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[BNX2]: Fix UDP checksum verification
[deliverable/linux.git] / drivers / net / bnx2.c
CommitLineData
b6016b76
MC		 1/* bnx2.c: Broadcom NX2 network driver.
2 *
3 * Copyright (c) 2004, 2005 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Written by: Michael Chan (mchan@broadcom.com)
10 */
11
12#include "bnx2.h"
13#include "bnx2_fw.h"
14
15#define DRV_MODULE_NAME "bnx2"
16#define PFX DRV_MODULE_NAME ": "
05d0f1cf
MC		 17#define DRV_MODULE_VERSION "1.4.30"
18#define DRV_MODULE_RELDATE "October 11, 2005"
b6016b76
MC		 19
20#define RUN_AT(x) (jiffies + (x))
21
22/* Time in jiffies before concluding the transmitter is hung. */
23#define TX_TIMEOUT (5*HZ)
24
25static char version[] __devinitdata =
26 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
27
28MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
05d0f1cf 29MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
b6016b76
MC		 30MODULE_LICENSE("GPL");
31MODULE_VERSION(DRV_MODULE_VERSION);
32
33static int disable_msi = 0;
34
35module_param(disable_msi, int, 0);
36MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
37
38typedef enum {
39 BCM5706 = 0,
40 NC370T,
41 NC370I,
42 BCM5706S,
43 NC370F,
5b0c76ad
MC		 44 BCM5708,
45 BCM5708S,
b6016b76
MC		 46} board_t;
47
48/* indexed by board_t, above */
49static struct {
50 char *name;
51} board_info[] __devinitdata = {
52 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
53 { "HP NC370T Multifunction Gigabit Server Adapter" },
54 { "HP NC370i Multifunction Gigabit Server Adapter" },
55 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
56 { "HP NC370F Multifunction Gigabit Server Adapter" },
5b0c76ad
MC		 57 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
58 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
b6016b76
MC		 59 };
60
61static struct pci_device_id bnx2_pci_tbl[] = {
62 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
63 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
64 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
65 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
66 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
67 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
5b0c76ad
MC		 68 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
69 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
b6016b76
MC		 70 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
71 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
72 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
73 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
5b0c76ad
MC		 74 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
75 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
b6016b76
MC		 76 { 0, }
77};
78
79static struct flash_spec flash_table[] =
80{
81 /* Slow EEPROM */
37137709 82 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
b6016b76
MC		 83 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
84 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
85 "EEPROM - slow"},
37137709
MC		 86 /* Expansion entry 0001 */
87 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
b6016b76 88 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 89 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
90 "Entry 0001"},
b6016b76
MC		 91 /* Saifun SA25F010 (non-buffered flash) */
92 /* strap, cfg1, & write1 need updates */
37137709 93 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
b6016b76
MC		 94 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
95 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
96 "Non-buffered flash (128kB)"},
97 /* Saifun SA25F020 (non-buffered flash) */
98 /* strap, cfg1, & write1 need updates */
37137709 99 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
b6016b76
MC		 100 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
101 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
102 "Non-buffered flash (256kB)"},
37137709
MC		 103 /* Expansion entry 0100 */
104 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
105 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
106 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
107 "Entry 0100"},
108 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
109 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
110 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
111 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
112 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
113 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
114 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
115 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
116 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
117 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
118 /* Saifun SA25F005 (non-buffered flash) */
119 /* strap, cfg1, & write1 need updates */
120 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
121 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
122 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
123 "Non-buffered flash (64kB)"},
124 /* Fast EEPROM */
125 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
126 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
127 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
128 "EEPROM - fast"},
129 /* Expansion entry 1001 */
130 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
131 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
132 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
133 "Entry 1001"},
134 /* Expansion entry 1010 */
135 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
136 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
137 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
138 "Entry 1010"},
139 /* ATMEL AT45DB011B (buffered flash) */
140 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
141 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
142 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
143 "Buffered flash (128kB)"},
144 /* Expansion entry 1100 */
145 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
146 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
147 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
148 "Entry 1100"},
149 /* Expansion entry 1101 */
150 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
151 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
152 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
153 "Entry 1101"},
154 /* Ateml Expansion entry 1110 */
155 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
156 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
157 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
158 "Entry 1110 (Atmel)"},
159 /* ATMEL AT45DB021B (buffered flash) */
160 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
161 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
162 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
163 "Buffered flash (256kB)"},
b6016b76
MC		 164};
165
166MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
167
e89bbf10
MC		 168static inline u32 bnx2_tx_avail(struct bnx2 *bp)
169{
170 u32 diff = TX_RING_IDX(bp->tx_prod) - TX_RING_IDX(bp->tx_cons);
171
172 if (diff > MAX_TX_DESC_CNT)
173 diff = (diff & MAX_TX_DESC_CNT) - 1;
174 return (bp->tx_ring_size - diff);
175}
176
b6016b76
MC		 177static u32
178bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
179{
180 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
181 return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
182}
183
184static void
185bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
186{
187 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
188 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
189}
190
191static void
192bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
193{
194 offset += cid_addr;
195 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
196 REG_WR(bp, BNX2_CTX_DATA, val);
197}
198
199static int
200bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
201{
202 u32 val1;
203 int i, ret;
204
205 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
206 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
207 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
208
209 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
210 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
211
212 udelay(40);
213 }
214
215 val1 = (bp->phy_addr << 21) | (reg << 16) |
216 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
217 BNX2_EMAC_MDIO_COMM_START_BUSY;
218 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
219
220 for (i = 0; i < 50; i++) {
221 udelay(10);
222
223 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
224 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
225 udelay(5);
226
227 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
228 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
229
230 break;
231 }
232 }
233
234 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
235 *val = 0x0;
236 ret = -EBUSY;
237 }
238 else {
239 *val = val1;
240 ret = 0;
241 }
242
243 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
244 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
245 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
246
247 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
248 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
249
250 udelay(40);
251 }
252
253 return ret;
254}
255
256static int
257bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
258{
259 u32 val1;
260 int i, ret;
261
262 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
263 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
264 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
265
266 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
267 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
268
269 udelay(40);
270 }
271
272 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
273 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
274 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
275 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
276
277 for (i = 0; i < 50; i++) {
278 udelay(10);
279
280 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
281 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
282 udelay(5);
283 break;
284 }
285 }
286
287 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
288 ret = -EBUSY;
289 else
290 ret = 0;
291
292 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
293 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
294 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
295
296 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
297 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
298
299 udelay(40);
300 }
301
302 return ret;
303}
304
305static void
306bnx2_disable_int(struct bnx2 *bp)
307{
308 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
309 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
310 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
311}
312
313static void
314bnx2_enable_int(struct bnx2 *bp)
315{
316 u32 val;
317
318 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
319 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
320
321 val = REG_RD(bp, BNX2_HC_COMMAND);
322 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
323}
324
325static void
326bnx2_disable_int_sync(struct bnx2 *bp)
327{
328 atomic_inc(&bp->intr_sem);
329 bnx2_disable_int(bp);
330 synchronize_irq(bp->pdev->irq);
331}
332
333static void
334bnx2_netif_stop(struct bnx2 *bp)
335{
336 bnx2_disable_int_sync(bp);
337 if (netif_running(bp->dev)) {
338 netif_poll_disable(bp->dev);
339 netif_tx_disable(bp->dev);
340 bp->dev->trans_start = jiffies; /* prevent tx timeout */
341 }
342}
343
344static void
345bnx2_netif_start(struct bnx2 *bp)
346{
347 if (atomic_dec_and_test(&bp->intr_sem)) {
348 if (netif_running(bp->dev)) {
349 netif_wake_queue(bp->dev);
350 netif_poll_enable(bp->dev);
351 bnx2_enable_int(bp);
352 }
353 }
354}
355
356static void
357bnx2_free_mem(struct bnx2 *bp)
358{
359 if (bp->stats_blk) {
360 pci_free_consistent(bp->pdev, sizeof(struct statistics_block),
361 bp->stats_blk, bp->stats_blk_mapping);
362 bp->stats_blk = NULL;
363 }
364 if (bp->status_blk) {
365 pci_free_consistent(bp->pdev, sizeof(struct status_block),
366 bp->status_blk, bp->status_blk_mapping);
367 bp->status_blk = NULL;
368 }
369 if (bp->tx_desc_ring) {
370 pci_free_consistent(bp->pdev,
371 sizeof(struct tx_bd) * TX_DESC_CNT,
372 bp->tx_desc_ring, bp->tx_desc_mapping);
373 bp->tx_desc_ring = NULL;
374 }
b4558ea9
JJ		 375 kfree(bp->tx_buf_ring);
376 bp->tx_buf_ring = NULL;
b6016b76
MC		 377 if (bp->rx_desc_ring) {
378 pci_free_consistent(bp->pdev,
379 sizeof(struct rx_bd) * RX_DESC_CNT,
380 bp->rx_desc_ring, bp->rx_desc_mapping);
381 bp->rx_desc_ring = NULL;
382 }
b4558ea9
JJ		 383 kfree(bp->rx_buf_ring);
384 bp->rx_buf_ring = NULL;
b6016b76
MC		 385}
386
387static int
388bnx2_alloc_mem(struct bnx2 *bp)
389{
390 bp->tx_buf_ring = kmalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
391 GFP_KERNEL);
392 if (bp->tx_buf_ring == NULL)
393 return -ENOMEM;
394
395 memset(bp->tx_buf_ring, 0, sizeof(struct sw_bd) * TX_DESC_CNT);
396 bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
397 sizeof(struct tx_bd) *
398 TX_DESC_CNT,
399 &bp->tx_desc_mapping);
400 if (bp->tx_desc_ring == NULL)
401 goto alloc_mem_err;
402
403 bp->rx_buf_ring = kmalloc(sizeof(struct sw_bd) * RX_DESC_CNT,
404 GFP_KERNEL);
405 if (bp->rx_buf_ring == NULL)
406 goto alloc_mem_err;
407
408 memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT);
409 bp->rx_desc_ring = pci_alloc_consistent(bp->pdev,
410 sizeof(struct rx_bd) *
411 RX_DESC_CNT,
412 &bp->rx_desc_mapping);
413 if (bp->rx_desc_ring == NULL)
414 goto alloc_mem_err;
415
416 bp->status_blk = pci_alloc_consistent(bp->pdev,
417 sizeof(struct status_block),
418 &bp->status_blk_mapping);
419 if (bp->status_blk == NULL)
420 goto alloc_mem_err;
421
422 memset(bp->status_blk, 0, sizeof(struct status_block));
423
424 bp->stats_blk = pci_alloc_consistent(bp->pdev,
425 sizeof(struct statistics_block),
426 &bp->stats_blk_mapping);
427 if (bp->stats_blk == NULL)
428 goto alloc_mem_err;
429
430 memset(bp->stats_blk, 0, sizeof(struct statistics_block));
431
432 return 0;
433
434alloc_mem_err:
435 bnx2_free_mem(bp);
436 return -ENOMEM;
437}
438
e3648b3d
MC		 439static void
440bnx2_report_fw_link(struct bnx2 *bp)
441{
442 u32 fw_link_status = 0;
443
444 if (bp->link_up) {
445 u32 bmsr;
446
447 switch (bp->line_speed) {
448 case SPEED_10:
449 if (bp->duplex == DUPLEX_HALF)
450 fw_link_status = BNX2_LINK_STATUS_10HALF;
451 else
452 fw_link_status = BNX2_LINK_STATUS_10FULL;
453 break;
454 case SPEED_100:
455 if (bp->duplex == DUPLEX_HALF)
456 fw_link_status = BNX2_LINK_STATUS_100HALF;
457 else
458 fw_link_status = BNX2_LINK_STATUS_100FULL;
459 break;
460 case SPEED_1000:
461 if (bp->duplex == DUPLEX_HALF)
462 fw_link_status = BNX2_LINK_STATUS_1000HALF;
463 else
464 fw_link_status = BNX2_LINK_STATUS_1000FULL;
465 break;
466 case SPEED_2500:
467 if (bp->duplex == DUPLEX_HALF)
468 fw_link_status = BNX2_LINK_STATUS_2500HALF;
469 else
470 fw_link_status = BNX2_LINK_STATUS_2500FULL;
471 break;
472 }
473
474 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
475
476 if (bp->autoneg) {
477 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
478
479 bnx2_read_phy(bp, MII_BMSR, &bmsr);
480 bnx2_read_phy(bp, MII_BMSR, &bmsr);
481
482 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
483 bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
484 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
485 else
486 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
487 }
488 }
489 else
490 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
491
492 REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
493}
494
b6016b76
MC		 495static void
496bnx2_report_link(struct bnx2 *bp)
497{
498 if (bp->link_up) {
499 netif_carrier_on(bp->dev);
500 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
501
502 printk("%d Mbps ", bp->line_speed);
503
504 if (bp->duplex == DUPLEX_FULL)
505 printk("full duplex");
506 else
507 printk("half duplex");
508
509 if (bp->flow_ctrl) {
510 if (bp->flow_ctrl & FLOW_CTRL_RX) {
511 printk(", receive ");
512 if (bp->flow_ctrl & FLOW_CTRL_TX)
513 printk("& transmit ");
514 }
515 else {
516 printk(", transmit ");
517 }
518 printk("flow control ON");
519 }
520 printk("\n");
521 }
522 else {
523 netif_carrier_off(bp->dev);
524 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
525 }
e3648b3d
MC		 526
527 bnx2_report_fw_link(bp);
b6016b76
MC		 528}
529
530static void
531bnx2_resolve_flow_ctrl(struct bnx2 *bp)
532{
533 u32 local_adv, remote_adv;
534
535 bp->flow_ctrl = 0;
536 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
537 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
538
539 if (bp->duplex == DUPLEX_FULL) {
540 bp->flow_ctrl = bp->req_flow_ctrl;
541 }
542 return;
543 }
544
545 if (bp->duplex != DUPLEX_FULL) {
546 return;
547 }
548
5b0c76ad
MC		 549 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
550 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
551 u32 val;
552
553 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
554 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
555 bp->flow_ctrl |= FLOW_CTRL_TX;
556 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
557 bp->flow_ctrl |= FLOW_CTRL_RX;
558 return;
559 }
560
b6016b76
MC		 561 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
562 bnx2_read_phy(bp, MII_LPA, &remote_adv);
563
564 if (bp->phy_flags & PHY_SERDES_FLAG) {
565 u32 new_local_adv = 0;
566 u32 new_remote_adv = 0;
567
568 if (local_adv & ADVERTISE_1000XPAUSE)
569 new_local_adv |= ADVERTISE_PAUSE_CAP;
570 if (local_adv & ADVERTISE_1000XPSE_ASYM)
571 new_local_adv |= ADVERTISE_PAUSE_ASYM;
572 if (remote_adv & ADVERTISE_1000XPAUSE)
573 new_remote_adv |= ADVERTISE_PAUSE_CAP;
574 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
575 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
576
577 local_adv = new_local_adv;
578 remote_adv = new_remote_adv;
579 }
580
581 /* See Table 28B-3 of 802.3ab-1999 spec. */
582 if (local_adv & ADVERTISE_PAUSE_CAP) {
583 if(local_adv & ADVERTISE_PAUSE_ASYM) {
584 if (remote_adv & ADVERTISE_PAUSE_CAP) {
585 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
586 }
587 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
588 bp->flow_ctrl = FLOW_CTRL_RX;
589 }
590 }
591 else {
592 if (remote_adv & ADVERTISE_PAUSE_CAP) {
593 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
594 }
595 }
596 }
597 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
598 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
599 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
600
601 bp->flow_ctrl = FLOW_CTRL_TX;
602 }
603 }
604}
605
606static int
5b0c76ad
MC		 607bnx2_5708s_linkup(struct bnx2 *bp)
608{
609 u32 val;
610
611 bp->link_up = 1;
612 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
613 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
614 case BCM5708S_1000X_STAT1_SPEED_10:
615 bp->line_speed = SPEED_10;
616 break;
617 case BCM5708S_1000X_STAT1_SPEED_100:
618 bp->line_speed = SPEED_100;
619 break;
620 case BCM5708S_1000X_STAT1_SPEED_1G:
621 bp->line_speed = SPEED_1000;
622 break;
623 case BCM5708S_1000X_STAT1_SPEED_2G5:
624 bp->line_speed = SPEED_2500;
625 break;
626 }
627 if (val & BCM5708S_1000X_STAT1_FD)
628 bp->duplex = DUPLEX_FULL;
629 else
630 bp->duplex = DUPLEX_HALF;
631
632 return 0;
633}
634
635static int
636bnx2_5706s_linkup(struct bnx2 *bp)
b6016b76
MC		 637{
638 u32 bmcr, local_adv, remote_adv, common;
639
640 bp->link_up = 1;
641 bp->line_speed = SPEED_1000;
642
643 bnx2_read_phy(bp, MII_BMCR, &bmcr);
644 if (bmcr & BMCR_FULLDPLX) {
645 bp->duplex = DUPLEX_FULL;
646 }
647 else {
648 bp->duplex = DUPLEX_HALF;
649 }
650
651 if (!(bmcr & BMCR_ANENABLE)) {
652 return 0;
653 }
654
655 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
656 bnx2_read_phy(bp, MII_LPA, &remote_adv);
657
658 common = local_adv & remote_adv;
659 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
660
661 if (common & ADVERTISE_1000XFULL) {
662 bp->duplex = DUPLEX_FULL;
663 }
664 else {
665 bp->duplex = DUPLEX_HALF;
666 }
667 }
668
669 return 0;
670}
671
672static int
673bnx2_copper_linkup(struct bnx2 *bp)
674{
675 u32 bmcr;
676
677 bnx2_read_phy(bp, MII_BMCR, &bmcr);
678 if (bmcr & BMCR_ANENABLE) {
679 u32 local_adv, remote_adv, common;
680
681 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
682 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
683
684 common = local_adv & (remote_adv >> 2);
685 if (common & ADVERTISE_1000FULL) {
686 bp->line_speed = SPEED_1000;
687 bp->duplex = DUPLEX_FULL;
688 }
689 else if (common & ADVERTISE_1000HALF) {
690 bp->line_speed = SPEED_1000;
691 bp->duplex = DUPLEX_HALF;
692 }
693 else {
694 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
695 bnx2_read_phy(bp, MII_LPA, &remote_adv);
696
697 common = local_adv & remote_adv;
698 if (common & ADVERTISE_100FULL) {
699 bp->line_speed = SPEED_100;
700 bp->duplex = DUPLEX_FULL;
701 }
702 else if (common & ADVERTISE_100HALF) {
703 bp->line_speed = SPEED_100;
704 bp->duplex = DUPLEX_HALF;
705 }
706 else if (common & ADVERTISE_10FULL) {
707 bp->line_speed = SPEED_10;
708 bp->duplex = DUPLEX_FULL;
709 }
710 else if (common & ADVERTISE_10HALF) {
711 bp->line_speed = SPEED_10;
712 bp->duplex = DUPLEX_HALF;
713 }
714 else {
715 bp->line_speed = 0;
716 bp->link_up = 0;
717 }
718 }
719 }
720 else {
721 if (bmcr & BMCR_SPEED100) {
722 bp->line_speed = SPEED_100;
723 }
724 else {
725 bp->line_speed = SPEED_10;
726 }
727 if (bmcr & BMCR_FULLDPLX) {
728 bp->duplex = DUPLEX_FULL;
729 }
730 else {
731 bp->duplex = DUPLEX_HALF;
732 }
733 }
734
735 return 0;
736}
737
738static int
739bnx2_set_mac_link(struct bnx2 *bp)
740{
741 u32 val;
742
743 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
744 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
745 (bp->duplex == DUPLEX_HALF)) {
746 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
747 }
748
749 /* Configure the EMAC mode register. */
750 val = REG_RD(bp, BNX2_EMAC_MODE);
751
752 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
5b0c76ad
MC		 753 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
754 BNX2_EMAC_MODE_25G);
b6016b76
MC		 755
756 if (bp->link_up) {
5b0c76ad
MC		 757 switch (bp->line_speed) {
758 case SPEED_10:
759 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
760 val |= BNX2_EMAC_MODE_PORT_MII_10;
761 break;
762 }
763 /* fall through */
764 case SPEED_100:
765 val |= BNX2_EMAC_MODE_PORT_MII;
766 break;
767 case SPEED_2500:
768 val |= BNX2_EMAC_MODE_25G;
769 /* fall through */
770 case SPEED_1000:
771 val |= BNX2_EMAC_MODE_PORT_GMII;
772 break;
773 }
b6016b76
MC		 774 }
775 else {
776 val |= BNX2_EMAC_MODE_PORT_GMII;
777 }
778
779 /* Set the MAC to operate in the appropriate duplex mode. */
780 if (bp->duplex == DUPLEX_HALF)
781 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
782 REG_WR(bp, BNX2_EMAC_MODE, val);
783
784 /* Enable/disable rx PAUSE. */
785 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
786
787 if (bp->flow_ctrl & FLOW_CTRL_RX)
788 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
789 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
790
791 /* Enable/disable tx PAUSE. */
792 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
793 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
794
795 if (bp->flow_ctrl & FLOW_CTRL_TX)
796 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
797 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
798
799 /* Acknowledge the interrupt. */
800 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
801
802 return 0;
803}
804
805static int
806bnx2_set_link(struct bnx2 *bp)
807{
808 u32 bmsr;
809 u8 link_up;
810
811 if (bp->loopback == MAC_LOOPBACK) {
812 bp->link_up = 1;
813 return 0;
814 }
815
816 link_up = bp->link_up;
817
818 bnx2_read_phy(bp, MII_BMSR, &bmsr);
819 bnx2_read_phy(bp, MII_BMSR, &bmsr);
820
821 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
822 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
823 u32 val;
824
825 val = REG_RD(bp, BNX2_EMAC_STATUS);
826 if (val & BNX2_EMAC_STATUS_LINK)
827 bmsr |= BMSR_LSTATUS;
828 else
829 bmsr &= ~BMSR_LSTATUS;
830 }
831
832 if (bmsr & BMSR_LSTATUS) {
833 bp->link_up = 1;
834
835 if (bp->phy_flags & PHY_SERDES_FLAG) {
5b0c76ad
MC		 836 if (CHIP_NUM(bp) == CHIP_NUM_5706)
837 bnx2_5706s_linkup(bp);
838 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
839 bnx2_5708s_linkup(bp);
b6016b76
MC		 840 }
841 else {
842 bnx2_copper_linkup(bp);
843 }
844 bnx2_resolve_flow_ctrl(bp);
845 }
846 else {
847 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
848 (bp->autoneg & AUTONEG_SPEED)) {
849
850 u32 bmcr;
851
852 bnx2_read_phy(bp, MII_BMCR, &bmcr);
853 if (!(bmcr & BMCR_ANENABLE)) {
854 bnx2_write_phy(bp, MII_BMCR, bmcr |
855 BMCR_ANENABLE);
856 }
857 }
858 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
859 bp->link_up = 0;
860 }
861
862 if (bp->link_up != link_up) {
863 bnx2_report_link(bp);
864 }
865
866 bnx2_set_mac_link(bp);
867
868 return 0;
869}
870
871static int
872bnx2_reset_phy(struct bnx2 *bp)
873{
874 int i;
875 u32 reg;
876
877 bnx2_write_phy(bp, MII_BMCR, BMCR_RESET);
878
879#define PHY_RESET_MAX_WAIT 100
880 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
881 udelay(10);
882
883 bnx2_read_phy(bp, MII_BMCR, &reg);
884 if (!(reg & BMCR_RESET)) {
885 udelay(20);
886 break;
887 }
888 }
889 if (i == PHY_RESET_MAX_WAIT) {
890 return -EBUSY;
891 }
892 return 0;
893}
894
895static u32
896bnx2_phy_get_pause_adv(struct bnx2 *bp)
897{
898 u32 adv = 0;
899
900 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
901 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
902
903 if (bp->phy_flags & PHY_SERDES_FLAG) {
904 adv = ADVERTISE_1000XPAUSE;
905 }
906 else {
907 adv = ADVERTISE_PAUSE_CAP;
908 }
909 }
910 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
911 if (bp->phy_flags & PHY_SERDES_FLAG) {
912 adv = ADVERTISE_1000XPSE_ASYM;
913 }
914 else {
915 adv = ADVERTISE_PAUSE_ASYM;
916 }
917 }
918 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
919 if (bp->phy_flags & PHY_SERDES_FLAG) {
920 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
921 }
922 else {
923 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
924 }
925 }
926 return adv;
927}
928
929static int
930bnx2_setup_serdes_phy(struct bnx2 *bp)
931{
5b0c76ad 932 u32 adv, bmcr, up1;
b6016b76
MC		 933 u32 new_adv = 0;
934
935 if (!(bp->autoneg & AUTONEG_SPEED)) {
936 u32 new_bmcr;
5b0c76ad
MC		 937 int force_link_down = 0;
938
939 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
940 bnx2_read_phy(bp, BCM5708S_UP1, &up1);
941 if (up1 & BCM5708S_UP1_2G5) {
942 up1 &= ~BCM5708S_UP1_2G5;
943 bnx2_write_phy(bp, BCM5708S_UP1, up1);
944 force_link_down = 1;
945 }
946 }
947
948 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
949 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
b6016b76
MC		 950
951 bnx2_read_phy(bp, MII_BMCR, &bmcr);
952 new_bmcr = bmcr & ~BMCR_ANENABLE;
953 new_bmcr |= BMCR_SPEED1000;
954 if (bp->req_duplex == DUPLEX_FULL) {
5b0c76ad 955 adv |= ADVERTISE_1000XFULL;
b6016b76
MC		 956 new_bmcr |= BMCR_FULLDPLX;
957 }
958 else {
5b0c76ad 959 adv |= ADVERTISE_1000XHALF;
b6016b76
MC		 960 new_bmcr &= ~BMCR_FULLDPLX;
961 }
5b0c76ad 962 if ((new_bmcr != bmcr) || (force_link_down)) {
b6016b76
MC		 963 /* Force a link down visible on the other side */
964 if (bp->link_up) {
5b0c76ad
MC		 965 bnx2_write_phy(bp, MII_ADVERTISE, adv &
966 ~(ADVERTISE_1000XFULL |
967 ADVERTISE_1000XHALF));
b6016b76
MC		 968 bnx2_write_phy(bp, MII_BMCR, bmcr |
969 BMCR_ANRESTART | BMCR_ANENABLE);
970
971 bp->link_up = 0;
972 netif_carrier_off(bp->dev);
5b0c76ad 973 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
b6016b76 974 }
5b0c76ad 975 bnx2_write_phy(bp, MII_ADVERTISE, adv);
b6016b76
MC		 976 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
977 }
978 return 0;
979 }
980
5b0c76ad
MC		 981 if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
982 bnx2_read_phy(bp, BCM5708S_UP1, &up1);
983 up1 |= BCM5708S_UP1_2G5;
984 bnx2_write_phy(bp, BCM5708S_UP1, up1);
985 }
986
b6016b76
MC		 987 if (bp->advertising & ADVERTISED_1000baseT_Full)
988 new_adv |= ADVERTISE_1000XFULL;
989
990 new_adv |= bnx2_phy_get_pause_adv(bp);
991
992 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
993 bnx2_read_phy(bp, MII_BMCR, &bmcr);
994
995 bp->serdes_an_pending = 0;
996 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
997 /* Force a link down visible on the other side */
998 if (bp->link_up) {
999 int i;
1000
1001 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
1002 for (i = 0; i < 110; i++) {
1003 udelay(100);
1004 }
1005 }
1006
1007 bnx2_write_phy(bp, MII_ADVERTISE, new_adv);
1008 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART |
1009 BMCR_ANENABLE);
cd339a0e
MC		 1010 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
1011 /* Speed up link-up time when the link partner
1012 * does not autonegotiate which is very common
1013 * in blade servers. Some blade servers use
1014 * IPMI for kerboard input and it's important
1015 * to minimize link disruptions. Autoneg. involves
1016 * exchanging base pages plus 3 next pages and
1017 * normally completes in about 120 msec.
1018 */
1019 bp->current_interval = SERDES_AN_TIMEOUT;
1020 bp->serdes_an_pending = 1;
1021 mod_timer(&bp->timer, jiffies + bp->current_interval);
1022 }
b6016b76
MC		 1023 }
1024
1025 return 0;
1026}
1027
1028#define ETHTOOL_ALL_FIBRE_SPEED \
1029 (ADVERTISED_1000baseT_Full)
1030
1031#define ETHTOOL_ALL_COPPER_SPEED \
1032 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1033 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1034 ADVERTISED_1000baseT_Full)
1035
1036#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1037 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1038
1039#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1040
1041static int
1042bnx2_setup_copper_phy(struct bnx2 *bp)
1043{
1044 u32 bmcr;
1045 u32 new_bmcr;
1046
1047 bnx2_read_phy(bp, MII_BMCR, &bmcr);
1048
1049 if (bp->autoneg & AUTONEG_SPEED) {
1050 u32 adv_reg, adv1000_reg;
1051 u32 new_adv_reg = 0;
1052 u32 new_adv1000_reg = 0;
1053
1054 bnx2_read_phy(bp, MII_ADVERTISE, &adv_reg);
1055 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1056 ADVERTISE_PAUSE_ASYM);
1057
1058 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1059 adv1000_reg &= PHY_ALL_1000_SPEED;
1060
1061 if (bp->advertising & ADVERTISED_10baseT_Half)
1062 new_adv_reg |= ADVERTISE_10HALF;
1063 if (bp->advertising & ADVERTISED_10baseT_Full)
1064 new_adv_reg |= ADVERTISE_10FULL;
1065 if (bp->advertising & ADVERTISED_100baseT_Half)
1066 new_adv_reg |= ADVERTISE_100HALF;
1067 if (bp->advertising & ADVERTISED_100baseT_Full)
1068 new_adv_reg |= ADVERTISE_100FULL;
1069 if (bp->advertising & ADVERTISED_1000baseT_Full)
1070 new_adv1000_reg |= ADVERTISE_1000FULL;
1071
1072 new_adv_reg |= ADVERTISE_CSMA;
1073
1074 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1075
1076 if ((adv1000_reg != new_adv1000_reg) ||
1077 (adv_reg != new_adv_reg) ||
1078 ((bmcr & BMCR_ANENABLE) == 0)) {
1079
1080 bnx2_write_phy(bp, MII_ADVERTISE, new_adv_reg);
1081 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1082 bnx2_write_phy(bp, MII_BMCR, BMCR_ANRESTART |
1083 BMCR_ANENABLE);
1084 }
1085 else if (bp->link_up) {
1086 /* Flow ctrl may have changed from auto to forced */
1087 /* or vice-versa. */
1088
1089 bnx2_resolve_flow_ctrl(bp);
1090 bnx2_set_mac_link(bp);
1091 }
1092 return 0;
1093 }
1094
1095 new_bmcr = 0;
1096 if (bp->req_line_speed == SPEED_100) {
1097 new_bmcr |= BMCR_SPEED100;
1098 }
1099 if (bp->req_duplex == DUPLEX_FULL) {
1100 new_bmcr |= BMCR_FULLDPLX;
1101 }
1102 if (new_bmcr != bmcr) {
1103 u32 bmsr;
1104 int i = 0;
1105
1106 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1107 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1108
1109 if (bmsr & BMSR_LSTATUS) {
1110 /* Force link down */
1111 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
1112 do {
1113 udelay(100);
1114 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1115 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1116 i++;
1117 } while ((bmsr & BMSR_LSTATUS) && (i < 620));
1118 }
1119
1120 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
1121
1122 /* Normally, the new speed is setup after the link has
1123 * gone down and up again. In some cases, link will not go
1124 * down so we need to set up the new speed here.
1125 */
1126 if (bmsr & BMSR_LSTATUS) {
1127 bp->line_speed = bp->req_line_speed;
1128 bp->duplex = bp->req_duplex;
1129 bnx2_resolve_flow_ctrl(bp);
1130 bnx2_set_mac_link(bp);
1131 }
1132 }
1133 return 0;
1134}
1135
1136static int
1137bnx2_setup_phy(struct bnx2 *bp)
1138{
1139 if (bp->loopback == MAC_LOOPBACK)
1140 return 0;
1141
1142 if (bp->phy_flags & PHY_SERDES_FLAG) {
1143 return (bnx2_setup_serdes_phy(bp));
1144 }
1145 else {
1146 return (bnx2_setup_copper_phy(bp));
1147 }
1148}
1149
1150static int
5b0c76ad
MC		 1151bnx2_init_5708s_phy(struct bnx2 *bp)
1152{
1153 u32 val;
1154
1155 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1156 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1157 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1158
1159 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1160 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1161 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1162
1163 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1164 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1165 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1166
1167 if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
1168 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1169 val |= BCM5708S_UP1_2G5;
1170 bnx2_write_phy(bp, BCM5708S_UP1, val);
1171 }
1172
1173 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
dda1e390
MC		 1174 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1175 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
5b0c76ad
MC		 1176 /* increase tx signal amplitude */
1177 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1178 BCM5708S_BLK_ADDR_TX_MISC);
1179 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1180 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1181 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1182 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1183 }
1184
e3648b3d 1185 val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
5b0c76ad
MC		 1186 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1187
1188 if (val) {
1189 u32 is_backplane;
1190
e3648b3d 1191 is_backplane = REG_RD_IND(bp, bp->shmem_base +
5b0c76ad
MC		 1192 BNX2_SHARED_HW_CFG_CONFIG);
1193 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1194 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1195 BCM5708S_BLK_ADDR_TX_MISC);
1196 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1197 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1198 BCM5708S_BLK_ADDR_DIG);
1199 }
1200 }
1201 return 0;
1202}
1203
1204static int
1205bnx2_init_5706s_phy(struct bnx2 *bp)
b6016b76
MC		 1206{
1207 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
1208
1209 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
1210 REG_WR(bp, BNX2_MISC_UNUSED0, 0x300);
1211 }
1212
1213 if (bp->dev->mtu > 1500) {
1214 u32 val;
1215
1216 /* Set extended packet length bit */
1217 bnx2_write_phy(bp, 0x18, 0x7);
1218 bnx2_read_phy(bp, 0x18, &val);
1219 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
1220
1221 bnx2_write_phy(bp, 0x1c, 0x6c00);
1222 bnx2_read_phy(bp, 0x1c, &val);
1223 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
1224 }
1225 else {
1226 u32 val;
1227
1228 bnx2_write_phy(bp, 0x18, 0x7);
1229 bnx2_read_phy(bp, 0x18, &val);
1230 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1231
1232 bnx2_write_phy(bp, 0x1c, 0x6c00);
1233 bnx2_read_phy(bp, 0x1c, &val);
1234 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
1235 }
1236
1237 return 0;
1238}
1239
1240static int
1241bnx2_init_copper_phy(struct bnx2 *bp)
1242{
5b0c76ad
MC		 1243 u32 val;
1244
b6016b76
MC		 1245 bp->phy_flags |= PHY_CRC_FIX_FLAG;
1246
1247 if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
1248 bnx2_write_phy(bp, 0x18, 0x0c00);
1249 bnx2_write_phy(bp, 0x17, 0x000a);
1250 bnx2_write_phy(bp, 0x15, 0x310b);
1251 bnx2_write_phy(bp, 0x17, 0x201f);
1252 bnx2_write_phy(bp, 0x15, 0x9506);
1253 bnx2_write_phy(bp, 0x17, 0x401f);
1254 bnx2_write_phy(bp, 0x15, 0x14e2);
1255 bnx2_write_phy(bp, 0x18, 0x0400);
1256 }
1257
1258 if (bp->dev->mtu > 1500) {
b6016b76
MC		 1259 /* Set extended packet length bit */
1260 bnx2_write_phy(bp, 0x18, 0x7);
1261 bnx2_read_phy(bp, 0x18, &val);
1262 bnx2_write_phy(bp, 0x18, val | 0x4000);
1263
1264 bnx2_read_phy(bp, 0x10, &val);
1265 bnx2_write_phy(bp, 0x10, val | 0x1);
1266 }
1267 else {
b6016b76
MC		 1268 bnx2_write_phy(bp, 0x18, 0x7);
1269 bnx2_read_phy(bp, 0x18, &val);
1270 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1271
1272 bnx2_read_phy(bp, 0x10, &val);
1273 bnx2_write_phy(bp, 0x10, val & ~0x1);
1274 }
1275
5b0c76ad
MC		 1276 /* ethernet@wirespeed */
1277 bnx2_write_phy(bp, 0x18, 0x7007);
1278 bnx2_read_phy(bp, 0x18, &val);
1279 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
b6016b76
MC		 1280 return 0;
1281}
1282
1283
1284static int
1285bnx2_init_phy(struct bnx2 *bp)
1286{
1287 u32 val;
1288 int rc = 0;
1289
1290 bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
1291 bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
1292
1293 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
1294
1295 bnx2_reset_phy(bp);
1296
1297 bnx2_read_phy(bp, MII_PHYSID1, &val);
1298 bp->phy_id = val << 16;
1299 bnx2_read_phy(bp, MII_PHYSID2, &val);
1300 bp->phy_id |= val & 0xffff;
1301
1302 if (bp->phy_flags & PHY_SERDES_FLAG) {
5b0c76ad
MC		 1303 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1304 rc = bnx2_init_5706s_phy(bp);
1305 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1306 rc = bnx2_init_5708s_phy(bp);
b6016b76
MC		 1307 }
1308 else {
1309 rc = bnx2_init_copper_phy(bp);
1310 }
1311
1312 bnx2_setup_phy(bp);
1313
1314 return rc;
1315}
1316
1317static int
1318bnx2_set_mac_loopback(struct bnx2 *bp)
1319{
1320 u32 mac_mode;
1321
1322 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1323 mac_mode &= ~BNX2_EMAC_MODE_PORT;
1324 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
1325 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1326 bp->link_up = 1;
1327 return 0;
1328}
1329
1330static int
b090ae2b 1331bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
b6016b76
MC		 1332{
1333 int i;
1334 u32 val;
1335
b6016b76
MC		 1336 bp->fw_wr_seq++;
1337 msg_data |= bp->fw_wr_seq;
1338
e3648b3d 1339 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
b6016b76
MC		 1340
1341 /* wait for an acknowledgement. */
b090ae2b
MC		 1342 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
1343 msleep(10);
b6016b76 1344
e3648b3d 1345 val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
b6016b76
MC		 1346
1347 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
1348 break;
1349 }
b090ae2b
MC		 1350 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
1351 return 0;
b6016b76
MC		 1352
1353 /* If we timed out, inform the firmware that this is the case. */
b090ae2b
MC		 1354 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
1355 if (!silent)
1356 printk(KERN_ERR PFX "fw sync timeout, reset code = "
1357 "%x\n", msg_data);
b6016b76
MC		 1358
1359 msg_data &= ~BNX2_DRV_MSG_CODE;
1360 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
1361
e3648b3d 1362 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
b6016b76 1363
b6016b76
MC		 1364 return -EBUSY;
1365 }
1366
b090ae2b
MC		 1367 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
1368 return -EIO;
1369
b6016b76
MC		 1370 return 0;
1371}
1372
1373static void
1374bnx2_init_context(struct bnx2 *bp)
1375{
1376 u32 vcid;
1377
1378 vcid = 96;
1379 while (vcid) {
1380 u32 vcid_addr, pcid_addr, offset;
1381
1382 vcid--;
1383
1384 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
1385 u32 new_vcid;
1386
1387 vcid_addr = GET_PCID_ADDR(vcid);
1388 if (vcid & 0x8) {
1389 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
1390 }
1391 else {
1392 new_vcid = vcid;
1393 }
1394 pcid_addr = GET_PCID_ADDR(new_vcid);
1395 }
1396 else {
1397 vcid_addr = GET_CID_ADDR(vcid);
1398 pcid_addr = vcid_addr;
1399 }
1400
1401 REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
1402 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1403
1404 /* Zero out the context. */
1405 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) {
1406 CTX_WR(bp, 0x00, offset, 0);
1407 }
1408
1409 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
1410 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1411 }
1412}
1413
1414static int
1415bnx2_alloc_bad_rbuf(struct bnx2 *bp)
1416{
1417 u16 *good_mbuf;
1418 u32 good_mbuf_cnt;
1419 u32 val;
1420
1421 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
1422 if (good_mbuf == NULL) {
1423 printk(KERN_ERR PFX "Failed to allocate memory in "
1424 "bnx2_alloc_bad_rbuf\n");
1425 return -ENOMEM;
1426 }
1427
1428 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
1429 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
1430
1431 good_mbuf_cnt = 0;
1432
1433 /* Allocate a bunch of mbufs and save the good ones in an array. */
1434 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1435 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
1436 REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
1437
1438 val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
1439
1440 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
1441
1442 /* The addresses with Bit 9 set are bad memory blocks. */
1443 if (!(val & (1 << 9))) {
1444 good_mbuf[good_mbuf_cnt] = (u16) val;
1445 good_mbuf_cnt++;
1446 }
1447
1448 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1449 }
1450
1451 /* Free the good ones back to the mbuf pool thus discarding
1452 * all the bad ones. */
1453 while (good_mbuf_cnt) {
1454 good_mbuf_cnt--;
1455
1456 val = good_mbuf[good_mbuf_cnt];
1457 val = (val << 9) | val | 1;
1458
1459 REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
1460 }
1461 kfree(good_mbuf);
1462 return 0;
1463}
1464
1465static void
1466bnx2_set_mac_addr(struct bnx2 *bp)
1467{
1468 u32 val;
1469 u8 *mac_addr = bp->dev->dev_addr;
1470
1471 val = (mac_addr[0] << 8) | mac_addr[1];
1472
1473 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
1474
1475 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
1476 (mac_addr[4] << 8) | mac_addr[5];
1477
1478 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
1479}
1480
1481static inline int
1482bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
1483{
1484 struct sk_buff *skb;
1485 struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
1486 dma_addr_t mapping;
1487 struct rx_bd *rxbd = &bp->rx_desc_ring[index];
1488 unsigned long align;
1489
1490 skb = dev_alloc_skb(bp->rx_buf_size);
1491 if (skb == NULL) {
1492 return -ENOMEM;
1493 }
1494
1495 if (unlikely((align = (unsigned long) skb->data & 0x7))) {
1496 skb_reserve(skb, 8 - align);
1497 }
1498
1499 skb->dev = bp->dev;
1500 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1501 PCI_DMA_FROMDEVICE);
1502
1503 rx_buf->skb = skb;
1504 pci_unmap_addr_set(rx_buf, mapping, mapping);
1505
1506 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
1507 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
1508
1509 bp->rx_prod_bseq += bp->rx_buf_use_size;
1510
1511 return 0;
1512}
1513
1514static void
1515bnx2_phy_int(struct bnx2 *bp)
1516{
1517 u32 new_link_state, old_link_state;
1518
1519 new_link_state = bp->status_blk->status_attn_bits &
1520 STATUS_ATTN_BITS_LINK_STATE;
1521 old_link_state = bp->status_blk->status_attn_bits_ack &
1522 STATUS_ATTN_BITS_LINK_STATE;
1523 if (new_link_state != old_link_state) {
1524 if (new_link_state) {
1525 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD,
1526 STATUS_ATTN_BITS_LINK_STATE);
1527 }
1528 else {
1529 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD,
1530 STATUS_ATTN_BITS_LINK_STATE);
1531 }
1532 bnx2_set_link(bp);
1533 }
1534}
1535
1536static void
1537bnx2_tx_int(struct bnx2 *bp)
1538{
f4e418f7 1539 struct status_block *sblk = bp->status_blk;
b6016b76
MC		 1540 u16 hw_cons, sw_cons, sw_ring_cons;
1541 int tx_free_bd = 0;
1542
f4e418f7 1543 hw_cons = bp->hw_tx_cons = sblk->status_tx_quick_consumer_index0;
b6016b76
MC		 1544 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1545 hw_cons++;
1546 }
1547 sw_cons = bp->tx_cons;
1548
1549 while (sw_cons != hw_cons) {
1550 struct sw_bd *tx_buf;
1551 struct sk_buff *skb;
1552 int i, last;
1553
1554 sw_ring_cons = TX_RING_IDX(sw_cons);
1555
1556 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
1557 skb = tx_buf->skb;
1558#ifdef BCM_TSO
1559 /* partial BD completions possible with TSO packets */
1560 if (skb_shinfo(skb)->tso_size) {
1561 u16 last_idx, last_ring_idx;
1562
1563 last_idx = sw_cons +
1564 skb_shinfo(skb)->nr_frags + 1;
1565 last_ring_idx = sw_ring_cons +
1566 skb_shinfo(skb)->nr_frags + 1;
1567 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
1568 last_idx++;
1569 }
1570 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
1571 break;
1572 }
1573 }
1574#endif
1575 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
1576 skb_headlen(skb), PCI_DMA_TODEVICE);
1577
1578 tx_buf->skb = NULL;
1579 last = skb_shinfo(skb)->nr_frags;
1580
1581 for (i = 0; i < last; i++) {
1582 sw_cons = NEXT_TX_BD(sw_cons);
1583
1584 pci_unmap_page(bp->pdev,
1585 pci_unmap_addr(
1586 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
1587 mapping),
1588 skb_shinfo(skb)->frags[i].size,
1589 PCI_DMA_TODEVICE);
1590 }
1591
1592 sw_cons = NEXT_TX_BD(sw_cons);
1593
1594 tx_free_bd += last + 1;
1595
1596 dev_kfree_skb_irq(skb);
1597
f4e418f7
MC		 1598 hw_cons = bp->hw_tx_cons =
1599 sblk->status_tx_quick_consumer_index0;
1600
b6016b76
MC		 1601 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1602 hw_cons++;
1603 }
1604 }
1605
e89bbf10 1606 bp->tx_cons = sw_cons;
b6016b76
MC		 1607
1608 if (unlikely(netif_queue_stopped(bp->dev))) {
c770a65c 1609 spin_lock(&bp->tx_lock);
b6016b76 1610 if ((netif_queue_stopped(bp->dev)) &&
e89bbf10 1611 (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)) {
b6016b76
MC		 1612
1613 netif_wake_queue(bp->dev);
1614 }
c770a65c 1615 spin_unlock(&bp->tx_lock);
b6016b76 1616 }
b6016b76
MC		 1617}
1618
1619static inline void
1620bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
1621 u16 cons, u16 prod)
1622{
1623 struct sw_bd *cons_rx_buf = &bp->rx_buf_ring[cons];
1624 struct sw_bd *prod_rx_buf = &bp->rx_buf_ring[prod];
1625 struct rx_bd *cons_bd = &bp->rx_desc_ring[cons];
1626 struct rx_bd *prod_bd = &bp->rx_desc_ring[prod];
1627
1628 pci_dma_sync_single_for_device(bp->pdev,
1629 pci_unmap_addr(cons_rx_buf, mapping),
1630 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1631
1632 prod_rx_buf->skb = cons_rx_buf->skb;
1633 pci_unmap_addr_set(prod_rx_buf, mapping,
1634 pci_unmap_addr(cons_rx_buf, mapping));
1635
1636 memcpy(prod_bd, cons_bd, 8);
1637
1638 bp->rx_prod_bseq += bp->rx_buf_use_size;
1639
1640}
1641
1642static int
1643bnx2_rx_int(struct bnx2 *bp, int budget)
1644{
f4e418f7 1645 struct status_block *sblk = bp->status_blk;
b6016b76
MC		 1646 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
1647 struct l2_fhdr *rx_hdr;
1648 int rx_pkt = 0;
1649
f4e418f7 1650 hw_cons = bp->hw_rx_cons = sblk->status_rx_quick_consumer_index0;
b6016b76
MC		 1651 if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
1652 hw_cons++;
1653 }
1654 sw_cons = bp->rx_cons;
1655 sw_prod = bp->rx_prod;
1656
1657 /* Memory barrier necessary as speculative reads of the rx
1658 * buffer can be ahead of the index in the status block
1659 */
1660 rmb();
1661 while (sw_cons != hw_cons) {
1662 unsigned int len;
ade2bfe7 1663 u32 status;
b6016b76
MC		 1664 struct sw_bd *rx_buf;
1665 struct sk_buff *skb;
1666
1667 sw_ring_cons = RX_RING_IDX(sw_cons);
1668 sw_ring_prod = RX_RING_IDX(sw_prod);
1669
1670 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
1671 skb = rx_buf->skb;
1672 pci_dma_sync_single_for_cpu(bp->pdev,
1673 pci_unmap_addr(rx_buf, mapping),
1674 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1675
1676 rx_hdr = (struct l2_fhdr *) skb->data;
1677 len = rx_hdr->l2_fhdr_pkt_len - 4;
1678
ade2bfe7 1679 if ((status = rx_hdr->l2_fhdr_status) &
b6016b76
MC		 1680 (L2_FHDR_ERRORS_BAD_CRC |
1681 L2_FHDR_ERRORS_PHY_DECODE |
1682 L2_FHDR_ERRORS_ALIGNMENT |
1683 L2_FHDR_ERRORS_TOO_SHORT |
1684 L2_FHDR_ERRORS_GIANT_FRAME)) {
1685
1686 goto reuse_rx;
1687 }
1688
1689 /* Since we don't have a jumbo ring, copy small packets
1690 * if mtu > 1500
1691 */
1692 if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
1693 struct sk_buff *new_skb;
1694
1695 new_skb = dev_alloc_skb(len + 2);
1696 if (new_skb == NULL)
1697 goto reuse_rx;
1698
1699 /* aligned copy */
1700 memcpy(new_skb->data,
1701 skb->data + bp->rx_offset - 2,
1702 len + 2);
1703
1704 skb_reserve(new_skb, 2);
1705 skb_put(new_skb, len);
1706 new_skb->dev = bp->dev;
1707
1708 bnx2_reuse_rx_skb(bp, skb,
1709 sw_ring_cons, sw_ring_prod);
1710
1711 skb = new_skb;
1712 }
1713 else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
1714 pci_unmap_single(bp->pdev,
1715 pci_unmap_addr(rx_buf, mapping),
1716 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1717
1718 skb_reserve(skb, bp->rx_offset);
1719 skb_put(skb, len);
1720 }
1721 else {
1722reuse_rx:
1723 bnx2_reuse_rx_skb(bp, skb,
1724 sw_ring_cons, sw_ring_prod);
1725 goto next_rx;
1726 }
1727
1728 skb->protocol = eth_type_trans(skb, bp->dev);
1729
1730 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
1731 (htons(skb->protocol) != 0x8100)) {
1732
1733 dev_kfree_skb_irq(skb);
1734 goto next_rx;
1735
1736 }
1737
b6016b76
MC		 1738 skb->ip_summed = CHECKSUM_NONE;
1739 if (bp->rx_csum &&
1740 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
1741 L2_FHDR_STATUS_UDP_DATAGRAM))) {
1742
ade2bfe7
MC		 1743 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
1744 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
b6016b76
MC		 1745 skb->ip_summed = CHECKSUM_UNNECESSARY;
1746 }
1747
1748#ifdef BCM_VLAN
1749 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
1750 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1751 rx_hdr->l2_fhdr_vlan_tag);
1752 }
1753 else
1754#endif
1755 netif_receive_skb(skb);
1756
1757 bp->dev->last_rx = jiffies;
1758 rx_pkt++;
1759
1760next_rx:
1761 rx_buf->skb = NULL;
1762
1763 sw_cons = NEXT_RX_BD(sw_cons);
1764 sw_prod = NEXT_RX_BD(sw_prod);
1765
1766 if ((rx_pkt == budget))
1767 break;
f4e418f7
MC		 1768
1769 /* Refresh hw_cons to see if there is new work */
1770 if (sw_cons == hw_cons) {
1771 hw_cons = bp->hw_rx_cons =
1772 sblk->status_rx_quick_consumer_index0;
1773 if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)
1774 hw_cons++;
1775 rmb();
1776 }
b6016b76
MC		 1777 }
1778 bp->rx_cons = sw_cons;
1779 bp->rx_prod = sw_prod;
1780
1781 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
1782
1783 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
1784
1785 mmiowb();
1786
1787 return rx_pkt;
1788
1789}
1790
1791/* MSI ISR - The only difference between this and the INTx ISR
1792 * is that the MSI interrupt is always serviced.
1793 */
1794static irqreturn_t
1795bnx2_msi(int irq, void *dev_instance, struct pt_regs *regs)
1796{
1797 struct net_device *dev = dev_instance;
1798 struct bnx2 *bp = dev->priv;
1799
c921e4c4 1800 prefetch(bp->status_blk);
b6016b76
MC		 1801 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1802 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1803 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1804
1805 /* Return here if interrupt is disabled. */
73eef4cd
MC		 1806 if (unlikely(atomic_read(&bp->intr_sem) != 0))
1807 return IRQ_HANDLED;
b6016b76 1808
73eef4cd 1809 netif_rx_schedule(dev);
b6016b76 1810
73eef4cd 1811 return IRQ_HANDLED;
b6016b76
MC		 1812}
1813
1814static irqreturn_t
1815bnx2_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
1816{
1817 struct net_device *dev = dev_instance;
1818 struct bnx2 *bp = dev->priv;
1819
1820 /* When using INTx, it is possible for the interrupt to arrive
1821 * at the CPU before the status block posted prior to the
1822 * interrupt. Reading a register will flush the status block.
1823 * When using MSI, the MSI message will always complete after
1824 * the status block write.
1825 */
c921e4c4 1826 if ((bp->status_blk->status_idx == bp->last_status_idx) &&
b6016b76
MC		 1827 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
1828 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
73eef4cd 1829 return IRQ_NONE;
b6016b76
MC		 1830
1831 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1832 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1833 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1834
1835 /* Return here if interrupt is shared and is disabled. */
73eef4cd
MC		 1836 if (unlikely(atomic_read(&bp->intr_sem) != 0))
1837 return IRQ_HANDLED;
b6016b76 1838
73eef4cd 1839 netif_rx_schedule(dev);
b6016b76 1840
73eef4cd 1841 return IRQ_HANDLED;
b6016b76
MC		 1842}
1843
f4e418f7
MC		 1844static inline int
1845bnx2_has_work(struct bnx2 *bp)
1846{
1847 struct status_block *sblk = bp->status_blk;
1848
1849 if ((sblk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) ||
1850 (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons))
1851 return 1;
1852
1853 if (((sblk->status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) != 0) !=
1854 bp->link_up)
1855 return 1;
1856
1857 return 0;
1858}
1859
b6016b76
MC		 1860static int
1861bnx2_poll(struct net_device *dev, int *budget)
1862{
1863 struct bnx2 *bp = dev->priv;
b6016b76 1864
b6016b76
MC		 1865 if ((bp->status_blk->status_attn_bits &
1866 STATUS_ATTN_BITS_LINK_STATE) !=
1867 (bp->status_blk->status_attn_bits_ack &
1868 STATUS_ATTN_BITS_LINK_STATE)) {
1869
c770a65c 1870 spin_lock(&bp->phy_lock);
b6016b76 1871 bnx2_phy_int(bp);
c770a65c 1872 spin_unlock(&bp->phy_lock);
b6016b76
MC		 1873 }
1874
f4e418f7 1875 if (bp->status_blk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)
b6016b76 1876 bnx2_tx_int(bp);
b6016b76 1877
f4e418f7 1878 if (bp->status_blk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) {
b6016b76
MC		 1879 int orig_budget = *budget;
1880 int work_done;
1881
1882 if (orig_budget > dev->quota)
1883 orig_budget = dev->quota;
1884
1885 work_done = bnx2_rx_int(bp, orig_budget);
1886 *budget -= work_done;
1887 dev->quota -= work_done;
b6016b76
MC		 1888 }
1889
f4e418f7
MC		 1890 bp->last_status_idx = bp->status_blk->status_idx;
1891 rmb();
1892
1893 if (!bnx2_has_work(bp)) {
b6016b76
MC		 1894 netif_rx_complete(dev);
1895 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1896 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
1897 bp->last_status_idx);
1898 return 0;
1899 }
1900
1901 return 1;
1902}
1903
1904/* Called with rtnl_lock from vlan functions and also dev->xmit_lock
1905 * from set_multicast.
1906 */
1907static void
1908bnx2_set_rx_mode(struct net_device *dev)
1909{
1910 struct bnx2 *bp = dev->priv;
1911 u32 rx_mode, sort_mode;
1912 int i;
b6016b76 1913
c770a65c 1914 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 1915
1916 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
1917 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
1918 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
1919#ifdef BCM_VLAN
e29054f9 1920 if (!bp->vlgrp && !(bp->flags & ASF_ENABLE_FLAG))
b6016b76 1921 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
b6016b76 1922#else
e29054f9
MC		 1923 if (!(bp->flags & ASF_ENABLE_FLAG))
1924 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
b6016b76
MC		 1925#endif
1926 if (dev->flags & IFF_PROMISC) {
1927 /* Promiscuous mode. */
1928 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
1929 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN;
1930 }
1931 else if (dev->flags & IFF_ALLMULTI) {
1932 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1933 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1934 0xffffffff);
1935 }
1936 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
1937 }
1938 else {
1939 /* Accept one or more multicast(s). */
1940 struct dev_mc_list *mclist;
1941 u32 mc_filter[NUM_MC_HASH_REGISTERS];
1942 u32 regidx;
1943 u32 bit;
1944 u32 crc;
1945
1946 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
1947
1948 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
1949 i++, mclist = mclist->next) {
1950
1951 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
1952 bit = crc & 0xff;
1953 regidx = (bit & 0xe0) >> 5;
1954 bit &= 0x1f;
1955 mc_filter[regidx] |= (1 << bit);
1956 }
1957
1958 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1959 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1960 mc_filter[i]);
1961 }
1962
1963 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
1964 }
1965
1966 if (rx_mode != bp->rx_mode) {
1967 bp->rx_mode = rx_mode;
1968 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
1969 }
1970
1971 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
1972 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
1973 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
1974
c770a65c 1975 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 1976}
1977
1978static void
1979load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
1980 u32 rv2p_proc)
1981{
1982 int i;
1983 u32 val;
1984
1985
1986 for (i = 0; i < rv2p_code_len; i += 8) {
1987 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, *rv2p_code);
1988 rv2p_code++;
1989 REG_WR(bp, BNX2_RV2P_INSTR_LOW, *rv2p_code);
1990 rv2p_code++;
1991
1992 if (rv2p_proc == RV2P_PROC1) {
1993 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
1994 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
1995 }
1996 else {
1997 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
1998 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
1999 }
2000 }
2001
2002 /* Reset the processor, un-stall is done later. */
2003 if (rv2p_proc == RV2P_PROC1) {
2004 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
2005 }
2006 else {
2007 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
2008 }
2009}
2010
2011static void
2012load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
2013{
2014 u32 offset;
2015 u32 val;
2016
2017 /* Halt the CPU. */
2018 val = REG_RD_IND(bp, cpu_reg->mode);
2019 val |= cpu_reg->mode_value_halt;
2020 REG_WR_IND(bp, cpu_reg->mode, val);
2021 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
2022
2023 /* Load the Text area. */
2024 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
2025 if (fw->text) {
2026 int j;
2027
2028 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
2029 REG_WR_IND(bp, offset, fw->text[j]);
2030 }
2031 }
2032
2033 /* Load the Data area. */
2034 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
2035 if (fw->data) {
2036 int j;
2037
2038 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
2039 REG_WR_IND(bp, offset, fw->data[j]);
2040 }
2041 }
2042
2043 /* Load the SBSS area. */
2044 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
2045 if (fw->sbss) {
2046 int j;
2047
2048 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
2049 REG_WR_IND(bp, offset, fw->sbss[j]);
2050 }
2051 }
2052
2053 /* Load the BSS area. */
2054 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
2055 if (fw->bss) {
2056 int j;
2057
2058 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
2059 REG_WR_IND(bp, offset, fw->bss[j]);
2060 }
2061 }
2062
2063 /* Load the Read-Only area. */
2064 offset = cpu_reg->spad_base +
2065 (fw->rodata_addr - cpu_reg->mips_view_base);
2066 if (fw->rodata) {
2067 int j;
2068
2069 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
2070 REG_WR_IND(bp, offset, fw->rodata[j]);
2071 }
2072 }
2073
2074 /* Clear the pre-fetch instruction. */
2075 REG_WR_IND(bp, cpu_reg->inst, 0);
2076 REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
2077
2078 /* Start the CPU. */
2079 val = REG_RD_IND(bp, cpu_reg->mode);
2080 val &= ~cpu_reg->mode_value_halt;
2081 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
2082 REG_WR_IND(bp, cpu_reg->mode, val);
2083}
2084
2085static void
2086bnx2_init_cpus(struct bnx2 *bp)
2087{
2088 struct cpu_reg cpu_reg;
2089 struct fw_info fw;
2090
2091 /* Initialize the RV2P processor. */
2092 load_rv2p_fw(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), RV2P_PROC1);
2093 load_rv2p_fw(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), RV2P_PROC2);
2094
2095 /* Initialize the RX Processor. */
2096 cpu_reg.mode = BNX2_RXP_CPU_MODE;
2097 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
2098 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
2099 cpu_reg.state = BNX2_RXP_CPU_STATE;
2100 cpu_reg.state_value_clear = 0xffffff;
2101 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
2102 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
2103 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
2104 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
2105 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
2106 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
2107 cpu_reg.mips_view_base = 0x8000000;
2108
2109 fw.ver_major = bnx2_RXP_b06FwReleaseMajor;
2110 fw.ver_minor = bnx2_RXP_b06FwReleaseMinor;
2111 fw.ver_fix = bnx2_RXP_b06FwReleaseFix;
2112 fw.start_addr = bnx2_RXP_b06FwStartAddr;
2113
2114 fw.text_addr = bnx2_RXP_b06FwTextAddr;
2115 fw.text_len = bnx2_RXP_b06FwTextLen;
2116 fw.text_index = 0;
2117 fw.text = bnx2_RXP_b06FwText;
2118
2119 fw.data_addr = bnx2_RXP_b06FwDataAddr;
2120 fw.data_len = bnx2_RXP_b06FwDataLen;
2121 fw.data_index = 0;
2122 fw.data = bnx2_RXP_b06FwData;
2123
2124 fw.sbss_addr = bnx2_RXP_b06FwSbssAddr;
2125 fw.sbss_len = bnx2_RXP_b06FwSbssLen;
2126 fw.sbss_index = 0;
2127 fw.sbss = bnx2_RXP_b06FwSbss;
2128
2129 fw.bss_addr = bnx2_RXP_b06FwBssAddr;
2130 fw.bss_len = bnx2_RXP_b06FwBssLen;
2131 fw.bss_index = 0;
2132 fw.bss = bnx2_RXP_b06FwBss;
2133
2134 fw.rodata_addr = bnx2_RXP_b06FwRodataAddr;
2135 fw.rodata_len = bnx2_RXP_b06FwRodataLen;
2136 fw.rodata_index = 0;
2137 fw.rodata = bnx2_RXP_b06FwRodata;
2138
2139 load_cpu_fw(bp, &cpu_reg, &fw);
2140
2141 /* Initialize the TX Processor. */
2142 cpu_reg.mode = BNX2_TXP_CPU_MODE;
2143 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
2144 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
2145 cpu_reg.state = BNX2_TXP_CPU_STATE;
2146 cpu_reg.state_value_clear = 0xffffff;
2147 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
2148 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
2149 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
2150 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
2151 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
2152 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
2153 cpu_reg.mips_view_base = 0x8000000;
2154
2155 fw.ver_major = bnx2_TXP_b06FwReleaseMajor;
2156 fw.ver_minor = bnx2_TXP_b06FwReleaseMinor;
2157 fw.ver_fix = bnx2_TXP_b06FwReleaseFix;
2158 fw.start_addr = bnx2_TXP_b06FwStartAddr;
2159
2160 fw.text_addr = bnx2_TXP_b06FwTextAddr;
2161 fw.text_len = bnx2_TXP_b06FwTextLen;
2162 fw.text_index = 0;
2163 fw.text = bnx2_TXP_b06FwText;
2164
2165 fw.data_addr = bnx2_TXP_b06FwDataAddr;
2166 fw.data_len = bnx2_TXP_b06FwDataLen;
2167 fw.data_index = 0;
2168 fw.data = bnx2_TXP_b06FwData;
2169
2170 fw.sbss_addr = bnx2_TXP_b06FwSbssAddr;
2171 fw.sbss_len = bnx2_TXP_b06FwSbssLen;
2172 fw.sbss_index = 0;
2173 fw.sbss = bnx2_TXP_b06FwSbss;
2174
2175 fw.bss_addr = bnx2_TXP_b06FwBssAddr;
2176 fw.bss_len = bnx2_TXP_b06FwBssLen;
2177 fw.bss_index = 0;
2178 fw.bss = bnx2_TXP_b06FwBss;
2179
2180 fw.rodata_addr = bnx2_TXP_b06FwRodataAddr;
2181 fw.rodata_len = bnx2_TXP_b06FwRodataLen;
2182 fw.rodata_index = 0;
2183 fw.rodata = bnx2_TXP_b06FwRodata;
2184
2185 load_cpu_fw(bp, &cpu_reg, &fw);
2186
2187 /* Initialize the TX Patch-up Processor. */
2188 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
2189 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
2190 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
2191 cpu_reg.state = BNX2_TPAT_CPU_STATE;
2192 cpu_reg.state_value_clear = 0xffffff;
2193 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
2194 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
2195 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
2196 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
2197 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
2198 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
2199 cpu_reg.mips_view_base = 0x8000000;
2200
2201 fw.ver_major = bnx2_TPAT_b06FwReleaseMajor;
2202 fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor;
2203 fw.ver_fix = bnx2_TPAT_b06FwReleaseFix;
2204 fw.start_addr = bnx2_TPAT_b06FwStartAddr;
2205
2206 fw.text_addr = bnx2_TPAT_b06FwTextAddr;
2207 fw.text_len = bnx2_TPAT_b06FwTextLen;
2208 fw.text_index = 0;
2209 fw.text = bnx2_TPAT_b06FwText;
2210
2211 fw.data_addr = bnx2_TPAT_b06FwDataAddr;
2212 fw.data_len = bnx2_TPAT_b06FwDataLen;
2213 fw.data_index = 0;
2214 fw.data = bnx2_TPAT_b06FwData;
2215
2216 fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr;
2217 fw.sbss_len = bnx2_TPAT_b06FwSbssLen;
2218 fw.sbss_index = 0;
2219 fw.sbss = bnx2_TPAT_b06FwSbss;
2220
2221 fw.bss_addr = bnx2_TPAT_b06FwBssAddr;
2222 fw.bss_len = bnx2_TPAT_b06FwBssLen;
2223 fw.bss_index = 0;
2224 fw.bss = bnx2_TPAT_b06FwBss;
2225
2226 fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr;
2227 fw.rodata_len = bnx2_TPAT_b06FwRodataLen;
2228 fw.rodata_index = 0;
2229 fw.rodata = bnx2_TPAT_b06FwRodata;
2230
2231 load_cpu_fw(bp, &cpu_reg, &fw);
2232
2233 /* Initialize the Completion Processor. */
2234 cpu_reg.mode = BNX2_COM_CPU_MODE;
2235 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
2236 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
2237 cpu_reg.state = BNX2_COM_CPU_STATE;
2238 cpu_reg.state_value_clear = 0xffffff;
2239 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
2240 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
2241 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
2242 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
2243 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
2244 cpu_reg.spad_base = BNX2_COM_SCRATCH;
2245 cpu_reg.mips_view_base = 0x8000000;
2246
2247 fw.ver_major = bnx2_COM_b06FwReleaseMajor;
2248 fw.ver_minor = bnx2_COM_b06FwReleaseMinor;
2249 fw.ver_fix = bnx2_COM_b06FwReleaseFix;
2250 fw.start_addr = bnx2_COM_b06FwStartAddr;
2251
2252 fw.text_addr = bnx2_COM_b06FwTextAddr;
2253 fw.text_len = bnx2_COM_b06FwTextLen;
2254 fw.text_index = 0;
2255 fw.text = bnx2_COM_b06FwText;
2256
2257 fw.data_addr = bnx2_COM_b06FwDataAddr;
2258 fw.data_len = bnx2_COM_b06FwDataLen;
2259 fw.data_index = 0;
2260 fw.data = bnx2_COM_b06FwData;
2261
2262 fw.sbss_addr = bnx2_COM_b06FwSbssAddr;
2263 fw.sbss_len = bnx2_COM_b06FwSbssLen;
2264 fw.sbss_index = 0;
2265 fw.sbss = bnx2_COM_b06FwSbss;
2266
2267 fw.bss_addr = bnx2_COM_b06FwBssAddr;
2268 fw.bss_len = bnx2_COM_b06FwBssLen;
2269 fw.bss_index = 0;
2270 fw.bss = bnx2_COM_b06FwBss;
2271
2272 fw.rodata_addr = bnx2_COM_b06FwRodataAddr;
2273 fw.rodata_len = bnx2_COM_b06FwRodataLen;
2274 fw.rodata_index = 0;
2275 fw.rodata = bnx2_COM_b06FwRodata;
2276
2277 load_cpu_fw(bp, &cpu_reg, &fw);
2278
2279}
2280
2281static int
829ca9a3 2282bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
b6016b76
MC		 2283{
2284 u16 pmcsr;
2285
2286 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
2287
2288 switch (state) {
829ca9a3 2289 case PCI_D0: {
b6016b76
MC		 2290 u32 val;
2291
2292 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2293 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
2294 PCI_PM_CTRL_PME_STATUS);
2295
2296 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
2297 /* delay required during transition out of D3hot */
2298 msleep(20);
2299
2300 val = REG_RD(bp, BNX2_EMAC_MODE);
2301 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
2302 val &= ~BNX2_EMAC_MODE_MPKT;
2303 REG_WR(bp, BNX2_EMAC_MODE, val);
2304
2305 val = REG_RD(bp, BNX2_RPM_CONFIG);
2306 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2307 REG_WR(bp, BNX2_RPM_CONFIG, val);
2308 break;
2309 }
829ca9a3 2310 case PCI_D3hot: {
b6016b76
MC		 2311 int i;
2312 u32 val, wol_msg;
2313
2314 if (bp->wol) {
2315 u32 advertising;
2316 u8 autoneg;
2317
2318 autoneg = bp->autoneg;
2319 advertising = bp->advertising;
2320
2321 bp->autoneg = AUTONEG_SPEED;
2322 bp->advertising = ADVERTISED_10baseT_Half |
2323 ADVERTISED_10baseT_Full |
2324 ADVERTISED_100baseT_Half |
2325 ADVERTISED_100baseT_Full |
2326 ADVERTISED_Autoneg;
2327
2328 bnx2_setup_copper_phy(bp);
2329
2330 bp->autoneg = autoneg;
2331 bp->advertising = advertising;
2332
2333 bnx2_set_mac_addr(bp);
2334
2335 val = REG_RD(bp, BNX2_EMAC_MODE);
2336
2337 /* Enable port mode. */
2338 val &= ~BNX2_EMAC_MODE_PORT;
2339 val |= BNX2_EMAC_MODE_PORT_MII |
2340 BNX2_EMAC_MODE_MPKT_RCVD |
2341 BNX2_EMAC_MODE_ACPI_RCVD |
b6016b76
MC		 2342 BNX2_EMAC_MODE_MPKT;
2343
2344 REG_WR(bp, BNX2_EMAC_MODE, val);
2345
2346 /* receive all multicast */
2347 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2348 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2349 0xffffffff);
2350 }
2351 REG_WR(bp, BNX2_EMAC_RX_MODE,
2352 BNX2_EMAC_RX_MODE_SORT_MODE);
2353
2354 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
2355 BNX2_RPM_SORT_USER0_MC_EN;
2356 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2357 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
2358 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
2359 BNX2_RPM_SORT_USER0_ENA);
2360
2361 /* Need to enable EMAC and RPM for WOL. */
2362 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2363 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
2364 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
2365 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
2366
2367 val = REG_RD(bp, BNX2_RPM_CONFIG);
2368 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2369 REG_WR(bp, BNX2_RPM_CONFIG, val);
2370
2371 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
2372 }
2373 else {
2374 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
2375 }
2376
dda1e390
MC		 2377 if (!(bp->flags & NO_WOL_FLAG))
2378 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
b6016b76
MC		 2379
2380 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
2381 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2382 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
2383
2384 if (bp->wol)
2385 pmcsr |= 3;
2386 }
2387 else {
2388 pmcsr |= 3;
2389 }
2390 if (bp->wol) {
2391 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
2392 }
2393 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2394 pmcsr);
2395
2396 /* No more memory access after this point until
2397 * device is brought back to D0.
2398 */
2399 udelay(50);
2400 break;
2401 }
2402 default:
2403 return -EINVAL;
2404 }
2405 return 0;
2406}
2407
2408static int
2409bnx2_acquire_nvram_lock(struct bnx2 *bp)
2410{
2411 u32 val;
2412 int j;
2413
2414 /* Request access to the flash interface. */
2415 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
2416 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2417 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2418 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
2419 break;
2420
2421 udelay(5);
2422 }
2423
2424 if (j >= NVRAM_TIMEOUT_COUNT)
2425 return -EBUSY;
2426
2427 return 0;
2428}
2429
2430static int
2431bnx2_release_nvram_lock(struct bnx2 *bp)
2432{
2433 int j;
2434 u32 val;
2435
2436 /* Relinquish nvram interface. */
2437 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
2438
2439 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2440 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2441 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
2442 break;
2443
2444 udelay(5);
2445 }
2446
2447 if (j >= NVRAM_TIMEOUT_COUNT)
2448 return -EBUSY;
2449
2450 return 0;
2451}
2452
2453
2454static int
2455bnx2_enable_nvram_write(struct bnx2 *bp)
2456{
2457 u32 val;
2458
2459 val = REG_RD(bp, BNX2_MISC_CFG);
2460 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
2461
2462 if (!bp->flash_info->buffered) {
2463 int j;
2464
2465 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2466 REG_WR(bp, BNX2_NVM_COMMAND,
2467 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
2468
2469 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2470 udelay(5);
2471
2472 val = REG_RD(bp, BNX2_NVM_COMMAND);
2473 if (val & BNX2_NVM_COMMAND_DONE)
2474 break;
2475 }
2476
2477 if (j >= NVRAM_TIMEOUT_COUNT)
2478 return -EBUSY;
2479 }
2480 return 0;
2481}
2482
2483static void
2484bnx2_disable_nvram_write(struct bnx2 *bp)
2485{
2486 u32 val;
2487
2488 val = REG_RD(bp, BNX2_MISC_CFG);
2489 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
2490}
2491
2492
2493static void
2494bnx2_enable_nvram_access(struct bnx2 *bp)
2495{
2496 u32 val;
2497
2498 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2499 /* Enable both bits, even on read. */
2500 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2501 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
2502}
2503
2504static void
2505bnx2_disable_nvram_access(struct bnx2 *bp)
2506{
2507 u32 val;
2508
2509 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2510 /* Disable both bits, even after read. */
2511 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2512 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
2513 BNX2_NVM_ACCESS_ENABLE_WR_EN));
2514}
2515
2516static int
2517bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
2518{
2519 u32 cmd;
2520 int j;
2521
2522 if (bp->flash_info->buffered)
2523 /* Buffered flash, no erase needed */
2524 return 0;
2525
2526 /* Build an erase command */
2527 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
2528 BNX2_NVM_COMMAND_DOIT;
2529
2530 /* Need to clear DONE bit separately. */
2531 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2532
2533 /* Address of the NVRAM to read from. */
2534 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2535
2536 /* Issue an erase command. */
2537 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2538
2539 /* Wait for completion. */
2540 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2541 u32 val;
2542
2543 udelay(5);
2544
2545 val = REG_RD(bp, BNX2_NVM_COMMAND);
2546 if (val & BNX2_NVM_COMMAND_DONE)
2547 break;
2548 }
2549
2550 if (j >= NVRAM_TIMEOUT_COUNT)
2551 return -EBUSY;
2552
2553 return 0;
2554}
2555
2556static int
2557bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
2558{
2559 u32 cmd;
2560 int j;
2561
2562 /* Build the command word. */
2563 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
2564
2565 /* Calculate an offset of a buffered flash. */
2566 if (bp->flash_info->buffered) {
2567 offset = ((offset / bp->flash_info->page_size) <<
2568 bp->flash_info->page_bits) +
2569 (offset % bp->flash_info->page_size);
2570 }
2571
2572 /* Need to clear DONE bit separately. */
2573 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2574
2575 /* Address of the NVRAM to read from. */
2576 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2577
2578 /* Issue a read command. */
2579 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2580
2581 /* Wait for completion. */
2582 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2583 u32 val;
2584
2585 udelay(5);
2586
2587 val = REG_RD(bp, BNX2_NVM_COMMAND);
2588 if (val & BNX2_NVM_COMMAND_DONE) {
2589 val = REG_RD(bp, BNX2_NVM_READ);
2590
2591 val = be32_to_cpu(val);
2592 memcpy(ret_val, &val, 4);
2593 break;
2594 }
2595 }
2596 if (j >= NVRAM_TIMEOUT_COUNT)
2597 return -EBUSY;
2598
2599 return 0;
2600}
2601
2602
2603static int
2604bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
2605{
2606 u32 cmd, val32;
2607 int j;
2608
2609 /* Build the command word. */
2610 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
2611
2612 /* Calculate an offset of a buffered flash. */
2613 if (bp->flash_info->buffered) {
2614 offset = ((offset / bp->flash_info->page_size) <<
2615 bp->flash_info->page_bits) +
2616 (offset % bp->flash_info->page_size);
2617 }
2618
2619 /* Need to clear DONE bit separately. */
2620 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2621
2622 memcpy(&val32, val, 4);
2623 val32 = cpu_to_be32(val32);
2624
2625 /* Write the data. */
2626 REG_WR(bp, BNX2_NVM_WRITE, val32);
2627
2628 /* Address of the NVRAM to write to. */
2629 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2630
2631 /* Issue the write command. */
2632 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2633
2634 /* Wait for completion. */
2635 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2636 udelay(5);
2637
2638 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
2639 break;
2640 }
2641 if (j >= NVRAM_TIMEOUT_COUNT)
2642 return -EBUSY;
2643
2644 return 0;
2645}
2646
2647static int
2648bnx2_init_nvram(struct bnx2 *bp)
2649{
2650 u32 val;
2651 int j, entry_count, rc;
2652 struct flash_spec *flash;
2653
2654 /* Determine the selected interface. */
2655 val = REG_RD(bp, BNX2_NVM_CFG1);
2656
2657 entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
2658
2659 rc = 0;
2660 if (val & 0x40000000) {
2661
2662 /* Flash interface has been reconfigured */
2663 for (j = 0, flash = &flash_table[0]; j < entry_count;
37137709
MC		 2664 j++, flash++) {
2665 if ((val & FLASH_BACKUP_STRAP_MASK) ==
2666 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
b6016b76
MC		 2667 bp->flash_info = flash;
2668 break;
2669 }
2670 }
2671 }
2672 else {
37137709 2673 u32 mask;
b6016b76
MC		 2674 /* Not yet been reconfigured */
2675
37137709
MC		 2676 if (val & (1 << 23))
2677 mask = FLASH_BACKUP_STRAP_MASK;
2678 else
2679 mask = FLASH_STRAP_MASK;
2680
b6016b76
MC		 2681 for (j = 0, flash = &flash_table[0]; j < entry_count;
2682 j++, flash++) {
2683
37137709 2684 if ((val & mask) == (flash->strapping & mask)) {
b6016b76
MC		 2685 bp->flash_info = flash;
2686
2687 /* Request access to the flash interface. */
2688 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2689 return rc;
2690
2691 /* Enable access to flash interface */
2692 bnx2_enable_nvram_access(bp);
2693
2694 /* Reconfigure the flash interface */
2695 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
2696 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
2697 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
2698 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
2699
2700 /* Disable access to flash interface */
2701 bnx2_disable_nvram_access(bp);
2702 bnx2_release_nvram_lock(bp);
2703
2704 break;
2705 }
2706 }
2707 } /* if (val & 0x40000000) */
2708
2709 if (j == entry_count) {
2710 bp->flash_info = NULL;
2f23c523 2711 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
b6016b76
MC		 2712 rc = -ENODEV;
2713 }
2714
2715 return rc;
2716}
2717
2718static int
2719bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
2720 int buf_size)
2721{
2722 int rc = 0;
2723 u32 cmd_flags, offset32, len32, extra;
2724
2725 if (buf_size == 0)
2726 return 0;
2727
2728 /* Request access to the flash interface. */
2729 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2730 return rc;
2731
2732 /* Enable access to flash interface */
2733 bnx2_enable_nvram_access(bp);
2734
2735 len32 = buf_size;
2736 offset32 = offset;
2737 extra = 0;
2738
2739 cmd_flags = 0;
2740
2741 if (offset32 & 3) {
2742 u8 buf[4];
2743 u32 pre_len;
2744
2745 offset32 &= ~3;
2746 pre_len = 4 - (offset & 3);
2747
2748 if (pre_len >= len32) {
2749 pre_len = len32;
2750 cmd_flags = BNX2_NVM_COMMAND_FIRST |
2751 BNX2_NVM_COMMAND_LAST;
2752 }
2753 else {
2754 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2755 }
2756
2757 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2758
2759 if (rc)
2760 return rc;
2761
2762 memcpy(ret_buf, buf + (offset & 3), pre_len);
2763
2764 offset32 += 4;
2765 ret_buf += pre_len;
2766 len32 -= pre_len;
2767 }
2768 if (len32 & 3) {
2769 extra = 4 - (len32 & 3);
2770 len32 = (len32 + 4) & ~3;
2771 }
2772
2773 if (len32 == 4) {
2774 u8 buf[4];
2775
2776 if (cmd_flags)
2777 cmd_flags = BNX2_NVM_COMMAND_LAST;
2778 else
2779 cmd_flags = BNX2_NVM_COMMAND_FIRST |
2780 BNX2_NVM_COMMAND_LAST;
2781
2782 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2783
2784 memcpy(ret_buf, buf, 4 - extra);
2785 }
2786 else if (len32 > 0) {
2787 u8 buf[4];
2788
2789 /* Read the first word. */
2790 if (cmd_flags)
2791 cmd_flags = 0;
2792 else
2793 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2794
2795 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
2796
2797 /* Advance to the next dword. */
2798 offset32 += 4;
2799 ret_buf += 4;
2800 len32 -= 4;
2801
2802 while (len32 > 4 && rc == 0) {
2803 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
2804
2805 /* Advance to the next dword. */
2806 offset32 += 4;
2807 ret_buf += 4;
2808 len32 -= 4;
2809 }
2810
2811 if (rc)
2812 return rc;
2813
2814 cmd_flags = BNX2_NVM_COMMAND_LAST;
2815 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2816
2817 memcpy(ret_buf, buf, 4 - extra);
2818 }
2819
2820 /* Disable access to flash interface */
2821 bnx2_disable_nvram_access(bp);
2822
2823 bnx2_release_nvram_lock(bp);
2824
2825 return rc;
2826}
2827
2828static int
2829bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
2830 int buf_size)
2831{
2832 u32 written, offset32, len32;
2833 u8 *buf, start[4], end[4];
2834 int rc = 0;
2835 int align_start, align_end;
2836
2837 buf = data_buf;
2838 offset32 = offset;
2839 len32 = buf_size;
2840 align_start = align_end = 0;
2841
2842 if ((align_start = (offset32 & 3))) {
2843 offset32 &= ~3;
2844 len32 += align_start;
2845 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
2846 return rc;
2847 }
2848
2849 if (len32 & 3) {
2850 if ((len32 > 4) || !align_start) {
2851 align_end = 4 - (len32 & 3);
2852 len32 += align_end;
2853 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4,
2854 end, 4))) {
2855 return rc;
2856 }
2857 }
2858 }
2859
2860 if (align_start || align_end) {
2861 buf = kmalloc(len32, GFP_KERNEL);
2862 if (buf == 0)
2863 return -ENOMEM;
2864 if (align_start) {
2865 memcpy(buf, start, 4);
2866 }
2867 if (align_end) {
2868 memcpy(buf + len32 - 4, end, 4);
2869 }
2870 memcpy(buf + align_start, data_buf, buf_size);
2871 }
2872
2873 written = 0;
2874 while ((written < len32) && (rc == 0)) {
2875 u32 page_start, page_end, data_start, data_end;
2876 u32 addr, cmd_flags;
2877 int i;
2878 u8 flash_buffer[264];
2879
2880 /* Find the page_start addr */
2881 page_start = offset32 + written;
2882 page_start -= (page_start % bp->flash_info->page_size);
2883 /* Find the page_end addr */
2884 page_end = page_start + bp->flash_info->page_size;
2885 /* Find the data_start addr */
2886 data_start = (written == 0) ? offset32 : page_start;
2887 /* Find the data_end addr */
2888 data_end = (page_end > offset32 + len32) ?
2889 (offset32 + len32) : page_end;
2890
2891 /* Request access to the flash interface. */
2892 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2893 goto nvram_write_end;
2894
2895 /* Enable access to flash interface */
2896 bnx2_enable_nvram_access(bp);
2897
2898 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2899 if (bp->flash_info->buffered == 0) {
2900 int j;
2901
2902 /* Read the whole page into the buffer
2903 * (non-buffer flash only) */
2904 for (j = 0; j < bp->flash_info->page_size; j += 4) {
2905 if (j == (bp->flash_info->page_size - 4)) {
2906 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2907 }
2908 rc = bnx2_nvram_read_dword(bp,
2909 page_start + j,
2910 &flash_buffer[j],
2911 cmd_flags);
2912
2913 if (rc)
2914 goto nvram_write_end;
2915
2916 cmd_flags = 0;
2917 }
2918 }
2919
2920 /* Enable writes to flash interface (unlock write-protect) */
2921 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
2922 goto nvram_write_end;
2923
2924 /* Erase the page */
2925 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
2926 goto nvram_write_end;
2927
2928 /* Re-enable the write again for the actual write */
2929 bnx2_enable_nvram_write(bp);
2930
2931 /* Loop to write back the buffer data from page_start to
2932 * data_start */
2933 i = 0;
2934 if (bp->flash_info->buffered == 0) {
2935 for (addr = page_start; addr < data_start;
2936 addr += 4, i += 4) {
2937
2938 rc = bnx2_nvram_write_dword(bp, addr,
2939 &flash_buffer[i], cmd_flags);
2940
2941 if (rc != 0)
2942 goto nvram_write_end;
2943
2944 cmd_flags = 0;
2945 }
2946 }
2947
2948 /* Loop to write the new data from data_start to data_end */
2949 for (addr = data_start; addr < data_end; addr += 4, i++) {
2950 if ((addr == page_end - 4) ||
2951 ((bp->flash_info->buffered) &&
2952 (addr == data_end - 4))) {
2953
2954 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2955 }
2956 rc = bnx2_nvram_write_dword(bp, addr, buf,
2957 cmd_flags);
2958
2959 if (rc != 0)
2960 goto nvram_write_end;
2961
2962 cmd_flags = 0;
2963 buf += 4;
2964 }
2965
2966 /* Loop to write back the buffer data from data_end
2967 * to page_end */
2968 if (bp->flash_info->buffered == 0) {
2969 for (addr = data_end; addr < page_end;
2970 addr += 4, i += 4) {
2971
2972 if (addr == page_end-4) {
2973 cmd_flags = BNX2_NVM_COMMAND_LAST;
2974 }
2975 rc = bnx2_nvram_write_dword(bp, addr,
2976 &flash_buffer[i], cmd_flags);
2977
2978 if (rc != 0)
2979 goto nvram_write_end;
2980
2981 cmd_flags = 0;
2982 }
2983 }
2984
2985 /* Disable writes to flash interface (lock write-protect) */
2986 bnx2_disable_nvram_write(bp);
2987
2988 /* Disable access to flash interface */
2989 bnx2_disable_nvram_access(bp);
2990 bnx2_release_nvram_lock(bp);
2991
2992 /* Increment written */
2993 written += data_end - data_start;
2994 }
2995
2996nvram_write_end:
2997 if (align_start || align_end)
2998 kfree(buf);
2999 return rc;
3000}
3001
3002static int
3003bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
3004{
3005 u32 val;
3006 int i, rc = 0;
3007
3008 /* Wait for the current PCI transaction to complete before
3009 * issuing a reset. */
3010 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
3011 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
3012 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
3013 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
3014 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
3015 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
3016 udelay(5);
3017
b090ae2b
MC		 3018 /* Wait for the firmware to tell us it is ok to issue a reset. */
3019 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
3020
b6016b76
MC		 3021 /* Deposit a driver reset signature so the firmware knows that
3022 * this is a soft reset. */
e3648b3d 3023 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
b6016b76
MC		 3024 BNX2_DRV_RESET_SIGNATURE_MAGIC);
3025
b6016b76
MC		 3026 /* Do a dummy read to force the chip to complete all current transaction
3027 * before we issue a reset. */
3028 val = REG_RD(bp, BNX2_MISC_ID);
3029
3030 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3031 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
3032 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3033
3034 /* Chip reset. */
3035 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
3036
3037 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3038 (CHIP_ID(bp) == CHIP_ID_5706_A1))
3039 msleep(15);
3040
3041 /* Reset takes approximate 30 usec */
3042 for (i = 0; i < 10; i++) {
3043 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
3044 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3045 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) {
3046 break;
3047 }
3048 udelay(10);
3049 }
3050
3051 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3052 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
3053 printk(KERN_ERR PFX "Chip reset did not complete\n");
3054 return -EBUSY;
3055 }
3056
3057 /* Make sure byte swapping is properly configured. */
3058 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
3059 if (val != 0x01020304) {
3060 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
3061 return -ENODEV;
3062 }
3063
b6016b76 3064 /* Wait for the firmware to finish its initialization. */
b090ae2b
MC		 3065 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
3066 if (rc)
3067 return rc;
b6016b76
MC		 3068
3069 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
3070 /* Adjust the voltage regular to two steps lower. The default
3071 * of this register is 0x0000000e. */
3072 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
3073
3074 /* Remove bad rbuf memory from the free pool. */
3075 rc = bnx2_alloc_bad_rbuf(bp);
3076 }
3077
3078 return rc;
3079}
3080
3081static int
3082bnx2_init_chip(struct bnx2 *bp)
3083{
3084 u32 val;
b090ae2b 3085 int rc;
b6016b76
MC		 3086
3087 /* Make sure the interrupt is not active. */
3088 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3089
3090 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
3091 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
3092#ifdef __BIG_ENDIAN
3093 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
3094#endif
3095 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
3096 DMA_READ_CHANS << 12 |
3097 DMA_WRITE_CHANS << 16;
3098
3099 val |= (0x2 << 20) | (1 << 11);
3100
dda1e390 3101 if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz == 133))
b6016b76
MC		 3102 val |= (1 << 23);
3103
3104 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
3105 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
3106 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
3107
3108 REG_WR(bp, BNX2_DMA_CONFIG, val);
3109
3110 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
3111 val = REG_RD(bp, BNX2_TDMA_CONFIG);
3112 val |= BNX2_TDMA_CONFIG_ONE_DMA;
3113 REG_WR(bp, BNX2_TDMA_CONFIG, val);
3114 }
3115
3116 if (bp->flags & PCIX_FLAG) {
3117 u16 val16;
3118
3119 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
3120 &val16);
3121 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
3122 val16 & ~PCI_X_CMD_ERO);
3123 }
3124
3125 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3126 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
3127 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
3128 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
3129
3130 /* Initialize context mapping and zero out the quick contexts. The
3131 * context block must have already been enabled. */
3132 bnx2_init_context(bp);
3133
3134 bnx2_init_cpus(bp);
3135 bnx2_init_nvram(bp);
3136
3137 bnx2_set_mac_addr(bp);
3138
3139 val = REG_RD(bp, BNX2_MQ_CONFIG);
3140 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
3141 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
3142 REG_WR(bp, BNX2_MQ_CONFIG, val);
3143
3144 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
3145 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
3146 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
3147
3148 val = (BCM_PAGE_BITS - 8) << 24;
3149 REG_WR(bp, BNX2_RV2P_CONFIG, val);
3150
3151 /* Configure page size. */
3152 val = REG_RD(bp, BNX2_TBDR_CONFIG);
3153 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
3154 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
3155 REG_WR(bp, BNX2_TBDR_CONFIG, val);
3156
3157 val = bp->mac_addr[0] +
3158 (bp->mac_addr[1] << 8) +
3159 (bp->mac_addr[2] << 16) +
3160 bp->mac_addr[3] +
3161 (bp->mac_addr[4] << 8) +
3162 (bp->mac_addr[5] << 16);
3163 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
3164
3165 /* Program the MTU. Also include 4 bytes for CRC32. */
3166 val = bp->dev->mtu + ETH_HLEN + 4;
3167 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
3168 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
3169 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
3170
3171 bp->last_status_idx = 0;
3172 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
3173
3174 /* Set up how to generate a link change interrupt. */
3175 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
3176
3177 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
3178 (u64) bp->status_blk_mapping & 0xffffffff);
3179 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
3180
3181 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
3182 (u64) bp->stats_blk_mapping & 0xffffffff);
3183 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
3184 (u64) bp->stats_blk_mapping >> 32);
3185
3186 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
3187 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
3188
3189 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
3190 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
3191
3192 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
3193 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
3194
3195 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
3196
3197 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
3198
3199 REG_WR(bp, BNX2_HC_COM_TICKS,
3200 (bp->com_ticks_int << 16) | bp->com_ticks);
3201
3202 REG_WR(bp, BNX2_HC_CMD_TICKS,
3203 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
3204
3205 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
3206 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
3207
3208 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
3209 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_COLLECT_STATS);
3210 else {
3211 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_RX_TMR_MODE |
3212 BNX2_HC_CONFIG_TX_TMR_MODE |
3213 BNX2_HC_CONFIG_COLLECT_STATS);
3214 }
3215
3216 /* Clear internal stats counters. */
3217 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
3218
3219 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
3220
e29054f9
MC		 3221 if (REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE) &
3222 BNX2_PORT_FEATURE_ASF_ENABLED)
3223 bp->flags |= ASF_ENABLE_FLAG;
3224
b6016b76
MC		 3225 /* Initialize the receive filter. */
3226 bnx2_set_rx_mode(bp->dev);
3227
b090ae2b
MC		 3228 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
3229 0);
b6016b76
MC		 3230
3231 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
3232 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
3233
3234 udelay(20);
3235
b090ae2b 3236 return rc;
b6016b76
MC		 3237}
3238
3239
3240static void
3241bnx2_init_tx_ring(struct bnx2 *bp)
3242{
3243 struct tx_bd *txbd;
3244 u32 val;
3245
3246 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
3247
3248 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
3249 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
3250
3251 bp->tx_prod = 0;
3252 bp->tx_cons = 0;
f4e418f7 3253 bp->hw_tx_cons = 0;
b6016b76 3254 bp->tx_prod_bseq = 0;
b6016b76
MC		 3255
3256 val = BNX2_L2CTX_TYPE_TYPE_L2;
3257 val |= BNX2_L2CTX_TYPE_SIZE_L2;
3258 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val);
3259
3260 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2;
3261 val |= 8 << 16;
3262 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val);
3263
3264 val = (u64) bp->tx_desc_mapping >> 32;
3265 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val);
3266
3267 val = (u64) bp->tx_desc_mapping & 0xffffffff;
3268 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val);
3269}
3270
3271static void
3272bnx2_init_rx_ring(struct bnx2 *bp)
3273{
3274 struct rx_bd *rxbd;
3275 int i;
3276 u16 prod, ring_prod;
3277 u32 val;
3278
3279 /* 8 for CRC and VLAN */
3280 bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
3281 /* 8 for alignment */
3282 bp->rx_buf_size = bp->rx_buf_use_size + 8;
3283
3284 ring_prod = prod = bp->rx_prod = 0;
3285 bp->rx_cons = 0;
f4e418f7 3286 bp->hw_rx_cons = 0;
b6016b76
MC		 3287 bp->rx_prod_bseq = 0;
3288
3289 rxbd = &bp->rx_desc_ring[0];
3290 for (i = 0; i < MAX_RX_DESC_CNT; i++, rxbd++) {
3291 rxbd->rx_bd_len = bp->rx_buf_use_size;
3292 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
3293 }
3294
3295 rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping >> 32;
3296 rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping & 0xffffffff;
3297
3298 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
3299 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
3300 val |= 0x02 << 8;
3301 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
3302
3303 val = (u64) bp->rx_desc_mapping >> 32;
3304 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);
3305
3306 val = (u64) bp->rx_desc_mapping & 0xffffffff;
3307 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
3308
3309 for ( ;ring_prod < bp->rx_ring_size; ) {
3310 if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
3311 break;
3312 }
3313 prod = NEXT_RX_BD(prod);
3314 ring_prod = RX_RING_IDX(prod);
3315 }
3316 bp->rx_prod = prod;
3317
3318 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
3319
3320 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
3321}
3322
3323static void
3324bnx2_free_tx_skbs(struct bnx2 *bp)
3325{
3326 int i;
3327
3328 if (bp->tx_buf_ring == NULL)
3329 return;
3330
3331 for (i = 0; i < TX_DESC_CNT; ) {
3332 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
3333 struct sk_buff *skb = tx_buf->skb;
3334 int j, last;
3335
3336 if (skb == NULL) {
3337 i++;
3338 continue;
3339 }
3340
3341 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
3342 skb_headlen(skb), PCI_DMA_TODEVICE);
3343
3344 tx_buf->skb = NULL;
3345
3346 last = skb_shinfo(skb)->nr_frags;
3347 for (j = 0; j < last; j++) {
3348 tx_buf = &bp->tx_buf_ring[i + j + 1];
3349 pci_unmap_page(bp->pdev,
3350 pci_unmap_addr(tx_buf, mapping),
3351 skb_shinfo(skb)->frags[j].size,
3352 PCI_DMA_TODEVICE);
3353 }
3354 dev_kfree_skb_any(skb);
3355 i += j + 1;
3356 }
3357
3358}
3359
3360static void
3361bnx2_free_rx_skbs(struct bnx2 *bp)
3362{
3363 int i;
3364
3365 if (bp->rx_buf_ring == NULL)
3366 return;
3367
3368 for (i = 0; i < RX_DESC_CNT; i++) {
3369 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
3370 struct sk_buff *skb = rx_buf->skb;
3371
05d0f1cf 3372 if (skb == NULL)
b6016b76
MC		 3373 continue;
3374
3375 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
3376 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
3377
3378 rx_buf->skb = NULL;
3379
3380 dev_kfree_skb_any(skb);
3381 }
3382}
3383
3384static void
3385bnx2_free_skbs(struct bnx2 *bp)
3386{
3387 bnx2_free_tx_skbs(bp);
3388 bnx2_free_rx_skbs(bp);
3389}
3390
3391static int
3392bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
3393{
3394 int rc;
3395
3396 rc = bnx2_reset_chip(bp, reset_code);
3397 bnx2_free_skbs(bp);
3398 if (rc)
3399 return rc;
3400
3401 bnx2_init_chip(bp);
3402 bnx2_init_tx_ring(bp);
3403 bnx2_init_rx_ring(bp);
3404 return 0;
3405}
3406
3407static int
3408bnx2_init_nic(struct bnx2 *bp)
3409{
3410 int rc;
3411
3412 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
3413 return rc;
3414
3415 bnx2_init_phy(bp);
3416 bnx2_set_link(bp);
3417 return 0;
3418}
3419
3420static int
3421bnx2_test_registers(struct bnx2 *bp)
3422{
3423 int ret;
3424 int i;
3425 static struct {
3426 u16 offset;
3427 u16 flags;
3428 u32 rw_mask;
3429 u32 ro_mask;
3430 } reg_tbl[] = {
3431 { 0x006c, 0, 0x00000000, 0x0000003f },
3432 { 0x0090, 0, 0xffffffff, 0x00000000 },
3433 { 0x0094, 0, 0x00000000, 0x00000000 },
3434
3435 { 0x0404, 0, 0x00003f00, 0x00000000 },
3436 { 0x0418, 0, 0x00000000, 0xffffffff },
3437 { 0x041c, 0, 0x00000000, 0xffffffff },
3438 { 0x0420, 0, 0x00000000, 0x80ffffff },
3439 { 0x0424, 0, 0x00000000, 0x00000000 },
3440 { 0x0428, 0, 0x00000000, 0x00000001 },
3441 { 0x0450, 0, 0x00000000, 0x0000ffff },
3442 { 0x0454, 0, 0x00000000, 0xffffffff },
3443 { 0x0458, 0, 0x00000000, 0xffffffff },
3444
3445 { 0x0808, 0, 0x00000000, 0xffffffff },
3446 { 0x0854, 0, 0x00000000, 0xffffffff },
3447 { 0x0868, 0, 0x00000000, 0x77777777 },
3448 { 0x086c, 0, 0x00000000, 0x77777777 },
3449 { 0x0870, 0, 0x00000000, 0x77777777 },
3450 { 0x0874, 0, 0x00000000, 0x77777777 },
3451
3452 { 0x0c00, 0, 0x00000000, 0x00000001 },
3453 { 0x0c04, 0, 0x00000000, 0x03ff0001 },
3454 { 0x0c08, 0, 0x0f0ff073, 0x00000000 },
3455 { 0x0c0c, 0, 0x00ffffff, 0x00000000 },
3456 { 0x0c30, 0, 0x00000000, 0xffffffff },
3457 { 0x0c34, 0, 0x00000000, 0xffffffff },
3458 { 0x0c38, 0, 0x00000000, 0xffffffff },
3459 { 0x0c3c, 0, 0x00000000, 0xffffffff },
3460 { 0x0c40, 0, 0x00000000, 0xffffffff },
3461 { 0x0c44, 0, 0x00000000, 0xffffffff },
3462 { 0x0c48, 0, 0x00000000, 0x0007ffff },
3463 { 0x0c4c, 0, 0x00000000, 0xffffffff },
3464 { 0x0c50, 0, 0x00000000, 0xffffffff },
3465 { 0x0c54, 0, 0x00000000, 0xffffffff },
3466 { 0x0c58, 0, 0x00000000, 0xffffffff },
3467 { 0x0c5c, 0, 0x00000000, 0xffffffff },
3468 { 0x0c60, 0, 0x00000000, 0xffffffff },
3469 { 0x0c64, 0, 0x00000000, 0xffffffff },
3470 { 0x0c68, 0, 0x00000000, 0xffffffff },
3471 { 0x0c6c, 0, 0x00000000, 0xffffffff },
3472 { 0x0c70, 0, 0x00000000, 0xffffffff },
3473 { 0x0c74, 0, 0x00000000, 0xffffffff },
3474 { 0x0c78, 0, 0x00000000, 0xffffffff },
3475 { 0x0c7c, 0, 0x00000000, 0xffffffff },
3476 { 0x0c80, 0, 0x00000000, 0xffffffff },
3477 { 0x0c84, 0, 0x00000000, 0xffffffff },
3478 { 0x0c88, 0, 0x00000000, 0xffffffff },
3479 { 0x0c8c, 0, 0x00000000, 0xffffffff },
3480 { 0x0c90, 0, 0x00000000, 0xffffffff },
3481 { 0x0c94, 0, 0x00000000, 0xffffffff },
3482 { 0x0c98, 0, 0x00000000, 0xffffffff },
3483 { 0x0c9c, 0, 0x00000000, 0xffffffff },
3484 { 0x0ca0, 0, 0x00000000, 0xffffffff },
3485 { 0x0ca4, 0, 0x00000000, 0xffffffff },
3486 { 0x0ca8, 0, 0x00000000, 0x0007ffff },
3487 { 0x0cac, 0, 0x00000000, 0xffffffff },
3488 { 0x0cb0, 0, 0x00000000, 0xffffffff },
3489 { 0x0cb4, 0, 0x00000000, 0xffffffff },
3490 { 0x0cb8, 0, 0x00000000, 0xffffffff },
3491 { 0x0cbc, 0, 0x00000000, 0xffffffff },
3492 { 0x0cc0, 0, 0x00000000, 0xffffffff },
3493 { 0x0cc4, 0, 0x00000000, 0xffffffff },
3494 { 0x0cc8, 0, 0x00000000, 0xffffffff },
3495 { 0x0ccc, 0, 0x00000000, 0xffffffff },
3496 { 0x0cd0, 0, 0x00000000, 0xffffffff },
3497 { 0x0cd4, 0, 0x00000000, 0xffffffff },
3498 { 0x0cd8, 0, 0x00000000, 0xffffffff },
3499 { 0x0cdc, 0, 0x00000000, 0xffffffff },
3500 { 0x0ce0, 0, 0x00000000, 0xffffffff },
3501 { 0x0ce4, 0, 0x00000000, 0xffffffff },
3502 { 0x0ce8, 0, 0x00000000, 0xffffffff },
3503 { 0x0cec, 0, 0x00000000, 0xffffffff },
3504 { 0x0cf0, 0, 0x00000000, 0xffffffff },
3505 { 0x0cf4, 0, 0x00000000, 0xffffffff },
3506 { 0x0cf8, 0, 0x00000000, 0xffffffff },
3507 { 0x0cfc, 0, 0x00000000, 0xffffffff },
3508 { 0x0d00, 0, 0x00000000, 0xffffffff },
3509 { 0x0d04, 0, 0x00000000, 0xffffffff },
3510
3511 { 0x1000, 0, 0x00000000, 0x00000001 },
3512 { 0x1004, 0, 0x00000000, 0x000f0001 },
3513 { 0x1044, 0, 0x00000000, 0xffc003ff },
3514 { 0x1080, 0, 0x00000000, 0x0001ffff },
3515 { 0x1084, 0, 0x00000000, 0xffffffff },
3516 { 0x1088, 0, 0x00000000, 0xffffffff },
3517 { 0x108c, 0, 0x00000000, 0xffffffff },
3518 { 0x1090, 0, 0x00000000, 0xffffffff },
3519 { 0x1094, 0, 0x00000000, 0xffffffff },
3520 { 0x1098, 0, 0x00000000, 0xffffffff },
3521 { 0x109c, 0, 0x00000000, 0xffffffff },
3522 { 0x10a0, 0, 0x00000000, 0xffffffff },
3523
3524 { 0x1408, 0, 0x01c00800, 0x00000000 },
3525 { 0x149c, 0, 0x8000ffff, 0x00000000 },
3526 { 0x14a8, 0, 0x00000000, 0x000001ff },
5b0c76ad 3527 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
b6016b76
MC		 3528 { 0x14b0, 0, 0x00000002, 0x00000001 },
3529 { 0x14b8, 0, 0x00000000, 0x00000000 },
3530 { 0x14c0, 0, 0x00000000, 0x00000009 },
3531 { 0x14c4, 0, 0x00003fff, 0x00000000 },
3532 { 0x14cc, 0, 0x00000000, 0x00000001 },
3533 { 0x14d0, 0, 0xffffffff, 0x00000000 },
3534 { 0x1500, 0, 0x00000000, 0xffffffff },
3535 { 0x1504, 0, 0x00000000, 0xffffffff },
3536 { 0x1508, 0, 0x00000000, 0xffffffff },
3537 { 0x150c, 0, 0x00000000, 0xffffffff },
3538 { 0x1510, 0, 0x00000000, 0xffffffff },
3539 { 0x1514, 0, 0x00000000, 0xffffffff },
3540 { 0x1518, 0, 0x00000000, 0xffffffff },
3541 { 0x151c, 0, 0x00000000, 0xffffffff },
3542 { 0x1520, 0, 0x00000000, 0xffffffff },
3543 { 0x1524, 0, 0x00000000, 0xffffffff },
3544 { 0x1528, 0, 0x00000000, 0xffffffff },
3545 { 0x152c, 0, 0x00000000, 0xffffffff },
3546 { 0x1530, 0, 0x00000000, 0xffffffff },
3547 { 0x1534, 0, 0x00000000, 0xffffffff },
3548 { 0x1538, 0, 0x00000000, 0xffffffff },
3549 { 0x153c, 0, 0x00000000, 0xffffffff },
3550 { 0x1540, 0, 0x00000000, 0xffffffff },
3551 { 0x1544, 0, 0x00000000, 0xffffffff },
3552 { 0x1548, 0, 0x00000000, 0xffffffff },
3553 { 0x154c, 0, 0x00000000, 0xffffffff },
3554 { 0x1550, 0, 0x00000000, 0xffffffff },
3555 { 0x1554, 0, 0x00000000, 0xffffffff },
3556 { 0x1558, 0, 0x00000000, 0xffffffff },
3557 { 0x1600, 0, 0x00000000, 0xffffffff },
3558 { 0x1604, 0, 0x00000000, 0xffffffff },
3559 { 0x1608, 0, 0x00000000, 0xffffffff },
3560 { 0x160c, 0, 0x00000000, 0xffffffff },
3561 { 0x1610, 0, 0x00000000, 0xffffffff },
3562 { 0x1614, 0, 0x00000000, 0xffffffff },
3563 { 0x1618, 0, 0x00000000, 0xffffffff },
3564 { 0x161c, 0, 0x00000000, 0xffffffff },
3565 { 0x1620, 0, 0x00000000, 0xffffffff },
3566 { 0x1624, 0, 0x00000000, 0xffffffff },
3567 { 0x1628, 0, 0x00000000, 0xffffffff },
3568 { 0x162c, 0, 0x00000000, 0xffffffff },
3569 { 0x1630, 0, 0x00000000, 0xffffffff },
3570 { 0x1634, 0, 0x00000000, 0xffffffff },
3571 { 0x1638, 0, 0x00000000, 0xffffffff },
3572 { 0x163c, 0, 0x00000000, 0xffffffff },
3573 { 0x1640, 0, 0x00000000, 0xffffffff },
3574 { 0x1644, 0, 0x00000000, 0xffffffff },
3575 { 0x1648, 0, 0x00000000, 0xffffffff },
3576 { 0x164c, 0, 0x00000000, 0xffffffff },
3577 { 0x1650, 0, 0x00000000, 0xffffffff },
3578 { 0x1654, 0, 0x00000000, 0xffffffff },
3579
3580 { 0x1800, 0, 0x00000000, 0x00000001 },
3581 { 0x1804, 0, 0x00000000, 0x00000003 },
3582 { 0x1840, 0, 0x00000000, 0xffffffff },
3583 { 0x1844, 0, 0x00000000, 0xffffffff },
3584 { 0x1848, 0, 0x00000000, 0xffffffff },
3585 { 0x184c, 0, 0x00000000, 0xffffffff },
3586 { 0x1850, 0, 0x00000000, 0xffffffff },
3587 { 0x1900, 0, 0x7ffbffff, 0x00000000 },
3588 { 0x1904, 0, 0xffffffff, 0x00000000 },
3589 { 0x190c, 0, 0xffffffff, 0x00000000 },
3590 { 0x1914, 0, 0xffffffff, 0x00000000 },
3591 { 0x191c, 0, 0xffffffff, 0x00000000 },
3592 { 0x1924, 0, 0xffffffff, 0x00000000 },
3593 { 0x192c, 0, 0xffffffff, 0x00000000 },
3594 { 0x1934, 0, 0xffffffff, 0x00000000 },
3595 { 0x193c, 0, 0xffffffff, 0x00000000 },
3596 { 0x1944, 0, 0xffffffff, 0x00000000 },
3597 { 0x194c, 0, 0xffffffff, 0x00000000 },
3598 { 0x1954, 0, 0xffffffff, 0x00000000 },
3599 { 0x195c, 0, 0xffffffff, 0x00000000 },
3600 { 0x1964, 0, 0xffffffff, 0x00000000 },
3601 { 0x196c, 0, 0xffffffff, 0x00000000 },
3602 { 0x1974, 0, 0xffffffff, 0x00000000 },
3603 { 0x197c, 0, 0xffffffff, 0x00000000 },
3604 { 0x1980, 0, 0x0700ffff, 0x00000000 },
3605
3606 { 0x1c00, 0, 0x00000000, 0x00000001 },
3607 { 0x1c04, 0, 0x00000000, 0x00000003 },
3608 { 0x1c08, 0, 0x0000000f, 0x00000000 },
3609 { 0x1c40, 0, 0x00000000, 0xffffffff },
3610 { 0x1c44, 0, 0x00000000, 0xffffffff },
3611 { 0x1c48, 0, 0x00000000, 0xffffffff },
3612 { 0x1c4c, 0, 0x00000000, 0xffffffff },
3613 { 0x1c50, 0, 0x00000000, 0xffffffff },
3614 { 0x1d00, 0, 0x7ffbffff, 0x00000000 },
3615 { 0x1d04, 0, 0xffffffff, 0x00000000 },
3616 { 0x1d0c, 0, 0xffffffff, 0x00000000 },
3617 { 0x1d14, 0, 0xffffffff, 0x00000000 },
3618 { 0x1d1c, 0, 0xffffffff, 0x00000000 },
3619 { 0x1d24, 0, 0xffffffff, 0x00000000 },
3620 { 0x1d2c, 0, 0xffffffff, 0x00000000 },
3621 { 0x1d34, 0, 0xffffffff, 0x00000000 },
3622 { 0x1d3c, 0, 0xffffffff, 0x00000000 },
3623 { 0x1d44, 0, 0xffffffff, 0x00000000 },
3624 { 0x1d4c, 0, 0xffffffff, 0x00000000 },
3625 { 0x1d54, 0, 0xffffffff, 0x00000000 },
3626 { 0x1d5c, 0, 0xffffffff, 0x00000000 },
3627 { 0x1d64, 0, 0xffffffff, 0x00000000 },
3628 { 0x1d6c, 0, 0xffffffff, 0x00000000 },
3629 { 0x1d74, 0, 0xffffffff, 0x00000000 },
3630 { 0x1d7c, 0, 0xffffffff, 0x00000000 },
3631 { 0x1d80, 0, 0x0700ffff, 0x00000000 },
3632
3633 { 0x2004, 0, 0x00000000, 0x0337000f },
3634 { 0x2008, 0, 0xffffffff, 0x00000000 },
3635 { 0x200c, 0, 0xffffffff, 0x00000000 },
3636 { 0x2010, 0, 0xffffffff, 0x00000000 },
3637 { 0x2014, 0, 0x801fff80, 0x00000000 },
3638 { 0x2018, 0, 0x000003ff, 0x00000000 },
3639
3640 { 0x2800, 0, 0x00000000, 0x00000001 },
3641 { 0x2804, 0, 0x00000000, 0x00003f01 },
3642 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
3643 { 0x2810, 0, 0xffff0000, 0x00000000 },
3644 { 0x2814, 0, 0xffff0000, 0x00000000 },
3645 { 0x2818, 0, 0xffff0000, 0x00000000 },
3646 { 0x281c, 0, 0xffff0000, 0x00000000 },
3647 { 0x2834, 0, 0xffffffff, 0x00000000 },
3648 { 0x2840, 0, 0x00000000, 0xffffffff },
3649 { 0x2844, 0, 0x00000000, 0xffffffff },
3650 { 0x2848, 0, 0xffffffff, 0x00000000 },
3651 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
3652
3653 { 0x2c00, 0, 0x00000000, 0x00000011 },
3654 { 0x2c04, 0, 0x00000000, 0x00030007 },
3655
3656 { 0x3000, 0, 0x00000000, 0x00000001 },
3657 { 0x3004, 0, 0x00000000, 0x007007ff },
3658 { 0x3008, 0, 0x00000003, 0x00000000 },
3659 { 0x300c, 0, 0xffffffff, 0x00000000 },
3660 { 0x3010, 0, 0xffffffff, 0x00000000 },
3661 { 0x3014, 0, 0xffffffff, 0x00000000 },
3662 { 0x3034, 0, 0xffffffff, 0x00000000 },
3663 { 0x3038, 0, 0xffffffff, 0x00000000 },
3664 { 0x3050, 0, 0x00000001, 0x00000000 },
3665
3666 { 0x3c00, 0, 0x00000000, 0x00000001 },
3667 { 0x3c04, 0, 0x00000000, 0x00070000 },
3668 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
3669 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
3670 { 0x3c10, 0, 0xffffffff, 0x00000000 },
3671 { 0x3c14, 0, 0x00000000, 0xffffffff },
3672 { 0x3c18, 0, 0x00000000, 0xffffffff },
3673 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
3674 { 0x3c20, 0, 0xffffff00, 0x00000000 },
3675 { 0x3c24, 0, 0xffffffff, 0x00000000 },
3676 { 0x3c28, 0, 0xffffffff, 0x00000000 },
3677 { 0x3c2c, 0, 0xffffffff, 0x00000000 },
3678 { 0x3c30, 0, 0xffffffff, 0x00000000 },
3679 { 0x3c34, 0, 0xffffffff, 0x00000000 },
3680 { 0x3c38, 0, 0xffffffff, 0x00000000 },
3681 { 0x3c3c, 0, 0xffffffff, 0x00000000 },
3682 { 0x3c40, 0, 0xffffffff, 0x00000000 },
3683 { 0x3c44, 0, 0xffffffff, 0x00000000 },
3684 { 0x3c48, 0, 0xffffffff, 0x00000000 },
3685 { 0x3c4c, 0, 0xffffffff, 0x00000000 },
3686 { 0x3c50, 0, 0xffffffff, 0x00000000 },
3687 { 0x3c54, 0, 0xffffffff, 0x00000000 },
3688 { 0x3c58, 0, 0xffffffff, 0x00000000 },
3689 { 0x3c5c, 0, 0xffffffff, 0x00000000 },
3690 { 0x3c60, 0, 0xffffffff, 0x00000000 },
3691 { 0x3c64, 0, 0xffffffff, 0x00000000 },
3692 { 0x3c68, 0, 0xffffffff, 0x00000000 },
3693 { 0x3c6c, 0, 0xffffffff, 0x00000000 },
3694 { 0x3c70, 0, 0xffffffff, 0x00000000 },
3695 { 0x3c74, 0, 0x0000003f, 0x00000000 },
3696 { 0x3c78, 0, 0x00000000, 0x00000000 },
3697 { 0x3c7c, 0, 0x00000000, 0x00000000 },
3698 { 0x3c80, 0, 0x3fffffff, 0x00000000 },
3699 { 0x3c84, 0, 0x0000003f, 0x00000000 },
3700 { 0x3c88, 0, 0x00000000, 0xffffffff },
3701 { 0x3c8c, 0, 0x00000000, 0xffffffff },
3702
3703 { 0x4000, 0, 0x00000000, 0x00000001 },
3704 { 0x4004, 0, 0x00000000, 0x00030000 },
3705 { 0x4008, 0, 0x00000ff0, 0x00000000 },
3706 { 0x400c, 0, 0xffffffff, 0x00000000 },
3707 { 0x4088, 0, 0x00000000, 0x00070303 },
3708
3709 { 0x4400, 0, 0x00000000, 0x00000001 },
3710 { 0x4404, 0, 0x00000000, 0x00003f01 },
3711 { 0x4408, 0, 0x7fff00ff, 0x00000000 },
3712 { 0x440c, 0, 0xffffffff, 0x00000000 },
3713 { 0x4410, 0, 0xffff, 0x0000 },
3714 { 0x4414, 0, 0xffff, 0x0000 },
3715 { 0x4418, 0, 0xffff, 0x0000 },
3716 { 0x441c, 0, 0xffff, 0x0000 },
3717 { 0x4428, 0, 0xffffffff, 0x00000000 },
3718 { 0x442c, 0, 0xffffffff, 0x00000000 },
3719 { 0x4430, 0, 0xffffffff, 0x00000000 },
3720 { 0x4434, 0, 0xffffffff, 0x00000000 },
3721 { 0x4438, 0, 0xffffffff, 0x00000000 },
3722 { 0x443c, 0, 0xffffffff, 0x00000000 },
3723 { 0x4440, 0, 0xffffffff, 0x00000000 },
3724 { 0x4444, 0, 0xffffffff, 0x00000000 },
3725
3726 { 0x4c00, 0, 0x00000000, 0x00000001 },
3727 { 0x4c04, 0, 0x00000000, 0x0000003f },
3728 { 0x4c08, 0, 0xffffffff, 0x00000000 },
3729 { 0x4c0c, 0, 0x0007fc00, 0x00000000 },
3730 { 0x4c10, 0, 0x80003fe0, 0x00000000 },
3731 { 0x4c14, 0, 0xffffffff, 0x00000000 },
3732 { 0x4c44, 0, 0x00000000, 0x9fff9fff },
3733 { 0x4c48, 0, 0x00000000, 0xb3009fff },
3734 { 0x4c4c, 0, 0x00000000, 0x77f33b30 },
3735 { 0x4c50, 0, 0x00000000, 0xffffffff },
3736
3737 { 0x5004, 0, 0x00000000, 0x0000007f },
3738 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
3739 { 0x500c, 0, 0xf800f800, 0x07ff07ff },
3740
3741 { 0x5400, 0, 0x00000008, 0x00000001 },
3742 { 0x5404, 0, 0x00000000, 0x0000003f },
3743 { 0x5408, 0, 0x0000001f, 0x00000000 },
3744 { 0x540c, 0, 0xffffffff, 0x00000000 },
3745 { 0x5410, 0, 0xffffffff, 0x00000000 },
3746 { 0x5414, 0, 0x0000ffff, 0x00000000 },
3747 { 0x5418, 0, 0x0000ffff, 0x00000000 },
3748 { 0x541c, 0, 0x0000ffff, 0x00000000 },
3749 { 0x5420, 0, 0x0000ffff, 0x00000000 },
3750 { 0x5428, 0, 0x000000ff, 0x00000000 },
3751 { 0x542c, 0, 0xff00ffff, 0x00000000 },
3752 { 0x5430, 0, 0x001fff80, 0x00000000 },
3753 { 0x5438, 0, 0xffffffff, 0x00000000 },
3754 { 0x543c, 0, 0xffffffff, 0x00000000 },
3755 { 0x5440, 0, 0xf800f800, 0x07ff07ff },
3756
3757 { 0x5c00, 0, 0x00000000, 0x00000001 },
3758 { 0x5c04, 0, 0x00000000, 0x0003000f },
3759 { 0x5c08, 0, 0x00000003, 0x00000000 },
3760 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
3761 { 0x5c10, 0, 0x00000000, 0xffffffff },
3762 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
3763 { 0x5c84, 0, 0x00000000, 0x0000f333 },
3764 { 0x5c88, 0, 0x00000000, 0x00077373 },
3765 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
3766
3767 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
3768 { 0x680c, 0, 0xffffffff, 0x00000000 },
3769 { 0x6810, 0, 0xffffffff, 0x00000000 },
3770 { 0x6814, 0, 0xffffffff, 0x00000000 },
3771 { 0x6818, 0, 0xffffffff, 0x00000000 },
3772 { 0x681c, 0, 0xffffffff, 0x00000000 },
3773 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
3774 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
3775 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
3776 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
3777 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
3778 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
3779 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
3780 { 0x683c, 0, 0x0000ffff, 0x00000000 },
3781 { 0x6840, 0, 0x00000ff0, 0x00000000 },
3782 { 0x6844, 0, 0x00ffff00, 0x00000000 },
3783 { 0x684c, 0, 0xffffffff, 0x00000000 },
3784 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
3785 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
3786 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
3787 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
3788 { 0x6908, 0, 0x00000000, 0x0001ff0f },
3789 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
3790
3791 { 0xffff, 0, 0x00000000, 0x00000000 },
3792 };
3793
3794 ret = 0;
3795 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
3796 u32 offset, rw_mask, ro_mask, save_val, val;
3797
3798 offset = (u32) reg_tbl[i].offset;
3799 rw_mask = reg_tbl[i].rw_mask;
3800 ro_mask = reg_tbl[i].ro_mask;
3801
14ab9b86 3802 save_val = readl(bp->regview + offset);
b6016b76 3803
14ab9b86 3804 writel(0, bp->regview + offset);
b6016b76 3805
14ab9b86 3806 val = readl(bp->regview + offset);
b6016b76
MC		 3807 if ((val & rw_mask) != 0) {
3808 goto reg_test_err;
3809 }
3810
3811 if ((val & ro_mask) != (save_val & ro_mask)) {
3812 goto reg_test_err;
3813 }
3814
14ab9b86 3815 writel(0xffffffff, bp->regview + offset);
b6016b76 3816
14ab9b86 3817 val = readl(bp->regview + offset);
b6016b76
MC		 3818 if ((val & rw_mask) != rw_mask) {
3819 goto reg_test_err;
3820 }
3821
3822 if ((val & ro_mask) != (save_val & ro_mask)) {
3823 goto reg_test_err;
3824 }
3825
14ab9b86 3826 writel(save_val, bp->regview + offset);
b6016b76
MC		 3827 continue;
3828
3829reg_test_err:
14ab9b86 3830 writel(save_val, bp->regview + offset);
b6016b76
MC		 3831 ret = -ENODEV;
3832 break;
3833 }
3834 return ret;
3835}
3836
3837static int
3838bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
3839{
3840 static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
3841 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
3842 int i;
3843
3844 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
3845 u32 offset;
3846
3847 for (offset = 0; offset < size; offset += 4) {
3848
3849 REG_WR_IND(bp, start + offset, test_pattern[i]);
3850
3851 if (REG_RD_IND(bp, start + offset) !=
3852 test_pattern[i]) {
3853 return -ENODEV;
3854 }
3855 }
3856 }
3857 return 0;
3858}
3859
3860static int
3861bnx2_test_memory(struct bnx2 *bp)
3862{
3863 int ret = 0;
3864 int i;
3865 static struct {
3866 u32 offset;
3867 u32 len;
3868 } mem_tbl[] = {
3869 { 0x60000, 0x4000 },
5b0c76ad 3870 { 0xa0000, 0x3000 },
b6016b76
MC		 3871 { 0xe0000, 0x4000 },
3872 { 0x120000, 0x4000 },
3873 { 0x1a0000, 0x4000 },
3874 { 0x160000, 0x4000 },
3875 { 0xffffffff, 0 },
3876 };
3877
3878 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
3879 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
3880 mem_tbl[i].len)) != 0) {
3881 return ret;
3882 }
3883 }
3884
3885 return ret;
3886}
3887
3888static int
3889bnx2_test_loopback(struct bnx2 *bp)
3890{
3891 unsigned int pkt_size, num_pkts, i;
3892 struct sk_buff *skb, *rx_skb;
3893 unsigned char *packet;
3894 u16 rx_start_idx, rx_idx, send_idx;
3895 u32 send_bseq, val;
3896 dma_addr_t map;
3897 struct tx_bd *txbd;
3898 struct sw_bd *rx_buf;
3899 struct l2_fhdr *rx_hdr;
3900 int ret = -ENODEV;
3901
3902 if (!netif_running(bp->dev))
3903 return -ENODEV;
3904
3905 bp->loopback = MAC_LOOPBACK;
3906 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_DIAG);
3907 bnx2_set_mac_loopback(bp);
3908
3909 pkt_size = 1514;
3910 skb = dev_alloc_skb(pkt_size);
b6cbc3b6
JL		 3911 if (!skb)
3912 return -ENOMEM;
b6016b76
MC		 3913 packet = skb_put(skb, pkt_size);
3914 memcpy(packet, bp->mac_addr, 6);
3915 memset(packet + 6, 0x0, 8);
3916 for (i = 14; i < pkt_size; i++)
3917 packet[i] = (unsigned char) (i & 0xff);
3918
3919 map = pci_map_single(bp->pdev, skb->data, pkt_size,
3920 PCI_DMA_TODEVICE);
3921
3922 val = REG_RD(bp, BNX2_HC_COMMAND);
3923 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3924 REG_RD(bp, BNX2_HC_COMMAND);
3925
3926 udelay(5);
3927 rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;
3928
3929 send_idx = 0;
3930 send_bseq = 0;
3931 num_pkts = 0;
3932
3933 txbd = &bp->tx_desc_ring[send_idx];
3934
3935 txbd->tx_bd_haddr_hi = (u64) map >> 32;
3936 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
3937 txbd->tx_bd_mss_nbytes = pkt_size;
3938 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
3939
3940 num_pkts++;
3941 send_idx = NEXT_TX_BD(send_idx);
3942
3943 send_bseq += pkt_size;
3944
3945 REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, send_idx);
3946 REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, send_bseq);
3947
3948
3949 udelay(100);
3950
3951 val = REG_RD(bp, BNX2_HC_COMMAND);
3952 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3953 REG_RD(bp, BNX2_HC_COMMAND);
3954
3955 udelay(5);
3956
3957 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
3958 dev_kfree_skb_irq(skb);
3959
3960 if (bp->status_blk->status_tx_quick_consumer_index0 != send_idx) {
3961 goto loopback_test_done;
3962 }
3963
3964 rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
3965 if (rx_idx != rx_start_idx + num_pkts) {
3966 goto loopback_test_done;
3967 }
3968
3969 rx_buf = &bp->rx_buf_ring[rx_start_idx];
3970 rx_skb = rx_buf->skb;
3971
3972 rx_hdr = (struct l2_fhdr *) rx_skb->data;
3973 skb_reserve(rx_skb, bp->rx_offset);
3974
3975 pci_dma_sync_single_for_cpu(bp->pdev,
3976 pci_unmap_addr(rx_buf, mapping),
3977 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
3978
ade2bfe7 3979 if (rx_hdr->l2_fhdr_status &
b6016b76
MC		 3980 (L2_FHDR_ERRORS_BAD_CRC |
3981 L2_FHDR_ERRORS_PHY_DECODE |
3982 L2_FHDR_ERRORS_ALIGNMENT |
3983 L2_FHDR_ERRORS_TOO_SHORT |
3984 L2_FHDR_ERRORS_GIANT_FRAME)) {
3985
3986 goto loopback_test_done;
3987 }
3988
3989 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
3990 goto loopback_test_done;
3991 }
3992
3993 for (i = 14; i < pkt_size; i++) {
3994 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
3995 goto loopback_test_done;
3996 }
3997 }
3998
3999 ret = 0;
4000
4001loopback_test_done:
4002 bp->loopback = 0;
4003 return ret;
4004}
4005
4006#define NVRAM_SIZE 0x200
4007#define CRC32_RESIDUAL 0xdebb20e3
4008
4009static int
4010bnx2_test_nvram(struct bnx2 *bp)
4011{
4012 u32 buf[NVRAM_SIZE / 4];
4013 u8 *data = (u8 *) buf;
4014 int rc = 0;
4015 u32 magic, csum;
4016
4017 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
4018 goto test_nvram_done;
4019
4020 magic = be32_to_cpu(buf[0]);
4021 if (magic != 0x669955aa) {
4022 rc = -ENODEV;
4023 goto test_nvram_done;
4024 }
4025
4026 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
4027 goto test_nvram_done;
4028
4029 csum = ether_crc_le(0x100, data);
4030 if (csum != CRC32_RESIDUAL) {
4031 rc = -ENODEV;
4032 goto test_nvram_done;
4033 }
4034
4035 csum = ether_crc_le(0x100, data + 0x100);
4036 if (csum != CRC32_RESIDUAL) {
4037 rc = -ENODEV;
4038 }
4039
4040test_nvram_done:
4041 return rc;
4042}
4043
4044static int
4045bnx2_test_link(struct bnx2 *bp)
4046{
4047 u32 bmsr;
4048
c770a65c 4049 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 4050 bnx2_read_phy(bp, MII_BMSR, &bmsr);
4051 bnx2_read_phy(bp, MII_BMSR, &bmsr);
c770a65c 4052 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 4053
4054 if (bmsr & BMSR_LSTATUS) {
4055 return 0;
4056 }
4057 return -ENODEV;
4058}
4059
4060static int
4061bnx2_test_intr(struct bnx2 *bp)
4062{
4063 int i;
4064 u32 val;
4065 u16 status_idx;
4066
4067 if (!netif_running(bp->dev))
4068 return -ENODEV;
4069
4070 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
4071
4072 /* This register is not touched during run-time. */
4073 val = REG_RD(bp, BNX2_HC_COMMAND);
4074 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
4075 REG_RD(bp, BNX2_HC_COMMAND);
4076
4077 for (i = 0; i < 10; i++) {
4078 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
4079 status_idx) {
4080
4081 break;
4082 }
4083
4084 msleep_interruptible(10);
4085 }
4086 if (i < 10)
4087 return 0;
4088
4089 return -ENODEV;
4090}
4091
4092static void
4093bnx2_timer(unsigned long data)
4094{
4095 struct bnx2 *bp = (struct bnx2 *) data;
4096 u32 msg;
4097
cd339a0e
MC		 4098 if (!netif_running(bp->dev))
4099 return;
4100
b6016b76
MC		 4101 if (atomic_read(&bp->intr_sem) != 0)
4102 goto bnx2_restart_timer;
4103
4104 msg = (u32) ++bp->fw_drv_pulse_wr_seq;
e3648b3d 4105 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg);
b6016b76
MC		 4106
4107 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
4108 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
b6016b76 4109
c770a65c 4110 spin_lock(&bp->phy_lock);
b6016b76
MC		 4111 if (bp->serdes_an_pending) {
4112 bp->serdes_an_pending--;
4113 }
4114 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
4115 u32 bmcr;
4116
cd339a0e
MC		 4117 bp->current_interval = bp->timer_interval;
4118
b6016b76
MC		 4119 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4120
4121 if (bmcr & BMCR_ANENABLE) {
4122 u32 phy1, phy2;
4123
4124 bnx2_write_phy(bp, 0x1c, 0x7c00);
4125 bnx2_read_phy(bp, 0x1c, &phy1);
4126
4127 bnx2_write_phy(bp, 0x17, 0x0f01);
4128 bnx2_read_phy(bp, 0x15, &phy2);
4129 bnx2_write_phy(bp, 0x17, 0x0f01);
4130 bnx2_read_phy(bp, 0x15, &phy2);
4131
4132 if ((phy1 & 0x10) && /* SIGNAL DETECT */
4133 !(phy2 & 0x20)) { /* no CONFIG */
4134
4135 bmcr &= ~BMCR_ANENABLE;
4136 bmcr |= BMCR_SPEED1000 |
4137 BMCR_FULLDPLX;
4138 bnx2_write_phy(bp, MII_BMCR, bmcr);
4139 bp->phy_flags |=
4140 PHY_PARALLEL_DETECT_FLAG;
4141 }
4142 }
4143 }
4144 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
4145 (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
4146 u32 phy2;
4147
4148 bnx2_write_phy(bp, 0x17, 0x0f01);
4149 bnx2_read_phy(bp, 0x15, &phy2);
4150 if (phy2 & 0x20) {
4151 u32 bmcr;
4152
4153 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4154 bmcr |= BMCR_ANENABLE;
4155 bnx2_write_phy(bp, MII_BMCR, bmcr);
4156
4157 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
4158
4159 }
4160 }
cd339a0e
MC		 4161 else
4162 bp->current_interval = bp->timer_interval;
b6016b76 4163
c770a65c 4164 spin_unlock(&bp->phy_lock);
b6016b76
MC		 4165 }
4166
4167bnx2_restart_timer:
cd339a0e 4168 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 4169}
4170
4171/* Called with rtnl_lock */
4172static int
4173bnx2_open(struct net_device *dev)
4174{
4175 struct bnx2 *bp = dev->priv;
4176 int rc;
4177
829ca9a3 4178 bnx2_set_power_state(bp, PCI_D0);
b6016b76
MC		 4179 bnx2_disable_int(bp);
4180
4181 rc = bnx2_alloc_mem(bp);
4182 if (rc)
4183 return rc;
4184
4185 if ((CHIP_ID(bp) != CHIP_ID_5706_A0) &&
4186 (CHIP_ID(bp) != CHIP_ID_5706_A1) &&
4187 !disable_msi) {
4188
4189 if (pci_enable_msi(bp->pdev) == 0) {
4190 bp->flags |= USING_MSI_FLAG;
4191 rc = request_irq(bp->pdev->irq, bnx2_msi, 0, dev->name,
4192 dev);
4193 }
4194 else {
4195 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4196 SA_SHIRQ, dev->name, dev);
4197 }
4198 }
4199 else {
4200 rc = request_irq(bp->pdev->irq, bnx2_interrupt, SA_SHIRQ,
4201 dev->name, dev);
4202 }
4203 if (rc) {
4204 bnx2_free_mem(bp);
4205 return rc;
4206 }
4207
4208 rc = bnx2_init_nic(bp);
4209
4210 if (rc) {
4211 free_irq(bp->pdev->irq, dev);
4212 if (bp->flags & USING_MSI_FLAG) {
4213 pci_disable_msi(bp->pdev);
4214 bp->flags &= ~USING_MSI_FLAG;
4215 }
4216 bnx2_free_skbs(bp);
4217 bnx2_free_mem(bp);
4218 return rc;
4219 }
4220
cd339a0e 4221 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 4222
4223 atomic_set(&bp->intr_sem, 0);
4224
4225 bnx2_enable_int(bp);
4226
4227 if (bp->flags & USING_MSI_FLAG) {
4228 /* Test MSI to make sure it is working
4229 * If MSI test fails, go back to INTx mode
4230 */
4231 if (bnx2_test_intr(bp) != 0) {
4232 printk(KERN_WARNING PFX "%s: No interrupt was generated"
4233 " using MSI, switching to INTx mode. Please"
4234 " report this failure to the PCI maintainer"
4235 " and include system chipset information.\n",
4236 bp->dev->name);
4237
4238 bnx2_disable_int(bp);
4239 free_irq(bp->pdev->irq, dev);
4240 pci_disable_msi(bp->pdev);
4241 bp->flags &= ~USING_MSI_FLAG;
4242
4243 rc = bnx2_init_nic(bp);
4244
4245 if (!rc) {
4246 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4247 SA_SHIRQ, dev->name, dev);
4248 }
4249 if (rc) {
4250 bnx2_free_skbs(bp);
4251 bnx2_free_mem(bp);
4252 del_timer_sync(&bp->timer);
4253 return rc;
4254 }
4255 bnx2_enable_int(bp);
4256 }
4257 }
4258 if (bp->flags & USING_MSI_FLAG) {
4259 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
4260 }
4261
4262 netif_start_queue(dev);
4263
4264 return 0;
4265}
4266
4267static void
4268bnx2_reset_task(void *data)
4269{
4270 struct bnx2 *bp = data;
4271
afdc08b9
MC		 4272 if (!netif_running(bp->dev))
4273 return;
4274
4275 bp->in_reset_task = 1;
b6016b76
MC		 4276 bnx2_netif_stop(bp);
4277
4278 bnx2_init_nic(bp);
4279
4280 atomic_set(&bp->intr_sem, 1);
4281 bnx2_netif_start(bp);
afdc08b9 4282 bp->in_reset_task = 0;
b6016b76
MC		 4283}
4284
4285static void
4286bnx2_tx_timeout(struct net_device *dev)
4287{
4288 struct bnx2 *bp = dev->priv;
4289
4290 /* This allows the netif to be shutdown gracefully before resetting */
4291 schedule_work(&bp->reset_task);
4292}
4293
4294#ifdef BCM_VLAN
4295/* Called with rtnl_lock */
4296static void
4297bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
4298{
4299 struct bnx2 *bp = dev->priv;
4300
4301 bnx2_netif_stop(bp);
4302
4303 bp->vlgrp = vlgrp;
4304 bnx2_set_rx_mode(dev);
4305
4306 bnx2_netif_start(bp);
4307}
4308
4309/* Called with rtnl_lock */
4310static void
4311bnx2_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
4312{
4313 struct bnx2 *bp = dev->priv;
4314
4315 bnx2_netif_stop(bp);
4316
4317 if (bp->vlgrp)
4318 bp->vlgrp->vlan_devices[vid] = NULL;
4319 bnx2_set_rx_mode(dev);
4320
4321 bnx2_netif_start(bp);
4322}
4323#endif
4324
4325/* Called with dev->xmit_lock.
4326 * hard_start_xmit is pseudo-lockless - a lock is only required when
4327 * the tx queue is full. This way, we get the benefit of lockless
4328 * operations most of the time without the complexities to handle
4329 * netif_stop_queue/wake_queue race conditions.
4330 */
4331static int
4332bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
4333{
4334 struct bnx2 *bp = dev->priv;
4335 dma_addr_t mapping;
4336 struct tx_bd *txbd;
4337 struct sw_bd *tx_buf;
4338 u32 len, vlan_tag_flags, last_frag, mss;
4339 u16 prod, ring_prod;
4340 int i;
4341
e89bbf10 4342 if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
b6016b76
MC		 4343 netif_stop_queue(dev);
4344 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
4345 dev->name);
4346
4347 return NETDEV_TX_BUSY;
4348 }
4349 len = skb_headlen(skb);
4350 prod = bp->tx_prod;
4351 ring_prod = TX_RING_IDX(prod);
4352
4353 vlan_tag_flags = 0;
4354 if (skb->ip_summed == CHECKSUM_HW) {
4355 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
4356 }
4357
4358 if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
4359 vlan_tag_flags |=
4360 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
4361 }
4362#ifdef BCM_TSO
4363 if ((mss = skb_shinfo(skb)->tso_size) &&
4364 (skb->len > (bp->dev->mtu + ETH_HLEN))) {
4365 u32 tcp_opt_len, ip_tcp_len;
4366
4367 if (skb_header_cloned(skb) &&
4368 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4369 dev_kfree_skb(skb);
4370 return NETDEV_TX_OK;
4371 }
4372
4373 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4374 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
4375
4376 tcp_opt_len = 0;
4377 if (skb->h.th->doff > 5) {
4378 tcp_opt_len = (skb->h.th->doff - 5) << 2;
4379 }
4380 ip_tcp_len = (skb->nh.iph->ihl << 2) + sizeof(struct tcphdr);
4381
4382 skb->nh.iph->check = 0;
4383 skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
4384 skb->h.th->check =
4385 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4386 skb->nh.iph->daddr,
4387 0, IPPROTO_TCP, 0);
4388
4389 if (tcp_opt_len || (skb->nh.iph->ihl > 5)) {
4390 vlan_tag_flags |= ((skb->nh.iph->ihl - 5) +
4391 (tcp_opt_len >> 2)) << 8;
4392 }
4393 }
4394 else
4395#endif
4396 {
4397 mss = 0;
4398 }
4399
4400 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4401
4402 tx_buf = &bp->tx_buf_ring[ring_prod];
4403 tx_buf->skb = skb;
4404 pci_unmap_addr_set(tx_buf, mapping, mapping);
4405
4406 txbd = &bp->tx_desc_ring[ring_prod];
4407
4408 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4409 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4410 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4411 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
4412
4413 last_frag = skb_shinfo(skb)->nr_frags;
4414
4415 for (i = 0; i < last_frag; i++) {
4416 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4417
4418 prod = NEXT_TX_BD(prod);
4419 ring_prod = TX_RING_IDX(prod);
4420 txbd = &bp->tx_desc_ring[ring_prod];
4421
4422 len = frag->size;
4423 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
4424 len, PCI_DMA_TODEVICE);
4425 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
4426 mapping, mapping);
4427
4428 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4429 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4430 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4431 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
4432
4433 }
4434 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
4435
4436 prod = NEXT_TX_BD(prod);
4437 bp->tx_prod_bseq += skb->len;
4438
b6016b76
MC		 4439 REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
4440 REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
4441
4442 mmiowb();
4443
4444 bp->tx_prod = prod;
4445 dev->trans_start = jiffies;
4446
e89bbf10 4447 if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
c770a65c 4448 spin_lock(&bp->tx_lock);
e89bbf10
MC		 4449 netif_stop_queue(dev);
4450
4451 if (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)
4452 netif_wake_queue(dev);
c770a65c 4453 spin_unlock(&bp->tx_lock);
b6016b76
MC		 4454 }
4455
4456 return NETDEV_TX_OK;
4457}
4458
4459/* Called with rtnl_lock */
4460static int
4461bnx2_close(struct net_device *dev)
4462{
4463 struct bnx2 *bp = dev->priv;
4464 u32 reset_code;
4465
afdc08b9
MC		 4466 /* Calling flush_scheduled_work() may deadlock because
4467 * linkwatch_event() may be on the workqueue and it will try to get
4468 * the rtnl_lock which we are holding.
4469 */
4470 while (bp->in_reset_task)
4471 msleep(1);
4472
b6016b76
MC		 4473 bnx2_netif_stop(bp);
4474 del_timer_sync(&bp->timer);
dda1e390
MC		 4475 if (bp->flags & NO_WOL_FLAG)
4476 reset_code = BNX2_DRV_MSG_CODE_UNLOAD;
4477 else if (bp->wol)
b6016b76
MC		 4478 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4479 else
4480 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4481 bnx2_reset_chip(bp, reset_code);
4482 free_irq(bp->pdev->irq, dev);
4483 if (bp->flags & USING_MSI_FLAG) {
4484 pci_disable_msi(bp->pdev);
4485 bp->flags &= ~USING_MSI_FLAG;
4486 }
4487 bnx2_free_skbs(bp);
4488 bnx2_free_mem(bp);
4489 bp->link_up = 0;
4490 netif_carrier_off(bp->dev);
829ca9a3 4491 bnx2_set_power_state(bp, PCI_D3hot);
b6016b76
MC		 4492 return 0;
4493}
4494
4495#define GET_NET_STATS64(ctr) \
4496 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
4497 (unsigned long) (ctr##_lo)
4498
4499#define GET_NET_STATS32(ctr) \
4500 (ctr##_lo)
4501
4502#if (BITS_PER_LONG == 64)
4503#define GET_NET_STATS GET_NET_STATS64
4504#else
4505#define GET_NET_STATS GET_NET_STATS32
4506#endif
4507
4508static struct net_device_stats *
4509bnx2_get_stats(struct net_device *dev)
4510{
4511 struct bnx2 *bp = dev->priv;
4512 struct statistics_block *stats_blk = bp->stats_blk;
4513 struct net_device_stats *net_stats = &bp->net_stats;
4514
4515 if (bp->stats_blk == NULL) {
4516 return net_stats;
4517 }
4518 net_stats->rx_packets =
4519 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
4520 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
4521 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
4522
4523 net_stats->tx_packets =
4524 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
4525 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
4526 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
4527
4528 net_stats->rx_bytes =
4529 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
4530
4531 net_stats->tx_bytes =
4532 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
4533
4534 net_stats->multicast =
4535 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
4536
4537 net_stats->collisions =
4538 (unsigned long) stats_blk->stat_EtherStatsCollisions;
4539
4540 net_stats->rx_length_errors =
4541 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
4542 stats_blk->stat_EtherStatsOverrsizePkts);
4543
4544 net_stats->rx_over_errors =
4545 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
4546
4547 net_stats->rx_frame_errors =
4548 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
4549
4550 net_stats->rx_crc_errors =
4551 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
4552
4553 net_stats->rx_errors = net_stats->rx_length_errors +
4554 net_stats->rx_over_errors + net_stats->rx_frame_errors +
4555 net_stats->rx_crc_errors;
4556
4557 net_stats->tx_aborted_errors =
4558 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
4559 stats_blk->stat_Dot3StatsLateCollisions);
4560
5b0c76ad
MC		 4561 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
4562 (CHIP_ID(bp) == CHIP_ID_5708_A0))
b6016b76
MC		 4563 net_stats->tx_carrier_errors = 0;
4564 else {
4565 net_stats->tx_carrier_errors =
4566 (unsigned long)
4567 stats_blk->stat_Dot3StatsCarrierSenseErrors;
4568 }
4569
4570 net_stats->tx_errors =
4571 (unsigned long)
4572 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
4573 +
4574 net_stats->tx_aborted_errors +
4575 net_stats->tx_carrier_errors;
4576
4577 return net_stats;
4578}
4579
4580/* All ethtool functions called with rtnl_lock */
4581
4582static int
4583bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4584{
4585 struct bnx2 *bp = dev->priv;
4586
4587 cmd->supported = SUPPORTED_Autoneg;
4588 if (bp->phy_flags & PHY_SERDES_FLAG) {
4589 cmd->supported |= SUPPORTED_1000baseT_Full |
4590 SUPPORTED_FIBRE;
4591
4592 cmd->port = PORT_FIBRE;
4593 }
4594 else {
4595 cmd->supported |= SUPPORTED_10baseT_Half |
4596 SUPPORTED_10baseT_Full |
4597 SUPPORTED_100baseT_Half |
4598 SUPPORTED_100baseT_Full |
4599 SUPPORTED_1000baseT_Full |
4600 SUPPORTED_TP;
4601
4602 cmd->port = PORT_TP;
4603 }
4604
4605 cmd->advertising = bp->advertising;
4606
4607 if (bp->autoneg & AUTONEG_SPEED) {
4608 cmd->autoneg = AUTONEG_ENABLE;
4609 }
4610 else {
4611 cmd->autoneg = AUTONEG_DISABLE;
4612 }
4613
4614 if (netif_carrier_ok(dev)) {
4615 cmd->speed = bp->line_speed;
4616 cmd->duplex = bp->duplex;
4617 }
4618 else {
4619 cmd->speed = -1;
4620 cmd->duplex = -1;
4621 }
4622
4623 cmd->transceiver = XCVR_INTERNAL;
4624 cmd->phy_address = bp->phy_addr;
4625
4626 return 0;
4627}
4628
4629static int
4630bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4631{
4632 struct bnx2 *bp = dev->priv;
4633 u8 autoneg = bp->autoneg;
4634 u8 req_duplex = bp->req_duplex;
4635 u16 req_line_speed = bp->req_line_speed;
4636 u32 advertising = bp->advertising;
4637
4638 if (cmd->autoneg == AUTONEG_ENABLE) {
4639 autoneg |= AUTONEG_SPEED;
4640
4641 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
4642
4643 /* allow advertising 1 speed */
4644 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
4645 (cmd->advertising == ADVERTISED_10baseT_Full) ||
4646 (cmd->advertising == ADVERTISED_100baseT_Half) ||
4647 (cmd->advertising == ADVERTISED_100baseT_Full)) {
4648
4649 if (bp->phy_flags & PHY_SERDES_FLAG)
4650 return -EINVAL;
4651
4652 advertising = cmd->advertising;
4653
4654 }
4655 else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
4656 advertising = cmd->advertising;
4657 }
4658 else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
4659 return -EINVAL;
4660 }
4661 else {
4662 if (bp->phy_flags & PHY_SERDES_FLAG) {
4663 advertising = ETHTOOL_ALL_FIBRE_SPEED;
4664 }
4665 else {
4666 advertising = ETHTOOL_ALL_COPPER_SPEED;
4667 }
4668 }
4669 advertising |= ADVERTISED_Autoneg;
4670 }
4671 else {
4672 if (bp->phy_flags & PHY_SERDES_FLAG) {
4673 if ((cmd->speed != SPEED_1000) ||
4674 (cmd->duplex != DUPLEX_FULL)) {
4675 return -EINVAL;
4676 }
4677 }
4678 else if (cmd->speed == SPEED_1000) {
4679 return -EINVAL;
4680 }
4681 autoneg &= ~AUTONEG_SPEED;
4682 req_line_speed = cmd->speed;
4683 req_duplex = cmd->duplex;
4684 advertising = 0;
4685 }
4686
4687 bp->autoneg = autoneg;
4688 bp->advertising = advertising;
4689 bp->req_line_speed = req_line_speed;
4690 bp->req_duplex = req_duplex;
4691
c770a65c 4692 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 4693
4694 bnx2_setup_phy(bp);
4695
c770a65c 4696 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 4697
4698 return 0;
4699}
4700
4701static void
4702bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
4703{
4704 struct bnx2 *bp = dev->priv;
4705
4706 strcpy(info->driver, DRV_MODULE_NAME);
4707 strcpy(info->version, DRV_MODULE_VERSION);
4708 strcpy(info->bus_info, pci_name(bp->pdev));
4709 info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
4710 info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
4711 info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
4712 info->fw_version[6] = (bp->fw_ver & 0xff) + '0';
4713 info->fw_version[1] = info->fw_version[3] = info->fw_version[5] = '.';
4714 info->fw_version[7] = 0;
4715}
4716
4717static void
4718bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4719{
4720 struct bnx2 *bp = dev->priv;
4721
4722 if (bp->flags & NO_WOL_FLAG) {
4723 wol->supported = 0;
4724 wol->wolopts = 0;
4725 }
4726 else {
4727 wol->supported = WAKE_MAGIC;
4728 if (bp->wol)
4729 wol->wolopts = WAKE_MAGIC;
4730 else
4731 wol->wolopts = 0;
4732 }
4733 memset(&wol->sopass, 0, sizeof(wol->sopass));
4734}
4735
4736static int
4737bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4738{
4739 struct bnx2 *bp = dev->priv;
4740
4741 if (wol->wolopts & ~WAKE_MAGIC)
4742 return -EINVAL;
4743
4744 if (wol->wolopts & WAKE_MAGIC) {
4745 if (bp->flags & NO_WOL_FLAG)
4746 return -EINVAL;
4747
4748 bp->wol = 1;
4749 }
4750 else {
4751 bp->wol = 0;
4752 }
4753 return 0;
4754}
4755
4756static int
4757bnx2_nway_reset(struct net_device *dev)
4758{
4759 struct bnx2 *bp = dev->priv;
4760 u32 bmcr;
4761
4762 if (!(bp->autoneg & AUTONEG_SPEED)) {
4763 return -EINVAL;
4764 }
4765
c770a65c 4766 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 4767
4768 /* Force a link down visible on the other side */
4769 if (bp->phy_flags & PHY_SERDES_FLAG) {
4770 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
c770a65c 4771 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 4772
4773 msleep(20);
4774
c770a65c 4775 spin_lock_bh(&bp->phy_lock);
b6016b76 4776 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
cd339a0e
MC		 4777 bp->current_interval = SERDES_AN_TIMEOUT;
4778 bp->serdes_an_pending = 1;
4779 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 4780 }
4781 }
4782
4783 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4784 bmcr &= ~BMCR_LOOPBACK;
4785 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
4786
c770a65c 4787 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 4788
4789 return 0;
4790}
4791
4792static int
4793bnx2_get_eeprom_len(struct net_device *dev)
4794{
4795 struct bnx2 *bp = dev->priv;
4796
4797 if (bp->flash_info == 0)
4798 return 0;
4799
4800 return (int) bp->flash_info->total_size;
4801}
4802
4803static int
4804bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4805 u8 *eebuf)
4806{
4807 struct bnx2 *bp = dev->priv;
4808 int rc;
4809
1064e944 4810 /* parameters already validated in ethtool_get_eeprom */
b6016b76
MC		 4811
4812 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
4813
4814 return rc;
4815}
4816
4817static int
4818bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4819 u8 *eebuf)
4820{
4821 struct bnx2 *bp = dev->priv;
4822 int rc;
4823
1064e944 4824 /* parameters already validated in ethtool_set_eeprom */
b6016b76
MC		 4825
4826 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
4827
4828 return rc;
4829}
4830
4831static int
4832bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4833{
4834 struct bnx2 *bp = dev->priv;
4835
4836 memset(coal, 0, sizeof(struct ethtool_coalesce));
4837
4838 coal->rx_coalesce_usecs = bp->rx_ticks;
4839 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
4840 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
4841 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
4842
4843 coal->tx_coalesce_usecs = bp->tx_ticks;
4844 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
4845 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
4846 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
4847
4848 coal->stats_block_coalesce_usecs = bp->stats_ticks;
4849
4850 return 0;
4851}
4852
4853static int
4854bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4855{
4856 struct bnx2 *bp = dev->priv;
4857
4858 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
4859 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
4860
4861 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
4862 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
4863
4864 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
4865 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
4866
4867 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
4868 if (bp->rx_quick_cons_trip_int > 0xff)
4869 bp->rx_quick_cons_trip_int = 0xff;
4870
4871 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
4872 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
4873
4874 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
4875 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
4876
4877 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
4878 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
4879
4880 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
4881 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
4882 0xff;
4883
4884 bp->stats_ticks = coal->stats_block_coalesce_usecs;
4885 if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
4886 bp->stats_ticks &= 0xffff00;
4887
4888 if (netif_running(bp->dev)) {
4889 bnx2_netif_stop(bp);
4890 bnx2_init_nic(bp);
4891 bnx2_netif_start(bp);
4892 }
4893
4894 return 0;
4895}
4896
4897static void
4898bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4899{
4900 struct bnx2 *bp = dev->priv;
4901
4902 ering->rx_max_pending = MAX_RX_DESC_CNT;
4903 ering->rx_mini_max_pending = 0;
4904 ering->rx_jumbo_max_pending = 0;
4905
4906 ering->rx_pending = bp->rx_ring_size;
4907 ering->rx_mini_pending = 0;
4908 ering->rx_jumbo_pending = 0;
4909
4910 ering->tx_max_pending = MAX_TX_DESC_CNT;
4911 ering->tx_pending = bp->tx_ring_size;
4912}
4913
4914static int
4915bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4916{
4917 struct bnx2 *bp = dev->priv;
4918
4919 if ((ering->rx_pending > MAX_RX_DESC_CNT) ||
4920 (ering->tx_pending > MAX_TX_DESC_CNT) ||
4921 (ering->tx_pending <= MAX_SKB_FRAGS)) {
4922
4923 return -EINVAL;
4924 }
4925 bp->rx_ring_size = ering->rx_pending;
4926 bp->tx_ring_size = ering->tx_pending;
4927
4928 if (netif_running(bp->dev)) {
4929 bnx2_netif_stop(bp);
4930 bnx2_init_nic(bp);
4931 bnx2_netif_start(bp);
4932 }
4933
4934 return 0;
4935}
4936
4937static void
4938bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4939{
4940 struct bnx2 *bp = dev->priv;
4941
4942 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
4943 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
4944 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
4945}
4946
4947static int
4948bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4949{
4950 struct bnx2 *bp = dev->priv;
4951
4952 bp->req_flow_ctrl = 0;
4953 if (epause->rx_pause)
4954 bp->req_flow_ctrl |= FLOW_CTRL_RX;
4955 if (epause->tx_pause)
4956 bp->req_flow_ctrl |= FLOW_CTRL_TX;
4957
4958 if (epause->autoneg) {
4959 bp->autoneg |= AUTONEG_FLOW_CTRL;
4960 }
4961 else {
4962 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
4963 }
4964
c770a65c 4965 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 4966
4967 bnx2_setup_phy(bp);
4968
c770a65c 4969 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 4970
4971 return 0;
4972}
4973
4974static u32
4975bnx2_get_rx_csum(struct net_device *dev)
4976{
4977 struct bnx2 *bp = dev->priv;
4978
4979 return bp->rx_csum;
4980}
4981
4982static int
4983bnx2_set_rx_csum(struct net_device *dev, u32 data)
4984{
4985 struct bnx2 *bp = dev->priv;
4986
4987 bp->rx_csum = data;
4988 return 0;
4989}
4990
4991#define BNX2_NUM_STATS 45
4992
14ab9b86 4993static struct {
b6016b76
MC		 4994 char string[ETH_GSTRING_LEN];
4995} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
4996 { "rx_bytes" },
4997 { "rx_error_bytes" },
4998 { "tx_bytes" },
4999 { "tx_error_bytes" },
5000 { "rx_ucast_packets" },
5001 { "rx_mcast_packets" },
5002 { "rx_bcast_packets" },
5003 { "tx_ucast_packets" },
5004 { "tx_mcast_packets" },
5005 { "tx_bcast_packets" },
5006 { "tx_mac_errors" },
5007 { "tx_carrier_errors" },
5008 { "rx_crc_errors" },
5009 { "rx_align_errors" },
5010 { "tx_single_collisions" },
5011 { "tx_multi_collisions" },
5012 { "tx_deferred" },
5013 { "tx_excess_collisions" },
5014 { "tx_late_collisions" },
5015 { "tx_total_collisions" },
5016 { "rx_fragments" },
5017 { "rx_jabbers" },
5018 { "rx_undersize_packets" },
5019 { "rx_oversize_packets" },
5020 { "rx_64_byte_packets" },
5021 { "rx_65_to_127_byte_packets" },
5022 { "rx_128_to_255_byte_packets" },
5023 { "rx_256_to_511_byte_packets" },
5024 { "rx_512_to_1023_byte_packets" },
5025 { "rx_1024_to_1522_byte_packets" },
5026 { "rx_1523_to_9022_byte_packets" },
5027 { "tx_64_byte_packets" },
5028 { "tx_65_to_127_byte_packets" },
5029 { "tx_128_to_255_byte_packets" },
5030 { "tx_256_to_511_byte_packets" },
5031 { "tx_512_to_1023_byte_packets" },
5032 { "tx_1024_to_1522_byte_packets" },
5033 { "tx_1523_to_9022_byte_packets" },
5034 { "rx_xon_frames" },
5035 { "rx_xoff_frames" },
5036 { "tx_xon_frames" },
5037 { "tx_xoff_frames" },
5038 { "rx_mac_ctrl_frames" },
5039 { "rx_filtered_packets" },
5040 { "rx_discards" },
5041};
5042
5043#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
5044
14ab9b86 5045static unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
b6016b76
MC		 5046 STATS_OFFSET32(stat_IfHCInOctets_hi),
5047 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
5048 STATS_OFFSET32(stat_IfHCOutOctets_hi),
5049 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
5050 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
5051 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
5052 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
5053 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
5054 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
5055 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
5056 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
5057 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
5058 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
5059 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
5060 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
5061 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
5062 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
5063 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
5064 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
5065 STATS_OFFSET32(stat_EtherStatsCollisions),
5066 STATS_OFFSET32(stat_EtherStatsFragments),
5067 STATS_OFFSET32(stat_EtherStatsJabbers),
5068 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
5069 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
5070 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
5071 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
5072 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
5073 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
5074 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
5075 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
5076 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
5077 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
5078 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
5079 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
5080 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
5081 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
5082 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
5083 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
5084 STATS_OFFSET32(stat_XonPauseFramesReceived),
5085 STATS_OFFSET32(stat_XoffPauseFramesReceived),
5086 STATS_OFFSET32(stat_OutXonSent),
5087 STATS_OFFSET32(stat_OutXoffSent),
5088 STATS_OFFSET32(stat_MacControlFramesReceived),
5089 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
5090 STATS_OFFSET32(stat_IfInMBUFDiscards),
5091};
5092
5093/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
5094 * skipped because of errata.
5095 */
14ab9b86 5096static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
b6016b76
MC		 5097 8,0,8,8,8,8,8,8,8,8,
5098 4,0,4,4,4,4,4,4,4,4,
5099 4,4,4,4,4,4,4,4,4,4,
5100 4,4,4,4,4,4,4,4,4,4,
5101 4,4,4,4,4,
5102};
5103
5b0c76ad
MC		 5104static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
5105 8,0,8,8,8,8,8,8,8,8,
5106 4,4,4,4,4,4,4,4,4,4,
5107 4,4,4,4,4,4,4,4,4,4,
5108 4,4,4,4,4,4,4,4,4,4,
5109 4,4,4,4,4,
5110};
5111
b6016b76
MC		 5112#define BNX2_NUM_TESTS 6
5113
14ab9b86 5114static struct {
b6016b76
MC		 5115 char string[ETH_GSTRING_LEN];
5116} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
5117 { "register_test (offline)" },
5118 { "memory_test (offline)" },
5119 { "loopback_test (offline)" },
5120 { "nvram_test (online)" },
5121 { "interrupt_test (online)" },
5122 { "link_test (online)" },
5123};
5124
5125static int
5126bnx2_self_test_count(struct net_device *dev)
5127{
5128 return BNX2_NUM_TESTS;
5129}
5130
5131static void
5132bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
5133{
5134 struct bnx2 *bp = dev->priv;
5135
5136 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
5137 if (etest->flags & ETH_TEST_FL_OFFLINE) {
5138 bnx2_netif_stop(bp);
5139 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
5140 bnx2_free_skbs(bp);
5141
5142 if (bnx2_test_registers(bp) != 0) {
5143 buf[0] = 1;
5144 etest->flags |= ETH_TEST_FL_FAILED;
5145 }
5146 if (bnx2_test_memory(bp) != 0) {
5147 buf[1] = 1;
5148 etest->flags |= ETH_TEST_FL_FAILED;
5149 }
5150 if (bnx2_test_loopback(bp) != 0) {
5151 buf[2] = 1;
5152 etest->flags |= ETH_TEST_FL_FAILED;
5153 }
5154
5155 if (!netif_running(bp->dev)) {
5156 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
5157 }
5158 else {
5159 bnx2_init_nic(bp);
5160 bnx2_netif_start(bp);
5161 }
5162
5163 /* wait for link up */
5164 msleep_interruptible(3000);
5165 if ((!bp->link_up) && !(bp->phy_flags & PHY_SERDES_FLAG))
5166 msleep_interruptible(4000);
5167 }
5168
5169 if (bnx2_test_nvram(bp) != 0) {
5170 buf[3] = 1;
5171 etest->flags |= ETH_TEST_FL_FAILED;
5172 }
5173 if (bnx2_test_intr(bp) != 0) {
5174 buf[4] = 1;
5175 etest->flags |= ETH_TEST_FL_FAILED;
5176 }
5177
5178 if (bnx2_test_link(bp) != 0) {
5179 buf[5] = 1;
5180 etest->flags |= ETH_TEST_FL_FAILED;
5181
5182 }
5183}
5184
5185static void
5186bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
5187{
5188 switch (stringset) {
5189 case ETH_SS_STATS:
5190 memcpy(buf, bnx2_stats_str_arr,
5191 sizeof(bnx2_stats_str_arr));
5192 break;
5193 case ETH_SS_TEST:
5194 memcpy(buf, bnx2_tests_str_arr,
5195 sizeof(bnx2_tests_str_arr));
5196 break;
5197 }
5198}
5199
5200static int
5201bnx2_get_stats_count(struct net_device *dev)
5202{
5203 return BNX2_NUM_STATS;
5204}
5205
5206static void
5207bnx2_get_ethtool_stats(struct net_device *dev,
5208 struct ethtool_stats *stats, u64 *buf)
5209{
5210 struct bnx2 *bp = dev->priv;
5211 int i;
5212 u32 *hw_stats = (u32 *) bp->stats_blk;
14ab9b86 5213 u8 *stats_len_arr = NULL;
b6016b76
MC		 5214
5215 if (hw_stats == NULL) {
5216 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
5217 return;
5218 }
5219
5b0c76ad
MC		 5220 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
5221 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
5222 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
5223 (CHIP_ID(bp) == CHIP_ID_5708_A0))
b6016b76 5224 stats_len_arr = bnx2_5706_stats_len_arr;
5b0c76ad
MC		 5225 else
5226 stats_len_arr = bnx2_5708_stats_len_arr;
b6016b76
MC		 5227
5228 for (i = 0; i < BNX2_NUM_STATS; i++) {
5229 if (stats_len_arr[i] == 0) {
5230 /* skip this counter */
5231 buf[i] = 0;
5232 continue;
5233 }
5234 if (stats_len_arr[i] == 4) {
5235 /* 4-byte counter */
5236 buf[i] = (u64)
5237 *(hw_stats + bnx2_stats_offset_arr[i]);
5238 continue;
5239 }
5240 /* 8-byte counter */
5241 buf[i] = (((u64) *(hw_stats +
5242 bnx2_stats_offset_arr[i])) << 32) +
5243 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
5244 }
5245}
5246
5247static int
5248bnx2_phys_id(struct net_device *dev, u32 data)
5249{
5250 struct bnx2 *bp = dev->priv;
5251 int i;
5252 u32 save;
5253
5254 if (data == 0)
5255 data = 2;
5256
5257 save = REG_RD(bp, BNX2_MISC_CFG);
5258 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
5259
5260 for (i = 0; i < (data * 2); i++) {
5261 if ((i % 2) == 0) {
5262 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
5263 }
5264 else {
5265 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
5266 BNX2_EMAC_LED_1000MB_OVERRIDE |
5267 BNX2_EMAC_LED_100MB_OVERRIDE |
5268 BNX2_EMAC_LED_10MB_OVERRIDE |
5269 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
5270 BNX2_EMAC_LED_TRAFFIC);
5271 }
5272 msleep_interruptible(500);
5273 if (signal_pending(current))
5274 break;
5275 }
5276 REG_WR(bp, BNX2_EMAC_LED, 0);
5277 REG_WR(bp, BNX2_MISC_CFG, save);
5278 return 0;
5279}
5280
5281static struct ethtool_ops bnx2_ethtool_ops = {
5282 .get_settings = bnx2_get_settings,
5283 .set_settings = bnx2_set_settings,
5284 .get_drvinfo = bnx2_get_drvinfo,
5285 .get_wol = bnx2_get_wol,
5286 .set_wol = bnx2_set_wol,
5287 .nway_reset = bnx2_nway_reset,
5288 .get_link = ethtool_op_get_link,
5289 .get_eeprom_len = bnx2_get_eeprom_len,
5290 .get_eeprom = bnx2_get_eeprom,
5291 .set_eeprom = bnx2_set_eeprom,
5292 .get_coalesce = bnx2_get_coalesce,
5293 .set_coalesce = bnx2_set_coalesce,
5294 .get_ringparam = bnx2_get_ringparam,
5295 .set_ringparam = bnx2_set_ringparam,
5296 .get_pauseparam = bnx2_get_pauseparam,
5297 .set_pauseparam = bnx2_set_pauseparam,
5298 .get_rx_csum = bnx2_get_rx_csum,
5299 .set_rx_csum = bnx2_set_rx_csum,
5300 .get_tx_csum = ethtool_op_get_tx_csum,
5301 .set_tx_csum = ethtool_op_set_tx_csum,
5302 .get_sg = ethtool_op_get_sg,
5303 .set_sg = ethtool_op_set_sg,
5304#ifdef BCM_TSO
5305 .get_tso = ethtool_op_get_tso,
5306 .set_tso = ethtool_op_set_tso,
5307#endif
5308 .self_test_count = bnx2_self_test_count,
5309 .self_test = bnx2_self_test,
5310 .get_strings = bnx2_get_strings,
5311 .phys_id = bnx2_phys_id,
5312 .get_stats_count = bnx2_get_stats_count,
5313 .get_ethtool_stats = bnx2_get_ethtool_stats,
24b8e05d 5314 .get_perm_addr = ethtool_op_get_perm_addr,
b6016b76
MC		 5315};
5316
5317/* Called with rtnl_lock */
5318static int
5319bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
5320{
14ab9b86 5321 struct mii_ioctl_data *data = if_mii(ifr);
b6016b76
MC		 5322 struct bnx2 *bp = dev->priv;
5323 int err;
5324
5325 switch(cmd) {
5326 case SIOCGMIIPHY:
5327 data->phy_id = bp->phy_addr;
5328
5329 /* fallthru */
5330 case SIOCGMIIREG: {
5331 u32 mii_regval;
5332
c770a65c 5333 spin_lock_bh(&bp->phy_lock);
b6016b76 5334 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
c770a65c 5335 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 5336
5337 data->val_out = mii_regval;
5338
5339 return err;
5340 }
5341
5342 case SIOCSMIIREG:
5343 if (!capable(CAP_NET_ADMIN))
5344 return -EPERM;
5345
c770a65c 5346 spin_lock_bh(&bp->phy_lock);
b6016b76 5347 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
c770a65c 5348 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 5349
5350 return err;
5351
5352 default:
5353 /* do nothing */
5354 break;
5355 }
5356 return -EOPNOTSUPP;
5357}
5358
5359/* Called with rtnl_lock */
5360static int
5361bnx2_change_mac_addr(struct net_device *dev, void *p)
5362{
5363 struct sockaddr *addr = p;
5364 struct bnx2 *bp = dev->priv;
5365
73eef4cd
MC		 5366 if (!is_valid_ether_addr(addr->sa_data))
5367 return -EINVAL;
5368
b6016b76
MC		 5369 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5370 if (netif_running(dev))
5371 bnx2_set_mac_addr(bp);
5372
5373 return 0;
5374}
5375
5376/* Called with rtnl_lock */
5377static int
5378bnx2_change_mtu(struct net_device *dev, int new_mtu)
5379{
5380 struct bnx2 *bp = dev->priv;
5381
5382 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
5383 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
5384 return -EINVAL;
5385
5386 dev->mtu = new_mtu;
5387 if (netif_running(dev)) {
5388 bnx2_netif_stop(bp);
5389
5390 bnx2_init_nic(bp);
5391
5392 bnx2_netif_start(bp);
5393 }
5394 return 0;
5395}
5396
5397#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5398static void
5399poll_bnx2(struct net_device *dev)
5400{
5401 struct bnx2 *bp = dev->priv;
5402
5403 disable_irq(bp->pdev->irq);
5404 bnx2_interrupt(bp->pdev->irq, dev, NULL);
5405 enable_irq(bp->pdev->irq);
5406}
5407#endif
5408
5409static int __devinit
5410bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
5411{
5412 struct bnx2 *bp;
5413 unsigned long mem_len;
5414 int rc;
5415 u32 reg;
5416
5417 SET_MODULE_OWNER(dev);
5418 SET_NETDEV_DEV(dev, &pdev->dev);
5419 bp = dev->priv;
5420
5421 bp->flags = 0;
5422 bp->phy_flags = 0;
5423
5424 /* enable device (incl. PCI PM wakeup), and bus-mastering */
5425 rc = pci_enable_device(pdev);
5426 if (rc) {
5427 printk(KERN_ERR PFX "Cannot enable PCI device, aborting.");
5428 goto err_out;
5429 }
5430
5431 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
5432 printk(KERN_ERR PFX "Cannot find PCI device base address, "
5433 "aborting.\n");
5434 rc = -ENODEV;
5435 goto err_out_disable;
5436 }
5437
5438 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
5439 if (rc) {
5440 printk(KERN_ERR PFX "Cannot obtain PCI resources, aborting.\n");
5441 goto err_out_disable;
5442 }
5443
5444 pci_set_master(pdev);
5445
5446 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
5447 if (bp->pm_cap == 0) {
5448 printk(KERN_ERR PFX "Cannot find power management capability, "
5449 "aborting.\n");
5450 rc = -EIO;
5451 goto err_out_release;
5452 }
5453
5454 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
5455 if (bp->pcix_cap == 0) {
5456 printk(KERN_ERR PFX "Cannot find PCIX capability, aborting.\n");
5457 rc = -EIO;
5458 goto err_out_release;
5459 }
5460
5461 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
5462 bp->flags |= USING_DAC_FLAG;
5463 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
5464 printk(KERN_ERR PFX "pci_set_consistent_dma_mask "
5465 "failed, aborting.\n");
5466 rc = -EIO;
5467 goto err_out_release;
5468 }
5469 }
5470 else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
5471 printk(KERN_ERR PFX "System does not support DMA, aborting.\n");
5472 rc = -EIO;
5473 goto err_out_release;
5474 }
5475
5476 bp->dev = dev;
5477 bp->pdev = pdev;
5478
5479 spin_lock_init(&bp->phy_lock);
5480 spin_lock_init(&bp->tx_lock);
5481 INIT_WORK(&bp->reset_task, bnx2_reset_task, bp);
5482
5483 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
5484 mem_len = MB_GET_CID_ADDR(17);
5485 dev->mem_end = dev->mem_start + mem_len;
5486 dev->irq = pdev->irq;
5487
5488 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
5489
5490 if (!bp->regview) {
5491 printk(KERN_ERR PFX "Cannot map register space, aborting.\n");
5492 rc = -ENOMEM;
5493 goto err_out_release;
5494 }
5495
5496 /* Configure byte swap and enable write to the reg_window registers.
5497 * Rely on CPU to do target byte swapping on big endian systems
5498 * The chip's target access swapping will not swap all accesses
5499 */
5500 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
5501 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
5502 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
5503
829ca9a3 5504 bnx2_set_power_state(bp, PCI_D0);
b6016b76
MC		 5505
5506 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
5507
b6016b76
MC		 5508 /* Get bus information. */
5509 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
5510 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
5511 u32 clkreg;
5512
5513 bp->flags |= PCIX_FLAG;
5514
5515 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
5516
5517 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
5518 switch (clkreg) {
5519 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
5520 bp->bus_speed_mhz = 133;
5521 break;
5522
5523 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
5524 bp->bus_speed_mhz = 100;
5525 break;
5526
5527 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
5528 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
5529 bp->bus_speed_mhz = 66;
5530 break;
5531
5532 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
5533 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
5534 bp->bus_speed_mhz = 50;
5535 break;
5536
5537 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
5538 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
5539 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
5540 bp->bus_speed_mhz = 33;
5541 break;
5542 }
5543 }
5544 else {
5545 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
5546 bp->bus_speed_mhz = 66;
5547 else
5548 bp->bus_speed_mhz = 33;
5549 }
5550
5551 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
5552 bp->flags |= PCI_32BIT_FLAG;
5553
5554 /* 5706A0 may falsely detect SERR and PERR. */
5555 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5556 reg = REG_RD(bp, PCI_COMMAND);
5557 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
5558 REG_WR(bp, PCI_COMMAND, reg);
5559 }
5560 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
5561 !(bp->flags & PCIX_FLAG)) {
5562
5563 printk(KERN_ERR PFX "5706 A1 can only be used in a PCIX bus, "
5564 "aborting.\n");
5565 goto err_out_unmap;
5566 }
5567
5568 bnx2_init_nvram(bp);
5569
e3648b3d
MC		 5570 reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);
5571
5572 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
5573 BNX2_SHM_HDR_SIGNATURE_SIG)
5574 bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0);
5575 else
5576 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
5577
b6016b76
MC		 5578 /* Get the permanent MAC address. First we need to make sure the
5579 * firmware is actually running.
5580 */
e3648b3d 5581 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
b6016b76
MC		 5582
5583 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
5584 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
5585 printk(KERN_ERR PFX "Firmware not running, aborting.\n");
5586 rc = -ENODEV;
5587 goto err_out_unmap;
5588 }
5589
e3648b3d 5590 bp->fw_ver = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
b6016b76 5591
e3648b3d 5592 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
b6016b76
MC		 5593 bp->mac_addr[0] = (u8) (reg >> 8);
5594 bp->mac_addr[1] = (u8) reg;
5595
e3648b3d 5596 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
b6016b76
MC		 5597 bp->mac_addr[2] = (u8) (reg >> 24);
5598 bp->mac_addr[3] = (u8) (reg >> 16);
5599 bp->mac_addr[4] = (u8) (reg >> 8);
5600 bp->mac_addr[5] = (u8) reg;
5601
5602 bp->tx_ring_size = MAX_TX_DESC_CNT;
5603 bp->rx_ring_size = 100;
5604
5605 bp->rx_csum = 1;
5606
5607 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
5608
5609 bp->tx_quick_cons_trip_int = 20;
5610 bp->tx_quick_cons_trip = 20;
5611 bp->tx_ticks_int = 80;
5612 bp->tx_ticks = 80;
5613
5614 bp->rx_quick_cons_trip_int = 6;
5615 bp->rx_quick_cons_trip = 6;
5616 bp->rx_ticks_int = 18;
5617 bp->rx_ticks = 18;
5618
5619 bp->stats_ticks = 1000000 & 0xffff00;
5620
5621 bp->timer_interval = HZ;
cd339a0e 5622 bp->current_interval = HZ;
b6016b76 5623
5b0c76ad
MC		 5624 bp->phy_addr = 1;
5625
b6016b76
MC		 5626 /* Disable WOL support if we are running on a SERDES chip. */
5627 if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) {
5628 bp->phy_flags |= PHY_SERDES_FLAG;
5629 bp->flags |= NO_WOL_FLAG;
5b0c76ad
MC		 5630 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
5631 bp->phy_addr = 2;
e3648b3d 5632 reg = REG_RD_IND(bp, bp->shmem_base +
5b0c76ad
MC		 5633 BNX2_SHARED_HW_CFG_CONFIG);
5634 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
5635 bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
5636 }
b6016b76
MC		 5637 }
5638
dda1e390
MC		 5639 if (CHIP_NUM(bp) == CHIP_NUM_5708)
5640 bp->flags |= NO_WOL_FLAG;
5641
b6016b76
MC		 5642 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5643 bp->tx_quick_cons_trip_int =
5644 bp->tx_quick_cons_trip;
5645 bp->tx_ticks_int = bp->tx_ticks;
5646 bp->rx_quick_cons_trip_int =
5647 bp->rx_quick_cons_trip;
5648 bp->rx_ticks_int = bp->rx_ticks;
5649 bp->comp_prod_trip_int = bp->comp_prod_trip;
5650 bp->com_ticks_int = bp->com_ticks;
5651 bp->cmd_ticks_int = bp->cmd_ticks;
5652 }
5653
5654 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
5655 bp->req_line_speed = 0;
5656 if (bp->phy_flags & PHY_SERDES_FLAG) {
5657 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
cd339a0e 5658
e3648b3d 5659 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
cd339a0e
MC		 5660 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
5661 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
5662 bp->autoneg = 0;
5663 bp->req_line_speed = bp->line_speed = SPEED_1000;
5664 bp->req_duplex = DUPLEX_FULL;
5665 }
b6016b76
MC		 5666 }
5667 else {
5668 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
5669 }
5670
5671 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
5672
cd339a0e
MC		 5673 init_timer(&bp->timer);
5674 bp->timer.expires = RUN_AT(bp->timer_interval);
5675 bp->timer.data = (unsigned long) bp;
5676 bp->timer.function = bnx2_timer;
5677
b6016b76
MC		 5678 return 0;
5679
5680err_out_unmap:
5681 if (bp->regview) {
5682 iounmap(bp->regview);
73eef4cd 5683 bp->regview = NULL;
b6016b76
MC		 5684 }
5685
5686err_out_release:
5687 pci_release_regions(pdev);
5688
5689err_out_disable:
5690 pci_disable_device(pdev);
5691 pci_set_drvdata(pdev, NULL);
5692
5693err_out:
5694 return rc;
5695}
5696
5697static int __devinit
5698bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
5699{
5700 static int version_printed = 0;
5701 struct net_device *dev = NULL;
5702 struct bnx2 *bp;
5703 int rc, i;
5704
5705 if (version_printed++ == 0)
5706 printk(KERN_INFO "%s", version);
5707
5708 /* dev zeroed in init_etherdev */
5709 dev = alloc_etherdev(sizeof(*bp));
5710
5711 if (!dev)
5712 return -ENOMEM;
5713
5714 rc = bnx2_init_board(pdev, dev);
5715 if (rc < 0) {
5716 free_netdev(dev);
5717 return rc;
5718 }
5719
5720 dev->open = bnx2_open;
5721 dev->hard_start_xmit = bnx2_start_xmit;
5722 dev->stop = bnx2_close;
5723 dev->get_stats = bnx2_get_stats;
5724 dev->set_multicast_list = bnx2_set_rx_mode;
5725 dev->do_ioctl = bnx2_ioctl;
5726 dev->set_mac_address = bnx2_change_mac_addr;
5727 dev->change_mtu = bnx2_change_mtu;
5728 dev->tx_timeout = bnx2_tx_timeout;
5729 dev->watchdog_timeo = TX_TIMEOUT;
5730#ifdef BCM_VLAN
5731 dev->vlan_rx_register = bnx2_vlan_rx_register;
5732 dev->vlan_rx_kill_vid = bnx2_vlan_rx_kill_vid;
5733#endif
5734 dev->poll = bnx2_poll;
5735 dev->ethtool_ops = &bnx2_ethtool_ops;
5736 dev->weight = 64;
5737
5738 bp = dev->priv;
5739
5740#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5741 dev->poll_controller = poll_bnx2;
5742#endif
5743
5744 if ((rc = register_netdev(dev))) {
5745 printk(KERN_ERR PFX "Cannot register net device\n");
5746 if (bp->regview)
5747 iounmap(bp->regview);
5748 pci_release_regions(pdev);
5749 pci_disable_device(pdev);
5750 pci_set_drvdata(pdev, NULL);
5751 free_netdev(dev);
5752 return rc;
5753 }
5754
5755 pci_set_drvdata(pdev, dev);
5756
5757 memcpy(dev->dev_addr, bp->mac_addr, 6);
24b8e05d 5758 memcpy(dev->perm_addr, bp->mac_addr, 6);
b6016b76
MC		 5759 bp->name = board_info[ent->driver_data].name,
5760 printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz found at mem %lx, "
5761 "IRQ %d, ",
5762 dev->name,
5763 bp->name,
5764 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
5765 ((CHIP_ID(bp) & 0x0ff0) >> 4),
5766 ((bp->flags & PCIX_FLAG) ? "-X" : ""),
5767 ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
5768 bp->bus_speed_mhz,
5769 dev->base_addr,
5770 bp->pdev->irq);
5771
5772 printk("node addr ");
5773 for (i = 0; i < 6; i++)
5774 printk("%2.2x", dev->dev_addr[i]);
5775 printk("\n");
5776
5777 dev->features |= NETIF_F_SG;
5778 if (bp->flags & USING_DAC_FLAG)
5779 dev->features |= NETIF_F_HIGHDMA;
5780 dev->features |= NETIF_F_IP_CSUM;
5781#ifdef BCM_VLAN
5782 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
5783#endif
5784#ifdef BCM_TSO
5785 dev->features |= NETIF_F_TSO;
5786#endif
5787
5788 netif_carrier_off(bp->dev);
5789
5790 return 0;
5791}
5792
5793static void __devexit
5794bnx2_remove_one(struct pci_dev *pdev)
5795{
5796 struct net_device *dev = pci_get_drvdata(pdev);
5797 struct bnx2 *bp = dev->priv;
5798
afdc08b9
MC		 5799 flush_scheduled_work();
5800
b6016b76
MC		 5801 unregister_netdev(dev);
5802
5803 if (bp->regview)
5804 iounmap(bp->regview);
5805
5806 free_netdev(dev);
5807 pci_release_regions(pdev);
5808 pci_disable_device(pdev);
5809 pci_set_drvdata(pdev, NULL);
5810}
5811
5812static int
829ca9a3 5813bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
b6016b76
MC		 5814{
5815 struct net_device *dev = pci_get_drvdata(pdev);
5816 struct bnx2 *bp = dev->priv;
5817 u32 reset_code;
5818
5819 if (!netif_running(dev))
5820 return 0;
5821
5822 bnx2_netif_stop(bp);
5823 netif_device_detach(dev);
5824 del_timer_sync(&bp->timer);
dda1e390
MC		 5825 if (bp->flags & NO_WOL_FLAG)
5826 reset_code = BNX2_DRV_MSG_CODE_UNLOAD;
5827 else if (bp->wol)
b6016b76
MC		 5828 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5829 else
5830 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5831 bnx2_reset_chip(bp, reset_code);
5832 bnx2_free_skbs(bp);
829ca9a3 5833 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
b6016b76
MC		 5834 return 0;
5835}
5836
5837static int
5838bnx2_resume(struct pci_dev *pdev)
5839{
5840 struct net_device *dev = pci_get_drvdata(pdev);
5841 struct bnx2 *bp = dev->priv;
5842
5843 if (!netif_running(dev))
5844 return 0;
5845
829ca9a3 5846 bnx2_set_power_state(bp, PCI_D0);
b6016b76
MC		 5847 netif_device_attach(dev);
5848 bnx2_init_nic(bp);
5849 bnx2_netif_start(bp);
5850 return 0;
5851}
5852
5853static struct pci_driver bnx2_pci_driver = {
14ab9b86
PH		 5854 .name = DRV_MODULE_NAME,
5855 .id_table = bnx2_pci_tbl,
5856 .probe = bnx2_init_one,
5857 .remove = __devexit_p(bnx2_remove_one),
5858 .suspend = bnx2_suspend,
5859 .resume = bnx2_resume,
b6016b76
MC		 5860};
5861
5862static int __init bnx2_init(void)
5863{
5864 return pci_module_init(&bnx2_pci_driver);
5865}
5866
5867static void __exit bnx2_cleanup(void)
5868{
5869 pci_unregister_driver(&bnx2_pci_driver);
5870}
5871
5872module_init(bnx2_init);
5873module_exit(bnx2_cleanup);
5874
5875
5876
Linux kernel - Deliverables
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