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[BNX2]: change irq locks to bh locks
[mirror_ubuntu-eoan-kernel.git] / drivers / net / bnx2.c
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b6016b76
MC		 1/* bnx2.c: Broadcom NX2 network driver.
2 *
3 * Copyright (c) 2004, 2005 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 * Written by: Michael Chan (mchan@broadcom.com)
10 */
11
12#include "bnx2.h"
13#include "bnx2_fw.h"
14
15#define DRV_MODULE_NAME "bnx2"
16#define PFX DRV_MODULE_NAME ": "
17#define DRV_MODULE_VERSION "1.2.19"
18#define DRV_MODULE_RELDATE "May 23, 2005"
19
20#define RUN_AT(x) (jiffies + (x))
21
22/* Time in jiffies before concluding the transmitter is hung. */
23#define TX_TIMEOUT (5*HZ)
24
25static char version[] __devinitdata =
26 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
27
28MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
29MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706 Driver");
30MODULE_LICENSE("GPL");
31MODULE_VERSION(DRV_MODULE_VERSION);
32
33static int disable_msi = 0;
34
35module_param(disable_msi, int, 0);
36MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
37
38typedef enum {
39 BCM5706 = 0,
40 NC370T,
41 NC370I,
42 BCM5706S,
43 NC370F,
44} board_t;
45
46/* indexed by board_t, above */
47static struct {
48 char *name;
49} board_info[] __devinitdata = {
50 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
51 { "HP NC370T Multifunction Gigabit Server Adapter" },
52 { "HP NC370i Multifunction Gigabit Server Adapter" },
53 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
54 { "HP NC370F Multifunction Gigabit Server Adapter" },
b6016b76
MC		 55 };
56
57static struct pci_device_id bnx2_pci_tbl[] = {
58 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
59 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
60 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
61 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
62 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
63 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
64 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
65 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
66 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
67 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
68 { 0, }
69};
70
71static struct flash_spec flash_table[] =
72{
73 /* Slow EEPROM */
74 {0x00000000, 0x40030380, 0x009f0081, 0xa184a053, 0xaf000400,
75 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
76 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
77 "EEPROM - slow"},
78 /* Fast EEPROM */
79 {0x02000000, 0x62008380, 0x009f0081, 0xa184a053, 0xaf000400,
80 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
81 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
82 "EEPROM - fast"},
83 /* ATMEL AT45DB011B (buffered flash) */
84 {0x02000003, 0x6e008173, 0x00570081, 0x68848353, 0xaf000400,
85 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
86 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
87 "Buffered flash"},
88 /* Saifun SA25F005 (non-buffered flash) */
89 /* strap, cfg1, & write1 need updates */
90 {0x01000003, 0x5f008081, 0x00050081, 0x03840253, 0xaf020406,
91 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
92 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
93 "Non-buffered flash (64kB)"},
94 /* Saifun SA25F010 (non-buffered flash) */
95 /* strap, cfg1, & write1 need updates */
96 {0x00000001, 0x47008081, 0x00050081, 0x03840253, 0xaf020406,
97 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
98 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
99 "Non-buffered flash (128kB)"},
100 /* Saifun SA25F020 (non-buffered flash) */
101 /* strap, cfg1, & write1 need updates */
102 {0x00000003, 0x4f008081, 0x00050081, 0x03840253, 0xaf020406,
103 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
104 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
105 "Non-buffered flash (256kB)"},
106};
107
108MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
109
e89bbf10
MC		 110static inline u32 bnx2_tx_avail(struct bnx2 *bp)
111{
112 u32 diff = TX_RING_IDX(bp->tx_prod) - TX_RING_IDX(bp->tx_cons);
113
114 if (diff > MAX_TX_DESC_CNT)
115 diff = (diff & MAX_TX_DESC_CNT) - 1;
116 return (bp->tx_ring_size - diff);
117}
118
b6016b76
MC		 119static u32
120bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
121{
122 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
123 return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
124}
125
126static void
127bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
128{
129 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
130 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
131}
132
133static void
134bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
135{
136 offset += cid_addr;
137 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
138 REG_WR(bp, BNX2_CTX_DATA, val);
139}
140
141static int
142bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
143{
144 u32 val1;
145 int i, ret;
146
147 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
148 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
149 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
150
151 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
152 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
153
154 udelay(40);
155 }
156
157 val1 = (bp->phy_addr << 21) | (reg << 16) |
158 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
159 BNX2_EMAC_MDIO_COMM_START_BUSY;
160 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
161
162 for (i = 0; i < 50; i++) {
163 udelay(10);
164
165 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
166 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
167 udelay(5);
168
169 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
170 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
171
172 break;
173 }
174 }
175
176 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
177 *val = 0x0;
178 ret = -EBUSY;
179 }
180 else {
181 *val = val1;
182 ret = 0;
183 }
184
185 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
186 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
187 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
188
189 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
190 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
191
192 udelay(40);
193 }
194
195 return ret;
196}
197
198static int
199bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
200{
201 u32 val1;
202 int i, ret;
203
204 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
205 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
206 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
207
208 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
209 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
210
211 udelay(40);
212 }
213
214 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
215 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
216 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
217 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
218
219 for (i = 0; i < 50; i++) {
220 udelay(10);
221
222 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
223 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
224 udelay(5);
225 break;
226 }
227 }
228
229 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
230 ret = -EBUSY;
231 else
232 ret = 0;
233
234 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
235 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
236 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
237
238 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
239 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
240
241 udelay(40);
242 }
243
244 return ret;
245}
246
247static void
248bnx2_disable_int(struct bnx2 *bp)
249{
250 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
251 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
252 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
253}
254
255static void
256bnx2_enable_int(struct bnx2 *bp)
257{
258 u32 val;
259
260 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
261 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
262
263 val = REG_RD(bp, BNX2_HC_COMMAND);
264 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
265}
266
267static void
268bnx2_disable_int_sync(struct bnx2 *bp)
269{
270 atomic_inc(&bp->intr_sem);
271 bnx2_disable_int(bp);
272 synchronize_irq(bp->pdev->irq);
273}
274
275static void
276bnx2_netif_stop(struct bnx2 *bp)
277{
278 bnx2_disable_int_sync(bp);
279 if (netif_running(bp->dev)) {
280 netif_poll_disable(bp->dev);
281 netif_tx_disable(bp->dev);
282 bp->dev->trans_start = jiffies; /* prevent tx timeout */
283 }
284}
285
286static void
287bnx2_netif_start(struct bnx2 *bp)
288{
289 if (atomic_dec_and_test(&bp->intr_sem)) {
290 if (netif_running(bp->dev)) {
291 netif_wake_queue(bp->dev);
292 netif_poll_enable(bp->dev);
293 bnx2_enable_int(bp);
294 }
295 }
296}
297
298static void
299bnx2_free_mem(struct bnx2 *bp)
300{
301 if (bp->stats_blk) {
302 pci_free_consistent(bp->pdev, sizeof(struct statistics_block),
303 bp->stats_blk, bp->stats_blk_mapping);
304 bp->stats_blk = NULL;
305 }
306 if (bp->status_blk) {
307 pci_free_consistent(bp->pdev, sizeof(struct status_block),
308 bp->status_blk, bp->status_blk_mapping);
309 bp->status_blk = NULL;
310 }
311 if (bp->tx_desc_ring) {
312 pci_free_consistent(bp->pdev,
313 sizeof(struct tx_bd) * TX_DESC_CNT,
314 bp->tx_desc_ring, bp->tx_desc_mapping);
315 bp->tx_desc_ring = NULL;
316 }
317 if (bp->tx_buf_ring) {
318 kfree(bp->tx_buf_ring);
319 bp->tx_buf_ring = NULL;
320 }
321 if (bp->rx_desc_ring) {
322 pci_free_consistent(bp->pdev,
323 sizeof(struct rx_bd) * RX_DESC_CNT,
324 bp->rx_desc_ring, bp->rx_desc_mapping);
325 bp->rx_desc_ring = NULL;
326 }
327 if (bp->rx_buf_ring) {
328 kfree(bp->rx_buf_ring);
329 bp->rx_buf_ring = NULL;
330 }
331}
332
333static int
334bnx2_alloc_mem(struct bnx2 *bp)
335{
336 bp->tx_buf_ring = kmalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
337 GFP_KERNEL);
338 if (bp->tx_buf_ring == NULL)
339 return -ENOMEM;
340
341 memset(bp->tx_buf_ring, 0, sizeof(struct sw_bd) * TX_DESC_CNT);
342 bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
343 sizeof(struct tx_bd) *
344 TX_DESC_CNT,
345 &bp->tx_desc_mapping);
346 if (bp->tx_desc_ring == NULL)
347 goto alloc_mem_err;
348
349 bp->rx_buf_ring = kmalloc(sizeof(struct sw_bd) * RX_DESC_CNT,
350 GFP_KERNEL);
351 if (bp->rx_buf_ring == NULL)
352 goto alloc_mem_err;
353
354 memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT);
355 bp->rx_desc_ring = pci_alloc_consistent(bp->pdev,
356 sizeof(struct rx_bd) *
357 RX_DESC_CNT,
358 &bp->rx_desc_mapping);
359 if (bp->rx_desc_ring == NULL)
360 goto alloc_mem_err;
361
362 bp->status_blk = pci_alloc_consistent(bp->pdev,
363 sizeof(struct status_block),
364 &bp->status_blk_mapping);
365 if (bp->status_blk == NULL)
366 goto alloc_mem_err;
367
368 memset(bp->status_blk, 0, sizeof(struct status_block));
369
370 bp->stats_blk = pci_alloc_consistent(bp->pdev,
371 sizeof(struct statistics_block),
372 &bp->stats_blk_mapping);
373 if (bp->stats_blk == NULL)
374 goto alloc_mem_err;
375
376 memset(bp->stats_blk, 0, sizeof(struct statistics_block));
377
378 return 0;
379
380alloc_mem_err:
381 bnx2_free_mem(bp);
382 return -ENOMEM;
383}
384
385static void
386bnx2_report_link(struct bnx2 *bp)
387{
388 if (bp->link_up) {
389 netif_carrier_on(bp->dev);
390 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
391
392 printk("%d Mbps ", bp->line_speed);
393
394 if (bp->duplex == DUPLEX_FULL)
395 printk("full duplex");
396 else
397 printk("half duplex");
398
399 if (bp->flow_ctrl) {
400 if (bp->flow_ctrl & FLOW_CTRL_RX) {
401 printk(", receive ");
402 if (bp->flow_ctrl & FLOW_CTRL_TX)
403 printk("& transmit ");
404 }
405 else {
406 printk(", transmit ");
407 }
408 printk("flow control ON");
409 }
410 printk("\n");
411 }
412 else {
413 netif_carrier_off(bp->dev);
414 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
415 }
416}
417
418static void
419bnx2_resolve_flow_ctrl(struct bnx2 *bp)
420{
421 u32 local_adv, remote_adv;
422
423 bp->flow_ctrl = 0;
424 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
425 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
426
427 if (bp->duplex == DUPLEX_FULL) {
428 bp->flow_ctrl = bp->req_flow_ctrl;
429 }
430 return;
431 }
432
433 if (bp->duplex != DUPLEX_FULL) {
434 return;
435 }
436
437 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
438 bnx2_read_phy(bp, MII_LPA, &remote_adv);
439
440 if (bp->phy_flags & PHY_SERDES_FLAG) {
441 u32 new_local_adv = 0;
442 u32 new_remote_adv = 0;
443
444 if (local_adv & ADVERTISE_1000XPAUSE)
445 new_local_adv |= ADVERTISE_PAUSE_CAP;
446 if (local_adv & ADVERTISE_1000XPSE_ASYM)
447 new_local_adv |= ADVERTISE_PAUSE_ASYM;
448 if (remote_adv & ADVERTISE_1000XPAUSE)
449 new_remote_adv |= ADVERTISE_PAUSE_CAP;
450 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
451 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
452
453 local_adv = new_local_adv;
454 remote_adv = new_remote_adv;
455 }
456
457 /* See Table 28B-3 of 802.3ab-1999 spec. */
458 if (local_adv & ADVERTISE_PAUSE_CAP) {
459 if(local_adv & ADVERTISE_PAUSE_ASYM) {
460 if (remote_adv & ADVERTISE_PAUSE_CAP) {
461 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
462 }
463 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
464 bp->flow_ctrl = FLOW_CTRL_RX;
465 }
466 }
467 else {
468 if (remote_adv & ADVERTISE_PAUSE_CAP) {
469 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
470 }
471 }
472 }
473 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
474 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
475 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
476
477 bp->flow_ctrl = FLOW_CTRL_TX;
478 }
479 }
480}
481
482static int
483bnx2_serdes_linkup(struct bnx2 *bp)
484{
485 u32 bmcr, local_adv, remote_adv, common;
486
487 bp->link_up = 1;
488 bp->line_speed = SPEED_1000;
489
490 bnx2_read_phy(bp, MII_BMCR, &bmcr);
491 if (bmcr & BMCR_FULLDPLX) {
492 bp->duplex = DUPLEX_FULL;
493 }
494 else {
495 bp->duplex = DUPLEX_HALF;
496 }
497
498 if (!(bmcr & BMCR_ANENABLE)) {
499 return 0;
500 }
501
502 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
503 bnx2_read_phy(bp, MII_LPA, &remote_adv);
504
505 common = local_adv & remote_adv;
506 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
507
508 if (common & ADVERTISE_1000XFULL) {
509 bp->duplex = DUPLEX_FULL;
510 }
511 else {
512 bp->duplex = DUPLEX_HALF;
513 }
514 }
515
516 return 0;
517}
518
519static int
520bnx2_copper_linkup(struct bnx2 *bp)
521{
522 u32 bmcr;
523
524 bnx2_read_phy(bp, MII_BMCR, &bmcr);
525 if (bmcr & BMCR_ANENABLE) {
526 u32 local_adv, remote_adv, common;
527
528 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
529 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
530
531 common = local_adv & (remote_adv >> 2);
532 if (common & ADVERTISE_1000FULL) {
533 bp->line_speed = SPEED_1000;
534 bp->duplex = DUPLEX_FULL;
535 }
536 else if (common & ADVERTISE_1000HALF) {
537 bp->line_speed = SPEED_1000;
538 bp->duplex = DUPLEX_HALF;
539 }
540 else {
541 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
542 bnx2_read_phy(bp, MII_LPA, &remote_adv);
543
544 common = local_adv & remote_adv;
545 if (common & ADVERTISE_100FULL) {
546 bp->line_speed = SPEED_100;
547 bp->duplex = DUPLEX_FULL;
548 }
549 else if (common & ADVERTISE_100HALF) {
550 bp->line_speed = SPEED_100;
551 bp->duplex = DUPLEX_HALF;
552 }
553 else if (common & ADVERTISE_10FULL) {
554 bp->line_speed = SPEED_10;
555 bp->duplex = DUPLEX_FULL;
556 }
557 else if (common & ADVERTISE_10HALF) {
558 bp->line_speed = SPEED_10;
559 bp->duplex = DUPLEX_HALF;
560 }
561 else {
562 bp->line_speed = 0;
563 bp->link_up = 0;
564 }
565 }
566 }
567 else {
568 if (bmcr & BMCR_SPEED100) {
569 bp->line_speed = SPEED_100;
570 }
571 else {
572 bp->line_speed = SPEED_10;
573 }
574 if (bmcr & BMCR_FULLDPLX) {
575 bp->duplex = DUPLEX_FULL;
576 }
577 else {
578 bp->duplex = DUPLEX_HALF;
579 }
580 }
581
582 return 0;
583}
584
585static int
586bnx2_set_mac_link(struct bnx2 *bp)
587{
588 u32 val;
589
590 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
591 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
592 (bp->duplex == DUPLEX_HALF)) {
593 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
594 }
595
596 /* Configure the EMAC mode register. */
597 val = REG_RD(bp, BNX2_EMAC_MODE);
598
599 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
600 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK);
601
602 if (bp->link_up) {
603 if (bp->line_speed != SPEED_1000)
604 val |= BNX2_EMAC_MODE_PORT_MII;
605 else
606 val |= BNX2_EMAC_MODE_PORT_GMII;
607 }
608 else {
609 val |= BNX2_EMAC_MODE_PORT_GMII;
610 }
611
612 /* Set the MAC to operate in the appropriate duplex mode. */
613 if (bp->duplex == DUPLEX_HALF)
614 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
615 REG_WR(bp, BNX2_EMAC_MODE, val);
616
617 /* Enable/disable rx PAUSE. */
618 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
619
620 if (bp->flow_ctrl & FLOW_CTRL_RX)
621 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
622 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
623
624 /* Enable/disable tx PAUSE. */
625 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
626 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
627
628 if (bp->flow_ctrl & FLOW_CTRL_TX)
629 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
630 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
631
632 /* Acknowledge the interrupt. */
633 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
634
635 return 0;
636}
637
638static int
639bnx2_set_link(struct bnx2 *bp)
640{
641 u32 bmsr;
642 u8 link_up;
643
644 if (bp->loopback == MAC_LOOPBACK) {
645 bp->link_up = 1;
646 return 0;
647 }
648
649 link_up = bp->link_up;
650
651 bnx2_read_phy(bp, MII_BMSR, &bmsr);
652 bnx2_read_phy(bp, MII_BMSR, &bmsr);
653
654 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
655 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
656 u32 val;
657
658 val = REG_RD(bp, BNX2_EMAC_STATUS);
659 if (val & BNX2_EMAC_STATUS_LINK)
660 bmsr |= BMSR_LSTATUS;
661 else
662 bmsr &= ~BMSR_LSTATUS;
663 }
664
665 if (bmsr & BMSR_LSTATUS) {
666 bp->link_up = 1;
667
668 if (bp->phy_flags & PHY_SERDES_FLAG) {
669 bnx2_serdes_linkup(bp);
670 }
671 else {
672 bnx2_copper_linkup(bp);
673 }
674 bnx2_resolve_flow_ctrl(bp);
675 }
676 else {
677 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
678 (bp->autoneg & AUTONEG_SPEED)) {
679
680 u32 bmcr;
681
682 bnx2_read_phy(bp, MII_BMCR, &bmcr);
683 if (!(bmcr & BMCR_ANENABLE)) {
684 bnx2_write_phy(bp, MII_BMCR, bmcr |
685 BMCR_ANENABLE);
686 }
687 }
688 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
689 bp->link_up = 0;
690 }
691
692 if (bp->link_up != link_up) {
693 bnx2_report_link(bp);
694 }
695
696 bnx2_set_mac_link(bp);
697
698 return 0;
699}
700
701static int
702bnx2_reset_phy(struct bnx2 *bp)
703{
704 int i;
705 u32 reg;
706
707 bnx2_write_phy(bp, MII_BMCR, BMCR_RESET);
708
709#define PHY_RESET_MAX_WAIT 100
710 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
711 udelay(10);
712
713 bnx2_read_phy(bp, MII_BMCR, &reg);
714 if (!(reg & BMCR_RESET)) {
715 udelay(20);
716 break;
717 }
718 }
719 if (i == PHY_RESET_MAX_WAIT) {
720 return -EBUSY;
721 }
722 return 0;
723}
724
725static u32
726bnx2_phy_get_pause_adv(struct bnx2 *bp)
727{
728 u32 adv = 0;
729
730 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
731 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
732
733 if (bp->phy_flags & PHY_SERDES_FLAG) {
734 adv = ADVERTISE_1000XPAUSE;
735 }
736 else {
737 adv = ADVERTISE_PAUSE_CAP;
738 }
739 }
740 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
741 if (bp->phy_flags & PHY_SERDES_FLAG) {
742 adv = ADVERTISE_1000XPSE_ASYM;
743 }
744 else {
745 adv = ADVERTISE_PAUSE_ASYM;
746 }
747 }
748 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
749 if (bp->phy_flags & PHY_SERDES_FLAG) {
750 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
751 }
752 else {
753 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
754 }
755 }
756 return adv;
757}
758
759static int
760bnx2_setup_serdes_phy(struct bnx2 *bp)
761{
762 u32 adv, bmcr;
763 u32 new_adv = 0;
764
765 if (!(bp->autoneg & AUTONEG_SPEED)) {
766 u32 new_bmcr;
767
768 bnx2_read_phy(bp, MII_BMCR, &bmcr);
769 new_bmcr = bmcr & ~BMCR_ANENABLE;
770 new_bmcr |= BMCR_SPEED1000;
771 if (bp->req_duplex == DUPLEX_FULL) {
772 new_bmcr |= BMCR_FULLDPLX;
773 }
774 else {
775 new_bmcr &= ~BMCR_FULLDPLX;
776 }
777 if (new_bmcr != bmcr) {
778 /* Force a link down visible on the other side */
779 if (bp->link_up) {
780 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
781 adv &= ~(ADVERTISE_1000XFULL |
782 ADVERTISE_1000XHALF);
783 bnx2_write_phy(bp, MII_ADVERTISE, adv);
784 bnx2_write_phy(bp, MII_BMCR, bmcr |
785 BMCR_ANRESTART | BMCR_ANENABLE);
786
787 bp->link_up = 0;
788 netif_carrier_off(bp->dev);
789 }
790 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
791 }
792 return 0;
793 }
794
795 if (bp->advertising & ADVERTISED_1000baseT_Full)
796 new_adv |= ADVERTISE_1000XFULL;
797
798 new_adv |= bnx2_phy_get_pause_adv(bp);
799
800 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
801 bnx2_read_phy(bp, MII_BMCR, &bmcr);
802
803 bp->serdes_an_pending = 0;
804 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
805 /* Force a link down visible on the other side */
806 if (bp->link_up) {
807 int i;
808
809 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
810 for (i = 0; i < 110; i++) {
811 udelay(100);
812 }
813 }
814
815 bnx2_write_phy(bp, MII_ADVERTISE, new_adv);
816 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART |
817 BMCR_ANENABLE);
cd339a0e
MC		 818 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
819 /* Speed up link-up time when the link partner
820 * does not autonegotiate which is very common
821 * in blade servers. Some blade servers use
822 * IPMI for kerboard input and it's important
823 * to minimize link disruptions. Autoneg. involves
824 * exchanging base pages plus 3 next pages and
825 * normally completes in about 120 msec.
826 */
827 bp->current_interval = SERDES_AN_TIMEOUT;
828 bp->serdes_an_pending = 1;
829 mod_timer(&bp->timer, jiffies + bp->current_interval);
830 }
b6016b76
MC		 831 }
832
833 return 0;
834}
835
836#define ETHTOOL_ALL_FIBRE_SPEED \
837 (ADVERTISED_1000baseT_Full)
838
839#define ETHTOOL_ALL_COPPER_SPEED \
840 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
841 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
842 ADVERTISED_1000baseT_Full)
843
844#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
845 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
846
847#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
848
849static int
850bnx2_setup_copper_phy(struct bnx2 *bp)
851{
852 u32 bmcr;
853 u32 new_bmcr;
854
855 bnx2_read_phy(bp, MII_BMCR, &bmcr);
856
857 if (bp->autoneg & AUTONEG_SPEED) {
858 u32 adv_reg, adv1000_reg;
859 u32 new_adv_reg = 0;
860 u32 new_adv1000_reg = 0;
861
862 bnx2_read_phy(bp, MII_ADVERTISE, &adv_reg);
863 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
864 ADVERTISE_PAUSE_ASYM);
865
866 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
867 adv1000_reg &= PHY_ALL_1000_SPEED;
868
869 if (bp->advertising & ADVERTISED_10baseT_Half)
870 new_adv_reg |= ADVERTISE_10HALF;
871 if (bp->advertising & ADVERTISED_10baseT_Full)
872 new_adv_reg |= ADVERTISE_10FULL;
873 if (bp->advertising & ADVERTISED_100baseT_Half)
874 new_adv_reg |= ADVERTISE_100HALF;
875 if (bp->advertising & ADVERTISED_100baseT_Full)
876 new_adv_reg |= ADVERTISE_100FULL;
877 if (bp->advertising & ADVERTISED_1000baseT_Full)
878 new_adv1000_reg |= ADVERTISE_1000FULL;
879
880 new_adv_reg |= ADVERTISE_CSMA;
881
882 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
883
884 if ((adv1000_reg != new_adv1000_reg) ||
885 (adv_reg != new_adv_reg) ||
886 ((bmcr & BMCR_ANENABLE) == 0)) {
887
888 bnx2_write_phy(bp, MII_ADVERTISE, new_adv_reg);
889 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
890 bnx2_write_phy(bp, MII_BMCR, BMCR_ANRESTART |
891 BMCR_ANENABLE);
892 }
893 else if (bp->link_up) {
894 /* Flow ctrl may have changed from auto to forced */
895 /* or vice-versa. */
896
897 bnx2_resolve_flow_ctrl(bp);
898 bnx2_set_mac_link(bp);
899 }
900 return 0;
901 }
902
903 new_bmcr = 0;
904 if (bp->req_line_speed == SPEED_100) {
905 new_bmcr |= BMCR_SPEED100;
906 }
907 if (bp->req_duplex == DUPLEX_FULL) {
908 new_bmcr |= BMCR_FULLDPLX;
909 }
910 if (new_bmcr != bmcr) {
911 u32 bmsr;
912 int i = 0;
913
914 bnx2_read_phy(bp, MII_BMSR, &bmsr);
915 bnx2_read_phy(bp, MII_BMSR, &bmsr);
916
917 if (bmsr & BMSR_LSTATUS) {
918 /* Force link down */
919 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
920 do {
921 udelay(100);
922 bnx2_read_phy(bp, MII_BMSR, &bmsr);
923 bnx2_read_phy(bp, MII_BMSR, &bmsr);
924 i++;
925 } while ((bmsr & BMSR_LSTATUS) && (i < 620));
926 }
927
928 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
929
930 /* Normally, the new speed is setup after the link has
931 * gone down and up again. In some cases, link will not go
932 * down so we need to set up the new speed here.
933 */
934 if (bmsr & BMSR_LSTATUS) {
935 bp->line_speed = bp->req_line_speed;
936 bp->duplex = bp->req_duplex;
937 bnx2_resolve_flow_ctrl(bp);
938 bnx2_set_mac_link(bp);
939 }
940 }
941 return 0;
942}
943
944static int
945bnx2_setup_phy(struct bnx2 *bp)
946{
947 if (bp->loopback == MAC_LOOPBACK)
948 return 0;
949
950 if (bp->phy_flags & PHY_SERDES_FLAG) {
951 return (bnx2_setup_serdes_phy(bp));
952 }
953 else {
954 return (bnx2_setup_copper_phy(bp));
955 }
956}
957
958static int
959bnx2_init_serdes_phy(struct bnx2 *bp)
960{
961 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
962
963 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
964 REG_WR(bp, BNX2_MISC_UNUSED0, 0x300);
965 }
966
967 if (bp->dev->mtu > 1500) {
968 u32 val;
969
970 /* Set extended packet length bit */
971 bnx2_write_phy(bp, 0x18, 0x7);
972 bnx2_read_phy(bp, 0x18, &val);
973 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
974
975 bnx2_write_phy(bp, 0x1c, 0x6c00);
976 bnx2_read_phy(bp, 0x1c, &val);
977 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
978 }
979 else {
980 u32 val;
981
982 bnx2_write_phy(bp, 0x18, 0x7);
983 bnx2_read_phy(bp, 0x18, &val);
984 bnx2_write_phy(bp, 0x18, val & ~0x4007);
985
986 bnx2_write_phy(bp, 0x1c, 0x6c00);
987 bnx2_read_phy(bp, 0x1c, &val);
988 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
989 }
990
991 return 0;
992}
993
994static int
995bnx2_init_copper_phy(struct bnx2 *bp)
996{
997 bp->phy_flags |= PHY_CRC_FIX_FLAG;
998
999 if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
1000 bnx2_write_phy(bp, 0x18, 0x0c00);
1001 bnx2_write_phy(bp, 0x17, 0x000a);
1002 bnx2_write_phy(bp, 0x15, 0x310b);
1003 bnx2_write_phy(bp, 0x17, 0x201f);
1004 bnx2_write_phy(bp, 0x15, 0x9506);
1005 bnx2_write_phy(bp, 0x17, 0x401f);
1006 bnx2_write_phy(bp, 0x15, 0x14e2);
1007 bnx2_write_phy(bp, 0x18, 0x0400);
1008 }
1009
1010 if (bp->dev->mtu > 1500) {
1011 u32 val;
1012
1013 /* Set extended packet length bit */
1014 bnx2_write_phy(bp, 0x18, 0x7);
1015 bnx2_read_phy(bp, 0x18, &val);
1016 bnx2_write_phy(bp, 0x18, val | 0x4000);
1017
1018 bnx2_read_phy(bp, 0x10, &val);
1019 bnx2_write_phy(bp, 0x10, val | 0x1);
1020 }
1021 else {
1022 u32 val;
1023
1024 bnx2_write_phy(bp, 0x18, 0x7);
1025 bnx2_read_phy(bp, 0x18, &val);
1026 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1027
1028 bnx2_read_phy(bp, 0x10, &val);
1029 bnx2_write_phy(bp, 0x10, val & ~0x1);
1030 }
1031
1032 return 0;
1033}
1034
1035
1036static int
1037bnx2_init_phy(struct bnx2 *bp)
1038{
1039 u32 val;
1040 int rc = 0;
1041
1042 bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
1043 bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
1044
1045 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
1046
1047 bnx2_reset_phy(bp);
1048
1049 bnx2_read_phy(bp, MII_PHYSID1, &val);
1050 bp->phy_id = val << 16;
1051 bnx2_read_phy(bp, MII_PHYSID2, &val);
1052 bp->phy_id |= val & 0xffff;
1053
1054 if (bp->phy_flags & PHY_SERDES_FLAG) {
1055 rc = bnx2_init_serdes_phy(bp);
1056 }
1057 else {
1058 rc = bnx2_init_copper_phy(bp);
1059 }
1060
1061 bnx2_setup_phy(bp);
1062
1063 return rc;
1064}
1065
1066static int
1067bnx2_set_mac_loopback(struct bnx2 *bp)
1068{
1069 u32 mac_mode;
1070
1071 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1072 mac_mode &= ~BNX2_EMAC_MODE_PORT;
1073 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
1074 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1075 bp->link_up = 1;
1076 return 0;
1077}
1078
1079static int
1080bnx2_fw_sync(struct bnx2 *bp, u32 msg_data)
1081{
1082 int i;
1083 u32 val;
1084
1085 if (bp->fw_timed_out)
1086 return -EBUSY;
1087
1088 bp->fw_wr_seq++;
1089 msg_data |= bp->fw_wr_seq;
1090
1091 REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_MB, msg_data);
1092
1093 /* wait for an acknowledgement. */
1094 for (i = 0; i < (FW_ACK_TIME_OUT_MS * 1000)/5; i++) {
1095 udelay(5);
1096
1097 val = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_FW_MB);
1098
1099 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
1100 break;
1101 }
1102
1103 /* If we timed out, inform the firmware that this is the case. */
1104 if (((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) &&
1105 ((msg_data & BNX2_DRV_MSG_DATA) != BNX2_DRV_MSG_DATA_WAIT0)) {
1106
1107 msg_data &= ~BNX2_DRV_MSG_CODE;
1108 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
1109
1110 REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_MB, msg_data);
1111
1112 bp->fw_timed_out = 1;
1113
1114 return -EBUSY;
1115 }
1116
1117 return 0;
1118}
1119
1120static void
1121bnx2_init_context(struct bnx2 *bp)
1122{
1123 u32 vcid;
1124
1125 vcid = 96;
1126 while (vcid) {
1127 u32 vcid_addr, pcid_addr, offset;
1128
1129 vcid--;
1130
1131 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
1132 u32 new_vcid;
1133
1134 vcid_addr = GET_PCID_ADDR(vcid);
1135 if (vcid & 0x8) {
1136 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
1137 }
1138 else {
1139 new_vcid = vcid;
1140 }
1141 pcid_addr = GET_PCID_ADDR(new_vcid);
1142 }
1143 else {
1144 vcid_addr = GET_CID_ADDR(vcid);
1145 pcid_addr = vcid_addr;
1146 }
1147
1148 REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
1149 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1150
1151 /* Zero out the context. */
1152 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) {
1153 CTX_WR(bp, 0x00, offset, 0);
1154 }
1155
1156 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
1157 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1158 }
1159}
1160
1161static int
1162bnx2_alloc_bad_rbuf(struct bnx2 *bp)
1163{
1164 u16 *good_mbuf;
1165 u32 good_mbuf_cnt;
1166 u32 val;
1167
1168 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
1169 if (good_mbuf == NULL) {
1170 printk(KERN_ERR PFX "Failed to allocate memory in "
1171 "bnx2_alloc_bad_rbuf\n");
1172 return -ENOMEM;
1173 }
1174
1175 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
1176 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
1177
1178 good_mbuf_cnt = 0;
1179
1180 /* Allocate a bunch of mbufs and save the good ones in an array. */
1181 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1182 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
1183 REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
1184
1185 val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
1186
1187 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
1188
1189 /* The addresses with Bit 9 set are bad memory blocks. */
1190 if (!(val & (1 << 9))) {
1191 good_mbuf[good_mbuf_cnt] = (u16) val;
1192 good_mbuf_cnt++;
1193 }
1194
1195 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1196 }
1197
1198 /* Free the good ones back to the mbuf pool thus discarding
1199 * all the bad ones. */
1200 while (good_mbuf_cnt) {
1201 good_mbuf_cnt--;
1202
1203 val = good_mbuf[good_mbuf_cnt];
1204 val = (val << 9) | val | 1;
1205
1206 REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
1207 }
1208 kfree(good_mbuf);
1209 return 0;
1210}
1211
1212static void
1213bnx2_set_mac_addr(struct bnx2 *bp)
1214{
1215 u32 val;
1216 u8 *mac_addr = bp->dev->dev_addr;
1217
1218 val = (mac_addr[0] << 8) | mac_addr[1];
1219
1220 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
1221
1222 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
1223 (mac_addr[4] << 8) | mac_addr[5];
1224
1225 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
1226}
1227
1228static inline int
1229bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
1230{
1231 struct sk_buff *skb;
1232 struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
1233 dma_addr_t mapping;
1234 struct rx_bd *rxbd = &bp->rx_desc_ring[index];
1235 unsigned long align;
1236
1237 skb = dev_alloc_skb(bp->rx_buf_size);
1238 if (skb == NULL) {
1239 return -ENOMEM;
1240 }
1241
1242 if (unlikely((align = (unsigned long) skb->data & 0x7))) {
1243 skb_reserve(skb, 8 - align);
1244 }
1245
1246 skb->dev = bp->dev;
1247 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1248 PCI_DMA_FROMDEVICE);
1249
1250 rx_buf->skb = skb;
1251 pci_unmap_addr_set(rx_buf, mapping, mapping);
1252
1253 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
1254 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
1255
1256 bp->rx_prod_bseq += bp->rx_buf_use_size;
1257
1258 return 0;
1259}
1260
1261static void
1262bnx2_phy_int(struct bnx2 *bp)
1263{
1264 u32 new_link_state, old_link_state;
1265
1266 new_link_state = bp->status_blk->status_attn_bits &
1267 STATUS_ATTN_BITS_LINK_STATE;
1268 old_link_state = bp->status_blk->status_attn_bits_ack &
1269 STATUS_ATTN_BITS_LINK_STATE;
1270 if (new_link_state != old_link_state) {
1271 if (new_link_state) {
1272 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD,
1273 STATUS_ATTN_BITS_LINK_STATE);
1274 }
1275 else {
1276 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD,
1277 STATUS_ATTN_BITS_LINK_STATE);
1278 }
1279 bnx2_set_link(bp);
1280 }
1281}
1282
1283static void
1284bnx2_tx_int(struct bnx2 *bp)
1285{
1286 u16 hw_cons, sw_cons, sw_ring_cons;
1287 int tx_free_bd = 0;
1288
1289 hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
1290 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1291 hw_cons++;
1292 }
1293 sw_cons = bp->tx_cons;
1294
1295 while (sw_cons != hw_cons) {
1296 struct sw_bd *tx_buf;
1297 struct sk_buff *skb;
1298 int i, last;
1299
1300 sw_ring_cons = TX_RING_IDX(sw_cons);
1301
1302 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
1303 skb = tx_buf->skb;
1304#ifdef BCM_TSO
1305 /* partial BD completions possible with TSO packets */
1306 if (skb_shinfo(skb)->tso_size) {
1307 u16 last_idx, last_ring_idx;
1308
1309 last_idx = sw_cons +
1310 skb_shinfo(skb)->nr_frags + 1;
1311 last_ring_idx = sw_ring_cons +
1312 skb_shinfo(skb)->nr_frags + 1;
1313 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
1314 last_idx++;
1315 }
1316 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
1317 break;
1318 }
1319 }
1320#endif
1321 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
1322 skb_headlen(skb), PCI_DMA_TODEVICE);
1323
1324 tx_buf->skb = NULL;
1325 last = skb_shinfo(skb)->nr_frags;
1326
1327 for (i = 0; i < last; i++) {
1328 sw_cons = NEXT_TX_BD(sw_cons);
1329
1330 pci_unmap_page(bp->pdev,
1331 pci_unmap_addr(
1332 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
1333 mapping),
1334 skb_shinfo(skb)->frags[i].size,
1335 PCI_DMA_TODEVICE);
1336 }
1337
1338 sw_cons = NEXT_TX_BD(sw_cons);
1339
1340 tx_free_bd += last + 1;
1341
1342 dev_kfree_skb_irq(skb);
1343
1344 hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
1345 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1346 hw_cons++;
1347 }
1348 }
1349
e89bbf10 1350 bp->tx_cons = sw_cons;
b6016b76
MC		 1351
1352 if (unlikely(netif_queue_stopped(bp->dev))) {
c770a65c 1353 spin_lock(&bp->tx_lock);
b6016b76 1354 if ((netif_queue_stopped(bp->dev)) &&
e89bbf10 1355 (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)) {
b6016b76
MC		 1356
1357 netif_wake_queue(bp->dev);
1358 }
c770a65c 1359 spin_unlock(&bp->tx_lock);
b6016b76 1360 }
b6016b76
MC		 1361}
1362
1363static inline void
1364bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
1365 u16 cons, u16 prod)
1366{
1367 struct sw_bd *cons_rx_buf = &bp->rx_buf_ring[cons];
1368 struct sw_bd *prod_rx_buf = &bp->rx_buf_ring[prod];
1369 struct rx_bd *cons_bd = &bp->rx_desc_ring[cons];
1370 struct rx_bd *prod_bd = &bp->rx_desc_ring[prod];
1371
1372 pci_dma_sync_single_for_device(bp->pdev,
1373 pci_unmap_addr(cons_rx_buf, mapping),
1374 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1375
1376 prod_rx_buf->skb = cons_rx_buf->skb;
1377 pci_unmap_addr_set(prod_rx_buf, mapping,
1378 pci_unmap_addr(cons_rx_buf, mapping));
1379
1380 memcpy(prod_bd, cons_bd, 8);
1381
1382 bp->rx_prod_bseq += bp->rx_buf_use_size;
1383
1384}
1385
1386static int
1387bnx2_rx_int(struct bnx2 *bp, int budget)
1388{
1389 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
1390 struct l2_fhdr *rx_hdr;
1391 int rx_pkt = 0;
1392
1393 hw_cons = bp->status_blk->status_rx_quick_consumer_index0;
1394 if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
1395 hw_cons++;
1396 }
1397 sw_cons = bp->rx_cons;
1398 sw_prod = bp->rx_prod;
1399
1400 /* Memory barrier necessary as speculative reads of the rx
1401 * buffer can be ahead of the index in the status block
1402 */
1403 rmb();
1404 while (sw_cons != hw_cons) {
1405 unsigned int len;
1406 u16 status;
1407 struct sw_bd *rx_buf;
1408 struct sk_buff *skb;
1409
1410 sw_ring_cons = RX_RING_IDX(sw_cons);
1411 sw_ring_prod = RX_RING_IDX(sw_prod);
1412
1413 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
1414 skb = rx_buf->skb;
1415 pci_dma_sync_single_for_cpu(bp->pdev,
1416 pci_unmap_addr(rx_buf, mapping),
1417 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1418
1419 rx_hdr = (struct l2_fhdr *) skb->data;
1420 len = rx_hdr->l2_fhdr_pkt_len - 4;
1421
1422 if (rx_hdr->l2_fhdr_errors &
1423 (L2_FHDR_ERRORS_BAD_CRC |
1424 L2_FHDR_ERRORS_PHY_DECODE |
1425 L2_FHDR_ERRORS_ALIGNMENT |
1426 L2_FHDR_ERRORS_TOO_SHORT |
1427 L2_FHDR_ERRORS_GIANT_FRAME)) {
1428
1429 goto reuse_rx;
1430 }
1431
1432 /* Since we don't have a jumbo ring, copy small packets
1433 * if mtu > 1500
1434 */
1435 if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
1436 struct sk_buff *new_skb;
1437
1438 new_skb = dev_alloc_skb(len + 2);
1439 if (new_skb == NULL)
1440 goto reuse_rx;
1441
1442 /* aligned copy */
1443 memcpy(new_skb->data,
1444 skb->data + bp->rx_offset - 2,
1445 len + 2);
1446
1447 skb_reserve(new_skb, 2);
1448 skb_put(new_skb, len);
1449 new_skb->dev = bp->dev;
1450
1451 bnx2_reuse_rx_skb(bp, skb,
1452 sw_ring_cons, sw_ring_prod);
1453
1454 skb = new_skb;
1455 }
1456 else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
1457 pci_unmap_single(bp->pdev,
1458 pci_unmap_addr(rx_buf, mapping),
1459 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1460
1461 skb_reserve(skb, bp->rx_offset);
1462 skb_put(skb, len);
1463 }
1464 else {
1465reuse_rx:
1466 bnx2_reuse_rx_skb(bp, skb,
1467 sw_ring_cons, sw_ring_prod);
1468 goto next_rx;
1469 }
1470
1471 skb->protocol = eth_type_trans(skb, bp->dev);
1472
1473 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
1474 (htons(skb->protocol) != 0x8100)) {
1475
1476 dev_kfree_skb_irq(skb);
1477 goto next_rx;
1478
1479 }
1480
1481 status = rx_hdr->l2_fhdr_status;
1482 skb->ip_summed = CHECKSUM_NONE;
1483 if (bp->rx_csum &&
1484 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
1485 L2_FHDR_STATUS_UDP_DATAGRAM))) {
1486
1487 u16 cksum = rx_hdr->l2_fhdr_tcp_udp_xsum;
1488
1489 if (cksum == 0xffff)
1490 skb->ip_summed = CHECKSUM_UNNECESSARY;
1491 }
1492
1493#ifdef BCM_VLAN
1494 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
1495 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1496 rx_hdr->l2_fhdr_vlan_tag);
1497 }
1498 else
1499#endif
1500 netif_receive_skb(skb);
1501
1502 bp->dev->last_rx = jiffies;
1503 rx_pkt++;
1504
1505next_rx:
1506 rx_buf->skb = NULL;
1507
1508 sw_cons = NEXT_RX_BD(sw_cons);
1509 sw_prod = NEXT_RX_BD(sw_prod);
1510
1511 if ((rx_pkt == budget))
1512 break;
1513 }
1514 bp->rx_cons = sw_cons;
1515 bp->rx_prod = sw_prod;
1516
1517 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
1518
1519 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
1520
1521 mmiowb();
1522
1523 return rx_pkt;
1524
1525}
1526
1527/* MSI ISR - The only difference between this and the INTx ISR
1528 * is that the MSI interrupt is always serviced.
1529 */
1530static irqreturn_t
1531bnx2_msi(int irq, void *dev_instance, struct pt_regs *regs)
1532{
1533 struct net_device *dev = dev_instance;
1534 struct bnx2 *bp = dev->priv;
1535
1536 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1537 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1538 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1539
1540 /* Return here if interrupt is disabled. */
1541 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1542 return IRQ_RETVAL(1);
1543 }
1544
1545 if (netif_rx_schedule_prep(dev)) {
1546 __netif_rx_schedule(dev);
1547 }
1548
1549 return IRQ_RETVAL(1);
1550}
1551
1552static irqreturn_t
1553bnx2_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
1554{
1555 struct net_device *dev = dev_instance;
1556 struct bnx2 *bp = dev->priv;
1557
1558 /* When using INTx, it is possible for the interrupt to arrive
1559 * at the CPU before the status block posted prior to the
1560 * interrupt. Reading a register will flush the status block.
1561 * When using MSI, the MSI message will always complete after
1562 * the status block write.
1563 */
1564 if ((bp->status_blk->status_idx == bp->last_status_idx) ||
1565 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
1566 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
1567 return IRQ_RETVAL(0);
1568
1569 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1570 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1571 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1572
1573 /* Return here if interrupt is shared and is disabled. */
1574 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1575 return IRQ_RETVAL(1);
1576 }
1577
1578 if (netif_rx_schedule_prep(dev)) {
1579 __netif_rx_schedule(dev);
1580 }
1581
1582 return IRQ_RETVAL(1);
1583}
1584
1585static int
1586bnx2_poll(struct net_device *dev, int *budget)
1587{
1588 struct bnx2 *bp = dev->priv;
1589 int rx_done = 1;
1590
1591 bp->last_status_idx = bp->status_blk->status_idx;
1592
1593 rmb();
1594 if ((bp->status_blk->status_attn_bits &
1595 STATUS_ATTN_BITS_LINK_STATE) !=
1596 (bp->status_blk->status_attn_bits_ack &
1597 STATUS_ATTN_BITS_LINK_STATE)) {
1598
c770a65c 1599 spin_lock(&bp->phy_lock);
b6016b76 1600 bnx2_phy_int(bp);
c770a65c 1601 spin_unlock(&bp->phy_lock);
b6016b76
MC		 1602 }
1603
1604 if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_cons) {
1605 bnx2_tx_int(bp);
1606 }
1607
1608 if (bp->status_blk->status_rx_quick_consumer_index0 != bp->rx_cons) {
1609 int orig_budget = *budget;
1610 int work_done;
1611
1612 if (orig_budget > dev->quota)
1613 orig_budget = dev->quota;
1614
1615 work_done = bnx2_rx_int(bp, orig_budget);
1616 *budget -= work_done;
1617 dev->quota -= work_done;
1618
1619 if (work_done >= orig_budget) {
1620 rx_done = 0;
1621 }
1622 }
1623
1624 if (rx_done) {
1625 netif_rx_complete(dev);
1626 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1627 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
1628 bp->last_status_idx);
1629 return 0;
1630 }
1631
1632 return 1;
1633}
1634
1635/* Called with rtnl_lock from vlan functions and also dev->xmit_lock
1636 * from set_multicast.
1637 */
1638static void
1639bnx2_set_rx_mode(struct net_device *dev)
1640{
1641 struct bnx2 *bp = dev->priv;
1642 u32 rx_mode, sort_mode;
1643 int i;
b6016b76 1644
c770a65c 1645 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 1646
1647 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
1648 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
1649 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
1650#ifdef BCM_VLAN
1651 if (!bp->vlgrp) {
1652 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1653 }
1654#else
1655 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1656#endif
1657 if (dev->flags & IFF_PROMISC) {
1658 /* Promiscuous mode. */
1659 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
1660 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN;
1661 }
1662 else if (dev->flags & IFF_ALLMULTI) {
1663 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1664 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1665 0xffffffff);
1666 }
1667 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
1668 }
1669 else {
1670 /* Accept one or more multicast(s). */
1671 struct dev_mc_list *mclist;
1672 u32 mc_filter[NUM_MC_HASH_REGISTERS];
1673 u32 regidx;
1674 u32 bit;
1675 u32 crc;
1676
1677 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
1678
1679 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
1680 i++, mclist = mclist->next) {
1681
1682 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
1683 bit = crc & 0xff;
1684 regidx = (bit & 0xe0) >> 5;
1685 bit &= 0x1f;
1686 mc_filter[regidx] |= (1 << bit);
1687 }
1688
1689 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1690 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1691 mc_filter[i]);
1692 }
1693
1694 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
1695 }
1696
1697 if (rx_mode != bp->rx_mode) {
1698 bp->rx_mode = rx_mode;
1699 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
1700 }
1701
1702 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
1703 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
1704 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
1705
c770a65c 1706 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 1707}
1708
1709static void
1710load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
1711 u32 rv2p_proc)
1712{
1713 int i;
1714 u32 val;
1715
1716
1717 for (i = 0; i < rv2p_code_len; i += 8) {
1718 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, *rv2p_code);
1719 rv2p_code++;
1720 REG_WR(bp, BNX2_RV2P_INSTR_LOW, *rv2p_code);
1721 rv2p_code++;
1722
1723 if (rv2p_proc == RV2P_PROC1) {
1724 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
1725 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
1726 }
1727 else {
1728 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
1729 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
1730 }
1731 }
1732
1733 /* Reset the processor, un-stall is done later. */
1734 if (rv2p_proc == RV2P_PROC1) {
1735 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
1736 }
1737 else {
1738 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
1739 }
1740}
1741
1742static void
1743load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
1744{
1745 u32 offset;
1746 u32 val;
1747
1748 /* Halt the CPU. */
1749 val = REG_RD_IND(bp, cpu_reg->mode);
1750 val |= cpu_reg->mode_value_halt;
1751 REG_WR_IND(bp, cpu_reg->mode, val);
1752 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
1753
1754 /* Load the Text area. */
1755 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
1756 if (fw->text) {
1757 int j;
1758
1759 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
1760 REG_WR_IND(bp, offset, fw->text[j]);
1761 }
1762 }
1763
1764 /* Load the Data area. */
1765 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
1766 if (fw->data) {
1767 int j;
1768
1769 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
1770 REG_WR_IND(bp, offset, fw->data[j]);
1771 }
1772 }
1773
1774 /* Load the SBSS area. */
1775 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
1776 if (fw->sbss) {
1777 int j;
1778
1779 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
1780 REG_WR_IND(bp, offset, fw->sbss[j]);
1781 }
1782 }
1783
1784 /* Load the BSS area. */
1785 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
1786 if (fw->bss) {
1787 int j;
1788
1789 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
1790 REG_WR_IND(bp, offset, fw->bss[j]);
1791 }
1792 }
1793
1794 /* Load the Read-Only area. */
1795 offset = cpu_reg->spad_base +
1796 (fw->rodata_addr - cpu_reg->mips_view_base);
1797 if (fw->rodata) {
1798 int j;
1799
1800 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
1801 REG_WR_IND(bp, offset, fw->rodata[j]);
1802 }
1803 }
1804
1805 /* Clear the pre-fetch instruction. */
1806 REG_WR_IND(bp, cpu_reg->inst, 0);
1807 REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
1808
1809 /* Start the CPU. */
1810 val = REG_RD_IND(bp, cpu_reg->mode);
1811 val &= ~cpu_reg->mode_value_halt;
1812 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
1813 REG_WR_IND(bp, cpu_reg->mode, val);
1814}
1815
1816static void
1817bnx2_init_cpus(struct bnx2 *bp)
1818{
1819 struct cpu_reg cpu_reg;
1820 struct fw_info fw;
1821
1822 /* Initialize the RV2P processor. */
1823 load_rv2p_fw(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), RV2P_PROC1);
1824 load_rv2p_fw(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), RV2P_PROC2);
1825
1826 /* Initialize the RX Processor. */
1827 cpu_reg.mode = BNX2_RXP_CPU_MODE;
1828 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
1829 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
1830 cpu_reg.state = BNX2_RXP_CPU_STATE;
1831 cpu_reg.state_value_clear = 0xffffff;
1832 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
1833 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
1834 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
1835 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
1836 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
1837 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
1838 cpu_reg.mips_view_base = 0x8000000;
1839
1840 fw.ver_major = bnx2_RXP_b06FwReleaseMajor;
1841 fw.ver_minor = bnx2_RXP_b06FwReleaseMinor;
1842 fw.ver_fix = bnx2_RXP_b06FwReleaseFix;
1843 fw.start_addr = bnx2_RXP_b06FwStartAddr;
1844
1845 fw.text_addr = bnx2_RXP_b06FwTextAddr;
1846 fw.text_len = bnx2_RXP_b06FwTextLen;
1847 fw.text_index = 0;
1848 fw.text = bnx2_RXP_b06FwText;
1849
1850 fw.data_addr = bnx2_RXP_b06FwDataAddr;
1851 fw.data_len = bnx2_RXP_b06FwDataLen;
1852 fw.data_index = 0;
1853 fw.data = bnx2_RXP_b06FwData;
1854
1855 fw.sbss_addr = bnx2_RXP_b06FwSbssAddr;
1856 fw.sbss_len = bnx2_RXP_b06FwSbssLen;
1857 fw.sbss_index = 0;
1858 fw.sbss = bnx2_RXP_b06FwSbss;
1859
1860 fw.bss_addr = bnx2_RXP_b06FwBssAddr;
1861 fw.bss_len = bnx2_RXP_b06FwBssLen;
1862 fw.bss_index = 0;
1863 fw.bss = bnx2_RXP_b06FwBss;
1864
1865 fw.rodata_addr = bnx2_RXP_b06FwRodataAddr;
1866 fw.rodata_len = bnx2_RXP_b06FwRodataLen;
1867 fw.rodata_index = 0;
1868 fw.rodata = bnx2_RXP_b06FwRodata;
1869
1870 load_cpu_fw(bp, &cpu_reg, &fw);
1871
1872 /* Initialize the TX Processor. */
1873 cpu_reg.mode = BNX2_TXP_CPU_MODE;
1874 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
1875 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
1876 cpu_reg.state = BNX2_TXP_CPU_STATE;
1877 cpu_reg.state_value_clear = 0xffffff;
1878 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
1879 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
1880 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
1881 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
1882 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
1883 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
1884 cpu_reg.mips_view_base = 0x8000000;
1885
1886 fw.ver_major = bnx2_TXP_b06FwReleaseMajor;
1887 fw.ver_minor = bnx2_TXP_b06FwReleaseMinor;
1888 fw.ver_fix = bnx2_TXP_b06FwReleaseFix;
1889 fw.start_addr = bnx2_TXP_b06FwStartAddr;
1890
1891 fw.text_addr = bnx2_TXP_b06FwTextAddr;
1892 fw.text_len = bnx2_TXP_b06FwTextLen;
1893 fw.text_index = 0;
1894 fw.text = bnx2_TXP_b06FwText;
1895
1896 fw.data_addr = bnx2_TXP_b06FwDataAddr;
1897 fw.data_len = bnx2_TXP_b06FwDataLen;
1898 fw.data_index = 0;
1899 fw.data = bnx2_TXP_b06FwData;
1900
1901 fw.sbss_addr = bnx2_TXP_b06FwSbssAddr;
1902 fw.sbss_len = bnx2_TXP_b06FwSbssLen;
1903 fw.sbss_index = 0;
1904 fw.sbss = bnx2_TXP_b06FwSbss;
1905
1906 fw.bss_addr = bnx2_TXP_b06FwBssAddr;
1907 fw.bss_len = bnx2_TXP_b06FwBssLen;
1908 fw.bss_index = 0;
1909 fw.bss = bnx2_TXP_b06FwBss;
1910
1911 fw.rodata_addr = bnx2_TXP_b06FwRodataAddr;
1912 fw.rodata_len = bnx2_TXP_b06FwRodataLen;
1913 fw.rodata_index = 0;
1914 fw.rodata = bnx2_TXP_b06FwRodata;
1915
1916 load_cpu_fw(bp, &cpu_reg, &fw);
1917
1918 /* Initialize the TX Patch-up Processor. */
1919 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
1920 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
1921 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
1922 cpu_reg.state = BNX2_TPAT_CPU_STATE;
1923 cpu_reg.state_value_clear = 0xffffff;
1924 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
1925 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
1926 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
1927 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
1928 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
1929 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
1930 cpu_reg.mips_view_base = 0x8000000;
1931
1932 fw.ver_major = bnx2_TPAT_b06FwReleaseMajor;
1933 fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor;
1934 fw.ver_fix = bnx2_TPAT_b06FwReleaseFix;
1935 fw.start_addr = bnx2_TPAT_b06FwStartAddr;
1936
1937 fw.text_addr = bnx2_TPAT_b06FwTextAddr;
1938 fw.text_len = bnx2_TPAT_b06FwTextLen;
1939 fw.text_index = 0;
1940 fw.text = bnx2_TPAT_b06FwText;
1941
1942 fw.data_addr = bnx2_TPAT_b06FwDataAddr;
1943 fw.data_len = bnx2_TPAT_b06FwDataLen;
1944 fw.data_index = 0;
1945 fw.data = bnx2_TPAT_b06FwData;
1946
1947 fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr;
1948 fw.sbss_len = bnx2_TPAT_b06FwSbssLen;
1949 fw.sbss_index = 0;
1950 fw.sbss = bnx2_TPAT_b06FwSbss;
1951
1952 fw.bss_addr = bnx2_TPAT_b06FwBssAddr;
1953 fw.bss_len = bnx2_TPAT_b06FwBssLen;
1954 fw.bss_index = 0;
1955 fw.bss = bnx2_TPAT_b06FwBss;
1956
1957 fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr;
1958 fw.rodata_len = bnx2_TPAT_b06FwRodataLen;
1959 fw.rodata_index = 0;
1960 fw.rodata = bnx2_TPAT_b06FwRodata;
1961
1962 load_cpu_fw(bp, &cpu_reg, &fw);
1963
1964 /* Initialize the Completion Processor. */
1965 cpu_reg.mode = BNX2_COM_CPU_MODE;
1966 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
1967 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
1968 cpu_reg.state = BNX2_COM_CPU_STATE;
1969 cpu_reg.state_value_clear = 0xffffff;
1970 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
1971 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
1972 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
1973 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
1974 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
1975 cpu_reg.spad_base = BNX2_COM_SCRATCH;
1976 cpu_reg.mips_view_base = 0x8000000;
1977
1978 fw.ver_major = bnx2_COM_b06FwReleaseMajor;
1979 fw.ver_minor = bnx2_COM_b06FwReleaseMinor;
1980 fw.ver_fix = bnx2_COM_b06FwReleaseFix;
1981 fw.start_addr = bnx2_COM_b06FwStartAddr;
1982
1983 fw.text_addr = bnx2_COM_b06FwTextAddr;
1984 fw.text_len = bnx2_COM_b06FwTextLen;
1985 fw.text_index = 0;
1986 fw.text = bnx2_COM_b06FwText;
1987
1988 fw.data_addr = bnx2_COM_b06FwDataAddr;
1989 fw.data_len = bnx2_COM_b06FwDataLen;
1990 fw.data_index = 0;
1991 fw.data = bnx2_COM_b06FwData;
1992
1993 fw.sbss_addr = bnx2_COM_b06FwSbssAddr;
1994 fw.sbss_len = bnx2_COM_b06FwSbssLen;
1995 fw.sbss_index = 0;
1996 fw.sbss = bnx2_COM_b06FwSbss;
1997
1998 fw.bss_addr = bnx2_COM_b06FwBssAddr;
1999 fw.bss_len = bnx2_COM_b06FwBssLen;
2000 fw.bss_index = 0;
2001 fw.bss = bnx2_COM_b06FwBss;
2002
2003 fw.rodata_addr = bnx2_COM_b06FwRodataAddr;
2004 fw.rodata_len = bnx2_COM_b06FwRodataLen;
2005 fw.rodata_index = 0;
2006 fw.rodata = bnx2_COM_b06FwRodata;
2007
2008 load_cpu_fw(bp, &cpu_reg, &fw);
2009
2010}
2011
2012static int
2013bnx2_set_power_state(struct bnx2 *bp, int state)
2014{
2015 u16 pmcsr;
2016
2017 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
2018
2019 switch (state) {
2020 case 0: {
2021 u32 val;
2022
2023 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2024 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
2025 PCI_PM_CTRL_PME_STATUS);
2026
2027 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
2028 /* delay required during transition out of D3hot */
2029 msleep(20);
2030
2031 val = REG_RD(bp, BNX2_EMAC_MODE);
2032 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
2033 val &= ~BNX2_EMAC_MODE_MPKT;
2034 REG_WR(bp, BNX2_EMAC_MODE, val);
2035
2036 val = REG_RD(bp, BNX2_RPM_CONFIG);
2037 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2038 REG_WR(bp, BNX2_RPM_CONFIG, val);
2039 break;
2040 }
2041 case 3: {
2042 int i;
2043 u32 val, wol_msg;
2044
2045 if (bp->wol) {
2046 u32 advertising;
2047 u8 autoneg;
2048
2049 autoneg = bp->autoneg;
2050 advertising = bp->advertising;
2051
2052 bp->autoneg = AUTONEG_SPEED;
2053 bp->advertising = ADVERTISED_10baseT_Half |
2054 ADVERTISED_10baseT_Full |
2055 ADVERTISED_100baseT_Half |
2056 ADVERTISED_100baseT_Full |
2057 ADVERTISED_Autoneg;
2058
2059 bnx2_setup_copper_phy(bp);
2060
2061 bp->autoneg = autoneg;
2062 bp->advertising = advertising;
2063
2064 bnx2_set_mac_addr(bp);
2065
2066 val = REG_RD(bp, BNX2_EMAC_MODE);
2067
2068 /* Enable port mode. */
2069 val &= ~BNX2_EMAC_MODE_PORT;
2070 val |= BNX2_EMAC_MODE_PORT_MII |
2071 BNX2_EMAC_MODE_MPKT_RCVD |
2072 BNX2_EMAC_MODE_ACPI_RCVD |
2073 BNX2_EMAC_MODE_FORCE_LINK |
2074 BNX2_EMAC_MODE_MPKT;
2075
2076 REG_WR(bp, BNX2_EMAC_MODE, val);
2077
2078 /* receive all multicast */
2079 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2080 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2081 0xffffffff);
2082 }
2083 REG_WR(bp, BNX2_EMAC_RX_MODE,
2084 BNX2_EMAC_RX_MODE_SORT_MODE);
2085
2086 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
2087 BNX2_RPM_SORT_USER0_MC_EN;
2088 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2089 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
2090 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
2091 BNX2_RPM_SORT_USER0_ENA);
2092
2093 /* Need to enable EMAC and RPM for WOL. */
2094 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2095 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
2096 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
2097 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
2098
2099 val = REG_RD(bp, BNX2_RPM_CONFIG);
2100 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2101 REG_WR(bp, BNX2_RPM_CONFIG, val);
2102
2103 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
2104 }
2105 else {
2106 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
2107 }
2108
2109 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg);
2110
2111 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
2112 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2113 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
2114
2115 if (bp->wol)
2116 pmcsr |= 3;
2117 }
2118 else {
2119 pmcsr |= 3;
2120 }
2121 if (bp->wol) {
2122 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
2123 }
2124 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2125 pmcsr);
2126
2127 /* No more memory access after this point until
2128 * device is brought back to D0.
2129 */
2130 udelay(50);
2131 break;
2132 }
2133 default:
2134 return -EINVAL;
2135 }
2136 return 0;
2137}
2138
2139static int
2140bnx2_acquire_nvram_lock(struct bnx2 *bp)
2141{
2142 u32 val;
2143 int j;
2144
2145 /* Request access to the flash interface. */
2146 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
2147 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2148 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2149 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
2150 break;
2151
2152 udelay(5);
2153 }
2154
2155 if (j >= NVRAM_TIMEOUT_COUNT)
2156 return -EBUSY;
2157
2158 return 0;
2159}
2160
2161static int
2162bnx2_release_nvram_lock(struct bnx2 *bp)
2163{
2164 int j;
2165 u32 val;
2166
2167 /* Relinquish nvram interface. */
2168 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
2169
2170 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2171 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2172 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
2173 break;
2174
2175 udelay(5);
2176 }
2177
2178 if (j >= NVRAM_TIMEOUT_COUNT)
2179 return -EBUSY;
2180
2181 return 0;
2182}
2183
2184
2185static int
2186bnx2_enable_nvram_write(struct bnx2 *bp)
2187{
2188 u32 val;
2189
2190 val = REG_RD(bp, BNX2_MISC_CFG);
2191 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
2192
2193 if (!bp->flash_info->buffered) {
2194 int j;
2195
2196 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2197 REG_WR(bp, BNX2_NVM_COMMAND,
2198 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
2199
2200 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2201 udelay(5);
2202
2203 val = REG_RD(bp, BNX2_NVM_COMMAND);
2204 if (val & BNX2_NVM_COMMAND_DONE)
2205 break;
2206 }
2207
2208 if (j >= NVRAM_TIMEOUT_COUNT)
2209 return -EBUSY;
2210 }
2211 return 0;
2212}
2213
2214static void
2215bnx2_disable_nvram_write(struct bnx2 *bp)
2216{
2217 u32 val;
2218
2219 val = REG_RD(bp, BNX2_MISC_CFG);
2220 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
2221}
2222
2223
2224static void
2225bnx2_enable_nvram_access(struct bnx2 *bp)
2226{
2227 u32 val;
2228
2229 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2230 /* Enable both bits, even on read. */
2231 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2232 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
2233}
2234
2235static void
2236bnx2_disable_nvram_access(struct bnx2 *bp)
2237{
2238 u32 val;
2239
2240 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2241 /* Disable both bits, even after read. */
2242 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2243 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
2244 BNX2_NVM_ACCESS_ENABLE_WR_EN));
2245}
2246
2247static int
2248bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
2249{
2250 u32 cmd;
2251 int j;
2252
2253 if (bp->flash_info->buffered)
2254 /* Buffered flash, no erase needed */
2255 return 0;
2256
2257 /* Build an erase command */
2258 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
2259 BNX2_NVM_COMMAND_DOIT;
2260
2261 /* Need to clear DONE bit separately. */
2262 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2263
2264 /* Address of the NVRAM to read from. */
2265 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2266
2267 /* Issue an erase command. */
2268 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2269
2270 /* Wait for completion. */
2271 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2272 u32 val;
2273
2274 udelay(5);
2275
2276 val = REG_RD(bp, BNX2_NVM_COMMAND);
2277 if (val & BNX2_NVM_COMMAND_DONE)
2278 break;
2279 }
2280
2281 if (j >= NVRAM_TIMEOUT_COUNT)
2282 return -EBUSY;
2283
2284 return 0;
2285}
2286
2287static int
2288bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
2289{
2290 u32 cmd;
2291 int j;
2292
2293 /* Build the command word. */
2294 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
2295
2296 /* Calculate an offset of a buffered flash. */
2297 if (bp->flash_info->buffered) {
2298 offset = ((offset / bp->flash_info->page_size) <<
2299 bp->flash_info->page_bits) +
2300 (offset % bp->flash_info->page_size);
2301 }
2302
2303 /* Need to clear DONE bit separately. */
2304 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2305
2306 /* Address of the NVRAM to read from. */
2307 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2308
2309 /* Issue a read command. */
2310 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2311
2312 /* Wait for completion. */
2313 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2314 u32 val;
2315
2316 udelay(5);
2317
2318 val = REG_RD(bp, BNX2_NVM_COMMAND);
2319 if (val & BNX2_NVM_COMMAND_DONE) {
2320 val = REG_RD(bp, BNX2_NVM_READ);
2321
2322 val = be32_to_cpu(val);
2323 memcpy(ret_val, &val, 4);
2324 break;
2325 }
2326 }
2327 if (j >= NVRAM_TIMEOUT_COUNT)
2328 return -EBUSY;
2329
2330 return 0;
2331}
2332
2333
2334static int
2335bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
2336{
2337 u32 cmd, val32;
2338 int j;
2339
2340 /* Build the command word. */
2341 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
2342
2343 /* Calculate an offset of a buffered flash. */
2344 if (bp->flash_info->buffered) {
2345 offset = ((offset / bp->flash_info->page_size) <<
2346 bp->flash_info->page_bits) +
2347 (offset % bp->flash_info->page_size);
2348 }
2349
2350 /* Need to clear DONE bit separately. */
2351 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2352
2353 memcpy(&val32, val, 4);
2354 val32 = cpu_to_be32(val32);
2355
2356 /* Write the data. */
2357 REG_WR(bp, BNX2_NVM_WRITE, val32);
2358
2359 /* Address of the NVRAM to write to. */
2360 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2361
2362 /* Issue the write command. */
2363 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2364
2365 /* Wait for completion. */
2366 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2367 udelay(5);
2368
2369 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
2370 break;
2371 }
2372 if (j >= NVRAM_TIMEOUT_COUNT)
2373 return -EBUSY;
2374
2375 return 0;
2376}
2377
2378static int
2379bnx2_init_nvram(struct bnx2 *bp)
2380{
2381 u32 val;
2382 int j, entry_count, rc;
2383 struct flash_spec *flash;
2384
2385 /* Determine the selected interface. */
2386 val = REG_RD(bp, BNX2_NVM_CFG1);
2387
2388 entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
2389
2390 rc = 0;
2391 if (val & 0x40000000) {
2392
2393 /* Flash interface has been reconfigured */
2394 for (j = 0, flash = &flash_table[0]; j < entry_count;
2395 j++, flash++) {
2396
2397 if (val == flash->config1) {
2398 bp->flash_info = flash;
2399 break;
2400 }
2401 }
2402 }
2403 else {
2404 /* Not yet been reconfigured */
2405
2406 for (j = 0, flash = &flash_table[0]; j < entry_count;
2407 j++, flash++) {
2408
2409 if ((val & FLASH_STRAP_MASK) == flash->strapping) {
2410 bp->flash_info = flash;
2411
2412 /* Request access to the flash interface. */
2413 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2414 return rc;
2415
2416 /* Enable access to flash interface */
2417 bnx2_enable_nvram_access(bp);
2418
2419 /* Reconfigure the flash interface */
2420 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
2421 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
2422 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
2423 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
2424
2425 /* Disable access to flash interface */
2426 bnx2_disable_nvram_access(bp);
2427 bnx2_release_nvram_lock(bp);
2428
2429 break;
2430 }
2431 }
2432 } /* if (val & 0x40000000) */
2433
2434 if (j == entry_count) {
2435 bp->flash_info = NULL;
2436 printk(KERN_ALERT "Unknown flash/EEPROM type.\n");
2437 rc = -ENODEV;
2438 }
2439
2440 return rc;
2441}
2442
2443static int
2444bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
2445 int buf_size)
2446{
2447 int rc = 0;
2448 u32 cmd_flags, offset32, len32, extra;
2449
2450 if (buf_size == 0)
2451 return 0;
2452
2453 /* Request access to the flash interface. */
2454 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2455 return rc;
2456
2457 /* Enable access to flash interface */
2458 bnx2_enable_nvram_access(bp);
2459
2460 len32 = buf_size;
2461 offset32 = offset;
2462 extra = 0;
2463
2464 cmd_flags = 0;
2465
2466 if (offset32 & 3) {
2467 u8 buf[4];
2468 u32 pre_len;
2469
2470 offset32 &= ~3;
2471 pre_len = 4 - (offset & 3);
2472
2473 if (pre_len >= len32) {
2474 pre_len = len32;
2475 cmd_flags = BNX2_NVM_COMMAND_FIRST |
2476 BNX2_NVM_COMMAND_LAST;
2477 }
2478 else {
2479 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2480 }
2481
2482 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2483
2484 if (rc)
2485 return rc;
2486
2487 memcpy(ret_buf, buf + (offset & 3), pre_len);
2488
2489 offset32 += 4;
2490 ret_buf += pre_len;
2491 len32 -= pre_len;
2492 }
2493 if (len32 & 3) {
2494 extra = 4 - (len32 & 3);
2495 len32 = (len32 + 4) & ~3;
2496 }
2497
2498 if (len32 == 4) {
2499 u8 buf[4];
2500
2501 if (cmd_flags)
2502 cmd_flags = BNX2_NVM_COMMAND_LAST;
2503 else
2504 cmd_flags = BNX2_NVM_COMMAND_FIRST |
2505 BNX2_NVM_COMMAND_LAST;
2506
2507 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2508
2509 memcpy(ret_buf, buf, 4 - extra);
2510 }
2511 else if (len32 > 0) {
2512 u8 buf[4];
2513
2514 /* Read the first word. */
2515 if (cmd_flags)
2516 cmd_flags = 0;
2517 else
2518 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2519
2520 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
2521
2522 /* Advance to the next dword. */
2523 offset32 += 4;
2524 ret_buf += 4;
2525 len32 -= 4;
2526
2527 while (len32 > 4 && rc == 0) {
2528 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
2529
2530 /* Advance to the next dword. */
2531 offset32 += 4;
2532 ret_buf += 4;
2533 len32 -= 4;
2534 }
2535
2536 if (rc)
2537 return rc;
2538
2539 cmd_flags = BNX2_NVM_COMMAND_LAST;
2540 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2541
2542 memcpy(ret_buf, buf, 4 - extra);
2543 }
2544
2545 /* Disable access to flash interface */
2546 bnx2_disable_nvram_access(bp);
2547
2548 bnx2_release_nvram_lock(bp);
2549
2550 return rc;
2551}
2552
2553static int
2554bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
2555 int buf_size)
2556{
2557 u32 written, offset32, len32;
2558 u8 *buf, start[4], end[4];
2559 int rc = 0;
2560 int align_start, align_end;
2561
2562 buf = data_buf;
2563 offset32 = offset;
2564 len32 = buf_size;
2565 align_start = align_end = 0;
2566
2567 if ((align_start = (offset32 & 3))) {
2568 offset32 &= ~3;
2569 len32 += align_start;
2570 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
2571 return rc;
2572 }
2573
2574 if (len32 & 3) {
2575 if ((len32 > 4) || !align_start) {
2576 align_end = 4 - (len32 & 3);
2577 len32 += align_end;
2578 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4,
2579 end, 4))) {
2580 return rc;
2581 }
2582 }
2583 }
2584
2585 if (align_start || align_end) {
2586 buf = kmalloc(len32, GFP_KERNEL);
2587 if (buf == 0)
2588 return -ENOMEM;
2589 if (align_start) {
2590 memcpy(buf, start, 4);
2591 }
2592 if (align_end) {
2593 memcpy(buf + len32 - 4, end, 4);
2594 }
2595 memcpy(buf + align_start, data_buf, buf_size);
2596 }
2597
2598 written = 0;
2599 while ((written < len32) && (rc == 0)) {
2600 u32 page_start, page_end, data_start, data_end;
2601 u32 addr, cmd_flags;
2602 int i;
2603 u8 flash_buffer[264];
2604
2605 /* Find the page_start addr */
2606 page_start = offset32 + written;
2607 page_start -= (page_start % bp->flash_info->page_size);
2608 /* Find the page_end addr */
2609 page_end = page_start + bp->flash_info->page_size;
2610 /* Find the data_start addr */
2611 data_start = (written == 0) ? offset32 : page_start;
2612 /* Find the data_end addr */
2613 data_end = (page_end > offset32 + len32) ?
2614 (offset32 + len32) : page_end;
2615
2616 /* Request access to the flash interface. */
2617 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2618 goto nvram_write_end;
2619
2620 /* Enable access to flash interface */
2621 bnx2_enable_nvram_access(bp);
2622
2623 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2624 if (bp->flash_info->buffered == 0) {
2625 int j;
2626
2627 /* Read the whole page into the buffer
2628 * (non-buffer flash only) */
2629 for (j = 0; j < bp->flash_info->page_size; j += 4) {
2630 if (j == (bp->flash_info->page_size - 4)) {
2631 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2632 }
2633 rc = bnx2_nvram_read_dword(bp,
2634 page_start + j,
2635 &flash_buffer[j],
2636 cmd_flags);
2637
2638 if (rc)
2639 goto nvram_write_end;
2640
2641 cmd_flags = 0;
2642 }
2643 }
2644
2645 /* Enable writes to flash interface (unlock write-protect) */
2646 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
2647 goto nvram_write_end;
2648
2649 /* Erase the page */
2650 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
2651 goto nvram_write_end;
2652
2653 /* Re-enable the write again for the actual write */
2654 bnx2_enable_nvram_write(bp);
2655
2656 /* Loop to write back the buffer data from page_start to
2657 * data_start */
2658 i = 0;
2659 if (bp->flash_info->buffered == 0) {
2660 for (addr = page_start; addr < data_start;
2661 addr += 4, i += 4) {
2662
2663 rc = bnx2_nvram_write_dword(bp, addr,
2664 &flash_buffer[i], cmd_flags);
2665
2666 if (rc != 0)
2667 goto nvram_write_end;
2668
2669 cmd_flags = 0;
2670 }
2671 }
2672
2673 /* Loop to write the new data from data_start to data_end */
2674 for (addr = data_start; addr < data_end; addr += 4, i++) {
2675 if ((addr == page_end - 4) ||
2676 ((bp->flash_info->buffered) &&
2677 (addr == data_end - 4))) {
2678
2679 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2680 }
2681 rc = bnx2_nvram_write_dword(bp, addr, buf,
2682 cmd_flags);
2683
2684 if (rc != 0)
2685 goto nvram_write_end;
2686
2687 cmd_flags = 0;
2688 buf += 4;
2689 }
2690
2691 /* Loop to write back the buffer data from data_end
2692 * to page_end */
2693 if (bp->flash_info->buffered == 0) {
2694 for (addr = data_end; addr < page_end;
2695 addr += 4, i += 4) {
2696
2697 if (addr == page_end-4) {
2698 cmd_flags = BNX2_NVM_COMMAND_LAST;
2699 }
2700 rc = bnx2_nvram_write_dword(bp, addr,
2701 &flash_buffer[i], cmd_flags);
2702
2703 if (rc != 0)
2704 goto nvram_write_end;
2705
2706 cmd_flags = 0;
2707 }
2708 }
2709
2710 /* Disable writes to flash interface (lock write-protect) */
2711 bnx2_disable_nvram_write(bp);
2712
2713 /* Disable access to flash interface */
2714 bnx2_disable_nvram_access(bp);
2715 bnx2_release_nvram_lock(bp);
2716
2717 /* Increment written */
2718 written += data_end - data_start;
2719 }
2720
2721nvram_write_end:
2722 if (align_start || align_end)
2723 kfree(buf);
2724 return rc;
2725}
2726
2727static int
2728bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
2729{
2730 u32 val;
2731 int i, rc = 0;
2732
2733 /* Wait for the current PCI transaction to complete before
2734 * issuing a reset. */
2735 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
2736 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
2737 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
2738 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
2739 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
2740 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
2741 udelay(5);
2742
2743 /* Deposit a driver reset signature so the firmware knows that
2744 * this is a soft reset. */
2745 REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_RESET_SIGNATURE,
2746 BNX2_DRV_RESET_SIGNATURE_MAGIC);
2747
2748 bp->fw_timed_out = 0;
2749
2750 /* Wait for the firmware to tell us it is ok to issue a reset. */
2751 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code);
2752
2753 /* Do a dummy read to force the chip to complete all current transaction
2754 * before we issue a reset. */
2755 val = REG_RD(bp, BNX2_MISC_ID);
2756
2757 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2758 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
2759 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
2760
2761 /* Chip reset. */
2762 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
2763
2764 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2765 (CHIP_ID(bp) == CHIP_ID_5706_A1))
2766 msleep(15);
2767
2768 /* Reset takes approximate 30 usec */
2769 for (i = 0; i < 10; i++) {
2770 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
2771 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2772 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) {
2773 break;
2774 }
2775 udelay(10);
2776 }
2777
2778 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2779 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
2780 printk(KERN_ERR PFX "Chip reset did not complete\n");
2781 return -EBUSY;
2782 }
2783
2784 /* Make sure byte swapping is properly configured. */
2785 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
2786 if (val != 0x01020304) {
2787 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
2788 return -ENODEV;
2789 }
2790
2791 bp->fw_timed_out = 0;
2792
2793 /* Wait for the firmware to finish its initialization. */
2794 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code);
2795
2796 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2797 /* Adjust the voltage regular to two steps lower. The default
2798 * of this register is 0x0000000e. */
2799 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
2800
2801 /* Remove bad rbuf memory from the free pool. */
2802 rc = bnx2_alloc_bad_rbuf(bp);
2803 }
2804
2805 return rc;
2806}
2807
2808static int
2809bnx2_init_chip(struct bnx2 *bp)
2810{
2811 u32 val;
2812
2813 /* Make sure the interrupt is not active. */
2814 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2815
2816 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
2817 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
2818#ifdef __BIG_ENDIAN
2819 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
2820#endif
2821 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
2822 DMA_READ_CHANS << 12 |
2823 DMA_WRITE_CHANS << 16;
2824
2825 val |= (0x2 << 20) | (1 << 11);
2826
2827 if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz = 133))
2828 val |= (1 << 23);
2829
2830 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
2831 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
2832 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
2833
2834 REG_WR(bp, BNX2_DMA_CONFIG, val);
2835
2836 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2837 val = REG_RD(bp, BNX2_TDMA_CONFIG);
2838 val |= BNX2_TDMA_CONFIG_ONE_DMA;
2839 REG_WR(bp, BNX2_TDMA_CONFIG, val);
2840 }
2841
2842 if (bp->flags & PCIX_FLAG) {
2843 u16 val16;
2844
2845 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
2846 &val16);
2847 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
2848 val16 & ~PCI_X_CMD_ERO);
2849 }
2850
2851 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2852 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
2853 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
2854 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
2855
2856 /* Initialize context mapping and zero out the quick contexts. The
2857 * context block must have already been enabled. */
2858 bnx2_init_context(bp);
2859
2860 bnx2_init_cpus(bp);
2861 bnx2_init_nvram(bp);
2862
2863 bnx2_set_mac_addr(bp);
2864
2865 val = REG_RD(bp, BNX2_MQ_CONFIG);
2866 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
2867 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
2868 REG_WR(bp, BNX2_MQ_CONFIG, val);
2869
2870 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
2871 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
2872 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
2873
2874 val = (BCM_PAGE_BITS - 8) << 24;
2875 REG_WR(bp, BNX2_RV2P_CONFIG, val);
2876
2877 /* Configure page size. */
2878 val = REG_RD(bp, BNX2_TBDR_CONFIG);
2879 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
2880 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
2881 REG_WR(bp, BNX2_TBDR_CONFIG, val);
2882
2883 val = bp->mac_addr[0] +
2884 (bp->mac_addr[1] << 8) +
2885 (bp->mac_addr[2] << 16) +
2886 bp->mac_addr[3] +
2887 (bp->mac_addr[4] << 8) +
2888 (bp->mac_addr[5] << 16);
2889 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
2890
2891 /* Program the MTU. Also include 4 bytes for CRC32. */
2892 val = bp->dev->mtu + ETH_HLEN + 4;
2893 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
2894 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
2895 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
2896
2897 bp->last_status_idx = 0;
2898 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
2899
2900 /* Set up how to generate a link change interrupt. */
2901 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2902
2903 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
2904 (u64) bp->status_blk_mapping & 0xffffffff);
2905 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
2906
2907 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
2908 (u64) bp->stats_blk_mapping & 0xffffffff);
2909 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
2910 (u64) bp->stats_blk_mapping >> 32);
2911
2912 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
2913 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
2914
2915 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
2916 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
2917
2918 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
2919 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
2920
2921 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
2922
2923 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
2924
2925 REG_WR(bp, BNX2_HC_COM_TICKS,
2926 (bp->com_ticks_int << 16) | bp->com_ticks);
2927
2928 REG_WR(bp, BNX2_HC_CMD_TICKS,
2929 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
2930
2931 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
2932 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
2933
2934 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
2935 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_COLLECT_STATS);
2936 else {
2937 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_RX_TMR_MODE |
2938 BNX2_HC_CONFIG_TX_TMR_MODE |
2939 BNX2_HC_CONFIG_COLLECT_STATS);
2940 }
2941
2942 /* Clear internal stats counters. */
2943 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
2944
2945 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
2946
2947 /* Initialize the receive filter. */
2948 bnx2_set_rx_mode(bp->dev);
2949
2950 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET);
2951
2952 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
2953 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
2954
2955 udelay(20);
2956
2957 return 0;
2958}
2959
2960
2961static void
2962bnx2_init_tx_ring(struct bnx2 *bp)
2963{
2964 struct tx_bd *txbd;
2965 u32 val;
2966
2967 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
2968
2969 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
2970 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
2971
2972 bp->tx_prod = 0;
2973 bp->tx_cons = 0;
2974 bp->tx_prod_bseq = 0;
b6016b76
MC		 2975
2976 val = BNX2_L2CTX_TYPE_TYPE_L2;
2977 val |= BNX2_L2CTX_TYPE_SIZE_L2;
2978 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val);
2979
2980 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2;
2981 val |= 8 << 16;
2982 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val);
2983
2984 val = (u64) bp->tx_desc_mapping >> 32;
2985 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val);
2986
2987 val = (u64) bp->tx_desc_mapping & 0xffffffff;
2988 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val);
2989}
2990
2991static void
2992bnx2_init_rx_ring(struct bnx2 *bp)
2993{
2994 struct rx_bd *rxbd;
2995 int i;
2996 u16 prod, ring_prod;
2997 u32 val;
2998
2999 /* 8 for CRC and VLAN */
3000 bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
3001 /* 8 for alignment */
3002 bp->rx_buf_size = bp->rx_buf_use_size + 8;
3003
3004 ring_prod = prod = bp->rx_prod = 0;
3005 bp->rx_cons = 0;
3006 bp->rx_prod_bseq = 0;
3007
3008 rxbd = &bp->rx_desc_ring[0];
3009 for (i = 0; i < MAX_RX_DESC_CNT; i++, rxbd++) {
3010 rxbd->rx_bd_len = bp->rx_buf_use_size;
3011 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
3012 }
3013
3014 rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping >> 32;
3015 rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping & 0xffffffff;
3016
3017 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
3018 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
3019 val |= 0x02 << 8;
3020 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
3021
3022 val = (u64) bp->rx_desc_mapping >> 32;
3023 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);
3024
3025 val = (u64) bp->rx_desc_mapping & 0xffffffff;
3026 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
3027
3028 for ( ;ring_prod < bp->rx_ring_size; ) {
3029 if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
3030 break;
3031 }
3032 prod = NEXT_RX_BD(prod);
3033 ring_prod = RX_RING_IDX(prod);
3034 }
3035 bp->rx_prod = prod;
3036
3037 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
3038
3039 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
3040}
3041
3042static void
3043bnx2_free_tx_skbs(struct bnx2 *bp)
3044{
3045 int i;
3046
3047 if (bp->tx_buf_ring == NULL)
3048 return;
3049
3050 for (i = 0; i < TX_DESC_CNT; ) {
3051 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
3052 struct sk_buff *skb = tx_buf->skb;
3053 int j, last;
3054
3055 if (skb == NULL) {
3056 i++;
3057 continue;
3058 }
3059
3060 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
3061 skb_headlen(skb), PCI_DMA_TODEVICE);
3062
3063 tx_buf->skb = NULL;
3064
3065 last = skb_shinfo(skb)->nr_frags;
3066 for (j = 0; j < last; j++) {
3067 tx_buf = &bp->tx_buf_ring[i + j + 1];
3068 pci_unmap_page(bp->pdev,
3069 pci_unmap_addr(tx_buf, mapping),
3070 skb_shinfo(skb)->frags[j].size,
3071 PCI_DMA_TODEVICE);
3072 }
3073 dev_kfree_skb_any(skb);
3074 i += j + 1;
3075 }
3076
3077}
3078
3079static void
3080bnx2_free_rx_skbs(struct bnx2 *bp)
3081{
3082 int i;
3083
3084 if (bp->rx_buf_ring == NULL)
3085 return;
3086
3087 for (i = 0; i < RX_DESC_CNT; i++) {
3088 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
3089 struct sk_buff *skb = rx_buf->skb;
3090
3091 if (skb == 0)
3092 continue;
3093
3094 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
3095 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
3096
3097 rx_buf->skb = NULL;
3098
3099 dev_kfree_skb_any(skb);
3100 }
3101}
3102
3103static void
3104bnx2_free_skbs(struct bnx2 *bp)
3105{
3106 bnx2_free_tx_skbs(bp);
3107 bnx2_free_rx_skbs(bp);
3108}
3109
3110static int
3111bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
3112{
3113 int rc;
3114
3115 rc = bnx2_reset_chip(bp, reset_code);
3116 bnx2_free_skbs(bp);
3117 if (rc)
3118 return rc;
3119
3120 bnx2_init_chip(bp);
3121 bnx2_init_tx_ring(bp);
3122 bnx2_init_rx_ring(bp);
3123 return 0;
3124}
3125
3126static int
3127bnx2_init_nic(struct bnx2 *bp)
3128{
3129 int rc;
3130
3131 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
3132 return rc;
3133
3134 bnx2_init_phy(bp);
3135 bnx2_set_link(bp);
3136 return 0;
3137}
3138
3139static int
3140bnx2_test_registers(struct bnx2 *bp)
3141{
3142 int ret;
3143 int i;
3144 static struct {
3145 u16 offset;
3146 u16 flags;
3147 u32 rw_mask;
3148 u32 ro_mask;
3149 } reg_tbl[] = {
3150 { 0x006c, 0, 0x00000000, 0x0000003f },
3151 { 0x0090, 0, 0xffffffff, 0x00000000 },
3152 { 0x0094, 0, 0x00000000, 0x00000000 },
3153
3154 { 0x0404, 0, 0x00003f00, 0x00000000 },
3155 { 0x0418, 0, 0x00000000, 0xffffffff },
3156 { 0x041c, 0, 0x00000000, 0xffffffff },
3157 { 0x0420, 0, 0x00000000, 0x80ffffff },
3158 { 0x0424, 0, 0x00000000, 0x00000000 },
3159 { 0x0428, 0, 0x00000000, 0x00000001 },
3160 { 0x0450, 0, 0x00000000, 0x0000ffff },
3161 { 0x0454, 0, 0x00000000, 0xffffffff },
3162 { 0x0458, 0, 0x00000000, 0xffffffff },
3163
3164 { 0x0808, 0, 0x00000000, 0xffffffff },
3165 { 0x0854, 0, 0x00000000, 0xffffffff },
3166 { 0x0868, 0, 0x00000000, 0x77777777 },
3167 { 0x086c, 0, 0x00000000, 0x77777777 },
3168 { 0x0870, 0, 0x00000000, 0x77777777 },
3169 { 0x0874, 0, 0x00000000, 0x77777777 },
3170
3171 { 0x0c00, 0, 0x00000000, 0x00000001 },
3172 { 0x0c04, 0, 0x00000000, 0x03ff0001 },
3173 { 0x0c08, 0, 0x0f0ff073, 0x00000000 },
3174 { 0x0c0c, 0, 0x00ffffff, 0x00000000 },
3175 { 0x0c30, 0, 0x00000000, 0xffffffff },
3176 { 0x0c34, 0, 0x00000000, 0xffffffff },
3177 { 0x0c38, 0, 0x00000000, 0xffffffff },
3178 { 0x0c3c, 0, 0x00000000, 0xffffffff },
3179 { 0x0c40, 0, 0x00000000, 0xffffffff },
3180 { 0x0c44, 0, 0x00000000, 0xffffffff },
3181 { 0x0c48, 0, 0x00000000, 0x0007ffff },
3182 { 0x0c4c, 0, 0x00000000, 0xffffffff },
3183 { 0x0c50, 0, 0x00000000, 0xffffffff },
3184 { 0x0c54, 0, 0x00000000, 0xffffffff },
3185 { 0x0c58, 0, 0x00000000, 0xffffffff },
3186 { 0x0c5c, 0, 0x00000000, 0xffffffff },
3187 { 0x0c60, 0, 0x00000000, 0xffffffff },
3188 { 0x0c64, 0, 0x00000000, 0xffffffff },
3189 { 0x0c68, 0, 0x00000000, 0xffffffff },
3190 { 0x0c6c, 0, 0x00000000, 0xffffffff },
3191 { 0x0c70, 0, 0x00000000, 0xffffffff },
3192 { 0x0c74, 0, 0x00000000, 0xffffffff },
3193 { 0x0c78, 0, 0x00000000, 0xffffffff },
3194 { 0x0c7c, 0, 0x00000000, 0xffffffff },
3195 { 0x0c80, 0, 0x00000000, 0xffffffff },
3196 { 0x0c84, 0, 0x00000000, 0xffffffff },
3197 { 0x0c88, 0, 0x00000000, 0xffffffff },
3198 { 0x0c8c, 0, 0x00000000, 0xffffffff },
3199 { 0x0c90, 0, 0x00000000, 0xffffffff },
3200 { 0x0c94, 0, 0x00000000, 0xffffffff },
3201 { 0x0c98, 0, 0x00000000, 0xffffffff },
3202 { 0x0c9c, 0, 0x00000000, 0xffffffff },
3203 { 0x0ca0, 0, 0x00000000, 0xffffffff },
3204 { 0x0ca4, 0, 0x00000000, 0xffffffff },
3205 { 0x0ca8, 0, 0x00000000, 0x0007ffff },
3206 { 0x0cac, 0, 0x00000000, 0xffffffff },
3207 { 0x0cb0, 0, 0x00000000, 0xffffffff },
3208 { 0x0cb4, 0, 0x00000000, 0xffffffff },
3209 { 0x0cb8, 0, 0x00000000, 0xffffffff },
3210 { 0x0cbc, 0, 0x00000000, 0xffffffff },
3211 { 0x0cc0, 0, 0x00000000, 0xffffffff },
3212 { 0x0cc4, 0, 0x00000000, 0xffffffff },
3213 { 0x0cc8, 0, 0x00000000, 0xffffffff },
3214 { 0x0ccc, 0, 0x00000000, 0xffffffff },
3215 { 0x0cd0, 0, 0x00000000, 0xffffffff },
3216 { 0x0cd4, 0, 0x00000000, 0xffffffff },
3217 { 0x0cd8, 0, 0x00000000, 0xffffffff },
3218 { 0x0cdc, 0, 0x00000000, 0xffffffff },
3219 { 0x0ce0, 0, 0x00000000, 0xffffffff },
3220 { 0x0ce4, 0, 0x00000000, 0xffffffff },
3221 { 0x0ce8, 0, 0x00000000, 0xffffffff },
3222 { 0x0cec, 0, 0x00000000, 0xffffffff },
3223 { 0x0cf0, 0, 0x00000000, 0xffffffff },
3224 { 0x0cf4, 0, 0x00000000, 0xffffffff },
3225 { 0x0cf8, 0, 0x00000000, 0xffffffff },
3226 { 0x0cfc, 0, 0x00000000, 0xffffffff },
3227 { 0x0d00, 0, 0x00000000, 0xffffffff },
3228 { 0x0d04, 0, 0x00000000, 0xffffffff },
3229
3230 { 0x1000, 0, 0x00000000, 0x00000001 },
3231 { 0x1004, 0, 0x00000000, 0x000f0001 },
3232 { 0x1044, 0, 0x00000000, 0xffc003ff },
3233 { 0x1080, 0, 0x00000000, 0x0001ffff },
3234 { 0x1084, 0, 0x00000000, 0xffffffff },
3235 { 0x1088, 0, 0x00000000, 0xffffffff },
3236 { 0x108c, 0, 0x00000000, 0xffffffff },
3237 { 0x1090, 0, 0x00000000, 0xffffffff },
3238 { 0x1094, 0, 0x00000000, 0xffffffff },
3239 { 0x1098, 0, 0x00000000, 0xffffffff },
3240 { 0x109c, 0, 0x00000000, 0xffffffff },
3241 { 0x10a0, 0, 0x00000000, 0xffffffff },
3242
3243 { 0x1408, 0, 0x01c00800, 0x00000000 },
3244 { 0x149c, 0, 0x8000ffff, 0x00000000 },
3245 { 0x14a8, 0, 0x00000000, 0x000001ff },
3246 { 0x14ac, 0, 0x4fffffff, 0x10000000 },
3247 { 0x14b0, 0, 0x00000002, 0x00000001 },
3248 { 0x14b8, 0, 0x00000000, 0x00000000 },
3249 { 0x14c0, 0, 0x00000000, 0x00000009 },
3250 { 0x14c4, 0, 0x00003fff, 0x00000000 },
3251 { 0x14cc, 0, 0x00000000, 0x00000001 },
3252 { 0x14d0, 0, 0xffffffff, 0x00000000 },
3253 { 0x1500, 0, 0x00000000, 0xffffffff },
3254 { 0x1504, 0, 0x00000000, 0xffffffff },
3255 { 0x1508, 0, 0x00000000, 0xffffffff },
3256 { 0x150c, 0, 0x00000000, 0xffffffff },
3257 { 0x1510, 0, 0x00000000, 0xffffffff },
3258 { 0x1514, 0, 0x00000000, 0xffffffff },
3259 { 0x1518, 0, 0x00000000, 0xffffffff },
3260 { 0x151c, 0, 0x00000000, 0xffffffff },
3261 { 0x1520, 0, 0x00000000, 0xffffffff },
3262 { 0x1524, 0, 0x00000000, 0xffffffff },
3263 { 0x1528, 0, 0x00000000, 0xffffffff },
3264 { 0x152c, 0, 0x00000000, 0xffffffff },
3265 { 0x1530, 0, 0x00000000, 0xffffffff },
3266 { 0x1534, 0, 0x00000000, 0xffffffff },
3267 { 0x1538, 0, 0x00000000, 0xffffffff },
3268 { 0x153c, 0, 0x00000000, 0xffffffff },
3269 { 0x1540, 0, 0x00000000, 0xffffffff },
3270 { 0x1544, 0, 0x00000000, 0xffffffff },
3271 { 0x1548, 0, 0x00000000, 0xffffffff },
3272 { 0x154c, 0, 0x00000000, 0xffffffff },
3273 { 0x1550, 0, 0x00000000, 0xffffffff },
3274 { 0x1554, 0, 0x00000000, 0xffffffff },
3275 { 0x1558, 0, 0x00000000, 0xffffffff },
3276 { 0x1600, 0, 0x00000000, 0xffffffff },
3277 { 0x1604, 0, 0x00000000, 0xffffffff },
3278 { 0x1608, 0, 0x00000000, 0xffffffff },
3279 { 0x160c, 0, 0x00000000, 0xffffffff },
3280 { 0x1610, 0, 0x00000000, 0xffffffff },
3281 { 0x1614, 0, 0x00000000, 0xffffffff },
3282 { 0x1618, 0, 0x00000000, 0xffffffff },
3283 { 0x161c, 0, 0x00000000, 0xffffffff },
3284 { 0x1620, 0, 0x00000000, 0xffffffff },
3285 { 0x1624, 0, 0x00000000, 0xffffffff },
3286 { 0x1628, 0, 0x00000000, 0xffffffff },
3287 { 0x162c, 0, 0x00000000, 0xffffffff },
3288 { 0x1630, 0, 0x00000000, 0xffffffff },
3289 { 0x1634, 0, 0x00000000, 0xffffffff },
3290 { 0x1638, 0, 0x00000000, 0xffffffff },
3291 { 0x163c, 0, 0x00000000, 0xffffffff },
3292 { 0x1640, 0, 0x00000000, 0xffffffff },
3293 { 0x1644, 0, 0x00000000, 0xffffffff },
3294 { 0x1648, 0, 0x00000000, 0xffffffff },
3295 { 0x164c, 0, 0x00000000, 0xffffffff },
3296 { 0x1650, 0, 0x00000000, 0xffffffff },
3297 { 0x1654, 0, 0x00000000, 0xffffffff },
3298
3299 { 0x1800, 0, 0x00000000, 0x00000001 },
3300 { 0x1804, 0, 0x00000000, 0x00000003 },
3301 { 0x1840, 0, 0x00000000, 0xffffffff },
3302 { 0x1844, 0, 0x00000000, 0xffffffff },
3303 { 0x1848, 0, 0x00000000, 0xffffffff },
3304 { 0x184c, 0, 0x00000000, 0xffffffff },
3305 { 0x1850, 0, 0x00000000, 0xffffffff },
3306 { 0x1900, 0, 0x7ffbffff, 0x00000000 },
3307 { 0x1904, 0, 0xffffffff, 0x00000000 },
3308 { 0x190c, 0, 0xffffffff, 0x00000000 },
3309 { 0x1914, 0, 0xffffffff, 0x00000000 },
3310 { 0x191c, 0, 0xffffffff, 0x00000000 },
3311 { 0x1924, 0, 0xffffffff, 0x00000000 },
3312 { 0x192c, 0, 0xffffffff, 0x00000000 },
3313 { 0x1934, 0, 0xffffffff, 0x00000000 },
3314 { 0x193c, 0, 0xffffffff, 0x00000000 },
3315 { 0x1944, 0, 0xffffffff, 0x00000000 },
3316 { 0x194c, 0, 0xffffffff, 0x00000000 },
3317 { 0x1954, 0, 0xffffffff, 0x00000000 },
3318 { 0x195c, 0, 0xffffffff, 0x00000000 },
3319 { 0x1964, 0, 0xffffffff, 0x00000000 },
3320 { 0x196c, 0, 0xffffffff, 0x00000000 },
3321 { 0x1974, 0, 0xffffffff, 0x00000000 },
3322 { 0x197c, 0, 0xffffffff, 0x00000000 },
3323 { 0x1980, 0, 0x0700ffff, 0x00000000 },
3324
3325 { 0x1c00, 0, 0x00000000, 0x00000001 },
3326 { 0x1c04, 0, 0x00000000, 0x00000003 },
3327 { 0x1c08, 0, 0x0000000f, 0x00000000 },
3328 { 0x1c40, 0, 0x00000000, 0xffffffff },
3329 { 0x1c44, 0, 0x00000000, 0xffffffff },
3330 { 0x1c48, 0, 0x00000000, 0xffffffff },
3331 { 0x1c4c, 0, 0x00000000, 0xffffffff },
3332 { 0x1c50, 0, 0x00000000, 0xffffffff },
3333 { 0x1d00, 0, 0x7ffbffff, 0x00000000 },
3334 { 0x1d04, 0, 0xffffffff, 0x00000000 },
3335 { 0x1d0c, 0, 0xffffffff, 0x00000000 },
3336 { 0x1d14, 0, 0xffffffff, 0x00000000 },
3337 { 0x1d1c, 0, 0xffffffff, 0x00000000 },
3338 { 0x1d24, 0, 0xffffffff, 0x00000000 },
3339 { 0x1d2c, 0, 0xffffffff, 0x00000000 },
3340 { 0x1d34, 0, 0xffffffff, 0x00000000 },
3341 { 0x1d3c, 0, 0xffffffff, 0x00000000 },
3342 { 0x1d44, 0, 0xffffffff, 0x00000000 },
3343 { 0x1d4c, 0, 0xffffffff, 0x00000000 },
3344 { 0x1d54, 0, 0xffffffff, 0x00000000 },
3345 { 0x1d5c, 0, 0xffffffff, 0x00000000 },
3346 { 0x1d64, 0, 0xffffffff, 0x00000000 },
3347 { 0x1d6c, 0, 0xffffffff, 0x00000000 },
3348 { 0x1d74, 0, 0xffffffff, 0x00000000 },
3349 { 0x1d7c, 0, 0xffffffff, 0x00000000 },
3350 { 0x1d80, 0, 0x0700ffff, 0x00000000 },
3351
3352 { 0x2004, 0, 0x00000000, 0x0337000f },
3353 { 0x2008, 0, 0xffffffff, 0x00000000 },
3354 { 0x200c, 0, 0xffffffff, 0x00000000 },
3355 { 0x2010, 0, 0xffffffff, 0x00000000 },
3356 { 0x2014, 0, 0x801fff80, 0x00000000 },
3357 { 0x2018, 0, 0x000003ff, 0x00000000 },
3358
3359 { 0x2800, 0, 0x00000000, 0x00000001 },
3360 { 0x2804, 0, 0x00000000, 0x00003f01 },
3361 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
3362 { 0x2810, 0, 0xffff0000, 0x00000000 },
3363 { 0x2814, 0, 0xffff0000, 0x00000000 },
3364 { 0x2818, 0, 0xffff0000, 0x00000000 },
3365 { 0x281c, 0, 0xffff0000, 0x00000000 },
3366 { 0x2834, 0, 0xffffffff, 0x00000000 },
3367 { 0x2840, 0, 0x00000000, 0xffffffff },
3368 { 0x2844, 0, 0x00000000, 0xffffffff },
3369 { 0x2848, 0, 0xffffffff, 0x00000000 },
3370 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
3371
3372 { 0x2c00, 0, 0x00000000, 0x00000011 },
3373 { 0x2c04, 0, 0x00000000, 0x00030007 },
3374
3375 { 0x3000, 0, 0x00000000, 0x00000001 },
3376 { 0x3004, 0, 0x00000000, 0x007007ff },
3377 { 0x3008, 0, 0x00000003, 0x00000000 },
3378 { 0x300c, 0, 0xffffffff, 0x00000000 },
3379 { 0x3010, 0, 0xffffffff, 0x00000000 },
3380 { 0x3014, 0, 0xffffffff, 0x00000000 },
3381 { 0x3034, 0, 0xffffffff, 0x00000000 },
3382 { 0x3038, 0, 0xffffffff, 0x00000000 },
3383 { 0x3050, 0, 0x00000001, 0x00000000 },
3384
3385 { 0x3c00, 0, 0x00000000, 0x00000001 },
3386 { 0x3c04, 0, 0x00000000, 0x00070000 },
3387 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
3388 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
3389 { 0x3c10, 0, 0xffffffff, 0x00000000 },
3390 { 0x3c14, 0, 0x00000000, 0xffffffff },
3391 { 0x3c18, 0, 0x00000000, 0xffffffff },
3392 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
3393 { 0x3c20, 0, 0xffffff00, 0x00000000 },
3394 { 0x3c24, 0, 0xffffffff, 0x00000000 },
3395 { 0x3c28, 0, 0xffffffff, 0x00000000 },
3396 { 0x3c2c, 0, 0xffffffff, 0x00000000 },
3397 { 0x3c30, 0, 0xffffffff, 0x00000000 },
3398 { 0x3c34, 0, 0xffffffff, 0x00000000 },
3399 { 0x3c38, 0, 0xffffffff, 0x00000000 },
3400 { 0x3c3c, 0, 0xffffffff, 0x00000000 },
3401 { 0x3c40, 0, 0xffffffff, 0x00000000 },
3402 { 0x3c44, 0, 0xffffffff, 0x00000000 },
3403 { 0x3c48, 0, 0xffffffff, 0x00000000 },
3404 { 0x3c4c, 0, 0xffffffff, 0x00000000 },
3405 { 0x3c50, 0, 0xffffffff, 0x00000000 },
3406 { 0x3c54, 0, 0xffffffff, 0x00000000 },
3407 { 0x3c58, 0, 0xffffffff, 0x00000000 },
3408 { 0x3c5c, 0, 0xffffffff, 0x00000000 },
3409 { 0x3c60, 0, 0xffffffff, 0x00000000 },
3410 { 0x3c64, 0, 0xffffffff, 0x00000000 },
3411 { 0x3c68, 0, 0xffffffff, 0x00000000 },
3412 { 0x3c6c, 0, 0xffffffff, 0x00000000 },
3413 { 0x3c70, 0, 0xffffffff, 0x00000000 },
3414 { 0x3c74, 0, 0x0000003f, 0x00000000 },
3415 { 0x3c78, 0, 0x00000000, 0x00000000 },
3416 { 0x3c7c, 0, 0x00000000, 0x00000000 },
3417 { 0x3c80, 0, 0x3fffffff, 0x00000000 },
3418 { 0x3c84, 0, 0x0000003f, 0x00000000 },
3419 { 0x3c88, 0, 0x00000000, 0xffffffff },
3420 { 0x3c8c, 0, 0x00000000, 0xffffffff },
3421
3422 { 0x4000, 0, 0x00000000, 0x00000001 },
3423 { 0x4004, 0, 0x00000000, 0x00030000 },
3424 { 0x4008, 0, 0x00000ff0, 0x00000000 },
3425 { 0x400c, 0, 0xffffffff, 0x00000000 },
3426 { 0x4088, 0, 0x00000000, 0x00070303 },
3427
3428 { 0x4400, 0, 0x00000000, 0x00000001 },
3429 { 0x4404, 0, 0x00000000, 0x00003f01 },
3430 { 0x4408, 0, 0x7fff00ff, 0x00000000 },
3431 { 0x440c, 0, 0xffffffff, 0x00000000 },
3432 { 0x4410, 0, 0xffff, 0x0000 },
3433 { 0x4414, 0, 0xffff, 0x0000 },
3434 { 0x4418, 0, 0xffff, 0x0000 },
3435 { 0x441c, 0, 0xffff, 0x0000 },
3436 { 0x4428, 0, 0xffffffff, 0x00000000 },
3437 { 0x442c, 0, 0xffffffff, 0x00000000 },
3438 { 0x4430, 0, 0xffffffff, 0x00000000 },
3439 { 0x4434, 0, 0xffffffff, 0x00000000 },
3440 { 0x4438, 0, 0xffffffff, 0x00000000 },
3441 { 0x443c, 0, 0xffffffff, 0x00000000 },
3442 { 0x4440, 0, 0xffffffff, 0x00000000 },
3443 { 0x4444, 0, 0xffffffff, 0x00000000 },
3444
3445 { 0x4c00, 0, 0x00000000, 0x00000001 },
3446 { 0x4c04, 0, 0x00000000, 0x0000003f },
3447 { 0x4c08, 0, 0xffffffff, 0x00000000 },
3448 { 0x4c0c, 0, 0x0007fc00, 0x00000000 },
3449 { 0x4c10, 0, 0x80003fe0, 0x00000000 },
3450 { 0x4c14, 0, 0xffffffff, 0x00000000 },
3451 { 0x4c44, 0, 0x00000000, 0x9fff9fff },
3452 { 0x4c48, 0, 0x00000000, 0xb3009fff },
3453 { 0x4c4c, 0, 0x00000000, 0x77f33b30 },
3454 { 0x4c50, 0, 0x00000000, 0xffffffff },
3455
3456 { 0x5004, 0, 0x00000000, 0x0000007f },
3457 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
3458 { 0x500c, 0, 0xf800f800, 0x07ff07ff },
3459
3460 { 0x5400, 0, 0x00000008, 0x00000001 },
3461 { 0x5404, 0, 0x00000000, 0x0000003f },
3462 { 0x5408, 0, 0x0000001f, 0x00000000 },
3463 { 0x540c, 0, 0xffffffff, 0x00000000 },
3464 { 0x5410, 0, 0xffffffff, 0x00000000 },
3465 { 0x5414, 0, 0x0000ffff, 0x00000000 },
3466 { 0x5418, 0, 0x0000ffff, 0x00000000 },
3467 { 0x541c, 0, 0x0000ffff, 0x00000000 },
3468 { 0x5420, 0, 0x0000ffff, 0x00000000 },
3469 { 0x5428, 0, 0x000000ff, 0x00000000 },
3470 { 0x542c, 0, 0xff00ffff, 0x00000000 },
3471 { 0x5430, 0, 0x001fff80, 0x00000000 },
3472 { 0x5438, 0, 0xffffffff, 0x00000000 },
3473 { 0x543c, 0, 0xffffffff, 0x00000000 },
3474 { 0x5440, 0, 0xf800f800, 0x07ff07ff },
3475
3476 { 0x5c00, 0, 0x00000000, 0x00000001 },
3477 { 0x5c04, 0, 0x00000000, 0x0003000f },
3478 { 0x5c08, 0, 0x00000003, 0x00000000 },
3479 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
3480 { 0x5c10, 0, 0x00000000, 0xffffffff },
3481 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
3482 { 0x5c84, 0, 0x00000000, 0x0000f333 },
3483 { 0x5c88, 0, 0x00000000, 0x00077373 },
3484 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
3485
3486 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
3487 { 0x680c, 0, 0xffffffff, 0x00000000 },
3488 { 0x6810, 0, 0xffffffff, 0x00000000 },
3489 { 0x6814, 0, 0xffffffff, 0x00000000 },
3490 { 0x6818, 0, 0xffffffff, 0x00000000 },
3491 { 0x681c, 0, 0xffffffff, 0x00000000 },
3492 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
3493 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
3494 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
3495 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
3496 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
3497 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
3498 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
3499 { 0x683c, 0, 0x0000ffff, 0x00000000 },
3500 { 0x6840, 0, 0x00000ff0, 0x00000000 },
3501 { 0x6844, 0, 0x00ffff00, 0x00000000 },
3502 { 0x684c, 0, 0xffffffff, 0x00000000 },
3503 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
3504 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
3505 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
3506 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
3507 { 0x6908, 0, 0x00000000, 0x0001ff0f },
3508 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
3509
3510 { 0xffff, 0, 0x00000000, 0x00000000 },
3511 };
3512
3513 ret = 0;
3514 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
3515 u32 offset, rw_mask, ro_mask, save_val, val;
3516
3517 offset = (u32) reg_tbl[i].offset;
3518 rw_mask = reg_tbl[i].rw_mask;
3519 ro_mask = reg_tbl[i].ro_mask;
3520
14ab9b86 3521 save_val = readl(bp->regview + offset);
b6016b76 3522
14ab9b86 3523 writel(0, bp->regview + offset);
b6016b76 3524
14ab9b86 3525 val = readl(bp->regview + offset);
b6016b76
MC		 3526 if ((val & rw_mask) != 0) {
3527 goto reg_test_err;
3528 }
3529
3530 if ((val & ro_mask) != (save_val & ro_mask)) {
3531 goto reg_test_err;
3532 }
3533
14ab9b86 3534 writel(0xffffffff, bp->regview + offset);
b6016b76 3535
14ab9b86 3536 val = readl(bp->regview + offset);
b6016b76
MC		 3537 if ((val & rw_mask) != rw_mask) {
3538 goto reg_test_err;
3539 }
3540
3541 if ((val & ro_mask) != (save_val & ro_mask)) {
3542 goto reg_test_err;
3543 }
3544
14ab9b86 3545 writel(save_val, bp->regview + offset);
b6016b76
MC		 3546 continue;
3547
3548reg_test_err:
14ab9b86 3549 writel(save_val, bp->regview + offset);
b6016b76
MC		 3550 ret = -ENODEV;
3551 break;
3552 }
3553 return ret;
3554}
3555
3556static int
3557bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
3558{
3559 static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
3560 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
3561 int i;
3562
3563 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
3564 u32 offset;
3565
3566 for (offset = 0; offset < size; offset += 4) {
3567
3568 REG_WR_IND(bp, start + offset, test_pattern[i]);
3569
3570 if (REG_RD_IND(bp, start + offset) !=
3571 test_pattern[i]) {
3572 return -ENODEV;
3573 }
3574 }
3575 }
3576 return 0;
3577}
3578
3579static int
3580bnx2_test_memory(struct bnx2 *bp)
3581{
3582 int ret = 0;
3583 int i;
3584 static struct {
3585 u32 offset;
3586 u32 len;
3587 } mem_tbl[] = {
3588 { 0x60000, 0x4000 },
3589 { 0xa0000, 0x4000 },
3590 { 0xe0000, 0x4000 },
3591 { 0x120000, 0x4000 },
3592 { 0x1a0000, 0x4000 },
3593 { 0x160000, 0x4000 },
3594 { 0xffffffff, 0 },
3595 };
3596
3597 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
3598 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
3599 mem_tbl[i].len)) != 0) {
3600 return ret;
3601 }
3602 }
3603
3604 return ret;
3605}
3606
3607static int
3608bnx2_test_loopback(struct bnx2 *bp)
3609{
3610 unsigned int pkt_size, num_pkts, i;
3611 struct sk_buff *skb, *rx_skb;
3612 unsigned char *packet;
3613 u16 rx_start_idx, rx_idx, send_idx;
3614 u32 send_bseq, val;
3615 dma_addr_t map;
3616 struct tx_bd *txbd;
3617 struct sw_bd *rx_buf;
3618 struct l2_fhdr *rx_hdr;
3619 int ret = -ENODEV;
3620
3621 if (!netif_running(bp->dev))
3622 return -ENODEV;
3623
3624 bp->loopback = MAC_LOOPBACK;
3625 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_DIAG);
3626 bnx2_set_mac_loopback(bp);
3627
3628 pkt_size = 1514;
3629 skb = dev_alloc_skb(pkt_size);
3630 packet = skb_put(skb, pkt_size);
3631 memcpy(packet, bp->mac_addr, 6);
3632 memset(packet + 6, 0x0, 8);
3633 for (i = 14; i < pkt_size; i++)
3634 packet[i] = (unsigned char) (i & 0xff);
3635
3636 map = pci_map_single(bp->pdev, skb->data, pkt_size,
3637 PCI_DMA_TODEVICE);
3638
3639 val = REG_RD(bp, BNX2_HC_COMMAND);
3640 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3641 REG_RD(bp, BNX2_HC_COMMAND);
3642
3643 udelay(5);
3644 rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;
3645
3646 send_idx = 0;
3647 send_bseq = 0;
3648 num_pkts = 0;
3649
3650 txbd = &bp->tx_desc_ring[send_idx];
3651
3652 txbd->tx_bd_haddr_hi = (u64) map >> 32;
3653 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
3654 txbd->tx_bd_mss_nbytes = pkt_size;
3655 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
3656
3657 num_pkts++;
3658 send_idx = NEXT_TX_BD(send_idx);
3659
3660 send_bseq += pkt_size;
3661
3662 REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, send_idx);
3663 REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, send_bseq);
3664
3665
3666 udelay(100);
3667
3668 val = REG_RD(bp, BNX2_HC_COMMAND);
3669 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3670 REG_RD(bp, BNX2_HC_COMMAND);
3671
3672 udelay(5);
3673
3674 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
3675 dev_kfree_skb_irq(skb);
3676
3677 if (bp->status_blk->status_tx_quick_consumer_index0 != send_idx) {
3678 goto loopback_test_done;
3679 }
3680
3681 rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
3682 if (rx_idx != rx_start_idx + num_pkts) {
3683 goto loopback_test_done;
3684 }
3685
3686 rx_buf = &bp->rx_buf_ring[rx_start_idx];
3687 rx_skb = rx_buf->skb;
3688
3689 rx_hdr = (struct l2_fhdr *) rx_skb->data;
3690 skb_reserve(rx_skb, bp->rx_offset);
3691
3692 pci_dma_sync_single_for_cpu(bp->pdev,
3693 pci_unmap_addr(rx_buf, mapping),
3694 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
3695
3696 if (rx_hdr->l2_fhdr_errors &
3697 (L2_FHDR_ERRORS_BAD_CRC |
3698 L2_FHDR_ERRORS_PHY_DECODE |
3699 L2_FHDR_ERRORS_ALIGNMENT |
3700 L2_FHDR_ERRORS_TOO_SHORT |
3701 L2_FHDR_ERRORS_GIANT_FRAME)) {
3702
3703 goto loopback_test_done;
3704 }
3705
3706 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
3707 goto loopback_test_done;
3708 }
3709
3710 for (i = 14; i < pkt_size; i++) {
3711 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
3712 goto loopback_test_done;
3713 }
3714 }
3715
3716 ret = 0;
3717
3718loopback_test_done:
3719 bp->loopback = 0;
3720 return ret;
3721}
3722
3723#define NVRAM_SIZE 0x200
3724#define CRC32_RESIDUAL 0xdebb20e3
3725
3726static int
3727bnx2_test_nvram(struct bnx2 *bp)
3728{
3729 u32 buf[NVRAM_SIZE / 4];
3730 u8 *data = (u8 *) buf;
3731 int rc = 0;
3732 u32 magic, csum;
3733
3734 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
3735 goto test_nvram_done;
3736
3737 magic = be32_to_cpu(buf[0]);
3738 if (magic != 0x669955aa) {
3739 rc = -ENODEV;
3740 goto test_nvram_done;
3741 }
3742
3743 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
3744 goto test_nvram_done;
3745
3746 csum = ether_crc_le(0x100, data);
3747 if (csum != CRC32_RESIDUAL) {
3748 rc = -ENODEV;
3749 goto test_nvram_done;
3750 }
3751
3752 csum = ether_crc_le(0x100, data + 0x100);
3753 if (csum != CRC32_RESIDUAL) {
3754 rc = -ENODEV;
3755 }
3756
3757test_nvram_done:
3758 return rc;
3759}
3760
3761static int
3762bnx2_test_link(struct bnx2 *bp)
3763{
3764 u32 bmsr;
3765
c770a65c 3766 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 3767 bnx2_read_phy(bp, MII_BMSR, &bmsr);
3768 bnx2_read_phy(bp, MII_BMSR, &bmsr);
c770a65c 3769 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 3770
3771 if (bmsr & BMSR_LSTATUS) {
3772 return 0;
3773 }
3774 return -ENODEV;
3775}
3776
3777static int
3778bnx2_test_intr(struct bnx2 *bp)
3779{
3780 int i;
3781 u32 val;
3782 u16 status_idx;
3783
3784 if (!netif_running(bp->dev))
3785 return -ENODEV;
3786
3787 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
3788
3789 /* This register is not touched during run-time. */
3790 val = REG_RD(bp, BNX2_HC_COMMAND);
3791 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
3792 REG_RD(bp, BNX2_HC_COMMAND);
3793
3794 for (i = 0; i < 10; i++) {
3795 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
3796 status_idx) {
3797
3798 break;
3799 }
3800
3801 msleep_interruptible(10);
3802 }
3803 if (i < 10)
3804 return 0;
3805
3806 return -ENODEV;
3807}
3808
3809static void
3810bnx2_timer(unsigned long data)
3811{
3812 struct bnx2 *bp = (struct bnx2 *) data;
3813 u32 msg;
3814
cd339a0e
MC		 3815 if (!netif_running(bp->dev))
3816 return;
3817
b6016b76
MC		 3818 if (atomic_read(&bp->intr_sem) != 0)
3819 goto bnx2_restart_timer;
3820
3821 msg = (u32) ++bp->fw_drv_pulse_wr_seq;
3822 REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_PULSE_MB, msg);
3823
3824 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
3825 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
b6016b76 3826
c770a65c 3827 spin_lock(&bp->phy_lock);
b6016b76
MC		 3828 if (bp->serdes_an_pending) {
3829 bp->serdes_an_pending--;
3830 }
3831 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
3832 u32 bmcr;
3833
cd339a0e
MC		 3834 bp->current_interval = bp->timer_interval;
3835
b6016b76
MC		 3836 bnx2_read_phy(bp, MII_BMCR, &bmcr);
3837
3838 if (bmcr & BMCR_ANENABLE) {
3839 u32 phy1, phy2;
3840
3841 bnx2_write_phy(bp, 0x1c, 0x7c00);
3842 bnx2_read_phy(bp, 0x1c, &phy1);
3843
3844 bnx2_write_phy(bp, 0x17, 0x0f01);
3845 bnx2_read_phy(bp, 0x15, &phy2);
3846 bnx2_write_phy(bp, 0x17, 0x0f01);
3847 bnx2_read_phy(bp, 0x15, &phy2);
3848
3849 if ((phy1 & 0x10) && /* SIGNAL DETECT */
3850 !(phy2 & 0x20)) { /* no CONFIG */
3851
3852 bmcr &= ~BMCR_ANENABLE;
3853 bmcr |= BMCR_SPEED1000 |
3854 BMCR_FULLDPLX;
3855 bnx2_write_phy(bp, MII_BMCR, bmcr);
3856 bp->phy_flags |=
3857 PHY_PARALLEL_DETECT_FLAG;
3858 }
3859 }
3860 }
3861 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
3862 (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
3863 u32 phy2;
3864
3865 bnx2_write_phy(bp, 0x17, 0x0f01);
3866 bnx2_read_phy(bp, 0x15, &phy2);
3867 if (phy2 & 0x20) {
3868 u32 bmcr;
3869
3870 bnx2_read_phy(bp, MII_BMCR, &bmcr);
3871 bmcr |= BMCR_ANENABLE;
3872 bnx2_write_phy(bp, MII_BMCR, bmcr);
3873
3874 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
3875
3876 }
3877 }
cd339a0e
MC		 3878 else
3879 bp->current_interval = bp->timer_interval;
b6016b76 3880
c770a65c 3881 spin_unlock(&bp->phy_lock);
b6016b76
MC		 3882 }
3883
3884bnx2_restart_timer:
cd339a0e 3885 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 3886}
3887
3888/* Called with rtnl_lock */
3889static int
3890bnx2_open(struct net_device *dev)
3891{
3892 struct bnx2 *bp = dev->priv;
3893 int rc;
3894
3895 bnx2_set_power_state(bp, 0);
3896 bnx2_disable_int(bp);
3897
3898 rc = bnx2_alloc_mem(bp);
3899 if (rc)
3900 return rc;
3901
3902 if ((CHIP_ID(bp) != CHIP_ID_5706_A0) &&
3903 (CHIP_ID(bp) != CHIP_ID_5706_A1) &&
3904 !disable_msi) {
3905
3906 if (pci_enable_msi(bp->pdev) == 0) {
3907 bp->flags |= USING_MSI_FLAG;
3908 rc = request_irq(bp->pdev->irq, bnx2_msi, 0, dev->name,
3909 dev);
3910 }
3911 else {
3912 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
3913 SA_SHIRQ, dev->name, dev);
3914 }
3915 }
3916 else {
3917 rc = request_irq(bp->pdev->irq, bnx2_interrupt, SA_SHIRQ,
3918 dev->name, dev);
3919 }
3920 if (rc) {
3921 bnx2_free_mem(bp);
3922 return rc;
3923 }
3924
3925 rc = bnx2_init_nic(bp);
3926
3927 if (rc) {
3928 free_irq(bp->pdev->irq, dev);
3929 if (bp->flags & USING_MSI_FLAG) {
3930 pci_disable_msi(bp->pdev);
3931 bp->flags &= ~USING_MSI_FLAG;
3932 }
3933 bnx2_free_skbs(bp);
3934 bnx2_free_mem(bp);
3935 return rc;
3936 }
3937
cd339a0e 3938 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 3939
3940 atomic_set(&bp->intr_sem, 0);
3941
3942 bnx2_enable_int(bp);
3943
3944 if (bp->flags & USING_MSI_FLAG) {
3945 /* Test MSI to make sure it is working
3946 * If MSI test fails, go back to INTx mode
3947 */
3948 if (bnx2_test_intr(bp) != 0) {
3949 printk(KERN_WARNING PFX "%s: No interrupt was generated"
3950 " using MSI, switching to INTx mode. Please"
3951 " report this failure to the PCI maintainer"
3952 " and include system chipset information.\n",
3953 bp->dev->name);
3954
3955 bnx2_disable_int(bp);
3956 free_irq(bp->pdev->irq, dev);
3957 pci_disable_msi(bp->pdev);
3958 bp->flags &= ~USING_MSI_FLAG;
3959
3960 rc = bnx2_init_nic(bp);
3961
3962 if (!rc) {
3963 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
3964 SA_SHIRQ, dev->name, dev);
3965 }
3966 if (rc) {
3967 bnx2_free_skbs(bp);
3968 bnx2_free_mem(bp);
3969 del_timer_sync(&bp->timer);
3970 return rc;
3971 }
3972 bnx2_enable_int(bp);
3973 }
3974 }
3975 if (bp->flags & USING_MSI_FLAG) {
3976 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
3977 }
3978
3979 netif_start_queue(dev);
3980
3981 return 0;
3982}
3983
3984static void
3985bnx2_reset_task(void *data)
3986{
3987 struct bnx2 *bp = data;
3988
afdc08b9
MC		 3989 if (!netif_running(bp->dev))
3990 return;
3991
3992 bp->in_reset_task = 1;
b6016b76
MC		 3993 bnx2_netif_stop(bp);
3994
3995 bnx2_init_nic(bp);
3996
3997 atomic_set(&bp->intr_sem, 1);
3998 bnx2_netif_start(bp);
afdc08b9 3999 bp->in_reset_task = 0;
b6016b76
MC		 4000}
4001
4002static void
4003bnx2_tx_timeout(struct net_device *dev)
4004{
4005 struct bnx2 *bp = dev->priv;
4006
4007 /* This allows the netif to be shutdown gracefully before resetting */
4008 schedule_work(&bp->reset_task);
4009}
4010
4011#ifdef BCM_VLAN
4012/* Called with rtnl_lock */
4013static void
4014bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
4015{
4016 struct bnx2 *bp = dev->priv;
4017
4018 bnx2_netif_stop(bp);
4019
4020 bp->vlgrp = vlgrp;
4021 bnx2_set_rx_mode(dev);
4022
4023 bnx2_netif_start(bp);
4024}
4025
4026/* Called with rtnl_lock */
4027static void
4028bnx2_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
4029{
4030 struct bnx2 *bp = dev->priv;
4031
4032 bnx2_netif_stop(bp);
4033
4034 if (bp->vlgrp)
4035 bp->vlgrp->vlan_devices[vid] = NULL;
4036 bnx2_set_rx_mode(dev);
4037
4038 bnx2_netif_start(bp);
4039}
4040#endif
4041
4042/* Called with dev->xmit_lock.
4043 * hard_start_xmit is pseudo-lockless - a lock is only required when
4044 * the tx queue is full. This way, we get the benefit of lockless
4045 * operations most of the time without the complexities to handle
4046 * netif_stop_queue/wake_queue race conditions.
4047 */
4048static int
4049bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
4050{
4051 struct bnx2 *bp = dev->priv;
4052 dma_addr_t mapping;
4053 struct tx_bd *txbd;
4054 struct sw_bd *tx_buf;
4055 u32 len, vlan_tag_flags, last_frag, mss;
4056 u16 prod, ring_prod;
4057 int i;
4058
e89bbf10 4059 if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
b6016b76
MC		 4060 netif_stop_queue(dev);
4061 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
4062 dev->name);
4063
4064 return NETDEV_TX_BUSY;
4065 }
4066 len = skb_headlen(skb);
4067 prod = bp->tx_prod;
4068 ring_prod = TX_RING_IDX(prod);
4069
4070 vlan_tag_flags = 0;
4071 if (skb->ip_summed == CHECKSUM_HW) {
4072 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
4073 }
4074
4075 if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
4076 vlan_tag_flags |=
4077 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
4078 }
4079#ifdef BCM_TSO
4080 if ((mss = skb_shinfo(skb)->tso_size) &&
4081 (skb->len > (bp->dev->mtu + ETH_HLEN))) {
4082 u32 tcp_opt_len, ip_tcp_len;
4083
4084 if (skb_header_cloned(skb) &&
4085 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4086 dev_kfree_skb(skb);
4087 return NETDEV_TX_OK;
4088 }
4089
4090 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4091 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
4092
4093 tcp_opt_len = 0;
4094 if (skb->h.th->doff > 5) {
4095 tcp_opt_len = (skb->h.th->doff - 5) << 2;
4096 }
4097 ip_tcp_len = (skb->nh.iph->ihl << 2) + sizeof(struct tcphdr);
4098
4099 skb->nh.iph->check = 0;
4100 skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
4101 skb->h.th->check =
4102 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4103 skb->nh.iph->daddr,
4104 0, IPPROTO_TCP, 0);
4105
4106 if (tcp_opt_len || (skb->nh.iph->ihl > 5)) {
4107 vlan_tag_flags |= ((skb->nh.iph->ihl - 5) +
4108 (tcp_opt_len >> 2)) << 8;
4109 }
4110 }
4111 else
4112#endif
4113 {
4114 mss = 0;
4115 }
4116
4117 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4118
4119 tx_buf = &bp->tx_buf_ring[ring_prod];
4120 tx_buf->skb = skb;
4121 pci_unmap_addr_set(tx_buf, mapping, mapping);
4122
4123 txbd = &bp->tx_desc_ring[ring_prod];
4124
4125 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4126 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4127 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4128 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
4129
4130 last_frag = skb_shinfo(skb)->nr_frags;
4131
4132 for (i = 0; i < last_frag; i++) {
4133 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4134
4135 prod = NEXT_TX_BD(prod);
4136 ring_prod = TX_RING_IDX(prod);
4137 txbd = &bp->tx_desc_ring[ring_prod];
4138
4139 len = frag->size;
4140 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
4141 len, PCI_DMA_TODEVICE);
4142 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
4143 mapping, mapping);
4144
4145 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4146 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4147 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4148 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
4149
4150 }
4151 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
4152
4153 prod = NEXT_TX_BD(prod);
4154 bp->tx_prod_bseq += skb->len;
4155
b6016b76
MC		 4156 REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
4157 REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
4158
4159 mmiowb();
4160
4161 bp->tx_prod = prod;
4162 dev->trans_start = jiffies;
4163
e89bbf10 4164 if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
c770a65c 4165 spin_lock(&bp->tx_lock);
e89bbf10
MC		 4166 netif_stop_queue(dev);
4167
4168 if (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)
4169 netif_wake_queue(dev);
c770a65c 4170 spin_unlock(&bp->tx_lock);
b6016b76
MC		 4171 }
4172
4173 return NETDEV_TX_OK;
4174}
4175
4176/* Called with rtnl_lock */
4177static int
4178bnx2_close(struct net_device *dev)
4179{
4180 struct bnx2 *bp = dev->priv;
4181 u32 reset_code;
4182
afdc08b9
MC		 4183 /* Calling flush_scheduled_work() may deadlock because
4184 * linkwatch_event() may be on the workqueue and it will try to get
4185 * the rtnl_lock which we are holding.
4186 */
4187 while (bp->in_reset_task)
4188 msleep(1);
4189
b6016b76
MC		 4190 bnx2_netif_stop(bp);
4191 del_timer_sync(&bp->timer);
4192 if (bp->wol)
4193 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4194 else
4195 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4196 bnx2_reset_chip(bp, reset_code);
4197 free_irq(bp->pdev->irq, dev);
4198 if (bp->flags & USING_MSI_FLAG) {
4199 pci_disable_msi(bp->pdev);
4200 bp->flags &= ~USING_MSI_FLAG;
4201 }
4202 bnx2_free_skbs(bp);
4203 bnx2_free_mem(bp);
4204 bp->link_up = 0;
4205 netif_carrier_off(bp->dev);
4206 bnx2_set_power_state(bp, 3);
4207 return 0;
4208}
4209
4210#define GET_NET_STATS64(ctr) \
4211 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
4212 (unsigned long) (ctr##_lo)
4213
4214#define GET_NET_STATS32(ctr) \
4215 (ctr##_lo)
4216
4217#if (BITS_PER_LONG == 64)
4218#define GET_NET_STATS GET_NET_STATS64
4219#else
4220#define GET_NET_STATS GET_NET_STATS32
4221#endif
4222
4223static struct net_device_stats *
4224bnx2_get_stats(struct net_device *dev)
4225{
4226 struct bnx2 *bp = dev->priv;
4227 struct statistics_block *stats_blk = bp->stats_blk;
4228 struct net_device_stats *net_stats = &bp->net_stats;
4229
4230 if (bp->stats_blk == NULL) {
4231 return net_stats;
4232 }
4233 net_stats->rx_packets =
4234 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
4235 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
4236 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
4237
4238 net_stats->tx_packets =
4239 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
4240 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
4241 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
4242
4243 net_stats->rx_bytes =
4244 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
4245
4246 net_stats->tx_bytes =
4247 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
4248
4249 net_stats->multicast =
4250 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
4251
4252 net_stats->collisions =
4253 (unsigned long) stats_blk->stat_EtherStatsCollisions;
4254
4255 net_stats->rx_length_errors =
4256 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
4257 stats_blk->stat_EtherStatsOverrsizePkts);
4258
4259 net_stats->rx_over_errors =
4260 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
4261
4262 net_stats->rx_frame_errors =
4263 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
4264
4265 net_stats->rx_crc_errors =
4266 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
4267
4268 net_stats->rx_errors = net_stats->rx_length_errors +
4269 net_stats->rx_over_errors + net_stats->rx_frame_errors +
4270 net_stats->rx_crc_errors;
4271
4272 net_stats->tx_aborted_errors =
4273 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
4274 stats_blk->stat_Dot3StatsLateCollisions);
4275
4276 if (CHIP_NUM(bp) == CHIP_NUM_5706)
4277 net_stats->tx_carrier_errors = 0;
4278 else {
4279 net_stats->tx_carrier_errors =
4280 (unsigned long)
4281 stats_blk->stat_Dot3StatsCarrierSenseErrors;
4282 }
4283
4284 net_stats->tx_errors =
4285 (unsigned long)
4286 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
4287 +
4288 net_stats->tx_aborted_errors +
4289 net_stats->tx_carrier_errors;
4290
4291 return net_stats;
4292}
4293
4294/* All ethtool functions called with rtnl_lock */
4295
4296static int
4297bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4298{
4299 struct bnx2 *bp = dev->priv;
4300
4301 cmd->supported = SUPPORTED_Autoneg;
4302 if (bp->phy_flags & PHY_SERDES_FLAG) {
4303 cmd->supported |= SUPPORTED_1000baseT_Full |
4304 SUPPORTED_FIBRE;
4305
4306 cmd->port = PORT_FIBRE;
4307 }
4308 else {
4309 cmd->supported |= SUPPORTED_10baseT_Half |
4310 SUPPORTED_10baseT_Full |
4311 SUPPORTED_100baseT_Half |
4312 SUPPORTED_100baseT_Full |
4313 SUPPORTED_1000baseT_Full |
4314 SUPPORTED_TP;
4315
4316 cmd->port = PORT_TP;
4317 }
4318
4319 cmd->advertising = bp->advertising;
4320
4321 if (bp->autoneg & AUTONEG_SPEED) {
4322 cmd->autoneg = AUTONEG_ENABLE;
4323 }
4324 else {
4325 cmd->autoneg = AUTONEG_DISABLE;
4326 }
4327
4328 if (netif_carrier_ok(dev)) {
4329 cmd->speed = bp->line_speed;
4330 cmd->duplex = bp->duplex;
4331 }
4332 else {
4333 cmd->speed = -1;
4334 cmd->duplex = -1;
4335 }
4336
4337 cmd->transceiver = XCVR_INTERNAL;
4338 cmd->phy_address = bp->phy_addr;
4339
4340 return 0;
4341}
4342
4343static int
4344bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4345{
4346 struct bnx2 *bp = dev->priv;
4347 u8 autoneg = bp->autoneg;
4348 u8 req_duplex = bp->req_duplex;
4349 u16 req_line_speed = bp->req_line_speed;
4350 u32 advertising = bp->advertising;
4351
4352 if (cmd->autoneg == AUTONEG_ENABLE) {
4353 autoneg |= AUTONEG_SPEED;
4354
4355 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
4356
4357 /* allow advertising 1 speed */
4358 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
4359 (cmd->advertising == ADVERTISED_10baseT_Full) ||
4360 (cmd->advertising == ADVERTISED_100baseT_Half) ||
4361 (cmd->advertising == ADVERTISED_100baseT_Full)) {
4362
4363 if (bp->phy_flags & PHY_SERDES_FLAG)
4364 return -EINVAL;
4365
4366 advertising = cmd->advertising;
4367
4368 }
4369 else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
4370 advertising = cmd->advertising;
4371 }
4372 else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
4373 return -EINVAL;
4374 }
4375 else {
4376 if (bp->phy_flags & PHY_SERDES_FLAG) {
4377 advertising = ETHTOOL_ALL_FIBRE_SPEED;
4378 }
4379 else {
4380 advertising = ETHTOOL_ALL_COPPER_SPEED;
4381 }
4382 }
4383 advertising |= ADVERTISED_Autoneg;
4384 }
4385 else {
4386 if (bp->phy_flags & PHY_SERDES_FLAG) {
4387 if ((cmd->speed != SPEED_1000) ||
4388 (cmd->duplex != DUPLEX_FULL)) {
4389 return -EINVAL;
4390 }
4391 }
4392 else if (cmd->speed == SPEED_1000) {
4393 return -EINVAL;
4394 }
4395 autoneg &= ~AUTONEG_SPEED;
4396 req_line_speed = cmd->speed;
4397 req_duplex = cmd->duplex;
4398 advertising = 0;
4399 }
4400
4401 bp->autoneg = autoneg;
4402 bp->advertising = advertising;
4403 bp->req_line_speed = req_line_speed;
4404 bp->req_duplex = req_duplex;
4405
c770a65c 4406 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 4407
4408 bnx2_setup_phy(bp);
4409
c770a65c 4410 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 4411
4412 return 0;
4413}
4414
4415static void
4416bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
4417{
4418 struct bnx2 *bp = dev->priv;
4419
4420 strcpy(info->driver, DRV_MODULE_NAME);
4421 strcpy(info->version, DRV_MODULE_VERSION);
4422 strcpy(info->bus_info, pci_name(bp->pdev));
4423 info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
4424 info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
4425 info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
4426 info->fw_version[6] = (bp->fw_ver & 0xff) + '0';
4427 info->fw_version[1] = info->fw_version[3] = info->fw_version[5] = '.';
4428 info->fw_version[7] = 0;
4429}
4430
4431static void
4432bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4433{
4434 struct bnx2 *bp = dev->priv;
4435
4436 if (bp->flags & NO_WOL_FLAG) {
4437 wol->supported = 0;
4438 wol->wolopts = 0;
4439 }
4440 else {
4441 wol->supported = WAKE_MAGIC;
4442 if (bp->wol)
4443 wol->wolopts = WAKE_MAGIC;
4444 else
4445 wol->wolopts = 0;
4446 }
4447 memset(&wol->sopass, 0, sizeof(wol->sopass));
4448}
4449
4450static int
4451bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4452{
4453 struct bnx2 *bp = dev->priv;
4454
4455 if (wol->wolopts & ~WAKE_MAGIC)
4456 return -EINVAL;
4457
4458 if (wol->wolopts & WAKE_MAGIC) {
4459 if (bp->flags & NO_WOL_FLAG)
4460 return -EINVAL;
4461
4462 bp->wol = 1;
4463 }
4464 else {
4465 bp->wol = 0;
4466 }
4467 return 0;
4468}
4469
4470static int
4471bnx2_nway_reset(struct net_device *dev)
4472{
4473 struct bnx2 *bp = dev->priv;
4474 u32 bmcr;
4475
4476 if (!(bp->autoneg & AUTONEG_SPEED)) {
4477 return -EINVAL;
4478 }
4479
c770a65c 4480 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 4481
4482 /* Force a link down visible on the other side */
4483 if (bp->phy_flags & PHY_SERDES_FLAG) {
4484 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
c770a65c 4485 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 4486
4487 msleep(20);
4488
c770a65c 4489 spin_lock_bh(&bp->phy_lock);
b6016b76 4490 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
cd339a0e
MC		 4491 bp->current_interval = SERDES_AN_TIMEOUT;
4492 bp->serdes_an_pending = 1;
4493 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 4494 }
4495 }
4496
4497 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4498 bmcr &= ~BMCR_LOOPBACK;
4499 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
4500
c770a65c 4501 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 4502
4503 return 0;
4504}
4505
4506static int
4507bnx2_get_eeprom_len(struct net_device *dev)
4508{
4509 struct bnx2 *bp = dev->priv;
4510
4511 if (bp->flash_info == 0)
4512 return 0;
4513
4514 return (int) bp->flash_info->total_size;
4515}
4516
4517static int
4518bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4519 u8 *eebuf)
4520{
4521 struct bnx2 *bp = dev->priv;
4522 int rc;
4523
4524 if (eeprom->offset > bp->flash_info->total_size)
4525 return -EINVAL;
4526
4527 if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4528 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4529
4530 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
4531
4532 return rc;
4533}
4534
4535static int
4536bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4537 u8 *eebuf)
4538{
4539 struct bnx2 *bp = dev->priv;
4540 int rc;
4541
4542 if (eeprom->offset > bp->flash_info->total_size)
4543 return -EINVAL;
4544
4545 if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4546 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4547
4548 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
4549
4550 return rc;
4551}
4552
4553static int
4554bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4555{
4556 struct bnx2 *bp = dev->priv;
4557
4558 memset(coal, 0, sizeof(struct ethtool_coalesce));
4559
4560 coal->rx_coalesce_usecs = bp->rx_ticks;
4561 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
4562 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
4563 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
4564
4565 coal->tx_coalesce_usecs = bp->tx_ticks;
4566 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
4567 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
4568 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
4569
4570 coal->stats_block_coalesce_usecs = bp->stats_ticks;
4571
4572 return 0;
4573}
4574
4575static int
4576bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4577{
4578 struct bnx2 *bp = dev->priv;
4579
4580 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
4581 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
4582
4583 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
4584 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
4585
4586 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
4587 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
4588
4589 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
4590 if (bp->rx_quick_cons_trip_int > 0xff)
4591 bp->rx_quick_cons_trip_int = 0xff;
4592
4593 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
4594 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
4595
4596 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
4597 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
4598
4599 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
4600 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
4601
4602 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
4603 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
4604 0xff;
4605
4606 bp->stats_ticks = coal->stats_block_coalesce_usecs;
4607 if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
4608 bp->stats_ticks &= 0xffff00;
4609
4610 if (netif_running(bp->dev)) {
4611 bnx2_netif_stop(bp);
4612 bnx2_init_nic(bp);
4613 bnx2_netif_start(bp);
4614 }
4615
4616 return 0;
4617}
4618
4619static void
4620bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4621{
4622 struct bnx2 *bp = dev->priv;
4623
4624 ering->rx_max_pending = MAX_RX_DESC_CNT;
4625 ering->rx_mini_max_pending = 0;
4626 ering->rx_jumbo_max_pending = 0;
4627
4628 ering->rx_pending = bp->rx_ring_size;
4629 ering->rx_mini_pending = 0;
4630 ering->rx_jumbo_pending = 0;
4631
4632 ering->tx_max_pending = MAX_TX_DESC_CNT;
4633 ering->tx_pending = bp->tx_ring_size;
4634}
4635
4636static int
4637bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4638{
4639 struct bnx2 *bp = dev->priv;
4640
4641 if ((ering->rx_pending > MAX_RX_DESC_CNT) ||
4642 (ering->tx_pending > MAX_TX_DESC_CNT) ||
4643 (ering->tx_pending <= MAX_SKB_FRAGS)) {
4644
4645 return -EINVAL;
4646 }
4647 bp->rx_ring_size = ering->rx_pending;
4648 bp->tx_ring_size = ering->tx_pending;
4649
4650 if (netif_running(bp->dev)) {
4651 bnx2_netif_stop(bp);
4652 bnx2_init_nic(bp);
4653 bnx2_netif_start(bp);
4654 }
4655
4656 return 0;
4657}
4658
4659static void
4660bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4661{
4662 struct bnx2 *bp = dev->priv;
4663
4664 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
4665 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
4666 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
4667}
4668
4669static int
4670bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4671{
4672 struct bnx2 *bp = dev->priv;
4673
4674 bp->req_flow_ctrl = 0;
4675 if (epause->rx_pause)
4676 bp->req_flow_ctrl |= FLOW_CTRL_RX;
4677 if (epause->tx_pause)
4678 bp->req_flow_ctrl |= FLOW_CTRL_TX;
4679
4680 if (epause->autoneg) {
4681 bp->autoneg |= AUTONEG_FLOW_CTRL;
4682 }
4683 else {
4684 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
4685 }
4686
c770a65c 4687 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 4688
4689 bnx2_setup_phy(bp);
4690
c770a65c 4691 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 4692
4693 return 0;
4694}
4695
4696static u32
4697bnx2_get_rx_csum(struct net_device *dev)
4698{
4699 struct bnx2 *bp = dev->priv;
4700
4701 return bp->rx_csum;
4702}
4703
4704static int
4705bnx2_set_rx_csum(struct net_device *dev, u32 data)
4706{
4707 struct bnx2 *bp = dev->priv;
4708
4709 bp->rx_csum = data;
4710 return 0;
4711}
4712
4713#define BNX2_NUM_STATS 45
4714
14ab9b86 4715static struct {
b6016b76
MC		 4716 char string[ETH_GSTRING_LEN];
4717} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
4718 { "rx_bytes" },
4719 { "rx_error_bytes" },
4720 { "tx_bytes" },
4721 { "tx_error_bytes" },
4722 { "rx_ucast_packets" },
4723 { "rx_mcast_packets" },
4724 { "rx_bcast_packets" },
4725 { "tx_ucast_packets" },
4726 { "tx_mcast_packets" },
4727 { "tx_bcast_packets" },
4728 { "tx_mac_errors" },
4729 { "tx_carrier_errors" },
4730 { "rx_crc_errors" },
4731 { "rx_align_errors" },
4732 { "tx_single_collisions" },
4733 { "tx_multi_collisions" },
4734 { "tx_deferred" },
4735 { "tx_excess_collisions" },
4736 { "tx_late_collisions" },
4737 { "tx_total_collisions" },
4738 { "rx_fragments" },
4739 { "rx_jabbers" },
4740 { "rx_undersize_packets" },
4741 { "rx_oversize_packets" },
4742 { "rx_64_byte_packets" },
4743 { "rx_65_to_127_byte_packets" },
4744 { "rx_128_to_255_byte_packets" },
4745 { "rx_256_to_511_byte_packets" },
4746 { "rx_512_to_1023_byte_packets" },
4747 { "rx_1024_to_1522_byte_packets" },
4748 { "rx_1523_to_9022_byte_packets" },
4749 { "tx_64_byte_packets" },
4750 { "tx_65_to_127_byte_packets" },
4751 { "tx_128_to_255_byte_packets" },
4752 { "tx_256_to_511_byte_packets" },
4753 { "tx_512_to_1023_byte_packets" },
4754 { "tx_1024_to_1522_byte_packets" },
4755 { "tx_1523_to_9022_byte_packets" },
4756 { "rx_xon_frames" },
4757 { "rx_xoff_frames" },
4758 { "tx_xon_frames" },
4759 { "tx_xoff_frames" },
4760 { "rx_mac_ctrl_frames" },
4761 { "rx_filtered_packets" },
4762 { "rx_discards" },
4763};
4764
4765#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
4766
14ab9b86 4767static unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
b6016b76
MC		 4768 STATS_OFFSET32(stat_IfHCInOctets_hi),
4769 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
4770 STATS_OFFSET32(stat_IfHCOutOctets_hi),
4771 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
4772 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
4773 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
4774 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
4775 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
4776 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
4777 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
4778 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
4779 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
4780 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
4781 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
4782 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
4783 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
4784 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
4785 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
4786 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
4787 STATS_OFFSET32(stat_EtherStatsCollisions),
4788 STATS_OFFSET32(stat_EtherStatsFragments),
4789 STATS_OFFSET32(stat_EtherStatsJabbers),
4790 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
4791 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
4792 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
4793 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
4794 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
4795 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
4796 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
4797 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
4798 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
4799 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
4800 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
4801 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
4802 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
4803 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
4804 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
4805 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
4806 STATS_OFFSET32(stat_XonPauseFramesReceived),
4807 STATS_OFFSET32(stat_XoffPauseFramesReceived),
4808 STATS_OFFSET32(stat_OutXonSent),
4809 STATS_OFFSET32(stat_OutXoffSent),
4810 STATS_OFFSET32(stat_MacControlFramesReceived),
4811 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
4812 STATS_OFFSET32(stat_IfInMBUFDiscards),
4813};
4814
4815/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
4816 * skipped because of errata.
4817 */
14ab9b86 4818static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
b6016b76
MC		 4819 8,0,8,8,8,8,8,8,8,8,
4820 4,0,4,4,4,4,4,4,4,4,
4821 4,4,4,4,4,4,4,4,4,4,
4822 4,4,4,4,4,4,4,4,4,4,
4823 4,4,4,4,4,
4824};
4825
4826#define BNX2_NUM_TESTS 6
4827
14ab9b86 4828static struct {
b6016b76
MC		 4829 char string[ETH_GSTRING_LEN];
4830} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
4831 { "register_test (offline)" },
4832 { "memory_test (offline)" },
4833 { "loopback_test (offline)" },
4834 { "nvram_test (online)" },
4835 { "interrupt_test (online)" },
4836 { "link_test (online)" },
4837};
4838
4839static int
4840bnx2_self_test_count(struct net_device *dev)
4841{
4842 return BNX2_NUM_TESTS;
4843}
4844
4845static void
4846bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
4847{
4848 struct bnx2 *bp = dev->priv;
4849
4850 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
4851 if (etest->flags & ETH_TEST_FL_OFFLINE) {
4852 bnx2_netif_stop(bp);
4853 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
4854 bnx2_free_skbs(bp);
4855
4856 if (bnx2_test_registers(bp) != 0) {
4857 buf[0] = 1;
4858 etest->flags |= ETH_TEST_FL_FAILED;
4859 }
4860 if (bnx2_test_memory(bp) != 0) {
4861 buf[1] = 1;
4862 etest->flags |= ETH_TEST_FL_FAILED;
4863 }
4864 if (bnx2_test_loopback(bp) != 0) {
4865 buf[2] = 1;
4866 etest->flags |= ETH_TEST_FL_FAILED;
4867 }
4868
4869 if (!netif_running(bp->dev)) {
4870 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
4871 }
4872 else {
4873 bnx2_init_nic(bp);
4874 bnx2_netif_start(bp);
4875 }
4876
4877 /* wait for link up */
4878 msleep_interruptible(3000);
4879 if ((!bp->link_up) && !(bp->phy_flags & PHY_SERDES_FLAG))
4880 msleep_interruptible(4000);
4881 }
4882
4883 if (bnx2_test_nvram(bp) != 0) {
4884 buf[3] = 1;
4885 etest->flags |= ETH_TEST_FL_FAILED;
4886 }
4887 if (bnx2_test_intr(bp) != 0) {
4888 buf[4] = 1;
4889 etest->flags |= ETH_TEST_FL_FAILED;
4890 }
4891
4892 if (bnx2_test_link(bp) != 0) {
4893 buf[5] = 1;
4894 etest->flags |= ETH_TEST_FL_FAILED;
4895
4896 }
4897}
4898
4899static void
4900bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
4901{
4902 switch (stringset) {
4903 case ETH_SS_STATS:
4904 memcpy(buf, bnx2_stats_str_arr,
4905 sizeof(bnx2_stats_str_arr));
4906 break;
4907 case ETH_SS_TEST:
4908 memcpy(buf, bnx2_tests_str_arr,
4909 sizeof(bnx2_tests_str_arr));
4910 break;
4911 }
4912}
4913
4914static int
4915bnx2_get_stats_count(struct net_device *dev)
4916{
4917 return BNX2_NUM_STATS;
4918}
4919
4920static void
4921bnx2_get_ethtool_stats(struct net_device *dev,
4922 struct ethtool_stats *stats, u64 *buf)
4923{
4924 struct bnx2 *bp = dev->priv;
4925 int i;
4926 u32 *hw_stats = (u32 *) bp->stats_blk;
14ab9b86 4927 u8 *stats_len_arr = NULL;
b6016b76
MC		 4928
4929 if (hw_stats == NULL) {
4930 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
4931 return;
4932 }
4933
4934 if (CHIP_NUM(bp) == CHIP_NUM_5706)
4935 stats_len_arr = bnx2_5706_stats_len_arr;
4936
4937 for (i = 0; i < BNX2_NUM_STATS; i++) {
4938 if (stats_len_arr[i] == 0) {
4939 /* skip this counter */
4940 buf[i] = 0;
4941 continue;
4942 }
4943 if (stats_len_arr[i] == 4) {
4944 /* 4-byte counter */
4945 buf[i] = (u64)
4946 *(hw_stats + bnx2_stats_offset_arr[i]);
4947 continue;
4948 }
4949 /* 8-byte counter */
4950 buf[i] = (((u64) *(hw_stats +
4951 bnx2_stats_offset_arr[i])) << 32) +
4952 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
4953 }
4954}
4955
4956static int
4957bnx2_phys_id(struct net_device *dev, u32 data)
4958{
4959 struct bnx2 *bp = dev->priv;
4960 int i;
4961 u32 save;
4962
4963 if (data == 0)
4964 data = 2;
4965
4966 save = REG_RD(bp, BNX2_MISC_CFG);
4967 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
4968
4969 for (i = 0; i < (data * 2); i++) {
4970 if ((i % 2) == 0) {
4971 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
4972 }
4973 else {
4974 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
4975 BNX2_EMAC_LED_1000MB_OVERRIDE |
4976 BNX2_EMAC_LED_100MB_OVERRIDE |
4977 BNX2_EMAC_LED_10MB_OVERRIDE |
4978 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
4979 BNX2_EMAC_LED_TRAFFIC);
4980 }
4981 msleep_interruptible(500);
4982 if (signal_pending(current))
4983 break;
4984 }
4985 REG_WR(bp, BNX2_EMAC_LED, 0);
4986 REG_WR(bp, BNX2_MISC_CFG, save);
4987 return 0;
4988}
4989
4990static struct ethtool_ops bnx2_ethtool_ops = {
4991 .get_settings = bnx2_get_settings,
4992 .set_settings = bnx2_set_settings,
4993 .get_drvinfo = bnx2_get_drvinfo,
4994 .get_wol = bnx2_get_wol,
4995 .set_wol = bnx2_set_wol,
4996 .nway_reset = bnx2_nway_reset,
4997 .get_link = ethtool_op_get_link,
4998 .get_eeprom_len = bnx2_get_eeprom_len,
4999 .get_eeprom = bnx2_get_eeprom,
5000 .set_eeprom = bnx2_set_eeprom,
5001 .get_coalesce = bnx2_get_coalesce,
5002 .set_coalesce = bnx2_set_coalesce,
5003 .get_ringparam = bnx2_get_ringparam,
5004 .set_ringparam = bnx2_set_ringparam,
5005 .get_pauseparam = bnx2_get_pauseparam,
5006 .set_pauseparam = bnx2_set_pauseparam,
5007 .get_rx_csum = bnx2_get_rx_csum,
5008 .set_rx_csum = bnx2_set_rx_csum,
5009 .get_tx_csum = ethtool_op_get_tx_csum,
5010 .set_tx_csum = ethtool_op_set_tx_csum,
5011 .get_sg = ethtool_op_get_sg,
5012 .set_sg = ethtool_op_set_sg,
5013#ifdef BCM_TSO
5014 .get_tso = ethtool_op_get_tso,
5015 .set_tso = ethtool_op_set_tso,
5016#endif
5017 .self_test_count = bnx2_self_test_count,
5018 .self_test = bnx2_self_test,
5019 .get_strings = bnx2_get_strings,
5020 .phys_id = bnx2_phys_id,
5021 .get_stats_count = bnx2_get_stats_count,
5022 .get_ethtool_stats = bnx2_get_ethtool_stats,
5023};
5024
5025/* Called with rtnl_lock */
5026static int
5027bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
5028{
14ab9b86 5029 struct mii_ioctl_data *data = if_mii(ifr);
b6016b76
MC		 5030 struct bnx2 *bp = dev->priv;
5031 int err;
5032
5033 switch(cmd) {
5034 case SIOCGMIIPHY:
5035 data->phy_id = bp->phy_addr;
5036
5037 /* fallthru */
5038 case SIOCGMIIREG: {
5039 u32 mii_regval;
5040
c770a65c 5041 spin_lock_bh(&bp->phy_lock);
b6016b76 5042 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
c770a65c 5043 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 5044
5045 data->val_out = mii_regval;
5046
5047 return err;
5048 }
5049
5050 case SIOCSMIIREG:
5051 if (!capable(CAP_NET_ADMIN))
5052 return -EPERM;
5053
c770a65c 5054 spin_lock_bh(&bp->phy_lock);
b6016b76 5055 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
c770a65c 5056 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 5057
5058 return err;
5059
5060 default:
5061 /* do nothing */
5062 break;
5063 }
5064 return -EOPNOTSUPP;
5065}
5066
5067/* Called with rtnl_lock */
5068static int
5069bnx2_change_mac_addr(struct net_device *dev, void *p)
5070{
5071 struct sockaddr *addr = p;
5072 struct bnx2 *bp = dev->priv;
5073
5074 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5075 if (netif_running(dev))
5076 bnx2_set_mac_addr(bp);
5077
5078 return 0;
5079}
5080
5081/* Called with rtnl_lock */
5082static int
5083bnx2_change_mtu(struct net_device *dev, int new_mtu)
5084{
5085 struct bnx2 *bp = dev->priv;
5086
5087 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
5088 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
5089 return -EINVAL;
5090
5091 dev->mtu = new_mtu;
5092 if (netif_running(dev)) {
5093 bnx2_netif_stop(bp);
5094
5095 bnx2_init_nic(bp);
5096
5097 bnx2_netif_start(bp);
5098 }
5099 return 0;
5100}
5101
5102#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5103static void
5104poll_bnx2(struct net_device *dev)
5105{
5106 struct bnx2 *bp = dev->priv;
5107
5108 disable_irq(bp->pdev->irq);
5109 bnx2_interrupt(bp->pdev->irq, dev, NULL);
5110 enable_irq(bp->pdev->irq);
5111}
5112#endif
5113
5114static int __devinit
5115bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
5116{
5117 struct bnx2 *bp;
5118 unsigned long mem_len;
5119 int rc;
5120 u32 reg;
5121
5122 SET_MODULE_OWNER(dev);
5123 SET_NETDEV_DEV(dev, &pdev->dev);
5124 bp = dev->priv;
5125
5126 bp->flags = 0;
5127 bp->phy_flags = 0;
5128
5129 /* enable device (incl. PCI PM wakeup), and bus-mastering */
5130 rc = pci_enable_device(pdev);
5131 if (rc) {
5132 printk(KERN_ERR PFX "Cannot enable PCI device, aborting.");
5133 goto err_out;
5134 }
5135
5136 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
5137 printk(KERN_ERR PFX "Cannot find PCI device base address, "
5138 "aborting.\n");
5139 rc = -ENODEV;
5140 goto err_out_disable;
5141 }
5142
5143 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
5144 if (rc) {
5145 printk(KERN_ERR PFX "Cannot obtain PCI resources, aborting.\n");
5146 goto err_out_disable;
5147 }
5148
5149 pci_set_master(pdev);
5150
5151 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
5152 if (bp->pm_cap == 0) {
5153 printk(KERN_ERR PFX "Cannot find power management capability, "
5154 "aborting.\n");
5155 rc = -EIO;
5156 goto err_out_release;
5157 }
5158
5159 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
5160 if (bp->pcix_cap == 0) {
5161 printk(KERN_ERR PFX "Cannot find PCIX capability, aborting.\n");
5162 rc = -EIO;
5163 goto err_out_release;
5164 }
5165
5166 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
5167 bp->flags |= USING_DAC_FLAG;
5168 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
5169 printk(KERN_ERR PFX "pci_set_consistent_dma_mask "
5170 "failed, aborting.\n");
5171 rc = -EIO;
5172 goto err_out_release;
5173 }
5174 }
5175 else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
5176 printk(KERN_ERR PFX "System does not support DMA, aborting.\n");
5177 rc = -EIO;
5178 goto err_out_release;
5179 }
5180
5181 bp->dev = dev;
5182 bp->pdev = pdev;
5183
5184 spin_lock_init(&bp->phy_lock);
5185 spin_lock_init(&bp->tx_lock);
5186 INIT_WORK(&bp->reset_task, bnx2_reset_task, bp);
5187
5188 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
5189 mem_len = MB_GET_CID_ADDR(17);
5190 dev->mem_end = dev->mem_start + mem_len;
5191 dev->irq = pdev->irq;
5192
5193 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
5194
5195 if (!bp->regview) {
5196 printk(KERN_ERR PFX "Cannot map register space, aborting.\n");
5197 rc = -ENOMEM;
5198 goto err_out_release;
5199 }
5200
5201 /* Configure byte swap and enable write to the reg_window registers.
5202 * Rely on CPU to do target byte swapping on big endian systems
5203 * The chip's target access swapping will not swap all accesses
5204 */
5205 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
5206 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
5207 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
5208
5209 bnx2_set_power_state(bp, 0);
5210
5211 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
5212
5213 bp->phy_addr = 1;
5214
5215 /* Get bus information. */
5216 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
5217 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
5218 u32 clkreg;
5219
5220 bp->flags |= PCIX_FLAG;
5221
5222 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
5223
5224 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
5225 switch (clkreg) {
5226 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
5227 bp->bus_speed_mhz = 133;
5228 break;
5229
5230 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
5231 bp->bus_speed_mhz = 100;
5232 break;
5233
5234 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
5235 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
5236 bp->bus_speed_mhz = 66;
5237 break;
5238
5239 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
5240 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
5241 bp->bus_speed_mhz = 50;
5242 break;
5243
5244 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
5245 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
5246 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
5247 bp->bus_speed_mhz = 33;
5248 break;
5249 }
5250 }
5251 else {
5252 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
5253 bp->bus_speed_mhz = 66;
5254 else
5255 bp->bus_speed_mhz = 33;
5256 }
5257
5258 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
5259 bp->flags |= PCI_32BIT_FLAG;
5260
5261 /* 5706A0 may falsely detect SERR and PERR. */
5262 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5263 reg = REG_RD(bp, PCI_COMMAND);
5264 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
5265 REG_WR(bp, PCI_COMMAND, reg);
5266 }
5267 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
5268 !(bp->flags & PCIX_FLAG)) {
5269
5270 printk(KERN_ERR PFX "5706 A1 can only be used in a PCIX bus, "
5271 "aborting.\n");
5272 goto err_out_unmap;
5273 }
5274
5275 bnx2_init_nvram(bp);
5276
5277 /* Get the permanent MAC address. First we need to make sure the
5278 * firmware is actually running.
5279 */
5280 reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DEV_INFO_SIGNATURE);
5281
5282 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
5283 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
5284 printk(KERN_ERR PFX "Firmware not running, aborting.\n");
5285 rc = -ENODEV;
5286 goto err_out_unmap;
5287 }
5288
5289 bp->fw_ver = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE +
5290 BNX2_DEV_INFO_BC_REV);
5291
5292 reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_PORT_HW_CFG_MAC_UPPER);
5293 bp->mac_addr[0] = (u8) (reg >> 8);
5294 bp->mac_addr[1] = (u8) reg;
5295
5296 reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_PORT_HW_CFG_MAC_LOWER);
5297 bp->mac_addr[2] = (u8) (reg >> 24);
5298 bp->mac_addr[3] = (u8) (reg >> 16);
5299 bp->mac_addr[4] = (u8) (reg >> 8);
5300 bp->mac_addr[5] = (u8) reg;
5301
5302 bp->tx_ring_size = MAX_TX_DESC_CNT;
5303 bp->rx_ring_size = 100;
5304
5305 bp->rx_csum = 1;
5306
5307 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
5308
5309 bp->tx_quick_cons_trip_int = 20;
5310 bp->tx_quick_cons_trip = 20;
5311 bp->tx_ticks_int = 80;
5312 bp->tx_ticks = 80;
5313
5314 bp->rx_quick_cons_trip_int = 6;
5315 bp->rx_quick_cons_trip = 6;
5316 bp->rx_ticks_int = 18;
5317 bp->rx_ticks = 18;
5318
5319 bp->stats_ticks = 1000000 & 0xffff00;
5320
5321 bp->timer_interval = HZ;
cd339a0e 5322 bp->current_interval = HZ;
b6016b76
MC		 5323
5324 /* Disable WOL support if we are running on a SERDES chip. */
5325 if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) {
5326 bp->phy_flags |= PHY_SERDES_FLAG;
5327 bp->flags |= NO_WOL_FLAG;
5328 }
5329
5330 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5331 bp->tx_quick_cons_trip_int =
5332 bp->tx_quick_cons_trip;
5333 bp->tx_ticks_int = bp->tx_ticks;
5334 bp->rx_quick_cons_trip_int =
5335 bp->rx_quick_cons_trip;
5336 bp->rx_ticks_int = bp->rx_ticks;
5337 bp->comp_prod_trip_int = bp->comp_prod_trip;
5338 bp->com_ticks_int = bp->com_ticks;
5339 bp->cmd_ticks_int = bp->cmd_ticks;
5340 }
5341
5342 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
5343 bp->req_line_speed = 0;
5344 if (bp->phy_flags & PHY_SERDES_FLAG) {
5345 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
cd339a0e
MC		 5346
5347 reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE +
5348 BNX2_PORT_HW_CFG_CONFIG);
5349 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
5350 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
5351 bp->autoneg = 0;
5352 bp->req_line_speed = bp->line_speed = SPEED_1000;
5353 bp->req_duplex = DUPLEX_FULL;
5354 }
b6016b76
MC		 5355 }
5356 else {
5357 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
5358 }
5359
5360 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
5361
cd339a0e
MC		 5362 init_timer(&bp->timer);
5363 bp->timer.expires = RUN_AT(bp->timer_interval);
5364 bp->timer.data = (unsigned long) bp;
5365 bp->timer.function = bnx2_timer;
5366
b6016b76
MC		 5367 return 0;
5368
5369err_out_unmap:
5370 if (bp->regview) {
5371 iounmap(bp->regview);
5372 }
5373
5374err_out_release:
5375 pci_release_regions(pdev);
5376
5377err_out_disable:
5378 pci_disable_device(pdev);
5379 pci_set_drvdata(pdev, NULL);
5380
5381err_out:
5382 return rc;
5383}
5384
5385static int __devinit
5386bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
5387{
5388 static int version_printed = 0;
5389 struct net_device *dev = NULL;
5390 struct bnx2 *bp;
5391 int rc, i;
5392
5393 if (version_printed++ == 0)
5394 printk(KERN_INFO "%s", version);
5395
5396 /* dev zeroed in init_etherdev */
5397 dev = alloc_etherdev(sizeof(*bp));
5398
5399 if (!dev)
5400 return -ENOMEM;
5401
5402 rc = bnx2_init_board(pdev, dev);
5403 if (rc < 0) {
5404 free_netdev(dev);
5405 return rc;
5406 }
5407
5408 dev->open = bnx2_open;
5409 dev->hard_start_xmit = bnx2_start_xmit;
5410 dev->stop = bnx2_close;
5411 dev->get_stats = bnx2_get_stats;
5412 dev->set_multicast_list = bnx2_set_rx_mode;
5413 dev->do_ioctl = bnx2_ioctl;
5414 dev->set_mac_address = bnx2_change_mac_addr;
5415 dev->change_mtu = bnx2_change_mtu;
5416 dev->tx_timeout = bnx2_tx_timeout;
5417 dev->watchdog_timeo = TX_TIMEOUT;
5418#ifdef BCM_VLAN
5419 dev->vlan_rx_register = bnx2_vlan_rx_register;
5420 dev->vlan_rx_kill_vid = bnx2_vlan_rx_kill_vid;
5421#endif
5422 dev->poll = bnx2_poll;
5423 dev->ethtool_ops = &bnx2_ethtool_ops;
5424 dev->weight = 64;
5425
5426 bp = dev->priv;
5427
5428#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5429 dev->poll_controller = poll_bnx2;
5430#endif
5431
5432 if ((rc = register_netdev(dev))) {
5433 printk(KERN_ERR PFX "Cannot register net device\n");
5434 if (bp->regview)
5435 iounmap(bp->regview);
5436 pci_release_regions(pdev);
5437 pci_disable_device(pdev);
5438 pci_set_drvdata(pdev, NULL);
5439 free_netdev(dev);
5440 return rc;
5441 }
5442
5443 pci_set_drvdata(pdev, dev);
5444
5445 memcpy(dev->dev_addr, bp->mac_addr, 6);
5446 bp->name = board_info[ent->driver_data].name,
5447 printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz found at mem %lx, "
5448 "IRQ %d, ",
5449 dev->name,
5450 bp->name,
5451 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
5452 ((CHIP_ID(bp) & 0x0ff0) >> 4),
5453 ((bp->flags & PCIX_FLAG) ? "-X" : ""),
5454 ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
5455 bp->bus_speed_mhz,
5456 dev->base_addr,
5457 bp->pdev->irq);
5458
5459 printk("node addr ");
5460 for (i = 0; i < 6; i++)
5461 printk("%2.2x", dev->dev_addr[i]);
5462 printk("\n");
5463
5464 dev->features |= NETIF_F_SG;
5465 if (bp->flags & USING_DAC_FLAG)
5466 dev->features |= NETIF_F_HIGHDMA;
5467 dev->features |= NETIF_F_IP_CSUM;
5468#ifdef BCM_VLAN
5469 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
5470#endif
5471#ifdef BCM_TSO
5472 dev->features |= NETIF_F_TSO;
5473#endif
5474
5475 netif_carrier_off(bp->dev);
5476
5477 return 0;
5478}
5479
5480static void __devexit
5481bnx2_remove_one(struct pci_dev *pdev)
5482{
5483 struct net_device *dev = pci_get_drvdata(pdev);
5484 struct bnx2 *bp = dev->priv;
5485
afdc08b9
MC		 5486 flush_scheduled_work();
5487
b6016b76
MC		 5488 unregister_netdev(dev);
5489
5490 if (bp->regview)
5491 iounmap(bp->regview);
5492
5493 free_netdev(dev);
5494 pci_release_regions(pdev);
5495 pci_disable_device(pdev);
5496 pci_set_drvdata(pdev, NULL);
5497}
5498
5499static int
5500bnx2_suspend(struct pci_dev *pdev, u32 state)
5501{
5502 struct net_device *dev = pci_get_drvdata(pdev);
5503 struct bnx2 *bp = dev->priv;
5504 u32 reset_code;
5505
5506 if (!netif_running(dev))
5507 return 0;
5508
5509 bnx2_netif_stop(bp);
5510 netif_device_detach(dev);
5511 del_timer_sync(&bp->timer);
5512 if (bp->wol)
5513 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5514 else
5515 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5516 bnx2_reset_chip(bp, reset_code);
5517 bnx2_free_skbs(bp);
5518 bnx2_set_power_state(bp, state);
5519 return 0;
5520}
5521
5522static int
5523bnx2_resume(struct pci_dev *pdev)
5524{
5525 struct net_device *dev = pci_get_drvdata(pdev);
5526 struct bnx2 *bp = dev->priv;
5527
5528 if (!netif_running(dev))
5529 return 0;
5530
5531 bnx2_set_power_state(bp, 0);
5532 netif_device_attach(dev);
5533 bnx2_init_nic(bp);
5534 bnx2_netif_start(bp);
5535 return 0;
5536}
5537
5538static struct pci_driver bnx2_pci_driver = {
14ab9b86
PH		 5539 .name = DRV_MODULE_NAME,
5540 .id_table = bnx2_pci_tbl,
5541 .probe = bnx2_init_one,
5542 .remove = __devexit_p(bnx2_remove_one),
5543 .suspend = bnx2_suspend,
5544 .resume = bnx2_resume,
b6016b76
MC		 5545};
5546
5547static int __init bnx2_init(void)
5548{
5549 return pci_module_init(&bnx2_pci_driver);
5550}
5551
5552static void __exit bnx2_cleanup(void)
5553{
5554 pci_unregister_driver(&bnx2_pci_driver);
5555}
5556
5557module_init(bnx2_init);
5558module_exit(bnx2_cleanup);
5559
5560
5561
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