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bnx2x: Self-test false positive
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / bnx2x_main.c
bloba4177e964c56f5f14603c8c58372051643244882
1 /* bnx2x_main.c: Broadcom Everest network driver.
2 *
3 * Copyright (c) 2007-2008 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
14 * Statistics and Link management by Yitchak Gertner
15 *
16 */
17
18 #include <linux/module.h>
19 #include <linux/moduleparam.h>
20 #include <linux/kernel.h>
21 #include <linux/device.h> /* for dev_info() */
22 #include <linux/timer.h>
23 #include <linux/errno.h>
24 #include <linux/ioport.h>
25 #include <linux/slab.h>
26 #include <linux/vmalloc.h>
27 #include <linux/interrupt.h>
28 #include <linux/pci.h>
29 #include <linux/init.h>
30 #include <linux/netdevice.h>
31 #include <linux/etherdevice.h>
32 #include <linux/skbuff.h>
33 #include <linux/dma-mapping.h>
34 #include <linux/bitops.h>
35 #include <linux/irq.h>
36 #include <linux/delay.h>
37 #include <asm/byteorder.h>
38 #include <linux/time.h>
39 #include <linux/ethtool.h>
40 #include <linux/mii.h>
41 #ifdef NETIF_F_HW_VLAN_TX
42 #include <linux/if_vlan.h>
43 #endif
44 #include <net/ip.h>
45 #include <net/tcp.h>
46 #include <net/checksum.h>
47 #include <linux/version.h>
48 #include <net/ip6_checksum.h>
49 #include <linux/workqueue.h>
50 #include <linux/crc32.h>
51 #include <linux/crc32c.h>
52 #include <linux/prefetch.h>
53 #include <linux/zlib.h>
54 #include <linux/io.h>
55
56 #include "bnx2x_reg.h"
57 #include "bnx2x_fw_defs.h"
58 #include "bnx2x_hsi.h"
59 #include "bnx2x_link.h"
60 #include "bnx2x.h"
61 #include "bnx2x_init.h"
62
63 #define DRV_MODULE_VERSION "1.45.6"
64 #define DRV_MODULE_RELDATE "2008/06/23"
65 #define BNX2X_BC_VER 0x040200
66
67 /* Time in jiffies before concluding the transmitter is hung */
68 #define TX_TIMEOUT (5*HZ)
69
70 static char version[] __devinitdata =
71 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
72 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
73
74 MODULE_AUTHOR("Eliezer Tamir");
75 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(DRV_MODULE_VERSION);
78
79 static int disable_tpa;
80 static int use_inta;
81 static int poll;
82 static int debug;
83 static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
84 static int use_multi;
85
86 module_param(disable_tpa, int, 0);
87 module_param(use_inta, int, 0);
88 module_param(poll, int, 0);
89 module_param(debug, int, 0);
90 MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
91 MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
92 MODULE_PARM_DESC(poll, "use polling (for debug)");
93 MODULE_PARM_DESC(debug, "default debug msglevel");
94
95 #ifdef BNX2X_MULTI
96 module_param(use_multi, int, 0);
97 MODULE_PARM_DESC(use_multi, "use per-CPU queues");
98 #endif
99
100 enum bnx2x_board_type {
101 BCM57710 = 0,
102 BCM57711 = 1,
103 BCM57711E = 2,
104 };
105
106 /* indexed by board_type, above */
107 static struct {
108 char *name;
109 } board_info[] __devinitdata = {
110 { "Broadcom NetXtreme II BCM57710 XGb" },
111 { "Broadcom NetXtreme II BCM57711 XGb" },
112 { "Broadcom NetXtreme II BCM57711E XGb" }
113 };
114
115
116 static const struct pci_device_id bnx2x_pci_tbl[] = {
117 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
119 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
121 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
122 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
123 { 0 }
124 };
125
126 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
127
128 /****************************************************************************
129 * General service functions
130 ****************************************************************************/
131
132 /* used only at init
133 * locking is done by mcp
134 */
135 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
136 {
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
138 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
139 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
140 PCICFG_VENDOR_ID_OFFSET);
141 }
142
143 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
144 {
145 u32 val;
146
147 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
148 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
149 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
150 PCICFG_VENDOR_ID_OFFSET);
151
152 return val;
153 }
154
155 static const u32 dmae_reg_go_c[] = {
156 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
157 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
158 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
159 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
160 };
161
162 /* copy command into DMAE command memory and set DMAE command go */
163 static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
164 int idx)
165 {
166 u32 cmd_offset;
167 int i;
168
169 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
170 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
171 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
172
173 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
174 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
175 }
176 REG_WR(bp, dmae_reg_go_c[idx], 1);
177 }
178
179 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
180 u32 len32)
181 {
182 struct dmae_command *dmae = &bp->init_dmae;
183 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
184 int cnt = 200;
185
186 if (!bp->dmae_ready) {
187 u32 *data = bnx2x_sp(bp, wb_data[0]);
188
189 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
190 " using indirect\n", dst_addr, len32);
191 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
192 return;
193 }
194
195 mutex_lock(&bp->dmae_mutex);
196
197 memset(dmae, 0, sizeof(struct dmae_command));
198
199 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
200 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
201 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
202 #ifdef __BIG_ENDIAN
203 DMAE_CMD_ENDIANITY_B_DW_SWAP |
204 #else
205 DMAE_CMD_ENDIANITY_DW_SWAP |
206 #endif
207 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
208 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
209 dmae->src_addr_lo = U64_LO(dma_addr);
210 dmae->src_addr_hi = U64_HI(dma_addr);
211 dmae->dst_addr_lo = dst_addr >> 2;
212 dmae->dst_addr_hi = 0;
213 dmae->len = len32;
214 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
215 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
216 dmae->comp_val = DMAE_COMP_VAL;
217
218 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
219 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
220 "dst_addr [%x:%08x (%08x)]\n"
221 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
222 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
223 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
224 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
225 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
226 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
227 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
228
229 *wb_comp = 0;
230
231 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
232
233 udelay(5);
234
235 while (*wb_comp != DMAE_COMP_VAL) {
236 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
237
238 /* adjust delay for emulation/FPGA */
239 if (CHIP_REV_IS_SLOW(bp))
240 msleep(100);
241 else
242 udelay(5);
243
244 if (!cnt) {
245 BNX2X_ERR("dmae timeout!\n");
246 break;
247 }
248 cnt--;
249 }
250
251 mutex_unlock(&bp->dmae_mutex);
252 }
253
254 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
255 {
256 struct dmae_command *dmae = &bp->init_dmae;
257 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
258 int cnt = 200;
259
260 if (!bp->dmae_ready) {
261 u32 *data = bnx2x_sp(bp, wb_data[0]);
262 int i;
263
264 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
265 " using indirect\n", src_addr, len32);
266 for (i = 0; i < len32; i++)
267 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
268 return;
269 }
270
271 mutex_lock(&bp->dmae_mutex);
272
273 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
274 memset(dmae, 0, sizeof(struct dmae_command));
275
276 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
277 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
278 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
279 #ifdef __BIG_ENDIAN
280 DMAE_CMD_ENDIANITY_B_DW_SWAP |
281 #else
282 DMAE_CMD_ENDIANITY_DW_SWAP |
283 #endif
284 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
285 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
286 dmae->src_addr_lo = src_addr >> 2;
287 dmae->src_addr_hi = 0;
288 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
289 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
290 dmae->len = len32;
291 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
292 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
293 dmae->comp_val = DMAE_COMP_VAL;
294
295 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
296 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
297 "dst_addr [%x:%08x (%08x)]\n"
298 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
299 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
300 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
301 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
302
303 *wb_comp = 0;
304
305 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
306
307 udelay(5);
308
309 while (*wb_comp != DMAE_COMP_VAL) {
310
311 /* adjust delay for emulation/FPGA */
312 if (CHIP_REV_IS_SLOW(bp))
313 msleep(100);
314 else
315 udelay(5);
316
317 if (!cnt) {
318 BNX2X_ERR("dmae timeout!\n");
319 break;
320 }
321 cnt--;
322 }
323 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
324 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
325 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
326
327 mutex_unlock(&bp->dmae_mutex);
328 }
329
330 /* used only for slowpath so not inlined */
331 static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
332 {
333 u32 wb_write[2];
334
335 wb_write[0] = val_hi;
336 wb_write[1] = val_lo;
337 REG_WR_DMAE(bp, reg, wb_write, 2);
338 }
339
340 #ifdef USE_WB_RD
341 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
342 {
343 u32 wb_data[2];
344
345 REG_RD_DMAE(bp, reg, wb_data, 2);
346
347 return HILO_U64(wb_data[0], wb_data[1]);
348 }
349 #endif
350
351 static int bnx2x_mc_assert(struct bnx2x *bp)
352 {
353 char last_idx;
354 int i, rc = 0;
355 u32 row0, row1, row2, row3;
356
357 /* XSTORM */
358 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
359 XSTORM_ASSERT_LIST_INDEX_OFFSET);
360 if (last_idx)
361 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
362
363 /* print the asserts */
364 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
365
366 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
367 XSTORM_ASSERT_LIST_OFFSET(i));
368 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
369 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
370 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
371 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
372 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
373 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
374
375 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
376 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
377 " 0x%08x 0x%08x 0x%08x\n",
378 i, row3, row2, row1, row0);
379 rc++;
380 } else {
381 break;
382 }
383 }
384
385 /* TSTORM */
386 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
387 TSTORM_ASSERT_LIST_INDEX_OFFSET);
388 if (last_idx)
389 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
390
391 /* print the asserts */
392 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
393
394 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
395 TSTORM_ASSERT_LIST_OFFSET(i));
396 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
397 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
398 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
399 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
400 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
401 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
402
403 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
404 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
405 " 0x%08x 0x%08x 0x%08x\n",
406 i, row3, row2, row1, row0);
407 rc++;
408 } else {
409 break;
410 }
411 }
412
413 /* CSTORM */
414 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
415 CSTORM_ASSERT_LIST_INDEX_OFFSET);
416 if (last_idx)
417 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
418
419 /* print the asserts */
420 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
421
422 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
423 CSTORM_ASSERT_LIST_OFFSET(i));
424 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
425 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
426 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
427 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
428 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
429 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
430
431 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
432 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
433 " 0x%08x 0x%08x 0x%08x\n",
434 i, row3, row2, row1, row0);
435 rc++;
436 } else {
437 break;
438 }
439 }
440
441 /* USTORM */
442 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
443 USTORM_ASSERT_LIST_INDEX_OFFSET);
444 if (last_idx)
445 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
446
447 /* print the asserts */
448 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
449
450 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
451 USTORM_ASSERT_LIST_OFFSET(i));
452 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
453 USTORM_ASSERT_LIST_OFFSET(i) + 4);
454 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
455 USTORM_ASSERT_LIST_OFFSET(i) + 8);
456 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
457 USTORM_ASSERT_LIST_OFFSET(i) + 12);
458
459 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
460 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
461 " 0x%08x 0x%08x 0x%08x\n",
462 i, row3, row2, row1, row0);
463 rc++;
464 } else {
465 break;
466 }
467 }
468
469 return rc;
470 }
471
472 static void bnx2x_fw_dump(struct bnx2x *bp)
473 {
474 u32 mark, offset;
475 u32 data[9];
476 int word;
477
478 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
479 mark = ((mark + 0x3) & ~0x3);
480 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
481
482 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
483 for (word = 0; word < 8; word++)
484 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
485 offset + 4*word));
486 data[8] = 0x0;
487 printk(KERN_CONT "%s", (char *)data);
488 }
489 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
490 for (word = 0; word < 8; word++)
491 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
492 offset + 4*word));
493 data[8] = 0x0;
494 printk(KERN_CONT "%s", (char *)data);
495 }
496 printk("\n" KERN_ERR PFX "end of fw dump\n");
497 }
498
499 static void bnx2x_panic_dump(struct bnx2x *bp)
500 {
501 int i;
502 u16 j, start, end;
503
504 bp->stats_state = STATS_STATE_DISABLED;
505 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
506
507 BNX2X_ERR("begin crash dump -----------------\n");
508
509 for_each_queue(bp, i) {
510 struct bnx2x_fastpath *fp = &bp->fp[i];
511 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
512
513 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
514 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
515 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
516 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
517 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
518 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
519 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
520 fp->rx_bd_prod, fp->rx_bd_cons,
521 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
522 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
523 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
524 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
525 " *sb_u_idx(%x) bd data(%x,%x)\n",
526 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
527 fp->status_blk->c_status_block.status_block_index,
528 fp->fp_u_idx,
529 fp->status_blk->u_status_block.status_block_index,
530 hw_prods->packets_prod, hw_prods->bds_prod);
531
532 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
533 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
534 for (j = start; j < end; j++) {
535 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
536
537 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
538 sw_bd->skb, sw_bd->first_bd);
539 }
540
541 start = TX_BD(fp->tx_bd_cons - 10);
542 end = TX_BD(fp->tx_bd_cons + 254);
543 for (j = start; j < end; j++) {
544 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
545
546 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
547 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
548 }
549
550 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
551 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
552 for (j = start; j < end; j++) {
553 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
554 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
555
556 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
557 j, rx_bd[1], rx_bd[0], sw_bd->skb);
558 }
559
560 start = 0;
561 end = RX_SGE_CNT*NUM_RX_SGE_PAGES;
562 for (j = start; j < end; j++) {
563 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
564 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
565
566 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
567 j, rx_sge[1], rx_sge[0], sw_page->page);
568 }
569
570 start = RCQ_BD(fp->rx_comp_cons - 10);
571 end = RCQ_BD(fp->rx_comp_cons + 503);
572 for (j = start; j < end; j++) {
573 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
574
575 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
576 j, cqe[0], cqe[1], cqe[2], cqe[3]);
577 }
578 }
579
580 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
581 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
582 " spq_prod_idx(%u)\n",
583 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
584 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
585
586 bnx2x_fw_dump(bp);
587 bnx2x_mc_assert(bp);
588 BNX2X_ERR("end crash dump -----------------\n");
589 }
590
591 static void bnx2x_int_enable(struct bnx2x *bp)
592 {
593 int port = BP_PORT(bp);
594 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
595 u32 val = REG_RD(bp, addr);
596 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
597
598 if (msix) {
599 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
600 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
601 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
602 } else {
603 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
604 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
605 HC_CONFIG_0_REG_INT_LINE_EN_0 |
606 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
607
608 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
609 val, port, addr, msix);
610
611 REG_WR(bp, addr, val);
612
613 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
614 }
615
616 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
617 val, port, addr, msix);
618
619 REG_WR(bp, addr, val);
620
621 if (CHIP_IS_E1H(bp)) {
622 /* init leading/trailing edge */
623 if (IS_E1HMF(bp)) {
624 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
625 if (bp->port.pmf)
626 /* enable nig attention */
627 val |= 0x0100;
628 } else
629 val = 0xffff;
630
631 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
632 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
633 }
634 }
635
636 static void bnx2x_int_disable(struct bnx2x *bp)
637 {
638 int port = BP_PORT(bp);
639 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
640 u32 val = REG_RD(bp, addr);
641
642 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
643 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
644 HC_CONFIG_0_REG_INT_LINE_EN_0 |
645 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
646
647 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
648 val, port, addr);
649
650 REG_WR(bp, addr, val);
651 if (REG_RD(bp, addr) != val)
652 BNX2X_ERR("BUG! proper val not read from IGU!\n");
653 }
654
655 static void bnx2x_int_disable_sync(struct bnx2x *bp)
656 {
657 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
658 int i;
659
660 /* disable interrupt handling */
661 atomic_inc(&bp->intr_sem);
662 /* prevent the HW from sending interrupts */
663 bnx2x_int_disable(bp);
664
665 /* make sure all ISRs are done */
666 if (msix) {
667 for_each_queue(bp, i)
668 synchronize_irq(bp->msix_table[i].vector);
669
670 /* one more for the Slow Path IRQ */
671 synchronize_irq(bp->msix_table[i].vector);
672 } else
673 synchronize_irq(bp->pdev->irq);
674
675 /* make sure sp_task is not running */
676 cancel_work_sync(&bp->sp_task);
677 }
678
679 /* fast path */
680
681 /*
682 * General service functions
683 */
684
685 static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
686 u8 storm, u16 index, u8 op, u8 update)
687 {
688 u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
689 struct igu_ack_register igu_ack;
690
691 igu_ack.status_block_index = index;
692 igu_ack.sb_id_and_flags =
693 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
694 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
695 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
696 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
697
698 DP(BNX2X_MSG_OFF, "write 0x%08x to IGU addr 0x%x\n",
699 (*(u32 *)&igu_ack), BAR_IGU_INTMEM + igu_addr);
700 REG_WR(bp, BAR_IGU_INTMEM + igu_addr, (*(u32 *)&igu_ack));
701 }
702
703 static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
704 {
705 struct host_status_block *fpsb = fp->status_blk;
706 u16 rc = 0;
707
708 barrier(); /* status block is written to by the chip */
709 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
710 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
711 rc |= 1;
712 }
713 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
714 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
715 rc |= 2;
716 }
717 return rc;
718 }
719
720 static u16 bnx2x_ack_int(struct bnx2x *bp)
721 {
722 u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
723 u32 result = REG_RD(bp, BAR_IGU_INTMEM + igu_addr);
724
725 DP(BNX2X_MSG_OFF, "read 0x%08x from IGU addr 0x%x\n",
726 result, BAR_IGU_INTMEM + igu_addr);
727
728 #ifdef IGU_DEBUG
729 #warning IGU_DEBUG active
730 if (result == 0) {
731 BNX2X_ERR("read %x from IGU\n", result);
732 REG_WR(bp, TM_REG_TIMER_SOFT_RST, 0);
733 }
734 #endif
735 return result;
736 }
737
738
739 /*
740 * fast path service functions
741 */
742
743 /* free skb in the packet ring at pos idx
744 * return idx of last bd freed
745 */
746 static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
747 u16 idx)
748 {
749 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
750 struct eth_tx_bd *tx_bd;
751 struct sk_buff *skb = tx_buf->skb;
752 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
753 int nbd;
754
755 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
756 idx, tx_buf, skb);
757
758 /* unmap first bd */
759 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
760 tx_bd = &fp->tx_desc_ring[bd_idx];
761 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
762 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
763
764 nbd = le16_to_cpu(tx_bd->nbd) - 1;
765 new_cons = nbd + tx_buf->first_bd;
766 #ifdef BNX2X_STOP_ON_ERROR
767 if (nbd > (MAX_SKB_FRAGS + 2)) {
768 BNX2X_ERR("BAD nbd!\n");
769 bnx2x_panic();
770 }
771 #endif
772
773 /* Skip a parse bd and the TSO split header bd
774 since they have no mapping */
775 if (nbd)
776 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
777
778 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
779 ETH_TX_BD_FLAGS_TCP_CSUM |
780 ETH_TX_BD_FLAGS_SW_LSO)) {
781 if (--nbd)
782 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
783 tx_bd = &fp->tx_desc_ring[bd_idx];
784 /* is this a TSO split header bd? */
785 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
786 if (--nbd)
787 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
788 }
789 }
790
791 /* now free frags */
792 while (nbd > 0) {
793
794 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
795 tx_bd = &fp->tx_desc_ring[bd_idx];
796 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
797 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
798 if (--nbd)
799 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
800 }
801
802 /* release skb */
803 WARN_ON(!skb);
804 dev_kfree_skb(skb);
805 tx_buf->first_bd = 0;
806 tx_buf->skb = NULL;
807
808 return new_cons;
809 }
810
811 static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
812 {
813 s16 used;
814 u16 prod;
815 u16 cons;
816
817 barrier(); /* Tell compiler that prod and cons can change */
818 prod = fp->tx_bd_prod;
819 cons = fp->tx_bd_cons;
820
821 /* NUM_TX_RINGS = number of "next-page" entries
822 It will be used as a threshold */
823 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
824
825 #ifdef BNX2X_STOP_ON_ERROR
826 WARN_ON(used < 0);
827 WARN_ON(used > fp->bp->tx_ring_size);
828 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
829 #endif
830
831 return (s16)(fp->bp->tx_ring_size) - used;
832 }
833
834 static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
835 {
836 struct bnx2x *bp = fp->bp;
837 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
838 int done = 0;
839
840 #ifdef BNX2X_STOP_ON_ERROR
841 if (unlikely(bp->panic))
842 return;
843 #endif
844
845 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
846 sw_cons = fp->tx_pkt_cons;
847
848 while (sw_cons != hw_cons) {
849 u16 pkt_cons;
850
851 pkt_cons = TX_BD(sw_cons);
852
853 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
854
855 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
856 hw_cons, sw_cons, pkt_cons);
857
858 /* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
859 rmb();
860 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
861 }
862 */
863 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
864 sw_cons++;
865 done++;
866
867 if (done == work)
868 break;
869 }
870
871 fp->tx_pkt_cons = sw_cons;
872 fp->tx_bd_cons = bd_cons;
873
874 /* Need to make the tx_cons update visible to start_xmit()
875 * before checking for netif_queue_stopped(). Without the
876 * memory barrier, there is a small possibility that start_xmit()
877 * will miss it and cause the queue to be stopped forever.
878 */
879 smp_mb();
880
881 /* TBD need a thresh? */
882 if (unlikely(netif_queue_stopped(bp->dev))) {
883
884 netif_tx_lock(bp->dev);
885
886 if (netif_queue_stopped(bp->dev) &&
887 (bp->state == BNX2X_STATE_OPEN) &&
888 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
889 netif_wake_queue(bp->dev);
890
891 netif_tx_unlock(bp->dev);
892 }
893 }
894
895 static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
896 union eth_rx_cqe *rr_cqe)
897 {
898 struct bnx2x *bp = fp->bp;
899 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
900 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
901
902 DP(BNX2X_MSG_SP,
903 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
904 FP_IDX(fp), cid, command, bp->state,
905 rr_cqe->ramrod_cqe.ramrod_type);
906
907 bp->spq_left++;
908
909 if (FP_IDX(fp)) {
910 switch (command | fp->state) {
911 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
912 BNX2X_FP_STATE_OPENING):
913 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
914 cid);
915 fp->state = BNX2X_FP_STATE_OPEN;
916 break;
917
918 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
919 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
920 cid);
921 fp->state = BNX2X_FP_STATE_HALTED;
922 break;
923
924 default:
925 BNX2X_ERR("unexpected MC reply (%d) "
926 "fp->state is %x\n", command, fp->state);
927 break;
928 }
929 mb(); /* force bnx2x_wait_ramrod() to see the change */
930 return;
931 }
932
933 switch (command | bp->state) {
934 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
935 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
936 bp->state = BNX2X_STATE_OPEN;
937 break;
938
939 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
940 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
941 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
942 fp->state = BNX2X_FP_STATE_HALTED;
943 break;
944
945 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
946 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
947 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
948 break;
949
950 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
951 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
952 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
953 bp->set_mac_pending = 0;
954 break;
955
956 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
957 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
958 break;
959
960 default:
961 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
962 command, bp->state);
963 break;
964 }
965 mb(); /* force bnx2x_wait_ramrod() to see the change */
966 }
967
968 static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
969 struct bnx2x_fastpath *fp, u16 index)
970 {
971 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
972 struct page *page = sw_buf->page;
973 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
974
975 /* Skip "next page" elements */
976 if (!page)
977 return;
978
979 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
980 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
981 __free_pages(page, PAGES_PER_SGE_SHIFT);
982
983 sw_buf->page = NULL;
984 sge->addr_hi = 0;
985 sge->addr_lo = 0;
986 }
987
988 static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
989 struct bnx2x_fastpath *fp, int last)
990 {
991 int i;
992
993 for (i = 0; i < last; i++)
994 bnx2x_free_rx_sge(bp, fp, i);
995 }
996
997 static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
998 struct bnx2x_fastpath *fp, u16 index)
999 {
1000 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
1001 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
1002 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
1003 dma_addr_t mapping;
1004
1005 if (unlikely(page == NULL))
1006 return -ENOMEM;
1007
1008 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1009 PCI_DMA_FROMDEVICE);
1010 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1011 __free_pages(page, PAGES_PER_SGE_SHIFT);
1012 return -ENOMEM;
1013 }
1014
1015 sw_buf->page = page;
1016 pci_unmap_addr_set(sw_buf, mapping, mapping);
1017
1018 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1019 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1020
1021 return 0;
1022 }
1023
1024 static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1025 struct bnx2x_fastpath *fp, u16 index)
1026 {
1027 struct sk_buff *skb;
1028 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1029 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1030 dma_addr_t mapping;
1031
1032 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1033 if (unlikely(skb == NULL))
1034 return -ENOMEM;
1035
1036 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1037 PCI_DMA_FROMDEVICE);
1038 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1039 dev_kfree_skb(skb);
1040 return -ENOMEM;
1041 }
1042
1043 rx_buf->skb = skb;
1044 pci_unmap_addr_set(rx_buf, mapping, mapping);
1045
1046 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1047 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1048
1049 return 0;
1050 }
1051
1052 /* note that we are not allocating a new skb,
1053 * we are just moving one from cons to prod
1054 * we are not creating a new mapping,
1055 * so there is no need to check for dma_mapping_error().
1056 */
1057 static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1058 struct sk_buff *skb, u16 cons, u16 prod)
1059 {
1060 struct bnx2x *bp = fp->bp;
1061 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1062 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1063 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1064 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1065
1066 pci_dma_sync_single_for_device(bp->pdev,
1067 pci_unmap_addr(cons_rx_buf, mapping),
1068 bp->rx_offset + RX_COPY_THRESH,
1069 PCI_DMA_FROMDEVICE);
1070
1071 prod_rx_buf->skb = cons_rx_buf->skb;
1072 pci_unmap_addr_set(prod_rx_buf, mapping,
1073 pci_unmap_addr(cons_rx_buf, mapping));
1074 *prod_bd = *cons_bd;
1075 }
1076
1077 static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1078 u16 idx)
1079 {
1080 u16 last_max = fp->last_max_sge;
1081
1082 if (SUB_S16(idx, last_max) > 0)
1083 fp->last_max_sge = idx;
1084 }
1085
1086 static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1087 {
1088 int i, j;
1089
1090 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1091 int idx = RX_SGE_CNT * i - 1;
1092
1093 for (j = 0; j < 2; j++) {
1094 SGE_MASK_CLEAR_BIT(fp, idx);
1095 idx--;
1096 }
1097 }
1098 }
1099
1100 static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1101 struct eth_fast_path_rx_cqe *fp_cqe)
1102 {
1103 struct bnx2x *bp = fp->bp;
1104 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1105 le16_to_cpu(fp_cqe->len_on_bd)) >>
1106 BCM_PAGE_SHIFT;
1107 u16 last_max, last_elem, first_elem;
1108 u16 delta = 0;
1109 u16 i;
1110
1111 if (!sge_len)
1112 return;
1113
1114 /* First mark all used pages */
1115 for (i = 0; i < sge_len; i++)
1116 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1117
1118 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1119 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1120
1121 /* Here we assume that the last SGE index is the biggest */
1122 prefetch((void *)(fp->sge_mask));
1123 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1124
1125 last_max = RX_SGE(fp->last_max_sge);
1126 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1127 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1128
1129 /* If ring is not full */
1130 if (last_elem + 1 != first_elem)
1131 last_elem++;
1132
1133 /* Now update the prod */
1134 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1135 if (likely(fp->sge_mask[i]))
1136 break;
1137
1138 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1139 delta += RX_SGE_MASK_ELEM_SZ;
1140 }
1141
1142 if (delta > 0) {
1143 fp->rx_sge_prod += delta;
1144 /* clear page-end entries */
1145 bnx2x_clear_sge_mask_next_elems(fp);
1146 }
1147
1148 DP(NETIF_MSG_RX_STATUS,
1149 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1150 fp->last_max_sge, fp->rx_sge_prod);
1151 }
1152
1153 static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1154 {
1155 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1156 memset(fp->sge_mask, 0xff,
1157 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1158
1159 /* Clear the two last indeces in the page to 1:
1160 these are the indeces that correspond to the "next" element,
1161 hence will never be indicated and should be removed from
1162 the calculations. */
1163 bnx2x_clear_sge_mask_next_elems(fp);
1164 }
1165
1166 static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1167 struct sk_buff *skb, u16 cons, u16 prod)
1168 {
1169 struct bnx2x *bp = fp->bp;
1170 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1171 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1172 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1173 dma_addr_t mapping;
1174
1175 /* move empty skb from pool to prod and map it */
1176 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1177 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1178 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1179 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1180
1181 /* move partial skb from cons to pool (don't unmap yet) */
1182 fp->tpa_pool[queue] = *cons_rx_buf;
1183
1184 /* mark bin state as start - print error if current state != stop */
1185 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1186 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1187
1188 fp->tpa_state[queue] = BNX2X_TPA_START;
1189
1190 /* point prod_bd to new skb */
1191 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1192 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1193
1194 #ifdef BNX2X_STOP_ON_ERROR
1195 fp->tpa_queue_used |= (1 << queue);
1196 #ifdef __powerpc64__
1197 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1198 #else
1199 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1200 #endif
1201 fp->tpa_queue_used);
1202 #endif
1203 }
1204
1205 static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1206 struct sk_buff *skb,
1207 struct eth_fast_path_rx_cqe *fp_cqe,
1208 u16 cqe_idx)
1209 {
1210 struct sw_rx_page *rx_pg, old_rx_pg;
1211 struct page *sge;
1212 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1213 u32 i, frag_len, frag_size, pages;
1214 int err;
1215 int j;
1216
1217 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1218 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1219
1220 /* This is needed in order to enable forwarding support */
1221 if (frag_size)
1222 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1223 max(frag_size, (u32)len_on_bd));
1224
1225 #ifdef BNX2X_STOP_ON_ERROR
1226 if (pages > 8*PAGES_PER_SGE) {
1227 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1228 pages, cqe_idx);
1229 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1230 fp_cqe->pkt_len, len_on_bd);
1231 bnx2x_panic();
1232 return -EINVAL;
1233 }
1234 #endif
1235
1236 /* Run through the SGL and compose the fragmented skb */
1237 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1238 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1239
1240 /* FW gives the indices of the SGE as if the ring is an array
1241 (meaning that "next" element will consume 2 indices) */
1242 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1243 rx_pg = &fp->rx_page_ring[sge_idx];
1244 sge = rx_pg->page;
1245 old_rx_pg = *rx_pg;
1246
1247 /* If we fail to allocate a substitute page, we simply stop
1248 where we are and drop the whole packet */
1249 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1250 if (unlikely(err)) {
1251 bp->eth_stats.rx_skb_alloc_failed++;
1252 return err;
1253 }
1254
1255 /* Unmap the page as we r going to pass it to the stack */
1256 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1257 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1258
1259 /* Add one frag and update the appropriate fields in the skb */
1260 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1261
1262 skb->data_len += frag_len;
1263 skb->truesize += frag_len;
1264 skb->len += frag_len;
1265
1266 frag_size -= frag_len;
1267 }
1268
1269 return 0;
1270 }
1271
1272 static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1273 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1274 u16 cqe_idx)
1275 {
1276 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1277 struct sk_buff *skb = rx_buf->skb;
1278 /* alloc new skb */
1279 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1280
1281 /* Unmap skb in the pool anyway, as we are going to change
1282 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1283 fails. */
1284 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1285 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1286
1287 if (likely(new_skb)) {
1288 /* fix ip xsum and give it to the stack */
1289 /* (no need to map the new skb) */
1290
1291 prefetch(skb);
1292 prefetch(((char *)(skb)) + 128);
1293
1294 #ifdef BNX2X_STOP_ON_ERROR
1295 if (pad + len > bp->rx_buf_size) {
1296 BNX2X_ERR("skb_put is about to fail... "
1297 "pad %d len %d rx_buf_size %d\n",
1298 pad, len, bp->rx_buf_size);
1299 bnx2x_panic();
1300 return;
1301 }
1302 #endif
1303
1304 skb_reserve(skb, pad);
1305 skb_put(skb, len);
1306
1307 skb->protocol = eth_type_trans(skb, bp->dev);
1308 skb->ip_summed = CHECKSUM_UNNECESSARY;
1309
1310 {
1311 struct iphdr *iph;
1312
1313 iph = (struct iphdr *)skb->data;
1314 iph->check = 0;
1315 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1316 }
1317
1318 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1319 &cqe->fast_path_cqe, cqe_idx)) {
1320 #ifdef BCM_VLAN
1321 if ((bp->vlgrp != NULL) &&
1322 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1323 PARSING_FLAGS_VLAN))
1324 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1325 le16_to_cpu(cqe->fast_path_cqe.
1326 vlan_tag));
1327 else
1328 #endif
1329 netif_receive_skb(skb);
1330 } else {
1331 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1332 " - dropping packet!\n");
1333 dev_kfree_skb(skb);
1334 }
1335
1336 bp->dev->last_rx = jiffies;
1337
1338 /* put new skb in bin */
1339 fp->tpa_pool[queue].skb = new_skb;
1340
1341 } else {
1342 /* else drop the packet and keep the buffer in the bin */
1343 DP(NETIF_MSG_RX_STATUS,
1344 "Failed to allocate new skb - dropping packet!\n");
1345 bp->eth_stats.rx_skb_alloc_failed++;
1346 }
1347
1348 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1349 }
1350
1351 static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1352 struct bnx2x_fastpath *fp,
1353 u16 bd_prod, u16 rx_comp_prod,
1354 u16 rx_sge_prod)
1355 {
1356 struct tstorm_eth_rx_producers rx_prods = {0};
1357 int i;
1358
1359 /* Update producers */
1360 rx_prods.bd_prod = bd_prod;
1361 rx_prods.cqe_prod = rx_comp_prod;
1362 rx_prods.sge_prod = rx_sge_prod;
1363
1364 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1365 REG_WR(bp, BAR_TSTRORM_INTMEM +
1366 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1367 ((u32 *)&rx_prods)[i]);
1368
1369 DP(NETIF_MSG_RX_STATUS,
1370 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1371 bd_prod, rx_comp_prod, rx_sge_prod);
1372 }
1373
1374 static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1375 {
1376 struct bnx2x *bp = fp->bp;
1377 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
1378 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1379 int rx_pkt = 0;
1380 u16 queue;
1381
1382 #ifdef BNX2X_STOP_ON_ERROR
1383 if (unlikely(bp->panic))
1384 return 0;
1385 #endif
1386
1387 /* CQ "next element" is of the size of the regular element,
1388 that's why it's ok here */
1389 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1390 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1391 hw_comp_cons++;
1392
1393 bd_cons = fp->rx_bd_cons;
1394 bd_prod = fp->rx_bd_prod;
1395 bd_prod_fw = bd_prod;
1396 sw_comp_cons = fp->rx_comp_cons;
1397 sw_comp_prod = fp->rx_comp_prod;
1398
1399 /* Memory barrier necessary as speculative reads of the rx
1400 * buffer can be ahead of the index in the status block
1401 */
1402 rmb();
1403
1404 DP(NETIF_MSG_RX_STATUS,
1405 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
1406 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
1407
1408 while (sw_comp_cons != hw_comp_cons) {
1409 struct sw_rx_bd *rx_buf = NULL;
1410 struct sk_buff *skb;
1411 union eth_rx_cqe *cqe;
1412 u8 cqe_fp_flags;
1413 u16 len, pad;
1414
1415 comp_ring_cons = RCQ_BD(sw_comp_cons);
1416 bd_prod = RX_BD(bd_prod);
1417 bd_cons = RX_BD(bd_cons);
1418
1419 cqe = &fp->rx_comp_ring[comp_ring_cons];
1420 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1421
1422 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
1423 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1424 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
1425 cqe->fast_path_cqe.rss_hash_result,
1426 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1427 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
1428
1429 /* is this a slowpath msg? */
1430 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
1431 bnx2x_sp_event(fp, cqe);
1432 goto next_cqe;
1433
1434 /* this is an rx packet */
1435 } else {
1436 rx_buf = &fp->rx_buf_ring[bd_cons];
1437 skb = rx_buf->skb;
1438 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1439 pad = cqe->fast_path_cqe.placement_offset;
1440
1441 /* If CQE is marked both TPA_START and TPA_END
1442 it is a non-TPA CQE */
1443 if ((!fp->disable_tpa) &&
1444 (TPA_TYPE(cqe_fp_flags) !=
1445 (TPA_TYPE_START | TPA_TYPE_END))) {
1446 queue = cqe->fast_path_cqe.queue_index;
1447
1448 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1449 DP(NETIF_MSG_RX_STATUS,
1450 "calling tpa_start on queue %d\n",
1451 queue);
1452
1453 bnx2x_tpa_start(fp, queue, skb,
1454 bd_cons, bd_prod);
1455 goto next_rx;
1456 }
1457
1458 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1459 DP(NETIF_MSG_RX_STATUS,
1460 "calling tpa_stop on queue %d\n",
1461 queue);
1462
1463 if (!BNX2X_RX_SUM_FIX(cqe))
1464 BNX2X_ERR("STOP on none TCP "
1465 "data\n");
1466
1467 /* This is a size of the linear data
1468 on this skb */
1469 len = le16_to_cpu(cqe->fast_path_cqe.
1470 len_on_bd);
1471 bnx2x_tpa_stop(bp, fp, queue, pad,
1472 len, cqe, comp_ring_cons);
1473 #ifdef BNX2X_STOP_ON_ERROR
1474 if (bp->panic)
1475 return -EINVAL;
1476 #endif
1477
1478 bnx2x_update_sge_prod(fp,
1479 &cqe->fast_path_cqe);
1480 goto next_cqe;
1481 }
1482 }
1483
1484 pci_dma_sync_single_for_device(bp->pdev,
1485 pci_unmap_addr(rx_buf, mapping),
1486 pad + RX_COPY_THRESH,
1487 PCI_DMA_FROMDEVICE);
1488 prefetch(skb);
1489 prefetch(((char *)(skb)) + 128);
1490
1491 /* is this an error packet? */
1492 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
1493 DP(NETIF_MSG_RX_ERR,
1494 "ERROR flags %x rx packet %u\n",
1495 cqe_fp_flags, sw_comp_cons);
1496 bp->eth_stats.rx_err_discard_pkt++;
1497 goto reuse_rx;
1498 }
1499
1500 /* Since we don't have a jumbo ring
1501 * copy small packets if mtu > 1500
1502 */
1503 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1504 (len <= RX_COPY_THRESH)) {
1505 struct sk_buff *new_skb;
1506
1507 new_skb = netdev_alloc_skb(bp->dev,
1508 len + pad);
1509 if (new_skb == NULL) {
1510 DP(NETIF_MSG_RX_ERR,
1511 "ERROR packet dropped "
1512 "because of alloc failure\n");
1513 bp->eth_stats.rx_skb_alloc_failed++;
1514 goto reuse_rx;
1515 }
1516
1517 /* aligned copy */
1518 skb_copy_from_linear_data_offset(skb, pad,
1519 new_skb->data + pad, len);
1520 skb_reserve(new_skb, pad);
1521 skb_put(new_skb, len);
1522
1523 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1524
1525 skb = new_skb;
1526
1527 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1528 pci_unmap_single(bp->pdev,
1529 pci_unmap_addr(rx_buf, mapping),
1530 bp->rx_buf_use_size,
1531 PCI_DMA_FROMDEVICE);
1532 skb_reserve(skb, pad);
1533 skb_put(skb, len);
1534
1535 } else {
1536 DP(NETIF_MSG_RX_ERR,
1537 "ERROR packet dropped because "
1538 "of alloc failure\n");
1539 bp->eth_stats.rx_skb_alloc_failed++;
1540 reuse_rx:
1541 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1542 goto next_rx;
1543 }
1544
1545 skb->protocol = eth_type_trans(skb, bp->dev);
1546
1547 skb->ip_summed = CHECKSUM_NONE;
1548 if (bp->rx_csum) {
1549 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1550 skb->ip_summed = CHECKSUM_UNNECESSARY;
1551 else
1552 bp->eth_stats.hw_csum_err++;
1553 }
1554 }
1555
1556 #ifdef BCM_VLAN
1557 if ((bp->vlgrp != NULL) &&
1558 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1559 PARSING_FLAGS_VLAN))
1560 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1561 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1562 else
1563 #endif
1564 netif_receive_skb(skb);
1565
1566 bp->dev->last_rx = jiffies;
1567
1568 next_rx:
1569 rx_buf->skb = NULL;
1570
1571 bd_cons = NEXT_RX_IDX(bd_cons);
1572 bd_prod = NEXT_RX_IDX(bd_prod);
1573 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1574 rx_pkt++;
1575 next_cqe:
1576 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1577 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
1578
1579 if (rx_pkt == budget)
1580 break;
1581 } /* while */
1582
1583 fp->rx_bd_cons = bd_cons;
1584 fp->rx_bd_prod = bd_prod_fw;
1585 fp->rx_comp_cons = sw_comp_cons;
1586 fp->rx_comp_prod = sw_comp_prod;
1587
1588 /* Update producers */
1589 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1590 fp->rx_sge_prod);
1591 mmiowb(); /* keep prod updates ordered */
1592
1593 fp->rx_pkt += rx_pkt;
1594 fp->rx_calls++;
1595
1596 return rx_pkt;
1597 }
1598
1599 static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1600 {
1601 struct bnx2x_fastpath *fp = fp_cookie;
1602 struct bnx2x *bp = fp->bp;
1603 struct net_device *dev = bp->dev;
1604 int index = FP_IDX(fp);
1605
1606 /* Return here if interrupt is disabled */
1607 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1608 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1609 return IRQ_HANDLED;
1610 }
1611
1612 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1613 index, FP_SB_ID(fp));
1614 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
1615
1616 #ifdef BNX2X_STOP_ON_ERROR
1617 if (unlikely(bp->panic))
1618 return IRQ_HANDLED;
1619 #endif
1620
1621 prefetch(fp->rx_cons_sb);
1622 prefetch(fp->tx_cons_sb);
1623 prefetch(&fp->status_blk->c_status_block.status_block_index);
1624 prefetch(&fp->status_blk->u_status_block.status_block_index);
1625
1626 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
1627
1628 return IRQ_HANDLED;
1629 }
1630
1631 static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1632 {
1633 struct net_device *dev = dev_instance;
1634 struct bnx2x *bp = netdev_priv(dev);
1635 u16 status = bnx2x_ack_int(bp);
1636 u16 mask;
1637
1638 /* Return here if interrupt is shared and it's not for us */
1639 if (unlikely(status == 0)) {
1640 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1641 return IRQ_NONE;
1642 }
1643 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
1644
1645 #ifdef BNX2X_STOP_ON_ERROR
1646 if (unlikely(bp->panic))
1647 return IRQ_HANDLED;
1648 #endif
1649
1650 /* Return here if interrupt is disabled */
1651 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1652 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1653 return IRQ_HANDLED;
1654 }
1655
1656 mask = 0x2 << bp->fp[0].sb_id;
1657 if (status & mask) {
1658 struct bnx2x_fastpath *fp = &bp->fp[0];
1659
1660 prefetch(fp->rx_cons_sb);
1661 prefetch(fp->tx_cons_sb);
1662 prefetch(&fp->status_blk->c_status_block.status_block_index);
1663 prefetch(&fp->status_blk->u_status_block.status_block_index);
1664
1665 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1666
1667 status &= ~mask;
1668 }
1669
1670
1671 if (unlikely(status & 0x1)) {
1672 schedule_work(&bp->sp_task);
1673
1674 status &= ~0x1;
1675 if (!status)
1676 return IRQ_HANDLED;
1677 }
1678
1679 if (status)
1680 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1681 status);
1682
1683 return IRQ_HANDLED;
1684 }
1685
1686 /* end of fast path */
1687
1688 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
1689
1690 /* Link */
1691
1692 /*
1693 * General service functions
1694 */
1695
1696 static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1697 {
1698 u32 lock_status;
1699 u32 resource_bit = (1 << resource);
1700 int func = BP_FUNC(bp);
1701 u32 hw_lock_control_reg;
1702 int cnt;
1703
1704 /* Validating that the resource is within range */
1705 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1706 DP(NETIF_MSG_HW,
1707 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1708 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1709 return -EINVAL;
1710 }
1711
1712 if (func <= 5) {
1713 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1714 } else {
1715 hw_lock_control_reg =
1716 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1717 }
1718
1719 /* Validating that the resource is not already taken */
1720 lock_status = REG_RD(bp, hw_lock_control_reg);
1721 if (lock_status & resource_bit) {
1722 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1723 lock_status, resource_bit);
1724 return -EEXIST;
1725 }
1726
1727 /* Try for 1 second every 5ms */
1728 for (cnt = 0; cnt < 200; cnt++) {
1729 /* Try to acquire the lock */
1730 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1731 lock_status = REG_RD(bp, hw_lock_control_reg);
1732 if (lock_status & resource_bit)
1733 return 0;
1734
1735 msleep(5);
1736 }
1737 DP(NETIF_MSG_HW, "Timeout\n");
1738 return -EAGAIN;
1739 }
1740
1741 static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1742 {
1743 u32 lock_status;
1744 u32 resource_bit = (1 << resource);
1745 int func = BP_FUNC(bp);
1746 u32 hw_lock_control_reg;
1747
1748 /* Validating that the resource is within range */
1749 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1750 DP(NETIF_MSG_HW,
1751 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1752 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1753 return -EINVAL;
1754 }
1755
1756 if (func <= 5) {
1757 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1758 } else {
1759 hw_lock_control_reg =
1760 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1761 }
1762
1763 /* Validating that the resource is currently taken */
1764 lock_status = REG_RD(bp, hw_lock_control_reg);
1765 if (!(lock_status & resource_bit)) {
1766 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1767 lock_status, resource_bit);
1768 return -EFAULT;
1769 }
1770
1771 REG_WR(bp, hw_lock_control_reg, resource_bit);
1772 return 0;
1773 }
1774
1775 /* HW Lock for shared dual port PHYs */
1776 static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
1777 {
1778 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1779
1780 mutex_lock(&bp->port.phy_mutex);
1781
1782 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1783 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1784 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1785 }
1786
1787 static void bnx2x_release_phy_lock(struct bnx2x *bp)
1788 {
1789 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1790
1791 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1792 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1793 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1794
1795 mutex_unlock(&bp->port.phy_mutex);
1796 }
1797
1798 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode)
1799 {
1800 /* The GPIO should be swapped if swap register is set and active */
1801 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1802 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ BP_PORT(bp);
1803 int gpio_shift = gpio_num +
1804 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1805 u32 gpio_mask = (1 << gpio_shift);
1806 u32 gpio_reg;
1807
1808 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1809 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1810 return -EINVAL;
1811 }
1812
1813 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1814 /* read GPIO and mask except the float bits */
1815 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1816
1817 switch (mode) {
1818 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1819 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1820 gpio_num, gpio_shift);
1821 /* clear FLOAT and set CLR */
1822 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1823 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1824 break;
1825
1826 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1827 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1828 gpio_num, gpio_shift);
1829 /* clear FLOAT and set SET */
1830 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1831 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1832 break;
1833
1834 case MISC_REGISTERS_GPIO_INPUT_HI_Z :
1835 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1836 gpio_num, gpio_shift);
1837 /* set FLOAT */
1838 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1839 break;
1840
1841 default:
1842 break;
1843 }
1844
1845 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1846 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1847
1848 return 0;
1849 }
1850
1851 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1852 {
1853 u32 spio_mask = (1 << spio_num);
1854 u32 spio_reg;
1855
1856 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1857 (spio_num > MISC_REGISTERS_SPIO_7)) {
1858 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1859 return -EINVAL;
1860 }
1861
1862 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1863 /* read SPIO and mask except the float bits */
1864 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1865
1866 switch (mode) {
1867 case MISC_REGISTERS_SPIO_OUTPUT_LOW :
1868 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1869 /* clear FLOAT and set CLR */
1870 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1871 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1872 break;
1873
1874 case MISC_REGISTERS_SPIO_OUTPUT_HIGH :
1875 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1876 /* clear FLOAT and set SET */
1877 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1878 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1879 break;
1880
1881 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1882 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1883 /* set FLOAT */
1884 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1885 break;
1886
1887 default:
1888 break;
1889 }
1890
1891 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1892 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1893
1894 return 0;
1895 }
1896
1897 static void bnx2x_calc_fc_adv(struct bnx2x *bp)
1898 {
1899 switch (bp->link_vars.ieee_fc) {
1900 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1901 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1902 ADVERTISED_Pause);
1903 break;
1904 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1905 bp->port.advertising |= (ADVERTISED_Asym_Pause |
1906 ADVERTISED_Pause);
1907 break;
1908 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1909 bp->port.advertising |= ADVERTISED_Asym_Pause;
1910 break;
1911 default:
1912 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1913 ADVERTISED_Pause);
1914 break;
1915 }
1916 }
1917
1918 static void bnx2x_link_report(struct bnx2x *bp)
1919 {
1920 if (bp->link_vars.link_up) {
1921 if (bp->state == BNX2X_STATE_OPEN)
1922 netif_carrier_on(bp->dev);
1923 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1924
1925 printk("%d Mbps ", bp->link_vars.line_speed);
1926
1927 if (bp->link_vars.duplex == DUPLEX_FULL)
1928 printk("full duplex");
1929 else
1930 printk("half duplex");
1931
1932 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1933 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
1934 printk(", receive ");
1935 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
1936 printk("& transmit ");
1937 } else {
1938 printk(", transmit ");
1939 }
1940 printk("flow control ON");
1941 }
1942 printk("\n");
1943
1944 } else { /* link_down */
1945 netif_carrier_off(bp->dev);
1946 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
1947 }
1948 }
1949
1950 static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
1951 {
1952 if (!BP_NOMCP(bp)) {
1953 u8 rc;
1954
1955 /* Initialize link parameters structure variables */
1956 bp->link_params.mtu = bp->dev->mtu;
1957
1958 bnx2x_acquire_phy_lock(bp);
1959 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1960 bnx2x_release_phy_lock(bp);
1961
1962 if (bp->link_vars.link_up)
1963 bnx2x_link_report(bp);
1964
1965 bnx2x_calc_fc_adv(bp);
1966
1967 return rc;
1968 }
1969 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1970 return -EINVAL;
1971 }
1972
1973 static void bnx2x_link_set(struct bnx2x *bp)
1974 {
1975 if (!BP_NOMCP(bp)) {
1976 bnx2x_acquire_phy_lock(bp);
1977 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1978 bnx2x_release_phy_lock(bp);
1979
1980 bnx2x_calc_fc_adv(bp);
1981 } else
1982 BNX2X_ERR("Bootcode is missing -not setting link\n");
1983 }
1984
1985 static void bnx2x__link_reset(struct bnx2x *bp)
1986 {
1987 if (!BP_NOMCP(bp)) {
1988 bnx2x_acquire_phy_lock(bp);
1989 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
1990 bnx2x_release_phy_lock(bp);
1991 } else
1992 BNX2X_ERR("Bootcode is missing -not resetting link\n");
1993 }
1994
1995 static u8 bnx2x_link_test(struct bnx2x *bp)
1996 {
1997 u8 rc;
1998
1999 bnx2x_acquire_phy_lock(bp);
2000 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
2001 bnx2x_release_phy_lock(bp);
2002
2003 return rc;
2004 }
2005
2006 /* Calculates the sum of vn_min_rates.
2007 It's needed for further normalizing of the min_rates.
2008
2009 Returns:
2010 sum of vn_min_rates
2011 or
2012 0 - if all the min_rates are 0.
2013 In the later case fainess algorithm should be deactivated.
2014 If not all min_rates are zero then those that are zeroes will
2015 be set to 1.
2016 */
2017 static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2018 {
2019 int i, port = BP_PORT(bp);
2020 u32 wsum = 0;
2021 int all_zero = 1;
2022
2023 for (i = 0; i < E1HVN_MAX; i++) {
2024 u32 vn_cfg =
2025 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2026 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2027 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2028 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2029 /* If min rate is zero - set it to 1 */
2030 if (!vn_min_rate)
2031 vn_min_rate = DEF_MIN_RATE;
2032 else
2033 all_zero = 0;
2034
2035 wsum += vn_min_rate;
2036 }
2037 }
2038
2039 /* ... only if all min rates are zeros - disable FAIRNESS */
2040 if (all_zero)
2041 return 0;
2042
2043 return wsum;
2044 }
2045
2046 static void bnx2x_init_port_minmax(struct bnx2x *bp,
2047 int en_fness,
2048 u16 port_rate,
2049 struct cmng_struct_per_port *m_cmng_port)
2050 {
2051 u32 r_param = port_rate / 8;
2052 int port = BP_PORT(bp);
2053 int i;
2054
2055 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2056
2057 /* Enable minmax only if we are in e1hmf mode */
2058 if (IS_E1HMF(bp)) {
2059 u32 fair_periodic_timeout_usec;
2060 u32 t_fair;
2061
2062 /* Enable rate shaping and fairness */
2063 m_cmng_port->flags.cmng_vn_enable = 1;
2064 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2065 m_cmng_port->flags.rate_shaping_enable = 1;
2066
2067 if (!en_fness)
2068 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2069 " fairness will be disabled\n");
2070
2071 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2072 m_cmng_port->rs_vars.rs_periodic_timeout =
2073 RS_PERIODIC_TIMEOUT_USEC / 4;
2074
2075 /* this is the threshold below which no timer arming will occur
2076 1.25 coefficient is for the threshold to be a little bigger
2077 than the real time, to compensate for timer in-accuracy */
2078 m_cmng_port->rs_vars.rs_threshold =
2079 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2080
2081 /* resolution of fairness timer */
2082 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2083 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2084 t_fair = T_FAIR_COEF / port_rate;
2085
2086 /* this is the threshold below which we won't arm
2087 the timer anymore */
2088 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2089
2090 /* we multiply by 1e3/8 to get bytes/msec.
2091 We don't want the credits to pass a credit
2092 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2093 m_cmng_port->fair_vars.upper_bound =
2094 r_param * t_fair * FAIR_MEM;
2095 /* since each tick is 4 usec */
2096 m_cmng_port->fair_vars.fairness_timeout =
2097 fair_periodic_timeout_usec / 4;
2098
2099 } else {
2100 /* Disable rate shaping and fairness */
2101 m_cmng_port->flags.cmng_vn_enable = 0;
2102 m_cmng_port->flags.fairness_enable = 0;
2103 m_cmng_port->flags.rate_shaping_enable = 0;
2104
2105 DP(NETIF_MSG_IFUP,
2106 "Single function mode minmax will be disabled\n");
2107 }
2108
2109 /* Store it to internal memory */
2110 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2111 REG_WR(bp, BAR_XSTRORM_INTMEM +
2112 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2113 ((u32 *)(m_cmng_port))[i]);
2114 }
2115
2116 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2117 u32 wsum, u16 port_rate,
2118 struct cmng_struct_per_port *m_cmng_port)
2119 {
2120 struct rate_shaping_vars_per_vn m_rs_vn;
2121 struct fairness_vars_per_vn m_fair_vn;
2122 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2123 u16 vn_min_rate, vn_max_rate;
2124 int i;
2125
2126 /* If function is hidden - set min and max to zeroes */
2127 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2128 vn_min_rate = 0;
2129 vn_max_rate = 0;
2130
2131 } else {
2132 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2133 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2134 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2135 if current min rate is zero - set it to 1.
2136 This is a requirment of the algorithm. */
2137 if ((vn_min_rate == 0) && wsum)
2138 vn_min_rate = DEF_MIN_RATE;
2139 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2140 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2141 }
2142
2143 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2144 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2145
2146 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2147 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2148
2149 /* global vn counter - maximal Mbps for this vn */
2150 m_rs_vn.vn_counter.rate = vn_max_rate;
2151
2152 /* quota - number of bytes transmitted in this period */
2153 m_rs_vn.vn_counter.quota =
2154 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2155
2156 #ifdef BNX2X_PER_PROT_QOS
2157 /* per protocol counter */
2158 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2159 /* maximal Mbps for this protocol */
2160 m_rs_vn.protocol_counters[protocol].rate =
2161 protocol_max_rate[protocol];
2162 /* the quota in each timer period -
2163 number of bytes transmitted in this period */
2164 m_rs_vn.protocol_counters[protocol].quota =
2165 (u32)(rs_periodic_timeout_usec *
2166 ((double)m_rs_vn.
2167 protocol_counters[protocol].rate/8));
2168 }
2169 #endif
2170
2171 if (wsum) {
2172 /* credit for each period of the fairness algorithm:
2173 number of bytes in T_FAIR (the vn share the port rate).
2174 wsum should not be larger than 10000, thus
2175 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2176 m_fair_vn.vn_credit_delta =
2177 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2178 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2179 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2180 m_fair_vn.vn_credit_delta);
2181 }
2182
2183 #ifdef BNX2X_PER_PROT_QOS
2184 do {
2185 u32 protocolWeightSum = 0;
2186
2187 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2188 protocolWeightSum +=
2189 drvInit.protocol_min_rate[protocol];
2190 /* per protocol counter -
2191 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2192 if (protocolWeightSum > 0) {
2193 for (protocol = 0;
2194 protocol < NUM_OF_PROTOCOLS; protocol++)
2195 /* credit for each period of the
2196 fairness algorithm - number of bytes in
2197 T_FAIR (the protocol share the vn rate) */
2198 m_fair_vn.protocol_credit_delta[protocol] =
2199 (u32)((vn_min_rate / 8) * t_fair *
2200 protocol_min_rate / protocolWeightSum);
2201 }
2202 } while (0);
2203 #endif
2204
2205 /* Store it to internal memory */
2206 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2207 REG_WR(bp, BAR_XSTRORM_INTMEM +
2208 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2209 ((u32 *)(&m_rs_vn))[i]);
2210
2211 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2212 REG_WR(bp, BAR_XSTRORM_INTMEM +
2213 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2214 ((u32 *)(&m_fair_vn))[i]);
2215 }
2216
2217 /* This function is called upon link interrupt */
2218 static void bnx2x_link_attn(struct bnx2x *bp)
2219 {
2220 int vn;
2221
2222 /* Make sure that we are synced with the current statistics */
2223 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2224
2225 bnx2x_acquire_phy_lock(bp);
2226 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2227 bnx2x_release_phy_lock(bp);
2228
2229 if (bp->link_vars.link_up) {
2230
2231 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2232 struct host_port_stats *pstats;
2233
2234 pstats = bnx2x_sp(bp, port_stats);
2235 /* reset old bmac stats */
2236 memset(&(pstats->mac_stx[0]), 0,
2237 sizeof(struct mac_stx));
2238 }
2239 if ((bp->state == BNX2X_STATE_OPEN) ||
2240 (bp->state == BNX2X_STATE_DISABLED))
2241 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2242 }
2243
2244 /* indicate link status */
2245 bnx2x_link_report(bp);
2246
2247 if (IS_E1HMF(bp)) {
2248 int func;
2249
2250 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2251 if (vn == BP_E1HVN(bp))
2252 continue;
2253
2254 func = ((vn << 1) | BP_PORT(bp));
2255
2256 /* Set the attention towards other drivers
2257 on the same port */
2258 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2259 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2260 }
2261 }
2262
2263 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2264 struct cmng_struct_per_port m_cmng_port;
2265 u32 wsum;
2266 int port = BP_PORT(bp);
2267
2268 /* Init RATE SHAPING and FAIRNESS contexts */
2269 wsum = bnx2x_calc_vn_wsum(bp);
2270 bnx2x_init_port_minmax(bp, (int)wsum,
2271 bp->link_vars.line_speed,
2272 &m_cmng_port);
2273 if (IS_E1HMF(bp))
2274 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2275 bnx2x_init_vn_minmax(bp, 2*vn + port,
2276 wsum, bp->link_vars.line_speed,
2277 &m_cmng_port);
2278 }
2279 }
2280
2281 static void bnx2x__link_status_update(struct bnx2x *bp)
2282 {
2283 if (bp->state != BNX2X_STATE_OPEN)
2284 return;
2285
2286 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2287
2288 if (bp->link_vars.link_up)
2289 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2290 else
2291 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2292
2293 /* indicate link status */
2294 bnx2x_link_report(bp);
2295 }
2296
2297 static void bnx2x_pmf_update(struct bnx2x *bp)
2298 {
2299 int port = BP_PORT(bp);
2300 u32 val;
2301
2302 bp->port.pmf = 1;
2303 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2304
2305 /* enable nig attention */
2306 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2307 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2308 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2309
2310 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2311 }
2312
2313 /* end of Link */
2314
2315 /* slow path */
2316
2317 /*
2318 * General service functions
2319 */
2320
2321 /* the slow path queue is odd since completions arrive on the fastpath ring */
2322 static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2323 u32 data_hi, u32 data_lo, int common)
2324 {
2325 int func = BP_FUNC(bp);
2326
2327 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2328 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
2329 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2330 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2331 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2332
2333 #ifdef BNX2X_STOP_ON_ERROR
2334 if (unlikely(bp->panic))
2335 return -EIO;
2336 #endif
2337
2338 spin_lock_bh(&bp->spq_lock);
2339
2340 if (!bp->spq_left) {
2341 BNX2X_ERR("BUG! SPQ ring full!\n");
2342 spin_unlock_bh(&bp->spq_lock);
2343 bnx2x_panic();
2344 return -EBUSY;
2345 }
2346
2347 /* CID needs port number to be encoded int it */
2348 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2349 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2350 HW_CID(bp, cid)));
2351 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2352 if (common)
2353 bp->spq_prod_bd->hdr.type |=
2354 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2355
2356 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2357 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2358
2359 bp->spq_left--;
2360
2361 if (bp->spq_prod_bd == bp->spq_last_bd) {
2362 bp->spq_prod_bd = bp->spq;
2363 bp->spq_prod_idx = 0;
2364 DP(NETIF_MSG_TIMER, "end of spq\n");
2365
2366 } else {
2367 bp->spq_prod_bd++;
2368 bp->spq_prod_idx++;
2369 }
2370
2371 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2372 bp->spq_prod_idx);
2373
2374 spin_unlock_bh(&bp->spq_lock);
2375 return 0;
2376 }
2377
2378 /* acquire split MCP access lock register */
2379 static int bnx2x_acquire_alr(struct bnx2x *bp)
2380 {
2381 u32 i, j, val;
2382 int rc = 0;
2383
2384 might_sleep();
2385 i = 100;
2386 for (j = 0; j < i*10; j++) {
2387 val = (1UL << 31);
2388 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2389 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2390 if (val & (1L << 31))
2391 break;
2392
2393 msleep(5);
2394 }
2395 if (!(val & (1L << 31))) {
2396 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2397 rc = -EBUSY;
2398 }
2399
2400 return rc;
2401 }
2402
2403 /* release split MCP access lock register */
2404 static void bnx2x_release_alr(struct bnx2x *bp)
2405 {
2406 u32 val = 0;
2407
2408 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2409 }
2410
2411 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2412 {
2413 struct host_def_status_block *def_sb = bp->def_status_blk;
2414 u16 rc = 0;
2415
2416 barrier(); /* status block is written to by the chip */
2417 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2418 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2419 rc |= 1;
2420 }
2421 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2422 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2423 rc |= 2;
2424 }
2425 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2426 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2427 rc |= 4;
2428 }
2429 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2430 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2431 rc |= 8;
2432 }
2433 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2434 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2435 rc |= 16;
2436 }
2437 return rc;
2438 }
2439
2440 /*
2441 * slow path service functions
2442 */
2443
2444 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2445 {
2446 int port = BP_PORT(bp);
2447 int func = BP_FUNC(bp);
2448 u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_FUNC_BASE * func) * 8;
2449 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2450 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2451 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2452 NIG_REG_MASK_INTERRUPT_PORT0;
2453 u32 aeu_mask;
2454
2455 if (bp->attn_state & asserted)
2456 BNX2X_ERR("IGU ERROR\n");
2457
2458 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2459 aeu_mask = REG_RD(bp, aeu_addr);
2460
2461 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2462 aeu_mask, asserted);
2463 aeu_mask &= ~(asserted & 0xff);
2464 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2465
2466 REG_WR(bp, aeu_addr, aeu_mask);
2467 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2468
2469 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2470 bp->attn_state |= asserted;
2471 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2472
2473 if (asserted & ATTN_HARD_WIRED_MASK) {
2474 if (asserted & ATTN_NIG_FOR_FUNC) {
2475
2476 /* save nig interrupt mask */
2477 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2478 REG_WR(bp, nig_int_mask_addr, 0);
2479
2480 bnx2x_link_attn(bp);
2481
2482 /* handle unicore attn? */
2483 }
2484 if (asserted & ATTN_SW_TIMER_4_FUNC)
2485 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2486
2487 if (asserted & GPIO_2_FUNC)
2488 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2489
2490 if (asserted & GPIO_3_FUNC)
2491 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2492
2493 if (asserted & GPIO_4_FUNC)
2494 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2495
2496 if (port == 0) {
2497 if (asserted & ATTN_GENERAL_ATTN_1) {
2498 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2499 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2500 }
2501 if (asserted & ATTN_GENERAL_ATTN_2) {
2502 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2503 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2504 }
2505 if (asserted & ATTN_GENERAL_ATTN_3) {
2506 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2507 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2508 }
2509 } else {
2510 if (asserted & ATTN_GENERAL_ATTN_4) {
2511 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2512 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2513 }
2514 if (asserted & ATTN_GENERAL_ATTN_5) {
2515 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2516 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2517 }
2518 if (asserted & ATTN_GENERAL_ATTN_6) {
2519 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2520 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2521 }
2522 }
2523
2524 } /* if hardwired */
2525
2526 DP(NETIF_MSG_HW, "about to mask 0x%08x at IGU addr 0x%x\n",
2527 asserted, BAR_IGU_INTMEM + igu_addr);
2528 REG_WR(bp, BAR_IGU_INTMEM + igu_addr, asserted);
2529
2530 /* now set back the mask */
2531 if (asserted & ATTN_NIG_FOR_FUNC)
2532 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2533 }
2534
2535 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2536 {
2537 int port = BP_PORT(bp);
2538 int reg_offset;
2539 u32 val;
2540
2541 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2542 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2543
2544 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2545
2546 val = REG_RD(bp, reg_offset);
2547 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2548 REG_WR(bp, reg_offset, val);
2549
2550 BNX2X_ERR("SPIO5 hw attention\n");
2551
2552 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2553 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2554 /* Fan failure attention */
2555
2556 /* The PHY reset is controled by GPIO 1 */
2557 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2558 MISC_REGISTERS_GPIO_OUTPUT_LOW);
2559 /* Low power mode is controled by GPIO 2 */
2560 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2561 MISC_REGISTERS_GPIO_OUTPUT_LOW);
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 = (IGU_ADDR_ATTN_BITS_CLR + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
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, BAR_IGU_INTMEM + 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(BNX2X_MSG_SP, "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(BNX2X_MSG_SP, "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(BNX2X_MSG_SP, "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 msleep(1);
3103 if (!cnt) {
3104 BNX2X_ERR("timeout waiting for stats finished\n");
3105 break;
3106 }
3107 cnt--;
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_def_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_def_status_block)/4);
3999 }
4000
4001 static void bnx2x_init_sb(struct bnx2x *bp, int sb_id,
4002 struct host_status_block *sb, dma_addr_t mapping)
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->def_att_idx = 0;
4079 bp->attn_state = 0;
4080
4081 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4082 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4083
4084 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4085 bp->attn_group[index].sig[0] = REG_RD(bp,
4086 reg_offset + 0x10*index);
4087 bp->attn_group[index].sig[1] = REG_RD(bp,
4088 reg_offset + 0x4 + 0x10*index);
4089 bp->attn_group[index].sig[2] = REG_RD(bp,
4090 reg_offset + 0x8 + 0x10*index);
4091 bp->attn_group[index].sig[3] = REG_RD(bp,
4092 reg_offset + 0xc + 0x10*index);
4093 }
4094
4095 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4096 HC_REG_ATTN_MSG0_ADDR_L);
4097
4098 REG_WR(bp, reg_offset, U64_LO(section));
4099 REG_WR(bp, reg_offset + 4, U64_HI(section));
4100
4101 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4102
4103 val = REG_RD(bp, reg_offset);
4104 val |= sb_id;
4105 REG_WR(bp, reg_offset, val);
4106
4107 /* USTORM */
4108 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4109 u_def_status_block);
4110 def_sb->u_def_status_block.status_block_id = sb_id;
4111
4112 bp->def_u_idx = 0;
4113
4114 REG_WR(bp, BAR_USTRORM_INTMEM +
4115 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4116 REG_WR(bp, BAR_USTRORM_INTMEM +
4117 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4118 U64_HI(section));
4119 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4120 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4121 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(func),
4122 BNX2X_BTR);
4123
4124 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4125 REG_WR16(bp, BAR_USTRORM_INTMEM +
4126 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4127
4128 /* CSTORM */
4129 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4130 c_def_status_block);
4131 def_sb->c_def_status_block.status_block_id = sb_id;
4132
4133 bp->def_c_idx = 0;
4134
4135 REG_WR(bp, BAR_CSTRORM_INTMEM +
4136 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4137 REG_WR(bp, BAR_CSTRORM_INTMEM +
4138 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4139 U64_HI(section));
4140 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4141 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4142 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(func),
4143 BNX2X_BTR);
4144
4145 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4146 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4147 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4148
4149 /* TSTORM */
4150 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4151 t_def_status_block);
4152 def_sb->t_def_status_block.status_block_id = sb_id;
4153
4154 bp->def_t_idx = 0;
4155
4156 REG_WR(bp, BAR_TSTRORM_INTMEM +
4157 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4158 REG_WR(bp, BAR_TSTRORM_INTMEM +
4159 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4160 U64_HI(section));
4161 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4162 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4163 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(func),
4164 BNX2X_BTR);
4165
4166 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4167 REG_WR16(bp, BAR_TSTRORM_INTMEM +
4168 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4169
4170 /* XSTORM */
4171 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4172 x_def_status_block);
4173 def_sb->x_def_status_block.status_block_id = sb_id;
4174
4175 bp->def_x_idx = 0;
4176
4177 REG_WR(bp, BAR_XSTRORM_INTMEM +
4178 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4179 REG_WR(bp, BAR_XSTRORM_INTMEM +
4180 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4181 U64_HI(section));
4182 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4183 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4184 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(func),
4185 BNX2X_BTR);
4186
4187 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4188 REG_WR16(bp, BAR_XSTRORM_INTMEM +
4189 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4190
4191 bp->stats_pending = 0;
4192 bp->set_mac_pending = 0;
4193
4194 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4195 }
4196
4197 static void bnx2x_update_coalesce(struct bnx2x *bp)
4198 {
4199 int port = BP_PORT(bp);
4200 int i;
4201
4202 for_each_queue(bp, i) {
4203 int sb_id = bp->fp[i].sb_id;
4204
4205 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4206 REG_WR8(bp, BAR_USTRORM_INTMEM +
4207 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4208 HC_INDEX_U_ETH_RX_CQ_CONS),
4209 bp->rx_ticks/12);
4210 REG_WR16(bp, BAR_USTRORM_INTMEM +
4211 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4212 HC_INDEX_U_ETH_RX_CQ_CONS),
4213 bp->rx_ticks ? 0 : 1);
4214
4215 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4216 REG_WR8(bp, BAR_CSTRORM_INTMEM +
4217 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4218 HC_INDEX_C_ETH_TX_CQ_CONS),
4219 bp->tx_ticks/12);
4220 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4221 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4222 HC_INDEX_C_ETH_TX_CQ_CONS),
4223 bp->tx_ticks ? 0 : 1);
4224 }
4225 }
4226
4227 static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4228 struct bnx2x_fastpath *fp, int last)
4229 {
4230 int i;
4231
4232 for (i = 0; i < last; i++) {
4233 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4234 struct sk_buff *skb = rx_buf->skb;
4235
4236 if (skb == NULL) {
4237 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4238 continue;
4239 }
4240
4241 if (fp->tpa_state[i] == BNX2X_TPA_START)
4242 pci_unmap_single(bp->pdev,
4243 pci_unmap_addr(rx_buf, mapping),
4244 bp->rx_buf_use_size,
4245 PCI_DMA_FROMDEVICE);
4246
4247 dev_kfree_skb(skb);
4248 rx_buf->skb = NULL;
4249 }
4250 }
4251
4252 static void bnx2x_init_rx_rings(struct bnx2x *bp)
4253 {
4254 int func = BP_FUNC(bp);
4255 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4256 ETH_MAX_AGGREGATION_QUEUES_E1H;
4257 u16 ring_prod, cqe_ring_prod;
4258 int i, j;
4259
4260 bp->rx_buf_use_size = bp->dev->mtu;
4261 bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
4262 bp->rx_buf_size = bp->rx_buf_use_size + 64;
4263
4264 if (bp->flags & TPA_ENABLE_FLAG) {
4265 DP(NETIF_MSG_IFUP,
4266 "rx_buf_use_size %d rx_buf_size %d effective_mtu %d\n",
4267 bp->rx_buf_use_size, bp->rx_buf_size,
4268 bp->dev->mtu + ETH_OVREHEAD);
4269
4270 for_each_queue(bp, j) {
4271 struct bnx2x_fastpath *fp = &bp->fp[j];
4272
4273 for (i = 0; i < max_agg_queues; i++) {
4274 fp->tpa_pool[i].skb =
4275 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4276 if (!fp->tpa_pool[i].skb) {
4277 BNX2X_ERR("Failed to allocate TPA "
4278 "skb pool for queue[%d] - "
4279 "disabling TPA on this "
4280 "queue!\n", j);
4281 bnx2x_free_tpa_pool(bp, fp, i);
4282 fp->disable_tpa = 1;
4283 break;
4284 }
4285 pci_unmap_addr_set((struct sw_rx_bd *)
4286 &bp->fp->tpa_pool[i],
4287 mapping, 0);
4288 fp->tpa_state[i] = BNX2X_TPA_STOP;
4289 }
4290 }
4291 }
4292
4293 for_each_queue(bp, j) {
4294 struct bnx2x_fastpath *fp = &bp->fp[j];
4295
4296 fp->rx_bd_cons = 0;
4297 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4298 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
4299
4300 /* "next page" elements initialization */
4301 /* SGE ring */
4302 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4303 struct eth_rx_sge *sge;
4304
4305 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4306 sge->addr_hi =
4307 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4308 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4309 sge->addr_lo =
4310 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4311 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4312 }
4313
4314 bnx2x_init_sge_ring_bit_mask(fp);
4315
4316 /* RX BD ring */
4317 for (i = 1; i <= NUM_RX_RINGS; i++) {
4318 struct eth_rx_bd *rx_bd;
4319
4320 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4321 rx_bd->addr_hi =
4322 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
4323 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4324 rx_bd->addr_lo =
4325 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4326 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4327 }
4328
4329 /* CQ ring */
4330 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4331 struct eth_rx_cqe_next_page *nextpg;
4332
4333 nextpg = (struct eth_rx_cqe_next_page *)
4334 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4335 nextpg->addr_hi =
4336 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
4337 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4338 nextpg->addr_lo =
4339 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4340 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4341 }
4342
4343 /* Allocate SGEs and initialize the ring elements */
4344 for (i = 0, ring_prod = 0;
4345 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
4346
4347 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4348 BNX2X_ERR("was only able to allocate "
4349 "%d rx sges\n", i);
4350 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4351 /* Cleanup already allocated elements */
4352 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
4353 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
4354 fp->disable_tpa = 1;
4355 ring_prod = 0;
4356 break;
4357 }
4358 ring_prod = NEXT_SGE_IDX(ring_prod);
4359 }
4360 fp->rx_sge_prod = ring_prod;
4361
4362 /* Allocate BDs and initialize BD ring */
4363 fp->rx_comp_cons = 0;
4364 cqe_ring_prod = ring_prod = 0;
4365 for (i = 0; i < bp->rx_ring_size; i++) {
4366 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4367 BNX2X_ERR("was only able to allocate "
4368 "%d rx skbs\n", i);
4369 bp->eth_stats.rx_skb_alloc_failed++;
4370 break;
4371 }
4372 ring_prod = NEXT_RX_IDX(ring_prod);
4373 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
4374 WARN_ON(ring_prod <= i);
4375 }
4376
4377 fp->rx_bd_prod = ring_prod;
4378 /* must not have more available CQEs than BDs */
4379 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4380 cqe_ring_prod);
4381 fp->rx_pkt = fp->rx_calls = 0;
4382
4383 /* Warning!
4384 * this will generate an interrupt (to the TSTORM)
4385 * must only be done after chip is initialized
4386 */
4387 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4388 fp->rx_sge_prod);
4389 if (j != 0)
4390 continue;
4391
4392 REG_WR(bp, BAR_USTRORM_INTMEM +
4393 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
4394 U64_LO(fp->rx_comp_mapping));
4395 REG_WR(bp, BAR_USTRORM_INTMEM +
4396 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
4397 U64_HI(fp->rx_comp_mapping));
4398 }
4399 }
4400
4401 static void bnx2x_init_tx_ring(struct bnx2x *bp)
4402 {
4403 int i, j;
4404
4405 for_each_queue(bp, j) {
4406 struct bnx2x_fastpath *fp = &bp->fp[j];
4407
4408 for (i = 1; i <= NUM_TX_RINGS; i++) {
4409 struct eth_tx_bd *tx_bd =
4410 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4411
4412 tx_bd->addr_hi =
4413 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
4414 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4415 tx_bd->addr_lo =
4416 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4417 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4418 }
4419
4420 fp->tx_pkt_prod = 0;
4421 fp->tx_pkt_cons = 0;
4422 fp->tx_bd_prod = 0;
4423 fp->tx_bd_cons = 0;
4424 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4425 fp->tx_pkt = 0;
4426 }
4427 }
4428
4429 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4430 {
4431 int func = BP_FUNC(bp);
4432
4433 spin_lock_init(&bp->spq_lock);
4434
4435 bp->spq_left = MAX_SPQ_PENDING;
4436 bp->spq_prod_idx = 0;
4437 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4438 bp->spq_prod_bd = bp->spq;
4439 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4440
4441 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
4442 U64_LO(bp->spq_mapping));
4443 REG_WR(bp,
4444 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
4445 U64_HI(bp->spq_mapping));
4446
4447 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
4448 bp->spq_prod_idx);
4449 }
4450
4451 static void bnx2x_init_context(struct bnx2x *bp)
4452 {
4453 int i;
4454
4455 for_each_queue(bp, i) {
4456 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4457 struct bnx2x_fastpath *fp = &bp->fp[i];
4458 u8 sb_id = FP_SB_ID(fp);
4459
4460 context->xstorm_st_context.tx_bd_page_base_hi =
4461 U64_HI(fp->tx_desc_mapping);
4462 context->xstorm_st_context.tx_bd_page_base_lo =
4463 U64_LO(fp->tx_desc_mapping);
4464 context->xstorm_st_context.db_data_addr_hi =
4465 U64_HI(fp->tx_prods_mapping);
4466 context->xstorm_st_context.db_data_addr_lo =
4467 U64_LO(fp->tx_prods_mapping);
4468 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4469 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
4470
4471 context->ustorm_st_context.common.sb_index_numbers =
4472 BNX2X_RX_SB_INDEX_NUM;
4473 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4474 context->ustorm_st_context.common.status_block_id = sb_id;
4475 context->ustorm_st_context.common.flags =
4476 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4477 context->ustorm_st_context.common.mc_alignment_size = 64;
4478 context->ustorm_st_context.common.bd_buff_size =
4479 bp->rx_buf_use_size;
4480 context->ustorm_st_context.common.bd_page_base_hi =
4481 U64_HI(fp->rx_desc_mapping);
4482 context->ustorm_st_context.common.bd_page_base_lo =
4483 U64_LO(fp->rx_desc_mapping);
4484 if (!fp->disable_tpa) {
4485 context->ustorm_st_context.common.flags |=
4486 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4487 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4488 context->ustorm_st_context.common.sge_buff_size =
4489 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4490 context->ustorm_st_context.common.sge_page_base_hi =
4491 U64_HI(fp->rx_sge_mapping);
4492 context->ustorm_st_context.common.sge_page_base_lo =
4493 U64_LO(fp->rx_sge_mapping);
4494 }
4495
4496 context->cstorm_st_context.sb_index_number =
4497 HC_INDEX_C_ETH_TX_CQ_CONS;
4498 context->cstorm_st_context.status_block_id = sb_id;
4499
4500 context->xstorm_ag_context.cdu_reserved =
4501 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4502 CDU_REGION_NUMBER_XCM_AG,
4503 ETH_CONNECTION_TYPE);
4504 context->ustorm_ag_context.cdu_usage =
4505 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4506 CDU_REGION_NUMBER_UCM_AG,
4507 ETH_CONNECTION_TYPE);
4508 }
4509 }
4510
4511 static void bnx2x_init_ind_table(struct bnx2x *bp)
4512 {
4513 int port = BP_PORT(bp);
4514 int i;
4515
4516 if (!is_multi(bp))
4517 return;
4518
4519 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
4520 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4521 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4522 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
4523 i % bp->num_queues);
4524
4525 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4526 }
4527
4528 static void bnx2x_set_client_config(struct bnx2x *bp)
4529 {
4530 struct tstorm_eth_client_config tstorm_client = {0};
4531 int port = BP_PORT(bp);
4532 int i;
4533
4534 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
4535 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4536 tstorm_client.config_flags =
4537 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4538 #ifdef BCM_VLAN
4539 if (bp->rx_mode && bp->vlgrp) {
4540 tstorm_client.config_flags |=
4541 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4542 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4543 }
4544 #endif
4545
4546 if (bp->flags & TPA_ENABLE_FLAG) {
4547 tstorm_client.max_sges_for_packet =
4548 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4549 tstorm_client.max_sges_for_packet =
4550 ((tstorm_client.max_sges_for_packet +
4551 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4552 PAGES_PER_SGE_SHIFT;
4553
4554 tstorm_client.config_flags |=
4555 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4556 }
4557
4558 for_each_queue(bp, i) {
4559 REG_WR(bp, BAR_TSTRORM_INTMEM +
4560 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4561 ((u32 *)&tstorm_client)[0]);
4562 REG_WR(bp, BAR_TSTRORM_INTMEM +
4563 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4564 ((u32 *)&tstorm_client)[1]);
4565 }
4566
4567 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4568 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4569 }
4570
4571 static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4572 {
4573 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4574 int mode = bp->rx_mode;
4575 int mask = (1 << BP_L_ID(bp));
4576 int func = BP_FUNC(bp);
4577 int i;
4578
4579 DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode);
4580
4581 switch (mode) {
4582 case BNX2X_RX_MODE_NONE: /* no Rx */
4583 tstorm_mac_filter.ucast_drop_all = mask;
4584 tstorm_mac_filter.mcast_drop_all = mask;
4585 tstorm_mac_filter.bcast_drop_all = mask;
4586 break;
4587 case BNX2X_RX_MODE_NORMAL:
4588 tstorm_mac_filter.bcast_accept_all = mask;
4589 break;
4590 case BNX2X_RX_MODE_ALLMULTI:
4591 tstorm_mac_filter.mcast_accept_all = mask;
4592 tstorm_mac_filter.bcast_accept_all = mask;
4593 break;
4594 case BNX2X_RX_MODE_PROMISC:
4595 tstorm_mac_filter.ucast_accept_all = mask;
4596 tstorm_mac_filter.mcast_accept_all = mask;
4597 tstorm_mac_filter.bcast_accept_all = mask;
4598 break;
4599 default:
4600 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4601 break;
4602 }
4603
4604 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4605 REG_WR(bp, BAR_TSTRORM_INTMEM +
4606 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
4607 ((u32 *)&tstorm_mac_filter)[i]);
4608
4609 /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
4610 ((u32 *)&tstorm_mac_filter)[i]); */
4611 }
4612
4613 if (mode != BNX2X_RX_MODE_NONE)
4614 bnx2x_set_client_config(bp);
4615 }
4616
4617 static void bnx2x_init_internal_common(struct bnx2x *bp)
4618 {
4619 int i;
4620
4621 /* Zero this manually as its initialization is
4622 currently missing in the initTool */
4623 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4624 REG_WR(bp, BAR_USTRORM_INTMEM +
4625 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4626 }
4627
4628 static void bnx2x_init_internal_port(struct bnx2x *bp)
4629 {
4630 int port = BP_PORT(bp);
4631
4632 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4633 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4634 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4635 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4636 }
4637
4638 static void bnx2x_init_internal_func(struct bnx2x *bp)
4639 {
4640 struct tstorm_eth_function_common_config tstorm_config = {0};
4641 struct stats_indication_flags stats_flags = {0};
4642 int port = BP_PORT(bp);
4643 int func = BP_FUNC(bp);
4644 int i;
4645 u16 max_agg_size;
4646
4647 if (is_multi(bp)) {
4648 tstorm_config.config_flags = MULTI_FLAGS;
4649 tstorm_config.rss_result_mask = MULTI_MASK;
4650 }
4651
4652 tstorm_config.leading_client_id = BP_L_ID(bp);
4653
4654 REG_WR(bp, BAR_TSTRORM_INTMEM +
4655 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
4656 (*(u32 *)&tstorm_config));
4657
4658 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
4659 bnx2x_set_storm_rx_mode(bp);
4660
4661 /* reset xstorm per client statistics */
4662 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4663 REG_WR(bp, BAR_XSTRORM_INTMEM +
4664 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4665 i*4, 0);
4666 }
4667 /* reset tstorm per client statistics */
4668 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4669 REG_WR(bp, BAR_TSTRORM_INTMEM +
4670 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4671 i*4, 0);
4672 }
4673
4674 /* Init statistics related context */
4675 stats_flags.collect_eth = 1;
4676
4677 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
4678 ((u32 *)&stats_flags)[0]);
4679 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
4680 ((u32 *)&stats_flags)[1]);
4681
4682 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
4683 ((u32 *)&stats_flags)[0]);
4684 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
4685 ((u32 *)&stats_flags)[1]);
4686
4687 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
4688 ((u32 *)&stats_flags)[0]);
4689 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
4690 ((u32 *)&stats_flags)[1]);
4691
4692 REG_WR(bp, BAR_XSTRORM_INTMEM +
4693 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4694 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4695 REG_WR(bp, BAR_XSTRORM_INTMEM +
4696 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4697 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4698
4699 REG_WR(bp, BAR_TSTRORM_INTMEM +
4700 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4701 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4702 REG_WR(bp, BAR_TSTRORM_INTMEM +
4703 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4704 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4705
4706 if (CHIP_IS_E1H(bp)) {
4707 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4708 IS_E1HMF(bp));
4709 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4710 IS_E1HMF(bp));
4711 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4712 IS_E1HMF(bp));
4713 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4714 IS_E1HMF(bp));
4715
4716 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4717 bp->e1hov);
4718 }
4719
4720 /* Init CQ ring mapping and aggregation size */
4721 max_agg_size = min((u32)(bp->rx_buf_use_size +
4722 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4723 (u32)0xffff);
4724 for_each_queue(bp, i) {
4725 struct bnx2x_fastpath *fp = &bp->fp[i];
4726
4727 REG_WR(bp, BAR_USTRORM_INTMEM +
4728 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4729 U64_LO(fp->rx_comp_mapping));
4730 REG_WR(bp, BAR_USTRORM_INTMEM +
4731 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4732 U64_HI(fp->rx_comp_mapping));
4733
4734 REG_WR16(bp, BAR_USTRORM_INTMEM +
4735 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4736 max_agg_size);
4737 }
4738 }
4739
4740 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4741 {
4742 switch (load_code) {
4743 case FW_MSG_CODE_DRV_LOAD_COMMON:
4744 bnx2x_init_internal_common(bp);
4745 /* no break */
4746
4747 case FW_MSG_CODE_DRV_LOAD_PORT:
4748 bnx2x_init_internal_port(bp);
4749 /* no break */
4750
4751 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4752 bnx2x_init_internal_func(bp);
4753 break;
4754
4755 default:
4756 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4757 break;
4758 }
4759 }
4760
4761 static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4762 {
4763 int i;
4764
4765 for_each_queue(bp, i) {
4766 struct bnx2x_fastpath *fp = &bp->fp[i];
4767
4768 fp->bp = bp;
4769 fp->state = BNX2X_FP_STATE_CLOSED;
4770 fp->index = i;
4771 fp->cl_id = BP_L_ID(bp) + i;
4772 fp->sb_id = fp->cl_id;
4773 DP(NETIF_MSG_IFUP,
4774 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4775 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4776 bnx2x_init_sb(bp, FP_SB_ID(fp), fp->status_blk,
4777 fp->status_blk_mapping);
4778 }
4779
4780 bnx2x_init_def_sb(bp, bp->def_status_blk,
4781 bp->def_status_blk_mapping, DEF_SB_ID);
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 NIG_WR(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 NIG_WR(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 NIG_WR(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 #ifndef BCM_ISCSI
5148 /* set NIC mode */
5149 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5150 #endif
5151
5152 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
5153 #ifdef BCM_ISCSI
5154 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5155 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5156 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
5157 #endif
5158
5159 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5160 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5161
5162 /* let the HW do it's magic ... */
5163 msleep(100);
5164 /* finish PXP init */
5165 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5166 if (val != 1) {
5167 BNX2X_ERR("PXP2 CFG failed\n");
5168 return -EBUSY;
5169 }
5170 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5171 if (val != 1) {
5172 BNX2X_ERR("PXP2 RD_INIT failed\n");
5173 return -EBUSY;
5174 }
5175
5176 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5177 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5178
5179 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
5180
5181 /* clean the DMAE memory */
5182 bp->dmae_ready = 1;
5183 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5184
5185 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5186 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5187 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5188 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
5189
5190 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5191 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5192 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5193 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5194
5195 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5196 /* soft reset pulse */
5197 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5198 REG_WR(bp, QM_REG_SOFT_RESET, 0);
5199
5200 #ifdef BCM_ISCSI
5201 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
5202 #endif
5203
5204 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5205 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5206 if (!CHIP_REV_IS_SLOW(bp)) {
5207 /* enable hw interrupt from doorbell Q */
5208 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5209 }
5210
5211 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5212 if (CHIP_REV_IS_SLOW(bp)) {
5213 /* fix for emulation and FPGA for no pause */
5214 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5215 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5216 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5217 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5218 }
5219
5220 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5221 if (CHIP_IS_E1H(bp))
5222 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
5223
5224 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5225 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5226 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5227 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
5228
5229 if (CHIP_IS_E1H(bp)) {
5230 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5231 STORM_INTMEM_SIZE_E1H/2);
5232 bnx2x_init_fill(bp,
5233 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5234 0, STORM_INTMEM_SIZE_E1H/2);
5235 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5236 STORM_INTMEM_SIZE_E1H/2);
5237 bnx2x_init_fill(bp,
5238 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5239 0, STORM_INTMEM_SIZE_E1H/2);
5240 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5241 STORM_INTMEM_SIZE_E1H/2);
5242 bnx2x_init_fill(bp,
5243 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5244 0, STORM_INTMEM_SIZE_E1H/2);
5245 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5246 STORM_INTMEM_SIZE_E1H/2);
5247 bnx2x_init_fill(bp,
5248 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5249 0, STORM_INTMEM_SIZE_E1H/2);
5250 } else { /* E1 */
5251 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5252 STORM_INTMEM_SIZE_E1);
5253 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5254 STORM_INTMEM_SIZE_E1);
5255 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5256 STORM_INTMEM_SIZE_E1);
5257 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5258 STORM_INTMEM_SIZE_E1);
5259 }
5260
5261 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5262 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5263 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5264 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
5265
5266 /* sync semi rtc */
5267 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5268 0x80000000);
5269 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5270 0x80000000);
5271
5272 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5273 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5274 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
5275
5276 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5277 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5278 REG_WR(bp, i, 0xc0cac01a);
5279 /* TODO: replace with something meaningful */
5280 }
5281 if (CHIP_IS_E1H(bp))
5282 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5283 REG_WR(bp, SRC_REG_SOFT_RST, 0);
5284
5285 if (sizeof(union cdu_context) != 1024)
5286 /* we currently assume that a context is 1024 bytes */
5287 printk(KERN_ALERT PFX "please adjust the size of"
5288 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
5289
5290 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5291 val = (4 << 24) + (0 << 12) + 1024;
5292 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5293 if (CHIP_IS_E1(bp)) {
5294 /* !!! fix pxp client crdit until excel update */
5295 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5296 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5297 }
5298
5299 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5300 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5301
5302 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5303 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
5304
5305 /* PXPCS COMMON comes here */
5306 /* Reset PCIE errors for debug */
5307 REG_WR(bp, 0x2814, 0xffffffff);
5308 REG_WR(bp, 0x3820, 0xffffffff);
5309
5310 /* EMAC0 COMMON comes here */
5311 /* EMAC1 COMMON comes here */
5312 /* DBU COMMON comes here */
5313 /* DBG COMMON comes here */
5314
5315 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5316 if (CHIP_IS_E1H(bp)) {
5317 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5318 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5319 }
5320
5321 if (CHIP_REV_IS_SLOW(bp))
5322 msleep(200);
5323
5324 /* finish CFC init */
5325 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5326 if (val != 1) {
5327 BNX2X_ERR("CFC LL_INIT failed\n");
5328 return -EBUSY;
5329 }
5330 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5331 if (val != 1) {
5332 BNX2X_ERR("CFC AC_INIT failed\n");
5333 return -EBUSY;
5334 }
5335 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5336 if (val != 1) {
5337 BNX2X_ERR("CFC CAM_INIT failed\n");
5338 return -EBUSY;
5339 }
5340 REG_WR(bp, CFC_REG_DEBUG0, 0);
5341
5342 /* read NIG statistic
5343 to see if this is our first up since powerup */
5344 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5345 val = *bnx2x_sp(bp, wb_data[0]);
5346
5347 /* do internal memory self test */
5348 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5349 BNX2X_ERR("internal mem self test failed\n");
5350 return -EBUSY;
5351 }
5352
5353 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5354 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5355 /* Fan failure is indicated by SPIO 5 */
5356 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5357 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5358
5359 /* set to active low mode */
5360 val = REG_RD(bp, MISC_REG_SPIO_INT);
5361 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
5362 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5363 REG_WR(bp, MISC_REG_SPIO_INT, val);
5364
5365 /* enable interrupt to signal the IGU */
5366 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5367 val |= (1 << MISC_REGISTERS_SPIO_5);
5368 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5369 break;
5370
5371 default:
5372 break;
5373 }
5374
5375 /* clear PXP2 attentions */
5376 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5377
5378 enable_blocks_attention(bp);
5379
5380 if (bp->flags & TPA_ENABLE_FLAG) {
5381 struct tstorm_eth_tpa_exist tmp = {0};
5382
5383 tmp.tpa_exist = 1;
5384
5385 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
5386 ((u32 *)&tmp)[0]);
5387 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
5388 ((u32 *)&tmp)[1]);
5389 }
5390
5391 return 0;
5392 }
5393
5394 static int bnx2x_init_port(struct bnx2x *bp)
5395 {
5396 int port = BP_PORT(bp);
5397 u32 val;
5398
5399 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5400
5401 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5402
5403 /* Port PXP comes here */
5404 /* Port PXP2 comes here */
5405 #ifdef BCM_ISCSI
5406 /* Port0 1
5407 * Port1 385 */
5408 i++;
5409 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5410 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5411 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5412 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5413
5414 /* Port0 2
5415 * Port1 386 */
5416 i++;
5417 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5418 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5419 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5420 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5421
5422 /* Port0 3
5423 * Port1 387 */
5424 i++;
5425 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5426 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5427 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5428 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5429 #endif
5430 /* Port CMs come here */
5431
5432 /* Port QM comes here */
5433 #ifdef BCM_ISCSI
5434 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5435 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5436
5437 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5438 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5439 #endif
5440 /* Port DQ comes here */
5441 /* Port BRB1 comes here */
5442 /* Port PRS comes here */
5443 /* Port TSDM comes here */
5444 /* Port CSDM comes here */
5445 /* Port USDM comes here */
5446 /* Port XSDM comes here */
5447 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5448 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5449 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5450 port ? USEM_PORT1_END : USEM_PORT0_END);
5451 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5452 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5453 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5454 port ? XSEM_PORT1_END : XSEM_PORT0_END);
5455 /* Port UPB comes here */
5456 /* Port XPB comes here */
5457
5458 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5459 port ? PBF_PORT1_END : PBF_PORT0_END);
5460
5461 /* configure PBF to work without PAUSE mtu 9000 */
5462 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5463
5464 /* update threshold */
5465 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5466 /* update init credit */
5467 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5468
5469 /* probe changes */
5470 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5471 msleep(5);
5472 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5473
5474 #ifdef BCM_ISCSI
5475 /* tell the searcher where the T2 table is */
5476 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5477
5478 wb_write[0] = U64_LO(bp->t2_mapping);
5479 wb_write[1] = U64_HI(bp->t2_mapping);
5480 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5481 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5482 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5483 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5484
5485 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5486 /* Port SRCH comes here */
5487 #endif
5488 /* Port CDU comes here */
5489 /* Port CFC comes here */
5490
5491 if (CHIP_IS_E1(bp)) {
5492 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5493 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5494 }
5495 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5496 port ? HC_PORT1_END : HC_PORT0_END);
5497
5498 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
5499 MISC_AEU_PORT0_START,
5500 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5501 /* init aeu_mask_attn_func_0/1:
5502 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5503 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5504 * bits 4-7 are used for "per vn group attention" */
5505 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5506 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5507
5508 /* Port PXPCS comes here */
5509 /* Port EMAC0 comes here */
5510 /* Port EMAC1 comes here */
5511 /* Port DBU comes here */
5512 /* Port DBG comes here */
5513 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5514 port ? NIG_PORT1_END : NIG_PORT0_END);
5515
5516 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5517
5518 if (CHIP_IS_E1H(bp)) {
5519 u32 wsum;
5520 struct cmng_struct_per_port m_cmng_port;
5521 int vn;
5522
5523 /* 0x2 disable e1hov, 0x1 enable */
5524 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5525 (IS_E1HMF(bp) ? 0x1 : 0x2));
5526
5527 /* Init RATE SHAPING and FAIRNESS contexts.
5528 Initialize as if there is 10G link. */
5529 wsum = bnx2x_calc_vn_wsum(bp);
5530 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5531 if (IS_E1HMF(bp))
5532 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5533 bnx2x_init_vn_minmax(bp, 2*vn + port,
5534 wsum, 10000, &m_cmng_port);
5535 }
5536
5537 /* Port MCP comes here */
5538 /* Port DMAE comes here */
5539
5540 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5541 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5542 /* add SPIO 5 to group 0 */
5543 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5544 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5545 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5546 break;
5547
5548 default:
5549 break;
5550 }
5551
5552 bnx2x__link_reset(bp);
5553
5554 return 0;
5555 }
5556
5557 #define ILT_PER_FUNC (768/2)
5558 #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5559 /* the phys address is shifted right 12 bits and has an added
5560 1=valid bit added to the 53rd bit
5561 then since this is a wide register(TM)
5562 we split it into two 32 bit writes
5563 */
5564 #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5565 #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5566 #define PXP_ONE_ILT(x) (((x) << 10) | x)
5567 #define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5568
5569 #define CNIC_ILT_LINES 0
5570
5571 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5572 {
5573 int reg;
5574
5575 if (CHIP_IS_E1H(bp))
5576 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5577 else /* E1 */
5578 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5579
5580 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5581 }
5582
5583 static int bnx2x_init_func(struct bnx2x *bp)
5584 {
5585 int port = BP_PORT(bp);
5586 int func = BP_FUNC(bp);
5587 int i;
5588
5589 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5590
5591 i = FUNC_ILT_BASE(func);
5592
5593 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5594 if (CHIP_IS_E1H(bp)) {
5595 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5596 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5597 } else /* E1 */
5598 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5599 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5600
5601
5602 if (CHIP_IS_E1H(bp)) {
5603 for (i = 0; i < 9; i++)
5604 bnx2x_init_block(bp,
5605 cm_start[func][i], cm_end[func][i]);
5606
5607 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5608 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5609 }
5610
5611 /* HC init per function */
5612 if (CHIP_IS_E1H(bp)) {
5613 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5614
5615 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5616 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5617 }
5618 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5619
5620 if (CHIP_IS_E1H(bp))
5621 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5622
5623 /* Reset PCIE errors for debug */
5624 REG_WR(bp, 0x2114, 0xffffffff);
5625 REG_WR(bp, 0x2120, 0xffffffff);
5626
5627 return 0;
5628 }
5629
5630 static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5631 {
5632 int i, rc = 0;
5633
5634 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5635 BP_FUNC(bp), load_code);
5636
5637 bp->dmae_ready = 0;
5638 mutex_init(&bp->dmae_mutex);
5639 bnx2x_gunzip_init(bp);
5640
5641 switch (load_code) {
5642 case FW_MSG_CODE_DRV_LOAD_COMMON:
5643 rc = bnx2x_init_common(bp);
5644 if (rc)
5645 goto init_hw_err;
5646 /* no break */
5647
5648 case FW_MSG_CODE_DRV_LOAD_PORT:
5649 bp->dmae_ready = 1;
5650 rc = bnx2x_init_port(bp);
5651 if (rc)
5652 goto init_hw_err;
5653 /* no break */
5654
5655 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5656 bp->dmae_ready = 1;
5657 rc = bnx2x_init_func(bp);
5658 if (rc)
5659 goto init_hw_err;
5660 break;
5661
5662 default:
5663 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5664 break;
5665 }
5666
5667 if (!BP_NOMCP(bp)) {
5668 int func = BP_FUNC(bp);
5669
5670 bp->fw_drv_pulse_wr_seq =
5671 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5672 DRV_PULSE_SEQ_MASK);
5673 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5674 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5675 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5676 } else
5677 bp->func_stx = 0;
5678
5679 /* this needs to be done before gunzip end */
5680 bnx2x_zero_def_sb(bp);
5681 for_each_queue(bp, i)
5682 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5683
5684 init_hw_err:
5685 bnx2x_gunzip_end(bp);
5686
5687 return rc;
5688 }
5689
5690 /* send the MCP a request, block until there is a reply */
5691 static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5692 {
5693 int func = BP_FUNC(bp);
5694 u32 seq = ++bp->fw_seq;
5695 u32 rc = 0;
5696 u32 cnt = 1;
5697 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
5698
5699 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
5700 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
5701
5702 do {
5703 /* let the FW do it's magic ... */
5704 msleep(delay);
5705
5706 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
5707
5708 /* Give the FW up to 2 second (200*10ms) */
5709 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5710
5711 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5712 cnt*delay, rc, seq);
5713
5714 /* is this a reply to our command? */
5715 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5716 rc &= FW_MSG_CODE_MASK;
5717
5718 } else {
5719 /* FW BUG! */
5720 BNX2X_ERR("FW failed to respond!\n");
5721 bnx2x_fw_dump(bp);
5722 rc = 0;
5723 }
5724
5725 return rc;
5726 }
5727
5728 static void bnx2x_free_mem(struct bnx2x *bp)
5729 {
5730
5731 #define BNX2X_PCI_FREE(x, y, size) \
5732 do { \
5733 if (x) { \
5734 pci_free_consistent(bp->pdev, size, x, y); \
5735 x = NULL; \
5736 y = 0; \
5737 } \
5738 } while (0)
5739
5740 #define BNX2X_FREE(x) \
5741 do { \
5742 if (x) { \
5743 vfree(x); \
5744 x = NULL; \
5745 } \
5746 } while (0)
5747
5748 int i;
5749
5750 /* fastpath */
5751 for_each_queue(bp, i) {
5752
5753 /* Status blocks */
5754 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5755 bnx2x_fp(bp, i, status_blk_mapping),
5756 sizeof(struct host_status_block) +
5757 sizeof(struct eth_tx_db_data));
5758
5759 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5760 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5761 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5762 bnx2x_fp(bp, i, tx_desc_mapping),
5763 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5764
5765 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5766 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5767 bnx2x_fp(bp, i, rx_desc_mapping),
5768 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5769
5770 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5771 bnx2x_fp(bp, i, rx_comp_mapping),
5772 sizeof(struct eth_fast_path_rx_cqe) *
5773 NUM_RCQ_BD);
5774
5775 /* SGE ring */
5776 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5777 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5778 bnx2x_fp(bp, i, rx_sge_mapping),
5779 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5780 }
5781 /* end of fastpath */
5782
5783 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5784 sizeof(struct host_def_status_block));
5785
5786 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5787 sizeof(struct bnx2x_slowpath));
5788
5789 #ifdef BCM_ISCSI
5790 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5791 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5792 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5793 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5794 #endif
5795 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
5796
5797 #undef BNX2X_PCI_FREE
5798 #undef BNX2X_KFREE
5799 }
5800
5801 static int bnx2x_alloc_mem(struct bnx2x *bp)
5802 {
5803
5804 #define BNX2X_PCI_ALLOC(x, y, size) \
5805 do { \
5806 x = pci_alloc_consistent(bp->pdev, size, y); \
5807 if (x == NULL) \
5808 goto alloc_mem_err; \
5809 memset(x, 0, size); \
5810 } while (0)
5811
5812 #define BNX2X_ALLOC(x, size) \
5813 do { \
5814 x = vmalloc(size); \
5815 if (x == NULL) \
5816 goto alloc_mem_err; \
5817 memset(x, 0, size); \
5818 } while (0)
5819
5820 int i;
5821
5822 /* fastpath */
5823 for_each_queue(bp, i) {
5824 bnx2x_fp(bp, i, bp) = bp;
5825
5826 /* Status blocks */
5827 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5828 &bnx2x_fp(bp, i, status_blk_mapping),
5829 sizeof(struct host_status_block) +
5830 sizeof(struct eth_tx_db_data));
5831
5832 bnx2x_fp(bp, i, hw_tx_prods) =
5833 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5834
5835 bnx2x_fp(bp, i, tx_prods_mapping) =
5836 bnx2x_fp(bp, i, status_blk_mapping) +
5837 sizeof(struct host_status_block);
5838
5839 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5840 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5841 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5842 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5843 &bnx2x_fp(bp, i, tx_desc_mapping),
5844 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5845
5846 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5847 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5848 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5849 &bnx2x_fp(bp, i, rx_desc_mapping),
5850 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5851
5852 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5853 &bnx2x_fp(bp, i, rx_comp_mapping),
5854 sizeof(struct eth_fast_path_rx_cqe) *
5855 NUM_RCQ_BD);
5856
5857 /* SGE ring */
5858 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5859 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5860 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5861 &bnx2x_fp(bp, i, rx_sge_mapping),
5862 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5863 }
5864 /* end of fastpath */
5865
5866 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5867 sizeof(struct host_def_status_block));
5868
5869 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5870 sizeof(struct bnx2x_slowpath));
5871
5872 #ifdef BCM_ISCSI
5873 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5874
5875 /* Initialize T1 */
5876 for (i = 0; i < 64*1024; i += 64) {
5877 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5878 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5879 }
5880
5881 /* allocate searcher T2 table
5882 we allocate 1/4 of alloc num for T2
5883 (which is not entered into the ILT) */
5884 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5885
5886 /* Initialize T2 */
5887 for (i = 0; i < 16*1024; i += 64)
5888 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5889
5890 /* now fixup the last line in the block to point to the next block */
5891 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5892
5893 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5894 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5895
5896 /* QM queues (128*MAX_CONN) */
5897 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5898 #endif
5899
5900 /* Slow path ring */
5901 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5902
5903 return 0;
5904
5905 alloc_mem_err:
5906 bnx2x_free_mem(bp);
5907 return -ENOMEM;
5908
5909 #undef BNX2X_PCI_ALLOC
5910 #undef BNX2X_ALLOC
5911 }
5912
5913 static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5914 {
5915 int i;
5916
5917 for_each_queue(bp, i) {
5918 struct bnx2x_fastpath *fp = &bp->fp[i];
5919
5920 u16 bd_cons = fp->tx_bd_cons;
5921 u16 sw_prod = fp->tx_pkt_prod;
5922 u16 sw_cons = fp->tx_pkt_cons;
5923
5924 while (sw_cons != sw_prod) {
5925 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5926 sw_cons++;
5927 }
5928 }
5929 }
5930
5931 static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5932 {
5933 int i, j;
5934
5935 for_each_queue(bp, j) {
5936 struct bnx2x_fastpath *fp = &bp->fp[j];
5937
5938 for (i = 0; i < NUM_RX_BD; i++) {
5939 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5940 struct sk_buff *skb = rx_buf->skb;
5941
5942 if (skb == NULL)
5943 continue;
5944
5945 pci_unmap_single(bp->pdev,
5946 pci_unmap_addr(rx_buf, mapping),
5947 bp->rx_buf_use_size,
5948 PCI_DMA_FROMDEVICE);
5949
5950 rx_buf->skb = NULL;
5951 dev_kfree_skb(skb);
5952 }
5953 if (!fp->disable_tpa)
5954 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5955 ETH_MAX_AGGREGATION_QUEUES_E1 :
5956 ETH_MAX_AGGREGATION_QUEUES_E1H);
5957 }
5958 }
5959
5960 static void bnx2x_free_skbs(struct bnx2x *bp)
5961 {
5962 bnx2x_free_tx_skbs(bp);
5963 bnx2x_free_rx_skbs(bp);
5964 }
5965
5966 static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5967 {
5968 int i, offset = 1;
5969
5970 free_irq(bp->msix_table[0].vector, bp->dev);
5971 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
5972 bp->msix_table[0].vector);
5973
5974 for_each_queue(bp, i) {
5975 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
5976 "state %x\n", i, bp->msix_table[i + offset].vector,
5977 bnx2x_fp(bp, i, state));
5978
5979 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5980 BNX2X_ERR("IRQ of fp #%d being freed while "
5981 "state != closed\n", i);
5982
5983 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
5984 }
5985 }
5986
5987 static void bnx2x_free_irq(struct bnx2x *bp)
5988 {
5989 if (bp->flags & USING_MSIX_FLAG) {
5990 bnx2x_free_msix_irqs(bp);
5991 pci_disable_msix(bp->pdev);
5992 bp->flags &= ~USING_MSIX_FLAG;
5993
5994 } else
5995 free_irq(bp->pdev->irq, bp->dev);
5996 }
5997
5998 static int bnx2x_enable_msix(struct bnx2x *bp)
5999 {
6000 int i, rc, offset;
6001
6002 bp->msix_table[0].entry = 0;
6003 offset = 1;
6004 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
6005
6006 for_each_queue(bp, i) {
6007 int igu_vec = offset + i + BP_L_ID(bp);
6008
6009 bp->msix_table[i + offset].entry = igu_vec;
6010 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6011 "(fastpath #%u)\n", i + offset, igu_vec, i);
6012 }
6013
6014 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6015 bp->num_queues + offset);
6016 if (rc) {
6017 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6018 return -1;
6019 }
6020 bp->flags |= USING_MSIX_FLAG;
6021
6022 return 0;
6023 }
6024
6025 static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6026 {
6027 int i, rc, offset = 1;
6028
6029 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6030 bp->dev->name, bp->dev);
6031 if (rc) {
6032 BNX2X_ERR("request sp irq failed\n");
6033 return -EBUSY;
6034 }
6035
6036 for_each_queue(bp, i) {
6037 rc = request_irq(bp->msix_table[i + offset].vector,
6038 bnx2x_msix_fp_int, 0,
6039 bp->dev->name, &bp->fp[i]);
6040 if (rc) {
6041 BNX2X_ERR("request fp #%d irq failed rc %d\n",
6042 i + offset, rc);
6043 bnx2x_free_msix_irqs(bp);
6044 return -EBUSY;
6045 }
6046
6047 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
6048 }
6049
6050 return 0;
6051 }
6052
6053 static int bnx2x_req_irq(struct bnx2x *bp)
6054 {
6055 int rc;
6056
6057 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6058 bp->dev->name, bp->dev);
6059 if (!rc)
6060 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6061
6062 return rc;
6063 }
6064
6065 /*
6066 * Init service functions
6067 */
6068
6069 static void bnx2x_set_mac_addr_e1(struct bnx2x *bp)
6070 {
6071 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6072 int port = BP_PORT(bp);
6073
6074 /* CAM allocation
6075 * unicasts 0-31:port0 32-63:port1
6076 * multicast 64-127:port0 128-191:port1
6077 */
6078 config->hdr.length_6b = 2;
6079 config->hdr.offset = port ? 31 : 0;
6080 config->hdr.client_id = BP_CL_ID(bp);
6081 config->hdr.reserved1 = 0;
6082
6083 /* primary MAC */
6084 config->config_table[0].cam_entry.msb_mac_addr =
6085 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6086 config->config_table[0].cam_entry.middle_mac_addr =
6087 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6088 config->config_table[0].cam_entry.lsb_mac_addr =
6089 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6090 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
6091 config->config_table[0].target_table_entry.flags = 0;
6092 config->config_table[0].target_table_entry.client_id = 0;
6093 config->config_table[0].target_table_entry.vlan_id = 0;
6094
6095 DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x)\n",
6096 config->config_table[0].cam_entry.msb_mac_addr,
6097 config->config_table[0].cam_entry.middle_mac_addr,
6098 config->config_table[0].cam_entry.lsb_mac_addr);
6099
6100 /* broadcast */
6101 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6102 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6103 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
6104 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
6105 config->config_table[1].target_table_entry.flags =
6106 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6107 config->config_table[1].target_table_entry.client_id = 0;
6108 config->config_table[1].target_table_entry.vlan_id = 0;
6109
6110 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6111 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6112 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6113 }
6114
6115 static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp)
6116 {
6117 struct mac_configuration_cmd_e1h *config =
6118 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6119
6120 if (bp->state != BNX2X_STATE_OPEN) {
6121 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6122 return;
6123 }
6124
6125 /* CAM allocation for E1H
6126 * unicasts: by func number
6127 * multicast: 20+FUNC*20, 20 each
6128 */
6129 config->hdr.length_6b = 1;
6130 config->hdr.offset = BP_FUNC(bp);
6131 config->hdr.client_id = BP_CL_ID(bp);
6132 config->hdr.reserved1 = 0;
6133
6134 /* primary MAC */
6135 config->config_table[0].msb_mac_addr =
6136 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6137 config->config_table[0].middle_mac_addr =
6138 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6139 config->config_table[0].lsb_mac_addr =
6140 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6141 config->config_table[0].client_id = BP_L_ID(bp);
6142 config->config_table[0].vlan_id = 0;
6143 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6144 config->config_table[0].flags = BP_PORT(bp);
6145
6146 DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6147 config->config_table[0].msb_mac_addr,
6148 config->config_table[0].middle_mac_addr,
6149 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6150
6151 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6152 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6153 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6154 }
6155
6156 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6157 int *state_p, int poll)
6158 {
6159 /* can take a while if any port is running */
6160 int cnt = 500;
6161
6162 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6163 poll ? "polling" : "waiting", state, idx);
6164
6165 might_sleep();
6166 while (cnt--) {
6167 if (poll) {
6168 bnx2x_rx_int(bp->fp, 10);
6169 /* if index is different from 0
6170 * the reply for some commands will
6171 * be on the none default queue
6172 */
6173 if (idx)
6174 bnx2x_rx_int(&bp->fp[idx], 10);
6175 }
6176 mb(); /* state is changed by bnx2x_sp_event() */
6177
6178 if (*state_p == state)
6179 return 0;
6180
6181 msleep(1);
6182 }
6183
6184 /* timeout! */
6185 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6186 poll ? "polling" : "waiting", state, idx);
6187 #ifdef BNX2X_STOP_ON_ERROR
6188 bnx2x_panic();
6189 #endif
6190
6191 return -EBUSY;
6192 }
6193
6194 static int bnx2x_setup_leading(struct bnx2x *bp)
6195 {
6196 int rc;
6197
6198 /* reset IGU state */
6199 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6200
6201 /* SETUP ramrod */
6202 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6203
6204 /* Wait for completion */
6205 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
6206
6207 return rc;
6208 }
6209
6210 static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6211 {
6212 /* reset IGU state */
6213 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6214
6215 /* SETUP ramrod */
6216 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6217 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6218
6219 /* Wait for completion */
6220 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
6221 &(bp->fp[index].state), 0);
6222 }
6223
6224 static int bnx2x_poll(struct napi_struct *napi, int budget);
6225 static void bnx2x_set_rx_mode(struct net_device *dev);
6226
6227 /* must be called with rtnl_lock */
6228 static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
6229 {
6230 u32 load_code;
6231 int i, rc;
6232
6233 #ifdef BNX2X_STOP_ON_ERROR
6234 if (unlikely(bp->panic))
6235 return -EPERM;
6236 #endif
6237
6238 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6239
6240 /* Send LOAD_REQUEST command to MCP
6241 Returns the type of LOAD command:
6242 if it is the first port to be initialized
6243 common blocks should be initialized, otherwise - not
6244 */
6245 if (!BP_NOMCP(bp)) {
6246 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6247 if (!load_code) {
6248 BNX2X_ERR("MCP response failure, aborting\n");
6249 return -EBUSY;
6250 }
6251 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
6252 return -EBUSY; /* other port in diagnostic mode */
6253
6254 } else {
6255 int port = BP_PORT(bp);
6256
6257 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6258 load_count[0], load_count[1], load_count[2]);
6259 load_count[0]++;
6260 load_count[1 + port]++;
6261 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6262 load_count[0], load_count[1], load_count[2]);
6263 if (load_count[0] == 1)
6264 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6265 else if (load_count[1 + port] == 1)
6266 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6267 else
6268 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
6269 }
6270
6271 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6272 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6273 bp->port.pmf = 1;
6274 else
6275 bp->port.pmf = 0;
6276 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6277
6278 /* if we can't use MSI-X we only need one fp,
6279 * so try to enable MSI-X with the requested number of fp's
6280 * and fallback to inta with one fp
6281 */
6282 if (use_inta) {
6283 bp->num_queues = 1;
6284
6285 } else {
6286 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6287 /* user requested number */
6288 bp->num_queues = use_multi;
6289
6290 else if (use_multi)
6291 bp->num_queues = min_t(u32, num_online_cpus(),
6292 BP_MAX_QUEUES(bp));
6293 else
6294 bp->num_queues = 1;
6295
6296 if (bnx2x_enable_msix(bp)) {
6297 /* failed to enable MSI-X */
6298 bp->num_queues = 1;
6299 if (use_multi)
6300 BNX2X_ERR("Multi requested but failed"
6301 " to enable MSI-X\n");
6302 }
6303 }
6304 DP(NETIF_MSG_IFUP,
6305 "set number of queues to %d\n", bp->num_queues);
6306
6307 if (bnx2x_alloc_mem(bp))
6308 return -ENOMEM;
6309
6310 for_each_queue(bp, i)
6311 bnx2x_fp(bp, i, disable_tpa) =
6312 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6313
6314 if (bp->flags & USING_MSIX_FLAG) {
6315 rc = bnx2x_req_msix_irqs(bp);
6316 if (rc) {
6317 pci_disable_msix(bp->pdev);
6318 goto load_error;
6319 }
6320 } else {
6321 bnx2x_ack_int(bp);
6322 rc = bnx2x_req_irq(bp);
6323 if (rc) {
6324 BNX2X_ERR("IRQ request failed, aborting\n");
6325 goto load_error;
6326 }
6327 }
6328
6329 for_each_queue(bp, i)
6330 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6331 bnx2x_poll, 128);
6332
6333 /* Initialize HW */
6334 rc = bnx2x_init_hw(bp, load_code);
6335 if (rc) {
6336 BNX2X_ERR("HW init failed, aborting\n");
6337 goto load_error;
6338 }
6339
6340 /* Setup NIC internals and enable interrupts */
6341 bnx2x_nic_init(bp, load_code);
6342
6343 /* Send LOAD_DONE command to MCP */
6344 if (!BP_NOMCP(bp)) {
6345 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6346 if (!load_code) {
6347 BNX2X_ERR("MCP response failure, aborting\n");
6348 rc = -EBUSY;
6349 goto load_int_disable;
6350 }
6351 }
6352
6353 bnx2x_stats_init(bp);
6354
6355 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6356
6357 /* Enable Rx interrupt handling before sending the ramrod
6358 as it's completed on Rx FP queue */
6359 for_each_queue(bp, i)
6360 napi_enable(&bnx2x_fp(bp, i, napi));
6361
6362 /* Enable interrupt handling */
6363 atomic_set(&bp->intr_sem, 0);
6364
6365 rc = bnx2x_setup_leading(bp);
6366 if (rc) {
6367 BNX2X_ERR("Setup leading failed!\n");
6368 goto load_stop_netif;
6369 }
6370
6371 if (CHIP_IS_E1H(bp))
6372 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6373 BNX2X_ERR("!!! mf_cfg function disabled\n");
6374 bp->state = BNX2X_STATE_DISABLED;
6375 }
6376
6377 if (bp->state == BNX2X_STATE_OPEN)
6378 for_each_nondefault_queue(bp, i) {
6379 rc = bnx2x_setup_multi(bp, i);
6380 if (rc)
6381 goto load_stop_netif;
6382 }
6383
6384 if (CHIP_IS_E1(bp))
6385 bnx2x_set_mac_addr_e1(bp);
6386 else
6387 bnx2x_set_mac_addr_e1h(bp);
6388
6389 if (bp->port.pmf)
6390 bnx2x_initial_phy_init(bp);
6391
6392 /* Start fast path */
6393 switch (load_mode) {
6394 case LOAD_NORMAL:
6395 /* Tx queue should be only reenabled */
6396 netif_wake_queue(bp->dev);
6397 bnx2x_set_rx_mode(bp->dev);
6398 break;
6399
6400 case LOAD_OPEN:
6401 netif_start_queue(bp->dev);
6402 bnx2x_set_rx_mode(bp->dev);
6403 if (bp->flags & USING_MSIX_FLAG)
6404 printk(KERN_INFO PFX "%s: using MSI-X\n",
6405 bp->dev->name);
6406 break;
6407
6408 case LOAD_DIAG:
6409 bnx2x_set_rx_mode(bp->dev);
6410 bp->state = BNX2X_STATE_DIAG;
6411 break;
6412
6413 default:
6414 break;
6415 }
6416
6417 if (!bp->port.pmf)
6418 bnx2x__link_status_update(bp);
6419
6420 /* start the timer */
6421 mod_timer(&bp->timer, jiffies + bp->current_interval);
6422
6423
6424 return 0;
6425
6426 load_stop_netif:
6427 for_each_queue(bp, i)
6428 napi_disable(&bnx2x_fp(bp, i, napi));
6429
6430 load_int_disable:
6431 bnx2x_int_disable_sync(bp);
6432
6433 /* Release IRQs */
6434 bnx2x_free_irq(bp);
6435
6436 /* Free SKBs, SGEs, TPA pool and driver internals */
6437 bnx2x_free_skbs(bp);
6438 for_each_queue(bp, i)
6439 bnx2x_free_rx_sge_range(bp, bp->fp + i,
6440 RX_SGE_CNT*NUM_RX_SGE_PAGES);
6441 load_error:
6442 bnx2x_free_mem(bp);
6443
6444 /* TBD we really need to reset the chip
6445 if we want to recover from this */
6446 return rc;
6447 }
6448
6449 static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6450 {
6451 int rc;
6452
6453 /* halt the connection */
6454 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6455 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);
6456
6457 /* Wait for completion */
6458 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6459 &(bp->fp[index].state), 1);
6460 if (rc) /* timeout */
6461 return rc;
6462
6463 /* delete cfc entry */
6464 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6465
6466 /* Wait for completion */
6467 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6468 &(bp->fp[index].state), 1);
6469 return rc;
6470 }
6471
6472 static int bnx2x_stop_leading(struct bnx2x *bp)
6473 {
6474 u16 dsb_sp_prod_idx;
6475 /* if the other port is handling traffic,
6476 this can take a lot of time */
6477 int cnt = 500;
6478 int rc;
6479
6480 might_sleep();
6481
6482 /* Send HALT ramrod */
6483 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6484 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
6485
6486 /* Wait for completion */
6487 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6488 &(bp->fp[0].state), 1);
6489 if (rc) /* timeout */
6490 return rc;
6491
6492 dsb_sp_prod_idx = *bp->dsb_sp_prod;
6493
6494 /* Send PORT_DELETE ramrod */
6495 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6496
6497 /* Wait for completion to arrive on default status block
6498 we are going to reset the chip anyway
6499 so there is not much to do if this times out
6500 */
6501 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
6502 msleep(1);
6503 if (!cnt) {
6504 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6505 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6506 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6507 #ifdef BNX2X_STOP_ON_ERROR
6508 bnx2x_panic();
6509 #else
6510 rc = -EBUSY;
6511 #endif
6512 break;
6513 }
6514 cnt--;
6515 msleep(1);
6516 }
6517 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6518 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6519
6520 return rc;
6521 }
6522
6523 static void bnx2x_reset_func(struct bnx2x *bp)
6524 {
6525 int port = BP_PORT(bp);
6526 int func = BP_FUNC(bp);
6527 int base, i;
6528
6529 /* Configure IGU */
6530 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6531 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6532
6533 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6534
6535 /* Clear ILT */
6536 base = FUNC_ILT_BASE(func);
6537 for (i = base; i < base + ILT_PER_FUNC; i++)
6538 bnx2x_ilt_wr(bp, i, 0);
6539 }
6540
6541 static void bnx2x_reset_port(struct bnx2x *bp)
6542 {
6543 int port = BP_PORT(bp);
6544 u32 val;
6545
6546 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6547
6548 /* Do not rcv packets to BRB */
6549 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6550 /* Do not direct rcv packets that are not for MCP to the BRB */
6551 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6552 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6553
6554 /* Configure AEU */
6555 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6556
6557 msleep(100);
6558 /* Check for BRB port occupancy */
6559 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6560 if (val)
6561 DP(NETIF_MSG_IFDOWN,
6562 "BRB1 is not empty %d blooks are occupied\n", val);
6563
6564 /* TODO: Close Doorbell port? */
6565 }
6566
6567 static void bnx2x_reset_common(struct bnx2x *bp)
6568 {
6569 /* reset_common */
6570 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6571 0xd3ffff7f);
6572 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6573 }
6574
6575 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6576 {
6577 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6578 BP_FUNC(bp), reset_code);
6579
6580 switch (reset_code) {
6581 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6582 bnx2x_reset_port(bp);
6583 bnx2x_reset_func(bp);
6584 bnx2x_reset_common(bp);
6585 break;
6586
6587 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6588 bnx2x_reset_port(bp);
6589 bnx2x_reset_func(bp);
6590 break;
6591
6592 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6593 bnx2x_reset_func(bp);
6594 break;
6595
6596 default:
6597 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6598 break;
6599 }
6600 }
6601
6602 /* msut be called with rtnl_lock */
6603 static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
6604 {
6605 int port = BP_PORT(bp);
6606 u32 reset_code = 0;
6607 int i, cnt, rc;
6608
6609 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6610
6611 bp->rx_mode = BNX2X_RX_MODE_NONE;
6612 bnx2x_set_storm_rx_mode(bp);
6613
6614 if (netif_running(bp->dev)) {
6615 netif_tx_disable(bp->dev);
6616 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6617 }
6618
6619 del_timer_sync(&bp->timer);
6620 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6621 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
6622 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6623
6624 /* Wait until tx fast path tasks complete */
6625 for_each_queue(bp, i) {
6626 struct bnx2x_fastpath *fp = &bp->fp[i];
6627
6628 cnt = 1000;
6629 smp_rmb();
6630 while (BNX2X_HAS_TX_WORK(fp)) {
6631
6632 if (!netif_running(bp->dev))
6633 bnx2x_tx_int(fp, 1000);
6634
6635 if (!cnt) {
6636 BNX2X_ERR("timeout waiting for queue[%d]\n",
6637 i);
6638 #ifdef BNX2X_STOP_ON_ERROR
6639 bnx2x_panic();
6640 return -EBUSY;
6641 #else
6642 break;
6643 #endif
6644 }
6645 cnt--;
6646 msleep(1);
6647 smp_rmb();
6648 }
6649 }
6650
6651 /* Give HW time to discard old tx messages */
6652 msleep(1);
6653
6654 for_each_queue(bp, i)
6655 napi_disable(&bnx2x_fp(bp, i, napi));
6656 /* Disable interrupts after Tx and Rx are disabled on stack level */
6657 bnx2x_int_disable_sync(bp);
6658
6659 /* Release IRQs */
6660 bnx2x_free_irq(bp);
6661
6662 if (unload_mode == UNLOAD_NORMAL)
6663 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6664
6665 else if (bp->flags & NO_WOL_FLAG) {
6666 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6667 if (CHIP_IS_E1H(bp))
6668 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6669
6670 } else if (bp->wol) {
6671 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6672 u8 *mac_addr = bp->dev->dev_addr;
6673 u32 val;
6674 /* The mac address is written to entries 1-4 to
6675 preserve entry 0 which is used by the PMF */
6676 u8 entry = (BP_E1HVN(bp) + 1)*8;
6677
6678 val = (mac_addr[0] << 8) | mac_addr[1];
6679 EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + entry, val);
6680
6681 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6682 (mac_addr[4] << 8) | mac_addr[5];
6683 EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
6684
6685 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6686
6687 } else
6688 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6689
6690 if (CHIP_IS_E1H(bp))
6691 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6692
6693 /* Close multi and leading connections
6694 Completions for ramrods are collected in a synchronous way */
6695 for_each_nondefault_queue(bp, i)
6696 if (bnx2x_stop_multi(bp, i))
6697 goto unload_error;
6698
6699 rc = bnx2x_stop_leading(bp);
6700 if (rc) {
6701 BNX2X_ERR("Stop leading failed!\n");
6702 #ifdef BNX2X_STOP_ON_ERROR
6703 return -EBUSY;
6704 #else
6705 goto unload_error;
6706 #endif
6707 }
6708
6709 unload_error:
6710 if (!BP_NOMCP(bp))
6711 reset_code = bnx2x_fw_command(bp, reset_code);
6712 else {
6713 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6714 load_count[0], load_count[1], load_count[2]);
6715 load_count[0]--;
6716 load_count[1 + port]--;
6717 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6718 load_count[0], load_count[1], load_count[2]);
6719 if (load_count[0] == 0)
6720 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6721 else if (load_count[1 + port] == 0)
6722 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6723 else
6724 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6725 }
6726
6727 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6728 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6729 bnx2x__link_reset(bp);
6730
6731 /* Reset the chip */
6732 bnx2x_reset_chip(bp, reset_code);
6733
6734 /* Report UNLOAD_DONE to MCP */
6735 if (!BP_NOMCP(bp))
6736 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6737
6738 /* Free SKBs, SGEs, TPA pool and driver internals */
6739 bnx2x_free_skbs(bp);
6740 for_each_queue(bp, i)
6741 bnx2x_free_rx_sge_range(bp, bp->fp + i,
6742 RX_SGE_CNT*NUM_RX_SGE_PAGES);
6743 bnx2x_free_mem(bp);
6744
6745 bp->state = BNX2X_STATE_CLOSED;
6746
6747 netif_carrier_off(bp->dev);
6748
6749 return 0;
6750 }
6751
6752 static void bnx2x_reset_task(struct work_struct *work)
6753 {
6754 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6755
6756 #ifdef BNX2X_STOP_ON_ERROR
6757 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6758 " so reset not done to allow debug dump,\n"
6759 KERN_ERR " you will need to reboot when done\n");
6760 return;
6761 #endif
6762
6763 rtnl_lock();
6764
6765 if (!netif_running(bp->dev))
6766 goto reset_task_exit;
6767
6768 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6769 bnx2x_nic_load(bp, LOAD_NORMAL);
6770
6771 reset_task_exit:
6772 rtnl_unlock();
6773 }
6774
6775 /* end of nic load/unload */
6776
6777 /* ethtool_ops */
6778
6779 /*
6780 * Init service functions
6781 */
6782
6783 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
6784 {
6785 u32 val;
6786
6787 /* Check if there is any driver already loaded */
6788 val = REG_RD(bp, MISC_REG_UNPREPARED);
6789 if (val == 0x1) {
6790 /* Check if it is the UNDI driver
6791 * UNDI driver initializes CID offset for normal bell to 0x7
6792 */
6793 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6794 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6795 if (val == 0x7) {
6796 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6797 /* save our func */
6798 int func = BP_FUNC(bp);
6799 u32 swap_en;
6800 u32 swap_val;
6801
6802 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6803
6804 /* try unload UNDI on port 0 */
6805 bp->func = 0;
6806 bp->fw_seq =
6807 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6808 DRV_MSG_SEQ_NUMBER_MASK);
6809 reset_code = bnx2x_fw_command(bp, reset_code);
6810
6811 /* if UNDI is loaded on the other port */
6812 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6813
6814 /* send "DONE" for previous unload */
6815 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6816
6817 /* unload UNDI on port 1 */
6818 bp->func = 1;
6819 bp->fw_seq =
6820 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6821 DRV_MSG_SEQ_NUMBER_MASK);
6822 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6823
6824 bnx2x_fw_command(bp, reset_code);
6825 }
6826
6827 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6828 HC_REG_CONFIG_0), 0x1000);
6829
6830 /* close input traffic and wait for it */
6831 /* Do not rcv packets to BRB */
6832 REG_WR(bp,
6833 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6834 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6835 /* Do not direct rcv packets that are not for MCP to
6836 * the BRB */
6837 REG_WR(bp,
6838 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6839 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6840 /* clear AEU */
6841 REG_WR(bp,
6842 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6843 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6844 msleep(10);
6845
6846 /* save NIG port swap info */
6847 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6848 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6849 /* reset device */
6850 REG_WR(bp,
6851 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6852 0xd3ffffff);
6853 REG_WR(bp,
6854 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6855 0x1403);
6856 /* take the NIG out of reset and restore swap values */
6857 REG_WR(bp,
6858 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6859 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6860 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6861 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6862
6863 /* send unload done to the MCP */
6864 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6865
6866 /* restore our func and fw_seq */
6867 bp->func = func;
6868 bp->fw_seq =
6869 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6870 DRV_MSG_SEQ_NUMBER_MASK);
6871 }
6872 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6873 }
6874 }
6875
6876 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6877 {
6878 u32 val, val2, val3, val4, id;
6879
6880 /* Get the chip revision id and number. */
6881 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6882 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6883 id = ((val & 0xffff) << 16);
6884 val = REG_RD(bp, MISC_REG_CHIP_REV);
6885 id |= ((val & 0xf) << 12);
6886 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6887 id |= ((val & 0xff) << 4);
6888 REG_RD(bp, MISC_REG_BOND_ID);
6889 id |= (val & 0xf);
6890 bp->common.chip_id = id;
6891 bp->link_params.chip_id = bp->common.chip_id;
6892 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6893
6894 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6895 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6896 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6897 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6898 bp->common.flash_size, bp->common.flash_size);
6899
6900 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6901 bp->link_params.shmem_base = bp->common.shmem_base;
6902 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6903
6904 if (!bp->common.shmem_base ||
6905 (bp->common.shmem_base < 0xA0000) ||
6906 (bp->common.shmem_base >= 0xC0000)) {
6907 BNX2X_DEV_INFO("MCP not active\n");
6908 bp->flags |= NO_MCP_FLAG;
6909 return;
6910 }
6911
6912 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6913 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6914 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6915 BNX2X_ERR("BAD MCP validity signature\n");
6916
6917 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6918 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6919
6920 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6921 bp->common.hw_config, bp->common.board);
6922
6923 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6924 SHARED_HW_CFG_LED_MODE_MASK) >>
6925 SHARED_HW_CFG_LED_MODE_SHIFT);
6926
6927 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6928 bp->common.bc_ver = val;
6929 BNX2X_DEV_INFO("bc_ver %X\n", val);
6930 if (val < BNX2X_BC_VER) {
6931 /* for now only warn
6932 * later we might need to enforce this */
6933 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6934 " please upgrade BC\n", BNX2X_BC_VER, val);
6935 }
6936 BNX2X_DEV_INFO("%sWoL Capable\n",
6937 (bp->flags & NO_WOL_FLAG)? "Not " : "");
6938
6939 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
6940 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
6941 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
6942 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
6943
6944 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
6945 val, val2, val3, val4);
6946 }
6947
6948 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
6949 u32 switch_cfg)
6950 {
6951 int port = BP_PORT(bp);
6952 u32 ext_phy_type;
6953
6954 switch (switch_cfg) {
6955 case SWITCH_CFG_1G:
6956 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
6957
6958 ext_phy_type =
6959 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
6960 switch (ext_phy_type) {
6961 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
6962 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
6963 ext_phy_type);
6964
6965 bp->port.supported |= (SUPPORTED_10baseT_Half |
6966 SUPPORTED_10baseT_Full |
6967 SUPPORTED_100baseT_Half |
6968 SUPPORTED_100baseT_Full |
6969 SUPPORTED_1000baseT_Full |
6970 SUPPORTED_2500baseX_Full |
6971 SUPPORTED_TP |
6972 SUPPORTED_FIBRE |
6973 SUPPORTED_Autoneg |
6974 SUPPORTED_Pause |
6975 SUPPORTED_Asym_Pause);
6976 break;
6977
6978 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
6979 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
6980 ext_phy_type);
6981
6982 bp->port.supported |= (SUPPORTED_10baseT_Half |
6983 SUPPORTED_10baseT_Full |
6984 SUPPORTED_100baseT_Half |
6985 SUPPORTED_100baseT_Full |
6986 SUPPORTED_1000baseT_Full |
6987 SUPPORTED_TP |
6988 SUPPORTED_FIBRE |
6989 SUPPORTED_Autoneg |
6990 SUPPORTED_Pause |
6991 SUPPORTED_Asym_Pause);
6992 break;
6993
6994 default:
6995 BNX2X_ERR("NVRAM config error. "
6996 "BAD SerDes ext_phy_config 0x%x\n",
6997 bp->link_params.ext_phy_config);
6998 return;
6999 }
7000
7001 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7002 port*0x10);
7003 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7004 break;
7005
7006 case SWITCH_CFG_10G:
7007 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7008
7009 ext_phy_type =
7010 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7011 switch (ext_phy_type) {
7012 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7013 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7014 ext_phy_type);
7015
7016 bp->port.supported |= (SUPPORTED_10baseT_Half |
7017 SUPPORTED_10baseT_Full |
7018 SUPPORTED_100baseT_Half |
7019 SUPPORTED_100baseT_Full |
7020 SUPPORTED_1000baseT_Full |
7021 SUPPORTED_2500baseX_Full |
7022 SUPPORTED_10000baseT_Full |
7023 SUPPORTED_TP |
7024 SUPPORTED_FIBRE |
7025 SUPPORTED_Autoneg |
7026 SUPPORTED_Pause |
7027 SUPPORTED_Asym_Pause);
7028 break;
7029
7030 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7031 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7032 ext_phy_type);
7033
7034 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7035 SUPPORTED_FIBRE |
7036 SUPPORTED_Pause |
7037 SUPPORTED_Asym_Pause);
7038 break;
7039
7040 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7041 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7042 ext_phy_type);
7043
7044 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7045 SUPPORTED_1000baseT_Full |
7046 SUPPORTED_FIBRE |
7047 SUPPORTED_Pause |
7048 SUPPORTED_Asym_Pause);
7049 break;
7050
7051 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7052 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7053 ext_phy_type);
7054
7055 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7056 SUPPORTED_1000baseT_Full |
7057 SUPPORTED_FIBRE |
7058 SUPPORTED_Autoneg |
7059 SUPPORTED_Pause |
7060 SUPPORTED_Asym_Pause);
7061 break;
7062
7063 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7064 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7065 ext_phy_type);
7066
7067 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7068 SUPPORTED_2500baseX_Full |
7069 SUPPORTED_1000baseT_Full |
7070 SUPPORTED_FIBRE |
7071 SUPPORTED_Autoneg |
7072 SUPPORTED_Pause |
7073 SUPPORTED_Asym_Pause);
7074 break;
7075
7076 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7077 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7078 ext_phy_type);
7079
7080 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7081 SUPPORTED_TP |
7082 SUPPORTED_Autoneg |
7083 SUPPORTED_Pause |
7084 SUPPORTED_Asym_Pause);
7085 break;
7086
7087 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7088 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7089 bp->link_params.ext_phy_config);
7090 break;
7091
7092 default:
7093 BNX2X_ERR("NVRAM config error. "
7094 "BAD XGXS ext_phy_config 0x%x\n",
7095 bp->link_params.ext_phy_config);
7096 return;
7097 }
7098
7099 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7100 port*0x18);
7101 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7102
7103 break;
7104
7105 default:
7106 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7107 bp->port.link_config);
7108 return;
7109 }
7110 bp->link_params.phy_addr = bp->port.phy_addr;
7111
7112 /* mask what we support according to speed_cap_mask */
7113 if (!(bp->link_params.speed_cap_mask &
7114 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7115 bp->port.supported &= ~SUPPORTED_10baseT_Half;
7116
7117 if (!(bp->link_params.speed_cap_mask &
7118 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7119 bp->port.supported &= ~SUPPORTED_10baseT_Full;
7120
7121 if (!(bp->link_params.speed_cap_mask &
7122 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7123 bp->port.supported &= ~SUPPORTED_100baseT_Half;
7124
7125 if (!(bp->link_params.speed_cap_mask &
7126 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7127 bp->port.supported &= ~SUPPORTED_100baseT_Full;
7128
7129 if (!(bp->link_params.speed_cap_mask &
7130 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7131 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7132 SUPPORTED_1000baseT_Full);
7133
7134 if (!(bp->link_params.speed_cap_mask &
7135 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7136 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
7137
7138 if (!(bp->link_params.speed_cap_mask &
7139 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7140 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
7141
7142 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
7143 }
7144
7145 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
7146 {
7147 bp->link_params.req_duplex = DUPLEX_FULL;
7148
7149 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7150 case PORT_FEATURE_LINK_SPEED_AUTO:
7151 if (bp->port.supported & SUPPORTED_Autoneg) {
7152 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7153 bp->port.advertising = bp->port.supported;
7154 } else {
7155 u32 ext_phy_type =
7156 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7157
7158 if ((ext_phy_type ==
7159 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7160 (ext_phy_type ==
7161 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
7162 /* force 10G, no AN */
7163 bp->link_params.req_line_speed = SPEED_10000;
7164 bp->port.advertising =
7165 (ADVERTISED_10000baseT_Full |
7166 ADVERTISED_FIBRE);
7167 break;
7168 }
7169 BNX2X_ERR("NVRAM config error. "
7170 "Invalid link_config 0x%x"
7171 " Autoneg not supported\n",
7172 bp->port.link_config);
7173 return;
7174 }
7175 break;
7176
7177 case PORT_FEATURE_LINK_SPEED_10M_FULL:
7178 if (bp->port.supported & SUPPORTED_10baseT_Full) {
7179 bp->link_params.req_line_speed = SPEED_10;
7180 bp->port.advertising = (ADVERTISED_10baseT_Full |
7181 ADVERTISED_TP);
7182 } else {
7183 BNX2X_ERR("NVRAM config error. "
7184 "Invalid link_config 0x%x"
7185 " speed_cap_mask 0x%x\n",
7186 bp->port.link_config,
7187 bp->link_params.speed_cap_mask);
7188 return;
7189 }
7190 break;
7191
7192 case PORT_FEATURE_LINK_SPEED_10M_HALF:
7193 if (bp->port.supported & SUPPORTED_10baseT_Half) {
7194 bp->link_params.req_line_speed = SPEED_10;
7195 bp->link_params.req_duplex = DUPLEX_HALF;
7196 bp->port.advertising = (ADVERTISED_10baseT_Half |
7197 ADVERTISED_TP);
7198 } else {
7199 BNX2X_ERR("NVRAM config error. "
7200 "Invalid link_config 0x%x"
7201 " speed_cap_mask 0x%x\n",
7202 bp->port.link_config,
7203 bp->link_params.speed_cap_mask);
7204 return;
7205 }
7206 break;
7207
7208 case PORT_FEATURE_LINK_SPEED_100M_FULL:
7209 if (bp->port.supported & SUPPORTED_100baseT_Full) {
7210 bp->link_params.req_line_speed = SPEED_100;
7211 bp->port.advertising = (ADVERTISED_100baseT_Full |
7212 ADVERTISED_TP);
7213 } else {
7214 BNX2X_ERR("NVRAM config error. "
7215 "Invalid link_config 0x%x"
7216 " speed_cap_mask 0x%x\n",
7217 bp->port.link_config,
7218 bp->link_params.speed_cap_mask);
7219 return;
7220 }
7221 break;
7222
7223 case PORT_FEATURE_LINK_SPEED_100M_HALF:
7224 if (bp->port.supported & SUPPORTED_100baseT_Half) {
7225 bp->link_params.req_line_speed = SPEED_100;
7226 bp->link_params.req_duplex = DUPLEX_HALF;
7227 bp->port.advertising = (ADVERTISED_100baseT_Half |
7228 ADVERTISED_TP);
7229 } else {
7230 BNX2X_ERR("NVRAM config error. "
7231 "Invalid link_config 0x%x"
7232 " speed_cap_mask 0x%x\n",
7233 bp->port.link_config,
7234 bp->link_params.speed_cap_mask);
7235 return;
7236 }
7237 break;
7238
7239 case PORT_FEATURE_LINK_SPEED_1G:
7240 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
7241 bp->link_params.req_line_speed = SPEED_1000;
7242 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7243 ADVERTISED_TP);
7244 } else {
7245 BNX2X_ERR("NVRAM config error. "
7246 "Invalid link_config 0x%x"
7247 " speed_cap_mask 0x%x\n",
7248 bp->port.link_config,
7249 bp->link_params.speed_cap_mask);
7250 return;
7251 }
7252 break;
7253
7254 case PORT_FEATURE_LINK_SPEED_2_5G:
7255 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
7256 bp->link_params.req_line_speed = SPEED_2500;
7257 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7258 ADVERTISED_TP);
7259 } else {
7260 BNX2X_ERR("NVRAM config error. "
7261 "Invalid link_config 0x%x"
7262 " speed_cap_mask 0x%x\n",
7263 bp->port.link_config,
7264 bp->link_params.speed_cap_mask);
7265 return;
7266 }
7267 break;
7268
7269 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7270 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7271 case PORT_FEATURE_LINK_SPEED_10G_KR:
7272 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
7273 bp->link_params.req_line_speed = SPEED_10000;
7274 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7275 ADVERTISED_FIBRE);
7276 } else {
7277 BNX2X_ERR("NVRAM config error. "
7278 "Invalid link_config 0x%x"
7279 " speed_cap_mask 0x%x\n",
7280 bp->port.link_config,
7281 bp->link_params.speed_cap_mask);
7282 return;
7283 }
7284 break;
7285
7286 default:
7287 BNX2X_ERR("NVRAM config error. "
7288 "BAD link speed link_config 0x%x\n",
7289 bp->port.link_config);
7290 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7291 bp->port.advertising = bp->port.supported;
7292 break;
7293 }
7294
7295 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7296 PORT_FEATURE_FLOW_CONTROL_MASK);
7297 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
7298 !(bp->port.supported & SUPPORTED_Autoneg))
7299 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
7300
7301 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
7302 " advertising 0x%x\n",
7303 bp->link_params.req_line_speed,
7304 bp->link_params.req_duplex,
7305 bp->link_params.req_flow_ctrl, bp->port.advertising);
7306 }
7307
7308 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
7309 {
7310 int port = BP_PORT(bp);
7311 u32 val, val2;
7312
7313 bp->link_params.bp = bp;
7314 bp->link_params.port = port;
7315
7316 bp->link_params.serdes_config =
7317 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
7318 bp->link_params.lane_config =
7319 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
7320 bp->link_params.ext_phy_config =
7321 SHMEM_RD(bp,
7322 dev_info.port_hw_config[port].external_phy_config);
7323 bp->link_params.speed_cap_mask =
7324 SHMEM_RD(bp,
7325 dev_info.port_hw_config[port].speed_capability_mask);
7326
7327 bp->port.link_config =
7328 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7329
7330 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7331 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7332 " link_config 0x%08x\n",
7333 bp->link_params.serdes_config,
7334 bp->link_params.lane_config,
7335 bp->link_params.ext_phy_config,
7336 bp->link_params.speed_cap_mask, bp->port.link_config);
7337
7338 bp->link_params.switch_cfg = (bp->port.link_config &
7339 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7340 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
7341
7342 bnx2x_link_settings_requested(bp);
7343
7344 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7345 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7346 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7347 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7348 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7349 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7350 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7351 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7352 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7353 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7354 }
7355
7356 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7357 {
7358 int func = BP_FUNC(bp);
7359 u32 val, val2;
7360 int rc = 0;
7361
7362 bnx2x_get_common_hwinfo(bp);
7363
7364 bp->e1hov = 0;
7365 bp->e1hmf = 0;
7366 if (CHIP_IS_E1H(bp)) {
7367 bp->mf_config =
7368 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
7369
7370 val =
7371 (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7372 FUNC_MF_CFG_E1HOV_TAG_MASK);
7373 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
7374
7375 bp->e1hov = val;
7376 bp->e1hmf = 1;
7377 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7378 "(0x%04x)\n",
7379 func, bp->e1hov, bp->e1hov);
7380 } else {
7381 BNX2X_DEV_INFO("Single function mode\n");
7382 if (BP_E1HVN(bp)) {
7383 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7384 " aborting\n", func);
7385 rc = -EPERM;
7386 }
7387 }
7388 }
7389
7390 if (!BP_NOMCP(bp)) {
7391 bnx2x_get_port_hwinfo(bp);
7392
7393 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7394 DRV_MSG_SEQ_NUMBER_MASK);
7395 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7396 }
7397
7398 if (IS_E1HMF(bp)) {
7399 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7400 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7401 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7402 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7403 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7404 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7405 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7406 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7407 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7408 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7409 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7410 ETH_ALEN);
7411 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7412 ETH_ALEN);
7413 }
7414
7415 return rc;
7416 }
7417
7418 if (BP_NOMCP(bp)) {
7419 /* only supposed to happen on emulation/FPGA */
7420 BNX2X_ERR("warning rendom MAC workaround active\n");
7421 random_ether_addr(bp->dev->dev_addr);
7422 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7423 }
7424
7425 return rc;
7426 }
7427
7428 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7429 {
7430 int func = BP_FUNC(bp);
7431 int rc;
7432
7433 /* Disable interrupt handling until HW is initialized */
7434 atomic_set(&bp->intr_sem, 1);
7435
7436 mutex_init(&bp->port.phy_mutex);
7437
7438 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7439 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7440
7441 rc = bnx2x_get_hwinfo(bp);
7442
7443 /* need to reset chip if undi was active */
7444 if (!BP_NOMCP(bp))
7445 bnx2x_undi_unload(bp);
7446
7447 if (CHIP_REV_IS_FPGA(bp))
7448 printk(KERN_ERR PFX "FPGA detected\n");
7449
7450 if (BP_NOMCP(bp) && (func == 0))
7451 printk(KERN_ERR PFX
7452 "MCP disabled, must load devices in order!\n");
7453
7454 /* Set TPA flags */
7455 if (disable_tpa) {
7456 bp->flags &= ~TPA_ENABLE_FLAG;
7457 bp->dev->features &= ~NETIF_F_LRO;
7458 } else {
7459 bp->flags |= TPA_ENABLE_FLAG;
7460 bp->dev->features |= NETIF_F_LRO;
7461 }
7462
7463
7464 bp->tx_ring_size = MAX_TX_AVAIL;
7465 bp->rx_ring_size = MAX_RX_AVAIL;
7466
7467 bp->rx_csum = 1;
7468 bp->rx_offset = 0;
7469
7470 bp->tx_ticks = 50;
7471 bp->rx_ticks = 25;
7472
7473 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7474 bp->current_interval = (poll ? poll : bp->timer_interval);
7475
7476 init_timer(&bp->timer);
7477 bp->timer.expires = jiffies + bp->current_interval;
7478 bp->timer.data = (unsigned long) bp;
7479 bp->timer.function = bnx2x_timer;
7480
7481 return rc;
7482 }
7483
7484 /*
7485 * ethtool service functions
7486 */
7487
7488 /* All ethtool functions called with rtnl_lock */
7489
7490 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7491 {
7492 struct bnx2x *bp = netdev_priv(dev);
7493
7494 cmd->supported = bp->port.supported;
7495 cmd->advertising = bp->port.advertising;
7496
7497 if (netif_carrier_ok(dev)) {
7498 cmd->speed = bp->link_vars.line_speed;
7499 cmd->duplex = bp->link_vars.duplex;
7500 } else {
7501 cmd->speed = bp->link_params.req_line_speed;
7502 cmd->duplex = bp->link_params.req_duplex;
7503 }
7504 if (IS_E1HMF(bp)) {
7505 u16 vn_max_rate;
7506
7507 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7508 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7509 if (vn_max_rate < cmd->speed)
7510 cmd->speed = vn_max_rate;
7511 }
7512
7513 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7514 u32 ext_phy_type =
7515 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7516
7517 switch (ext_phy_type) {
7518 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7519 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7520 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7521 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7522 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7523 cmd->port = PORT_FIBRE;
7524 break;
7525
7526 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7527 cmd->port = PORT_TP;
7528 break;
7529
7530 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7531 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7532 bp->link_params.ext_phy_config);
7533 break;
7534
7535 default:
7536 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
7537 bp->link_params.ext_phy_config);
7538 break;
7539 }
7540 } else
7541 cmd->port = PORT_TP;
7542
7543 cmd->phy_address = bp->port.phy_addr;
7544 cmd->transceiver = XCVR_INTERNAL;
7545
7546 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
7547 cmd->autoneg = AUTONEG_ENABLE;
7548 else
7549 cmd->autoneg = AUTONEG_DISABLE;
7550
7551 cmd->maxtxpkt = 0;
7552 cmd->maxrxpkt = 0;
7553
7554 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7555 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7556 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7557 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7558 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7559 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7560 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7561
7562 return 0;
7563 }
7564
7565 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7566 {
7567 struct bnx2x *bp = netdev_priv(dev);
7568 u32 advertising;
7569
7570 if (IS_E1HMF(bp))
7571 return 0;
7572
7573 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7574 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7575 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7576 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7577 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7578 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7579 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7580
7581 if (cmd->autoneg == AUTONEG_ENABLE) {
7582 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7583 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
7584 return -EINVAL;
7585 }
7586
7587 /* advertise the requested speed and duplex if supported */
7588 cmd->advertising &= bp->port.supported;
7589
7590 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7591 bp->link_params.req_duplex = DUPLEX_FULL;
7592 bp->port.advertising |= (ADVERTISED_Autoneg |
7593 cmd->advertising);
7594
7595 } else { /* forced speed */
7596 /* advertise the requested speed and duplex if supported */
7597 switch (cmd->speed) {
7598 case SPEED_10:
7599 if (cmd->duplex == DUPLEX_FULL) {
7600 if (!(bp->port.supported &
7601 SUPPORTED_10baseT_Full)) {
7602 DP(NETIF_MSG_LINK,
7603 "10M full not supported\n");
7604 return -EINVAL;
7605 }
7606
7607 advertising = (ADVERTISED_10baseT_Full |
7608 ADVERTISED_TP);
7609 } else {
7610 if (!(bp->port.supported &
7611 SUPPORTED_10baseT_Half)) {
7612 DP(NETIF_MSG_LINK,
7613 "10M half not supported\n");
7614 return -EINVAL;
7615 }
7616
7617 advertising = (ADVERTISED_10baseT_Half |
7618 ADVERTISED_TP);
7619 }
7620 break;
7621
7622 case SPEED_100:
7623 if (cmd->duplex == DUPLEX_FULL) {
7624 if (!(bp->port.supported &
7625 SUPPORTED_100baseT_Full)) {
7626 DP(NETIF_MSG_LINK,
7627 "100M full not supported\n");
7628 return -EINVAL;
7629 }
7630
7631 advertising = (ADVERTISED_100baseT_Full |
7632 ADVERTISED_TP);
7633 } else {
7634 if (!(bp->port.supported &
7635 SUPPORTED_100baseT_Half)) {
7636 DP(NETIF_MSG_LINK,
7637 "100M half not supported\n");
7638 return -EINVAL;
7639 }
7640
7641 advertising = (ADVERTISED_100baseT_Half |
7642 ADVERTISED_TP);
7643 }
7644 break;
7645
7646 case SPEED_1000:
7647 if (cmd->duplex != DUPLEX_FULL) {
7648 DP(NETIF_MSG_LINK, "1G half not supported\n");
7649 return -EINVAL;
7650 }
7651
7652 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
7653 DP(NETIF_MSG_LINK, "1G full not supported\n");
7654 return -EINVAL;
7655 }
7656
7657 advertising = (ADVERTISED_1000baseT_Full |
7658 ADVERTISED_TP);
7659 break;
7660
7661 case SPEED_2500:
7662 if (cmd->duplex != DUPLEX_FULL) {
7663 DP(NETIF_MSG_LINK,
7664 "2.5G half not supported\n");
7665 return -EINVAL;
7666 }
7667
7668 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
7669 DP(NETIF_MSG_LINK,
7670 "2.5G full not supported\n");
7671 return -EINVAL;
7672 }
7673
7674 advertising = (ADVERTISED_2500baseX_Full |
7675 ADVERTISED_TP);
7676 break;
7677
7678 case SPEED_10000:
7679 if (cmd->duplex != DUPLEX_FULL) {
7680 DP(NETIF_MSG_LINK, "10G half not supported\n");
7681 return -EINVAL;
7682 }
7683
7684 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
7685 DP(NETIF_MSG_LINK, "10G full not supported\n");
7686 return -EINVAL;
7687 }
7688
7689 advertising = (ADVERTISED_10000baseT_Full |
7690 ADVERTISED_FIBRE);
7691 break;
7692
7693 default:
7694 DP(NETIF_MSG_LINK, "Unsupported speed\n");
7695 return -EINVAL;
7696 }
7697
7698 bp->link_params.req_line_speed = cmd->speed;
7699 bp->link_params.req_duplex = cmd->duplex;
7700 bp->port.advertising = advertising;
7701 }
7702
7703 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
7704 DP_LEVEL " req_duplex %d advertising 0x%x\n",
7705 bp->link_params.req_line_speed, bp->link_params.req_duplex,
7706 bp->port.advertising);
7707
7708 if (netif_running(dev)) {
7709 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7710 bnx2x_link_set(bp);
7711 }
7712
7713 return 0;
7714 }
7715
7716 #define PHY_FW_VER_LEN 10
7717
7718 static void bnx2x_get_drvinfo(struct net_device *dev,
7719 struct ethtool_drvinfo *info)
7720 {
7721 struct bnx2x *bp = netdev_priv(dev);
7722 char phy_fw_ver[PHY_FW_VER_LEN];
7723
7724 strcpy(info->driver, DRV_MODULE_NAME);
7725 strcpy(info->version, DRV_MODULE_VERSION);
7726
7727 phy_fw_ver[0] = '\0';
7728 if (bp->port.pmf) {
7729 bnx2x_acquire_phy_lock(bp);
7730 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7731 (bp->state != BNX2X_STATE_CLOSED),
7732 phy_fw_ver, PHY_FW_VER_LEN);
7733 bnx2x_release_phy_lock(bp);
7734 }
7735
7736 snprintf(info->fw_version, 32, "%d.%d.%d:%d BC:%x%s%s",
7737 BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION,
7738 BCM_5710_FW_REVISION_VERSION,
7739 BCM_5710_FW_COMPILE_FLAGS, bp->common.bc_ver,
7740 ((phy_fw_ver[0] != '\0')? " PHY:":""), phy_fw_ver);
7741 strcpy(info->bus_info, pci_name(bp->pdev));
7742 info->n_stats = BNX2X_NUM_STATS;
7743 info->testinfo_len = BNX2X_NUM_TESTS;
7744 info->eedump_len = bp->common.flash_size;
7745 info->regdump_len = 0;
7746 }
7747
7748 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7749 {
7750 struct bnx2x *bp = netdev_priv(dev);
7751
7752 if (bp->flags & NO_WOL_FLAG) {
7753 wol->supported = 0;
7754 wol->wolopts = 0;
7755 } else {
7756 wol->supported = WAKE_MAGIC;
7757 if (bp->wol)
7758 wol->wolopts = WAKE_MAGIC;
7759 else
7760 wol->wolopts = 0;
7761 }
7762 memset(&wol->sopass, 0, sizeof(wol->sopass));
7763 }
7764
7765 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7766 {
7767 struct bnx2x *bp = netdev_priv(dev);
7768
7769 if (wol->wolopts & ~WAKE_MAGIC)
7770 return -EINVAL;
7771
7772 if (wol->wolopts & WAKE_MAGIC) {
7773 if (bp->flags & NO_WOL_FLAG)
7774 return -EINVAL;
7775
7776 bp->wol = 1;
7777 } else
7778 bp->wol = 0;
7779
7780 return 0;
7781 }
7782
7783 static u32 bnx2x_get_msglevel(struct net_device *dev)
7784 {
7785 struct bnx2x *bp = netdev_priv(dev);
7786
7787 return bp->msglevel;
7788 }
7789
7790 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7791 {
7792 struct bnx2x *bp = netdev_priv(dev);
7793
7794 if (capable(CAP_NET_ADMIN))
7795 bp->msglevel = level;
7796 }
7797
7798 static int bnx2x_nway_reset(struct net_device *dev)
7799 {
7800 struct bnx2x *bp = netdev_priv(dev);
7801
7802 if (!bp->port.pmf)
7803 return 0;
7804
7805 if (netif_running(dev)) {
7806 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7807 bnx2x_link_set(bp);
7808 }
7809
7810 return 0;
7811 }
7812
7813 static int bnx2x_get_eeprom_len(struct net_device *dev)
7814 {
7815 struct bnx2x *bp = netdev_priv(dev);
7816
7817 return bp->common.flash_size;
7818 }
7819
7820 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7821 {
7822 int port = BP_PORT(bp);
7823 int count, i;
7824 u32 val = 0;
7825
7826 /* adjust timeout for emulation/FPGA */
7827 count = NVRAM_TIMEOUT_COUNT;
7828 if (CHIP_REV_IS_SLOW(bp))
7829 count *= 100;
7830
7831 /* request access to nvram interface */
7832 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7833 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7834
7835 for (i = 0; i < count*10; i++) {
7836 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7837 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7838 break;
7839
7840 udelay(5);
7841 }
7842
7843 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
7844 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
7845 return -EBUSY;
7846 }
7847
7848 return 0;
7849 }
7850
7851 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7852 {
7853 int port = BP_PORT(bp);
7854 int count, i;
7855 u32 val = 0;
7856
7857 /* adjust timeout for emulation/FPGA */
7858 count = NVRAM_TIMEOUT_COUNT;
7859 if (CHIP_REV_IS_SLOW(bp))
7860 count *= 100;
7861
7862 /* relinquish nvram interface */
7863 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7864 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7865
7866 for (i = 0; i < count*10; i++) {
7867 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7868 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7869 break;
7870
7871 udelay(5);
7872 }
7873
7874 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
7875 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
7876 return -EBUSY;
7877 }
7878
7879 return 0;
7880 }
7881
7882 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7883 {
7884 u32 val;
7885
7886 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7887
7888 /* enable both bits, even on read */
7889 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7890 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7891 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7892 }
7893
7894 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7895 {
7896 u32 val;
7897
7898 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7899
7900 /* disable both bits, even after read */
7901 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7902 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7903 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7904 }
7905
7906 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7907 u32 cmd_flags)
7908 {
7909 int count, i, rc;
7910 u32 val;
7911
7912 /* build the command word */
7913 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7914
7915 /* need to clear DONE bit separately */
7916 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7917
7918 /* address of the NVRAM to read from */
7919 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7920 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7921
7922 /* issue a read command */
7923 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7924
7925 /* adjust timeout for emulation/FPGA */
7926 count = NVRAM_TIMEOUT_COUNT;
7927 if (CHIP_REV_IS_SLOW(bp))
7928 count *= 100;
7929
7930 /* wait for completion */
7931 *ret_val = 0;
7932 rc = -EBUSY;
7933 for (i = 0; i < count; i++) {
7934 udelay(5);
7935 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7936
7937 if (val & MCPR_NVM_COMMAND_DONE) {
7938 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
7939 /* we read nvram data in cpu order
7940 * but ethtool sees it as an array of bytes
7941 * converting to big-endian will do the work */
7942 val = cpu_to_be32(val);
7943 *ret_val = val;
7944 rc = 0;
7945 break;
7946 }
7947 }
7948
7949 return rc;
7950 }
7951
7952 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
7953 int buf_size)
7954 {
7955 int rc;
7956 u32 cmd_flags;
7957 u32 val;
7958
7959 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
7960 DP(BNX2X_MSG_NVM,
7961 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
7962 offset, buf_size);
7963 return -EINVAL;
7964 }
7965
7966 if (offset + buf_size > bp->common.flash_size) {
7967 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
7968 " buf_size (0x%x) > flash_size (0x%x)\n",
7969 offset, buf_size, bp->common.flash_size);
7970 return -EINVAL;
7971 }
7972
7973 /* request access to nvram interface */
7974 rc = bnx2x_acquire_nvram_lock(bp);
7975 if (rc)
7976 return rc;
7977
7978 /* enable access to nvram interface */
7979 bnx2x_enable_nvram_access(bp);
7980
7981 /* read the first word(s) */
7982 cmd_flags = MCPR_NVM_COMMAND_FIRST;
7983 while ((buf_size > sizeof(u32)) && (rc == 0)) {
7984 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
7985 memcpy(ret_buf, &val, 4);
7986
7987 /* advance to the next dword */
7988 offset += sizeof(u32);
7989 ret_buf += sizeof(u32);
7990 buf_size -= sizeof(u32);
7991 cmd_flags = 0;
7992 }
7993
7994 if (rc == 0) {
7995 cmd_flags |= MCPR_NVM_COMMAND_LAST;
7996 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
7997 memcpy(ret_buf, &val, 4);
7998 }
7999
8000 /* disable access to nvram interface */
8001 bnx2x_disable_nvram_access(bp);
8002 bnx2x_release_nvram_lock(bp);
8003
8004 return rc;
8005 }
8006
8007 static int bnx2x_get_eeprom(struct net_device *dev,
8008 struct ethtool_eeprom *eeprom, u8 *eebuf)
8009 {
8010 struct bnx2x *bp = netdev_priv(dev);
8011 int rc;
8012
8013 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8014 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8015 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8016 eeprom->len, eeprom->len);
8017
8018 /* parameters already validated in ethtool_get_eeprom */
8019
8020 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8021
8022 return rc;
8023 }
8024
8025 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8026 u32 cmd_flags)
8027 {
8028 int count, i, rc;
8029
8030 /* build the command word */
8031 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8032
8033 /* need to clear DONE bit separately */
8034 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8035
8036 /* write the data */
8037 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8038
8039 /* address of the NVRAM to write to */
8040 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8041 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8042
8043 /* issue the write command */
8044 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8045
8046 /* adjust timeout for emulation/FPGA */
8047 count = NVRAM_TIMEOUT_COUNT;
8048 if (CHIP_REV_IS_SLOW(bp))
8049 count *= 100;
8050
8051 /* wait for completion */
8052 rc = -EBUSY;
8053 for (i = 0; i < count; i++) {
8054 udelay(5);
8055 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8056 if (val & MCPR_NVM_COMMAND_DONE) {
8057 rc = 0;
8058 break;
8059 }
8060 }
8061
8062 return rc;
8063 }
8064
8065 #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
8066
8067 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8068 int buf_size)
8069 {
8070 int rc;
8071 u32 cmd_flags;
8072 u32 align_offset;
8073 u32 val;
8074
8075 if (offset + buf_size > bp->common.flash_size) {
8076 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8077 " buf_size (0x%x) > flash_size (0x%x)\n",
8078 offset, buf_size, bp->common.flash_size);
8079 return -EINVAL;
8080 }
8081
8082 /* request access to nvram interface */
8083 rc = bnx2x_acquire_nvram_lock(bp);
8084 if (rc)
8085 return rc;
8086
8087 /* enable access to nvram interface */
8088 bnx2x_enable_nvram_access(bp);
8089
8090 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8091 align_offset = (offset & ~0x03);
8092 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8093
8094 if (rc == 0) {
8095 val &= ~(0xff << BYTE_OFFSET(offset));
8096 val |= (*data_buf << BYTE_OFFSET(offset));
8097
8098 /* nvram data is returned as an array of bytes
8099 * convert it back to cpu order */
8100 val = be32_to_cpu(val);
8101
8102 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8103 cmd_flags);
8104 }
8105
8106 /* disable access to nvram interface */
8107 bnx2x_disable_nvram_access(bp);
8108 bnx2x_release_nvram_lock(bp);
8109
8110 return rc;
8111 }
8112
8113 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8114 int buf_size)
8115 {
8116 int rc;
8117 u32 cmd_flags;
8118 u32 val;
8119 u32 written_so_far;
8120
8121 if (buf_size == 1) /* ethtool */
8122 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
8123
8124 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8125 DP(BNX2X_MSG_NVM,
8126 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
8127 offset, buf_size);
8128 return -EINVAL;
8129 }
8130
8131 if (offset + buf_size > bp->common.flash_size) {
8132 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8133 " buf_size (0x%x) > flash_size (0x%x)\n",
8134 offset, buf_size, bp->common.flash_size);
8135 return -EINVAL;
8136 }
8137
8138 /* request access to nvram interface */
8139 rc = bnx2x_acquire_nvram_lock(bp);
8140 if (rc)
8141 return rc;
8142
8143 /* enable access to nvram interface */
8144 bnx2x_enable_nvram_access(bp);
8145
8146 written_so_far = 0;
8147 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8148 while ((written_so_far < buf_size) && (rc == 0)) {
8149 if (written_so_far == (buf_size - sizeof(u32)))
8150 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8151 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8152 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8153 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8154 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8155
8156 memcpy(&val, data_buf, 4);
8157
8158 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8159
8160 /* advance to the next dword */
8161 offset += sizeof(u32);
8162 data_buf += sizeof(u32);
8163 written_so_far += sizeof(u32);
8164 cmd_flags = 0;
8165 }
8166
8167 /* disable access to nvram interface */
8168 bnx2x_disable_nvram_access(bp);
8169 bnx2x_release_nvram_lock(bp);
8170
8171 return rc;
8172 }
8173
8174 static int bnx2x_set_eeprom(struct net_device *dev,
8175 struct ethtool_eeprom *eeprom, u8 *eebuf)
8176 {
8177 struct bnx2x *bp = netdev_priv(dev);
8178 int rc;
8179
8180 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8181 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8182 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8183 eeprom->len, eeprom->len);
8184
8185 /* parameters already validated in ethtool_set_eeprom */
8186
8187 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8188 if (eeprom->magic == 0x00504859)
8189 if (bp->port.pmf) {
8190
8191 bnx2x_acquire_phy_lock(bp);
8192 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8193 bp->link_params.ext_phy_config,
8194 (bp->state != BNX2X_STATE_CLOSED),
8195 eebuf, eeprom->len);
8196 if ((bp->state == BNX2X_STATE_OPEN) ||
8197 (bp->state == BNX2X_STATE_DISABLED)) {
8198 rc |= bnx2x_link_reset(&bp->link_params,
8199 &bp->link_vars);
8200 rc |= bnx2x_phy_init(&bp->link_params,
8201 &bp->link_vars);
8202 }
8203 bnx2x_release_phy_lock(bp);
8204
8205 } else /* Only the PMF can access the PHY */
8206 return -EINVAL;
8207 else
8208 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
8209
8210 return rc;
8211 }
8212
8213 static int bnx2x_get_coalesce(struct net_device *dev,
8214 struct ethtool_coalesce *coal)
8215 {
8216 struct bnx2x *bp = netdev_priv(dev);
8217
8218 memset(coal, 0, sizeof(struct ethtool_coalesce));
8219
8220 coal->rx_coalesce_usecs = bp->rx_ticks;
8221 coal->tx_coalesce_usecs = bp->tx_ticks;
8222
8223 return 0;
8224 }
8225
8226 static int bnx2x_set_coalesce(struct net_device *dev,
8227 struct ethtool_coalesce *coal)
8228 {
8229 struct bnx2x *bp = netdev_priv(dev);
8230
8231 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8232 if (bp->rx_ticks > 3000)
8233 bp->rx_ticks = 3000;
8234
8235 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8236 if (bp->tx_ticks > 0x3000)
8237 bp->tx_ticks = 0x3000;
8238
8239 if (netif_running(dev))
8240 bnx2x_update_coalesce(bp);
8241
8242 return 0;
8243 }
8244
8245 static int bnx2x_set_flags(struct net_device *dev, u32 data)
8246 {
8247 struct bnx2x *bp = netdev_priv(dev);
8248 int changed = 0;
8249 int rc = 0;
8250
8251 if (data & ETH_FLAG_LRO) {
8252 if (!(dev->features & NETIF_F_LRO)) {
8253 dev->features |= NETIF_F_LRO;
8254 bp->flags |= TPA_ENABLE_FLAG;
8255 changed = 1;
8256 }
8257
8258 } else if (dev->features & NETIF_F_LRO) {
8259 dev->features &= ~NETIF_F_LRO;
8260 bp->flags &= ~TPA_ENABLE_FLAG;
8261 changed = 1;
8262 }
8263
8264 if (changed && netif_running(dev)) {
8265 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8266 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8267 }
8268
8269 return rc;
8270 }
8271
8272 static void bnx2x_get_ringparam(struct net_device *dev,
8273 struct ethtool_ringparam *ering)
8274 {
8275 struct bnx2x *bp = netdev_priv(dev);
8276
8277 ering->rx_max_pending = MAX_RX_AVAIL;
8278 ering->rx_mini_max_pending = 0;
8279 ering->rx_jumbo_max_pending = 0;
8280
8281 ering->rx_pending = bp->rx_ring_size;
8282 ering->rx_mini_pending = 0;
8283 ering->rx_jumbo_pending = 0;
8284
8285 ering->tx_max_pending = MAX_TX_AVAIL;
8286 ering->tx_pending = bp->tx_ring_size;
8287 }
8288
8289 static int bnx2x_set_ringparam(struct net_device *dev,
8290 struct ethtool_ringparam *ering)
8291 {
8292 struct bnx2x *bp = netdev_priv(dev);
8293 int rc = 0;
8294
8295 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8296 (ering->tx_pending > MAX_TX_AVAIL) ||
8297 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8298 return -EINVAL;
8299
8300 bp->rx_ring_size = ering->rx_pending;
8301 bp->tx_ring_size = ering->tx_pending;
8302
8303 if (netif_running(dev)) {
8304 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8305 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8306 }
8307
8308 return rc;
8309 }
8310
8311 static void bnx2x_get_pauseparam(struct net_device *dev,
8312 struct ethtool_pauseparam *epause)
8313 {
8314 struct bnx2x *bp = netdev_priv(dev);
8315
8316 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8317 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8318
8319 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8320 FLOW_CTRL_RX);
8321 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8322 FLOW_CTRL_TX);
8323
8324 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8325 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8326 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8327 }
8328
8329 static int bnx2x_set_pauseparam(struct net_device *dev,
8330 struct ethtool_pauseparam *epause)
8331 {
8332 struct bnx2x *bp = netdev_priv(dev);
8333
8334 if (IS_E1HMF(bp))
8335 return 0;
8336
8337 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8338 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8339 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8340
8341 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8342
8343 if (epause->rx_pause)
8344 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8345
8346 if (epause->tx_pause)
8347 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8348
8349 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8350 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8351
8352 if (epause->autoneg) {
8353 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
8354 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
8355 return -EINVAL;
8356 }
8357
8358 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8359 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8360 }
8361
8362 DP(NETIF_MSG_LINK,
8363 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8364
8365 if (netif_running(dev)) {
8366 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8367 bnx2x_link_set(bp);
8368 }
8369
8370 return 0;
8371 }
8372
8373 static u32 bnx2x_get_rx_csum(struct net_device *dev)
8374 {
8375 struct bnx2x *bp = netdev_priv(dev);
8376
8377 return bp->rx_csum;
8378 }
8379
8380 static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8381 {
8382 struct bnx2x *bp = netdev_priv(dev);
8383
8384 bp->rx_csum = data;
8385 return 0;
8386 }
8387
8388 static int bnx2x_set_tso(struct net_device *dev, u32 data)
8389 {
8390 if (data) {
8391 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
8392 dev->features |= NETIF_F_TSO6;
8393 } else {
8394 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
8395 dev->features &= ~NETIF_F_TSO6;
8396 }
8397
8398 return 0;
8399 }
8400
8401 static const struct {
8402 char string[ETH_GSTRING_LEN];
8403 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
8404 { "register_test (offline)" },
8405 { "memory_test (offline)" },
8406 { "loopback_test (offline)" },
8407 { "nvram_test (online)" },
8408 { "interrupt_test (online)" },
8409 { "link_test (online)" },
8410 { "idle check (online)" },
8411 { "MC errors (online)" }
8412 };
8413
8414 static int bnx2x_self_test_count(struct net_device *dev)
8415 {
8416 return BNX2X_NUM_TESTS;
8417 }
8418
8419 static int bnx2x_test_registers(struct bnx2x *bp)
8420 {
8421 int idx, i, rc = -ENODEV;
8422 u32 wr_val = 0;
8423 int port = BP_PORT(bp);
8424 static const struct {
8425 u32 offset0;
8426 u32 offset1;
8427 u32 mask;
8428 } reg_tbl[] = {
8429 /* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8430 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8431 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8432 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8433 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8434 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8435 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8436 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8437 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8438 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8439 /* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8440 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8441 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8442 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8443 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8444 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8445 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8446 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8447 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8448 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8449 /* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8450 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8451 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8452 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8453 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8454 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8455 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8456 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8457 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8458 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8459 /* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8460 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8461 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8462 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8463 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8464 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8465 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8466 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8467
8468 { 0xffffffff, 0, 0x00000000 }
8469 };
8470
8471 if (!netif_running(bp->dev))
8472 return rc;
8473
8474 /* Repeat the test twice:
8475 First by writing 0x00000000, second by writing 0xffffffff */
8476 for (idx = 0; idx < 2; idx++) {
8477
8478 switch (idx) {
8479 case 0:
8480 wr_val = 0;
8481 break;
8482 case 1:
8483 wr_val = 0xffffffff;
8484 break;
8485 }
8486
8487 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8488 u32 offset, mask, save_val, val;
8489
8490 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8491 mask = reg_tbl[i].mask;
8492
8493 save_val = REG_RD(bp, offset);
8494
8495 REG_WR(bp, offset, wr_val);
8496 val = REG_RD(bp, offset);
8497
8498 /* Restore the original register's value */
8499 REG_WR(bp, offset, save_val);
8500
8501 /* verify that value is as expected value */
8502 if ((val & mask) != (wr_val & mask))
8503 goto test_reg_exit;
8504 }
8505 }
8506
8507 rc = 0;
8508
8509 test_reg_exit:
8510 return rc;
8511 }
8512
8513 static int bnx2x_test_memory(struct bnx2x *bp)
8514 {
8515 int i, j, rc = -ENODEV;
8516 u32 val;
8517 static const struct {
8518 u32 offset;
8519 int size;
8520 } mem_tbl[] = {
8521 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8522 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8523 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8524 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8525 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8526 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8527 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8528
8529 { 0xffffffff, 0 }
8530 };
8531 static const struct {
8532 char *name;
8533 u32 offset;
8534 u32 e1_mask;
8535 u32 e1h_mask;
8536 } prty_tbl[] = {
8537 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8538 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8539 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8540 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8541 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8542 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
8543
8544 { NULL, 0xffffffff, 0, 0 }
8545 };
8546
8547 if (!netif_running(bp->dev))
8548 return rc;
8549
8550 /* Go through all the memories */
8551 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8552 for (j = 0; j < mem_tbl[i].size; j++)
8553 REG_RD(bp, mem_tbl[i].offset + j*4);
8554
8555 /* Check the parity status */
8556 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8557 val = REG_RD(bp, prty_tbl[i].offset);
8558 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8559 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
8560 DP(NETIF_MSG_HW,
8561 "%s is 0x%x\n", prty_tbl[i].name, val);
8562 goto test_mem_exit;
8563 }
8564 }
8565
8566 rc = 0;
8567
8568 test_mem_exit:
8569 return rc;
8570 }
8571
8572 static void bnx2x_netif_start(struct bnx2x *bp)
8573 {
8574 int i;
8575
8576 if (atomic_dec_and_test(&bp->intr_sem)) {
8577 if (netif_running(bp->dev)) {
8578 bnx2x_int_enable(bp);
8579 for_each_queue(bp, i)
8580 napi_enable(&bnx2x_fp(bp, i, napi));
8581 if (bp->state == BNX2X_STATE_OPEN)
8582 netif_wake_queue(bp->dev);
8583 }
8584 }
8585 }
8586
8587 static void bnx2x_netif_stop(struct bnx2x *bp)
8588 {
8589 int i;
8590
8591 if (netif_running(bp->dev)) {
8592 netif_tx_disable(bp->dev);
8593 bp->dev->trans_start = jiffies; /* prevent tx timeout */
8594 for_each_queue(bp, i)
8595 napi_disable(&bnx2x_fp(bp, i, napi));
8596 }
8597 bnx2x_int_disable_sync(bp);
8598 }
8599
8600 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8601 {
8602 int cnt = 1000;
8603
8604 if (link_up)
8605 while (bnx2x_link_test(bp) && cnt--)
8606 msleep(10);
8607 }
8608
8609 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8610 {
8611 unsigned int pkt_size, num_pkts, i;
8612 struct sk_buff *skb;
8613 unsigned char *packet;
8614 struct bnx2x_fastpath *fp = &bp->fp[0];
8615 u16 tx_start_idx, tx_idx;
8616 u16 rx_start_idx, rx_idx;
8617 u16 pkt_prod;
8618 struct sw_tx_bd *tx_buf;
8619 struct eth_tx_bd *tx_bd;
8620 dma_addr_t mapping;
8621 union eth_rx_cqe *cqe;
8622 u8 cqe_fp_flags;
8623 struct sw_rx_bd *rx_buf;
8624 u16 len;
8625 int rc = -ENODEV;
8626
8627 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8628 bp->link_params.loopback_mode = LOOPBACK_BMAC;
8629 bnx2x_acquire_phy_lock(bp);
8630 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8631 bnx2x_release_phy_lock(bp);
8632
8633 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8634 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
8635 bnx2x_acquire_phy_lock(bp);
8636 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8637 bnx2x_release_phy_lock(bp);
8638 /* wait until link state is restored */
8639 bnx2x_wait_for_link(bp, link_up);
8640
8641 } else
8642 return -EINVAL;
8643
8644 pkt_size = 1514;
8645 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8646 if (!skb) {
8647 rc = -ENOMEM;
8648 goto test_loopback_exit;
8649 }
8650 packet = skb_put(skb, pkt_size);
8651 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8652 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8653 for (i = ETH_HLEN; i < pkt_size; i++)
8654 packet[i] = (unsigned char) (i & 0xff);
8655
8656 num_pkts = 0;
8657 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8658 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8659
8660 pkt_prod = fp->tx_pkt_prod++;
8661 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8662 tx_buf->first_bd = fp->tx_bd_prod;
8663 tx_buf->skb = skb;
8664
8665 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8666 mapping = pci_map_single(bp->pdev, skb->data,
8667 skb_headlen(skb), PCI_DMA_TODEVICE);
8668 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8669 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8670 tx_bd->nbd = cpu_to_le16(1);
8671 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8672 tx_bd->vlan = cpu_to_le16(pkt_prod);
8673 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8674 ETH_TX_BD_FLAGS_END_BD);
8675 tx_bd->general_data = ((UNICAST_ADDRESS <<
8676 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8677
8678 fp->hw_tx_prods->bds_prod =
8679 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8680 mb(); /* FW restriction: must not reorder writing nbd and packets */
8681 fp->hw_tx_prods->packets_prod =
8682 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8683 DOORBELL(bp, FP_IDX(fp), 0);
8684
8685 mmiowb();
8686
8687 num_pkts++;
8688 fp->tx_bd_prod++;
8689 bp->dev->trans_start = jiffies;
8690
8691 udelay(100);
8692
8693 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8694 if (tx_idx != tx_start_idx + num_pkts)
8695 goto test_loopback_exit;
8696
8697 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8698 if (rx_idx != rx_start_idx + num_pkts)
8699 goto test_loopback_exit;
8700
8701 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8702 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8703 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8704 goto test_loopback_rx_exit;
8705
8706 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8707 if (len != pkt_size)
8708 goto test_loopback_rx_exit;
8709
8710 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8711 skb = rx_buf->skb;
8712 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8713 for (i = ETH_HLEN; i < pkt_size; i++)
8714 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8715 goto test_loopback_rx_exit;
8716
8717 rc = 0;
8718
8719 test_loopback_rx_exit:
8720 bp->dev->last_rx = jiffies;
8721
8722 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8723 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8724 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8725 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8726
8727 /* Update producers */
8728 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8729 fp->rx_sge_prod);
8730 mmiowb(); /* keep prod updates ordered */
8731
8732 test_loopback_exit:
8733 bp->link_params.loopback_mode = LOOPBACK_NONE;
8734
8735 return rc;
8736 }
8737
8738 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8739 {
8740 int rc = 0;
8741
8742 if (!netif_running(bp->dev))
8743 return BNX2X_LOOPBACK_FAILED;
8744
8745 bnx2x_netif_stop(bp);
8746
8747 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8748 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8749 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8750 }
8751
8752 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8753 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8754 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8755 }
8756
8757 bnx2x_netif_start(bp);
8758
8759 return rc;
8760 }
8761
8762 #define CRC32_RESIDUAL 0xdebb20e3
8763
8764 static int bnx2x_test_nvram(struct bnx2x *bp)
8765 {
8766 static const struct {
8767 int offset;
8768 int size;
8769 } nvram_tbl[] = {
8770 { 0, 0x14 }, /* bootstrap */
8771 { 0x14, 0xec }, /* dir */
8772 { 0x100, 0x350 }, /* manuf_info */
8773 { 0x450, 0xf0 }, /* feature_info */
8774 { 0x640, 0x64 }, /* upgrade_key_info */
8775 { 0x6a4, 0x64 },
8776 { 0x708, 0x70 }, /* manuf_key_info */
8777 { 0x778, 0x70 },
8778 { 0, 0 }
8779 };
8780 u32 buf[0x350 / 4];
8781 u8 *data = (u8 *)buf;
8782 int i, rc;
8783 u32 magic, csum;
8784
8785 rc = bnx2x_nvram_read(bp, 0, data, 4);
8786 if (rc) {
8787 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8788 goto test_nvram_exit;
8789 }
8790
8791 magic = be32_to_cpu(buf[0]);
8792 if (magic != 0x669955aa) {
8793 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8794 rc = -ENODEV;
8795 goto test_nvram_exit;
8796 }
8797
8798 for (i = 0; nvram_tbl[i].size; i++) {
8799
8800 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8801 nvram_tbl[i].size);
8802 if (rc) {
8803 DP(NETIF_MSG_PROBE,
8804 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8805 goto test_nvram_exit;
8806 }
8807
8808 csum = ether_crc_le(nvram_tbl[i].size, data);
8809 if (csum != CRC32_RESIDUAL) {
8810 DP(NETIF_MSG_PROBE,
8811 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8812 rc = -ENODEV;
8813 goto test_nvram_exit;
8814 }
8815 }
8816
8817 test_nvram_exit:
8818 return rc;
8819 }
8820
8821 static int bnx2x_test_intr(struct bnx2x *bp)
8822 {
8823 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8824 int i, rc;
8825
8826 if (!netif_running(bp->dev))
8827 return -ENODEV;
8828
8829 config->hdr.length_6b = 0;
8830 config->hdr.offset = 0;
8831 config->hdr.client_id = BP_CL_ID(bp);
8832 config->hdr.reserved1 = 0;
8833
8834 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8835 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8836 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8837 if (rc == 0) {
8838 bp->set_mac_pending++;
8839 for (i = 0; i < 10; i++) {
8840 if (!bp->set_mac_pending)
8841 break;
8842 msleep_interruptible(10);
8843 }
8844 if (i == 10)
8845 rc = -ENODEV;
8846 }
8847
8848 return rc;
8849 }
8850
8851 static void bnx2x_self_test(struct net_device *dev,
8852 struct ethtool_test *etest, u64 *buf)
8853 {
8854 struct bnx2x *bp = netdev_priv(dev);
8855
8856 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8857
8858 if (!netif_running(dev))
8859 return;
8860
8861 /* offline tests are not suppoerted in MF mode */
8862 if (IS_E1HMF(bp))
8863 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8864
8865 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8866 u8 link_up;
8867
8868 link_up = bp->link_vars.link_up;
8869 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8870 bnx2x_nic_load(bp, LOAD_DIAG);
8871 /* wait until link state is restored */
8872 bnx2x_wait_for_link(bp, link_up);
8873
8874 if (bnx2x_test_registers(bp) != 0) {
8875 buf[0] = 1;
8876 etest->flags |= ETH_TEST_FL_FAILED;
8877 }
8878 if (bnx2x_test_memory(bp) != 0) {
8879 buf[1] = 1;
8880 etest->flags |= ETH_TEST_FL_FAILED;
8881 }
8882 buf[2] = bnx2x_test_loopback(bp, link_up);
8883 if (buf[2] != 0)
8884 etest->flags |= ETH_TEST_FL_FAILED;
8885
8886 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8887 bnx2x_nic_load(bp, LOAD_NORMAL);
8888 /* wait until link state is restored */
8889 bnx2x_wait_for_link(bp, link_up);
8890 }
8891 if (bnx2x_test_nvram(bp) != 0) {
8892 buf[3] = 1;
8893 etest->flags |= ETH_TEST_FL_FAILED;
8894 }
8895 if (bnx2x_test_intr(bp) != 0) {
8896 buf[4] = 1;
8897 etest->flags |= ETH_TEST_FL_FAILED;
8898 }
8899 if (bp->port.pmf)
8900 if (bnx2x_link_test(bp) != 0) {
8901 buf[5] = 1;
8902 etest->flags |= ETH_TEST_FL_FAILED;
8903 }
8904 buf[7] = bnx2x_mc_assert(bp);
8905 if (buf[7] != 0)
8906 etest->flags |= ETH_TEST_FL_FAILED;
8907
8908 #ifdef BNX2X_EXTRA_DEBUG
8909 bnx2x_panic_dump(bp);
8910 #endif
8911 }
8912
8913 static const struct {
8914 long offset;
8915 int size;
8916 u32 flags;
8917 #define STATS_FLAGS_PORT 1
8918 #define STATS_FLAGS_FUNC 2
8919 u8 string[ETH_GSTRING_LEN];
8920 } bnx2x_stats_arr[BNX2X_NUM_STATS] = {
8921 /* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8922 8, STATS_FLAGS_FUNC, "rx_bytes" },
8923 { STATS_OFFSET32(error_bytes_received_hi),
8924 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8925 { STATS_OFFSET32(total_bytes_transmitted_hi),
8926 8, STATS_FLAGS_FUNC, "tx_bytes" },
8927 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8928 8, STATS_FLAGS_PORT, "tx_error_bytes" },
8929 { STATS_OFFSET32(total_unicast_packets_received_hi),
8930 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
8931 { STATS_OFFSET32(total_multicast_packets_received_hi),
8932 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
8933 { STATS_OFFSET32(total_broadcast_packets_received_hi),
8934 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
8935 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
8936 8, STATS_FLAGS_FUNC, "tx_packets" },
8937 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
8938 8, STATS_FLAGS_PORT, "tx_mac_errors" },
8939 /* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
8940 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
8941 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
8942 8, STATS_FLAGS_PORT, "rx_crc_errors" },
8943 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
8944 8, STATS_FLAGS_PORT, "rx_align_errors" },
8945 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
8946 8, STATS_FLAGS_PORT, "tx_single_collisions" },
8947 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
8948 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
8949 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
8950 8, STATS_FLAGS_PORT, "tx_deferred" },
8951 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
8952 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
8953 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
8954 8, STATS_FLAGS_PORT, "tx_late_collisions" },
8955 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
8956 8, STATS_FLAGS_PORT, "tx_total_collisions" },
8957 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
8958 8, STATS_FLAGS_PORT, "rx_fragments" },
8959 /* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
8960 8, STATS_FLAGS_PORT, "rx_jabbers" },
8961 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
8962 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
8963 { STATS_OFFSET32(jabber_packets_received),
8964 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
8965 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
8966 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
8967 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
8968 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
8969 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
8970 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
8971 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
8972 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
8973 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
8974 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
8975 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
8976 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
8977 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
8978 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
8979 /* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
8980 8, STATS_FLAGS_PORT, "rx_xon_frames" },
8981 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
8982 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
8983 { STATS_OFFSET32(tx_stat_outxonsent_hi),
8984 8, STATS_FLAGS_PORT, "tx_xon_frames" },
8985 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
8986 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
8987 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
8988 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
8989 { STATS_OFFSET32(mac_filter_discard),
8990 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
8991 { STATS_OFFSET32(no_buff_discard),
8992 4, STATS_FLAGS_FUNC, "rx_discards" },
8993 { STATS_OFFSET32(xxoverflow_discard),
8994 4, STATS_FLAGS_PORT, "rx_fw_discards" },
8995 { STATS_OFFSET32(brb_drop_hi),
8996 8, STATS_FLAGS_PORT, "brb_discard" },
8997 { STATS_OFFSET32(brb_truncate_hi),
8998 8, STATS_FLAGS_PORT, "brb_truncate" },
8999 /* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9000 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9001 { STATS_OFFSET32(rx_skb_alloc_failed),
9002 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9003 /* 42 */{ STATS_OFFSET32(hw_csum_err),
9004 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
9005 };
9006
9007 #define IS_NOT_E1HMF_STAT(bp, i) \
9008 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9009
9010 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9011 {
9012 struct bnx2x *bp = netdev_priv(dev);
9013 int i, j;
9014
9015 switch (stringset) {
9016 case ETH_SS_STATS:
9017 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9018 if (IS_NOT_E1HMF_STAT(bp, i))
9019 continue;
9020 strcpy(buf + j*ETH_GSTRING_LEN,
9021 bnx2x_stats_arr[i].string);
9022 j++;
9023 }
9024 break;
9025
9026 case ETH_SS_TEST:
9027 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9028 break;
9029 }
9030 }
9031
9032 static int bnx2x_get_stats_count(struct net_device *dev)
9033 {
9034 struct bnx2x *bp = netdev_priv(dev);
9035 int i, num_stats = 0;
9036
9037 for (i = 0; i < BNX2X_NUM_STATS; i++) {
9038 if (IS_NOT_E1HMF_STAT(bp, i))
9039 continue;
9040 num_stats++;
9041 }
9042 return num_stats;
9043 }
9044
9045 static void bnx2x_get_ethtool_stats(struct net_device *dev,
9046 struct ethtool_stats *stats, u64 *buf)
9047 {
9048 struct bnx2x *bp = netdev_priv(dev);
9049 u32 *hw_stats = (u32 *)&bp->eth_stats;
9050 int i, j;
9051
9052 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9053 if (IS_NOT_E1HMF_STAT(bp, i))
9054 continue;
9055
9056 if (bnx2x_stats_arr[i].size == 0) {
9057 /* skip this counter */
9058 buf[j] = 0;
9059 j++;
9060 continue;
9061 }
9062 if (bnx2x_stats_arr[i].size == 4) {
9063 /* 4-byte counter */
9064 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9065 j++;
9066 continue;
9067 }
9068 /* 8-byte counter */
9069 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9070 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9071 j++;
9072 }
9073 }
9074
9075 static int bnx2x_phys_id(struct net_device *dev, u32 data)
9076 {
9077 struct bnx2x *bp = netdev_priv(dev);
9078 int port = BP_PORT(bp);
9079 int i;
9080
9081 if (!netif_running(dev))
9082 return 0;
9083
9084 if (!bp->port.pmf)
9085 return 0;
9086
9087 if (data == 0)
9088 data = 2;
9089
9090 for (i = 0; i < (data * 2); i++) {
9091 if ((i % 2) == 0)
9092 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
9093 bp->link_params.hw_led_mode,
9094 bp->link_params.chip_id);
9095 else
9096 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
9097 bp->link_params.hw_led_mode,
9098 bp->link_params.chip_id);
9099
9100 msleep_interruptible(500);
9101 if (signal_pending(current))
9102 break;
9103 }
9104
9105 if (bp->link_vars.link_up)
9106 bnx2x_set_led(bp, port, LED_MODE_OPER,
9107 bp->link_vars.line_speed,
9108 bp->link_params.hw_led_mode,
9109 bp->link_params.chip_id);
9110
9111 return 0;
9112 }
9113
9114 static struct ethtool_ops bnx2x_ethtool_ops = {
9115 .get_settings = bnx2x_get_settings,
9116 .set_settings = bnx2x_set_settings,
9117 .get_drvinfo = bnx2x_get_drvinfo,
9118 .get_wol = bnx2x_get_wol,
9119 .set_wol = bnx2x_set_wol,
9120 .get_msglevel = bnx2x_get_msglevel,
9121 .set_msglevel = bnx2x_set_msglevel,
9122 .nway_reset = bnx2x_nway_reset,
9123 .get_link = ethtool_op_get_link,
9124 .get_eeprom_len = bnx2x_get_eeprom_len,
9125 .get_eeprom = bnx2x_get_eeprom,
9126 .set_eeprom = bnx2x_set_eeprom,
9127 .get_coalesce = bnx2x_get_coalesce,
9128 .set_coalesce = bnx2x_set_coalesce,
9129 .get_ringparam = bnx2x_get_ringparam,
9130 .set_ringparam = bnx2x_set_ringparam,
9131 .get_pauseparam = bnx2x_get_pauseparam,
9132 .set_pauseparam = bnx2x_set_pauseparam,
9133 .get_rx_csum = bnx2x_get_rx_csum,
9134 .set_rx_csum = bnx2x_set_rx_csum,
9135 .get_tx_csum = ethtool_op_get_tx_csum,
9136 .set_tx_csum = ethtool_op_set_tx_hw_csum,
9137 .set_flags = bnx2x_set_flags,
9138 .get_flags = ethtool_op_get_flags,
9139 .get_sg = ethtool_op_get_sg,
9140 .set_sg = ethtool_op_set_sg,
9141 .get_tso = ethtool_op_get_tso,
9142 .set_tso = bnx2x_set_tso,
9143 .self_test_count = bnx2x_self_test_count,
9144 .self_test = bnx2x_self_test,
9145 .get_strings = bnx2x_get_strings,
9146 .phys_id = bnx2x_phys_id,
9147 .get_stats_count = bnx2x_get_stats_count,
9148 .get_ethtool_stats = bnx2x_get_ethtool_stats,
9149 };
9150
9151 /* end of ethtool_ops */
9152
9153 /****************************************************************************
9154 * General service functions
9155 ****************************************************************************/
9156
9157 static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9158 {
9159 u16 pmcsr;
9160
9161 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9162
9163 switch (state) {
9164 case PCI_D0:
9165 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9166 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9167 PCI_PM_CTRL_PME_STATUS));
9168
9169 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9170 /* delay required during transition out of D3hot */
9171 msleep(20);
9172 break;
9173
9174 case PCI_D3hot:
9175 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9176 pmcsr |= 3;
9177
9178 if (bp->wol)
9179 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9180
9181 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9182 pmcsr);
9183
9184 /* No more memory access after this point until
9185 * device is brought back to D0.
9186 */
9187 break;
9188
9189 default:
9190 return -EINVAL;
9191 }
9192 return 0;
9193 }
9194
9195 /*
9196 * net_device service functions
9197 */
9198
9199 static int bnx2x_poll(struct napi_struct *napi, int budget)
9200 {
9201 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9202 napi);
9203 struct bnx2x *bp = fp->bp;
9204 int work_done = 0;
9205
9206 #ifdef BNX2X_STOP_ON_ERROR
9207 if (unlikely(bp->panic))
9208 goto poll_panic;
9209 #endif
9210
9211 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9212 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9213 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9214
9215 bnx2x_update_fpsb_idx(fp);
9216
9217 if (BNX2X_HAS_TX_WORK(fp))
9218 bnx2x_tx_int(fp, budget);
9219
9220 if (BNX2X_HAS_RX_WORK(fp))
9221 work_done = bnx2x_rx_int(fp, budget);
9222
9223 rmb(); /* BNX2X_HAS_WORK() reads the status block */
9224
9225 /* must not complete if we consumed full budget */
9226 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
9227
9228 #ifdef BNX2X_STOP_ON_ERROR
9229 poll_panic:
9230 #endif
9231 netif_rx_complete(bp->dev, napi);
9232
9233 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
9234 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9235 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
9236 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9237 }
9238 return work_done;
9239 }
9240
9241
9242 /* we split the first BD into headers and data BDs
9243 * to ease the pain of our fellow micocode engineers
9244 * we use one mapping for both BDs
9245 * So far this has only been observed to happen
9246 * in Other Operating Systems(TM)
9247 */
9248 static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9249 struct bnx2x_fastpath *fp,
9250 struct eth_tx_bd **tx_bd, u16 hlen,
9251 u16 bd_prod, int nbd)
9252 {
9253 struct eth_tx_bd *h_tx_bd = *tx_bd;
9254 struct eth_tx_bd *d_tx_bd;
9255 dma_addr_t mapping;
9256 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9257
9258 /* first fix first BD */
9259 h_tx_bd->nbd = cpu_to_le16(nbd);
9260 h_tx_bd->nbytes = cpu_to_le16(hlen);
9261
9262 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9263 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9264 h_tx_bd->addr_lo, h_tx_bd->nbd);
9265
9266 /* now get a new data BD
9267 * (after the pbd) and fill it */
9268 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9269 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9270
9271 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9272 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9273
9274 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9275 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9276 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9277 d_tx_bd->vlan = 0;
9278 /* this marks the BD as one that has no individual mapping
9279 * the FW ignores this flag in a BD not marked start
9280 */
9281 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9282 DP(NETIF_MSG_TX_QUEUED,
9283 "TSO split data size is %d (%x:%x)\n",
9284 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9285
9286 /* update tx_bd for marking the last BD flag */
9287 *tx_bd = d_tx_bd;
9288
9289 return bd_prod;
9290 }
9291
9292 static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9293 {
9294 if (fix > 0)
9295 csum = (u16) ~csum_fold(csum_sub(csum,
9296 csum_partial(t_header - fix, fix, 0)));
9297
9298 else if (fix < 0)
9299 csum = (u16) ~csum_fold(csum_add(csum,
9300 csum_partial(t_header, -fix, 0)));
9301
9302 return swab16(csum);
9303 }
9304
9305 static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9306 {
9307 u32 rc;
9308
9309 if (skb->ip_summed != CHECKSUM_PARTIAL)
9310 rc = XMIT_PLAIN;
9311
9312 else {
9313 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9314 rc = XMIT_CSUM_V6;
9315 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9316 rc |= XMIT_CSUM_TCP;
9317
9318 } else {
9319 rc = XMIT_CSUM_V4;
9320 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9321 rc |= XMIT_CSUM_TCP;
9322 }
9323 }
9324
9325 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9326 rc |= XMIT_GSO_V4;
9327
9328 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9329 rc |= XMIT_GSO_V6;
9330
9331 return rc;
9332 }
9333
9334 /* check if packet requires linearization (packet is too fragmented) */
9335 static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9336 u32 xmit_type)
9337 {
9338 int to_copy = 0;
9339 int hlen = 0;
9340 int first_bd_sz = 0;
9341
9342 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9343 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9344
9345 if (xmit_type & XMIT_GSO) {
9346 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9347 /* Check if LSO packet needs to be copied:
9348 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9349 int wnd_size = MAX_FETCH_BD - 3;
9350 /* Number of widnows to check */
9351 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9352 int wnd_idx = 0;
9353 int frag_idx = 0;
9354 u32 wnd_sum = 0;
9355
9356 /* Headers length */
9357 hlen = (int)(skb_transport_header(skb) - skb->data) +
9358 tcp_hdrlen(skb);
9359
9360 /* Amount of data (w/o headers) on linear part of SKB*/
9361 first_bd_sz = skb_headlen(skb) - hlen;
9362
9363 wnd_sum = first_bd_sz;
9364
9365 /* Calculate the first sum - it's special */
9366 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9367 wnd_sum +=
9368 skb_shinfo(skb)->frags[frag_idx].size;
9369
9370 /* If there was data on linear skb data - check it */
9371 if (first_bd_sz > 0) {
9372 if (unlikely(wnd_sum < lso_mss)) {
9373 to_copy = 1;
9374 goto exit_lbl;
9375 }
9376
9377 wnd_sum -= first_bd_sz;
9378 }
9379
9380 /* Others are easier: run through the frag list and
9381 check all windows */
9382 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9383 wnd_sum +=
9384 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9385
9386 if (unlikely(wnd_sum < lso_mss)) {
9387 to_copy = 1;
9388 break;
9389 }
9390 wnd_sum -=
9391 skb_shinfo(skb)->frags[wnd_idx].size;
9392 }
9393
9394 } else {
9395 /* in non-LSO too fragmented packet should always
9396 be linearized */
9397 to_copy = 1;
9398 }
9399 }
9400
9401 exit_lbl:
9402 if (unlikely(to_copy))
9403 DP(NETIF_MSG_TX_QUEUED,
9404 "Linearization IS REQUIRED for %s packet. "
9405 "num_frags %d hlen %d first_bd_sz %d\n",
9406 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9407 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9408
9409 return to_copy;
9410 }
9411
9412 /* called with netif_tx_lock
9413 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
9414 * netif_wake_queue()
9415 */
9416 static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9417 {
9418 struct bnx2x *bp = netdev_priv(dev);
9419 struct bnx2x_fastpath *fp;
9420 struct sw_tx_bd *tx_buf;
9421 struct eth_tx_bd *tx_bd;
9422 struct eth_tx_parse_bd *pbd = NULL;
9423 u16 pkt_prod, bd_prod;
9424 int nbd, fp_index;
9425 dma_addr_t mapping;
9426 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9427 int vlan_off = (bp->e1hov ? 4 : 0);
9428 int i;
9429 u8 hlen = 0;
9430
9431 #ifdef BNX2X_STOP_ON_ERROR
9432 if (unlikely(bp->panic))
9433 return NETDEV_TX_BUSY;
9434 #endif
9435
9436 fp_index = (smp_processor_id() % bp->num_queues);
9437 fp = &bp->fp[fp_index];
9438
9439 if (unlikely(bnx2x_tx_avail(bp->fp) <
9440 (skb_shinfo(skb)->nr_frags + 3))) {
9441 bp->eth_stats.driver_xoff++,
9442 netif_stop_queue(dev);
9443 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9444 return NETDEV_TX_BUSY;
9445 }
9446
9447 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9448 " gso type %x xmit_type %x\n",
9449 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9450 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9451
9452 /* First, check if we need to linearaize the skb
9453 (due to FW restrictions) */
9454 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9455 /* Statistics of linearization */
9456 bp->lin_cnt++;
9457 if (skb_linearize(skb) != 0) {
9458 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9459 "silently dropping this SKB\n");
9460 dev_kfree_skb_any(skb);
9461 return NETDEV_TX_OK;
9462 }
9463 }
9464
9465 /*
9466 Please read carefully. First we use one BD which we mark as start,
9467 then for TSO or xsum we have a parsing info BD,
9468 and only then we have the rest of the TSO BDs.
9469 (don't forget to mark the last one as last,
9470 and to unmap only AFTER you write to the BD ...)
9471 And above all, all pdb sizes are in words - NOT DWORDS!
9472 */
9473
9474 pkt_prod = fp->tx_pkt_prod++;
9475 bd_prod = TX_BD(fp->tx_bd_prod);
9476
9477 /* get a tx_buf and first BD */
9478 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9479 tx_bd = &fp->tx_desc_ring[bd_prod];
9480
9481 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9482 tx_bd->general_data = (UNICAST_ADDRESS <<
9483 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9484 tx_bd->general_data |= 1; /* header nbd */
9485
9486 /* remember the first BD of the packet */
9487 tx_buf->first_bd = fp->tx_bd_prod;
9488 tx_buf->skb = skb;
9489
9490 DP(NETIF_MSG_TX_QUEUED,
9491 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9492 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9493
9494 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9495 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9496 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
9497 vlan_off += 4;
9498 } else
9499 tx_bd->vlan = cpu_to_le16(pkt_prod);
9500
9501 if (xmit_type) {
9502
9503 /* turn on parsing and get a BD */
9504 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9505 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9506
9507 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9508 }
9509
9510 if (xmit_type & XMIT_CSUM) {
9511 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9512
9513 /* for now NS flag is not used in Linux */
9514 pbd->global_data = (hlen |
9515 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9516 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9517
9518 pbd->ip_hlen = (skb_transport_header(skb) -
9519 skb_network_header(skb)) / 2;
9520
9521 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9522
9523 pbd->total_hlen = cpu_to_le16(hlen);
9524 hlen = hlen*2 - vlan_off;
9525
9526 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9527
9528 if (xmit_type & XMIT_CSUM_V4)
9529 tx_bd->bd_flags.as_bitfield |=
9530 ETH_TX_BD_FLAGS_IP_CSUM;
9531 else
9532 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9533
9534 if (xmit_type & XMIT_CSUM_TCP) {
9535 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9536
9537 } else {
9538 s8 fix = SKB_CS_OFF(skb); /* signed! */
9539
9540 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9541 pbd->cs_offset = fix / 2;
9542
9543 DP(NETIF_MSG_TX_QUEUED,
9544 "hlen %d offset %d fix %d csum before fix %x\n",
9545 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9546 SKB_CS(skb));
9547
9548 /* HW bug: fixup the CSUM */
9549 pbd->tcp_pseudo_csum =
9550 bnx2x_csum_fix(skb_transport_header(skb),
9551 SKB_CS(skb), fix);
9552
9553 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9554 pbd->tcp_pseudo_csum);
9555 }
9556 }
9557
9558 mapping = pci_map_single(bp->pdev, skb->data,
9559 skb_headlen(skb), PCI_DMA_TODEVICE);
9560
9561 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9562 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9563 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2);
9564 tx_bd->nbd = cpu_to_le16(nbd);
9565 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9566
9567 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
9568 " nbytes %d flags %x vlan %x\n",
9569 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9570 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9571 le16_to_cpu(tx_bd->vlan));
9572
9573 if (xmit_type & XMIT_GSO) {
9574
9575 DP(NETIF_MSG_TX_QUEUED,
9576 "TSO packet len %d hlen %d total len %d tso size %d\n",
9577 skb->len, hlen, skb_headlen(skb),
9578 skb_shinfo(skb)->gso_size);
9579
9580 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9581
9582 if (unlikely(skb_headlen(skb) > hlen))
9583 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9584 bd_prod, ++nbd);
9585
9586 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9587 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
9588 pbd->tcp_flags = pbd_tcp_flags(skb);
9589
9590 if (xmit_type & XMIT_GSO_V4) {
9591 pbd->ip_id = swab16(ip_hdr(skb)->id);
9592 pbd->tcp_pseudo_csum =
9593 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9594 ip_hdr(skb)->daddr,
9595 0, IPPROTO_TCP, 0));
9596
9597 } else
9598 pbd->tcp_pseudo_csum =
9599 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9600 &ipv6_hdr(skb)->daddr,
9601 0, IPPROTO_TCP, 0));
9602
9603 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9604 }
9605
9606 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9607 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
9608
9609 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9610 tx_bd = &fp->tx_desc_ring[bd_prod];
9611
9612 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9613 frag->size, PCI_DMA_TODEVICE);
9614
9615 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9616 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9617 tx_bd->nbytes = cpu_to_le16(frag->size);
9618 tx_bd->vlan = cpu_to_le16(pkt_prod);
9619 tx_bd->bd_flags.as_bitfield = 0;
9620
9621 DP(NETIF_MSG_TX_QUEUED,
9622 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9623 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9624 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
9625 }
9626
9627 /* now at last mark the BD as the last BD */
9628 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9629
9630 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9631 tx_bd, tx_bd->bd_flags.as_bitfield);
9632
9633 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9634
9635 /* now send a tx doorbell, counting the next BD
9636 * if the packet contains or ends with it
9637 */
9638 if (TX_BD_POFF(bd_prod) < nbd)
9639 nbd++;
9640
9641 if (pbd)
9642 DP(NETIF_MSG_TX_QUEUED,
9643 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9644 " tcp_flags %x xsum %x seq %u hlen %u\n",
9645 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9646 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
9647 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
9648
9649 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
9650
9651 fp->hw_tx_prods->bds_prod =
9652 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
9653 mb(); /* FW restriction: must not reorder writing nbd and packets */
9654 fp->hw_tx_prods->packets_prod =
9655 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
9656 DOORBELL(bp, FP_IDX(fp), 0);
9657
9658 mmiowb();
9659
9660 fp->tx_bd_prod += nbd;
9661 dev->trans_start = jiffies;
9662
9663 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9664 netif_stop_queue(dev);
9665 bp->eth_stats.driver_xoff++;
9666 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9667 netif_wake_queue(dev);
9668 }
9669 fp->tx_pkt++;
9670
9671 return NETDEV_TX_OK;
9672 }
9673
9674 /* called with rtnl_lock */
9675 static int bnx2x_open(struct net_device *dev)
9676 {
9677 struct bnx2x *bp = netdev_priv(dev);
9678
9679 bnx2x_set_power_state(bp, PCI_D0);
9680
9681 return bnx2x_nic_load(bp, LOAD_OPEN);
9682 }
9683
9684 /* called with rtnl_lock */
9685 static int bnx2x_close(struct net_device *dev)
9686 {
9687 struct bnx2x *bp = netdev_priv(dev);
9688
9689 /* Unload the driver, release IRQs */
9690 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9691 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9692 if (!CHIP_REV_IS_SLOW(bp))
9693 bnx2x_set_power_state(bp, PCI_D3hot);
9694
9695 return 0;
9696 }
9697
9698 /* called with netif_tx_lock from set_multicast */
9699 static void bnx2x_set_rx_mode(struct net_device *dev)
9700 {
9701 struct bnx2x *bp = netdev_priv(dev);
9702 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9703 int port = BP_PORT(bp);
9704
9705 if (bp->state != BNX2X_STATE_OPEN) {
9706 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9707 return;
9708 }
9709
9710 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9711
9712 if (dev->flags & IFF_PROMISC)
9713 rx_mode = BNX2X_RX_MODE_PROMISC;
9714
9715 else if ((dev->flags & IFF_ALLMULTI) ||
9716 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9717 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9718
9719 else { /* some multicasts */
9720 if (CHIP_IS_E1(bp)) {
9721 int i, old, offset;
9722 struct dev_mc_list *mclist;
9723 struct mac_configuration_cmd *config =
9724 bnx2x_sp(bp, mcast_config);
9725
9726 for (i = 0, mclist = dev->mc_list;
9727 mclist && (i < dev->mc_count);
9728 i++, mclist = mclist->next) {
9729
9730 config->config_table[i].
9731 cam_entry.msb_mac_addr =
9732 swab16(*(u16 *)&mclist->dmi_addr[0]);
9733 config->config_table[i].
9734 cam_entry.middle_mac_addr =
9735 swab16(*(u16 *)&mclist->dmi_addr[2]);
9736 config->config_table[i].
9737 cam_entry.lsb_mac_addr =
9738 swab16(*(u16 *)&mclist->dmi_addr[4]);
9739 config->config_table[i].cam_entry.flags =
9740 cpu_to_le16(port);
9741 config->config_table[i].
9742 target_table_entry.flags = 0;
9743 config->config_table[i].
9744 target_table_entry.client_id = 0;
9745 config->config_table[i].
9746 target_table_entry.vlan_id = 0;
9747
9748 DP(NETIF_MSG_IFUP,
9749 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9750 config->config_table[i].
9751 cam_entry.msb_mac_addr,
9752 config->config_table[i].
9753 cam_entry.middle_mac_addr,
9754 config->config_table[i].
9755 cam_entry.lsb_mac_addr);
9756 }
9757 old = config->hdr.length_6b;
9758 if (old > i) {
9759 for (; i < old; i++) {
9760 if (CAM_IS_INVALID(config->
9761 config_table[i])) {
9762 i--; /* already invalidated */
9763 break;
9764 }
9765 /* invalidate */
9766 CAM_INVALIDATE(config->
9767 config_table[i]);
9768 }
9769 }
9770
9771 if (CHIP_REV_IS_SLOW(bp))
9772 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9773 else
9774 offset = BNX2X_MAX_MULTICAST*(1 + port);
9775
9776 config->hdr.length_6b = i;
9777 config->hdr.offset = offset;
9778 config->hdr.client_id = BP_CL_ID(bp);
9779 config->hdr.reserved1 = 0;
9780
9781 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9782 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9783 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9784 0);
9785 } else { /* E1H */
9786 /* Accept one or more multicasts */
9787 struct dev_mc_list *mclist;
9788 u32 mc_filter[MC_HASH_SIZE];
9789 u32 crc, bit, regidx;
9790 int i;
9791
9792 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9793
9794 for (i = 0, mclist = dev->mc_list;
9795 mclist && (i < dev->mc_count);
9796 i++, mclist = mclist->next) {
9797
9798 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9799 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9800 mclist->dmi_addr[0], mclist->dmi_addr[1],
9801 mclist->dmi_addr[2], mclist->dmi_addr[3],
9802 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9803
9804 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9805 bit = (crc >> 24) & 0xff;
9806 regidx = bit >> 5;
9807 bit &= 0x1f;
9808 mc_filter[regidx] |= (1 << bit);
9809 }
9810
9811 for (i = 0; i < MC_HASH_SIZE; i++)
9812 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9813 mc_filter[i]);
9814 }
9815 }
9816
9817 bp->rx_mode = rx_mode;
9818 bnx2x_set_storm_rx_mode(bp);
9819 }
9820
9821 /* called with rtnl_lock */
9822 static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9823 {
9824 struct sockaddr *addr = p;
9825 struct bnx2x *bp = netdev_priv(dev);
9826
9827 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
9828 return -EINVAL;
9829
9830 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9831 if (netif_running(dev)) {
9832 if (CHIP_IS_E1(bp))
9833 bnx2x_set_mac_addr_e1(bp);
9834 else
9835 bnx2x_set_mac_addr_e1h(bp);
9836 }
9837
9838 return 0;
9839 }
9840
9841 /* called with rtnl_lock */
9842 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9843 {
9844 struct mii_ioctl_data *data = if_mii(ifr);
9845 struct bnx2x *bp = netdev_priv(dev);
9846 int err;
9847
9848 switch (cmd) {
9849 case SIOCGMIIPHY:
9850 data->phy_id = bp->port.phy_addr;
9851
9852 /* fallthrough */
9853
9854 case SIOCGMIIREG: {
9855 u16 mii_regval;
9856
9857 if (!netif_running(dev))
9858 return -EAGAIN;
9859
9860 mutex_lock(&bp->port.phy_mutex);
9861 err = bnx2x_cl45_read(bp, BP_PORT(bp), 0, bp->port.phy_addr,
9862 DEFAULT_PHY_DEV_ADDR,
9863 (data->reg_num & 0x1f), &mii_regval);
9864 data->val_out = mii_regval;
9865 mutex_unlock(&bp->port.phy_mutex);
9866 return err;
9867 }
9868
9869 case SIOCSMIIREG:
9870 if (!capable(CAP_NET_ADMIN))
9871 return -EPERM;
9872
9873 if (!netif_running(dev))
9874 return -EAGAIN;
9875
9876 mutex_lock(&bp->port.phy_mutex);
9877 err = bnx2x_cl45_write(bp, BP_PORT(bp), 0, bp->port.phy_addr,
9878 DEFAULT_PHY_DEV_ADDR,
9879 (data->reg_num & 0x1f), data->val_in);
9880 mutex_unlock(&bp->port.phy_mutex);
9881 return err;
9882
9883 default:
9884 /* do nothing */
9885 break;
9886 }
9887
9888 return -EOPNOTSUPP;
9889 }
9890
9891 /* called with rtnl_lock */
9892 static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9893 {
9894 struct bnx2x *bp = netdev_priv(dev);
9895 int rc = 0;
9896
9897 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9898 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9899 return -EINVAL;
9900
9901 /* This does not race with packet allocation
9902 * because the actual alloc size is
9903 * only updated as part of load
9904 */
9905 dev->mtu = new_mtu;
9906
9907 if (netif_running(dev)) {
9908 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9909 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
9910 }
9911
9912 return rc;
9913 }
9914
9915 static void bnx2x_tx_timeout(struct net_device *dev)
9916 {
9917 struct bnx2x *bp = netdev_priv(dev);
9918
9919 #ifdef BNX2X_STOP_ON_ERROR
9920 if (!bp->panic)
9921 bnx2x_panic();
9922 #endif
9923 /* This allows the netif to be shutdown gracefully before resetting */
9924 schedule_work(&bp->reset_task);
9925 }
9926
9927 #ifdef BCM_VLAN
9928 /* called with rtnl_lock */
9929 static void bnx2x_vlan_rx_register(struct net_device *dev,
9930 struct vlan_group *vlgrp)
9931 {
9932 struct bnx2x *bp = netdev_priv(dev);
9933
9934 bp->vlgrp = vlgrp;
9935 if (netif_running(dev))
9936 bnx2x_set_client_config(bp);
9937 }
9938
9939 #endif
9940
9941 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9942 static void poll_bnx2x(struct net_device *dev)
9943 {
9944 struct bnx2x *bp = netdev_priv(dev);
9945
9946 disable_irq(bp->pdev->irq);
9947 bnx2x_interrupt(bp->pdev->irq, dev);
9948 enable_irq(bp->pdev->irq);
9949 }
9950 #endif
9951
9952 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9953 struct net_device *dev)
9954 {
9955 struct bnx2x *bp;
9956 int rc;
9957
9958 SET_NETDEV_DEV(dev, &pdev->dev);
9959 bp = netdev_priv(dev);
9960
9961 bp->dev = dev;
9962 bp->pdev = pdev;
9963 bp->flags = 0;
9964 bp->func = PCI_FUNC(pdev->devfn);
9965
9966 rc = pci_enable_device(pdev);
9967 if (rc) {
9968 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
9969 goto err_out;
9970 }
9971
9972 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9973 printk(KERN_ERR PFX "Cannot find PCI device base address,"
9974 " aborting\n");
9975 rc = -ENODEV;
9976 goto err_out_disable;
9977 }
9978
9979 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
9980 printk(KERN_ERR PFX "Cannot find second PCI device"
9981 " base address, aborting\n");
9982 rc = -ENODEV;
9983 goto err_out_disable;
9984 }
9985
9986 if (atomic_read(&pdev->enable_cnt) == 1) {
9987 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9988 if (rc) {
9989 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
9990 " aborting\n");
9991 goto err_out_disable;
9992 }
9993
9994 pci_set_master(pdev);
9995 pci_save_state(pdev);
9996 }
9997
9998 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9999 if (bp->pm_cap == 0) {
10000 printk(KERN_ERR PFX "Cannot find power management"
10001 " capability, aborting\n");
10002 rc = -EIO;
10003 goto err_out_release;
10004 }
10005
10006 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10007 if (bp->pcie_cap == 0) {
10008 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10009 " aborting\n");
10010 rc = -EIO;
10011 goto err_out_release;
10012 }
10013
10014 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10015 bp->flags |= USING_DAC_FLAG;
10016 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10017 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10018 " failed, aborting\n");
10019 rc = -EIO;
10020 goto err_out_release;
10021 }
10022
10023 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10024 printk(KERN_ERR PFX "System does not support DMA,"
10025 " aborting\n");
10026 rc = -EIO;
10027 goto err_out_release;
10028 }
10029
10030 dev->mem_start = pci_resource_start(pdev, 0);
10031 dev->base_addr = dev->mem_start;
10032 dev->mem_end = pci_resource_end(pdev, 0);
10033
10034 dev->irq = pdev->irq;
10035
10036 bp->regview = ioremap_nocache(dev->base_addr,
10037 pci_resource_len(pdev, 0));
10038 if (!bp->regview) {
10039 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10040 rc = -ENOMEM;
10041 goto err_out_release;
10042 }
10043
10044 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10045 min_t(u64, BNX2X_DB_SIZE,
10046 pci_resource_len(pdev, 2)));
10047 if (!bp->doorbells) {
10048 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10049 rc = -ENOMEM;
10050 goto err_out_unmap;
10051 }
10052
10053 bnx2x_set_power_state(bp, PCI_D0);
10054
10055 /* clean indirect addresses */
10056 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10057 PCICFG_VENDOR_ID_OFFSET);
10058 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10059 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10060 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10061 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
10062
10063 dev->hard_start_xmit = bnx2x_start_xmit;
10064 dev->watchdog_timeo = TX_TIMEOUT;
10065
10066 dev->ethtool_ops = &bnx2x_ethtool_ops;
10067 dev->open = bnx2x_open;
10068 dev->stop = bnx2x_close;
10069 dev->set_multicast_list = bnx2x_set_rx_mode;
10070 dev->set_mac_address = bnx2x_change_mac_addr;
10071 dev->do_ioctl = bnx2x_ioctl;
10072 dev->change_mtu = bnx2x_change_mtu;
10073 dev->tx_timeout = bnx2x_tx_timeout;
10074 #ifdef BCM_VLAN
10075 dev->vlan_rx_register = bnx2x_vlan_rx_register;
10076 #endif
10077 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10078 dev->poll_controller = poll_bnx2x;
10079 #endif
10080 dev->features |= NETIF_F_SG;
10081 dev->features |= NETIF_F_HW_CSUM;
10082 if (bp->flags & USING_DAC_FLAG)
10083 dev->features |= NETIF_F_HIGHDMA;
10084 #ifdef BCM_VLAN
10085 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10086 #endif
10087 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
10088 dev->features |= NETIF_F_TSO6;
10089
10090 return 0;
10091
10092 err_out_unmap:
10093 if (bp->regview) {
10094 iounmap(bp->regview);
10095 bp->regview = NULL;
10096 }
10097 if (bp->doorbells) {
10098 iounmap(bp->doorbells);
10099 bp->doorbells = NULL;
10100 }
10101
10102 err_out_release:
10103 if (atomic_read(&pdev->enable_cnt) == 1)
10104 pci_release_regions(pdev);
10105
10106 err_out_disable:
10107 pci_disable_device(pdev);
10108 pci_set_drvdata(pdev, NULL);
10109
10110 err_out:
10111 return rc;
10112 }
10113
10114 static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10115 {
10116 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10117
10118 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10119 return val;
10120 }
10121
10122 /* return value of 1=2.5GHz 2=5GHz */
10123 static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10124 {
10125 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10126
10127 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10128 return val;
10129 }
10130
10131 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10132 const struct pci_device_id *ent)
10133 {
10134 static int version_printed;
10135 struct net_device *dev = NULL;
10136 struct bnx2x *bp;
10137 int rc;
10138 DECLARE_MAC_BUF(mac);
10139
10140 if (version_printed++ == 0)
10141 printk(KERN_INFO "%s", version);
10142
10143 /* dev zeroed in init_etherdev */
10144 dev = alloc_etherdev(sizeof(*bp));
10145 if (!dev) {
10146 printk(KERN_ERR PFX "Cannot allocate net device\n");
10147 return -ENOMEM;
10148 }
10149
10150 netif_carrier_off(dev);
10151
10152 bp = netdev_priv(dev);
10153 bp->msglevel = debug;
10154
10155 rc = bnx2x_init_dev(pdev, dev);
10156 if (rc < 0) {
10157 free_netdev(dev);
10158 return rc;
10159 }
10160
10161 rc = register_netdev(dev);
10162 if (rc) {
10163 dev_err(&pdev->dev, "Cannot register net device\n");
10164 goto init_one_exit;
10165 }
10166
10167 pci_set_drvdata(pdev, dev);
10168
10169 rc = bnx2x_init_bp(bp);
10170 if (rc) {
10171 unregister_netdev(dev);
10172 goto init_one_exit;
10173 }
10174
10175 bp->common.name = board_info[ent->driver_data].name;
10176 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10177 " IRQ %d, ", dev->name, bp->common.name,
10178 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
10179 bnx2x_get_pcie_width(bp),
10180 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10181 dev->base_addr, bp->pdev->irq);
10182 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
10183 return 0;
10184
10185 init_one_exit:
10186 if (bp->regview)
10187 iounmap(bp->regview);
10188
10189 if (bp->doorbells)
10190 iounmap(bp->doorbells);
10191
10192 free_netdev(dev);
10193
10194 if (atomic_read(&pdev->enable_cnt) == 1)
10195 pci_release_regions(pdev);
10196
10197 pci_disable_device(pdev);
10198 pci_set_drvdata(pdev, NULL);
10199
10200 return rc;
10201 }
10202
10203 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10204 {
10205 struct net_device *dev = pci_get_drvdata(pdev);
10206 struct bnx2x *bp;
10207
10208 if (!dev) {
10209 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10210 return;
10211 }
10212 bp = netdev_priv(dev);
10213
10214 unregister_netdev(dev);
10215
10216 if (bp->regview)
10217 iounmap(bp->regview);
10218
10219 if (bp->doorbells)
10220 iounmap(bp->doorbells);
10221
10222 free_netdev(dev);
10223
10224 if (atomic_read(&pdev->enable_cnt) == 1)
10225 pci_release_regions(pdev);
10226
10227 pci_disable_device(pdev);
10228 pci_set_drvdata(pdev, NULL);
10229 }
10230
10231 static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10232 {
10233 struct net_device *dev = pci_get_drvdata(pdev);
10234 struct bnx2x *bp;
10235
10236 if (!dev) {
10237 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10238 return -ENODEV;
10239 }
10240 bp = netdev_priv(dev);
10241
10242 rtnl_lock();
10243
10244 pci_save_state(pdev);
10245
10246 if (!netif_running(dev)) {
10247 rtnl_unlock();
10248 return 0;
10249 }
10250
10251 netif_device_detach(dev);
10252
10253 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10254
10255 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10256
10257 rtnl_unlock();
10258
10259 return 0;
10260 }
10261
10262 static int bnx2x_resume(struct pci_dev *pdev)
10263 {
10264 struct net_device *dev = pci_get_drvdata(pdev);
10265 struct bnx2x *bp;
10266 int rc;
10267
10268 if (!dev) {
10269 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10270 return -ENODEV;
10271 }
10272 bp = netdev_priv(dev);
10273
10274 rtnl_lock();
10275
10276 pci_restore_state(pdev);
10277
10278 if (!netif_running(dev)) {
10279 rtnl_unlock();
10280 return 0;
10281 }
10282
10283 bnx2x_set_power_state(bp, PCI_D0);
10284 netif_device_attach(dev);
10285
10286 rc = bnx2x_nic_load(bp, LOAD_OPEN);
10287
10288 rtnl_unlock();
10289
10290 return rc;
10291 }
10292
10293 /**
10294 * bnx2x_io_error_detected - called when PCI error is detected
10295 * @pdev: Pointer to PCI device
10296 * @state: The current pci connection state
10297 *
10298 * This function is called after a PCI bus error affecting
10299 * this device has been detected.
10300 */
10301 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10302 pci_channel_state_t state)
10303 {
10304 struct net_device *dev = pci_get_drvdata(pdev);
10305 struct bnx2x *bp = netdev_priv(dev);
10306
10307 rtnl_lock();
10308
10309 netif_device_detach(dev);
10310
10311 if (netif_running(dev))
10312 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10313
10314 pci_disable_device(pdev);
10315
10316 rtnl_unlock();
10317
10318 /* Request a slot reset */
10319 return PCI_ERS_RESULT_NEED_RESET;
10320 }
10321
10322 /**
10323 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10324 * @pdev: Pointer to PCI device
10325 *
10326 * Restart the card from scratch, as if from a cold-boot.
10327 */
10328 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10329 {
10330 struct net_device *dev = pci_get_drvdata(pdev);
10331 struct bnx2x *bp = netdev_priv(dev);
10332
10333 rtnl_lock();
10334
10335 if (pci_enable_device(pdev)) {
10336 dev_err(&pdev->dev,
10337 "Cannot re-enable PCI device after reset\n");
10338 rtnl_unlock();
10339 return PCI_ERS_RESULT_DISCONNECT;
10340 }
10341
10342 pci_set_master(pdev);
10343 pci_restore_state(pdev);
10344
10345 if (netif_running(dev))
10346 bnx2x_set_power_state(bp, PCI_D0);
10347
10348 rtnl_unlock();
10349
10350 return PCI_ERS_RESULT_RECOVERED;
10351 }
10352
10353 /**
10354 * bnx2x_io_resume - called when traffic can start flowing again
10355 * @pdev: Pointer to PCI device
10356 *
10357 * This callback is called when the error recovery driver tells us that
10358 * its OK to resume normal operation.
10359 */
10360 static void bnx2x_io_resume(struct pci_dev *pdev)
10361 {
10362 struct net_device *dev = pci_get_drvdata(pdev);
10363 struct bnx2x *bp = netdev_priv(dev);
10364
10365 rtnl_lock();
10366
10367 if (netif_running(dev))
10368 bnx2x_nic_load(bp, LOAD_OPEN);
10369
10370 netif_device_attach(dev);
10371
10372 rtnl_unlock();
10373 }
10374
10375 static struct pci_error_handlers bnx2x_err_handler = {
10376 .error_detected = bnx2x_io_error_detected,
10377 .slot_reset = bnx2x_io_slot_reset,
10378 .resume = bnx2x_io_resume,
10379 };
10380
10381 static struct pci_driver bnx2x_pci_driver = {
10382 .name = DRV_MODULE_NAME,
10383 .id_table = bnx2x_pci_tbl,
10384 .probe = bnx2x_init_one,
10385 .remove = __devexit_p(bnx2x_remove_one),
10386 .suspend = bnx2x_suspend,
10387 .resume = bnx2x_resume,
10388 .err_handler = &bnx2x_err_handler,
10389 };
10390
10391 static int __init bnx2x_init(void)
10392 {
10393 return pci_register_driver(&bnx2x_pci_driver);
10394 }
10395
10396 static void __exit bnx2x_cleanup(void)
10397 {
10398 pci_unregister_driver(&bnx2x_pci_driver);
10399 }
10400
10401 module_init(bnx2x_init);
10402 module_exit(bnx2x_cleanup);
10403
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree