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gerrit-public.fairphone.software / kernel / msm-4.9 / 2373ce1ca04dd46bf2b8b0f9a799eb2a90da92fb / . / drivers / net / bnx2.c
blob: 3a9d6a8b90a20a887b32f1e3befae76a183417ea [file] [log] [blame]
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]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" },
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]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
110static u32
111bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
112{
113 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
114 return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
115}
116
117static void
118bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
119{
120 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
121 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
122}
123
124static void
125bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
126{
127 offset += cid_addr;
128 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
129 REG_WR(bp, BNX2_CTX_DATA, val);
130}
131
132static int
133bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
134{
135 u32 val1;
136 int i, ret;
137
138 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
139 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
140 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
141
142 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
143 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
144
145 udelay(40);
146 }
147
148 val1 = (bp->phy_addr << 21) | (reg << 16) |
149 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
150 BNX2_EMAC_MDIO_COMM_START_BUSY;
151 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
152
153 for (i = 0; i < 50; i++) {
154 udelay(10);
155
156 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
157 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
158 udelay(5);
159
160 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
161 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
162
163 break;
164 }
165 }
166
167 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
168 *val = 0x0;
169 ret = -EBUSY;
170 }
171 else {
172 *val = val1;
173 ret = 0;
174 }
175
176 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
177 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
178 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
179
180 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
181 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
182
183 udelay(40);
184 }
185
186 return ret;
187}
188
189static int
190bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
191{
192 u32 val1;
193 int i, ret;
194
195 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
196 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
197 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
198
199 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
200 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
201
202 udelay(40);
203 }
204
205 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
206 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
207 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
208 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
209
210 for (i = 0; i < 50; i++) {
211 udelay(10);
212
213 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
214 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
215 udelay(5);
216 break;
217 }
218 }
219
220 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
221 ret = -EBUSY;
222 else
223 ret = 0;
224
225 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
226 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
227 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
228
229 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
230 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
231
232 udelay(40);
233 }
234
235 return ret;
236}
237
238static void
239bnx2_disable_int(struct bnx2 *bp)
240{
241 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
242 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
243 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
244}
245
246static void
247bnx2_enable_int(struct bnx2 *bp)
248{
249 u32 val;
250
251 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
252 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
253
254 val = REG_RD(bp, BNX2_HC_COMMAND);
255 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
256}
257
258static void
259bnx2_disable_int_sync(struct bnx2 *bp)
260{
261 atomic_inc(&bp->intr_sem);
262 bnx2_disable_int(bp);
263 synchronize_irq(bp->pdev->irq);
264}
265
266static void
267bnx2_netif_stop(struct bnx2 *bp)
268{
269 bnx2_disable_int_sync(bp);
270 if (netif_running(bp->dev)) {
271 netif_poll_disable(bp->dev);
272 netif_tx_disable(bp->dev);
273 bp->dev->trans_start = jiffies; /* prevent tx timeout */
274 }
275}
276
277static void
278bnx2_netif_start(struct bnx2 *bp)
279{
280 if (atomic_dec_and_test(&bp->intr_sem)) {
281 if (netif_running(bp->dev)) {
282 netif_wake_queue(bp->dev);
283 netif_poll_enable(bp->dev);
284 bnx2_enable_int(bp);
285 }
286 }
287}
288
289static void
290bnx2_free_mem(struct bnx2 *bp)
291{
292 if (bp->stats_blk) {
293 pci_free_consistent(bp->pdev, sizeof(struct statistics_block),
294 bp->stats_blk, bp->stats_blk_mapping);
295 bp->stats_blk = NULL;
296 }
297 if (bp->status_blk) {
298 pci_free_consistent(bp->pdev, sizeof(struct status_block),
299 bp->status_blk, bp->status_blk_mapping);
300 bp->status_blk = NULL;
301 }
302 if (bp->tx_desc_ring) {
303 pci_free_consistent(bp->pdev,
304 sizeof(struct tx_bd) * TX_DESC_CNT,
305 bp->tx_desc_ring, bp->tx_desc_mapping);
306 bp->tx_desc_ring = NULL;
307 }
308 if (bp->tx_buf_ring) {
309 kfree(bp->tx_buf_ring);
310 bp->tx_buf_ring = NULL;
311 }
312 if (bp->rx_desc_ring) {
313 pci_free_consistent(bp->pdev,
314 sizeof(struct rx_bd) * RX_DESC_CNT,
315 bp->rx_desc_ring, bp->rx_desc_mapping);
316 bp->rx_desc_ring = NULL;
317 }
318 if (bp->rx_buf_ring) {
319 kfree(bp->rx_buf_ring);
320 bp->rx_buf_ring = NULL;
321 }
322}
323
324static int
325bnx2_alloc_mem(struct bnx2 *bp)
326{
327 bp->tx_buf_ring = kmalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
328 GFP_KERNEL);
329 if (bp->tx_buf_ring == NULL)
330 return -ENOMEM;
331
332 memset(bp->tx_buf_ring, 0, sizeof(struct sw_bd) * TX_DESC_CNT);
333 bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
334 sizeof(struct tx_bd) *
335 TX_DESC_CNT,
336 &bp->tx_desc_mapping);
337 if (bp->tx_desc_ring == NULL)
338 goto alloc_mem_err;
339
340 bp->rx_buf_ring = kmalloc(sizeof(struct sw_bd) * RX_DESC_CNT,
341 GFP_KERNEL);
342 if (bp->rx_buf_ring == NULL)
343 goto alloc_mem_err;
344
345 memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT);
346 bp->rx_desc_ring = pci_alloc_consistent(bp->pdev,
347 sizeof(struct rx_bd) *
348 RX_DESC_CNT,
349 &bp->rx_desc_mapping);
350 if (bp->rx_desc_ring == NULL)
351 goto alloc_mem_err;
352
353 bp->status_blk = pci_alloc_consistent(bp->pdev,
354 sizeof(struct status_block),
355 &bp->status_blk_mapping);
356 if (bp->status_blk == NULL)
357 goto alloc_mem_err;
358
359 memset(bp->status_blk, 0, sizeof(struct status_block));
360
361 bp->stats_blk = pci_alloc_consistent(bp->pdev,
362 sizeof(struct statistics_block),
363 &bp->stats_blk_mapping);
364 if (bp->stats_blk == NULL)
365 goto alloc_mem_err;
366
367 memset(bp->stats_blk, 0, sizeof(struct statistics_block));
368
369 return 0;
370
371alloc_mem_err:
372 bnx2_free_mem(bp);
373 return -ENOMEM;
374}
375
376static void
377bnx2_report_link(struct bnx2 *bp)
378{
379 if (bp->link_up) {
380 netif_carrier_on(bp->dev);
381 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
382
383 printk("%d Mbps ", bp->line_speed);
384
385 if (bp->duplex == DUPLEX_FULL)
386 printk("full duplex");
387 else
388 printk("half duplex");
389
390 if (bp->flow_ctrl) {
391 if (bp->flow_ctrl & FLOW_CTRL_RX) {
392 printk(", receive ");
393 if (bp->flow_ctrl & FLOW_CTRL_TX)
394 printk("& transmit ");
395 }
396 else {
397 printk(", transmit ");
398 }
399 printk("flow control ON");
400 }
401 printk("\n");
402 }
403 else {
404 netif_carrier_off(bp->dev);
405 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
406 }
407}
408
409static void
410bnx2_resolve_flow_ctrl(struct bnx2 *bp)
411{
412 u32 local_adv, remote_adv;
413
414 bp->flow_ctrl = 0;
415 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
416 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
417
418 if (bp->duplex == DUPLEX_FULL) {
419 bp->flow_ctrl = bp->req_flow_ctrl;
420 }
421 return;
422 }
423
424 if (bp->duplex != DUPLEX_FULL) {
425 return;
426 }
427
428 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
429 bnx2_read_phy(bp, MII_LPA, &remote_adv);
430
431 if (bp->phy_flags & PHY_SERDES_FLAG) {
432 u32 new_local_adv = 0;
433 u32 new_remote_adv = 0;
434
435 if (local_adv & ADVERTISE_1000XPAUSE)
436 new_local_adv |= ADVERTISE_PAUSE_CAP;
437 if (local_adv & ADVERTISE_1000XPSE_ASYM)
438 new_local_adv |= ADVERTISE_PAUSE_ASYM;
439 if (remote_adv & ADVERTISE_1000XPAUSE)
440 new_remote_adv |= ADVERTISE_PAUSE_CAP;
441 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
442 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
443
444 local_adv = new_local_adv;
445 remote_adv = new_remote_adv;
446 }
447
448 /* See Table 28B-3 of 802.3ab-1999 spec. */
449 if (local_adv & ADVERTISE_PAUSE_CAP) {
450 if(local_adv & ADVERTISE_PAUSE_ASYM) {
451 if (remote_adv & ADVERTISE_PAUSE_CAP) {
452 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
453 }
454 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
455 bp->flow_ctrl = FLOW_CTRL_RX;
456 }
457 }
458 else {
459 if (remote_adv & ADVERTISE_PAUSE_CAP) {
460 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
461 }
462 }
463 }
464 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
465 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
466 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
467
468 bp->flow_ctrl = FLOW_CTRL_TX;
469 }
470 }
471}
472
473static int
474bnx2_serdes_linkup(struct bnx2 *bp)
475{
476 u32 bmcr, local_adv, remote_adv, common;
477
478 bp->link_up = 1;
479 bp->line_speed = SPEED_1000;
480
481 bnx2_read_phy(bp, MII_BMCR, &bmcr);
482 if (bmcr & BMCR_FULLDPLX) {
483 bp->duplex = DUPLEX_FULL;
484 }
485 else {
486 bp->duplex = DUPLEX_HALF;
487 }
488
489 if (!(bmcr & BMCR_ANENABLE)) {
490 return 0;
491 }
492
493 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
494 bnx2_read_phy(bp, MII_LPA, &remote_adv);
495
496 common = local_adv & remote_adv;
497 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
498
499 if (common & ADVERTISE_1000XFULL) {
500 bp->duplex = DUPLEX_FULL;
501 }
502 else {
503 bp->duplex = DUPLEX_HALF;
504 }
505 }
506
507 return 0;
508}
509
510static int
511bnx2_copper_linkup(struct bnx2 *bp)
512{
513 u32 bmcr;
514
515 bnx2_read_phy(bp, MII_BMCR, &bmcr);
516 if (bmcr & BMCR_ANENABLE) {
517 u32 local_adv, remote_adv, common;
518
519 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
520 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
521
522 common = local_adv & (remote_adv >> 2);
523 if (common & ADVERTISE_1000FULL) {
524 bp->line_speed = SPEED_1000;
525 bp->duplex = DUPLEX_FULL;
526 }
527 else if (common & ADVERTISE_1000HALF) {
528 bp->line_speed = SPEED_1000;
529 bp->duplex = DUPLEX_HALF;
530 }
531 else {
532 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
533 bnx2_read_phy(bp, MII_LPA, &remote_adv);
534
535 common = local_adv & remote_adv;
536 if (common & ADVERTISE_100FULL) {
537 bp->line_speed = SPEED_100;
538 bp->duplex = DUPLEX_FULL;
539 }
540 else if (common & ADVERTISE_100HALF) {
541 bp->line_speed = SPEED_100;
542 bp->duplex = DUPLEX_HALF;
543 }
544 else if (common & ADVERTISE_10FULL) {
545 bp->line_speed = SPEED_10;
546 bp->duplex = DUPLEX_FULL;
547 }
548 else if (common & ADVERTISE_10HALF) {
549 bp->line_speed = SPEED_10;
550 bp->duplex = DUPLEX_HALF;
551 }
552 else {
553 bp->line_speed = 0;
554 bp->link_up = 0;
555 }
556 }
557 }
558 else {
559 if (bmcr & BMCR_SPEED100) {
560 bp->line_speed = SPEED_100;
561 }
562 else {
563 bp->line_speed = SPEED_10;
564 }
565 if (bmcr & BMCR_FULLDPLX) {
566 bp->duplex = DUPLEX_FULL;
567 }
568 else {
569 bp->duplex = DUPLEX_HALF;
570 }
571 }
572
573 return 0;
574}
575
576static int
577bnx2_set_mac_link(struct bnx2 *bp)
578{
579 u32 val;
580
581 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
582 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
583 (bp->duplex == DUPLEX_HALF)) {
584 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
585 }
586
587 /* Configure the EMAC mode register. */
588 val = REG_RD(bp, BNX2_EMAC_MODE);
589
590 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
591 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK);
592
593 if (bp->link_up) {
594 if (bp->line_speed != SPEED_1000)
595 val |= BNX2_EMAC_MODE_PORT_MII;
596 else
597 val |= BNX2_EMAC_MODE_PORT_GMII;
598 }
599 else {
600 val |= BNX2_EMAC_MODE_PORT_GMII;
601 }
602
603 /* Set the MAC to operate in the appropriate duplex mode. */
604 if (bp->duplex == DUPLEX_HALF)
605 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
606 REG_WR(bp, BNX2_EMAC_MODE, val);
607
608 /* Enable/disable rx PAUSE. */
609 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
610
611 if (bp->flow_ctrl & FLOW_CTRL_RX)
612 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
613 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
614
615 /* Enable/disable tx PAUSE. */
616 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
617 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
618
619 if (bp->flow_ctrl & FLOW_CTRL_TX)
620 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
621 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
622
623 /* Acknowledge the interrupt. */
624 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
625
626 return 0;
627}
628
629static int
630bnx2_set_link(struct bnx2 *bp)
631{
632 u32 bmsr;
633 u8 link_up;
634
635 if (bp->loopback == MAC_LOOPBACK) {
636 bp->link_up = 1;
637 return 0;
638 }
639
640 link_up = bp->link_up;
641
642 bnx2_read_phy(bp, MII_BMSR, &bmsr);
643 bnx2_read_phy(bp, MII_BMSR, &bmsr);
644
645 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
646 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
647 u32 val;
648
649 val = REG_RD(bp, BNX2_EMAC_STATUS);
650 if (val & BNX2_EMAC_STATUS_LINK)
651 bmsr |= BMSR_LSTATUS;
652 else
653 bmsr &= ~BMSR_LSTATUS;
654 }
655
656 if (bmsr & BMSR_LSTATUS) {
657 bp->link_up = 1;
658
659 if (bp->phy_flags & PHY_SERDES_FLAG) {
660 bnx2_serdes_linkup(bp);
661 }
662 else {
663 bnx2_copper_linkup(bp);
664 }
665 bnx2_resolve_flow_ctrl(bp);
666 }
667 else {
668 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
669 (bp->autoneg & AUTONEG_SPEED)) {
670
671 u32 bmcr;
672
673 bnx2_read_phy(bp, MII_BMCR, &bmcr);
674 if (!(bmcr & BMCR_ANENABLE)) {
675 bnx2_write_phy(bp, MII_BMCR, bmcr |
676 BMCR_ANENABLE);
677 }
678 }
679 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
680 bp->link_up = 0;
681 }
682
683 if (bp->link_up != link_up) {
684 bnx2_report_link(bp);
685 }
686
687 bnx2_set_mac_link(bp);
688
689 return 0;
690}
691
692static int
693bnx2_reset_phy(struct bnx2 *bp)
694{
695 int i;
696 u32 reg;
697
698 bnx2_write_phy(bp, MII_BMCR, BMCR_RESET);
699
700#define PHY_RESET_MAX_WAIT 100
701 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
702 udelay(10);
703
704 bnx2_read_phy(bp, MII_BMCR, &reg);
705 if (!(reg & BMCR_RESET)) {
706 udelay(20);
707 break;
708 }
709 }
710 if (i == PHY_RESET_MAX_WAIT) {
711 return -EBUSY;
712 }
713 return 0;
714}
715
716static u32
717bnx2_phy_get_pause_adv(struct bnx2 *bp)
718{
719 u32 adv = 0;
720
721 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
722 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
723
724 if (bp->phy_flags & PHY_SERDES_FLAG) {
725 adv = ADVERTISE_1000XPAUSE;
726 }
727 else {
728 adv = ADVERTISE_PAUSE_CAP;
729 }
730 }
731 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
732 if (bp->phy_flags & PHY_SERDES_FLAG) {
733 adv = ADVERTISE_1000XPSE_ASYM;
734 }
735 else {
736 adv = ADVERTISE_PAUSE_ASYM;
737 }
738 }
739 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
740 if (bp->phy_flags & PHY_SERDES_FLAG) {
741 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
742 }
743 else {
744 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
745 }
746 }
747 return adv;
748}
749
750static int
751bnx2_setup_serdes_phy(struct bnx2 *bp)
752{
753 u32 adv, bmcr;
754 u32 new_adv = 0;
755
756 if (!(bp->autoneg & AUTONEG_SPEED)) {
757 u32 new_bmcr;
758
759 bnx2_read_phy(bp, MII_BMCR, &bmcr);
760 new_bmcr = bmcr & ~BMCR_ANENABLE;
761 new_bmcr |= BMCR_SPEED1000;
762 if (bp->req_duplex == DUPLEX_FULL) {
763 new_bmcr |= BMCR_FULLDPLX;
764 }
765 else {
766 new_bmcr &= ~BMCR_FULLDPLX;
767 }
768 if (new_bmcr != bmcr) {
769 /* Force a link down visible on the other side */
770 if (bp->link_up) {
771 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
772 adv &= ~(ADVERTISE_1000XFULL |
773 ADVERTISE_1000XHALF);
774 bnx2_write_phy(bp, MII_ADVERTISE, adv);
775 bnx2_write_phy(bp, MII_BMCR, bmcr |
776 BMCR_ANRESTART | BMCR_ANENABLE);
777
778 bp->link_up = 0;
779 netif_carrier_off(bp->dev);
780 }
781 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
782 }
783 return 0;
784 }
785
786 if (bp->advertising & ADVERTISED_1000baseT_Full)
787 new_adv |= ADVERTISE_1000XFULL;
788
789 new_adv |= bnx2_phy_get_pause_adv(bp);
790
791 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
792 bnx2_read_phy(bp, MII_BMCR, &bmcr);
793
794 bp->serdes_an_pending = 0;
795 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
796 /* Force a link down visible on the other side */
797 if (bp->link_up) {
798 int i;
799
800 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
801 for (i = 0; i < 110; i++) {
802 udelay(100);
803 }
804 }
805
806 bnx2_write_phy(bp, MII_ADVERTISE, new_adv);
807 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART |
808 BMCR_ANENABLE);
809 bp->serdes_an_pending = SERDES_AN_TIMEOUT / bp->timer_interval;
810 }
811
812 return 0;
813}
814
815#define ETHTOOL_ALL_FIBRE_SPEED \
816 (ADVERTISED_1000baseT_Full)
817
818#define ETHTOOL_ALL_COPPER_SPEED \
819 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
820 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
821 ADVERTISED_1000baseT_Full)
822
823#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
824 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
825
826#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
827
828static int
829bnx2_setup_copper_phy(struct bnx2 *bp)
830{
831 u32 bmcr;
832 u32 new_bmcr;
833
834 bnx2_read_phy(bp, MII_BMCR, &bmcr);
835
836 if (bp->autoneg & AUTONEG_SPEED) {
837 u32 adv_reg, adv1000_reg;
838 u32 new_adv_reg = 0;
839 u32 new_adv1000_reg = 0;
840
841 bnx2_read_phy(bp, MII_ADVERTISE, &adv_reg);
842 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
843 ADVERTISE_PAUSE_ASYM);
844
845 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
846 adv1000_reg &= PHY_ALL_1000_SPEED;
847
848 if (bp->advertising & ADVERTISED_10baseT_Half)
849 new_adv_reg |= ADVERTISE_10HALF;
850 if (bp->advertising & ADVERTISED_10baseT_Full)
851 new_adv_reg |= ADVERTISE_10FULL;
852 if (bp->advertising & ADVERTISED_100baseT_Half)
853 new_adv_reg |= ADVERTISE_100HALF;
854 if (bp->advertising & ADVERTISED_100baseT_Full)
855 new_adv_reg |= ADVERTISE_100FULL;
856 if (bp->advertising & ADVERTISED_1000baseT_Full)
857 new_adv1000_reg |= ADVERTISE_1000FULL;
858
859 new_adv_reg |= ADVERTISE_CSMA;
860
861 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
862
863 if ((adv1000_reg != new_adv1000_reg) ||
864 (adv_reg != new_adv_reg) ||
865 ((bmcr & BMCR_ANENABLE) == 0)) {
866
867 bnx2_write_phy(bp, MII_ADVERTISE, new_adv_reg);
868 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
869 bnx2_write_phy(bp, MII_BMCR, BMCR_ANRESTART |
870 BMCR_ANENABLE);
871 }
872 else if (bp->link_up) {
873 /* Flow ctrl may have changed from auto to forced */
874 /* or vice-versa. */
875
876 bnx2_resolve_flow_ctrl(bp);
877 bnx2_set_mac_link(bp);
878 }
879 return 0;
880 }
881
882 new_bmcr = 0;
883 if (bp->req_line_speed == SPEED_100) {
884 new_bmcr |= BMCR_SPEED100;
885 }
886 if (bp->req_duplex == DUPLEX_FULL) {
887 new_bmcr |= BMCR_FULLDPLX;
888 }
889 if (new_bmcr != bmcr) {
890 u32 bmsr;
891 int i = 0;
892
893 bnx2_read_phy(bp, MII_BMSR, &bmsr);
894 bnx2_read_phy(bp, MII_BMSR, &bmsr);
895
896 if (bmsr & BMSR_LSTATUS) {
897 /* Force link down */
898 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
899 do {
900 udelay(100);
901 bnx2_read_phy(bp, MII_BMSR, &bmsr);
902 bnx2_read_phy(bp, MII_BMSR, &bmsr);
903 i++;
904 } while ((bmsr & BMSR_LSTATUS) && (i < 620));
905 }
906
907 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
908
909 /* Normally, the new speed is setup after the link has
910 * gone down and up again. In some cases, link will not go
911 * down so we need to set up the new speed here.
912 */
913 if (bmsr & BMSR_LSTATUS) {
914 bp->line_speed = bp->req_line_speed;
915 bp->duplex = bp->req_duplex;
916 bnx2_resolve_flow_ctrl(bp);
917 bnx2_set_mac_link(bp);
918 }
919 }
920 return 0;
921}
922
923static int
924bnx2_setup_phy(struct bnx2 *bp)
925{
926 if (bp->loopback == MAC_LOOPBACK)
927 return 0;
928
929 if (bp->phy_flags & PHY_SERDES_FLAG) {
930 return (bnx2_setup_serdes_phy(bp));
931 }
932 else {
933 return (bnx2_setup_copper_phy(bp));
934 }
935}
936
937static int
938bnx2_init_serdes_phy(struct bnx2 *bp)
939{
940 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
941
942 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
943 REG_WR(bp, BNX2_MISC_UNUSED0, 0x300);
944 }
945
946 if (bp->dev->mtu > 1500) {
947 u32 val;
948
949 /* Set extended packet length bit */
950 bnx2_write_phy(bp, 0x18, 0x7);
951 bnx2_read_phy(bp, 0x18, &val);
952 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
953
954 bnx2_write_phy(bp, 0x1c, 0x6c00);
955 bnx2_read_phy(bp, 0x1c, &val);
956 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
957 }
958 else {
959 u32 val;
960
961 bnx2_write_phy(bp, 0x18, 0x7);
962 bnx2_read_phy(bp, 0x18, &val);
963 bnx2_write_phy(bp, 0x18, val & ~0x4007);
964
965 bnx2_write_phy(bp, 0x1c, 0x6c00);
966 bnx2_read_phy(bp, 0x1c, &val);
967 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
968 }
969
970 return 0;
971}
972
973static int
974bnx2_init_copper_phy(struct bnx2 *bp)
975{
976 bp->phy_flags |= PHY_CRC_FIX_FLAG;
977
978 if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
979 bnx2_write_phy(bp, 0x18, 0x0c00);
980 bnx2_write_phy(bp, 0x17, 0x000a);
981 bnx2_write_phy(bp, 0x15, 0x310b);
982 bnx2_write_phy(bp, 0x17, 0x201f);
983 bnx2_write_phy(bp, 0x15, 0x9506);
984 bnx2_write_phy(bp, 0x17, 0x401f);
985 bnx2_write_phy(bp, 0x15, 0x14e2);
986 bnx2_write_phy(bp, 0x18, 0x0400);
987 }
988
989 if (bp->dev->mtu > 1500) {
990 u32 val;
991
992 /* Set extended packet length bit */
993 bnx2_write_phy(bp, 0x18, 0x7);
994 bnx2_read_phy(bp, 0x18, &val);
995 bnx2_write_phy(bp, 0x18, val | 0x4000);
996
997 bnx2_read_phy(bp, 0x10, &val);
998 bnx2_write_phy(bp, 0x10, val | 0x1);
999 }
1000 else {
1001 u32 val;
1002
1003 bnx2_write_phy(bp, 0x18, 0x7);
1004 bnx2_read_phy(bp, 0x18, &val);
1005 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1006
1007 bnx2_read_phy(bp, 0x10, &val);
1008 bnx2_write_phy(bp, 0x10, val & ~0x1);
1009 }
1010
1011 return 0;
1012}
1013
1014
1015static int
1016bnx2_init_phy(struct bnx2 *bp)
1017{
1018 u32 val;
1019 int rc = 0;
1020
1021 bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
1022 bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
1023
1024 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
1025
1026 bnx2_reset_phy(bp);
1027
1028 bnx2_read_phy(bp, MII_PHYSID1, &val);
1029 bp->phy_id = val << 16;
1030 bnx2_read_phy(bp, MII_PHYSID2, &val);
1031 bp->phy_id |= val & 0xffff;
1032
1033 if (bp->phy_flags & PHY_SERDES_FLAG) {
1034 rc = bnx2_init_serdes_phy(bp);
1035 }
1036 else {
1037 rc = bnx2_init_copper_phy(bp);
1038 }
1039
1040 bnx2_setup_phy(bp);
1041
1042 return rc;
1043}
1044
1045static int
1046bnx2_set_mac_loopback(struct bnx2 *bp)
1047{
1048 u32 mac_mode;
1049
1050 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1051 mac_mode &= ~BNX2_EMAC_MODE_PORT;
1052 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
1053 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1054 bp->link_up = 1;
1055 return 0;
1056}
1057
1058static int
1059bnx2_fw_sync(struct bnx2 *bp, u32 msg_data)
1060{
1061 int i;
1062 u32 val;
1063
1064 if (bp->fw_timed_out)
1065 return -EBUSY;
1066
1067 bp->fw_wr_seq++;
1068 msg_data |= bp->fw_wr_seq;
1069
1070 REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_MB, msg_data);
1071
1072 /* wait for an acknowledgement. */
1073 for (i = 0; i < (FW_ACK_TIME_OUT_MS * 1000)/5; i++) {
1074 udelay(5);
1075
1076 val = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_FW_MB);
1077
1078 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
1079 break;
1080 }
1081
1082 /* If we timed out, inform the firmware that this is the case. */
1083 if (((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) &&
1084 ((msg_data & BNX2_DRV_MSG_DATA) != BNX2_DRV_MSG_DATA_WAIT0)) {
1085
1086 msg_data &= ~BNX2_DRV_MSG_CODE;
1087 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
1088
1089 REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_MB, msg_data);
1090
1091 bp->fw_timed_out = 1;
1092
1093 return -EBUSY;
1094 }
1095
1096 return 0;
1097}
1098
1099static void
1100bnx2_init_context(struct bnx2 *bp)
1101{
1102 u32 vcid;
1103
1104 vcid = 96;
1105 while (vcid) {
1106 u32 vcid_addr, pcid_addr, offset;
1107
1108 vcid--;
1109
1110 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
1111 u32 new_vcid;
1112
1113 vcid_addr = GET_PCID_ADDR(vcid);
1114 if (vcid & 0x8) {
1115 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
1116 }
1117 else {
1118 new_vcid = vcid;
1119 }
1120 pcid_addr = GET_PCID_ADDR(new_vcid);
1121 }
1122 else {
1123 vcid_addr = GET_CID_ADDR(vcid);
1124 pcid_addr = vcid_addr;
1125 }
1126
1127 REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
1128 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1129
1130 /* Zero out the context. */
1131 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) {
1132 CTX_WR(bp, 0x00, offset, 0);
1133 }
1134
1135 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
1136 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1137 }
1138}
1139
1140static int
1141bnx2_alloc_bad_rbuf(struct bnx2 *bp)
1142{
1143 u16 *good_mbuf;
1144 u32 good_mbuf_cnt;
1145 u32 val;
1146
1147 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
1148 if (good_mbuf == NULL) {
1149 printk(KERN_ERR PFX "Failed to allocate memory in "
1150 "bnx2_alloc_bad_rbuf\n");
1151 return -ENOMEM;
1152 }
1153
1154 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
1155 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
1156
1157 good_mbuf_cnt = 0;
1158
1159 /* Allocate a bunch of mbufs and save the good ones in an array. */
1160 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1161 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
1162 REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
1163
1164 val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
1165
1166 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
1167
1168 /* The addresses with Bit 9 set are bad memory blocks. */
1169 if (!(val & (1 << 9))) {
1170 good_mbuf[good_mbuf_cnt] = (u16) val;
1171 good_mbuf_cnt++;
1172 }
1173
1174 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1175 }
1176
1177 /* Free the good ones back to the mbuf pool thus discarding
1178 * all the bad ones. */
1179 while (good_mbuf_cnt) {
1180 good_mbuf_cnt--;
1181
1182 val = good_mbuf[good_mbuf_cnt];
1183 val = (val << 9) | val | 1;
1184
1185 REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
1186 }
1187 kfree(good_mbuf);
1188 return 0;
1189}
1190
1191static void
1192bnx2_set_mac_addr(struct bnx2 *bp)
1193{
1194 u32 val;
1195 u8 *mac_addr = bp->dev->dev_addr;
1196
1197 val = (mac_addr[0] << 8) | mac_addr[1];
1198
1199 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
1200
1201 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
1202 (mac_addr[4] << 8) | mac_addr[5];
1203
1204 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
1205}
1206
1207static inline int
1208bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
1209{
1210 struct sk_buff *skb;
1211 struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
1212 dma_addr_t mapping;
1213 struct rx_bd *rxbd = &bp->rx_desc_ring[index];
1214 unsigned long align;
1215
1216 skb = dev_alloc_skb(bp->rx_buf_size);
1217 if (skb == NULL) {
1218 return -ENOMEM;
1219 }
1220
1221 if (unlikely((align = (unsigned long) skb->data & 0x7))) {
1222 skb_reserve(skb, 8 - align);
1223 }
1224
1225 skb->dev = bp->dev;
1226 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1227 PCI_DMA_FROMDEVICE);
1228
1229 rx_buf->skb = skb;
1230 pci_unmap_addr_set(rx_buf, mapping, mapping);
1231
1232 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
1233 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
1234
1235 bp->rx_prod_bseq += bp->rx_buf_use_size;
1236
1237 return 0;
1238}
1239
1240static void
1241bnx2_phy_int(struct bnx2 *bp)
1242{
1243 u32 new_link_state, old_link_state;
1244
1245 new_link_state = bp->status_blk->status_attn_bits &
1246 STATUS_ATTN_BITS_LINK_STATE;
1247 old_link_state = bp->status_blk->status_attn_bits_ack &
1248 STATUS_ATTN_BITS_LINK_STATE;
1249 if (new_link_state != old_link_state) {
1250 if (new_link_state) {
1251 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD,
1252 STATUS_ATTN_BITS_LINK_STATE);
1253 }
1254 else {
1255 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD,
1256 STATUS_ATTN_BITS_LINK_STATE);
1257 }
1258 bnx2_set_link(bp);
1259 }
1260}
1261
1262static void
1263bnx2_tx_int(struct bnx2 *bp)
1264{
1265 u16 hw_cons, sw_cons, sw_ring_cons;
1266 int tx_free_bd = 0;
1267
1268 hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
1269 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1270 hw_cons++;
1271 }
1272 sw_cons = bp->tx_cons;
1273
1274 while (sw_cons != hw_cons) {
1275 struct sw_bd *tx_buf;
1276 struct sk_buff *skb;
1277 int i, last;
1278
1279 sw_ring_cons = TX_RING_IDX(sw_cons);
1280
1281 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
1282 skb = tx_buf->skb;
1283#ifdef BCM_TSO
1284 /* partial BD completions possible with TSO packets */
1285 if (skb_shinfo(skb)->tso_size) {
1286 u16 last_idx, last_ring_idx;
1287
1288 last_idx = sw_cons +
1289 skb_shinfo(skb)->nr_frags + 1;
1290 last_ring_idx = sw_ring_cons +
1291 skb_shinfo(skb)->nr_frags + 1;
1292 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
1293 last_idx++;
1294 }
1295 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
1296 break;
1297 }
1298 }
1299#endif
1300 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
1301 skb_headlen(skb), PCI_DMA_TODEVICE);
1302
1303 tx_buf->skb = NULL;
1304 last = skb_shinfo(skb)->nr_frags;
1305
1306 for (i = 0; i < last; i++) {
1307 sw_cons = NEXT_TX_BD(sw_cons);
1308
1309 pci_unmap_page(bp->pdev,
1310 pci_unmap_addr(
1311 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
1312 mapping),
1313 skb_shinfo(skb)->frags[i].size,
1314 PCI_DMA_TODEVICE);
1315 }
1316
1317 sw_cons = NEXT_TX_BD(sw_cons);
1318
1319 tx_free_bd += last + 1;
1320
1321 dev_kfree_skb_irq(skb);
1322
1323 hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
1324 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1325 hw_cons++;
1326 }
1327 }
1328
1329 atomic_add(tx_free_bd, &bp->tx_avail_bd);
1330
1331 if (unlikely(netif_queue_stopped(bp->dev))) {
1332 unsigned long flags;
1333
1334 spin_lock_irqsave(&bp->tx_lock, flags);
1335 if ((netif_queue_stopped(bp->dev)) &&
1336 (atomic_read(&bp->tx_avail_bd) > MAX_SKB_FRAGS)) {
1337
1338 netif_wake_queue(bp->dev);
1339 }
1340 spin_unlock_irqrestore(&bp->tx_lock, flags);
1341 }
1342
1343 bp->tx_cons = sw_cons;
1344
1345}
1346
1347static inline void
1348bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
1349 u16 cons, u16 prod)
1350{
1351 struct sw_bd *cons_rx_buf = &bp->rx_buf_ring[cons];
1352 struct sw_bd *prod_rx_buf = &bp->rx_buf_ring[prod];
1353 struct rx_bd *cons_bd = &bp->rx_desc_ring[cons];
1354 struct rx_bd *prod_bd = &bp->rx_desc_ring[prod];
1355
1356 pci_dma_sync_single_for_device(bp->pdev,
1357 pci_unmap_addr(cons_rx_buf, mapping),
1358 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1359
1360 prod_rx_buf->skb = cons_rx_buf->skb;
1361 pci_unmap_addr_set(prod_rx_buf, mapping,
1362 pci_unmap_addr(cons_rx_buf, mapping));
1363
1364 memcpy(prod_bd, cons_bd, 8);
1365
1366 bp->rx_prod_bseq += bp->rx_buf_use_size;
1367
1368}
1369
1370static int
1371bnx2_rx_int(struct bnx2 *bp, int budget)
1372{
1373 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
1374 struct l2_fhdr *rx_hdr;
1375 int rx_pkt = 0;
1376
1377 hw_cons = bp->status_blk->status_rx_quick_consumer_index0;
1378 if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
1379 hw_cons++;
1380 }
1381 sw_cons = bp->rx_cons;
1382 sw_prod = bp->rx_prod;
1383
1384 /* Memory barrier necessary as speculative reads of the rx
1385 * buffer can be ahead of the index in the status block
1386 */
1387 rmb();
1388 while (sw_cons != hw_cons) {
1389 unsigned int len;
1390 u16 status;
1391 struct sw_bd *rx_buf;
1392 struct sk_buff *skb;
1393
1394 sw_ring_cons = RX_RING_IDX(sw_cons);
1395 sw_ring_prod = RX_RING_IDX(sw_prod);
1396
1397 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
1398 skb = rx_buf->skb;
1399 pci_dma_sync_single_for_cpu(bp->pdev,
1400 pci_unmap_addr(rx_buf, mapping),
1401 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1402
1403 rx_hdr = (struct l2_fhdr *) skb->data;
1404 len = rx_hdr->l2_fhdr_pkt_len - 4;
1405
1406 if (rx_hdr->l2_fhdr_errors &
1407 (L2_FHDR_ERRORS_BAD_CRC |
1408 L2_FHDR_ERRORS_PHY_DECODE |
1409 L2_FHDR_ERRORS_ALIGNMENT |
1410 L2_FHDR_ERRORS_TOO_SHORT |
1411 L2_FHDR_ERRORS_GIANT_FRAME)) {
1412
1413 goto reuse_rx;
1414 }
1415
1416 /* Since we don't have a jumbo ring, copy small packets
1417 * if mtu > 1500
1418 */
1419 if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
1420 struct sk_buff *new_skb;
1421
1422 new_skb = dev_alloc_skb(len + 2);
1423 if (new_skb == NULL)
1424 goto reuse_rx;
1425
1426 /* aligned copy */
1427 memcpy(new_skb->data,
1428 skb->data + bp->rx_offset - 2,
1429 len + 2);
1430
1431 skb_reserve(new_skb, 2);
1432 skb_put(new_skb, len);
1433 new_skb->dev = bp->dev;
1434
1435 bnx2_reuse_rx_skb(bp, skb,
1436 sw_ring_cons, sw_ring_prod);
1437
1438 skb = new_skb;
1439 }
1440 else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
1441 pci_unmap_single(bp->pdev,
1442 pci_unmap_addr(rx_buf, mapping),
1443 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1444
1445 skb_reserve(skb, bp->rx_offset);
1446 skb_put(skb, len);
1447 }
1448 else {
1449reuse_rx:
1450 bnx2_reuse_rx_skb(bp, skb,
1451 sw_ring_cons, sw_ring_prod);
1452 goto next_rx;
1453 }
1454
1455 skb->protocol = eth_type_trans(skb, bp->dev);
1456
1457 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
1458 (htons(skb->protocol) != 0x8100)) {
1459
1460 dev_kfree_skb_irq(skb);
1461 goto next_rx;
1462
1463 }
1464
1465 status = rx_hdr->l2_fhdr_status;
1466 skb->ip_summed = CHECKSUM_NONE;
1467 if (bp->rx_csum &&
1468 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
1469 L2_FHDR_STATUS_UDP_DATAGRAM))) {
1470
1471 u16 cksum = rx_hdr->l2_fhdr_tcp_udp_xsum;
1472
1473 if (cksum == 0xffff)
1474 skb->ip_summed = CHECKSUM_UNNECESSARY;
1475 }
1476
1477#ifdef BCM_VLAN
1478 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
1479 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1480 rx_hdr->l2_fhdr_vlan_tag);
1481 }
1482 else
1483#endif
1484 netif_receive_skb(skb);
1485
1486 bp->dev->last_rx = jiffies;
1487 rx_pkt++;
1488
1489next_rx:
1490 rx_buf->skb = NULL;
1491
1492 sw_cons = NEXT_RX_BD(sw_cons);
1493 sw_prod = NEXT_RX_BD(sw_prod);
1494
1495 if ((rx_pkt == budget))
1496 break;
1497 }
1498 bp->rx_cons = sw_cons;
1499 bp->rx_prod = sw_prod;
1500
1501 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
1502
1503 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
1504
1505 mmiowb();
1506
1507 return rx_pkt;
1508
1509}
1510
1511/* MSI ISR - The only difference between this and the INTx ISR
1512 * is that the MSI interrupt is always serviced.
1513 */
1514static irqreturn_t
1515bnx2_msi(int irq, void *dev_instance, struct pt_regs *regs)
1516{
1517 struct net_device *dev = dev_instance;
1518 struct bnx2 *bp = dev->priv;
1519
1520 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1521 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1522 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1523
1524 /* Return here if interrupt is disabled. */
1525 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1526 return IRQ_RETVAL(1);
1527 }
1528
1529 if (netif_rx_schedule_prep(dev)) {
1530 __netif_rx_schedule(dev);
1531 }
1532
1533 return IRQ_RETVAL(1);
1534}
1535
1536static irqreturn_t
1537bnx2_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
1538{
1539 struct net_device *dev = dev_instance;
1540 struct bnx2 *bp = dev->priv;
1541
1542 /* When using INTx, it is possible for the interrupt to arrive
1543 * at the CPU before the status block posted prior to the
1544 * interrupt. Reading a register will flush the status block.
1545 * When using MSI, the MSI message will always complete after
1546 * the status block write.
1547 */
1548 if ((bp->status_blk->status_idx == bp->last_status_idx) ||
1549 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
1550 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
1551 return IRQ_RETVAL(0);
1552
1553 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1554 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1555 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1556
1557 /* Return here if interrupt is shared and is disabled. */
1558 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1559 return IRQ_RETVAL(1);
1560 }
1561
1562 if (netif_rx_schedule_prep(dev)) {
1563 __netif_rx_schedule(dev);
1564 }
1565
1566 return IRQ_RETVAL(1);
1567}
1568
1569static int
1570bnx2_poll(struct net_device *dev, int *budget)
1571{
1572 struct bnx2 *bp = dev->priv;
1573 int rx_done = 1;
1574
1575 bp->last_status_idx = bp->status_blk->status_idx;
1576
1577 rmb();
1578 if ((bp->status_blk->status_attn_bits &
1579 STATUS_ATTN_BITS_LINK_STATE) !=
1580 (bp->status_blk->status_attn_bits_ack &
1581 STATUS_ATTN_BITS_LINK_STATE)) {
1582
1583 unsigned long flags;
1584
1585 spin_lock_irqsave(&bp->phy_lock, flags);
1586 bnx2_phy_int(bp);
1587 spin_unlock_irqrestore(&bp->phy_lock, flags);
1588 }
1589
1590 if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_cons) {
1591 bnx2_tx_int(bp);
1592 }
1593
1594 if (bp->status_blk->status_rx_quick_consumer_index0 != bp->rx_cons) {
1595 int orig_budget = *budget;
1596 int work_done;
1597
1598 if (orig_budget > dev->quota)
1599 orig_budget = dev->quota;
1600
1601 work_done = bnx2_rx_int(bp, orig_budget);
1602 *budget -= work_done;
1603 dev->quota -= work_done;
1604
1605 if (work_done >= orig_budget) {
1606 rx_done = 0;
1607 }
1608 }
1609
1610 if (rx_done) {
1611 netif_rx_complete(dev);
1612 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1613 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
1614 bp->last_status_idx);
1615 return 0;
1616 }
1617
1618 return 1;
1619}
1620
1621/* Called with rtnl_lock from vlan functions and also dev->xmit_lock
1622 * from set_multicast.
1623 */
1624static void
1625bnx2_set_rx_mode(struct net_device *dev)
1626{
1627 struct bnx2 *bp = dev->priv;
1628 u32 rx_mode, sort_mode;
1629 int i;
1630 unsigned long flags;
1631
1632 spin_lock_irqsave(&bp->phy_lock, flags);
1633
1634 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
1635 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
1636 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
1637#ifdef BCM_VLAN
1638 if (!bp->vlgrp) {
1639 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1640 }
1641#else
1642 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1643#endif
1644 if (dev->flags & IFF_PROMISC) {
1645 /* Promiscuous mode. */
1646 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
1647 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN;
1648 }
1649 else if (dev->flags & IFF_ALLMULTI) {
1650 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1651 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1652 0xffffffff);
1653 }
1654 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
1655 }
1656 else {
1657 /* Accept one or more multicast(s). */
1658 struct dev_mc_list *mclist;
1659 u32 mc_filter[NUM_MC_HASH_REGISTERS];
1660 u32 regidx;
1661 u32 bit;
1662 u32 crc;
1663
1664 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
1665
1666 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
1667 i++, mclist = mclist->next) {
1668
1669 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
1670 bit = crc & 0xff;
1671 regidx = (bit & 0xe0) >> 5;
1672 bit &= 0x1f;
1673 mc_filter[regidx] |= (1 << bit);
1674 }
1675
1676 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1677 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1678 mc_filter[i]);
1679 }
1680
1681 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
1682 }
1683
1684 if (rx_mode != bp->rx_mode) {
1685 bp->rx_mode = rx_mode;
1686 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
1687 }
1688
1689 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
1690 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
1691 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
1692
1693 spin_unlock_irqrestore(&bp->phy_lock, flags);
1694}
1695
1696static void
1697load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
1698 u32 rv2p_proc)
1699{
1700 int i;
1701 u32 val;
1702
1703
1704 for (i = 0; i < rv2p_code_len; i += 8) {
1705 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, *rv2p_code);
1706 rv2p_code++;
1707 REG_WR(bp, BNX2_RV2P_INSTR_LOW, *rv2p_code);
1708 rv2p_code++;
1709
1710 if (rv2p_proc == RV2P_PROC1) {
1711 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
1712 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
1713 }
1714 else {
1715 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
1716 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
1717 }
1718 }
1719
1720 /* Reset the processor, un-stall is done later. */
1721 if (rv2p_proc == RV2P_PROC1) {
1722 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
1723 }
1724 else {
1725 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
1726 }
1727}
1728
1729static void
1730load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
1731{
1732 u32 offset;
1733 u32 val;
1734
1735 /* Halt the CPU. */
1736 val = REG_RD_IND(bp, cpu_reg->mode);
1737 val |= cpu_reg->mode_value_halt;
1738 REG_WR_IND(bp, cpu_reg->mode, val);
1739 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
1740
1741 /* Load the Text area. */
1742 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
1743 if (fw->text) {
1744 int j;
1745
1746 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
1747 REG_WR_IND(bp, offset, fw->text[j]);
1748 }
1749 }
1750
1751 /* Load the Data area. */
1752 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
1753 if (fw->data) {
1754 int j;
1755
1756 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
1757 REG_WR_IND(bp, offset, fw->data[j]);
1758 }
1759 }
1760
1761 /* Load the SBSS area. */
1762 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
1763 if (fw->sbss) {
1764 int j;
1765
1766 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
1767 REG_WR_IND(bp, offset, fw->sbss[j]);
1768 }
1769 }
1770
1771 /* Load the BSS area. */
1772 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
1773 if (fw->bss) {
1774 int j;
1775
1776 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
1777 REG_WR_IND(bp, offset, fw->bss[j]);
1778 }
1779 }
1780
1781 /* Load the Read-Only area. */
1782 offset = cpu_reg->spad_base +
1783 (fw->rodata_addr - cpu_reg->mips_view_base);
1784 if (fw->rodata) {
1785 int j;
1786
1787 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
1788 REG_WR_IND(bp, offset, fw->rodata[j]);
1789 }
1790 }
1791
1792 /* Clear the pre-fetch instruction. */
1793 REG_WR_IND(bp, cpu_reg->inst, 0);
1794 REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
1795
1796 /* Start the CPU. */
1797 val = REG_RD_IND(bp, cpu_reg->mode);
1798 val &= ~cpu_reg->mode_value_halt;
1799 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
1800 REG_WR_IND(bp, cpu_reg->mode, val);
1801}
1802
1803static void
1804bnx2_init_cpus(struct bnx2 *bp)
1805{
1806 struct cpu_reg cpu_reg;
1807 struct fw_info fw;
1808
1809 /* Initialize the RV2P processor. */
1810 load_rv2p_fw(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), RV2P_PROC1);
1811 load_rv2p_fw(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), RV2P_PROC2);
1812
1813 /* Initialize the RX Processor. */
1814 cpu_reg.mode = BNX2_RXP_CPU_MODE;
1815 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
1816 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
1817 cpu_reg.state = BNX2_RXP_CPU_STATE;
1818 cpu_reg.state_value_clear = 0xffffff;
1819 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
1820 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
1821 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
1822 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
1823 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
1824 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
1825 cpu_reg.mips_view_base = 0x8000000;
1826
1827 fw.ver_major = bnx2_RXP_b06FwReleaseMajor;
1828 fw.ver_minor = bnx2_RXP_b06FwReleaseMinor;
1829 fw.ver_fix = bnx2_RXP_b06FwReleaseFix;
1830 fw.start_addr = bnx2_RXP_b06FwStartAddr;
1831
1832 fw.text_addr = bnx2_RXP_b06FwTextAddr;
1833 fw.text_len = bnx2_RXP_b06FwTextLen;
1834 fw.text_index = 0;
1835 fw.text = bnx2_RXP_b06FwText;
1836
1837 fw.data_addr = bnx2_RXP_b06FwDataAddr;
1838 fw.data_len = bnx2_RXP_b06FwDataLen;
1839 fw.data_index = 0;
1840 fw.data = bnx2_RXP_b06FwData;
1841
1842 fw.sbss_addr = bnx2_RXP_b06FwSbssAddr;
1843 fw.sbss_len = bnx2_RXP_b06FwSbssLen;
1844 fw.sbss_index = 0;
1845 fw.sbss = bnx2_RXP_b06FwSbss;
1846
1847 fw.bss_addr = bnx2_RXP_b06FwBssAddr;
1848 fw.bss_len = bnx2_RXP_b06FwBssLen;
1849 fw.bss_index = 0;
1850 fw.bss = bnx2_RXP_b06FwBss;
1851
1852 fw.rodata_addr = bnx2_RXP_b06FwRodataAddr;
1853 fw.rodata_len = bnx2_RXP_b06FwRodataLen;
1854 fw.rodata_index = 0;
1855 fw.rodata = bnx2_RXP_b06FwRodata;
1856
1857 load_cpu_fw(bp, &cpu_reg, &fw);
1858
1859 /* Initialize the TX Processor. */
1860 cpu_reg.mode = BNX2_TXP_CPU_MODE;
1861 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
1862 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
1863 cpu_reg.state = BNX2_TXP_CPU_STATE;
1864 cpu_reg.state_value_clear = 0xffffff;
1865 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
1866 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
1867 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
1868 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
1869 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
1870 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
1871 cpu_reg.mips_view_base = 0x8000000;
1872
1873 fw.ver_major = bnx2_TXP_b06FwReleaseMajor;
1874 fw.ver_minor = bnx2_TXP_b06FwReleaseMinor;
1875 fw.ver_fix = bnx2_TXP_b06FwReleaseFix;
1876 fw.start_addr = bnx2_TXP_b06FwStartAddr;
1877
1878 fw.text_addr = bnx2_TXP_b06FwTextAddr;
1879 fw.text_len = bnx2_TXP_b06FwTextLen;
1880 fw.text_index = 0;
1881 fw.text = bnx2_TXP_b06FwText;
1882
1883 fw.data_addr = bnx2_TXP_b06FwDataAddr;
1884 fw.data_len = bnx2_TXP_b06FwDataLen;
1885 fw.data_index = 0;
1886 fw.data = bnx2_TXP_b06FwData;
1887
1888 fw.sbss_addr = bnx2_TXP_b06FwSbssAddr;
1889 fw.sbss_len = bnx2_TXP_b06FwSbssLen;
1890 fw.sbss_index = 0;
1891 fw.sbss = bnx2_TXP_b06FwSbss;
1892
1893 fw.bss_addr = bnx2_TXP_b06FwBssAddr;
1894 fw.bss_len = bnx2_TXP_b06FwBssLen;
1895 fw.bss_index = 0;
1896 fw.bss = bnx2_TXP_b06FwBss;
1897
1898 fw.rodata_addr = bnx2_TXP_b06FwRodataAddr;
1899 fw.rodata_len = bnx2_TXP_b06FwRodataLen;
1900 fw.rodata_index = 0;
1901 fw.rodata = bnx2_TXP_b06FwRodata;
1902
1903 load_cpu_fw(bp, &cpu_reg, &fw);
1904
1905 /* Initialize the TX Patch-up Processor. */
1906 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
1907 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
1908 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
1909 cpu_reg.state = BNX2_TPAT_CPU_STATE;
1910 cpu_reg.state_value_clear = 0xffffff;
1911 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
1912 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
1913 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
1914 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
1915 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
1916 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
1917 cpu_reg.mips_view_base = 0x8000000;
1918
1919 fw.ver_major = bnx2_TPAT_b06FwReleaseMajor;
1920 fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor;
1921 fw.ver_fix = bnx2_TPAT_b06FwReleaseFix;
1922 fw.start_addr = bnx2_TPAT_b06FwStartAddr;
1923
1924 fw.text_addr = bnx2_TPAT_b06FwTextAddr;
1925 fw.text_len = bnx2_TPAT_b06FwTextLen;
1926 fw.text_index = 0;
1927 fw.text = bnx2_TPAT_b06FwText;
1928
1929 fw.data_addr = bnx2_TPAT_b06FwDataAddr;
1930 fw.data_len = bnx2_TPAT_b06FwDataLen;
1931 fw.data_index = 0;
1932 fw.data = bnx2_TPAT_b06FwData;
1933
1934 fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr;
1935 fw.sbss_len = bnx2_TPAT_b06FwSbssLen;
1936 fw.sbss_index = 0;
1937 fw.sbss = bnx2_TPAT_b06FwSbss;
1938
1939 fw.bss_addr = bnx2_TPAT_b06FwBssAddr;
1940 fw.bss_len = bnx2_TPAT_b06FwBssLen;
1941 fw.bss_index = 0;
1942 fw.bss = bnx2_TPAT_b06FwBss;
1943
1944 fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr;
1945 fw.rodata_len = bnx2_TPAT_b06FwRodataLen;
1946 fw.rodata_index = 0;
1947 fw.rodata = bnx2_TPAT_b06FwRodata;
1948
1949 load_cpu_fw(bp, &cpu_reg, &fw);
1950
1951 /* Initialize the Completion Processor. */
1952 cpu_reg.mode = BNX2_COM_CPU_MODE;
1953 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
1954 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
1955 cpu_reg.state = BNX2_COM_CPU_STATE;
1956 cpu_reg.state_value_clear = 0xffffff;
1957 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
1958 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
1959 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
1960 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
1961 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
1962 cpu_reg.spad_base = BNX2_COM_SCRATCH;
1963 cpu_reg.mips_view_base = 0x8000000;
1964
1965 fw.ver_major = bnx2_COM_b06FwReleaseMajor;
1966 fw.ver_minor = bnx2_COM_b06FwReleaseMinor;
1967 fw.ver_fix = bnx2_COM_b06FwReleaseFix;
1968 fw.start_addr = bnx2_COM_b06FwStartAddr;
1969
1970 fw.text_addr = bnx2_COM_b06FwTextAddr;
1971 fw.text_len = bnx2_COM_b06FwTextLen;
1972 fw.text_index = 0;
1973 fw.text = bnx2_COM_b06FwText;
1974
1975 fw.data_addr = bnx2_COM_b06FwDataAddr;
1976 fw.data_len = bnx2_COM_b06FwDataLen;
1977 fw.data_index = 0;
1978 fw.data = bnx2_COM_b06FwData;
1979
1980 fw.sbss_addr = bnx2_COM_b06FwSbssAddr;
1981 fw.sbss_len = bnx2_COM_b06FwSbssLen;
1982 fw.sbss_index = 0;
1983 fw.sbss = bnx2_COM_b06FwSbss;
1984
1985 fw.bss_addr = bnx2_COM_b06FwBssAddr;
1986 fw.bss_len = bnx2_COM_b06FwBssLen;
1987 fw.bss_index = 0;
1988 fw.bss = bnx2_COM_b06FwBss;
1989
1990 fw.rodata_addr = bnx2_COM_b06FwRodataAddr;
1991 fw.rodata_len = bnx2_COM_b06FwRodataLen;
1992 fw.rodata_index = 0;
1993 fw.rodata = bnx2_COM_b06FwRodata;
1994
1995 load_cpu_fw(bp, &cpu_reg, &fw);
1996
1997}
1998
1999static int
2000bnx2_set_power_state(struct bnx2 *bp, int state)
2001{
2002 u16 pmcsr;
2003
2004 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
2005
2006 switch (state) {
2007 case 0: {
2008 u32 val;
2009
2010 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2011 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
2012 PCI_PM_CTRL_PME_STATUS);
2013
2014 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
2015 /* delay required during transition out of D3hot */
2016 msleep(20);
2017
2018 val = REG_RD(bp, BNX2_EMAC_MODE);
2019 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
2020 val &= ~BNX2_EMAC_MODE_MPKT;
2021 REG_WR(bp, BNX2_EMAC_MODE, val);
2022
2023 val = REG_RD(bp, BNX2_RPM_CONFIG);
2024 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2025 REG_WR(bp, BNX2_RPM_CONFIG, val);
2026 break;
2027 }
2028 case 3: {
2029 int i;
2030 u32 val, wol_msg;
2031
2032 if (bp->wol) {
2033 u32 advertising;
2034 u8 autoneg;
2035
2036 autoneg = bp->autoneg;
2037 advertising = bp->advertising;
2038
2039 bp->autoneg = AUTONEG_SPEED;
2040 bp->advertising = ADVERTISED_10baseT_Half |
2041 ADVERTISED_10baseT_Full |
2042 ADVERTISED_100baseT_Half |
2043 ADVERTISED_100baseT_Full |
2044 ADVERTISED_Autoneg;
2045
2046 bnx2_setup_copper_phy(bp);
2047
2048 bp->autoneg = autoneg;
2049 bp->advertising = advertising;
2050
2051 bnx2_set_mac_addr(bp);
2052
2053 val = REG_RD(bp, BNX2_EMAC_MODE);
2054
2055 /* Enable port mode. */
2056 val &= ~BNX2_EMAC_MODE_PORT;
2057 val |= BNX2_EMAC_MODE_PORT_MII |
2058 BNX2_EMAC_MODE_MPKT_RCVD |
2059 BNX2_EMAC_MODE_ACPI_RCVD |
2060 BNX2_EMAC_MODE_FORCE_LINK |
2061 BNX2_EMAC_MODE_MPKT;
2062
2063 REG_WR(bp, BNX2_EMAC_MODE, val);
2064
2065 /* receive all multicast */
2066 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2067 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2068 0xffffffff);
2069 }
2070 REG_WR(bp, BNX2_EMAC_RX_MODE,
2071 BNX2_EMAC_RX_MODE_SORT_MODE);
2072
2073 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
2074 BNX2_RPM_SORT_USER0_MC_EN;
2075 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2076 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
2077 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
2078 BNX2_RPM_SORT_USER0_ENA);
2079
2080 /* Need to enable EMAC and RPM for WOL. */
2081 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2082 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
2083 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
2084 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
2085
2086 val = REG_RD(bp, BNX2_RPM_CONFIG);
2087 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2088 REG_WR(bp, BNX2_RPM_CONFIG, val);
2089
2090 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
2091 }
2092 else {
2093 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
2094 }
2095
2096 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg);
2097
2098 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
2099 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2100 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
2101
2102 if (bp->wol)
2103 pmcsr |= 3;
2104 }
2105 else {
2106 pmcsr |= 3;
2107 }
2108 if (bp->wol) {
2109 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
2110 }
2111 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2112 pmcsr);
2113
2114 /* No more memory access after this point until
2115 * device is brought back to D0.
2116 */
2117 udelay(50);
2118 break;
2119 }
2120 default:
2121 return -EINVAL;
2122 }
2123 return 0;
2124}
2125
2126static int
2127bnx2_acquire_nvram_lock(struct bnx2 *bp)
2128{
2129 u32 val;
2130 int j;
2131
2132 /* Request access to the flash interface. */
2133 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
2134 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2135 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2136 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
2137 break;
2138
2139 udelay(5);
2140 }
2141
2142 if (j >= NVRAM_TIMEOUT_COUNT)
2143 return -EBUSY;
2144
2145 return 0;
2146}
2147
2148static int
2149bnx2_release_nvram_lock(struct bnx2 *bp)
2150{
2151 int j;
2152 u32 val;
2153
2154 /* Relinquish nvram interface. */
2155 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
2156
2157 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2158 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2159 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
2160 break;
2161
2162 udelay(5);
2163 }
2164
2165 if (j >= NVRAM_TIMEOUT_COUNT)
2166 return -EBUSY;
2167
2168 return 0;
2169}
2170
2171
2172static int
2173bnx2_enable_nvram_write(struct bnx2 *bp)
2174{
2175 u32 val;
2176
2177 val = REG_RD(bp, BNX2_MISC_CFG);
2178 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
2179
2180 if (!bp->flash_info->buffered) {
2181 int j;
2182
2183 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2184 REG_WR(bp, BNX2_NVM_COMMAND,
2185 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
2186
2187 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2188 udelay(5);
2189
2190 val = REG_RD(bp, BNX2_NVM_COMMAND);
2191 if (val & BNX2_NVM_COMMAND_DONE)
2192 break;
2193 }
2194
2195 if (j >= NVRAM_TIMEOUT_COUNT)
2196 return -EBUSY;
2197 }
2198 return 0;
2199}
2200
2201static void
2202bnx2_disable_nvram_write(struct bnx2 *bp)
2203{
2204 u32 val;
2205
2206 val = REG_RD(bp, BNX2_MISC_CFG);
2207 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
2208}
2209
2210
2211static void
2212bnx2_enable_nvram_access(struct bnx2 *bp)
2213{
2214 u32 val;
2215
2216 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2217 /* Enable both bits, even on read. */
2218 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2219 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
2220}
2221
2222static void
2223bnx2_disable_nvram_access(struct bnx2 *bp)
2224{
2225 u32 val;
2226
2227 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2228 /* Disable both bits, even after read. */
2229 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2230 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
2231 BNX2_NVM_ACCESS_ENABLE_WR_EN));
2232}
2233
2234static int
2235bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
2236{
2237 u32 cmd;
2238 int j;
2239
2240 if (bp->flash_info->buffered)
2241 /* Buffered flash, no erase needed */
2242 return 0;
2243
2244 /* Build an erase command */
2245 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
2246 BNX2_NVM_COMMAND_DOIT;
2247
2248 /* Need to clear DONE bit separately. */
2249 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2250
2251 /* Address of the NVRAM to read from. */
2252 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2253
2254 /* Issue an erase command. */
2255 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2256
2257 /* Wait for completion. */
2258 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2259 u32 val;
2260
2261 udelay(5);
2262
2263 val = REG_RD(bp, BNX2_NVM_COMMAND);
2264 if (val & BNX2_NVM_COMMAND_DONE)
2265 break;
2266 }
2267
2268 if (j >= NVRAM_TIMEOUT_COUNT)
2269 return -EBUSY;
2270
2271 return 0;
2272}
2273
2274static int
2275bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
2276{
2277 u32 cmd;
2278 int j;
2279
2280 /* Build the command word. */
2281 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
2282
2283 /* Calculate an offset of a buffered flash. */
2284 if (bp->flash_info->buffered) {
2285 offset = ((offset / bp->flash_info->page_size) <<
2286 bp->flash_info->page_bits) +
2287 (offset % bp->flash_info->page_size);
2288 }
2289
2290 /* Need to clear DONE bit separately. */
2291 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2292
2293 /* Address of the NVRAM to read from. */
2294 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2295
2296 /* Issue a read command. */
2297 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2298
2299 /* Wait for completion. */
2300 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2301 u32 val;
2302
2303 udelay(5);
2304
2305 val = REG_RD(bp, BNX2_NVM_COMMAND);
2306 if (val & BNX2_NVM_COMMAND_DONE) {
2307 val = REG_RD(bp, BNX2_NVM_READ);
2308
2309 val = be32_to_cpu(val);
2310 memcpy(ret_val, &val, 4);
2311 break;
2312 }
2313 }
2314 if (j >= NVRAM_TIMEOUT_COUNT)
2315 return -EBUSY;
2316
2317 return 0;
2318}
2319
2320
2321static int
2322bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
2323{
2324 u32 cmd, val32;
2325 int j;
2326
2327 /* Build the command word. */
2328 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
2329
2330 /* Calculate an offset of a buffered flash. */
2331 if (bp->flash_info->buffered) {
2332 offset = ((offset / bp->flash_info->page_size) <<
2333 bp->flash_info->page_bits) +
2334 (offset % bp->flash_info->page_size);
2335 }
2336
2337 /* Need to clear DONE bit separately. */
2338 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2339
2340 memcpy(&val32, val, 4);
2341 val32 = cpu_to_be32(val32);
2342
2343 /* Write the data. */
2344 REG_WR(bp, BNX2_NVM_WRITE, val32);
2345
2346 /* Address of the NVRAM to write to. */
2347 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2348
2349 /* Issue the write command. */
2350 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2351
2352 /* Wait for completion. */
2353 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2354 udelay(5);
2355
2356 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
2357 break;
2358 }
2359 if (j >= NVRAM_TIMEOUT_COUNT)
2360 return -EBUSY;
2361
2362 return 0;
2363}
2364
2365static int
2366bnx2_init_nvram(struct bnx2 *bp)
2367{
2368 u32 val;
2369 int j, entry_count, rc;
2370 struct flash_spec *flash;
2371
2372 /* Determine the selected interface. */
2373 val = REG_RD(bp, BNX2_NVM_CFG1);
2374
2375 entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
2376
2377 rc = 0;
2378 if (val & 0x40000000) {
2379
2380 /* Flash interface has been reconfigured */
2381 for (j = 0, flash = &flash_table[0]; j < entry_count;
2382 j++, flash++) {
2383
2384 if (val == flash->config1) {
2385 bp->flash_info = flash;
2386 break;
2387 }
2388 }
2389 }
2390 else {
2391 /* Not yet been reconfigured */
2392
2393 for (j = 0, flash = &flash_table[0]; j < entry_count;
2394 j++, flash++) {
2395
2396 if ((val & FLASH_STRAP_MASK) == flash->strapping) {
2397 bp->flash_info = flash;
2398
2399 /* Request access to the flash interface. */
2400 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2401 return rc;
2402
2403 /* Enable access to flash interface */
2404 bnx2_enable_nvram_access(bp);
2405
2406 /* Reconfigure the flash interface */
2407 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
2408 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
2409 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
2410 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
2411
2412 /* Disable access to flash interface */
2413 bnx2_disable_nvram_access(bp);
2414 bnx2_release_nvram_lock(bp);
2415
2416 break;
2417 }
2418 }
2419 } /* if (val & 0x40000000) */
2420
2421 if (j == entry_count) {
2422 bp->flash_info = NULL;
2423 printk(KERN_ALERT "Unknown flash/EEPROM type.\n");
2424 rc = -ENODEV;
2425 }
2426
2427 return rc;
2428}
2429
2430static int
2431bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
2432 int buf_size)
2433{
2434 int rc = 0;
2435 u32 cmd_flags, offset32, len32, extra;
2436
2437 if (buf_size == 0)
2438 return 0;
2439
2440 /* Request access to the flash interface. */
2441 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2442 return rc;
2443
2444 /* Enable access to flash interface */
2445 bnx2_enable_nvram_access(bp);
2446
2447 len32 = buf_size;
2448 offset32 = offset;
2449 extra = 0;
2450
2451 cmd_flags = 0;
2452
2453 if (offset32 & 3) {
2454 u8 buf[4];
2455 u32 pre_len;
2456
2457 offset32 &= ~3;
2458 pre_len = 4 - (offset & 3);
2459
2460 if (pre_len >= len32) {
2461 pre_len = len32;
2462 cmd_flags = BNX2_NVM_COMMAND_FIRST |
2463 BNX2_NVM_COMMAND_LAST;
2464 }
2465 else {
2466 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2467 }
2468
2469 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2470
2471 if (rc)
2472 return rc;
2473
2474 memcpy(ret_buf, buf + (offset & 3), pre_len);
2475
2476 offset32 += 4;
2477 ret_buf += pre_len;
2478 len32 -= pre_len;
2479 }
2480 if (len32 & 3) {
2481 extra = 4 - (len32 & 3);
2482 len32 = (len32 + 4) & ~3;
2483 }
2484
2485 if (len32 == 4) {
2486 u8 buf[4];
2487
2488 if (cmd_flags)
2489 cmd_flags = BNX2_NVM_COMMAND_LAST;
2490 else
2491 cmd_flags = BNX2_NVM_COMMAND_FIRST |
2492 BNX2_NVM_COMMAND_LAST;
2493
2494 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2495
2496 memcpy(ret_buf, buf, 4 - extra);
2497 }
2498 else if (len32 > 0) {
2499 u8 buf[4];
2500
2501 /* Read the first word. */
2502 if (cmd_flags)
2503 cmd_flags = 0;
2504 else
2505 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2506
2507 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
2508
2509 /* Advance to the next dword. */
2510 offset32 += 4;
2511 ret_buf += 4;
2512 len32 -= 4;
2513
2514 while (len32 > 4 && rc == 0) {
2515 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
2516
2517 /* Advance to the next dword. */
2518 offset32 += 4;
2519 ret_buf += 4;
2520 len32 -= 4;
2521 }
2522
2523 if (rc)
2524 return rc;
2525
2526 cmd_flags = BNX2_NVM_COMMAND_LAST;
2527 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2528
2529 memcpy(ret_buf, buf, 4 - extra);
2530 }
2531
2532 /* Disable access to flash interface */
2533 bnx2_disable_nvram_access(bp);
2534
2535 bnx2_release_nvram_lock(bp);
2536
2537 return rc;
2538}
2539
2540static int
2541bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
2542 int buf_size)
2543{
2544 u32 written, offset32, len32;
2545 u8 *buf, start[4], end[4];
2546 int rc = 0;
2547 int align_start, align_end;
2548
2549 buf = data_buf;
2550 offset32 = offset;
2551 len32 = buf_size;
2552 align_start = align_end = 0;
2553
2554 if ((align_start = (offset32 & 3))) {
2555 offset32 &= ~3;
2556 len32 += align_start;
2557 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
2558 return rc;
2559 }
2560
2561 if (len32 & 3) {
2562 if ((len32 > 4) || !align_start) {
2563 align_end = 4 - (len32 & 3);
2564 len32 += align_end;
2565 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4,
2566 end, 4))) {
2567 return rc;
2568 }
2569 }
2570 }
2571
2572 if (align_start || align_end) {
2573 buf = kmalloc(len32, GFP_KERNEL);
2574 if (buf == 0)
2575 return -ENOMEM;
2576 if (align_start) {
2577 memcpy(buf, start, 4);
2578 }
2579 if (align_end) {
2580 memcpy(buf + len32 - 4, end, 4);
2581 }
2582 memcpy(buf + align_start, data_buf, buf_size);
2583 }
2584
2585 written = 0;
2586 while ((written < len32) && (rc == 0)) {
2587 u32 page_start, page_end, data_start, data_end;
2588 u32 addr, cmd_flags;
2589 int i;
2590 u8 flash_buffer[264];
2591
2592 /* Find the page_start addr */
2593 page_start = offset32 + written;
2594 page_start -= (page_start % bp->flash_info->page_size);
2595 /* Find the page_end addr */
2596 page_end = page_start + bp->flash_info->page_size;
2597 /* Find the data_start addr */
2598 data_start = (written == 0) ? offset32 : page_start;
2599 /* Find the data_end addr */
2600 data_end = (page_end > offset32 + len32) ?
2601 (offset32 + len32) : page_end;
2602
2603 /* Request access to the flash interface. */
2604 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2605 goto nvram_write_end;
2606
2607 /* Enable access to flash interface */
2608 bnx2_enable_nvram_access(bp);
2609
2610 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2611 if (bp->flash_info->buffered == 0) {
2612 int j;
2613
2614 /* Read the whole page into the buffer
2615 * (non-buffer flash only) */
2616 for (j = 0; j < bp->flash_info->page_size; j += 4) {
2617 if (j == (bp->flash_info->page_size - 4)) {
2618 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2619 }
2620 rc = bnx2_nvram_read_dword(bp,
2621 page_start + j,
2622 &flash_buffer[j],
2623 cmd_flags);
2624
2625 if (rc)
2626 goto nvram_write_end;
2627
2628 cmd_flags = 0;
2629 }
2630 }
2631
2632 /* Enable writes to flash interface (unlock write-protect) */
2633 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
2634 goto nvram_write_end;
2635
2636 /* Erase the page */
2637 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
2638 goto nvram_write_end;
2639
2640 /* Re-enable the write again for the actual write */
2641 bnx2_enable_nvram_write(bp);
2642
2643 /* Loop to write back the buffer data from page_start to
2644 * data_start */
2645 i = 0;
2646 if (bp->flash_info->buffered == 0) {
2647 for (addr = page_start; addr < data_start;
2648 addr += 4, i += 4) {
2649
2650 rc = bnx2_nvram_write_dword(bp, addr,
2651 &flash_buffer[i], cmd_flags);
2652
2653 if (rc != 0)
2654 goto nvram_write_end;
2655
2656 cmd_flags = 0;
2657 }
2658 }
2659
2660 /* Loop to write the new data from data_start to data_end */
2661 for (addr = data_start; addr < data_end; addr += 4, i++) {
2662 if ((addr == page_end - 4) ||
2663 ((bp->flash_info->buffered) &&
2664 (addr == data_end - 4))) {
2665
2666 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2667 }
2668 rc = bnx2_nvram_write_dword(bp, addr, buf,
2669 cmd_flags);
2670
2671 if (rc != 0)
2672 goto nvram_write_end;
2673
2674 cmd_flags = 0;
2675 buf += 4;
2676 }
2677
2678 /* Loop to write back the buffer data from data_end
2679 * to page_end */
2680 if (bp->flash_info->buffered == 0) {
2681 for (addr = data_end; addr < page_end;
2682 addr += 4, i += 4) {
2683
2684 if (addr == page_end-4) {
2685 cmd_flags = BNX2_NVM_COMMAND_LAST;
2686 }
2687 rc = bnx2_nvram_write_dword(bp, addr,
2688 &flash_buffer[i], cmd_flags);
2689
2690 if (rc != 0)
2691 goto nvram_write_end;
2692
2693 cmd_flags = 0;
2694 }
2695 }
2696
2697 /* Disable writes to flash interface (lock write-protect) */
2698 bnx2_disable_nvram_write(bp);
2699
2700 /* Disable access to flash interface */
2701 bnx2_disable_nvram_access(bp);
2702 bnx2_release_nvram_lock(bp);
2703
2704 /* Increment written */
2705 written += data_end - data_start;
2706 }
2707
2708nvram_write_end:
2709 if (align_start || align_end)
2710 kfree(buf);
2711 return rc;
2712}
2713
2714static int
2715bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
2716{
2717 u32 val;
2718 int i, rc = 0;
2719
2720 /* Wait for the current PCI transaction to complete before
2721 * issuing a reset. */
2722 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
2723 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
2724 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
2725 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
2726 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
2727 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
2728 udelay(5);
2729
2730 /* Deposit a driver reset signature so the firmware knows that
2731 * this is a soft reset. */
2732 REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_RESET_SIGNATURE,
2733 BNX2_DRV_RESET_SIGNATURE_MAGIC);
2734
2735 bp->fw_timed_out = 0;
2736
2737 /* Wait for the firmware to tell us it is ok to issue a reset. */
2738 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code);
2739
2740 /* Do a dummy read to force the chip to complete all current transaction
2741 * before we issue a reset. */
2742 val = REG_RD(bp, BNX2_MISC_ID);
2743
2744 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2745 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
2746 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
2747
2748 /* Chip reset. */
2749 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
2750
2751 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2752 (CHIP_ID(bp) == CHIP_ID_5706_A1))
2753 msleep(15);
2754
2755 /* Reset takes approximate 30 usec */
2756 for (i = 0; i < 10; i++) {
2757 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
2758 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2759 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) {
2760 break;
2761 }
2762 udelay(10);
2763 }
2764
2765 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2766 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
2767 printk(KERN_ERR PFX "Chip reset did not complete\n");
2768 return -EBUSY;
2769 }
2770
2771 /* Make sure byte swapping is properly configured. */
2772 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
2773 if (val != 0x01020304) {
2774 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
2775 return -ENODEV;
2776 }
2777
2778 bp->fw_timed_out = 0;
2779
2780 /* Wait for the firmware to finish its initialization. */
2781 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code);
2782
2783 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2784 /* Adjust the voltage regular to two steps lower. The default
2785 * of this register is 0x0000000e. */
2786 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
2787
2788 /* Remove bad rbuf memory from the free pool. */
2789 rc = bnx2_alloc_bad_rbuf(bp);
2790 }
2791
2792 return rc;
2793}
2794
2795static int
2796bnx2_init_chip(struct bnx2 *bp)
2797{
2798 u32 val;
2799
2800 /* Make sure the interrupt is not active. */
2801 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2802
2803 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
2804 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
2805#ifdef __BIG_ENDIAN
2806 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
2807#endif
2808 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
2809 DMA_READ_CHANS << 12 |
2810 DMA_WRITE_CHANS << 16;
2811
2812 val |= (0x2 << 20) | (1 << 11);
2813
2814 if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz = 133))
2815 val |= (1 << 23);
2816
2817 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
2818 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
2819 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
2820
2821 REG_WR(bp, BNX2_DMA_CONFIG, val);
2822
2823 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2824 val = REG_RD(bp, BNX2_TDMA_CONFIG);
2825 val |= BNX2_TDMA_CONFIG_ONE_DMA;
2826 REG_WR(bp, BNX2_TDMA_CONFIG, val);
2827 }
2828
2829 if (bp->flags & PCIX_FLAG) {
2830 u16 val16;
2831
2832 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
2833 &val16);
2834 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
2835 val16 & ~PCI_X_CMD_ERO);
2836 }
2837
2838 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2839 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
2840 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
2841 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
2842
2843 /* Initialize context mapping and zero out the quick contexts. The
2844 * context block must have already been enabled. */
2845 bnx2_init_context(bp);
2846
2847 bnx2_init_cpus(bp);
2848 bnx2_init_nvram(bp);
2849
2850 bnx2_set_mac_addr(bp);
2851
2852 val = REG_RD(bp, BNX2_MQ_CONFIG);
2853 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
2854 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
2855 REG_WR(bp, BNX2_MQ_CONFIG, val);
2856
2857 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
2858 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
2859 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
2860
2861 val = (BCM_PAGE_BITS - 8) << 24;
2862 REG_WR(bp, BNX2_RV2P_CONFIG, val);
2863
2864 /* Configure page size. */
2865 val = REG_RD(bp, BNX2_TBDR_CONFIG);
2866 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
2867 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
2868 REG_WR(bp, BNX2_TBDR_CONFIG, val);
2869
2870 val = bp->mac_addr[0] +
2871 (bp->mac_addr[1] << 8) +
2872 (bp->mac_addr[2] << 16) +
2873 bp->mac_addr[3] +
2874 (bp->mac_addr[4] << 8) +
2875 (bp->mac_addr[5] << 16);
2876 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
2877
2878 /* Program the MTU. Also include 4 bytes for CRC32. */
2879 val = bp->dev->mtu + ETH_HLEN + 4;
2880 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
2881 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
2882 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
2883
2884 bp->last_status_idx = 0;
2885 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
2886
2887 /* Set up how to generate a link change interrupt. */
2888 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2889
2890 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
2891 (u64) bp->status_blk_mapping & 0xffffffff);
2892 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
2893
2894 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
2895 (u64) bp->stats_blk_mapping & 0xffffffff);
2896 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
2897 (u64) bp->stats_blk_mapping >> 32);
2898
2899 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
2900 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
2901
2902 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
2903 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
2904
2905 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
2906 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
2907
2908 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
2909
2910 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
2911
2912 REG_WR(bp, BNX2_HC_COM_TICKS,
2913 (bp->com_ticks_int << 16) | bp->com_ticks);
2914
2915 REG_WR(bp, BNX2_HC_CMD_TICKS,
2916 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
2917
2918 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
2919 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
2920
2921 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
2922 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_COLLECT_STATS);
2923 else {
2924 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_RX_TMR_MODE |
2925 BNX2_HC_CONFIG_TX_TMR_MODE |
2926 BNX2_HC_CONFIG_COLLECT_STATS);
2927 }
2928
2929 /* Clear internal stats counters. */
2930 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
2931
2932 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
2933
2934 /* Initialize the receive filter. */
2935 bnx2_set_rx_mode(bp->dev);
2936
2937 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET);
2938
2939 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
2940 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
2941
2942 udelay(20);
2943
2944 return 0;
2945}
2946
2947
2948static void
2949bnx2_init_tx_ring(struct bnx2 *bp)
2950{
2951 struct tx_bd *txbd;
2952 u32 val;
2953
2954 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
2955
2956 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
2957 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
2958
2959 bp->tx_prod = 0;
2960 bp->tx_cons = 0;
2961 bp->tx_prod_bseq = 0;
2962 atomic_set(&bp->tx_avail_bd, bp->tx_ring_size);
2963
2964 val = BNX2_L2CTX_TYPE_TYPE_L2;
2965 val |= BNX2_L2CTX_TYPE_SIZE_L2;
2966 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val);
2967
2968 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2;
2969 val |= 8 << 16;
2970 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val);
2971
2972 val = (u64) bp->tx_desc_mapping >> 32;
2973 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val);
2974
2975 val = (u64) bp->tx_desc_mapping & 0xffffffff;
2976 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val);
2977}
2978
2979static void
2980bnx2_init_rx_ring(struct bnx2 *bp)
2981{
2982 struct rx_bd *rxbd;
2983 int i;
2984 u16 prod, ring_prod;
2985 u32 val;
2986
2987 /* 8 for CRC and VLAN */
2988 bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
2989 /* 8 for alignment */
2990 bp->rx_buf_size = bp->rx_buf_use_size + 8;
2991
2992 ring_prod = prod = bp->rx_prod = 0;
2993 bp->rx_cons = 0;
2994 bp->rx_prod_bseq = 0;
2995
2996 rxbd = &bp->rx_desc_ring[0];
2997 for (i = 0; i < MAX_RX_DESC_CNT; i++, rxbd++) {
2998 rxbd->rx_bd_len = bp->rx_buf_use_size;
2999 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
3000 }
3001
3002 rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping >> 32;
3003 rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping & 0xffffffff;
3004
3005 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
3006 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
3007 val |= 0x02 << 8;
3008 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
3009
3010 val = (u64) bp->rx_desc_mapping >> 32;
3011 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);
3012
3013 val = (u64) bp->rx_desc_mapping & 0xffffffff;
3014 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
3015
3016 for ( ;ring_prod < bp->rx_ring_size; ) {
3017 if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
3018 break;
3019 }
3020 prod = NEXT_RX_BD(prod);
3021 ring_prod = RX_RING_IDX(prod);
3022 }
3023 bp->rx_prod = prod;
3024
3025 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
3026
3027 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
3028}
3029
3030static void
3031bnx2_free_tx_skbs(struct bnx2 *bp)
3032{
3033 int i;
3034
3035 if (bp->tx_buf_ring == NULL)
3036 return;
3037
3038 for (i = 0; i < TX_DESC_CNT; ) {
3039 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
3040 struct sk_buff *skb = tx_buf->skb;
3041 int j, last;
3042
3043 if (skb == NULL) {
3044 i++;
3045 continue;
3046 }
3047
3048 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
3049 skb_headlen(skb), PCI_DMA_TODEVICE);
3050
3051 tx_buf->skb = NULL;
3052
3053 last = skb_shinfo(skb)->nr_frags;
3054 for (j = 0; j < last; j++) {
3055 tx_buf = &bp->tx_buf_ring[i + j + 1];
3056 pci_unmap_page(bp->pdev,
3057 pci_unmap_addr(tx_buf, mapping),
3058 skb_shinfo(skb)->frags[j].size,
3059 PCI_DMA_TODEVICE);
3060 }
3061 dev_kfree_skb_any(skb);
3062 i += j + 1;
3063 }
3064
3065}
3066
3067static void
3068bnx2_free_rx_skbs(struct bnx2 *bp)
3069{
3070 int i;
3071
3072 if (bp->rx_buf_ring == NULL)
3073 return;
3074
3075 for (i = 0; i < RX_DESC_CNT; i++) {
3076 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
3077 struct sk_buff *skb = rx_buf->skb;
3078
3079 if (skb == 0)
3080 continue;
3081
3082 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
3083 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
3084
3085 rx_buf->skb = NULL;
3086
3087 dev_kfree_skb_any(skb);
3088 }
3089}
3090
3091static void
3092bnx2_free_skbs(struct bnx2 *bp)
3093{
3094 bnx2_free_tx_skbs(bp);
3095 bnx2_free_rx_skbs(bp);
3096}
3097
3098static int
3099bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
3100{
3101 int rc;
3102
3103 rc = bnx2_reset_chip(bp, reset_code);
3104 bnx2_free_skbs(bp);
3105 if (rc)
3106 return rc;
3107
3108 bnx2_init_chip(bp);
3109 bnx2_init_tx_ring(bp);
3110 bnx2_init_rx_ring(bp);
3111 return 0;
3112}
3113
3114static int
3115bnx2_init_nic(struct bnx2 *bp)
3116{
3117 int rc;
3118
3119 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
3120 return rc;
3121
3122 bnx2_init_phy(bp);
3123 bnx2_set_link(bp);
3124 return 0;
3125}
3126
3127static int
3128bnx2_test_registers(struct bnx2 *bp)
3129{
3130 int ret;
3131 int i;
3132 static struct {
3133 u16 offset;
3134 u16 flags;
3135 u32 rw_mask;
3136 u32 ro_mask;
3137 } reg_tbl[] = {
3138 { 0x006c, 0, 0x00000000, 0x0000003f },
3139 { 0x0090, 0, 0xffffffff, 0x00000000 },
3140 { 0x0094, 0, 0x00000000, 0x00000000 },
3141
3142 { 0x0404, 0, 0x00003f00, 0x00000000 },
3143 { 0x0418, 0, 0x00000000, 0xffffffff },
3144 { 0x041c, 0, 0x00000000, 0xffffffff },
3145 { 0x0420, 0, 0x00000000, 0x80ffffff },
3146 { 0x0424, 0, 0x00000000, 0x00000000 },
3147 { 0x0428, 0, 0x00000000, 0x00000001 },
3148 { 0x0450, 0, 0x00000000, 0x0000ffff },
3149 { 0x0454, 0, 0x00000000, 0xffffffff },
3150 { 0x0458, 0, 0x00000000, 0xffffffff },
3151
3152 { 0x0808, 0, 0x00000000, 0xffffffff },
3153 { 0x0854, 0, 0x00000000, 0xffffffff },
3154 { 0x0868, 0, 0x00000000, 0x77777777 },
3155 { 0x086c, 0, 0x00000000, 0x77777777 },
3156 { 0x0870, 0, 0x00000000, 0x77777777 },
3157 { 0x0874, 0, 0x00000000, 0x77777777 },
3158
3159 { 0x0c00, 0, 0x00000000, 0x00000001 },
3160 { 0x0c04, 0, 0x00000000, 0x03ff0001 },
3161 { 0x0c08, 0, 0x0f0ff073, 0x00000000 },
3162 { 0x0c0c, 0, 0x00ffffff, 0x00000000 },
3163 { 0x0c30, 0, 0x00000000, 0xffffffff },
3164 { 0x0c34, 0, 0x00000000, 0xffffffff },
3165 { 0x0c38, 0, 0x00000000, 0xffffffff },
3166 { 0x0c3c, 0, 0x00000000, 0xffffffff },
3167 { 0x0c40, 0, 0x00000000, 0xffffffff },
3168 { 0x0c44, 0, 0x00000000, 0xffffffff },
3169 { 0x0c48, 0, 0x00000000, 0x0007ffff },
3170 { 0x0c4c, 0, 0x00000000, 0xffffffff },
3171 { 0x0c50, 0, 0x00000000, 0xffffffff },
3172 { 0x0c54, 0, 0x00000000, 0xffffffff },
3173 { 0x0c58, 0, 0x00000000, 0xffffffff },
3174 { 0x0c5c, 0, 0x00000000, 0xffffffff },
3175 { 0x0c60, 0, 0x00000000, 0xffffffff },
3176 { 0x0c64, 0, 0x00000000, 0xffffffff },
3177 { 0x0c68, 0, 0x00000000, 0xffffffff },
3178 { 0x0c6c, 0, 0x00000000, 0xffffffff },
3179 { 0x0c70, 0, 0x00000000, 0xffffffff },
3180 { 0x0c74, 0, 0x00000000, 0xffffffff },
3181 { 0x0c78, 0, 0x00000000, 0xffffffff },
3182 { 0x0c7c, 0, 0x00000000, 0xffffffff },
3183 { 0x0c80, 0, 0x00000000, 0xffffffff },
3184 { 0x0c84, 0, 0x00000000, 0xffffffff },
3185 { 0x0c88, 0, 0x00000000, 0xffffffff },
3186 { 0x0c8c, 0, 0x00000000, 0xffffffff },
3187 { 0x0c90, 0, 0x00000000, 0xffffffff },
3188 { 0x0c94, 0, 0x00000000, 0xffffffff },
3189 { 0x0c98, 0, 0x00000000, 0xffffffff },
3190 { 0x0c9c, 0, 0x00000000, 0xffffffff },
3191 { 0x0ca0, 0, 0x00000000, 0xffffffff },
3192 { 0x0ca4, 0, 0x00000000, 0xffffffff },
3193 { 0x0ca8, 0, 0x00000000, 0x0007ffff },
3194 { 0x0cac, 0, 0x00000000, 0xffffffff },
3195 { 0x0cb0, 0, 0x00000000, 0xffffffff },
3196 { 0x0cb4, 0, 0x00000000, 0xffffffff },
3197 { 0x0cb8, 0, 0x00000000, 0xffffffff },
3198 { 0x0cbc, 0, 0x00000000, 0xffffffff },
3199 { 0x0cc0, 0, 0x00000000, 0xffffffff },
3200 { 0x0cc4, 0, 0x00000000, 0xffffffff },
3201 { 0x0cc8, 0, 0x00000000, 0xffffffff },
3202 { 0x0ccc, 0, 0x00000000, 0xffffffff },
3203 { 0x0cd0, 0, 0x00000000, 0xffffffff },
3204 { 0x0cd4, 0, 0x00000000, 0xffffffff },
3205 { 0x0cd8, 0, 0x00000000, 0xffffffff },
3206 { 0x0cdc, 0, 0x00000000, 0xffffffff },
3207 { 0x0ce0, 0, 0x00000000, 0xffffffff },
3208 { 0x0ce4, 0, 0x00000000, 0xffffffff },
3209 { 0x0ce8, 0, 0x00000000, 0xffffffff },
3210 { 0x0cec, 0, 0x00000000, 0xffffffff },
3211 { 0x0cf0, 0, 0x00000000, 0xffffffff },
3212 { 0x0cf4, 0, 0x00000000, 0xffffffff },
3213 { 0x0cf8, 0, 0x00000000, 0xffffffff },
3214 { 0x0cfc, 0, 0x00000000, 0xffffffff },
3215 { 0x0d00, 0, 0x00000000, 0xffffffff },
3216 { 0x0d04, 0, 0x00000000, 0xffffffff },
3217
3218 { 0x1000, 0, 0x00000000, 0x00000001 },
3219 { 0x1004, 0, 0x00000000, 0x000f0001 },
3220 { 0x1044, 0, 0x00000000, 0xffc003ff },
3221 { 0x1080, 0, 0x00000000, 0x0001ffff },
3222 { 0x1084, 0, 0x00000000, 0xffffffff },
3223 { 0x1088, 0, 0x00000000, 0xffffffff },
3224 { 0x108c, 0, 0x00000000, 0xffffffff },
3225 { 0x1090, 0, 0x00000000, 0xffffffff },
3226 { 0x1094, 0, 0x00000000, 0xffffffff },
3227 { 0x1098, 0, 0x00000000, 0xffffffff },
3228 { 0x109c, 0, 0x00000000, 0xffffffff },
3229 { 0x10a0, 0, 0x00000000, 0xffffffff },
3230
3231 { 0x1408, 0, 0x01c00800, 0x00000000 },
3232 { 0x149c, 0, 0x8000ffff, 0x00000000 },
3233 { 0x14a8, 0, 0x00000000, 0x000001ff },
3234 { 0x14ac, 0, 0x4fffffff, 0x10000000 },
3235 { 0x14b0, 0, 0x00000002, 0x00000001 },
3236 { 0x14b8, 0, 0x00000000, 0x00000000 },
3237 { 0x14c0, 0, 0x00000000, 0x00000009 },
3238 { 0x14c4, 0, 0x00003fff, 0x00000000 },
3239 { 0x14cc, 0, 0x00000000, 0x00000001 },
3240 { 0x14d0, 0, 0xffffffff, 0x00000000 },
3241 { 0x1500, 0, 0x00000000, 0xffffffff },
3242 { 0x1504, 0, 0x00000000, 0xffffffff },
3243 { 0x1508, 0, 0x00000000, 0xffffffff },
3244 { 0x150c, 0, 0x00000000, 0xffffffff },
3245 { 0x1510, 0, 0x00000000, 0xffffffff },
3246 { 0x1514, 0, 0x00000000, 0xffffffff },
3247 { 0x1518, 0, 0x00000000, 0xffffffff },
3248 { 0x151c, 0, 0x00000000, 0xffffffff },
3249 { 0x1520, 0, 0x00000000, 0xffffffff },
3250 { 0x1524, 0, 0x00000000, 0xffffffff },
3251 { 0x1528, 0, 0x00000000, 0xffffffff },
3252 { 0x152c, 0, 0x00000000, 0xffffffff },
3253 { 0x1530, 0, 0x00000000, 0xffffffff },
3254 { 0x1534, 0, 0x00000000, 0xffffffff },
3255 { 0x1538, 0, 0x00000000, 0xffffffff },
3256 { 0x153c, 0, 0x00000000, 0xffffffff },
3257 { 0x1540, 0, 0x00000000, 0xffffffff },
3258 { 0x1544, 0, 0x00000000, 0xffffffff },
3259 { 0x1548, 0, 0x00000000, 0xffffffff },
3260 { 0x154c, 0, 0x00000000, 0xffffffff },
3261 { 0x1550, 0, 0x00000000, 0xffffffff },
3262 { 0x1554, 0, 0x00000000, 0xffffffff },
3263 { 0x1558, 0, 0x00000000, 0xffffffff },
3264 { 0x1600, 0, 0x00000000, 0xffffffff },
3265 { 0x1604, 0, 0x00000000, 0xffffffff },
3266 { 0x1608, 0, 0x00000000, 0xffffffff },
3267 { 0x160c, 0, 0x00000000, 0xffffffff },
3268 { 0x1610, 0, 0x00000000, 0xffffffff },
3269 { 0x1614, 0, 0x00000000, 0xffffffff },
3270 { 0x1618, 0, 0x00000000, 0xffffffff },
3271 { 0x161c, 0, 0x00000000, 0xffffffff },
3272 { 0x1620, 0, 0x00000000, 0xffffffff },
3273 { 0x1624, 0, 0x00000000, 0xffffffff },
3274 { 0x1628, 0, 0x00000000, 0xffffffff },
3275 { 0x162c, 0, 0x00000000, 0xffffffff },
3276 { 0x1630, 0, 0x00000000, 0xffffffff },
3277 { 0x1634, 0, 0x00000000, 0xffffffff },
3278 { 0x1638, 0, 0x00000000, 0xffffffff },
3279 { 0x163c, 0, 0x00000000, 0xffffffff },
3280 { 0x1640, 0, 0x00000000, 0xffffffff },
3281 { 0x1644, 0, 0x00000000, 0xffffffff },
3282 { 0x1648, 0, 0x00000000, 0xffffffff },
3283 { 0x164c, 0, 0x00000000, 0xffffffff },
3284 { 0x1650, 0, 0x00000000, 0xffffffff },
3285 { 0x1654, 0, 0x00000000, 0xffffffff },
3286
3287 { 0x1800, 0, 0x00000000, 0x00000001 },
3288 { 0x1804, 0, 0x00000000, 0x00000003 },
3289 { 0x1840, 0, 0x00000000, 0xffffffff },
3290 { 0x1844, 0, 0x00000000, 0xffffffff },
3291 { 0x1848, 0, 0x00000000, 0xffffffff },
3292 { 0x184c, 0, 0x00000000, 0xffffffff },
3293 { 0x1850, 0, 0x00000000, 0xffffffff },
3294 { 0x1900, 0, 0x7ffbffff, 0x00000000 },
3295 { 0x1904, 0, 0xffffffff, 0x00000000 },
3296 { 0x190c, 0, 0xffffffff, 0x00000000 },
3297 { 0x1914, 0, 0xffffffff, 0x00000000 },
3298 { 0x191c, 0, 0xffffffff, 0x00000000 },
3299 { 0x1924, 0, 0xffffffff, 0x00000000 },
3300 { 0x192c, 0, 0xffffffff, 0x00000000 },
3301 { 0x1934, 0, 0xffffffff, 0x00000000 },
3302 { 0x193c, 0, 0xffffffff, 0x00000000 },
3303 { 0x1944, 0, 0xffffffff, 0x00000000 },
3304 { 0x194c, 0, 0xffffffff, 0x00000000 },
3305 { 0x1954, 0, 0xffffffff, 0x00000000 },
3306 { 0x195c, 0, 0xffffffff, 0x00000000 },
3307 { 0x1964, 0, 0xffffffff, 0x00000000 },
3308 { 0x196c, 0, 0xffffffff, 0x00000000 },
3309 { 0x1974, 0, 0xffffffff, 0x00000000 },
3310 { 0x197c, 0, 0xffffffff, 0x00000000 },
3311 { 0x1980, 0, 0x0700ffff, 0x00000000 },
3312
3313 { 0x1c00, 0, 0x00000000, 0x00000001 },
3314 { 0x1c04, 0, 0x00000000, 0x00000003 },
3315 { 0x1c08, 0, 0x0000000f, 0x00000000 },
3316 { 0x1c40, 0, 0x00000000, 0xffffffff },
3317 { 0x1c44, 0, 0x00000000, 0xffffffff },
3318 { 0x1c48, 0, 0x00000000, 0xffffffff },
3319 { 0x1c4c, 0, 0x00000000, 0xffffffff },
3320 { 0x1c50, 0, 0x00000000, 0xffffffff },
3321 { 0x1d00, 0, 0x7ffbffff, 0x00000000 },
3322 { 0x1d04, 0, 0xffffffff, 0x00000000 },
3323 { 0x1d0c, 0, 0xffffffff, 0x00000000 },
3324 { 0x1d14, 0, 0xffffffff, 0x00000000 },
3325 { 0x1d1c, 0, 0xffffffff, 0x00000000 },
3326 { 0x1d24, 0, 0xffffffff, 0x00000000 },
3327 { 0x1d2c, 0, 0xffffffff, 0x00000000 },
3328 { 0x1d34, 0, 0xffffffff, 0x00000000 },
3329 { 0x1d3c, 0, 0xffffffff, 0x00000000 },
3330 { 0x1d44, 0, 0xffffffff, 0x00000000 },
3331 { 0x1d4c, 0, 0xffffffff, 0x00000000 },
3332 { 0x1d54, 0, 0xffffffff, 0x00000000 },
3333 { 0x1d5c, 0, 0xffffffff, 0x00000000 },
3334 { 0x1d64, 0, 0xffffffff, 0x00000000 },
3335 { 0x1d6c, 0, 0xffffffff, 0x00000000 },
3336 { 0x1d74, 0, 0xffffffff, 0x00000000 },
3337 { 0x1d7c, 0, 0xffffffff, 0x00000000 },
3338 { 0x1d80, 0, 0x0700ffff, 0x00000000 },
3339
3340 { 0x2004, 0, 0x00000000, 0x0337000f },
3341 { 0x2008, 0, 0xffffffff, 0x00000000 },
3342 { 0x200c, 0, 0xffffffff, 0x00000000 },
3343 { 0x2010, 0, 0xffffffff, 0x00000000 },
3344 { 0x2014, 0, 0x801fff80, 0x00000000 },
3345 { 0x2018, 0, 0x000003ff, 0x00000000 },
3346
3347 { 0x2800, 0, 0x00000000, 0x00000001 },
3348 { 0x2804, 0, 0x00000000, 0x00003f01 },
3349 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
3350 { 0x2810, 0, 0xffff0000, 0x00000000 },
3351 { 0x2814, 0, 0xffff0000, 0x00000000 },
3352 { 0x2818, 0, 0xffff0000, 0x00000000 },
3353 { 0x281c, 0, 0xffff0000, 0x00000000 },
3354 { 0x2834, 0, 0xffffffff, 0x00000000 },
3355 { 0x2840, 0, 0x00000000, 0xffffffff },
3356 { 0x2844, 0, 0x00000000, 0xffffffff },
3357 { 0x2848, 0, 0xffffffff, 0x00000000 },
3358 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
3359
3360 { 0x2c00, 0, 0x00000000, 0x00000011 },
3361 { 0x2c04, 0, 0x00000000, 0x00030007 },
3362
3363 { 0x3000, 0, 0x00000000, 0x00000001 },
3364 { 0x3004, 0, 0x00000000, 0x007007ff },
3365 { 0x3008, 0, 0x00000003, 0x00000000 },
3366 { 0x300c, 0, 0xffffffff, 0x00000000 },
3367 { 0x3010, 0, 0xffffffff, 0x00000000 },
3368 { 0x3014, 0, 0xffffffff, 0x00000000 },
3369 { 0x3034, 0, 0xffffffff, 0x00000000 },
3370 { 0x3038, 0, 0xffffffff, 0x00000000 },
3371 { 0x3050, 0, 0x00000001, 0x00000000 },
3372
3373 { 0x3c00, 0, 0x00000000, 0x00000001 },
3374 { 0x3c04, 0, 0x00000000, 0x00070000 },
3375 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
3376 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
3377 { 0x3c10, 0, 0xffffffff, 0x00000000 },
3378 { 0x3c14, 0, 0x00000000, 0xffffffff },
3379 { 0x3c18, 0, 0x00000000, 0xffffffff },
3380 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
3381 { 0x3c20, 0, 0xffffff00, 0x00000000 },
3382 { 0x3c24, 0, 0xffffffff, 0x00000000 },
3383 { 0x3c28, 0, 0xffffffff, 0x00000000 },
3384 { 0x3c2c, 0, 0xffffffff, 0x00000000 },
3385 { 0x3c30, 0, 0xffffffff, 0x00000000 },
3386 { 0x3c34, 0, 0xffffffff, 0x00000000 },
3387 { 0x3c38, 0, 0xffffffff, 0x00000000 },
3388 { 0x3c3c, 0, 0xffffffff, 0x00000000 },
3389 { 0x3c40, 0, 0xffffffff, 0x00000000 },
3390 { 0x3c44, 0, 0xffffffff, 0x00000000 },
3391 { 0x3c48, 0, 0xffffffff, 0x00000000 },
3392 { 0x3c4c, 0, 0xffffffff, 0x00000000 },
3393 { 0x3c50, 0, 0xffffffff, 0x00000000 },
3394 { 0x3c54, 0, 0xffffffff, 0x00000000 },
3395 { 0x3c58, 0, 0xffffffff, 0x00000000 },
3396 { 0x3c5c, 0, 0xffffffff, 0x00000000 },
3397 { 0x3c60, 0, 0xffffffff, 0x00000000 },
3398 { 0x3c64, 0, 0xffffffff, 0x00000000 },
3399 { 0x3c68, 0, 0xffffffff, 0x00000000 },
3400 { 0x3c6c, 0, 0xffffffff, 0x00000000 },
3401 { 0x3c70, 0, 0xffffffff, 0x00000000 },
3402 { 0x3c74, 0, 0x0000003f, 0x00000000 },
3403 { 0x3c78, 0, 0x00000000, 0x00000000 },
3404 { 0x3c7c, 0, 0x00000000, 0x00000000 },
3405 { 0x3c80, 0, 0x3fffffff, 0x00000000 },
3406 { 0x3c84, 0, 0x0000003f, 0x00000000 },
3407 { 0x3c88, 0, 0x00000000, 0xffffffff },
3408 { 0x3c8c, 0, 0x00000000, 0xffffffff },
3409
3410 { 0x4000, 0, 0x00000000, 0x00000001 },
3411 { 0x4004, 0, 0x00000000, 0x00030000 },
3412 { 0x4008, 0, 0x00000ff0, 0x00000000 },
3413 { 0x400c, 0, 0xffffffff, 0x00000000 },
3414 { 0x4088, 0, 0x00000000, 0x00070303 },
3415
3416 { 0x4400, 0, 0x00000000, 0x00000001 },
3417 { 0x4404, 0, 0x00000000, 0x00003f01 },
3418 { 0x4408, 0, 0x7fff00ff, 0x00000000 },
3419 { 0x440c, 0, 0xffffffff, 0x00000000 },
3420 { 0x4410, 0, 0xffff, 0x0000 },
3421 { 0x4414, 0, 0xffff, 0x0000 },
3422 { 0x4418, 0, 0xffff, 0x0000 },
3423 { 0x441c, 0, 0xffff, 0x0000 },
3424 { 0x4428, 0, 0xffffffff, 0x00000000 },
3425 { 0x442c, 0, 0xffffffff, 0x00000000 },
3426 { 0x4430, 0, 0xffffffff, 0x00000000 },
3427 { 0x4434, 0, 0xffffffff, 0x00000000 },
3428 { 0x4438, 0, 0xffffffff, 0x00000000 },
3429 { 0x443c, 0, 0xffffffff, 0x00000000 },
3430 { 0x4440, 0, 0xffffffff, 0x00000000 },
3431 { 0x4444, 0, 0xffffffff, 0x00000000 },
3432
3433 { 0x4c00, 0, 0x00000000, 0x00000001 },
3434 { 0x4c04, 0, 0x00000000, 0x0000003f },
3435 { 0x4c08, 0, 0xffffffff, 0x00000000 },
3436 { 0x4c0c, 0, 0x0007fc00, 0x00000000 },
3437 { 0x4c10, 0, 0x80003fe0, 0x00000000 },
3438 { 0x4c14, 0, 0xffffffff, 0x00000000 },
3439 { 0x4c44, 0, 0x00000000, 0x9fff9fff },
3440 { 0x4c48, 0, 0x00000000, 0xb3009fff },
3441 { 0x4c4c, 0, 0x00000000, 0x77f33b30 },
3442 { 0x4c50, 0, 0x00000000, 0xffffffff },
3443
3444 { 0x5004, 0, 0x00000000, 0x0000007f },
3445 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
3446 { 0x500c, 0, 0xf800f800, 0x07ff07ff },
3447
3448 { 0x5400, 0, 0x00000008, 0x00000001 },
3449 { 0x5404, 0, 0x00000000, 0x0000003f },
3450 { 0x5408, 0, 0x0000001f, 0x00000000 },
3451 { 0x540c, 0, 0xffffffff, 0x00000000 },
3452 { 0x5410, 0, 0xffffffff, 0x00000000 },
3453 { 0x5414, 0, 0x0000ffff, 0x00000000 },
3454 { 0x5418, 0, 0x0000ffff, 0x00000000 },
3455 { 0x541c, 0, 0x0000ffff, 0x00000000 },
3456 { 0x5420, 0, 0x0000ffff, 0x00000000 },
3457 { 0x5428, 0, 0x000000ff, 0x00000000 },
3458 { 0x542c, 0, 0xff00ffff, 0x00000000 },
3459 { 0x5430, 0, 0x001fff80, 0x00000000 },
3460 { 0x5438, 0, 0xffffffff, 0x00000000 },
3461 { 0x543c, 0, 0xffffffff, 0x00000000 },
3462 { 0x5440, 0, 0xf800f800, 0x07ff07ff },
3463
3464 { 0x5c00, 0, 0x00000000, 0x00000001 },
3465 { 0x5c04, 0, 0x00000000, 0x0003000f },
3466 { 0x5c08, 0, 0x00000003, 0x00000000 },
3467 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
3468 { 0x5c10, 0, 0x00000000, 0xffffffff },
3469 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
3470 { 0x5c84, 0, 0x00000000, 0x0000f333 },
3471 { 0x5c88, 0, 0x00000000, 0x00077373 },
3472 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
3473
3474 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
3475 { 0x680c, 0, 0xffffffff, 0x00000000 },
3476 { 0x6810, 0, 0xffffffff, 0x00000000 },
3477 { 0x6814, 0, 0xffffffff, 0x00000000 },
3478 { 0x6818, 0, 0xffffffff, 0x00000000 },
3479 { 0x681c, 0, 0xffffffff, 0x00000000 },
3480 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
3481 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
3482 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
3483 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
3484 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
3485 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
3486 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
3487 { 0x683c, 0, 0x0000ffff, 0x00000000 },
3488 { 0x6840, 0, 0x00000ff0, 0x00000000 },
3489 { 0x6844, 0, 0x00ffff00, 0x00000000 },
3490 { 0x684c, 0, 0xffffffff, 0x00000000 },
3491 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
3492 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
3493 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
3494 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
3495 { 0x6908, 0, 0x00000000, 0x0001ff0f },
3496 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
3497
3498 { 0xffff, 0, 0x00000000, 0x00000000 },
3499 };
3500
3501 ret = 0;
3502 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
3503 u32 offset, rw_mask, ro_mask, save_val, val;
3504
3505 offset = (u32) reg_tbl[i].offset;
3506 rw_mask = reg_tbl[i].rw_mask;
3507 ro_mask = reg_tbl[i].ro_mask;
3508
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]3509 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]3510
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]3511 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]3512
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]3513 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]3514 if ((val & rw_mask) != 0) {
3515 goto reg_test_err;
3516 }
3517
3518 if ((val & ro_mask) != (save_val & ro_mask)) {
3519 goto reg_test_err;
3520 }
3521
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]3522 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]3523
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]3524 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]3525 if ((val & rw_mask) != rw_mask) {
3526 goto reg_test_err;
3527 }
3528
3529 if ((val & ro_mask) != (save_val & ro_mask)) {
3530 goto reg_test_err;
3531 }
3532
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]3533 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]3534 continue;
3535
3536reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]3537 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]3538 ret = -ENODEV;
3539 break;
3540 }
3541 return ret;
3542}
3543
3544static int
3545bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
3546{
3547 static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
3548 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
3549 int i;
3550
3551 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
3552 u32 offset;
3553
3554 for (offset = 0; offset < size; offset += 4) {
3555
3556 REG_WR_IND(bp, start + offset, test_pattern[i]);
3557
3558 if (REG_RD_IND(bp, start + offset) !=
3559 test_pattern[i]) {
3560 return -ENODEV;
3561 }
3562 }
3563 }
3564 return 0;
3565}
3566
3567static int
3568bnx2_test_memory(struct bnx2 *bp)
3569{
3570 int ret = 0;
3571 int i;
3572 static struct {
3573 u32 offset;
3574 u32 len;
3575 } mem_tbl[] = {
3576 { 0x60000, 0x4000 },
3577 { 0xa0000, 0x4000 },
3578 { 0xe0000, 0x4000 },
3579 { 0x120000, 0x4000 },
3580 { 0x1a0000, 0x4000 },
3581 { 0x160000, 0x4000 },
3582 { 0xffffffff, 0 },
3583 };
3584
3585 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
3586 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
3587 mem_tbl[i].len)) != 0) {
3588 return ret;
3589 }
3590 }
3591
3592 return ret;
3593}
3594
3595static int
3596bnx2_test_loopback(struct bnx2 *bp)
3597{
3598 unsigned int pkt_size, num_pkts, i;
3599 struct sk_buff *skb, *rx_skb;
3600 unsigned char *packet;
3601 u16 rx_start_idx, rx_idx, send_idx;
3602 u32 send_bseq, val;
3603 dma_addr_t map;
3604 struct tx_bd *txbd;
3605 struct sw_bd *rx_buf;
3606 struct l2_fhdr *rx_hdr;
3607 int ret = -ENODEV;
3608
3609 if (!netif_running(bp->dev))
3610 return -ENODEV;
3611
3612 bp->loopback = MAC_LOOPBACK;
3613 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_DIAG);
3614 bnx2_set_mac_loopback(bp);
3615
3616 pkt_size = 1514;
3617 skb = dev_alloc_skb(pkt_size);
3618 packet = skb_put(skb, pkt_size);
3619 memcpy(packet, bp->mac_addr, 6);
3620 memset(packet + 6, 0x0, 8);
3621 for (i = 14; i < pkt_size; i++)
3622 packet[i] = (unsigned char) (i & 0xff);
3623
3624 map = pci_map_single(bp->pdev, skb->data, pkt_size,
3625 PCI_DMA_TODEVICE);
3626
3627 val = REG_RD(bp, BNX2_HC_COMMAND);
3628 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3629 REG_RD(bp, BNX2_HC_COMMAND);
3630
3631 udelay(5);
3632 rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;
3633
3634 send_idx = 0;
3635 send_bseq = 0;
3636 num_pkts = 0;
3637
3638 txbd = &bp->tx_desc_ring[send_idx];
3639
3640 txbd->tx_bd_haddr_hi = (u64) map >> 32;
3641 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
3642 txbd->tx_bd_mss_nbytes = pkt_size;
3643 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
3644
3645 num_pkts++;
3646 send_idx = NEXT_TX_BD(send_idx);
3647
3648 send_bseq += pkt_size;
3649
3650 REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, send_idx);
3651 REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, send_bseq);
3652
3653
3654 udelay(100);
3655
3656 val = REG_RD(bp, BNX2_HC_COMMAND);
3657 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3658 REG_RD(bp, BNX2_HC_COMMAND);
3659
3660 udelay(5);
3661
3662 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
3663 dev_kfree_skb_irq(skb);
3664
3665 if (bp->status_blk->status_tx_quick_consumer_index0 != send_idx) {
3666 goto loopback_test_done;
3667 }
3668
3669 rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
3670 if (rx_idx != rx_start_idx + num_pkts) {
3671 goto loopback_test_done;
3672 }
3673
3674 rx_buf = &bp->rx_buf_ring[rx_start_idx];
3675 rx_skb = rx_buf->skb;
3676
3677 rx_hdr = (struct l2_fhdr *) rx_skb->data;
3678 skb_reserve(rx_skb, bp->rx_offset);
3679
3680 pci_dma_sync_single_for_cpu(bp->pdev,
3681 pci_unmap_addr(rx_buf, mapping),
3682 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
3683
3684 if (rx_hdr->l2_fhdr_errors &
3685 (L2_FHDR_ERRORS_BAD_CRC |
3686 L2_FHDR_ERRORS_PHY_DECODE |
3687 L2_FHDR_ERRORS_ALIGNMENT |
3688 L2_FHDR_ERRORS_TOO_SHORT |
3689 L2_FHDR_ERRORS_GIANT_FRAME)) {
3690
3691 goto loopback_test_done;
3692 }
3693
3694 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
3695 goto loopback_test_done;
3696 }
3697
3698 for (i = 14; i < pkt_size; i++) {
3699 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
3700 goto loopback_test_done;
3701 }
3702 }
3703
3704 ret = 0;
3705
3706loopback_test_done:
3707 bp->loopback = 0;
3708 return ret;
3709}
3710
3711#define NVRAM_SIZE 0x200
3712#define CRC32_RESIDUAL 0xdebb20e3
3713
3714static int
3715bnx2_test_nvram(struct bnx2 *bp)
3716{
3717 u32 buf[NVRAM_SIZE / 4];
3718 u8 *data = (u8 *) buf;
3719 int rc = 0;
3720 u32 magic, csum;
3721
3722 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
3723 goto test_nvram_done;
3724
3725 magic = be32_to_cpu(buf[0]);
3726 if (magic != 0x669955aa) {
3727 rc = -ENODEV;
3728 goto test_nvram_done;
3729 }
3730
3731 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
3732 goto test_nvram_done;
3733
3734 csum = ether_crc_le(0x100, data);
3735 if (csum != CRC32_RESIDUAL) {
3736 rc = -ENODEV;
3737 goto test_nvram_done;
3738 }
3739
3740 csum = ether_crc_le(0x100, data + 0x100);
3741 if (csum != CRC32_RESIDUAL) {
3742 rc = -ENODEV;
3743 }
3744
3745test_nvram_done:
3746 return rc;
3747}
3748
3749static int
3750bnx2_test_link(struct bnx2 *bp)
3751{
3752 u32 bmsr;
3753
3754 spin_lock_irq(&bp->phy_lock);
3755 bnx2_read_phy(bp, MII_BMSR, &bmsr);
3756 bnx2_read_phy(bp, MII_BMSR, &bmsr);
3757 spin_unlock_irq(&bp->phy_lock);
3758
3759 if (bmsr & BMSR_LSTATUS) {
3760 return 0;
3761 }
3762 return -ENODEV;
3763}
3764
3765static int
3766bnx2_test_intr(struct bnx2 *bp)
3767{
3768 int i;
3769 u32 val;
3770 u16 status_idx;
3771
3772 if (!netif_running(bp->dev))
3773 return -ENODEV;
3774
3775 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
3776
3777 /* This register is not touched during run-time. */
3778 val = REG_RD(bp, BNX2_HC_COMMAND);
3779 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
3780 REG_RD(bp, BNX2_HC_COMMAND);
3781
3782 for (i = 0; i < 10; i++) {
3783 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
3784 status_idx) {
3785
3786 break;
3787 }
3788
3789 msleep_interruptible(10);
3790 }
3791 if (i < 10)
3792 return 0;
3793
3794 return -ENODEV;
3795}
3796
3797static void
3798bnx2_timer(unsigned long data)
3799{
3800 struct bnx2 *bp = (struct bnx2 *) data;
3801 u32 msg;
3802
3803 if (atomic_read(&bp->intr_sem) != 0)
3804 goto bnx2_restart_timer;
3805
3806 msg = (u32) ++bp->fw_drv_pulse_wr_seq;
3807 REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_PULSE_MB, msg);
3808
3809 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
3810 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
3811 unsigned long flags;
3812
3813 spin_lock_irqsave(&bp->phy_lock, flags);
3814 if (bp->serdes_an_pending) {
3815 bp->serdes_an_pending--;
3816 }
3817 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
3818 u32 bmcr;
3819
3820 bnx2_read_phy(bp, MII_BMCR, &bmcr);
3821
3822 if (bmcr & BMCR_ANENABLE) {
3823 u32 phy1, phy2;
3824
3825 bnx2_write_phy(bp, 0x1c, 0x7c00);
3826 bnx2_read_phy(bp, 0x1c, &phy1);
3827
3828 bnx2_write_phy(bp, 0x17, 0x0f01);
3829 bnx2_read_phy(bp, 0x15, &phy2);
3830 bnx2_write_phy(bp, 0x17, 0x0f01);
3831 bnx2_read_phy(bp, 0x15, &phy2);
3832
3833 if ((phy1 & 0x10) && /* SIGNAL DETECT */
3834 !(phy2 & 0x20)) { /* no CONFIG */
3835
3836 bmcr &= ~BMCR_ANENABLE;
3837 bmcr |= BMCR_SPEED1000 |
3838 BMCR_FULLDPLX;
3839 bnx2_write_phy(bp, MII_BMCR, bmcr);
3840 bp->phy_flags |=
3841 PHY_PARALLEL_DETECT_FLAG;
3842 }
3843 }
3844 }
3845 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
3846 (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
3847 u32 phy2;
3848
3849 bnx2_write_phy(bp, 0x17, 0x0f01);
3850 bnx2_read_phy(bp, 0x15, &phy2);
3851 if (phy2 & 0x20) {
3852 u32 bmcr;
3853
3854 bnx2_read_phy(bp, MII_BMCR, &bmcr);
3855 bmcr |= BMCR_ANENABLE;
3856 bnx2_write_phy(bp, MII_BMCR, bmcr);
3857
3858 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
3859
3860 }
3861 }
3862
3863 spin_unlock_irqrestore(&bp->phy_lock, flags);
3864 }
3865
3866bnx2_restart_timer:
3867 bp->timer.expires = RUN_AT(bp->timer_interval);
3868
3869 add_timer(&bp->timer);
3870}
3871
3872/* Called with rtnl_lock */
3873static int
3874bnx2_open(struct net_device *dev)
3875{
3876 struct bnx2 *bp = dev->priv;
3877 int rc;
3878
3879 bnx2_set_power_state(bp, 0);
3880 bnx2_disable_int(bp);
3881
3882 rc = bnx2_alloc_mem(bp);
3883 if (rc)
3884 return rc;
3885
3886 if ((CHIP_ID(bp) != CHIP_ID_5706_A0) &&
3887 (CHIP_ID(bp) != CHIP_ID_5706_A1) &&
3888 !disable_msi) {
3889
3890 if (pci_enable_msi(bp->pdev) == 0) {
3891 bp->flags |= USING_MSI_FLAG;
3892 rc = request_irq(bp->pdev->irq, bnx2_msi, 0, dev->name,
3893 dev);
3894 }
3895 else {
3896 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
3897 SA_SHIRQ, dev->name, dev);
3898 }
3899 }
3900 else {
3901 rc = request_irq(bp->pdev->irq, bnx2_interrupt, SA_SHIRQ,
3902 dev->name, dev);
3903 }
3904 if (rc) {
3905 bnx2_free_mem(bp);
3906 return rc;
3907 }
3908
3909 rc = bnx2_init_nic(bp);
3910
3911 if (rc) {
3912 free_irq(bp->pdev->irq, dev);
3913 if (bp->flags & USING_MSI_FLAG) {
3914 pci_disable_msi(bp->pdev);
3915 bp->flags &= ~USING_MSI_FLAG;
3916 }
3917 bnx2_free_skbs(bp);
3918 bnx2_free_mem(bp);
3919 return rc;
3920 }
3921
3922 init_timer(&bp->timer);
3923
3924 bp->timer.expires = RUN_AT(bp->timer_interval);
3925 bp->timer.data = (unsigned long) bp;
3926 bp->timer.function = bnx2_timer;
3927 add_timer(&bp->timer);
3928
3929 atomic_set(&bp->intr_sem, 0);
3930
3931 bnx2_enable_int(bp);
3932
3933 if (bp->flags & USING_MSI_FLAG) {
3934 /* Test MSI to make sure it is working
3935 * If MSI test fails, go back to INTx mode
3936 */
3937 if (bnx2_test_intr(bp) != 0) {
3938 printk(KERN_WARNING PFX "%s: No interrupt was generated"
3939 " using MSI, switching to INTx mode. Please"
3940 " report this failure to the PCI maintainer"
3941 " and include system chipset information.\n",
3942 bp->dev->name);
3943
3944 bnx2_disable_int(bp);
3945 free_irq(bp->pdev->irq, dev);
3946 pci_disable_msi(bp->pdev);
3947 bp->flags &= ~USING_MSI_FLAG;
3948
3949 rc = bnx2_init_nic(bp);
3950
3951 if (!rc) {
3952 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
3953 SA_SHIRQ, dev->name, dev);
3954 }
3955 if (rc) {
3956 bnx2_free_skbs(bp);
3957 bnx2_free_mem(bp);
3958 del_timer_sync(&bp->timer);
3959 return rc;
3960 }
3961 bnx2_enable_int(bp);
3962 }
3963 }
3964 if (bp->flags & USING_MSI_FLAG) {
3965 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
3966 }
3967
3968 netif_start_queue(dev);
3969
3970 return 0;
3971}
3972
3973static void
3974bnx2_reset_task(void *data)
3975{
3976 struct bnx2 *bp = data;
3977
3978 bnx2_netif_stop(bp);
3979
3980 bnx2_init_nic(bp);
3981
3982 atomic_set(&bp->intr_sem, 1);
3983 bnx2_netif_start(bp);
3984}
3985
3986static void
3987bnx2_tx_timeout(struct net_device *dev)
3988{
3989 struct bnx2 *bp = dev->priv;
3990
3991 /* This allows the netif to be shutdown gracefully before resetting */
3992 schedule_work(&bp->reset_task);
3993}
3994
3995#ifdef BCM_VLAN
3996/* Called with rtnl_lock */
3997static void
3998bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
3999{
4000 struct bnx2 *bp = dev->priv;
4001
4002 bnx2_netif_stop(bp);
4003
4004 bp->vlgrp = vlgrp;
4005 bnx2_set_rx_mode(dev);
4006
4007 bnx2_netif_start(bp);
4008}
4009
4010/* Called with rtnl_lock */
4011static void
4012bnx2_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
4013{
4014 struct bnx2 *bp = dev->priv;
4015
4016 bnx2_netif_stop(bp);
4017
4018 if (bp->vlgrp)
4019 bp->vlgrp->vlan_devices[vid] = NULL;
4020 bnx2_set_rx_mode(dev);
4021
4022 bnx2_netif_start(bp);
4023}
4024#endif
4025
4026/* Called with dev->xmit_lock.
4027 * hard_start_xmit is pseudo-lockless - a lock is only required when
4028 * the tx queue is full. This way, we get the benefit of lockless
4029 * operations most of the time without the complexities to handle
4030 * netif_stop_queue/wake_queue race conditions.
4031 */
4032static int
4033bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
4034{
4035 struct bnx2 *bp = dev->priv;
4036 dma_addr_t mapping;
4037 struct tx_bd *txbd;
4038 struct sw_bd *tx_buf;
4039 u32 len, vlan_tag_flags, last_frag, mss;
4040 u16 prod, ring_prod;
4041 int i;
4042
4043 if (unlikely(atomic_read(&bp->tx_avail_bd) <
4044 (skb_shinfo(skb)->nr_frags + 1))) {
4045
4046 netif_stop_queue(dev);
4047 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
4048 dev->name);
4049
4050 return NETDEV_TX_BUSY;
4051 }
4052 len = skb_headlen(skb);
4053 prod = bp->tx_prod;
4054 ring_prod = TX_RING_IDX(prod);
4055
4056 vlan_tag_flags = 0;
4057 if (skb->ip_summed == CHECKSUM_HW) {
4058 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
4059 }
4060
4061 if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
4062 vlan_tag_flags |=
4063 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
4064 }
4065#ifdef BCM_TSO
4066 if ((mss = skb_shinfo(skb)->tso_size) &&
4067 (skb->len > (bp->dev->mtu + ETH_HLEN))) {
4068 u32 tcp_opt_len, ip_tcp_len;
4069
4070 if (skb_header_cloned(skb) &&
4071 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4072 dev_kfree_skb(skb);
4073 return NETDEV_TX_OK;
4074 }
4075
4076 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4077 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
4078
4079 tcp_opt_len = 0;
4080 if (skb->h.th->doff > 5) {
4081 tcp_opt_len = (skb->h.th->doff - 5) << 2;
4082 }
4083 ip_tcp_len = (skb->nh.iph->ihl << 2) + sizeof(struct tcphdr);
4084
4085 skb->nh.iph->check = 0;
4086 skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
4087 skb->h.th->check =
4088 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4089 skb->nh.iph->daddr,
4090 0, IPPROTO_TCP, 0);
4091
4092 if (tcp_opt_len || (skb->nh.iph->ihl > 5)) {
4093 vlan_tag_flags |= ((skb->nh.iph->ihl - 5) +
4094 (tcp_opt_len >> 2)) << 8;
4095 }
4096 }
4097 else
4098#endif
4099 {
4100 mss = 0;
4101 }
4102
4103 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4104
4105 tx_buf = &bp->tx_buf_ring[ring_prod];
4106 tx_buf->skb = skb;
4107 pci_unmap_addr_set(tx_buf, mapping, mapping);
4108
4109 txbd = &bp->tx_desc_ring[ring_prod];
4110
4111 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4112 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4113 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4114 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
4115
4116 last_frag = skb_shinfo(skb)->nr_frags;
4117
4118 for (i = 0; i < last_frag; i++) {
4119 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4120
4121 prod = NEXT_TX_BD(prod);
4122 ring_prod = TX_RING_IDX(prod);
4123 txbd = &bp->tx_desc_ring[ring_prod];
4124
4125 len = frag->size;
4126 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
4127 len, PCI_DMA_TODEVICE);
4128 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
4129 mapping, mapping);
4130
4131 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4132 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4133 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4134 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
4135
4136 }
4137 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
4138
4139 prod = NEXT_TX_BD(prod);
4140 bp->tx_prod_bseq += skb->len;
4141
4142 atomic_sub(last_frag + 1, &bp->tx_avail_bd);
4143
4144 REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
4145 REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
4146
4147 mmiowb();
4148
4149 bp->tx_prod = prod;
4150 dev->trans_start = jiffies;
4151
4152 if (unlikely(atomic_read(&bp->tx_avail_bd) <= MAX_SKB_FRAGS)) {
4153 unsigned long flags;
4154
4155 spin_lock_irqsave(&bp->tx_lock, flags);
4156 if (atomic_read(&bp->tx_avail_bd) <= MAX_SKB_FRAGS) {
4157 netif_stop_queue(dev);
4158
4159 if (atomic_read(&bp->tx_avail_bd) > MAX_SKB_FRAGS)
4160 netif_wake_queue(dev);
4161 }
4162 spin_unlock_irqrestore(&bp->tx_lock, flags);
4163 }
4164
4165 return NETDEV_TX_OK;
4166}
4167
4168/* Called with rtnl_lock */
4169static int
4170bnx2_close(struct net_device *dev)
4171{
4172 struct bnx2 *bp = dev->priv;
4173 u32 reset_code;
4174
4175 flush_scheduled_work();
4176 bnx2_netif_stop(bp);
4177 del_timer_sync(&bp->timer);
4178 if (bp->wol)
4179 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4180 else
4181 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4182 bnx2_reset_chip(bp, reset_code);
4183 free_irq(bp->pdev->irq, dev);
4184 if (bp->flags & USING_MSI_FLAG) {
4185 pci_disable_msi(bp->pdev);
4186 bp->flags &= ~USING_MSI_FLAG;
4187 }
4188 bnx2_free_skbs(bp);
4189 bnx2_free_mem(bp);
4190 bp->link_up = 0;
4191 netif_carrier_off(bp->dev);
4192 bnx2_set_power_state(bp, 3);
4193 return 0;
4194}
4195
4196#define GET_NET_STATS64(ctr) \
4197 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
4198 (unsigned long) (ctr##_lo)
4199
4200#define GET_NET_STATS32(ctr) \
4201 (ctr##_lo)
4202
4203#if (BITS_PER_LONG == 64)
4204#define GET_NET_STATS GET_NET_STATS64
4205#else
4206#define GET_NET_STATS GET_NET_STATS32
4207#endif
4208
4209static struct net_device_stats *
4210bnx2_get_stats(struct net_device *dev)
4211{
4212 struct bnx2 *bp = dev->priv;
4213 struct statistics_block *stats_blk = bp->stats_blk;
4214 struct net_device_stats *net_stats = &bp->net_stats;
4215
4216 if (bp->stats_blk == NULL) {
4217 return net_stats;
4218 }
4219 net_stats->rx_packets =
4220 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
4221 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
4222 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
4223
4224 net_stats->tx_packets =
4225 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
4226 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
4227 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
4228
4229 net_stats->rx_bytes =
4230 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
4231
4232 net_stats->tx_bytes =
4233 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
4234
4235 net_stats->multicast =
4236 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
4237
4238 net_stats->collisions =
4239 (unsigned long) stats_blk->stat_EtherStatsCollisions;
4240
4241 net_stats->rx_length_errors =
4242 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
4243 stats_blk->stat_EtherStatsOverrsizePkts);
4244
4245 net_stats->rx_over_errors =
4246 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
4247
4248 net_stats->rx_frame_errors =
4249 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
4250
4251 net_stats->rx_crc_errors =
4252 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
4253
4254 net_stats->rx_errors = net_stats->rx_length_errors +
4255 net_stats->rx_over_errors + net_stats->rx_frame_errors +
4256 net_stats->rx_crc_errors;
4257
4258 net_stats->tx_aborted_errors =
4259 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
4260 stats_blk->stat_Dot3StatsLateCollisions);
4261
4262 if (CHIP_NUM(bp) == CHIP_NUM_5706)
4263 net_stats->tx_carrier_errors = 0;
4264 else {
4265 net_stats->tx_carrier_errors =
4266 (unsigned long)
4267 stats_blk->stat_Dot3StatsCarrierSenseErrors;
4268 }
4269
4270 net_stats->tx_errors =
4271 (unsigned long)
4272 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
4273 +
4274 net_stats->tx_aborted_errors +
4275 net_stats->tx_carrier_errors;
4276
4277 return net_stats;
4278}
4279
4280/* All ethtool functions called with rtnl_lock */
4281
4282static int
4283bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4284{
4285 struct bnx2 *bp = dev->priv;
4286
4287 cmd->supported = SUPPORTED_Autoneg;
4288 if (bp->phy_flags & PHY_SERDES_FLAG) {
4289 cmd->supported |= SUPPORTED_1000baseT_Full |
4290 SUPPORTED_FIBRE;
4291
4292 cmd->port = PORT_FIBRE;
4293 }
4294 else {
4295 cmd->supported |= SUPPORTED_10baseT_Half |
4296 SUPPORTED_10baseT_Full |
4297 SUPPORTED_100baseT_Half |
4298 SUPPORTED_100baseT_Full |
4299 SUPPORTED_1000baseT_Full |
4300 SUPPORTED_TP;
4301
4302 cmd->port = PORT_TP;
4303 }
4304
4305 cmd->advertising = bp->advertising;
4306
4307 if (bp->autoneg & AUTONEG_SPEED) {
4308 cmd->autoneg = AUTONEG_ENABLE;
4309 }
4310 else {
4311 cmd->autoneg = AUTONEG_DISABLE;
4312 }
4313
4314 if (netif_carrier_ok(dev)) {
4315 cmd->speed = bp->line_speed;
4316 cmd->duplex = bp->duplex;
4317 }
4318 else {
4319 cmd->speed = -1;
4320 cmd->duplex = -1;
4321 }
4322
4323 cmd->transceiver = XCVR_INTERNAL;
4324 cmd->phy_address = bp->phy_addr;
4325
4326 return 0;
4327}
4328
4329static int
4330bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4331{
4332 struct bnx2 *bp = dev->priv;
4333 u8 autoneg = bp->autoneg;
4334 u8 req_duplex = bp->req_duplex;
4335 u16 req_line_speed = bp->req_line_speed;
4336 u32 advertising = bp->advertising;
4337
4338 if (cmd->autoneg == AUTONEG_ENABLE) {
4339 autoneg |= AUTONEG_SPEED;
4340
4341 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
4342
4343 /* allow advertising 1 speed */
4344 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
4345 (cmd->advertising == ADVERTISED_10baseT_Full) ||
4346 (cmd->advertising == ADVERTISED_100baseT_Half) ||
4347 (cmd->advertising == ADVERTISED_100baseT_Full)) {
4348
4349 if (bp->phy_flags & PHY_SERDES_FLAG)
4350 return -EINVAL;
4351
4352 advertising = cmd->advertising;
4353
4354 }
4355 else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
4356 advertising = cmd->advertising;
4357 }
4358 else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
4359 return -EINVAL;
4360 }
4361 else {
4362 if (bp->phy_flags & PHY_SERDES_FLAG) {
4363 advertising = ETHTOOL_ALL_FIBRE_SPEED;
4364 }
4365 else {
4366 advertising = ETHTOOL_ALL_COPPER_SPEED;
4367 }
4368 }
4369 advertising |= ADVERTISED_Autoneg;
4370 }
4371 else {
4372 if (bp->phy_flags & PHY_SERDES_FLAG) {
4373 if ((cmd->speed != SPEED_1000) ||
4374 (cmd->duplex != DUPLEX_FULL)) {
4375 return -EINVAL;
4376 }
4377 }
4378 else if (cmd->speed == SPEED_1000) {
4379 return -EINVAL;
4380 }
4381 autoneg &= ~AUTONEG_SPEED;
4382 req_line_speed = cmd->speed;
4383 req_duplex = cmd->duplex;
4384 advertising = 0;
4385 }
4386
4387 bp->autoneg = autoneg;
4388 bp->advertising = advertising;
4389 bp->req_line_speed = req_line_speed;
4390 bp->req_duplex = req_duplex;
4391
4392 spin_lock_irq(&bp->phy_lock);
4393
4394 bnx2_setup_phy(bp);
4395
4396 spin_unlock_irq(&bp->phy_lock);
4397
4398 return 0;
4399}
4400
4401static void
4402bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
4403{
4404 struct bnx2 *bp = dev->priv;
4405
4406 strcpy(info->driver, DRV_MODULE_NAME);
4407 strcpy(info->version, DRV_MODULE_VERSION);
4408 strcpy(info->bus_info, pci_name(bp->pdev));
4409 info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
4410 info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
4411 info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
4412 info->fw_version[6] = (bp->fw_ver & 0xff) + '0';
4413 info->fw_version[1] = info->fw_version[3] = info->fw_version[5] = '.';
4414 info->fw_version[7] = 0;
4415}
4416
4417static void
4418bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4419{
4420 struct bnx2 *bp = dev->priv;
4421
4422 if (bp->flags & NO_WOL_FLAG) {
4423 wol->supported = 0;
4424 wol->wolopts = 0;
4425 }
4426 else {
4427 wol->supported = WAKE_MAGIC;
4428 if (bp->wol)
4429 wol->wolopts = WAKE_MAGIC;
4430 else
4431 wol->wolopts = 0;
4432 }
4433 memset(&wol->sopass, 0, sizeof(wol->sopass));
4434}
4435
4436static int
4437bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4438{
4439 struct bnx2 *bp = dev->priv;
4440
4441 if (wol->wolopts & ~WAKE_MAGIC)
4442 return -EINVAL;
4443
4444 if (wol->wolopts & WAKE_MAGIC) {
4445 if (bp->flags & NO_WOL_FLAG)
4446 return -EINVAL;
4447
4448 bp->wol = 1;
4449 }
4450 else {
4451 bp->wol = 0;
4452 }
4453 return 0;
4454}
4455
4456static int
4457bnx2_nway_reset(struct net_device *dev)
4458{
4459 struct bnx2 *bp = dev->priv;
4460 u32 bmcr;
4461
4462 if (!(bp->autoneg & AUTONEG_SPEED)) {
4463 return -EINVAL;
4464 }
4465
4466 spin_lock_irq(&bp->phy_lock);
4467
4468 /* Force a link down visible on the other side */
4469 if (bp->phy_flags & PHY_SERDES_FLAG) {
4470 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
4471 spin_unlock_irq(&bp->phy_lock);
4472
4473 msleep(20);
4474
4475 spin_lock_irq(&bp->phy_lock);
4476 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
4477 bp->serdes_an_pending = SERDES_AN_TIMEOUT /
4478 bp->timer_interval;
4479 }
4480 }
4481
4482 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4483 bmcr &= ~BMCR_LOOPBACK;
4484 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
4485
4486 spin_unlock_irq(&bp->phy_lock);
4487
4488 return 0;
4489}
4490
4491static int
4492bnx2_get_eeprom_len(struct net_device *dev)
4493{
4494 struct bnx2 *bp = dev->priv;
4495
4496 if (bp->flash_info == 0)
4497 return 0;
4498
4499 return (int) bp->flash_info->total_size;
4500}
4501
4502static int
4503bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4504 u8 *eebuf)
4505{
4506 struct bnx2 *bp = dev->priv;
4507 int rc;
4508
4509 if (eeprom->offset > bp->flash_info->total_size)
4510 return -EINVAL;
4511
4512 if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4513 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4514
4515 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
4516
4517 return rc;
4518}
4519
4520static int
4521bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4522 u8 *eebuf)
4523{
4524 struct bnx2 *bp = dev->priv;
4525 int rc;
4526
4527 if (eeprom->offset > bp->flash_info->total_size)
4528 return -EINVAL;
4529
4530 if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4531 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4532
4533 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
4534
4535 return rc;
4536}
4537
4538static int
4539bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4540{
4541 struct bnx2 *bp = dev->priv;
4542
4543 memset(coal, 0, sizeof(struct ethtool_coalesce));
4544
4545 coal->rx_coalesce_usecs = bp->rx_ticks;
4546 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
4547 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
4548 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
4549
4550 coal->tx_coalesce_usecs = bp->tx_ticks;
4551 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
4552 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
4553 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
4554
4555 coal->stats_block_coalesce_usecs = bp->stats_ticks;
4556
4557 return 0;
4558}
4559
4560static int
4561bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4562{
4563 struct bnx2 *bp = dev->priv;
4564
4565 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
4566 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
4567
4568 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
4569 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
4570
4571 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
4572 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
4573
4574 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
4575 if (bp->rx_quick_cons_trip_int > 0xff)
4576 bp->rx_quick_cons_trip_int = 0xff;
4577
4578 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
4579 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
4580
4581 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
4582 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
4583
4584 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
4585 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
4586
4587 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
4588 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
4589 0xff;
4590
4591 bp->stats_ticks = coal->stats_block_coalesce_usecs;
4592 if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
4593 bp->stats_ticks &= 0xffff00;
4594
4595 if (netif_running(bp->dev)) {
4596 bnx2_netif_stop(bp);
4597 bnx2_init_nic(bp);
4598 bnx2_netif_start(bp);
4599 }
4600
4601 return 0;
4602}
4603
4604static void
4605bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4606{
4607 struct bnx2 *bp = dev->priv;
4608
4609 ering->rx_max_pending = MAX_RX_DESC_CNT;
4610 ering->rx_mini_max_pending = 0;
4611 ering->rx_jumbo_max_pending = 0;
4612
4613 ering->rx_pending = bp->rx_ring_size;
4614 ering->rx_mini_pending = 0;
4615 ering->rx_jumbo_pending = 0;
4616
4617 ering->tx_max_pending = MAX_TX_DESC_CNT;
4618 ering->tx_pending = bp->tx_ring_size;
4619}
4620
4621static int
4622bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4623{
4624 struct bnx2 *bp = dev->priv;
4625
4626 if ((ering->rx_pending > MAX_RX_DESC_CNT) ||
4627 (ering->tx_pending > MAX_TX_DESC_CNT) ||
4628 (ering->tx_pending <= MAX_SKB_FRAGS)) {
4629
4630 return -EINVAL;
4631 }
4632 bp->rx_ring_size = ering->rx_pending;
4633 bp->tx_ring_size = ering->tx_pending;
4634
4635 if (netif_running(bp->dev)) {
4636 bnx2_netif_stop(bp);
4637 bnx2_init_nic(bp);
4638 bnx2_netif_start(bp);
4639 }
4640
4641 return 0;
4642}
4643
4644static void
4645bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4646{
4647 struct bnx2 *bp = dev->priv;
4648
4649 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
4650 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
4651 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
4652}
4653
4654static int
4655bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4656{
4657 struct bnx2 *bp = dev->priv;
4658
4659 bp->req_flow_ctrl = 0;
4660 if (epause->rx_pause)
4661 bp->req_flow_ctrl |= FLOW_CTRL_RX;
4662 if (epause->tx_pause)
4663 bp->req_flow_ctrl |= FLOW_CTRL_TX;
4664
4665 if (epause->autoneg) {
4666 bp->autoneg |= AUTONEG_FLOW_CTRL;
4667 }
4668 else {
4669 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
4670 }
4671
4672 spin_lock_irq(&bp->phy_lock);
4673
4674 bnx2_setup_phy(bp);
4675
4676 spin_unlock_irq(&bp->phy_lock);
4677
4678 return 0;
4679}
4680
4681static u32
4682bnx2_get_rx_csum(struct net_device *dev)
4683{
4684 struct bnx2 *bp = dev->priv;
4685
4686 return bp->rx_csum;
4687}
4688
4689static int
4690bnx2_set_rx_csum(struct net_device *dev, u32 data)
4691{
4692 struct bnx2 *bp = dev->priv;
4693
4694 bp->rx_csum = data;
4695 return 0;
4696}
4697
4698#define BNX2_NUM_STATS 45
4699
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]4700static struct {
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]4701 char string[ETH_GSTRING_LEN];
4702} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
4703 { "rx_bytes" },
4704 { "rx_error_bytes" },
4705 { "tx_bytes" },
4706 { "tx_error_bytes" },
4707 { "rx_ucast_packets" },
4708 { "rx_mcast_packets" },
4709 { "rx_bcast_packets" },
4710 { "tx_ucast_packets" },
4711 { "tx_mcast_packets" },
4712 { "tx_bcast_packets" },
4713 { "tx_mac_errors" },
4714 { "tx_carrier_errors" },
4715 { "rx_crc_errors" },
4716 { "rx_align_errors" },
4717 { "tx_single_collisions" },
4718 { "tx_multi_collisions" },
4719 { "tx_deferred" },
4720 { "tx_excess_collisions" },
4721 { "tx_late_collisions" },
4722 { "tx_total_collisions" },
4723 { "rx_fragments" },
4724 { "rx_jabbers" },
4725 { "rx_undersize_packets" },
4726 { "rx_oversize_packets" },
4727 { "rx_64_byte_packets" },
4728 { "rx_65_to_127_byte_packets" },
4729 { "rx_128_to_255_byte_packets" },
4730 { "rx_256_to_511_byte_packets" },
4731 { "rx_512_to_1023_byte_packets" },
4732 { "rx_1024_to_1522_byte_packets" },
4733 { "rx_1523_to_9022_byte_packets" },
4734 { "tx_64_byte_packets" },
4735 { "tx_65_to_127_byte_packets" },
4736 { "tx_128_to_255_byte_packets" },
4737 { "tx_256_to_511_byte_packets" },
4738 { "tx_512_to_1023_byte_packets" },
4739 { "tx_1024_to_1522_byte_packets" },
4740 { "tx_1523_to_9022_byte_packets" },
4741 { "rx_xon_frames" },
4742 { "rx_xoff_frames" },
4743 { "tx_xon_frames" },
4744 { "tx_xoff_frames" },
4745 { "rx_mac_ctrl_frames" },
4746 { "rx_filtered_packets" },
4747 { "rx_discards" },
4748};
4749
4750#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
4751
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]4752static unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]4753 STATS_OFFSET32(stat_IfHCInOctets_hi),
4754 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
4755 STATS_OFFSET32(stat_IfHCOutOctets_hi),
4756 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
4757 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
4758 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
4759 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
4760 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
4761 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
4762 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
4763 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
4764 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
4765 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
4766 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
4767 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
4768 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
4769 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
4770 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
4771 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
4772 STATS_OFFSET32(stat_EtherStatsCollisions),
4773 STATS_OFFSET32(stat_EtherStatsFragments),
4774 STATS_OFFSET32(stat_EtherStatsJabbers),
4775 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
4776 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
4777 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
4778 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
4779 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
4780 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
4781 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
4782 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
4783 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
4784 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
4785 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
4786 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
4787 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
4788 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
4789 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
4790 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
4791 STATS_OFFSET32(stat_XonPauseFramesReceived),
4792 STATS_OFFSET32(stat_XoffPauseFramesReceived),
4793 STATS_OFFSET32(stat_OutXonSent),
4794 STATS_OFFSET32(stat_OutXoffSent),
4795 STATS_OFFSET32(stat_MacControlFramesReceived),
4796 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
4797 STATS_OFFSET32(stat_IfInMBUFDiscards),
4798};
4799
4800/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
4801 * skipped because of errata.
4802 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]4803static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]4804 8,0,8,8,8,8,8,8,8,8,
4805 4,0,4,4,4,4,4,4,4,4,
4806 4,4,4,4,4,4,4,4,4,4,
4807 4,4,4,4,4,4,4,4,4,4,
4808 4,4,4,4,4,
4809};
4810
4811#define BNX2_NUM_TESTS 6
4812
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]4813static struct {
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]4814 char string[ETH_GSTRING_LEN];
4815} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
4816 { "register_test (offline)" },
4817 { "memory_test (offline)" },
4818 { "loopback_test (offline)" },
4819 { "nvram_test (online)" },
4820 { "interrupt_test (online)" },
4821 { "link_test (online)" },
4822};
4823
4824static int
4825bnx2_self_test_count(struct net_device *dev)
4826{
4827 return BNX2_NUM_TESTS;
4828}
4829
4830static void
4831bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
4832{
4833 struct bnx2 *bp = dev->priv;
4834
4835 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
4836 if (etest->flags & ETH_TEST_FL_OFFLINE) {
4837 bnx2_netif_stop(bp);
4838 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
4839 bnx2_free_skbs(bp);
4840
4841 if (bnx2_test_registers(bp) != 0) {
4842 buf[0] = 1;
4843 etest->flags |= ETH_TEST_FL_FAILED;
4844 }
4845 if (bnx2_test_memory(bp) != 0) {
4846 buf[1] = 1;
4847 etest->flags |= ETH_TEST_FL_FAILED;
4848 }
4849 if (bnx2_test_loopback(bp) != 0) {
4850 buf[2] = 1;
4851 etest->flags |= ETH_TEST_FL_FAILED;
4852 }
4853
4854 if (!netif_running(bp->dev)) {
4855 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
4856 }
4857 else {
4858 bnx2_init_nic(bp);
4859 bnx2_netif_start(bp);
4860 }
4861
4862 /* wait for link up */
4863 msleep_interruptible(3000);
4864 if ((!bp->link_up) && !(bp->phy_flags & PHY_SERDES_FLAG))
4865 msleep_interruptible(4000);
4866 }
4867
4868 if (bnx2_test_nvram(bp) != 0) {
4869 buf[3] = 1;
4870 etest->flags |= ETH_TEST_FL_FAILED;
4871 }
4872 if (bnx2_test_intr(bp) != 0) {
4873 buf[4] = 1;
4874 etest->flags |= ETH_TEST_FL_FAILED;
4875 }
4876
4877 if (bnx2_test_link(bp) != 0) {
4878 buf[5] = 1;
4879 etest->flags |= ETH_TEST_FL_FAILED;
4880
4881 }
4882}
4883
4884static void
4885bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
4886{
4887 switch (stringset) {
4888 case ETH_SS_STATS:
4889 memcpy(buf, bnx2_stats_str_arr,
4890 sizeof(bnx2_stats_str_arr));
4891 break;
4892 case ETH_SS_TEST:
4893 memcpy(buf, bnx2_tests_str_arr,
4894 sizeof(bnx2_tests_str_arr));
4895 break;
4896 }
4897}
4898
4899static int
4900bnx2_get_stats_count(struct net_device *dev)
4901{
4902 return BNX2_NUM_STATS;
4903}
4904
4905static void
4906bnx2_get_ethtool_stats(struct net_device *dev,
4907 struct ethtool_stats *stats, u64 *buf)
4908{
4909 struct bnx2 *bp = dev->priv;
4910 int i;
4911 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]4912 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]4913
4914 if (hw_stats == NULL) {
4915 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
4916 return;
4917 }
4918
4919 if (CHIP_NUM(bp) == CHIP_NUM_5706)
4920 stats_len_arr = bnx2_5706_stats_len_arr;
4921
4922 for (i = 0; i < BNX2_NUM_STATS; i++) {
4923 if (stats_len_arr[i] == 0) {
4924 /* skip this counter */
4925 buf[i] = 0;
4926 continue;
4927 }
4928 if (stats_len_arr[i] == 4) {
4929 /* 4-byte counter */
4930 buf[i] = (u64)
4931 *(hw_stats + bnx2_stats_offset_arr[i]);
4932 continue;
4933 }
4934 /* 8-byte counter */
4935 buf[i] = (((u64) *(hw_stats +
4936 bnx2_stats_offset_arr[i])) << 32) +
4937 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
4938 }
4939}
4940
4941static int
4942bnx2_phys_id(struct net_device *dev, u32 data)
4943{
4944 struct bnx2 *bp = dev->priv;
4945 int i;
4946 u32 save;
4947
4948 if (data == 0)
4949 data = 2;
4950
4951 save = REG_RD(bp, BNX2_MISC_CFG);
4952 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
4953
4954 for (i = 0; i < (data * 2); i++) {
4955 if ((i % 2) == 0) {
4956 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
4957 }
4958 else {
4959 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
4960 BNX2_EMAC_LED_1000MB_OVERRIDE |
4961 BNX2_EMAC_LED_100MB_OVERRIDE |
4962 BNX2_EMAC_LED_10MB_OVERRIDE |
4963 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
4964 BNX2_EMAC_LED_TRAFFIC);
4965 }
4966 msleep_interruptible(500);
4967 if (signal_pending(current))
4968 break;
4969 }
4970 REG_WR(bp, BNX2_EMAC_LED, 0);
4971 REG_WR(bp, BNX2_MISC_CFG, save);
4972 return 0;
4973}
4974
4975static struct ethtool_ops bnx2_ethtool_ops = {
4976 .get_settings = bnx2_get_settings,
4977 .set_settings = bnx2_set_settings,
4978 .get_drvinfo = bnx2_get_drvinfo,
4979 .get_wol = bnx2_get_wol,
4980 .set_wol = bnx2_set_wol,
4981 .nway_reset = bnx2_nway_reset,
4982 .get_link = ethtool_op_get_link,
4983 .get_eeprom_len = bnx2_get_eeprom_len,
4984 .get_eeprom = bnx2_get_eeprom,
4985 .set_eeprom = bnx2_set_eeprom,
4986 .get_coalesce = bnx2_get_coalesce,
4987 .set_coalesce = bnx2_set_coalesce,
4988 .get_ringparam = bnx2_get_ringparam,
4989 .set_ringparam = bnx2_set_ringparam,
4990 .get_pauseparam = bnx2_get_pauseparam,
4991 .set_pauseparam = bnx2_set_pauseparam,
4992 .get_rx_csum = bnx2_get_rx_csum,
4993 .set_rx_csum = bnx2_set_rx_csum,
4994 .get_tx_csum = ethtool_op_get_tx_csum,
4995 .set_tx_csum = ethtool_op_set_tx_csum,
4996 .get_sg = ethtool_op_get_sg,
4997 .set_sg = ethtool_op_set_sg,
4998#ifdef BCM_TSO
4999 .get_tso = ethtool_op_get_tso,
5000 .set_tso = ethtool_op_set_tso,
5001#endif
5002 .self_test_count = bnx2_self_test_count,
5003 .self_test = bnx2_self_test,
5004 .get_strings = bnx2_get_strings,
5005 .phys_id = bnx2_phys_id,
5006 .get_stats_count = bnx2_get_stats_count,
5007 .get_ethtool_stats = bnx2_get_ethtool_stats,
5008};
5009
5010/* Called with rtnl_lock */
5011static int
5012bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
5013{
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]5014 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]5015 struct bnx2 *bp = dev->priv;
5016 int err;
5017
5018 switch(cmd) {
5019 case SIOCGMIIPHY:
5020 data->phy_id = bp->phy_addr;
5021
5022 /* fallthru */
5023 case SIOCGMIIREG: {
5024 u32 mii_regval;
5025
5026 spin_lock_irq(&bp->phy_lock);
5027 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
5028 spin_unlock_irq(&bp->phy_lock);
5029
5030 data->val_out = mii_regval;
5031
5032 return err;
5033 }
5034
5035 case SIOCSMIIREG:
5036 if (!capable(CAP_NET_ADMIN))
5037 return -EPERM;
5038
5039 spin_lock_irq(&bp->phy_lock);
5040 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
5041 spin_unlock_irq(&bp->phy_lock);
5042
5043 return err;
5044
5045 default:
5046 /* do nothing */
5047 break;
5048 }
5049 return -EOPNOTSUPP;
5050}
5051
5052/* Called with rtnl_lock */
5053static int
5054bnx2_change_mac_addr(struct net_device *dev, void *p)
5055{
5056 struct sockaddr *addr = p;
5057 struct bnx2 *bp = dev->priv;
5058
5059 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5060 if (netif_running(dev))
5061 bnx2_set_mac_addr(bp);
5062
5063 return 0;
5064}
5065
5066/* Called with rtnl_lock */
5067static int
5068bnx2_change_mtu(struct net_device *dev, int new_mtu)
5069{
5070 struct bnx2 *bp = dev->priv;
5071
5072 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
5073 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
5074 return -EINVAL;
5075
5076 dev->mtu = new_mtu;
5077 if (netif_running(dev)) {
5078 bnx2_netif_stop(bp);
5079
5080 bnx2_init_nic(bp);
5081
5082 bnx2_netif_start(bp);
5083 }
5084 return 0;
5085}
5086
5087#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5088static void
5089poll_bnx2(struct net_device *dev)
5090{
5091 struct bnx2 *bp = dev->priv;
5092
5093 disable_irq(bp->pdev->irq);
5094 bnx2_interrupt(bp->pdev->irq, dev, NULL);
5095 enable_irq(bp->pdev->irq);
5096}
5097#endif
5098
5099static int __devinit
5100bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
5101{
5102 struct bnx2 *bp;
5103 unsigned long mem_len;
5104 int rc;
5105 u32 reg;
5106
5107 SET_MODULE_OWNER(dev);
5108 SET_NETDEV_DEV(dev, &pdev->dev);
5109 bp = dev->priv;
5110
5111 bp->flags = 0;
5112 bp->phy_flags = 0;
5113
5114 /* enable device (incl. PCI PM wakeup), and bus-mastering */
5115 rc = pci_enable_device(pdev);
5116 if (rc) {
5117 printk(KERN_ERR PFX "Cannot enable PCI device, aborting.");
5118 goto err_out;
5119 }
5120
5121 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
5122 printk(KERN_ERR PFX "Cannot find PCI device base address, "
5123 "aborting.\n");
5124 rc = -ENODEV;
5125 goto err_out_disable;
5126 }
5127
5128 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
5129 if (rc) {
5130 printk(KERN_ERR PFX "Cannot obtain PCI resources, aborting.\n");
5131 goto err_out_disable;
5132 }
5133
5134 pci_set_master(pdev);
5135
5136 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
5137 if (bp->pm_cap == 0) {
5138 printk(KERN_ERR PFX "Cannot find power management capability, "
5139 "aborting.\n");
5140 rc = -EIO;
5141 goto err_out_release;
5142 }
5143
5144 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
5145 if (bp->pcix_cap == 0) {
5146 printk(KERN_ERR PFX "Cannot find PCIX capability, aborting.\n");
5147 rc = -EIO;
5148 goto err_out_release;
5149 }
5150
5151 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
5152 bp->flags |= USING_DAC_FLAG;
5153 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
5154 printk(KERN_ERR PFX "pci_set_consistent_dma_mask "
5155 "failed, aborting.\n");
5156 rc = -EIO;
5157 goto err_out_release;
5158 }
5159 }
5160 else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
5161 printk(KERN_ERR PFX "System does not support DMA, aborting.\n");
5162 rc = -EIO;
5163 goto err_out_release;
5164 }
5165
5166 bp->dev = dev;
5167 bp->pdev = pdev;
5168
5169 spin_lock_init(&bp->phy_lock);
5170 spin_lock_init(&bp->tx_lock);
5171 INIT_WORK(&bp->reset_task, bnx2_reset_task, bp);
5172
5173 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
5174 mem_len = MB_GET_CID_ADDR(17);
5175 dev->mem_end = dev->mem_start + mem_len;
5176 dev->irq = pdev->irq;
5177
5178 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
5179
5180 if (!bp->regview) {
5181 printk(KERN_ERR PFX "Cannot map register space, aborting.\n");
5182 rc = -ENOMEM;
5183 goto err_out_release;
5184 }
5185
5186 /* Configure byte swap and enable write to the reg_window registers.
5187 * Rely on CPU to do target byte swapping on big endian systems
5188 * The chip's target access swapping will not swap all accesses
5189 */
5190 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
5191 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
5192 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
5193
5194 bnx2_set_power_state(bp, 0);
5195
5196 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
5197
5198 bp->phy_addr = 1;
5199
5200 /* Get bus information. */
5201 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
5202 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
5203 u32 clkreg;
5204
5205 bp->flags |= PCIX_FLAG;
5206
5207 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
5208
5209 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
5210 switch (clkreg) {
5211 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
5212 bp->bus_speed_mhz = 133;
5213 break;
5214
5215 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
5216 bp->bus_speed_mhz = 100;
5217 break;
5218
5219 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
5220 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
5221 bp->bus_speed_mhz = 66;
5222 break;
5223
5224 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
5225 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
5226 bp->bus_speed_mhz = 50;
5227 break;
5228
5229 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
5230 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
5231 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
5232 bp->bus_speed_mhz = 33;
5233 break;
5234 }
5235 }
5236 else {
5237 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
5238 bp->bus_speed_mhz = 66;
5239 else
5240 bp->bus_speed_mhz = 33;
5241 }
5242
5243 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
5244 bp->flags |= PCI_32BIT_FLAG;
5245
5246 /* 5706A0 may falsely detect SERR and PERR. */
5247 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5248 reg = REG_RD(bp, PCI_COMMAND);
5249 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
5250 REG_WR(bp, PCI_COMMAND, reg);
5251 }
5252 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
5253 !(bp->flags & PCIX_FLAG)) {
5254
5255 printk(KERN_ERR PFX "5706 A1 can only be used in a PCIX bus, "
5256 "aborting.\n");
5257 goto err_out_unmap;
5258 }
5259
5260 bnx2_init_nvram(bp);
5261
5262 /* Get the permanent MAC address. First we need to make sure the
5263 * firmware is actually running.
5264 */
5265 reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DEV_INFO_SIGNATURE);
5266
5267 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
5268 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
5269 printk(KERN_ERR PFX "Firmware not running, aborting.\n");
5270 rc = -ENODEV;
5271 goto err_out_unmap;
5272 }
5273
5274 bp->fw_ver = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE +
5275 BNX2_DEV_INFO_BC_REV);
5276
5277 reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_PORT_HW_CFG_MAC_UPPER);
5278 bp->mac_addr[0] = (u8) (reg >> 8);
5279 bp->mac_addr[1] = (u8) reg;
5280
5281 reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_PORT_HW_CFG_MAC_LOWER);
5282 bp->mac_addr[2] = (u8) (reg >> 24);
5283 bp->mac_addr[3] = (u8) (reg >> 16);
5284 bp->mac_addr[4] = (u8) (reg >> 8);
5285 bp->mac_addr[5] = (u8) reg;
5286
5287 bp->tx_ring_size = MAX_TX_DESC_CNT;
5288 bp->rx_ring_size = 100;
5289
5290 bp->rx_csum = 1;
5291
5292 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
5293
5294 bp->tx_quick_cons_trip_int = 20;
5295 bp->tx_quick_cons_trip = 20;
5296 bp->tx_ticks_int = 80;
5297 bp->tx_ticks = 80;
5298
5299 bp->rx_quick_cons_trip_int = 6;
5300 bp->rx_quick_cons_trip = 6;
5301 bp->rx_ticks_int = 18;
5302 bp->rx_ticks = 18;
5303
5304 bp->stats_ticks = 1000000 & 0xffff00;
5305
5306 bp->timer_interval = HZ;
5307
5308 /* Disable WOL support if we are running on a SERDES chip. */
5309 if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) {
5310 bp->phy_flags |= PHY_SERDES_FLAG;
5311 bp->flags |= NO_WOL_FLAG;
5312 }
5313
5314 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5315 bp->tx_quick_cons_trip_int =
5316 bp->tx_quick_cons_trip;
5317 bp->tx_ticks_int = bp->tx_ticks;
5318 bp->rx_quick_cons_trip_int =
5319 bp->rx_quick_cons_trip;
5320 bp->rx_ticks_int = bp->rx_ticks;
5321 bp->comp_prod_trip_int = bp->comp_prod_trip;
5322 bp->com_ticks_int = bp->com_ticks;
5323 bp->cmd_ticks_int = bp->cmd_ticks;
5324 }
5325
5326 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
5327 bp->req_line_speed = 0;
5328 if (bp->phy_flags & PHY_SERDES_FLAG) {
5329 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
5330 }
5331 else {
5332 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
5333 }
5334
5335 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
5336
5337 return 0;
5338
5339err_out_unmap:
5340 if (bp->regview) {
5341 iounmap(bp->regview);
5342 }
5343
5344err_out_release:
5345 pci_release_regions(pdev);
5346
5347err_out_disable:
5348 pci_disable_device(pdev);
5349 pci_set_drvdata(pdev, NULL);
5350
5351err_out:
5352 return rc;
5353}
5354
5355static int __devinit
5356bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
5357{
5358 static int version_printed = 0;
5359 struct net_device *dev = NULL;
5360 struct bnx2 *bp;
5361 int rc, i;
5362
5363 if (version_printed++ == 0)
5364 printk(KERN_INFO "%s", version);
5365
5366 /* dev zeroed in init_etherdev */
5367 dev = alloc_etherdev(sizeof(*bp));
5368
5369 if (!dev)
5370 return -ENOMEM;
5371
5372 rc = bnx2_init_board(pdev, dev);
5373 if (rc < 0) {
5374 free_netdev(dev);
5375 return rc;
5376 }
5377
5378 dev->open = bnx2_open;
5379 dev->hard_start_xmit = bnx2_start_xmit;
5380 dev->stop = bnx2_close;
5381 dev->get_stats = bnx2_get_stats;
5382 dev->set_multicast_list = bnx2_set_rx_mode;
5383 dev->do_ioctl = bnx2_ioctl;
5384 dev->set_mac_address = bnx2_change_mac_addr;
5385 dev->change_mtu = bnx2_change_mtu;
5386 dev->tx_timeout = bnx2_tx_timeout;
5387 dev->watchdog_timeo = TX_TIMEOUT;
5388#ifdef BCM_VLAN
5389 dev->vlan_rx_register = bnx2_vlan_rx_register;
5390 dev->vlan_rx_kill_vid = bnx2_vlan_rx_kill_vid;
5391#endif
5392 dev->poll = bnx2_poll;
5393 dev->ethtool_ops = &bnx2_ethtool_ops;
5394 dev->weight = 64;
5395
5396 bp = dev->priv;
5397
5398#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5399 dev->poll_controller = poll_bnx2;
5400#endif
5401
5402 if ((rc = register_netdev(dev))) {
5403 printk(KERN_ERR PFX "Cannot register net device\n");
5404 if (bp->regview)
5405 iounmap(bp->regview);
5406 pci_release_regions(pdev);
5407 pci_disable_device(pdev);
5408 pci_set_drvdata(pdev, NULL);
5409 free_netdev(dev);
5410 return rc;
5411 }
5412
5413 pci_set_drvdata(pdev, dev);
5414
5415 memcpy(dev->dev_addr, bp->mac_addr, 6);
5416 bp->name = board_info[ent->driver_data].name,
5417 printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz found at mem %lx, "
5418 "IRQ %d, ",
5419 dev->name,
5420 bp->name,
5421 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
5422 ((CHIP_ID(bp) & 0x0ff0) >> 4),
5423 ((bp->flags & PCIX_FLAG) ? "-X" : ""),
5424 ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
5425 bp->bus_speed_mhz,
5426 dev->base_addr,
5427 bp->pdev->irq);
5428
5429 printk("node addr ");
5430 for (i = 0; i < 6; i++)
5431 printk("%2.2x", dev->dev_addr[i]);
5432 printk("\n");
5433
5434 dev->features |= NETIF_F_SG;
5435 if (bp->flags & USING_DAC_FLAG)
5436 dev->features |= NETIF_F_HIGHDMA;
5437 dev->features |= NETIF_F_IP_CSUM;
5438#ifdef BCM_VLAN
5439 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
5440#endif
5441#ifdef BCM_TSO
5442 dev->features |= NETIF_F_TSO;
5443#endif
5444
5445 netif_carrier_off(bp->dev);
5446
5447 return 0;
5448}
5449
5450static void __devexit
5451bnx2_remove_one(struct pci_dev *pdev)
5452{
5453 struct net_device *dev = pci_get_drvdata(pdev);
5454 struct bnx2 *bp = dev->priv;
5455
5456 unregister_netdev(dev);
5457
5458 if (bp->regview)
5459 iounmap(bp->regview);
5460
5461 free_netdev(dev);
5462 pci_release_regions(pdev);
5463 pci_disable_device(pdev);
5464 pci_set_drvdata(pdev, NULL);
5465}
5466
5467static int
5468bnx2_suspend(struct pci_dev *pdev, u32 state)
5469{
5470 struct net_device *dev = pci_get_drvdata(pdev);
5471 struct bnx2 *bp = dev->priv;
5472 u32 reset_code;
5473
5474 if (!netif_running(dev))
5475 return 0;
5476
5477 bnx2_netif_stop(bp);
5478 netif_device_detach(dev);
5479 del_timer_sync(&bp->timer);
5480 if (bp->wol)
5481 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5482 else
5483 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5484 bnx2_reset_chip(bp, reset_code);
5485 bnx2_free_skbs(bp);
5486 bnx2_set_power_state(bp, state);
5487 return 0;
5488}
5489
5490static int
5491bnx2_resume(struct pci_dev *pdev)
5492{
5493 struct net_device *dev = pci_get_drvdata(pdev);
5494 struct bnx2 *bp = dev->priv;
5495
5496 if (!netif_running(dev))
5497 return 0;
5498
5499 bnx2_set_power_state(bp, 0);
5500 netif_device_attach(dev);
5501 bnx2_init_nic(bp);
5502 bnx2_netif_start(bp);
5503 return 0;
5504}
5505
5506static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -0700[diff] [blame]5507 .name = DRV_MODULE_NAME,
5508 .id_table = bnx2_pci_tbl,
5509 .probe = bnx2_init_one,
5510 .remove = __devexit_p(bnx2_remove_one),
5511 .suspend = bnx2_suspend,
5512 .resume = bnx2_resume,
Michael Chanb6016b72005-05-26 13:03:09 -0700[diff] [blame]5513};
5514
5515static int __init bnx2_init(void)
5516{
5517 return pci_module_init(&bnx2_pci_driver);
5518}
5519
5520static void __exit bnx2_cleanup(void)
5521{
5522 pci_unregister_driver(&bnx2_pci_driver);
5523}
5524
5525module_init(bnx2_init);
5526module_exit(bnx2_cleanup);
5527
5528
5529