drivers/net: Remove pointless checks for NULL prior to calling kfree()
[linux-2.6.git] / drivers / net / bnx2.c
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      "1.2.21"
18 #define DRV_MODULE_RELDATE      "September 7, 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
25 static char version[] __devinitdata =
26         "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
27
28 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
29 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706 Driver");
30 MODULE_LICENSE("GPL");
31 MODULE_VERSION(DRV_MODULE_VERSION);
32
33 static int disable_msi = 0;
34
35 module_param(disable_msi, int, 0);
36 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
37
38 typedef enum {
39         BCM5706 = 0,
40         NC370T,
41         NC370I,
42         BCM5706S,
43         NC370F,
44 } board_t;
45
46 /* indexed by board_t, above */
47 static 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" },
55         };
56
57 static 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
71 static 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
108 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
109
110 static inline u32 bnx2_tx_avail(struct bnx2 *bp)
111 {
112         u32 diff = TX_RING_IDX(bp->tx_prod) - TX_RING_IDX(bp->tx_cons);
113
114         if (diff > MAX_TX_DESC_CNT)
115                 diff = (diff & MAX_TX_DESC_CNT) - 1;
116         return (bp->tx_ring_size - diff);
117 }
118
119 static u32
120 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
121 {
122         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
123         return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
124 }
125
126 static void
127 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
128 {
129         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
130         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
131 }
132
133 static void
134 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
135 {
136         offset += cid_addr;
137         REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
138         REG_WR(bp, BNX2_CTX_DATA, val);
139 }
140
141 static int
142 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
143 {
144         u32 val1;
145         int i, ret;
146
147         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
148                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
149                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
150
151                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
152                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
153
154                 udelay(40);
155         }
156
157         val1 = (bp->phy_addr << 21) | (reg << 16) |
158                 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
159                 BNX2_EMAC_MDIO_COMM_START_BUSY;
160         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
161
162         for (i = 0; i < 50; i++) {
163                 udelay(10);
164
165                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
166                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
167                         udelay(5);
168
169                         val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
170                         val1 &= BNX2_EMAC_MDIO_COMM_DATA;
171
172                         break;
173                 }
174         }
175
176         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
177                 *val = 0x0;
178                 ret = -EBUSY;
179         }
180         else {
181                 *val = val1;
182                 ret = 0;
183         }
184
185         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
186                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
187                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
188
189                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
190                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
191
192                 udelay(40);
193         }
194
195         return ret;
196 }
197
198 static int
199 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
200 {
201         u32 val1;
202         int i, ret;
203
204         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
205                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
206                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
207
208                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
209                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
210
211                 udelay(40);
212         }
213
214         val1 = (bp->phy_addr << 21) | (reg << 16) | val |
215                 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
216                 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
217         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
218     
219         for (i = 0; i < 50; i++) {
220                 udelay(10);
221
222                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
223                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
224                         udelay(5);
225                         break;
226                 }
227         }
228
229         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
230                 ret = -EBUSY;
231         else
232                 ret = 0;
233
234         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
235                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
236                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
237
238                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
239                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
240
241                 udelay(40);
242         }
243
244         return ret;
245 }
246
247 static void
248 bnx2_disable_int(struct bnx2 *bp)
249 {
250         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
251                BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
252         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
253 }
254
255 static void
256 bnx2_enable_int(struct bnx2 *bp)
257 {
258         u32 val;
259
260         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
261                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
262
263         val = REG_RD(bp, BNX2_HC_COMMAND);
264         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
265 }
266
267 static void
268 bnx2_disable_int_sync(struct bnx2 *bp)
269 {
270         atomic_inc(&bp->intr_sem);
271         bnx2_disable_int(bp);
272         synchronize_irq(bp->pdev->irq);
273 }
274
275 static void
276 bnx2_netif_stop(struct bnx2 *bp)
277 {
278         bnx2_disable_int_sync(bp);
279         if (netif_running(bp->dev)) {
280                 netif_poll_disable(bp->dev);
281                 netif_tx_disable(bp->dev);
282                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
283         }
284 }
285
286 static void
287 bnx2_netif_start(struct bnx2 *bp)
288 {
289         if (atomic_dec_and_test(&bp->intr_sem)) {
290                 if (netif_running(bp->dev)) {
291                         netif_wake_queue(bp->dev);
292                         netif_poll_enable(bp->dev);
293                         bnx2_enable_int(bp);
294                 }
295         }
296 }
297
298 static void
299 bnx2_free_mem(struct bnx2 *bp)
300 {
301         if (bp->stats_blk) {
302                 pci_free_consistent(bp->pdev, sizeof(struct statistics_block),
303                                     bp->stats_blk, bp->stats_blk_mapping);
304                 bp->stats_blk = NULL;
305         }
306         if (bp->status_blk) {
307                 pci_free_consistent(bp->pdev, sizeof(struct status_block),
308                                     bp->status_blk, bp->status_blk_mapping);
309                 bp->status_blk = NULL;
310         }
311         if (bp->tx_desc_ring) {
312                 pci_free_consistent(bp->pdev,
313                                     sizeof(struct tx_bd) * TX_DESC_CNT,
314                                     bp->tx_desc_ring, bp->tx_desc_mapping);
315                 bp->tx_desc_ring = NULL;
316         }
317         kfree(bp->tx_buf_ring);
318         bp->tx_buf_ring = NULL;
319         if (bp->rx_desc_ring) {
320                 pci_free_consistent(bp->pdev,
321                                     sizeof(struct rx_bd) * RX_DESC_CNT,
322                                     bp->rx_desc_ring, bp->rx_desc_mapping);
323                 bp->rx_desc_ring = NULL;
324         }
325         kfree(bp->rx_buf_ring);
326         bp->rx_buf_ring = NULL;
327 }
328
329 static int
330 bnx2_alloc_mem(struct bnx2 *bp)
331 {
332         bp->tx_buf_ring = kmalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
333                                      GFP_KERNEL);
334         if (bp->tx_buf_ring == NULL)
335                 return -ENOMEM;
336
337         memset(bp->tx_buf_ring, 0, sizeof(struct sw_bd) * TX_DESC_CNT);
338         bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
339                                                 sizeof(struct tx_bd) *
340                                                 TX_DESC_CNT,
341                                                 &bp->tx_desc_mapping);
342         if (bp->tx_desc_ring == NULL)
343                 goto alloc_mem_err;
344
345         bp->rx_buf_ring = kmalloc(sizeof(struct sw_bd) * RX_DESC_CNT,
346                                      GFP_KERNEL);
347         if (bp->rx_buf_ring == NULL)
348                 goto alloc_mem_err;
349
350         memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT);
351         bp->rx_desc_ring = pci_alloc_consistent(bp->pdev,
352                                                 sizeof(struct rx_bd) *
353                                                 RX_DESC_CNT,
354                                                 &bp->rx_desc_mapping);
355         if (bp->rx_desc_ring == NULL)
356                 goto alloc_mem_err;
357
358         bp->status_blk = pci_alloc_consistent(bp->pdev,
359                                               sizeof(struct status_block),
360                                               &bp->status_blk_mapping);
361         if (bp->status_blk == NULL)
362                 goto alloc_mem_err;
363
364         memset(bp->status_blk, 0, sizeof(struct status_block));
365
366         bp->stats_blk = pci_alloc_consistent(bp->pdev,
367                                              sizeof(struct statistics_block),
368                                              &bp->stats_blk_mapping);
369         if (bp->stats_blk == NULL)
370                 goto alloc_mem_err;
371
372         memset(bp->stats_blk, 0, sizeof(struct statistics_block));
373
374         return 0;
375
376 alloc_mem_err:
377         bnx2_free_mem(bp);
378         return -ENOMEM;
379 }
380
381 static void
382 bnx2_report_link(struct bnx2 *bp)
383 {
384         if (bp->link_up) {
385                 netif_carrier_on(bp->dev);
386                 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
387
388                 printk("%d Mbps ", bp->line_speed);
389
390                 if (bp->duplex == DUPLEX_FULL)
391                         printk("full duplex");
392                 else
393                         printk("half duplex");
394
395                 if (bp->flow_ctrl) {
396                         if (bp->flow_ctrl & FLOW_CTRL_RX) {
397                                 printk(", receive ");
398                                 if (bp->flow_ctrl & FLOW_CTRL_TX)
399                                         printk("& transmit ");
400                         }
401                         else {
402                                 printk(", transmit ");
403                         }
404                         printk("flow control ON");
405                 }
406                 printk("\n");
407         }
408         else {
409                 netif_carrier_off(bp->dev);
410                 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
411         }
412 }
413
414 static void
415 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
416 {
417         u32 local_adv, remote_adv;
418
419         bp->flow_ctrl = 0;
420         if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) != 
421                 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
422
423                 if (bp->duplex == DUPLEX_FULL) {
424                         bp->flow_ctrl = bp->req_flow_ctrl;
425                 }
426                 return;
427         }
428
429         if (bp->duplex != DUPLEX_FULL) {
430                 return;
431         }
432
433         bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
434         bnx2_read_phy(bp, MII_LPA, &remote_adv);
435
436         if (bp->phy_flags & PHY_SERDES_FLAG) {
437                 u32 new_local_adv = 0;
438                 u32 new_remote_adv = 0;
439
440                 if (local_adv & ADVERTISE_1000XPAUSE)
441                         new_local_adv |= ADVERTISE_PAUSE_CAP;
442                 if (local_adv & ADVERTISE_1000XPSE_ASYM)
443                         new_local_adv |= ADVERTISE_PAUSE_ASYM;
444                 if (remote_adv & ADVERTISE_1000XPAUSE)
445                         new_remote_adv |= ADVERTISE_PAUSE_CAP;
446                 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
447                         new_remote_adv |= ADVERTISE_PAUSE_ASYM;
448
449                 local_adv = new_local_adv;
450                 remote_adv = new_remote_adv;
451         }
452
453         /* See Table 28B-3 of 802.3ab-1999 spec. */
454         if (local_adv & ADVERTISE_PAUSE_CAP) {
455                 if(local_adv & ADVERTISE_PAUSE_ASYM) {
456                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
457                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
458                         }
459                         else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
460                                 bp->flow_ctrl = FLOW_CTRL_RX;
461                         }
462                 }
463                 else {
464                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
465                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
466                         }
467                 }
468         }
469         else if (local_adv & ADVERTISE_PAUSE_ASYM) {
470                 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
471                         (remote_adv & ADVERTISE_PAUSE_ASYM)) {
472
473                         bp->flow_ctrl = FLOW_CTRL_TX;
474                 }
475         }
476 }
477
478 static int
479 bnx2_serdes_linkup(struct bnx2 *bp)
480 {
481         u32 bmcr, local_adv, remote_adv, common;
482
483         bp->link_up = 1;
484         bp->line_speed = SPEED_1000;
485
486         bnx2_read_phy(bp, MII_BMCR, &bmcr);
487         if (bmcr & BMCR_FULLDPLX) {
488                 bp->duplex = DUPLEX_FULL;
489         }
490         else {
491                 bp->duplex = DUPLEX_HALF;
492         }
493
494         if (!(bmcr & BMCR_ANENABLE)) {
495                 return 0;
496         }
497
498         bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
499         bnx2_read_phy(bp, MII_LPA, &remote_adv);
500
501         common = local_adv & remote_adv;
502         if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
503
504                 if (common & ADVERTISE_1000XFULL) {
505                         bp->duplex = DUPLEX_FULL;
506                 }
507                 else {
508                         bp->duplex = DUPLEX_HALF;
509                 }
510         }
511
512         return 0;
513 }
514
515 static int
516 bnx2_copper_linkup(struct bnx2 *bp)
517 {
518         u32 bmcr;
519
520         bnx2_read_phy(bp, MII_BMCR, &bmcr);
521         if (bmcr & BMCR_ANENABLE) {
522                 u32 local_adv, remote_adv, common;
523
524                 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
525                 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
526
527                 common = local_adv & (remote_adv >> 2);
528                 if (common & ADVERTISE_1000FULL) {
529                         bp->line_speed = SPEED_1000;
530                         bp->duplex = DUPLEX_FULL;
531                 }
532                 else if (common & ADVERTISE_1000HALF) {
533                         bp->line_speed = SPEED_1000;
534                         bp->duplex = DUPLEX_HALF;
535                 }
536                 else {
537                         bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
538                         bnx2_read_phy(bp, MII_LPA, &remote_adv);
539
540                         common = local_adv & remote_adv;
541                         if (common & ADVERTISE_100FULL) {
542                                 bp->line_speed = SPEED_100;
543                                 bp->duplex = DUPLEX_FULL;
544                         }
545                         else if (common & ADVERTISE_100HALF) {
546                                 bp->line_speed = SPEED_100;
547                                 bp->duplex = DUPLEX_HALF;
548                         }
549                         else if (common & ADVERTISE_10FULL) {
550                                 bp->line_speed = SPEED_10;
551                                 bp->duplex = DUPLEX_FULL;
552                         }
553                         else if (common & ADVERTISE_10HALF) {
554                                 bp->line_speed = SPEED_10;
555                                 bp->duplex = DUPLEX_HALF;
556                         }
557                         else {
558                                 bp->line_speed = 0;
559                                 bp->link_up = 0;
560                         }
561                 }
562         }
563         else {
564                 if (bmcr & BMCR_SPEED100) {
565                         bp->line_speed = SPEED_100;
566                 }
567                 else {
568                         bp->line_speed = SPEED_10;
569                 }
570                 if (bmcr & BMCR_FULLDPLX) {
571                         bp->duplex = DUPLEX_FULL;
572                 }
573                 else {
574                         bp->duplex = DUPLEX_HALF;
575                 }
576         }
577
578         return 0;
579 }
580
581 static int
582 bnx2_set_mac_link(struct bnx2 *bp)
583 {
584         u32 val;
585
586         REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
587         if (bp->link_up && (bp->line_speed == SPEED_1000) &&
588                 (bp->duplex == DUPLEX_HALF)) {
589                 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
590         }
591
592         /* Configure the EMAC mode register. */
593         val = REG_RD(bp, BNX2_EMAC_MODE);
594
595         val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
596                 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK);
597
598         if (bp->link_up) {
599                 if (bp->line_speed != SPEED_1000)
600                         val |= BNX2_EMAC_MODE_PORT_MII;
601                 else
602                         val |= BNX2_EMAC_MODE_PORT_GMII;
603         }
604         else {
605                 val |= BNX2_EMAC_MODE_PORT_GMII;
606         }
607
608         /* Set the MAC to operate in the appropriate duplex mode. */
609         if (bp->duplex == DUPLEX_HALF)
610                 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
611         REG_WR(bp, BNX2_EMAC_MODE, val);
612
613         /* Enable/disable rx PAUSE. */
614         bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
615
616         if (bp->flow_ctrl & FLOW_CTRL_RX)
617                 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
618         REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
619
620         /* Enable/disable tx PAUSE. */
621         val = REG_RD(bp, BNX2_EMAC_TX_MODE);
622         val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
623
624         if (bp->flow_ctrl & FLOW_CTRL_TX)
625                 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
626         REG_WR(bp, BNX2_EMAC_TX_MODE, val);
627
628         /* Acknowledge the interrupt. */
629         REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
630
631         return 0;
632 }
633
634 static int
635 bnx2_set_link(struct bnx2 *bp)
636 {
637         u32 bmsr;
638         u8 link_up;
639
640         if (bp->loopback == MAC_LOOPBACK) {
641                 bp->link_up = 1;
642                 return 0;
643         }
644
645         link_up = bp->link_up;
646
647         bnx2_read_phy(bp, MII_BMSR, &bmsr);
648         bnx2_read_phy(bp, MII_BMSR, &bmsr);
649
650         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
651             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
652                 u32 val;
653
654                 val = REG_RD(bp, BNX2_EMAC_STATUS);
655                 if (val & BNX2_EMAC_STATUS_LINK)
656                         bmsr |= BMSR_LSTATUS;
657                 else
658                         bmsr &= ~BMSR_LSTATUS;
659         }
660
661         if (bmsr & BMSR_LSTATUS) {
662                 bp->link_up = 1;
663
664                 if (bp->phy_flags & PHY_SERDES_FLAG) {
665                         bnx2_serdes_linkup(bp);
666                 }
667                 else {
668                         bnx2_copper_linkup(bp);
669                 }
670                 bnx2_resolve_flow_ctrl(bp);
671         }
672         else {
673                 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
674                         (bp->autoneg & AUTONEG_SPEED)) {
675
676                         u32 bmcr;
677
678                         bnx2_read_phy(bp, MII_BMCR, &bmcr);
679                         if (!(bmcr & BMCR_ANENABLE)) {
680                                 bnx2_write_phy(bp, MII_BMCR, bmcr |
681                                         BMCR_ANENABLE);
682                         }
683                 }
684                 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
685                 bp->link_up = 0;
686         }
687
688         if (bp->link_up != link_up) {
689                 bnx2_report_link(bp);
690         }
691
692         bnx2_set_mac_link(bp);
693
694         return 0;
695 }
696
697 static int
698 bnx2_reset_phy(struct bnx2 *bp)
699 {
700         int i;
701         u32 reg;
702
703         bnx2_write_phy(bp, MII_BMCR, BMCR_RESET);
704
705 #define PHY_RESET_MAX_WAIT 100
706         for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
707                 udelay(10);
708
709                 bnx2_read_phy(bp, MII_BMCR, &reg);
710                 if (!(reg & BMCR_RESET)) {
711                         udelay(20);
712                         break;
713                 }
714         }
715         if (i == PHY_RESET_MAX_WAIT) {
716                 return -EBUSY;
717         }
718         return 0;
719 }
720
721 static u32
722 bnx2_phy_get_pause_adv(struct bnx2 *bp)
723 {
724         u32 adv = 0;
725
726         if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
727                 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
728
729                 if (bp->phy_flags & PHY_SERDES_FLAG) {
730                         adv = ADVERTISE_1000XPAUSE;
731                 }
732                 else {
733                         adv = ADVERTISE_PAUSE_CAP;
734                 }
735         }
736         else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
737                 if (bp->phy_flags & PHY_SERDES_FLAG) {
738                         adv = ADVERTISE_1000XPSE_ASYM;
739                 }
740                 else {
741                         adv = ADVERTISE_PAUSE_ASYM;
742                 }
743         }
744         else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
745                 if (bp->phy_flags & PHY_SERDES_FLAG) {
746                         adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
747                 }
748                 else {
749                         adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
750                 }
751         }
752         return adv;
753 }
754
755 static int
756 bnx2_setup_serdes_phy(struct bnx2 *bp)
757 {
758         u32 adv, bmcr;
759         u32 new_adv = 0;
760
761         if (!(bp->autoneg & AUTONEG_SPEED)) {
762                 u32 new_bmcr;
763
764                 bnx2_read_phy(bp, MII_BMCR, &bmcr);
765                 new_bmcr = bmcr & ~BMCR_ANENABLE;
766                 new_bmcr |= BMCR_SPEED1000;
767                 if (bp->req_duplex == DUPLEX_FULL) {
768                         new_bmcr |= BMCR_FULLDPLX;
769                 }
770                 else {
771                         new_bmcr &= ~BMCR_FULLDPLX;
772                 }
773                 if (new_bmcr != bmcr) {
774                         /* Force a link down visible on the other side */
775                         if (bp->link_up) {
776                                 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
777                                 adv &= ~(ADVERTISE_1000XFULL |
778                                         ADVERTISE_1000XHALF);
779                                 bnx2_write_phy(bp, MII_ADVERTISE, adv);
780                                 bnx2_write_phy(bp, MII_BMCR, bmcr |
781                                         BMCR_ANRESTART | BMCR_ANENABLE);
782
783                                 bp->link_up = 0;
784                                 netif_carrier_off(bp->dev);
785                         }
786                         bnx2_write_phy(bp, MII_BMCR, new_bmcr);
787                 }
788                 return 0;
789         }
790
791         if (bp->advertising & ADVERTISED_1000baseT_Full)
792                 new_adv |= ADVERTISE_1000XFULL;
793
794         new_adv |= bnx2_phy_get_pause_adv(bp);
795
796         bnx2_read_phy(bp, MII_ADVERTISE, &adv);
797         bnx2_read_phy(bp, MII_BMCR, &bmcr);
798
799         bp->serdes_an_pending = 0;
800         if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
801                 /* Force a link down visible on the other side */
802                 if (bp->link_up) {
803                         int i;
804
805                         bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
806                         for (i = 0; i < 110; i++) {
807                                 udelay(100);
808                         }
809                 }
810
811                 bnx2_write_phy(bp, MII_ADVERTISE, new_adv);
812                 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART |
813                         BMCR_ANENABLE);
814                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
815                         /* Speed up link-up time when the link partner
816                          * does not autonegotiate which is very common
817                          * in blade servers. Some blade servers use
818                          * IPMI for kerboard input and it's important
819                          * to minimize link disruptions. Autoneg. involves
820                          * exchanging base pages plus 3 next pages and
821                          * normally completes in about 120 msec.
822                          */
823                         bp->current_interval = SERDES_AN_TIMEOUT;
824                         bp->serdes_an_pending = 1;
825                         mod_timer(&bp->timer, jiffies + bp->current_interval);
826                 }
827         }
828
829         return 0;
830 }
831
832 #define ETHTOOL_ALL_FIBRE_SPEED                                         \
833         (ADVERTISED_1000baseT_Full)
834
835 #define ETHTOOL_ALL_COPPER_SPEED                                        \
836         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |            \
837         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |           \
838         ADVERTISED_1000baseT_Full)
839
840 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
841         ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
842         
843 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
844
845 static int
846 bnx2_setup_copper_phy(struct bnx2 *bp)
847 {
848         u32 bmcr;
849         u32 new_bmcr;
850
851         bnx2_read_phy(bp, MII_BMCR, &bmcr);
852
853         if (bp->autoneg & AUTONEG_SPEED) {
854                 u32 adv_reg, adv1000_reg;
855                 u32 new_adv_reg = 0;
856                 u32 new_adv1000_reg = 0;
857
858                 bnx2_read_phy(bp, MII_ADVERTISE, &adv_reg);
859                 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
860                         ADVERTISE_PAUSE_ASYM);
861
862                 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
863                 adv1000_reg &= PHY_ALL_1000_SPEED;
864
865                 if (bp->advertising & ADVERTISED_10baseT_Half)
866                         new_adv_reg |= ADVERTISE_10HALF;
867                 if (bp->advertising & ADVERTISED_10baseT_Full)
868                         new_adv_reg |= ADVERTISE_10FULL;
869                 if (bp->advertising & ADVERTISED_100baseT_Half)
870                         new_adv_reg |= ADVERTISE_100HALF;
871                 if (bp->advertising & ADVERTISED_100baseT_Full)
872                         new_adv_reg |= ADVERTISE_100FULL;
873                 if (bp->advertising & ADVERTISED_1000baseT_Full)
874                         new_adv1000_reg |= ADVERTISE_1000FULL;
875                 
876                 new_adv_reg |= ADVERTISE_CSMA;
877
878                 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
879
880                 if ((adv1000_reg != new_adv1000_reg) ||
881                         (adv_reg != new_adv_reg) ||
882                         ((bmcr & BMCR_ANENABLE) == 0)) {
883
884                         bnx2_write_phy(bp, MII_ADVERTISE, new_adv_reg);
885                         bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
886                         bnx2_write_phy(bp, MII_BMCR, BMCR_ANRESTART |
887                                 BMCR_ANENABLE);
888                 }
889                 else if (bp->link_up) {
890                         /* Flow ctrl may have changed from auto to forced */
891                         /* or vice-versa. */
892
893                         bnx2_resolve_flow_ctrl(bp);
894                         bnx2_set_mac_link(bp);
895                 }
896                 return 0;
897         }
898
899         new_bmcr = 0;
900         if (bp->req_line_speed == SPEED_100) {
901                 new_bmcr |= BMCR_SPEED100;
902         }
903         if (bp->req_duplex == DUPLEX_FULL) {
904                 new_bmcr |= BMCR_FULLDPLX;
905         }
906         if (new_bmcr != bmcr) {
907                 u32 bmsr;
908                 int i = 0;
909
910                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
911                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
912                 
913                 if (bmsr & BMSR_LSTATUS) {
914                         /* Force link down */
915                         bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
916                         do {
917                                 udelay(100);
918                                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
919                                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
920                                 i++;
921                         } while ((bmsr & BMSR_LSTATUS) && (i < 620));
922                 }
923
924                 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
925
926                 /* Normally, the new speed is setup after the link has
927                  * gone down and up again. In some cases, link will not go
928                  * down so we need to set up the new speed here.
929                  */
930                 if (bmsr & BMSR_LSTATUS) {
931                         bp->line_speed = bp->req_line_speed;
932                         bp->duplex = bp->req_duplex;
933                         bnx2_resolve_flow_ctrl(bp);
934                         bnx2_set_mac_link(bp);
935                 }
936         }
937         return 0;
938 }
939
940 static int
941 bnx2_setup_phy(struct bnx2 *bp)
942 {
943         if (bp->loopback == MAC_LOOPBACK)
944                 return 0;
945
946         if (bp->phy_flags & PHY_SERDES_FLAG) {
947                 return (bnx2_setup_serdes_phy(bp));
948         }
949         else {
950                 return (bnx2_setup_copper_phy(bp));
951         }
952 }
953
954 static int
955 bnx2_init_serdes_phy(struct bnx2 *bp)
956 {
957         bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
958
959         if (CHIP_NUM(bp) == CHIP_NUM_5706) {
960                 REG_WR(bp, BNX2_MISC_UNUSED0, 0x300);
961         }
962
963         if (bp->dev->mtu > 1500) {
964                 u32 val;
965
966                 /* Set extended packet length bit */
967                 bnx2_write_phy(bp, 0x18, 0x7);
968                 bnx2_read_phy(bp, 0x18, &val);
969                 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
970
971                 bnx2_write_phy(bp, 0x1c, 0x6c00);
972                 bnx2_read_phy(bp, 0x1c, &val);
973                 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
974         }
975         else {
976                 u32 val;
977
978                 bnx2_write_phy(bp, 0x18, 0x7);
979                 bnx2_read_phy(bp, 0x18, &val);
980                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
981
982                 bnx2_write_phy(bp, 0x1c, 0x6c00);
983                 bnx2_read_phy(bp, 0x1c, &val);
984                 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
985         }
986
987         return 0;
988 }
989
990 static int
991 bnx2_init_copper_phy(struct bnx2 *bp)
992 {
993         bp->phy_flags |= PHY_CRC_FIX_FLAG;
994
995         if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
996                 bnx2_write_phy(bp, 0x18, 0x0c00);
997                 bnx2_write_phy(bp, 0x17, 0x000a);
998                 bnx2_write_phy(bp, 0x15, 0x310b);
999                 bnx2_write_phy(bp, 0x17, 0x201f);
1000                 bnx2_write_phy(bp, 0x15, 0x9506);
1001                 bnx2_write_phy(bp, 0x17, 0x401f);
1002                 bnx2_write_phy(bp, 0x15, 0x14e2);
1003                 bnx2_write_phy(bp, 0x18, 0x0400);
1004         }
1005
1006         if (bp->dev->mtu > 1500) {
1007                 u32 val;
1008
1009                 /* Set extended packet length bit */
1010                 bnx2_write_phy(bp, 0x18, 0x7);
1011                 bnx2_read_phy(bp, 0x18, &val);
1012                 bnx2_write_phy(bp, 0x18, val | 0x4000);
1013
1014                 bnx2_read_phy(bp, 0x10, &val);
1015                 bnx2_write_phy(bp, 0x10, val | 0x1);
1016         }
1017         else {
1018                 u32 val;
1019
1020                 bnx2_write_phy(bp, 0x18, 0x7);
1021                 bnx2_read_phy(bp, 0x18, &val);
1022                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1023
1024                 bnx2_read_phy(bp, 0x10, &val);
1025                 bnx2_write_phy(bp, 0x10, val & ~0x1);
1026         }
1027
1028         return 0;
1029 }
1030
1031
1032 static int
1033 bnx2_init_phy(struct bnx2 *bp)
1034 {
1035         u32 val;
1036         int rc = 0;
1037
1038         bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
1039         bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
1040
1041         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
1042
1043         bnx2_reset_phy(bp);
1044
1045         bnx2_read_phy(bp, MII_PHYSID1, &val);
1046         bp->phy_id = val << 16;
1047         bnx2_read_phy(bp, MII_PHYSID2, &val);
1048         bp->phy_id |= val & 0xffff;
1049
1050         if (bp->phy_flags & PHY_SERDES_FLAG) {
1051                 rc = bnx2_init_serdes_phy(bp);
1052         }
1053         else {
1054                 rc = bnx2_init_copper_phy(bp);
1055         }
1056
1057         bnx2_setup_phy(bp);
1058
1059         return rc;
1060 }
1061
1062 static int
1063 bnx2_set_mac_loopback(struct bnx2 *bp)
1064 {
1065         u32 mac_mode;
1066
1067         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1068         mac_mode &= ~BNX2_EMAC_MODE_PORT;
1069         mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
1070         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1071         bp->link_up = 1;
1072         return 0;
1073 }
1074
1075 static int
1076 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data)
1077 {
1078         int i;
1079         u32 val;
1080
1081         if (bp->fw_timed_out)
1082                 return -EBUSY;
1083
1084         bp->fw_wr_seq++;
1085         msg_data |= bp->fw_wr_seq;
1086
1087         REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_MB, msg_data);
1088
1089         /* wait for an acknowledgement. */
1090         for (i = 0; i < (FW_ACK_TIME_OUT_MS * 1000)/5; i++) {
1091                 udelay(5);
1092
1093                 val = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_FW_MB);
1094
1095                 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
1096                         break;
1097         }
1098
1099         /* If we timed out, inform the firmware that this is the case. */
1100         if (((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) &&
1101                 ((msg_data & BNX2_DRV_MSG_DATA) != BNX2_DRV_MSG_DATA_WAIT0)) {
1102
1103                 msg_data &= ~BNX2_DRV_MSG_CODE;
1104                 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
1105
1106                 REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_MB, msg_data);
1107
1108                 bp->fw_timed_out = 1;
1109
1110                 return -EBUSY;
1111         }
1112
1113         return 0;
1114 }
1115
1116 static void
1117 bnx2_init_context(struct bnx2 *bp)
1118 {
1119         u32 vcid;
1120
1121         vcid = 96;
1122         while (vcid) {
1123                 u32 vcid_addr, pcid_addr, offset;
1124
1125                 vcid--;
1126
1127                 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
1128                         u32 new_vcid;
1129
1130                         vcid_addr = GET_PCID_ADDR(vcid);
1131                         if (vcid & 0x8) {
1132                                 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
1133                         }
1134                         else {
1135                                 new_vcid = vcid;
1136                         }
1137                         pcid_addr = GET_PCID_ADDR(new_vcid);
1138                 }
1139                 else {
1140                         vcid_addr = GET_CID_ADDR(vcid);
1141                         pcid_addr = vcid_addr;
1142                 }
1143
1144                 REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
1145                 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1146
1147                 /* Zero out the context. */
1148                 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) {
1149                         CTX_WR(bp, 0x00, offset, 0);
1150                 }
1151
1152                 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
1153                 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1154         }
1155 }
1156
1157 static int
1158 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
1159 {
1160         u16 *good_mbuf;
1161         u32 good_mbuf_cnt;
1162         u32 val;
1163
1164         good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
1165         if (good_mbuf == NULL) {
1166                 printk(KERN_ERR PFX "Failed to allocate memory in "
1167                                     "bnx2_alloc_bad_rbuf\n");
1168                 return -ENOMEM;
1169         }
1170
1171         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
1172                 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
1173
1174         good_mbuf_cnt = 0;
1175
1176         /* Allocate a bunch of mbufs and save the good ones in an array. */
1177         val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1178         while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
1179                 REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
1180
1181                 val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
1182
1183                 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
1184
1185                 /* The addresses with Bit 9 set are bad memory blocks. */
1186                 if (!(val & (1 << 9))) {
1187                         good_mbuf[good_mbuf_cnt] = (u16) val;
1188                         good_mbuf_cnt++;
1189                 }
1190
1191                 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1192         }
1193
1194         /* Free the good ones back to the mbuf pool thus discarding
1195          * all the bad ones. */
1196         while (good_mbuf_cnt) {
1197                 good_mbuf_cnt--;
1198
1199                 val = good_mbuf[good_mbuf_cnt];
1200                 val = (val << 9) | val | 1;
1201
1202                 REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
1203         }
1204         kfree(good_mbuf);
1205         return 0;
1206 }
1207
1208 static void
1209 bnx2_set_mac_addr(struct bnx2 *bp) 
1210 {
1211         u32 val;
1212         u8 *mac_addr = bp->dev->dev_addr;
1213
1214         val = (mac_addr[0] << 8) | mac_addr[1];
1215
1216         REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
1217
1218         val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | 
1219                 (mac_addr[4] << 8) | mac_addr[5];
1220
1221         REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
1222 }
1223
1224 static inline int
1225 bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
1226 {
1227         struct sk_buff *skb;
1228         struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
1229         dma_addr_t mapping;
1230         struct rx_bd *rxbd = &bp->rx_desc_ring[index];
1231         unsigned long align;
1232
1233         skb = dev_alloc_skb(bp->rx_buf_size);
1234         if (skb == NULL) {
1235                 return -ENOMEM;
1236         }
1237
1238         if (unlikely((align = (unsigned long) skb->data & 0x7))) {
1239                 skb_reserve(skb, 8 - align);
1240         }
1241
1242         skb->dev = bp->dev;
1243         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1244                 PCI_DMA_FROMDEVICE);
1245
1246         rx_buf->skb = skb;
1247         pci_unmap_addr_set(rx_buf, mapping, mapping);
1248
1249         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
1250         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
1251
1252         bp->rx_prod_bseq += bp->rx_buf_use_size;
1253
1254         return 0;
1255 }
1256
1257 static void
1258 bnx2_phy_int(struct bnx2 *bp)
1259 {
1260         u32 new_link_state, old_link_state;
1261
1262         new_link_state = bp->status_blk->status_attn_bits &
1263                 STATUS_ATTN_BITS_LINK_STATE;
1264         old_link_state = bp->status_blk->status_attn_bits_ack &
1265                 STATUS_ATTN_BITS_LINK_STATE;
1266         if (new_link_state != old_link_state) {
1267                 if (new_link_state) {
1268                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD,
1269                                 STATUS_ATTN_BITS_LINK_STATE);
1270                 }
1271                 else {
1272                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD,
1273                                 STATUS_ATTN_BITS_LINK_STATE);
1274                 }
1275                 bnx2_set_link(bp);
1276         }
1277 }
1278
1279 static void
1280 bnx2_tx_int(struct bnx2 *bp)
1281 {
1282         u16 hw_cons, sw_cons, sw_ring_cons;
1283         int tx_free_bd = 0;
1284
1285         hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
1286         if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1287                 hw_cons++;
1288         }
1289         sw_cons = bp->tx_cons;
1290
1291         while (sw_cons != hw_cons) {
1292                 struct sw_bd *tx_buf;
1293                 struct sk_buff *skb;
1294                 int i, last;
1295
1296                 sw_ring_cons = TX_RING_IDX(sw_cons);
1297
1298                 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
1299                 skb = tx_buf->skb;
1300 #ifdef BCM_TSO 
1301                 /* partial BD completions possible with TSO packets */
1302                 if (skb_shinfo(skb)->tso_size) {
1303                         u16 last_idx, last_ring_idx;
1304
1305                         last_idx = sw_cons +
1306                                 skb_shinfo(skb)->nr_frags + 1;
1307                         last_ring_idx = sw_ring_cons +
1308                                 skb_shinfo(skb)->nr_frags + 1;
1309                         if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
1310                                 last_idx++;
1311                         }
1312                         if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
1313                                 break;
1314                         }
1315                 }
1316 #endif
1317                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
1318                         skb_headlen(skb), PCI_DMA_TODEVICE);
1319
1320                 tx_buf->skb = NULL;
1321                 last = skb_shinfo(skb)->nr_frags;
1322
1323                 for (i = 0; i < last; i++) {
1324                         sw_cons = NEXT_TX_BD(sw_cons);
1325
1326                         pci_unmap_page(bp->pdev,
1327                                 pci_unmap_addr(
1328                                         &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
1329                                         mapping),
1330                                 skb_shinfo(skb)->frags[i].size,
1331                                 PCI_DMA_TODEVICE);
1332                 }
1333
1334                 sw_cons = NEXT_TX_BD(sw_cons);
1335
1336                 tx_free_bd += last + 1;
1337
1338                 dev_kfree_skb_irq(skb);
1339
1340                 hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
1341                 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1342                         hw_cons++;
1343                 }
1344         }
1345
1346         bp->tx_cons = sw_cons;
1347
1348         if (unlikely(netif_queue_stopped(bp->dev))) {
1349                 spin_lock(&bp->tx_lock);
1350                 if ((netif_queue_stopped(bp->dev)) &&
1351                     (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)) {
1352
1353                         netif_wake_queue(bp->dev);
1354                 }
1355                 spin_unlock(&bp->tx_lock);
1356         }
1357 }
1358
1359 static inline void
1360 bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
1361         u16 cons, u16 prod)
1362 {
1363         struct sw_bd *cons_rx_buf = &bp->rx_buf_ring[cons];
1364         struct sw_bd *prod_rx_buf = &bp->rx_buf_ring[prod];
1365         struct rx_bd *cons_bd = &bp->rx_desc_ring[cons];
1366         struct rx_bd *prod_bd = &bp->rx_desc_ring[prod];
1367
1368         pci_dma_sync_single_for_device(bp->pdev,
1369                 pci_unmap_addr(cons_rx_buf, mapping),
1370                 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1371
1372         prod_rx_buf->skb = cons_rx_buf->skb;
1373         pci_unmap_addr_set(prod_rx_buf, mapping,
1374                         pci_unmap_addr(cons_rx_buf, mapping));
1375
1376         memcpy(prod_bd, cons_bd, 8);
1377
1378         bp->rx_prod_bseq += bp->rx_buf_use_size;
1379
1380 }
1381
1382 static int
1383 bnx2_rx_int(struct bnx2 *bp, int budget)
1384 {
1385         u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
1386         struct l2_fhdr *rx_hdr;
1387         int rx_pkt = 0;
1388
1389         hw_cons = bp->status_blk->status_rx_quick_consumer_index0;
1390         if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
1391                 hw_cons++;
1392         }
1393         sw_cons = bp->rx_cons;
1394         sw_prod = bp->rx_prod;
1395
1396         /* Memory barrier necessary as speculative reads of the rx
1397          * buffer can be ahead of the index in the status block
1398          */
1399         rmb();
1400         while (sw_cons != hw_cons) {
1401                 unsigned int len;
1402                 u16 status;
1403                 struct sw_bd *rx_buf;
1404                 struct sk_buff *skb;
1405
1406                 sw_ring_cons = RX_RING_IDX(sw_cons);
1407                 sw_ring_prod = RX_RING_IDX(sw_prod);
1408
1409                 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
1410                 skb = rx_buf->skb;
1411                 pci_dma_sync_single_for_cpu(bp->pdev,
1412                         pci_unmap_addr(rx_buf, mapping),
1413                         bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1414
1415                 rx_hdr = (struct l2_fhdr *) skb->data;
1416                 len = rx_hdr->l2_fhdr_pkt_len - 4;
1417
1418                 if (rx_hdr->l2_fhdr_errors &
1419                         (L2_FHDR_ERRORS_BAD_CRC |
1420                         L2_FHDR_ERRORS_PHY_DECODE |
1421                         L2_FHDR_ERRORS_ALIGNMENT |
1422                         L2_FHDR_ERRORS_TOO_SHORT |
1423                         L2_FHDR_ERRORS_GIANT_FRAME)) {
1424
1425                         goto reuse_rx;
1426                 }
1427
1428                 /* Since we don't have a jumbo ring, copy small packets
1429                  * if mtu > 1500
1430                  */
1431                 if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
1432                         struct sk_buff *new_skb;
1433
1434                         new_skb = dev_alloc_skb(len + 2);
1435                         if (new_skb == NULL)
1436                                 goto reuse_rx;
1437
1438                         /* aligned copy */
1439                         memcpy(new_skb->data,
1440                                 skb->data + bp->rx_offset - 2,
1441                                 len + 2);
1442
1443                         skb_reserve(new_skb, 2);
1444                         skb_put(new_skb, len);
1445                         new_skb->dev = bp->dev;
1446
1447                         bnx2_reuse_rx_skb(bp, skb,
1448                                 sw_ring_cons, sw_ring_prod);
1449
1450                         skb = new_skb;
1451                 }
1452                 else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
1453                         pci_unmap_single(bp->pdev,
1454                                 pci_unmap_addr(rx_buf, mapping),
1455                                 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1456
1457                         skb_reserve(skb, bp->rx_offset);
1458                         skb_put(skb, len);
1459                 }
1460                 else {
1461 reuse_rx:
1462                         bnx2_reuse_rx_skb(bp, skb,
1463                                 sw_ring_cons, sw_ring_prod);
1464                         goto next_rx;
1465                 }
1466
1467                 skb->protocol = eth_type_trans(skb, bp->dev);
1468
1469                 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
1470                         (htons(skb->protocol) != 0x8100)) {
1471
1472                         dev_kfree_skb_irq(skb);
1473                         goto next_rx;
1474
1475                 }
1476
1477                 status = rx_hdr->l2_fhdr_status;
1478                 skb->ip_summed = CHECKSUM_NONE;
1479                 if (bp->rx_csum &&
1480                         (status & (L2_FHDR_STATUS_TCP_SEGMENT |
1481                         L2_FHDR_STATUS_UDP_DATAGRAM))) {
1482
1483                         u16 cksum = rx_hdr->l2_fhdr_tcp_udp_xsum;
1484
1485                         if (cksum == 0xffff)
1486                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1487                 }
1488
1489 #ifdef BCM_VLAN
1490                 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
1491                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1492                                 rx_hdr->l2_fhdr_vlan_tag);
1493                 }
1494                 else
1495 #endif
1496                         netif_receive_skb(skb);
1497
1498                 bp->dev->last_rx = jiffies;
1499                 rx_pkt++;
1500
1501 next_rx:
1502                 rx_buf->skb = NULL;
1503
1504                 sw_cons = NEXT_RX_BD(sw_cons);
1505                 sw_prod = NEXT_RX_BD(sw_prod);
1506
1507                 if ((rx_pkt == budget))
1508                         break;
1509         }
1510         bp->rx_cons = sw_cons;
1511         bp->rx_prod = sw_prod;
1512
1513         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
1514
1515         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
1516
1517         mmiowb();
1518
1519         return rx_pkt;
1520
1521 }
1522
1523 /* MSI ISR - The only difference between this and the INTx ISR
1524  * is that the MSI interrupt is always serviced.
1525  */
1526 static irqreturn_t
1527 bnx2_msi(int irq, void *dev_instance, struct pt_regs *regs)
1528 {
1529         struct net_device *dev = dev_instance;
1530         struct bnx2 *bp = dev->priv;
1531
1532         prefetch(bp->status_blk);
1533         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1534                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1535                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1536
1537         /* Return here if interrupt is disabled. */
1538         if (unlikely(atomic_read(&bp->intr_sem) != 0))
1539                 return IRQ_HANDLED;
1540
1541         netif_rx_schedule(dev);
1542
1543         return IRQ_HANDLED;
1544 }
1545
1546 static irqreturn_t
1547 bnx2_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
1548 {
1549         struct net_device *dev = dev_instance;
1550         struct bnx2 *bp = dev->priv;
1551
1552         /* When using INTx, it is possible for the interrupt to arrive
1553          * at the CPU before the status block posted prior to the
1554          * interrupt. Reading a register will flush the status block.
1555          * When using MSI, the MSI message will always complete after
1556          * the status block write.
1557          */
1558         if ((bp->status_blk->status_idx == bp->last_status_idx) &&
1559             (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
1560              BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
1561                 return IRQ_NONE;
1562
1563         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1564                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1565                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1566
1567         /* Return here if interrupt is shared and is disabled. */
1568         if (unlikely(atomic_read(&bp->intr_sem) != 0))
1569                 return IRQ_HANDLED;
1570
1571         netif_rx_schedule(dev);
1572
1573         return IRQ_HANDLED;
1574 }
1575
1576 static int
1577 bnx2_poll(struct net_device *dev, int *budget)
1578 {
1579         struct bnx2 *bp = dev->priv;
1580         int rx_done = 1;
1581
1582         bp->last_status_idx = bp->status_blk->status_idx;
1583
1584         rmb();
1585         if ((bp->status_blk->status_attn_bits &
1586                 STATUS_ATTN_BITS_LINK_STATE) !=
1587                 (bp->status_blk->status_attn_bits_ack &
1588                 STATUS_ATTN_BITS_LINK_STATE)) {
1589
1590                 spin_lock(&bp->phy_lock);
1591                 bnx2_phy_int(bp);
1592                 spin_unlock(&bp->phy_lock);
1593         }
1594
1595         if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_cons) {
1596                 bnx2_tx_int(bp);
1597         }
1598
1599         if (bp->status_blk->status_rx_quick_consumer_index0 != bp->rx_cons) {
1600                 int orig_budget = *budget;
1601                 int work_done;
1602
1603                 if (orig_budget > dev->quota)
1604                         orig_budget = dev->quota;
1605                 
1606                 work_done = bnx2_rx_int(bp, orig_budget);
1607                 *budget -= work_done;
1608                 dev->quota -= work_done;
1609                 
1610                 if (work_done >= orig_budget) {
1611                         rx_done = 0;
1612                 }
1613         }
1614         
1615         if (rx_done) {
1616                 netif_rx_complete(dev);
1617                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1618                         BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
1619                         bp->last_status_idx);
1620                 return 0;
1621         }
1622
1623         return 1;
1624 }
1625
1626 /* Called with rtnl_lock from vlan functions and also dev->xmit_lock
1627  * from set_multicast.
1628  */
1629 static void
1630 bnx2_set_rx_mode(struct net_device *dev)
1631 {
1632         struct bnx2 *bp = dev->priv;
1633         u32 rx_mode, sort_mode;
1634         int i;
1635
1636         spin_lock_bh(&bp->phy_lock);
1637
1638         rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
1639                                   BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
1640         sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
1641 #ifdef BCM_VLAN
1642         if (!bp->vlgrp) {
1643                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1644         }
1645 #else
1646         rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1647 #endif
1648         if (dev->flags & IFF_PROMISC) {
1649                 /* Promiscuous mode. */
1650                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
1651                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN;
1652         }
1653         else if (dev->flags & IFF_ALLMULTI) {
1654                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1655                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1656                                0xffffffff);
1657                 }
1658                 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
1659         }
1660         else {
1661                 /* Accept one or more multicast(s). */
1662                 struct dev_mc_list *mclist;
1663                 u32 mc_filter[NUM_MC_HASH_REGISTERS];
1664                 u32 regidx;
1665                 u32 bit;
1666                 u32 crc;
1667
1668                 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
1669
1670                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
1671                      i++, mclist = mclist->next) {
1672
1673                         crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
1674                         bit = crc & 0xff;
1675                         regidx = (bit & 0xe0) >> 5;
1676                         bit &= 0x1f;
1677                         mc_filter[regidx] |= (1 << bit);
1678                 }
1679
1680                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1681                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1682                                mc_filter[i]);
1683                 }
1684
1685                 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
1686         }
1687
1688         if (rx_mode != bp->rx_mode) {
1689                 bp->rx_mode = rx_mode;
1690                 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
1691         }
1692
1693         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
1694         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
1695         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
1696
1697         spin_unlock_bh(&bp->phy_lock);
1698 }
1699
1700 static void
1701 load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
1702         u32 rv2p_proc)
1703 {
1704         int i;
1705         u32 val;
1706
1707
1708         for (i = 0; i < rv2p_code_len; i += 8) {
1709                 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, *rv2p_code);
1710                 rv2p_code++;
1711                 REG_WR(bp, BNX2_RV2P_INSTR_LOW, *rv2p_code);
1712                 rv2p_code++;
1713
1714                 if (rv2p_proc == RV2P_PROC1) {
1715                         val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
1716                         REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
1717                 }
1718                 else {
1719                         val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
1720                         REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
1721                 }
1722         }
1723
1724         /* Reset the processor, un-stall is done later. */
1725         if (rv2p_proc == RV2P_PROC1) {
1726                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
1727         }
1728         else {
1729                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
1730         }
1731 }
1732
1733 static void
1734 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
1735 {
1736         u32 offset;
1737         u32 val;
1738
1739         /* Halt the CPU. */
1740         val = REG_RD_IND(bp, cpu_reg->mode);
1741         val |= cpu_reg->mode_value_halt;
1742         REG_WR_IND(bp, cpu_reg->mode, val);
1743         REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
1744
1745         /* Load the Text area. */
1746         offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
1747         if (fw->text) {
1748                 int j;
1749
1750                 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
1751                         REG_WR_IND(bp, offset, fw->text[j]);
1752                 }
1753         }
1754
1755         /* Load the Data area. */
1756         offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
1757         if (fw->data) {
1758                 int j;
1759
1760                 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
1761                         REG_WR_IND(bp, offset, fw->data[j]);
1762                 }
1763         }
1764
1765         /* Load the SBSS area. */
1766         offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
1767         if (fw->sbss) {
1768                 int j;
1769
1770                 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
1771                         REG_WR_IND(bp, offset, fw->sbss[j]);
1772                 }
1773         }
1774
1775         /* Load the BSS area. */
1776         offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
1777         if (fw->bss) {
1778                 int j;
1779
1780                 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
1781                         REG_WR_IND(bp, offset, fw->bss[j]);
1782                 }
1783         }
1784
1785         /* Load the Read-Only area. */
1786         offset = cpu_reg->spad_base +
1787                 (fw->rodata_addr - cpu_reg->mips_view_base);
1788         if (fw->rodata) {
1789                 int j;
1790
1791                 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
1792                         REG_WR_IND(bp, offset, fw->rodata[j]);
1793                 }
1794         }
1795
1796         /* Clear the pre-fetch instruction. */
1797         REG_WR_IND(bp, cpu_reg->inst, 0);
1798         REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
1799
1800         /* Start the CPU. */
1801         val = REG_RD_IND(bp, cpu_reg->mode);
1802         val &= ~cpu_reg->mode_value_halt;
1803         REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
1804         REG_WR_IND(bp, cpu_reg->mode, val);
1805 }
1806
1807 static void
1808 bnx2_init_cpus(struct bnx2 *bp)
1809 {
1810         struct cpu_reg cpu_reg;
1811         struct fw_info fw;
1812
1813         /* Initialize the RV2P processor. */
1814         load_rv2p_fw(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), RV2P_PROC1);
1815         load_rv2p_fw(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), RV2P_PROC2);
1816
1817         /* Initialize the RX Processor. */
1818         cpu_reg.mode = BNX2_RXP_CPU_MODE;
1819         cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
1820         cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
1821         cpu_reg.state = BNX2_RXP_CPU_STATE;
1822         cpu_reg.state_value_clear = 0xffffff;
1823         cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
1824         cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
1825         cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
1826         cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
1827         cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
1828         cpu_reg.spad_base = BNX2_RXP_SCRATCH;
1829         cpu_reg.mips_view_base = 0x8000000;
1830     
1831         fw.ver_major = bnx2_RXP_b06FwReleaseMajor;
1832         fw.ver_minor = bnx2_RXP_b06FwReleaseMinor;
1833         fw.ver_fix = bnx2_RXP_b06FwReleaseFix;
1834         fw.start_addr = bnx2_RXP_b06FwStartAddr;
1835
1836         fw.text_addr = bnx2_RXP_b06FwTextAddr;
1837         fw.text_len = bnx2_RXP_b06FwTextLen;
1838         fw.text_index = 0;
1839         fw.text = bnx2_RXP_b06FwText;
1840
1841         fw.data_addr = bnx2_RXP_b06FwDataAddr;
1842         fw.data_len = bnx2_RXP_b06FwDataLen;
1843         fw.data_index = 0;
1844         fw.data = bnx2_RXP_b06FwData;
1845
1846         fw.sbss_addr = bnx2_RXP_b06FwSbssAddr;
1847         fw.sbss_len = bnx2_RXP_b06FwSbssLen;
1848         fw.sbss_index = 0;
1849         fw.sbss = bnx2_RXP_b06FwSbss;
1850
1851         fw.bss_addr = bnx2_RXP_b06FwBssAddr;
1852         fw.bss_len = bnx2_RXP_b06FwBssLen;
1853         fw.bss_index = 0;
1854         fw.bss = bnx2_RXP_b06FwBss;
1855
1856         fw.rodata_addr = bnx2_RXP_b06FwRodataAddr;
1857         fw.rodata_len = bnx2_RXP_b06FwRodataLen;
1858         fw.rodata_index = 0;
1859         fw.rodata = bnx2_RXP_b06FwRodata;
1860
1861         load_cpu_fw(bp, &cpu_reg, &fw);
1862
1863         /* Initialize the TX Processor. */
1864         cpu_reg.mode = BNX2_TXP_CPU_MODE;
1865         cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
1866         cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
1867         cpu_reg.state = BNX2_TXP_CPU_STATE;
1868         cpu_reg.state_value_clear = 0xffffff;
1869         cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
1870         cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
1871         cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
1872         cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
1873         cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
1874         cpu_reg.spad_base = BNX2_TXP_SCRATCH;
1875         cpu_reg.mips_view_base = 0x8000000;
1876     
1877         fw.ver_major = bnx2_TXP_b06FwReleaseMajor;
1878         fw.ver_minor = bnx2_TXP_b06FwReleaseMinor;
1879         fw.ver_fix = bnx2_TXP_b06FwReleaseFix;
1880         fw.start_addr = bnx2_TXP_b06FwStartAddr;
1881
1882         fw.text_addr = bnx2_TXP_b06FwTextAddr;
1883         fw.text_len = bnx2_TXP_b06FwTextLen;
1884         fw.text_index = 0;
1885         fw.text = bnx2_TXP_b06FwText;
1886
1887         fw.data_addr = bnx2_TXP_b06FwDataAddr;
1888         fw.data_len = bnx2_TXP_b06FwDataLen;
1889         fw.data_index = 0;
1890         fw.data = bnx2_TXP_b06FwData;
1891
1892         fw.sbss_addr = bnx2_TXP_b06FwSbssAddr;
1893         fw.sbss_len = bnx2_TXP_b06FwSbssLen;
1894         fw.sbss_index = 0;
1895         fw.sbss = bnx2_TXP_b06FwSbss;
1896
1897         fw.bss_addr = bnx2_TXP_b06FwBssAddr;
1898         fw.bss_len = bnx2_TXP_b06FwBssLen;
1899         fw.bss_index = 0;
1900         fw.bss = bnx2_TXP_b06FwBss;
1901
1902         fw.rodata_addr = bnx2_TXP_b06FwRodataAddr;
1903         fw.rodata_len = bnx2_TXP_b06FwRodataLen;
1904         fw.rodata_index = 0;
1905         fw.rodata = bnx2_TXP_b06FwRodata;
1906
1907         load_cpu_fw(bp, &cpu_reg, &fw);
1908
1909         /* Initialize the TX Patch-up Processor. */
1910         cpu_reg.mode = BNX2_TPAT_CPU_MODE;
1911         cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
1912         cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
1913         cpu_reg.state = BNX2_TPAT_CPU_STATE;
1914         cpu_reg.state_value_clear = 0xffffff;
1915         cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
1916         cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
1917         cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
1918         cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
1919         cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
1920         cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
1921         cpu_reg.mips_view_base = 0x8000000;
1922     
1923         fw.ver_major = bnx2_TPAT_b06FwReleaseMajor;
1924         fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor;
1925         fw.ver_fix = bnx2_TPAT_b06FwReleaseFix;
1926         fw.start_addr = bnx2_TPAT_b06FwStartAddr;
1927
1928         fw.text_addr = bnx2_TPAT_b06FwTextAddr;
1929         fw.text_len = bnx2_TPAT_b06FwTextLen;
1930         fw.text_index = 0;
1931         fw.text = bnx2_TPAT_b06FwText;
1932
1933         fw.data_addr = bnx2_TPAT_b06FwDataAddr;
1934         fw.data_len = bnx2_TPAT_b06FwDataLen;
1935         fw.data_index = 0;
1936         fw.data = bnx2_TPAT_b06FwData;
1937
1938         fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr;
1939         fw.sbss_len = bnx2_TPAT_b06FwSbssLen;
1940         fw.sbss_index = 0;
1941         fw.sbss = bnx2_TPAT_b06FwSbss;
1942
1943         fw.bss_addr = bnx2_TPAT_b06FwBssAddr;
1944         fw.bss_len = bnx2_TPAT_b06FwBssLen;
1945         fw.bss_index = 0;
1946         fw.bss = bnx2_TPAT_b06FwBss;
1947
1948         fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr;
1949         fw.rodata_len = bnx2_TPAT_b06FwRodataLen;
1950         fw.rodata_index = 0;
1951         fw.rodata = bnx2_TPAT_b06FwRodata;
1952
1953         load_cpu_fw(bp, &cpu_reg, &fw);
1954
1955         /* Initialize the Completion Processor. */
1956         cpu_reg.mode = BNX2_COM_CPU_MODE;
1957         cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
1958         cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
1959         cpu_reg.state = BNX2_COM_CPU_STATE;
1960         cpu_reg.state_value_clear = 0xffffff;
1961         cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
1962         cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
1963         cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
1964         cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
1965         cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
1966         cpu_reg.spad_base = BNX2_COM_SCRATCH;
1967         cpu_reg.mips_view_base = 0x8000000;
1968     
1969         fw.ver_major = bnx2_COM_b06FwReleaseMajor;
1970         fw.ver_minor = bnx2_COM_b06FwReleaseMinor;
1971         fw.ver_fix = bnx2_COM_b06FwReleaseFix;
1972         fw.start_addr = bnx2_COM_b06FwStartAddr;
1973
1974         fw.text_addr = bnx2_COM_b06FwTextAddr;
1975         fw.text_len = bnx2_COM_b06FwTextLen;
1976         fw.text_index = 0;
1977         fw.text = bnx2_COM_b06FwText;
1978
1979         fw.data_addr = bnx2_COM_b06FwDataAddr;
1980         fw.data_len = bnx2_COM_b06FwDataLen;
1981         fw.data_index = 0;
1982         fw.data = bnx2_COM_b06FwData;
1983
1984         fw.sbss_addr = bnx2_COM_b06FwSbssAddr;
1985         fw.sbss_len = bnx2_COM_b06FwSbssLen;
1986         fw.sbss_index = 0;
1987         fw.sbss = bnx2_COM_b06FwSbss;
1988
1989         fw.bss_addr = bnx2_COM_b06FwBssAddr;
1990         fw.bss_len = bnx2_COM_b06FwBssLen;
1991         fw.bss_index = 0;
1992         fw.bss = bnx2_COM_b06FwBss;
1993
1994         fw.rodata_addr = bnx2_COM_b06FwRodataAddr;
1995         fw.rodata_len = bnx2_COM_b06FwRodataLen;
1996         fw.rodata_index = 0;
1997         fw.rodata = bnx2_COM_b06FwRodata;
1998
1999         load_cpu_fw(bp, &cpu_reg, &fw);
2000
2001 }
2002
2003 static int
2004 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
2005 {
2006         u16 pmcsr;
2007
2008         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
2009
2010         switch (state) {
2011         case PCI_D0: {
2012                 u32 val;
2013
2014                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2015                         (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
2016                         PCI_PM_CTRL_PME_STATUS);
2017
2018                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
2019                         /* delay required during transition out of D3hot */
2020                         msleep(20);
2021
2022                 val = REG_RD(bp, BNX2_EMAC_MODE);
2023                 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
2024                 val &= ~BNX2_EMAC_MODE_MPKT;
2025                 REG_WR(bp, BNX2_EMAC_MODE, val);
2026
2027                 val = REG_RD(bp, BNX2_RPM_CONFIG);
2028                 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2029                 REG_WR(bp, BNX2_RPM_CONFIG, val);
2030                 break;
2031         }
2032         case PCI_D3hot: {
2033                 int i;
2034                 u32 val, wol_msg;
2035
2036                 if (bp->wol) {
2037                         u32 advertising;
2038                         u8 autoneg;
2039
2040                         autoneg = bp->autoneg;
2041                         advertising = bp->advertising;
2042
2043                         bp->autoneg = AUTONEG_SPEED;
2044                         bp->advertising = ADVERTISED_10baseT_Half |
2045                                 ADVERTISED_10baseT_Full |
2046                                 ADVERTISED_100baseT_Half |
2047                                 ADVERTISED_100baseT_Full |
2048                                 ADVERTISED_Autoneg;
2049
2050                         bnx2_setup_copper_phy(bp);
2051
2052                         bp->autoneg = autoneg;
2053                         bp->advertising = advertising;
2054
2055                         bnx2_set_mac_addr(bp);
2056
2057                         val = REG_RD(bp, BNX2_EMAC_MODE);
2058
2059                         /* Enable port mode. */
2060                         val &= ~BNX2_EMAC_MODE_PORT;
2061                         val |= BNX2_EMAC_MODE_PORT_MII |
2062                                BNX2_EMAC_MODE_MPKT_RCVD |
2063                                BNX2_EMAC_MODE_ACPI_RCVD |
2064                                BNX2_EMAC_MODE_FORCE_LINK |
2065                                BNX2_EMAC_MODE_MPKT;
2066
2067                         REG_WR(bp, BNX2_EMAC_MODE, val);
2068
2069                         /* receive all multicast */
2070                         for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2071                                 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2072                                        0xffffffff);
2073                         }
2074                         REG_WR(bp, BNX2_EMAC_RX_MODE,
2075                                BNX2_EMAC_RX_MODE_SORT_MODE);
2076
2077                         val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
2078                               BNX2_RPM_SORT_USER0_MC_EN;
2079                         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2080                         REG_WR(bp, BNX2_RPM_SORT_USER0, val);
2081                         REG_WR(bp, BNX2_RPM_SORT_USER0, val |
2082                                BNX2_RPM_SORT_USER0_ENA);
2083
2084                         /* Need to enable EMAC and RPM for WOL. */
2085                         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2086                                BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
2087                                BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
2088                                BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
2089
2090                         val = REG_RD(bp, BNX2_RPM_CONFIG);
2091                         val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2092                         REG_WR(bp, BNX2_RPM_CONFIG, val);
2093
2094                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
2095                 }
2096                 else {
2097                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
2098                 }
2099
2100                 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg);
2101
2102                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
2103                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2104                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
2105
2106                         if (bp->wol)
2107                                 pmcsr |= 3;
2108                 }
2109                 else {
2110                         pmcsr |= 3;
2111                 }
2112                 if (bp->wol) {
2113                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
2114                 }
2115                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2116                                       pmcsr);
2117
2118                 /* No more memory access after this point until
2119                  * device is brought back to D0.
2120                  */
2121                 udelay(50);
2122                 break;
2123         }
2124         default:
2125                 return -EINVAL;
2126         }
2127         return 0;
2128 }
2129
2130 static int
2131 bnx2_acquire_nvram_lock(struct bnx2 *bp)
2132 {
2133         u32 val;
2134         int j;
2135
2136         /* Request access to the flash interface. */
2137         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
2138         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2139                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2140                 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
2141                         break;
2142
2143                 udelay(5);
2144         }
2145
2146         if (j >= NVRAM_TIMEOUT_COUNT)
2147                 return -EBUSY;
2148
2149         return 0;
2150 }
2151
2152 static int
2153 bnx2_release_nvram_lock(struct bnx2 *bp)
2154 {
2155         int j;
2156         u32 val;
2157
2158         /* Relinquish nvram interface. */
2159         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
2160
2161         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2162                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2163                 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
2164                         break;
2165
2166                 udelay(5);
2167         }
2168
2169         if (j >= NVRAM_TIMEOUT_COUNT)
2170                 return -EBUSY;
2171
2172         return 0;
2173 }
2174
2175
2176 static int
2177 bnx2_enable_nvram_write(struct bnx2 *bp)
2178 {
2179         u32 val;
2180
2181         val = REG_RD(bp, BNX2_MISC_CFG);
2182         REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
2183
2184         if (!bp->flash_info->buffered) {
2185                 int j;
2186
2187                 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2188                 REG_WR(bp, BNX2_NVM_COMMAND,
2189                        BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
2190
2191                 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2192                         udelay(5);
2193
2194                         val = REG_RD(bp, BNX2_NVM_COMMAND);
2195                         if (val & BNX2_NVM_COMMAND_DONE)
2196                                 break;
2197                 }
2198
2199                 if (j >= NVRAM_TIMEOUT_COUNT)
2200                         return -EBUSY;
2201         }
2202         return 0;
2203 }
2204
2205 static void
2206 bnx2_disable_nvram_write(struct bnx2 *bp)
2207 {
2208         u32 val;
2209
2210         val = REG_RD(bp, BNX2_MISC_CFG);
2211         REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
2212 }
2213
2214
2215 static void
2216 bnx2_enable_nvram_access(struct bnx2 *bp)
2217 {
2218         u32 val;
2219
2220         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2221         /* Enable both bits, even on read. */
2222         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE, 
2223                val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
2224 }
2225
2226 static void
2227 bnx2_disable_nvram_access(struct bnx2 *bp)
2228 {
2229         u32 val;
2230
2231         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2232         /* Disable both bits, even after read. */
2233         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE, 
2234                 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
2235                         BNX2_NVM_ACCESS_ENABLE_WR_EN));
2236 }
2237
2238 static int
2239 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
2240 {
2241         u32 cmd;
2242         int j;
2243
2244         if (bp->flash_info->buffered)
2245                 /* Buffered flash, no erase needed */
2246                 return 0;
2247
2248         /* Build an erase command */
2249         cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
2250               BNX2_NVM_COMMAND_DOIT;
2251
2252         /* Need to clear DONE bit separately. */
2253         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2254
2255         /* Address of the NVRAM to read from. */
2256         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2257
2258         /* Issue an erase command. */
2259         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2260
2261         /* Wait for completion. */
2262         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2263                 u32 val;
2264
2265                 udelay(5);
2266
2267                 val = REG_RD(bp, BNX2_NVM_COMMAND);
2268                 if (val & BNX2_NVM_COMMAND_DONE)
2269                         break;
2270         }
2271
2272         if (j >= NVRAM_TIMEOUT_COUNT)
2273                 return -EBUSY;
2274
2275         return 0;
2276 }
2277
2278 static int
2279 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
2280 {
2281         u32 cmd;
2282         int j;
2283
2284         /* Build the command word. */
2285         cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
2286
2287         /* Calculate an offset of a buffered flash. */
2288         if (bp->flash_info->buffered) {
2289                 offset = ((offset / bp->flash_info->page_size) <<
2290                            bp->flash_info->page_bits) +
2291                           (offset % bp->flash_info->page_size);
2292         }
2293
2294         /* Need to clear DONE bit separately. */
2295         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2296
2297         /* Address of the NVRAM to read from. */
2298         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2299
2300         /* Issue a read command. */
2301         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2302
2303         /* Wait for completion. */
2304         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2305                 u32 val;
2306
2307                 udelay(5);
2308
2309                 val = REG_RD(bp, BNX2_NVM_COMMAND);
2310                 if (val & BNX2_NVM_COMMAND_DONE) {
2311                         val = REG_RD(bp, BNX2_NVM_READ);
2312
2313                         val = be32_to_cpu(val);
2314                         memcpy(ret_val, &val, 4);
2315                         break;
2316                 }
2317         }
2318         if (j >= NVRAM_TIMEOUT_COUNT)
2319                 return -EBUSY;
2320
2321         return 0;
2322 }
2323
2324
2325 static int
2326 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
2327 {
2328         u32 cmd, val32;
2329         int j;
2330
2331         /* Build the command word. */
2332         cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
2333
2334         /* Calculate an offset of a buffered flash. */
2335         if (bp->flash_info->buffered) {
2336                 offset = ((offset / bp->flash_info->page_size) <<
2337                           bp->flash_info->page_bits) +
2338                          (offset % bp->flash_info->page_size);
2339         }
2340
2341         /* Need to clear DONE bit separately. */
2342         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2343
2344         memcpy(&val32, val, 4);
2345         val32 = cpu_to_be32(val32);
2346
2347         /* Write the data. */
2348         REG_WR(bp, BNX2_NVM_WRITE, val32);
2349
2350         /* Address of the NVRAM to write to. */
2351         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2352
2353         /* Issue the write command. */
2354         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2355
2356         /* Wait for completion. */
2357         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2358                 udelay(5);
2359
2360                 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
2361                         break;
2362         }
2363         if (j >= NVRAM_TIMEOUT_COUNT)
2364                 return -EBUSY;
2365
2366         return 0;
2367 }
2368
2369 static int
2370 bnx2_init_nvram(struct bnx2 *bp)
2371 {
2372         u32 val;
2373         int j, entry_count, rc;
2374         struct flash_spec *flash;
2375
2376         /* Determine the selected interface. */
2377         val = REG_RD(bp, BNX2_NVM_CFG1);
2378
2379         entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
2380
2381         rc = 0;
2382         if (val & 0x40000000) {
2383
2384                 /* Flash interface has been reconfigured */
2385                 for (j = 0, flash = &flash_table[0]; j < entry_count;
2386                         j++, flash++) {
2387
2388                         if (val == flash->config1) {
2389                                 bp->flash_info = flash;
2390                                 break;
2391                         }
2392                 }
2393         }
2394         else {
2395                 /* Not yet been reconfigured */
2396
2397                 for (j = 0, flash = &flash_table[0]; j < entry_count;
2398                         j++, flash++) {
2399
2400                         if ((val & FLASH_STRAP_MASK) == flash->strapping) {
2401                                 bp->flash_info = flash;
2402
2403                                 /* Request access to the flash interface. */
2404                                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2405                                         return rc;
2406
2407                                 /* Enable access to flash interface */
2408                                 bnx2_enable_nvram_access(bp);
2409
2410                                 /* Reconfigure the flash interface */
2411                                 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
2412                                 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
2413                                 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
2414                                 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
2415
2416                                 /* Disable access to flash interface */
2417                                 bnx2_disable_nvram_access(bp);
2418                                 bnx2_release_nvram_lock(bp);
2419
2420                                 break;
2421                         }
2422                 }
2423         } /* if (val & 0x40000000) */
2424
2425         if (j == entry_count) {
2426                 bp->flash_info = NULL;
2427                 printk(KERN_ALERT "Unknown flash/EEPROM type.\n");
2428                 rc = -ENODEV;
2429         }
2430
2431         return rc;
2432 }
2433
2434 static int
2435 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
2436                 int buf_size)
2437 {
2438         int rc = 0;
2439         u32 cmd_flags, offset32, len32, extra;
2440
2441         if (buf_size == 0)
2442                 return 0;
2443
2444         /* Request access to the flash interface. */
2445         if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2446                 return rc;
2447
2448         /* Enable access to flash interface */
2449         bnx2_enable_nvram_access(bp);
2450
2451         len32 = buf_size;
2452         offset32 = offset;
2453         extra = 0;
2454
2455         cmd_flags = 0;
2456
2457         if (offset32 & 3) {
2458                 u8 buf[4];
2459                 u32 pre_len;
2460
2461                 offset32 &= ~3;
2462                 pre_len = 4 - (offset & 3);
2463
2464                 if (pre_len >= len32) {
2465                         pre_len = len32;
2466                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
2467                                     BNX2_NVM_COMMAND_LAST;
2468                 }
2469                 else {
2470                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
2471                 }
2472
2473                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2474
2475                 if (rc)
2476                         return rc;
2477
2478                 memcpy(ret_buf, buf + (offset & 3), pre_len);
2479
2480                 offset32 += 4;
2481                 ret_buf += pre_len;
2482                 len32 -= pre_len;
2483         }
2484         if (len32 & 3) {
2485                 extra = 4 - (len32 & 3);
2486                 len32 = (len32 + 4) & ~3;
2487         }
2488
2489         if (len32 == 4) {
2490                 u8 buf[4];
2491
2492                 if (cmd_flags)
2493                         cmd_flags = BNX2_NVM_COMMAND_LAST;
2494                 else
2495                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
2496                                     BNX2_NVM_COMMAND_LAST;
2497
2498                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2499
2500                 memcpy(ret_buf, buf, 4 - extra);
2501         }
2502         else if (len32 > 0) {
2503                 u8 buf[4];
2504
2505                 /* Read the first word. */
2506                 if (cmd_flags)
2507                         cmd_flags = 0;
2508                 else
2509                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
2510
2511                 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
2512
2513                 /* Advance to the next dword. */
2514                 offset32 += 4;
2515                 ret_buf += 4;
2516                 len32 -= 4;
2517
2518                 while (len32 > 4 && rc == 0) {
2519                         rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
2520
2521                         /* Advance to the next dword. */
2522                         offset32 += 4;
2523                         ret_buf += 4;
2524                         len32 -= 4;
2525                 }
2526
2527                 if (rc)
2528                         return rc;
2529
2530                 cmd_flags = BNX2_NVM_COMMAND_LAST;
2531                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2532
2533                 memcpy(ret_buf, buf, 4 - extra);
2534         }
2535
2536         /* Disable access to flash interface */
2537         bnx2_disable_nvram_access(bp);
2538
2539         bnx2_release_nvram_lock(bp);
2540
2541         return rc;
2542 }
2543
2544 static int
2545 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
2546                 int buf_size)
2547 {
2548         u32 written, offset32, len32;
2549         u8 *buf, start[4], end[4];
2550         int rc = 0;
2551         int align_start, align_end;
2552
2553         buf = data_buf;
2554         offset32 = offset;
2555         len32 = buf_size;
2556         align_start = align_end = 0;
2557
2558         if ((align_start = (offset32 & 3))) {
2559                 offset32 &= ~3;
2560                 len32 += align_start;
2561                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
2562                         return rc;
2563         }
2564
2565         if (len32 & 3) {
2566                 if ((len32 > 4) || !align_start) {
2567                         align_end = 4 - (len32 & 3);
2568                         len32 += align_end;
2569                         if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4,
2570                                 end, 4))) {
2571                                 return rc;
2572                         }
2573                 }
2574         }
2575
2576         if (align_start || align_end) {
2577                 buf = kmalloc(len32, GFP_KERNEL);
2578                 if (buf == 0)
2579                         return -ENOMEM;
2580                 if (align_start) {
2581                         memcpy(buf, start, 4);
2582                 }
2583                 if (align_end) {
2584                         memcpy(buf + len32 - 4, end, 4);
2585                 }
2586                 memcpy(buf + align_start, data_buf, buf_size);
2587         }
2588
2589         written = 0;
2590         while ((written < len32) && (rc == 0)) {
2591                 u32 page_start, page_end, data_start, data_end;
2592                 u32 addr, cmd_flags;
2593                 int i;
2594                 u8 flash_buffer[264];
2595
2596                 /* Find the page_start addr */
2597                 page_start = offset32 + written;
2598                 page_start -= (page_start % bp->flash_info->page_size);
2599                 /* Find the page_end addr */
2600                 page_end = page_start + bp->flash_info->page_size;
2601                 /* Find the data_start addr */
2602                 data_start = (written == 0) ? offset32 : page_start;
2603                 /* Find the data_end addr */
2604                 data_end = (page_end > offset32 + len32) ? 
2605                         (offset32 + len32) : page_end;
2606
2607                 /* Request access to the flash interface. */
2608                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2609                         goto nvram_write_end;
2610
2611                 /* Enable access to flash interface */
2612                 bnx2_enable_nvram_access(bp);
2613
2614                 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2615                 if (bp->flash_info->buffered == 0) {
2616                         int j;
2617
2618                         /* Read the whole page into the buffer
2619                          * (non-buffer flash only) */
2620                         for (j = 0; j < bp->flash_info->page_size; j += 4) {
2621                                 if (j == (bp->flash_info->page_size - 4)) {
2622                                         cmd_flags |= BNX2_NVM_COMMAND_LAST;
2623                                 }
2624                                 rc = bnx2_nvram_read_dword(bp,
2625                                         page_start + j, 
2626                                         &flash_buffer[j], 
2627                                         cmd_flags);
2628
2629                                 if (rc)
2630                                         goto nvram_write_end;
2631
2632                                 cmd_flags = 0;
2633                         }
2634                 }
2635
2636                 /* Enable writes to flash interface (unlock write-protect) */
2637                 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
2638                         goto nvram_write_end;
2639
2640                 /* Erase the page */
2641                 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
2642                         goto nvram_write_end;
2643
2644                 /* Re-enable the write again for the actual write */
2645                 bnx2_enable_nvram_write(bp);
2646
2647                 /* Loop to write back the buffer data from page_start to
2648                  * data_start */
2649                 i = 0;
2650                 if (bp->flash_info->buffered == 0) {
2651                         for (addr = page_start; addr < data_start;
2652                                 addr += 4, i += 4) {
2653                                 
2654                                 rc = bnx2_nvram_write_dword(bp, addr,
2655                                         &flash_buffer[i], cmd_flags);
2656
2657                                 if (rc != 0)
2658                                         goto nvram_write_end;
2659
2660                                 cmd_flags = 0;
2661                         }
2662                 }
2663
2664                 /* Loop to write the new data from data_start to data_end */
2665                 for (addr = data_start; addr < data_end; addr += 4, i++) {
2666                         if ((addr == page_end - 4) ||
2667                                 ((bp->flash_info->buffered) &&
2668                                  (addr == data_end - 4))) {
2669
2670                                 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2671                         }
2672                         rc = bnx2_nvram_write_dword(bp, addr, buf,
2673                                 cmd_flags);
2674
2675                         if (rc != 0)
2676                                 goto nvram_write_end;
2677
2678                         cmd_flags = 0;
2679                         buf += 4;
2680                 }
2681
2682                 /* Loop to write back the buffer data from data_end
2683                  * to page_end */
2684                 if (bp->flash_info->buffered == 0) {
2685                         for (addr = data_end; addr < page_end;
2686                                 addr += 4, i += 4) {
2687                         
2688                                 if (addr == page_end-4) {
2689                                         cmd_flags = BNX2_NVM_COMMAND_LAST;
2690                                 }
2691                                 rc = bnx2_nvram_write_dword(bp, addr,
2692                                         &flash_buffer[i], cmd_flags);
2693
2694                                 if (rc != 0)
2695                                         goto nvram_write_end;
2696
2697                                 cmd_flags = 0;
2698                         }
2699                 }
2700
2701                 /* Disable writes to flash interface (lock write-protect) */
2702                 bnx2_disable_nvram_write(bp);
2703
2704                 /* Disable access to flash interface */
2705                 bnx2_disable_nvram_access(bp);
2706                 bnx2_release_nvram_lock(bp);
2707
2708                 /* Increment written */
2709                 written += data_end - data_start;
2710         }
2711
2712 nvram_write_end:
2713         if (align_start || align_end)
2714                 kfree(buf);
2715         return rc;
2716 }
2717
2718 static int
2719 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
2720 {
2721         u32 val;
2722         int i, rc = 0;
2723
2724         /* Wait for the current PCI transaction to complete before
2725          * issuing a reset. */
2726         REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
2727                BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
2728                BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
2729                BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
2730                BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
2731         val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
2732         udelay(5);
2733
2734         /* Deposit a driver reset signature so the firmware knows that
2735          * this is a soft reset. */
2736         REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_RESET_SIGNATURE,
2737                    BNX2_DRV_RESET_SIGNATURE_MAGIC);
2738
2739         bp->fw_timed_out = 0;
2740
2741         /* Wait for the firmware to tell us it is ok to issue a reset. */
2742         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code);
2743
2744         /* Do a dummy read to force the chip to complete all current transaction
2745          * before we issue a reset. */
2746         val = REG_RD(bp, BNX2_MISC_ID);
2747
2748         val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2749               BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
2750               BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
2751
2752         /* Chip reset. */
2753         REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
2754
2755         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2756             (CHIP_ID(bp) == CHIP_ID_5706_A1))
2757                 msleep(15);
2758
2759         /* Reset takes approximate 30 usec */
2760         for (i = 0; i < 10; i++) {
2761                 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
2762                 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2763                             BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) {
2764                         break;
2765                 }
2766                 udelay(10);
2767         }
2768
2769         if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2770                    BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
2771                 printk(KERN_ERR PFX "Chip reset did not complete\n");
2772                 return -EBUSY;
2773         }
2774
2775         /* Make sure byte swapping is properly configured. */
2776         val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
2777         if (val != 0x01020304) {
2778                 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
2779                 return -ENODEV;
2780         }
2781
2782         bp->fw_timed_out = 0;
2783
2784         /* Wait for the firmware to finish its initialization. */
2785         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code);
2786
2787         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2788                 /* Adjust the voltage regular to two steps lower.  The default
2789                  * of this register is 0x0000000e. */
2790                 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
2791
2792                 /* Remove bad rbuf memory from the free pool. */
2793                 rc = bnx2_alloc_bad_rbuf(bp);
2794         }
2795
2796         return rc;
2797 }
2798
2799 static int
2800 bnx2_init_chip(struct bnx2 *bp)
2801 {
2802         u32 val;
2803
2804         /* Make sure the interrupt is not active. */
2805         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2806
2807         val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
2808               BNX2_DMA_CONFIG_DATA_WORD_SWAP |
2809 #ifdef __BIG_ENDIAN
2810               BNX2_DMA_CONFIG_CNTL_BYTE_SWAP | 
2811 #endif
2812               BNX2_DMA_CONFIG_CNTL_WORD_SWAP | 
2813               DMA_READ_CHANS << 12 |
2814               DMA_WRITE_CHANS << 16;
2815
2816         val |= (0x2 << 20) | (1 << 11);
2817
2818         if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz = 133))
2819                 val |= (1 << 23);
2820
2821         if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
2822             (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
2823                 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
2824
2825         REG_WR(bp, BNX2_DMA_CONFIG, val);
2826
2827         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2828                 val = REG_RD(bp, BNX2_TDMA_CONFIG);
2829                 val |= BNX2_TDMA_CONFIG_ONE_DMA;
2830                 REG_WR(bp, BNX2_TDMA_CONFIG, val);
2831         }
2832
2833         if (bp->flags & PCIX_FLAG) {
2834                 u16 val16;
2835
2836                 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
2837                                      &val16);
2838                 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
2839                                       val16 & ~PCI_X_CMD_ERO);
2840         }
2841
2842         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2843                BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
2844                BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
2845                BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
2846
2847         /* Initialize context mapping and zero out the quick contexts.  The
2848          * context block must have already been enabled. */
2849         bnx2_init_context(bp);
2850
2851         bnx2_init_cpus(bp);
2852         bnx2_init_nvram(bp);
2853
2854         bnx2_set_mac_addr(bp);
2855
2856         val = REG_RD(bp, BNX2_MQ_CONFIG);
2857         val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
2858         val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
2859         REG_WR(bp, BNX2_MQ_CONFIG, val);
2860
2861         val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
2862         REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
2863         REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
2864
2865         val = (BCM_PAGE_BITS - 8) << 24;
2866         REG_WR(bp, BNX2_RV2P_CONFIG, val);
2867
2868         /* Configure page size. */
2869         val = REG_RD(bp, BNX2_TBDR_CONFIG);
2870         val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
2871         val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
2872         REG_WR(bp, BNX2_TBDR_CONFIG, val);
2873
2874         val = bp->mac_addr[0] +
2875               (bp->mac_addr[1] << 8) +
2876               (bp->mac_addr[2] << 16) +
2877               bp->mac_addr[3] +
2878               (bp->mac_addr[4] << 8) +
2879               (bp->mac_addr[5] << 16);
2880         REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
2881
2882         /* Program the MTU.  Also include 4 bytes for CRC32. */
2883         val = bp->dev->mtu + ETH_HLEN + 4;
2884         if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
2885                 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
2886         REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
2887
2888         bp->last_status_idx = 0;
2889         bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
2890
2891         /* Set up how to generate a link change interrupt. */
2892         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2893
2894         REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
2895                (u64) bp->status_blk_mapping & 0xffffffff);
2896         REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
2897
2898         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
2899                (u64) bp->stats_blk_mapping & 0xffffffff);
2900         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
2901                (u64) bp->stats_blk_mapping >> 32);
2902
2903         REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP, 
2904                (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
2905
2906         REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
2907                (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
2908
2909         REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
2910                (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
2911
2912         REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
2913
2914         REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
2915
2916         REG_WR(bp, BNX2_HC_COM_TICKS,
2917                (bp->com_ticks_int << 16) | bp->com_ticks);
2918
2919         REG_WR(bp, BNX2_HC_CMD_TICKS,
2920                (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
2921
2922         REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
2923         REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */
2924
2925         if (CHIP_ID(bp) == CHIP_ID_5706_A1)
2926                 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_COLLECT_STATS);
2927         else {
2928                 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_RX_TMR_MODE |
2929                        BNX2_HC_CONFIG_TX_TMR_MODE |
2930                        BNX2_HC_CONFIG_COLLECT_STATS);
2931         }
2932
2933         /* Clear internal stats counters. */
2934         REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
2935
2936         REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
2937
2938         /* Initialize the receive filter. */
2939         bnx2_set_rx_mode(bp->dev);
2940
2941         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET);
2942
2943         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
2944         REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
2945
2946         udelay(20);
2947
2948         return 0;
2949 }
2950
2951
2952 static void
2953 bnx2_init_tx_ring(struct bnx2 *bp)
2954 {
2955         struct tx_bd *txbd;
2956         u32 val;
2957
2958         txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
2959                 
2960         txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
2961         txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
2962
2963         bp->tx_prod = 0;
2964         bp->tx_cons = 0;
2965         bp->tx_prod_bseq = 0;
2966         
2967         val = BNX2_L2CTX_TYPE_TYPE_L2;
2968         val |= BNX2_L2CTX_TYPE_SIZE_L2;
2969         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val);
2970
2971         val = BNX2_L2CTX_CMD_TYPE_TYPE_L2;
2972         val |= 8 << 16;
2973         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val);
2974
2975         val = (u64) bp->tx_desc_mapping >> 32;
2976         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val);
2977
2978         val = (u64) bp->tx_desc_mapping & 0xffffffff;
2979         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val);
2980 }
2981
2982 static void
2983 bnx2_init_rx_ring(struct bnx2 *bp)
2984 {
2985         struct rx_bd *rxbd;
2986         int i;
2987         u16 prod, ring_prod; 
2988         u32 val;
2989
2990         /* 8 for CRC and VLAN */
2991         bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
2992         /* 8 for alignment */
2993         bp->rx_buf_size = bp->rx_buf_use_size + 8;
2994
2995         ring_prod = prod = bp->rx_prod = 0;
2996         bp->rx_cons = 0;
2997         bp->rx_prod_bseq = 0;
2998                 
2999         rxbd = &bp->rx_desc_ring[0];
3000         for (i = 0; i < MAX_RX_DESC_CNT; i++, rxbd++) {
3001                 rxbd->rx_bd_len = bp->rx_buf_use_size;
3002                 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
3003         }
3004
3005         rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping >> 32;
3006         rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping & 0xffffffff;
3007
3008         val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
3009         val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
3010         val |= 0x02 << 8;
3011         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
3012
3013         val = (u64) bp->rx_desc_mapping >> 32;
3014         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);
3015
3016         val = (u64) bp->rx_desc_mapping & 0xffffffff;
3017         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
3018
3019         for ( ;ring_prod < bp->rx_ring_size; ) {
3020                 if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
3021                         break;
3022                 }
3023                 prod = NEXT_RX_BD(prod);
3024                 ring_prod = RX_RING_IDX(prod);
3025         }
3026         bp->rx_prod = prod;
3027
3028         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
3029
3030         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
3031 }
3032
3033 static void
3034 bnx2_free_tx_skbs(struct bnx2 *bp)
3035 {
3036         int i;
3037
3038         if (bp->tx_buf_ring == NULL)
3039                 return;
3040
3041         for (i = 0; i < TX_DESC_CNT; ) {
3042                 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
3043                 struct sk_buff *skb = tx_buf->skb;
3044                 int j, last;
3045
3046                 if (skb == NULL) {
3047                         i++;
3048                         continue;
3049                 }
3050
3051                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
3052                         skb_headlen(skb), PCI_DMA_TODEVICE);
3053
3054                 tx_buf->skb = NULL;
3055
3056                 last = skb_shinfo(skb)->nr_frags;
3057                 for (j = 0; j < last; j++) {
3058                         tx_buf = &bp->tx_buf_ring[i + j + 1];
3059                         pci_unmap_page(bp->pdev,
3060                                 pci_unmap_addr(tx_buf, mapping),
3061                                 skb_shinfo(skb)->frags[j].size,
3062                                 PCI_DMA_TODEVICE);
3063                 }
3064                 dev_kfree_skb_any(skb);
3065                 i += j + 1;
3066         }
3067
3068 }
3069
3070 static void
3071 bnx2_free_rx_skbs(struct bnx2 *bp)
3072 {
3073         int i;
3074
3075         if (bp->rx_buf_ring == NULL)
3076                 return;
3077
3078         for (i = 0; i < RX_DESC_CNT; i++) {
3079                 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
3080                 struct sk_buff *skb = rx_buf->skb;
3081
3082                 if (skb == 0)
3083                         continue;
3084
3085                 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
3086                         bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
3087
3088                 rx_buf->skb = NULL;
3089
3090                 dev_kfree_skb_any(skb);
3091         }
3092 }
3093
3094 static void
3095 bnx2_free_skbs(struct bnx2 *bp)
3096 {
3097         bnx2_free_tx_skbs(bp);
3098         bnx2_free_rx_skbs(bp);
3099 }
3100
3101 static int
3102 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
3103 {
3104         int rc;
3105
3106         rc = bnx2_reset_chip(bp, reset_code);
3107         bnx2_free_skbs(bp);
3108         if (rc)
3109                 return rc;
3110
3111         bnx2_init_chip(bp);
3112         bnx2_init_tx_ring(bp);
3113         bnx2_init_rx_ring(bp);
3114         return 0;
3115 }
3116
3117 static int
3118 bnx2_init_nic(struct bnx2 *bp)
3119 {
3120         int rc;
3121
3122         if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
3123                 return rc;
3124
3125         bnx2_init_phy(bp);
3126         bnx2_set_link(bp);
3127         return 0;
3128 }
3129
3130 static int
3131 bnx2_test_registers(struct bnx2 *bp)
3132 {
3133         int ret;
3134         int i;
3135         static struct {
3136                 u16   offset;
3137                 u16   flags;
3138                 u32   rw_mask;
3139                 u32   ro_mask;
3140         } reg_tbl[] = {
3141                 { 0x006c, 0, 0x00000000, 0x0000003f },
3142                 { 0x0090, 0, 0xffffffff, 0x00000000 },
3143                 { 0x0094, 0, 0x00000000, 0x00000000 },
3144
3145                 { 0x0404, 0, 0x00003f00, 0x00000000 },
3146                 { 0x0418, 0, 0x00000000, 0xffffffff },
3147                 { 0x041c, 0, 0x00000000, 0xffffffff },
3148                 { 0x0420, 0, 0x00000000, 0x80ffffff },
3149                 { 0x0424, 0, 0x00000000, 0x00000000 },
3150                 { 0x0428, 0, 0x00000000, 0x00000001 },
3151                 { 0x0450, 0, 0x00000000, 0x0000ffff },
3152                 { 0x0454, 0, 0x00000000, 0xffffffff },
3153                 { 0x0458, 0, 0x00000000, 0xffffffff },
3154
3155                 { 0x0808, 0, 0x00000000, 0xffffffff },
3156                 { 0x0854, 0, 0x00000000, 0xffffffff },
3157                 { 0x0868, 0, 0x00000000, 0x77777777 },
3158                 { 0x086c, 0, 0x00000000, 0x77777777 },
3159                 { 0x0870, 0, 0x00000000, 0x77777777 },
3160                 { 0x0874, 0, 0x00000000, 0x77777777 },
3161
3162                 { 0x0c00, 0, 0x00000000, 0x00000001 },
3163                 { 0x0c04, 0, 0x00000000, 0x03ff0001 },
3164                 { 0x0c08, 0, 0x0f0ff073, 0x00000000 },
3165                 { 0x0c0c, 0, 0x00ffffff, 0x00000000 },
3166                 { 0x0c30, 0, 0x00000000, 0xffffffff },
3167                 { 0x0c34, 0, 0x00000000, 0xffffffff },
3168                 { 0x0c38, 0, 0x00000000, 0xffffffff },
3169                 { 0x0c3c, 0, 0x00000000, 0xffffffff },
3170                 { 0x0c40, 0, 0x00000000, 0xffffffff },
3171                 { 0x0c44, 0, 0x00000000, 0xffffffff },
3172                 { 0x0c48, 0, 0x00000000, 0x0007ffff },
3173                 { 0x0c4c, 0, 0x00000000, 0xffffffff },
3174                 { 0x0c50, 0, 0x00000000, 0xffffffff },
3175                 { 0x0c54, 0, 0x00000000, 0xffffffff },
3176                 { 0x0c58, 0, 0x00000000, 0xffffffff },
3177                 { 0x0c5c, 0, 0x00000000, 0xffffffff },
3178                 { 0x0c60, 0, 0x00000000, 0xffffffff },
3179                 { 0x0c64, 0, 0x00000000, 0xffffffff },
3180                 { 0x0c68, 0, 0x00000000, 0xffffffff },
3181                 { 0x0c6c, 0, 0x00000000, 0xffffffff },
3182                 { 0x0c70, 0, 0x00000000, 0xffffffff },
3183                 { 0x0c74, 0, 0x00000000, 0xffffffff },
3184                 { 0x0c78, 0, 0x00000000, 0xffffffff },
3185                 { 0x0c7c, 0, 0x00000000, 0xffffffff },
3186                 { 0x0c80, 0, 0x00000000, 0xffffffff },
3187                 { 0x0c84, 0, 0x00000000, 0xffffffff },
3188                 { 0x0c88, 0, 0x00000000, 0xffffffff },
3189                 { 0x0c8c, 0, 0x00000000, 0xffffffff },
3190                 { 0x0c90, 0, 0x00000000, 0xffffffff },
3191                 { 0x0c94, 0, 0x00000000, 0xffffffff },
3192                 { 0x0c98, 0, 0x00000000, 0xffffffff },
3193                 { 0x0c9c, 0, 0x00000000, 0xffffffff },
3194                 { 0x0ca0, 0, 0x00000000, 0xffffffff },
3195                 { 0x0ca4, 0, 0x00000000, 0xffffffff },
3196                 { 0x0ca8, 0, 0x00000000, 0x0007ffff },
3197                 { 0x0cac, 0, 0x00000000, 0xffffffff },
3198                 { 0x0cb0, 0, 0x00000000, 0xffffffff },
3199                 { 0x0cb4, 0, 0x00000000, 0xffffffff },
3200                 { 0x0cb8, 0, 0x00000000, 0xffffffff },
3201                 { 0x0cbc, 0, 0x00000000, 0xffffffff },
3202                 { 0x0cc0, 0, 0x00000000, 0xffffffff },
3203                 { 0x0cc4, 0, 0x00000000, 0xffffffff },
3204                 { 0x0cc8, 0, 0x00000000, 0xffffffff },
3205                 { 0x0ccc, 0, 0x00000000, 0xffffffff },
3206                 { 0x0cd0, 0, 0x00000000, 0xffffffff },
3207                 { 0x0cd4, 0, 0x00000000, 0xffffffff },
3208                 { 0x0cd8, 0, 0x00000000, 0xffffffff },
3209                 { 0x0cdc, 0, 0x00000000, 0xffffffff },
3210                 { 0x0ce0, 0, 0x00000000, 0xffffffff },
3211                 { 0x0ce4, 0, 0x00000000, 0xffffffff },
3212                 { 0x0ce8, 0, 0x00000000, 0xffffffff },
3213                 { 0x0cec, 0, 0x00000000, 0xffffffff },
3214                 { 0x0cf0, 0, 0x00000000, 0xffffffff },
3215                 { 0x0cf4, 0, 0x00000000, 0xffffffff },
3216                 { 0x0cf8, 0, 0x00000000, 0xffffffff },
3217                 { 0x0cfc, 0, 0x00000000, 0xffffffff },
3218                 { 0x0d00, 0, 0x00000000, 0xffffffff },
3219                 { 0x0d04, 0, 0x00000000, 0xffffffff },
3220
3221                 { 0x1000, 0, 0x00000000, 0x00000001 },
3222                 { 0x1004, 0, 0x00000000, 0x000f0001 },
3223                 { 0x1044, 0, 0x00000000, 0xffc003ff },
3224                 { 0x1080, 0, 0x00000000, 0x0001ffff },
3225                 { 0x1084, 0, 0x00000000, 0xffffffff },
3226                 { 0x1088, 0, 0x00000000, 0xffffffff },
3227                 { 0x108c, 0, 0x00000000, 0xffffffff },
3228                 { 0x1090, 0, 0x00000000, 0xffffffff },
3229                 { 0x1094, 0, 0x00000000, 0xffffffff },
3230                 { 0x1098, 0, 0x00000000, 0xffffffff },
3231                 { 0x109c, 0, 0x00000000, 0xffffffff },
3232                 { 0x10a0, 0, 0x00000000, 0xffffffff },
3233
3234                 { 0x1408, 0, 0x01c00800, 0x00000000 },
3235                 { 0x149c, 0, 0x8000ffff, 0x00000000 },
3236                 { 0x14a8, 0, 0x00000000, 0x000001ff },
3237                 { 0x14ac, 0, 0x4fffffff, 0x10000000 },
3238                 { 0x14b0, 0, 0x00000002, 0x00000001 },
3239                 { 0x14b8, 0, 0x00000000, 0x00000000 },
3240                 { 0x14c0, 0, 0x00000000, 0x00000009 },
3241                 { 0x14c4, 0, 0x00003fff, 0x00000000 },
3242                 { 0x14cc, 0, 0x00000000, 0x00000001 },
3243                 { 0x14d0, 0, 0xffffffff, 0x00000000 },
3244                 { 0x1500, 0, 0x00000000, 0xffffffff },
3245                 { 0x1504, 0, 0x00000000, 0xffffffff },
3246                 { 0x1508, 0, 0x00000000, 0xffffffff },
3247                 { 0x150c, 0, 0x00000000, 0xffffffff },
3248                 { 0x1510, 0, 0x00000000, 0xffffffff },
3249                 { 0x1514, 0, 0x00000000, 0xffffffff },
3250                 { 0x1518, 0, 0x00000000, 0xffffffff },
3251                 { 0x151c, 0, 0x00000000, 0xffffffff },
3252                 { 0x1520, 0, 0x00000000, 0xffffffff },
3253                 { 0x1524, 0, 0x00000000, 0xffffffff },
3254                 { 0x1528, 0, 0x00000000, 0xffffffff },
3255                 { 0x152c, 0, 0x00000000, 0xffffffff },
3256                 { 0x1530, 0, 0x00000000, 0xffffffff },
3257                 { 0x1534, 0, 0x00000000, 0xffffffff },
3258                 { 0x1538, 0, 0x00000000, 0xffffffff },
3259                 { 0x153c, 0, 0x00000000, 0xffffffff },
3260                 { 0x1540, 0, 0x00000000, 0xffffffff },
3261                 { 0x1544, 0, 0x00000000, 0xffffffff },
3262                 { 0x1548, 0, 0x00000000, 0xffffffff },
3263                 { 0x154c, 0, 0x00000000, 0xffffffff },
3264                 { 0x1550, 0, 0x00000000, 0xffffffff },
3265                 { 0x1554, 0, 0x00000000, 0xffffffff },
3266                 { 0x1558, 0, 0x00000000, 0xffffffff },
3267                 { 0x1600, 0, 0x00000000, 0xffffffff },
3268                 { 0x1604, 0, 0x00000000, 0xffffffff },
3269                 { 0x1608, 0, 0x00000000, 0xffffffff },
3270                 { 0x160c, 0, 0x00000000, 0xffffffff },
3271                 { 0x1610, 0, 0x00000000, 0xffffffff },
3272                 { 0x1614, 0, 0x00000000, 0xffffffff },
3273                 { 0x1618, 0, 0x00000000, 0xffffffff },
3274                 { 0x161c, 0, 0x00000000, 0xffffffff },
3275                 { 0x1620, 0, 0x00000000, 0xffffffff },
3276                 { 0x1624, 0, 0x00000000, 0xffffffff },
3277                 { 0x1628, 0, 0x00000000, 0xffffffff },
3278                 { 0x162c, 0, 0x00000000, 0xffffffff },
3279                 { 0x1630, 0, 0x00000000, 0xffffffff },
3280                 { 0x1634, 0, 0x00000000, 0xffffffff },
3281                 { 0x1638, 0, 0x00000000, 0xffffffff },
3282                 { 0x163c, 0, 0x00000000, 0xffffffff },
3283                 { 0x1640, 0, 0x00000000, 0xffffffff },
3284                 { 0x1644, 0, 0x00000000, 0xffffffff },
3285                 { 0x1648, 0, 0x00000000, 0xffffffff },
3286                 { 0x164c, 0, 0x00000000, 0xffffffff },
3287                 { 0x1650, 0, 0x00000000, 0xffffffff },
3288                 { 0x1654, 0, 0x00000000, 0xffffffff },
3289
3290                 { 0x1800, 0, 0x00000000, 0x00000001 },
3291                 { 0x1804, 0, 0x00000000, 0x00000003 },
3292                 { 0x1840, 0, 0x00000000, 0xffffffff },
3293                 { 0x1844, 0, 0x00000000, 0xffffffff },
3294                 { 0x1848, 0, 0x00000000, 0xffffffff },
3295                 { 0x184c, 0, 0x00000000, 0xffffffff },
3296                 { 0x1850, 0, 0x00000000, 0xffffffff },
3297                 { 0x1900, 0, 0x7ffbffff, 0x00000000 },
3298                 { 0x1904, 0, 0xffffffff, 0x00000000 },
3299                 { 0x190c, 0, 0xffffffff, 0x00000000 },
3300                 { 0x1914, 0, 0xffffffff, 0x00000000 },
3301                 { 0x191c, 0, 0xffffffff, 0x00000000 },
3302                 { 0x1924, 0, 0xffffffff, 0x00000000 },
3303                 { 0x192c, 0, 0xffffffff, 0x00000000 },
3304                 { 0x1934, 0, 0xffffffff, 0x00000000 },
3305                 { 0x193c, 0, 0xffffffff, 0x00000000 },
3306                 { 0x1944, 0, 0xffffffff, 0x00000000 },
3307                 { 0x194c, 0, 0xffffffff, 0x00000000 },
3308                 { 0x1954, 0, 0xffffffff, 0x00000000 },
3309                 { 0x195c, 0, 0xffffffff, 0x00000000 },
3310                 { 0x1964, 0, 0xffffffff, 0x00000000 },
3311                 { 0x196c, 0, 0xffffffff, 0x00000000 },
3312                 { 0x1974, 0, 0xffffffff, 0x00000000 },
3313                 { 0x197c, 0, 0xffffffff, 0x00000000 },
3314                 { 0x1980, 0, 0x0700ffff, 0x00000000 },
3315
3316                 { 0x1c00, 0, 0x00000000, 0x00000001 },
3317                 { 0x1c04, 0, 0x00000000, 0x00000003 },
3318                 { 0x1c08, 0, 0x0000000f, 0x00000000 },
3319                 { 0x1c40, 0, 0x00000000, 0xffffffff },
3320                 { 0x1c44, 0, 0x00000000, 0xffffffff },
3321                 { 0x1c48, 0, 0x00000000, 0xffffffff },
3322                 { 0x1c4c, 0, 0x00000000, 0xffffffff },
3323                 { 0x1c50, 0, 0x00000000, 0xffffffff },
3324                 { 0x1d00, 0, 0x7ffbffff, 0x00000000 },
3325                 { 0x1d04, 0, 0xffffffff, 0x00000000 },
3326                 { 0x1d0c, 0, 0xffffffff, 0x00000000 },
3327                 { 0x1d14, 0, 0xffffffff, 0x00000000 },
3328                 { 0x1d1c, 0, 0xffffffff, 0x00000000 },
3329                 { 0x1d24, 0, 0xffffffff, 0x00000000 },
3330                 { 0x1d2c, 0, 0xffffffff, 0x00000000 },
3331                 { 0x1d34, 0, 0xffffffff, 0x00000000 },
3332                 { 0x1d3c, 0, 0xffffffff, 0x00000000 },
3333                 { 0x1d44, 0, 0xffffffff, 0x00000000 },
3334                 { 0x1d4c, 0, 0xffffffff, 0x00000000 },
3335                 { 0x1d54, 0, 0xffffffff, 0x00000000 },
3336                 { 0x1d5c, 0, 0xffffffff, 0x00000000 },
3337                 { 0x1d64, 0, 0xffffffff, 0x00000000 },
3338                 { 0x1d6c, 0, 0xffffffff, 0x00000000 },
3339                 { 0x1d74, 0, 0xffffffff, 0x00000000 },
3340                 { 0x1d7c, 0, 0xffffffff, 0x00000000 },
3341                 { 0x1d80, 0, 0x0700ffff, 0x00000000 },
3342
3343                 { 0x2004, 0, 0x00000000, 0x0337000f },
3344                 { 0x2008, 0, 0xffffffff, 0x00000000 },
3345                 { 0x200c, 0, 0xffffffff, 0x00000000 },
3346                 { 0x2010, 0, 0xffffffff, 0x00000000 },
3347                 { 0x2014, 0, 0x801fff80, 0x00000000 },
3348                 { 0x2018, 0, 0x000003ff, 0x00000000 },
3349
3350                 { 0x2800, 0, 0x00000000, 0x00000001 },
3351                 { 0x2804, 0, 0x00000000, 0x00003f01 },
3352                 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
3353                 { 0x2810, 0, 0xffff0000, 0x00000000 },
3354                 { 0x2814, 0, 0xffff0000, 0x00000000 },
3355                 { 0x2818, 0, 0xffff0000, 0x00000000 },
3356                 { 0x281c, 0, 0xffff0000, 0x00000000 },
3357                 { 0x2834, 0, 0xffffffff, 0x00000000 },
3358                 { 0x2840, 0, 0x00000000, 0xffffffff },
3359                 { 0x2844, 0, 0x00000000, 0xffffffff },
3360                 { 0x2848, 0, 0xffffffff, 0x00000000 },
3361                 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
3362
3363                 { 0x2c00, 0, 0x00000000, 0x00000011 },
3364                 { 0x2c04, 0, 0x00000000, 0x00030007 },
3365
3366                 { 0x3000, 0, 0x00000000, 0x00000001 },
3367                 { 0x3004, 0, 0x00000000, 0x007007ff },
3368                 { 0x3008, 0, 0x00000003, 0x00000000 },
3369                 { 0x300c, 0, 0xffffffff, 0x00000000 },
3370                 { 0x3010, 0, 0xffffffff, 0x00000000 },
3371                 { 0x3014, 0, 0xffffffff, 0x00000000 },
3372                 { 0x3034, 0, 0xffffffff, 0x00000000 },
3373                 { 0x3038, 0, 0xffffffff, 0x00000000 },
3374                 { 0x3050, 0, 0x00000001, 0x00000000 },
3375
3376                 { 0x3c00, 0, 0x00000000, 0x00000001 },
3377                 { 0x3c04, 0, 0x00000000, 0x00070000 },
3378                 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
3379                 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
3380                 { 0x3c10, 0, 0xffffffff, 0x00000000 },
3381                 { 0x3c14, 0, 0x00000000, 0xffffffff },
3382                 { 0x3c18, 0, 0x00000000, 0xffffffff },
3383                 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
3384                 { 0x3c20, 0, 0xffffff00, 0x00000000 },
3385                 { 0x3c24, 0, 0xffffffff, 0x00000000 },
3386                 { 0x3c28, 0, 0xffffffff, 0x00000000 },
3387                 { 0x3c2c, 0, 0xffffffff, 0x00000000 },
3388                 { 0x3c30, 0, 0xffffffff, 0x00000000 },
3389                 { 0x3c34, 0, 0xffffffff, 0x00000000 },
3390                 { 0x3c38, 0, 0xffffffff, 0x00000000 },
3391                 { 0x3c3c, 0, 0xffffffff, 0x00000000 },
3392                 { 0x3c40, 0, 0xffffffff, 0x00000000 },
3393                 { 0x3c44, 0, 0xffffffff, 0x00000000 },
3394                 { 0x3c48, 0, 0xffffffff, 0x00000000 },
3395                 { 0x3c4c, 0, 0xffffffff, 0x00000000 },
3396                 { 0x3c50, 0, 0xffffffff, 0x00000000 },
3397                 { 0x3c54, 0, 0xffffffff, 0x00000000 },
3398                 { 0x3c58, 0, 0xffffffff, 0x00000000 },
3399                 { 0x3c5c, 0, 0xffffffff, 0x00000000 },
3400                 { 0x3c60, 0, 0xffffffff, 0x00000000 },
3401                 { 0x3c64, 0, 0xffffffff, 0x00000000 },
3402                 { 0x3c68, 0, 0xffffffff, 0x00000000 },
3403                 { 0x3c6c, 0, 0xffffffff, 0x00000000 },
3404                 { 0x3c70, 0, 0xffffffff, 0x00000000 },
3405                 { 0x3c74, 0, 0x0000003f, 0x00000000 },
3406                 { 0x3c78, 0, 0x00000000, 0x00000000 },
3407                 { 0x3c7c, 0, 0x00000000, 0x00000000 },
3408                 { 0x3c80, 0, 0x3fffffff, 0x00000000 },
3409                 { 0x3c84, 0, 0x0000003f, 0x00000000 },
3410                 { 0x3c88, 0, 0x00000000, 0xffffffff },
3411                 { 0x3c8c, 0, 0x00000000, 0xffffffff },
3412
3413                 { 0x4000, 0, 0x00000000, 0x00000001 },
3414                 { 0x4004, 0, 0x00000000, 0x00030000 },
3415                 { 0x4008, 0, 0x00000ff0, 0x00000000 },
3416                 { 0x400c, 0, 0xffffffff, 0x00000000 },
3417                 { 0x4088, 0, 0x00000000, 0x00070303 },
3418
3419                 { 0x4400, 0, 0x00000000, 0x00000001 },
3420                 { 0x4404, 0, 0x00000000, 0x00003f01 },
3421                 { 0x4408, 0, 0x7fff00ff, 0x00000000 },
3422                 { 0x440c, 0, 0xffffffff, 0x00000000 },
3423                 { 0x4410, 0, 0xffff,     0x0000 },
3424                 { 0x4414, 0, 0xffff,     0x0000 },
3425                 { 0x4418, 0, 0xffff,     0x0000 },
3426                 { 0x441c, 0, 0xffff,     0x0000 },
3427                 { 0x4428, 0, 0xffffffff, 0x00000000 },
3428                 { 0x442c, 0, 0xffffffff, 0x00000000 },
3429                 { 0x4430, 0, 0xffffffff, 0x00000000 },
3430                 { 0x4434, 0, 0xffffffff, 0x00000000 },
3431                 { 0x4438, 0, 0xffffffff, 0x00000000 },
3432                 { 0x443c, 0, 0xffffffff, 0x00000000 },
3433                 { 0x4440, 0, 0xffffffff, 0x00000000 },
3434                 { 0x4444, 0, 0xffffffff, 0x00000000 },
3435
3436                 { 0x4c00, 0, 0x00000000, 0x00000001 },
3437                 { 0x4c04, 0, 0x00000000, 0x0000003f },
3438                 { 0x4c08, 0, 0xffffffff, 0x00000000 },
3439                 { 0x4c0c, 0, 0x0007fc00, 0x00000000 },
3440                 { 0x4c10, 0, 0x80003fe0, 0x00000000 },
3441                 { 0x4c14, 0, 0xffffffff, 0x00000000 },
3442                 { 0x4c44, 0, 0x00000000, 0x9fff9fff },
3443                 { 0x4c48, 0, 0x00000000, 0xb3009fff },
3444                 { 0x4c4c, 0, 0x00000000, 0x77f33b30 },
3445                 { 0x4c50, 0, 0x00000000, 0xffffffff },
3446
3447                 { 0x5004, 0, 0x00000000, 0x0000007f },
3448                 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
3449                 { 0x500c, 0, 0xf800f800, 0x07ff07ff },
3450
3451                 { 0x5400, 0, 0x00000008, 0x00000001 },
3452                 { 0x5404, 0, 0x00000000, 0x0000003f },
3453                 { 0x5408, 0, 0x0000001f, 0x00000000 },
3454                 { 0x540c, 0, 0xffffffff, 0x00000000 },
3455                 { 0x5410, 0, 0xffffffff, 0x00000000 },
3456                 { 0x5414, 0, 0x0000ffff, 0x00000000 },
3457                 { 0x5418, 0, 0x0000ffff, 0x00000000 },
3458                 { 0x541c, 0, 0x0000ffff, 0x00000000 },
3459                 { 0x5420, 0, 0x0000ffff, 0x00000000 },
3460                 { 0x5428, 0, 0x000000ff, 0x00000000 },
3461                 { 0x542c, 0, 0xff00ffff, 0x00000000 },
3462                 { 0x5430, 0, 0x001fff80, 0x00000000 },
3463                 { 0x5438, 0, 0xffffffff, 0x00000000 },
3464                 { 0x543c, 0, 0xffffffff, 0x00000000 },
3465                 { 0x5440, 0, 0xf800f800, 0x07ff07ff },
3466
3467                 { 0x5c00, 0, 0x00000000, 0x00000001 },
3468                 { 0x5c04, 0, 0x00000000, 0x0003000f },
3469                 { 0x5c08, 0, 0x00000003, 0x00000000 },
3470                 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
3471                 { 0x5c10, 0, 0x00000000, 0xffffffff },
3472                 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
3473                 { 0x5c84, 0, 0x00000000, 0x0000f333 },
3474                 { 0x5c88, 0, 0x00000000, 0x00077373 },
3475                 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
3476
3477                 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
3478                 { 0x680c, 0, 0xffffffff, 0x00000000 },
3479                 { 0x6810, 0, 0xffffffff, 0x00000000 },
3480                 { 0x6814, 0, 0xffffffff, 0x00000000 },
3481                 { 0x6818, 0, 0xffffffff, 0x00000000 },
3482                 { 0x681c, 0, 0xffffffff, 0x00000000 },
3483                 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
3484                 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
3485                 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
3486                 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
3487                 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
3488                 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
3489                 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
3490                 { 0x683c, 0, 0x0000ffff, 0x00000000 },
3491                 { 0x6840, 0, 0x00000ff0, 0x00000000 },
3492                 { 0x6844, 0, 0x00ffff00, 0x00000000 },
3493                 { 0x684c, 0, 0xffffffff, 0x00000000 },
3494                 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
3495                 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
3496                 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
3497                 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
3498                 { 0x6908, 0, 0x00000000, 0x0001ff0f },
3499                 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
3500
3501                 { 0xffff, 0, 0x00000000, 0x00000000 },
3502         };
3503
3504         ret = 0;
3505         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
3506                 u32 offset, rw_mask, ro_mask, save_val, val;
3507
3508                 offset = (u32) reg_tbl[i].offset;
3509                 rw_mask = reg_tbl[i].rw_mask;
3510                 ro_mask = reg_tbl[i].ro_mask;
3511
3512                 save_val = readl(bp->regview + offset);
3513
3514                 writel(0, bp->regview + offset);
3515
3516                 val = readl(bp->regview + offset);
3517                 if ((val & rw_mask) != 0) {
3518                         goto reg_test_err;
3519                 }
3520
3521                 if ((val & ro_mask) != (save_val & ro_mask)) {
3522                         goto reg_test_err;
3523                 }
3524
3525                 writel(0xffffffff, bp->regview + offset);
3526
3527                 val = readl(bp->regview + offset);
3528                 if ((val & rw_mask) != rw_mask) {
3529                         goto reg_test_err;
3530                 }
3531
3532                 if ((val & ro_mask) != (save_val & ro_mask)) {
3533                         goto reg_test_err;
3534                 }
3535
3536                 writel(save_val, bp->regview + offset);
3537                 continue;
3538
3539 reg_test_err:
3540                 writel(save_val, bp->regview + offset);
3541                 ret = -ENODEV;
3542                 break;
3543         }
3544         return ret;
3545 }
3546
3547 static int
3548 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
3549 {
3550         static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
3551                 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
3552         int i;
3553
3554         for (i = 0; i < sizeof(test_pattern) / 4; i++) {
3555                 u32 offset;
3556
3557                 for (offset = 0; offset < size; offset += 4) {
3558
3559                         REG_WR_IND(bp, start + offset, test_pattern[i]);
3560
3561                         if (REG_RD_IND(bp, start + offset) !=
3562                                 test_pattern[i]) {
3563                                 return -ENODEV;
3564                         }
3565                 }
3566         }
3567         return 0;
3568 }
3569
3570 static int
3571 bnx2_test_memory(struct bnx2 *bp)
3572 {
3573         int ret = 0;
3574         int i;
3575         static struct {
3576                 u32   offset;
3577                 u32   len;
3578         } mem_tbl[] = {
3579                 { 0x60000,  0x4000 },
3580                 { 0xa0000,  0x4000 },
3581                 { 0xe0000,  0x4000 },
3582                 { 0x120000, 0x4000 },
3583                 { 0x1a0000, 0x4000 },
3584                 { 0x160000, 0x4000 },
3585                 { 0xffffffff, 0    },
3586         };
3587
3588         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
3589                 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
3590                         mem_tbl[i].len)) != 0) {
3591                         return ret;
3592                 }
3593         }
3594         
3595         return ret;
3596 }
3597
3598 static int
3599 bnx2_test_loopback(struct bnx2 *bp)
3600 {
3601         unsigned int pkt_size, num_pkts, i;
3602         struct sk_buff *skb, *rx_skb;
3603         unsigned char *packet;
3604         u16 rx_start_idx, rx_idx, send_idx;
3605         u32 send_bseq, val;
3606         dma_addr_t map;
3607         struct tx_bd *txbd;
3608         struct sw_bd *rx_buf;
3609         struct l2_fhdr *rx_hdr;
3610         int ret = -ENODEV;
3611
3612         if (!netif_running(bp->dev))
3613                 return -ENODEV;
3614
3615         bp->loopback = MAC_LOOPBACK;
3616         bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_DIAG);
3617         bnx2_set_mac_loopback(bp);
3618
3619         pkt_size = 1514;
3620         skb = dev_alloc_skb(pkt_size);
3621         packet = skb_put(skb, pkt_size);
3622         memcpy(packet, bp->mac_addr, 6);
3623         memset(packet + 6, 0x0, 8);
3624         for (i = 14; i < pkt_size; i++)
3625                 packet[i] = (unsigned char) (i & 0xff);
3626
3627         map = pci_map_single(bp->pdev, skb->data, pkt_size,
3628                 PCI_DMA_TODEVICE);
3629
3630         val = REG_RD(bp, BNX2_HC_COMMAND);
3631         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3632         REG_RD(bp, BNX2_HC_COMMAND);
3633
3634         udelay(5);
3635         rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;
3636
3637         send_idx = 0;
3638         send_bseq = 0;
3639         num_pkts = 0;
3640
3641         txbd = &bp->tx_desc_ring[send_idx];
3642
3643         txbd->tx_bd_haddr_hi = (u64) map >> 32;
3644         txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
3645         txbd->tx_bd_mss_nbytes = pkt_size;
3646         txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
3647
3648         num_pkts++;
3649         send_idx = NEXT_TX_BD(send_idx);
3650
3651         send_bseq += pkt_size;
3652
3653         REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, send_idx);
3654         REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, send_bseq);
3655
3656
3657         udelay(100);
3658
3659         val = REG_RD(bp, BNX2_HC_COMMAND);
3660         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3661         REG_RD(bp, BNX2_HC_COMMAND);
3662
3663         udelay(5);
3664
3665         pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
3666         dev_kfree_skb_irq(skb);
3667
3668         if (bp->status_blk->status_tx_quick_consumer_index0 != send_idx) {
3669                 goto loopback_test_done;
3670         }
3671
3672         rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
3673         if (rx_idx != rx_start_idx + num_pkts) {
3674                 goto loopback_test_done;
3675         }
3676
3677         rx_buf = &bp->rx_buf_ring[rx_start_idx];
3678         rx_skb = rx_buf->skb;
3679
3680         rx_hdr = (struct l2_fhdr *) rx_skb->data;
3681         skb_reserve(rx_skb, bp->rx_offset);
3682
3683         pci_dma_sync_single_for_cpu(bp->pdev,
3684                 pci_unmap_addr(rx_buf, mapping),
3685                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
3686
3687         if (rx_hdr->l2_fhdr_errors &
3688                 (L2_FHDR_ERRORS_BAD_CRC |
3689                 L2_FHDR_ERRORS_PHY_DECODE |
3690                 L2_FHDR_ERRORS_ALIGNMENT |
3691                 L2_FHDR_ERRORS_TOO_SHORT |
3692                 L2_FHDR_ERRORS_GIANT_FRAME)) {
3693
3694                 goto loopback_test_done;
3695         }
3696
3697         if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
3698                 goto loopback_test_done;
3699         }
3700
3701         for (i = 14; i < pkt_size; i++) {
3702                 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
3703                         goto loopback_test_done;
3704                 }
3705         }
3706
3707         ret = 0;
3708
3709 loopback_test_done:
3710         bp->loopback = 0;
3711         return ret;
3712 }
3713
3714 #define NVRAM_SIZE 0x200
3715 #define CRC32_RESIDUAL 0xdebb20e3
3716
3717 static int
3718 bnx2_test_nvram(struct bnx2 *bp)
3719 {
3720         u32 buf[NVRAM_SIZE / 4];
3721         u8 *data = (u8 *) buf;
3722         int rc = 0;
3723         u32 magic, csum;
3724
3725         if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
3726                 goto test_nvram_done;
3727
3728         magic = be32_to_cpu(buf[0]);
3729         if (magic != 0x669955aa) {
3730                 rc = -ENODEV;
3731                 goto test_nvram_done;
3732         }
3733
3734         if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
3735                 goto test_nvram_done;
3736
3737         csum = ether_crc_le(0x100, data);
3738         if (csum != CRC32_RESIDUAL) {
3739                 rc = -ENODEV;
3740                 goto test_nvram_done;
3741         }
3742
3743         csum = ether_crc_le(0x100, data + 0x100);
3744         if (csum != CRC32_RESIDUAL) {
3745                 rc = -ENODEV;
3746         }
3747
3748 test_nvram_done:
3749         return rc;
3750 }
3751
3752 static int
3753 bnx2_test_link(struct bnx2 *bp)
3754 {
3755         u32 bmsr;
3756
3757         spin_lock_bh(&bp->phy_lock);
3758         bnx2_read_phy(bp, MII_BMSR, &bmsr);
3759         bnx2_read_phy(bp, MII_BMSR, &bmsr);
3760         spin_unlock_bh(&bp->phy_lock);
3761                 
3762         if (bmsr & BMSR_LSTATUS) {
3763                 return 0;
3764         }
3765         return -ENODEV;
3766 }
3767
3768 static int
3769 bnx2_test_intr(struct bnx2 *bp)
3770 {
3771         int i;
3772         u32 val;
3773         u16 status_idx;
3774
3775         if (!netif_running(bp->dev))
3776                 return -ENODEV;
3777
3778         status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
3779
3780         /* This register is not touched during run-time. */
3781         val = REG_RD(bp, BNX2_HC_COMMAND);
3782         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
3783         REG_RD(bp, BNX2_HC_COMMAND);
3784
3785         for (i = 0; i < 10; i++) {
3786                 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
3787                         status_idx) {
3788
3789                         break;
3790                 }
3791
3792                 msleep_interruptible(10);
3793         }
3794         if (i < 10)
3795                 return 0;
3796
3797         return -ENODEV;
3798 }
3799
3800 static void
3801 bnx2_timer(unsigned long data)
3802 {
3803         struct bnx2 *bp = (struct bnx2 *) data;
3804         u32 msg;
3805
3806         if (!netif_running(bp->dev))
3807                 return;
3808
3809         if (atomic_read(&bp->intr_sem) != 0)
3810                 goto bnx2_restart_timer;
3811
3812         msg = (u32) ++bp->fw_drv_pulse_wr_seq;
3813         REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_PULSE_MB, msg);
3814
3815         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
3816             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
3817
3818                 spin_lock(&bp->phy_lock);
3819                 if (bp->serdes_an_pending) {
3820                         bp->serdes_an_pending--;
3821                 }
3822                 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
3823                         u32 bmcr;
3824
3825                         bp->current_interval = bp->timer_interval;
3826
3827                         bnx2_read_phy(bp, MII_BMCR, &bmcr);
3828
3829                         if (bmcr & BMCR_ANENABLE) {
3830                                 u32 phy1, phy2;
3831
3832                                 bnx2_write_phy(bp, 0x1c, 0x7c00);
3833                                 bnx2_read_phy(bp, 0x1c, &phy1);
3834
3835                                 bnx2_write_phy(bp, 0x17, 0x0f01);
3836                                 bnx2_read_phy(bp, 0x15, &phy2);
3837                                 bnx2_write_phy(bp, 0x17, 0x0f01);
3838                                 bnx2_read_phy(bp, 0x15, &phy2);
3839
3840                                 if ((phy1 & 0x10) &&    /* SIGNAL DETECT */
3841                                         !(phy2 & 0x20)) {       /* no CONFIG */
3842
3843                                         bmcr &= ~BMCR_ANENABLE;
3844                                         bmcr |= BMCR_SPEED1000 |
3845                                                 BMCR_FULLDPLX;
3846                                         bnx2_write_phy(bp, MII_BMCR, bmcr);
3847                                         bp->phy_flags |=
3848                                                 PHY_PARALLEL_DETECT_FLAG;
3849                                 }
3850                         }
3851                 }
3852                 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
3853                         (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
3854                         u32 phy2;
3855
3856                         bnx2_write_phy(bp, 0x17, 0x0f01);
3857                         bnx2_read_phy(bp, 0x15, &phy2);
3858                         if (phy2 & 0x20) {
3859                                 u32 bmcr;
3860
3861                                 bnx2_read_phy(bp, MII_BMCR, &bmcr);
3862                                 bmcr |= BMCR_ANENABLE;
3863                                 bnx2_write_phy(bp, MII_BMCR, bmcr);
3864
3865                                 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
3866
3867                         }
3868                 }
3869                 else
3870                         bp->current_interval = bp->timer_interval;
3871
3872                 spin_unlock(&bp->phy_lock);
3873         }
3874
3875 bnx2_restart_timer:
3876         mod_timer(&bp->timer, jiffies + bp->current_interval);
3877 }
3878
3879 /* Called with rtnl_lock */
3880 static int
3881 bnx2_open(struct net_device *dev)
3882 {
3883         struct bnx2 *bp = dev->priv;
3884         int rc;
3885
3886         bnx2_set_power_state(bp, PCI_D0);
3887         bnx2_disable_int(bp);
3888
3889         rc = bnx2_alloc_mem(bp);
3890         if (rc)
3891                 return rc;
3892
3893         if ((CHIP_ID(bp) != CHIP_ID_5706_A0) &&
3894                 (CHIP_ID(bp) != CHIP_ID_5706_A1) &&
3895                 !disable_msi) {
3896
3897                 if (pci_enable_msi(bp->pdev) == 0) {
3898                         bp->flags |= USING_MSI_FLAG;
3899                         rc = request_irq(bp->pdev->irq, bnx2_msi, 0, dev->name,
3900                                         dev);
3901                 }
3902                 else {
3903                         rc = request_irq(bp->pdev->irq, bnx2_interrupt,
3904                                         SA_SHIRQ, dev->name, dev);
3905                 }
3906         }
3907         else {
3908                 rc = request_irq(bp->pdev->irq, bnx2_interrupt, SA_SHIRQ,
3909                                 dev->name, dev);
3910         }
3911         if (rc) {
3912                 bnx2_free_mem(bp);
3913                 return rc;
3914         }
3915
3916         rc = bnx2_init_nic(bp);
3917
3918         if (rc) {
3919                 free_irq(bp->pdev->irq, dev);
3920                 if (bp->flags & USING_MSI_FLAG) {
3921                         pci_disable_msi(bp->pdev);
3922                         bp->flags &= ~USING_MSI_FLAG;
3923                 }
3924                 bnx2_free_skbs(bp);
3925                 bnx2_free_mem(bp);
3926                 return rc;
3927         }
3928         
3929         mod_timer(&bp->timer, jiffies + bp->current_interval);
3930
3931         atomic_set(&bp->intr_sem, 0);
3932
3933         bnx2_enable_int(bp);
3934
3935         if (bp->flags & USING_MSI_FLAG) {
3936                 /* Test MSI to make sure it is working
3937                  * If MSI test fails, go back to INTx mode
3938                  */
3939                 if (bnx2_test_intr(bp) != 0) {
3940                         printk(KERN_WARNING PFX "%s: No interrupt was generated"
3941                                " using MSI, switching to INTx mode. Please"
3942                                " report this failure to the PCI maintainer"
3943                                " and include system chipset information.\n",
3944                                bp->dev->name);
3945
3946                         bnx2_disable_int(bp);
3947                         free_irq(bp->pdev->irq, dev);
3948                         pci_disable_msi(bp->pdev);
3949                         bp->flags &= ~USING_MSI_FLAG;
3950
3951                         rc = bnx2_init_nic(bp);
3952
3953                         if (!rc) {
3954                                 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
3955                                         SA_SHIRQ, dev->name, dev);
3956                         }
3957                         if (rc) {
3958                                 bnx2_free_skbs(bp);
3959                                 bnx2_free_mem(bp);
3960                                 del_timer_sync(&bp->timer);
3961                                 return rc;
3962                         }
3963                         bnx2_enable_int(bp);
3964                 }
3965         }
3966         if (bp->flags & USING_MSI_FLAG) {
3967                 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
3968         }
3969
3970         netif_start_queue(dev);
3971
3972         return 0;
3973 }
3974
3975 static void
3976 bnx2_reset_task(void *data)
3977 {
3978         struct bnx2 *bp = data;
3979
3980         if (!netif_running(bp->dev))
3981                 return;
3982
3983         bp->in_reset_task = 1;
3984         bnx2_netif_stop(bp);
3985
3986         bnx2_init_nic(bp);
3987
3988         atomic_set(&bp->intr_sem, 1);
3989         bnx2_netif_start(bp);
3990         bp->in_reset_task = 0;
3991 }
3992
3993 static void
3994 bnx2_tx_timeout(struct net_device *dev)
3995 {
3996         struct bnx2 *bp = dev->priv;
3997
3998         /* This allows the netif to be shutdown gracefully before resetting */
3999         schedule_work(&bp->reset_task);
4000 }
4001
4002 #ifdef BCM_VLAN
4003 /* Called with rtnl_lock */
4004 static void
4005 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
4006 {
4007         struct bnx2 *bp = dev->priv;
4008
4009         bnx2_netif_stop(bp);
4010
4011         bp->vlgrp = vlgrp;
4012         bnx2_set_rx_mode(dev);
4013
4014         bnx2_netif_start(bp);
4015 }
4016
4017 /* Called with rtnl_lock */
4018 static void
4019 bnx2_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
4020 {
4021         struct bnx2 *bp = dev->priv;
4022
4023         bnx2_netif_stop(bp);
4024
4025         if (bp->vlgrp)
4026                 bp->vlgrp->vlan_devices[vid] = NULL;
4027         bnx2_set_rx_mode(dev);
4028
4029         bnx2_netif_start(bp);
4030 }
4031 #endif
4032
4033 /* Called with dev->xmit_lock.
4034  * hard_start_xmit is pseudo-lockless - a lock is only required when
4035  * the tx queue is full. This way, we get the benefit of lockless
4036  * operations most of the time without the complexities to handle
4037  * netif_stop_queue/wake_queue race conditions.
4038  */
4039 static int
4040 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
4041 {
4042         struct bnx2 *bp = dev->priv;
4043         dma_addr_t mapping;
4044         struct tx_bd *txbd;
4045         struct sw_bd *tx_buf;
4046         u32 len, vlan_tag_flags, last_frag, mss;
4047         u16 prod, ring_prod;
4048         int i;
4049
4050         if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
4051                 netif_stop_queue(dev);
4052                 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
4053                         dev->name);
4054
4055                 return NETDEV_TX_BUSY;
4056         }
4057         len = skb_headlen(skb);
4058         prod = bp->tx_prod;
4059         ring_prod = TX_RING_IDX(prod);
4060
4061         vlan_tag_flags = 0;
4062         if (skb->ip_summed == CHECKSUM_HW) {
4063                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
4064         }
4065
4066         if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
4067                 vlan_tag_flags |=
4068                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
4069         }
4070 #ifdef BCM_TSO 
4071         if ((mss = skb_shinfo(skb)->tso_size) &&
4072                 (skb->len > (bp->dev->mtu + ETH_HLEN))) {
4073                 u32 tcp_opt_len, ip_tcp_len;
4074
4075                 if (skb_header_cloned(skb) &&
4076                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4077                         dev_kfree_skb(skb);
4078                         return NETDEV_TX_OK;
4079                 }
4080
4081                 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4082                 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
4083
4084                 tcp_opt_len = 0;
4085                 if (skb->h.th->doff > 5) {
4086                         tcp_opt_len = (skb->h.th->doff - 5) << 2;
4087                 }
4088                 ip_tcp_len = (skb->nh.iph->ihl << 2) + sizeof(struct tcphdr);
4089
4090                 skb->nh.iph->check = 0;
4091                 skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
4092                 skb->h.th->check =
4093                         ~csum_tcpudp_magic(skb->nh.iph->saddr,
4094                                             skb->nh.iph->daddr,
4095                                             0, IPPROTO_TCP, 0);
4096
4097                 if (tcp_opt_len || (skb->nh.iph->ihl > 5)) {
4098                         vlan_tag_flags |= ((skb->nh.iph->ihl - 5) +
4099                                 (tcp_opt_len >> 2)) << 8;
4100                 }
4101         }
4102         else
4103 #endif
4104         {
4105                 mss = 0;
4106         }
4107
4108         mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4109         
4110         tx_buf = &bp->tx_buf_ring[ring_prod];
4111         tx_buf->skb = skb;
4112         pci_unmap_addr_set(tx_buf, mapping, mapping);
4113
4114         txbd = &bp->tx_desc_ring[ring_prod];
4115
4116         txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4117         txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4118         txbd->tx_bd_mss_nbytes = len | (mss << 16);
4119         txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
4120
4121         last_frag = skb_shinfo(skb)->nr_frags;
4122
4123         for (i = 0; i < last_frag; i++) {
4124                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4125
4126                 prod = NEXT_TX_BD(prod);
4127                 ring_prod = TX_RING_IDX(prod);
4128                 txbd = &bp->tx_desc_ring[ring_prod];
4129
4130                 len = frag->size;
4131                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
4132                         len, PCI_DMA_TODEVICE);
4133                 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
4134                                 mapping, mapping);
4135
4136                 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4137                 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4138                 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4139                 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
4140
4141         }
4142         txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
4143
4144         prod = NEXT_TX_BD(prod);
4145         bp->tx_prod_bseq += skb->len;
4146
4147         REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
4148         REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
4149
4150         mmiowb();
4151
4152         bp->tx_prod = prod;
4153         dev->trans_start = jiffies;
4154
4155         if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
4156                 spin_lock(&bp->tx_lock);
4157                 netif_stop_queue(dev);
4158                 
4159                 if (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)
4160                         netif_wake_queue(dev);
4161                 spin_unlock(&bp->tx_lock);
4162         }
4163
4164         return NETDEV_TX_OK;
4165 }
4166
4167 /* Called with rtnl_lock */
4168 static int
4169 bnx2_close(struct net_device *dev)
4170 {
4171         struct bnx2 *bp = dev->priv;
4172         u32 reset_code;
4173
4174         /* Calling flush_scheduled_work() may deadlock because
4175          * linkwatch_event() may be on the workqueue and it will try to get
4176          * the rtnl_lock which we are holding.
4177          */
4178         while (bp->in_reset_task)
4179                 msleep(1);
4180
4181         bnx2_netif_stop(bp);
4182         del_timer_sync(&bp->timer);
4183         if (bp->wol)
4184                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4185         else
4186                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4187         bnx2_reset_chip(bp, reset_code);
4188         free_irq(bp->pdev->irq, dev);
4189         if (bp->flags & USING_MSI_FLAG) {
4190                 pci_disable_msi(bp->pdev);
4191                 bp->flags &= ~USING_MSI_FLAG;
4192         }
4193         bnx2_free_skbs(bp);
4194         bnx2_free_mem(bp);
4195         bp->link_up = 0;
4196         netif_carrier_off(bp->dev);
4197         bnx2_set_power_state(bp, PCI_D3hot);
4198         return 0;
4199 }
4200
4201 #define GET_NET_STATS64(ctr)                                    \
4202         (unsigned long) ((unsigned long) (ctr##_hi) << 32) +    \
4203         (unsigned long) (ctr##_lo)
4204
4205 #define GET_NET_STATS32(ctr)            \
4206         (ctr##_lo)
4207
4208 #if (BITS_PER_LONG == 64)
4209 #define GET_NET_STATS   GET_NET_STATS64
4210 #else
4211 #define GET_NET_STATS   GET_NET_STATS32
4212 #endif
4213
4214 static struct net_device_stats *
4215 bnx2_get_stats(struct net_device *dev)
4216 {
4217         struct bnx2 *bp = dev->priv;
4218         struct statistics_block *stats_blk = bp->stats_blk;
4219         struct net_device_stats *net_stats = &bp->net_stats;
4220
4221         if (bp->stats_blk == NULL) {
4222                 return net_stats;
4223         }
4224         net_stats->rx_packets =
4225                 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
4226                 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
4227                 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
4228
4229         net_stats->tx_packets =
4230                 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
4231                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
4232                 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
4233
4234         net_stats->rx_bytes =
4235                 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
4236
4237         net_stats->tx_bytes =
4238                 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
4239
4240         net_stats->multicast = 
4241                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
4242
4243         net_stats->collisions = 
4244                 (unsigned long) stats_blk->stat_EtherStatsCollisions;
4245
4246         net_stats->rx_length_errors = 
4247                 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
4248                 stats_blk->stat_EtherStatsOverrsizePkts);
4249
4250         net_stats->rx_over_errors = 
4251                 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
4252
4253         net_stats->rx_frame_errors = 
4254                 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
4255
4256         net_stats->rx_crc_errors = 
4257                 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
4258
4259         net_stats->rx_errors = net_stats->rx_length_errors +
4260                 net_stats->rx_over_errors + net_stats->rx_frame_errors +
4261                 net_stats->rx_crc_errors;
4262
4263         net_stats->tx_aborted_errors =
4264                 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
4265                 stats_blk->stat_Dot3StatsLateCollisions);
4266
4267         if (CHIP_NUM(bp) == CHIP_NUM_5706)
4268                 net_stats->tx_carrier_errors = 0;
4269         else {
4270                 net_stats->tx_carrier_errors =
4271                         (unsigned long)
4272                         stats_blk->stat_Dot3StatsCarrierSenseErrors;
4273         }
4274
4275         net_stats->tx_errors =
4276                 (unsigned long) 
4277                 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
4278                 +
4279                 net_stats->tx_aborted_errors +
4280                 net_stats->tx_carrier_errors;
4281
4282         return net_stats;
4283 }
4284
4285 /* All ethtool functions called with rtnl_lock */
4286
4287 static int
4288 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4289 {
4290         struct bnx2 *bp = dev->priv;
4291
4292         cmd->supported = SUPPORTED_Autoneg;
4293         if (bp->phy_flags & PHY_SERDES_FLAG) {
4294                 cmd->supported |= SUPPORTED_1000baseT_Full |
4295                         SUPPORTED_FIBRE;
4296
4297                 cmd->port = PORT_FIBRE;
4298         }
4299         else {
4300                 cmd->supported |= SUPPORTED_10baseT_Half |
4301                         SUPPORTED_10baseT_Full |
4302                         SUPPORTED_100baseT_Half |
4303                         SUPPORTED_100baseT_Full |
4304                         SUPPORTED_1000baseT_Full |
4305                         SUPPORTED_TP;
4306
4307                 cmd->port = PORT_TP;
4308         }
4309
4310         cmd->advertising = bp->advertising;
4311
4312         if (bp->autoneg & AUTONEG_SPEED) {
4313                 cmd->autoneg = AUTONEG_ENABLE;
4314         }
4315         else {
4316                 cmd->autoneg = AUTONEG_DISABLE;
4317         }
4318
4319         if (netif_carrier_ok(dev)) {
4320                 cmd->speed = bp->line_speed;
4321                 cmd->duplex = bp->duplex;
4322         }
4323         else {
4324                 cmd->speed = -1;
4325                 cmd->duplex = -1;
4326         }
4327
4328         cmd->transceiver = XCVR_INTERNAL;
4329         cmd->phy_address = bp->phy_addr;
4330
4331         return 0;
4332 }
4333   
4334 static int
4335 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4336 {
4337         struct bnx2 *bp = dev->priv;
4338         u8 autoneg = bp->autoneg;
4339         u8 req_duplex = bp->req_duplex;
4340         u16 req_line_speed = bp->req_line_speed;
4341         u32 advertising = bp->advertising;
4342
4343         if (cmd->autoneg == AUTONEG_ENABLE) {
4344                 autoneg |= AUTONEG_SPEED;
4345
4346                 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED; 
4347
4348                 /* allow advertising 1 speed */
4349                 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
4350                         (cmd->advertising == ADVERTISED_10baseT_Full) ||
4351                         (cmd->advertising == ADVERTISED_100baseT_Half) ||
4352                         (cmd->advertising == ADVERTISED_100baseT_Full)) {
4353
4354                         if (bp->phy_flags & PHY_SERDES_FLAG)
4355                                 return -EINVAL;
4356
4357                         advertising = cmd->advertising;
4358
4359                 }
4360                 else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
4361                         advertising = cmd->advertising;
4362                 }
4363                 else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
4364                         return -EINVAL;
4365                 }
4366                 else {
4367                         if (bp->phy_flags & PHY_SERDES_FLAG) {
4368                                 advertising = ETHTOOL_ALL_FIBRE_SPEED;
4369                         }
4370                         else {
4371                                 advertising = ETHTOOL_ALL_COPPER_SPEED;
4372                         }
4373                 }
4374                 advertising |= ADVERTISED_Autoneg;
4375         }
4376         else {
4377                 if (bp->phy_flags & PHY_SERDES_FLAG) {
4378                         if ((cmd->speed != SPEED_1000) ||
4379                                 (cmd->duplex != DUPLEX_FULL)) {
4380                                 return -EINVAL;
4381                         }
4382                 }
4383                 else if (cmd->speed == SPEED_1000) {
4384                         return -EINVAL;
4385                 }
4386                 autoneg &= ~AUTONEG_SPEED;
4387                 req_line_speed = cmd->speed;
4388                 req_duplex = cmd->duplex;
4389                 advertising = 0;
4390         }
4391
4392         bp->autoneg = autoneg;
4393         bp->advertising = advertising;
4394         bp->req_line_speed = req_line_speed;
4395         bp->req_duplex = req_duplex;
4396
4397         spin_lock_bh(&bp->phy_lock);
4398
4399         bnx2_setup_phy(bp);
4400
4401         spin_unlock_bh(&bp->phy_lock);
4402
4403         return 0;
4404 }
4405
4406 static void
4407 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
4408 {
4409         struct bnx2 *bp = dev->priv;
4410
4411         strcpy(info->driver, DRV_MODULE_NAME);
4412         strcpy(info->version, DRV_MODULE_VERSION);
4413         strcpy(info->bus_info, pci_name(bp->pdev));
4414         info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
4415         info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
4416         info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
4417         info->fw_version[6] = (bp->fw_ver & 0xff) + '0';
4418         info->fw_version[1] = info->fw_version[3] = info->fw_version[5] = '.';
4419         info->fw_version[7] = 0;
4420 }
4421
4422 static void
4423 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4424 {
4425         struct bnx2 *bp = dev->priv;
4426
4427         if (bp->flags & NO_WOL_FLAG) {
4428                 wol->supported = 0;
4429                 wol->wolopts = 0;
4430         }
4431         else {
4432                 wol->supported = WAKE_MAGIC;
4433                 if (bp->wol)
4434                         wol->wolopts = WAKE_MAGIC;
4435                 else
4436                         wol->wolopts = 0;
4437         }
4438         memset(&wol->sopass, 0, sizeof(wol->sopass));
4439 }
4440
4441 static int
4442 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4443 {
4444         struct bnx2 *bp = dev->priv;
4445
4446         if (wol->wolopts & ~WAKE_MAGIC)
4447                 return -EINVAL;
4448
4449         if (wol->wolopts & WAKE_MAGIC) {
4450                 if (bp->flags & NO_WOL_FLAG)
4451                         return -EINVAL;
4452
4453                 bp->wol = 1;
4454         }
4455         else {
4456                 bp->wol = 0;
4457         }
4458         return 0;
4459 }
4460
4461 static int
4462 bnx2_nway_reset(struct net_device *dev)
4463 {
4464         struct bnx2 *bp = dev->priv;
4465         u32 bmcr;
4466
4467         if (!(bp->autoneg & AUTONEG_SPEED)) {
4468                 return -EINVAL;
4469         }
4470
4471         spin_lock_bh(&bp->phy_lock);
4472
4473         /* Force a link down visible on the other side */
4474         if (bp->phy_flags & PHY_SERDES_FLAG) {
4475                 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
4476                 spin_unlock_bh(&bp->phy_lock);
4477
4478                 msleep(20);
4479
4480                 spin_lock_bh(&bp->phy_lock);
4481                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
4482                         bp->current_interval = SERDES_AN_TIMEOUT;
4483                         bp->serdes_an_pending = 1;
4484                         mod_timer(&bp->timer, jiffies + bp->current_interval);
4485                 }
4486         }
4487
4488         bnx2_read_phy(bp, MII_BMCR, &bmcr);
4489         bmcr &= ~BMCR_LOOPBACK;
4490         bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
4491
4492         spin_unlock_bh(&bp->phy_lock);
4493
4494         return 0;
4495 }
4496
4497 static int
4498 bnx2_get_eeprom_len(struct net_device *dev)
4499 {
4500         struct bnx2 *bp = dev->priv;
4501
4502         if (bp->flash_info == 0)
4503                 return 0;
4504
4505         return (int) bp->flash_info->total_size;
4506 }
4507
4508 static int
4509 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4510                 u8 *eebuf)
4511 {
4512         struct bnx2 *bp = dev->priv;
4513         int rc;
4514
4515         if (eeprom->offset > bp->flash_info->total_size)
4516                 return -EINVAL;
4517
4518         if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4519                 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4520
4521         rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
4522
4523         return rc;
4524 }
4525
4526 static int
4527 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4528                 u8 *eebuf)
4529 {
4530         struct bnx2 *bp = dev->priv;
4531         int rc;
4532
4533         if (eeprom->offset > bp->flash_info->total_size)
4534                 return -EINVAL;
4535
4536         if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4537                 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4538
4539         rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
4540
4541         return rc;
4542 }
4543
4544 static int
4545 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4546 {
4547         struct bnx2 *bp = dev->priv;
4548
4549         memset(coal, 0, sizeof(struct ethtool_coalesce));
4550
4551         coal->rx_coalesce_usecs = bp->rx_ticks;
4552         coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
4553         coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
4554         coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
4555
4556         coal->tx_coalesce_usecs = bp->tx_ticks;
4557         coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
4558         coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
4559         coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
4560
4561         coal->stats_block_coalesce_usecs = bp->stats_ticks;
4562
4563         return 0;
4564 }
4565
4566 static int
4567 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4568 {
4569         struct bnx2 *bp = dev->priv;
4570
4571         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
4572         if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
4573
4574         bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames; 
4575         if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
4576
4577         bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
4578         if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
4579
4580         bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
4581         if (bp->rx_quick_cons_trip_int > 0xff)
4582                 bp->rx_quick_cons_trip_int = 0xff;
4583
4584         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
4585         if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
4586
4587         bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
4588         if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
4589
4590         bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
4591         if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
4592
4593         bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
4594         if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
4595                 0xff;
4596
4597         bp->stats_ticks = coal->stats_block_coalesce_usecs;
4598         if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
4599         bp->stats_ticks &= 0xffff00;
4600
4601         if (netif_running(bp->dev)) {
4602                 bnx2_netif_stop(bp);
4603                 bnx2_init_nic(bp);
4604                 bnx2_netif_start(bp);
4605         }
4606
4607         return 0;
4608 }
4609
4610 static void
4611 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4612 {
4613         struct bnx2 *bp = dev->priv;
4614
4615         ering->rx_max_pending = MAX_RX_DESC_CNT;
4616         ering->rx_mini_max_pending = 0;
4617         ering->rx_jumbo_max_pending = 0;
4618
4619         ering->rx_pending = bp->rx_ring_size;
4620         ering->rx_mini_pending = 0;
4621         ering->rx_jumbo_pending = 0;
4622
4623         ering->tx_max_pending = MAX_TX_DESC_CNT;
4624         ering->tx_pending = bp->tx_ring_size;
4625 }
4626
4627 static int
4628 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4629 {
4630         struct bnx2 *bp = dev->priv;
4631
4632         if ((ering->rx_pending > MAX_RX_DESC_CNT) ||
4633                 (ering->tx_pending > MAX_TX_DESC_CNT) ||
4634                 (ering->tx_pending <= MAX_SKB_FRAGS)) {
4635
4636                 return -EINVAL;
4637         }
4638         bp->rx_ring_size = ering->rx_pending;
4639         bp->tx_ring_size = ering->tx_pending;
4640
4641         if (netif_running(bp->dev)) {
4642                 bnx2_netif_stop(bp);
4643                 bnx2_init_nic(bp);
4644                 bnx2_netif_start(bp);
4645         }
4646
4647         return 0;
4648 }
4649
4650 static void
4651 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4652 {
4653         struct bnx2 *bp = dev->priv;
4654
4655         epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
4656         epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
4657         epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
4658 }
4659
4660 static int
4661 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4662 {
4663         struct bnx2 *bp = dev->priv;
4664
4665         bp->req_flow_ctrl = 0;
4666         if (epause->rx_pause)
4667                 bp->req_flow_ctrl |= FLOW_CTRL_RX;
4668         if (epause->tx_pause)
4669                 bp->req_flow_ctrl |= FLOW_CTRL_TX;
4670
4671         if (epause->autoneg) {
4672                 bp->autoneg |= AUTONEG_FLOW_CTRL;
4673         }
4674         else {
4675                 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
4676         }
4677
4678         spin_lock_bh(&bp->phy_lock);
4679
4680         bnx2_setup_phy(bp);
4681
4682         spin_unlock_bh(&bp->phy_lock);
4683
4684         return 0;
4685 }
4686
4687 static u32
4688 bnx2_get_rx_csum(struct net_device *dev)
4689 {
4690         struct bnx2 *bp = dev->priv;
4691
4692         return bp->rx_csum;
4693 }
4694
4695 static int
4696 bnx2_set_rx_csum(struct net_device *dev, u32 data)
4697 {
4698         struct bnx2 *bp = dev->priv;
4699
4700         bp->rx_csum = data;
4701         return 0;
4702 }
4703
4704 #define BNX2_NUM_STATS 45
4705
4706 static struct {
4707         char string[ETH_GSTRING_LEN];
4708 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
4709         { "rx_bytes" },
4710         { "rx_error_bytes" },
4711         { "tx_bytes" },
4712         { "tx_error_bytes" },
4713         { "rx_ucast_packets" },
4714         { "rx_mcast_packets" },
4715         { "rx_bcast_packets" },
4716         { "tx_ucast_packets" },
4717         { "tx_mcast_packets" },
4718         { "tx_bcast_packets" },
4719         { "tx_mac_errors" },
4720         { "tx_carrier_errors" },
4721         { "rx_crc_errors" },
4722         { "rx_align_errors" },
4723         { "tx_single_collisions" },
4724         { "tx_multi_collisions" },
4725         { "tx_deferred" },
4726         { "tx_excess_collisions" },
4727         { "tx_late_collisions" },
4728         { "tx_total_collisions" },
4729         { "rx_fragments" },
4730         { "rx_jabbers" },
4731         { "rx_undersize_packets" },
4732         { "rx_oversize_packets" },
4733         { "rx_64_byte_packets" },
4734         { "rx_65_to_127_byte_packets" },
4735         { "rx_128_to_255_byte_packets" },
4736         { "rx_256_to_511_byte_packets" },
4737         { "rx_512_to_1023_byte_packets" },
4738         { "rx_1024_to_1522_byte_packets" },
4739         { "rx_1523_to_9022_byte_packets" },
4740         { "tx_64_byte_packets" },
4741         { "tx_65_to_127_byte_packets" },
4742         { "tx_128_to_255_byte_packets" },
4743         { "tx_256_to_511_byte_packets" },
4744         { "tx_512_to_1023_byte_packets" },
4745         { "tx_1024_to_1522_byte_packets" },
4746         { "tx_1523_to_9022_byte_packets" },
4747         { "rx_xon_frames" },
4748         { "rx_xoff_frames" },
4749         { "tx_xon_frames" },
4750         { "tx_xoff_frames" },
4751         { "rx_mac_ctrl_frames" },
4752         { "rx_filtered_packets" },
4753         { "rx_discards" },
4754 };
4755
4756 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
4757
4758 static unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
4759     STATS_OFFSET32(stat_IfHCInOctets_hi),
4760     STATS_OFFSET32(stat_IfHCInBadOctets_hi),
4761     STATS_OFFSET32(stat_IfHCOutOctets_hi),
4762     STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
4763     STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
4764     STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
4765     STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
4766     STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
4767     STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
4768     STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
4769     STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
4770     STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),                 
4771     STATS_OFFSET32(stat_Dot3StatsFCSErrors),                          
4772     STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),                    
4773     STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),              
4774     STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),            
4775     STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),              
4776     STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),                
4777     STATS_OFFSET32(stat_Dot3StatsLateCollisions),                     
4778     STATS_OFFSET32(stat_EtherStatsCollisions),                        
4779     STATS_OFFSET32(stat_EtherStatsFragments),                         
4780     STATS_OFFSET32(stat_EtherStatsJabbers),                           
4781     STATS_OFFSET32(stat_EtherStatsUndersizePkts),                     
4782     STATS_OFFSET32(stat_EtherStatsOverrsizePkts),                     
4783     STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),                    
4784     STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),         
4785     STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),        
4786     STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),        
4787     STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),       
4788     STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),      
4789     STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),      
4790     STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),                    
4791     STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),         
4792     STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),        
4793     STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),        
4794     STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),       
4795     STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),      
4796     STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),      
4797     STATS_OFFSET32(stat_XonPauseFramesReceived),                      
4798     STATS_OFFSET32(stat_XoffPauseFramesReceived),                     
4799     STATS_OFFSET32(stat_OutXonSent),                                  
4800     STATS_OFFSET32(stat_OutXoffSent),                                 
4801     STATS_OFFSET32(stat_MacControlFramesReceived),                    
4802     STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),                  
4803     STATS_OFFSET32(stat_IfInMBUFDiscards),                            
4804 };
4805
4806 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
4807  * skipped because of errata.
4808  */               
4809 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
4810         8,0,8,8,8,8,8,8,8,8,
4811         4,0,4,4,4,4,4,4,4,4,
4812         4,4,4,4,4,4,4,4,4,4,
4813         4,4,4,4,4,4,4,4,4,4,
4814         4,4,4,4,4,
4815 };
4816
4817 #define BNX2_NUM_TESTS 6
4818
4819 static struct {
4820         char string[ETH_GSTRING_LEN];
4821 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
4822         { "register_test (offline)" },
4823         { "memory_test (offline)" },
4824         { "loopback_test (offline)" },
4825         { "nvram_test (online)" },
4826         { "interrupt_test (online)" },
4827         { "link_test (online)" },
4828 };
4829
4830 static int
4831 bnx2_self_test_count(struct net_device *dev)
4832 {
4833         return BNX2_NUM_TESTS;
4834 }
4835
4836 static void
4837 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
4838 {
4839         struct bnx2 *bp = dev->priv;
4840
4841         memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
4842         if (etest->flags & ETH_TEST_FL_OFFLINE) {
4843                 bnx2_netif_stop(bp);
4844                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
4845                 bnx2_free_skbs(bp);
4846
4847                 if (bnx2_test_registers(bp) != 0) {
4848                         buf[0] = 1;
4849                         etest->flags |= ETH_TEST_FL_FAILED;
4850                 }
4851                 if (bnx2_test_memory(bp) != 0) {
4852                         buf[1] = 1;
4853                         etest->flags |= ETH_TEST_FL_FAILED;
4854                 }
4855                 if (bnx2_test_loopback(bp) != 0) {
4856                         buf[2] = 1;
4857                         etest->flags |= ETH_TEST_FL_FAILED;
4858                 }
4859
4860                 if (!netif_running(bp->dev)) {
4861                         bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
4862                 }
4863                 else {
4864                         bnx2_init_nic(bp);
4865                         bnx2_netif_start(bp);
4866                 }
4867
4868                 /* wait for link up */
4869                 msleep_interruptible(3000);
4870                 if ((!bp->link_up) && !(bp->phy_flags & PHY_SERDES_FLAG))
4871                         msleep_interruptible(4000);
4872         }
4873
4874         if (bnx2_test_nvram(bp) != 0) {
4875                 buf[3] = 1;
4876                 etest->flags |= ETH_TEST_FL_FAILED;
4877         }
4878         if (bnx2_test_intr(bp) != 0) {
4879                 buf[4] = 1;
4880                 etest->flags |= ETH_TEST_FL_FAILED;
4881         }
4882
4883         if (bnx2_test_link(bp) != 0) {
4884                 buf[5] = 1;
4885                 etest->flags |= ETH_TEST_FL_FAILED;
4886
4887         }
4888 }
4889
4890 static void
4891 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
4892 {
4893         switch (stringset) {
4894         case ETH_SS_STATS:
4895                 memcpy(buf, bnx2_stats_str_arr,
4896                         sizeof(bnx2_stats_str_arr));
4897                 break;
4898         case ETH_SS_TEST:
4899                 memcpy(buf, bnx2_tests_str_arr,
4900                         sizeof(bnx2_tests_str_arr));
4901                 break;
4902         }
4903 }
4904
4905 static int
4906 bnx2_get_stats_count(struct net_device *dev)
4907 {
4908         return BNX2_NUM_STATS;
4909 }
4910
4911 static void
4912 bnx2_get_ethtool_stats(struct net_device *dev,
4913                 struct ethtool_stats *stats, u64 *buf)
4914 {
4915         struct bnx2 *bp = dev->priv;
4916         int i;
4917         u32 *hw_stats = (u32 *) bp->stats_blk;
4918         u8 *stats_len_arr = NULL;
4919
4920         if (hw_stats == NULL) {
4921                 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
4922                 return;
4923         }
4924
4925         if (CHIP_NUM(bp) == CHIP_NUM_5706)
4926                 stats_len_arr = bnx2_5706_stats_len_arr;
4927
4928         for (i = 0; i < BNX2_NUM_STATS; i++) {
4929                 if (stats_len_arr[i] == 0) {
4930                         /* skip this counter */
4931                         buf[i] = 0;
4932                         continue;
4933                 }
4934                 if (stats_len_arr[i] == 4) {
4935                         /* 4-byte counter */
4936                         buf[i] = (u64)
4937                                 *(hw_stats + bnx2_stats_offset_arr[i]);
4938                         continue;
4939                 }
4940                 /* 8-byte counter */
4941                 buf[i] = (((u64) *(hw_stats +
4942                                         bnx2_stats_offset_arr[i])) << 32) +
4943                                 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
4944         }
4945 }
4946
4947 static int
4948 bnx2_phys_id(struct net_device *dev, u32 data)
4949 {
4950         struct bnx2 *bp = dev->priv;
4951         int i;
4952         u32 save;
4953
4954         if (data == 0)
4955                 data = 2;
4956
4957         save = REG_RD(bp, BNX2_MISC_CFG);
4958         REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
4959
4960         for (i = 0; i < (data * 2); i++) {
4961                 if ((i % 2) == 0) {
4962                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
4963                 }
4964                 else {
4965                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
4966                                 BNX2_EMAC_LED_1000MB_OVERRIDE |
4967                                 BNX2_EMAC_LED_100MB_OVERRIDE |
4968                                 BNX2_EMAC_LED_10MB_OVERRIDE |
4969                                 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
4970                                 BNX2_EMAC_LED_TRAFFIC);
4971                 }
4972                 msleep_interruptible(500);
4973                 if (signal_pending(current))
4974                         break;
4975         }
4976         REG_WR(bp, BNX2_EMAC_LED, 0);
4977         REG_WR(bp, BNX2_MISC_CFG, save);
4978         return 0;
4979 }
4980
4981 static struct ethtool_ops bnx2_ethtool_ops = {
4982         .get_settings           = bnx2_get_settings,
4983         .set_settings           = bnx2_set_settings,
4984         .get_drvinfo            = bnx2_get_drvinfo,
4985         .get_wol                = bnx2_get_wol,
4986         .set_wol                = bnx2_set_wol,
4987         .nway_reset             = bnx2_nway_reset,
4988         .get_link               = ethtool_op_get_link,
4989         .get_eeprom_len         = bnx2_get_eeprom_len,
4990         .get_eeprom             = bnx2_get_eeprom,
4991         .set_eeprom             = bnx2_set_eeprom,
4992         .get_coalesce           = bnx2_get_coalesce,
4993         .set_coalesce           = bnx2_set_coalesce,
4994         .get_ringparam          = bnx2_get_ringparam,
4995         .set_ringparam          = bnx2_set_ringparam,
4996         .get_pauseparam         = bnx2_get_pauseparam,
4997         .set_pauseparam         = bnx2_set_pauseparam,
4998         .get_rx_csum            = bnx2_get_rx_csum,
4999         .set_rx_csum            = bnx2_set_rx_csum,
5000         .get_tx_csum            = ethtool_op_get_tx_csum,
5001         .set_tx_csum            = ethtool_op_set_tx_csum,
5002         .get_sg                 = ethtool_op_get_sg,
5003         .set_sg                 = ethtool_op_set_sg,
5004 #ifdef BCM_TSO
5005         .get_tso                = ethtool_op_get_tso,
5006         .set_tso                = ethtool_op_set_tso,
5007 #endif
5008         .self_test_count        = bnx2_self_test_count,
5009         .self_test              = bnx2_self_test,
5010         .get_strings            = bnx2_get_strings,
5011         .phys_id                = bnx2_phys_id,
5012         .get_stats_count        = bnx2_get_stats_count,
5013         .get_ethtool_stats      = bnx2_get_ethtool_stats,
5014         .get_perm_addr          = ethtool_op_get_perm_addr,
5015 };
5016
5017 /* Called with rtnl_lock */
5018 static int
5019 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
5020 {
5021         struct mii_ioctl_data *data = if_mii(ifr);
5022         struct bnx2 *bp = dev->priv;
5023         int err;
5024
5025         switch(cmd) {
5026         case SIOCGMIIPHY:
5027                 data->phy_id = bp->phy_addr;
5028
5029                 /* fallthru */
5030         case SIOCGMIIREG: {
5031                 u32 mii_regval;
5032
5033                 spin_lock_bh(&bp->phy_lock);
5034                 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
5035                 spin_unlock_bh(&bp->phy_lock);
5036
5037                 data->val_out = mii_regval;
5038
5039                 return err;
5040         }
5041
5042         case SIOCSMIIREG:
5043                 if (!capable(CAP_NET_ADMIN))
5044                         return -EPERM;
5045
5046                 spin_lock_bh(&bp->phy_lock);
5047                 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
5048                 spin_unlock_bh(&bp->phy_lock);
5049
5050                 return err;
5051
5052         default:
5053                 /* do nothing */
5054                 break;
5055         }
5056         return -EOPNOTSUPP;
5057 }
5058
5059 /* Called with rtnl_lock */
5060 static int
5061 bnx2_change_mac_addr(struct net_device *dev, void *p)
5062 {
5063         struct sockaddr *addr = p;
5064         struct bnx2 *bp = dev->priv;
5065
5066         if (!is_valid_ether_addr(addr->sa_data))
5067                 return -EINVAL;
5068
5069         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5070         if (netif_running(dev))
5071                 bnx2_set_mac_addr(bp);
5072
5073         return 0;
5074 }
5075
5076 /* Called with rtnl_lock */
5077 static int
5078 bnx2_change_mtu(struct net_device *dev, int new_mtu)
5079 {
5080         struct bnx2 *bp = dev->priv;
5081
5082         if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
5083                 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
5084                 return -EINVAL;
5085
5086         dev->mtu = new_mtu;
5087         if (netif_running(dev)) {
5088                 bnx2_netif_stop(bp);
5089
5090                 bnx2_init_nic(bp);
5091
5092                 bnx2_netif_start(bp);
5093         }
5094         return 0;
5095 }
5096
5097 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5098 static void
5099 poll_bnx2(struct net_device *dev)
5100 {
5101         struct bnx2 *bp = dev->priv;
5102
5103         disable_irq(bp->pdev->irq);
5104         bnx2_interrupt(bp->pdev->irq, dev, NULL);
5105         enable_irq(bp->pdev->irq);
5106 }
5107 #endif
5108
5109 static int __devinit
5110 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
5111 {
5112         struct bnx2 *bp;
5113         unsigned long mem_len;
5114         int rc;
5115         u32 reg;
5116
5117         SET_MODULE_OWNER(dev);
5118         SET_NETDEV_DEV(dev, &pdev->dev);
5119         bp = dev->priv;
5120
5121         bp->flags = 0;
5122         bp->phy_flags = 0;
5123
5124         /* enable device (incl. PCI PM wakeup), and bus-mastering */
5125         rc = pci_enable_device(pdev);
5126         if (rc) {
5127                 printk(KERN_ERR PFX "Cannot enable PCI device, aborting.");
5128                 goto err_out;
5129         }
5130
5131         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
5132                 printk(KERN_ERR PFX "Cannot find PCI device base address, "
5133                        "aborting.\n");
5134                 rc = -ENODEV;
5135                 goto err_out_disable;
5136         }
5137
5138         rc = pci_request_regions(pdev, DRV_MODULE_NAME);
5139         if (rc) {
5140                 printk(KERN_ERR PFX "Cannot obtain PCI resources, aborting.\n");
5141                 goto err_out_disable;
5142         }
5143
5144         pci_set_master(pdev);
5145
5146         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
5147         if (bp->pm_cap == 0) {
5148                 printk(KERN_ERR PFX "Cannot find power management capability, "
5149                                "aborting.\n");
5150                 rc = -EIO;
5151                 goto err_out_release;
5152         }
5153
5154         bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
5155         if (bp->pcix_cap == 0) {
5156                 printk(KERN_ERR PFX "Cannot find PCIX capability, aborting.\n");
5157                 rc = -EIO;
5158                 goto err_out_release;
5159         }
5160
5161         if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
5162                 bp->flags |= USING_DAC_FLAG;
5163                 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
5164                         printk(KERN_ERR PFX "pci_set_consistent_dma_mask "
5165                                "failed, aborting.\n");
5166                         rc = -EIO;
5167                         goto err_out_release;
5168                 }
5169         }
5170         else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
5171                 printk(KERN_ERR PFX "System does not support DMA, aborting.\n");
5172                 rc = -EIO;
5173                 goto err_out_release;
5174         }
5175
5176         bp->dev = dev;
5177         bp->pdev = pdev;
5178
5179         spin_lock_init(&bp->phy_lock);
5180         spin_lock_init(&bp->tx_lock);
5181         INIT_WORK(&bp->reset_task, bnx2_reset_task, bp);
5182
5183         dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
5184         mem_len = MB_GET_CID_ADDR(17);
5185         dev->mem_end = dev->mem_start + mem_len;
5186         dev->irq = pdev->irq;
5187
5188         bp->regview = ioremap_nocache(dev->base_addr, mem_len);
5189
5190         if (!bp->regview) {
5191                 printk(KERN_ERR PFX "Cannot map register space, aborting.\n");
5192                 rc = -ENOMEM;
5193                 goto err_out_release;
5194         }
5195
5196         /* Configure byte swap and enable write to the reg_window registers.
5197          * Rely on CPU to do target byte swapping on big endian systems
5198          * The chip's target access swapping will not swap all accesses
5199          */
5200         pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
5201                                BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
5202                                BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
5203
5204         bnx2_set_power_state(bp, PCI_D0);
5205
5206         bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
5207
5208         bp->phy_addr = 1;
5209
5210         /* Get bus information. */
5211         reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
5212         if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
5213                 u32 clkreg;
5214
5215                 bp->flags |= PCIX_FLAG;
5216
5217                 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
5218                 
5219                 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
5220                 switch (clkreg) {
5221                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
5222                         bp->bus_speed_mhz = 133;
5223                         break;
5224
5225                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
5226                         bp->bus_speed_mhz = 100;
5227                         break;
5228
5229                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
5230                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
5231                         bp->bus_speed_mhz = 66;
5232                         break;
5233
5234                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
5235                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
5236                         bp->bus_speed_mhz = 50;
5237                         break;
5238
5239                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
5240                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
5241                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
5242                         bp->bus_speed_mhz = 33;
5243                         break;
5244                 }
5245         }
5246         else {
5247                 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
5248                         bp->bus_speed_mhz = 66;
5249                 else
5250                         bp->bus_speed_mhz = 33;
5251         }
5252
5253         if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
5254                 bp->flags |= PCI_32BIT_FLAG;
5255
5256         /* 5706A0 may falsely detect SERR and PERR. */
5257         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5258                 reg = REG_RD(bp, PCI_COMMAND);
5259                 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
5260                 REG_WR(bp, PCI_COMMAND, reg);
5261         }
5262         else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
5263                 !(bp->flags & PCIX_FLAG)) {
5264
5265                 printk(KERN_ERR PFX "5706 A1 can only be used in a PCIX bus, "
5266                        "aborting.\n");
5267                 goto err_out_unmap;
5268         }
5269
5270         bnx2_init_nvram(bp);
5271
5272         /* Get the permanent MAC address.  First we need to make sure the
5273          * firmware is actually running.
5274          */
5275         reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DEV_INFO_SIGNATURE);
5276
5277         if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
5278             BNX2_DEV_INFO_SIGNATURE_MAGIC) {
5279                 printk(KERN_ERR PFX "Firmware not running, aborting.\n");
5280                 rc = -ENODEV;
5281                 goto err_out_unmap;
5282         }
5283
5284         bp->fw_ver = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE +
5285                                 BNX2_DEV_INFO_BC_REV);
5286
5287         reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_PORT_HW_CFG_MAC_UPPER);
5288         bp->mac_addr[0] = (u8) (reg >> 8);
5289         bp->mac_addr[1] = (u8) reg;
5290
5291         reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_PORT_HW_CFG_MAC_LOWER);
5292         bp->mac_addr[2] = (u8) (reg >> 24);
5293         bp->mac_addr[3] = (u8) (reg >> 16);
5294         bp->mac_addr[4] = (u8) (reg >> 8);
5295         bp->mac_addr[5] = (u8) reg;
5296
5297         bp->tx_ring_size = MAX_TX_DESC_CNT;
5298         bp->rx_ring_size = 100;
5299
5300         bp->rx_csum = 1;
5301
5302         bp->rx_offset = sizeof(struct l2_fhdr) + 2;
5303
5304         bp->tx_quick_cons_trip_int = 20;
5305         bp->tx_quick_cons_trip = 20;
5306         bp->tx_ticks_int = 80;
5307         bp->tx_ticks = 80;
5308                 
5309         bp->rx_quick_cons_trip_int = 6;
5310         bp->rx_quick_cons_trip = 6;
5311         bp->rx_ticks_int = 18;
5312         bp->rx_ticks = 18;
5313
5314         bp->stats_ticks = 1000000 & 0xffff00;
5315
5316         bp->timer_interval =  HZ;
5317         bp->current_interval =  HZ;
5318
5319         /* Disable WOL support if we are running on a SERDES chip. */
5320         if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) {
5321                 bp->phy_flags |= PHY_SERDES_FLAG;
5322                 bp->flags |= NO_WOL_FLAG;
5323         }
5324
5325         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5326                 bp->tx_quick_cons_trip_int =
5327                         bp->tx_quick_cons_trip;
5328                 bp->tx_ticks_int = bp->tx_ticks;
5329                 bp->rx_quick_cons_trip_int =
5330                         bp->rx_quick_cons_trip;
5331                 bp->rx_ticks_int = bp->rx_ticks;
5332                 bp->comp_prod_trip_int = bp->comp_prod_trip;
5333                 bp->com_ticks_int = bp->com_ticks;
5334                 bp->cmd_ticks_int = bp->cmd_ticks;
5335         }
5336
5337         bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
5338         bp->req_line_speed = 0;
5339         if (bp->phy_flags & PHY_SERDES_FLAG) {
5340                 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
5341
5342                 reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE +
5343                                  BNX2_PORT_HW_CFG_CONFIG);
5344                 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
5345                 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
5346                         bp->autoneg = 0;
5347                         bp->req_line_speed = bp->line_speed = SPEED_1000;
5348                         bp->req_duplex = DUPLEX_FULL;
5349                 }
5350         }
5351         else {
5352                 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
5353         }
5354
5355         bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
5356
5357         init_timer(&bp->timer);
5358         bp->timer.expires = RUN_AT(bp->timer_interval);
5359         bp->timer.data = (unsigned long) bp;
5360         bp->timer.function = bnx2_timer;
5361
5362         return 0;
5363
5364 err_out_unmap:
5365         if (bp->regview) {
5366                 iounmap(bp->regview);
5367                 bp->regview = NULL;
5368         }
5369
5370 err_out_release:
5371         pci_release_regions(pdev);
5372
5373 err_out_disable:
5374         pci_disable_device(pdev);
5375         pci_set_drvdata(pdev, NULL);
5376
5377 err_out:
5378         return rc;
5379 }
5380
5381 static int __devinit
5382 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
5383 {
5384         static int version_printed = 0;
5385         struct net_device *dev = NULL;
5386         struct bnx2 *bp;
5387         int rc, i;
5388
5389         if (version_printed++ == 0)
5390                 printk(KERN_INFO "%s", version);
5391
5392         /* dev zeroed in init_etherdev */
5393         dev = alloc_etherdev(sizeof(*bp));
5394
5395         if (!dev)
5396                 return -ENOMEM;
5397
5398         rc = bnx2_init_board(pdev, dev);
5399         if (rc < 0) {
5400                 free_netdev(dev);
5401                 return rc;
5402         }
5403
5404         dev->open = bnx2_open;
5405         dev->hard_start_xmit = bnx2_start_xmit;
5406         dev->stop = bnx2_close;
5407         dev->get_stats = bnx2_get_stats;
5408         dev->set_multicast_list = bnx2_set_rx_mode;
5409         dev->do_ioctl = bnx2_ioctl;
5410         dev->set_mac_address = bnx2_change_mac_addr;
5411         dev->change_mtu = bnx2_change_mtu;
5412         dev->tx_timeout = bnx2_tx_timeout;
5413         dev->watchdog_timeo = TX_TIMEOUT;
5414 #ifdef BCM_VLAN
5415         dev->vlan_rx_register = bnx2_vlan_rx_register;
5416         dev->vlan_rx_kill_vid = bnx2_vlan_rx_kill_vid;
5417 #endif
5418         dev->poll = bnx2_poll;
5419         dev->ethtool_ops = &bnx2_ethtool_ops;
5420         dev->weight = 64;
5421
5422         bp = dev->priv;
5423
5424 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5425         dev->poll_controller = poll_bnx2;
5426 #endif
5427
5428         if ((rc = register_netdev(dev))) {
5429                 printk(KERN_ERR PFX "Cannot register net device\n");
5430                 if (bp->regview)
5431                         iounmap(bp->regview);
5432                 pci_release_regions(pdev);
5433                 pci_disable_device(pdev);
5434                 pci_set_drvdata(pdev, NULL);
5435                 free_netdev(dev);
5436                 return rc;
5437         }
5438
5439         pci_set_drvdata(pdev, dev);
5440
5441         memcpy(dev->dev_addr, bp->mac_addr, 6);
5442         memcpy(dev->perm_addr, bp->mac_addr, 6);
5443         bp->name = board_info[ent->driver_data].name,
5444         printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz found at mem %lx, "
5445                 "IRQ %d, ",
5446                 dev->name,
5447                 bp->name,
5448                 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
5449                 ((CHIP_ID(bp) & 0x0ff0) >> 4),
5450                 ((bp->flags & PCIX_FLAG) ? "-X" : ""),
5451                 ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
5452                 bp->bus_speed_mhz,
5453                 dev->base_addr,
5454                 bp->pdev->irq);
5455
5456         printk("node addr ");
5457         for (i = 0; i < 6; i++)
5458                 printk("%2.2x", dev->dev_addr[i]);
5459         printk("\n");
5460
5461         dev->features |= NETIF_F_SG;
5462         if (bp->flags & USING_DAC_FLAG)
5463                 dev->features |= NETIF_F_HIGHDMA;
5464         dev->features |= NETIF_F_IP_CSUM;
5465 #ifdef BCM_VLAN
5466         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
5467 #endif
5468 #ifdef BCM_TSO
5469         dev->features |= NETIF_F_TSO;
5470 #endif
5471
5472         netif_carrier_off(bp->dev);
5473
5474         return 0;
5475 }
5476
5477 static void __devexit
5478 bnx2_remove_one(struct pci_dev *pdev)
5479 {
5480         struct net_device *dev = pci_get_drvdata(pdev);
5481         struct bnx2 *bp = dev->priv;
5482
5483         flush_scheduled_work();
5484
5485         unregister_netdev(dev);
5486
5487         if (bp->regview)
5488                 iounmap(bp->regview);
5489
5490         free_netdev(dev);
5491         pci_release_regions(pdev);
5492         pci_disable_device(pdev);
5493         pci_set_drvdata(pdev, NULL);
5494 }
5495
5496 static int
5497 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
5498 {
5499         struct net_device *dev = pci_get_drvdata(pdev);
5500         struct bnx2 *bp = dev->priv;
5501         u32 reset_code;
5502
5503         if (!netif_running(dev))
5504                 return 0;
5505
5506         bnx2_netif_stop(bp);
5507         netif_device_detach(dev);
5508         del_timer_sync(&bp->timer);
5509         if (bp->wol)
5510                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5511         else
5512                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5513         bnx2_reset_chip(bp, reset_code);
5514         bnx2_free_skbs(bp);
5515         bnx2_set_power_state(bp, pci_choose_state(pdev, state));
5516         return 0;
5517 }
5518
5519 static int
5520 bnx2_resume(struct pci_dev *pdev)
5521 {
5522         struct net_device *dev = pci_get_drvdata(pdev);
5523         struct bnx2 *bp = dev->priv;
5524
5525         if (!netif_running(dev))
5526                 return 0;
5527
5528         bnx2_set_power_state(bp, PCI_D0);
5529         netif_device_attach(dev);
5530         bnx2_init_nic(bp);
5531         bnx2_netif_start(bp);
5532         return 0;
5533 }
5534
5535 static struct pci_driver bnx2_pci_driver = {
5536         .name           = DRV_MODULE_NAME,
5537         .id_table       = bnx2_pci_tbl,
5538         .probe          = bnx2_init_one,
5539         .remove         = __devexit_p(bnx2_remove_one),
5540         .suspend        = bnx2_suspend,
5541         .resume         = bnx2_resume,
5542 };
5543
5544 static int __init bnx2_init(void)
5545 {
5546         return pci_module_init(&bnx2_pci_driver);
5547 }
5548
5549 static void __exit bnx2_cleanup(void)
5550 {
5551         pci_unregister_driver(&bnx2_pci_driver);
5552 }
5553
5554 module_init(bnx2_init);
5555 module_exit(bnx2_cleanup);
5556
5557
5558