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Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
[linux-2.6/verdex.git] / drivers / net / bnx2.c
blob54161aef3cac0cd763479a3a5bc9d7b00da1f83b
1 /* bnx2.c: Broadcom NX2 network driver.
2 *
3 * Copyright (c) 2004, 2005, 2006 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 <linux/config.h>
13
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16
17 #include <linux/kernel.h>
18 #include <linux/timer.h>
19 #include <linux/errno.h>
20 #include <linux/ioport.h>
21 #include <linux/slab.h>
22 #include <linux/vmalloc.h>
23 #include <linux/interrupt.h>
24 #include <linux/pci.h>
25 #include <linux/init.h>
26 #include <linux/netdevice.h>
27 #include <linux/etherdevice.h>
28 #include <linux/skbuff.h>
29 #include <linux/dma-mapping.h>
30 #include <asm/bitops.h>
31 #include <asm/io.h>
32 #include <asm/irq.h>
33 #include <linux/delay.h>
34 #include <asm/byteorder.h>
35 #include <linux/time.h>
36 #include <linux/ethtool.h>
37 #include <linux/mii.h>
38 #ifdef NETIF_F_HW_VLAN_TX
39 #include <linux/if_vlan.h>
40 #define BCM_VLAN 1
41 #endif
42 #ifdef NETIF_F_TSO
43 #include <net/ip.h>
44 #include <net/tcp.h>
45 #include <net/checksum.h>
46 #define BCM_TSO 1
47 #endif
48 #include <linux/workqueue.h>
49 #include <linux/crc32.h>
50 #include <linux/prefetch.h>
51 #include <linux/cache.h>
52
53 #include "bnx2.h"
54 #include "bnx2_fw.h"
55
56 #define DRV_MODULE_NAME "bnx2"
57 #define PFX DRV_MODULE_NAME ": "
58 #define DRV_MODULE_VERSION "1.4.40"
59 #define DRV_MODULE_RELDATE "May 22, 2006"
60
61 #define RUN_AT(x) (jiffies + (x))
62
63 /* Time in jiffies before concluding the transmitter is hung. */
64 #define TX_TIMEOUT (5*HZ)
65
66 static const char version[] __devinitdata =
67 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
68
69 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
70 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
71 MODULE_LICENSE("GPL");
72 MODULE_VERSION(DRV_MODULE_VERSION);
73
74 static int disable_msi = 0;
75
76 module_param(disable_msi, int, 0);
77 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
78
79 typedef enum {
80 BCM5706 = 0,
81 NC370T,
82 NC370I,
83 BCM5706S,
84 NC370F,
85 BCM5708,
86 BCM5708S,
87 } board_t;
88
89 /* indexed by board_t, above */
90 static const struct {
91 char *name;
92 } board_info[] __devinitdata = {
93 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
94 { "HP NC370T Multifunction Gigabit Server Adapter" },
95 { "HP NC370i Multifunction Gigabit Server Adapter" },
96 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
97 { "HP NC370F Multifunction Gigabit Server Adapter" },
98 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
99 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
100 };
101
102 static struct pci_device_id bnx2_pci_tbl[] = {
103 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
104 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
105 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
106 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
107 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
108 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
109 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
110 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
111 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
112 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
113 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
114 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
115 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
116 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
117 { 0, }
118 };
119
120 static struct flash_spec flash_table[] =
121 {
122 /* Slow EEPROM */
123 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
124 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
125 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
126 "EEPROM - slow"},
127 /* Expansion entry 0001 */
128 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
129 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
130 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
131 "Entry 0001"},
132 /* Saifun SA25F010 (non-buffered flash) */
133 /* strap, cfg1, & write1 need updates */
134 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
135 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
136 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
137 "Non-buffered flash (128kB)"},
138 /* Saifun SA25F020 (non-buffered flash) */
139 /* strap, cfg1, & write1 need updates */
140 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
141 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
142 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
143 "Non-buffered flash (256kB)"},
144 /* Expansion entry 0100 */
145 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
146 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
147 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
148 "Entry 0100"},
149 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
150 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
151 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
152 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
153 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
154 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
155 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
156 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
157 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
158 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
159 /* Saifun SA25F005 (non-buffered flash) */
160 /* strap, cfg1, & write1 need updates */
161 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
162 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
163 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
164 "Non-buffered flash (64kB)"},
165 /* Fast EEPROM */
166 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
167 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
168 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
169 "EEPROM - fast"},
170 /* Expansion entry 1001 */
171 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
172 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
173 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
174 "Entry 1001"},
175 /* Expansion entry 1010 */
176 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
177 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
178 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
179 "Entry 1010"},
180 /* ATMEL AT45DB011B (buffered flash) */
181 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
182 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
183 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
184 "Buffered flash (128kB)"},
185 /* Expansion entry 1100 */
186 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
187 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
188 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
189 "Entry 1100"},
190 /* Expansion entry 1101 */
191 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
192 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
193 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
194 "Entry 1101"},
195 /* Ateml Expansion entry 1110 */
196 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
197 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
198 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
199 "Entry 1110 (Atmel)"},
200 /* ATMEL AT45DB021B (buffered flash) */
201 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
202 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
203 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
204 "Buffered flash (256kB)"},
205 };
206
207 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
208
209 static inline u32 bnx2_tx_avail(struct bnx2 *bp)
210 {
211 u32 diff = TX_RING_IDX(bp->tx_prod) - TX_RING_IDX(bp->tx_cons);
212
213 if (diff > MAX_TX_DESC_CNT)
214 diff = (diff & MAX_TX_DESC_CNT) - 1;
215 return (bp->tx_ring_size - diff);
216 }
217
218 static u32
219 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
220 {
221 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
222 return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
223 }
224
225 static void
226 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
227 {
228 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
229 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
230 }
231
232 static void
233 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
234 {
235 offset += cid_addr;
236 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
237 REG_WR(bp, BNX2_CTX_DATA, val);
238 }
239
240 static int
241 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
242 {
243 u32 val1;
244 int i, ret;
245
246 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
247 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
248 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
249
250 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
251 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
252
253 udelay(40);
254 }
255
256 val1 = (bp->phy_addr << 21) | (reg << 16) |
257 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
258 BNX2_EMAC_MDIO_COMM_START_BUSY;
259 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
260
261 for (i = 0; i < 50; i++) {
262 udelay(10);
263
264 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
265 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
266 udelay(5);
267
268 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
269 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
270
271 break;
272 }
273 }
274
275 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
276 *val = 0x0;
277 ret = -EBUSY;
278 }
279 else {
280 *val = val1;
281 ret = 0;
282 }
283
284 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
285 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
286 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
287
288 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
289 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
290
291 udelay(40);
292 }
293
294 return ret;
295 }
296
297 static int
298 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
299 {
300 u32 val1;
301 int i, ret;
302
303 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
304 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
305 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
306
307 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
308 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
309
310 udelay(40);
311 }
312
313 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
314 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
315 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
316 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
317
318 for (i = 0; i < 50; i++) {
319 udelay(10);
320
321 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
322 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
323 udelay(5);
324 break;
325 }
326 }
327
328 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
329 ret = -EBUSY;
330 else
331 ret = 0;
332
333 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
334 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
335 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
336
337 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
338 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
339
340 udelay(40);
341 }
342
343 return ret;
344 }
345
346 static void
347 bnx2_disable_int(struct bnx2 *bp)
348 {
349 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
350 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
351 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
352 }
353
354 static void
355 bnx2_enable_int(struct bnx2 *bp)
356 {
357 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
358 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
359 BNX2_PCICFG_INT_ACK_CMD_MASK_INT | bp->last_status_idx);
360
361 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
362 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
363
364 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
365 }
366
367 static void
368 bnx2_disable_int_sync(struct bnx2 *bp)
369 {
370 atomic_inc(&bp->intr_sem);
371 bnx2_disable_int(bp);
372 synchronize_irq(bp->pdev->irq);
373 }
374
375 static void
376 bnx2_netif_stop(struct bnx2 *bp)
377 {
378 bnx2_disable_int_sync(bp);
379 if (netif_running(bp->dev)) {
380 netif_poll_disable(bp->dev);
381 netif_tx_disable(bp->dev);
382 bp->dev->trans_start = jiffies; /* prevent tx timeout */
383 }
384 }
385
386 static void
387 bnx2_netif_start(struct bnx2 *bp)
388 {
389 if (atomic_dec_and_test(&bp->intr_sem)) {
390 if (netif_running(bp->dev)) {
391 netif_wake_queue(bp->dev);
392 netif_poll_enable(bp->dev);
393 bnx2_enable_int(bp);
394 }
395 }
396 }
397
398 static void
399 bnx2_free_mem(struct bnx2 *bp)
400 {
401 int i;
402
403 if (bp->status_blk) {
404 pci_free_consistent(bp->pdev, bp->status_stats_size,
405 bp->status_blk, bp->status_blk_mapping);
406 bp->status_blk = NULL;
407 bp->stats_blk = NULL;
408 }
409 if (bp->tx_desc_ring) {
410 pci_free_consistent(bp->pdev,
411 sizeof(struct tx_bd) * TX_DESC_CNT,
412 bp->tx_desc_ring, bp->tx_desc_mapping);
413 bp->tx_desc_ring = NULL;
414 }
415 kfree(bp->tx_buf_ring);
416 bp->tx_buf_ring = NULL;
417 for (i = 0; i < bp->rx_max_ring; i++) {
418 if (bp->rx_desc_ring[i])
419 pci_free_consistent(bp->pdev,
420 sizeof(struct rx_bd) * RX_DESC_CNT,
421 bp->rx_desc_ring[i],
422 bp->rx_desc_mapping[i]);
423 bp->rx_desc_ring[i] = NULL;
424 }
425 vfree(bp->rx_buf_ring);
426 bp->rx_buf_ring = NULL;
427 }
428
429 static int
430 bnx2_alloc_mem(struct bnx2 *bp)
431 {
432 int i, status_blk_size;
433
434 bp->tx_buf_ring = kzalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
435 GFP_KERNEL);
436 if (bp->tx_buf_ring == NULL)
437 return -ENOMEM;
438
439 bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
440 sizeof(struct tx_bd) *
441 TX_DESC_CNT,
442 &bp->tx_desc_mapping);
443 if (bp->tx_desc_ring == NULL)
444 goto alloc_mem_err;
445
446 bp->rx_buf_ring = vmalloc(sizeof(struct sw_bd) * RX_DESC_CNT *
447 bp->rx_max_ring);
448 if (bp->rx_buf_ring == NULL)
449 goto alloc_mem_err;
450
451 memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT *
452 bp->rx_max_ring);
453
454 for (i = 0; i < bp->rx_max_ring; i++) {
455 bp->rx_desc_ring[i] =
456 pci_alloc_consistent(bp->pdev,
457 sizeof(struct rx_bd) * RX_DESC_CNT,
458 &bp->rx_desc_mapping[i]);
459 if (bp->rx_desc_ring[i] == NULL)
460 goto alloc_mem_err;
461
462 }
463
464 /* Combine status and statistics blocks into one allocation. */
465 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
466 bp->status_stats_size = status_blk_size +
467 sizeof(struct statistics_block);
468
469 bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
470 &bp->status_blk_mapping);
471 if (bp->status_blk == NULL)
472 goto alloc_mem_err;
473
474 memset(bp->status_blk, 0, bp->status_stats_size);
475
476 bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
477 status_blk_size);
478
479 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
480
481 return 0;
482
483 alloc_mem_err:
484 bnx2_free_mem(bp);
485 return -ENOMEM;
486 }
487
488 static void
489 bnx2_report_fw_link(struct bnx2 *bp)
490 {
491 u32 fw_link_status = 0;
492
493 if (bp->link_up) {
494 u32 bmsr;
495
496 switch (bp->line_speed) {
497 case SPEED_10:
498 if (bp->duplex == DUPLEX_HALF)
499 fw_link_status = BNX2_LINK_STATUS_10HALF;
500 else
501 fw_link_status = BNX2_LINK_STATUS_10FULL;
502 break;
503 case SPEED_100:
504 if (bp->duplex == DUPLEX_HALF)
505 fw_link_status = BNX2_LINK_STATUS_100HALF;
506 else
507 fw_link_status = BNX2_LINK_STATUS_100FULL;
508 break;
509 case SPEED_1000:
510 if (bp->duplex == DUPLEX_HALF)
511 fw_link_status = BNX2_LINK_STATUS_1000HALF;
512 else
513 fw_link_status = BNX2_LINK_STATUS_1000FULL;
514 break;
515 case SPEED_2500:
516 if (bp->duplex == DUPLEX_HALF)
517 fw_link_status = BNX2_LINK_STATUS_2500HALF;
518 else
519 fw_link_status = BNX2_LINK_STATUS_2500FULL;
520 break;
521 }
522
523 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
524
525 if (bp->autoneg) {
526 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
527
528 bnx2_read_phy(bp, MII_BMSR, &bmsr);
529 bnx2_read_phy(bp, MII_BMSR, &bmsr);
530
531 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
532 bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
533 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
534 else
535 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
536 }
537 }
538 else
539 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
540
541 REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
542 }
543
544 static void
545 bnx2_report_link(struct bnx2 *bp)
546 {
547 if (bp->link_up) {
548 netif_carrier_on(bp->dev);
549 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
550
551 printk("%d Mbps ", bp->line_speed);
552
553 if (bp->duplex == DUPLEX_FULL)
554 printk("full duplex");
555 else
556 printk("half duplex");
557
558 if (bp->flow_ctrl) {
559 if (bp->flow_ctrl & FLOW_CTRL_RX) {
560 printk(", receive ");
561 if (bp->flow_ctrl & FLOW_CTRL_TX)
562 printk("& transmit ");
563 }
564 else {
565 printk(", transmit ");
566 }
567 printk("flow control ON");
568 }
569 printk("\n");
570 }
571 else {
572 netif_carrier_off(bp->dev);
573 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
574 }
575
576 bnx2_report_fw_link(bp);
577 }
578
579 static void
580 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
581 {
582 u32 local_adv, remote_adv;
583
584 bp->flow_ctrl = 0;
585 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
586 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
587
588 if (bp->duplex == DUPLEX_FULL) {
589 bp->flow_ctrl = bp->req_flow_ctrl;
590 }
591 return;
592 }
593
594 if (bp->duplex != DUPLEX_FULL) {
595 return;
596 }
597
598 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
599 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
600 u32 val;
601
602 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
603 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
604 bp->flow_ctrl |= FLOW_CTRL_TX;
605 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
606 bp->flow_ctrl |= FLOW_CTRL_RX;
607 return;
608 }
609
610 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
611 bnx2_read_phy(bp, MII_LPA, &remote_adv);
612
613 if (bp->phy_flags & PHY_SERDES_FLAG) {
614 u32 new_local_adv = 0;
615 u32 new_remote_adv = 0;
616
617 if (local_adv & ADVERTISE_1000XPAUSE)
618 new_local_adv |= ADVERTISE_PAUSE_CAP;
619 if (local_adv & ADVERTISE_1000XPSE_ASYM)
620 new_local_adv |= ADVERTISE_PAUSE_ASYM;
621 if (remote_adv & ADVERTISE_1000XPAUSE)
622 new_remote_adv |= ADVERTISE_PAUSE_CAP;
623 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
624 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
625
626 local_adv = new_local_adv;
627 remote_adv = new_remote_adv;
628 }
629
630 /* See Table 28B-3 of 802.3ab-1999 spec. */
631 if (local_adv & ADVERTISE_PAUSE_CAP) {
632 if(local_adv & ADVERTISE_PAUSE_ASYM) {
633 if (remote_adv & ADVERTISE_PAUSE_CAP) {
634 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
635 }
636 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
637 bp->flow_ctrl = FLOW_CTRL_RX;
638 }
639 }
640 else {
641 if (remote_adv & ADVERTISE_PAUSE_CAP) {
642 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
643 }
644 }
645 }
646 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
647 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
648 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
649
650 bp->flow_ctrl = FLOW_CTRL_TX;
651 }
652 }
653 }
654
655 static int
656 bnx2_5708s_linkup(struct bnx2 *bp)
657 {
658 u32 val;
659
660 bp->link_up = 1;
661 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
662 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
663 case BCM5708S_1000X_STAT1_SPEED_10:
664 bp->line_speed = SPEED_10;
665 break;
666 case BCM5708S_1000X_STAT1_SPEED_100:
667 bp->line_speed = SPEED_100;
668 break;
669 case BCM5708S_1000X_STAT1_SPEED_1G:
670 bp->line_speed = SPEED_1000;
671 break;
672 case BCM5708S_1000X_STAT1_SPEED_2G5:
673 bp->line_speed = SPEED_2500;
674 break;
675 }
676 if (val & BCM5708S_1000X_STAT1_FD)
677 bp->duplex = DUPLEX_FULL;
678 else
679 bp->duplex = DUPLEX_HALF;
680
681 return 0;
682 }
683
684 static int
685 bnx2_5706s_linkup(struct bnx2 *bp)
686 {
687 u32 bmcr, local_adv, remote_adv, common;
688
689 bp->link_up = 1;
690 bp->line_speed = SPEED_1000;
691
692 bnx2_read_phy(bp, MII_BMCR, &bmcr);
693 if (bmcr & BMCR_FULLDPLX) {
694 bp->duplex = DUPLEX_FULL;
695 }
696 else {
697 bp->duplex = DUPLEX_HALF;
698 }
699
700 if (!(bmcr & BMCR_ANENABLE)) {
701 return 0;
702 }
703
704 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
705 bnx2_read_phy(bp, MII_LPA, &remote_adv);
706
707 common = local_adv & remote_adv;
708 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
709
710 if (common & ADVERTISE_1000XFULL) {
711 bp->duplex = DUPLEX_FULL;
712 }
713 else {
714 bp->duplex = DUPLEX_HALF;
715 }
716 }
717
718 return 0;
719 }
720
721 static int
722 bnx2_copper_linkup(struct bnx2 *bp)
723 {
724 u32 bmcr;
725
726 bnx2_read_phy(bp, MII_BMCR, &bmcr);
727 if (bmcr & BMCR_ANENABLE) {
728 u32 local_adv, remote_adv, common;
729
730 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
731 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
732
733 common = local_adv & (remote_adv >> 2);
734 if (common & ADVERTISE_1000FULL) {
735 bp->line_speed = SPEED_1000;
736 bp->duplex = DUPLEX_FULL;
737 }
738 else if (common & ADVERTISE_1000HALF) {
739 bp->line_speed = SPEED_1000;
740 bp->duplex = DUPLEX_HALF;
741 }
742 else {
743 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
744 bnx2_read_phy(bp, MII_LPA, &remote_adv);
745
746 common = local_adv & remote_adv;
747 if (common & ADVERTISE_100FULL) {
748 bp->line_speed = SPEED_100;
749 bp->duplex = DUPLEX_FULL;
750 }
751 else if (common & ADVERTISE_100HALF) {
752 bp->line_speed = SPEED_100;
753 bp->duplex = DUPLEX_HALF;
754 }
755 else if (common & ADVERTISE_10FULL) {
756 bp->line_speed = SPEED_10;
757 bp->duplex = DUPLEX_FULL;
758 }
759 else if (common & ADVERTISE_10HALF) {
760 bp->line_speed = SPEED_10;
761 bp->duplex = DUPLEX_HALF;
762 }
763 else {
764 bp->line_speed = 0;
765 bp->link_up = 0;
766 }
767 }
768 }
769 else {
770 if (bmcr & BMCR_SPEED100) {
771 bp->line_speed = SPEED_100;
772 }
773 else {
774 bp->line_speed = SPEED_10;
775 }
776 if (bmcr & BMCR_FULLDPLX) {
777 bp->duplex = DUPLEX_FULL;
778 }
779 else {
780 bp->duplex = DUPLEX_HALF;
781 }
782 }
783
784 return 0;
785 }
786
787 static int
788 bnx2_set_mac_link(struct bnx2 *bp)
789 {
790 u32 val;
791
792 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
793 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
794 (bp->duplex == DUPLEX_HALF)) {
795 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
796 }
797
798 /* Configure the EMAC mode register. */
799 val = REG_RD(bp, BNX2_EMAC_MODE);
800
801 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
802 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
803 BNX2_EMAC_MODE_25G);
804
805 if (bp->link_up) {
806 switch (bp->line_speed) {
807 case SPEED_10:
808 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
809 val |= BNX2_EMAC_MODE_PORT_MII_10;
810 break;
811 }
812 /* fall through */
813 case SPEED_100:
814 val |= BNX2_EMAC_MODE_PORT_MII;
815 break;
816 case SPEED_2500:
817 val |= BNX2_EMAC_MODE_25G;
818 /* fall through */
819 case SPEED_1000:
820 val |= BNX2_EMAC_MODE_PORT_GMII;
821 break;
822 }
823 }
824 else {
825 val |= BNX2_EMAC_MODE_PORT_GMII;
826 }
827
828 /* Set the MAC to operate in the appropriate duplex mode. */
829 if (bp->duplex == DUPLEX_HALF)
830 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
831 REG_WR(bp, BNX2_EMAC_MODE, val);
832
833 /* Enable/disable rx PAUSE. */
834 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
835
836 if (bp->flow_ctrl & FLOW_CTRL_RX)
837 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
838 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
839
840 /* Enable/disable tx PAUSE. */
841 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
842 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
843
844 if (bp->flow_ctrl & FLOW_CTRL_TX)
845 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
846 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
847
848 /* Acknowledge the interrupt. */
849 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
850
851 return 0;
852 }
853
854 static int
855 bnx2_set_link(struct bnx2 *bp)
856 {
857 u32 bmsr;
858 u8 link_up;
859
860 if (bp->loopback == MAC_LOOPBACK) {
861 bp->link_up = 1;
862 return 0;
863 }
864
865 link_up = bp->link_up;
866
867 bnx2_read_phy(bp, MII_BMSR, &bmsr);
868 bnx2_read_phy(bp, MII_BMSR, &bmsr);
869
870 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
871 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
872 u32 val;
873
874 val = REG_RD(bp, BNX2_EMAC_STATUS);
875 if (val & BNX2_EMAC_STATUS_LINK)
876 bmsr |= BMSR_LSTATUS;
877 else
878 bmsr &= ~BMSR_LSTATUS;
879 }
880
881 if (bmsr & BMSR_LSTATUS) {
882 bp->link_up = 1;
883
884 if (bp->phy_flags & PHY_SERDES_FLAG) {
885 if (CHIP_NUM(bp) == CHIP_NUM_5706)
886 bnx2_5706s_linkup(bp);
887 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
888 bnx2_5708s_linkup(bp);
889 }
890 else {
891 bnx2_copper_linkup(bp);
892 }
893 bnx2_resolve_flow_ctrl(bp);
894 }
895 else {
896 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
897 (bp->autoneg & AUTONEG_SPEED)) {
898
899 u32 bmcr;
900
901 bnx2_read_phy(bp, MII_BMCR, &bmcr);
902 if (!(bmcr & BMCR_ANENABLE)) {
903 bnx2_write_phy(bp, MII_BMCR, bmcr |
904 BMCR_ANENABLE);
905 }
906 }
907 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
908 bp->link_up = 0;
909 }
910
911 if (bp->link_up != link_up) {
912 bnx2_report_link(bp);
913 }
914
915 bnx2_set_mac_link(bp);
916
917 return 0;
918 }
919
920 static int
921 bnx2_reset_phy(struct bnx2 *bp)
922 {
923 int i;
924 u32 reg;
925
926 bnx2_write_phy(bp, MII_BMCR, BMCR_RESET);
927
928 #define PHY_RESET_MAX_WAIT 100
929 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
930 udelay(10);
931
932 bnx2_read_phy(bp, MII_BMCR, &reg);
933 if (!(reg & BMCR_RESET)) {
934 udelay(20);
935 break;
936 }
937 }
938 if (i == PHY_RESET_MAX_WAIT) {
939 return -EBUSY;
940 }
941 return 0;
942 }
943
944 static u32
945 bnx2_phy_get_pause_adv(struct bnx2 *bp)
946 {
947 u32 adv = 0;
948
949 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
950 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
951
952 if (bp->phy_flags & PHY_SERDES_FLAG) {
953 adv = ADVERTISE_1000XPAUSE;
954 }
955 else {
956 adv = ADVERTISE_PAUSE_CAP;
957 }
958 }
959 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
960 if (bp->phy_flags & PHY_SERDES_FLAG) {
961 adv = ADVERTISE_1000XPSE_ASYM;
962 }
963 else {
964 adv = ADVERTISE_PAUSE_ASYM;
965 }
966 }
967 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
968 if (bp->phy_flags & PHY_SERDES_FLAG) {
969 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
970 }
971 else {
972 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
973 }
974 }
975 return adv;
976 }
977
978 static int
979 bnx2_setup_serdes_phy(struct bnx2 *bp)
980 {
981 u32 adv, bmcr, up1;
982 u32 new_adv = 0;
983
984 if (!(bp->autoneg & AUTONEG_SPEED)) {
985 u32 new_bmcr;
986 int force_link_down = 0;
987
988 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
989 bnx2_read_phy(bp, BCM5708S_UP1, &up1);
990 if (up1 & BCM5708S_UP1_2G5) {
991 up1 &= ~BCM5708S_UP1_2G5;
992 bnx2_write_phy(bp, BCM5708S_UP1, up1);
993 force_link_down = 1;
994 }
995 }
996
997 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
998 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
999
1000 bnx2_read_phy(bp, MII_BMCR, &bmcr);
1001 new_bmcr = bmcr & ~BMCR_ANENABLE;
1002 new_bmcr |= BMCR_SPEED1000;
1003 if (bp->req_duplex == DUPLEX_FULL) {
1004 adv |= ADVERTISE_1000XFULL;
1005 new_bmcr |= BMCR_FULLDPLX;
1006 }
1007 else {
1008 adv |= ADVERTISE_1000XHALF;
1009 new_bmcr &= ~BMCR_FULLDPLX;
1010 }
1011 if ((new_bmcr != bmcr) || (force_link_down)) {
1012 /* Force a link down visible on the other side */
1013 if (bp->link_up) {
1014 bnx2_write_phy(bp, MII_ADVERTISE, adv &
1015 ~(ADVERTISE_1000XFULL |
1016 ADVERTISE_1000XHALF));
1017 bnx2_write_phy(bp, MII_BMCR, bmcr |
1018 BMCR_ANRESTART | BMCR_ANENABLE);
1019
1020 bp->link_up = 0;
1021 netif_carrier_off(bp->dev);
1022 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
1023 }
1024 bnx2_write_phy(bp, MII_ADVERTISE, adv);
1025 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
1026 }
1027 return 0;
1028 }
1029
1030 if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
1031 bnx2_read_phy(bp, BCM5708S_UP1, &up1);
1032 up1 |= BCM5708S_UP1_2G5;
1033 bnx2_write_phy(bp, BCM5708S_UP1, up1);
1034 }
1035
1036 if (bp->advertising & ADVERTISED_1000baseT_Full)
1037 new_adv |= ADVERTISE_1000XFULL;
1038
1039 new_adv |= bnx2_phy_get_pause_adv(bp);
1040
1041 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
1042 bnx2_read_phy(bp, MII_BMCR, &bmcr);
1043
1044 bp->serdes_an_pending = 0;
1045 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1046 /* Force a link down visible on the other side */
1047 if (bp->link_up) {
1048 int i;
1049
1050 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
1051 for (i = 0; i < 110; i++) {
1052 udelay(100);
1053 }
1054 }
1055
1056 bnx2_write_phy(bp, MII_ADVERTISE, new_adv);
1057 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART |
1058 BMCR_ANENABLE);
1059 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
1060 /* Speed up link-up time when the link partner
1061 * does not autonegotiate which is very common
1062 * in blade servers. Some blade servers use
1063 * IPMI for kerboard input and it's important
1064 * to minimize link disruptions. Autoneg. involves
1065 * exchanging base pages plus 3 next pages and
1066 * normally completes in about 120 msec.
1067 */
1068 bp->current_interval = SERDES_AN_TIMEOUT;
1069 bp->serdes_an_pending = 1;
1070 mod_timer(&bp->timer, jiffies + bp->current_interval);
1071 }
1072 }
1073
1074 return 0;
1075 }
1076
1077 #define ETHTOOL_ALL_FIBRE_SPEED \
1078 (ADVERTISED_1000baseT_Full)
1079
1080 #define ETHTOOL_ALL_COPPER_SPEED \
1081 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1082 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1083 ADVERTISED_1000baseT_Full)
1084
1085 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1086 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1087
1088 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1089
1090 static int
1091 bnx2_setup_copper_phy(struct bnx2 *bp)
1092 {
1093 u32 bmcr;
1094 u32 new_bmcr;
1095
1096 bnx2_read_phy(bp, MII_BMCR, &bmcr);
1097
1098 if (bp->autoneg & AUTONEG_SPEED) {
1099 u32 adv_reg, adv1000_reg;
1100 u32 new_adv_reg = 0;
1101 u32 new_adv1000_reg = 0;
1102
1103 bnx2_read_phy(bp, MII_ADVERTISE, &adv_reg);
1104 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1105 ADVERTISE_PAUSE_ASYM);
1106
1107 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1108 adv1000_reg &= PHY_ALL_1000_SPEED;
1109
1110 if (bp->advertising & ADVERTISED_10baseT_Half)
1111 new_adv_reg |= ADVERTISE_10HALF;
1112 if (bp->advertising & ADVERTISED_10baseT_Full)
1113 new_adv_reg |= ADVERTISE_10FULL;
1114 if (bp->advertising & ADVERTISED_100baseT_Half)
1115 new_adv_reg |= ADVERTISE_100HALF;
1116 if (bp->advertising & ADVERTISED_100baseT_Full)
1117 new_adv_reg |= ADVERTISE_100FULL;
1118 if (bp->advertising & ADVERTISED_1000baseT_Full)
1119 new_adv1000_reg |= ADVERTISE_1000FULL;
1120
1121 new_adv_reg |= ADVERTISE_CSMA;
1122
1123 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1124
1125 if ((adv1000_reg != new_adv1000_reg) ||
1126 (adv_reg != new_adv_reg) ||
1127 ((bmcr & BMCR_ANENABLE) == 0)) {
1128
1129 bnx2_write_phy(bp, MII_ADVERTISE, new_adv_reg);
1130 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1131 bnx2_write_phy(bp, MII_BMCR, BMCR_ANRESTART |
1132 BMCR_ANENABLE);
1133 }
1134 else if (bp->link_up) {
1135 /* Flow ctrl may have changed from auto to forced */
1136 /* or vice-versa. */
1137
1138 bnx2_resolve_flow_ctrl(bp);
1139 bnx2_set_mac_link(bp);
1140 }
1141 return 0;
1142 }
1143
1144 new_bmcr = 0;
1145 if (bp->req_line_speed == SPEED_100) {
1146 new_bmcr |= BMCR_SPEED100;
1147 }
1148 if (bp->req_duplex == DUPLEX_FULL) {
1149 new_bmcr |= BMCR_FULLDPLX;
1150 }
1151 if (new_bmcr != bmcr) {
1152 u32 bmsr;
1153 int i = 0;
1154
1155 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1156 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1157
1158 if (bmsr & BMSR_LSTATUS) {
1159 /* Force link down */
1160 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
1161 do {
1162 udelay(100);
1163 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1164 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1165 i++;
1166 } while ((bmsr & BMSR_LSTATUS) && (i < 620));
1167 }
1168
1169 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
1170
1171 /* Normally, the new speed is setup after the link has
1172 * gone down and up again. In some cases, link will not go
1173 * down so we need to set up the new speed here.
1174 */
1175 if (bmsr & BMSR_LSTATUS) {
1176 bp->line_speed = bp->req_line_speed;
1177 bp->duplex = bp->req_duplex;
1178 bnx2_resolve_flow_ctrl(bp);
1179 bnx2_set_mac_link(bp);
1180 }
1181 }
1182 return 0;
1183 }
1184
1185 static int
1186 bnx2_setup_phy(struct bnx2 *bp)
1187 {
1188 if (bp->loopback == MAC_LOOPBACK)
1189 return 0;
1190
1191 if (bp->phy_flags & PHY_SERDES_FLAG) {
1192 return (bnx2_setup_serdes_phy(bp));
1193 }
1194 else {
1195 return (bnx2_setup_copper_phy(bp));
1196 }
1197 }
1198
1199 static int
1200 bnx2_init_5708s_phy(struct bnx2 *bp)
1201 {
1202 u32 val;
1203
1204 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1205 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1206 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1207
1208 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1209 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1210 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1211
1212 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1213 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1214 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1215
1216 if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
1217 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1218 val |= BCM5708S_UP1_2G5;
1219 bnx2_write_phy(bp, BCM5708S_UP1, val);
1220 }
1221
1222 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
1223 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1224 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
1225 /* increase tx signal amplitude */
1226 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1227 BCM5708S_BLK_ADDR_TX_MISC);
1228 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1229 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1230 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1231 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1232 }
1233
1234 val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
1235 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1236
1237 if (val) {
1238 u32 is_backplane;
1239
1240 is_backplane = REG_RD_IND(bp, bp->shmem_base +
1241 BNX2_SHARED_HW_CFG_CONFIG);
1242 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1243 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1244 BCM5708S_BLK_ADDR_TX_MISC);
1245 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1246 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1247 BCM5708S_BLK_ADDR_DIG);
1248 }
1249 }
1250 return 0;
1251 }
1252
1253 static int
1254 bnx2_init_5706s_phy(struct bnx2 *bp)
1255 {
1256 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
1257
1258 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
1259 REG_WR(bp, BNX2_MISC_UNUSED0, 0x300);
1260 }
1261
1262 if (bp->dev->mtu > 1500) {
1263 u32 val;
1264
1265 /* Set extended packet length bit */
1266 bnx2_write_phy(bp, 0x18, 0x7);
1267 bnx2_read_phy(bp, 0x18, &val);
1268 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
1269
1270 bnx2_write_phy(bp, 0x1c, 0x6c00);
1271 bnx2_read_phy(bp, 0x1c, &val);
1272 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
1273 }
1274 else {
1275 u32 val;
1276
1277 bnx2_write_phy(bp, 0x18, 0x7);
1278 bnx2_read_phy(bp, 0x18, &val);
1279 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1280
1281 bnx2_write_phy(bp, 0x1c, 0x6c00);
1282 bnx2_read_phy(bp, 0x1c, &val);
1283 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
1284 }
1285
1286 return 0;
1287 }
1288
1289 static int
1290 bnx2_init_copper_phy(struct bnx2 *bp)
1291 {
1292 u32 val;
1293
1294 bp->phy_flags |= PHY_CRC_FIX_FLAG;
1295
1296 if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
1297 bnx2_write_phy(bp, 0x18, 0x0c00);
1298 bnx2_write_phy(bp, 0x17, 0x000a);
1299 bnx2_write_phy(bp, 0x15, 0x310b);
1300 bnx2_write_phy(bp, 0x17, 0x201f);
1301 bnx2_write_phy(bp, 0x15, 0x9506);
1302 bnx2_write_phy(bp, 0x17, 0x401f);
1303 bnx2_write_phy(bp, 0x15, 0x14e2);
1304 bnx2_write_phy(bp, 0x18, 0x0400);
1305 }
1306
1307 if (bp->dev->mtu > 1500) {
1308 /* Set extended packet length bit */
1309 bnx2_write_phy(bp, 0x18, 0x7);
1310 bnx2_read_phy(bp, 0x18, &val);
1311 bnx2_write_phy(bp, 0x18, val | 0x4000);
1312
1313 bnx2_read_phy(bp, 0x10, &val);
1314 bnx2_write_phy(bp, 0x10, val | 0x1);
1315 }
1316 else {
1317 bnx2_write_phy(bp, 0x18, 0x7);
1318 bnx2_read_phy(bp, 0x18, &val);
1319 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1320
1321 bnx2_read_phy(bp, 0x10, &val);
1322 bnx2_write_phy(bp, 0x10, val & ~0x1);
1323 }
1324
1325 /* ethernet@wirespeed */
1326 bnx2_write_phy(bp, 0x18, 0x7007);
1327 bnx2_read_phy(bp, 0x18, &val);
1328 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
1329 return 0;
1330 }
1331
1332
1333 static int
1334 bnx2_init_phy(struct bnx2 *bp)
1335 {
1336 u32 val;
1337 int rc = 0;
1338
1339 bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
1340 bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
1341
1342 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
1343
1344 bnx2_reset_phy(bp);
1345
1346 bnx2_read_phy(bp, MII_PHYSID1, &val);
1347 bp->phy_id = val << 16;
1348 bnx2_read_phy(bp, MII_PHYSID2, &val);
1349 bp->phy_id |= val & 0xffff;
1350
1351 if (bp->phy_flags & PHY_SERDES_FLAG) {
1352 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1353 rc = bnx2_init_5706s_phy(bp);
1354 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1355 rc = bnx2_init_5708s_phy(bp);
1356 }
1357 else {
1358 rc = bnx2_init_copper_phy(bp);
1359 }
1360
1361 bnx2_setup_phy(bp);
1362
1363 return rc;
1364 }
1365
1366 static int
1367 bnx2_set_mac_loopback(struct bnx2 *bp)
1368 {
1369 u32 mac_mode;
1370
1371 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1372 mac_mode &= ~BNX2_EMAC_MODE_PORT;
1373 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
1374 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1375 bp->link_up = 1;
1376 return 0;
1377 }
1378
1379 static int bnx2_test_link(struct bnx2 *);
1380
1381 static int
1382 bnx2_set_phy_loopback(struct bnx2 *bp)
1383 {
1384 u32 mac_mode;
1385 int rc, i;
1386
1387 spin_lock_bh(&bp->phy_lock);
1388 rc = bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK | BMCR_FULLDPLX |
1389 BMCR_SPEED1000);
1390 spin_unlock_bh(&bp->phy_lock);
1391 if (rc)
1392 return rc;
1393
1394 for (i = 0; i < 10; i++) {
1395 if (bnx2_test_link(bp) == 0)
1396 break;
1397 udelay(10);
1398 }
1399
1400 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1401 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1402 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1403 BNX2_EMAC_MODE_25G);
1404
1405 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
1406 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1407 bp->link_up = 1;
1408 return 0;
1409 }
1410
1411 static int
1412 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
1413 {
1414 int i;
1415 u32 val;
1416
1417 bp->fw_wr_seq++;
1418 msg_data |= bp->fw_wr_seq;
1419
1420 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
1421
1422 /* wait for an acknowledgement. */
1423 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
1424 msleep(10);
1425
1426 val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
1427
1428 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
1429 break;
1430 }
1431 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
1432 return 0;
1433
1434 /* If we timed out, inform the firmware that this is the case. */
1435 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
1436 if (!silent)
1437 printk(KERN_ERR PFX "fw sync timeout, reset code = "
1438 "%x\n", msg_data);
1439
1440 msg_data &= ~BNX2_DRV_MSG_CODE;
1441 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
1442
1443 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
1444
1445 return -EBUSY;
1446 }
1447
1448 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
1449 return -EIO;
1450
1451 return 0;
1452 }
1453
1454 static void
1455 bnx2_init_context(struct bnx2 *bp)
1456 {
1457 u32 vcid;
1458
1459 vcid = 96;
1460 while (vcid) {
1461 u32 vcid_addr, pcid_addr, offset;
1462
1463 vcid--;
1464
1465 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
1466 u32 new_vcid;
1467
1468 vcid_addr = GET_PCID_ADDR(vcid);
1469 if (vcid & 0x8) {
1470 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
1471 }
1472 else {
1473 new_vcid = vcid;
1474 }
1475 pcid_addr = GET_PCID_ADDR(new_vcid);
1476 }
1477 else {
1478 vcid_addr = GET_CID_ADDR(vcid);
1479 pcid_addr = vcid_addr;
1480 }
1481
1482 REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
1483 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1484
1485 /* Zero out the context. */
1486 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) {
1487 CTX_WR(bp, 0x00, offset, 0);
1488 }
1489
1490 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
1491 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1492 }
1493 }
1494
1495 static int
1496 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
1497 {
1498 u16 *good_mbuf;
1499 u32 good_mbuf_cnt;
1500 u32 val;
1501
1502 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
1503 if (good_mbuf == NULL) {
1504 printk(KERN_ERR PFX "Failed to allocate memory in "
1505 "bnx2_alloc_bad_rbuf\n");
1506 return -ENOMEM;
1507 }
1508
1509 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
1510 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
1511
1512 good_mbuf_cnt = 0;
1513
1514 /* Allocate a bunch of mbufs and save the good ones in an array. */
1515 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1516 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
1517 REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
1518
1519 val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
1520
1521 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
1522
1523 /* The addresses with Bit 9 set are bad memory blocks. */
1524 if (!(val & (1 << 9))) {
1525 good_mbuf[good_mbuf_cnt] = (u16) val;
1526 good_mbuf_cnt++;
1527 }
1528
1529 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1530 }
1531
1532 /* Free the good ones back to the mbuf pool thus discarding
1533 * all the bad ones. */
1534 while (good_mbuf_cnt) {
1535 good_mbuf_cnt--;
1536
1537 val = good_mbuf[good_mbuf_cnt];
1538 val = (val << 9) | val | 1;
1539
1540 REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
1541 }
1542 kfree(good_mbuf);
1543 return 0;
1544 }
1545
1546 static void
1547 bnx2_set_mac_addr(struct bnx2 *bp)
1548 {
1549 u32 val;
1550 u8 *mac_addr = bp->dev->dev_addr;
1551
1552 val = (mac_addr[0] << 8) | mac_addr[1];
1553
1554 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
1555
1556 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
1557 (mac_addr[4] << 8) | mac_addr[5];
1558
1559 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
1560 }
1561
1562 static inline int
1563 bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
1564 {
1565 struct sk_buff *skb;
1566 struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
1567 dma_addr_t mapping;
1568 struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
1569 unsigned long align;
1570
1571 skb = dev_alloc_skb(bp->rx_buf_size);
1572 if (skb == NULL) {
1573 return -ENOMEM;
1574 }
1575
1576 if (unlikely((align = (unsigned long) skb->data & 0x7))) {
1577 skb_reserve(skb, 8 - align);
1578 }
1579
1580 skb->dev = bp->dev;
1581 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1582 PCI_DMA_FROMDEVICE);
1583
1584 rx_buf->skb = skb;
1585 pci_unmap_addr_set(rx_buf, mapping, mapping);
1586
1587 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
1588 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
1589
1590 bp->rx_prod_bseq += bp->rx_buf_use_size;
1591
1592 return 0;
1593 }
1594
1595 static void
1596 bnx2_phy_int(struct bnx2 *bp)
1597 {
1598 u32 new_link_state, old_link_state;
1599
1600 new_link_state = bp->status_blk->status_attn_bits &
1601 STATUS_ATTN_BITS_LINK_STATE;
1602 old_link_state = bp->status_blk->status_attn_bits_ack &
1603 STATUS_ATTN_BITS_LINK_STATE;
1604 if (new_link_state != old_link_state) {
1605 if (new_link_state) {
1606 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD,
1607 STATUS_ATTN_BITS_LINK_STATE);
1608 }
1609 else {
1610 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD,
1611 STATUS_ATTN_BITS_LINK_STATE);
1612 }
1613 bnx2_set_link(bp);
1614 }
1615 }
1616
1617 static void
1618 bnx2_tx_int(struct bnx2 *bp)
1619 {
1620 struct status_block *sblk = bp->status_blk;
1621 u16 hw_cons, sw_cons, sw_ring_cons;
1622 int tx_free_bd = 0;
1623
1624 hw_cons = bp->hw_tx_cons = sblk->status_tx_quick_consumer_index0;
1625 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1626 hw_cons++;
1627 }
1628 sw_cons = bp->tx_cons;
1629
1630 while (sw_cons != hw_cons) {
1631 struct sw_bd *tx_buf;
1632 struct sk_buff *skb;
1633 int i, last;
1634
1635 sw_ring_cons = TX_RING_IDX(sw_cons);
1636
1637 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
1638 skb = tx_buf->skb;
1639 #ifdef BCM_TSO
1640 /* partial BD completions possible with TSO packets */
1641 if (skb_shinfo(skb)->tso_size) {
1642 u16 last_idx, last_ring_idx;
1643
1644 last_idx = sw_cons +
1645 skb_shinfo(skb)->nr_frags + 1;
1646 last_ring_idx = sw_ring_cons +
1647 skb_shinfo(skb)->nr_frags + 1;
1648 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
1649 last_idx++;
1650 }
1651 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
1652 break;
1653 }
1654 }
1655 #endif
1656 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
1657 skb_headlen(skb), PCI_DMA_TODEVICE);
1658
1659 tx_buf->skb = NULL;
1660 last = skb_shinfo(skb)->nr_frags;
1661
1662 for (i = 0; i < last; i++) {
1663 sw_cons = NEXT_TX_BD(sw_cons);
1664
1665 pci_unmap_page(bp->pdev,
1666 pci_unmap_addr(
1667 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
1668 mapping),
1669 skb_shinfo(skb)->frags[i].size,
1670 PCI_DMA_TODEVICE);
1671 }
1672
1673 sw_cons = NEXT_TX_BD(sw_cons);
1674
1675 tx_free_bd += last + 1;
1676
1677 dev_kfree_skb_irq(skb);
1678
1679 hw_cons = bp->hw_tx_cons =
1680 sblk->status_tx_quick_consumer_index0;
1681
1682 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1683 hw_cons++;
1684 }
1685 }
1686
1687 bp->tx_cons = sw_cons;
1688
1689 if (unlikely(netif_queue_stopped(bp->dev))) {
1690 spin_lock(&bp->tx_lock);
1691 if ((netif_queue_stopped(bp->dev)) &&
1692 (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)) {
1693
1694 netif_wake_queue(bp->dev);
1695 }
1696 spin_unlock(&bp->tx_lock);
1697 }
1698 }
1699
1700 static inline void
1701 bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
1702 u16 cons, u16 prod)
1703 {
1704 struct sw_bd *cons_rx_buf, *prod_rx_buf;
1705 struct rx_bd *cons_bd, *prod_bd;
1706
1707 cons_rx_buf = &bp->rx_buf_ring[cons];
1708 prod_rx_buf = &bp->rx_buf_ring[prod];
1709
1710 pci_dma_sync_single_for_device(bp->pdev,
1711 pci_unmap_addr(cons_rx_buf, mapping),
1712 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1713
1714 bp->rx_prod_bseq += bp->rx_buf_use_size;
1715
1716 prod_rx_buf->skb = skb;
1717
1718 if (cons == prod)
1719 return;
1720
1721 pci_unmap_addr_set(prod_rx_buf, mapping,
1722 pci_unmap_addr(cons_rx_buf, mapping));
1723
1724 cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
1725 prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
1726 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
1727 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
1728 }
1729
1730 static int
1731 bnx2_rx_int(struct bnx2 *bp, int budget)
1732 {
1733 struct status_block *sblk = bp->status_blk;
1734 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
1735 struct l2_fhdr *rx_hdr;
1736 int rx_pkt = 0;
1737
1738 hw_cons = bp->hw_rx_cons = sblk->status_rx_quick_consumer_index0;
1739 if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
1740 hw_cons++;
1741 }
1742 sw_cons = bp->rx_cons;
1743 sw_prod = bp->rx_prod;
1744
1745 /* Memory barrier necessary as speculative reads of the rx
1746 * buffer can be ahead of the index in the status block
1747 */
1748 rmb();
1749 while (sw_cons != hw_cons) {
1750 unsigned int len;
1751 u32 status;
1752 struct sw_bd *rx_buf;
1753 struct sk_buff *skb;
1754 dma_addr_t dma_addr;
1755
1756 sw_ring_cons = RX_RING_IDX(sw_cons);
1757 sw_ring_prod = RX_RING_IDX(sw_prod);
1758
1759 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
1760 skb = rx_buf->skb;
1761
1762 rx_buf->skb = NULL;
1763
1764 dma_addr = pci_unmap_addr(rx_buf, mapping);
1765
1766 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
1767 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1768
1769 rx_hdr = (struct l2_fhdr *) skb->data;
1770 len = rx_hdr->l2_fhdr_pkt_len - 4;
1771
1772 if ((status = rx_hdr->l2_fhdr_status) &
1773 (L2_FHDR_ERRORS_BAD_CRC |
1774 L2_FHDR_ERRORS_PHY_DECODE |
1775 L2_FHDR_ERRORS_ALIGNMENT |
1776 L2_FHDR_ERRORS_TOO_SHORT |
1777 L2_FHDR_ERRORS_GIANT_FRAME)) {
1778
1779 goto reuse_rx;
1780 }
1781
1782 /* Since we don't have a jumbo ring, copy small packets
1783 * if mtu > 1500
1784 */
1785 if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
1786 struct sk_buff *new_skb;
1787
1788 new_skb = dev_alloc_skb(len + 2);
1789 if (new_skb == NULL)
1790 goto reuse_rx;
1791
1792 /* aligned copy */
1793 memcpy(new_skb->data,
1794 skb->data + bp->rx_offset - 2,
1795 len + 2);
1796
1797 skb_reserve(new_skb, 2);
1798 skb_put(new_skb, len);
1799 new_skb->dev = bp->dev;
1800
1801 bnx2_reuse_rx_skb(bp, skb,
1802 sw_ring_cons, sw_ring_prod);
1803
1804 skb = new_skb;
1805 }
1806 else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
1807 pci_unmap_single(bp->pdev, dma_addr,
1808 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1809
1810 skb_reserve(skb, bp->rx_offset);
1811 skb_put(skb, len);
1812 }
1813 else {
1814 reuse_rx:
1815 bnx2_reuse_rx_skb(bp, skb,
1816 sw_ring_cons, sw_ring_prod);
1817 goto next_rx;
1818 }
1819
1820 skb->protocol = eth_type_trans(skb, bp->dev);
1821
1822 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
1823 (htons(skb->protocol) != 0x8100)) {
1824
1825 dev_kfree_skb_irq(skb);
1826 goto next_rx;
1827
1828 }
1829
1830 skb->ip_summed = CHECKSUM_NONE;
1831 if (bp->rx_csum &&
1832 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
1833 L2_FHDR_STATUS_UDP_DATAGRAM))) {
1834
1835 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
1836 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
1837 skb->ip_summed = CHECKSUM_UNNECESSARY;
1838 }
1839
1840 #ifdef BCM_VLAN
1841 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
1842 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1843 rx_hdr->l2_fhdr_vlan_tag);
1844 }
1845 else
1846 #endif
1847 netif_receive_skb(skb);
1848
1849 bp->dev->last_rx = jiffies;
1850 rx_pkt++;
1851
1852 next_rx:
1853 sw_cons = NEXT_RX_BD(sw_cons);
1854 sw_prod = NEXT_RX_BD(sw_prod);
1855
1856 if ((rx_pkt == budget))
1857 break;
1858
1859 /* Refresh hw_cons to see if there is new work */
1860 if (sw_cons == hw_cons) {
1861 hw_cons = bp->hw_rx_cons =
1862 sblk->status_rx_quick_consumer_index0;
1863 if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)
1864 hw_cons++;
1865 rmb();
1866 }
1867 }
1868 bp->rx_cons = sw_cons;
1869 bp->rx_prod = sw_prod;
1870
1871 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
1872
1873 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
1874
1875 mmiowb();
1876
1877 return rx_pkt;
1878
1879 }
1880
1881 /* MSI ISR - The only difference between this and the INTx ISR
1882 * is that the MSI interrupt is always serviced.
1883 */
1884 static irqreturn_t
1885 bnx2_msi(int irq, void *dev_instance, struct pt_regs *regs)
1886 {
1887 struct net_device *dev = dev_instance;
1888 struct bnx2 *bp = netdev_priv(dev);
1889
1890 prefetch(bp->status_blk);
1891 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1892 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1893 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1894
1895 /* Return here if interrupt is disabled. */
1896 if (unlikely(atomic_read(&bp->intr_sem) != 0))
1897 return IRQ_HANDLED;
1898
1899 netif_rx_schedule(dev);
1900
1901 return IRQ_HANDLED;
1902 }
1903
1904 static irqreturn_t
1905 bnx2_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
1906 {
1907 struct net_device *dev = dev_instance;
1908 struct bnx2 *bp = netdev_priv(dev);
1909
1910 /* When using INTx, it is possible for the interrupt to arrive
1911 * at the CPU before the status block posted prior to the
1912 * interrupt. Reading a register will flush the status block.
1913 * When using MSI, the MSI message will always complete after
1914 * the status block write.
1915 */
1916 if ((bp->status_blk->status_idx == bp->last_status_idx) &&
1917 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
1918 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
1919 return IRQ_NONE;
1920
1921 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1922 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1923 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1924
1925 /* Return here if interrupt is shared and is disabled. */
1926 if (unlikely(atomic_read(&bp->intr_sem) != 0))
1927 return IRQ_HANDLED;
1928
1929 netif_rx_schedule(dev);
1930
1931 return IRQ_HANDLED;
1932 }
1933
1934 static inline int
1935 bnx2_has_work(struct bnx2 *bp)
1936 {
1937 struct status_block *sblk = bp->status_blk;
1938
1939 if ((sblk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) ||
1940 (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons))
1941 return 1;
1942
1943 if (((sblk->status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) != 0) !=
1944 bp->link_up)
1945 return 1;
1946
1947 return 0;
1948 }
1949
1950 static int
1951 bnx2_poll(struct net_device *dev, int *budget)
1952 {
1953 struct bnx2 *bp = netdev_priv(dev);
1954
1955 if ((bp->status_blk->status_attn_bits &
1956 STATUS_ATTN_BITS_LINK_STATE) !=
1957 (bp->status_blk->status_attn_bits_ack &
1958 STATUS_ATTN_BITS_LINK_STATE)) {
1959
1960 spin_lock(&bp->phy_lock);
1961 bnx2_phy_int(bp);
1962 spin_unlock(&bp->phy_lock);
1963
1964 /* This is needed to take care of transient status
1965 * during link changes.
1966 */
1967 REG_WR(bp, BNX2_HC_COMMAND,
1968 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
1969 REG_RD(bp, BNX2_HC_COMMAND);
1970 }
1971
1972 if (bp->status_blk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)
1973 bnx2_tx_int(bp);
1974
1975 if (bp->status_blk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) {
1976 int orig_budget = *budget;
1977 int work_done;
1978
1979 if (orig_budget > dev->quota)
1980 orig_budget = dev->quota;
1981
1982 work_done = bnx2_rx_int(bp, orig_budget);
1983 *budget -= work_done;
1984 dev->quota -= work_done;
1985 }
1986
1987 bp->last_status_idx = bp->status_blk->status_idx;
1988 rmb();
1989
1990 if (!bnx2_has_work(bp)) {
1991 netif_rx_complete(dev);
1992 if (likely(bp->flags & USING_MSI_FLAG)) {
1993 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1994 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
1995 bp->last_status_idx);
1996 return 0;
1997 }
1998 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1999 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
2000 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
2001 bp->last_status_idx);
2002
2003 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2004 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
2005 bp->last_status_idx);
2006 return 0;
2007 }
2008
2009 return 1;
2010 }
2011
2012 /* Called with rtnl_lock from vlan functions and also dev->xmit_lock
2013 * from set_multicast.
2014 */
2015 static void
2016 bnx2_set_rx_mode(struct net_device *dev)
2017 {
2018 struct bnx2 *bp = netdev_priv(dev);
2019 u32 rx_mode, sort_mode;
2020 int i;
2021
2022 spin_lock_bh(&bp->phy_lock);
2023
2024 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
2025 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
2026 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
2027 #ifdef BCM_VLAN
2028 if (!bp->vlgrp && !(bp->flags & ASF_ENABLE_FLAG))
2029 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
2030 #else
2031 if (!(bp->flags & ASF_ENABLE_FLAG))
2032 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
2033 #endif
2034 if (dev->flags & IFF_PROMISC) {
2035 /* Promiscuous mode. */
2036 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
2037 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN;
2038 }
2039 else if (dev->flags & IFF_ALLMULTI) {
2040 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2041 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2042 0xffffffff);
2043 }
2044 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
2045 }
2046 else {
2047 /* Accept one or more multicast(s). */
2048 struct dev_mc_list *mclist;
2049 u32 mc_filter[NUM_MC_HASH_REGISTERS];
2050 u32 regidx;
2051 u32 bit;
2052 u32 crc;
2053
2054 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
2055
2056 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
2057 i++, mclist = mclist->next) {
2058
2059 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
2060 bit = crc & 0xff;
2061 regidx = (bit & 0xe0) >> 5;
2062 bit &= 0x1f;
2063 mc_filter[regidx] |= (1 << bit);
2064 }
2065
2066 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2067 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2068 mc_filter[i]);
2069 }
2070
2071 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
2072 }
2073
2074 if (rx_mode != bp->rx_mode) {
2075 bp->rx_mode = rx_mode;
2076 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
2077 }
2078
2079 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2080 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
2081 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
2082
2083 spin_unlock_bh(&bp->phy_lock);
2084 }
2085
2086 static void
2087 load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
2088 u32 rv2p_proc)
2089 {
2090 int i;
2091 u32 val;
2092
2093
2094 for (i = 0; i < rv2p_code_len; i += 8) {
2095 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, *rv2p_code);
2096 rv2p_code++;
2097 REG_WR(bp, BNX2_RV2P_INSTR_LOW, *rv2p_code);
2098 rv2p_code++;
2099
2100 if (rv2p_proc == RV2P_PROC1) {
2101 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
2102 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
2103 }
2104 else {
2105 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
2106 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
2107 }
2108 }
2109
2110 /* Reset the processor, un-stall is done later. */
2111 if (rv2p_proc == RV2P_PROC1) {
2112 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
2113 }
2114 else {
2115 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
2116 }
2117 }
2118
2119 static void
2120 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
2121 {
2122 u32 offset;
2123 u32 val;
2124
2125 /* Halt the CPU. */
2126 val = REG_RD_IND(bp, cpu_reg->mode);
2127 val |= cpu_reg->mode_value_halt;
2128 REG_WR_IND(bp, cpu_reg->mode, val);
2129 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
2130
2131 /* Load the Text area. */
2132 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
2133 if (fw->text) {
2134 int j;
2135
2136 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
2137 REG_WR_IND(bp, offset, fw->text[j]);
2138 }
2139 }
2140
2141 /* Load the Data area. */
2142 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
2143 if (fw->data) {
2144 int j;
2145
2146 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
2147 REG_WR_IND(bp, offset, fw->data[j]);
2148 }
2149 }
2150
2151 /* Load the SBSS area. */
2152 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
2153 if (fw->sbss) {
2154 int j;
2155
2156 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
2157 REG_WR_IND(bp, offset, fw->sbss[j]);
2158 }
2159 }
2160
2161 /* Load the BSS area. */
2162 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
2163 if (fw->bss) {
2164 int j;
2165
2166 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
2167 REG_WR_IND(bp, offset, fw->bss[j]);
2168 }
2169 }
2170
2171 /* Load the Read-Only area. */
2172 offset = cpu_reg->spad_base +
2173 (fw->rodata_addr - cpu_reg->mips_view_base);
2174 if (fw->rodata) {
2175 int j;
2176
2177 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
2178 REG_WR_IND(bp, offset, fw->rodata[j]);
2179 }
2180 }
2181
2182 /* Clear the pre-fetch instruction. */
2183 REG_WR_IND(bp, cpu_reg->inst, 0);
2184 REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
2185
2186 /* Start the CPU. */
2187 val = REG_RD_IND(bp, cpu_reg->mode);
2188 val &= ~cpu_reg->mode_value_halt;
2189 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
2190 REG_WR_IND(bp, cpu_reg->mode, val);
2191 }
2192
2193 static void
2194 bnx2_init_cpus(struct bnx2 *bp)
2195 {
2196 struct cpu_reg cpu_reg;
2197 struct fw_info fw;
2198
2199 /* Initialize the RV2P processor. */
2200 load_rv2p_fw(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), RV2P_PROC1);
2201 load_rv2p_fw(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), RV2P_PROC2);
2202
2203 /* Initialize the RX Processor. */
2204 cpu_reg.mode = BNX2_RXP_CPU_MODE;
2205 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
2206 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
2207 cpu_reg.state = BNX2_RXP_CPU_STATE;
2208 cpu_reg.state_value_clear = 0xffffff;
2209 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
2210 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
2211 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
2212 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
2213 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
2214 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
2215 cpu_reg.mips_view_base = 0x8000000;
2216
2217 fw.ver_major = bnx2_RXP_b06FwReleaseMajor;
2218 fw.ver_minor = bnx2_RXP_b06FwReleaseMinor;
2219 fw.ver_fix = bnx2_RXP_b06FwReleaseFix;
2220 fw.start_addr = bnx2_RXP_b06FwStartAddr;
2221
2222 fw.text_addr = bnx2_RXP_b06FwTextAddr;
2223 fw.text_len = bnx2_RXP_b06FwTextLen;
2224 fw.text_index = 0;
2225 fw.text = bnx2_RXP_b06FwText;
2226
2227 fw.data_addr = bnx2_RXP_b06FwDataAddr;
2228 fw.data_len = bnx2_RXP_b06FwDataLen;
2229 fw.data_index = 0;
2230 fw.data = bnx2_RXP_b06FwData;
2231
2232 fw.sbss_addr = bnx2_RXP_b06FwSbssAddr;
2233 fw.sbss_len = bnx2_RXP_b06FwSbssLen;
2234 fw.sbss_index = 0;
2235 fw.sbss = bnx2_RXP_b06FwSbss;
2236
2237 fw.bss_addr = bnx2_RXP_b06FwBssAddr;
2238 fw.bss_len = bnx2_RXP_b06FwBssLen;
2239 fw.bss_index = 0;
2240 fw.bss = bnx2_RXP_b06FwBss;
2241
2242 fw.rodata_addr = bnx2_RXP_b06FwRodataAddr;
2243 fw.rodata_len = bnx2_RXP_b06FwRodataLen;
2244 fw.rodata_index = 0;
2245 fw.rodata = bnx2_RXP_b06FwRodata;
2246
2247 load_cpu_fw(bp, &cpu_reg, &fw);
2248
2249 /* Initialize the TX Processor. */
2250 cpu_reg.mode = BNX2_TXP_CPU_MODE;
2251 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
2252 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
2253 cpu_reg.state = BNX2_TXP_CPU_STATE;
2254 cpu_reg.state_value_clear = 0xffffff;
2255 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
2256 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
2257 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
2258 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
2259 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
2260 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
2261 cpu_reg.mips_view_base = 0x8000000;
2262
2263 fw.ver_major = bnx2_TXP_b06FwReleaseMajor;
2264 fw.ver_minor = bnx2_TXP_b06FwReleaseMinor;
2265 fw.ver_fix = bnx2_TXP_b06FwReleaseFix;
2266 fw.start_addr = bnx2_TXP_b06FwStartAddr;
2267
2268 fw.text_addr = bnx2_TXP_b06FwTextAddr;
2269 fw.text_len = bnx2_TXP_b06FwTextLen;
2270 fw.text_index = 0;
2271 fw.text = bnx2_TXP_b06FwText;
2272
2273 fw.data_addr = bnx2_TXP_b06FwDataAddr;
2274 fw.data_len = bnx2_TXP_b06FwDataLen;
2275 fw.data_index = 0;
2276 fw.data = bnx2_TXP_b06FwData;
2277
2278 fw.sbss_addr = bnx2_TXP_b06FwSbssAddr;
2279 fw.sbss_len = bnx2_TXP_b06FwSbssLen;
2280 fw.sbss_index = 0;
2281 fw.sbss = bnx2_TXP_b06FwSbss;
2282
2283 fw.bss_addr = bnx2_TXP_b06FwBssAddr;
2284 fw.bss_len = bnx2_TXP_b06FwBssLen;
2285 fw.bss_index = 0;
2286 fw.bss = bnx2_TXP_b06FwBss;
2287
2288 fw.rodata_addr = bnx2_TXP_b06FwRodataAddr;
2289 fw.rodata_len = bnx2_TXP_b06FwRodataLen;
2290 fw.rodata_index = 0;
2291 fw.rodata = bnx2_TXP_b06FwRodata;
2292
2293 load_cpu_fw(bp, &cpu_reg, &fw);
2294
2295 /* Initialize the TX Patch-up Processor. */
2296 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
2297 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
2298 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
2299 cpu_reg.state = BNX2_TPAT_CPU_STATE;
2300 cpu_reg.state_value_clear = 0xffffff;
2301 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
2302 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
2303 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
2304 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
2305 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
2306 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
2307 cpu_reg.mips_view_base = 0x8000000;
2308
2309 fw.ver_major = bnx2_TPAT_b06FwReleaseMajor;
2310 fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor;
2311 fw.ver_fix = bnx2_TPAT_b06FwReleaseFix;
2312 fw.start_addr = bnx2_TPAT_b06FwStartAddr;
2313
2314 fw.text_addr = bnx2_TPAT_b06FwTextAddr;
2315 fw.text_len = bnx2_TPAT_b06FwTextLen;
2316 fw.text_index = 0;
2317 fw.text = bnx2_TPAT_b06FwText;
2318
2319 fw.data_addr = bnx2_TPAT_b06FwDataAddr;
2320 fw.data_len = bnx2_TPAT_b06FwDataLen;
2321 fw.data_index = 0;
2322 fw.data = bnx2_TPAT_b06FwData;
2323
2324 fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr;
2325 fw.sbss_len = bnx2_TPAT_b06FwSbssLen;
2326 fw.sbss_index = 0;
2327 fw.sbss = bnx2_TPAT_b06FwSbss;
2328
2329 fw.bss_addr = bnx2_TPAT_b06FwBssAddr;
2330 fw.bss_len = bnx2_TPAT_b06FwBssLen;
2331 fw.bss_index = 0;
2332 fw.bss = bnx2_TPAT_b06FwBss;
2333
2334 fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr;
2335 fw.rodata_len = bnx2_TPAT_b06FwRodataLen;
2336 fw.rodata_index = 0;
2337 fw.rodata = bnx2_TPAT_b06FwRodata;
2338
2339 load_cpu_fw(bp, &cpu_reg, &fw);
2340
2341 /* Initialize the Completion Processor. */
2342 cpu_reg.mode = BNX2_COM_CPU_MODE;
2343 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
2344 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
2345 cpu_reg.state = BNX2_COM_CPU_STATE;
2346 cpu_reg.state_value_clear = 0xffffff;
2347 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
2348 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
2349 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
2350 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
2351 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
2352 cpu_reg.spad_base = BNX2_COM_SCRATCH;
2353 cpu_reg.mips_view_base = 0x8000000;
2354
2355 fw.ver_major = bnx2_COM_b06FwReleaseMajor;
2356 fw.ver_minor = bnx2_COM_b06FwReleaseMinor;
2357 fw.ver_fix = bnx2_COM_b06FwReleaseFix;
2358 fw.start_addr = bnx2_COM_b06FwStartAddr;
2359
2360 fw.text_addr = bnx2_COM_b06FwTextAddr;
2361 fw.text_len = bnx2_COM_b06FwTextLen;
2362 fw.text_index = 0;
2363 fw.text = bnx2_COM_b06FwText;
2364
2365 fw.data_addr = bnx2_COM_b06FwDataAddr;
2366 fw.data_len = bnx2_COM_b06FwDataLen;
2367 fw.data_index = 0;
2368 fw.data = bnx2_COM_b06FwData;
2369
2370 fw.sbss_addr = bnx2_COM_b06FwSbssAddr;
2371 fw.sbss_len = bnx2_COM_b06FwSbssLen;
2372 fw.sbss_index = 0;
2373 fw.sbss = bnx2_COM_b06FwSbss;
2374
2375 fw.bss_addr = bnx2_COM_b06FwBssAddr;
2376 fw.bss_len = bnx2_COM_b06FwBssLen;
2377 fw.bss_index = 0;
2378 fw.bss = bnx2_COM_b06FwBss;
2379
2380 fw.rodata_addr = bnx2_COM_b06FwRodataAddr;
2381 fw.rodata_len = bnx2_COM_b06FwRodataLen;
2382 fw.rodata_index = 0;
2383 fw.rodata = bnx2_COM_b06FwRodata;
2384
2385 load_cpu_fw(bp, &cpu_reg, &fw);
2386
2387 }
2388
2389 static int
2390 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
2391 {
2392 u16 pmcsr;
2393
2394 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
2395
2396 switch (state) {
2397 case PCI_D0: {
2398 u32 val;
2399
2400 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2401 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
2402 PCI_PM_CTRL_PME_STATUS);
2403
2404 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
2405 /* delay required during transition out of D3hot */
2406 msleep(20);
2407
2408 val = REG_RD(bp, BNX2_EMAC_MODE);
2409 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
2410 val &= ~BNX2_EMAC_MODE_MPKT;
2411 REG_WR(bp, BNX2_EMAC_MODE, val);
2412
2413 val = REG_RD(bp, BNX2_RPM_CONFIG);
2414 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2415 REG_WR(bp, BNX2_RPM_CONFIG, val);
2416 break;
2417 }
2418 case PCI_D3hot: {
2419 int i;
2420 u32 val, wol_msg;
2421
2422 if (bp->wol) {
2423 u32 advertising;
2424 u8 autoneg;
2425
2426 autoneg = bp->autoneg;
2427 advertising = bp->advertising;
2428
2429 bp->autoneg = AUTONEG_SPEED;
2430 bp->advertising = ADVERTISED_10baseT_Half |
2431 ADVERTISED_10baseT_Full |
2432 ADVERTISED_100baseT_Half |
2433 ADVERTISED_100baseT_Full |
2434 ADVERTISED_Autoneg;
2435
2436 bnx2_setup_copper_phy(bp);
2437
2438 bp->autoneg = autoneg;
2439 bp->advertising = advertising;
2440
2441 bnx2_set_mac_addr(bp);
2442
2443 val = REG_RD(bp, BNX2_EMAC_MODE);
2444
2445 /* Enable port mode. */
2446 val &= ~BNX2_EMAC_MODE_PORT;
2447 val |= BNX2_EMAC_MODE_PORT_MII |
2448 BNX2_EMAC_MODE_MPKT_RCVD |
2449 BNX2_EMAC_MODE_ACPI_RCVD |
2450 BNX2_EMAC_MODE_MPKT;
2451
2452 REG_WR(bp, BNX2_EMAC_MODE, val);
2453
2454 /* receive all multicast */
2455 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2456 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2457 0xffffffff);
2458 }
2459 REG_WR(bp, BNX2_EMAC_RX_MODE,
2460 BNX2_EMAC_RX_MODE_SORT_MODE);
2461
2462 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
2463 BNX2_RPM_SORT_USER0_MC_EN;
2464 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2465 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
2466 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
2467 BNX2_RPM_SORT_USER0_ENA);
2468
2469 /* Need to enable EMAC and RPM for WOL. */
2470 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2471 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
2472 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
2473 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
2474
2475 val = REG_RD(bp, BNX2_RPM_CONFIG);
2476 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2477 REG_WR(bp, BNX2_RPM_CONFIG, val);
2478
2479 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
2480 }
2481 else {
2482 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
2483 }
2484
2485 if (!(bp->flags & NO_WOL_FLAG))
2486 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
2487
2488 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
2489 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2490 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
2491
2492 if (bp->wol)
2493 pmcsr |= 3;
2494 }
2495 else {
2496 pmcsr |= 3;
2497 }
2498 if (bp->wol) {
2499 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
2500 }
2501 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2502 pmcsr);
2503
2504 /* No more memory access after this point until
2505 * device is brought back to D0.
2506 */
2507 udelay(50);
2508 break;
2509 }
2510 default:
2511 return -EINVAL;
2512 }
2513 return 0;
2514 }
2515
2516 static int
2517 bnx2_acquire_nvram_lock(struct bnx2 *bp)
2518 {
2519 u32 val;
2520 int j;
2521
2522 /* Request access to the flash interface. */
2523 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
2524 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2525 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2526 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
2527 break;
2528
2529 udelay(5);
2530 }
2531
2532 if (j >= NVRAM_TIMEOUT_COUNT)
2533 return -EBUSY;
2534
2535 return 0;
2536 }
2537
2538 static int
2539 bnx2_release_nvram_lock(struct bnx2 *bp)
2540 {
2541 int j;
2542 u32 val;
2543
2544 /* Relinquish nvram interface. */
2545 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
2546
2547 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2548 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2549 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
2550 break;
2551
2552 udelay(5);
2553 }
2554
2555 if (j >= NVRAM_TIMEOUT_COUNT)
2556 return -EBUSY;
2557
2558 return 0;
2559 }
2560
2561
2562 static int
2563 bnx2_enable_nvram_write(struct bnx2 *bp)
2564 {
2565 u32 val;
2566
2567 val = REG_RD(bp, BNX2_MISC_CFG);
2568 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
2569
2570 if (!bp->flash_info->buffered) {
2571 int j;
2572
2573 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2574 REG_WR(bp, BNX2_NVM_COMMAND,
2575 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
2576
2577 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2578 udelay(5);
2579
2580 val = REG_RD(bp, BNX2_NVM_COMMAND);
2581 if (val & BNX2_NVM_COMMAND_DONE)
2582 break;
2583 }
2584
2585 if (j >= NVRAM_TIMEOUT_COUNT)
2586 return -EBUSY;
2587 }
2588 return 0;
2589 }
2590
2591 static void
2592 bnx2_disable_nvram_write(struct bnx2 *bp)
2593 {
2594 u32 val;
2595
2596 val = REG_RD(bp, BNX2_MISC_CFG);
2597 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
2598 }
2599
2600
2601 static void
2602 bnx2_enable_nvram_access(struct bnx2 *bp)
2603 {
2604 u32 val;
2605
2606 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2607 /* Enable both bits, even on read. */
2608 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2609 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
2610 }
2611
2612 static void
2613 bnx2_disable_nvram_access(struct bnx2 *bp)
2614 {
2615 u32 val;
2616
2617 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2618 /* Disable both bits, even after read. */
2619 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2620 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
2621 BNX2_NVM_ACCESS_ENABLE_WR_EN));
2622 }
2623
2624 static int
2625 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
2626 {
2627 u32 cmd;
2628 int j;
2629
2630 if (bp->flash_info->buffered)
2631 /* Buffered flash, no erase needed */
2632 return 0;
2633
2634 /* Build an erase command */
2635 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
2636 BNX2_NVM_COMMAND_DOIT;
2637
2638 /* Need to clear DONE bit separately. */
2639 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2640
2641 /* Address of the NVRAM to read from. */
2642 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2643
2644 /* Issue an erase command. */
2645 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2646
2647 /* Wait for completion. */
2648 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2649 u32 val;
2650
2651 udelay(5);
2652
2653 val = REG_RD(bp, BNX2_NVM_COMMAND);
2654 if (val & BNX2_NVM_COMMAND_DONE)
2655 break;
2656 }
2657
2658 if (j >= NVRAM_TIMEOUT_COUNT)
2659 return -EBUSY;
2660
2661 return 0;
2662 }
2663
2664 static int
2665 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
2666 {
2667 u32 cmd;
2668 int j;
2669
2670 /* Build the command word. */
2671 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
2672
2673 /* Calculate an offset of a buffered flash. */
2674 if (bp->flash_info->buffered) {
2675 offset = ((offset / bp->flash_info->page_size) <<
2676 bp->flash_info->page_bits) +
2677 (offset % bp->flash_info->page_size);
2678 }
2679
2680 /* Need to clear DONE bit separately. */
2681 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2682
2683 /* Address of the NVRAM to read from. */
2684 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2685
2686 /* Issue a read command. */
2687 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2688
2689 /* Wait for completion. */
2690 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2691 u32 val;
2692
2693 udelay(5);
2694
2695 val = REG_RD(bp, BNX2_NVM_COMMAND);
2696 if (val & BNX2_NVM_COMMAND_DONE) {
2697 val = REG_RD(bp, BNX2_NVM_READ);
2698
2699 val = be32_to_cpu(val);
2700 memcpy(ret_val, &val, 4);
2701 break;
2702 }
2703 }
2704 if (j >= NVRAM_TIMEOUT_COUNT)
2705 return -EBUSY;
2706
2707 return 0;
2708 }
2709
2710
2711 static int
2712 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
2713 {
2714 u32 cmd, val32;
2715 int j;
2716
2717 /* Build the command word. */
2718 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
2719
2720 /* Calculate an offset of a buffered flash. */
2721 if (bp->flash_info->buffered) {
2722 offset = ((offset / bp->flash_info->page_size) <<
2723 bp->flash_info->page_bits) +
2724 (offset % bp->flash_info->page_size);
2725 }
2726
2727 /* Need to clear DONE bit separately. */
2728 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2729
2730 memcpy(&val32, val, 4);
2731 val32 = cpu_to_be32(val32);
2732
2733 /* Write the data. */
2734 REG_WR(bp, BNX2_NVM_WRITE, val32);
2735
2736 /* Address of the NVRAM to write to. */
2737 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2738
2739 /* Issue the write command. */
2740 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2741
2742 /* Wait for completion. */
2743 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2744 udelay(5);
2745
2746 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
2747 break;
2748 }
2749 if (j >= NVRAM_TIMEOUT_COUNT)
2750 return -EBUSY;
2751
2752 return 0;
2753 }
2754
2755 static int
2756 bnx2_init_nvram(struct bnx2 *bp)
2757 {
2758 u32 val;
2759 int j, entry_count, rc;
2760 struct flash_spec *flash;
2761
2762 /* Determine the selected interface. */
2763 val = REG_RD(bp, BNX2_NVM_CFG1);
2764
2765 entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
2766
2767 rc = 0;
2768 if (val & 0x40000000) {
2769
2770 /* Flash interface has been reconfigured */
2771 for (j = 0, flash = &flash_table[0]; j < entry_count;
2772 j++, flash++) {
2773 if ((val & FLASH_BACKUP_STRAP_MASK) ==
2774 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
2775 bp->flash_info = flash;
2776 break;
2777 }
2778 }
2779 }
2780 else {
2781 u32 mask;
2782 /* Not yet been reconfigured */
2783
2784 if (val & (1 << 23))
2785 mask = FLASH_BACKUP_STRAP_MASK;
2786 else
2787 mask = FLASH_STRAP_MASK;
2788
2789 for (j = 0, flash = &flash_table[0]; j < entry_count;
2790 j++, flash++) {
2791
2792 if ((val & mask) == (flash->strapping & mask)) {
2793 bp->flash_info = flash;
2794
2795 /* Request access to the flash interface. */
2796 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2797 return rc;
2798
2799 /* Enable access to flash interface */
2800 bnx2_enable_nvram_access(bp);
2801
2802 /* Reconfigure the flash interface */
2803 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
2804 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
2805 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
2806 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
2807
2808 /* Disable access to flash interface */
2809 bnx2_disable_nvram_access(bp);
2810 bnx2_release_nvram_lock(bp);
2811
2812 break;
2813 }
2814 }
2815 } /* if (val & 0x40000000) */
2816
2817 if (j == entry_count) {
2818 bp->flash_info = NULL;
2819 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
2820 return -ENODEV;
2821 }
2822
2823 val = REG_RD_IND(bp, bp->shmem_base + BNX2_SHARED_HW_CFG_CONFIG2);
2824 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
2825 if (val)
2826 bp->flash_size = val;
2827 else
2828 bp->flash_size = bp->flash_info->total_size;
2829
2830 return rc;
2831 }
2832
2833 static int
2834 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
2835 int buf_size)
2836 {
2837 int rc = 0;
2838 u32 cmd_flags, offset32, len32, extra;
2839
2840 if (buf_size == 0)
2841 return 0;
2842
2843 /* Request access to the flash interface. */
2844 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2845 return rc;
2846
2847 /* Enable access to flash interface */
2848 bnx2_enable_nvram_access(bp);
2849
2850 len32 = buf_size;
2851 offset32 = offset;
2852 extra = 0;
2853
2854 cmd_flags = 0;
2855
2856 if (offset32 & 3) {
2857 u8 buf[4];
2858 u32 pre_len;
2859
2860 offset32 &= ~3;
2861 pre_len = 4 - (offset & 3);
2862
2863 if (pre_len >= len32) {
2864 pre_len = len32;
2865 cmd_flags = BNX2_NVM_COMMAND_FIRST |
2866 BNX2_NVM_COMMAND_LAST;
2867 }
2868 else {
2869 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2870 }
2871
2872 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2873
2874 if (rc)
2875 return rc;
2876
2877 memcpy(ret_buf, buf + (offset & 3), pre_len);
2878
2879 offset32 += 4;
2880 ret_buf += pre_len;
2881 len32 -= pre_len;
2882 }
2883 if (len32 & 3) {
2884 extra = 4 - (len32 & 3);
2885 len32 = (len32 + 4) & ~3;
2886 }
2887
2888 if (len32 == 4) {
2889 u8 buf[4];
2890
2891 if (cmd_flags)
2892 cmd_flags = BNX2_NVM_COMMAND_LAST;
2893 else
2894 cmd_flags = BNX2_NVM_COMMAND_FIRST |
2895 BNX2_NVM_COMMAND_LAST;
2896
2897 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2898
2899 memcpy(ret_buf, buf, 4 - extra);
2900 }
2901 else if (len32 > 0) {
2902 u8 buf[4];
2903
2904 /* Read the first word. */
2905 if (cmd_flags)
2906 cmd_flags = 0;
2907 else
2908 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2909
2910 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
2911
2912 /* Advance to the next dword. */
2913 offset32 += 4;
2914 ret_buf += 4;
2915 len32 -= 4;
2916
2917 while (len32 > 4 && rc == 0) {
2918 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
2919
2920 /* Advance to the next dword. */
2921 offset32 += 4;
2922 ret_buf += 4;
2923 len32 -= 4;
2924 }
2925
2926 if (rc)
2927 return rc;
2928
2929 cmd_flags = BNX2_NVM_COMMAND_LAST;
2930 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2931
2932 memcpy(ret_buf, buf, 4 - extra);
2933 }
2934
2935 /* Disable access to flash interface */
2936 bnx2_disable_nvram_access(bp);
2937
2938 bnx2_release_nvram_lock(bp);
2939
2940 return rc;
2941 }
2942
2943 static int
2944 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
2945 int buf_size)
2946 {
2947 u32 written, offset32, len32;
2948 u8 *buf, start[4], end[4], *flash_buffer = NULL;
2949 int rc = 0;
2950 int align_start, align_end;
2951
2952 buf = data_buf;
2953 offset32 = offset;
2954 len32 = buf_size;
2955 align_start = align_end = 0;
2956
2957 if ((align_start = (offset32 & 3))) {
2958 offset32 &= ~3;
2959 len32 += align_start;
2960 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
2961 return rc;
2962 }
2963
2964 if (len32 & 3) {
2965 if ((len32 > 4) || !align_start) {
2966 align_end = 4 - (len32 & 3);
2967 len32 += align_end;
2968 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4,
2969 end, 4))) {
2970 return rc;
2971 }
2972 }
2973 }
2974
2975 if (align_start || align_end) {
2976 buf = kmalloc(len32, GFP_KERNEL);
2977 if (buf == 0)
2978 return -ENOMEM;
2979 if (align_start) {
2980 memcpy(buf, start, 4);
2981 }
2982 if (align_end) {
2983 memcpy(buf + len32 - 4, end, 4);
2984 }
2985 memcpy(buf + align_start, data_buf, buf_size);
2986 }
2987
2988 if (bp->flash_info->buffered == 0) {
2989 flash_buffer = kmalloc(264, GFP_KERNEL);
2990 if (flash_buffer == NULL) {
2991 rc = -ENOMEM;
2992 goto nvram_write_end;
2993 }
2994 }
2995
2996 written = 0;
2997 while ((written < len32) && (rc == 0)) {
2998 u32 page_start, page_end, data_start, data_end;
2999 u32 addr, cmd_flags;
3000 int i;
3001
3002 /* Find the page_start addr */
3003 page_start = offset32 + written;
3004 page_start -= (page_start % bp->flash_info->page_size);
3005 /* Find the page_end addr */
3006 page_end = page_start + bp->flash_info->page_size;
3007 /* Find the data_start addr */
3008 data_start = (written == 0) ? offset32 : page_start;
3009 /* Find the data_end addr */
3010 data_end = (page_end > offset32 + len32) ?
3011 (offset32 + len32) : page_end;
3012
3013 /* Request access to the flash interface. */
3014 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3015 goto nvram_write_end;
3016
3017 /* Enable access to flash interface */
3018 bnx2_enable_nvram_access(bp);
3019
3020 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3021 if (bp->flash_info->buffered == 0) {
3022 int j;
3023
3024 /* Read the whole page into the buffer
3025 * (non-buffer flash only) */
3026 for (j = 0; j < bp->flash_info->page_size; j += 4) {
3027 if (j == (bp->flash_info->page_size - 4)) {
3028 cmd_flags |= BNX2_NVM_COMMAND_LAST;
3029 }
3030 rc = bnx2_nvram_read_dword(bp,
3031 page_start + j,
3032 &flash_buffer[j],
3033 cmd_flags);
3034
3035 if (rc)
3036 goto nvram_write_end;
3037
3038 cmd_flags = 0;
3039 }
3040 }
3041
3042 /* Enable writes to flash interface (unlock write-protect) */
3043 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
3044 goto nvram_write_end;
3045
3046 /* Erase the page */
3047 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
3048 goto nvram_write_end;
3049
3050 /* Re-enable the write again for the actual write */
3051 bnx2_enable_nvram_write(bp);
3052
3053 /* Loop to write back the buffer data from page_start to
3054 * data_start */
3055 i = 0;
3056 if (bp->flash_info->buffered == 0) {
3057 for (addr = page_start; addr < data_start;
3058 addr += 4, i += 4) {
3059
3060 rc = bnx2_nvram_write_dword(bp, addr,
3061 &flash_buffer[i], cmd_flags);
3062
3063 if (rc != 0)
3064 goto nvram_write_end;
3065
3066 cmd_flags = 0;
3067 }
3068 }
3069
3070 /* Loop to write the new data from data_start to data_end */
3071 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
3072 if ((addr == page_end - 4) ||
3073 ((bp->flash_info->buffered) &&
3074 (addr == data_end - 4))) {
3075
3076 cmd_flags |= BNX2_NVM_COMMAND_LAST;
3077 }
3078 rc = bnx2_nvram_write_dword(bp, addr, buf,
3079 cmd_flags);
3080
3081 if (rc != 0)
3082 goto nvram_write_end;
3083
3084 cmd_flags = 0;
3085 buf += 4;
3086 }
3087
3088 /* Loop to write back the buffer data from data_end
3089 * to page_end */
3090 if (bp->flash_info->buffered == 0) {
3091 for (addr = data_end; addr < page_end;
3092 addr += 4, i += 4) {
3093
3094 if (addr == page_end-4) {
3095 cmd_flags = BNX2_NVM_COMMAND_LAST;
3096 }
3097 rc = bnx2_nvram_write_dword(bp, addr,
3098 &flash_buffer[i], cmd_flags);
3099
3100 if (rc != 0)
3101 goto nvram_write_end;
3102
3103 cmd_flags = 0;
3104 }
3105 }
3106
3107 /* Disable writes to flash interface (lock write-protect) */
3108 bnx2_disable_nvram_write(bp);
3109
3110 /* Disable access to flash interface */
3111 bnx2_disable_nvram_access(bp);
3112 bnx2_release_nvram_lock(bp);
3113
3114 /* Increment written */
3115 written += data_end - data_start;
3116 }
3117
3118 nvram_write_end:
3119 if (bp->flash_info->buffered == 0)
3120 kfree(flash_buffer);
3121
3122 if (align_start || align_end)
3123 kfree(buf);
3124 return rc;
3125 }
3126
3127 static int
3128 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
3129 {
3130 u32 val;
3131 int i, rc = 0;
3132
3133 /* Wait for the current PCI transaction to complete before
3134 * issuing a reset. */
3135 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
3136 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
3137 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
3138 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
3139 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
3140 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
3141 udelay(5);
3142
3143 /* Wait for the firmware to tell us it is ok to issue a reset. */
3144 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
3145
3146 /* Deposit a driver reset signature so the firmware knows that
3147 * this is a soft reset. */
3148 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
3149 BNX2_DRV_RESET_SIGNATURE_MAGIC);
3150
3151 /* Do a dummy read to force the chip to complete all current transaction
3152 * before we issue a reset. */
3153 val = REG_RD(bp, BNX2_MISC_ID);
3154
3155 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3156 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
3157 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3158
3159 /* Chip reset. */
3160 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
3161
3162 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3163 (CHIP_ID(bp) == CHIP_ID_5706_A1))
3164 msleep(15);
3165
3166 /* Reset takes approximate 30 usec */
3167 for (i = 0; i < 10; i++) {
3168 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
3169 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3170 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) {
3171 break;
3172 }
3173 udelay(10);
3174 }
3175
3176 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3177 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
3178 printk(KERN_ERR PFX "Chip reset did not complete\n");
3179 return -EBUSY;
3180 }
3181
3182 /* Make sure byte swapping is properly configured. */
3183 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
3184 if (val != 0x01020304) {
3185 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
3186 return -ENODEV;
3187 }
3188
3189 /* Wait for the firmware to finish its initialization. */
3190 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
3191 if (rc)
3192 return rc;
3193
3194 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
3195 /* Adjust the voltage regular to two steps lower. The default
3196 * of this register is 0x0000000e. */
3197 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
3198
3199 /* Remove bad rbuf memory from the free pool. */
3200 rc = bnx2_alloc_bad_rbuf(bp);
3201 }
3202
3203 return rc;
3204 }
3205
3206 static int
3207 bnx2_init_chip(struct bnx2 *bp)
3208 {
3209 u32 val;
3210 int rc;
3211
3212 /* Make sure the interrupt is not active. */
3213 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3214
3215 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
3216 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
3217 #ifdef __BIG_ENDIAN
3218 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
3219 #endif
3220 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
3221 DMA_READ_CHANS << 12 |
3222 DMA_WRITE_CHANS << 16;
3223
3224 val |= (0x2 << 20) | (1 << 11);
3225
3226 if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz == 133))
3227 val |= (1 << 23);
3228
3229 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
3230 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
3231 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
3232
3233 REG_WR(bp, BNX2_DMA_CONFIG, val);
3234
3235 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
3236 val = REG_RD(bp, BNX2_TDMA_CONFIG);
3237 val |= BNX2_TDMA_CONFIG_ONE_DMA;
3238 REG_WR(bp, BNX2_TDMA_CONFIG, val);
3239 }
3240
3241 if (bp->flags & PCIX_FLAG) {
3242 u16 val16;
3243
3244 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
3245 &val16);
3246 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
3247 val16 & ~PCI_X_CMD_ERO);
3248 }
3249
3250 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3251 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
3252 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
3253 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
3254
3255 /* Initialize context mapping and zero out the quick contexts. The
3256 * context block must have already been enabled. */
3257 bnx2_init_context(bp);
3258
3259 bnx2_init_cpus(bp);
3260 bnx2_init_nvram(bp);
3261
3262 bnx2_set_mac_addr(bp);
3263
3264 val = REG_RD(bp, BNX2_MQ_CONFIG);
3265 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
3266 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
3267 REG_WR(bp, BNX2_MQ_CONFIG, val);
3268
3269 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
3270 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
3271 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
3272
3273 val = (BCM_PAGE_BITS - 8) << 24;
3274 REG_WR(bp, BNX2_RV2P_CONFIG, val);
3275
3276 /* Configure page size. */
3277 val = REG_RD(bp, BNX2_TBDR_CONFIG);
3278 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
3279 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
3280 REG_WR(bp, BNX2_TBDR_CONFIG, val);
3281
3282 val = bp->mac_addr[0] +
3283 (bp->mac_addr[1] << 8) +
3284 (bp->mac_addr[2] << 16) +
3285 bp->mac_addr[3] +
3286 (bp->mac_addr[4] << 8) +
3287 (bp->mac_addr[5] << 16);
3288 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
3289
3290 /* Program the MTU. Also include 4 bytes for CRC32. */
3291 val = bp->dev->mtu + ETH_HLEN + 4;
3292 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
3293 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
3294 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
3295
3296 bp->last_status_idx = 0;
3297 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
3298
3299 /* Set up how to generate a link change interrupt. */
3300 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
3301
3302 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
3303 (u64) bp->status_blk_mapping & 0xffffffff);
3304 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
3305
3306 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
3307 (u64) bp->stats_blk_mapping & 0xffffffff);
3308 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
3309 (u64) bp->stats_blk_mapping >> 32);
3310
3311 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
3312 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
3313
3314 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
3315 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
3316
3317 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
3318 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
3319
3320 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
3321
3322 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
3323
3324 REG_WR(bp, BNX2_HC_COM_TICKS,
3325 (bp->com_ticks_int << 16) | bp->com_ticks);
3326
3327 REG_WR(bp, BNX2_HC_CMD_TICKS,
3328 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
3329
3330 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
3331 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
3332
3333 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
3334 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_COLLECT_STATS);
3335 else {
3336 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_RX_TMR_MODE |
3337 BNX2_HC_CONFIG_TX_TMR_MODE |
3338 BNX2_HC_CONFIG_COLLECT_STATS);
3339 }
3340
3341 /* Clear internal stats counters. */
3342 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
3343
3344 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
3345
3346 if (REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE) &
3347 BNX2_PORT_FEATURE_ASF_ENABLED)
3348 bp->flags |= ASF_ENABLE_FLAG;
3349
3350 /* Initialize the receive filter. */
3351 bnx2_set_rx_mode(bp->dev);
3352
3353 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
3354 0);
3355
3356 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
3357 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
3358
3359 udelay(20);
3360
3361 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
3362
3363 return rc;
3364 }
3365
3366
3367 static void
3368 bnx2_init_tx_ring(struct bnx2 *bp)
3369 {
3370 struct tx_bd *txbd;
3371 u32 val;
3372
3373 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
3374
3375 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
3376 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
3377
3378 bp->tx_prod = 0;
3379 bp->tx_cons = 0;
3380 bp->hw_tx_cons = 0;
3381 bp->tx_prod_bseq = 0;
3382
3383 val = BNX2_L2CTX_TYPE_TYPE_L2;
3384 val |= BNX2_L2CTX_TYPE_SIZE_L2;
3385 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val);
3386
3387 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2;
3388 val |= 8 << 16;
3389 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val);
3390
3391 val = (u64) bp->tx_desc_mapping >> 32;
3392 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val);
3393
3394 val = (u64) bp->tx_desc_mapping & 0xffffffff;
3395 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val);
3396 }
3397
3398 static void
3399 bnx2_init_rx_ring(struct bnx2 *bp)
3400 {
3401 struct rx_bd *rxbd;
3402 int i;
3403 u16 prod, ring_prod;
3404 u32 val;
3405
3406 /* 8 for CRC and VLAN */
3407 bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
3408 /* 8 for alignment */
3409 bp->rx_buf_size = bp->rx_buf_use_size + 8;
3410
3411 ring_prod = prod = bp->rx_prod = 0;
3412 bp->rx_cons = 0;
3413 bp->hw_rx_cons = 0;
3414 bp->rx_prod_bseq = 0;
3415
3416 for (i = 0; i < bp->rx_max_ring; i++) {
3417 int j;
3418
3419 rxbd = &bp->rx_desc_ring[i][0];
3420 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
3421 rxbd->rx_bd_len = bp->rx_buf_use_size;
3422 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
3423 }
3424 if (i == (bp->rx_max_ring - 1))
3425 j = 0;
3426 else
3427 j = i + 1;
3428 rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping[j] >> 32;
3429 rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping[j] &
3430 0xffffffff;
3431 }
3432
3433 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
3434 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
3435 val |= 0x02 << 8;
3436 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
3437
3438 val = (u64) bp->rx_desc_mapping[0] >> 32;
3439 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);
3440
3441 val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
3442 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
3443
3444 for (i = 0; i < bp->rx_ring_size; i++) {
3445 if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
3446 break;
3447 }
3448 prod = NEXT_RX_BD(prod);
3449 ring_prod = RX_RING_IDX(prod);
3450 }
3451 bp->rx_prod = prod;
3452
3453 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
3454
3455 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
3456 }
3457
3458 static void
3459 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
3460 {
3461 u32 num_rings, max;
3462
3463 bp->rx_ring_size = size;
3464 num_rings = 1;
3465 while (size > MAX_RX_DESC_CNT) {
3466 size -= MAX_RX_DESC_CNT;
3467 num_rings++;
3468 }
3469 /* round to next power of 2 */
3470 max = MAX_RX_RINGS;
3471 while ((max & num_rings) == 0)
3472 max >>= 1;
3473
3474 if (num_rings != max)
3475 max <<= 1;
3476
3477 bp->rx_max_ring = max;
3478 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
3479 }
3480
3481 static void
3482 bnx2_free_tx_skbs(struct bnx2 *bp)
3483 {
3484 int i;
3485
3486 if (bp->tx_buf_ring == NULL)
3487 return;
3488
3489 for (i = 0; i < TX_DESC_CNT; ) {
3490 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
3491 struct sk_buff *skb = tx_buf->skb;
3492 int j, last;
3493
3494 if (skb == NULL) {
3495 i++;
3496 continue;
3497 }
3498
3499 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
3500 skb_headlen(skb), PCI_DMA_TODEVICE);
3501
3502 tx_buf->skb = NULL;
3503
3504 last = skb_shinfo(skb)->nr_frags;
3505 for (j = 0; j < last; j++) {
3506 tx_buf = &bp->tx_buf_ring[i + j + 1];
3507 pci_unmap_page(bp->pdev,
3508 pci_unmap_addr(tx_buf, mapping),
3509 skb_shinfo(skb)->frags[j].size,
3510 PCI_DMA_TODEVICE);
3511 }
3512 dev_kfree_skb_any(skb);
3513 i += j + 1;
3514 }
3515
3516 }
3517
3518 static void
3519 bnx2_free_rx_skbs(struct bnx2 *bp)
3520 {
3521 int i;
3522
3523 if (bp->rx_buf_ring == NULL)
3524 return;
3525
3526 for (i = 0; i < bp->rx_max_ring_idx; i++) {
3527 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
3528 struct sk_buff *skb = rx_buf->skb;
3529
3530 if (skb == NULL)
3531 continue;
3532
3533 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
3534 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
3535
3536 rx_buf->skb = NULL;
3537
3538 dev_kfree_skb_any(skb);
3539 }
3540 }
3541
3542 static void
3543 bnx2_free_skbs(struct bnx2 *bp)
3544 {
3545 bnx2_free_tx_skbs(bp);
3546 bnx2_free_rx_skbs(bp);
3547 }
3548
3549 static int
3550 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
3551 {
3552 int rc;
3553
3554 rc = bnx2_reset_chip(bp, reset_code);
3555 bnx2_free_skbs(bp);
3556 if (rc)
3557 return rc;
3558
3559 bnx2_init_chip(bp);
3560 bnx2_init_tx_ring(bp);
3561 bnx2_init_rx_ring(bp);
3562 return 0;
3563 }
3564
3565 static int
3566 bnx2_init_nic(struct bnx2 *bp)
3567 {
3568 int rc;
3569
3570 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
3571 return rc;
3572
3573 bnx2_init_phy(bp);
3574 bnx2_set_link(bp);
3575 return 0;
3576 }
3577
3578 static int
3579 bnx2_test_registers(struct bnx2 *bp)
3580 {
3581 int ret;
3582 int i;
3583 static const struct {
3584 u16 offset;
3585 u16 flags;
3586 u32 rw_mask;
3587 u32 ro_mask;
3588 } reg_tbl[] = {
3589 { 0x006c, 0, 0x00000000, 0x0000003f },
3590 { 0x0090, 0, 0xffffffff, 0x00000000 },
3591 { 0x0094, 0, 0x00000000, 0x00000000 },
3592
3593 { 0x0404, 0, 0x00003f00, 0x00000000 },
3594 { 0x0418, 0, 0x00000000, 0xffffffff },
3595 { 0x041c, 0, 0x00000000, 0xffffffff },
3596 { 0x0420, 0, 0x00000000, 0x80ffffff },
3597 { 0x0424, 0, 0x00000000, 0x00000000 },
3598 { 0x0428, 0, 0x00000000, 0x00000001 },
3599 { 0x0450, 0, 0x00000000, 0x0000ffff },
3600 { 0x0454, 0, 0x00000000, 0xffffffff },
3601 { 0x0458, 0, 0x00000000, 0xffffffff },
3602
3603 { 0x0808, 0, 0x00000000, 0xffffffff },
3604 { 0x0854, 0, 0x00000000, 0xffffffff },
3605 { 0x0868, 0, 0x00000000, 0x77777777 },
3606 { 0x086c, 0, 0x00000000, 0x77777777 },
3607 { 0x0870, 0, 0x00000000, 0x77777777 },
3608 { 0x0874, 0, 0x00000000, 0x77777777 },
3609
3610 { 0x0c00, 0, 0x00000000, 0x00000001 },
3611 { 0x0c04, 0, 0x00000000, 0x03ff0001 },
3612 { 0x0c08, 0, 0x0f0ff073, 0x00000000 },
3613
3614 { 0x1000, 0, 0x00000000, 0x00000001 },
3615 { 0x1004, 0, 0x00000000, 0x000f0001 },
3616
3617 { 0x1408, 0, 0x01c00800, 0x00000000 },
3618 { 0x149c, 0, 0x8000ffff, 0x00000000 },
3619 { 0x14a8, 0, 0x00000000, 0x000001ff },
3620 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
3621 { 0x14b0, 0, 0x00000002, 0x00000001 },
3622 { 0x14b8, 0, 0x00000000, 0x00000000 },
3623 { 0x14c0, 0, 0x00000000, 0x00000009 },
3624 { 0x14c4, 0, 0x00003fff, 0x00000000 },
3625 { 0x14cc, 0, 0x00000000, 0x00000001 },
3626 { 0x14d0, 0, 0xffffffff, 0x00000000 },
3627
3628 { 0x1800, 0, 0x00000000, 0x00000001 },
3629 { 0x1804, 0, 0x00000000, 0x00000003 },
3630
3631 { 0x2800, 0, 0x00000000, 0x00000001 },
3632 { 0x2804, 0, 0x00000000, 0x00003f01 },
3633 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
3634 { 0x2810, 0, 0xffff0000, 0x00000000 },
3635 { 0x2814, 0, 0xffff0000, 0x00000000 },
3636 { 0x2818, 0, 0xffff0000, 0x00000000 },
3637 { 0x281c, 0, 0xffff0000, 0x00000000 },
3638 { 0x2834, 0, 0xffffffff, 0x00000000 },
3639 { 0x2840, 0, 0x00000000, 0xffffffff },
3640 { 0x2844, 0, 0x00000000, 0xffffffff },
3641 { 0x2848, 0, 0xffffffff, 0x00000000 },
3642 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
3643
3644 { 0x2c00, 0, 0x00000000, 0x00000011 },
3645 { 0x2c04, 0, 0x00000000, 0x00030007 },
3646
3647 { 0x3c00, 0, 0x00000000, 0x00000001 },
3648 { 0x3c04, 0, 0x00000000, 0x00070000 },
3649 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
3650 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
3651 { 0x3c10, 0, 0xffffffff, 0x00000000 },
3652 { 0x3c14, 0, 0x00000000, 0xffffffff },
3653 { 0x3c18, 0, 0x00000000, 0xffffffff },
3654 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
3655 { 0x3c20, 0, 0xffffff00, 0x00000000 },
3656
3657 { 0x5004, 0, 0x00000000, 0x0000007f },
3658 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
3659 { 0x500c, 0, 0xf800f800, 0x07ff07ff },
3660
3661 { 0x5c00, 0, 0x00000000, 0x00000001 },
3662 { 0x5c04, 0, 0x00000000, 0x0003000f },
3663 { 0x5c08, 0, 0x00000003, 0x00000000 },
3664 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
3665 { 0x5c10, 0, 0x00000000, 0xffffffff },
3666 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
3667 { 0x5c84, 0, 0x00000000, 0x0000f333 },
3668 { 0x5c88, 0, 0x00000000, 0x00077373 },
3669 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
3670
3671 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
3672 { 0x680c, 0, 0xffffffff, 0x00000000 },
3673 { 0x6810, 0, 0xffffffff, 0x00000000 },
3674 { 0x6814, 0, 0xffffffff, 0x00000000 },
3675 { 0x6818, 0, 0xffffffff, 0x00000000 },
3676 { 0x681c, 0, 0xffffffff, 0x00000000 },
3677 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
3678 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
3679 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
3680 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
3681 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
3682 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
3683 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
3684 { 0x683c, 0, 0x0000ffff, 0x00000000 },
3685 { 0x6840, 0, 0x00000ff0, 0x00000000 },
3686 { 0x6844, 0, 0x00ffff00, 0x00000000 },
3687 { 0x684c, 0, 0xffffffff, 0x00000000 },
3688 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
3689 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
3690 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
3691 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
3692 { 0x6908, 0, 0x00000000, 0x0001ff0f },
3693 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
3694
3695 { 0xffff, 0, 0x00000000, 0x00000000 },
3696 };
3697
3698 ret = 0;
3699 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
3700 u32 offset, rw_mask, ro_mask, save_val, val;
3701
3702 offset = (u32) reg_tbl[i].offset;
3703 rw_mask = reg_tbl[i].rw_mask;
3704 ro_mask = reg_tbl[i].ro_mask;
3705
3706 save_val = readl(bp->regview + offset);
3707
3708 writel(0, bp->regview + offset);
3709
3710 val = readl(bp->regview + offset);
3711 if ((val & rw_mask) != 0) {
3712 goto reg_test_err;
3713 }
3714
3715 if ((val & ro_mask) != (save_val & ro_mask)) {
3716 goto reg_test_err;
3717 }
3718
3719 writel(0xffffffff, bp->regview + offset);
3720
3721 val = readl(bp->regview + offset);
3722 if ((val & rw_mask) != rw_mask) {
3723 goto reg_test_err;
3724 }
3725
3726 if ((val & ro_mask) != (save_val & ro_mask)) {
3727 goto reg_test_err;
3728 }
3729
3730 writel(save_val, bp->regview + offset);
3731 continue;
3732
3733 reg_test_err:
3734 writel(save_val, bp->regview + offset);
3735 ret = -ENODEV;
3736 break;
3737 }
3738 return ret;
3739 }
3740
3741 static int
3742 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
3743 {
3744 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
3745 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
3746 int i;
3747
3748 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
3749 u32 offset;
3750
3751 for (offset = 0; offset < size; offset += 4) {
3752
3753 REG_WR_IND(bp, start + offset, test_pattern[i]);
3754
3755 if (REG_RD_IND(bp, start + offset) !=
3756 test_pattern[i]) {
3757 return -ENODEV;
3758 }
3759 }
3760 }
3761 return 0;
3762 }
3763
3764 static int
3765 bnx2_test_memory(struct bnx2 *bp)
3766 {
3767 int ret = 0;
3768 int i;
3769 static const struct {
3770 u32 offset;
3771 u32 len;
3772 } mem_tbl[] = {
3773 { 0x60000, 0x4000 },
3774 { 0xa0000, 0x3000 },
3775 { 0xe0000, 0x4000 },
3776 { 0x120000, 0x4000 },
3777 { 0x1a0000, 0x4000 },
3778 { 0x160000, 0x4000 },
3779 { 0xffffffff, 0 },
3780 };
3781
3782 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
3783 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
3784 mem_tbl[i].len)) != 0) {
3785 return ret;
3786 }
3787 }
3788
3789 return ret;
3790 }
3791
3792 #define BNX2_MAC_LOOPBACK 0
3793 #define BNX2_PHY_LOOPBACK 1
3794
3795 static int
3796 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
3797 {
3798 unsigned int pkt_size, num_pkts, i;
3799 struct sk_buff *skb, *rx_skb;
3800 unsigned char *packet;
3801 u16 rx_start_idx, rx_idx;
3802 dma_addr_t map;
3803 struct tx_bd *txbd;
3804 struct sw_bd *rx_buf;
3805 struct l2_fhdr *rx_hdr;
3806 int ret = -ENODEV;
3807
3808 if (loopback_mode == BNX2_MAC_LOOPBACK) {
3809 bp->loopback = MAC_LOOPBACK;
3810 bnx2_set_mac_loopback(bp);
3811 }
3812 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
3813 bp->loopback = 0;
3814 bnx2_set_phy_loopback(bp);
3815 }
3816 else
3817 return -EINVAL;
3818
3819 pkt_size = 1514;
3820 skb = dev_alloc_skb(pkt_size);
3821 if (!skb)
3822 return -ENOMEM;
3823 packet = skb_put(skb, pkt_size);
3824 memcpy(packet, bp->mac_addr, 6);
3825 memset(packet + 6, 0x0, 8);
3826 for (i = 14; i < pkt_size; i++)
3827 packet[i] = (unsigned char) (i & 0xff);
3828
3829 map = pci_map_single(bp->pdev, skb->data, pkt_size,
3830 PCI_DMA_TODEVICE);
3831
3832 REG_WR(bp, BNX2_HC_COMMAND,
3833 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3834
3835 REG_RD(bp, BNX2_HC_COMMAND);
3836
3837 udelay(5);
3838 rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;
3839
3840 num_pkts = 0;
3841
3842 txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
3843
3844 txbd->tx_bd_haddr_hi = (u64) map >> 32;
3845 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
3846 txbd->tx_bd_mss_nbytes = pkt_size;
3847 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
3848
3849 num_pkts++;
3850 bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
3851 bp->tx_prod_bseq += pkt_size;
3852
3853 REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, bp->tx_prod);
3854 REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
3855
3856 udelay(100);
3857
3858 REG_WR(bp, BNX2_HC_COMMAND,
3859 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3860
3861 REG_RD(bp, BNX2_HC_COMMAND);
3862
3863 udelay(5);
3864
3865 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
3866 dev_kfree_skb_irq(skb);
3867
3868 if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_prod) {
3869 goto loopback_test_done;
3870 }
3871
3872 rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
3873 if (rx_idx != rx_start_idx + num_pkts) {
3874 goto loopback_test_done;
3875 }
3876
3877 rx_buf = &bp->rx_buf_ring[rx_start_idx];
3878 rx_skb = rx_buf->skb;
3879
3880 rx_hdr = (struct l2_fhdr *) rx_skb->data;
3881 skb_reserve(rx_skb, bp->rx_offset);
3882
3883 pci_dma_sync_single_for_cpu(bp->pdev,
3884 pci_unmap_addr(rx_buf, mapping),
3885 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
3886
3887 if (rx_hdr->l2_fhdr_status &
3888 (L2_FHDR_ERRORS_BAD_CRC |
3889 L2_FHDR_ERRORS_PHY_DECODE |
3890 L2_FHDR_ERRORS_ALIGNMENT |
3891 L2_FHDR_ERRORS_TOO_SHORT |
3892 L2_FHDR_ERRORS_GIANT_FRAME)) {
3893
3894 goto loopback_test_done;
3895 }
3896
3897 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
3898 goto loopback_test_done;
3899 }
3900
3901 for (i = 14; i < pkt_size; i++) {
3902 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
3903 goto loopback_test_done;
3904 }
3905 }
3906
3907 ret = 0;
3908
3909 loopback_test_done:
3910 bp->loopback = 0;
3911 return ret;
3912 }
3913
3914 #define BNX2_MAC_LOOPBACK_FAILED 1
3915 #define BNX2_PHY_LOOPBACK_FAILED 2
3916 #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
3917 BNX2_PHY_LOOPBACK_FAILED)
3918
3919 static int
3920 bnx2_test_loopback(struct bnx2 *bp)
3921 {
3922 int rc = 0;
3923
3924 if (!netif_running(bp->dev))
3925 return BNX2_LOOPBACK_FAILED;
3926
3927 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
3928 spin_lock_bh(&bp->phy_lock);
3929 bnx2_init_phy(bp);
3930 spin_unlock_bh(&bp->phy_lock);
3931 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
3932 rc |= BNX2_MAC_LOOPBACK_FAILED;
3933 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
3934 rc |= BNX2_PHY_LOOPBACK_FAILED;
3935 return rc;
3936 }
3937
3938 #define NVRAM_SIZE 0x200
3939 #define CRC32_RESIDUAL 0xdebb20e3
3940
3941 static int
3942 bnx2_test_nvram(struct bnx2 *bp)
3943 {
3944 u32 buf[NVRAM_SIZE / 4];
3945 u8 *data = (u8 *) buf;
3946 int rc = 0;
3947 u32 magic, csum;
3948
3949 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
3950 goto test_nvram_done;
3951
3952 magic = be32_to_cpu(buf[0]);
3953 if (magic != 0x669955aa) {
3954 rc = -ENODEV;
3955 goto test_nvram_done;
3956 }
3957
3958 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
3959 goto test_nvram_done;
3960
3961 csum = ether_crc_le(0x100, data);
3962 if (csum != CRC32_RESIDUAL) {
3963 rc = -ENODEV;
3964 goto test_nvram_done;
3965 }
3966
3967 csum = ether_crc_le(0x100, data + 0x100);
3968 if (csum != CRC32_RESIDUAL) {
3969 rc = -ENODEV;
3970 }
3971
3972 test_nvram_done:
3973 return rc;
3974 }
3975
3976 static int
3977 bnx2_test_link(struct bnx2 *bp)
3978 {
3979 u32 bmsr;
3980
3981 spin_lock_bh(&bp->phy_lock);
3982 bnx2_read_phy(bp, MII_BMSR, &bmsr);
3983 bnx2_read_phy(bp, MII_BMSR, &bmsr);
3984 spin_unlock_bh(&bp->phy_lock);
3985
3986 if (bmsr & BMSR_LSTATUS) {
3987 return 0;
3988 }
3989 return -ENODEV;
3990 }
3991
3992 static int
3993 bnx2_test_intr(struct bnx2 *bp)
3994 {
3995 int i;
3996 u16 status_idx;
3997
3998 if (!netif_running(bp->dev))
3999 return -ENODEV;
4000
4001 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
4002
4003 /* This register is not touched during run-time. */
4004 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
4005 REG_RD(bp, BNX2_HC_COMMAND);
4006
4007 for (i = 0; i < 10; i++) {
4008 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
4009 status_idx) {
4010
4011 break;
4012 }
4013
4014 msleep_interruptible(10);
4015 }
4016 if (i < 10)
4017 return 0;
4018
4019 return -ENODEV;
4020 }
4021
4022 static void
4023 bnx2_timer(unsigned long data)
4024 {
4025 struct bnx2 *bp = (struct bnx2 *) data;
4026 u32 msg;
4027
4028 if (!netif_running(bp->dev))
4029 return;
4030
4031 if (atomic_read(&bp->intr_sem) != 0)
4032 goto bnx2_restart_timer;
4033
4034 msg = (u32) ++bp->fw_drv_pulse_wr_seq;
4035 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg);
4036
4037 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
4038 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
4039
4040 spin_lock(&bp->phy_lock);
4041 if (bp->serdes_an_pending) {
4042 bp->serdes_an_pending--;
4043 }
4044 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
4045 u32 bmcr;
4046
4047 bp->current_interval = bp->timer_interval;
4048
4049 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4050
4051 if (bmcr & BMCR_ANENABLE) {
4052 u32 phy1, phy2;
4053
4054 bnx2_write_phy(bp, 0x1c, 0x7c00);
4055 bnx2_read_phy(bp, 0x1c, &phy1);
4056
4057 bnx2_write_phy(bp, 0x17, 0x0f01);
4058 bnx2_read_phy(bp, 0x15, &phy2);
4059 bnx2_write_phy(bp, 0x17, 0x0f01);
4060 bnx2_read_phy(bp, 0x15, &phy2);
4061
4062 if ((phy1 & 0x10) && /* SIGNAL DETECT */
4063 !(phy2 & 0x20)) { /* no CONFIG */
4064
4065 bmcr &= ~BMCR_ANENABLE;
4066 bmcr |= BMCR_SPEED1000 |
4067 BMCR_FULLDPLX;
4068 bnx2_write_phy(bp, MII_BMCR, bmcr);
4069 bp->phy_flags |=
4070 PHY_PARALLEL_DETECT_FLAG;
4071 }
4072 }
4073 }
4074 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
4075 (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
4076 u32 phy2;
4077
4078 bnx2_write_phy(bp, 0x17, 0x0f01);
4079 bnx2_read_phy(bp, 0x15, &phy2);
4080 if (phy2 & 0x20) {
4081 u32 bmcr;
4082
4083 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4084 bmcr |= BMCR_ANENABLE;
4085 bnx2_write_phy(bp, MII_BMCR, bmcr);
4086
4087 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
4088
4089 }
4090 }
4091 else
4092 bp->current_interval = bp->timer_interval;
4093
4094 spin_unlock(&bp->phy_lock);
4095 }
4096
4097 bnx2_restart_timer:
4098 mod_timer(&bp->timer, jiffies + bp->current_interval);
4099 }
4100
4101 /* Called with rtnl_lock */
4102 static int
4103 bnx2_open(struct net_device *dev)
4104 {
4105 struct bnx2 *bp = netdev_priv(dev);
4106 int rc;
4107
4108 bnx2_set_power_state(bp, PCI_D0);
4109 bnx2_disable_int(bp);
4110
4111 rc = bnx2_alloc_mem(bp);
4112 if (rc)
4113 return rc;
4114
4115 if ((CHIP_ID(bp) != CHIP_ID_5706_A0) &&
4116 (CHIP_ID(bp) != CHIP_ID_5706_A1) &&
4117 !disable_msi) {
4118
4119 if (pci_enable_msi(bp->pdev) == 0) {
4120 bp->flags |= USING_MSI_FLAG;
4121 rc = request_irq(bp->pdev->irq, bnx2_msi, 0, dev->name,
4122 dev);
4123 }
4124 else {
4125 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4126 SA_SHIRQ, dev->name, dev);
4127 }
4128 }
4129 else {
4130 rc = request_irq(bp->pdev->irq, bnx2_interrupt, SA_SHIRQ,
4131 dev->name, dev);
4132 }
4133 if (rc) {
4134 bnx2_free_mem(bp);
4135 return rc;
4136 }
4137
4138 rc = bnx2_init_nic(bp);
4139
4140 if (rc) {
4141 free_irq(bp->pdev->irq, dev);
4142 if (bp->flags & USING_MSI_FLAG) {
4143 pci_disable_msi(bp->pdev);
4144 bp->flags &= ~USING_MSI_FLAG;
4145 }
4146 bnx2_free_skbs(bp);
4147 bnx2_free_mem(bp);
4148 return rc;
4149 }
4150
4151 mod_timer(&bp->timer, jiffies + bp->current_interval);
4152
4153 atomic_set(&bp->intr_sem, 0);
4154
4155 bnx2_enable_int(bp);
4156
4157 if (bp->flags & USING_MSI_FLAG) {
4158 /* Test MSI to make sure it is working
4159 * If MSI test fails, go back to INTx mode
4160 */
4161 if (bnx2_test_intr(bp) != 0) {
4162 printk(KERN_WARNING PFX "%s: No interrupt was generated"
4163 " using MSI, switching to INTx mode. Please"
4164 " report this failure to the PCI maintainer"
4165 " and include system chipset information.\n",
4166 bp->dev->name);
4167
4168 bnx2_disable_int(bp);
4169 free_irq(bp->pdev->irq, dev);
4170 pci_disable_msi(bp->pdev);
4171 bp->flags &= ~USING_MSI_FLAG;
4172
4173 rc = bnx2_init_nic(bp);
4174
4175 if (!rc) {
4176 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4177 SA_SHIRQ, dev->name, dev);
4178 }
4179 if (rc) {
4180 bnx2_free_skbs(bp);
4181 bnx2_free_mem(bp);
4182 del_timer_sync(&bp->timer);
4183 return rc;
4184 }
4185 bnx2_enable_int(bp);
4186 }
4187 }
4188 if (bp->flags & USING_MSI_FLAG) {
4189 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
4190 }
4191
4192 netif_start_queue(dev);
4193
4194 return 0;
4195 }
4196
4197 static void
4198 bnx2_reset_task(void *data)
4199 {
4200 struct bnx2 *bp = data;
4201
4202 if (!netif_running(bp->dev))
4203 return;
4204
4205 bp->in_reset_task = 1;
4206 bnx2_netif_stop(bp);
4207
4208 bnx2_init_nic(bp);
4209
4210 atomic_set(&bp->intr_sem, 1);
4211 bnx2_netif_start(bp);
4212 bp->in_reset_task = 0;
4213 }
4214
4215 static void
4216 bnx2_tx_timeout(struct net_device *dev)
4217 {
4218 struct bnx2 *bp = netdev_priv(dev);
4219
4220 /* This allows the netif to be shutdown gracefully before resetting */
4221 schedule_work(&bp->reset_task);
4222 }
4223
4224 #ifdef BCM_VLAN
4225 /* Called with rtnl_lock */
4226 static void
4227 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
4228 {
4229 struct bnx2 *bp = netdev_priv(dev);
4230
4231 bnx2_netif_stop(bp);
4232
4233 bp->vlgrp = vlgrp;
4234 bnx2_set_rx_mode(dev);
4235
4236 bnx2_netif_start(bp);
4237 }
4238
4239 /* Called with rtnl_lock */
4240 static void
4241 bnx2_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
4242 {
4243 struct bnx2 *bp = netdev_priv(dev);
4244
4245 bnx2_netif_stop(bp);
4246
4247 if (bp->vlgrp)
4248 bp->vlgrp->vlan_devices[vid] = NULL;
4249 bnx2_set_rx_mode(dev);
4250
4251 bnx2_netif_start(bp);
4252 }
4253 #endif
4254
4255 /* Called with dev->xmit_lock.
4256 * hard_start_xmit is pseudo-lockless - a lock is only required when
4257 * the tx queue is full. This way, we get the benefit of lockless
4258 * operations most of the time without the complexities to handle
4259 * netif_stop_queue/wake_queue race conditions.
4260 */
4261 static int
4262 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
4263 {
4264 struct bnx2 *bp = netdev_priv(dev);
4265 dma_addr_t mapping;
4266 struct tx_bd *txbd;
4267 struct sw_bd *tx_buf;
4268 u32 len, vlan_tag_flags, last_frag, mss;
4269 u16 prod, ring_prod;
4270 int i;
4271
4272 if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
4273 netif_stop_queue(dev);
4274 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
4275 dev->name);
4276
4277 return NETDEV_TX_BUSY;
4278 }
4279 len = skb_headlen(skb);
4280 prod = bp->tx_prod;
4281 ring_prod = TX_RING_IDX(prod);
4282
4283 vlan_tag_flags = 0;
4284 if (skb->ip_summed == CHECKSUM_HW) {
4285 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
4286 }
4287
4288 if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
4289 vlan_tag_flags |=
4290 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
4291 }
4292 #ifdef BCM_TSO
4293 if ((mss = skb_shinfo(skb)->tso_size) &&
4294 (skb->len > (bp->dev->mtu + ETH_HLEN))) {
4295 u32 tcp_opt_len, ip_tcp_len;
4296
4297 if (skb_header_cloned(skb) &&
4298 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4299 dev_kfree_skb(skb);
4300 return NETDEV_TX_OK;
4301 }
4302
4303 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4304 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
4305
4306 tcp_opt_len = 0;
4307 if (skb->h.th->doff > 5) {
4308 tcp_opt_len = (skb->h.th->doff - 5) << 2;
4309 }
4310 ip_tcp_len = (skb->nh.iph->ihl << 2) + sizeof(struct tcphdr);
4311
4312 skb->nh.iph->check = 0;
4313 skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
4314 skb->h.th->check =
4315 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4316 skb->nh.iph->daddr,
4317 0, IPPROTO_TCP, 0);
4318
4319 if (tcp_opt_len || (skb->nh.iph->ihl > 5)) {
4320 vlan_tag_flags |= ((skb->nh.iph->ihl - 5) +
4321 (tcp_opt_len >> 2)) << 8;
4322 }
4323 }
4324 else
4325 #endif
4326 {
4327 mss = 0;
4328 }
4329
4330 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4331
4332 tx_buf = &bp->tx_buf_ring[ring_prod];
4333 tx_buf->skb = skb;
4334 pci_unmap_addr_set(tx_buf, mapping, mapping);
4335
4336 txbd = &bp->tx_desc_ring[ring_prod];
4337
4338 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4339 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4340 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4341 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
4342
4343 last_frag = skb_shinfo(skb)->nr_frags;
4344
4345 for (i = 0; i < last_frag; i++) {
4346 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4347
4348 prod = NEXT_TX_BD(prod);
4349 ring_prod = TX_RING_IDX(prod);
4350 txbd = &bp->tx_desc_ring[ring_prod];
4351
4352 len = frag->size;
4353 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
4354 len, PCI_DMA_TODEVICE);
4355 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
4356 mapping, mapping);
4357
4358 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4359 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4360 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4361 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
4362
4363 }
4364 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
4365
4366 prod = NEXT_TX_BD(prod);
4367 bp->tx_prod_bseq += skb->len;
4368
4369 REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
4370 REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
4371
4372 mmiowb();
4373
4374 bp->tx_prod = prod;
4375 dev->trans_start = jiffies;
4376
4377 if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
4378 spin_lock(&bp->tx_lock);
4379 netif_stop_queue(dev);
4380
4381 if (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)
4382 netif_wake_queue(dev);
4383 spin_unlock(&bp->tx_lock);
4384 }
4385
4386 return NETDEV_TX_OK;
4387 }
4388
4389 /* Called with rtnl_lock */
4390 static int
4391 bnx2_close(struct net_device *dev)
4392 {
4393 struct bnx2 *bp = netdev_priv(dev);
4394 u32 reset_code;
4395
4396 /* Calling flush_scheduled_work() may deadlock because
4397 * linkwatch_event() may be on the workqueue and it will try to get
4398 * the rtnl_lock which we are holding.
4399 */
4400 while (bp->in_reset_task)
4401 msleep(1);
4402
4403 bnx2_netif_stop(bp);
4404 del_timer_sync(&bp->timer);
4405 if (bp->flags & NO_WOL_FLAG)
4406 reset_code = BNX2_DRV_MSG_CODE_UNLOAD;
4407 else if (bp->wol)
4408 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4409 else
4410 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4411 bnx2_reset_chip(bp, reset_code);
4412 free_irq(bp->pdev->irq, dev);
4413 if (bp->flags & USING_MSI_FLAG) {
4414 pci_disable_msi(bp->pdev);
4415 bp->flags &= ~USING_MSI_FLAG;
4416 }
4417 bnx2_free_skbs(bp);
4418 bnx2_free_mem(bp);
4419 bp->link_up = 0;
4420 netif_carrier_off(bp->dev);
4421 bnx2_set_power_state(bp, PCI_D3hot);
4422 return 0;
4423 }
4424
4425 #define GET_NET_STATS64(ctr) \
4426 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
4427 (unsigned long) (ctr##_lo)
4428
4429 #define GET_NET_STATS32(ctr) \
4430 (ctr##_lo)
4431
4432 #if (BITS_PER_LONG == 64)
4433 #define GET_NET_STATS GET_NET_STATS64
4434 #else
4435 #define GET_NET_STATS GET_NET_STATS32
4436 #endif
4437
4438 static struct net_device_stats *
4439 bnx2_get_stats(struct net_device *dev)
4440 {
4441 struct bnx2 *bp = netdev_priv(dev);
4442 struct statistics_block *stats_blk = bp->stats_blk;
4443 struct net_device_stats *net_stats = &bp->net_stats;
4444
4445 if (bp->stats_blk == NULL) {
4446 return net_stats;
4447 }
4448 net_stats->rx_packets =
4449 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
4450 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
4451 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
4452
4453 net_stats->tx_packets =
4454 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
4455 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
4456 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
4457
4458 net_stats->rx_bytes =
4459 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
4460
4461 net_stats->tx_bytes =
4462 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
4463
4464 net_stats->multicast =
4465 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
4466
4467 net_stats->collisions =
4468 (unsigned long) stats_blk->stat_EtherStatsCollisions;
4469
4470 net_stats->rx_length_errors =
4471 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
4472 stats_blk->stat_EtherStatsOverrsizePkts);
4473
4474 net_stats->rx_over_errors =
4475 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
4476
4477 net_stats->rx_frame_errors =
4478 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
4479
4480 net_stats->rx_crc_errors =
4481 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
4482
4483 net_stats->rx_errors = net_stats->rx_length_errors +
4484 net_stats->rx_over_errors + net_stats->rx_frame_errors +
4485 net_stats->rx_crc_errors;
4486
4487 net_stats->tx_aborted_errors =
4488 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
4489 stats_blk->stat_Dot3StatsLateCollisions);
4490
4491 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
4492 (CHIP_ID(bp) == CHIP_ID_5708_A0))
4493 net_stats->tx_carrier_errors = 0;
4494 else {
4495 net_stats->tx_carrier_errors =
4496 (unsigned long)
4497 stats_blk->stat_Dot3StatsCarrierSenseErrors;
4498 }
4499
4500 net_stats->tx_errors =
4501 (unsigned long)
4502 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
4503 +
4504 net_stats->tx_aborted_errors +
4505 net_stats->tx_carrier_errors;
4506
4507 return net_stats;
4508 }
4509
4510 /* All ethtool functions called with rtnl_lock */
4511
4512 static int
4513 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4514 {
4515 struct bnx2 *bp = netdev_priv(dev);
4516
4517 cmd->supported = SUPPORTED_Autoneg;
4518 if (bp->phy_flags & PHY_SERDES_FLAG) {
4519 cmd->supported |= SUPPORTED_1000baseT_Full |
4520 SUPPORTED_FIBRE;
4521
4522 cmd->port = PORT_FIBRE;
4523 }
4524 else {
4525 cmd->supported |= SUPPORTED_10baseT_Half |
4526 SUPPORTED_10baseT_Full |
4527 SUPPORTED_100baseT_Half |
4528 SUPPORTED_100baseT_Full |
4529 SUPPORTED_1000baseT_Full |
4530 SUPPORTED_TP;
4531
4532 cmd->port = PORT_TP;
4533 }
4534
4535 cmd->advertising = bp->advertising;
4536
4537 if (bp->autoneg & AUTONEG_SPEED) {
4538 cmd->autoneg = AUTONEG_ENABLE;
4539 }
4540 else {
4541 cmd->autoneg = AUTONEG_DISABLE;
4542 }
4543
4544 if (netif_carrier_ok(dev)) {
4545 cmd->speed = bp->line_speed;
4546 cmd->duplex = bp->duplex;
4547 }
4548 else {
4549 cmd->speed = -1;
4550 cmd->duplex = -1;
4551 }
4552
4553 cmd->transceiver = XCVR_INTERNAL;
4554 cmd->phy_address = bp->phy_addr;
4555
4556 return 0;
4557 }
4558
4559 static int
4560 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4561 {
4562 struct bnx2 *bp = netdev_priv(dev);
4563 u8 autoneg = bp->autoneg;
4564 u8 req_duplex = bp->req_duplex;
4565 u16 req_line_speed = bp->req_line_speed;
4566 u32 advertising = bp->advertising;
4567
4568 if (cmd->autoneg == AUTONEG_ENABLE) {
4569 autoneg |= AUTONEG_SPEED;
4570
4571 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
4572
4573 /* allow advertising 1 speed */
4574 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
4575 (cmd->advertising == ADVERTISED_10baseT_Full) ||
4576 (cmd->advertising == ADVERTISED_100baseT_Half) ||
4577 (cmd->advertising == ADVERTISED_100baseT_Full)) {
4578
4579 if (bp->phy_flags & PHY_SERDES_FLAG)
4580 return -EINVAL;
4581
4582 advertising = cmd->advertising;
4583
4584 }
4585 else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
4586 advertising = cmd->advertising;
4587 }
4588 else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
4589 return -EINVAL;
4590 }
4591 else {
4592 if (bp->phy_flags & PHY_SERDES_FLAG) {
4593 advertising = ETHTOOL_ALL_FIBRE_SPEED;
4594 }
4595 else {
4596 advertising = ETHTOOL_ALL_COPPER_SPEED;
4597 }
4598 }
4599 advertising |= ADVERTISED_Autoneg;
4600 }
4601 else {
4602 if (bp->phy_flags & PHY_SERDES_FLAG) {
4603 if ((cmd->speed != SPEED_1000) ||
4604 (cmd->duplex != DUPLEX_FULL)) {
4605 return -EINVAL;
4606 }
4607 }
4608 else if (cmd->speed == SPEED_1000) {
4609 return -EINVAL;
4610 }
4611 autoneg &= ~AUTONEG_SPEED;
4612 req_line_speed = cmd->speed;
4613 req_duplex = cmd->duplex;
4614 advertising = 0;
4615 }
4616
4617 bp->autoneg = autoneg;
4618 bp->advertising = advertising;
4619 bp->req_line_speed = req_line_speed;
4620 bp->req_duplex = req_duplex;
4621
4622 spin_lock_bh(&bp->phy_lock);
4623
4624 bnx2_setup_phy(bp);
4625
4626 spin_unlock_bh(&bp->phy_lock);
4627
4628 return 0;
4629 }
4630
4631 static void
4632 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
4633 {
4634 struct bnx2 *bp = netdev_priv(dev);
4635
4636 strcpy(info->driver, DRV_MODULE_NAME);
4637 strcpy(info->version, DRV_MODULE_VERSION);
4638 strcpy(info->bus_info, pci_name(bp->pdev));
4639 info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
4640 info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
4641 info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
4642 info->fw_version[1] = info->fw_version[3] = '.';
4643 info->fw_version[5] = 0;
4644 }
4645
4646 #define BNX2_REGDUMP_LEN (32 * 1024)
4647
4648 static int
4649 bnx2_get_regs_len(struct net_device *dev)
4650 {
4651 return BNX2_REGDUMP_LEN;
4652 }
4653
4654 static void
4655 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
4656 {
4657 u32 *p = _p, i, offset;
4658 u8 *orig_p = _p;
4659 struct bnx2 *bp = netdev_priv(dev);
4660 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
4661 0x0800, 0x0880, 0x0c00, 0x0c10,
4662 0x0c30, 0x0d08, 0x1000, 0x101c,
4663 0x1040, 0x1048, 0x1080, 0x10a4,
4664 0x1400, 0x1490, 0x1498, 0x14f0,
4665 0x1500, 0x155c, 0x1580, 0x15dc,
4666 0x1600, 0x1658, 0x1680, 0x16d8,
4667 0x1800, 0x1820, 0x1840, 0x1854,
4668 0x1880, 0x1894, 0x1900, 0x1984,
4669 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
4670 0x1c80, 0x1c94, 0x1d00, 0x1d84,
4671 0x2000, 0x2030, 0x23c0, 0x2400,
4672 0x2800, 0x2820, 0x2830, 0x2850,
4673 0x2b40, 0x2c10, 0x2fc0, 0x3058,
4674 0x3c00, 0x3c94, 0x4000, 0x4010,
4675 0x4080, 0x4090, 0x43c0, 0x4458,
4676 0x4c00, 0x4c18, 0x4c40, 0x4c54,
4677 0x4fc0, 0x5010, 0x53c0, 0x5444,
4678 0x5c00, 0x5c18, 0x5c80, 0x5c90,
4679 0x5fc0, 0x6000, 0x6400, 0x6428,
4680 0x6800, 0x6848, 0x684c, 0x6860,
4681 0x6888, 0x6910, 0x8000 };
4682
4683 regs->version = 0;
4684
4685 memset(p, 0, BNX2_REGDUMP_LEN);
4686
4687 if (!netif_running(bp->dev))
4688 return;
4689
4690 i = 0;
4691 offset = reg_boundaries[0];
4692 p += offset;
4693 while (offset < BNX2_REGDUMP_LEN) {
4694 *p++ = REG_RD(bp, offset);
4695 offset += 4;
4696 if (offset == reg_boundaries[i + 1]) {
4697 offset = reg_boundaries[i + 2];
4698 p = (u32 *) (orig_p + offset);
4699 i += 2;
4700 }
4701 }
4702 }
4703
4704 static void
4705 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4706 {
4707 struct bnx2 *bp = netdev_priv(dev);
4708
4709 if (bp->flags & NO_WOL_FLAG) {
4710 wol->supported = 0;
4711 wol->wolopts = 0;
4712 }
4713 else {
4714 wol->supported = WAKE_MAGIC;
4715 if (bp->wol)
4716 wol->wolopts = WAKE_MAGIC;
4717 else
4718 wol->wolopts = 0;
4719 }
4720 memset(&wol->sopass, 0, sizeof(wol->sopass));
4721 }
4722
4723 static int
4724 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4725 {
4726 struct bnx2 *bp = netdev_priv(dev);
4727
4728 if (wol->wolopts & ~WAKE_MAGIC)
4729 return -EINVAL;
4730
4731 if (wol->wolopts & WAKE_MAGIC) {
4732 if (bp->flags & NO_WOL_FLAG)
4733 return -EINVAL;
4734
4735 bp->wol = 1;
4736 }
4737 else {
4738 bp->wol = 0;
4739 }
4740 return 0;
4741 }
4742
4743 static int
4744 bnx2_nway_reset(struct net_device *dev)
4745 {
4746 struct bnx2 *bp = netdev_priv(dev);
4747 u32 bmcr;
4748
4749 if (!(bp->autoneg & AUTONEG_SPEED)) {
4750 return -EINVAL;
4751 }
4752
4753 spin_lock_bh(&bp->phy_lock);
4754
4755 /* Force a link down visible on the other side */
4756 if (bp->phy_flags & PHY_SERDES_FLAG) {
4757 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
4758 spin_unlock_bh(&bp->phy_lock);
4759
4760 msleep(20);
4761
4762 spin_lock_bh(&bp->phy_lock);
4763 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
4764 bp->current_interval = SERDES_AN_TIMEOUT;
4765 bp->serdes_an_pending = 1;
4766 mod_timer(&bp->timer, jiffies + bp->current_interval);
4767 }
4768 }
4769
4770 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4771 bmcr &= ~BMCR_LOOPBACK;
4772 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
4773
4774 spin_unlock_bh(&bp->phy_lock);
4775
4776 return 0;
4777 }
4778
4779 static int
4780 bnx2_get_eeprom_len(struct net_device *dev)
4781 {
4782 struct bnx2 *bp = netdev_priv(dev);
4783
4784 if (bp->flash_info == NULL)
4785 return 0;
4786
4787 return (int) bp->flash_size;
4788 }
4789
4790 static int
4791 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4792 u8 *eebuf)
4793 {
4794 struct bnx2 *bp = netdev_priv(dev);
4795 int rc;
4796
4797 /* parameters already validated in ethtool_get_eeprom */
4798
4799 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
4800
4801 return rc;
4802 }
4803
4804 static int
4805 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4806 u8 *eebuf)
4807 {
4808 struct bnx2 *bp = netdev_priv(dev);
4809 int rc;
4810
4811 /* parameters already validated in ethtool_set_eeprom */
4812
4813 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
4814
4815 return rc;
4816 }
4817
4818 static int
4819 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4820 {
4821 struct bnx2 *bp = netdev_priv(dev);
4822
4823 memset(coal, 0, sizeof(struct ethtool_coalesce));
4824
4825 coal->rx_coalesce_usecs = bp->rx_ticks;
4826 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
4827 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
4828 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
4829
4830 coal->tx_coalesce_usecs = bp->tx_ticks;
4831 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
4832 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
4833 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
4834
4835 coal->stats_block_coalesce_usecs = bp->stats_ticks;
4836
4837 return 0;
4838 }
4839
4840 static int
4841 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4842 {
4843 struct bnx2 *bp = netdev_priv(dev);
4844
4845 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
4846 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
4847
4848 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
4849 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
4850
4851 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
4852 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
4853
4854 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
4855 if (bp->rx_quick_cons_trip_int > 0xff)
4856 bp->rx_quick_cons_trip_int = 0xff;
4857
4858 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
4859 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
4860
4861 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
4862 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
4863
4864 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
4865 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
4866
4867 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
4868 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
4869 0xff;
4870
4871 bp->stats_ticks = coal->stats_block_coalesce_usecs;
4872 if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
4873 bp->stats_ticks &= 0xffff00;
4874
4875 if (netif_running(bp->dev)) {
4876 bnx2_netif_stop(bp);
4877 bnx2_init_nic(bp);
4878 bnx2_netif_start(bp);
4879 }
4880
4881 return 0;
4882 }
4883
4884 static void
4885 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4886 {
4887 struct bnx2 *bp = netdev_priv(dev);
4888
4889 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
4890 ering->rx_mini_max_pending = 0;
4891 ering->rx_jumbo_max_pending = 0;
4892
4893 ering->rx_pending = bp->rx_ring_size;
4894 ering->rx_mini_pending = 0;
4895 ering->rx_jumbo_pending = 0;
4896
4897 ering->tx_max_pending = MAX_TX_DESC_CNT;
4898 ering->tx_pending = bp->tx_ring_size;
4899 }
4900
4901 static int
4902 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4903 {
4904 struct bnx2 *bp = netdev_priv(dev);
4905
4906 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
4907 (ering->tx_pending > MAX_TX_DESC_CNT) ||
4908 (ering->tx_pending <= MAX_SKB_FRAGS)) {
4909
4910 return -EINVAL;
4911 }
4912 if (netif_running(bp->dev)) {
4913 bnx2_netif_stop(bp);
4914 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
4915 bnx2_free_skbs(bp);
4916 bnx2_free_mem(bp);
4917 }
4918
4919 bnx2_set_rx_ring_size(bp, ering->rx_pending);
4920 bp->tx_ring_size = ering->tx_pending;
4921
4922 if (netif_running(bp->dev)) {
4923 int rc;
4924
4925 rc = bnx2_alloc_mem(bp);
4926 if (rc)
4927 return rc;
4928 bnx2_init_nic(bp);
4929 bnx2_netif_start(bp);
4930 }
4931
4932 return 0;
4933 }
4934
4935 static void
4936 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4937 {
4938 struct bnx2 *bp = netdev_priv(dev);
4939
4940 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
4941 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
4942 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
4943 }
4944
4945 static int
4946 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4947 {
4948 struct bnx2 *bp = netdev_priv(dev);
4949
4950 bp->req_flow_ctrl = 0;
4951 if (epause->rx_pause)
4952 bp->req_flow_ctrl |= FLOW_CTRL_RX;
4953 if (epause->tx_pause)
4954 bp->req_flow_ctrl |= FLOW_CTRL_TX;
4955
4956 if (epause->autoneg) {
4957 bp->autoneg |= AUTONEG_FLOW_CTRL;
4958 }
4959 else {
4960 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
4961 }
4962
4963 spin_lock_bh(&bp->phy_lock);
4964
4965 bnx2_setup_phy(bp);
4966
4967 spin_unlock_bh(&bp->phy_lock);
4968
4969 return 0;
4970 }
4971
4972 static u32
4973 bnx2_get_rx_csum(struct net_device *dev)
4974 {
4975 struct bnx2 *bp = netdev_priv(dev);
4976
4977 return bp->rx_csum;
4978 }
4979
4980 static int
4981 bnx2_set_rx_csum(struct net_device *dev, u32 data)
4982 {
4983 struct bnx2 *bp = netdev_priv(dev);
4984
4985 bp->rx_csum = data;
4986 return 0;
4987 }
4988
4989 #define BNX2_NUM_STATS 45
4990
4991 static struct {
4992 char string[ETH_GSTRING_LEN];
4993 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
4994 { "rx_bytes" },
4995 { "rx_error_bytes" },
4996 { "tx_bytes" },
4997 { "tx_error_bytes" },
4998 { "rx_ucast_packets" },
4999 { "rx_mcast_packets" },
5000 { "rx_bcast_packets" },
5001 { "tx_ucast_packets" },
5002 { "tx_mcast_packets" },
5003 { "tx_bcast_packets" },
5004 { "tx_mac_errors" },
5005 { "tx_carrier_errors" },
5006 { "rx_crc_errors" },
5007 { "rx_align_errors" },
5008 { "tx_single_collisions" },
5009 { "tx_multi_collisions" },
5010 { "tx_deferred" },
5011 { "tx_excess_collisions" },
5012 { "tx_late_collisions" },
5013 { "tx_total_collisions" },
5014 { "rx_fragments" },
5015 { "rx_jabbers" },
5016 { "rx_undersize_packets" },
5017 { "rx_oversize_packets" },
5018 { "rx_64_byte_packets" },
5019 { "rx_65_to_127_byte_packets" },
5020 { "rx_128_to_255_byte_packets" },
5021 { "rx_256_to_511_byte_packets" },
5022 { "rx_512_to_1023_byte_packets" },
5023 { "rx_1024_to_1522_byte_packets" },
5024 { "rx_1523_to_9022_byte_packets" },
5025 { "tx_64_byte_packets" },
5026 { "tx_65_to_127_byte_packets" },
5027 { "tx_128_to_255_byte_packets" },
5028 { "tx_256_to_511_byte_packets" },
5029 { "tx_512_to_1023_byte_packets" },
5030 { "tx_1024_to_1522_byte_packets" },
5031 { "tx_1523_to_9022_byte_packets" },
5032 { "rx_xon_frames" },
5033 { "rx_xoff_frames" },
5034 { "tx_xon_frames" },
5035 { "tx_xoff_frames" },
5036 { "rx_mac_ctrl_frames" },
5037 { "rx_filtered_packets" },
5038 { "rx_discards" },
5039 };
5040
5041 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
5042
5043 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
5044 STATS_OFFSET32(stat_IfHCInOctets_hi),
5045 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
5046 STATS_OFFSET32(stat_IfHCOutOctets_hi),
5047 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
5048 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
5049 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
5050 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
5051 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
5052 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
5053 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
5054 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
5055 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
5056 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
5057 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
5058 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
5059 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
5060 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
5061 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
5062 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
5063 STATS_OFFSET32(stat_EtherStatsCollisions),
5064 STATS_OFFSET32(stat_EtherStatsFragments),
5065 STATS_OFFSET32(stat_EtherStatsJabbers),
5066 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
5067 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
5068 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
5069 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
5070 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
5071 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
5072 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
5073 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
5074 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
5075 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
5076 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
5077 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
5078 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
5079 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
5080 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
5081 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
5082 STATS_OFFSET32(stat_XonPauseFramesReceived),
5083 STATS_OFFSET32(stat_XoffPauseFramesReceived),
5084 STATS_OFFSET32(stat_OutXonSent),
5085 STATS_OFFSET32(stat_OutXoffSent),
5086 STATS_OFFSET32(stat_MacControlFramesReceived),
5087 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
5088 STATS_OFFSET32(stat_IfInMBUFDiscards),
5089 };
5090
5091 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
5092 * skipped because of errata.
5093 */
5094 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
5095 8,0,8,8,8,8,8,8,8,8,
5096 4,0,4,4,4,4,4,4,4,4,
5097 4,4,4,4,4,4,4,4,4,4,
5098 4,4,4,4,4,4,4,4,4,4,
5099 4,4,4,4,4,
5100 };
5101
5102 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
5103 8,0,8,8,8,8,8,8,8,8,
5104 4,4,4,4,4,4,4,4,4,4,
5105 4,4,4,4,4,4,4,4,4,4,
5106 4,4,4,4,4,4,4,4,4,4,
5107 4,4,4,4,4,
5108 };
5109
5110 #define BNX2_NUM_TESTS 6
5111
5112 static struct {
5113 char string[ETH_GSTRING_LEN];
5114 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
5115 { "register_test (offline)" },
5116 { "memory_test (offline)" },
5117 { "loopback_test (offline)" },
5118 { "nvram_test (online)" },
5119 { "interrupt_test (online)" },
5120 { "link_test (online)" },
5121 };
5122
5123 static int
5124 bnx2_self_test_count(struct net_device *dev)
5125 {
5126 return BNX2_NUM_TESTS;
5127 }
5128
5129 static void
5130 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
5131 {
5132 struct bnx2 *bp = netdev_priv(dev);
5133
5134 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
5135 if (etest->flags & ETH_TEST_FL_OFFLINE) {
5136 bnx2_netif_stop(bp);
5137 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
5138 bnx2_free_skbs(bp);
5139
5140 if (bnx2_test_registers(bp) != 0) {
5141 buf[0] = 1;
5142 etest->flags |= ETH_TEST_FL_FAILED;
5143 }
5144 if (bnx2_test_memory(bp) != 0) {
5145 buf[1] = 1;
5146 etest->flags |= ETH_TEST_FL_FAILED;
5147 }
5148 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
5149 etest->flags |= ETH_TEST_FL_FAILED;
5150
5151 if (!netif_running(bp->dev)) {
5152 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
5153 }
5154 else {
5155 bnx2_init_nic(bp);
5156 bnx2_netif_start(bp);
5157 }
5158
5159 /* wait for link up */
5160 msleep_interruptible(3000);
5161 if ((!bp->link_up) && !(bp->phy_flags & PHY_SERDES_FLAG))
5162 msleep_interruptible(4000);
5163 }
5164
5165 if (bnx2_test_nvram(bp) != 0) {
5166 buf[3] = 1;
5167 etest->flags |= ETH_TEST_FL_FAILED;
5168 }
5169 if (bnx2_test_intr(bp) != 0) {
5170 buf[4] = 1;
5171 etest->flags |= ETH_TEST_FL_FAILED;
5172 }
5173
5174 if (bnx2_test_link(bp) != 0) {
5175 buf[5] = 1;
5176 etest->flags |= ETH_TEST_FL_FAILED;
5177
5178 }
5179 }
5180
5181 static void
5182 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
5183 {
5184 switch (stringset) {
5185 case ETH_SS_STATS:
5186 memcpy(buf, bnx2_stats_str_arr,
5187 sizeof(bnx2_stats_str_arr));
5188 break;
5189 case ETH_SS_TEST:
5190 memcpy(buf, bnx2_tests_str_arr,
5191 sizeof(bnx2_tests_str_arr));
5192 break;
5193 }
5194 }
5195
5196 static int
5197 bnx2_get_stats_count(struct net_device *dev)
5198 {
5199 return BNX2_NUM_STATS;
5200 }
5201
5202 static void
5203 bnx2_get_ethtool_stats(struct net_device *dev,
5204 struct ethtool_stats *stats, u64 *buf)
5205 {
5206 struct bnx2 *bp = netdev_priv(dev);
5207 int i;
5208 u32 *hw_stats = (u32 *) bp->stats_blk;
5209 u8 *stats_len_arr = NULL;
5210
5211 if (hw_stats == NULL) {
5212 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
5213 return;
5214 }
5215
5216 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
5217 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
5218 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
5219 (CHIP_ID(bp) == CHIP_ID_5708_A0))
5220 stats_len_arr = bnx2_5706_stats_len_arr;
5221 else
5222 stats_len_arr = bnx2_5708_stats_len_arr;
5223
5224 for (i = 0; i < BNX2_NUM_STATS; i++) {
5225 if (stats_len_arr[i] == 0) {
5226 /* skip this counter */
5227 buf[i] = 0;
5228 continue;
5229 }
5230 if (stats_len_arr[i] == 4) {
5231 /* 4-byte counter */
5232 buf[i] = (u64)
5233 *(hw_stats + bnx2_stats_offset_arr[i]);
5234 continue;
5235 }
5236 /* 8-byte counter */
5237 buf[i] = (((u64) *(hw_stats +
5238 bnx2_stats_offset_arr[i])) << 32) +
5239 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
5240 }
5241 }
5242
5243 static int
5244 bnx2_phys_id(struct net_device *dev, u32 data)
5245 {
5246 struct bnx2 *bp = netdev_priv(dev);
5247 int i;
5248 u32 save;
5249
5250 if (data == 0)
5251 data = 2;
5252
5253 save = REG_RD(bp, BNX2_MISC_CFG);
5254 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
5255
5256 for (i = 0; i < (data * 2); i++) {
5257 if ((i % 2) == 0) {
5258 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
5259 }
5260 else {
5261 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
5262 BNX2_EMAC_LED_1000MB_OVERRIDE |
5263 BNX2_EMAC_LED_100MB_OVERRIDE |
5264 BNX2_EMAC_LED_10MB_OVERRIDE |
5265 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
5266 BNX2_EMAC_LED_TRAFFIC);
5267 }
5268 msleep_interruptible(500);
5269 if (signal_pending(current))
5270 break;
5271 }
5272 REG_WR(bp, BNX2_EMAC_LED, 0);
5273 REG_WR(bp, BNX2_MISC_CFG, save);
5274 return 0;
5275 }
5276
5277 static struct ethtool_ops bnx2_ethtool_ops = {
5278 .get_settings = bnx2_get_settings,
5279 .set_settings = bnx2_set_settings,
5280 .get_drvinfo = bnx2_get_drvinfo,
5281 .get_regs_len = bnx2_get_regs_len,
5282 .get_regs = bnx2_get_regs,
5283 .get_wol = bnx2_get_wol,
5284 .set_wol = bnx2_set_wol,
5285 .nway_reset = bnx2_nway_reset,
5286 .get_link = ethtool_op_get_link,
5287 .get_eeprom_len = bnx2_get_eeprom_len,
5288 .get_eeprom = bnx2_get_eeprom,
5289 .set_eeprom = bnx2_set_eeprom,
5290 .get_coalesce = bnx2_get_coalesce,
5291 .set_coalesce = bnx2_set_coalesce,
5292 .get_ringparam = bnx2_get_ringparam,
5293 .set_ringparam = bnx2_set_ringparam,
5294 .get_pauseparam = bnx2_get_pauseparam,
5295 .set_pauseparam = bnx2_set_pauseparam,
5296 .get_rx_csum = bnx2_get_rx_csum,
5297 .set_rx_csum = bnx2_set_rx_csum,
5298 .get_tx_csum = ethtool_op_get_tx_csum,
5299 .set_tx_csum = ethtool_op_set_tx_csum,
5300 .get_sg = ethtool_op_get_sg,
5301 .set_sg = ethtool_op_set_sg,
5302 #ifdef BCM_TSO
5303 .get_tso = ethtool_op_get_tso,
5304 .set_tso = ethtool_op_set_tso,
5305 #endif
5306 .self_test_count = bnx2_self_test_count,
5307 .self_test = bnx2_self_test,
5308 .get_strings = bnx2_get_strings,
5309 .phys_id = bnx2_phys_id,
5310 .get_stats_count = bnx2_get_stats_count,
5311 .get_ethtool_stats = bnx2_get_ethtool_stats,
5312 .get_perm_addr = ethtool_op_get_perm_addr,
5313 };
5314
5315 /* Called with rtnl_lock */
5316 static int
5317 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
5318 {
5319 struct mii_ioctl_data *data = if_mii(ifr);
5320 struct bnx2 *bp = netdev_priv(dev);
5321 int err;
5322
5323 switch(cmd) {
5324 case SIOCGMIIPHY:
5325 data->phy_id = bp->phy_addr;
5326
5327 /* fallthru */
5328 case SIOCGMIIREG: {
5329 u32 mii_regval;
5330
5331 spin_lock_bh(&bp->phy_lock);
5332 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
5333 spin_unlock_bh(&bp->phy_lock);
5334
5335 data->val_out = mii_regval;
5336
5337 return err;
5338 }
5339
5340 case SIOCSMIIREG:
5341 if (!capable(CAP_NET_ADMIN))
5342 return -EPERM;
5343
5344 spin_lock_bh(&bp->phy_lock);
5345 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
5346 spin_unlock_bh(&bp->phy_lock);
5347
5348 return err;
5349
5350 default:
5351 /* do nothing */
5352 break;
5353 }
5354 return -EOPNOTSUPP;
5355 }
5356
5357 /* Called with rtnl_lock */
5358 static int
5359 bnx2_change_mac_addr(struct net_device *dev, void *p)
5360 {
5361 struct sockaddr *addr = p;
5362 struct bnx2 *bp = netdev_priv(dev);
5363
5364 if (!is_valid_ether_addr(addr->sa_data))
5365 return -EINVAL;
5366
5367 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5368 if (netif_running(dev))
5369 bnx2_set_mac_addr(bp);
5370
5371 return 0;
5372 }
5373
5374 /* Called with rtnl_lock */
5375 static int
5376 bnx2_change_mtu(struct net_device *dev, int new_mtu)
5377 {
5378 struct bnx2 *bp = netdev_priv(dev);
5379
5380 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
5381 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
5382 return -EINVAL;
5383
5384 dev->mtu = new_mtu;
5385 if (netif_running(dev)) {
5386 bnx2_netif_stop(bp);
5387
5388 bnx2_init_nic(bp);
5389
5390 bnx2_netif_start(bp);
5391 }
5392 return 0;
5393 }
5394
5395 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5396 static void
5397 poll_bnx2(struct net_device *dev)
5398 {
5399 struct bnx2 *bp = netdev_priv(dev);
5400
5401 disable_irq(bp->pdev->irq);
5402 bnx2_interrupt(bp->pdev->irq, dev, NULL);
5403 enable_irq(bp->pdev->irq);
5404 }
5405 #endif
5406
5407 static int __devinit
5408 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
5409 {
5410 struct bnx2 *bp;
5411 unsigned long mem_len;
5412 int rc;
5413 u32 reg;
5414
5415 SET_MODULE_OWNER(dev);
5416 SET_NETDEV_DEV(dev, &pdev->dev);
5417 bp = netdev_priv(dev);
5418
5419 bp->flags = 0;
5420 bp->phy_flags = 0;
5421
5422 /* enable device (incl. PCI PM wakeup), and bus-mastering */
5423 rc = pci_enable_device(pdev);
5424 if (rc) {
5425 printk(KERN_ERR PFX "Cannot enable PCI device, aborting.");
5426 goto err_out;
5427 }
5428
5429 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
5430 printk(KERN_ERR PFX "Cannot find PCI device base address, "
5431 "aborting.\n");
5432 rc = -ENODEV;
5433 goto err_out_disable;
5434 }
5435
5436 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
5437 if (rc) {
5438 printk(KERN_ERR PFX "Cannot obtain PCI resources, aborting.\n");
5439 goto err_out_disable;
5440 }
5441
5442 pci_set_master(pdev);
5443
5444 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
5445 if (bp->pm_cap == 0) {
5446 printk(KERN_ERR PFX "Cannot find power management capability, "
5447 "aborting.\n");
5448 rc = -EIO;
5449 goto err_out_release;
5450 }
5451
5452 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
5453 if (bp->pcix_cap == 0) {
5454 printk(KERN_ERR PFX "Cannot find PCIX capability, aborting.\n");
5455 rc = -EIO;
5456 goto err_out_release;
5457 }
5458
5459 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
5460 bp->flags |= USING_DAC_FLAG;
5461 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
5462 printk(KERN_ERR PFX "pci_set_consistent_dma_mask "
5463 "failed, aborting.\n");
5464 rc = -EIO;
5465 goto err_out_release;
5466 }
5467 }
5468 else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
5469 printk(KERN_ERR PFX "System does not support DMA, aborting.\n");
5470 rc = -EIO;
5471 goto err_out_release;
5472 }
5473
5474 bp->dev = dev;
5475 bp->pdev = pdev;
5476
5477 spin_lock_init(&bp->phy_lock);
5478 spin_lock_init(&bp->tx_lock);
5479 INIT_WORK(&bp->reset_task, bnx2_reset_task, bp);
5480
5481 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
5482 mem_len = MB_GET_CID_ADDR(17);
5483 dev->mem_end = dev->mem_start + mem_len;
5484 dev->irq = pdev->irq;
5485
5486 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
5487
5488 if (!bp->regview) {
5489 printk(KERN_ERR PFX "Cannot map register space, aborting.\n");
5490 rc = -ENOMEM;
5491 goto err_out_release;
5492 }
5493
5494 /* Configure byte swap and enable write to the reg_window registers.
5495 * Rely on CPU to do target byte swapping on big endian systems
5496 * The chip's target access swapping will not swap all accesses
5497 */
5498 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
5499 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
5500 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
5501
5502 bnx2_set_power_state(bp, PCI_D0);
5503
5504 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
5505
5506 /* Get bus information. */
5507 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
5508 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
5509 u32 clkreg;
5510
5511 bp->flags |= PCIX_FLAG;
5512
5513 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
5514
5515 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
5516 switch (clkreg) {
5517 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
5518 bp->bus_speed_mhz = 133;
5519 break;
5520
5521 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
5522 bp->bus_speed_mhz = 100;
5523 break;
5524
5525 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
5526 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
5527 bp->bus_speed_mhz = 66;
5528 break;
5529
5530 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
5531 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
5532 bp->bus_speed_mhz = 50;
5533 break;
5534
5535 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
5536 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
5537 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
5538 bp->bus_speed_mhz = 33;
5539 break;
5540 }
5541 }
5542 else {
5543 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
5544 bp->bus_speed_mhz = 66;
5545 else
5546 bp->bus_speed_mhz = 33;
5547 }
5548
5549 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
5550 bp->flags |= PCI_32BIT_FLAG;
5551
5552 /* 5706A0 may falsely detect SERR and PERR. */
5553 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5554 reg = REG_RD(bp, PCI_COMMAND);
5555 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
5556 REG_WR(bp, PCI_COMMAND, reg);
5557 }
5558 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
5559 !(bp->flags & PCIX_FLAG)) {
5560
5561 printk(KERN_ERR PFX "5706 A1 can only be used in a PCIX bus, "
5562 "aborting.\n");
5563 goto err_out_unmap;
5564 }
5565
5566 bnx2_init_nvram(bp);
5567
5568 reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);
5569
5570 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
5571 BNX2_SHM_HDR_SIGNATURE_SIG)
5572 bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0);
5573 else
5574 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
5575
5576 /* Get the permanent MAC address. First we need to make sure the
5577 * firmware is actually running.
5578 */
5579 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
5580
5581 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
5582 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
5583 printk(KERN_ERR PFX "Firmware not running, aborting.\n");
5584 rc = -ENODEV;
5585 goto err_out_unmap;
5586 }
5587
5588 bp->fw_ver = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
5589
5590 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
5591 bp->mac_addr[0] = (u8) (reg >> 8);
5592 bp->mac_addr[1] = (u8) reg;
5593
5594 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
5595 bp->mac_addr[2] = (u8) (reg >> 24);
5596 bp->mac_addr[3] = (u8) (reg >> 16);
5597 bp->mac_addr[4] = (u8) (reg >> 8);
5598 bp->mac_addr[5] = (u8) reg;
5599
5600 bp->tx_ring_size = MAX_TX_DESC_CNT;
5601 bnx2_set_rx_ring_size(bp, 100);
5602
5603 bp->rx_csum = 1;
5604
5605 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
5606
5607 bp->tx_quick_cons_trip_int = 20;
5608 bp->tx_quick_cons_trip = 20;
5609 bp->tx_ticks_int = 80;
5610 bp->tx_ticks = 80;
5611
5612 bp->rx_quick_cons_trip_int = 6;
5613 bp->rx_quick_cons_trip = 6;
5614 bp->rx_ticks_int = 18;
5615 bp->rx_ticks = 18;
5616
5617 bp->stats_ticks = 1000000 & 0xffff00;
5618
5619 bp->timer_interval = HZ;
5620 bp->current_interval = HZ;
5621
5622 bp->phy_addr = 1;
5623
5624 /* Disable WOL support if we are running on a SERDES chip. */
5625 if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) {
5626 bp->phy_flags |= PHY_SERDES_FLAG;
5627 bp->flags |= NO_WOL_FLAG;
5628 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
5629 bp->phy_addr = 2;
5630 reg = REG_RD_IND(bp, bp->shmem_base +
5631 BNX2_SHARED_HW_CFG_CONFIG);
5632 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
5633 bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
5634 }
5635 }
5636
5637 if (CHIP_NUM(bp) == CHIP_NUM_5708)
5638 bp->flags |= NO_WOL_FLAG;
5639
5640 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5641 bp->tx_quick_cons_trip_int =
5642 bp->tx_quick_cons_trip;
5643 bp->tx_ticks_int = bp->tx_ticks;
5644 bp->rx_quick_cons_trip_int =
5645 bp->rx_quick_cons_trip;
5646 bp->rx_ticks_int = bp->rx_ticks;
5647 bp->comp_prod_trip_int = bp->comp_prod_trip;
5648 bp->com_ticks_int = bp->com_ticks;
5649 bp->cmd_ticks_int = bp->cmd_ticks;
5650 }
5651
5652 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
5653 bp->req_line_speed = 0;
5654 if (bp->phy_flags & PHY_SERDES_FLAG) {
5655 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
5656
5657 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
5658 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
5659 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
5660 bp->autoneg = 0;
5661 bp->req_line_speed = bp->line_speed = SPEED_1000;
5662 bp->req_duplex = DUPLEX_FULL;
5663 }
5664 }
5665 else {
5666 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
5667 }
5668
5669 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
5670
5671 init_timer(&bp->timer);
5672 bp->timer.expires = RUN_AT(bp->timer_interval);
5673 bp->timer.data = (unsigned long) bp;
5674 bp->timer.function = bnx2_timer;
5675
5676 return 0;
5677
5678 err_out_unmap:
5679 if (bp->regview) {
5680 iounmap(bp->regview);
5681 bp->regview = NULL;
5682 }
5683
5684 err_out_release:
5685 pci_release_regions(pdev);
5686
5687 err_out_disable:
5688 pci_disable_device(pdev);
5689 pci_set_drvdata(pdev, NULL);
5690
5691 err_out:
5692 return rc;
5693 }
5694
5695 static int __devinit
5696 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
5697 {
5698 static int version_printed = 0;
5699 struct net_device *dev = NULL;
5700 struct bnx2 *bp;
5701 int rc, i;
5702
5703 if (version_printed++ == 0)
5704 printk(KERN_INFO "%s", version);
5705
5706 /* dev zeroed in init_etherdev */
5707 dev = alloc_etherdev(sizeof(*bp));
5708
5709 if (!dev)
5710 return -ENOMEM;
5711
5712 rc = bnx2_init_board(pdev, dev);
5713 if (rc < 0) {
5714 free_netdev(dev);
5715 return rc;
5716 }
5717
5718 dev->open = bnx2_open;
5719 dev->hard_start_xmit = bnx2_start_xmit;
5720 dev->stop = bnx2_close;
5721 dev->get_stats = bnx2_get_stats;
5722 dev->set_multicast_list = bnx2_set_rx_mode;
5723 dev->do_ioctl = bnx2_ioctl;
5724 dev->set_mac_address = bnx2_change_mac_addr;
5725 dev->change_mtu = bnx2_change_mtu;
5726 dev->tx_timeout = bnx2_tx_timeout;
5727 dev->watchdog_timeo = TX_TIMEOUT;
5728 #ifdef BCM_VLAN
5729 dev->vlan_rx_register = bnx2_vlan_rx_register;
5730 dev->vlan_rx_kill_vid = bnx2_vlan_rx_kill_vid;
5731 #endif
5732 dev->poll = bnx2_poll;
5733 dev->ethtool_ops = &bnx2_ethtool_ops;
5734 dev->weight = 64;
5735
5736 bp = netdev_priv(dev);
5737
5738 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5739 dev->poll_controller = poll_bnx2;
5740 #endif
5741
5742 if ((rc = register_netdev(dev))) {
5743 printk(KERN_ERR PFX "Cannot register net device\n");
5744 if (bp->regview)
5745 iounmap(bp->regview);
5746 pci_release_regions(pdev);
5747 pci_disable_device(pdev);
5748 pci_set_drvdata(pdev, NULL);
5749 free_netdev(dev);
5750 return rc;
5751 }
5752
5753 pci_set_drvdata(pdev, dev);
5754
5755 memcpy(dev->dev_addr, bp->mac_addr, 6);
5756 memcpy(dev->perm_addr, bp->mac_addr, 6);
5757 bp->name = board_info[ent->driver_data].name,
5758 printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz found at mem %lx, "
5759 "IRQ %d, ",
5760 dev->name,
5761 bp->name,
5762 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
5763 ((CHIP_ID(bp) & 0x0ff0) >> 4),
5764 ((bp->flags & PCIX_FLAG) ? "-X" : ""),
5765 ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
5766 bp->bus_speed_mhz,
5767 dev->base_addr,
5768 bp->pdev->irq);
5769
5770 printk("node addr ");
5771 for (i = 0; i < 6; i++)
5772 printk("%2.2x", dev->dev_addr[i]);
5773 printk("\n");
5774
5775 dev->features |= NETIF_F_SG;
5776 if (bp->flags & USING_DAC_FLAG)
5777 dev->features |= NETIF_F_HIGHDMA;
5778 dev->features |= NETIF_F_IP_CSUM;
5779 #ifdef BCM_VLAN
5780 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
5781 #endif
5782 #ifdef BCM_TSO
5783 dev->features |= NETIF_F_TSO;
5784 #endif
5785
5786 netif_carrier_off(bp->dev);
5787
5788 return 0;
5789 }
5790
5791 static void __devexit
5792 bnx2_remove_one(struct pci_dev *pdev)
5793 {
5794 struct net_device *dev = pci_get_drvdata(pdev);
5795 struct bnx2 *bp = netdev_priv(dev);
5796
5797 flush_scheduled_work();
5798
5799 unregister_netdev(dev);
5800
5801 if (bp->regview)
5802 iounmap(bp->regview);
5803
5804 free_netdev(dev);
5805 pci_release_regions(pdev);
5806 pci_disable_device(pdev);
5807 pci_set_drvdata(pdev, NULL);
5808 }
5809
5810 static int
5811 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
5812 {
5813 struct net_device *dev = pci_get_drvdata(pdev);
5814 struct bnx2 *bp = netdev_priv(dev);
5815 u32 reset_code;
5816
5817 if (!netif_running(dev))
5818 return 0;
5819
5820 flush_scheduled_work();
5821 bnx2_netif_stop(bp);
5822 netif_device_detach(dev);
5823 del_timer_sync(&bp->timer);
5824 if (bp->flags & NO_WOL_FLAG)
5825 reset_code = BNX2_DRV_MSG_CODE_UNLOAD;
5826 else if (bp->wol)
5827 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5828 else
5829 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5830 bnx2_reset_chip(bp, reset_code);
5831 bnx2_free_skbs(bp);
5832 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
5833 return 0;
5834 }
5835
5836 static int
5837 bnx2_resume(struct pci_dev *pdev)
5838 {
5839 struct net_device *dev = pci_get_drvdata(pdev);
5840 struct bnx2 *bp = netdev_priv(dev);
5841
5842 if (!netif_running(dev))
5843 return 0;
5844
5845 bnx2_set_power_state(bp, PCI_D0);
5846 netif_device_attach(dev);
5847 bnx2_init_nic(bp);
5848 bnx2_netif_start(bp);
5849 return 0;
5850 }
5851
5852 static struct pci_driver bnx2_pci_driver = {
5853 .name = DRV_MODULE_NAME,
5854 .id_table = bnx2_pci_tbl,
5855 .probe = bnx2_init_one,
5856 .remove = __devexit_p(bnx2_remove_one),
5857 .suspend = bnx2_suspend,
5858 .resume = bnx2_resume,
5859 };
5860
5861 static int __init bnx2_init(void)
5862 {
5863 return pci_module_init(&bnx2_pci_driver);
5864 }
5865
5866 static void __exit bnx2_cleanup(void)
5867 {
5868 pci_unregister_driver(&bnx2_pci_driver);
5869 }
5870
5871 module_init(bnx2_init);
5872 module_exit(bnx2_cleanup);
5873
5874
5875
Verdex Pro support