_mac_addr);
6136
6137 /* broadcast */
6138 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6139 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6140 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
6141 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
6142 if (set)
6143 config->config_table[1].target_table_entry.flags =
6144 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6145 else
6146 CAM_INVALIDATE(config->config_table[1]);
6147 config->config_table[1].target_table_entry.client_id = 0;
6148 config->config_table[1].target_table_entry.vlan_id = 0;
6149
6150 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6151 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6152 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6153 }
6154
6155 static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
6156 {
6157 struct mac_configuration_cmd_e1h *config =
6158 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6159
6160 if (set && (bp->state != BNX2X_STATE_OPEN)) {
6161 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6162 return;
6163 }
6164
6165 /* CAM allocation for E1H
6166 * unicasts: by func number
6167 * multicast: 20+FUNC*20, 20 each
6168 */
6169 config->hdr.length_6b = 1;
6170 config->hdr.offset = BP_FUNC(bp);
6171 config->hdr.client_id = BP_CL_ID(bp);
6172 config->hdr.reserved1 = 0;
6173
6174 /* primary MAC */
6175 config->config_table[0].msb_mac_addr =
6176 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6177 config->config_table[0].middle_mac_addr =
6178 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6179 config->config_table[0].lsb_mac_addr =
6180 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6181 config->config_table[0].client_id = BP_L_ID(bp);
6182 config->config_table[0].vlan_id = 0;
6183 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6184 if (set)
6185 config->config_table[0].flags = BP_PORT(bp);
6186 else
6187 config->config_table[0].flags =
6188 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
6189
6190 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6191 (set ? "setting" : "clearing"),
6192 config->config_table[0].msb_mac_addr,
6193 config->config_table[0].middle_mac_addr,
6194 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6195
6196 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6197 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6198 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6199 }
6200
6201 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6202 int *state_p, int poll)
6203 {
6204 /* can take a while if any port is running */
6205 int cnt = 500;
6206
6207 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6208 poll ? "polling" : "waiting", state, idx);
6209
6210 might_sleep();
6211 while (cnt--) {
6212 if (poll) {
6213 bnx2x_rx_int(bp->fp, 10);
6214 /* if index is different from 0
6215 * the reply for some commands will
6216 * be on the non default queue
6217 */
6218 if (idx)
6219 bnx2x_rx_int(&bp->fp[idx], 10);
6220 }
6221
6222 mb(); /* state is changed by bnx2x_sp_event() */
6223 if (*state_p == state)
6224 return 0;
6225
6226 msleep(1);
6227 }
6228
6229 /* timeout! */
6230 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6231 poll ? "polling" : "waiting", state, idx);
6232 #ifdef BNX2X_STOP_ON_ERROR
6233 bnx2x_panic();
6234 #endif
6235
6236 return -EBUSY;
6237 }
6238
6239 static int bnx2x_setup_leading(struct bnx2x *bp)
6240 {
6241 int rc;
6242
6243 /* reset IGU state */
6244 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6245
6246 /* SETUP ramrod */
6247 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6248
6249 /* Wait for completion */
6250 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
6251
6252 return rc;
6253 }
6254
6255 static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6256 {
6257 /* reset IGU state */
6258 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6259
6260 /* SETUP ramrod */
6261 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6262 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6263
6264 /* Wait for completion */
6265 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
6266 &(bp->fp[index].state), 0);
6267 }
6268
6269 static int bnx2x_poll(struct napi_struct *napi, int budget);
6270 static void bnx2x_set_rx_mode(struct net_device *dev);
6271
6272 /* must be called with rtnl_lock */
6273 static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
6274 {
6275 u32 load_code;
6276 int i, rc;
6277 #ifdef BNX2X_STOP_ON_ERROR
6278 if (unlikely(bp->panic))
6279 return -EPERM;
6280 #endif
6281
6282 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6283
6284 /* Send LOAD_REQUEST command to MCP
6285 Returns the type of LOAD command:
6286 if it is the first port to be initialized
6287 common blocks should be initialized, otherwise - not
6288 */
6289 if (!BP_NOMCP(bp)) {
6290 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6291 if (!load_code) {
6292 BNX2X_ERR("MCP response failure, aborting\n");
6293 return -EBUSY;
6294 }
6295 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
6296 return -EBUSY; /* other port in diagnostic mode */
6297
6298 } else {
6299 int port = BP_PORT(bp);
6300
6301 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6302 load_count[0], load_count[1], load_count[2]);
6303 load_count[0]++;
6304 load_count[1 + port]++;
6305 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6306 load_count[0], load_count[1], load_count[2]);
6307 if (load_count[0] == 1)
6308 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6309 else if (load_count[1 + port] == 1)
6310 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6311 else
6312 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
6313 }
6314
6315 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6316 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6317 bp->port.pmf = 1;
6318 else
6319 bp->port.pmf = 0;
6320 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6321
6322 /* if we can't use MSI-X we only need one fp,
6323 * so try to enable MSI-X with the requested number of fp's
6324 * and fallback to inta with one fp
6325 */
6326 if (use_inta) {
6327 bp->num_queues = 1;
6328
6329 } else {
6330 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6331 /* user requested number */
6332 bp->num_queues = use_multi;
6333
6334 else if (use_multi)
6335 bp->num_queues = min_t(u32, num_online_cpus(),
6336 BP_MAX_QUEUES(bp));
6337 else
6338 bp->num_queues = 1;
6339
6340 if (bnx2x_enable_msix(bp)) {
6341 /* failed to enable MSI-X */
6342 bp->num_queues = 1;
6343 if (use_multi)
6344 BNX2X_ERR("Multi requested but failed"
6345 " to enable MSI-X\n");
6346 }
6347 }
6348 DP(NETIF_MSG_IFUP,
6349 "set number of queues to %d\n", bp->num_queues);
6350
6351 if (bnx2x_alloc_mem(bp))
6352 return -ENOMEM;
6353
6354 for_each_queue(bp, i)
6355 bnx2x_fp(bp, i, disable_tpa) =
6356 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6357
6358 if (bp->flags & USING_MSIX_FLAG) {
6359 rc = bnx2x_req_msix_irqs(bp);
6360 if (rc) {
6361 pci_disable_msix(bp->pdev);
6362 goto load_error;
6363 }
6364 } else {
6365 bnx2x_ack_int(bp);
6366 rc = bnx2x_req_irq(bp);
6367 if (rc) {
6368 BNX2X_ERR("IRQ request failed, aborting\n");
6369 goto load_error;
6370 }
6371 }
6372
6373 for_each_queue(bp, i)
6374 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6375 bnx2x_poll, 128);
6376
6377 /* Initialize HW */
6378 rc = bnx2x_init_hw(bp, load_code);
6379 if (rc) {
6380 BNX2X_ERR("HW init failed, aborting\n");
6381 goto load_int_disable;
6382 }
6383
6384 /* Setup NIC internals and enable interrupts */
6385 bnx2x_nic_init(bp, load_code);
6386
6387 /* Send LOAD_DONE command to MCP */
6388 if (!BP_NOMCP(bp)) {
6389 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6390 if (!load_code) {
6391 BNX2X_ERR("MCP response failure, aborting\n");
6392 rc = -EBUSY;
6393 goto load_rings_free;
6394 }
6395 }
6396
6397 bnx2x_stats_init(bp);
6398
6399 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6400
6401 /* Enable Rx interrupt handling before sending the ramrod
6402 as it's completed on Rx FP queue */
6403 bnx2x_napi_enable(bp);
6404
6405 /* Enable interrupt handling */
6406 atomic_set(&bp->intr_sem, 0);
6407
6408 rc = bnx2x_setup_leading(bp);
6409 if (rc) {
6410 BNX2X_ERR("Setup leading failed!\n");
6411 goto load_netif_stop;
6412 }
6413
6414 if (CHIP_IS_E1H(bp))
6415 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6416 BNX2X_ERR("!!! mf_cfg function disabled\n");
6417 bp->state = BNX2X_STATE_DISABLED;
6418 }
6419
6420 if (bp->state == BNX2X_STATE_OPEN)
6421 for_each_nondefault_queue(bp, i) {
6422 rc = bnx2x_setup_multi(bp, i);
6423 if (rc)
6424 goto load_netif_stop;
6425 }
6426
6427 if (CHIP_IS_E1(bp))
6428 bnx2x_set_mac_addr_e1(bp, 1);
6429 else
6430 bnx2x_set_mac_addr_e1h(bp, 1);
6431
6432 if (bp->port.pmf)
6433 bnx2x_initial_phy_init(bp);
6434
6435 /* Start fast path */
6436 switch (load_mode) {
6437 case LOAD_NORMAL:
6438 /* Tx queue should be only reenabled */
6439 netif_wake_queue(bp->dev);
6440 bnx2x_set_rx_mode(bp->dev);
6441 break;
6442
6443 case LOAD_OPEN:
6444 netif_start_queue(bp->dev);
6445 bnx2x_set_rx_mode(bp->dev);
6446 if (bp->flags & USING_MSIX_FLAG)
6447 printk(KERN_INFO PFX "%s: using MSI-X\n",
6448 bp->dev->name);
6449 break;
6450
6451 case LOAD_DIAG:
6452 bnx2x_set_rx_mode(bp->dev);
6453 bp->state = BNX2X_STATE_DIAG;
6454 break;
6455
6456 default:
6457 break;
6458 }
6459
6460 if (!bp->port.pmf)
6461 bnx2x__link_status_update(bp);
6462
6463 /* start the timer */
6464 mod_timer(&bp->timer, jiffies + bp->current_interval);
6465
6466
6467 return 0;
6468
6469 load_netif_stop:
6470 bnx2x_napi_disable(bp);
6471 load_rings_free:
6472 /* Free SKBs, SGEs, TPA pool and driver internals */
6473 bnx2x_free_skbs(bp);
6474 for_each_queue(bp, i)
6475 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6476 load_int_disable:
6477 bnx2x_int_disable_sync(bp, 1);
6478 /* Release IRQs */
6479 bnx2x_free_irq(bp);
6480 load_error:
6481 bnx2x_free_mem(bp);
6482 bp->port.pmf = 0;
6483
6484 /* TBD we really need to reset the chip
6485 if we want to recover from this */
6486 return rc;
6487 }
6488
6489 static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6490 {
6491 int rc;
6492
6493 /* halt the connection */
6494 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6495 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
6496
6497 /* Wait for completion */
6498 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6499 &(bp->fp[index].state), 1);
6500 if (rc) /* timeout */
6501 return rc;
6502
6503 /* delete cfc entry */
6504 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6505
6506 /* Wait for completion */
6507 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6508 &(bp->fp[index].state), 1);
6509 return rc;
6510 }
6511
6512 static int bnx2x_stop_leading(struct bnx2x *bp)
6513 {
6514 u16 dsb_sp_prod_idx;
6515 /* if the other port is handling traffic,
6516 this can take a lot of time */
6517 int cnt = 500;
6518 int rc;
6519
6520 might_sleep();
6521
6522 /* Send HALT ramrod */
6523 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6524 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
6525
6526 /* Wait for completion */
6527 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6528 &(bp->fp[0].state), 1);
6529 if (rc) /* timeout */
6530 return rc;
6531
6532 dsb_sp_prod_idx = *bp->dsb_sp_prod;
6533
6534 /* Send PORT_DELETE ramrod */
6535 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6536
6537 /* Wait for completion to arrive on default status block
6538 we are going to reset the chip anyway
6539 so there is not much to do if this times out
6540 */
6541 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
6542 if (!cnt) {
6543 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6544 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6545 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6546 #ifdef BNX2X_STOP_ON_ERROR
6547 bnx2x_panic();
6548 #else
6549 rc = -EBUSY;
6550 #endif
6551 break;
6552 }
6553 cnt--;
6554 msleep(1);
6555 }
6556 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6557 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6558
6559 return rc;
6560 }
6561
6562 static void bnx2x_reset_func(struct bnx2x *bp)
6563 {
6564 int port = BP_PORT(bp);
6565 int func = BP_FUNC(bp);
6566 int base, i;
6567
6568 /* Configure IGU */
6569 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6570 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6571
6572 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6573
6574 /* Clear ILT */
6575 base = FUNC_ILT_BASE(func);
6576 for (i = base; i < base + ILT_PER_FUNC; i++)
6577 bnx2x_ilt_wr(bp, i, 0);
6578 }
6579
6580 static void bnx2x_reset_port(struct bnx2x *bp)
6581 {
6582 int port = BP_PORT(bp);
6583 u32 val;
6584
6585 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6586
6587 /* Do not rcv packets to BRB */
6588 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6589 /* Do not direct rcv packets that are not for MCP to the BRB */
6590 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6591 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6592
6593 /* Configure AEU */
6594 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6595
6596 msleep(100);
6597 /* Check for BRB port occupancy */
6598 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6599 if (val)
6600 DP(NETIF_MSG_IFDOWN,
6601 "BRB1 is not empty %d blocks are occupied\n", val);
6602
6603 /* TODO: Close Doorbell port? */
6604 }
6605
6606 static void bnx2x_reset_common(struct bnx2x *bp)
6607 {
6608 /* reset_common */
6609 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6610 0xd3ffff7f);
6611 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6612 }
6613
6614 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6615 {
6616 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6617 BP_FUNC(bp), reset_code);
6618
6619 switch (reset_code) {
6620 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6621 bnx2x_reset_port(bp);
6622 bnx2x_reset_func(bp);
6623 bnx2x_reset_common(bp);
6624 break;
6625
6626 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6627 bnx2x_reset_port(bp);
6628 bnx2x_reset_func(bp);
6629 break;
6630
6631 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6632 bnx2x_reset_func(bp);
6633 break;
6634
6635 default:
6636 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6637 break;
6638 }
6639 }
6640
6641 /* must be called with rtnl_lock */
6642 static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
6643 {
6644 int port = BP_PORT(bp);
6645 u32 reset_code = 0;
6646 int i, cnt, rc;
6647
6648 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6649
6650 bp->rx_mode = BNX2X_RX_MODE_NONE;
6651 bnx2x_set_storm_rx_mode(bp);
6652
6653 bnx2x_netif_stop(bp, 1);
6654 if (!netif_running(bp->dev))
6655 bnx2x_napi_disable(bp);
6656 del_timer_sync(&bp->timer);
6657 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6658 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
6659 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6660
6661 /* Wait until tx fast path tasks complete */
6662 for_each_queue(bp, i) {
6663 struct bnx2x_fastpath *fp = &bp->fp[i];
6664
6665 cnt = 1000;
6666 smp_rmb();
6667 while (BNX2X_HAS_TX_WORK(fp)) {
6668
6669 bnx2x_tx_int(fp, 1000);
6670 if (!cnt) {
6671 BNX2X_ERR("timeout waiting for queue[%d]\n",
6672 i);
6673 #ifdef BNX2X_STOP_ON_ERROR
6674 bnx2x_panic();
6675 return -EBUSY;
6676 #else
6677 break;
6678 #endif
6679 }
6680 cnt--;
6681 msleep(1);
6682 smp_rmb();
6683 }
6684 }
6685 /* Give HW time to discard old tx messages */
6686 msleep(1);
6687
6688 /* Release IRQs */
6689 bnx2x_free_irq(bp);
6690
6691 if (CHIP_IS_E1(bp)) {
6692 struct mac_configuration_cmd *config =
6693 bnx2x_sp(bp, mcast_config);
6694
6695 bnx2x_set_mac_addr_e1(bp, 0);
6696
6697 for (i = 0; i < config->hdr.length_6b; i++)
6698 CAM_INVALIDATE(config->config_table[i]);
6699
6700 config->hdr.length_6b = i;
6701 if (CHIP_REV_IS_SLOW(bp))
6702 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6703 else
6704 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6705 config->hdr.client_id = BP_CL_ID(bp);
6706 config->hdr.reserved1 = 0;
6707
6708 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6709 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6710 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6711
6712 } else { /* E1H */
6713 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6714
6715 bnx2x_set_mac_addr_e1h(bp, 0);
6716
6717 for (i = 0; i < MC_HASH_SIZE; i++)
6718 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6719 }
6720
6721 if (unload_mode == UNLOAD_NORMAL)
6722 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6723
6724 else if (bp->flags & NO_WOL_FLAG) {
6725 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6726 if (CHIP_IS_E1H(bp))
6727 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6728
6729 } else if (bp->wol) {
6730 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6731 u8 *mac_addr = bp->dev->dev_addr;
6732 u32 val;
6733 /* The mac address is written to entries 1-4 to
6734 preserve entry 0 which is used by the PMF */
6735 u8 entry = (BP_E1HVN(bp) + 1)*8;
6736
6737 val = (mac_addr[0] << 8) | mac_addr[1];
6738 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
6739
6740 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6741 (mac_addr[4] << 8) | mac_addr[5];
6742 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
6743
6744 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6745
6746 } else
6747 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6748
6749 /* Close multi and leading connections
6750 Completions for ramrods are collected in a synchronous way */
6751 for_each_nondefault_queue(bp, i)
6752 if (bnx2x_stop_multi(bp, i))
6753 goto unload_error;
6754
6755 rc = bnx2x_stop_leading(bp);
6756 if (rc) {
6757 BNX2X_ERR("Stop leading failed!\n");
6758 #ifdef BNX2X_STOP_ON_ERROR
6759 return -EBUSY;
6760 #else
6761 goto unload_error;
6762 #endif
6763 }
6764
6765 unload_error:
6766 if (!BP_NOMCP(bp))
6767 reset_code = bnx2x_fw_command(bp, reset_code);
6768 else {
6769 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6770 load_count[0], load_count[1], load_count[2]);
6771 load_count[0]--;
6772 load_count[1 + port]--;
6773 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6774 load_count[0], load_count[1], load_count[2]);
6775 if (load_count[0] == 0)
6776 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6777 else if (load_count[1 + port] == 0)
6778 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6779 else
6780 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6781 }
6782
6783 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6784 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6785 bnx2x__link_reset(bp);
6786
6787 /* Reset the chip */
6788 bnx2x_reset_chip(bp, reset_code);
6789
6790 /* Report UNLOAD_DONE to MCP */
6791 if (!BP_NOMCP(bp))
6792 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6793 bp->port.pmf = 0;
6794
6795 /* Free SKBs, SGEs, TPA pool and driver internals */
6796 bnx2x_free_skbs(bp);
6797 for_each_queue(bp, i)
6798 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6799 bnx2x_free_mem(bp);
6800
6801 bp->state = BNX2X_STATE_CLOSED;
6802
6803 netif_carrier_off(bp->dev);
6804
6805 return 0;
6806 }
6807
6808 static void bnx2x_reset_task(struct work_struct *work)
6809 {
6810 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6811
6812 #ifdef BNX2X_STOP_ON_ERROR
6813 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6814 " so reset not done to allow debug dump,\n"
6815 KERN_ERR " you will need to reboot when done\n");
6816 return;
6817 #endif
6818
6819 rtnl_lock();
6820
6821 if (!netif_running(bp->dev))
6822 goto reset_task_exit;
6823
6824 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6825 bnx2x_nic_load(bp, LOAD_NORMAL);
6826
6827 reset_task_exit:
6828 rtnl_unlock();
6829 }
6830
6831 /* end of nic load/unload */
6832
6833 /* ethtool_ops */
6834
6835 /*
6836 * Init service functions
6837 */
6838
6839 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
6840 {
6841 u32 val;
6842
6843 /* Check if there is any driver already loaded */
6844 val = REG_RD(bp, MISC_REG_UNPREPARED);
6845 if (val == 0x1) {
6846 /* Check if it is the UNDI driver
6847 * UNDI driver initializes CID offset for normal bell to 0x7
6848 */
6849 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6850 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6851 if (val == 0x7)
6852 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6853 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6854
6855 if (val == 0x7) {
6856 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6857 /* save our func */
6858 int func = BP_FUNC(bp);
6859 u32 swap_en;
6860 u32 swap_val;
6861
6862 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6863
6864 /* try unload UNDI on port 0 */
6865 bp->func = 0;
6866 bp->fw_seq =
6867 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6868 DRV_MSG_SEQ_NUMBER_MASK);
6869 reset_code = bnx2x_fw_command(bp, reset_code);
6870
6871 /* if UNDI is loaded on the other port */
6872 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6873
6874 /* send "DONE" for previous unload */
6875 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6876
6877 /* unload UNDI on port 1 */
6878 bp->func = 1;
6879 bp->fw_seq =
6880 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6881 DRV_MSG_SEQ_NUMBER_MASK);
6882 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6883
6884 bnx2x_fw_command(bp, reset_code);
6885 }
6886
6887 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6888 HC_REG_CONFIG_0), 0x1000);
6889
6890 /* close input traffic and wait for it */
6891 /* Do not rcv packets to BRB */
6892 REG_WR(bp,
6893 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6894 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6895 /* Do not direct rcv packets that are not for MCP to
6896 * the BRB */
6897 REG_WR(bp,
6898 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6899 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6900 /* clear AEU */
6901 REG_WR(bp,
6902 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6903 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6904 msleep(10);
6905
6906 /* save NIG port swap info */
6907 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6908 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6909 /* reset device */
6910 REG_WR(bp,
6911 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6912 0xd3ffffff);
6913 REG_WR(bp,
6914 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6915 0x1403);
6916 /* take the NIG out of reset and restore swap values */
6917 REG_WR(bp,
6918 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6919 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6920 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6921 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6922
6923 /* send unload done to the MCP */
6924 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6925
6926 /* restore our func and fw_seq */
6927 bp->func = func;
6928 bp->fw_seq =
6929 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6930 DRV_MSG_SEQ_NUMBER_MASK);
6931 }
6932 }
6933 }
6934
6935 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6936 {
6937 u32 val, val2, val3, val4, id;
6938 u16 pmc;
6939
6940 /* Get the chip revision id and number. */
6941 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6942 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6943 id = ((val & 0xffff) << 16);
6944 val = REG_RD(bp, MISC_REG_CHIP_REV);
6945 id |= ((val & 0xf) << 12);
6946 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6947 id |= ((val & 0xff) << 4);
6948 REG_RD(bp, MISC_REG_BOND_ID);
6949 id |= (val & 0xf);
6950 bp->common.chip_id = id;
6951 bp->link_params.chip_id = bp->common.chip_id;
6952 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6953
6954 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6955 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6956 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6957 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6958 bp->common.flash_size, bp->common.flash_size);
6959
6960 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6961 bp->link_params.shmem_base = bp->common.shmem_base;
6962 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6963
6964 if (!bp->common.shmem_base ||
6965 (bp->common.shmem_base < 0xA0000) ||
6966 (bp->common.shmem_base >= 0xC0000)) {
6967 BNX2X_DEV_INFO("MCP not active\n");
6968 bp->flags |= NO_MCP_FLAG;
6969 return;
6970 }
6971
6972 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6973 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6974 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6975 BNX2X_ERR("BAD MCP validity signature\n");
6976
6977 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6978 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6979
6980 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6981 bp->common.hw_config, bp->common.board);
6982
6983 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6984 SHARED_HW_CFG_LED_MODE_MASK) >>
6985 SHARED_HW_CFG_LED_MODE_SHIFT);
6986
6987 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6988 bp->common.bc_ver = val;
6989 BNX2X_DEV_INFO("bc_ver %X\n", val);
6990 if (val < BNX2X_BC_VER) {
6991 /* for now only warn
6992 * later we might need to enforce this */
6993 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6994 " please upgrade BC\n", BNX2X_BC_VER, val);
6995 }
6996
6997 if (BP_E1HVN(bp) == 0) {
6998 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
6999 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7000 } else {
7001 /* no WOL capability for E1HVN != 0 */
7002 bp->flags |= NO_WOL_FLAG;
7003 }
7004 BNX2X_DEV_INFO("%sWoL capable\n",
7005 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
7006
7007 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7008 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7009 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7010 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7011
7012 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7013 val, val2, val3, val4);
7014 }
7015
7016 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7017 u32 switch_cfg)
7018 {
7019 int port = BP_PORT(bp);
7020 u32 ext_phy_type;
7021
7022 switch (switch_cfg) {
7023 case SWITCH_CFG_1G:
7024 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7025
7026 ext_phy_type =
7027 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7028 switch (ext_phy_type) {
7029 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7030 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7031 ext_phy_type);
7032
7033 bp->port.supported |= (SUPPORTED_10baseT_Half |
7034 SUPPORTED_10baseT_Full |
7035 SUPPORTED_100baseT_Half |
7036 SUPPORTED_100baseT_Full |
7037 SUPPORTED_1000baseT_Full |
7038 SUPPORTED_2500baseX_Full |
7039 SUPPORTED_TP |
7040 SUPPORTED_FIBRE |
7041 SUPPORTED_Autoneg |
7042 SUPPORTED_Pause |
7043 SUPPORTED_Asym_Pause);
7044 break;
7045
7046 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7047 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7048 ext_phy_type);
7049
7050 bp->port.supported |= (SUPPORTED_10baseT_Half |
7051 SUPPORTED_10baseT_Full |
7052 SUPPORTED_100baseT_Half |
7053 SUPPORTED_100baseT_Full |
7054 SUPPORTED_1000baseT_Full |
7055 SUPPORTED_TP |
7056 SUPPORTED_FIBRE |
7057 SUPPORTED_Autoneg |
7058 SUPPORTED_Pause |
7059 SUPPORTED_Asym_Pause);
7060 break;
7061
7062 default:
7063 BNX2X_ERR("NVRAM config error. "
7064 "BAD SerDes ext_phy_config 0x%x\n",
7065 bp->link_params.ext_phy_config);
7066 return;
7067 }
7068
7069 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7070 port*0x10);
7071 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7072 break;
7073
7074 case SWITCH_CFG_10G:
7075 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7076
7077 ext_phy_type =
7078 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7079 switch (ext_phy_type) {
7080 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7081 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7082 ext_phy_type);
7083
7084 bp->port.supported |= (SUPPORTED_10baseT_Half |
7085 SUPPORTED_10baseT_Full |
7086 SUPPORTED_100baseT_Half |
7087 SUPPORTED_100baseT_Full |
7088 SUPPORTED_1000baseT_Full |
7089 SUPPORTED_2500baseX_Full |
7090 SUPPORTED_10000baseT_Full |
7091 SUPPORTED_TP |
7092 SUPPORTED_FIBRE |
7093 SUPPORTED_Autoneg |
7094 SUPPORTED_Pause |
7095 SUPPORTED_Asym_Pause);
7096 break;
7097
7098 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7099 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7100 ext_phy_type);
7101
7102 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7103 SUPPORTED_FIBRE |
7104 SUPPORTED_Pause |
7105 SUPPORTED_Asym_Pause);
7106 break;
7107
7108 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7109 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7110 ext_phy_type);
7111
7112 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7113 SUPPORTED_1000baseT_Full |
7114 SUPPORTED_FIBRE |
7115 SUPPORTED_Pause |
7116 SUPPORTED_Asym_Pause);
7117 break;
7118
7119 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7120 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7121 ext_phy_type);
7122
7123 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7124 SUPPORTED_1000baseT_Full |
7125 SUPPORTED_FIBRE |
7126 SUPPORTED_Autoneg |
7127 SUPPORTED_Pause |
7128 SUPPORTED_Asym_Pause);
7129 break;
7130
7131 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7132 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7133 ext_phy_type);
7134
7135 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7136 SUPPORTED_2500baseX_Full |
7137 SUPPORTED_1000baseT_Full |
7138 SUPPORTED_FIBRE |
7139 SUPPORTED_Autoneg |
7140 SUPPORTED_Pause |
7141 SUPPORTED_Asym_Pause);
7142 break;
7143
7144 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7145 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7146 ext_phy_type);
7147
7148 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7149 SUPPORTED_TP |
7150 SUPPORTED_Autoneg |
7151 SUPPORTED_Pause |
7152 SUPPORTED_Asym_Pause);
7153 break;
7154
7155 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7156 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7157 bp->link_params.ext_phy_config);
7158 break;
7159
7160 default:
7161 BNX2X_ERR("NVRAM config error. "
7162 "BAD XGXS ext_phy_config 0x%x\n",
7163 bp->link_params.ext_phy_config);
7164 return;
7165 }
7166
7167 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7168 port*0x18);
7169 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7170
7171 break;
7172
7173 default:
7174 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7175 bp->port.link_config);
7176 return;
7177 }
7178 bp->link_params.phy_addr = bp->port.phy_addr;
7179
7180 /* mask what we support according to speed_cap_mask */
7181 if (!(bp->link_params.speed_cap_mask &
7182 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7183 bp->port.supported &= ~SUPPORTED_10baseT_Half;
7184
7185 if (!(bp->link_params.speed_cap_mask &
7186 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7187 bp->port.supported &= ~SUPPORTED_10baseT_Full;
7188
7189 if (!(bp->link_params.speed_cap_mask &
7190 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7191 bp->port.supported &= ~SUPPORTED_100baseT_Half;
7192
7193 if (!(bp->link_params.speed_cap_mask &
7194 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7195 bp->port.supported &= ~SUPPORTED_100baseT_Full;
7196
7197 if (!(bp->link_params.speed_cap_mask &
7198 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7199 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7200 SUPPORTED_1000baseT_Full);
7201
7202 if (!(bp->link_params.speed_cap_mask &
7203 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7204 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
7205
7206 if (!(bp->link_params.speed_cap_mask &
7207 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7208 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
7209
7210 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
7211 }
7212
7213 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
7214 {
7215 bp->link_params.req_duplex = DUPLEX_FULL;
7216
7217 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7218 case PORT_FEATURE_LINK_SPEED_AUTO:
7219 if (bp->port.supported & SUPPORTED_Autoneg) {
7220 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7221 bp->port.advertising = bp->port.supported;
7222 } else {
7223 u32 ext_phy_type =
7224 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7225
7226 if ((ext_phy_type ==
7227 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7228 (ext_phy_type ==
7229 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
7230 /* force 10G, no AN */
7231 bp->link_params.req_line_speed = SPEED_10000;
7232 bp->port.advertising =
7233 (ADVERTISED_10000baseT_Full |
7234 ADVERTISED_FIBRE);
7235 break;
7236 }
7237 BNX2X_ERR("NVRAM config error. "
7238 "Invalid link_config 0x%x"
7239 " Autoneg not supported\n",
7240 bp->port.link_config);
7241 return;
7242 }
7243 break;
7244
7245 case PORT_FEATURE_LINK_SPEED_10M_FULL:
7246 if (bp->port.supported & SUPPORTED_10baseT_Full) {
7247 bp->link_params.req_line_speed = SPEED_10;
7248 bp->port.advertising = (ADVERTISED_10baseT_Full |
7249 ADVERTISED_TP);
7250 } else {
7251 BNX2X_ERR("NVRAM config error. "
7252 "Invalid link_config 0x%x"
7253 " speed_cap_mask 0x%x\n",
7254 bp->port.link_config,
7255 bp->link_params.speed_cap_mask);
7256 return;
7257 }
7258 break;
7259
7260 case PORT_FEATURE_LINK_SPEED_10M_HALF:
7261 if (bp->port.supported & SUPPORTED_10baseT_Half) {
7262 bp->link_params.req_line_speed = SPEED_10;
7263 bp->link_params.req_duplex = DUPLEX_HALF;
7264 bp->port.advertising = (ADVERTISED_10baseT_Half |
7265 ADVERTISED_TP);
7266 } else {
7267 BNX2X_ERR("NVRAM config error. "
7268 "Invalid link_config 0x%x"
7269 " speed_cap_mask 0x%x\n",
7270 bp->port.link_config,
7271 bp->link_params.speed_cap_mask);
7272 return;
7273 }
7274 break;
7275
7276 case PORT_FEATURE_LINK_SPEED_100M_FULL:
7277 if (bp->port.supported & SUPPORTED_100baseT_Full) {
7278 bp->link_params.req_line_speed = SPEED_100;
7279 bp->port.advertising = (ADVERTISED_100baseT_Full |
7280 ADVERTISED_TP);
7281 } else {
7282 BNX2X_ERR("NVRAM config error. "
7283 "Invalid link_config 0x%x"
7284 " speed_cap_mask 0x%x\n",
7285 bp->port.link_config,
7286 bp->link_params.speed_cap_mask);
7287 return;
7288 }
7289 break;
7290
7291 case PORT_FEATURE_LINK_SPEED_100M_HALF:
7292 if (bp->port.supported & SUPPORTED_100baseT_Half) {
7293 bp->link_params.req_line_speed = SPEED_100;
7294 bp->link_params.req_duplex = DUPLEX_HALF;
7295 bp->port.advertising = (ADVERTISED_100baseT_Half |
7296 ADVERTISED_TP);
7297 } else {
7298 BNX2X_ERR("NVRAM config error. "
7299 "Invalid link_config 0x%x"
7300 " speed_cap_mask 0x%x\n",
7301 bp->port.link_config,
7302 bp->link_params.speed_cap_mask);
7303 return;
7304 }
7305 break;
7306
7307 case PORT_FEATURE_LINK_SPEED_1G:
7308 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
7309 bp->link_params.req_line_speed = SPEED_1000;
7310 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7311 ADVERTISED_TP);
7312 } else {
7313 BNX2X_ERR("NVRAM config error. "
7314 "Invalid link_config 0x%x"
7315 " speed_cap_mask 0x%x\n",
7316 bp->port.link_config,
7317 bp->link_params.speed_cap_mask);
7318 return;
7319 }
7320 break;
7321
7322 case PORT_FEATURE_LINK_SPEED_2_5G:
7323 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
7324 bp->link_params.req_line_speed = SPEED_2500;
7325 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7326 ADVERTISED_TP);
7327 } else {
7328 BNX2X_ERR("NVRAM config error. "
7329 "Invalid link_config 0x%x"
7330 " speed_cap_mask 0x%x\n",
7331 bp->port.link_config,
7332 bp->link_params.speed_cap_mask);
7333 return;
7334 }
7335 break;
7336
7337 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7338 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7339 case PORT_FEATURE_LINK_SPEED_10G_KR:
7340 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
7341 bp->link_params.req_line_speed = SPEED_10000;
7342 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7343 ADVERTISED_FIBRE);
7344 } else {
7345 BNX2X_ERR("NVRAM config error. "
7346 "Invalid link_config 0x%x"
7347 " speed_cap_mask 0x%x\n",
7348 bp->port.link_config,
7349 bp->link_params.speed_cap_mask);
7350 return;
7351 }
7352 break;
7353
7354 default:
7355 BNX2X_ERR("NVRAM config error. "
7356 "BAD link speed link_config 0x%x\n",
7357 bp->port.link_config);
7358 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7359 bp->port.advertising = bp->port.supported;
7360 break;
7361 }
7362
7363 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7364 PORT_FEATURE_FLOW_CONTROL_MASK);
7365 if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
7366 !(bp->port.supported & SUPPORTED_Autoneg))
7367 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7368
7369 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
7370 " advertising 0x%x\n",
7371 bp->link_params.req_line_speed,
7372 bp->link_params.req_duplex,
7373 bp->link_params.req_flow_ctrl, bp->port.advertising);
7374 }
7375
7376 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
7377 {
7378 int port = BP_PORT(bp);
7379 u32 val, val2;
7380
7381 bp->link_params.bp = bp;
7382 bp->link_params.port = port;
7383
7384 bp->link_params.serdes_config =
7385 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
7386 bp->link_params.lane_config =
7387 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
7388 bp->link_params.ext_phy_config =
7389 SHMEM_RD(bp,
7390 dev_info.port_hw_config[port].external_phy_config);
7391 bp->link_params.speed_cap_mask =
7392 SHMEM_RD(bp,
7393 dev_info.port_hw_config[port].speed_capability_mask);
7394
7395 bp->port.link_config =
7396 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7397
7398 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7399 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7400 " link_config 0x%08x\n",
7401 bp->link_params.serdes_config,
7402 bp->link_params.lane_config,
7403 bp->link_params.ext_phy_config,
7404 bp->link_params.speed_cap_mask, bp->port.link_config);
7405
7406 bp->link_params.switch_cfg = (bp->port.link_config &
7407 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7408 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
7409
7410 bnx2x_link_settings_requested(bp);
7411
7412 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7413 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7414 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7415 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7416 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7417 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7418 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7419 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7420 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7421 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7422 }
7423
7424 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7425 {
7426 int func = BP_FUNC(bp);
7427 u32 val, val2;
7428 int rc = 0;
7429
7430 bnx2x_get_common_hwinfo(bp);
7431
7432 bp->e1hov = 0;
7433 bp->e1hmf = 0;
7434 if (CHIP_IS_E1H(bp)) {
7435 bp->mf_config =
7436 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
7437
7438 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7439 FUNC_MF_CFG_E1HOV_TAG_MASK);
7440 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
7441
7442 bp->e1hov = val;
7443 bp->e1hmf = 1;
7444 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7445 "(0x%04x)\n",
7446 func, bp->e1hov, bp->e1hov);
7447 } else {
7448 BNX2X_DEV_INFO("Single function mode\n");
7449 if (BP_E1HVN(bp)) {
7450 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7451 " aborting\n", func);
7452 rc = -EPERM;
7453 }
7454 }
7455 }
7456
7457 if (!BP_NOMCP(bp)) {
7458 bnx2x_get_port_hwinfo(bp);
7459
7460 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7461 DRV_MSG_SEQ_NUMBER_MASK);
7462 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7463 }
7464
7465 if (IS_E1HMF(bp)) {
7466 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7467 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7468 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7469 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7470 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7471 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7472 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7473 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7474 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7475 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7476 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7477 ETH_ALEN);
7478 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7479 ETH_ALEN);
7480 }
7481
7482 return rc;
7483 }
7484
7485 if (BP_NOMCP(bp)) {
7486 /* only supposed to happen on emulation/FPGA */
7487 BNX2X_ERR("warning random MAC workaround active\n");
7488 random_ether_addr(bp->dev->dev_addr);
7489 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7490 }
7491
7492 return rc;
7493 }
7494
7495 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7496 {
7497 int func = BP_FUNC(bp);
7498 int rc;
7499
7500 /* Disable interrupt handling until HW is initialized */
7501 atomic_set(&bp->intr_sem, 1);
7502
7503 mutex_init(&bp->port.phy_mutex);
7504
7505 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7506 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7507
7508 rc = bnx2x_get_hwinfo(bp);
7509
7510 /* need to reset chip if undi was active */
7511 if (!BP_NOMCP(bp))
7512 bnx2x_undi_unload(bp);
7513
7514 if (CHIP_REV_IS_FPGA(bp))
7515 printk(KERN_ERR PFX "FPGA detected\n");
7516
7517 if (BP_NOMCP(bp) && (func == 0))
7518 printk(KERN_ERR PFX
7519 "MCP disabled, must load devices in order!\n");
7520
7521 /* Set TPA flags */
7522 if (disable_tpa) {
7523 bp->flags &= ~TPA_ENABLE_FLAG;
7524 bp->dev->features &= ~NETIF_F_LRO;
7525 } else {
7526 bp->flags |= TPA_ENABLE_FLAG;
7527 bp->dev->features |= NETIF_F_LRO;
7528 }
7529
7530
7531 bp->tx_ring_size = MAX_TX_AVAIL;
7532 bp->rx_ring_size = MAX_RX_AVAIL;
7533
7534 bp->rx_csum = 1;
7535 bp->rx_offset = 0;
7536
7537 bp->tx_ticks = 50;
7538 bp->rx_ticks = 25;
7539
7540 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7541 bp->current_interval = (poll ? poll : bp->timer_interval);
7542
7543 init_timer(&bp->timer);
7544 bp->timer.expires = jiffies + bp->current_interval;
7545 bp->timer.data = (unsigned long) bp;
7546 bp->timer.function = bnx2x_timer;
7547
7548 return rc;
7549 }
7550
7551 /*
7552 * ethtool service functions
7553 */
7554
7555 /* All ethtool functions called with rtnl_lock */
7556
7557 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7558 {
7559 struct bnx2x *bp = netdev_priv(dev);
7560
7561 cmd->supported = bp->port.supported;
7562 cmd->advertising = bp->port.advertising;
7563
7564 if (netif_carrier_ok(dev)) {
7565 cmd->speed = bp->link_vars.line_speed;
7566 cmd->duplex = bp->link_vars.duplex;
7567 } else {
7568 cmd->speed = bp->link_params.req_line_speed;
7569 cmd->duplex = bp->link_params.req_duplex;
7570 }
7571 if (IS_E1HMF(bp)) {
7572 u16 vn_max_rate;
7573
7574 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7575 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7576 if (vn_max_rate < cmd->speed)
7577 cmd->speed = vn_max_rate;
7578 }
7579
7580 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7581 u32 ext_phy_type =
7582 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7583
7584 switch (ext_phy_type) {
7585 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7586 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7587 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7588 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7589 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7590 cmd->port = PORT_FIBRE;
7591 break;
7592
7593 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7594 cmd->port = PORT_TP;
7595 break;
7596
7597 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7598 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7599 bp->link_params.ext_phy_config);
7600 break;
7601
7602 default:
7603 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
7604 bp->link_params.ext_phy_config);
7605 break;
7606 }
7607 } else
7608 cmd->port = PORT_TP;
7609
7610 cmd->phy_address = bp->port.phy_addr;
7611 cmd->transceiver = XCVR_INTERNAL;
7612
7613 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
7614 cmd->autoneg = AUTONEG_ENABLE;
7615 else
7616 cmd->autoneg = AUTONEG_DISABLE;
7617
7618 cmd->maxtxpkt = 0;
7619 cmd->maxrxpkt = 0;
7620
7621 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7622 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7623 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7624 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7625 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7626 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7627 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7628
7629 return 0;
7630 }
7631
7632 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7633 {
7634 struct bnx2x *bp = netdev_priv(dev);
7635 u32 advertising;
7636
7637 if (IS_E1HMF(bp))
7638 return 0;
7639
7640 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7641 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7642 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7643 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7644 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7645 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7646 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7647
7648 if (cmd->autoneg == AUTONEG_ENABLE) {
7649 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7650 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
7651 return -EINVAL;
7652 }
7653
7654 /* advertise the requested speed and duplex if supported */
7655 cmd->advertising &= bp->port.supported;
7656
7657 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7658 bp->link_params.req_duplex = DUPLEX_FULL;
7659 bp->port.advertising |= (ADVERTISED_Autoneg |
7660 cmd->advertising);
7661
7662 } else { /* forced speed */
7663 /* advertise the requested speed and duplex if supported */
7664 switch (cmd->speed) {
7665 case SPEED_10:
7666 if (cmd->duplex == DUPLEX_FULL) {
7667 if (!(bp->port.supported &
7668 SUPPORTED_10baseT_Full)) {
7669 DP(NETIF_MSG_LINK,
7670 "10M full not supported\n");
7671 return -EINVAL;
7672 }
7673
7674 advertising = (ADVERTISED_10baseT_Full |
7675 ADVERTISED_TP);
7676 } else {
7677 if (!(bp->port.supported &
7678 SUPPORTED_10baseT_Half)) {
7679 DP(NETIF_MSG_LINK,
7680 "10M half not supported\n");
7681 return -EINVAL;
7682 }
7683
7684 advertising = (ADVERTISED_10baseT_Half |
7685 ADVERTISED_TP);
7686 }
7687 break;
7688
7689 case SPEED_100:
7690 if (cmd->duplex == DUPLEX_FULL) {
7691 if (!(bp->port.supported &
7692 SUPPORTED_100baseT_Full)) {
7693 DP(NETIF_MSG_LINK,
7694 "100M full not supported\n");
7695 return -EINVAL;
7696 }
7697
7698 advertising = (ADVERTISED_100baseT_Full |
7699 ADVERTISED_TP);
7700 } else {
7701 if (!(bp->port.supported &
7702 SUPPORTED_100baseT_Half)) {
7703 DP(NETIF_MSG_LINK,
7704 "100M half not supported\n");
7705 return -EINVAL;
7706 }
7707
7708 advertising = (ADVERTISED_100baseT_Half |
7709 ADVERTISED_TP);
7710 }
7711 break;
7712
7713 case SPEED_1000:
7714 if (cmd->duplex != DUPLEX_FULL) {
7715 DP(NETIF_MSG_LINK, "1G half not supported\n");
7716 return -EINVAL;
7717 }
7718
7719 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
7720 DP(NETIF_MSG_LINK, "1G full not supported\n");
7721 return -EINVAL;
7722 }
7723
7724 advertising = (ADVERTISED_1000baseT_Full |
7725 ADVERTISED_TP);
7726 break;
7727
7728 case SPEED_2500:
7729 if (cmd->duplex != DUPLEX_FULL) {
7730 DP(NETIF_MSG_LINK,
7731 "2.5G half not supported\n");
7732 return -EINVAL;
7733 }
7734
7735 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
7736 DP(NETIF_MSG_LINK,
7737 "2.5G full not supported\n");
7738 return -EINVAL;
7739 }
7740
7741 advertising = (ADVERTISED_2500baseX_Full |
7742 ADVERTISED_TP);
7743 break;
7744
7745 case SPEED_10000:
7746 if (cmd->duplex != DUPLEX_FULL) {
7747 DP(NETIF_MSG_LINK, "10G half not supported\n");
7748 return -EINVAL;
7749 }
7750
7751 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
7752 DP(NETIF_MSG_LINK, "10G full not supported\n");
7753 return -EINVAL;
7754 }
7755
7756 advertising = (ADVERTISED_10000baseT_Full |
7757 ADVERTISED_FIBRE);
7758 break;
7759
7760 default:
7761 DP(NETIF_MSG_LINK, "Unsupported speed\n");
7762 return -EINVAL;
7763 }
7764
7765 bp->link_params.req_line_speed = cmd->speed;
7766 bp->link_params.req_duplex = cmd->duplex;
7767 bp->port.advertising = advertising;
7768 }
7769
7770 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
7771 DP_LEVEL " req_duplex %d advertising 0x%x\n",
7772 bp->link_params.req_line_speed, bp->link_params.req_duplex,
7773 bp->port.advertising);
7774
7775 if (netif_running(dev)) {
7776 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7777 bnx2x_link_set(bp);
7778 }
7779
7780 return 0;
7781 }
7782
7783 #define PHY_FW_VER_LEN 10
7784
7785 static void bnx2x_get_drvinfo(struct net_device *dev,
7786 struct ethtool_drvinfo *info)
7787 {
7788 struct bnx2x *bp = netdev_priv(dev);
7789 u8 phy_fw_ver[PHY_FW_VER_LEN];
7790
7791 strcpy(info->driver, DRV_MODULE_NAME);
7792 strcpy(info->version, DRV_MODULE_VERSION);
7793
7794 phy_fw_ver[0] = '\0';
7795 if (bp->port.pmf) {
7796 bnx2x_acquire_phy_lock(bp);
7797 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7798 (bp->state != BNX2X_STATE_CLOSED),
7799 phy_fw_ver, PHY_FW_VER_LEN);
7800 bnx2x_release_phy_lock(bp);
7801 }
7802
7803 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7804 (bp->common.bc_ver & 0xff0000) >> 16,
7805 (bp->common.bc_ver & 0xff00) >> 8,
7806 (bp->common.bc_ver & 0xff),
7807 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
7808 strcpy(info->bus_info, pci_name(bp->pdev));
7809 info->n_stats = BNX2X_NUM_STATS;
7810 info->testinfo_len = BNX2X_NUM_TESTS;
7811 info->eedump_len = bp->common.flash_size;
7812 info->regdump_len = 0;
7813 }
7814
7815 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7816 {
7817 struct bnx2x *bp = netdev_priv(dev);
7818
7819 if (bp->flags & NO_WOL_FLAG) {
7820 wol->supported = 0;
7821 wol->wolopts = 0;
7822 } else {
7823 wol->supported = WAKE_MAGIC;
7824 if (bp->wol)
7825 wol->wolopts = WAKE_MAGIC;
7826 else
7827 wol->wolopts = 0;
7828 }
7829 memset(&wol->sopass, 0, sizeof(wol->sopass));
7830 }
7831
7832 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7833 {
7834 struct bnx2x *bp = netdev_priv(dev);
7835
7836 if (wol->wolopts & ~WAKE_MAGIC)
7837 return -EINVAL;
7838
7839 if (wol->wolopts & WAKE_MAGIC) {
7840 if (bp->flags & NO_WOL_FLAG)
7841 return -EINVAL;
7842
7843 bp->wol = 1;
7844 } else
7845 bp->wol = 0;
7846
7847 return 0;
7848 }
7849
7850 static u32 bnx2x_get_msglevel(struct net_device *dev)
7851 {
7852 struct bnx2x *bp = netdev_priv(dev);
7853
7854 return bp->msglevel;
7855 }
7856
7857 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7858 {
7859 struct bnx2x *bp = netdev_priv(dev);
7860
7861 if (capable(CAP_NET_ADMIN))
7862 bp->msglevel = level;
7863 }
7864
7865 static int bnx2x_nway_reset(struct net_device *dev)
7866 {
7867 struct bnx2x *bp = netdev_priv(dev);
7868
7869 if (!bp->port.pmf)
7870 return 0;
7871
7872 if (netif_running(dev)) {
7873 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7874 bnx2x_link_set(bp);
7875 }
7876
7877 return 0;
7878 }
7879
7880 static int bnx2x_get_eeprom_len(struct net_device *dev)
7881 {
7882 struct bnx2x *bp = netdev_priv(dev);
7883
7884 return bp->common.flash_size;
7885 }
7886
7887 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7888 {
7889 int port = BP_PORT(bp);
7890 int count, i;
7891 u32 val = 0;
7892
7893 /* adjust timeout for emulation/FPGA */
7894 count = NVRAM_TIMEOUT_COUNT;
7895 if (CHIP_REV_IS_SLOW(bp))
7896 count *= 100;
7897
7898 /* request access to nvram interface */
7899 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7900 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7901
7902 for (i = 0; i < count*10; i++) {
7903 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7904 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7905 break;
7906
7907 udelay(5);
7908 }
7909
7910 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
7911 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
7912 return -EBUSY;
7913 }
7914
7915 return 0;
7916 }
7917
7918 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7919 {
7920 int port = BP_PORT(bp);
7921 int count, i;
7922 u32 val = 0;
7923
7924 /* adjust timeout for emulation/FPGA */
7925 count = NVRAM_TIMEOUT_COUNT;
7926 if (CHIP_REV_IS_SLOW(bp))
7927 count *= 100;
7928
7929 /* relinquish nvram interface */
7930 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7931 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7932
7933 for (i = 0; i < count*10; i++) {
7934 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7935 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7936 break;
7937
7938 udelay(5);
7939 }
7940
7941 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
7942 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
7943 return -EBUSY;
7944 }
7945
7946 return 0;
7947 }
7948
7949 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7950 {
7951 u32 val;
7952
7953 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7954
7955 /* enable both bits, even on read */
7956 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7957 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7958 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7959 }
7960
7961 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7962 {
7963 u32 val;
7964
7965 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7966
7967 /* disable both bits, even after read */
7968 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7969 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7970 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7971 }
7972
7973 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7974 u32 cmd_flags)
7975 {
7976 int count, i, rc;
7977 u32 val;
7978
7979 /* build the command word */
7980 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7981
7982 /* need to clear DONE bit separately */
7983 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7984
7985 /* address of the NVRAM to read from */
7986 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7987 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7988
7989 /* issue a read command */
7990 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7991
7992 /* adjust timeout for emulation/FPGA */
7993 count = NVRAM_TIMEOUT_COUNT;
7994 if (CHIP_REV_IS_SLOW(bp))
7995 count *= 100;
7996
7997 /* wait for completion */
7998 *ret_val = 0;
7999 rc = -EBUSY;
8000 for (i = 0; i < count; i++) {
8001 udelay(5);
8002 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8003
8004 if (val & MCPR_NVM_COMMAND_DONE) {
8005 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
8006 /* we read nvram data in cpu order
8007 * but ethtool sees it as an array of bytes
8008 * converting to big-endian will do the work */
8009 val = cpu_to_be32(val);
8010 *ret_val = val;
8011 rc = 0;
8012 break;
8013 }
8014 }
8015
8016 return rc;
8017 }
8018
8019 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8020 int buf_size)
8021 {
8022 int rc;
8023 u32 cmd_flags;
8024 u32 val;
8025
8026 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8027 DP(BNX2X_MSG_NVM,
8028 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
8029 offset, buf_size);
8030 return -EINVAL;
8031 }
8032
8033 if (offset + buf_size > bp->common.flash_size) {
8034 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8035 " buf_size (0x%x) > flash_size (0x%x)\n",
8036 offset, buf_size, bp->common.flash_size);
8037 return -EINVAL;
8038 }
8039
8040 /* request access to nvram interface */
8041 rc = bnx2x_acquire_nvram_lock(bp);
8042 if (rc)
8043 return rc;
8044
8045 /* enable access to nvram interface */
8046 bnx2x_enable_nvram_access(bp);
8047
8048 /* read the first word(s) */
8049 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8050 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8051 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8052 memcpy(ret_buf, &val, 4);
8053
8054 /* advance to the next dword */
8055 offset += sizeof(u32);
8056 ret_buf += sizeof(u32);
8057 buf_size -= sizeof(u32);
8058 cmd_flags = 0;
8059 }
8060
8061 if (rc == 0) {
8062 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8063 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8064 memcpy(ret_buf, &val, 4);
8065 }
8066
8067 /* disable access to nvram interface */
8068 bnx2x_disable_nvram_access(bp);
8069 bnx2x_release_nvram_lock(bp);
8070
8071 return rc;
8072 }
8073
8074 static int bnx2x_get_eeprom(struct net_device *dev,
8075 struct ethtool_eeprom *eeprom, u8 *eebuf)
8076 {
8077 struct bnx2x *bp = netdev_priv(dev);
8078 int rc;
8079
8080 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8081 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8082 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8083 eeprom->len, eeprom->len);
8084
8085 /* parameters already validated in ethtool_get_eeprom */
8086
8087 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8088
8089 return rc;
8090 }
8091
8092 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8093 u32 cmd_flags)
8094 {
8095 int count, i, rc;
8096
8097 /* build the command word */
8098 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8099
8100 /* need to clear DONE bit separately */
8101 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8102
8103 /* write the data */
8104 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8105
8106 /* address of the NVRAM to write to */
8107 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8108 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8109
8110 /* issue the write command */
8111 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8112
8113 /* adjust timeout for emulation/FPGA */
8114 count = NVRAM_TIMEOUT_COUNT;
8115 if (CHIP_REV_IS_SLOW(bp))
8116 count *= 100;
8117
8118 /* wait for completion */
8119 rc = -EBUSY;
8120 for (i = 0; i < count; i++) {
8121 udelay(5);
8122 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8123 if (val & MCPR_NVM_COMMAND_DONE) {
8124 rc = 0;
8125 break;
8126 }
8127 }
8128
8129 return rc;
8130 }
8131
8132 #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
8133
8134 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8135 int buf_size)
8136 {
8137 int rc;
8138 u32 cmd_flags;
8139 u32 align_offset;
8140 u32 val;
8141
8142 if (offset + buf_size > bp->common.flash_size) {
8143 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8144 " buf_size (0x%x) > flash_size (0x%x)\n",
8145 offset, buf_size, bp->common.flash_size);
8146 return -EINVAL;
8147 }
8148
8149 /* request access to nvram interface */
8150 rc = bnx2x_acquire_nvram_lock(bp);
8151 if (rc)
8152 return rc;
8153
8154 /* enable access to nvram interface */
8155 bnx2x_enable_nvram_access(bp);
8156
8157 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8158 align_offset = (offset & ~0x03);
8159 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8160
8161 if (rc == 0) {
8162 val &= ~(0xff << BYTE_OFFSET(offset));
8163 val |= (*data_buf << BYTE_OFFSET(offset));
8164
8165 /* nvram data is returned as an array of bytes
8166 * convert it back to cpu order */
8167 val = be32_to_cpu(val);
8168
8169 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8170 cmd_flags);
8171 }
8172
8173 /* disable access to nvram interface */
8174 bnx2x_disable_nvram_access(bp);
8175 bnx2x_release_nvram_lock(bp);
8176
8177 return rc;
8178 }
8179
8180 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8181 int buf_size)
8182 {
8183 int rc;
8184 u32 cmd_flags;
8185 u32 val;
8186 u32 written_so_far;
8187
8188 if (buf_size == 1) /* ethtool */
8189 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
8190
8191 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8192 DP(BNX2X_MSG_NVM,
8193 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
8194 offset, buf_size);
8195 return -EINVAL;
8196 }
8197
8198 if (offset + buf_size > bp->common.flash_size) {
8199 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8200 " buf_size (0x%x) > flash_size (0x%x)\n",
8201 offset, buf_size, bp->common.flash_size);
8202 return -EINVAL;
8203 }
8204
8205 /* request access to nvram interface */
8206 rc = bnx2x_acquire_nvram_lock(bp);
8207 if (rc)
8208 return rc;
8209
8210 /* enable access to nvram interface */
8211 bnx2x_enable_nvram_access(bp);
8212
8213 written_so_far = 0;
8214 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8215 while ((written_so_far < buf_size) && (rc == 0)) {
8216 if (written_so_far == (buf_size - sizeof(u32)))
8217 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8218 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8219 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8220 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8221 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8222
8223 memcpy(&val, data_buf, 4);
8224
8225 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8226
8227 /* advance to the next dword */
8228 offset += sizeof(u32);
8229 data_buf += sizeof(u32);
8230 written_so_far += sizeof(u32);
8231 cmd_flags = 0;
8232 }
8233
8234 /* disable access to nvram interface */
8235 bnx2x_disable_nvram_access(bp);
8236 bnx2x_release_nvram_lock(bp);
8237
8238 return rc;
8239 }
8240
8241 static int bnx2x_set_eeprom(struct net_device *dev,
8242 struct ethtool_eeprom *eeprom, u8 *eebuf)
8243 {
8244 struct bnx2x *bp = netdev_priv(dev);
8245 int rc;
8246
8247 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8248 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8249 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8250 eeprom->len, eeprom->len);
8251
8252 /* parameters already validated in ethtool_set_eeprom */
8253
8254 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8255 if (eeprom->magic == 0x00504859)
8256 if (bp->port.pmf) {
8257
8258 bnx2x_acquire_phy_lock(bp);
8259 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8260 bp->link_params.ext_phy_config,
8261 (bp->state != BNX2X_STATE_CLOSED),
8262 eebuf, eeprom->len);
8263 if ((bp->state == BNX2X_STATE_OPEN) ||
8264 (bp->state == BNX2X_STATE_DISABLED)) {
8265 rc |= bnx2x_link_reset(&bp->link_params,
8266 &bp->link_vars);
8267 rc |= bnx2x_phy_init(&bp->link_params,
8268 &bp->link_vars);
8269 }
8270 bnx2x_release_phy_lock(bp);
8271
8272 } else /* Only the PMF can access the PHY */
8273 return -EINVAL;
8274 else
8275 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
8276
8277 return rc;
8278 }
8279
8280 static int bnx2x_get_coalesce(struct net_device *dev,
8281 struct ethtool_coalesce *coal)
8282 {
8283 struct bnx2x *bp = netdev_priv(dev);
8284
8285 memset(coal, 0, sizeof(struct ethtool_coalesce));
8286
8287 coal->rx_coalesce_usecs = bp->rx_ticks;
8288 coal->tx_coalesce_usecs = bp->tx_ticks;
8289
8290 return 0;
8291 }
8292
8293 static int bnx2x_set_coalesce(struct net_device *dev,
8294 struct ethtool_coalesce *coal)
8295 {
8296 struct bnx2x *bp = netdev_priv(dev);
8297
8298 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8299 if (bp->rx_ticks > 3000)
8300 bp->rx_ticks = 3000;
8301
8302 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8303 if (bp->tx_ticks > 0x3000)
8304 bp->tx_ticks = 0x3000;
8305
8306 if (netif_running(dev))
8307 bnx2x_update_coalesce(bp);
8308
8309 return 0;
8310 }
8311
8312 static void bnx2x_get_ringparam(struct net_device *dev,
8313 struct ethtool_ringparam *ering)
8314 {
8315 struct bnx2x *bp = netdev_priv(dev);
8316
8317 ering->rx_max_pending = MAX_RX_AVAIL;
8318 ering->rx_mini_max_pending = 0;
8319 ering->rx_jumbo_max_pending = 0;
8320
8321 ering->rx_pending = bp->rx_ring_size;
8322 ering->rx_mini_pending = 0;
8323 ering->rx_jumbo_pending = 0;
8324
8325 ering->tx_max_pending = MAX_TX_AVAIL;
8326 ering->tx_pending = bp->tx_ring_size;
8327 }
8328
8329 static int bnx2x_set_ringparam(struct net_device *dev,
8330 struct ethtool_ringparam *ering)
8331 {
8332 struct bnx2x *bp = netdev_priv(dev);
8333 int rc = 0;
8334
8335 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8336 (ering->tx_pending > MAX_TX_AVAIL) ||
8337 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8338 return -EINVAL;
8339
8340 bp->rx_ring_size = ering->rx_pending;
8341 bp->tx_ring_size = ering->tx_pending;
8342
8343 if (netif_running(dev)) {
8344 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8345 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8346 }
8347
8348 return rc;
8349 }
8350
8351 static void bnx2x_get_pauseparam(struct net_device *dev,
8352 struct ethtool_pauseparam *epause)
8353 {
8354 struct bnx2x *bp = netdev_priv(dev);
8355
8356 epause->autoneg = (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
8357 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8358
8359 epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
8360 BNX2X_FLOW_CTRL_RX);
8361 epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
8362 BNX2X_FLOW_CTRL_TX);
8363
8364 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8365 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8366 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8367 }
8368
8369 static int bnx2x_set_pauseparam(struct net_device *dev,
8370 struct ethtool_pauseparam *epause)
8371 {
8372 struct bnx2x *bp = netdev_priv(dev);
8373
8374 if (IS_E1HMF(bp))
8375 return 0;
8376
8377 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8378 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8379 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8380
8381 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
8382
8383 if (epause->rx_pause)
8384 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX;
8385
8386 if (epause->tx_pause)
8387 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX;
8388
8389 if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
8390 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
8391
8392 if (epause->autoneg) {
8393 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
8394 DP(NETIF_MSG_LINK, "autoneg not supported\n");
8395 return -EINVAL;
8396 }
8397
8398 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8399 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
8400 }
8401
8402 DP(NETIF_MSG_LINK,
8403 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8404
8405 if (netif_running(dev)) {
8406 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8407 bnx2x_link_set(bp);
8408 }
8409
8410 return 0;
8411 }
8412
8413 static int bnx2x_set_flags(struct net_device *dev, u32 data)
8414 {
8415 struct bnx2x *bp = netdev_priv(dev);
8416 int changed = 0;
8417 int rc = 0;
8418
8419 /* TPA requires Rx CSUM offloading */
8420 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8421 if (!(dev->features & NETIF_F_LRO)) {
8422 dev->features |= NETIF_F_LRO;
8423 bp->flags |= TPA_ENABLE_FLAG;
8424 changed = 1;
8425 }
8426
8427 } else if (dev->features & NETIF_F_LRO) {
8428 dev->features &= ~NETIF_F_LRO;
8429 bp->flags &= ~TPA_ENABLE_FLAG;
8430 changed = 1;
8431 }
8432
8433 if (changed && netif_running(dev)) {
8434 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8435 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8436 }
8437
8438 return rc;
8439 }
8440
8441 static u32 bnx2x_get_rx_csum(struct net_device *dev)
8442 {
8443 struct bnx2x *bp = netdev_priv(dev);
8444
8445 return bp->rx_csum;
8446 }
8447
8448 static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8449 {
8450 struct bnx2x *bp = netdev_priv(dev);
8451 int rc = 0;
8452
8453 bp->rx_csum = data;
8454
8455 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8456 TPA'ed packets will be discarded due to wrong TCP CSUM */
8457 if (!data) {
8458 u32 flags = ethtool_op_get_flags(dev);
8459
8460 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8461 }
8462
8463 return rc;
8464 }
8465
8466 static int bnx2x_set_tso(struct net_device *dev, u32 data)
8467 {
8468 if (data) {
8469 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
8470 dev->features |= NETIF_F_TSO6;
8471 } else {
8472 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
8473 dev->features &= ~NETIF_F_TSO6;
8474 }
8475
8476 return 0;
8477 }
8478
8479 static const struct {
8480 char string[ETH_GSTRING_LEN];
8481 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
8482 { "register_test (offline)" },
8483 { "memory_test (offline)" },
8484 { "loopback_test (offline)" },
8485 { "nvram_test (online)" },
8486 { "interrupt_test (online)" },
8487 { "link_test (online)" },
8488 { "idle check (online)" },
8489 { "MC errors (online)" }
8490 };
8491
8492 static int bnx2x_self_test_count(struct net_device *dev)
8493 {
8494 return BNX2X_NUM_TESTS;
8495 }
8496
8497 static int bnx2x_test_registers(struct bnx2x *bp)
8498 {
8499 int idx, i, rc = -ENODEV;
8500 u32 wr_val = 0;
8501 int port = BP_PORT(bp);
8502 static const struct {
8503 u32 offset0;
8504 u32 offset1;
8505 u32 mask;
8506 } reg_tbl[] = {
8507 /* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8508 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8509 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8510 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8511 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8512 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8513 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8514 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8515 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8516 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8517 /* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8518 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8519 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8520 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8521 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8522 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8523 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8524 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8525 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8526 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8527 /* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8528 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8529 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8530 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8531 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8532 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8533 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8534 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8535 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8536 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8537 /* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8538 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8539 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8540 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8541 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8542 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8543 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8544 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8545
8546 { 0xffffffff, 0, 0x00000000 }
8547 };
8548
8549 if (!netif_running(bp->dev))
8550 return rc;
8551
8552 /* Repeat the test twice:
8553 First by writing 0x00000000, second by writing 0xffffffff */
8554 for (idx = 0; idx < 2; idx++) {
8555
8556 switch (idx) {
8557 case 0:
8558 wr_val = 0;
8559 break;
8560 case 1:
8561 wr_val = 0xffffffff;
8562 break;
8563 }
8564
8565 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8566 u32 offset, mask, save_val, val;
8567
8568 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8569 mask = reg_tbl[i].mask;
8570
8571 save_val = REG_RD(bp, offset);
8572
8573 REG_WR(bp, offset, wr_val);
8574 val = REG_RD(bp, offset);
8575
8576 /* Restore the original register's value */
8577 REG_WR(bp, offset, save_val);
8578
8579 /* verify that value is as expected value */
8580 if ((val & mask) != (wr_val & mask))
8581 goto test_reg_exit;
8582 }
8583 }
8584
8585 rc = 0;
8586
8587 test_reg_exit:
8588 return rc;
8589 }
8590
8591 static int bnx2x_test_memory(struct bnx2x *bp)
8592 {
8593 int i, j, rc = -ENODEV;
8594 u32 val;
8595 static const struct {
8596 u32 offset;
8597 int size;
8598 } mem_tbl[] = {
8599 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8600 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8601 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8602 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8603 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8604 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8605 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8606
8607 { 0xffffffff, 0 }
8608 };
8609 static const struct {
8610 char *name;
8611 u32 offset;
8612 u32 e1_mask;
8613 u32 e1h_mask;
8614 } prty_tbl[] = {
8615 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8616 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8617 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8618 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8619 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8620 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
8621
8622 { NULL, 0xffffffff, 0, 0 }
8623 };
8624
8625 if (!netif_running(bp->dev))
8626 return rc;
8627
8628 /* Go through all the memories */
8629 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8630 for (j = 0; j < mem_tbl[i].size; j++)
8631 REG_RD(bp, mem_tbl[i].offset + j*4);
8632
8633 /* Check the parity status */
8634 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8635 val = REG_RD(bp, prty_tbl[i].offset);
8636 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8637 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
8638 DP(NETIF_MSG_HW,
8639 "%s is 0x%x\n", prty_tbl[i].name, val);
8640 goto test_mem_exit;
8641 }
8642 }
8643
8644 rc = 0;
8645
8646 test_mem_exit:
8647 return rc;
8648 }
8649
8650 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8651 {
8652 int cnt = 1000;
8653
8654 if (link_up)
8655 while (bnx2x_link_test(bp) && cnt--)
8656 msleep(10);
8657 }
8658
8659 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8660 {
8661 unsigned int pkt_size, num_pkts, i;
8662 struct sk_buff *skb;
8663 unsigned char *packet;
8664 struct bnx2x_fastpath *fp = &bp->fp[0];
8665 u16 tx_start_idx, tx_idx;
8666 u16 rx_start_idx, rx_idx;
8667 u16 pkt_prod;
8668 struct sw_tx_bd *tx_buf;
8669 struct eth_tx_bd *tx_bd;
8670 dma_addr_t mapping;
8671 union eth_rx_cqe *cqe;
8672 u8 cqe_fp_flags;
8673 struct sw_rx_bd *rx_buf;
8674 u16 len;
8675 int rc = -ENODEV;
8676
8677 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8678 bp->link_params.loopback_mode = LOOPBACK_BMAC;
8679 bnx2x_acquire_phy_lock(bp);
8680 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8681 bnx2x_release_phy_lock(bp);
8682
8683 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8684 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
8685 bnx2x_acquire_phy_lock(bp);
8686 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8687 bnx2x_release_phy_lock(bp);
8688 /* wait until link state is restored */
8689 bnx2x_wait_for_link(bp, link_up);
8690
8691 } else
8692 return -EINVAL;
8693
8694 pkt_size = 1514;
8695 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8696 if (!skb) {
8697 rc = -ENOMEM;
8698 goto test_loopback_exit;
8699 }
8700 packet = skb_put(skb, pkt_size);
8701 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8702 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8703 for (i = ETH_HLEN; i < pkt_size; i++)
8704 packet[i] = (unsigned char) (i & 0xff);
8705
8706 num_pkts = 0;
8707 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8708 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8709
8710 pkt_prod = fp->tx_pkt_prod++;
8711 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8712 tx_buf->first_bd = fp->tx_bd_prod;
8713 tx_buf->skb = skb;
8714
8715 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8716 mapping = pci_map_single(bp->pdev, skb->data,
8717 skb_headlen(skb), PCI_DMA_TODEVICE);
8718 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8719 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8720 tx_bd->nbd = cpu_to_le16(1);
8721 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8722 tx_bd->vlan = cpu_to_le16(pkt_prod);
8723 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8724 ETH_TX_BD_FLAGS_END_BD);
8725 tx_bd->general_data = ((UNICAST_ADDRESS <<
8726 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8727
8728 fp->hw_tx_prods->bds_prod =
8729 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8730 mb(); /* FW restriction: must not reorder writing nbd and packets */
8731 fp->hw_tx_prods->packets_prod =
8732 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8733 DOORBELL(bp, FP_IDX(fp), 0);
8734
8735 mmiowb();
8736
8737 num_pkts++;
8738 fp->tx_bd_prod++;
8739 bp->dev->trans_start = jiffies;
8740
8741 udelay(100);
8742
8743 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8744 if (tx_idx != tx_start_idx + num_pkts)
8745 goto test_loopback_exit;
8746
8747 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8748 if (rx_idx != rx_start_idx + num_pkts)
8749 goto test_loopback_exit;
8750
8751 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8752 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8753 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8754 goto test_loopback_rx_exit;
8755
8756 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8757 if (len != pkt_size)
8758 goto test_loopback_rx_exit;
8759
8760 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8761 skb = rx_buf->skb;
8762 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8763 for (i = ETH_HLEN; i < pkt_size; i++)
8764 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8765 goto test_loopback_rx_exit;
8766
8767 rc = 0;
8768
8769 test_loopback_rx_exit:
8770
8771 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8772 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8773 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8774 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8775
8776 /* Update producers */
8777 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8778 fp->rx_sge_prod);
8779 mmiowb(); /* keep prod updates ordered */
8780
8781 test_loopback_exit:
8782 bp->link_params.loopback_mode = LOOPBACK_NONE;
8783
8784 return rc;
8785 }
8786
8787 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8788 {
8789 int rc = 0;
8790
8791 if (!netif_running(bp->dev))
8792 return BNX2X_LOOPBACK_FAILED;
8793
8794 bnx2x_netif_stop(bp, 1);
8795
8796 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8797 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8798 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8799 }
8800
8801 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8802 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8803 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8804 }
8805
8806 bnx2x_netif_start(bp);
8807
8808 return rc;
8809 }
8810
8811 #define CRC32_RESIDUAL 0xdebb20e3
8812
8813 static int bnx2x_test_nvram(struct bnx2x *bp)
8814 {
8815 static const struct {
8816 int offset;
8817 int size;
8818 } nvram_tbl[] = {
8819 { 0, 0x14 }, /* bootstrap */
8820 { 0x14, 0xec }, /* dir */
8821 { 0x100, 0x350 }, /* manuf_info */
8822 { 0x450, 0xf0 }, /* feature_info */
8823 { 0x640, 0x64 }, /* upgrade_key_info */
8824 { 0x6a4, 0x64 },
8825 { 0x708, 0x70 }, /* manuf_key_info */
8826 { 0x778, 0x70 },
8827 { 0, 0 }
8828 };
8829 u32 buf[0x350 / 4];
8830 u8 *data = (u8 *)buf;
8831 int i, rc;
8832 u32 magic, csum;
8833
8834 rc = bnx2x_nvram_read(bp, 0, data, 4);
8835 if (rc) {
8836 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8837 goto test_nvram_exit;
8838 }
8839
8840 magic = be32_to_cpu(buf[0]);
8841 if (magic != 0x669955aa) {
8842 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8843 rc = -ENODEV;
8844 goto test_nvram_exit;
8845 }
8846
8847 for (i = 0; nvram_tbl[i].size; i++) {
8848
8849 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8850 nvram_tbl[i].size);
8851 if (rc) {
8852 DP(NETIF_MSG_PROBE,
8853 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8854 goto test_nvram_exit;
8855 }
8856
8857 csum = ether_crc_le(nvram_tbl[i].size, data);
8858 if (csum != CRC32_RESIDUAL) {
8859 DP(NETIF_MSG_PROBE,
8860 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8861 rc = -ENODEV;
8862 goto test_nvram_exit;
8863 }
8864 }
8865
8866 test_nvram_exit:
8867 return rc;
8868 }
8869
8870 static int bnx2x_test_intr(struct bnx2x *bp)
8871 {
8872 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8873 int i, rc;
8874
8875 if (!netif_running(bp->dev))
8876 return -ENODEV;
8877
8878 config->hdr.length_6b = 0;
8879 config->hdr.offset = 0;
8880 config->hdr.client_id = BP_CL_ID(bp);
8881 config->hdr.reserved1 = 0;
8882
8883 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8884 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8885 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8886 if (rc == 0) {
8887 bp->set_mac_pending++;
8888 for (i = 0; i < 10; i++) {
8889 if (!bp->set_mac_pending)
8890 break;
8891 msleep_interruptible(10);
8892 }
8893 if (i == 10)
8894 rc = -ENODEV;
8895 }
8896
8897 return rc;
8898 }
8899
8900 static void bnx2x_self_test(struct net_device *dev,
8901 struct ethtool_test *etest, u64 *buf)
8902 {
8903 struct bnx2x *bp = netdev_priv(dev);
8904
8905 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8906
8907 if (!netif_running(dev))
8908 return;
8909
8910 /* offline tests are not supported in MF mode */
8911 if (IS_E1HMF(bp))
8912 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8913
8914 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8915 u8 link_up;
8916
8917 link_up = bp->link_vars.link_up;
8918 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8919 bnx2x_nic_load(bp, LOAD_DIAG);
8920 /* wait until link state is restored */
8921 bnx2x_wait_for_link(bp, link_up);
8922
8923 if (bnx2x_test_registers(bp) != 0) {
8924 buf[0] = 1;
8925 etest->flags |= ETH_TEST_FL_FAILED;
8926 }
8927 if (bnx2x_test_memory(bp) != 0) {
8928 buf[1] = 1;
8929 etest->flags |= ETH_TEST_FL_FAILED;
8930 }
8931 buf[2] = bnx2x_test_loopback(bp, link_up);
8932 if (buf[2] != 0)
8933 etest->flags |= ETH_TEST_FL_FAILED;
8934
8935 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8936 bnx2x_nic_load(bp, LOAD_NORMAL);
8937 /* wait until link state is restored */
8938 bnx2x_wait_for_link(bp, link_up);
8939 }
8940 if (bnx2x_test_nvram(bp) != 0) {
8941 buf[3] = 1;
8942 etest->flags |= ETH_TEST_FL_FAILED;
8943 }
8944 if (bnx2x_test_intr(bp) != 0) {
8945 buf[4] = 1;
8946 etest->flags |= ETH_TEST_FL_FAILED;
8947 }
8948 if (bp->port.pmf)
8949 if (bnx2x_link_test(bp) != 0) {
8950 buf[5] = 1;
8951 etest->flags |= ETH_TEST_FL_FAILED;
8952 }
8953 buf[7] = bnx2x_mc_assert(bp);
8954 if (buf[7] != 0)
8955 etest->flags |= ETH_TEST_FL_FAILED;
8956
8957 #ifdef BNX2X_EXTRA_DEBUG
8958 bnx2x_panic_dump(bp);
8959 #endif
8960 }
8961
8962 static const struct {
8963 long offset;
8964 int size;
8965 u32 flags;
8966 #define STATS_FLAGS_PORT 1
8967 #define STATS_FLAGS_FUNC 2
8968 u8 string[ETH_GSTRING_LEN];
8969 } bnx2x_stats_arr[BNX2X_NUM_STATS] = {
8970 /* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8971 8, STATS_FLAGS_FUNC, "rx_bytes" },
8972 { STATS_OFFSET32(error_bytes_received_hi),
8973 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8974 { STATS_OFFSET32(total_bytes_transmitted_hi),
8975 8, STATS_FLAGS_FUNC, "tx_bytes" },
8976 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8977 8, STATS_FLAGS_PORT, "tx_error_bytes" },
8978 { STATS_OFFSET32(total_unicast_packets_received_hi),
8979 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
8980 { STATS_OFFSET32(total_multicast_packets_received_hi),
8981 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
8982 { STATS_OFFSET32(total_broadcast_packets_received_hi),
8983 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
8984 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
8985 8, STATS_FLAGS_FUNC, "tx_packets" },
8986 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
8987 8, STATS_FLAGS_PORT, "tx_mac_errors" },
8988 /* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
8989 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
8990 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
8991 8, STATS_FLAGS_PORT, "rx_crc_errors" },
8992 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
8993 8, STATS_FLAGS_PORT, "rx_align_errors" },
8994 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
8995 8, STATS_FLAGS_PORT, "tx_single_collisions" },
8996 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
8997 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
8998 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
8999 8, STATS_FLAGS_PORT, "tx_deferred" },
9000 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
9001 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
9002 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
9003 8, STATS_FLAGS_PORT, "tx_late_collisions" },
9004 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
9005 8, STATS_FLAGS_PORT, "tx_total_collisions" },
9006 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
9007 8, STATS_FLAGS_PORT, "rx_fragments" },
9008 /* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9009 8, STATS_FLAGS_PORT, "rx_jabbers" },
9010 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
9011 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
9012 { STATS_OFFSET32(jabber_packets_received),
9013 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
9014 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
9015 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
9016 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
9017 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
9018 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
9019 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
9020 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
9021 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
9022 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
9023 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
9024 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
9025 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
9026 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
9027 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
9028 /* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
9029 8, STATS_FLAGS_PORT, "rx_xon_frames" },
9030 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
9031 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9032 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9033 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9034 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9035 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
9036 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
9037 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9038 { STATS_OFFSET32(mac_filter_discard),
9039 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9040 { STATS_OFFSET32(no_buff_discard),
9041 4, STATS_FLAGS_FUNC, "rx_discards" },
9042 { STATS_OFFSET32(xxoverflow_discard),
9043 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9044 { STATS_OFFSET32(brb_drop_hi),
9045 8, STATS_FLAGS_PORT, "brb_discard" },
9046 { STATS_OFFSET32(brb_truncate_hi),
9047 8, STATS_FLAGS_PORT, "brb_truncate" },
9048 /* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9049 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9050 { STATS_OFFSET32(rx_skb_alloc_failed),
9051 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9052 /* 42 */{ STATS_OFFSET32(hw_csum_err),
9053 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
9054 };
9055
9056 #define IS_NOT_E1HMF_STAT(bp, i) \
9057 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9058
9059 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9060 {
9061 struct bnx2x *bp = netdev_priv(dev);
9062 int i, j;
9063
9064 switch (stringset) {
9065 case ETH_SS_STATS:
9066 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9067 if (IS_NOT_E1HMF_STAT(bp, i))
9068 continue;
9069 strcpy(buf + j*ETH_GSTRING_LEN,
9070 bnx2x_stats_arr[i].string);
9071 j++;
9072 }
9073 break;
9074
9075 case ETH_SS_TEST:
9076 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9077 break;
9078 }
9079 }
9080
9081 static int bnx2x_get_stats_count(struct net_device *dev)
9082 {
9083 struct bnx2x *bp = netdev_priv(dev);
9084 int i, num_stats = 0;
9085
9086 for (i = 0; i < BNX2X_NUM_STATS; i++) {
9087 if (IS_NOT_E1HMF_STAT(bp, i))
9088 continue;
9089 num_stats++;
9090 }
9091 return num_stats;
9092 }
9093
9094 static void bnx2x_get_ethtool_stats(struct net_device *dev,
9095 struct ethtool_stats *stats, u64 *buf)
9096 {
9097 struct bnx2x *bp = netdev_priv(dev);
9098 u32 *hw_stats = (u32 *)&bp->eth_stats;
9099 int i, j;
9100
9101 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9102 if (IS_NOT_E1HMF_STAT(bp, i))
9103 continue;
9104
9105 if (bnx2x_stats_arr[i].size == 0) {
9106 /* skip this counter */
9107 buf[j] = 0;
9108 j++;
9109 continue;
9110 }
9111 if (bnx2x_stats_arr[i].size == 4) {
9112 /* 4-byte counter */
9113 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9114 j++;
9115 continue;
9116 }
9117 /* 8-byte counter */
9118 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9119 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9120 j++;
9121 }
9122 }
9123
9124 static int bnx2x_phys_id(struct net_device *dev, u32 data)
9125 {
9126 struct bnx2x *bp = netdev_priv(dev);
9127 int port = BP_PORT(bp);
9128 int i;
9129
9130 if (!netif_running(dev))
9131 return 0;
9132
9133 if (!bp->port.pmf)
9134 return 0;
9135
9136 if (data == 0)
9137 data = 2;
9138
9139 for (i = 0; i < (data * 2); i++) {
9140 if ((i % 2) == 0)
9141 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
9142 bp->link_params.hw_led_mode,
9143 bp->link_params.chip_id);
9144 else
9145 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
9146 bp->link_params.hw_led_mode,
9147 bp->link_params.chip_id);
9148
9149 msleep_interruptible(500);
9150 if (signal_pending(current))
9151 break;
9152 }
9153
9154 if (bp->link_vars.link_up)
9155 bnx2x_set_led(bp, port, LED_MODE_OPER,
9156 bp->link_vars.line_speed,
9157 bp->link_params.hw_led_mode,
9158 bp->link_params.chip_id);
9159
9160 return 0;
9161 }
9162
9163 static struct ethtool_ops bnx2x_ethtool_ops = {
9164 .get_settings = bnx2x_get_settings,
9165 .set_settings = bnx2x_set_settings,
9166 .get_drvinfo = bnx2x_get_drvinfo,
9167 .get_wol = bnx2x_get_wol,
9168 .set_wol = bnx2x_set_wol,
9169 .get_msglevel = bnx2x_get_msglevel,
9170 .set_msglevel = bnx2x_set_msglevel,
9171 .nway_reset = bnx2x_nway_reset,
9172 .get_link = ethtool_op_get_link,
9173 .get_eeprom_len = bnx2x_get_eeprom_len,
9174 .get_eeprom = bnx2x_get_eeprom,
9175 .set_eeprom = bnx2x_set_eeprom,
9176 .get_coalesce = bnx2x_get_coalesce,
9177 .set_coalesce = bnx2x_set_coalesce,
9178 .get_ringparam = bnx2x_get_ringparam,
9179 .set_ringparam = bnx2x_set_ringparam,
9180 .get_pauseparam = bnx2x_get_pauseparam,
9181 .set_pauseparam = bnx2x_set_pauseparam,
9182 .get_rx_csum = bnx2x_get_rx_csum,
9183 .set_rx_csum = bnx2x_set_rx_csum,
9184 .get_tx_csum = ethtool_op_get_tx_csum,
9185 .set_tx_csum = ethtool_op_set_tx_hw_csum,
9186 .set_flags = bnx2x_set_flags,
9187 .get_flags = ethtool_op_get_flags,
9188 .get_sg = ethtool_op_get_sg,
9189 .set_sg = ethtool_op_set_sg,
9190 .get_tso = ethtool_op_get_tso,
9191 .set_tso = bnx2x_set_tso,
9192 .self_test_count = bnx2x_self_test_count,
9193 .self_test = bnx2x_self_test,
9194 .get_strings = bnx2x_get_strings,
9195 .phys_id = bnx2x_phys_id,
9196 .get_stats_count = bnx2x_get_stats_count,
9197 .get_ethtool_stats = bnx2x_get_ethtool_stats,
9198 };
9199
9200 /* end of ethtool_ops */
9201
9202 /****************************************************************************
9203 * General service functions
9204 ****************************************************************************/
9205
9206 static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9207 {
9208 u16 pmcsr;
9209
9210 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9211
9212 switch (state) {
9213 case PCI_D0:
9214 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9215 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9216 PCI_PM_CTRL_PME_STATUS));
9217
9218 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9219 /* delay required during transition out of D3hot */
9220 msleep(20);
9221 break;
9222
9223 case PCI_D3hot:
9224 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9225 pmcsr |= 3;
9226
9227 if (bp->wol)
9228 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9229
9230 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9231 pmcsr);
9232
9233 /* No more memory access after this point until
9234 * device is brought back to D0.
9235 */
9236 break;
9237
9238 default:
9239 return -EINVAL;
9240 }
9241 return 0;
9242 }
9243
9244 /*
9245 * net_device service functions
9246 */
9247
9248 static int bnx2x_poll(struct napi_struct *napi, int budget)
9249 {
9250 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9251 napi);
9252 struct bnx2x *bp = fp->bp;
9253 int work_done = 0;
9254 u16 rx_cons_sb;
9255
9256 #ifdef BNX2X_STOP_ON_ERROR
9257 if (unlikely(bp->panic))
9258 goto poll_panic;
9259 #endif
9260
9261 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9262 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9263 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9264
9265 bnx2x_update_fpsb_idx(fp);
9266
9267 if (BNX2X_HAS_TX_WORK(fp))
9268 bnx2x_tx_int(fp, budget);
9269
9270 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9271 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9272 rx_cons_sb++;
9273 if (BNX2X_HAS_RX_WORK(fp))
9274 work_done = bnx2x_rx_int(fp, budget);
9275
9276 rmb(); /* BNX2X_HAS_WORK() reads the status block */
9277 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9278 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9279 rx_cons_sb++;
9280
9281 /* must not complete if we consumed full budget */
9282 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
9283
9284 #ifdef BNX2X_STOP_ON_ERROR
9285 poll_panic:
9286 #endif
9287 netif_rx_complete(bp->dev, napi);
9288
9289 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
9290 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9291 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
9292 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9293 }
9294 return work_done;
9295 }
9296
9297
9298 /* we split the first BD into headers and data BDs
9299 * to ease the pain of our fellow microcode engineers
9300 * we use one mapping for both BDs
9301 * So far this has only been observed to happen
9302 * in Other Operating Systems(TM)
9303 */
9304 static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9305 struct bnx2x_fastpath *fp,
9306 struct eth_tx_bd **tx_bd, u16 hlen,
9307 u16 bd_prod, int nbd)
9308 {
9309 struct eth_tx_bd *h_tx_bd = *tx_bd;
9310 struct eth_tx_bd *d_tx_bd;
9311 dma_addr_t mapping;
9312 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9313
9314 /* first fix first BD */
9315 h_tx_bd->nbd = cpu_to_le16(nbd);
9316 h_tx_bd->nbytes = cpu_to_le16(hlen);
9317
9318 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9319 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9320 h_tx_bd->addr_lo, h_tx_bd->nbd);
9321
9322 /* now get a new data BD
9323 * (after the pbd) and fill it */
9324 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9325 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9326
9327 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9328 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9329
9330 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9331 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9332 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9333 d_tx_bd->vlan = 0;
9334 /* this marks the BD as one that has no individual mapping
9335 * the FW ignores this flag in a BD not marked start
9336 */
9337 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9338 DP(NETIF_MSG_TX_QUEUED,
9339 "TSO split data size is %d (%x:%x)\n",
9340 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9341
9342 /* update tx_bd for marking the last BD flag */
9343 *tx_bd = d_tx_bd;
9344
9345 return bd_prod;
9346 }
9347
9348 static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9349 {
9350 if (fix > 0)
9351 csum = (u16) ~csum_fold(csum_sub(csum,
9352 csum_partial(t_header - fix, fix, 0)));
9353
9354 else if (fix < 0)
9355 csum = (u16) ~csum_fold(csum_add(csum,
9356 csum_partial(t_header, -fix, 0)));
9357
9358 return swab16(csum);
9359 }
9360
9361 static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9362 {
9363 u32 rc;
9364
9365 if (skb->ip_summed != CHECKSUM_PARTIAL)
9366 rc = XMIT_PLAIN;
9367
9368 else {
9369 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9370 rc = XMIT_CSUM_V6;
9371 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9372 rc |= XMIT_CSUM_TCP;
9373
9374 } else {
9375 rc = XMIT_CSUM_V4;
9376 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9377 rc |= XMIT_CSUM_TCP;
9378 }
9379 }
9380
9381 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9382 rc |= XMIT_GSO_V4;
9383
9384 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9385 rc |= XMIT_GSO_V6;
9386
9387 return rc;
9388 }
9389
9390 /* check if packet requires linearization (packet is too fragmented) */
9391 static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9392 u32 xmit_type)
9393 {
9394 int to_copy = 0;
9395 int hlen = 0;
9396 int first_bd_sz = 0;
9397
9398 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9399 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9400
9401 if (xmit_type & XMIT_GSO) {
9402 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9403 /* Check if LSO packet needs to be copied:
9404 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9405 int wnd_size = MAX_FETCH_BD - 3;
9406 /* Number of windows to check */
9407 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9408 int wnd_idx = 0;
9409 int frag_idx = 0;
9410 u32 wnd_sum = 0;
9411
9412 /* Headers length */
9413 hlen = (int)(skb_transport_header(skb) - skb->data) +
9414 tcp_hdrlen(skb);
9415
9416 /* Amount of data (w/o headers) on linear part of SKB*/
9417 first_bd_sz = skb_headlen(skb) - hlen;
9418
9419 wnd_sum = first_bd_sz;
9420
9421 /* Calculate the first sum - it's special */
9422 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9423 wnd_sum +=
9424 skb_shinfo(skb)->frags[frag_idx].size;
9425
9426 /* If there was data on linear skb data - check it */
9427 if (first_bd_sz > 0) {
9428 if (unlikely(wnd_sum < lso_mss)) {
9429 to_copy = 1;
9430 goto exit_lbl;
9431 }
9432
9433 wnd_sum -= first_bd_sz;
9434 }
9435
9436 /* Others are easier: run through the frag list and
9437 check all windows */
9438 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9439 wnd_sum +=
9440 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9441
9442 if (unlikely(wnd_sum < lso_mss)) {
9443 to_copy = 1;
9444 break;
9445 }
9446 wnd_sum -=
9447 skb_shinfo(skb)->frags[wnd_idx].size;
9448 }
9449
9450 } else {
9451 /* in non-LSO too fragmented packet should always
9452 be linearized */
9453 to_copy = 1;
9454 }
9455 }
9456
9457 exit_lbl:
9458 if (unlikely(to_copy))
9459 DP(NETIF_MSG_TX_QUEUED,
9460 "Linearization IS REQUIRED for %s packet. "
9461 "num_frags %d hlen %d first_bd_sz %d\n",
9462 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9463 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9464
9465 return to_copy;
9466 }
9467
9468 /* called with netif_tx_lock
9469 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
9470 * netif_wake_queue()
9471 */
9472 static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9473 {
9474 struct bnx2x *bp = netdev_priv(dev);
9475 struct bnx2x_fastpath *fp;
9476 struct sw_tx_bd *tx_buf;
9477 struct eth_tx_bd *tx_bd;
9478 struct eth_tx_parse_bd *pbd = NULL;
9479 u16 pkt_prod, bd_prod;
9480 int nbd, fp_index;
9481 dma_addr_t mapping;
9482 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9483 int vlan_off = (bp->e1hov ? 4 : 0);
9484 int i;
9485 u8 hlen = 0;
9486
9487 #ifdef BNX2X_STOP_ON_ERROR
9488 if (unlikely(bp->panic))
9489 return NETDEV_TX_BUSY;
9490 #endif
9491
9492 fp_index = (smp_processor_id() % bp->num_queues);
9493 fp = &bp->fp[fp_index];
9494
9495 if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
9496 bp->eth_stats.driver_xoff++,
9497 netif_stop_queue(dev);
9498 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9499 return NETDEV_TX_BUSY;
9500 }
9501
9502 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9503 " gso type %x xmit_type %x\n",
9504 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9505 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9506
9507 /* First, check if we need to linearize the skb
9508 (due to FW restrictions) */
9509 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9510 /* Statistics of linearization */
9511 bp->lin_cnt++;
9512 if (skb_linearize(skb) != 0) {
9513 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9514 "silently dropping this SKB\n");
9515 dev_kfree_skb_any(skb);
9516 return NETDEV_TX_OK;
9517 }
9518 }
9519
9520 /*
9521 Please read carefully. First we use one BD which we mark as start,
9522 then for TSO or xsum we have a parsing info BD,
9523 and only then we have the rest of the TSO BDs.
9524 (don't forget to mark the last one as last,
9525 and to unmap only AFTER you write to the BD ...)
9526 And above all, all pdb sizes are in words - NOT DWORDS!
9527 */
9528
9529 pkt_prod = fp->tx_pkt_prod++;
9530 bd_prod = TX_BD(fp->tx_bd_prod);
9531
9532 /* get a tx_buf and first BD */
9533 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9534 tx_bd = &fp->tx_desc_ring[bd_prod];
9535
9536 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9537 tx_bd->general_data = (UNICAST_ADDRESS <<
9538 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9539 /* header nbd */
9540 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
9541
9542 /* remember the first BD of the packet */
9543 tx_buf->first_bd = fp->tx_bd_prod;
9544 tx_buf->skb = skb;
9545
9546 DP(NETIF_MSG_TX_QUEUED,
9547 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9548 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9549
9550 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9551 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9552 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
9553 vlan_off += 4;
9554 } else
9555 tx_bd->vlan = cpu_to_le16(pkt_prod);
9556
9557 if (xmit_type) {
9558 /* turn on parsing and get a BD */
9559 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9560 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9561
9562 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9563 }
9564
9565 if (xmit_type & XMIT_CSUM) {
9566 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9567
9568 /* for now NS flag is not used in Linux */
9569 pbd->global_data = (hlen |
9570 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9571 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9572
9573 pbd->ip_hlen = (skb_transport_header(skb) -
9574 skb_network_header(skb)) / 2;
9575
9576 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9577
9578 pbd->total_hlen = cpu_to_le16(hlen);
9579 hlen = hlen*2 - vlan_off;
9580
9581 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9582
9583 if (xmit_type & XMIT_CSUM_V4)
9584 tx_bd->bd_flags.as_bitfield |=
9585 ETH_TX_BD_FLAGS_IP_CSUM;
9586 else
9587 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9588
9589 if (xmit_type & XMIT_CSUM_TCP) {
9590 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9591
9592 } else {
9593 s8 fix = SKB_CS_OFF(skb); /* signed! */
9594
9595 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9596 pbd->cs_offset = fix / 2;
9597
9598 DP(NETIF_MSG_TX_QUEUED,
9599 "hlen %d offset %d fix %d csum before fix %x\n",
9600 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9601 SKB_CS(skb));
9602
9603 /* HW bug: fixup the CSUM */
9604 pbd->tcp_pseudo_csum =
9605 bnx2x_csum_fix(skb_transport_header(skb),
9606 SKB_CS(skb), fix);
9607
9608 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9609 pbd->tcp_pseudo_csum);
9610 }
9611 }
9612
9613 mapping = pci_map_single(bp->pdev, skb->data,
9614 skb_headlen(skb), PCI_DMA_TODEVICE);
9615
9616 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9617 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9618 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
9619 tx_bd->nbd = cpu_to_le16(nbd);
9620 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9621
9622 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
9623 " nbytes %d flags %x vlan %x\n",
9624 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9625 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9626 le16_to_cpu(tx_bd->vlan));
9627
9628 if (xmit_type & XMIT_GSO) {
9629
9630 DP(NETIF_MSG_TX_QUEUED,
9631 "TSO packet len %d hlen %d total len %d tso size %d\n",
9632 skb->len, hlen, skb_headlen(skb),
9633 skb_shinfo(skb)->gso_size);
9634
9635 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9636
9637 if (unlikely(skb_headlen(skb) > hlen))
9638 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9639 bd_prod, ++nbd);
9640
9641 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9642 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
9643 pbd->tcp_flags = pbd_tcp_flags(skb);
9644
9645 if (xmit_type & XMIT_GSO_V4) {
9646 pbd->ip_id = swab16(ip_hdr(skb)->id);
9647 pbd->tcp_pseudo_csum =
9648 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9649 ip_hdr(skb)->daddr,
9650 0, IPPROTO_TCP, 0));
9651
9652 } else
9653 pbd->tcp_pseudo_csum =
9654 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9655 &ipv6_hdr(skb)->daddr,
9656 0, IPPROTO_TCP, 0));
9657
9658 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9659 }
9660
9661 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9662 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
9663
9664 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9665 tx_bd = &fp->tx_desc_ring[bd_prod];
9666
9667 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9668 frag->size, PCI_DMA_TODEVICE);
9669
9670 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9671 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9672 tx_bd->nbytes = cpu_to_le16(frag->size);
9673 tx_bd->vlan = cpu_to_le16(pkt_prod);
9674 tx_bd->bd_flags.as_bitfield = 0;
9675
9676 DP(NETIF_MSG_TX_QUEUED,
9677 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9678 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9679 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
9680 }
9681
9682 /* now at last mark the BD as the last BD */
9683 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9684
9685 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9686 tx_bd, tx_bd->bd_flags.as_bitfield);
9687
9688 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9689
9690 /* now send a tx doorbell, counting the next BD
9691 * if the packet contains or ends with it
9692 */
9693 if (TX_BD_POFF(bd_prod) < nbd)
9694 nbd++;
9695
9696 if (pbd)
9697 DP(NETIF_MSG_TX_QUEUED,
9698 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9699 " tcp_flags %x xsum %x seq %u hlen %u\n",
9700 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9701 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
9702 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
9703
9704 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
9705
9706 fp->hw_tx_prods->bds_prod =
9707 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
9708 mb(); /* FW restriction: must not reorder writing nbd and packets */
9709 fp->hw_tx_prods->packets_prod =
9710 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
9711 DOORBELL(bp, FP_IDX(fp), 0);
9712
9713 mmiowb();
9714
9715 fp->tx_bd_prod += nbd;
9716 dev->trans_start = jiffies;
9717
9718 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9719 netif_stop_queue(dev);
9720 bp->eth_stats.driver_xoff++;
9721 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9722 netif_wake_queue(dev);
9723 }
9724 fp->tx_pkt++;
9725
9726 return NETDEV_TX_OK;
9727 }
9728
9729 /* called with rtnl_lock */
9730 static int bnx2x_open(struct net_device *dev)
9731 {
9732 struct bnx2x *bp = netdev_priv(dev);
9733
9734 bnx2x_set_power_state(bp, PCI_D0);
9735
9736 return bnx2x_nic_load(bp, LOAD_OPEN);
9737 }
9738
9739 /* called with rtnl_lock */
9740 static int bnx2x_close(struct net_device *dev)
9741 {
9742 struct bnx2x *bp = netdev_priv(dev);
9743
9744 /* Unload the driver, release IRQs */
9745 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9746 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9747 if (!CHIP_REV_IS_SLOW(bp))
9748 bnx2x_set_power_state(bp, PCI_D3hot);
9749
9750 return 0;
9751 }
9752
9753 /* called with netif_tx_lock from set_multicast */
9754 static void bnx2x_set_rx_mode(struct net_device *dev)
9755 {
9756 struct bnx2x *bp = netdev_priv(dev);
9757 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9758 int port = BP_PORT(bp);
9759
9760 if (bp->state != BNX2X_STATE_OPEN) {
9761 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9762 return;
9763 }
9764
9765 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9766
9767 if (dev->flags & IFF_PROMISC)
9768 rx_mode = BNX2X_RX_MODE_PROMISC;
9769
9770 else if ((dev->flags & IFF_ALLMULTI) ||
9771 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9772 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9773
9774 else { /* some multicasts */
9775 if (CHIP_IS_E1(bp)) {
9776 int i, old, offset;
9777 struct dev_mc_list *mclist;
9778 struct mac_configuration_cmd *config =
9779 bnx2x_sp(bp, mcast_config);
9780
9781 for (i = 0, mclist = dev->mc_list;
9782 mclist && (i < dev->mc_count);
9783 i++, mclist = mclist->next) {
9784
9785 config->config_table[i].
9786 cam_entry.msb_mac_addr =
9787 swab16(*(u16 *)&mclist->dmi_addr[0]);
9788 config->config_table[i].
9789 cam_entry.middle_mac_addr =
9790 swab16(*(u16 *)&mclist->dmi_addr[2]);
9791 config->config_table[i].
9792 cam_entry.lsb_mac_addr =
9793 swab16(*(u16 *)&mclist->dmi_addr[4]);
9794 config->config_table[i].cam_entry.flags =
9795 cpu_to_le16(port);
9796 config->config_table[i].
9797 target_table_entry.flags = 0;
9798 config->config_table[i].
9799 target_table_entry.client_id = 0;
9800 config->config_table[i].
9801 target_table_entry.vlan_id = 0;
9802
9803 DP(NETIF_MSG_IFUP,
9804 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9805 config->config_table[i].
9806 cam_entry.msb_mac_addr,
9807 config->config_table[i].
9808 cam_entry.middle_mac_addr,
9809 config->config_table[i].
9810 cam_entry.lsb_mac_addr);
9811 }
9812 old = config->hdr.length_6b;
9813 if (old > i) {
9814 for (; i < old; i++) {
9815 if (CAM_IS_INVALID(config->
9816 config_table[i])) {
9817 i--; /* already invalidated */
9818 break;
9819 }
9820 /* invalidate */
9821 CAM_INVALIDATE(config->
9822 config_table[i]);
9823 }
9824 }
9825
9826 if (CHIP_REV_IS_SLOW(bp))
9827 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9828 else
9829 offset = BNX2X_MAX_MULTICAST*(1 + port);
9830
9831 config->hdr.length_6b = i;
9832 config->hdr.offset = offset;
9833 config->hdr.client_id = BP_CL_ID(bp);
9834 config->hdr.reserved1 = 0;
9835
9836 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9837 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9838 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9839 0);
9840 } else { /* E1H */
9841 /* Accept one or more multicasts */
9842 struct dev_mc_list *mclist;
9843 u32 mc_filter[MC_HASH_SIZE];
9844 u32 crc, bit, regidx;
9845 int i;
9846
9847 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9848
9849 for (i = 0, mclist = dev->mc_list;
9850 mclist && (i < dev->mc_count);
9851 i++, mclist = mclist->next) {
9852
9853 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
9854 mclist->dmi_addr);
9855
9856 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9857 bit = (crc >> 24) & 0xff;
9858 regidx = bit >> 5;
9859 bit &= 0x1f;
9860 mc_filter[regidx] |= (1 << bit);
9861 }
9862
9863 for (i = 0; i < MC_HASH_SIZE; i++)
9864 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9865 mc_filter[i]);
9866 }
9867 }
9868
9869 bp->rx_mode = rx_mode;
9870 bnx2x_set_storm_rx_mode(bp);
9871 }
9872
9873 /* called with rtnl_lock */
9874 static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9875 {
9876 struct sockaddr *addr = p;
9877 struct bnx2x *bp = netdev_priv(dev);
9878
9879 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
9880 return -EINVAL;
9881
9882 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9883 if (netif_running(dev)) {
9884 if (CHIP_IS_E1(bp))
9885 bnx2x_set_mac_addr_e1(bp, 1);
9886 else
9887 bnx2x_set_mac_addr_e1h(bp, 1);
9888 }
9889
9890 return 0;
9891 }
9892
9893 /* called with rtnl_lock */
9894 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9895 {
9896 struct mii_ioctl_data *data = if_mii(ifr);
9897 struct bnx2x *bp = netdev_priv(dev);
9898 int port = BP_PORT(bp);
9899 int err;
9900
9901 switch (cmd) {
9902 case SIOCGMIIPHY:
9903 data->phy_id = bp->port.phy_addr;
9904
9905 /* fallthrough */
9906
9907 case SIOCGMIIREG: {
9908 u16 mii_regval;
9909
9910 if (!netif_running(dev))
9911 return -EAGAIN;
9912
9913 mutex_lock(&bp->port.phy_mutex);
9914 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
9915 DEFAULT_PHY_DEV_ADDR,
9916 (data->reg_num & 0x1f), &mii_regval);
9917 data->val_out = mii_regval;
9918 mutex_unlock(&bp->port.phy_mutex);
9919 return err;
9920 }
9921
9922 case SIOCSMIIREG:
9923 if (!capable(CAP_NET_ADMIN))
9924 return -EPERM;
9925
9926 if (!netif_running(dev))
9927 return -EAGAIN;
9928
9929 mutex_lock(&bp->port.phy_mutex);
9930 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
9931 DEFAULT_PHY_DEV_ADDR,
9932 (data->reg_num & 0x1f), data->val_in);
9933 mutex_unlock(&bp->port.phy_mutex);
9934 return err;
9935
9936 default:
9937 /* do nothing */
9938 break;
9939 }
9940
9941 return -EOPNOTSUPP;
9942 }
9943
9944 /* called with rtnl_lock */
9945 static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9946 {
9947 struct bnx2x *bp = netdev_priv(dev);
9948 int rc = 0;
9949
9950 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9951 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9952 return -EINVAL;
9953
9954 /* This does not race with packet allocation
9955 * because the actual alloc size is
9956 * only updated as part of load
9957 */
9958 dev->mtu = new_mtu;
9959
9960 if (netif_running(dev)) {
9961 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9962 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
9963 }
9964
9965 return rc;
9966 }
9967
9968 static void bnx2x_tx_timeout(struct net_device *dev)
9969 {
9970 struct bnx2x *bp = netdev_priv(dev);
9971
9972 #ifdef BNX2X_STOP_ON_ERROR
9973 if (!bp->panic)
9974 bnx2x_panic();
9975 #endif
9976 /* This allows the netif to be shutdown gracefully before resetting */
9977 schedule_work(&bp->reset_task);
9978 }
9979
9980 #ifdef BCM_VLAN
9981 /* called with rtnl_lock */
9982 static void bnx2x_vlan_rx_register(struct net_device *dev,
9983 struct vlan_group *vlgrp)
9984 {
9985 struct bnx2x *bp = netdev_priv(dev);
9986
9987 bp->vlgrp = vlgrp;
9988 if (netif_running(dev))
9989 bnx2x_set_client_config(bp);
9990 }
9991
9992 #endif
9993
9994 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9995 static void poll_bnx2x(struct net_device *dev)
9996 {
9997 struct bnx2x *bp = netdev_priv(dev);
9998
9999 disable_irq(bp->pdev->irq);
10000 bnx2x_interrupt(bp->pdev->irq, dev);
10001 enable_irq(bp->pdev->irq);
10002 }
10003 #endif
10004
10005 static const struct net_device_ops bnx2x_netdev_ops = {
10006 .ndo_open = bnx2x_open,
10007 .ndo_stop = bnx2x_close,
10008 .ndo_start_xmit = bnx2x_start_xmit,
10009 .ndo_set_multicast_list = bnx2x_set_rx_mode,
10010 .ndo_set_mac_address = bnx2x_change_mac_addr,
10011 .ndo_validate_addr = eth_validate_addr,
10012 .ndo_do_ioctl = bnx2x_ioctl,
10013 .ndo_change_mtu = bnx2x_change_mtu,
10014 .ndo_tx_timeout = bnx2x_tx_timeout,
10015 #ifdef BCM_VLAN
10016 .ndo_vlan_rx_register = bnx2x_vlan_rx_register,
10017 #endif
10018 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10019 .ndo_poll_controller = poll_bnx2x,
10020 #endif
10021 };
10022
10023
10024 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10025 struct net_device *dev)
10026 {
10027 struct bnx2x *bp;
10028 int rc;
10029
10030 SET_NETDEV_DEV(dev, &pdev->dev);
10031 bp = netdev_priv(dev);
10032
10033 bp->dev = dev;
10034 bp->pdev = pdev;
10035 bp->flags = 0;
10036 bp->func = PCI_FUNC(pdev->devfn);
10037
10038 rc = pci_enable_device(pdev);
10039 if (rc) {
10040 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10041 goto err_out;
10042 }
10043
10044 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10045 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10046 " aborting\n");
10047 rc = -ENODEV;
10048 goto err_out_disable;
10049 }
10050
10051 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10052 printk(KERN_ERR PFX "Cannot find second PCI device"
10053 " base address, aborting\n");
10054 rc = -ENODEV;
10055 goto err_out_disable;
10056 }
10057
10058 if (atomic_read(&pdev->enable_cnt) == 1) {
10059 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10060 if (rc) {
10061 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10062 " aborting\n");
10063 goto err_out_disable;
10064 }
10065
10066 pci_set_master(pdev);
10067 pci_save_state(pdev);
10068 }
10069
10070 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10071 if (bp->pm_cap == 0) {
10072 printk(KERN_ERR PFX "Cannot find power management"
10073 " capability, aborting\n");
10074 rc = -EIO;
10075 goto err_out_release;
10076 }
10077
10078 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10079 if (bp->pcie_cap == 0) {
10080 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10081 " aborting\n");
10082 rc = -EIO;
10083 goto err_out_release;
10084 }
10085
10086 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10087 bp->flags |= USING_DAC_FLAG;
10088 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10089 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10090 " failed, aborting\n");
10091 rc = -EIO;
10092 goto err_out_release;
10093 }
10094
10095 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10096 printk(KERN_ERR PFX "System does not support DMA,"
10097 " aborting\n");
10098 rc = -EIO;
10099 goto err_out_release;
10100 }
10101
10102 dev->mem_start = pci_resource_start(pdev, 0);
10103 dev->base_addr = dev->mem_start;
10104 dev->mem_end = pci_resource_end(pdev, 0);
10105
10106 dev->irq = pdev->irq;
10107
10108 bp->regview = pci_ioremap_bar(pdev, 0);
10109 if (!bp->regview) {
10110 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10111 rc = -ENOMEM;
10112 goto err_out_release;
10113 }
10114
10115 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10116 min_t(u64, BNX2X_DB_SIZE,
10117 pci_resource_len(pdev, 2)));
10118 if (!bp->doorbells) {
10119 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10120 rc = -ENOMEM;
10121 goto err_out_unmap;
10122 }
10123
10124 bnx2x_set_power_state(bp, PCI_D0);
10125
10126 /* clean indirect addresses */
10127 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10128 PCICFG_VENDOR_ID_OFFSET);
10129 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10130 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10131 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10132 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
10133
10134 dev->watchdog_timeo = TX_TIMEOUT;
10135
10136 dev->netdev_ops = &bnx2x_netdev_ops;
10137 dev->ethtool_ops = &bnx2x_ethtool_ops;
10138 dev->features |= NETIF_F_SG;
10139 dev->features |= NETIF_F_HW_CSUM;
10140 if (bp->flags & USING_DAC_FLAG)
10141 dev->features |= NETIF_F_HIGHDMA;
10142 #ifdef BCM_VLAN
10143 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10144 #endif
10145 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
10146 dev->features |= NETIF_F_TSO6;
10147
10148 return 0;
10149
10150 err_out_unmap:
10151 if (bp->regview) {
10152 iounmap(bp->regview);
10153 bp->regview = NULL;
10154 }
10155 if (bp->doorbells) {
10156 iounmap(bp->doorbells);
10157 bp->doorbells = NULL;
10158 }
10159
10160 err_out_release:
10161 if (atomic_read(&pdev->enable_cnt) == 1)
10162 pci_release_regions(pdev);
10163
10164 err_out_disable:
10165 pci_disable_device(pdev);
10166 pci_set_drvdata(pdev, NULL);
10167
10168 err_out:
10169 return rc;
10170 }
10171
10172 static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10173 {
10174 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10175
10176 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10177 return val;
10178 }
10179
10180 /* return value of 1=2.5GHz 2=5GHz */
10181 static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10182 {
10183 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10184
10185 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10186 return val;
10187 }
10188
10189 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10190 const struct pci_device_id *ent)
10191 {
10192 static int version_printed;
10193 struct net_device *dev = NULL;
10194 struct bnx2x *bp;
10195 int rc;
10196
10197 if (version_printed++ == 0)
10198 printk(KERN_INFO "%s", version);
10199
10200 /* dev zeroed in init_etherdev */
10201 dev = alloc_etherdev(sizeof(*bp));
10202 if (!dev) {
10203 printk(KERN_ERR PFX "Cannot allocate net device\n");
10204 return -ENOMEM;
10205 }
10206
10207 bp = netdev_priv(dev);
10208 bp->msglevel = debug;
10209
10210 rc = bnx2x_init_dev(pdev, dev);
10211 if (rc < 0) {
10212 free_netdev(dev);
10213 return rc;
10214 }
10215
10216 rc = register_netdev(dev);
10217 if (rc) {
10218 dev_err(&pdev->dev, "Cannot register net device\n");
10219 goto init_one_exit;
10220 }
10221
10222 pci_set_drvdata(pdev, dev);
10223
10224 rc = bnx2x_init_bp(bp);
10225 if (rc) {
10226 unregister_netdev(dev);
10227 goto init_one_exit;
10228 }
10229
10230 netif_carrier_off(dev);
10231
10232 bp->common.name = board_info[ent->driver_data].name;
10233 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10234 " IRQ %d, ", dev->name, bp->common.name,
10235 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
10236 bnx2x_get_pcie_width(bp),
10237 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10238 dev->base_addr, bp->pdev->irq);
10239 printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
10240 return 0;
10241
10242 init_one_exit:
10243 if (bp->regview)
10244 iounmap(bp->regview);
10245
10246 if (bp->doorbells)
10247 iounmap(bp->doorbells);
10248
10249 free_netdev(dev);
10250
10251 if (atomic_read(&pdev->enable_cnt) == 1)
10252 pci_release_regions(pdev);
10253
10254 pci_disable_device(pdev);
10255 pci_set_drvdata(pdev, NULL);
10256
10257 return rc;
10258 }
10259
10260 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10261 {
10262 struct net_device *dev = pci_get_drvdata(pdev);
10263 struct bnx2x *bp;
10264
10265 if (!dev) {
10266 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10267 return;
10268 }
10269 bp = netdev_priv(dev);
10270
10271 unregister_netdev(dev);
10272
10273 if (bp->regview)
10274 iounmap(bp->regview);
10275
10276 if (bp->doorbells)
10277 iounmap(bp->doorbells);
10278
10279 free_netdev(dev);
10280
10281 if (atomic_read(&pdev->enable_cnt) == 1)
10282 pci_release_regions(pdev);
10283
10284 pci_disable_device(pdev);
10285 pci_set_drvdata(pdev, NULL);
10286 }
10287
10288 static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10289 {
10290 struct net_device *dev = pci_get_drvdata(pdev);
10291 struct bnx2x *bp;
10292
10293 if (!dev) {
10294 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10295 return -ENODEV;
10296 }
10297 bp = netdev_priv(dev);
10298
10299 rtnl_lock();
10300
10301 pci_save_state(pdev);
10302
10303 if (!netif_running(dev)) {
10304 rtnl_unlock();
10305 return 0;
10306 }
10307
10308 netif_device_detach(dev);
10309
10310 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10311
10312 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10313
10314 rtnl_unlock();
10315
10316 return 0;
10317 }
10318
10319 static int bnx2x_resume(struct pci_dev *pdev)
10320 {
10321 struct net_device *dev = pci_get_drvdata(pdev);
10322 struct bnx2x *bp;
10323 int rc;
10324
10325 if (!dev) {
10326 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10327 return -ENODEV;
10328 }
10329 bp = netdev_priv(dev);
10330
10331 rtnl_lock();
10332
10333 pci_restore_state(pdev);
10334
10335 if (!netif_running(dev)) {
10336 rtnl_unlock();
10337 return 0;
10338 }
10339
10340 bnx2x_set_power_state(bp, PCI_D0);
10341 netif_device_attach(dev);
10342
10343 rc = bnx2x_nic_load(bp, LOAD_OPEN);
10344
10345 rtnl_unlock();
10346
10347 return rc;
10348 }
10349
10350 static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
10351 {
10352 int i;
10353
10354 bp->state = BNX2X_STATE_ERROR;
10355
10356 bp->rx_mode = BNX2X_RX_MODE_NONE;
10357
10358 bnx2x_netif_stop(bp, 0);
10359
10360 del_timer_sync(&bp->timer);
10361 bp->stats_state = STATS_STATE_DISABLED;
10362 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
10363
10364 /* Release IRQs */
10365 bnx2x_free_irq(bp);
10366
10367 if (CHIP_IS_E1(bp)) {
10368 struct mac_configuration_cmd *config =
10369 bnx2x_sp(bp, mcast_config);
10370
10371 for (i = 0; i < config->hdr.length_6b; i++)
10372 CAM_INVALIDATE(config->config_table[i]);
10373 }
10374
10375 /* Free SKBs, SGEs, TPA pool and driver internals */
10376 bnx2x_free_skbs(bp);
10377 for_each_queue(bp, i)
10378 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
10379 bnx2x_free_mem(bp);
10380
10381 bp->state = BNX2X_STATE_CLOSED;
10382
10383 netif_carrier_off(bp->dev);
10384
10385 return 0;
10386 }
10387
10388 static void bnx2x_eeh_recover(struct bnx2x *bp)
10389 {
10390 u32 val;
10391
10392 mutex_init(&bp->port.phy_mutex);
10393
10394 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
10395 bp->link_params.shmem_base = bp->common.shmem_base;
10396 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
10397
10398 if (!bp->common.shmem_base ||
10399 (bp->common.shmem_base < 0xA0000) ||
10400 (bp->common.shmem_base >= 0xC0000)) {
10401 BNX2X_DEV_INFO("MCP not active\n");
10402 bp->flags |= NO_MCP_FLAG;
10403 return;
10404 }
10405
10406 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
10407 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10408 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10409 BNX2X_ERR("BAD MCP validity signature\n");
10410
10411 if (!BP_NOMCP(bp)) {
10412 bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
10413 & DRV_MSG_SEQ_NUMBER_MASK);
10414 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10415 }
10416 }
10417
10418 /**
10419 * bnx2x_io_error_detected - called when PCI error is detected
10420 * @pdev: Pointer to PCI device
10421 * @state: The current pci connection state
10422 *
10423 * This function is called after a PCI bus error affecting
10424 * this device has been detected.
10425 */
10426 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10427 pci_channel_state_t state)
10428 {
10429 struct net_device *dev = pci_get_drvdata(pdev);
10430 struct bnx2x *bp = netdev_priv(dev);
10431
10432 rtnl_lock();
10433
10434 netif_device_detach(dev);
10435
10436 if (netif_running(dev))
10437 bnx2x_eeh_nic_unload(bp);
10438
10439 pci_disable_device(pdev);
10440
10441 rtnl_unlock();
10442
10443 /* Request a slot reset */
10444 return PCI_ERS_RESULT_NEED_RESET;
10445 }
10446
10447 /**
10448 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10449 * @pdev: Pointer to PCI device
10450 *
10451 * Restart the card from scratch, as if from a cold-boot.
10452 */
10453 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10454 {
10455 struct net_device *dev = pci_get_drvdata(pdev);
10456 struct bnx2x *bp = netdev_priv(dev);
10457
10458 rtnl_lock();
10459
10460 if (pci_enable_device(pdev)) {
10461 dev_err(&pdev->dev,
10462 "Cannot re-enable PCI device after reset\n");
10463 rtnl_unlock();
10464 return PCI_ERS_RESULT_DISCONNECT;
10465 }
10466
10467 pci_set_master(pdev);
10468 pci_restore_state(pdev);
10469
10470 if (netif_running(dev))
10471 bnx2x_set_power_state(bp, PCI_D0);
10472
10473 rtnl_unlock();
10474
10475 return PCI_ERS_RESULT_RECOVERED;
10476 }
10477
10478 /**
10479 * bnx2x_io_resume - called when traffic can start flowing again
10480 * @pdev: Pointer to PCI device
10481 *
10482 * This callback is called when the error recovery driver tells us that
10483 * its OK to resume normal operation.
10484 */
10485 static void bnx2x_io_resume(struct pci_dev *pdev)
10486 {
10487 struct net_device *dev = pci_get_drvdata(pdev);
10488 struct bnx2x *bp = netdev_priv(dev);
10489
10490 rtnl_lock();
10491
10492 bnx2x_eeh_recover(bp);
10493
10494 if (netif_running(dev))
10495 bnx2x_nic_load(bp, LOAD_NORMAL);
10496
10497 netif_device_attach(dev);
10498
10499 rtnl_unlock();
10500 }
10501
10502 static struct pci_error_handlers bnx2x_err_handler = {
10503 .error_detected = bnx2x_io_error_detected,
10504 .slot_reset = bnx2x_io_slot_reset,
10505 .resume = bnx2x_io_resume,
10506 };
10507
10508 static struct pci_driver bnx2x_pci_driver = {
10509 .name = DRV_MODULE_NAME,
10510 .id_table = bnx2x_pci_tbl,
10511 .probe = bnx2x_init_one,
10512 .remove = __devexit_p(bnx2x_remove_one),
10513 .suspend = bnx2x_suspend,
10514 .resume = bnx2x_resume,
10515 .err_handler = &bnx2x_err_handler,
10516 };
10517
10518 static int __init bnx2x_init(void)
10519 {
10520 return pci_register_driver(&bnx2x_pci_driver);
10521 }
10522
10523 static void __exit bnx2x_cleanup(void)
10524 {
10525 pci_unregister_driver(&bnx2x_pci_driver);
10526 }
10527
10528 module_init(bnx2x_init);
10529 module_exit(bnx2x_cleanup);
10530
Support for the Chinese Samsung S3C2440 based development boards