blob: affb67372e02f03e690e54469da7cc5f0303421e [file] [log] [blame]
Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
3 * Copyright (c) 2004, 2005 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Written by: Michael Chan (mchan@broadcom.com)
10 */
11
12#include "bnx2.h"
13#include "bnx2_fw.h"
14
15#define DRV_MODULE_NAME "bnx2"
16#define PFX DRV_MODULE_NAME ": "
Michael Chanc921e4c2005-09-08 13:15:32 -070017#define DRV_MODULE_VERSION "1.2.21"
18#define DRV_MODULE_RELDATE "September 7, 2005"
Michael Chanb6016b72005-05-26 13:03:09 -070019
20#define RUN_AT(x) (jiffies + (x))
21
22/* Time in jiffies before concluding the transmitter is hung. */
23#define TX_TIMEOUT (5*HZ)
24
25static char version[] __devinitdata =
26 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
27
28MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
29MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706 Driver");
30MODULE_LICENSE("GPL");
31MODULE_VERSION(DRV_MODULE_VERSION);
32
33static int disable_msi = 0;
34
35module_param(disable_msi, int, 0);
36MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
37
38typedef enum {
39 BCM5706 = 0,
40 NC370T,
41 NC370I,
42 BCM5706S,
43 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080044 BCM5708,
45 BCM5708S,
Michael Chanb6016b72005-05-26 13:03:09 -070046} board_t;
47
48/* indexed by board_t, above */
49static struct {
50 char *name;
51} board_info[] __devinitdata = {
52 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
53 { "HP NC370T Multifunction Gigabit Server Adapter" },
54 { "HP NC370i Multifunction Gigabit Server Adapter" },
55 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
56 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -080057 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
58 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -070059 };
60
61static struct pci_device_id bnx2_pci_tbl[] = {
62 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
63 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
64 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
65 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
66 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
67 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -080068 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
69 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -070070 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
71 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
72 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
73 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -080074 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
75 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanb6016b72005-05-26 13:03:09 -070076 { 0, }
77};
78
79static struct flash_spec flash_table[] =
80{
81 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -080082 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chanb6016b72005-05-26 13:03:09 -070083 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
84 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
85 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -080086 /* Expansion entry 0001 */
87 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chanb6016b72005-05-26 13:03:09 -070088 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -080089 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
90 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -070091 /* Saifun SA25F010 (non-buffered flash) */
92 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -080093 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chanb6016b72005-05-26 13:03:09 -070094 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
95 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
96 "Non-buffered flash (128kB)"},
97 /* Saifun SA25F020 (non-buffered flash) */
98 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -080099 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chanb6016b72005-05-26 13:03:09 -0700100 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
101 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
102 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800103 /* Expansion entry 0100 */
104 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
105 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
106 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
107 "Entry 0100"},
108 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
109 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
110 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
111 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
112 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
113 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
114 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
115 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
116 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
117 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
118 /* Saifun SA25F005 (non-buffered flash) */
119 /* strap, cfg1, & write1 need updates */
120 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
121 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
122 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
123 "Non-buffered flash (64kB)"},
124 /* Fast EEPROM */
125 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
126 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
127 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
128 "EEPROM - fast"},
129 /* Expansion entry 1001 */
130 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
131 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
132 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
133 "Entry 1001"},
134 /* Expansion entry 1010 */
135 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
136 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
137 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
138 "Entry 1010"},
139 /* ATMEL AT45DB011B (buffered flash) */
140 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
141 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
142 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
143 "Buffered flash (128kB)"},
144 /* Expansion entry 1100 */
145 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
146 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
147 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
148 "Entry 1100"},
149 /* Expansion entry 1101 */
150 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
151 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
152 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
153 "Entry 1101"},
154 /* Ateml Expansion entry 1110 */
155 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
156 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
157 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
158 "Entry 1110 (Atmel)"},
159 /* ATMEL AT45DB021B (buffered flash) */
160 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
161 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
162 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
163 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700164};
165
166MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
167
Michael Chane89bbf12005-08-25 15:36:58 -0700168static inline u32 bnx2_tx_avail(struct bnx2 *bp)
169{
170 u32 diff = TX_RING_IDX(bp->tx_prod) - TX_RING_IDX(bp->tx_cons);
171
172 if (diff > MAX_TX_DESC_CNT)
173 diff = (diff & MAX_TX_DESC_CNT) - 1;
174 return (bp->tx_ring_size - diff);
175}
176
Michael Chanb6016b72005-05-26 13:03:09 -0700177static u32
178bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
179{
180 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
181 return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
182}
183
184static void
185bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
186{
187 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
188 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
189}
190
191static void
192bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
193{
194 offset += cid_addr;
195 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
196 REG_WR(bp, BNX2_CTX_DATA, val);
197}
198
199static int
200bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
201{
202 u32 val1;
203 int i, ret;
204
205 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
206 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
207 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
208
209 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
210 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
211
212 udelay(40);
213 }
214
215 val1 = (bp->phy_addr << 21) | (reg << 16) |
216 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
217 BNX2_EMAC_MDIO_COMM_START_BUSY;
218 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
219
220 for (i = 0; i < 50; i++) {
221 udelay(10);
222
223 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
224 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
225 udelay(5);
226
227 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
228 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
229
230 break;
231 }
232 }
233
234 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
235 *val = 0x0;
236 ret = -EBUSY;
237 }
238 else {
239 *val = val1;
240 ret = 0;
241 }
242
243 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
244 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
245 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
246
247 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
248 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
249
250 udelay(40);
251 }
252
253 return ret;
254}
255
256static int
257bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
258{
259 u32 val1;
260 int i, ret;
261
262 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
263 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
264 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
265
266 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
267 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
268
269 udelay(40);
270 }
271
272 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
273 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
274 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
275 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
276
277 for (i = 0; i < 50; i++) {
278 udelay(10);
279
280 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
281 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
282 udelay(5);
283 break;
284 }
285 }
286
287 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
288 ret = -EBUSY;
289 else
290 ret = 0;
291
292 if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
293 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
294 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
295
296 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
297 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
298
299 udelay(40);
300 }
301
302 return ret;
303}
304
305static void
306bnx2_disable_int(struct bnx2 *bp)
307{
308 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
309 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
310 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
311}
312
313static void
314bnx2_enable_int(struct bnx2 *bp)
315{
316 u32 val;
317
318 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
319 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
320
321 val = REG_RD(bp, BNX2_HC_COMMAND);
322 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
323}
324
325static void
326bnx2_disable_int_sync(struct bnx2 *bp)
327{
328 atomic_inc(&bp->intr_sem);
329 bnx2_disable_int(bp);
330 synchronize_irq(bp->pdev->irq);
331}
332
333static void
334bnx2_netif_stop(struct bnx2 *bp)
335{
336 bnx2_disable_int_sync(bp);
337 if (netif_running(bp->dev)) {
338 netif_poll_disable(bp->dev);
339 netif_tx_disable(bp->dev);
340 bp->dev->trans_start = jiffies; /* prevent tx timeout */
341 }
342}
343
344static void
345bnx2_netif_start(struct bnx2 *bp)
346{
347 if (atomic_dec_and_test(&bp->intr_sem)) {
348 if (netif_running(bp->dev)) {
349 netif_wake_queue(bp->dev);
350 netif_poll_enable(bp->dev);
351 bnx2_enable_int(bp);
352 }
353 }
354}
355
356static void
357bnx2_free_mem(struct bnx2 *bp)
358{
359 if (bp->stats_blk) {
360 pci_free_consistent(bp->pdev, sizeof(struct statistics_block),
361 bp->stats_blk, bp->stats_blk_mapping);
362 bp->stats_blk = NULL;
363 }
364 if (bp->status_blk) {
365 pci_free_consistent(bp->pdev, sizeof(struct status_block),
366 bp->status_blk, bp->status_blk_mapping);
367 bp->status_blk = NULL;
368 }
369 if (bp->tx_desc_ring) {
370 pci_free_consistent(bp->pdev,
371 sizeof(struct tx_bd) * TX_DESC_CNT,
372 bp->tx_desc_ring, bp->tx_desc_mapping);
373 bp->tx_desc_ring = NULL;
374 }
Jesper Juhlb4558ea2005-10-28 16:53:13 -0400375 kfree(bp->tx_buf_ring);
376 bp->tx_buf_ring = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700377 if (bp->rx_desc_ring) {
378 pci_free_consistent(bp->pdev,
379 sizeof(struct rx_bd) * RX_DESC_CNT,
380 bp->rx_desc_ring, bp->rx_desc_mapping);
381 bp->rx_desc_ring = NULL;
382 }
Jesper Juhlb4558ea2005-10-28 16:53:13 -0400383 kfree(bp->rx_buf_ring);
384 bp->rx_buf_ring = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700385}
386
387static int
388bnx2_alloc_mem(struct bnx2 *bp)
389{
390 bp->tx_buf_ring = kmalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
391 GFP_KERNEL);
392 if (bp->tx_buf_ring == NULL)
393 return -ENOMEM;
394
395 memset(bp->tx_buf_ring, 0, sizeof(struct sw_bd) * TX_DESC_CNT);
396 bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
397 sizeof(struct tx_bd) *
398 TX_DESC_CNT,
399 &bp->tx_desc_mapping);
400 if (bp->tx_desc_ring == NULL)
401 goto alloc_mem_err;
402
403 bp->rx_buf_ring = kmalloc(sizeof(struct sw_bd) * RX_DESC_CNT,
404 GFP_KERNEL);
405 if (bp->rx_buf_ring == NULL)
406 goto alloc_mem_err;
407
408 memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT);
409 bp->rx_desc_ring = pci_alloc_consistent(bp->pdev,
410 sizeof(struct rx_bd) *
411 RX_DESC_CNT,
412 &bp->rx_desc_mapping);
413 if (bp->rx_desc_ring == NULL)
414 goto alloc_mem_err;
415
416 bp->status_blk = pci_alloc_consistent(bp->pdev,
417 sizeof(struct status_block),
418 &bp->status_blk_mapping);
419 if (bp->status_blk == NULL)
420 goto alloc_mem_err;
421
422 memset(bp->status_blk, 0, sizeof(struct status_block));
423
424 bp->stats_blk = pci_alloc_consistent(bp->pdev,
425 sizeof(struct statistics_block),
426 &bp->stats_blk_mapping);
427 if (bp->stats_blk == NULL)
428 goto alloc_mem_err;
429
430 memset(bp->stats_blk, 0, sizeof(struct statistics_block));
431
432 return 0;
433
434alloc_mem_err:
435 bnx2_free_mem(bp);
436 return -ENOMEM;
437}
438
439static void
Michael Chane3648b32005-11-04 08:51:21 -0800440bnx2_report_fw_link(struct bnx2 *bp)
441{
442 u32 fw_link_status = 0;
443
444 if (bp->link_up) {
445 u32 bmsr;
446
447 switch (bp->line_speed) {
448 case SPEED_10:
449 if (bp->duplex == DUPLEX_HALF)
450 fw_link_status = BNX2_LINK_STATUS_10HALF;
451 else
452 fw_link_status = BNX2_LINK_STATUS_10FULL;
453 break;
454 case SPEED_100:
455 if (bp->duplex == DUPLEX_HALF)
456 fw_link_status = BNX2_LINK_STATUS_100HALF;
457 else
458 fw_link_status = BNX2_LINK_STATUS_100FULL;
459 break;
460 case SPEED_1000:
461 if (bp->duplex == DUPLEX_HALF)
462 fw_link_status = BNX2_LINK_STATUS_1000HALF;
463 else
464 fw_link_status = BNX2_LINK_STATUS_1000FULL;
465 break;
466 case SPEED_2500:
467 if (bp->duplex == DUPLEX_HALF)
468 fw_link_status = BNX2_LINK_STATUS_2500HALF;
469 else
470 fw_link_status = BNX2_LINK_STATUS_2500FULL;
471 break;
472 }
473
474 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
475
476 if (bp->autoneg) {
477 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
478
479 bnx2_read_phy(bp, MII_BMSR, &bmsr);
480 bnx2_read_phy(bp, MII_BMSR, &bmsr);
481
482 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
483 bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
484 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
485 else
486 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
487 }
488 }
489 else
490 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
491
492 REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
493}
494
495static void
Michael Chanb6016b72005-05-26 13:03:09 -0700496bnx2_report_link(struct bnx2 *bp)
497{
498 if (bp->link_up) {
499 netif_carrier_on(bp->dev);
500 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
501
502 printk("%d Mbps ", bp->line_speed);
503
504 if (bp->duplex == DUPLEX_FULL)
505 printk("full duplex");
506 else
507 printk("half duplex");
508
509 if (bp->flow_ctrl) {
510 if (bp->flow_ctrl & FLOW_CTRL_RX) {
511 printk(", receive ");
512 if (bp->flow_ctrl & FLOW_CTRL_TX)
513 printk("& transmit ");
514 }
515 else {
516 printk(", transmit ");
517 }
518 printk("flow control ON");
519 }
520 printk("\n");
521 }
522 else {
523 netif_carrier_off(bp->dev);
524 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
525 }
Michael Chane3648b32005-11-04 08:51:21 -0800526
527 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700528}
529
530static void
531bnx2_resolve_flow_ctrl(struct bnx2 *bp)
532{
533 u32 local_adv, remote_adv;
534
535 bp->flow_ctrl = 0;
536 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
537 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
538
539 if (bp->duplex == DUPLEX_FULL) {
540 bp->flow_ctrl = bp->req_flow_ctrl;
541 }
542 return;
543 }
544
545 if (bp->duplex != DUPLEX_FULL) {
546 return;
547 }
548
Michael Chan5b0c76a2005-11-04 08:45:49 -0800549 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
550 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
551 u32 val;
552
553 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
554 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
555 bp->flow_ctrl |= FLOW_CTRL_TX;
556 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
557 bp->flow_ctrl |= FLOW_CTRL_RX;
558 return;
559 }
560
Michael Chanb6016b72005-05-26 13:03:09 -0700561 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
562 bnx2_read_phy(bp, MII_LPA, &remote_adv);
563
564 if (bp->phy_flags & PHY_SERDES_FLAG) {
565 u32 new_local_adv = 0;
566 u32 new_remote_adv = 0;
567
568 if (local_adv & ADVERTISE_1000XPAUSE)
569 new_local_adv |= ADVERTISE_PAUSE_CAP;
570 if (local_adv & ADVERTISE_1000XPSE_ASYM)
571 new_local_adv |= ADVERTISE_PAUSE_ASYM;
572 if (remote_adv & ADVERTISE_1000XPAUSE)
573 new_remote_adv |= ADVERTISE_PAUSE_CAP;
574 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
575 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
576
577 local_adv = new_local_adv;
578 remote_adv = new_remote_adv;
579 }
580
581 /* See Table 28B-3 of 802.3ab-1999 spec. */
582 if (local_adv & ADVERTISE_PAUSE_CAP) {
583 if(local_adv & ADVERTISE_PAUSE_ASYM) {
584 if (remote_adv & ADVERTISE_PAUSE_CAP) {
585 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
586 }
587 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
588 bp->flow_ctrl = FLOW_CTRL_RX;
589 }
590 }
591 else {
592 if (remote_adv & ADVERTISE_PAUSE_CAP) {
593 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
594 }
595 }
596 }
597 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
598 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
599 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
600
601 bp->flow_ctrl = FLOW_CTRL_TX;
602 }
603 }
604}
605
606static int
Michael Chan5b0c76a2005-11-04 08:45:49 -0800607bnx2_5708s_linkup(struct bnx2 *bp)
608{
609 u32 val;
610
611 bp->link_up = 1;
612 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
613 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
614 case BCM5708S_1000X_STAT1_SPEED_10:
615 bp->line_speed = SPEED_10;
616 break;
617 case BCM5708S_1000X_STAT1_SPEED_100:
618 bp->line_speed = SPEED_100;
619 break;
620 case BCM5708S_1000X_STAT1_SPEED_1G:
621 bp->line_speed = SPEED_1000;
622 break;
623 case BCM5708S_1000X_STAT1_SPEED_2G5:
624 bp->line_speed = SPEED_2500;
625 break;
626 }
627 if (val & BCM5708S_1000X_STAT1_FD)
628 bp->duplex = DUPLEX_FULL;
629 else
630 bp->duplex = DUPLEX_HALF;
631
632 return 0;
633}
634
635static int
636bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -0700637{
638 u32 bmcr, local_adv, remote_adv, common;
639
640 bp->link_up = 1;
641 bp->line_speed = SPEED_1000;
642
643 bnx2_read_phy(bp, MII_BMCR, &bmcr);
644 if (bmcr & BMCR_FULLDPLX) {
645 bp->duplex = DUPLEX_FULL;
646 }
647 else {
648 bp->duplex = DUPLEX_HALF;
649 }
650
651 if (!(bmcr & BMCR_ANENABLE)) {
652 return 0;
653 }
654
655 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
656 bnx2_read_phy(bp, MII_LPA, &remote_adv);
657
658 common = local_adv & remote_adv;
659 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
660
661 if (common & ADVERTISE_1000XFULL) {
662 bp->duplex = DUPLEX_FULL;
663 }
664 else {
665 bp->duplex = DUPLEX_HALF;
666 }
667 }
668
669 return 0;
670}
671
672static int
673bnx2_copper_linkup(struct bnx2 *bp)
674{
675 u32 bmcr;
676
677 bnx2_read_phy(bp, MII_BMCR, &bmcr);
678 if (bmcr & BMCR_ANENABLE) {
679 u32 local_adv, remote_adv, common;
680
681 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
682 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
683
684 common = local_adv & (remote_adv >> 2);
685 if (common & ADVERTISE_1000FULL) {
686 bp->line_speed = SPEED_1000;
687 bp->duplex = DUPLEX_FULL;
688 }
689 else if (common & ADVERTISE_1000HALF) {
690 bp->line_speed = SPEED_1000;
691 bp->duplex = DUPLEX_HALF;
692 }
693 else {
694 bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
695 bnx2_read_phy(bp, MII_LPA, &remote_adv);
696
697 common = local_adv & remote_adv;
698 if (common & ADVERTISE_100FULL) {
699 bp->line_speed = SPEED_100;
700 bp->duplex = DUPLEX_FULL;
701 }
702 else if (common & ADVERTISE_100HALF) {
703 bp->line_speed = SPEED_100;
704 bp->duplex = DUPLEX_HALF;
705 }
706 else if (common & ADVERTISE_10FULL) {
707 bp->line_speed = SPEED_10;
708 bp->duplex = DUPLEX_FULL;
709 }
710 else if (common & ADVERTISE_10HALF) {
711 bp->line_speed = SPEED_10;
712 bp->duplex = DUPLEX_HALF;
713 }
714 else {
715 bp->line_speed = 0;
716 bp->link_up = 0;
717 }
718 }
719 }
720 else {
721 if (bmcr & BMCR_SPEED100) {
722 bp->line_speed = SPEED_100;
723 }
724 else {
725 bp->line_speed = SPEED_10;
726 }
727 if (bmcr & BMCR_FULLDPLX) {
728 bp->duplex = DUPLEX_FULL;
729 }
730 else {
731 bp->duplex = DUPLEX_HALF;
732 }
733 }
734
735 return 0;
736}
737
738static int
739bnx2_set_mac_link(struct bnx2 *bp)
740{
741 u32 val;
742
743 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
744 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
745 (bp->duplex == DUPLEX_HALF)) {
746 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
747 }
748
749 /* Configure the EMAC mode register. */
750 val = REG_RD(bp, BNX2_EMAC_MODE);
751
752 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -0800753 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
754 BNX2_EMAC_MODE_25G);
Michael Chanb6016b72005-05-26 13:03:09 -0700755
756 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -0800757 switch (bp->line_speed) {
758 case SPEED_10:
759 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
760 val |= BNX2_EMAC_MODE_PORT_MII_10;
761 break;
762 }
763 /* fall through */
764 case SPEED_100:
765 val |= BNX2_EMAC_MODE_PORT_MII;
766 break;
767 case SPEED_2500:
768 val |= BNX2_EMAC_MODE_25G;
769 /* fall through */
770 case SPEED_1000:
771 val |= BNX2_EMAC_MODE_PORT_GMII;
772 break;
773 }
Michael Chanb6016b72005-05-26 13:03:09 -0700774 }
775 else {
776 val |= BNX2_EMAC_MODE_PORT_GMII;
777 }
778
779 /* Set the MAC to operate in the appropriate duplex mode. */
780 if (bp->duplex == DUPLEX_HALF)
781 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
782 REG_WR(bp, BNX2_EMAC_MODE, val);
783
784 /* Enable/disable rx PAUSE. */
785 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
786
787 if (bp->flow_ctrl & FLOW_CTRL_RX)
788 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
789 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
790
791 /* Enable/disable tx PAUSE. */
792 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
793 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
794
795 if (bp->flow_ctrl & FLOW_CTRL_TX)
796 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
797 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
798
799 /* Acknowledge the interrupt. */
800 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
801
802 return 0;
803}
804
805static int
806bnx2_set_link(struct bnx2 *bp)
807{
808 u32 bmsr;
809 u8 link_up;
810
811 if (bp->loopback == MAC_LOOPBACK) {
812 bp->link_up = 1;
813 return 0;
814 }
815
816 link_up = bp->link_up;
817
818 bnx2_read_phy(bp, MII_BMSR, &bmsr);
819 bnx2_read_phy(bp, MII_BMSR, &bmsr);
820
821 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
822 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
823 u32 val;
824
825 val = REG_RD(bp, BNX2_EMAC_STATUS);
826 if (val & BNX2_EMAC_STATUS_LINK)
827 bmsr |= BMSR_LSTATUS;
828 else
829 bmsr &= ~BMSR_LSTATUS;
830 }
831
832 if (bmsr & BMSR_LSTATUS) {
833 bp->link_up = 1;
834
835 if (bp->phy_flags & PHY_SERDES_FLAG) {
Michael Chan5b0c76a2005-11-04 08:45:49 -0800836 if (CHIP_NUM(bp) == CHIP_NUM_5706)
837 bnx2_5706s_linkup(bp);
838 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
839 bnx2_5708s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700840 }
841 else {
842 bnx2_copper_linkup(bp);
843 }
844 bnx2_resolve_flow_ctrl(bp);
845 }
846 else {
847 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
848 (bp->autoneg & AUTONEG_SPEED)) {
849
850 u32 bmcr;
851
852 bnx2_read_phy(bp, MII_BMCR, &bmcr);
853 if (!(bmcr & BMCR_ANENABLE)) {
854 bnx2_write_phy(bp, MII_BMCR, bmcr |
855 BMCR_ANENABLE);
856 }
857 }
858 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
859 bp->link_up = 0;
860 }
861
862 if (bp->link_up != link_up) {
863 bnx2_report_link(bp);
864 }
865
866 bnx2_set_mac_link(bp);
867
868 return 0;
869}
870
871static int
872bnx2_reset_phy(struct bnx2 *bp)
873{
874 int i;
875 u32 reg;
876
877 bnx2_write_phy(bp, MII_BMCR, BMCR_RESET);
878
879#define PHY_RESET_MAX_WAIT 100
880 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
881 udelay(10);
882
883 bnx2_read_phy(bp, MII_BMCR, &reg);
884 if (!(reg & BMCR_RESET)) {
885 udelay(20);
886 break;
887 }
888 }
889 if (i == PHY_RESET_MAX_WAIT) {
890 return -EBUSY;
891 }
892 return 0;
893}
894
895static u32
896bnx2_phy_get_pause_adv(struct bnx2 *bp)
897{
898 u32 adv = 0;
899
900 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
901 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
902
903 if (bp->phy_flags & PHY_SERDES_FLAG) {
904 adv = ADVERTISE_1000XPAUSE;
905 }
906 else {
907 adv = ADVERTISE_PAUSE_CAP;
908 }
909 }
910 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
911 if (bp->phy_flags & PHY_SERDES_FLAG) {
912 adv = ADVERTISE_1000XPSE_ASYM;
913 }
914 else {
915 adv = ADVERTISE_PAUSE_ASYM;
916 }
917 }
918 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
919 if (bp->phy_flags & PHY_SERDES_FLAG) {
920 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
921 }
922 else {
923 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
924 }
925 }
926 return adv;
927}
928
929static int
930bnx2_setup_serdes_phy(struct bnx2 *bp)
931{
Michael Chan5b0c76a2005-11-04 08:45:49 -0800932 u32 adv, bmcr, up1;
Michael Chanb6016b72005-05-26 13:03:09 -0700933 u32 new_adv = 0;
934
935 if (!(bp->autoneg & AUTONEG_SPEED)) {
936 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -0800937 int force_link_down = 0;
938
939 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
940 bnx2_read_phy(bp, BCM5708S_UP1, &up1);
941 if (up1 & BCM5708S_UP1_2G5) {
942 up1 &= ~BCM5708S_UP1_2G5;
943 bnx2_write_phy(bp, BCM5708S_UP1, up1);
944 force_link_down = 1;
945 }
946 }
947
948 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
949 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
Michael Chanb6016b72005-05-26 13:03:09 -0700950
951 bnx2_read_phy(bp, MII_BMCR, &bmcr);
952 new_bmcr = bmcr & ~BMCR_ANENABLE;
953 new_bmcr |= BMCR_SPEED1000;
954 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -0800955 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700956 new_bmcr |= BMCR_FULLDPLX;
957 }
958 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -0800959 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -0700960 new_bmcr &= ~BMCR_FULLDPLX;
961 }
Michael Chan5b0c76a2005-11-04 08:45:49 -0800962 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -0700963 /* Force a link down visible on the other side */
964 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -0800965 bnx2_write_phy(bp, MII_ADVERTISE, adv &
966 ~(ADVERTISE_1000XFULL |
967 ADVERTISE_1000XHALF));
Michael Chanb6016b72005-05-26 13:03:09 -0700968 bnx2_write_phy(bp, MII_BMCR, bmcr |
969 BMCR_ANRESTART | BMCR_ANENABLE);
970
971 bp->link_up = 0;
972 netif_carrier_off(bp->dev);
Michael Chan5b0c76a2005-11-04 08:45:49 -0800973 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -0700974 }
Michael Chan5b0c76a2005-11-04 08:45:49 -0800975 bnx2_write_phy(bp, MII_ADVERTISE, adv);
Michael Chanb6016b72005-05-26 13:03:09 -0700976 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
977 }
978 return 0;
979 }
980
Michael Chan5b0c76a2005-11-04 08:45:49 -0800981 if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
982 bnx2_read_phy(bp, BCM5708S_UP1, &up1);
983 up1 |= BCM5708S_UP1_2G5;
984 bnx2_write_phy(bp, BCM5708S_UP1, up1);
985 }
986
Michael Chanb6016b72005-05-26 13:03:09 -0700987 if (bp->advertising & ADVERTISED_1000baseT_Full)
988 new_adv |= ADVERTISE_1000XFULL;
989
990 new_adv |= bnx2_phy_get_pause_adv(bp);
991
992 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
993 bnx2_read_phy(bp, MII_BMCR, &bmcr);
994
995 bp->serdes_an_pending = 0;
996 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
997 /* Force a link down visible on the other side */
998 if (bp->link_up) {
999 int i;
1000
1001 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
1002 for (i = 0; i < 110; i++) {
1003 udelay(100);
1004 }
1005 }
1006
1007 bnx2_write_phy(bp, MII_ADVERTISE, new_adv);
1008 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART |
1009 BMCR_ANENABLE);
Michael Chancd339a02005-08-25 15:35:24 -07001010 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
1011 /* Speed up link-up time when the link partner
1012 * does not autonegotiate which is very common
1013 * in blade servers. Some blade servers use
1014 * IPMI for kerboard input and it's important
1015 * to minimize link disruptions. Autoneg. involves
1016 * exchanging base pages plus 3 next pages and
1017 * normally completes in about 120 msec.
1018 */
1019 bp->current_interval = SERDES_AN_TIMEOUT;
1020 bp->serdes_an_pending = 1;
1021 mod_timer(&bp->timer, jiffies + bp->current_interval);
1022 }
Michael Chanb6016b72005-05-26 13:03:09 -07001023 }
1024
1025 return 0;
1026}
1027
1028#define ETHTOOL_ALL_FIBRE_SPEED \
1029 (ADVERTISED_1000baseT_Full)
1030
1031#define ETHTOOL_ALL_COPPER_SPEED \
1032 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1033 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1034 ADVERTISED_1000baseT_Full)
1035
1036#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1037 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1038
1039#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1040
1041static int
1042bnx2_setup_copper_phy(struct bnx2 *bp)
1043{
1044 u32 bmcr;
1045 u32 new_bmcr;
1046
1047 bnx2_read_phy(bp, MII_BMCR, &bmcr);
1048
1049 if (bp->autoneg & AUTONEG_SPEED) {
1050 u32 adv_reg, adv1000_reg;
1051 u32 new_adv_reg = 0;
1052 u32 new_adv1000_reg = 0;
1053
1054 bnx2_read_phy(bp, MII_ADVERTISE, &adv_reg);
1055 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1056 ADVERTISE_PAUSE_ASYM);
1057
1058 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1059 adv1000_reg &= PHY_ALL_1000_SPEED;
1060
1061 if (bp->advertising & ADVERTISED_10baseT_Half)
1062 new_adv_reg |= ADVERTISE_10HALF;
1063 if (bp->advertising & ADVERTISED_10baseT_Full)
1064 new_adv_reg |= ADVERTISE_10FULL;
1065 if (bp->advertising & ADVERTISED_100baseT_Half)
1066 new_adv_reg |= ADVERTISE_100HALF;
1067 if (bp->advertising & ADVERTISED_100baseT_Full)
1068 new_adv_reg |= ADVERTISE_100FULL;
1069 if (bp->advertising & ADVERTISED_1000baseT_Full)
1070 new_adv1000_reg |= ADVERTISE_1000FULL;
1071
1072 new_adv_reg |= ADVERTISE_CSMA;
1073
1074 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1075
1076 if ((adv1000_reg != new_adv1000_reg) ||
1077 (adv_reg != new_adv_reg) ||
1078 ((bmcr & BMCR_ANENABLE) == 0)) {
1079
1080 bnx2_write_phy(bp, MII_ADVERTISE, new_adv_reg);
1081 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1082 bnx2_write_phy(bp, MII_BMCR, BMCR_ANRESTART |
1083 BMCR_ANENABLE);
1084 }
1085 else if (bp->link_up) {
1086 /* Flow ctrl may have changed from auto to forced */
1087 /* or vice-versa. */
1088
1089 bnx2_resolve_flow_ctrl(bp);
1090 bnx2_set_mac_link(bp);
1091 }
1092 return 0;
1093 }
1094
1095 new_bmcr = 0;
1096 if (bp->req_line_speed == SPEED_100) {
1097 new_bmcr |= BMCR_SPEED100;
1098 }
1099 if (bp->req_duplex == DUPLEX_FULL) {
1100 new_bmcr |= BMCR_FULLDPLX;
1101 }
1102 if (new_bmcr != bmcr) {
1103 u32 bmsr;
1104 int i = 0;
1105
1106 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1107 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1108
1109 if (bmsr & BMSR_LSTATUS) {
1110 /* Force link down */
1111 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
1112 do {
1113 udelay(100);
1114 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1115 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1116 i++;
1117 } while ((bmsr & BMSR_LSTATUS) && (i < 620));
1118 }
1119
1120 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
1121
1122 /* Normally, the new speed is setup after the link has
1123 * gone down and up again. In some cases, link will not go
1124 * down so we need to set up the new speed here.
1125 */
1126 if (bmsr & BMSR_LSTATUS) {
1127 bp->line_speed = bp->req_line_speed;
1128 bp->duplex = bp->req_duplex;
1129 bnx2_resolve_flow_ctrl(bp);
1130 bnx2_set_mac_link(bp);
1131 }
1132 }
1133 return 0;
1134}
1135
1136static int
1137bnx2_setup_phy(struct bnx2 *bp)
1138{
1139 if (bp->loopback == MAC_LOOPBACK)
1140 return 0;
1141
1142 if (bp->phy_flags & PHY_SERDES_FLAG) {
1143 return (bnx2_setup_serdes_phy(bp));
1144 }
1145 else {
1146 return (bnx2_setup_copper_phy(bp));
1147 }
1148}
1149
1150static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001151bnx2_init_5708s_phy(struct bnx2 *bp)
1152{
1153 u32 val;
1154
1155 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1156 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1157 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1158
1159 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1160 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1161 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1162
1163 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1164 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1165 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1166
1167 if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
1168 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1169 val |= BCM5708S_UP1_2G5;
1170 bnx2_write_phy(bp, BCM5708S_UP1, val);
1171 }
1172
1173 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
1174 (CHIP_ID(bp) == CHIP_ID_5708_B0)) {
1175 /* increase tx signal amplitude */
1176 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1177 BCM5708S_BLK_ADDR_TX_MISC);
1178 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1179 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1180 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1181 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1182 }
1183
Michael Chane3648b32005-11-04 08:51:21 -08001184 val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001185 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1186
1187 if (val) {
1188 u32 is_backplane;
1189
Michael Chane3648b32005-11-04 08:51:21 -08001190 is_backplane = REG_RD_IND(bp, bp->shmem_base +
Michael Chan5b0c76a2005-11-04 08:45:49 -08001191 BNX2_SHARED_HW_CFG_CONFIG);
1192 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1193 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1194 BCM5708S_BLK_ADDR_TX_MISC);
1195 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1196 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1197 BCM5708S_BLK_ADDR_DIG);
1198 }
1199 }
1200 return 0;
1201}
1202
1203static int
1204bnx2_init_5706s_phy(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001205{
1206 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
1207
1208 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
1209 REG_WR(bp, BNX2_MISC_UNUSED0, 0x300);
1210 }
1211
1212 if (bp->dev->mtu > 1500) {
1213 u32 val;
1214
1215 /* Set extended packet length bit */
1216 bnx2_write_phy(bp, 0x18, 0x7);
1217 bnx2_read_phy(bp, 0x18, &val);
1218 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
1219
1220 bnx2_write_phy(bp, 0x1c, 0x6c00);
1221 bnx2_read_phy(bp, 0x1c, &val);
1222 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
1223 }
1224 else {
1225 u32 val;
1226
1227 bnx2_write_phy(bp, 0x18, 0x7);
1228 bnx2_read_phy(bp, 0x18, &val);
1229 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1230
1231 bnx2_write_phy(bp, 0x1c, 0x6c00);
1232 bnx2_read_phy(bp, 0x1c, &val);
1233 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
1234 }
1235
1236 return 0;
1237}
1238
1239static int
1240bnx2_init_copper_phy(struct bnx2 *bp)
1241{
Michael Chan5b0c76a2005-11-04 08:45:49 -08001242 u32 val;
1243
Michael Chanb6016b72005-05-26 13:03:09 -07001244 bp->phy_flags |= PHY_CRC_FIX_FLAG;
1245
1246 if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
1247 bnx2_write_phy(bp, 0x18, 0x0c00);
1248 bnx2_write_phy(bp, 0x17, 0x000a);
1249 bnx2_write_phy(bp, 0x15, 0x310b);
1250 bnx2_write_phy(bp, 0x17, 0x201f);
1251 bnx2_write_phy(bp, 0x15, 0x9506);
1252 bnx2_write_phy(bp, 0x17, 0x401f);
1253 bnx2_write_phy(bp, 0x15, 0x14e2);
1254 bnx2_write_phy(bp, 0x18, 0x0400);
1255 }
1256
1257 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07001258 /* Set extended packet length bit */
1259 bnx2_write_phy(bp, 0x18, 0x7);
1260 bnx2_read_phy(bp, 0x18, &val);
1261 bnx2_write_phy(bp, 0x18, val | 0x4000);
1262
1263 bnx2_read_phy(bp, 0x10, &val);
1264 bnx2_write_phy(bp, 0x10, val | 0x1);
1265 }
1266 else {
Michael Chanb6016b72005-05-26 13:03:09 -07001267 bnx2_write_phy(bp, 0x18, 0x7);
1268 bnx2_read_phy(bp, 0x18, &val);
1269 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1270
1271 bnx2_read_phy(bp, 0x10, &val);
1272 bnx2_write_phy(bp, 0x10, val & ~0x1);
1273 }
1274
Michael Chan5b0c76a2005-11-04 08:45:49 -08001275 /* ethernet@wirespeed */
1276 bnx2_write_phy(bp, 0x18, 0x7007);
1277 bnx2_read_phy(bp, 0x18, &val);
1278 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07001279 return 0;
1280}
1281
1282
1283static int
1284bnx2_init_phy(struct bnx2 *bp)
1285{
1286 u32 val;
1287 int rc = 0;
1288
1289 bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
1290 bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
1291
1292 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
1293
1294 bnx2_reset_phy(bp);
1295
1296 bnx2_read_phy(bp, MII_PHYSID1, &val);
1297 bp->phy_id = val << 16;
1298 bnx2_read_phy(bp, MII_PHYSID2, &val);
1299 bp->phy_id |= val & 0xffff;
1300
1301 if (bp->phy_flags & PHY_SERDES_FLAG) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001302 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1303 rc = bnx2_init_5706s_phy(bp);
1304 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1305 rc = bnx2_init_5708s_phy(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001306 }
1307 else {
1308 rc = bnx2_init_copper_phy(bp);
1309 }
1310
1311 bnx2_setup_phy(bp);
1312
1313 return rc;
1314}
1315
1316static int
1317bnx2_set_mac_loopback(struct bnx2 *bp)
1318{
1319 u32 mac_mode;
1320
1321 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1322 mac_mode &= ~BNX2_EMAC_MODE_PORT;
1323 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
1324 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1325 bp->link_up = 1;
1326 return 0;
1327}
1328
1329static int
1330bnx2_fw_sync(struct bnx2 *bp, u32 msg_data)
1331{
1332 int i;
1333 u32 val;
1334
1335 if (bp->fw_timed_out)
1336 return -EBUSY;
1337
1338 bp->fw_wr_seq++;
1339 msg_data |= bp->fw_wr_seq;
1340
Michael Chane3648b32005-11-04 08:51:21 -08001341 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07001342
1343 /* wait for an acknowledgement. */
1344 for (i = 0; i < (FW_ACK_TIME_OUT_MS * 1000)/5; i++) {
1345 udelay(5);
1346
Michael Chane3648b32005-11-04 08:51:21 -08001347 val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07001348
1349 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
1350 break;
1351 }
1352
1353 /* If we timed out, inform the firmware that this is the case. */
1354 if (((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) &&
1355 ((msg_data & BNX2_DRV_MSG_DATA) != BNX2_DRV_MSG_DATA_WAIT0)) {
1356
1357 msg_data &= ~BNX2_DRV_MSG_CODE;
1358 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
1359
Michael Chane3648b32005-11-04 08:51:21 -08001360 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07001361
1362 bp->fw_timed_out = 1;
1363
1364 return -EBUSY;
1365 }
1366
1367 return 0;
1368}
1369
1370static void
1371bnx2_init_context(struct bnx2 *bp)
1372{
1373 u32 vcid;
1374
1375 vcid = 96;
1376 while (vcid) {
1377 u32 vcid_addr, pcid_addr, offset;
1378
1379 vcid--;
1380
1381 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
1382 u32 new_vcid;
1383
1384 vcid_addr = GET_PCID_ADDR(vcid);
1385 if (vcid & 0x8) {
1386 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
1387 }
1388 else {
1389 new_vcid = vcid;
1390 }
1391 pcid_addr = GET_PCID_ADDR(new_vcid);
1392 }
1393 else {
1394 vcid_addr = GET_CID_ADDR(vcid);
1395 pcid_addr = vcid_addr;
1396 }
1397
1398 REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
1399 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1400
1401 /* Zero out the context. */
1402 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) {
1403 CTX_WR(bp, 0x00, offset, 0);
1404 }
1405
1406 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
1407 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1408 }
1409}
1410
1411static int
1412bnx2_alloc_bad_rbuf(struct bnx2 *bp)
1413{
1414 u16 *good_mbuf;
1415 u32 good_mbuf_cnt;
1416 u32 val;
1417
1418 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
1419 if (good_mbuf == NULL) {
1420 printk(KERN_ERR PFX "Failed to allocate memory in "
1421 "bnx2_alloc_bad_rbuf\n");
1422 return -ENOMEM;
1423 }
1424
1425 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
1426 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
1427
1428 good_mbuf_cnt = 0;
1429
1430 /* Allocate a bunch of mbufs and save the good ones in an array. */
1431 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1432 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
1433 REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
1434
1435 val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
1436
1437 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
1438
1439 /* The addresses with Bit 9 set are bad memory blocks. */
1440 if (!(val & (1 << 9))) {
1441 good_mbuf[good_mbuf_cnt] = (u16) val;
1442 good_mbuf_cnt++;
1443 }
1444
1445 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1446 }
1447
1448 /* Free the good ones back to the mbuf pool thus discarding
1449 * all the bad ones. */
1450 while (good_mbuf_cnt) {
1451 good_mbuf_cnt--;
1452
1453 val = good_mbuf[good_mbuf_cnt];
1454 val = (val << 9) | val | 1;
1455
1456 REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
1457 }
1458 kfree(good_mbuf);
1459 return 0;
1460}
1461
1462static void
1463bnx2_set_mac_addr(struct bnx2 *bp)
1464{
1465 u32 val;
1466 u8 *mac_addr = bp->dev->dev_addr;
1467
1468 val = (mac_addr[0] << 8) | mac_addr[1];
1469
1470 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
1471
1472 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
1473 (mac_addr[4] << 8) | mac_addr[5];
1474
1475 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
1476}
1477
1478static inline int
1479bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
1480{
1481 struct sk_buff *skb;
1482 struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
1483 dma_addr_t mapping;
1484 struct rx_bd *rxbd = &bp->rx_desc_ring[index];
1485 unsigned long align;
1486
1487 skb = dev_alloc_skb(bp->rx_buf_size);
1488 if (skb == NULL) {
1489 return -ENOMEM;
1490 }
1491
1492 if (unlikely((align = (unsigned long) skb->data & 0x7))) {
1493 skb_reserve(skb, 8 - align);
1494 }
1495
1496 skb->dev = bp->dev;
1497 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1498 PCI_DMA_FROMDEVICE);
1499
1500 rx_buf->skb = skb;
1501 pci_unmap_addr_set(rx_buf, mapping, mapping);
1502
1503 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
1504 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
1505
1506 bp->rx_prod_bseq += bp->rx_buf_use_size;
1507
1508 return 0;
1509}
1510
1511static void
1512bnx2_phy_int(struct bnx2 *bp)
1513{
1514 u32 new_link_state, old_link_state;
1515
1516 new_link_state = bp->status_blk->status_attn_bits &
1517 STATUS_ATTN_BITS_LINK_STATE;
1518 old_link_state = bp->status_blk->status_attn_bits_ack &
1519 STATUS_ATTN_BITS_LINK_STATE;
1520 if (new_link_state != old_link_state) {
1521 if (new_link_state) {
1522 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD,
1523 STATUS_ATTN_BITS_LINK_STATE);
1524 }
1525 else {
1526 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD,
1527 STATUS_ATTN_BITS_LINK_STATE);
1528 }
1529 bnx2_set_link(bp);
1530 }
1531}
1532
1533static void
1534bnx2_tx_int(struct bnx2 *bp)
1535{
1536 u16 hw_cons, sw_cons, sw_ring_cons;
1537 int tx_free_bd = 0;
1538
1539 hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
1540 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1541 hw_cons++;
1542 }
1543 sw_cons = bp->tx_cons;
1544
1545 while (sw_cons != hw_cons) {
1546 struct sw_bd *tx_buf;
1547 struct sk_buff *skb;
1548 int i, last;
1549
1550 sw_ring_cons = TX_RING_IDX(sw_cons);
1551
1552 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
1553 skb = tx_buf->skb;
1554#ifdef BCM_TSO
1555 /* partial BD completions possible with TSO packets */
1556 if (skb_shinfo(skb)->tso_size) {
1557 u16 last_idx, last_ring_idx;
1558
1559 last_idx = sw_cons +
1560 skb_shinfo(skb)->nr_frags + 1;
1561 last_ring_idx = sw_ring_cons +
1562 skb_shinfo(skb)->nr_frags + 1;
1563 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
1564 last_idx++;
1565 }
1566 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
1567 break;
1568 }
1569 }
1570#endif
1571 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
1572 skb_headlen(skb), PCI_DMA_TODEVICE);
1573
1574 tx_buf->skb = NULL;
1575 last = skb_shinfo(skb)->nr_frags;
1576
1577 for (i = 0; i < last; i++) {
1578 sw_cons = NEXT_TX_BD(sw_cons);
1579
1580 pci_unmap_page(bp->pdev,
1581 pci_unmap_addr(
1582 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
1583 mapping),
1584 skb_shinfo(skb)->frags[i].size,
1585 PCI_DMA_TODEVICE);
1586 }
1587
1588 sw_cons = NEXT_TX_BD(sw_cons);
1589
1590 tx_free_bd += last + 1;
1591
1592 dev_kfree_skb_irq(skb);
1593
1594 hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
1595 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1596 hw_cons++;
1597 }
1598 }
1599
Michael Chane89bbf12005-08-25 15:36:58 -07001600 bp->tx_cons = sw_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07001601
1602 if (unlikely(netif_queue_stopped(bp->dev))) {
Michael Chanc770a652005-08-25 15:38:39 -07001603 spin_lock(&bp->tx_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001604 if ((netif_queue_stopped(bp->dev)) &&
Michael Chane89bbf12005-08-25 15:36:58 -07001605 (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001606
1607 netif_wake_queue(bp->dev);
1608 }
Michael Chanc770a652005-08-25 15:38:39 -07001609 spin_unlock(&bp->tx_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001610 }
Michael Chanb6016b72005-05-26 13:03:09 -07001611}
1612
1613static inline void
1614bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
1615 u16 cons, u16 prod)
1616{
1617 struct sw_bd *cons_rx_buf = &bp->rx_buf_ring[cons];
1618 struct sw_bd *prod_rx_buf = &bp->rx_buf_ring[prod];
1619 struct rx_bd *cons_bd = &bp->rx_desc_ring[cons];
1620 struct rx_bd *prod_bd = &bp->rx_desc_ring[prod];
1621
1622 pci_dma_sync_single_for_device(bp->pdev,
1623 pci_unmap_addr(cons_rx_buf, mapping),
1624 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1625
1626 prod_rx_buf->skb = cons_rx_buf->skb;
1627 pci_unmap_addr_set(prod_rx_buf, mapping,
1628 pci_unmap_addr(cons_rx_buf, mapping));
1629
1630 memcpy(prod_bd, cons_bd, 8);
1631
1632 bp->rx_prod_bseq += bp->rx_buf_use_size;
1633
1634}
1635
1636static int
1637bnx2_rx_int(struct bnx2 *bp, int budget)
1638{
1639 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
1640 struct l2_fhdr *rx_hdr;
1641 int rx_pkt = 0;
1642
1643 hw_cons = bp->status_blk->status_rx_quick_consumer_index0;
1644 if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
1645 hw_cons++;
1646 }
1647 sw_cons = bp->rx_cons;
1648 sw_prod = bp->rx_prod;
1649
1650 /* Memory barrier necessary as speculative reads of the rx
1651 * buffer can be ahead of the index in the status block
1652 */
1653 rmb();
1654 while (sw_cons != hw_cons) {
1655 unsigned int len;
1656 u16 status;
1657 struct sw_bd *rx_buf;
1658 struct sk_buff *skb;
1659
1660 sw_ring_cons = RX_RING_IDX(sw_cons);
1661 sw_ring_prod = RX_RING_IDX(sw_prod);
1662
1663 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
1664 skb = rx_buf->skb;
1665 pci_dma_sync_single_for_cpu(bp->pdev,
1666 pci_unmap_addr(rx_buf, mapping),
1667 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1668
1669 rx_hdr = (struct l2_fhdr *) skb->data;
1670 len = rx_hdr->l2_fhdr_pkt_len - 4;
1671
1672 if (rx_hdr->l2_fhdr_errors &
1673 (L2_FHDR_ERRORS_BAD_CRC |
1674 L2_FHDR_ERRORS_PHY_DECODE |
1675 L2_FHDR_ERRORS_ALIGNMENT |
1676 L2_FHDR_ERRORS_TOO_SHORT |
1677 L2_FHDR_ERRORS_GIANT_FRAME)) {
1678
1679 goto reuse_rx;
1680 }
1681
1682 /* Since we don't have a jumbo ring, copy small packets
1683 * if mtu > 1500
1684 */
1685 if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
1686 struct sk_buff *new_skb;
1687
1688 new_skb = dev_alloc_skb(len + 2);
1689 if (new_skb == NULL)
1690 goto reuse_rx;
1691
1692 /* aligned copy */
1693 memcpy(new_skb->data,
1694 skb->data + bp->rx_offset - 2,
1695 len + 2);
1696
1697 skb_reserve(new_skb, 2);
1698 skb_put(new_skb, len);
1699 new_skb->dev = bp->dev;
1700
1701 bnx2_reuse_rx_skb(bp, skb,
1702 sw_ring_cons, sw_ring_prod);
1703
1704 skb = new_skb;
1705 }
1706 else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
1707 pci_unmap_single(bp->pdev,
1708 pci_unmap_addr(rx_buf, mapping),
1709 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1710
1711 skb_reserve(skb, bp->rx_offset);
1712 skb_put(skb, len);
1713 }
1714 else {
1715reuse_rx:
1716 bnx2_reuse_rx_skb(bp, skb,
1717 sw_ring_cons, sw_ring_prod);
1718 goto next_rx;
1719 }
1720
1721 skb->protocol = eth_type_trans(skb, bp->dev);
1722
1723 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
1724 (htons(skb->protocol) != 0x8100)) {
1725
1726 dev_kfree_skb_irq(skb);
1727 goto next_rx;
1728
1729 }
1730
1731 status = rx_hdr->l2_fhdr_status;
1732 skb->ip_summed = CHECKSUM_NONE;
1733 if (bp->rx_csum &&
1734 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
1735 L2_FHDR_STATUS_UDP_DATAGRAM))) {
1736
1737 u16 cksum = rx_hdr->l2_fhdr_tcp_udp_xsum;
1738
1739 if (cksum == 0xffff)
1740 skb->ip_summed = CHECKSUM_UNNECESSARY;
1741 }
1742
1743#ifdef BCM_VLAN
1744 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
1745 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1746 rx_hdr->l2_fhdr_vlan_tag);
1747 }
1748 else
1749#endif
1750 netif_receive_skb(skb);
1751
1752 bp->dev->last_rx = jiffies;
1753 rx_pkt++;
1754
1755next_rx:
1756 rx_buf->skb = NULL;
1757
1758 sw_cons = NEXT_RX_BD(sw_cons);
1759 sw_prod = NEXT_RX_BD(sw_prod);
1760
1761 if ((rx_pkt == budget))
1762 break;
1763 }
1764 bp->rx_cons = sw_cons;
1765 bp->rx_prod = sw_prod;
1766
1767 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
1768
1769 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
1770
1771 mmiowb();
1772
1773 return rx_pkt;
1774
1775}
1776
1777/* MSI ISR - The only difference between this and the INTx ISR
1778 * is that the MSI interrupt is always serviced.
1779 */
1780static irqreturn_t
1781bnx2_msi(int irq, void *dev_instance, struct pt_regs *regs)
1782{
1783 struct net_device *dev = dev_instance;
1784 struct bnx2 *bp = dev->priv;
1785
Michael Chanc921e4c2005-09-08 13:15:32 -07001786 prefetch(bp->status_blk);
Michael Chanb6016b72005-05-26 13:03:09 -07001787 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1788 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1789 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1790
1791 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07001792 if (unlikely(atomic_read(&bp->intr_sem) != 0))
1793 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07001794
Michael Chan73eef4c2005-08-25 15:39:15 -07001795 netif_rx_schedule(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07001796
Michael Chan73eef4c2005-08-25 15:39:15 -07001797 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07001798}
1799
1800static irqreturn_t
1801bnx2_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
1802{
1803 struct net_device *dev = dev_instance;
1804 struct bnx2 *bp = dev->priv;
1805
1806 /* When using INTx, it is possible for the interrupt to arrive
1807 * at the CPU before the status block posted prior to the
1808 * interrupt. Reading a register will flush the status block.
1809 * When using MSI, the MSI message will always complete after
1810 * the status block write.
1811 */
Michael Chanc921e4c2005-09-08 13:15:32 -07001812 if ((bp->status_blk->status_idx == bp->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07001813 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
1814 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07001815 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07001816
1817 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1818 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1819 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1820
1821 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07001822 if (unlikely(atomic_read(&bp->intr_sem) != 0))
1823 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07001824
Michael Chan73eef4c2005-08-25 15:39:15 -07001825 netif_rx_schedule(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07001826
Michael Chan73eef4c2005-08-25 15:39:15 -07001827 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07001828}
1829
1830static int
1831bnx2_poll(struct net_device *dev, int *budget)
1832{
1833 struct bnx2 *bp = dev->priv;
1834 int rx_done = 1;
1835
1836 bp->last_status_idx = bp->status_blk->status_idx;
1837
1838 rmb();
1839 if ((bp->status_blk->status_attn_bits &
1840 STATUS_ATTN_BITS_LINK_STATE) !=
1841 (bp->status_blk->status_attn_bits_ack &
1842 STATUS_ATTN_BITS_LINK_STATE)) {
1843
Michael Chanc770a652005-08-25 15:38:39 -07001844 spin_lock(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001845 bnx2_phy_int(bp);
Michael Chanc770a652005-08-25 15:38:39 -07001846 spin_unlock(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001847 }
1848
1849 if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_cons) {
1850 bnx2_tx_int(bp);
1851 }
1852
1853 if (bp->status_blk->status_rx_quick_consumer_index0 != bp->rx_cons) {
1854 int orig_budget = *budget;
1855 int work_done;
1856
1857 if (orig_budget > dev->quota)
1858 orig_budget = dev->quota;
1859
1860 work_done = bnx2_rx_int(bp, orig_budget);
1861 *budget -= work_done;
1862 dev->quota -= work_done;
1863
1864 if (work_done >= orig_budget) {
1865 rx_done = 0;
1866 }
1867 }
1868
1869 if (rx_done) {
1870 netif_rx_complete(dev);
1871 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1872 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
1873 bp->last_status_idx);
1874 return 0;
1875 }
1876
1877 return 1;
1878}
1879
1880/* Called with rtnl_lock from vlan functions and also dev->xmit_lock
1881 * from set_multicast.
1882 */
1883static void
1884bnx2_set_rx_mode(struct net_device *dev)
1885{
1886 struct bnx2 *bp = dev->priv;
1887 u32 rx_mode, sort_mode;
1888 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07001889
Michael Chanc770a652005-08-25 15:38:39 -07001890 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001891
1892 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
1893 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
1894 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
1895#ifdef BCM_VLAN
1896 if (!bp->vlgrp) {
1897 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1898 }
1899#else
1900 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1901#endif
1902 if (dev->flags & IFF_PROMISC) {
1903 /* Promiscuous mode. */
1904 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
1905 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN;
1906 }
1907 else if (dev->flags & IFF_ALLMULTI) {
1908 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1909 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1910 0xffffffff);
1911 }
1912 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
1913 }
1914 else {
1915 /* Accept one or more multicast(s). */
1916 struct dev_mc_list *mclist;
1917 u32 mc_filter[NUM_MC_HASH_REGISTERS];
1918 u32 regidx;
1919 u32 bit;
1920 u32 crc;
1921
1922 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
1923
1924 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
1925 i++, mclist = mclist->next) {
1926
1927 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
1928 bit = crc & 0xff;
1929 regidx = (bit & 0xe0) >> 5;
1930 bit &= 0x1f;
1931 mc_filter[regidx] |= (1 << bit);
1932 }
1933
1934 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1935 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1936 mc_filter[i]);
1937 }
1938
1939 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
1940 }
1941
1942 if (rx_mode != bp->rx_mode) {
1943 bp->rx_mode = rx_mode;
1944 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
1945 }
1946
1947 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
1948 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
1949 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
1950
Michael Chanc770a652005-08-25 15:38:39 -07001951 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001952}
1953
1954static void
1955load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
1956 u32 rv2p_proc)
1957{
1958 int i;
1959 u32 val;
1960
1961
1962 for (i = 0; i < rv2p_code_len; i += 8) {
1963 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, *rv2p_code);
1964 rv2p_code++;
1965 REG_WR(bp, BNX2_RV2P_INSTR_LOW, *rv2p_code);
1966 rv2p_code++;
1967
1968 if (rv2p_proc == RV2P_PROC1) {
1969 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
1970 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
1971 }
1972 else {
1973 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
1974 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
1975 }
1976 }
1977
1978 /* Reset the processor, un-stall is done later. */
1979 if (rv2p_proc == RV2P_PROC1) {
1980 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
1981 }
1982 else {
1983 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
1984 }
1985}
1986
1987static void
1988load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
1989{
1990 u32 offset;
1991 u32 val;
1992
1993 /* Halt the CPU. */
1994 val = REG_RD_IND(bp, cpu_reg->mode);
1995 val |= cpu_reg->mode_value_halt;
1996 REG_WR_IND(bp, cpu_reg->mode, val);
1997 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
1998
1999 /* Load the Text area. */
2000 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
2001 if (fw->text) {
2002 int j;
2003
2004 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
2005 REG_WR_IND(bp, offset, fw->text[j]);
2006 }
2007 }
2008
2009 /* Load the Data area. */
2010 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
2011 if (fw->data) {
2012 int j;
2013
2014 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
2015 REG_WR_IND(bp, offset, fw->data[j]);
2016 }
2017 }
2018
2019 /* Load the SBSS area. */
2020 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
2021 if (fw->sbss) {
2022 int j;
2023
2024 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
2025 REG_WR_IND(bp, offset, fw->sbss[j]);
2026 }
2027 }
2028
2029 /* Load the BSS area. */
2030 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
2031 if (fw->bss) {
2032 int j;
2033
2034 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
2035 REG_WR_IND(bp, offset, fw->bss[j]);
2036 }
2037 }
2038
2039 /* Load the Read-Only area. */
2040 offset = cpu_reg->spad_base +
2041 (fw->rodata_addr - cpu_reg->mips_view_base);
2042 if (fw->rodata) {
2043 int j;
2044
2045 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
2046 REG_WR_IND(bp, offset, fw->rodata[j]);
2047 }
2048 }
2049
2050 /* Clear the pre-fetch instruction. */
2051 REG_WR_IND(bp, cpu_reg->inst, 0);
2052 REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
2053
2054 /* Start the CPU. */
2055 val = REG_RD_IND(bp, cpu_reg->mode);
2056 val &= ~cpu_reg->mode_value_halt;
2057 REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
2058 REG_WR_IND(bp, cpu_reg->mode, val);
2059}
2060
2061static void
2062bnx2_init_cpus(struct bnx2 *bp)
2063{
2064 struct cpu_reg cpu_reg;
2065 struct fw_info fw;
2066
2067 /* Initialize the RV2P processor. */
2068 load_rv2p_fw(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), RV2P_PROC1);
2069 load_rv2p_fw(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), RV2P_PROC2);
2070
2071 /* Initialize the RX Processor. */
2072 cpu_reg.mode = BNX2_RXP_CPU_MODE;
2073 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
2074 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
2075 cpu_reg.state = BNX2_RXP_CPU_STATE;
2076 cpu_reg.state_value_clear = 0xffffff;
2077 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
2078 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
2079 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
2080 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
2081 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
2082 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
2083 cpu_reg.mips_view_base = 0x8000000;
2084
2085 fw.ver_major = bnx2_RXP_b06FwReleaseMajor;
2086 fw.ver_minor = bnx2_RXP_b06FwReleaseMinor;
2087 fw.ver_fix = bnx2_RXP_b06FwReleaseFix;
2088 fw.start_addr = bnx2_RXP_b06FwStartAddr;
2089
2090 fw.text_addr = bnx2_RXP_b06FwTextAddr;
2091 fw.text_len = bnx2_RXP_b06FwTextLen;
2092 fw.text_index = 0;
2093 fw.text = bnx2_RXP_b06FwText;
2094
2095 fw.data_addr = bnx2_RXP_b06FwDataAddr;
2096 fw.data_len = bnx2_RXP_b06FwDataLen;
2097 fw.data_index = 0;
2098 fw.data = bnx2_RXP_b06FwData;
2099
2100 fw.sbss_addr = bnx2_RXP_b06FwSbssAddr;
2101 fw.sbss_len = bnx2_RXP_b06FwSbssLen;
2102 fw.sbss_index = 0;
2103 fw.sbss = bnx2_RXP_b06FwSbss;
2104
2105 fw.bss_addr = bnx2_RXP_b06FwBssAddr;
2106 fw.bss_len = bnx2_RXP_b06FwBssLen;
2107 fw.bss_index = 0;
2108 fw.bss = bnx2_RXP_b06FwBss;
2109
2110 fw.rodata_addr = bnx2_RXP_b06FwRodataAddr;
2111 fw.rodata_len = bnx2_RXP_b06FwRodataLen;
2112 fw.rodata_index = 0;
2113 fw.rodata = bnx2_RXP_b06FwRodata;
2114
2115 load_cpu_fw(bp, &cpu_reg, &fw);
2116
2117 /* Initialize the TX Processor. */
2118 cpu_reg.mode = BNX2_TXP_CPU_MODE;
2119 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
2120 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
2121 cpu_reg.state = BNX2_TXP_CPU_STATE;
2122 cpu_reg.state_value_clear = 0xffffff;
2123 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
2124 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
2125 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
2126 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
2127 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
2128 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
2129 cpu_reg.mips_view_base = 0x8000000;
2130
2131 fw.ver_major = bnx2_TXP_b06FwReleaseMajor;
2132 fw.ver_minor = bnx2_TXP_b06FwReleaseMinor;
2133 fw.ver_fix = bnx2_TXP_b06FwReleaseFix;
2134 fw.start_addr = bnx2_TXP_b06FwStartAddr;
2135
2136 fw.text_addr = bnx2_TXP_b06FwTextAddr;
2137 fw.text_len = bnx2_TXP_b06FwTextLen;
2138 fw.text_index = 0;
2139 fw.text = bnx2_TXP_b06FwText;
2140
2141 fw.data_addr = bnx2_TXP_b06FwDataAddr;
2142 fw.data_len = bnx2_TXP_b06FwDataLen;
2143 fw.data_index = 0;
2144 fw.data = bnx2_TXP_b06FwData;
2145
2146 fw.sbss_addr = bnx2_TXP_b06FwSbssAddr;
2147 fw.sbss_len = bnx2_TXP_b06FwSbssLen;
2148 fw.sbss_index = 0;
2149 fw.sbss = bnx2_TXP_b06FwSbss;
2150
2151 fw.bss_addr = bnx2_TXP_b06FwBssAddr;
2152 fw.bss_len = bnx2_TXP_b06FwBssLen;
2153 fw.bss_index = 0;
2154 fw.bss = bnx2_TXP_b06FwBss;
2155
2156 fw.rodata_addr = bnx2_TXP_b06FwRodataAddr;
2157 fw.rodata_len = bnx2_TXP_b06FwRodataLen;
2158 fw.rodata_index = 0;
2159 fw.rodata = bnx2_TXP_b06FwRodata;
2160
2161 load_cpu_fw(bp, &cpu_reg, &fw);
2162
2163 /* Initialize the TX Patch-up Processor. */
2164 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
2165 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
2166 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
2167 cpu_reg.state = BNX2_TPAT_CPU_STATE;
2168 cpu_reg.state_value_clear = 0xffffff;
2169 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
2170 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
2171 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
2172 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
2173 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
2174 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
2175 cpu_reg.mips_view_base = 0x8000000;
2176
2177 fw.ver_major = bnx2_TPAT_b06FwReleaseMajor;
2178 fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor;
2179 fw.ver_fix = bnx2_TPAT_b06FwReleaseFix;
2180 fw.start_addr = bnx2_TPAT_b06FwStartAddr;
2181
2182 fw.text_addr = bnx2_TPAT_b06FwTextAddr;
2183 fw.text_len = bnx2_TPAT_b06FwTextLen;
2184 fw.text_index = 0;
2185 fw.text = bnx2_TPAT_b06FwText;
2186
2187 fw.data_addr = bnx2_TPAT_b06FwDataAddr;
2188 fw.data_len = bnx2_TPAT_b06FwDataLen;
2189 fw.data_index = 0;
2190 fw.data = bnx2_TPAT_b06FwData;
2191
2192 fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr;
2193 fw.sbss_len = bnx2_TPAT_b06FwSbssLen;
2194 fw.sbss_index = 0;
2195 fw.sbss = bnx2_TPAT_b06FwSbss;
2196
2197 fw.bss_addr = bnx2_TPAT_b06FwBssAddr;
2198 fw.bss_len = bnx2_TPAT_b06FwBssLen;
2199 fw.bss_index = 0;
2200 fw.bss = bnx2_TPAT_b06FwBss;
2201
2202 fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr;
2203 fw.rodata_len = bnx2_TPAT_b06FwRodataLen;
2204 fw.rodata_index = 0;
2205 fw.rodata = bnx2_TPAT_b06FwRodata;
2206
2207 load_cpu_fw(bp, &cpu_reg, &fw);
2208
2209 /* Initialize the Completion Processor. */
2210 cpu_reg.mode = BNX2_COM_CPU_MODE;
2211 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
2212 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
2213 cpu_reg.state = BNX2_COM_CPU_STATE;
2214 cpu_reg.state_value_clear = 0xffffff;
2215 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
2216 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
2217 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
2218 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
2219 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
2220 cpu_reg.spad_base = BNX2_COM_SCRATCH;
2221 cpu_reg.mips_view_base = 0x8000000;
2222
2223 fw.ver_major = bnx2_COM_b06FwReleaseMajor;
2224 fw.ver_minor = bnx2_COM_b06FwReleaseMinor;
2225 fw.ver_fix = bnx2_COM_b06FwReleaseFix;
2226 fw.start_addr = bnx2_COM_b06FwStartAddr;
2227
2228 fw.text_addr = bnx2_COM_b06FwTextAddr;
2229 fw.text_len = bnx2_COM_b06FwTextLen;
2230 fw.text_index = 0;
2231 fw.text = bnx2_COM_b06FwText;
2232
2233 fw.data_addr = bnx2_COM_b06FwDataAddr;
2234 fw.data_len = bnx2_COM_b06FwDataLen;
2235 fw.data_index = 0;
2236 fw.data = bnx2_COM_b06FwData;
2237
2238 fw.sbss_addr = bnx2_COM_b06FwSbssAddr;
2239 fw.sbss_len = bnx2_COM_b06FwSbssLen;
2240 fw.sbss_index = 0;
2241 fw.sbss = bnx2_COM_b06FwSbss;
2242
2243 fw.bss_addr = bnx2_COM_b06FwBssAddr;
2244 fw.bss_len = bnx2_COM_b06FwBssLen;
2245 fw.bss_index = 0;
2246 fw.bss = bnx2_COM_b06FwBss;
2247
2248 fw.rodata_addr = bnx2_COM_b06FwRodataAddr;
2249 fw.rodata_len = bnx2_COM_b06FwRodataLen;
2250 fw.rodata_index = 0;
2251 fw.rodata = bnx2_COM_b06FwRodata;
2252
2253 load_cpu_fw(bp, &cpu_reg, &fw);
2254
2255}
2256
2257static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07002258bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07002259{
2260 u16 pmcsr;
2261
2262 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
2263
2264 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07002265 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07002266 u32 val;
2267
2268 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2269 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
2270 PCI_PM_CTRL_PME_STATUS);
2271
2272 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
2273 /* delay required during transition out of D3hot */
2274 msleep(20);
2275
2276 val = REG_RD(bp, BNX2_EMAC_MODE);
2277 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
2278 val &= ~BNX2_EMAC_MODE_MPKT;
2279 REG_WR(bp, BNX2_EMAC_MODE, val);
2280
2281 val = REG_RD(bp, BNX2_RPM_CONFIG);
2282 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2283 REG_WR(bp, BNX2_RPM_CONFIG, val);
2284 break;
2285 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07002286 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07002287 int i;
2288 u32 val, wol_msg;
2289
2290 if (bp->wol) {
2291 u32 advertising;
2292 u8 autoneg;
2293
2294 autoneg = bp->autoneg;
2295 advertising = bp->advertising;
2296
2297 bp->autoneg = AUTONEG_SPEED;
2298 bp->advertising = ADVERTISED_10baseT_Half |
2299 ADVERTISED_10baseT_Full |
2300 ADVERTISED_100baseT_Half |
2301 ADVERTISED_100baseT_Full |
2302 ADVERTISED_Autoneg;
2303
2304 bnx2_setup_copper_phy(bp);
2305
2306 bp->autoneg = autoneg;
2307 bp->advertising = advertising;
2308
2309 bnx2_set_mac_addr(bp);
2310
2311 val = REG_RD(bp, BNX2_EMAC_MODE);
2312
2313 /* Enable port mode. */
2314 val &= ~BNX2_EMAC_MODE_PORT;
2315 val |= BNX2_EMAC_MODE_PORT_MII |
2316 BNX2_EMAC_MODE_MPKT_RCVD |
2317 BNX2_EMAC_MODE_ACPI_RCVD |
2318 BNX2_EMAC_MODE_FORCE_LINK |
2319 BNX2_EMAC_MODE_MPKT;
2320
2321 REG_WR(bp, BNX2_EMAC_MODE, val);
2322
2323 /* receive all multicast */
2324 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2325 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2326 0xffffffff);
2327 }
2328 REG_WR(bp, BNX2_EMAC_RX_MODE,
2329 BNX2_EMAC_RX_MODE_SORT_MODE);
2330
2331 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
2332 BNX2_RPM_SORT_USER0_MC_EN;
2333 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2334 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
2335 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
2336 BNX2_RPM_SORT_USER0_ENA);
2337
2338 /* Need to enable EMAC and RPM for WOL. */
2339 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2340 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
2341 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
2342 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
2343
2344 val = REG_RD(bp, BNX2_RPM_CONFIG);
2345 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2346 REG_WR(bp, BNX2_RPM_CONFIG, val);
2347
2348 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
2349 }
2350 else {
2351 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
2352 }
2353
2354 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg);
2355
2356 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
2357 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2358 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
2359
2360 if (bp->wol)
2361 pmcsr |= 3;
2362 }
2363 else {
2364 pmcsr |= 3;
2365 }
2366 if (bp->wol) {
2367 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
2368 }
2369 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2370 pmcsr);
2371
2372 /* No more memory access after this point until
2373 * device is brought back to D0.
2374 */
2375 udelay(50);
2376 break;
2377 }
2378 default:
2379 return -EINVAL;
2380 }
2381 return 0;
2382}
2383
2384static int
2385bnx2_acquire_nvram_lock(struct bnx2 *bp)
2386{
2387 u32 val;
2388 int j;
2389
2390 /* Request access to the flash interface. */
2391 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
2392 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2393 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2394 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
2395 break;
2396
2397 udelay(5);
2398 }
2399
2400 if (j >= NVRAM_TIMEOUT_COUNT)
2401 return -EBUSY;
2402
2403 return 0;
2404}
2405
2406static int
2407bnx2_release_nvram_lock(struct bnx2 *bp)
2408{
2409 int j;
2410 u32 val;
2411
2412 /* Relinquish nvram interface. */
2413 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
2414
2415 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2416 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2417 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
2418 break;
2419
2420 udelay(5);
2421 }
2422
2423 if (j >= NVRAM_TIMEOUT_COUNT)
2424 return -EBUSY;
2425
2426 return 0;
2427}
2428
2429
2430static int
2431bnx2_enable_nvram_write(struct bnx2 *bp)
2432{
2433 u32 val;
2434
2435 val = REG_RD(bp, BNX2_MISC_CFG);
2436 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
2437
2438 if (!bp->flash_info->buffered) {
2439 int j;
2440
2441 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2442 REG_WR(bp, BNX2_NVM_COMMAND,
2443 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
2444
2445 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2446 udelay(5);
2447
2448 val = REG_RD(bp, BNX2_NVM_COMMAND);
2449 if (val & BNX2_NVM_COMMAND_DONE)
2450 break;
2451 }
2452
2453 if (j >= NVRAM_TIMEOUT_COUNT)
2454 return -EBUSY;
2455 }
2456 return 0;
2457}
2458
2459static void
2460bnx2_disable_nvram_write(struct bnx2 *bp)
2461{
2462 u32 val;
2463
2464 val = REG_RD(bp, BNX2_MISC_CFG);
2465 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
2466}
2467
2468
2469static void
2470bnx2_enable_nvram_access(struct bnx2 *bp)
2471{
2472 u32 val;
2473
2474 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2475 /* Enable both bits, even on read. */
2476 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2477 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
2478}
2479
2480static void
2481bnx2_disable_nvram_access(struct bnx2 *bp)
2482{
2483 u32 val;
2484
2485 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2486 /* Disable both bits, even after read. */
2487 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2488 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
2489 BNX2_NVM_ACCESS_ENABLE_WR_EN));
2490}
2491
2492static int
2493bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
2494{
2495 u32 cmd;
2496 int j;
2497
2498 if (bp->flash_info->buffered)
2499 /* Buffered flash, no erase needed */
2500 return 0;
2501
2502 /* Build an erase command */
2503 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
2504 BNX2_NVM_COMMAND_DOIT;
2505
2506 /* Need to clear DONE bit separately. */
2507 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2508
2509 /* Address of the NVRAM to read from. */
2510 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2511
2512 /* Issue an erase command. */
2513 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2514
2515 /* Wait for completion. */
2516 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2517 u32 val;
2518
2519 udelay(5);
2520
2521 val = REG_RD(bp, BNX2_NVM_COMMAND);
2522 if (val & BNX2_NVM_COMMAND_DONE)
2523 break;
2524 }
2525
2526 if (j >= NVRAM_TIMEOUT_COUNT)
2527 return -EBUSY;
2528
2529 return 0;
2530}
2531
2532static int
2533bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
2534{
2535 u32 cmd;
2536 int j;
2537
2538 /* Build the command word. */
2539 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
2540
2541 /* Calculate an offset of a buffered flash. */
2542 if (bp->flash_info->buffered) {
2543 offset = ((offset / bp->flash_info->page_size) <<
2544 bp->flash_info->page_bits) +
2545 (offset % bp->flash_info->page_size);
2546 }
2547
2548 /* Need to clear DONE bit separately. */
2549 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2550
2551 /* Address of the NVRAM to read from. */
2552 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2553
2554 /* Issue a read command. */
2555 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2556
2557 /* Wait for completion. */
2558 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2559 u32 val;
2560
2561 udelay(5);
2562
2563 val = REG_RD(bp, BNX2_NVM_COMMAND);
2564 if (val & BNX2_NVM_COMMAND_DONE) {
2565 val = REG_RD(bp, BNX2_NVM_READ);
2566
2567 val = be32_to_cpu(val);
2568 memcpy(ret_val, &val, 4);
2569 break;
2570 }
2571 }
2572 if (j >= NVRAM_TIMEOUT_COUNT)
2573 return -EBUSY;
2574
2575 return 0;
2576}
2577
2578
2579static int
2580bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
2581{
2582 u32 cmd, val32;
2583 int j;
2584
2585 /* Build the command word. */
2586 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
2587
2588 /* Calculate an offset of a buffered flash. */
2589 if (bp->flash_info->buffered) {
2590 offset = ((offset / bp->flash_info->page_size) <<
2591 bp->flash_info->page_bits) +
2592 (offset % bp->flash_info->page_size);
2593 }
2594
2595 /* Need to clear DONE bit separately. */
2596 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2597
2598 memcpy(&val32, val, 4);
2599 val32 = cpu_to_be32(val32);
2600
2601 /* Write the data. */
2602 REG_WR(bp, BNX2_NVM_WRITE, val32);
2603
2604 /* Address of the NVRAM to write to. */
2605 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2606
2607 /* Issue the write command. */
2608 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2609
2610 /* Wait for completion. */
2611 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2612 udelay(5);
2613
2614 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
2615 break;
2616 }
2617 if (j >= NVRAM_TIMEOUT_COUNT)
2618 return -EBUSY;
2619
2620 return 0;
2621}
2622
2623static int
2624bnx2_init_nvram(struct bnx2 *bp)
2625{
2626 u32 val;
2627 int j, entry_count, rc;
2628 struct flash_spec *flash;
2629
2630 /* Determine the selected interface. */
2631 val = REG_RD(bp, BNX2_NVM_CFG1);
2632
2633 entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
2634
2635 rc = 0;
2636 if (val & 0x40000000) {
2637
2638 /* Flash interface has been reconfigured */
2639 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08002640 j++, flash++) {
2641 if ((val & FLASH_BACKUP_STRAP_MASK) ==
2642 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002643 bp->flash_info = flash;
2644 break;
2645 }
2646 }
2647 }
2648 else {
Michael Chan37137702005-11-04 08:49:17 -08002649 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07002650 /* Not yet been reconfigured */
2651
Michael Chan37137702005-11-04 08:49:17 -08002652 if (val & (1 << 23))
2653 mask = FLASH_BACKUP_STRAP_MASK;
2654 else
2655 mask = FLASH_STRAP_MASK;
2656
Michael Chanb6016b72005-05-26 13:03:09 -07002657 for (j = 0, flash = &flash_table[0]; j < entry_count;
2658 j++, flash++) {
2659
Michael Chan37137702005-11-04 08:49:17 -08002660 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002661 bp->flash_info = flash;
2662
2663 /* Request access to the flash interface. */
2664 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2665 return rc;
2666
2667 /* Enable access to flash interface */
2668 bnx2_enable_nvram_access(bp);
2669
2670 /* Reconfigure the flash interface */
2671 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
2672 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
2673 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
2674 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
2675
2676 /* Disable access to flash interface */
2677 bnx2_disable_nvram_access(bp);
2678 bnx2_release_nvram_lock(bp);
2679
2680 break;
2681 }
2682 }
2683 } /* if (val & 0x40000000) */
2684
2685 if (j == entry_count) {
2686 bp->flash_info = NULL;
2687 printk(KERN_ALERT "Unknown flash/EEPROM type.\n");
2688 rc = -ENODEV;
2689 }
2690
2691 return rc;
2692}
2693
2694static int
2695bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
2696 int buf_size)
2697{
2698 int rc = 0;
2699 u32 cmd_flags, offset32, len32, extra;
2700
2701 if (buf_size == 0)
2702 return 0;
2703
2704 /* Request access to the flash interface. */
2705 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2706 return rc;
2707
2708 /* Enable access to flash interface */
2709 bnx2_enable_nvram_access(bp);
2710
2711 len32 = buf_size;
2712 offset32 = offset;
2713 extra = 0;
2714
2715 cmd_flags = 0;
2716
2717 if (offset32 & 3) {
2718 u8 buf[4];
2719 u32 pre_len;
2720
2721 offset32 &= ~3;
2722 pre_len = 4 - (offset & 3);
2723
2724 if (pre_len >= len32) {
2725 pre_len = len32;
2726 cmd_flags = BNX2_NVM_COMMAND_FIRST |
2727 BNX2_NVM_COMMAND_LAST;
2728 }
2729 else {
2730 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2731 }
2732
2733 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2734
2735 if (rc)
2736 return rc;
2737
2738 memcpy(ret_buf, buf + (offset & 3), pre_len);
2739
2740 offset32 += 4;
2741 ret_buf += pre_len;
2742 len32 -= pre_len;
2743 }
2744 if (len32 & 3) {
2745 extra = 4 - (len32 & 3);
2746 len32 = (len32 + 4) & ~3;
2747 }
2748
2749 if (len32 == 4) {
2750 u8 buf[4];
2751
2752 if (cmd_flags)
2753 cmd_flags = BNX2_NVM_COMMAND_LAST;
2754 else
2755 cmd_flags = BNX2_NVM_COMMAND_FIRST |
2756 BNX2_NVM_COMMAND_LAST;
2757
2758 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2759
2760 memcpy(ret_buf, buf, 4 - extra);
2761 }
2762 else if (len32 > 0) {
2763 u8 buf[4];
2764
2765 /* Read the first word. */
2766 if (cmd_flags)
2767 cmd_flags = 0;
2768 else
2769 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2770
2771 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
2772
2773 /* Advance to the next dword. */
2774 offset32 += 4;
2775 ret_buf += 4;
2776 len32 -= 4;
2777
2778 while (len32 > 4 && rc == 0) {
2779 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
2780
2781 /* Advance to the next dword. */
2782 offset32 += 4;
2783 ret_buf += 4;
2784 len32 -= 4;
2785 }
2786
2787 if (rc)
2788 return rc;
2789
2790 cmd_flags = BNX2_NVM_COMMAND_LAST;
2791 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2792
2793 memcpy(ret_buf, buf, 4 - extra);
2794 }
2795
2796 /* Disable access to flash interface */
2797 bnx2_disable_nvram_access(bp);
2798
2799 bnx2_release_nvram_lock(bp);
2800
2801 return rc;
2802}
2803
2804static int
2805bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
2806 int buf_size)
2807{
2808 u32 written, offset32, len32;
2809 u8 *buf, start[4], end[4];
2810 int rc = 0;
2811 int align_start, align_end;
2812
2813 buf = data_buf;
2814 offset32 = offset;
2815 len32 = buf_size;
2816 align_start = align_end = 0;
2817
2818 if ((align_start = (offset32 & 3))) {
2819 offset32 &= ~3;
2820 len32 += align_start;
2821 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
2822 return rc;
2823 }
2824
2825 if (len32 & 3) {
2826 if ((len32 > 4) || !align_start) {
2827 align_end = 4 - (len32 & 3);
2828 len32 += align_end;
2829 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4,
2830 end, 4))) {
2831 return rc;
2832 }
2833 }
2834 }
2835
2836 if (align_start || align_end) {
2837 buf = kmalloc(len32, GFP_KERNEL);
2838 if (buf == 0)
2839 return -ENOMEM;
2840 if (align_start) {
2841 memcpy(buf, start, 4);
2842 }
2843 if (align_end) {
2844 memcpy(buf + len32 - 4, end, 4);
2845 }
2846 memcpy(buf + align_start, data_buf, buf_size);
2847 }
2848
2849 written = 0;
2850 while ((written < len32) && (rc == 0)) {
2851 u32 page_start, page_end, data_start, data_end;
2852 u32 addr, cmd_flags;
2853 int i;
2854 u8 flash_buffer[264];
2855
2856 /* Find the page_start addr */
2857 page_start = offset32 + written;
2858 page_start -= (page_start % bp->flash_info->page_size);
2859 /* Find the page_end addr */
2860 page_end = page_start + bp->flash_info->page_size;
2861 /* Find the data_start addr */
2862 data_start = (written == 0) ? offset32 : page_start;
2863 /* Find the data_end addr */
2864 data_end = (page_end > offset32 + len32) ?
2865 (offset32 + len32) : page_end;
2866
2867 /* Request access to the flash interface. */
2868 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2869 goto nvram_write_end;
2870
2871 /* Enable access to flash interface */
2872 bnx2_enable_nvram_access(bp);
2873
2874 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2875 if (bp->flash_info->buffered == 0) {
2876 int j;
2877
2878 /* Read the whole page into the buffer
2879 * (non-buffer flash only) */
2880 for (j = 0; j < bp->flash_info->page_size; j += 4) {
2881 if (j == (bp->flash_info->page_size - 4)) {
2882 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2883 }
2884 rc = bnx2_nvram_read_dword(bp,
2885 page_start + j,
2886 &flash_buffer[j],
2887 cmd_flags);
2888
2889 if (rc)
2890 goto nvram_write_end;
2891
2892 cmd_flags = 0;
2893 }
2894 }
2895
2896 /* Enable writes to flash interface (unlock write-protect) */
2897 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
2898 goto nvram_write_end;
2899
2900 /* Erase the page */
2901 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
2902 goto nvram_write_end;
2903
2904 /* Re-enable the write again for the actual write */
2905 bnx2_enable_nvram_write(bp);
2906
2907 /* Loop to write back the buffer data from page_start to
2908 * data_start */
2909 i = 0;
2910 if (bp->flash_info->buffered == 0) {
2911 for (addr = page_start; addr < data_start;
2912 addr += 4, i += 4) {
2913
2914 rc = bnx2_nvram_write_dword(bp, addr,
2915 &flash_buffer[i], cmd_flags);
2916
2917 if (rc != 0)
2918 goto nvram_write_end;
2919
2920 cmd_flags = 0;
2921 }
2922 }
2923
2924 /* Loop to write the new data from data_start to data_end */
2925 for (addr = data_start; addr < data_end; addr += 4, i++) {
2926 if ((addr == page_end - 4) ||
2927 ((bp->flash_info->buffered) &&
2928 (addr == data_end - 4))) {
2929
2930 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2931 }
2932 rc = bnx2_nvram_write_dword(bp, addr, buf,
2933 cmd_flags);
2934
2935 if (rc != 0)
2936 goto nvram_write_end;
2937
2938 cmd_flags = 0;
2939 buf += 4;
2940 }
2941
2942 /* Loop to write back the buffer data from data_end
2943 * to page_end */
2944 if (bp->flash_info->buffered == 0) {
2945 for (addr = data_end; addr < page_end;
2946 addr += 4, i += 4) {
2947
2948 if (addr == page_end-4) {
2949 cmd_flags = BNX2_NVM_COMMAND_LAST;
2950 }
2951 rc = bnx2_nvram_write_dword(bp, addr,
2952 &flash_buffer[i], cmd_flags);
2953
2954 if (rc != 0)
2955 goto nvram_write_end;
2956
2957 cmd_flags = 0;
2958 }
2959 }
2960
2961 /* Disable writes to flash interface (lock write-protect) */
2962 bnx2_disable_nvram_write(bp);
2963
2964 /* Disable access to flash interface */
2965 bnx2_disable_nvram_access(bp);
2966 bnx2_release_nvram_lock(bp);
2967
2968 /* Increment written */
2969 written += data_end - data_start;
2970 }
2971
2972nvram_write_end:
2973 if (align_start || align_end)
2974 kfree(buf);
2975 return rc;
2976}
2977
2978static int
2979bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
2980{
2981 u32 val;
2982 int i, rc = 0;
2983
2984 /* Wait for the current PCI transaction to complete before
2985 * issuing a reset. */
2986 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
2987 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
2988 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
2989 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
2990 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
2991 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
2992 udelay(5);
2993
2994 /* Deposit a driver reset signature so the firmware knows that
2995 * this is a soft reset. */
Michael Chane3648b32005-11-04 08:51:21 -08002996 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
Michael Chanb6016b72005-05-26 13:03:09 -07002997 BNX2_DRV_RESET_SIGNATURE_MAGIC);
2998
2999 bp->fw_timed_out = 0;
3000
3001 /* Wait for the firmware to tell us it is ok to issue a reset. */
3002 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code);
3003
3004 /* Do a dummy read to force the chip to complete all current transaction
3005 * before we issue a reset. */
3006 val = REG_RD(bp, BNX2_MISC_ID);
3007
3008 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3009 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
3010 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3011
3012 /* Chip reset. */
3013 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
3014
3015 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3016 (CHIP_ID(bp) == CHIP_ID_5706_A1))
3017 msleep(15);
3018
3019 /* Reset takes approximate 30 usec */
3020 for (i = 0; i < 10; i++) {
3021 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
3022 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3023 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) {
3024 break;
3025 }
3026 udelay(10);
3027 }
3028
3029 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3030 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
3031 printk(KERN_ERR PFX "Chip reset did not complete\n");
3032 return -EBUSY;
3033 }
3034
3035 /* Make sure byte swapping is properly configured. */
3036 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
3037 if (val != 0x01020304) {
3038 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
3039 return -ENODEV;
3040 }
3041
3042 bp->fw_timed_out = 0;
3043
3044 /* Wait for the firmware to finish its initialization. */
3045 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code);
3046
3047 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
3048 /* Adjust the voltage regular to two steps lower. The default
3049 * of this register is 0x0000000e. */
3050 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
3051
3052 /* Remove bad rbuf memory from the free pool. */
3053 rc = bnx2_alloc_bad_rbuf(bp);
3054 }
3055
3056 return rc;
3057}
3058
3059static int
3060bnx2_init_chip(struct bnx2 *bp)
3061{
3062 u32 val;
3063
3064 /* Make sure the interrupt is not active. */
3065 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3066
3067 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
3068 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
3069#ifdef __BIG_ENDIAN
3070 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
3071#endif
3072 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
3073 DMA_READ_CHANS << 12 |
3074 DMA_WRITE_CHANS << 16;
3075
3076 val |= (0x2 << 20) | (1 << 11);
3077
3078 if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz = 133))
3079 val |= (1 << 23);
3080
3081 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
3082 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
3083 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
3084
3085 REG_WR(bp, BNX2_DMA_CONFIG, val);
3086
3087 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
3088 val = REG_RD(bp, BNX2_TDMA_CONFIG);
3089 val |= BNX2_TDMA_CONFIG_ONE_DMA;
3090 REG_WR(bp, BNX2_TDMA_CONFIG, val);
3091 }
3092
3093 if (bp->flags & PCIX_FLAG) {
3094 u16 val16;
3095
3096 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
3097 &val16);
3098 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
3099 val16 & ~PCI_X_CMD_ERO);
3100 }
3101
3102 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3103 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
3104 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
3105 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
3106
3107 /* Initialize context mapping and zero out the quick contexts. The
3108 * context block must have already been enabled. */
3109 bnx2_init_context(bp);
3110
3111 bnx2_init_cpus(bp);
3112 bnx2_init_nvram(bp);
3113
3114 bnx2_set_mac_addr(bp);
3115
3116 val = REG_RD(bp, BNX2_MQ_CONFIG);
3117 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
3118 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
3119 REG_WR(bp, BNX2_MQ_CONFIG, val);
3120
3121 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
3122 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
3123 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
3124
3125 val = (BCM_PAGE_BITS - 8) << 24;
3126 REG_WR(bp, BNX2_RV2P_CONFIG, val);
3127
3128 /* Configure page size. */
3129 val = REG_RD(bp, BNX2_TBDR_CONFIG);
3130 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
3131 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
3132 REG_WR(bp, BNX2_TBDR_CONFIG, val);
3133
3134 val = bp->mac_addr[0] +
3135 (bp->mac_addr[1] << 8) +
3136 (bp->mac_addr[2] << 16) +
3137 bp->mac_addr[3] +
3138 (bp->mac_addr[4] << 8) +
3139 (bp->mac_addr[5] << 16);
3140 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
3141
3142 /* Program the MTU. Also include 4 bytes for CRC32. */
3143 val = bp->dev->mtu + ETH_HLEN + 4;
3144 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
3145 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
3146 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
3147
3148 bp->last_status_idx = 0;
3149 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
3150
3151 /* Set up how to generate a link change interrupt. */
3152 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
3153
3154 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
3155 (u64) bp->status_blk_mapping & 0xffffffff);
3156 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
3157
3158 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
3159 (u64) bp->stats_blk_mapping & 0xffffffff);
3160 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
3161 (u64) bp->stats_blk_mapping >> 32);
3162
3163 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
3164 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
3165
3166 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
3167 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
3168
3169 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
3170 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
3171
3172 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
3173
3174 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
3175
3176 REG_WR(bp, BNX2_HC_COM_TICKS,
3177 (bp->com_ticks_int << 16) | bp->com_ticks);
3178
3179 REG_WR(bp, BNX2_HC_CMD_TICKS,
3180 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
3181
3182 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
3183 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
3184
3185 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
3186 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_COLLECT_STATS);
3187 else {
3188 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_RX_TMR_MODE |
3189 BNX2_HC_CONFIG_TX_TMR_MODE |
3190 BNX2_HC_CONFIG_COLLECT_STATS);
3191 }
3192
3193 /* Clear internal stats counters. */
3194 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
3195
3196 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
3197
3198 /* Initialize the receive filter. */
3199 bnx2_set_rx_mode(bp->dev);
3200
3201 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET);
3202
3203 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
3204 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
3205
3206 udelay(20);
3207
3208 return 0;
3209}
3210
3211
3212static void
3213bnx2_init_tx_ring(struct bnx2 *bp)
3214{
3215 struct tx_bd *txbd;
3216 u32 val;
3217
3218 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
3219
3220 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
3221 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
3222
3223 bp->tx_prod = 0;
3224 bp->tx_cons = 0;
3225 bp->tx_prod_bseq = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003226
3227 val = BNX2_L2CTX_TYPE_TYPE_L2;
3228 val |= BNX2_L2CTX_TYPE_SIZE_L2;
3229 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val);
3230
3231 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2;
3232 val |= 8 << 16;
3233 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val);
3234
3235 val = (u64) bp->tx_desc_mapping >> 32;
3236 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val);
3237
3238 val = (u64) bp->tx_desc_mapping & 0xffffffff;
3239 CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val);
3240}
3241
3242static void
3243bnx2_init_rx_ring(struct bnx2 *bp)
3244{
3245 struct rx_bd *rxbd;
3246 int i;
3247 u16 prod, ring_prod;
3248 u32 val;
3249
3250 /* 8 for CRC and VLAN */
3251 bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
3252 /* 8 for alignment */
3253 bp->rx_buf_size = bp->rx_buf_use_size + 8;
3254
3255 ring_prod = prod = bp->rx_prod = 0;
3256 bp->rx_cons = 0;
3257 bp->rx_prod_bseq = 0;
3258
3259 rxbd = &bp->rx_desc_ring[0];
3260 for (i = 0; i < MAX_RX_DESC_CNT; i++, rxbd++) {
3261 rxbd->rx_bd_len = bp->rx_buf_use_size;
3262 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
3263 }
3264
3265 rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping >> 32;
3266 rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping & 0xffffffff;
3267
3268 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
3269 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
3270 val |= 0x02 << 8;
3271 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
3272
3273 val = (u64) bp->rx_desc_mapping >> 32;
3274 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);
3275
3276 val = (u64) bp->rx_desc_mapping & 0xffffffff;
3277 CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
3278
3279 for ( ;ring_prod < bp->rx_ring_size; ) {
3280 if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
3281 break;
3282 }
3283 prod = NEXT_RX_BD(prod);
3284 ring_prod = RX_RING_IDX(prod);
3285 }
3286 bp->rx_prod = prod;
3287
3288 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
3289
3290 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
3291}
3292
3293static void
3294bnx2_free_tx_skbs(struct bnx2 *bp)
3295{
3296 int i;
3297
3298 if (bp->tx_buf_ring == NULL)
3299 return;
3300
3301 for (i = 0; i < TX_DESC_CNT; ) {
3302 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
3303 struct sk_buff *skb = tx_buf->skb;
3304 int j, last;
3305
3306 if (skb == NULL) {
3307 i++;
3308 continue;
3309 }
3310
3311 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
3312 skb_headlen(skb), PCI_DMA_TODEVICE);
3313
3314 tx_buf->skb = NULL;
3315
3316 last = skb_shinfo(skb)->nr_frags;
3317 for (j = 0; j < last; j++) {
3318 tx_buf = &bp->tx_buf_ring[i + j + 1];
3319 pci_unmap_page(bp->pdev,
3320 pci_unmap_addr(tx_buf, mapping),
3321 skb_shinfo(skb)->frags[j].size,
3322 PCI_DMA_TODEVICE);
3323 }
3324 dev_kfree_skb_any(skb);
3325 i += j + 1;
3326 }
3327
3328}
3329
3330static void
3331bnx2_free_rx_skbs(struct bnx2 *bp)
3332{
3333 int i;
3334
3335 if (bp->rx_buf_ring == NULL)
3336 return;
3337
3338 for (i = 0; i < RX_DESC_CNT; i++) {
3339 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
3340 struct sk_buff *skb = rx_buf->skb;
3341
3342 if (skb == 0)
3343 continue;
3344
3345 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
3346 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
3347
3348 rx_buf->skb = NULL;
3349
3350 dev_kfree_skb_any(skb);
3351 }
3352}
3353
3354static void
3355bnx2_free_skbs(struct bnx2 *bp)
3356{
3357 bnx2_free_tx_skbs(bp);
3358 bnx2_free_rx_skbs(bp);
3359}
3360
3361static int
3362bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
3363{
3364 int rc;
3365
3366 rc = bnx2_reset_chip(bp, reset_code);
3367 bnx2_free_skbs(bp);
3368 if (rc)
3369 return rc;
3370
3371 bnx2_init_chip(bp);
3372 bnx2_init_tx_ring(bp);
3373 bnx2_init_rx_ring(bp);
3374 return 0;
3375}
3376
3377static int
3378bnx2_init_nic(struct bnx2 *bp)
3379{
3380 int rc;
3381
3382 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
3383 return rc;
3384
3385 bnx2_init_phy(bp);
3386 bnx2_set_link(bp);
3387 return 0;
3388}
3389
3390static int
3391bnx2_test_registers(struct bnx2 *bp)
3392{
3393 int ret;
3394 int i;
3395 static struct {
3396 u16 offset;
3397 u16 flags;
3398 u32 rw_mask;
3399 u32 ro_mask;
3400 } reg_tbl[] = {
3401 { 0x006c, 0, 0x00000000, 0x0000003f },
3402 { 0x0090, 0, 0xffffffff, 0x00000000 },
3403 { 0x0094, 0, 0x00000000, 0x00000000 },
3404
3405 { 0x0404, 0, 0x00003f00, 0x00000000 },
3406 { 0x0418, 0, 0x00000000, 0xffffffff },
3407 { 0x041c, 0, 0x00000000, 0xffffffff },
3408 { 0x0420, 0, 0x00000000, 0x80ffffff },
3409 { 0x0424, 0, 0x00000000, 0x00000000 },
3410 { 0x0428, 0, 0x00000000, 0x00000001 },
3411 { 0x0450, 0, 0x00000000, 0x0000ffff },
3412 { 0x0454, 0, 0x00000000, 0xffffffff },
3413 { 0x0458, 0, 0x00000000, 0xffffffff },
3414
3415 { 0x0808, 0, 0x00000000, 0xffffffff },
3416 { 0x0854, 0, 0x00000000, 0xffffffff },
3417 { 0x0868, 0, 0x00000000, 0x77777777 },
3418 { 0x086c, 0, 0x00000000, 0x77777777 },
3419 { 0x0870, 0, 0x00000000, 0x77777777 },
3420 { 0x0874, 0, 0x00000000, 0x77777777 },
3421
3422 { 0x0c00, 0, 0x00000000, 0x00000001 },
3423 { 0x0c04, 0, 0x00000000, 0x03ff0001 },
3424 { 0x0c08, 0, 0x0f0ff073, 0x00000000 },
3425 { 0x0c0c, 0, 0x00ffffff, 0x00000000 },
3426 { 0x0c30, 0, 0x00000000, 0xffffffff },
3427 { 0x0c34, 0, 0x00000000, 0xffffffff },
3428 { 0x0c38, 0, 0x00000000, 0xffffffff },
3429 { 0x0c3c, 0, 0x00000000, 0xffffffff },
3430 { 0x0c40, 0, 0x00000000, 0xffffffff },
3431 { 0x0c44, 0, 0x00000000, 0xffffffff },
3432 { 0x0c48, 0, 0x00000000, 0x0007ffff },
3433 { 0x0c4c, 0, 0x00000000, 0xffffffff },
3434 { 0x0c50, 0, 0x00000000, 0xffffffff },
3435 { 0x0c54, 0, 0x00000000, 0xffffffff },
3436 { 0x0c58, 0, 0x00000000, 0xffffffff },
3437 { 0x0c5c, 0, 0x00000000, 0xffffffff },
3438 { 0x0c60, 0, 0x00000000, 0xffffffff },
3439 { 0x0c64, 0, 0x00000000, 0xffffffff },
3440 { 0x0c68, 0, 0x00000000, 0xffffffff },
3441 { 0x0c6c, 0, 0x00000000, 0xffffffff },
3442 { 0x0c70, 0, 0x00000000, 0xffffffff },
3443 { 0x0c74, 0, 0x00000000, 0xffffffff },
3444 { 0x0c78, 0, 0x00000000, 0xffffffff },
3445 { 0x0c7c, 0, 0x00000000, 0xffffffff },
3446 { 0x0c80, 0, 0x00000000, 0xffffffff },
3447 { 0x0c84, 0, 0x00000000, 0xffffffff },
3448 { 0x0c88, 0, 0x00000000, 0xffffffff },
3449 { 0x0c8c, 0, 0x00000000, 0xffffffff },
3450 { 0x0c90, 0, 0x00000000, 0xffffffff },
3451 { 0x0c94, 0, 0x00000000, 0xffffffff },
3452 { 0x0c98, 0, 0x00000000, 0xffffffff },
3453 { 0x0c9c, 0, 0x00000000, 0xffffffff },
3454 { 0x0ca0, 0, 0x00000000, 0xffffffff },
3455 { 0x0ca4, 0, 0x00000000, 0xffffffff },
3456 { 0x0ca8, 0, 0x00000000, 0x0007ffff },
3457 { 0x0cac, 0, 0x00000000, 0xffffffff },
3458 { 0x0cb0, 0, 0x00000000, 0xffffffff },
3459 { 0x0cb4, 0, 0x00000000, 0xffffffff },
3460 { 0x0cb8, 0, 0x00000000, 0xffffffff },
3461 { 0x0cbc, 0, 0x00000000, 0xffffffff },
3462 { 0x0cc0, 0, 0x00000000, 0xffffffff },
3463 { 0x0cc4, 0, 0x00000000, 0xffffffff },
3464 { 0x0cc8, 0, 0x00000000, 0xffffffff },
3465 { 0x0ccc, 0, 0x00000000, 0xffffffff },
3466 { 0x0cd0, 0, 0x00000000, 0xffffffff },
3467 { 0x0cd4, 0, 0x00000000, 0xffffffff },
3468 { 0x0cd8, 0, 0x00000000, 0xffffffff },
3469 { 0x0cdc, 0, 0x00000000, 0xffffffff },
3470 { 0x0ce0, 0, 0x00000000, 0xffffffff },
3471 { 0x0ce4, 0, 0x00000000, 0xffffffff },
3472 { 0x0ce8, 0, 0x00000000, 0xffffffff },
3473 { 0x0cec, 0, 0x00000000, 0xffffffff },
3474 { 0x0cf0, 0, 0x00000000, 0xffffffff },
3475 { 0x0cf4, 0, 0x00000000, 0xffffffff },
3476 { 0x0cf8, 0, 0x00000000, 0xffffffff },
3477 { 0x0cfc, 0, 0x00000000, 0xffffffff },
3478 { 0x0d00, 0, 0x00000000, 0xffffffff },
3479 { 0x0d04, 0, 0x00000000, 0xffffffff },
3480
3481 { 0x1000, 0, 0x00000000, 0x00000001 },
3482 { 0x1004, 0, 0x00000000, 0x000f0001 },
3483 { 0x1044, 0, 0x00000000, 0xffc003ff },
3484 { 0x1080, 0, 0x00000000, 0x0001ffff },
3485 { 0x1084, 0, 0x00000000, 0xffffffff },
3486 { 0x1088, 0, 0x00000000, 0xffffffff },
3487 { 0x108c, 0, 0x00000000, 0xffffffff },
3488 { 0x1090, 0, 0x00000000, 0xffffffff },
3489 { 0x1094, 0, 0x00000000, 0xffffffff },
3490 { 0x1098, 0, 0x00000000, 0xffffffff },
3491 { 0x109c, 0, 0x00000000, 0xffffffff },
3492 { 0x10a0, 0, 0x00000000, 0xffffffff },
3493
3494 { 0x1408, 0, 0x01c00800, 0x00000000 },
3495 { 0x149c, 0, 0x8000ffff, 0x00000000 },
3496 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08003497 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07003498 { 0x14b0, 0, 0x00000002, 0x00000001 },
3499 { 0x14b8, 0, 0x00000000, 0x00000000 },
3500 { 0x14c0, 0, 0x00000000, 0x00000009 },
3501 { 0x14c4, 0, 0x00003fff, 0x00000000 },
3502 { 0x14cc, 0, 0x00000000, 0x00000001 },
3503 { 0x14d0, 0, 0xffffffff, 0x00000000 },
3504 { 0x1500, 0, 0x00000000, 0xffffffff },
3505 { 0x1504, 0, 0x00000000, 0xffffffff },
3506 { 0x1508, 0, 0x00000000, 0xffffffff },
3507 { 0x150c, 0, 0x00000000, 0xffffffff },
3508 { 0x1510, 0, 0x00000000, 0xffffffff },
3509 { 0x1514, 0, 0x00000000, 0xffffffff },
3510 { 0x1518, 0, 0x00000000, 0xffffffff },
3511 { 0x151c, 0, 0x00000000, 0xffffffff },
3512 { 0x1520, 0, 0x00000000, 0xffffffff },
3513 { 0x1524, 0, 0x00000000, 0xffffffff },
3514 { 0x1528, 0, 0x00000000, 0xffffffff },
3515 { 0x152c, 0, 0x00000000, 0xffffffff },
3516 { 0x1530, 0, 0x00000000, 0xffffffff },
3517 { 0x1534, 0, 0x00000000, 0xffffffff },
3518 { 0x1538, 0, 0x00000000, 0xffffffff },
3519 { 0x153c, 0, 0x00000000, 0xffffffff },
3520 { 0x1540, 0, 0x00000000, 0xffffffff },
3521 { 0x1544, 0, 0x00000000, 0xffffffff },
3522 { 0x1548, 0, 0x00000000, 0xffffffff },
3523 { 0x154c, 0, 0x00000000, 0xffffffff },
3524 { 0x1550, 0, 0x00000000, 0xffffffff },
3525 { 0x1554, 0, 0x00000000, 0xffffffff },
3526 { 0x1558, 0, 0x00000000, 0xffffffff },
3527 { 0x1600, 0, 0x00000000, 0xffffffff },
3528 { 0x1604, 0, 0x00000000, 0xffffffff },
3529 { 0x1608, 0, 0x00000000, 0xffffffff },
3530 { 0x160c, 0, 0x00000000, 0xffffffff },
3531 { 0x1610, 0, 0x00000000, 0xffffffff },
3532 { 0x1614, 0, 0x00000000, 0xffffffff },
3533 { 0x1618, 0, 0x00000000, 0xffffffff },
3534 { 0x161c, 0, 0x00000000, 0xffffffff },
3535 { 0x1620, 0, 0x00000000, 0xffffffff },
3536 { 0x1624, 0, 0x00000000, 0xffffffff },
3537 { 0x1628, 0, 0x00000000, 0xffffffff },
3538 { 0x162c, 0, 0x00000000, 0xffffffff },
3539 { 0x1630, 0, 0x00000000, 0xffffffff },
3540 { 0x1634, 0, 0x00000000, 0xffffffff },
3541 { 0x1638, 0, 0x00000000, 0xffffffff },
3542 { 0x163c, 0, 0x00000000, 0xffffffff },
3543 { 0x1640, 0, 0x00000000, 0xffffffff },
3544 { 0x1644, 0, 0x00000000, 0xffffffff },
3545 { 0x1648, 0, 0x00000000, 0xffffffff },
3546 { 0x164c, 0, 0x00000000, 0xffffffff },
3547 { 0x1650, 0, 0x00000000, 0xffffffff },
3548 { 0x1654, 0, 0x00000000, 0xffffffff },
3549
3550 { 0x1800, 0, 0x00000000, 0x00000001 },
3551 { 0x1804, 0, 0x00000000, 0x00000003 },
3552 { 0x1840, 0, 0x00000000, 0xffffffff },
3553 { 0x1844, 0, 0x00000000, 0xffffffff },
3554 { 0x1848, 0, 0x00000000, 0xffffffff },
3555 { 0x184c, 0, 0x00000000, 0xffffffff },
3556 { 0x1850, 0, 0x00000000, 0xffffffff },
3557 { 0x1900, 0, 0x7ffbffff, 0x00000000 },
3558 { 0x1904, 0, 0xffffffff, 0x00000000 },
3559 { 0x190c, 0, 0xffffffff, 0x00000000 },
3560 { 0x1914, 0, 0xffffffff, 0x00000000 },
3561 { 0x191c, 0, 0xffffffff, 0x00000000 },
3562 { 0x1924, 0, 0xffffffff, 0x00000000 },
3563 { 0x192c, 0, 0xffffffff, 0x00000000 },
3564 { 0x1934, 0, 0xffffffff, 0x00000000 },
3565 { 0x193c, 0, 0xffffffff, 0x00000000 },
3566 { 0x1944, 0, 0xffffffff, 0x00000000 },
3567 { 0x194c, 0, 0xffffffff, 0x00000000 },
3568 { 0x1954, 0, 0xffffffff, 0x00000000 },
3569 { 0x195c, 0, 0xffffffff, 0x00000000 },
3570 { 0x1964, 0, 0xffffffff, 0x00000000 },
3571 { 0x196c, 0, 0xffffffff, 0x00000000 },
3572 { 0x1974, 0, 0xffffffff, 0x00000000 },
3573 { 0x197c, 0, 0xffffffff, 0x00000000 },
3574 { 0x1980, 0, 0x0700ffff, 0x00000000 },
3575
3576 { 0x1c00, 0, 0x00000000, 0x00000001 },
3577 { 0x1c04, 0, 0x00000000, 0x00000003 },
3578 { 0x1c08, 0, 0x0000000f, 0x00000000 },
3579 { 0x1c40, 0, 0x00000000, 0xffffffff },
3580 { 0x1c44, 0, 0x00000000, 0xffffffff },
3581 { 0x1c48, 0, 0x00000000, 0xffffffff },
3582 { 0x1c4c, 0, 0x00000000, 0xffffffff },
3583 { 0x1c50, 0, 0x00000000, 0xffffffff },
3584 { 0x1d00, 0, 0x7ffbffff, 0x00000000 },
3585 { 0x1d04, 0, 0xffffffff, 0x00000000 },
3586 { 0x1d0c, 0, 0xffffffff, 0x00000000 },
3587 { 0x1d14, 0, 0xffffffff, 0x00000000 },
3588 { 0x1d1c, 0, 0xffffffff, 0x00000000 },
3589 { 0x1d24, 0, 0xffffffff, 0x00000000 },
3590 { 0x1d2c, 0, 0xffffffff, 0x00000000 },
3591 { 0x1d34, 0, 0xffffffff, 0x00000000 },
3592 { 0x1d3c, 0, 0xffffffff, 0x00000000 },
3593 { 0x1d44, 0, 0xffffffff, 0x00000000 },
3594 { 0x1d4c, 0, 0xffffffff, 0x00000000 },
3595 { 0x1d54, 0, 0xffffffff, 0x00000000 },
3596 { 0x1d5c, 0, 0xffffffff, 0x00000000 },
3597 { 0x1d64, 0, 0xffffffff, 0x00000000 },
3598 { 0x1d6c, 0, 0xffffffff, 0x00000000 },
3599 { 0x1d74, 0, 0xffffffff, 0x00000000 },
3600 { 0x1d7c, 0, 0xffffffff, 0x00000000 },
3601 { 0x1d80, 0, 0x0700ffff, 0x00000000 },
3602
3603 { 0x2004, 0, 0x00000000, 0x0337000f },
3604 { 0x2008, 0, 0xffffffff, 0x00000000 },
3605 { 0x200c, 0, 0xffffffff, 0x00000000 },
3606 { 0x2010, 0, 0xffffffff, 0x00000000 },
3607 { 0x2014, 0, 0x801fff80, 0x00000000 },
3608 { 0x2018, 0, 0x000003ff, 0x00000000 },
3609
3610 { 0x2800, 0, 0x00000000, 0x00000001 },
3611 { 0x2804, 0, 0x00000000, 0x00003f01 },
3612 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
3613 { 0x2810, 0, 0xffff0000, 0x00000000 },
3614 { 0x2814, 0, 0xffff0000, 0x00000000 },
3615 { 0x2818, 0, 0xffff0000, 0x00000000 },
3616 { 0x281c, 0, 0xffff0000, 0x00000000 },
3617 { 0x2834, 0, 0xffffffff, 0x00000000 },
3618 { 0x2840, 0, 0x00000000, 0xffffffff },
3619 { 0x2844, 0, 0x00000000, 0xffffffff },
3620 { 0x2848, 0, 0xffffffff, 0x00000000 },
3621 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
3622
3623 { 0x2c00, 0, 0x00000000, 0x00000011 },
3624 { 0x2c04, 0, 0x00000000, 0x00030007 },
3625
3626 { 0x3000, 0, 0x00000000, 0x00000001 },
3627 { 0x3004, 0, 0x00000000, 0x007007ff },
3628 { 0x3008, 0, 0x00000003, 0x00000000 },
3629 { 0x300c, 0, 0xffffffff, 0x00000000 },
3630 { 0x3010, 0, 0xffffffff, 0x00000000 },
3631 { 0x3014, 0, 0xffffffff, 0x00000000 },
3632 { 0x3034, 0, 0xffffffff, 0x00000000 },
3633 { 0x3038, 0, 0xffffffff, 0x00000000 },
3634 { 0x3050, 0, 0x00000001, 0x00000000 },
3635
3636 { 0x3c00, 0, 0x00000000, 0x00000001 },
3637 { 0x3c04, 0, 0x00000000, 0x00070000 },
3638 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
3639 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
3640 { 0x3c10, 0, 0xffffffff, 0x00000000 },
3641 { 0x3c14, 0, 0x00000000, 0xffffffff },
3642 { 0x3c18, 0, 0x00000000, 0xffffffff },
3643 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
3644 { 0x3c20, 0, 0xffffff00, 0x00000000 },
3645 { 0x3c24, 0, 0xffffffff, 0x00000000 },
3646 { 0x3c28, 0, 0xffffffff, 0x00000000 },
3647 { 0x3c2c, 0, 0xffffffff, 0x00000000 },
3648 { 0x3c30, 0, 0xffffffff, 0x00000000 },
3649 { 0x3c34, 0, 0xffffffff, 0x00000000 },
3650 { 0x3c38, 0, 0xffffffff, 0x00000000 },
3651 { 0x3c3c, 0, 0xffffffff, 0x00000000 },
3652 { 0x3c40, 0, 0xffffffff, 0x00000000 },
3653 { 0x3c44, 0, 0xffffffff, 0x00000000 },
3654 { 0x3c48, 0, 0xffffffff, 0x00000000 },
3655 { 0x3c4c, 0, 0xffffffff, 0x00000000 },
3656 { 0x3c50, 0, 0xffffffff, 0x00000000 },
3657 { 0x3c54, 0, 0xffffffff, 0x00000000 },
3658 { 0x3c58, 0, 0xffffffff, 0x00000000 },
3659 { 0x3c5c, 0, 0xffffffff, 0x00000000 },
3660 { 0x3c60, 0, 0xffffffff, 0x00000000 },
3661 { 0x3c64, 0, 0xffffffff, 0x00000000 },
3662 { 0x3c68, 0, 0xffffffff, 0x00000000 },
3663 { 0x3c6c, 0, 0xffffffff, 0x00000000 },
3664 { 0x3c70, 0, 0xffffffff, 0x00000000 },
3665 { 0x3c74, 0, 0x0000003f, 0x00000000 },
3666 { 0x3c78, 0, 0x00000000, 0x00000000 },
3667 { 0x3c7c, 0, 0x00000000, 0x00000000 },
3668 { 0x3c80, 0, 0x3fffffff, 0x00000000 },
3669 { 0x3c84, 0, 0x0000003f, 0x00000000 },
3670 { 0x3c88, 0, 0x00000000, 0xffffffff },
3671 { 0x3c8c, 0, 0x00000000, 0xffffffff },
3672
3673 { 0x4000, 0, 0x00000000, 0x00000001 },
3674 { 0x4004, 0, 0x00000000, 0x00030000 },
3675 { 0x4008, 0, 0x00000ff0, 0x00000000 },
3676 { 0x400c, 0, 0xffffffff, 0x00000000 },
3677 { 0x4088, 0, 0x00000000, 0x00070303 },
3678
3679 { 0x4400, 0, 0x00000000, 0x00000001 },
3680 { 0x4404, 0, 0x00000000, 0x00003f01 },
3681 { 0x4408, 0, 0x7fff00ff, 0x00000000 },
3682 { 0x440c, 0, 0xffffffff, 0x00000000 },
3683 { 0x4410, 0, 0xffff, 0x0000 },
3684 { 0x4414, 0, 0xffff, 0x0000 },
3685 { 0x4418, 0, 0xffff, 0x0000 },
3686 { 0x441c, 0, 0xffff, 0x0000 },
3687 { 0x4428, 0, 0xffffffff, 0x00000000 },
3688 { 0x442c, 0, 0xffffffff, 0x00000000 },
3689 { 0x4430, 0, 0xffffffff, 0x00000000 },
3690 { 0x4434, 0, 0xffffffff, 0x00000000 },
3691 { 0x4438, 0, 0xffffffff, 0x00000000 },
3692 { 0x443c, 0, 0xffffffff, 0x00000000 },
3693 { 0x4440, 0, 0xffffffff, 0x00000000 },
3694 { 0x4444, 0, 0xffffffff, 0x00000000 },
3695
3696 { 0x4c00, 0, 0x00000000, 0x00000001 },
3697 { 0x4c04, 0, 0x00000000, 0x0000003f },
3698 { 0x4c08, 0, 0xffffffff, 0x00000000 },
3699 { 0x4c0c, 0, 0x0007fc00, 0x00000000 },
3700 { 0x4c10, 0, 0x80003fe0, 0x00000000 },
3701 { 0x4c14, 0, 0xffffffff, 0x00000000 },
3702 { 0x4c44, 0, 0x00000000, 0x9fff9fff },
3703 { 0x4c48, 0, 0x00000000, 0xb3009fff },
3704 { 0x4c4c, 0, 0x00000000, 0x77f33b30 },
3705 { 0x4c50, 0, 0x00000000, 0xffffffff },
3706
3707 { 0x5004, 0, 0x00000000, 0x0000007f },
3708 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
3709 { 0x500c, 0, 0xf800f800, 0x07ff07ff },
3710
3711 { 0x5400, 0, 0x00000008, 0x00000001 },
3712 { 0x5404, 0, 0x00000000, 0x0000003f },
3713 { 0x5408, 0, 0x0000001f, 0x00000000 },
3714 { 0x540c, 0, 0xffffffff, 0x00000000 },
3715 { 0x5410, 0, 0xffffffff, 0x00000000 },
3716 { 0x5414, 0, 0x0000ffff, 0x00000000 },
3717 { 0x5418, 0, 0x0000ffff, 0x00000000 },
3718 { 0x541c, 0, 0x0000ffff, 0x00000000 },
3719 { 0x5420, 0, 0x0000ffff, 0x00000000 },
3720 { 0x5428, 0, 0x000000ff, 0x00000000 },
3721 { 0x542c, 0, 0xff00ffff, 0x00000000 },
3722 { 0x5430, 0, 0x001fff80, 0x00000000 },
3723 { 0x5438, 0, 0xffffffff, 0x00000000 },
3724 { 0x543c, 0, 0xffffffff, 0x00000000 },
3725 { 0x5440, 0, 0xf800f800, 0x07ff07ff },
3726
3727 { 0x5c00, 0, 0x00000000, 0x00000001 },
3728 { 0x5c04, 0, 0x00000000, 0x0003000f },
3729 { 0x5c08, 0, 0x00000003, 0x00000000 },
3730 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
3731 { 0x5c10, 0, 0x00000000, 0xffffffff },
3732 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
3733 { 0x5c84, 0, 0x00000000, 0x0000f333 },
3734 { 0x5c88, 0, 0x00000000, 0x00077373 },
3735 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
3736
3737 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
3738 { 0x680c, 0, 0xffffffff, 0x00000000 },
3739 { 0x6810, 0, 0xffffffff, 0x00000000 },
3740 { 0x6814, 0, 0xffffffff, 0x00000000 },
3741 { 0x6818, 0, 0xffffffff, 0x00000000 },
3742 { 0x681c, 0, 0xffffffff, 0x00000000 },
3743 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
3744 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
3745 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
3746 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
3747 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
3748 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
3749 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
3750 { 0x683c, 0, 0x0000ffff, 0x00000000 },
3751 { 0x6840, 0, 0x00000ff0, 0x00000000 },
3752 { 0x6844, 0, 0x00ffff00, 0x00000000 },
3753 { 0x684c, 0, 0xffffffff, 0x00000000 },
3754 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
3755 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
3756 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
3757 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
3758 { 0x6908, 0, 0x00000000, 0x0001ff0f },
3759 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
3760
3761 { 0xffff, 0, 0x00000000, 0x00000000 },
3762 };
3763
3764 ret = 0;
3765 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
3766 u32 offset, rw_mask, ro_mask, save_val, val;
3767
3768 offset = (u32) reg_tbl[i].offset;
3769 rw_mask = reg_tbl[i].rw_mask;
3770 ro_mask = reg_tbl[i].ro_mask;
3771
Peter Hagervall14ab9b82005-08-10 14:18:16 -07003772 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07003773
Peter Hagervall14ab9b82005-08-10 14:18:16 -07003774 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07003775
Peter Hagervall14ab9b82005-08-10 14:18:16 -07003776 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07003777 if ((val & rw_mask) != 0) {
3778 goto reg_test_err;
3779 }
3780
3781 if ((val & ro_mask) != (save_val & ro_mask)) {
3782 goto reg_test_err;
3783 }
3784
Peter Hagervall14ab9b82005-08-10 14:18:16 -07003785 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07003786
Peter Hagervall14ab9b82005-08-10 14:18:16 -07003787 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07003788 if ((val & rw_mask) != rw_mask) {
3789 goto reg_test_err;
3790 }
3791
3792 if ((val & ro_mask) != (save_val & ro_mask)) {
3793 goto reg_test_err;
3794 }
3795
Peter Hagervall14ab9b82005-08-10 14:18:16 -07003796 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07003797 continue;
3798
3799reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07003800 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07003801 ret = -ENODEV;
3802 break;
3803 }
3804 return ret;
3805}
3806
3807static int
3808bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
3809{
3810 static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
3811 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
3812 int i;
3813
3814 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
3815 u32 offset;
3816
3817 for (offset = 0; offset < size; offset += 4) {
3818
3819 REG_WR_IND(bp, start + offset, test_pattern[i]);
3820
3821 if (REG_RD_IND(bp, start + offset) !=
3822 test_pattern[i]) {
3823 return -ENODEV;
3824 }
3825 }
3826 }
3827 return 0;
3828}
3829
3830static int
3831bnx2_test_memory(struct bnx2 *bp)
3832{
3833 int ret = 0;
3834 int i;
3835 static struct {
3836 u32 offset;
3837 u32 len;
3838 } mem_tbl[] = {
3839 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08003840 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07003841 { 0xe0000, 0x4000 },
3842 { 0x120000, 0x4000 },
3843 { 0x1a0000, 0x4000 },
3844 { 0x160000, 0x4000 },
3845 { 0xffffffff, 0 },
3846 };
3847
3848 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
3849 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
3850 mem_tbl[i].len)) != 0) {
3851 return ret;
3852 }
3853 }
3854
3855 return ret;
3856}
3857
3858static int
3859bnx2_test_loopback(struct bnx2 *bp)
3860{
3861 unsigned int pkt_size, num_pkts, i;
3862 struct sk_buff *skb, *rx_skb;
3863 unsigned char *packet;
3864 u16 rx_start_idx, rx_idx, send_idx;
3865 u32 send_bseq, val;
3866 dma_addr_t map;
3867 struct tx_bd *txbd;
3868 struct sw_bd *rx_buf;
3869 struct l2_fhdr *rx_hdr;
3870 int ret = -ENODEV;
3871
3872 if (!netif_running(bp->dev))
3873 return -ENODEV;
3874
3875 bp->loopback = MAC_LOOPBACK;
3876 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_DIAG);
3877 bnx2_set_mac_loopback(bp);
3878
3879 pkt_size = 1514;
3880 skb = dev_alloc_skb(pkt_size);
3881 packet = skb_put(skb, pkt_size);
3882 memcpy(packet, bp->mac_addr, 6);
3883 memset(packet + 6, 0x0, 8);
3884 for (i = 14; i < pkt_size; i++)
3885 packet[i] = (unsigned char) (i & 0xff);
3886
3887 map = pci_map_single(bp->pdev, skb->data, pkt_size,
3888 PCI_DMA_TODEVICE);
3889
3890 val = REG_RD(bp, BNX2_HC_COMMAND);
3891 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3892 REG_RD(bp, BNX2_HC_COMMAND);
3893
3894 udelay(5);
3895 rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;
3896
3897 send_idx = 0;
3898 send_bseq = 0;
3899 num_pkts = 0;
3900
3901 txbd = &bp->tx_desc_ring[send_idx];
3902
3903 txbd->tx_bd_haddr_hi = (u64) map >> 32;
3904 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
3905 txbd->tx_bd_mss_nbytes = pkt_size;
3906 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
3907
3908 num_pkts++;
3909 send_idx = NEXT_TX_BD(send_idx);
3910
3911 send_bseq += pkt_size;
3912
3913 REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, send_idx);
3914 REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, send_bseq);
3915
3916
3917 udelay(100);
3918
3919 val = REG_RD(bp, BNX2_HC_COMMAND);
3920 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3921 REG_RD(bp, BNX2_HC_COMMAND);
3922
3923 udelay(5);
3924
3925 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
3926 dev_kfree_skb_irq(skb);
3927
3928 if (bp->status_blk->status_tx_quick_consumer_index0 != send_idx) {
3929 goto loopback_test_done;
3930 }
3931
3932 rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
3933 if (rx_idx != rx_start_idx + num_pkts) {
3934 goto loopback_test_done;
3935 }
3936
3937 rx_buf = &bp->rx_buf_ring[rx_start_idx];
3938 rx_skb = rx_buf->skb;
3939
3940 rx_hdr = (struct l2_fhdr *) rx_skb->data;
3941 skb_reserve(rx_skb, bp->rx_offset);
3942
3943 pci_dma_sync_single_for_cpu(bp->pdev,
3944 pci_unmap_addr(rx_buf, mapping),
3945 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
3946
3947 if (rx_hdr->l2_fhdr_errors &
3948 (L2_FHDR_ERRORS_BAD_CRC |
3949 L2_FHDR_ERRORS_PHY_DECODE |
3950 L2_FHDR_ERRORS_ALIGNMENT |
3951 L2_FHDR_ERRORS_TOO_SHORT |
3952 L2_FHDR_ERRORS_GIANT_FRAME)) {
3953
3954 goto loopback_test_done;
3955 }
3956
3957 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
3958 goto loopback_test_done;
3959 }
3960
3961 for (i = 14; i < pkt_size; i++) {
3962 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
3963 goto loopback_test_done;
3964 }
3965 }
3966
3967 ret = 0;
3968
3969loopback_test_done:
3970 bp->loopback = 0;
3971 return ret;
3972}
3973
3974#define NVRAM_SIZE 0x200
3975#define CRC32_RESIDUAL 0xdebb20e3
3976
3977static int
3978bnx2_test_nvram(struct bnx2 *bp)
3979{
3980 u32 buf[NVRAM_SIZE / 4];
3981 u8 *data = (u8 *) buf;
3982 int rc = 0;
3983 u32 magic, csum;
3984
3985 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
3986 goto test_nvram_done;
3987
3988 magic = be32_to_cpu(buf[0]);
3989 if (magic != 0x669955aa) {
3990 rc = -ENODEV;
3991 goto test_nvram_done;
3992 }
3993
3994 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
3995 goto test_nvram_done;
3996
3997 csum = ether_crc_le(0x100, data);
3998 if (csum != CRC32_RESIDUAL) {
3999 rc = -ENODEV;
4000 goto test_nvram_done;
4001 }
4002
4003 csum = ether_crc_le(0x100, data + 0x100);
4004 if (csum != CRC32_RESIDUAL) {
4005 rc = -ENODEV;
4006 }
4007
4008test_nvram_done:
4009 return rc;
4010}
4011
4012static int
4013bnx2_test_link(struct bnx2 *bp)
4014{
4015 u32 bmsr;
4016
Michael Chanc770a652005-08-25 15:38:39 -07004017 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004018 bnx2_read_phy(bp, MII_BMSR, &bmsr);
4019 bnx2_read_phy(bp, MII_BMSR, &bmsr);
Michael Chanc770a652005-08-25 15:38:39 -07004020 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004021
4022 if (bmsr & BMSR_LSTATUS) {
4023 return 0;
4024 }
4025 return -ENODEV;
4026}
4027
4028static int
4029bnx2_test_intr(struct bnx2 *bp)
4030{
4031 int i;
4032 u32 val;
4033 u16 status_idx;
4034
4035 if (!netif_running(bp->dev))
4036 return -ENODEV;
4037
4038 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
4039
4040 /* This register is not touched during run-time. */
4041 val = REG_RD(bp, BNX2_HC_COMMAND);
4042 REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
4043 REG_RD(bp, BNX2_HC_COMMAND);
4044
4045 for (i = 0; i < 10; i++) {
4046 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
4047 status_idx) {
4048
4049 break;
4050 }
4051
4052 msleep_interruptible(10);
4053 }
4054 if (i < 10)
4055 return 0;
4056
4057 return -ENODEV;
4058}
4059
4060static void
4061bnx2_timer(unsigned long data)
4062{
4063 struct bnx2 *bp = (struct bnx2 *) data;
4064 u32 msg;
4065
Michael Chancd339a02005-08-25 15:35:24 -07004066 if (!netif_running(bp->dev))
4067 return;
4068
Michael Chanb6016b72005-05-26 13:03:09 -07004069 if (atomic_read(&bp->intr_sem) != 0)
4070 goto bnx2_restart_timer;
4071
4072 msg = (u32) ++bp->fw_drv_pulse_wr_seq;
Michael Chane3648b32005-11-04 08:51:21 -08004073 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg);
Michael Chanb6016b72005-05-26 13:03:09 -07004074
4075 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
4076 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004077
Michael Chanc770a652005-08-25 15:38:39 -07004078 spin_lock(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004079 if (bp->serdes_an_pending) {
4080 bp->serdes_an_pending--;
4081 }
4082 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
4083 u32 bmcr;
4084
Michael Chancd339a02005-08-25 15:35:24 -07004085 bp->current_interval = bp->timer_interval;
4086
Michael Chanb6016b72005-05-26 13:03:09 -07004087 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4088
4089 if (bmcr & BMCR_ANENABLE) {
4090 u32 phy1, phy2;
4091
4092 bnx2_write_phy(bp, 0x1c, 0x7c00);
4093 bnx2_read_phy(bp, 0x1c, &phy1);
4094
4095 bnx2_write_phy(bp, 0x17, 0x0f01);
4096 bnx2_read_phy(bp, 0x15, &phy2);
4097 bnx2_write_phy(bp, 0x17, 0x0f01);
4098 bnx2_read_phy(bp, 0x15, &phy2);
4099
4100 if ((phy1 & 0x10) && /* SIGNAL DETECT */
4101 !(phy2 & 0x20)) { /* no CONFIG */
4102
4103 bmcr &= ~BMCR_ANENABLE;
4104 bmcr |= BMCR_SPEED1000 |
4105 BMCR_FULLDPLX;
4106 bnx2_write_phy(bp, MII_BMCR, bmcr);
4107 bp->phy_flags |=
4108 PHY_PARALLEL_DETECT_FLAG;
4109 }
4110 }
4111 }
4112 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
4113 (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
4114 u32 phy2;
4115
4116 bnx2_write_phy(bp, 0x17, 0x0f01);
4117 bnx2_read_phy(bp, 0x15, &phy2);
4118 if (phy2 & 0x20) {
4119 u32 bmcr;
4120
4121 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4122 bmcr |= BMCR_ANENABLE;
4123 bnx2_write_phy(bp, MII_BMCR, bmcr);
4124
4125 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
4126
4127 }
4128 }
Michael Chancd339a02005-08-25 15:35:24 -07004129 else
4130 bp->current_interval = bp->timer_interval;
Michael Chanb6016b72005-05-26 13:03:09 -07004131
Michael Chanc770a652005-08-25 15:38:39 -07004132 spin_unlock(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004133 }
4134
4135bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07004136 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07004137}
4138
4139/* Called with rtnl_lock */
4140static int
4141bnx2_open(struct net_device *dev)
4142{
4143 struct bnx2 *bp = dev->priv;
4144 int rc;
4145
Pavel Machek829ca9a2005-09-03 15:56:56 -07004146 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07004147 bnx2_disable_int(bp);
4148
4149 rc = bnx2_alloc_mem(bp);
4150 if (rc)
4151 return rc;
4152
4153 if ((CHIP_ID(bp) != CHIP_ID_5706_A0) &&
4154 (CHIP_ID(bp) != CHIP_ID_5706_A1) &&
4155 !disable_msi) {
4156
4157 if (pci_enable_msi(bp->pdev) == 0) {
4158 bp->flags |= USING_MSI_FLAG;
4159 rc = request_irq(bp->pdev->irq, bnx2_msi, 0, dev->name,
4160 dev);
4161 }
4162 else {
4163 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4164 SA_SHIRQ, dev->name, dev);
4165 }
4166 }
4167 else {
4168 rc = request_irq(bp->pdev->irq, bnx2_interrupt, SA_SHIRQ,
4169 dev->name, dev);
4170 }
4171 if (rc) {
4172 bnx2_free_mem(bp);
4173 return rc;
4174 }
4175
4176 rc = bnx2_init_nic(bp);
4177
4178 if (rc) {
4179 free_irq(bp->pdev->irq, dev);
4180 if (bp->flags & USING_MSI_FLAG) {
4181 pci_disable_msi(bp->pdev);
4182 bp->flags &= ~USING_MSI_FLAG;
4183 }
4184 bnx2_free_skbs(bp);
4185 bnx2_free_mem(bp);
4186 return rc;
4187 }
4188
Michael Chancd339a02005-08-25 15:35:24 -07004189 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07004190
4191 atomic_set(&bp->intr_sem, 0);
4192
4193 bnx2_enable_int(bp);
4194
4195 if (bp->flags & USING_MSI_FLAG) {
4196 /* Test MSI to make sure it is working
4197 * If MSI test fails, go back to INTx mode
4198 */
4199 if (bnx2_test_intr(bp) != 0) {
4200 printk(KERN_WARNING PFX "%s: No interrupt was generated"
4201 " using MSI, switching to INTx mode. Please"
4202 " report this failure to the PCI maintainer"
4203 " and include system chipset information.\n",
4204 bp->dev->name);
4205
4206 bnx2_disable_int(bp);
4207 free_irq(bp->pdev->irq, dev);
4208 pci_disable_msi(bp->pdev);
4209 bp->flags &= ~USING_MSI_FLAG;
4210
4211 rc = bnx2_init_nic(bp);
4212
4213 if (!rc) {
4214 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4215 SA_SHIRQ, dev->name, dev);
4216 }
4217 if (rc) {
4218 bnx2_free_skbs(bp);
4219 bnx2_free_mem(bp);
4220 del_timer_sync(&bp->timer);
4221 return rc;
4222 }
4223 bnx2_enable_int(bp);
4224 }
4225 }
4226 if (bp->flags & USING_MSI_FLAG) {
4227 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
4228 }
4229
4230 netif_start_queue(dev);
4231
4232 return 0;
4233}
4234
4235static void
4236bnx2_reset_task(void *data)
4237{
4238 struct bnx2 *bp = data;
4239
Michael Chanafdc08b2005-08-25 15:34:29 -07004240 if (!netif_running(bp->dev))
4241 return;
4242
4243 bp->in_reset_task = 1;
Michael Chanb6016b72005-05-26 13:03:09 -07004244 bnx2_netif_stop(bp);
4245
4246 bnx2_init_nic(bp);
4247
4248 atomic_set(&bp->intr_sem, 1);
4249 bnx2_netif_start(bp);
Michael Chanafdc08b2005-08-25 15:34:29 -07004250 bp->in_reset_task = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07004251}
4252
4253static void
4254bnx2_tx_timeout(struct net_device *dev)
4255{
4256 struct bnx2 *bp = dev->priv;
4257
4258 /* This allows the netif to be shutdown gracefully before resetting */
4259 schedule_work(&bp->reset_task);
4260}
4261
4262#ifdef BCM_VLAN
4263/* Called with rtnl_lock */
4264static void
4265bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
4266{
4267 struct bnx2 *bp = dev->priv;
4268
4269 bnx2_netif_stop(bp);
4270
4271 bp->vlgrp = vlgrp;
4272 bnx2_set_rx_mode(dev);
4273
4274 bnx2_netif_start(bp);
4275}
4276
4277/* Called with rtnl_lock */
4278static void
4279bnx2_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
4280{
4281 struct bnx2 *bp = dev->priv;
4282
4283 bnx2_netif_stop(bp);
4284
4285 if (bp->vlgrp)
4286 bp->vlgrp->vlan_devices[vid] = NULL;
4287 bnx2_set_rx_mode(dev);
4288
4289 bnx2_netif_start(bp);
4290}
4291#endif
4292
4293/* Called with dev->xmit_lock.
4294 * hard_start_xmit is pseudo-lockless - a lock is only required when
4295 * the tx queue is full. This way, we get the benefit of lockless
4296 * operations most of the time without the complexities to handle
4297 * netif_stop_queue/wake_queue race conditions.
4298 */
4299static int
4300bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
4301{
4302 struct bnx2 *bp = dev->priv;
4303 dma_addr_t mapping;
4304 struct tx_bd *txbd;
4305 struct sw_bd *tx_buf;
4306 u32 len, vlan_tag_flags, last_frag, mss;
4307 u16 prod, ring_prod;
4308 int i;
4309
Michael Chane89bbf12005-08-25 15:36:58 -07004310 if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
Michael Chanb6016b72005-05-26 13:03:09 -07004311 netif_stop_queue(dev);
4312 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
4313 dev->name);
4314
4315 return NETDEV_TX_BUSY;
4316 }
4317 len = skb_headlen(skb);
4318 prod = bp->tx_prod;
4319 ring_prod = TX_RING_IDX(prod);
4320
4321 vlan_tag_flags = 0;
4322 if (skb->ip_summed == CHECKSUM_HW) {
4323 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
4324 }
4325
4326 if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
4327 vlan_tag_flags |=
4328 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
4329 }
4330#ifdef BCM_TSO
4331 if ((mss = skb_shinfo(skb)->tso_size) &&
4332 (skb->len > (bp->dev->mtu + ETH_HLEN))) {
4333 u32 tcp_opt_len, ip_tcp_len;
4334
4335 if (skb_header_cloned(skb) &&
4336 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4337 dev_kfree_skb(skb);
4338 return NETDEV_TX_OK;
4339 }
4340
4341 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4342 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
4343
4344 tcp_opt_len = 0;
4345 if (skb->h.th->doff > 5) {
4346 tcp_opt_len = (skb->h.th->doff - 5) << 2;
4347 }
4348 ip_tcp_len = (skb->nh.iph->ihl << 2) + sizeof(struct tcphdr);
4349
4350 skb->nh.iph->check = 0;
4351 skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
4352 skb->h.th->check =
4353 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4354 skb->nh.iph->daddr,
4355 0, IPPROTO_TCP, 0);
4356
4357 if (tcp_opt_len || (skb->nh.iph->ihl > 5)) {
4358 vlan_tag_flags |= ((skb->nh.iph->ihl - 5) +
4359 (tcp_opt_len >> 2)) << 8;
4360 }
4361 }
4362 else
4363#endif
4364 {
4365 mss = 0;
4366 }
4367
4368 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4369
4370 tx_buf = &bp->tx_buf_ring[ring_prod];
4371 tx_buf->skb = skb;
4372 pci_unmap_addr_set(tx_buf, mapping, mapping);
4373
4374 txbd = &bp->tx_desc_ring[ring_prod];
4375
4376 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4377 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4378 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4379 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
4380
4381 last_frag = skb_shinfo(skb)->nr_frags;
4382
4383 for (i = 0; i < last_frag; i++) {
4384 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4385
4386 prod = NEXT_TX_BD(prod);
4387 ring_prod = TX_RING_IDX(prod);
4388 txbd = &bp->tx_desc_ring[ring_prod];
4389
4390 len = frag->size;
4391 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
4392 len, PCI_DMA_TODEVICE);
4393 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
4394 mapping, mapping);
4395
4396 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4397 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4398 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4399 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
4400
4401 }
4402 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
4403
4404 prod = NEXT_TX_BD(prod);
4405 bp->tx_prod_bseq += skb->len;
4406
Michael Chanb6016b72005-05-26 13:03:09 -07004407 REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
4408 REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
4409
4410 mmiowb();
4411
4412 bp->tx_prod = prod;
4413 dev->trans_start = jiffies;
4414
Michael Chane89bbf12005-08-25 15:36:58 -07004415 if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
Michael Chanc770a652005-08-25 15:38:39 -07004416 spin_lock(&bp->tx_lock);
Michael Chane89bbf12005-08-25 15:36:58 -07004417 netif_stop_queue(dev);
4418
4419 if (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)
4420 netif_wake_queue(dev);
Michael Chanc770a652005-08-25 15:38:39 -07004421 spin_unlock(&bp->tx_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004422 }
4423
4424 return NETDEV_TX_OK;
4425}
4426
4427/* Called with rtnl_lock */
4428static int
4429bnx2_close(struct net_device *dev)
4430{
4431 struct bnx2 *bp = dev->priv;
4432 u32 reset_code;
4433
Michael Chanafdc08b2005-08-25 15:34:29 -07004434 /* Calling flush_scheduled_work() may deadlock because
4435 * linkwatch_event() may be on the workqueue and it will try to get
4436 * the rtnl_lock which we are holding.
4437 */
4438 while (bp->in_reset_task)
4439 msleep(1);
4440
Michael Chanb6016b72005-05-26 13:03:09 -07004441 bnx2_netif_stop(bp);
4442 del_timer_sync(&bp->timer);
4443 if (bp->wol)
4444 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4445 else
4446 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4447 bnx2_reset_chip(bp, reset_code);
4448 free_irq(bp->pdev->irq, dev);
4449 if (bp->flags & USING_MSI_FLAG) {
4450 pci_disable_msi(bp->pdev);
4451 bp->flags &= ~USING_MSI_FLAG;
4452 }
4453 bnx2_free_skbs(bp);
4454 bnx2_free_mem(bp);
4455 bp->link_up = 0;
4456 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07004457 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07004458 return 0;
4459}
4460
4461#define GET_NET_STATS64(ctr) \
4462 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
4463 (unsigned long) (ctr##_lo)
4464
4465#define GET_NET_STATS32(ctr) \
4466 (ctr##_lo)
4467
4468#if (BITS_PER_LONG == 64)
4469#define GET_NET_STATS GET_NET_STATS64
4470#else
4471#define GET_NET_STATS GET_NET_STATS32
4472#endif
4473
4474static struct net_device_stats *
4475bnx2_get_stats(struct net_device *dev)
4476{
4477 struct bnx2 *bp = dev->priv;
4478 struct statistics_block *stats_blk = bp->stats_blk;
4479 struct net_device_stats *net_stats = &bp->net_stats;
4480
4481 if (bp->stats_blk == NULL) {
4482 return net_stats;
4483 }
4484 net_stats->rx_packets =
4485 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
4486 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
4487 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
4488
4489 net_stats->tx_packets =
4490 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
4491 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
4492 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
4493
4494 net_stats->rx_bytes =
4495 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
4496
4497 net_stats->tx_bytes =
4498 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
4499
4500 net_stats->multicast =
4501 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
4502
4503 net_stats->collisions =
4504 (unsigned long) stats_blk->stat_EtherStatsCollisions;
4505
4506 net_stats->rx_length_errors =
4507 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
4508 stats_blk->stat_EtherStatsOverrsizePkts);
4509
4510 net_stats->rx_over_errors =
4511 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
4512
4513 net_stats->rx_frame_errors =
4514 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
4515
4516 net_stats->rx_crc_errors =
4517 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
4518
4519 net_stats->rx_errors = net_stats->rx_length_errors +
4520 net_stats->rx_over_errors + net_stats->rx_frame_errors +
4521 net_stats->rx_crc_errors;
4522
4523 net_stats->tx_aborted_errors =
4524 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
4525 stats_blk->stat_Dot3StatsLateCollisions);
4526
Michael Chan5b0c76a2005-11-04 08:45:49 -08004527 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
4528 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07004529 net_stats->tx_carrier_errors = 0;
4530 else {
4531 net_stats->tx_carrier_errors =
4532 (unsigned long)
4533 stats_blk->stat_Dot3StatsCarrierSenseErrors;
4534 }
4535
4536 net_stats->tx_errors =
4537 (unsigned long)
4538 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
4539 +
4540 net_stats->tx_aborted_errors +
4541 net_stats->tx_carrier_errors;
4542
4543 return net_stats;
4544}
4545
4546/* All ethtool functions called with rtnl_lock */
4547
4548static int
4549bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4550{
4551 struct bnx2 *bp = dev->priv;
4552
4553 cmd->supported = SUPPORTED_Autoneg;
4554 if (bp->phy_flags & PHY_SERDES_FLAG) {
4555 cmd->supported |= SUPPORTED_1000baseT_Full |
4556 SUPPORTED_FIBRE;
4557
4558 cmd->port = PORT_FIBRE;
4559 }
4560 else {
4561 cmd->supported |= SUPPORTED_10baseT_Half |
4562 SUPPORTED_10baseT_Full |
4563 SUPPORTED_100baseT_Half |
4564 SUPPORTED_100baseT_Full |
4565 SUPPORTED_1000baseT_Full |
4566 SUPPORTED_TP;
4567
4568 cmd->port = PORT_TP;
4569 }
4570
4571 cmd->advertising = bp->advertising;
4572
4573 if (bp->autoneg & AUTONEG_SPEED) {
4574 cmd->autoneg = AUTONEG_ENABLE;
4575 }
4576 else {
4577 cmd->autoneg = AUTONEG_DISABLE;
4578 }
4579
4580 if (netif_carrier_ok(dev)) {
4581 cmd->speed = bp->line_speed;
4582 cmd->duplex = bp->duplex;
4583 }
4584 else {
4585 cmd->speed = -1;
4586 cmd->duplex = -1;
4587 }
4588
4589 cmd->transceiver = XCVR_INTERNAL;
4590 cmd->phy_address = bp->phy_addr;
4591
4592 return 0;
4593}
4594
4595static int
4596bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4597{
4598 struct bnx2 *bp = dev->priv;
4599 u8 autoneg = bp->autoneg;
4600 u8 req_duplex = bp->req_duplex;
4601 u16 req_line_speed = bp->req_line_speed;
4602 u32 advertising = bp->advertising;
4603
4604 if (cmd->autoneg == AUTONEG_ENABLE) {
4605 autoneg |= AUTONEG_SPEED;
4606
4607 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
4608
4609 /* allow advertising 1 speed */
4610 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
4611 (cmd->advertising == ADVERTISED_10baseT_Full) ||
4612 (cmd->advertising == ADVERTISED_100baseT_Half) ||
4613 (cmd->advertising == ADVERTISED_100baseT_Full)) {
4614
4615 if (bp->phy_flags & PHY_SERDES_FLAG)
4616 return -EINVAL;
4617
4618 advertising = cmd->advertising;
4619
4620 }
4621 else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
4622 advertising = cmd->advertising;
4623 }
4624 else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
4625 return -EINVAL;
4626 }
4627 else {
4628 if (bp->phy_flags & PHY_SERDES_FLAG) {
4629 advertising = ETHTOOL_ALL_FIBRE_SPEED;
4630 }
4631 else {
4632 advertising = ETHTOOL_ALL_COPPER_SPEED;
4633 }
4634 }
4635 advertising |= ADVERTISED_Autoneg;
4636 }
4637 else {
4638 if (bp->phy_flags & PHY_SERDES_FLAG) {
4639 if ((cmd->speed != SPEED_1000) ||
4640 (cmd->duplex != DUPLEX_FULL)) {
4641 return -EINVAL;
4642 }
4643 }
4644 else if (cmd->speed == SPEED_1000) {
4645 return -EINVAL;
4646 }
4647 autoneg &= ~AUTONEG_SPEED;
4648 req_line_speed = cmd->speed;
4649 req_duplex = cmd->duplex;
4650 advertising = 0;
4651 }
4652
4653 bp->autoneg = autoneg;
4654 bp->advertising = advertising;
4655 bp->req_line_speed = req_line_speed;
4656 bp->req_duplex = req_duplex;
4657
Michael Chanc770a652005-08-25 15:38:39 -07004658 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004659
4660 bnx2_setup_phy(bp);
4661
Michael Chanc770a652005-08-25 15:38:39 -07004662 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004663
4664 return 0;
4665}
4666
4667static void
4668bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
4669{
4670 struct bnx2 *bp = dev->priv;
4671
4672 strcpy(info->driver, DRV_MODULE_NAME);
4673 strcpy(info->version, DRV_MODULE_VERSION);
4674 strcpy(info->bus_info, pci_name(bp->pdev));
4675 info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
4676 info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
4677 info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
4678 info->fw_version[6] = (bp->fw_ver & 0xff) + '0';
4679 info->fw_version[1] = info->fw_version[3] = info->fw_version[5] = '.';
4680 info->fw_version[7] = 0;
4681}
4682
4683static void
4684bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4685{
4686 struct bnx2 *bp = dev->priv;
4687
4688 if (bp->flags & NO_WOL_FLAG) {
4689 wol->supported = 0;
4690 wol->wolopts = 0;
4691 }
4692 else {
4693 wol->supported = WAKE_MAGIC;
4694 if (bp->wol)
4695 wol->wolopts = WAKE_MAGIC;
4696 else
4697 wol->wolopts = 0;
4698 }
4699 memset(&wol->sopass, 0, sizeof(wol->sopass));
4700}
4701
4702static int
4703bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4704{
4705 struct bnx2 *bp = dev->priv;
4706
4707 if (wol->wolopts & ~WAKE_MAGIC)
4708 return -EINVAL;
4709
4710 if (wol->wolopts & WAKE_MAGIC) {
4711 if (bp->flags & NO_WOL_FLAG)
4712 return -EINVAL;
4713
4714 bp->wol = 1;
4715 }
4716 else {
4717 bp->wol = 0;
4718 }
4719 return 0;
4720}
4721
4722static int
4723bnx2_nway_reset(struct net_device *dev)
4724{
4725 struct bnx2 *bp = dev->priv;
4726 u32 bmcr;
4727
4728 if (!(bp->autoneg & AUTONEG_SPEED)) {
4729 return -EINVAL;
4730 }
4731
Michael Chanc770a652005-08-25 15:38:39 -07004732 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004733
4734 /* Force a link down visible on the other side */
4735 if (bp->phy_flags & PHY_SERDES_FLAG) {
4736 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07004737 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004738
4739 msleep(20);
4740
Michael Chanc770a652005-08-25 15:38:39 -07004741 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004742 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
Michael Chancd339a02005-08-25 15:35:24 -07004743 bp->current_interval = SERDES_AN_TIMEOUT;
4744 bp->serdes_an_pending = 1;
4745 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07004746 }
4747 }
4748
4749 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4750 bmcr &= ~BMCR_LOOPBACK;
4751 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
4752
Michael Chanc770a652005-08-25 15:38:39 -07004753 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004754
4755 return 0;
4756}
4757
4758static int
4759bnx2_get_eeprom_len(struct net_device *dev)
4760{
4761 struct bnx2 *bp = dev->priv;
4762
4763 if (bp->flash_info == 0)
4764 return 0;
4765
4766 return (int) bp->flash_info->total_size;
4767}
4768
4769static int
4770bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4771 u8 *eebuf)
4772{
4773 struct bnx2 *bp = dev->priv;
4774 int rc;
4775
4776 if (eeprom->offset > bp->flash_info->total_size)
4777 return -EINVAL;
4778
4779 if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4780 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4781
4782 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
4783
4784 return rc;
4785}
4786
4787static int
4788bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4789 u8 *eebuf)
4790{
4791 struct bnx2 *bp = dev->priv;
4792 int rc;
4793
4794 if (eeprom->offset > bp->flash_info->total_size)
4795 return -EINVAL;
4796
4797 if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4798 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4799
4800 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
4801
4802 return rc;
4803}
4804
4805static int
4806bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4807{
4808 struct bnx2 *bp = dev->priv;
4809
4810 memset(coal, 0, sizeof(struct ethtool_coalesce));
4811
4812 coal->rx_coalesce_usecs = bp->rx_ticks;
4813 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
4814 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
4815 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
4816
4817 coal->tx_coalesce_usecs = bp->tx_ticks;
4818 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
4819 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
4820 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
4821
4822 coal->stats_block_coalesce_usecs = bp->stats_ticks;
4823
4824 return 0;
4825}
4826
4827static int
4828bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4829{
4830 struct bnx2 *bp = dev->priv;
4831
4832 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
4833 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
4834
4835 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
4836 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
4837
4838 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
4839 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
4840
4841 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
4842 if (bp->rx_quick_cons_trip_int > 0xff)
4843 bp->rx_quick_cons_trip_int = 0xff;
4844
4845 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
4846 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
4847
4848 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
4849 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
4850
4851 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
4852 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
4853
4854 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
4855 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
4856 0xff;
4857
4858 bp->stats_ticks = coal->stats_block_coalesce_usecs;
4859 if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
4860 bp->stats_ticks &= 0xffff00;
4861
4862 if (netif_running(bp->dev)) {
4863 bnx2_netif_stop(bp);
4864 bnx2_init_nic(bp);
4865 bnx2_netif_start(bp);
4866 }
4867
4868 return 0;
4869}
4870
4871static void
4872bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4873{
4874 struct bnx2 *bp = dev->priv;
4875
4876 ering->rx_max_pending = MAX_RX_DESC_CNT;
4877 ering->rx_mini_max_pending = 0;
4878 ering->rx_jumbo_max_pending = 0;
4879
4880 ering->rx_pending = bp->rx_ring_size;
4881 ering->rx_mini_pending = 0;
4882 ering->rx_jumbo_pending = 0;
4883
4884 ering->tx_max_pending = MAX_TX_DESC_CNT;
4885 ering->tx_pending = bp->tx_ring_size;
4886}
4887
4888static int
4889bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4890{
4891 struct bnx2 *bp = dev->priv;
4892
4893 if ((ering->rx_pending > MAX_RX_DESC_CNT) ||
4894 (ering->tx_pending > MAX_TX_DESC_CNT) ||
4895 (ering->tx_pending <= MAX_SKB_FRAGS)) {
4896
4897 return -EINVAL;
4898 }
4899 bp->rx_ring_size = ering->rx_pending;
4900 bp->tx_ring_size = ering->tx_pending;
4901
4902 if (netif_running(bp->dev)) {
4903 bnx2_netif_stop(bp);
4904 bnx2_init_nic(bp);
4905 bnx2_netif_start(bp);
4906 }
4907
4908 return 0;
4909}
4910
4911static void
4912bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4913{
4914 struct bnx2 *bp = dev->priv;
4915
4916 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
4917 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
4918 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
4919}
4920
4921static int
4922bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4923{
4924 struct bnx2 *bp = dev->priv;
4925
4926 bp->req_flow_ctrl = 0;
4927 if (epause->rx_pause)
4928 bp->req_flow_ctrl |= FLOW_CTRL_RX;
4929 if (epause->tx_pause)
4930 bp->req_flow_ctrl |= FLOW_CTRL_TX;
4931
4932 if (epause->autoneg) {
4933 bp->autoneg |= AUTONEG_FLOW_CTRL;
4934 }
4935 else {
4936 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
4937 }
4938
Michael Chanc770a652005-08-25 15:38:39 -07004939 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004940
4941 bnx2_setup_phy(bp);
4942
Michael Chanc770a652005-08-25 15:38:39 -07004943 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07004944
4945 return 0;
4946}
4947
4948static u32
4949bnx2_get_rx_csum(struct net_device *dev)
4950{
4951 struct bnx2 *bp = dev->priv;
4952
4953 return bp->rx_csum;
4954}
4955
4956static int
4957bnx2_set_rx_csum(struct net_device *dev, u32 data)
4958{
4959 struct bnx2 *bp = dev->priv;
4960
4961 bp->rx_csum = data;
4962 return 0;
4963}
4964
4965#define BNX2_NUM_STATS 45
4966
Peter Hagervall14ab9b82005-08-10 14:18:16 -07004967static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07004968 char string[ETH_GSTRING_LEN];
4969} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
4970 { "rx_bytes" },
4971 { "rx_error_bytes" },
4972 { "tx_bytes" },
4973 { "tx_error_bytes" },
4974 { "rx_ucast_packets" },
4975 { "rx_mcast_packets" },
4976 { "rx_bcast_packets" },
4977 { "tx_ucast_packets" },
4978 { "tx_mcast_packets" },
4979 { "tx_bcast_packets" },
4980 { "tx_mac_errors" },
4981 { "tx_carrier_errors" },
4982 { "rx_crc_errors" },
4983 { "rx_align_errors" },
4984 { "tx_single_collisions" },
4985 { "tx_multi_collisions" },
4986 { "tx_deferred" },
4987 { "tx_excess_collisions" },
4988 { "tx_late_collisions" },
4989 { "tx_total_collisions" },
4990 { "rx_fragments" },
4991 { "rx_jabbers" },
4992 { "rx_undersize_packets" },
4993 { "rx_oversize_packets" },
4994 { "rx_64_byte_packets" },
4995 { "rx_65_to_127_byte_packets" },
4996 { "rx_128_to_255_byte_packets" },
4997 { "rx_256_to_511_byte_packets" },
4998 { "rx_512_to_1023_byte_packets" },
4999 { "rx_1024_to_1522_byte_packets" },
5000 { "rx_1523_to_9022_byte_packets" },
5001 { "tx_64_byte_packets" },
5002 { "tx_65_to_127_byte_packets" },
5003 { "tx_128_to_255_byte_packets" },
5004 { "tx_256_to_511_byte_packets" },
5005 { "tx_512_to_1023_byte_packets" },
5006 { "tx_1024_to_1522_byte_packets" },
5007 { "tx_1523_to_9022_byte_packets" },
5008 { "rx_xon_frames" },
5009 { "rx_xoff_frames" },
5010 { "tx_xon_frames" },
5011 { "tx_xoff_frames" },
5012 { "rx_mac_ctrl_frames" },
5013 { "rx_filtered_packets" },
5014 { "rx_discards" },
5015};
5016
5017#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
5018
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005019static unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005020 STATS_OFFSET32(stat_IfHCInOctets_hi),
5021 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
5022 STATS_OFFSET32(stat_IfHCOutOctets_hi),
5023 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
5024 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
5025 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
5026 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
5027 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
5028 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
5029 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
5030 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
5031 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
5032 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
5033 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
5034 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
5035 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
5036 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
5037 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
5038 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
5039 STATS_OFFSET32(stat_EtherStatsCollisions),
5040 STATS_OFFSET32(stat_EtherStatsFragments),
5041 STATS_OFFSET32(stat_EtherStatsJabbers),
5042 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
5043 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
5044 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
5045 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
5046 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
5047 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
5048 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
5049 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
5050 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
5051 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
5052 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
5053 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
5054 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
5055 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
5056 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
5057 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
5058 STATS_OFFSET32(stat_XonPauseFramesReceived),
5059 STATS_OFFSET32(stat_XoffPauseFramesReceived),
5060 STATS_OFFSET32(stat_OutXonSent),
5061 STATS_OFFSET32(stat_OutXoffSent),
5062 STATS_OFFSET32(stat_MacControlFramesReceived),
5063 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
5064 STATS_OFFSET32(stat_IfInMBUFDiscards),
5065};
5066
5067/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
5068 * skipped because of errata.
5069 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005070static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005071 8,0,8,8,8,8,8,8,8,8,
5072 4,0,4,4,4,4,4,4,4,4,
5073 4,4,4,4,4,4,4,4,4,4,
5074 4,4,4,4,4,4,4,4,4,4,
5075 4,4,4,4,4,
5076};
5077
Michael Chan5b0c76a2005-11-04 08:45:49 -08005078static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
5079 8,0,8,8,8,8,8,8,8,8,
5080 4,4,4,4,4,4,4,4,4,4,
5081 4,4,4,4,4,4,4,4,4,4,
5082 4,4,4,4,4,4,4,4,4,4,
5083 4,4,4,4,4,
5084};
5085
Michael Chanb6016b72005-05-26 13:03:09 -07005086#define BNX2_NUM_TESTS 6
5087
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005088static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005089 char string[ETH_GSTRING_LEN];
5090} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
5091 { "register_test (offline)" },
5092 { "memory_test (offline)" },
5093 { "loopback_test (offline)" },
5094 { "nvram_test (online)" },
5095 { "interrupt_test (online)" },
5096 { "link_test (online)" },
5097};
5098
5099static int
5100bnx2_self_test_count(struct net_device *dev)
5101{
5102 return BNX2_NUM_TESTS;
5103}
5104
5105static void
5106bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
5107{
5108 struct bnx2 *bp = dev->priv;
5109
5110 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
5111 if (etest->flags & ETH_TEST_FL_OFFLINE) {
5112 bnx2_netif_stop(bp);
5113 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
5114 bnx2_free_skbs(bp);
5115
5116 if (bnx2_test_registers(bp) != 0) {
5117 buf[0] = 1;
5118 etest->flags |= ETH_TEST_FL_FAILED;
5119 }
5120 if (bnx2_test_memory(bp) != 0) {
5121 buf[1] = 1;
5122 etest->flags |= ETH_TEST_FL_FAILED;
5123 }
5124 if (bnx2_test_loopback(bp) != 0) {
5125 buf[2] = 1;
5126 etest->flags |= ETH_TEST_FL_FAILED;
5127 }
5128
5129 if (!netif_running(bp->dev)) {
5130 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
5131 }
5132 else {
5133 bnx2_init_nic(bp);
5134 bnx2_netif_start(bp);
5135 }
5136
5137 /* wait for link up */
5138 msleep_interruptible(3000);
5139 if ((!bp->link_up) && !(bp->phy_flags & PHY_SERDES_FLAG))
5140 msleep_interruptible(4000);
5141 }
5142
5143 if (bnx2_test_nvram(bp) != 0) {
5144 buf[3] = 1;
5145 etest->flags |= ETH_TEST_FL_FAILED;
5146 }
5147 if (bnx2_test_intr(bp) != 0) {
5148 buf[4] = 1;
5149 etest->flags |= ETH_TEST_FL_FAILED;
5150 }
5151
5152 if (bnx2_test_link(bp) != 0) {
5153 buf[5] = 1;
5154 etest->flags |= ETH_TEST_FL_FAILED;
5155
5156 }
5157}
5158
5159static void
5160bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
5161{
5162 switch (stringset) {
5163 case ETH_SS_STATS:
5164 memcpy(buf, bnx2_stats_str_arr,
5165 sizeof(bnx2_stats_str_arr));
5166 break;
5167 case ETH_SS_TEST:
5168 memcpy(buf, bnx2_tests_str_arr,
5169 sizeof(bnx2_tests_str_arr));
5170 break;
5171 }
5172}
5173
5174static int
5175bnx2_get_stats_count(struct net_device *dev)
5176{
5177 return BNX2_NUM_STATS;
5178}
5179
5180static void
5181bnx2_get_ethtool_stats(struct net_device *dev,
5182 struct ethtool_stats *stats, u64 *buf)
5183{
5184 struct bnx2 *bp = dev->priv;
5185 int i;
5186 u32 *hw_stats = (u32 *) bp->stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005187 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005188
5189 if (hw_stats == NULL) {
5190 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
5191 return;
5192 }
5193
Michael Chan5b0c76a2005-11-04 08:45:49 -08005194 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
5195 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
5196 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
5197 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07005198 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08005199 else
5200 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07005201
5202 for (i = 0; i < BNX2_NUM_STATS; i++) {
5203 if (stats_len_arr[i] == 0) {
5204 /* skip this counter */
5205 buf[i] = 0;
5206 continue;
5207 }
5208 if (stats_len_arr[i] == 4) {
5209 /* 4-byte counter */
5210 buf[i] = (u64)
5211 *(hw_stats + bnx2_stats_offset_arr[i]);
5212 continue;
5213 }
5214 /* 8-byte counter */
5215 buf[i] = (((u64) *(hw_stats +
5216 bnx2_stats_offset_arr[i])) << 32) +
5217 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
5218 }
5219}
5220
5221static int
5222bnx2_phys_id(struct net_device *dev, u32 data)
5223{
5224 struct bnx2 *bp = dev->priv;
5225 int i;
5226 u32 save;
5227
5228 if (data == 0)
5229 data = 2;
5230
5231 save = REG_RD(bp, BNX2_MISC_CFG);
5232 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
5233
5234 for (i = 0; i < (data * 2); i++) {
5235 if ((i % 2) == 0) {
5236 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
5237 }
5238 else {
5239 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
5240 BNX2_EMAC_LED_1000MB_OVERRIDE |
5241 BNX2_EMAC_LED_100MB_OVERRIDE |
5242 BNX2_EMAC_LED_10MB_OVERRIDE |
5243 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
5244 BNX2_EMAC_LED_TRAFFIC);
5245 }
5246 msleep_interruptible(500);
5247 if (signal_pending(current))
5248 break;
5249 }
5250 REG_WR(bp, BNX2_EMAC_LED, 0);
5251 REG_WR(bp, BNX2_MISC_CFG, save);
5252 return 0;
5253}
5254
5255static struct ethtool_ops bnx2_ethtool_ops = {
5256 .get_settings = bnx2_get_settings,
5257 .set_settings = bnx2_set_settings,
5258 .get_drvinfo = bnx2_get_drvinfo,
5259 .get_wol = bnx2_get_wol,
5260 .set_wol = bnx2_set_wol,
5261 .nway_reset = bnx2_nway_reset,
5262 .get_link = ethtool_op_get_link,
5263 .get_eeprom_len = bnx2_get_eeprom_len,
5264 .get_eeprom = bnx2_get_eeprom,
5265 .set_eeprom = bnx2_set_eeprom,
5266 .get_coalesce = bnx2_get_coalesce,
5267 .set_coalesce = bnx2_set_coalesce,
5268 .get_ringparam = bnx2_get_ringparam,
5269 .set_ringparam = bnx2_set_ringparam,
5270 .get_pauseparam = bnx2_get_pauseparam,
5271 .set_pauseparam = bnx2_set_pauseparam,
5272 .get_rx_csum = bnx2_get_rx_csum,
5273 .set_rx_csum = bnx2_set_rx_csum,
5274 .get_tx_csum = ethtool_op_get_tx_csum,
5275 .set_tx_csum = ethtool_op_set_tx_csum,
5276 .get_sg = ethtool_op_get_sg,
5277 .set_sg = ethtool_op_set_sg,
5278#ifdef BCM_TSO
5279 .get_tso = ethtool_op_get_tso,
5280 .set_tso = ethtool_op_set_tso,
5281#endif
5282 .self_test_count = bnx2_self_test_count,
5283 .self_test = bnx2_self_test,
5284 .get_strings = bnx2_get_strings,
5285 .phys_id = bnx2_phys_id,
5286 .get_stats_count = bnx2_get_stats_count,
5287 .get_ethtool_stats = bnx2_get_ethtool_stats,
John W. Linville24b8e052005-09-12 14:45:08 -07005288 .get_perm_addr = ethtool_op_get_perm_addr,
Michael Chanb6016b72005-05-26 13:03:09 -07005289};
5290
5291/* Called with rtnl_lock */
5292static int
5293bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
5294{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005295 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chanb6016b72005-05-26 13:03:09 -07005296 struct bnx2 *bp = dev->priv;
5297 int err;
5298
5299 switch(cmd) {
5300 case SIOCGMIIPHY:
5301 data->phy_id = bp->phy_addr;
5302
5303 /* fallthru */
5304 case SIOCGMIIREG: {
5305 u32 mii_regval;
5306
Michael Chanc770a652005-08-25 15:38:39 -07005307 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005308 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07005309 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005310
5311 data->val_out = mii_regval;
5312
5313 return err;
5314 }
5315
5316 case SIOCSMIIREG:
5317 if (!capable(CAP_NET_ADMIN))
5318 return -EPERM;
5319
Michael Chanc770a652005-08-25 15:38:39 -07005320 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005321 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07005322 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005323
5324 return err;
5325
5326 default:
5327 /* do nothing */
5328 break;
5329 }
5330 return -EOPNOTSUPP;
5331}
5332
5333/* Called with rtnl_lock */
5334static int
5335bnx2_change_mac_addr(struct net_device *dev, void *p)
5336{
5337 struct sockaddr *addr = p;
5338 struct bnx2 *bp = dev->priv;
5339
Michael Chan73eef4c2005-08-25 15:39:15 -07005340 if (!is_valid_ether_addr(addr->sa_data))
5341 return -EINVAL;
5342
Michael Chanb6016b72005-05-26 13:03:09 -07005343 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5344 if (netif_running(dev))
5345 bnx2_set_mac_addr(bp);
5346
5347 return 0;
5348}
5349
5350/* Called with rtnl_lock */
5351static int
5352bnx2_change_mtu(struct net_device *dev, int new_mtu)
5353{
5354 struct bnx2 *bp = dev->priv;
5355
5356 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
5357 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
5358 return -EINVAL;
5359
5360 dev->mtu = new_mtu;
5361 if (netif_running(dev)) {
5362 bnx2_netif_stop(bp);
5363
5364 bnx2_init_nic(bp);
5365
5366 bnx2_netif_start(bp);
5367 }
5368 return 0;
5369}
5370
5371#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5372static void
5373poll_bnx2(struct net_device *dev)
5374{
5375 struct bnx2 *bp = dev->priv;
5376
5377 disable_irq(bp->pdev->irq);
5378 bnx2_interrupt(bp->pdev->irq, dev, NULL);
5379 enable_irq(bp->pdev->irq);
5380}
5381#endif
5382
5383static int __devinit
5384bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
5385{
5386 struct bnx2 *bp;
5387 unsigned long mem_len;
5388 int rc;
5389 u32 reg;
5390
5391 SET_MODULE_OWNER(dev);
5392 SET_NETDEV_DEV(dev, &pdev->dev);
5393 bp = dev->priv;
5394
5395 bp->flags = 0;
5396 bp->phy_flags = 0;
5397
5398 /* enable device (incl. PCI PM wakeup), and bus-mastering */
5399 rc = pci_enable_device(pdev);
5400 if (rc) {
5401 printk(KERN_ERR PFX "Cannot enable PCI device, aborting.");
5402 goto err_out;
5403 }
5404
5405 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
5406 printk(KERN_ERR PFX "Cannot find PCI device base address, "
5407 "aborting.\n");
5408 rc = -ENODEV;
5409 goto err_out_disable;
5410 }
5411
5412 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
5413 if (rc) {
5414 printk(KERN_ERR PFX "Cannot obtain PCI resources, aborting.\n");
5415 goto err_out_disable;
5416 }
5417
5418 pci_set_master(pdev);
5419
5420 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
5421 if (bp->pm_cap == 0) {
5422 printk(KERN_ERR PFX "Cannot find power management capability, "
5423 "aborting.\n");
5424 rc = -EIO;
5425 goto err_out_release;
5426 }
5427
5428 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
5429 if (bp->pcix_cap == 0) {
5430 printk(KERN_ERR PFX "Cannot find PCIX capability, aborting.\n");
5431 rc = -EIO;
5432 goto err_out_release;
5433 }
5434
5435 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
5436 bp->flags |= USING_DAC_FLAG;
5437 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
5438 printk(KERN_ERR PFX "pci_set_consistent_dma_mask "
5439 "failed, aborting.\n");
5440 rc = -EIO;
5441 goto err_out_release;
5442 }
5443 }
5444 else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
5445 printk(KERN_ERR PFX "System does not support DMA, aborting.\n");
5446 rc = -EIO;
5447 goto err_out_release;
5448 }
5449
5450 bp->dev = dev;
5451 bp->pdev = pdev;
5452
5453 spin_lock_init(&bp->phy_lock);
5454 spin_lock_init(&bp->tx_lock);
5455 INIT_WORK(&bp->reset_task, bnx2_reset_task, bp);
5456
5457 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
5458 mem_len = MB_GET_CID_ADDR(17);
5459 dev->mem_end = dev->mem_start + mem_len;
5460 dev->irq = pdev->irq;
5461
5462 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
5463
5464 if (!bp->regview) {
5465 printk(KERN_ERR PFX "Cannot map register space, aborting.\n");
5466 rc = -ENOMEM;
5467 goto err_out_release;
5468 }
5469
5470 /* Configure byte swap and enable write to the reg_window registers.
5471 * Rely on CPU to do target byte swapping on big endian systems
5472 * The chip's target access swapping will not swap all accesses
5473 */
5474 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
5475 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
5476 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
5477
Pavel Machek829ca9a2005-09-03 15:56:56 -07005478 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07005479
5480 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
5481
Michael Chanb6016b72005-05-26 13:03:09 -07005482 /* Get bus information. */
5483 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
5484 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
5485 u32 clkreg;
5486
5487 bp->flags |= PCIX_FLAG;
5488
5489 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
5490
5491 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
5492 switch (clkreg) {
5493 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
5494 bp->bus_speed_mhz = 133;
5495 break;
5496
5497 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
5498 bp->bus_speed_mhz = 100;
5499 break;
5500
5501 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
5502 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
5503 bp->bus_speed_mhz = 66;
5504 break;
5505
5506 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
5507 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
5508 bp->bus_speed_mhz = 50;
5509 break;
5510
5511 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
5512 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
5513 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
5514 bp->bus_speed_mhz = 33;
5515 break;
5516 }
5517 }
5518 else {
5519 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
5520 bp->bus_speed_mhz = 66;
5521 else
5522 bp->bus_speed_mhz = 33;
5523 }
5524
5525 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
5526 bp->flags |= PCI_32BIT_FLAG;
5527
5528 /* 5706A0 may falsely detect SERR and PERR. */
5529 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5530 reg = REG_RD(bp, PCI_COMMAND);
5531 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
5532 REG_WR(bp, PCI_COMMAND, reg);
5533 }
5534 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
5535 !(bp->flags & PCIX_FLAG)) {
5536
5537 printk(KERN_ERR PFX "5706 A1 can only be used in a PCIX bus, "
5538 "aborting.\n");
5539 goto err_out_unmap;
5540 }
5541
5542 bnx2_init_nvram(bp);
5543
Michael Chane3648b32005-11-04 08:51:21 -08005544 reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);
5545
5546 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
5547 BNX2_SHM_HDR_SIGNATURE_SIG)
5548 bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0);
5549 else
5550 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
5551
Michael Chanb6016b72005-05-26 13:03:09 -07005552 /* Get the permanent MAC address. First we need to make sure the
5553 * firmware is actually running.
5554 */
Michael Chane3648b32005-11-04 08:51:21 -08005555 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07005556
5557 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
5558 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
5559 printk(KERN_ERR PFX "Firmware not running, aborting.\n");
5560 rc = -ENODEV;
5561 goto err_out_unmap;
5562 }
5563
Michael Chane3648b32005-11-04 08:51:21 -08005564 bp->fw_ver = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
Michael Chanb6016b72005-05-26 13:03:09 -07005565
Michael Chane3648b32005-11-04 08:51:21 -08005566 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07005567 bp->mac_addr[0] = (u8) (reg >> 8);
5568 bp->mac_addr[1] = (u8) reg;
5569
Michael Chane3648b32005-11-04 08:51:21 -08005570 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07005571 bp->mac_addr[2] = (u8) (reg >> 24);
5572 bp->mac_addr[3] = (u8) (reg >> 16);
5573 bp->mac_addr[4] = (u8) (reg >> 8);
5574 bp->mac_addr[5] = (u8) reg;
5575
5576 bp->tx_ring_size = MAX_TX_DESC_CNT;
5577 bp->rx_ring_size = 100;
5578
5579 bp->rx_csum = 1;
5580
5581 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
5582
5583 bp->tx_quick_cons_trip_int = 20;
5584 bp->tx_quick_cons_trip = 20;
5585 bp->tx_ticks_int = 80;
5586 bp->tx_ticks = 80;
5587
5588 bp->rx_quick_cons_trip_int = 6;
5589 bp->rx_quick_cons_trip = 6;
5590 bp->rx_ticks_int = 18;
5591 bp->rx_ticks = 18;
5592
5593 bp->stats_ticks = 1000000 & 0xffff00;
5594
5595 bp->timer_interval = HZ;
Michael Chancd339a02005-08-25 15:35:24 -07005596 bp->current_interval = HZ;
Michael Chanb6016b72005-05-26 13:03:09 -07005597
Michael Chan5b0c76a2005-11-04 08:45:49 -08005598 bp->phy_addr = 1;
5599
Michael Chanb6016b72005-05-26 13:03:09 -07005600 /* Disable WOL support if we are running on a SERDES chip. */
5601 if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) {
5602 bp->phy_flags |= PHY_SERDES_FLAG;
5603 bp->flags |= NO_WOL_FLAG;
Michael Chan5b0c76a2005-11-04 08:45:49 -08005604 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
5605 bp->phy_addr = 2;
Michael Chane3648b32005-11-04 08:51:21 -08005606 reg = REG_RD_IND(bp, bp->shmem_base +
Michael Chan5b0c76a2005-11-04 08:45:49 -08005607 BNX2_SHARED_HW_CFG_CONFIG);
5608 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
5609 bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
5610 }
Michael Chanb6016b72005-05-26 13:03:09 -07005611 }
5612
5613 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5614 bp->tx_quick_cons_trip_int =
5615 bp->tx_quick_cons_trip;
5616 bp->tx_ticks_int = bp->tx_ticks;
5617 bp->rx_quick_cons_trip_int =
5618 bp->rx_quick_cons_trip;
5619 bp->rx_ticks_int = bp->rx_ticks;
5620 bp->comp_prod_trip_int = bp->comp_prod_trip;
5621 bp->com_ticks_int = bp->com_ticks;
5622 bp->cmd_ticks_int = bp->cmd_ticks;
5623 }
5624
5625 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
5626 bp->req_line_speed = 0;
5627 if (bp->phy_flags & PHY_SERDES_FLAG) {
5628 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
Michael Chancd339a02005-08-25 15:35:24 -07005629
Michael Chane3648b32005-11-04 08:51:21 -08005630 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
Michael Chancd339a02005-08-25 15:35:24 -07005631 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
5632 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
5633 bp->autoneg = 0;
5634 bp->req_line_speed = bp->line_speed = SPEED_1000;
5635 bp->req_duplex = DUPLEX_FULL;
5636 }
Michael Chanb6016b72005-05-26 13:03:09 -07005637 }
5638 else {
5639 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
5640 }
5641
5642 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
5643
Michael Chancd339a02005-08-25 15:35:24 -07005644 init_timer(&bp->timer);
5645 bp->timer.expires = RUN_AT(bp->timer_interval);
5646 bp->timer.data = (unsigned long) bp;
5647 bp->timer.function = bnx2_timer;
5648
Michael Chanb6016b72005-05-26 13:03:09 -07005649 return 0;
5650
5651err_out_unmap:
5652 if (bp->regview) {
5653 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07005654 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005655 }
5656
5657err_out_release:
5658 pci_release_regions(pdev);
5659
5660err_out_disable:
5661 pci_disable_device(pdev);
5662 pci_set_drvdata(pdev, NULL);
5663
5664err_out:
5665 return rc;
5666}
5667
5668static int __devinit
5669bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
5670{
5671 static int version_printed = 0;
5672 struct net_device *dev = NULL;
5673 struct bnx2 *bp;
5674 int rc, i;
5675
5676 if (version_printed++ == 0)
5677 printk(KERN_INFO "%s", version);
5678
5679 /* dev zeroed in init_etherdev */
5680 dev = alloc_etherdev(sizeof(*bp));
5681
5682 if (!dev)
5683 return -ENOMEM;
5684
5685 rc = bnx2_init_board(pdev, dev);
5686 if (rc < 0) {
5687 free_netdev(dev);
5688 return rc;
5689 }
5690
5691 dev->open = bnx2_open;
5692 dev->hard_start_xmit = bnx2_start_xmit;
5693 dev->stop = bnx2_close;
5694 dev->get_stats = bnx2_get_stats;
5695 dev->set_multicast_list = bnx2_set_rx_mode;
5696 dev->do_ioctl = bnx2_ioctl;
5697 dev->set_mac_address = bnx2_change_mac_addr;
5698 dev->change_mtu = bnx2_change_mtu;
5699 dev->tx_timeout = bnx2_tx_timeout;
5700 dev->watchdog_timeo = TX_TIMEOUT;
5701#ifdef BCM_VLAN
5702 dev->vlan_rx_register = bnx2_vlan_rx_register;
5703 dev->vlan_rx_kill_vid = bnx2_vlan_rx_kill_vid;
5704#endif
5705 dev->poll = bnx2_poll;
5706 dev->ethtool_ops = &bnx2_ethtool_ops;
5707 dev->weight = 64;
5708
5709 bp = dev->priv;
5710
5711#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5712 dev->poll_controller = poll_bnx2;
5713#endif
5714
5715 if ((rc = register_netdev(dev))) {
5716 printk(KERN_ERR PFX "Cannot register net device\n");
5717 if (bp->regview)
5718 iounmap(bp->regview);
5719 pci_release_regions(pdev);
5720 pci_disable_device(pdev);
5721 pci_set_drvdata(pdev, NULL);
5722 free_netdev(dev);
5723 return rc;
5724 }
5725
5726 pci_set_drvdata(pdev, dev);
5727
5728 memcpy(dev->dev_addr, bp->mac_addr, 6);
John W. Linville24b8e052005-09-12 14:45:08 -07005729 memcpy(dev->perm_addr, bp->mac_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005730 bp->name = board_info[ent->driver_data].name,
5731 printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz found at mem %lx, "
5732 "IRQ %d, ",
5733 dev->name,
5734 bp->name,
5735 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
5736 ((CHIP_ID(bp) & 0x0ff0) >> 4),
5737 ((bp->flags & PCIX_FLAG) ? "-X" : ""),
5738 ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
5739 bp->bus_speed_mhz,
5740 dev->base_addr,
5741 bp->pdev->irq);
5742
5743 printk("node addr ");
5744 for (i = 0; i < 6; i++)
5745 printk("%2.2x", dev->dev_addr[i]);
5746 printk("\n");
5747
5748 dev->features |= NETIF_F_SG;
5749 if (bp->flags & USING_DAC_FLAG)
5750 dev->features |= NETIF_F_HIGHDMA;
5751 dev->features |= NETIF_F_IP_CSUM;
5752#ifdef BCM_VLAN
5753 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
5754#endif
5755#ifdef BCM_TSO
5756 dev->features |= NETIF_F_TSO;
5757#endif
5758
5759 netif_carrier_off(bp->dev);
5760
5761 return 0;
5762}
5763
5764static void __devexit
5765bnx2_remove_one(struct pci_dev *pdev)
5766{
5767 struct net_device *dev = pci_get_drvdata(pdev);
5768 struct bnx2 *bp = dev->priv;
5769
Michael Chanafdc08b2005-08-25 15:34:29 -07005770 flush_scheduled_work();
5771
Michael Chanb6016b72005-05-26 13:03:09 -07005772 unregister_netdev(dev);
5773
5774 if (bp->regview)
5775 iounmap(bp->regview);
5776
5777 free_netdev(dev);
5778 pci_release_regions(pdev);
5779 pci_disable_device(pdev);
5780 pci_set_drvdata(pdev, NULL);
5781}
5782
5783static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07005784bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07005785{
5786 struct net_device *dev = pci_get_drvdata(pdev);
5787 struct bnx2 *bp = dev->priv;
5788 u32 reset_code;
5789
5790 if (!netif_running(dev))
5791 return 0;
5792
5793 bnx2_netif_stop(bp);
5794 netif_device_detach(dev);
5795 del_timer_sync(&bp->timer);
5796 if (bp->wol)
5797 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5798 else
5799 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5800 bnx2_reset_chip(bp, reset_code);
5801 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07005802 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07005803 return 0;
5804}
5805
5806static int
5807bnx2_resume(struct pci_dev *pdev)
5808{
5809 struct net_device *dev = pci_get_drvdata(pdev);
5810 struct bnx2 *bp = dev->priv;
5811
5812 if (!netif_running(dev))
5813 return 0;
5814
Pavel Machek829ca9a2005-09-03 15:56:56 -07005815 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07005816 netif_device_attach(dev);
5817 bnx2_init_nic(bp);
5818 bnx2_netif_start(bp);
5819 return 0;
5820}
5821
5822static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005823 .name = DRV_MODULE_NAME,
5824 .id_table = bnx2_pci_tbl,
5825 .probe = bnx2_init_one,
5826 .remove = __devexit_p(bnx2_remove_one),
5827 .suspend = bnx2_suspend,
5828 .resume = bnx2_resume,
Michael Chanb6016b72005-05-26 13:03:09 -07005829};
5830
5831static int __init bnx2_init(void)
5832{
5833 return pci_module_init(&bnx2_pci_driver);
5834}
5835
5836static void __exit bnx2_cleanup(void)
5837{
5838 pci_unregister_driver(&bnx2_pci_driver);
5839}
5840
5841module_init(bnx2_init);
5842module_exit(bnx2_cleanup);
5843
5844
5845