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ehea: fix race condition
[linux-2.6/mini2440.git] / drivers / net / bnx2.c
blob367b6d462708af2d8fe06050ac076844b3b54c1b
1 /* bnx2.c: Broadcom NX2 network driver.
2 *
3 * Copyright (c) 2004-2008 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
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15
16 #include <linux/kernel.h>
17 #include <linux/timer.h>
18 #include <linux/errno.h>
19 #include <linux/ioport.h>
20 #include <linux/slab.h>
21 #include <linux/vmalloc.h>
22 #include <linux/interrupt.h>
23 #include <linux/pci.h>
24 #include <linux/init.h>
25 #include <linux/netdevice.h>
26 #include <linux/etherdevice.h>
27 #include <linux/skbuff.h>
28 #include <linux/dma-mapping.h>
29 #include <linux/bitops.h>
30 #include <asm/io.h>
31 #include <asm/irq.h>
32 #include <linux/delay.h>
33 #include <asm/byteorder.h>
34 #include <asm/page.h>
35 #include <linux/time.h>
36 #include <linux/ethtool.h>
37 #include <linux/mii.h>
38 #ifdef NETIF_F_HW_VLAN_TX
39 #include <linux/if_vlan.h>
40 #define BCM_VLAN 1
41 #endif
42 #include <net/ip.h>
43 #include <net/tcp.h>
44 #include <net/checksum.h>
45 #include <linux/workqueue.h>
46 #include <linux/crc32.h>
47 #include <linux/prefetch.h>
48 #include <linux/cache.h>
49 #include <linux/zlib.h>
50
51 #include "bnx2.h"
52 #include "bnx2_fw.h"
53 #include "bnx2_fw2.h"
54
55 #define FW_BUF_SIZE 0x10000
56
57 #define DRV_MODULE_NAME "bnx2"
58 #define PFX DRV_MODULE_NAME ": "
59 #define DRV_MODULE_VERSION "1.7.5"
60 #define DRV_MODULE_RELDATE "April 29, 2008"
61
62 #define RUN_AT(x) (jiffies + (x))
63
64 /* Time in jiffies before concluding the transmitter is hung. */
65 #define TX_TIMEOUT (5*HZ)
66
67 static char version[] __devinitdata =
68 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
69
70 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
71 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
72 MODULE_LICENSE("GPL");
73 MODULE_VERSION(DRV_MODULE_VERSION);
74
75 static int disable_msi = 0;
76
77 module_param(disable_msi, int, 0);
78 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
79
80 typedef enum {
81 BCM5706 = 0,
82 NC370T,
83 NC370I,
84 BCM5706S,
85 NC370F,
86 BCM5708,
87 BCM5708S,
88 BCM5709,
89 BCM5709S,
90 } board_t;
91
92 /* indexed by board_t, above */
93 static struct {
94 char *name;
95 } board_info[] __devinitdata = {
96 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
97 { "HP NC370T Multifunction Gigabit Server Adapter" },
98 { "HP NC370i Multifunction Gigabit Server Adapter" },
99 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
100 { "HP NC370F Multifunction Gigabit Server Adapter" },
101 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
102 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
103 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
104 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
105 };
106
107 static struct pci_device_id bnx2_pci_tbl[] = {
108 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
109 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
110 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
111 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
112 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
113 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
114 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
115 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
116 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
117 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
118 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
119 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
120 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
122 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
123 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
125 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
126 { 0, }
127 };
128
129 static struct flash_spec flash_table[] =
130 {
131 #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
132 #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
133 /* Slow EEPROM */
134 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
135 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
136 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
137 "EEPROM - slow"},
138 /* Expansion entry 0001 */
139 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
140 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
141 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
142 "Entry 0001"},
143 /* Saifun SA25F010 (non-buffered flash) */
144 /* strap, cfg1, & write1 need updates */
145 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
146 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
147 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
148 "Non-buffered flash (128kB)"},
149 /* Saifun SA25F020 (non-buffered flash) */
150 /* strap, cfg1, & write1 need updates */
151 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
152 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
153 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
154 "Non-buffered flash (256kB)"},
155 /* Expansion entry 0100 */
156 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
157 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
158 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
159 "Entry 0100"},
160 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
161 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
162 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
163 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
164 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
165 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
166 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
167 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
168 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
169 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
170 /* Saifun SA25F005 (non-buffered flash) */
171 /* strap, cfg1, & write1 need updates */
172 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
173 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
174 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
175 "Non-buffered flash (64kB)"},
176 /* Fast EEPROM */
177 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
178 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
179 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
180 "EEPROM - fast"},
181 /* Expansion entry 1001 */
182 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
183 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
184 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
185 "Entry 1001"},
186 /* Expansion entry 1010 */
187 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
188 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
189 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
190 "Entry 1010"},
191 /* ATMEL AT45DB011B (buffered flash) */
192 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
193 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
194 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
195 "Buffered flash (128kB)"},
196 /* Expansion entry 1100 */
197 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
198 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
199 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
200 "Entry 1100"},
201 /* Expansion entry 1101 */
202 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1101"},
206 /* Ateml Expansion entry 1110 */
207 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
208 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
209 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1110 (Atmel)"},
211 /* ATMEL AT45DB021B (buffered flash) */
212 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
215 "Buffered flash (256kB)"},
216 };
217
218 static struct flash_spec flash_5709 = {
219 .flags = BNX2_NV_BUFFERED,
220 .page_bits = BCM5709_FLASH_PAGE_BITS,
221 .page_size = BCM5709_FLASH_PAGE_SIZE,
222 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
223 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
224 .name = "5709 Buffered flash (256kB)",
225 };
226
227 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
228
229 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_napi *bnapi)
230 {
231 u32 diff;
232
233 smp_mb();
234
235 /* The ring uses 256 indices for 255 entries, one of them
236 * needs to be skipped.
237 */
238 diff = bp->tx_prod - bnapi->tx_cons;
239 if (unlikely(diff >= TX_DESC_CNT)) {
240 diff &= 0xffff;
241 if (diff == TX_DESC_CNT)
242 diff = MAX_TX_DESC_CNT;
243 }
244 return (bp->tx_ring_size - diff);
245 }
246
247 static u32
248 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
249 {
250 u32 val;
251
252 spin_lock_bh(&bp->indirect_lock);
253 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
254 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
255 spin_unlock_bh(&bp->indirect_lock);
256 return val;
257 }
258
259 static void
260 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
261 {
262 spin_lock_bh(&bp->indirect_lock);
263 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
264 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
265 spin_unlock_bh(&bp->indirect_lock);
266 }
267
268 static void
269 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
270 {
271 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
272 }
273
274 static u32
275 bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
276 {
277 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
278 }
279
280 static void
281 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
282 {
283 offset += cid_addr;
284 spin_lock_bh(&bp->indirect_lock);
285 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
286 int i;
287
288 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
289 REG_WR(bp, BNX2_CTX_CTX_CTRL,
290 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
291 for (i = 0; i < 5; i++) {
292 u32 val;
293 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
294 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
295 break;
296 udelay(5);
297 }
298 } else {
299 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
300 REG_WR(bp, BNX2_CTX_DATA, val);
301 }
302 spin_unlock_bh(&bp->indirect_lock);
303 }
304
305 static int
306 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
307 {
308 u32 val1;
309 int i, ret;
310
311 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
312 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
313 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
314
315 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
316 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
317
318 udelay(40);
319 }
320
321 val1 = (bp->phy_addr << 21) | (reg << 16) |
322 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
323 BNX2_EMAC_MDIO_COMM_START_BUSY;
324 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
325
326 for (i = 0; i < 50; i++) {
327 udelay(10);
328
329 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
330 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
331 udelay(5);
332
333 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
334 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
335
336 break;
337 }
338 }
339
340 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
341 *val = 0x0;
342 ret = -EBUSY;
343 }
344 else {
345 *val = val1;
346 ret = 0;
347 }
348
349 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
350 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
351 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
352
353 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
354 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
355
356 udelay(40);
357 }
358
359 return ret;
360 }
361
362 static int
363 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
364 {
365 u32 val1;
366 int i, ret;
367
368 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
369 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
370 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
371
372 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
373 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
374
375 udelay(40);
376 }
377
378 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
379 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
380 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
381 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
382
383 for (i = 0; i < 50; i++) {
384 udelay(10);
385
386 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
387 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
388 udelay(5);
389 break;
390 }
391 }
392
393 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
394 ret = -EBUSY;
395 else
396 ret = 0;
397
398 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
399 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
400 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
401
402 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
403 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
404
405 udelay(40);
406 }
407
408 return ret;
409 }
410
411 static void
412 bnx2_disable_int(struct bnx2 *bp)
413 {
414 int i;
415 struct bnx2_napi *bnapi;
416
417 for (i = 0; i < bp->irq_nvecs; i++) {
418 bnapi = &bp->bnx2_napi[i];
419 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
420 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
421 }
422 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
423 }
424
425 static void
426 bnx2_enable_int(struct bnx2 *bp)
427 {
428 int i;
429 struct bnx2_napi *bnapi;
430
431 for (i = 0; i < bp->irq_nvecs; i++) {
432 bnapi = &bp->bnx2_napi[i];
433
434 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
435 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
436 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
437 bnapi->last_status_idx);
438
439 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
440 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
441 bnapi->last_status_idx);
442 }
443 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
444 }
445
446 static void
447 bnx2_disable_int_sync(struct bnx2 *bp)
448 {
449 int i;
450
451 atomic_inc(&bp->intr_sem);
452 bnx2_disable_int(bp);
453 for (i = 0; i < bp->irq_nvecs; i++)
454 synchronize_irq(bp->irq_tbl[i].vector);
455 }
456
457 static void
458 bnx2_napi_disable(struct bnx2 *bp)
459 {
460 int i;
461
462 for (i = 0; i < bp->irq_nvecs; i++)
463 napi_disable(&bp->bnx2_napi[i].napi);
464 }
465
466 static void
467 bnx2_napi_enable(struct bnx2 *bp)
468 {
469 int i;
470
471 for (i = 0; i < bp->irq_nvecs; i++)
472 napi_enable(&bp->bnx2_napi[i].napi);
473 }
474
475 static void
476 bnx2_netif_stop(struct bnx2 *bp)
477 {
478 bnx2_disable_int_sync(bp);
479 if (netif_running(bp->dev)) {
480 bnx2_napi_disable(bp);
481 netif_tx_disable(bp->dev);
482 bp->dev->trans_start = jiffies; /* prevent tx timeout */
483 }
484 }
485
486 static void
487 bnx2_netif_start(struct bnx2 *bp)
488 {
489 if (atomic_dec_and_test(&bp->intr_sem)) {
490 if (netif_running(bp->dev)) {
491 netif_wake_queue(bp->dev);
492 bnx2_napi_enable(bp);
493 bnx2_enable_int(bp);
494 }
495 }
496 }
497
498 static void
499 bnx2_free_mem(struct bnx2 *bp)
500 {
501 int i;
502
503 for (i = 0; i < bp->ctx_pages; i++) {
504 if (bp->ctx_blk[i]) {
505 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
506 bp->ctx_blk[i],
507 bp->ctx_blk_mapping[i]);
508 bp->ctx_blk[i] = NULL;
509 }
510 }
511 if (bp->status_blk) {
512 pci_free_consistent(bp->pdev, bp->status_stats_size,
513 bp->status_blk, bp->status_blk_mapping);
514 bp->status_blk = NULL;
515 bp->stats_blk = NULL;
516 }
517 if (bp->tx_desc_ring) {
518 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
519 bp->tx_desc_ring, bp->tx_desc_mapping);
520 bp->tx_desc_ring = NULL;
521 }
522 kfree(bp->tx_buf_ring);
523 bp->tx_buf_ring = NULL;
524 for (i = 0; i < bp->rx_max_ring; i++) {
525 if (bp->rx_desc_ring[i])
526 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
527 bp->rx_desc_ring[i],
528 bp->rx_desc_mapping[i]);
529 bp->rx_desc_ring[i] = NULL;
530 }
531 vfree(bp->rx_buf_ring);
532 bp->rx_buf_ring = NULL;
533 for (i = 0; i < bp->rx_max_pg_ring; i++) {
534 if (bp->rx_pg_desc_ring[i])
535 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
536 bp->rx_pg_desc_ring[i],
537 bp->rx_pg_desc_mapping[i]);
538 bp->rx_pg_desc_ring[i] = NULL;
539 }
540 if (bp->rx_pg_ring)
541 vfree(bp->rx_pg_ring);
542 bp->rx_pg_ring = NULL;
543 }
544
545 static int
546 bnx2_alloc_mem(struct bnx2 *bp)
547 {
548 int i, status_blk_size;
549
550 bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
551 if (bp->tx_buf_ring == NULL)
552 return -ENOMEM;
553
554 bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
555 &bp->tx_desc_mapping);
556 if (bp->tx_desc_ring == NULL)
557 goto alloc_mem_err;
558
559 bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
560 if (bp->rx_buf_ring == NULL)
561 goto alloc_mem_err;
562
563 memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
564
565 for (i = 0; i < bp->rx_max_ring; i++) {
566 bp->rx_desc_ring[i] =
567 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
568 &bp->rx_desc_mapping[i]);
569 if (bp->rx_desc_ring[i] == NULL)
570 goto alloc_mem_err;
571
572 }
573
574 if (bp->rx_pg_ring_size) {
575 bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
576 bp->rx_max_pg_ring);
577 if (bp->rx_pg_ring == NULL)
578 goto alloc_mem_err;
579
580 memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
581 bp->rx_max_pg_ring);
582 }
583
584 for (i = 0; i < bp->rx_max_pg_ring; i++) {
585 bp->rx_pg_desc_ring[i] =
586 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
587 &bp->rx_pg_desc_mapping[i]);
588 if (bp->rx_pg_desc_ring[i] == NULL)
589 goto alloc_mem_err;
590
591 }
592
593 /* Combine status and statistics blocks into one allocation. */
594 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
595 if (bp->flags & BNX2_FLAG_MSIX_CAP)
596 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
597 BNX2_SBLK_MSIX_ALIGN_SIZE);
598 bp->status_stats_size = status_blk_size +
599 sizeof(struct statistics_block);
600
601 bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
602 &bp->status_blk_mapping);
603 if (bp->status_blk == NULL)
604 goto alloc_mem_err;
605
606 memset(bp->status_blk, 0, bp->status_stats_size);
607
608 bp->bnx2_napi[0].status_blk = bp->status_blk;
609 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
610 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
611 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
612
613 bnapi->status_blk_msix = (void *)
614 ((unsigned long) bp->status_blk +
615 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
616 bnapi->int_num = i << 24;
617 }
618 }
619
620 bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
621 status_blk_size);
622
623 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
624
625 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
626 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
627 if (bp->ctx_pages == 0)
628 bp->ctx_pages = 1;
629 for (i = 0; i < bp->ctx_pages; i++) {
630 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
631 BCM_PAGE_SIZE,
632 &bp->ctx_blk_mapping[i]);
633 if (bp->ctx_blk[i] == NULL)
634 goto alloc_mem_err;
635 }
636 }
637 return 0;
638
639 alloc_mem_err:
640 bnx2_free_mem(bp);
641 return -ENOMEM;
642 }
643
644 static void
645 bnx2_report_fw_link(struct bnx2 *bp)
646 {
647 u32 fw_link_status = 0;
648
649 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
650 return;
651
652 if (bp->link_up) {
653 u32 bmsr;
654
655 switch (bp->line_speed) {
656 case SPEED_10:
657 if (bp->duplex == DUPLEX_HALF)
658 fw_link_status = BNX2_LINK_STATUS_10HALF;
659 else
660 fw_link_status = BNX2_LINK_STATUS_10FULL;
661 break;
662 case SPEED_100:
663 if (bp->duplex == DUPLEX_HALF)
664 fw_link_status = BNX2_LINK_STATUS_100HALF;
665 else
666 fw_link_status = BNX2_LINK_STATUS_100FULL;
667 break;
668 case SPEED_1000:
669 if (bp->duplex == DUPLEX_HALF)
670 fw_link_status = BNX2_LINK_STATUS_1000HALF;
671 else
672 fw_link_status = BNX2_LINK_STATUS_1000FULL;
673 break;
674 case SPEED_2500:
675 if (bp->duplex == DUPLEX_HALF)
676 fw_link_status = BNX2_LINK_STATUS_2500HALF;
677 else
678 fw_link_status = BNX2_LINK_STATUS_2500FULL;
679 break;
680 }
681
682 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
683
684 if (bp->autoneg) {
685 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
686
687 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
688 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
689
690 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
691 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
692 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
693 else
694 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
695 }
696 }
697 else
698 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
699
700 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
701 }
702
703 static char *
704 bnx2_xceiver_str(struct bnx2 *bp)
705 {
706 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
707 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
708 "Copper"));
709 }
710
711 static void
712 bnx2_report_link(struct bnx2 *bp)
713 {
714 if (bp->link_up) {
715 netif_carrier_on(bp->dev);
716 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
717 bnx2_xceiver_str(bp));
718
719 printk("%d Mbps ", bp->line_speed);
720
721 if (bp->duplex == DUPLEX_FULL)
722 printk("full duplex");
723 else
724 printk("half duplex");
725
726 if (bp->flow_ctrl) {
727 if (bp->flow_ctrl & FLOW_CTRL_RX) {
728 printk(", receive ");
729 if (bp->flow_ctrl & FLOW_CTRL_TX)
730 printk("& transmit ");
731 }
732 else {
733 printk(", transmit ");
734 }
735 printk("flow control ON");
736 }
737 printk("\n");
738 }
739 else {
740 netif_carrier_off(bp->dev);
741 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
742 bnx2_xceiver_str(bp));
743 }
744
745 bnx2_report_fw_link(bp);
746 }
747
748 static void
749 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
750 {
751 u32 local_adv, remote_adv;
752
753 bp->flow_ctrl = 0;
754 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
755 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
756
757 if (bp->duplex == DUPLEX_FULL) {
758 bp->flow_ctrl = bp->req_flow_ctrl;
759 }
760 return;
761 }
762
763 if (bp->duplex != DUPLEX_FULL) {
764 return;
765 }
766
767 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
768 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
769 u32 val;
770
771 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
772 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
773 bp->flow_ctrl |= FLOW_CTRL_TX;
774 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
775 bp->flow_ctrl |= FLOW_CTRL_RX;
776 return;
777 }
778
779 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
780 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
781
782 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
783 u32 new_local_adv = 0;
784 u32 new_remote_adv = 0;
785
786 if (local_adv & ADVERTISE_1000XPAUSE)
787 new_local_adv |= ADVERTISE_PAUSE_CAP;
788 if (local_adv & ADVERTISE_1000XPSE_ASYM)
789 new_local_adv |= ADVERTISE_PAUSE_ASYM;
790 if (remote_adv & ADVERTISE_1000XPAUSE)
791 new_remote_adv |= ADVERTISE_PAUSE_CAP;
792 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
793 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
794
795 local_adv = new_local_adv;
796 remote_adv = new_remote_adv;
797 }
798
799 /* See Table 28B-3 of 802.3ab-1999 spec. */
800 if (local_adv & ADVERTISE_PAUSE_CAP) {
801 if(local_adv & ADVERTISE_PAUSE_ASYM) {
802 if (remote_adv & ADVERTISE_PAUSE_CAP) {
803 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
804 }
805 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
806 bp->flow_ctrl = FLOW_CTRL_RX;
807 }
808 }
809 else {
810 if (remote_adv & ADVERTISE_PAUSE_CAP) {
811 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
812 }
813 }
814 }
815 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
816 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
817 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
818
819 bp->flow_ctrl = FLOW_CTRL_TX;
820 }
821 }
822 }
823
824 static int
825 bnx2_5709s_linkup(struct bnx2 *bp)
826 {
827 u32 val, speed;
828
829 bp->link_up = 1;
830
831 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
832 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
833 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
834
835 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
836 bp->line_speed = bp->req_line_speed;
837 bp->duplex = bp->req_duplex;
838 return 0;
839 }
840 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
841 switch (speed) {
842 case MII_BNX2_GP_TOP_AN_SPEED_10:
843 bp->line_speed = SPEED_10;
844 break;
845 case MII_BNX2_GP_TOP_AN_SPEED_100:
846 bp->line_speed = SPEED_100;
847 break;
848 case MII_BNX2_GP_TOP_AN_SPEED_1G:
849 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
850 bp->line_speed = SPEED_1000;
851 break;
852 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
853 bp->line_speed = SPEED_2500;
854 break;
855 }
856 if (val & MII_BNX2_GP_TOP_AN_FD)
857 bp->duplex = DUPLEX_FULL;
858 else
859 bp->duplex = DUPLEX_HALF;
860 return 0;
861 }
862
863 static int
864 bnx2_5708s_linkup(struct bnx2 *bp)
865 {
866 u32 val;
867
868 bp->link_up = 1;
869 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
870 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
871 case BCM5708S_1000X_STAT1_SPEED_10:
872 bp->line_speed = SPEED_10;
873 break;
874 case BCM5708S_1000X_STAT1_SPEED_100:
875 bp->line_speed = SPEED_100;
876 break;
877 case BCM5708S_1000X_STAT1_SPEED_1G:
878 bp->line_speed = SPEED_1000;
879 break;
880 case BCM5708S_1000X_STAT1_SPEED_2G5:
881 bp->line_speed = SPEED_2500;
882 break;
883 }
884 if (val & BCM5708S_1000X_STAT1_FD)
885 bp->duplex = DUPLEX_FULL;
886 else
887 bp->duplex = DUPLEX_HALF;
888
889 return 0;
890 }
891
892 static int
893 bnx2_5706s_linkup(struct bnx2 *bp)
894 {
895 u32 bmcr, local_adv, remote_adv, common;
896
897 bp->link_up = 1;
898 bp->line_speed = SPEED_1000;
899
900 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
901 if (bmcr & BMCR_FULLDPLX) {
902 bp->duplex = DUPLEX_FULL;
903 }
904 else {
905 bp->duplex = DUPLEX_HALF;
906 }
907
908 if (!(bmcr & BMCR_ANENABLE)) {
909 return 0;
910 }
911
912 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
913 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
914
915 common = local_adv & remote_adv;
916 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
917
918 if (common & ADVERTISE_1000XFULL) {
919 bp->duplex = DUPLEX_FULL;
920 }
921 else {
922 bp->duplex = DUPLEX_HALF;
923 }
924 }
925
926 return 0;
927 }
928
929 static int
930 bnx2_copper_linkup(struct bnx2 *bp)
931 {
932 u32 bmcr;
933
934 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
935 if (bmcr & BMCR_ANENABLE) {
936 u32 local_adv, remote_adv, common;
937
938 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
939 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
940
941 common = local_adv & (remote_adv >> 2);
942 if (common & ADVERTISE_1000FULL) {
943 bp->line_speed = SPEED_1000;
944 bp->duplex = DUPLEX_FULL;
945 }
946 else if (common & ADVERTISE_1000HALF) {
947 bp->line_speed = SPEED_1000;
948 bp->duplex = DUPLEX_HALF;
949 }
950 else {
951 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
952 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
953
954 common = local_adv & remote_adv;
955 if (common & ADVERTISE_100FULL) {
956 bp->line_speed = SPEED_100;
957 bp->duplex = DUPLEX_FULL;
958 }
959 else if (common & ADVERTISE_100HALF) {
960 bp->line_speed = SPEED_100;
961 bp->duplex = DUPLEX_HALF;
962 }
963 else if (common & ADVERTISE_10FULL) {
964 bp->line_speed = SPEED_10;
965 bp->duplex = DUPLEX_FULL;
966 }
967 else if (common & ADVERTISE_10HALF) {
968 bp->line_speed = SPEED_10;
969 bp->duplex = DUPLEX_HALF;
970 }
971 else {
972 bp->line_speed = 0;
973 bp->link_up = 0;
974 }
975 }
976 }
977 else {
978 if (bmcr & BMCR_SPEED100) {
979 bp->line_speed = SPEED_100;
980 }
981 else {
982 bp->line_speed = SPEED_10;
983 }
984 if (bmcr & BMCR_FULLDPLX) {
985 bp->duplex = DUPLEX_FULL;
986 }
987 else {
988 bp->duplex = DUPLEX_HALF;
989 }
990 }
991
992 return 0;
993 }
994
995 static void
996 bnx2_init_rx_context0(struct bnx2 *bp)
997 {
998 u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
999
1000 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1001 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1002 val |= 0x02 << 8;
1003
1004 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1005 u32 lo_water, hi_water;
1006
1007 if (bp->flow_ctrl & FLOW_CTRL_TX)
1008 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1009 else
1010 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1011 if (lo_water >= bp->rx_ring_size)
1012 lo_water = 0;
1013
1014 hi_water = bp->rx_ring_size / 4;
1015
1016 if (hi_water <= lo_water)
1017 lo_water = 0;
1018
1019 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1020 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1021
1022 if (hi_water > 0xf)
1023 hi_water = 0xf;
1024 else if (hi_water == 0)
1025 lo_water = 0;
1026 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1027 }
1028 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1029 }
1030
1031 static int
1032 bnx2_set_mac_link(struct bnx2 *bp)
1033 {
1034 u32 val;
1035
1036 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1037 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1038 (bp->duplex == DUPLEX_HALF)) {
1039 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1040 }
1041
1042 /* Configure the EMAC mode register. */
1043 val = REG_RD(bp, BNX2_EMAC_MODE);
1044
1045 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1046 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1047 BNX2_EMAC_MODE_25G_MODE);
1048
1049 if (bp->link_up) {
1050 switch (bp->line_speed) {
1051 case SPEED_10:
1052 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1053 val |= BNX2_EMAC_MODE_PORT_MII_10M;
1054 break;
1055 }
1056 /* fall through */
1057 case SPEED_100:
1058 val |= BNX2_EMAC_MODE_PORT_MII;
1059 break;
1060 case SPEED_2500:
1061 val |= BNX2_EMAC_MODE_25G_MODE;
1062 /* fall through */
1063 case SPEED_1000:
1064 val |= BNX2_EMAC_MODE_PORT_GMII;
1065 break;
1066 }
1067 }
1068 else {
1069 val |= BNX2_EMAC_MODE_PORT_GMII;
1070 }
1071
1072 /* Set the MAC to operate in the appropriate duplex mode. */
1073 if (bp->duplex == DUPLEX_HALF)
1074 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1075 REG_WR(bp, BNX2_EMAC_MODE, val);
1076
1077 /* Enable/disable rx PAUSE. */
1078 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1079
1080 if (bp->flow_ctrl & FLOW_CTRL_RX)
1081 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1082 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1083
1084 /* Enable/disable tx PAUSE. */
1085 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1086 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1087
1088 if (bp->flow_ctrl & FLOW_CTRL_TX)
1089 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1090 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1091
1092 /* Acknowledge the interrupt. */
1093 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1094
1095 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1096 bnx2_init_rx_context0(bp);
1097
1098 return 0;
1099 }
1100
1101 static void
1102 bnx2_enable_bmsr1(struct bnx2 *bp)
1103 {
1104 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1105 (CHIP_NUM(bp) == CHIP_NUM_5709))
1106 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1107 MII_BNX2_BLK_ADDR_GP_STATUS);
1108 }
1109
1110 static void
1111 bnx2_disable_bmsr1(struct bnx2 *bp)
1112 {
1113 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1114 (CHIP_NUM(bp) == CHIP_NUM_5709))
1115 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1116 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1117 }
1118
1119 static int
1120 bnx2_test_and_enable_2g5(struct bnx2 *bp)
1121 {
1122 u32 up1;
1123 int ret = 1;
1124
1125 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1126 return 0;
1127
1128 if (bp->autoneg & AUTONEG_SPEED)
1129 bp->advertising |= ADVERTISED_2500baseX_Full;
1130
1131 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1132 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1133
1134 bnx2_read_phy(bp, bp->mii_up1, &up1);
1135 if (!(up1 & BCM5708S_UP1_2G5)) {
1136 up1 |= BCM5708S_UP1_2G5;
1137 bnx2_write_phy(bp, bp->mii_up1, up1);
1138 ret = 0;
1139 }
1140
1141 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1142 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1143 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1144
1145 return ret;
1146 }
1147
1148 static int
1149 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1150 {
1151 u32 up1;
1152 int ret = 0;
1153
1154 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1155 return 0;
1156
1157 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1158 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1159
1160 bnx2_read_phy(bp, bp->mii_up1, &up1);
1161 if (up1 & BCM5708S_UP1_2G5) {
1162 up1 &= ~BCM5708S_UP1_2G5;
1163 bnx2_write_phy(bp, bp->mii_up1, up1);
1164 ret = 1;
1165 }
1166
1167 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1168 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1169 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1170
1171 return ret;
1172 }
1173
1174 static void
1175 bnx2_enable_forced_2g5(struct bnx2 *bp)
1176 {
1177 u32 bmcr;
1178
1179 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1180 return;
1181
1182 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1183 u32 val;
1184
1185 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1186 MII_BNX2_BLK_ADDR_SERDES_DIG);
1187 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1188 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1189 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1190 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1191
1192 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1193 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1194 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1195
1196 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1197 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1198 bmcr |= BCM5708S_BMCR_FORCE_2500;
1199 }
1200
1201 if (bp->autoneg & AUTONEG_SPEED) {
1202 bmcr &= ~BMCR_ANENABLE;
1203 if (bp->req_duplex == DUPLEX_FULL)
1204 bmcr |= BMCR_FULLDPLX;
1205 }
1206 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1207 }
1208
1209 static void
1210 bnx2_disable_forced_2g5(struct bnx2 *bp)
1211 {
1212 u32 bmcr;
1213
1214 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1215 return;
1216
1217 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1218 u32 val;
1219
1220 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1221 MII_BNX2_BLK_ADDR_SERDES_DIG);
1222 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1223 val &= ~MII_BNX2_SD_MISC1_FORCE;
1224 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1225
1226 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1227 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1228 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1229
1230 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1231 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1232 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1233 }
1234
1235 if (bp->autoneg & AUTONEG_SPEED)
1236 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1237 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1238 }
1239
1240 static void
1241 bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1242 {
1243 u32 val;
1244
1245 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1246 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1247 if (start)
1248 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1249 else
1250 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1251 }
1252
1253 static int
1254 bnx2_set_link(struct bnx2 *bp)
1255 {
1256 u32 bmsr;
1257 u8 link_up;
1258
1259 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1260 bp->link_up = 1;
1261 return 0;
1262 }
1263
1264 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1265 return 0;
1266
1267 link_up = bp->link_up;
1268
1269 bnx2_enable_bmsr1(bp);
1270 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1271 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1272 bnx2_disable_bmsr1(bp);
1273
1274 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1275 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1276 u32 val, an_dbg;
1277
1278 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1279 bnx2_5706s_force_link_dn(bp, 0);
1280 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1281 }
1282 val = REG_RD(bp, BNX2_EMAC_STATUS);
1283
1284 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1285 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1286 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1287
1288 if ((val & BNX2_EMAC_STATUS_LINK) &&
1289 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1290 bmsr |= BMSR_LSTATUS;
1291 else
1292 bmsr &= ~BMSR_LSTATUS;
1293 }
1294
1295 if (bmsr & BMSR_LSTATUS) {
1296 bp->link_up = 1;
1297
1298 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1299 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1300 bnx2_5706s_linkup(bp);
1301 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1302 bnx2_5708s_linkup(bp);
1303 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1304 bnx2_5709s_linkup(bp);
1305 }
1306 else {
1307 bnx2_copper_linkup(bp);
1308 }
1309 bnx2_resolve_flow_ctrl(bp);
1310 }
1311 else {
1312 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1313 (bp->autoneg & AUTONEG_SPEED))
1314 bnx2_disable_forced_2g5(bp);
1315
1316 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1317 u32 bmcr;
1318
1319 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1320 bmcr |= BMCR_ANENABLE;
1321 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1322
1323 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1324 }
1325 bp->link_up = 0;
1326 }
1327
1328 if (bp->link_up != link_up) {
1329 bnx2_report_link(bp);
1330 }
1331
1332 bnx2_set_mac_link(bp);
1333
1334 return 0;
1335 }
1336
1337 static int
1338 bnx2_reset_phy(struct bnx2 *bp)
1339 {
1340 int i;
1341 u32 reg;
1342
1343 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1344
1345 #define PHY_RESET_MAX_WAIT 100
1346 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1347 udelay(10);
1348
1349 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1350 if (!(reg & BMCR_RESET)) {
1351 udelay(20);
1352 break;
1353 }
1354 }
1355 if (i == PHY_RESET_MAX_WAIT) {
1356 return -EBUSY;
1357 }
1358 return 0;
1359 }
1360
1361 static u32
1362 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1363 {
1364 u32 adv = 0;
1365
1366 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1367 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1368
1369 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1370 adv = ADVERTISE_1000XPAUSE;
1371 }
1372 else {
1373 adv = ADVERTISE_PAUSE_CAP;
1374 }
1375 }
1376 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1377 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1378 adv = ADVERTISE_1000XPSE_ASYM;
1379 }
1380 else {
1381 adv = ADVERTISE_PAUSE_ASYM;
1382 }
1383 }
1384 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1385 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1386 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1387 }
1388 else {
1389 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1390 }
1391 }
1392 return adv;
1393 }
1394
1395 static int bnx2_fw_sync(struct bnx2 *, u32, int);
1396
1397 static int
1398 bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1399 {
1400 u32 speed_arg = 0, pause_adv;
1401
1402 pause_adv = bnx2_phy_get_pause_adv(bp);
1403
1404 if (bp->autoneg & AUTONEG_SPEED) {
1405 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1406 if (bp->advertising & ADVERTISED_10baseT_Half)
1407 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1408 if (bp->advertising & ADVERTISED_10baseT_Full)
1409 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1410 if (bp->advertising & ADVERTISED_100baseT_Half)
1411 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1412 if (bp->advertising & ADVERTISED_100baseT_Full)
1413 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1414 if (bp->advertising & ADVERTISED_1000baseT_Full)
1415 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1416 if (bp->advertising & ADVERTISED_2500baseX_Full)
1417 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1418 } else {
1419 if (bp->req_line_speed == SPEED_2500)
1420 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1421 else if (bp->req_line_speed == SPEED_1000)
1422 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1423 else if (bp->req_line_speed == SPEED_100) {
1424 if (bp->req_duplex == DUPLEX_FULL)
1425 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1426 else
1427 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1428 } else if (bp->req_line_speed == SPEED_10) {
1429 if (bp->req_duplex == DUPLEX_FULL)
1430 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1431 else
1432 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1433 }
1434 }
1435
1436 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1437 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1438 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1439 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1440
1441 if (port == PORT_TP)
1442 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1443 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1444
1445 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1446
1447 spin_unlock_bh(&bp->phy_lock);
1448 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
1449 spin_lock_bh(&bp->phy_lock);
1450
1451 return 0;
1452 }
1453
1454 static int
1455 bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1456 {
1457 u32 adv, bmcr;
1458 u32 new_adv = 0;
1459
1460 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1461 return (bnx2_setup_remote_phy(bp, port));
1462
1463 if (!(bp->autoneg & AUTONEG_SPEED)) {
1464 u32 new_bmcr;
1465 int force_link_down = 0;
1466
1467 if (bp->req_line_speed == SPEED_2500) {
1468 if (!bnx2_test_and_enable_2g5(bp))
1469 force_link_down = 1;
1470 } else if (bp->req_line_speed == SPEED_1000) {
1471 if (bnx2_test_and_disable_2g5(bp))
1472 force_link_down = 1;
1473 }
1474 bnx2_read_phy(bp, bp->mii_adv, &adv);
1475 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1476
1477 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1478 new_bmcr = bmcr & ~BMCR_ANENABLE;
1479 new_bmcr |= BMCR_SPEED1000;
1480
1481 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1482 if (bp->req_line_speed == SPEED_2500)
1483 bnx2_enable_forced_2g5(bp);
1484 else if (bp->req_line_speed == SPEED_1000) {
1485 bnx2_disable_forced_2g5(bp);
1486 new_bmcr &= ~0x2000;
1487 }
1488
1489 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1490 if (bp->req_line_speed == SPEED_2500)
1491 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1492 else
1493 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1494 }
1495
1496 if (bp->req_duplex == DUPLEX_FULL) {
1497 adv |= ADVERTISE_1000XFULL;
1498 new_bmcr |= BMCR_FULLDPLX;
1499 }
1500 else {
1501 adv |= ADVERTISE_1000XHALF;
1502 new_bmcr &= ~BMCR_FULLDPLX;
1503 }
1504 if ((new_bmcr != bmcr) || (force_link_down)) {
1505 /* Force a link down visible on the other side */
1506 if (bp->link_up) {
1507 bnx2_write_phy(bp, bp->mii_adv, adv &
1508 ~(ADVERTISE_1000XFULL |
1509 ADVERTISE_1000XHALF));
1510 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1511 BMCR_ANRESTART | BMCR_ANENABLE);
1512
1513 bp->link_up = 0;
1514 netif_carrier_off(bp->dev);
1515 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1516 bnx2_report_link(bp);
1517 }
1518 bnx2_write_phy(bp, bp->mii_adv, adv);
1519 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1520 } else {
1521 bnx2_resolve_flow_ctrl(bp);
1522 bnx2_set_mac_link(bp);
1523 }
1524 return 0;
1525 }
1526
1527 bnx2_test_and_enable_2g5(bp);
1528
1529 if (bp->advertising & ADVERTISED_1000baseT_Full)
1530 new_adv |= ADVERTISE_1000XFULL;
1531
1532 new_adv |= bnx2_phy_get_pause_adv(bp);
1533
1534 bnx2_read_phy(bp, bp->mii_adv, &adv);
1535 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1536
1537 bp->serdes_an_pending = 0;
1538 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1539 /* Force a link down visible on the other side */
1540 if (bp->link_up) {
1541 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1542 spin_unlock_bh(&bp->phy_lock);
1543 msleep(20);
1544 spin_lock_bh(&bp->phy_lock);
1545 }
1546
1547 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1548 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1549 BMCR_ANENABLE);
1550 /* Speed up link-up time when the link partner
1551 * does not autonegotiate which is very common
1552 * in blade servers. Some blade servers use
1553 * IPMI for kerboard input and it's important
1554 * to minimize link disruptions. Autoneg. involves
1555 * exchanging base pages plus 3 next pages and
1556 * normally completes in about 120 msec.
1557 */
1558 bp->current_interval = SERDES_AN_TIMEOUT;
1559 bp->serdes_an_pending = 1;
1560 mod_timer(&bp->timer, jiffies + bp->current_interval);
1561 } else {
1562 bnx2_resolve_flow_ctrl(bp);
1563 bnx2_set_mac_link(bp);
1564 }
1565
1566 return 0;
1567 }
1568
1569 #define ETHTOOL_ALL_FIBRE_SPEED \
1570 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
1571 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1572 (ADVERTISED_1000baseT_Full)
1573
1574 #define ETHTOOL_ALL_COPPER_SPEED \
1575 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1576 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1577 ADVERTISED_1000baseT_Full)
1578
1579 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1580 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1581
1582 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1583
1584 static void
1585 bnx2_set_default_remote_link(struct bnx2 *bp)
1586 {
1587 u32 link;
1588
1589 if (bp->phy_port == PORT_TP)
1590 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1591 else
1592 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1593
1594 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1595 bp->req_line_speed = 0;
1596 bp->autoneg |= AUTONEG_SPEED;
1597 bp->advertising = ADVERTISED_Autoneg;
1598 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1599 bp->advertising |= ADVERTISED_10baseT_Half;
1600 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1601 bp->advertising |= ADVERTISED_10baseT_Full;
1602 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1603 bp->advertising |= ADVERTISED_100baseT_Half;
1604 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1605 bp->advertising |= ADVERTISED_100baseT_Full;
1606 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1607 bp->advertising |= ADVERTISED_1000baseT_Full;
1608 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1609 bp->advertising |= ADVERTISED_2500baseX_Full;
1610 } else {
1611 bp->autoneg = 0;
1612 bp->advertising = 0;
1613 bp->req_duplex = DUPLEX_FULL;
1614 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1615 bp->req_line_speed = SPEED_10;
1616 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1617 bp->req_duplex = DUPLEX_HALF;
1618 }
1619 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1620 bp->req_line_speed = SPEED_100;
1621 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1622 bp->req_duplex = DUPLEX_HALF;
1623 }
1624 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1625 bp->req_line_speed = SPEED_1000;
1626 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1627 bp->req_line_speed = SPEED_2500;
1628 }
1629 }
1630
1631 static void
1632 bnx2_set_default_link(struct bnx2 *bp)
1633 {
1634 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1635 bnx2_set_default_remote_link(bp);
1636 return;
1637 }
1638
1639 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1640 bp->req_line_speed = 0;
1641 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1642 u32 reg;
1643
1644 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1645
1646 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1647 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1648 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1649 bp->autoneg = 0;
1650 bp->req_line_speed = bp->line_speed = SPEED_1000;
1651 bp->req_duplex = DUPLEX_FULL;
1652 }
1653 } else
1654 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1655 }
1656
1657 static void
1658 bnx2_send_heart_beat(struct bnx2 *bp)
1659 {
1660 u32 msg;
1661 u32 addr;
1662
1663 spin_lock(&bp->indirect_lock);
1664 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1665 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1666 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1667 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1668 spin_unlock(&bp->indirect_lock);
1669 }
1670
1671 static void
1672 bnx2_remote_phy_event(struct bnx2 *bp)
1673 {
1674 u32 msg;
1675 u8 link_up = bp->link_up;
1676 u8 old_port;
1677
1678 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1679
1680 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1681 bnx2_send_heart_beat(bp);
1682
1683 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1684
1685 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1686 bp->link_up = 0;
1687 else {
1688 u32 speed;
1689
1690 bp->link_up = 1;
1691 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1692 bp->duplex = DUPLEX_FULL;
1693 switch (speed) {
1694 case BNX2_LINK_STATUS_10HALF:
1695 bp->duplex = DUPLEX_HALF;
1696 case BNX2_LINK_STATUS_10FULL:
1697 bp->line_speed = SPEED_10;
1698 break;
1699 case BNX2_LINK_STATUS_100HALF:
1700 bp->duplex = DUPLEX_HALF;
1701 case BNX2_LINK_STATUS_100BASE_T4:
1702 case BNX2_LINK_STATUS_100FULL:
1703 bp->line_speed = SPEED_100;
1704 break;
1705 case BNX2_LINK_STATUS_1000HALF:
1706 bp->duplex = DUPLEX_HALF;
1707 case BNX2_LINK_STATUS_1000FULL:
1708 bp->line_speed = SPEED_1000;
1709 break;
1710 case BNX2_LINK_STATUS_2500HALF:
1711 bp->duplex = DUPLEX_HALF;
1712 case BNX2_LINK_STATUS_2500FULL:
1713 bp->line_speed = SPEED_2500;
1714 break;
1715 default:
1716 bp->line_speed = 0;
1717 break;
1718 }
1719
1720 bp->flow_ctrl = 0;
1721 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1722 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1723 if (bp->duplex == DUPLEX_FULL)
1724 bp->flow_ctrl = bp->req_flow_ctrl;
1725 } else {
1726 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1727 bp->flow_ctrl |= FLOW_CTRL_TX;
1728 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1729 bp->flow_ctrl |= FLOW_CTRL_RX;
1730 }
1731
1732 old_port = bp->phy_port;
1733 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1734 bp->phy_port = PORT_FIBRE;
1735 else
1736 bp->phy_port = PORT_TP;
1737
1738 if (old_port != bp->phy_port)
1739 bnx2_set_default_link(bp);
1740
1741 }
1742 if (bp->link_up != link_up)
1743 bnx2_report_link(bp);
1744
1745 bnx2_set_mac_link(bp);
1746 }
1747
1748 static int
1749 bnx2_set_remote_link(struct bnx2 *bp)
1750 {
1751 u32 evt_code;
1752
1753 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1754 switch (evt_code) {
1755 case BNX2_FW_EVT_CODE_LINK_EVENT:
1756 bnx2_remote_phy_event(bp);
1757 break;
1758 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1759 default:
1760 bnx2_send_heart_beat(bp);
1761 break;
1762 }
1763 return 0;
1764 }
1765
1766 static int
1767 bnx2_setup_copper_phy(struct bnx2 *bp)
1768 {
1769 u32 bmcr;
1770 u32 new_bmcr;
1771
1772 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1773
1774 if (bp->autoneg & AUTONEG_SPEED) {
1775 u32 adv_reg, adv1000_reg;
1776 u32 new_adv_reg = 0;
1777 u32 new_adv1000_reg = 0;
1778
1779 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1780 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1781 ADVERTISE_PAUSE_ASYM);
1782
1783 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1784 adv1000_reg &= PHY_ALL_1000_SPEED;
1785
1786 if (bp->advertising & ADVERTISED_10baseT_Half)
1787 new_adv_reg |= ADVERTISE_10HALF;
1788 if (bp->advertising & ADVERTISED_10baseT_Full)
1789 new_adv_reg |= ADVERTISE_10FULL;
1790 if (bp->advertising & ADVERTISED_100baseT_Half)
1791 new_adv_reg |= ADVERTISE_100HALF;
1792 if (bp->advertising & ADVERTISED_100baseT_Full)
1793 new_adv_reg |= ADVERTISE_100FULL;
1794 if (bp->advertising & ADVERTISED_1000baseT_Full)
1795 new_adv1000_reg |= ADVERTISE_1000FULL;
1796
1797 new_adv_reg |= ADVERTISE_CSMA;
1798
1799 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1800
1801 if ((adv1000_reg != new_adv1000_reg) ||
1802 (adv_reg != new_adv_reg) ||
1803 ((bmcr & BMCR_ANENABLE) == 0)) {
1804
1805 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1806 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1807 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1808 BMCR_ANENABLE);
1809 }
1810 else if (bp->link_up) {
1811 /* Flow ctrl may have changed from auto to forced */
1812 /* or vice-versa. */
1813
1814 bnx2_resolve_flow_ctrl(bp);
1815 bnx2_set_mac_link(bp);
1816 }
1817 return 0;
1818 }
1819
1820 new_bmcr = 0;
1821 if (bp->req_line_speed == SPEED_100) {
1822 new_bmcr |= BMCR_SPEED100;
1823 }
1824 if (bp->req_duplex == DUPLEX_FULL) {
1825 new_bmcr |= BMCR_FULLDPLX;
1826 }
1827 if (new_bmcr != bmcr) {
1828 u32 bmsr;
1829
1830 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1831 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1832
1833 if (bmsr & BMSR_LSTATUS) {
1834 /* Force link down */
1835 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1836 spin_unlock_bh(&bp->phy_lock);
1837 msleep(50);
1838 spin_lock_bh(&bp->phy_lock);
1839
1840 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1841 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1842 }
1843
1844 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1845
1846 /* Normally, the new speed is setup after the link has
1847 * gone down and up again. In some cases, link will not go
1848 * down so we need to set up the new speed here.
1849 */
1850 if (bmsr & BMSR_LSTATUS) {
1851 bp->line_speed = bp->req_line_speed;
1852 bp->duplex = bp->req_duplex;
1853 bnx2_resolve_flow_ctrl(bp);
1854 bnx2_set_mac_link(bp);
1855 }
1856 } else {
1857 bnx2_resolve_flow_ctrl(bp);
1858 bnx2_set_mac_link(bp);
1859 }
1860 return 0;
1861 }
1862
1863 static int
1864 bnx2_setup_phy(struct bnx2 *bp, u8 port)
1865 {
1866 if (bp->loopback == MAC_LOOPBACK)
1867 return 0;
1868
1869 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1870 return (bnx2_setup_serdes_phy(bp, port));
1871 }
1872 else {
1873 return (bnx2_setup_copper_phy(bp));
1874 }
1875 }
1876
1877 static int
1878 bnx2_init_5709s_phy(struct bnx2 *bp)
1879 {
1880 u32 val;
1881
1882 bp->mii_bmcr = MII_BMCR + 0x10;
1883 bp->mii_bmsr = MII_BMSR + 0x10;
1884 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1885 bp->mii_adv = MII_ADVERTISE + 0x10;
1886 bp->mii_lpa = MII_LPA + 0x10;
1887 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1888
1889 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1890 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1891
1892 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1893 bnx2_reset_phy(bp);
1894
1895 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1896
1897 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1898 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1899 val |= MII_BNX2_SD_1000XCTL1_FIBER;
1900 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1901
1902 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1903 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
1904 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
1905 val |= BCM5708S_UP1_2G5;
1906 else
1907 val &= ~BCM5708S_UP1_2G5;
1908 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
1909
1910 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
1911 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
1912 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
1913 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
1914
1915 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
1916
1917 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
1918 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
1919 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
1920
1921 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1922
1923 return 0;
1924 }
1925
1926 static int
1927 bnx2_init_5708s_phy(struct bnx2 *bp)
1928 {
1929 u32 val;
1930
1931 bnx2_reset_phy(bp);
1932
1933 bp->mii_up1 = BCM5708S_UP1;
1934
1935 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1936 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1937 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1938
1939 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1940 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1941 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1942
1943 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1944 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1945 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1946
1947 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
1948 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1949 val |= BCM5708S_UP1_2G5;
1950 bnx2_write_phy(bp, BCM5708S_UP1, val);
1951 }
1952
1953 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
1954 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1955 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
1956 /* increase tx signal amplitude */
1957 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1958 BCM5708S_BLK_ADDR_TX_MISC);
1959 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1960 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1961 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1962 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1963 }
1964
1965 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
1966 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1967
1968 if (val) {
1969 u32 is_backplane;
1970
1971 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
1972 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1973 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1974 BCM5708S_BLK_ADDR_TX_MISC);
1975 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1976 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1977 BCM5708S_BLK_ADDR_DIG);
1978 }
1979 }
1980 return 0;
1981 }
1982
1983 static int
1984 bnx2_init_5706s_phy(struct bnx2 *bp)
1985 {
1986 bnx2_reset_phy(bp);
1987
1988 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1989
1990 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1991 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1992
1993 if (bp->dev->mtu > 1500) {
1994 u32 val;
1995
1996 /* Set extended packet length bit */
1997 bnx2_write_phy(bp, 0x18, 0x7);
1998 bnx2_read_phy(bp, 0x18, &val);
1999 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2000
2001 bnx2_write_phy(bp, 0x1c, 0x6c00);
2002 bnx2_read_phy(bp, 0x1c, &val);
2003 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2004 }
2005 else {
2006 u32 val;
2007
2008 bnx2_write_phy(bp, 0x18, 0x7);
2009 bnx2_read_phy(bp, 0x18, &val);
2010 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2011
2012 bnx2_write_phy(bp, 0x1c, 0x6c00);
2013 bnx2_read_phy(bp, 0x1c, &val);
2014 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2015 }
2016
2017 return 0;
2018 }
2019
2020 static int
2021 bnx2_init_copper_phy(struct bnx2 *bp)
2022 {
2023 u32 val;
2024
2025 bnx2_reset_phy(bp);
2026
2027 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2028 bnx2_write_phy(bp, 0x18, 0x0c00);
2029 bnx2_write_phy(bp, 0x17, 0x000a);
2030 bnx2_write_phy(bp, 0x15, 0x310b);
2031 bnx2_write_phy(bp, 0x17, 0x201f);
2032 bnx2_write_phy(bp, 0x15, 0x9506);
2033 bnx2_write_phy(bp, 0x17, 0x401f);
2034 bnx2_write_phy(bp, 0x15, 0x14e2);
2035 bnx2_write_phy(bp, 0x18, 0x0400);
2036 }
2037
2038 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2039 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2040 MII_BNX2_DSP_EXPAND_REG | 0x8);
2041 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2042 val &= ~(1 << 8);
2043 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2044 }
2045
2046 if (bp->dev->mtu > 1500) {
2047 /* Set extended packet length bit */
2048 bnx2_write_phy(bp, 0x18, 0x7);
2049 bnx2_read_phy(bp, 0x18, &val);
2050 bnx2_write_phy(bp, 0x18, val | 0x4000);
2051
2052 bnx2_read_phy(bp, 0x10, &val);
2053 bnx2_write_phy(bp, 0x10, val | 0x1);
2054 }
2055 else {
2056 bnx2_write_phy(bp, 0x18, 0x7);
2057 bnx2_read_phy(bp, 0x18, &val);
2058 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2059
2060 bnx2_read_phy(bp, 0x10, &val);
2061 bnx2_write_phy(bp, 0x10, val & ~0x1);
2062 }
2063
2064 /* ethernet@wirespeed */
2065 bnx2_write_phy(bp, 0x18, 0x7007);
2066 bnx2_read_phy(bp, 0x18, &val);
2067 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2068 return 0;
2069 }
2070
2071
2072 static int
2073 bnx2_init_phy(struct bnx2 *bp)
2074 {
2075 u32 val;
2076 int rc = 0;
2077
2078 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2079 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2080
2081 bp->mii_bmcr = MII_BMCR;
2082 bp->mii_bmsr = MII_BMSR;
2083 bp->mii_bmsr1 = MII_BMSR;
2084 bp->mii_adv = MII_ADVERTISE;
2085 bp->mii_lpa = MII_LPA;
2086
2087 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2088
2089 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2090 goto setup_phy;
2091
2092 bnx2_read_phy(bp, MII_PHYSID1, &val);
2093 bp->phy_id = val << 16;
2094 bnx2_read_phy(bp, MII_PHYSID2, &val);
2095 bp->phy_id |= val & 0xffff;
2096
2097 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2098 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2099 rc = bnx2_init_5706s_phy(bp);
2100 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2101 rc = bnx2_init_5708s_phy(bp);
2102 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2103 rc = bnx2_init_5709s_phy(bp);
2104 }
2105 else {
2106 rc = bnx2_init_copper_phy(bp);
2107 }
2108
2109 setup_phy:
2110 if (!rc)
2111 rc = bnx2_setup_phy(bp, bp->phy_port);
2112
2113 return rc;
2114 }
2115
2116 static int
2117 bnx2_set_mac_loopback(struct bnx2 *bp)
2118 {
2119 u32 mac_mode;
2120
2121 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2122 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2123 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2124 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2125 bp->link_up = 1;
2126 return 0;
2127 }
2128
2129 static int bnx2_test_link(struct bnx2 *);
2130
2131 static int
2132 bnx2_set_phy_loopback(struct bnx2 *bp)
2133 {
2134 u32 mac_mode;
2135 int rc, i;
2136
2137 spin_lock_bh(&bp->phy_lock);
2138 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2139 BMCR_SPEED1000);
2140 spin_unlock_bh(&bp->phy_lock);
2141 if (rc)
2142 return rc;
2143
2144 for (i = 0; i < 10; i++) {
2145 if (bnx2_test_link(bp) == 0)
2146 break;
2147 msleep(100);
2148 }
2149
2150 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2151 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2152 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2153 BNX2_EMAC_MODE_25G_MODE);
2154
2155 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2156 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2157 bp->link_up = 1;
2158 return 0;
2159 }
2160
2161 static int
2162 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
2163 {
2164 int i;
2165 u32 val;
2166
2167 bp->fw_wr_seq++;
2168 msg_data |= bp->fw_wr_seq;
2169
2170 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2171
2172 /* wait for an acknowledgement. */
2173 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2174 msleep(10);
2175
2176 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2177
2178 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2179 break;
2180 }
2181 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2182 return 0;
2183
2184 /* If we timed out, inform the firmware that this is the case. */
2185 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2186 if (!silent)
2187 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2188 "%x\n", msg_data);
2189
2190 msg_data &= ~BNX2_DRV_MSG_CODE;
2191 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2192
2193 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2194
2195 return -EBUSY;
2196 }
2197
2198 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2199 return -EIO;
2200
2201 return 0;
2202 }
2203
2204 static int
2205 bnx2_init_5709_context(struct bnx2 *bp)
2206 {
2207 int i, ret = 0;
2208 u32 val;
2209
2210 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2211 val |= (BCM_PAGE_BITS - 8) << 16;
2212 REG_WR(bp, BNX2_CTX_COMMAND, val);
2213 for (i = 0; i < 10; i++) {
2214 val = REG_RD(bp, BNX2_CTX_COMMAND);
2215 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2216 break;
2217 udelay(2);
2218 }
2219 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2220 return -EBUSY;
2221
2222 for (i = 0; i < bp->ctx_pages; i++) {
2223 int j;
2224
2225 if (bp->ctx_blk[i])
2226 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2227 else
2228 return -ENOMEM;
2229
2230 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2231 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2232 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2233 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2234 (u64) bp->ctx_blk_mapping[i] >> 32);
2235 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2236 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2237 for (j = 0; j < 10; j++) {
2238
2239 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2240 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2241 break;
2242 udelay(5);
2243 }
2244 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2245 ret = -EBUSY;
2246 break;
2247 }
2248 }
2249 return ret;
2250 }
2251
2252 static void
2253 bnx2_init_context(struct bnx2 *bp)
2254 {
2255 u32 vcid;
2256
2257 vcid = 96;
2258 while (vcid) {
2259 u32 vcid_addr, pcid_addr, offset;
2260 int i;
2261
2262 vcid--;
2263
2264 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2265 u32 new_vcid;
2266
2267 vcid_addr = GET_PCID_ADDR(vcid);
2268 if (vcid & 0x8) {
2269 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2270 }
2271 else {
2272 new_vcid = vcid;
2273 }
2274 pcid_addr = GET_PCID_ADDR(new_vcid);
2275 }
2276 else {
2277 vcid_addr = GET_CID_ADDR(vcid);
2278 pcid_addr = vcid_addr;
2279 }
2280
2281 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2282 vcid_addr += (i << PHY_CTX_SHIFT);
2283 pcid_addr += (i << PHY_CTX_SHIFT);
2284
2285 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2286 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2287
2288 /* Zero out the context. */
2289 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2290 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2291 }
2292 }
2293 }
2294
2295 static int
2296 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2297 {
2298 u16 *good_mbuf;
2299 u32 good_mbuf_cnt;
2300 u32 val;
2301
2302 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2303 if (good_mbuf == NULL) {
2304 printk(KERN_ERR PFX "Failed to allocate memory in "
2305 "bnx2_alloc_bad_rbuf\n");
2306 return -ENOMEM;
2307 }
2308
2309 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2310 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2311
2312 good_mbuf_cnt = 0;
2313
2314 /* Allocate a bunch of mbufs and save the good ones in an array. */
2315 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2316 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2317 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2318 BNX2_RBUF_COMMAND_ALLOC_REQ);
2319
2320 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2321
2322 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2323
2324 /* The addresses with Bit 9 set are bad memory blocks. */
2325 if (!(val & (1 << 9))) {
2326 good_mbuf[good_mbuf_cnt] = (u16) val;
2327 good_mbuf_cnt++;
2328 }
2329
2330 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2331 }
2332
2333 /* Free the good ones back to the mbuf pool thus discarding
2334 * all the bad ones. */
2335 while (good_mbuf_cnt) {
2336 good_mbuf_cnt--;
2337
2338 val = good_mbuf[good_mbuf_cnt];
2339 val = (val << 9) | val | 1;
2340
2341 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2342 }
2343 kfree(good_mbuf);
2344 return 0;
2345 }
2346
2347 static void
2348 bnx2_set_mac_addr(struct bnx2 *bp)
2349 {
2350 u32 val;
2351 u8 *mac_addr = bp->dev->dev_addr;
2352
2353 val = (mac_addr[0] << 8) | mac_addr[1];
2354
2355 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2356
2357 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2358 (mac_addr[4] << 8) | mac_addr[5];
2359
2360 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2361 }
2362
2363 static inline int
2364 bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
2365 {
2366 dma_addr_t mapping;
2367 struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2368 struct rx_bd *rxbd =
2369 &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2370 struct page *page = alloc_page(GFP_ATOMIC);
2371
2372 if (!page)
2373 return -ENOMEM;
2374 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2375 PCI_DMA_FROMDEVICE);
2376 rx_pg->page = page;
2377 pci_unmap_addr_set(rx_pg, mapping, mapping);
2378 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2379 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2380 return 0;
2381 }
2382
2383 static void
2384 bnx2_free_rx_page(struct bnx2 *bp, u16 index)
2385 {
2386 struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2387 struct page *page = rx_pg->page;
2388
2389 if (!page)
2390 return;
2391
2392 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2393 PCI_DMA_FROMDEVICE);
2394
2395 __free_page(page);
2396 rx_pg->page = NULL;
2397 }
2398
2399 static inline int
2400 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
2401 {
2402 struct sk_buff *skb;
2403 struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
2404 dma_addr_t mapping;
2405 struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2406 unsigned long align;
2407
2408 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2409 if (skb == NULL) {
2410 return -ENOMEM;
2411 }
2412
2413 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2414 skb_reserve(skb, BNX2_RX_ALIGN - align);
2415
2416 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2417 PCI_DMA_FROMDEVICE);
2418
2419 rx_buf->skb = skb;
2420 pci_unmap_addr_set(rx_buf, mapping, mapping);
2421
2422 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2423 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2424
2425 bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2426
2427 return 0;
2428 }
2429
2430 static int
2431 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2432 {
2433 struct status_block *sblk = bnapi->status_blk;
2434 u32 new_link_state, old_link_state;
2435 int is_set = 1;
2436
2437 new_link_state = sblk->status_attn_bits & event;
2438 old_link_state = sblk->status_attn_bits_ack & event;
2439 if (new_link_state != old_link_state) {
2440 if (new_link_state)
2441 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2442 else
2443 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2444 } else
2445 is_set = 0;
2446
2447 return is_set;
2448 }
2449
2450 static void
2451 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2452 {
2453 spin_lock(&bp->phy_lock);
2454
2455 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2456 bnx2_set_link(bp);
2457 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2458 bnx2_set_remote_link(bp);
2459
2460 spin_unlock(&bp->phy_lock);
2461
2462 }
2463
2464 static inline u16
2465 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2466 {
2467 u16 cons;
2468
2469 if (bnapi->int_num == 0)
2470 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
2471 else
2472 cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
2473
2474 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2475 cons++;
2476 return cons;
2477 }
2478
2479 static int
2480 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2481 {
2482 u16 hw_cons, sw_cons, sw_ring_cons;
2483 int tx_pkt = 0;
2484
2485 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2486 sw_cons = bnapi->tx_cons;
2487
2488 while (sw_cons != hw_cons) {
2489 struct sw_bd *tx_buf;
2490 struct sk_buff *skb;
2491 int i, last;
2492
2493 sw_ring_cons = TX_RING_IDX(sw_cons);
2494
2495 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2496 skb = tx_buf->skb;
2497
2498 /* partial BD completions possible with TSO packets */
2499 if (skb_is_gso(skb)) {
2500 u16 last_idx, last_ring_idx;
2501
2502 last_idx = sw_cons +
2503 skb_shinfo(skb)->nr_frags + 1;
2504 last_ring_idx = sw_ring_cons +
2505 skb_shinfo(skb)->nr_frags + 1;
2506 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2507 last_idx++;
2508 }
2509 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2510 break;
2511 }
2512 }
2513
2514 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2515 skb_headlen(skb), PCI_DMA_TODEVICE);
2516
2517 tx_buf->skb = NULL;
2518 last = skb_shinfo(skb)->nr_frags;
2519
2520 for (i = 0; i < last; i++) {
2521 sw_cons = NEXT_TX_BD(sw_cons);
2522
2523 pci_unmap_page(bp->pdev,
2524 pci_unmap_addr(
2525 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2526 mapping),
2527 skb_shinfo(skb)->frags[i].size,
2528 PCI_DMA_TODEVICE);
2529 }
2530
2531 sw_cons = NEXT_TX_BD(sw_cons);
2532
2533 dev_kfree_skb(skb);
2534 tx_pkt++;
2535 if (tx_pkt == budget)
2536 break;
2537
2538 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2539 }
2540
2541 bnapi->hw_tx_cons = hw_cons;
2542 bnapi->tx_cons = sw_cons;
2543 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2544 * before checking for netif_queue_stopped(). Without the
2545 * memory barrier, there is a small possibility that bnx2_start_xmit()
2546 * will miss it and cause the queue to be stopped forever.
2547 */
2548 smp_mb();
2549
2550 if (unlikely(netif_queue_stopped(bp->dev)) &&
2551 (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
2552 netif_tx_lock(bp->dev);
2553 if ((netif_queue_stopped(bp->dev)) &&
2554 (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
2555 netif_wake_queue(bp->dev);
2556 netif_tx_unlock(bp->dev);
2557 }
2558 return tx_pkt;
2559 }
2560
2561 static void
2562 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
2563 struct sk_buff *skb, int count)
2564 {
2565 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2566 struct rx_bd *cons_bd, *prod_bd;
2567 dma_addr_t mapping;
2568 int i;
2569 u16 hw_prod = bnapi->rx_pg_prod, prod;
2570 u16 cons = bnapi->rx_pg_cons;
2571
2572 for (i = 0; i < count; i++) {
2573 prod = RX_PG_RING_IDX(hw_prod);
2574
2575 prod_rx_pg = &bp->rx_pg_ring[prod];
2576 cons_rx_pg = &bp->rx_pg_ring[cons];
2577 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2578 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2579
2580 if (i == 0 && skb) {
2581 struct page *page;
2582 struct skb_shared_info *shinfo;
2583
2584 shinfo = skb_shinfo(skb);
2585 shinfo->nr_frags--;
2586 page = shinfo->frags[shinfo->nr_frags].page;
2587 shinfo->frags[shinfo->nr_frags].page = NULL;
2588 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2589 PCI_DMA_FROMDEVICE);
2590 cons_rx_pg->page = page;
2591 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2592 dev_kfree_skb(skb);
2593 }
2594 if (prod != cons) {
2595 prod_rx_pg->page = cons_rx_pg->page;
2596 cons_rx_pg->page = NULL;
2597 pci_unmap_addr_set(prod_rx_pg, mapping,
2598 pci_unmap_addr(cons_rx_pg, mapping));
2599
2600 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2601 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2602
2603 }
2604 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2605 hw_prod = NEXT_RX_BD(hw_prod);
2606 }
2607 bnapi->rx_pg_prod = hw_prod;
2608 bnapi->rx_pg_cons = cons;
2609 }
2610
2611 static inline void
2612 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2613 u16 cons, u16 prod)
2614 {
2615 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2616 struct rx_bd *cons_bd, *prod_bd;
2617
2618 cons_rx_buf = &bp->rx_buf_ring[cons];
2619 prod_rx_buf = &bp->rx_buf_ring[prod];
2620
2621 pci_dma_sync_single_for_device(bp->pdev,
2622 pci_unmap_addr(cons_rx_buf, mapping),
2623 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2624
2625 bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2626
2627 prod_rx_buf->skb = skb;
2628
2629 if (cons == prod)
2630 return;
2631
2632 pci_unmap_addr_set(prod_rx_buf, mapping,
2633 pci_unmap_addr(cons_rx_buf, mapping));
2634
2635 cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2636 prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2637 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2638 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2639 }
2640
2641 static int
2642 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2643 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2644 u32 ring_idx)
2645 {
2646 int err;
2647 u16 prod = ring_idx & 0xffff;
2648
2649 err = bnx2_alloc_rx_skb(bp, bnapi, prod);
2650 if (unlikely(err)) {
2651 bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
2652 if (hdr_len) {
2653 unsigned int raw_len = len + 4;
2654 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2655
2656 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
2657 }
2658 return err;
2659 }
2660
2661 skb_reserve(skb, bp->rx_offset);
2662 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2663 PCI_DMA_FROMDEVICE);
2664
2665 if (hdr_len == 0) {
2666 skb_put(skb, len);
2667 return 0;
2668 } else {
2669 unsigned int i, frag_len, frag_size, pages;
2670 struct sw_pg *rx_pg;
2671 u16 pg_cons = bnapi->rx_pg_cons;
2672 u16 pg_prod = bnapi->rx_pg_prod;
2673
2674 frag_size = len + 4 - hdr_len;
2675 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2676 skb_put(skb, hdr_len);
2677
2678 for (i = 0; i < pages; i++) {
2679 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2680 if (unlikely(frag_len <= 4)) {
2681 unsigned int tail = 4 - frag_len;
2682
2683 bnapi->rx_pg_cons = pg_cons;
2684 bnapi->rx_pg_prod = pg_prod;
2685 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
2686 pages - i);
2687 skb->len -= tail;
2688 if (i == 0) {
2689 skb->tail -= tail;
2690 } else {
2691 skb_frag_t *frag =
2692 &skb_shinfo(skb)->frags[i - 1];
2693 frag->size -= tail;
2694 skb->data_len -= tail;
2695 skb->truesize -= tail;
2696 }
2697 return 0;
2698 }
2699 rx_pg = &bp->rx_pg_ring[pg_cons];
2700
2701 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2702 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2703
2704 if (i == pages - 1)
2705 frag_len -= 4;
2706
2707 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2708 rx_pg->page = NULL;
2709
2710 err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2711 if (unlikely(err)) {
2712 bnapi->rx_pg_cons = pg_cons;
2713 bnapi->rx_pg_prod = pg_prod;
2714 bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
2715 pages - i);
2716 return err;
2717 }
2718
2719 frag_size -= frag_len;
2720 skb->data_len += frag_len;
2721 skb->truesize += frag_len;
2722 skb->len += frag_len;
2723
2724 pg_prod = NEXT_RX_BD(pg_prod);
2725 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2726 }
2727 bnapi->rx_pg_prod = pg_prod;
2728 bnapi->rx_pg_cons = pg_cons;
2729 }
2730 return 0;
2731 }
2732
2733 static inline u16
2734 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2735 {
2736 u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
2737
2738 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2739 cons++;
2740 return cons;
2741 }
2742
2743 static int
2744 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2745 {
2746 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2747 struct l2_fhdr *rx_hdr;
2748 int rx_pkt = 0, pg_ring_used = 0;
2749
2750 hw_cons = bnx2_get_hw_rx_cons(bnapi);
2751 sw_cons = bnapi->rx_cons;
2752 sw_prod = bnapi->rx_prod;
2753
2754 /* Memory barrier necessary as speculative reads of the rx
2755 * buffer can be ahead of the index in the status block
2756 */
2757 rmb();
2758 while (sw_cons != hw_cons) {
2759 unsigned int len, hdr_len;
2760 u32 status;
2761 struct sw_bd *rx_buf;
2762 struct sk_buff *skb;
2763 dma_addr_t dma_addr;
2764
2765 sw_ring_cons = RX_RING_IDX(sw_cons);
2766 sw_ring_prod = RX_RING_IDX(sw_prod);
2767
2768 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2769 skb = rx_buf->skb;
2770
2771 rx_buf->skb = NULL;
2772
2773 dma_addr = pci_unmap_addr(rx_buf, mapping);
2774
2775 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2776 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2777
2778 rx_hdr = (struct l2_fhdr *) skb->data;
2779 len = rx_hdr->l2_fhdr_pkt_len;
2780
2781 if ((status = rx_hdr->l2_fhdr_status) &
2782 (L2_FHDR_ERRORS_BAD_CRC |
2783 L2_FHDR_ERRORS_PHY_DECODE |
2784 L2_FHDR_ERRORS_ALIGNMENT |
2785 L2_FHDR_ERRORS_TOO_SHORT |
2786 L2_FHDR_ERRORS_GIANT_FRAME)) {
2787
2788 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2789 sw_ring_prod);
2790 goto next_rx;
2791 }
2792 hdr_len = 0;
2793 if (status & L2_FHDR_STATUS_SPLIT) {
2794 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2795 pg_ring_used = 1;
2796 } else if (len > bp->rx_jumbo_thresh) {
2797 hdr_len = bp->rx_jumbo_thresh;
2798 pg_ring_used = 1;
2799 }
2800
2801 len -= 4;
2802
2803 if (len <= bp->rx_copy_thresh) {
2804 struct sk_buff *new_skb;
2805
2806 new_skb = netdev_alloc_skb(bp->dev, len + 2);
2807 if (new_skb == NULL) {
2808 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2809 sw_ring_prod);
2810 goto next_rx;
2811 }
2812
2813 /* aligned copy */
2814 skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2815 new_skb->data, len + 2);
2816 skb_reserve(new_skb, 2);
2817 skb_put(new_skb, len);
2818
2819 bnx2_reuse_rx_skb(bp, bnapi, skb,
2820 sw_ring_cons, sw_ring_prod);
2821
2822 skb = new_skb;
2823 } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
2824 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2825 goto next_rx;
2826
2827 skb->protocol = eth_type_trans(skb, bp->dev);
2828
2829 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2830 (ntohs(skb->protocol) != 0x8100)) {
2831
2832 dev_kfree_skb(skb);
2833 goto next_rx;
2834
2835 }
2836
2837 skb->ip_summed = CHECKSUM_NONE;
2838 if (bp->rx_csum &&
2839 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2840 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2841
2842 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2843 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2844 skb->ip_summed = CHECKSUM_UNNECESSARY;
2845 }
2846
2847 #ifdef BCM_VLAN
2848 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
2849 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2850 rx_hdr->l2_fhdr_vlan_tag);
2851 }
2852 else
2853 #endif
2854 netif_receive_skb(skb);
2855
2856 bp->dev->last_rx = jiffies;
2857 rx_pkt++;
2858
2859 next_rx:
2860 sw_cons = NEXT_RX_BD(sw_cons);
2861 sw_prod = NEXT_RX_BD(sw_prod);
2862
2863 if ((rx_pkt == budget))
2864 break;
2865
2866 /* Refresh hw_cons to see if there is new work */
2867 if (sw_cons == hw_cons) {
2868 hw_cons = bnx2_get_hw_rx_cons(bnapi);
2869 rmb();
2870 }
2871 }
2872 bnapi->rx_cons = sw_cons;
2873 bnapi->rx_prod = sw_prod;
2874
2875 if (pg_ring_used)
2876 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2877 bnapi->rx_pg_prod);
2878
2879 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2880
2881 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
2882
2883 mmiowb();
2884
2885 return rx_pkt;
2886
2887 }
2888
2889 /* MSI ISR - The only difference between this and the INTx ISR
2890 * is that the MSI interrupt is always serviced.
2891 */
2892 static irqreturn_t
2893 bnx2_msi(int irq, void *dev_instance)
2894 {
2895 struct net_device *dev = dev_instance;
2896 struct bnx2 *bp = netdev_priv(dev);
2897 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2898
2899 prefetch(bnapi->status_blk);
2900 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2901 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2902 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2903
2904 /* Return here if interrupt is disabled. */
2905 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2906 return IRQ_HANDLED;
2907
2908 netif_rx_schedule(dev, &bnapi->napi);
2909
2910 return IRQ_HANDLED;
2911 }
2912
2913 static irqreturn_t
2914 bnx2_msi_1shot(int irq, void *dev_instance)
2915 {
2916 struct net_device *dev = dev_instance;
2917 struct bnx2 *bp = netdev_priv(dev);
2918 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2919
2920 prefetch(bnapi->status_blk);
2921
2922 /* Return here if interrupt is disabled. */
2923 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2924 return IRQ_HANDLED;
2925
2926 netif_rx_schedule(dev, &bnapi->napi);
2927
2928 return IRQ_HANDLED;
2929 }
2930
2931 static irqreturn_t
2932 bnx2_interrupt(int irq, void *dev_instance)
2933 {
2934 struct net_device *dev = dev_instance;
2935 struct bnx2 *bp = netdev_priv(dev);
2936 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2937 struct status_block *sblk = bnapi->status_blk;
2938
2939 /* When using INTx, it is possible for the interrupt to arrive
2940 * at the CPU before the status block posted prior to the
2941 * interrupt. Reading a register will flush the status block.
2942 * When using MSI, the MSI message will always complete after
2943 * the status block write.
2944 */
2945 if ((sblk->status_idx == bnapi->last_status_idx) &&
2946 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2947 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2948 return IRQ_NONE;
2949
2950 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2951 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2952 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2953
2954 /* Read back to deassert IRQ immediately to avoid too many
2955 * spurious interrupts.
2956 */
2957 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2958
2959 /* Return here if interrupt is shared and is disabled. */
2960 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2961 return IRQ_HANDLED;
2962
2963 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2964 bnapi->last_status_idx = sblk->status_idx;
2965 __netif_rx_schedule(dev, &bnapi->napi);
2966 }
2967
2968 return IRQ_HANDLED;
2969 }
2970
2971 static irqreturn_t
2972 bnx2_tx_msix(int irq, void *dev_instance)
2973 {
2974 struct net_device *dev = dev_instance;
2975 struct bnx2 *bp = netdev_priv(dev);
2976 struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
2977
2978 prefetch(bnapi->status_blk_msix);
2979
2980 /* Return here if interrupt is disabled. */
2981 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2982 return IRQ_HANDLED;
2983
2984 netif_rx_schedule(dev, &bnapi->napi);
2985 return IRQ_HANDLED;
2986 }
2987
2988 #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
2989 STATUS_ATTN_BITS_TIMER_ABORT)
2990
2991 static inline int
2992 bnx2_has_work(struct bnx2_napi *bnapi)
2993 {
2994 struct status_block *sblk = bnapi->status_blk;
2995
2996 if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
2997 (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
2998 return 1;
2999
3000 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3001 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
3002 return 1;
3003
3004 return 0;
3005 }
3006
3007 static int bnx2_tx_poll(struct napi_struct *napi, int budget)
3008 {
3009 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3010 struct bnx2 *bp = bnapi->bp;
3011 int work_done = 0;
3012 struct status_block_msix *sblk = bnapi->status_blk_msix;
3013
3014 do {
3015 work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
3016 if (unlikely(work_done >= budget))
3017 return work_done;
3018
3019 bnapi->last_status_idx = sblk->status_idx;
3020 rmb();
3021 } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
3022
3023 netif_rx_complete(bp->dev, napi);
3024 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3025 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3026 bnapi->last_status_idx);
3027 return work_done;
3028 }
3029
3030 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3031 int work_done, int budget)
3032 {
3033 struct status_block *sblk = bnapi->status_blk;
3034 u32 status_attn_bits = sblk->status_attn_bits;
3035 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3036
3037 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3038 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3039
3040 bnx2_phy_int(bp, bnapi);
3041
3042 /* This is needed to take care of transient status
3043 * during link changes.
3044 */
3045 REG_WR(bp, BNX2_HC_COMMAND,
3046 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3047 REG_RD(bp, BNX2_HC_COMMAND);
3048 }
3049
3050 if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
3051 bnx2_tx_int(bp, bnapi, 0);
3052
3053 if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
3054 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3055
3056 return work_done;
3057 }
3058
3059 static int bnx2_poll(struct napi_struct *napi, int budget)
3060 {
3061 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3062 struct bnx2 *bp = bnapi->bp;
3063 int work_done = 0;
3064 struct status_block *sblk = bnapi->status_blk;
3065
3066 while (1) {
3067 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3068
3069 if (unlikely(work_done >= budget))
3070 break;
3071
3072 /* bnapi->last_status_idx is used below to tell the hw how
3073 * much work has been processed, so we must read it before
3074 * checking for more work.
3075 */
3076 bnapi->last_status_idx = sblk->status_idx;
3077 rmb();
3078 if (likely(!bnx2_has_work(bnapi))) {
3079 netif_rx_complete(bp->dev, napi);
3080 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3081 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3082 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3083 bnapi->last_status_idx);
3084 break;
3085 }
3086 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3087 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3088 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3089 bnapi->last_status_idx);
3090
3091 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3092 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3093 bnapi->last_status_idx);
3094 break;
3095 }
3096 }
3097
3098 return work_done;
3099 }
3100
3101 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3102 * from set_multicast.
3103 */
3104 static void
3105 bnx2_set_rx_mode(struct net_device *dev)
3106 {
3107 struct bnx2 *bp = netdev_priv(dev);
3108 u32 rx_mode, sort_mode;
3109 int i;
3110
3111 spin_lock_bh(&bp->phy_lock);
3112
3113 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3114 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3115 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3116 #ifdef BCM_VLAN
3117 if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
3118 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3119 #else
3120 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
3121 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3122 #endif
3123 if (dev->flags & IFF_PROMISC) {
3124 /* Promiscuous mode. */
3125 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3126 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3127 BNX2_RPM_SORT_USER0_PROM_VLAN;
3128 }
3129 else if (dev->flags & IFF_ALLMULTI) {
3130 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3131 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3132 0xffffffff);
3133 }
3134 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3135 }
3136 else {
3137 /* Accept one or more multicast(s). */
3138 struct dev_mc_list *mclist;
3139 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3140 u32 regidx;
3141 u32 bit;
3142 u32 crc;
3143
3144 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3145
3146 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3147 i++, mclist = mclist->next) {
3148
3149 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3150 bit = crc & 0xff;
3151 regidx = (bit & 0xe0) >> 5;
3152 bit &= 0x1f;
3153 mc_filter[regidx] |= (1 << bit);
3154 }
3155
3156 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3157 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3158 mc_filter[i]);
3159 }
3160
3161 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3162 }
3163
3164 if (rx_mode != bp->rx_mode) {
3165 bp->rx_mode = rx_mode;
3166 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3167 }
3168
3169 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3170 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3171 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3172
3173 spin_unlock_bh(&bp->phy_lock);
3174 }
3175
3176 static void
3177 load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3178 u32 rv2p_proc)
3179 {
3180 int i;
3181 u32 val;
3182
3183 if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3184 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3185 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3186 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3187 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3188 }
3189
3190 for (i = 0; i < rv2p_code_len; i += 8) {
3191 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3192 rv2p_code++;
3193 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3194 rv2p_code++;
3195
3196 if (rv2p_proc == RV2P_PROC1) {
3197 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3198 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3199 }
3200 else {
3201 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3202 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3203 }
3204 }
3205
3206 /* Reset the processor, un-stall is done later. */
3207 if (rv2p_proc == RV2P_PROC1) {
3208 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3209 }
3210 else {
3211 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3212 }
3213 }
3214
3215 static int
3216 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3217 {
3218 u32 offset;
3219 u32 val;
3220 int rc;
3221
3222 /* Halt the CPU. */
3223 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3224 val |= cpu_reg->mode_value_halt;
3225 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3226 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3227
3228 /* Load the Text area. */
3229 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3230 if (fw->gz_text) {
3231 int j;
3232
3233 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3234 fw->gz_text_len);
3235 if (rc < 0)
3236 return rc;
3237
3238 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3239 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3240 }
3241 }
3242
3243 /* Load the Data area. */
3244 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3245 if (fw->data) {
3246 int j;
3247
3248 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3249 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3250 }
3251 }
3252
3253 /* Load the SBSS area. */
3254 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
3255 if (fw->sbss_len) {
3256 int j;
3257
3258 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3259 bnx2_reg_wr_ind(bp, offset, 0);
3260 }
3261 }
3262
3263 /* Load the BSS area. */
3264 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
3265 if (fw->bss_len) {
3266 int j;
3267
3268 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3269 bnx2_reg_wr_ind(bp, offset, 0);
3270 }
3271 }
3272
3273 /* Load the Read-Only area. */
3274 offset = cpu_reg->spad_base +
3275 (fw->rodata_addr - cpu_reg->mips_view_base);
3276 if (fw->rodata) {
3277 int j;
3278
3279 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3280 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3281 }
3282 }
3283
3284 /* Clear the pre-fetch instruction. */
3285 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3286 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3287
3288 /* Start the CPU. */
3289 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3290 val &= ~cpu_reg->mode_value_halt;
3291 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3292 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3293
3294 return 0;
3295 }
3296
3297 static int
3298 bnx2_init_cpus(struct bnx2 *bp)
3299 {
3300 struct cpu_reg cpu_reg;
3301 struct fw_info *fw;
3302 int rc, rv2p_len;
3303 void *text, *rv2p;
3304
3305 /* Initialize the RV2P processor. */
3306 text = vmalloc(FW_BUF_SIZE);
3307 if (!text)
3308 return -ENOMEM;
3309 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3310 rv2p = bnx2_xi_rv2p_proc1;
3311 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3312 } else {
3313 rv2p = bnx2_rv2p_proc1;
3314 rv2p_len = sizeof(bnx2_rv2p_proc1);
3315 }
3316 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3317 if (rc < 0)
3318 goto init_cpu_err;
3319
3320 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3321
3322 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3323 rv2p = bnx2_xi_rv2p_proc2;
3324 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3325 } else {
3326 rv2p = bnx2_rv2p_proc2;
3327 rv2p_len = sizeof(bnx2_rv2p_proc2);
3328 }
3329 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3330 if (rc < 0)
3331 goto init_cpu_err;
3332
3333 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3334
3335 /* Initialize the RX Processor. */
3336 cpu_reg.mode = BNX2_RXP_CPU_MODE;
3337 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3338 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3339 cpu_reg.state = BNX2_RXP_CPU_STATE;
3340 cpu_reg.state_value_clear = 0xffffff;
3341 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3342 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3343 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3344 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3345 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3346 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3347 cpu_reg.mips_view_base = 0x8000000;
3348
3349 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3350 fw = &bnx2_rxp_fw_09;
3351 else
3352 fw = &bnx2_rxp_fw_06;
3353
3354 fw->text = text;
3355 rc = load_cpu_fw(bp, &cpu_reg, fw);
3356 if (rc)
3357 goto init_cpu_err;
3358
3359 /* Initialize the TX Processor. */
3360 cpu_reg.mode = BNX2_TXP_CPU_MODE;
3361 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3362 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3363 cpu_reg.state = BNX2_TXP_CPU_STATE;
3364 cpu_reg.state_value_clear = 0xffffff;
3365 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3366 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3367 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3368 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3369 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3370 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3371 cpu_reg.mips_view_base = 0x8000000;
3372
3373 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3374 fw = &bnx2_txp_fw_09;
3375 else
3376 fw = &bnx2_txp_fw_06;
3377
3378 fw->text = text;
3379 rc = load_cpu_fw(bp, &cpu_reg, fw);
3380 if (rc)
3381 goto init_cpu_err;
3382
3383 /* Initialize the TX Patch-up Processor. */
3384 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3385 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3386 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3387 cpu_reg.state = BNX2_TPAT_CPU_STATE;
3388 cpu_reg.state_value_clear = 0xffffff;
3389 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3390 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3391 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3392 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3393 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3394 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3395 cpu_reg.mips_view_base = 0x8000000;
3396
3397 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3398 fw = &bnx2_tpat_fw_09;
3399 else
3400 fw = &bnx2_tpat_fw_06;
3401
3402 fw->text = text;
3403 rc = load_cpu_fw(bp, &cpu_reg, fw);
3404 if (rc)
3405 goto init_cpu_err;
3406
3407 /* Initialize the Completion Processor. */
3408 cpu_reg.mode = BNX2_COM_CPU_MODE;
3409 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3410 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3411 cpu_reg.state = BNX2_COM_CPU_STATE;
3412 cpu_reg.state_value_clear = 0xffffff;
3413 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3414 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3415 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3416 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3417 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3418 cpu_reg.spad_base = BNX2_COM_SCRATCH;
3419 cpu_reg.mips_view_base = 0x8000000;
3420
3421 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3422 fw = &bnx2_com_fw_09;
3423 else
3424 fw = &bnx2_com_fw_06;
3425
3426 fw->text = text;
3427 rc = load_cpu_fw(bp, &cpu_reg, fw);
3428 if (rc)
3429 goto init_cpu_err;
3430
3431 /* Initialize the Command Processor. */
3432 cpu_reg.mode = BNX2_CP_CPU_MODE;
3433 cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3434 cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3435 cpu_reg.state = BNX2_CP_CPU_STATE;
3436 cpu_reg.state_value_clear = 0xffffff;
3437 cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3438 cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3439 cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3440 cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3441 cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3442 cpu_reg.spad_base = BNX2_CP_SCRATCH;
3443 cpu_reg.mips_view_base = 0x8000000;
3444
3445 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3446 fw = &bnx2_cp_fw_09;
3447 else
3448 fw = &bnx2_cp_fw_06;
3449
3450 fw->text = text;
3451 rc = load_cpu_fw(bp, &cpu_reg, fw);
3452
3453 init_cpu_err:
3454 vfree(text);
3455 return rc;
3456 }
3457
3458 static int
3459 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3460 {
3461 u16 pmcsr;
3462
3463 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3464
3465 switch (state) {
3466 case PCI_D0: {
3467 u32 val;
3468
3469 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3470 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3471 PCI_PM_CTRL_PME_STATUS);
3472
3473 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3474 /* delay required during transition out of D3hot */
3475 msleep(20);
3476
3477 val = REG_RD(bp, BNX2_EMAC_MODE);
3478 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3479 val &= ~BNX2_EMAC_MODE_MPKT;
3480 REG_WR(bp, BNX2_EMAC_MODE, val);
3481
3482 val = REG_RD(bp, BNX2_RPM_CONFIG);
3483 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3484 REG_WR(bp, BNX2_RPM_CONFIG, val);
3485 break;
3486 }
3487 case PCI_D3hot: {
3488 int i;
3489 u32 val, wol_msg;
3490
3491 if (bp->wol) {
3492 u32 advertising;
3493 u8 autoneg;
3494
3495 autoneg = bp->autoneg;
3496 advertising = bp->advertising;
3497
3498 if (bp->phy_port == PORT_TP) {
3499 bp->autoneg = AUTONEG_SPEED;
3500 bp->advertising = ADVERTISED_10baseT_Half |
3501 ADVERTISED_10baseT_Full |
3502 ADVERTISED_100baseT_Half |
3503 ADVERTISED_100baseT_Full |
3504 ADVERTISED_Autoneg;
3505 }
3506
3507 spin_lock_bh(&bp->phy_lock);
3508 bnx2_setup_phy(bp, bp->phy_port);
3509 spin_unlock_bh(&bp->phy_lock);
3510
3511 bp->autoneg = autoneg;
3512 bp->advertising = advertising;
3513
3514 bnx2_set_mac_addr(bp);
3515
3516 val = REG_RD(bp, BNX2_EMAC_MODE);
3517
3518 /* Enable port mode. */
3519 val &= ~BNX2_EMAC_MODE_PORT;
3520 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3521 BNX2_EMAC_MODE_ACPI_RCVD |
3522 BNX2_EMAC_MODE_MPKT;
3523 if (bp->phy_port == PORT_TP)
3524 val |= BNX2_EMAC_MODE_PORT_MII;
3525 else {
3526 val |= BNX2_EMAC_MODE_PORT_GMII;
3527 if (bp->line_speed == SPEED_2500)
3528 val |= BNX2_EMAC_MODE_25G_MODE;
3529 }
3530
3531 REG_WR(bp, BNX2_EMAC_MODE, val);
3532
3533 /* receive all multicast */
3534 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3535 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3536 0xffffffff);
3537 }
3538 REG_WR(bp, BNX2_EMAC_RX_MODE,
3539 BNX2_EMAC_RX_MODE_SORT_MODE);
3540
3541 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3542 BNX2_RPM_SORT_USER0_MC_EN;
3543 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3544 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3545 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3546 BNX2_RPM_SORT_USER0_ENA);
3547
3548 /* Need to enable EMAC and RPM for WOL. */
3549 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3550 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3551 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3552 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3553
3554 val = REG_RD(bp, BNX2_RPM_CONFIG);
3555 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3556 REG_WR(bp, BNX2_RPM_CONFIG, val);
3557
3558 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3559 }
3560 else {
3561 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3562 }
3563
3564 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3565 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3566
3567 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3568 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3569 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3570
3571 if (bp->wol)
3572 pmcsr |= 3;
3573 }
3574 else {
3575 pmcsr |= 3;
3576 }
3577 if (bp->wol) {
3578 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3579 }
3580 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3581 pmcsr);
3582
3583 /* No more memory access after this point until
3584 * device is brought back to D0.
3585 */
3586 udelay(50);
3587 break;
3588 }
3589 default:
3590 return -EINVAL;
3591 }
3592 return 0;
3593 }
3594
3595 static int
3596 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3597 {
3598 u32 val;
3599 int j;
3600
3601 /* Request access to the flash interface. */
3602 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3603 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3604 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3605 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3606 break;
3607
3608 udelay(5);
3609 }
3610
3611 if (j >= NVRAM_TIMEOUT_COUNT)
3612 return -EBUSY;
3613
3614 return 0;
3615 }
3616
3617 static int
3618 bnx2_release_nvram_lock(struct bnx2 *bp)
3619 {
3620 int j;
3621 u32 val;
3622
3623 /* Relinquish nvram interface. */
3624 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3625
3626 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3627 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3628 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3629 break;
3630
3631 udelay(5);
3632 }
3633
3634 if (j >= NVRAM_TIMEOUT_COUNT)
3635 return -EBUSY;
3636
3637 return 0;
3638 }
3639
3640
3641 static int
3642 bnx2_enable_nvram_write(struct bnx2 *bp)
3643 {
3644 u32 val;
3645
3646 val = REG_RD(bp, BNX2_MISC_CFG);
3647 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3648
3649 if (bp->flash_info->flags & BNX2_NV_WREN) {
3650 int j;
3651
3652 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3653 REG_WR(bp, BNX2_NVM_COMMAND,
3654 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3655
3656 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3657 udelay(5);
3658
3659 val = REG_RD(bp, BNX2_NVM_COMMAND);
3660 if (val & BNX2_NVM_COMMAND_DONE)
3661 break;
3662 }
3663
3664 if (j >= NVRAM_TIMEOUT_COUNT)
3665 return -EBUSY;
3666 }
3667 return 0;
3668 }
3669
3670 static void
3671 bnx2_disable_nvram_write(struct bnx2 *bp)
3672 {
3673 u32 val;
3674
3675 val = REG_RD(bp, BNX2_MISC_CFG);
3676 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3677 }
3678
3679
3680 static void
3681 bnx2_enable_nvram_access(struct bnx2 *bp)
3682 {
3683 u32 val;
3684
3685 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3686 /* Enable both bits, even on read. */
3687 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3688 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3689 }
3690
3691 static void
3692 bnx2_disable_nvram_access(struct bnx2 *bp)
3693 {
3694 u32 val;
3695
3696 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3697 /* Disable both bits, even after read. */
3698 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3699 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3700 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3701 }
3702
3703 static int
3704 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3705 {
3706 u32 cmd;
3707 int j;
3708
3709 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3710 /* Buffered flash, no erase needed */
3711 return 0;
3712
3713 /* Build an erase command */
3714 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3715 BNX2_NVM_COMMAND_DOIT;
3716
3717 /* Need to clear DONE bit separately. */
3718 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3719
3720 /* Address of the NVRAM to read from. */
3721 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3722
3723 /* Issue an erase command. */
3724 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3725
3726 /* Wait for completion. */
3727 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3728 u32 val;
3729
3730 udelay(5);
3731
3732 val = REG_RD(bp, BNX2_NVM_COMMAND);
3733 if (val & BNX2_NVM_COMMAND_DONE)
3734 break;
3735 }
3736
3737 if (j >= NVRAM_TIMEOUT_COUNT)
3738 return -EBUSY;
3739
3740 return 0;
3741 }
3742
3743 static int
3744 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3745 {
3746 u32 cmd;
3747 int j;
3748
3749 /* Build the command word. */
3750 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3751
3752 /* Calculate an offset of a buffered flash, not needed for 5709. */
3753 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3754 offset = ((offset / bp->flash_info->page_size) <<
3755 bp->flash_info->page_bits) +
3756 (offset % bp->flash_info->page_size);
3757 }
3758
3759 /* Need to clear DONE bit separately. */
3760 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3761
3762 /* Address of the NVRAM to read from. */
3763 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3764
3765 /* Issue a read command. */
3766 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3767
3768 /* Wait for completion. */
3769 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3770 u32 val;
3771
3772 udelay(5);
3773
3774 val = REG_RD(bp, BNX2_NVM_COMMAND);
3775 if (val & BNX2_NVM_COMMAND_DONE) {
3776 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3777 memcpy(ret_val, &v, 4);
3778 break;
3779 }
3780 }
3781 if (j >= NVRAM_TIMEOUT_COUNT)
3782 return -EBUSY;
3783
3784 return 0;
3785 }
3786
3787
3788 static int
3789 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3790 {
3791 u32 cmd;
3792 __be32 val32;
3793 int j;
3794
3795 /* Build the command word. */
3796 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3797
3798 /* Calculate an offset of a buffered flash, not needed for 5709. */
3799 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3800 offset = ((offset / bp->flash_info->page_size) <<
3801 bp->flash_info->page_bits) +
3802 (offset % bp->flash_info->page_size);
3803 }
3804
3805 /* Need to clear DONE bit separately. */
3806 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3807
3808 memcpy(&val32, val, 4);
3809
3810 /* Write the data. */
3811 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3812
3813 /* Address of the NVRAM to write to. */
3814 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3815
3816 /* Issue the write command. */
3817 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3818
3819 /* Wait for completion. */
3820 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3821 udelay(5);
3822
3823 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3824 break;
3825 }
3826 if (j >= NVRAM_TIMEOUT_COUNT)
3827 return -EBUSY;
3828
3829 return 0;
3830 }
3831
3832 static int
3833 bnx2_init_nvram(struct bnx2 *bp)
3834 {
3835 u32 val;
3836 int j, entry_count, rc = 0;
3837 struct flash_spec *flash;
3838
3839 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3840 bp->flash_info = &flash_5709;
3841 goto get_flash_size;
3842 }
3843
3844 /* Determine the selected interface. */
3845 val = REG_RD(bp, BNX2_NVM_CFG1);
3846
3847 entry_count = ARRAY_SIZE(flash_table);
3848
3849 if (val & 0x40000000) {
3850
3851 /* Flash interface has been reconfigured */
3852 for (j = 0, flash = &flash_table[0]; j < entry_count;
3853 j++, flash++) {
3854 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3855 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3856 bp->flash_info = flash;
3857 break;
3858 }
3859 }
3860 }
3861 else {
3862 u32 mask;
3863 /* Not yet been reconfigured */
3864
3865 if (val & (1 << 23))
3866 mask = FLASH_BACKUP_STRAP_MASK;
3867 else
3868 mask = FLASH_STRAP_MASK;
3869
3870 for (j = 0, flash = &flash_table[0]; j < entry_count;
3871 j++, flash++) {
3872
3873 if ((val & mask) == (flash->strapping & mask)) {
3874 bp->flash_info = flash;
3875
3876 /* Request access to the flash interface. */
3877 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3878 return rc;
3879
3880 /* Enable access to flash interface */
3881 bnx2_enable_nvram_access(bp);
3882
3883 /* Reconfigure the flash interface */
3884 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3885 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3886 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3887 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3888
3889 /* Disable access to flash interface */
3890 bnx2_disable_nvram_access(bp);
3891 bnx2_release_nvram_lock(bp);
3892
3893 break;
3894 }
3895 }
3896 } /* if (val & 0x40000000) */
3897
3898 if (j == entry_count) {
3899 bp->flash_info = NULL;
3900 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
3901 return -ENODEV;
3902 }
3903
3904 get_flash_size:
3905 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
3906 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3907 if (val)
3908 bp->flash_size = val;
3909 else
3910 bp->flash_size = bp->flash_info->total_size;
3911
3912 return rc;
3913 }
3914
3915 static int
3916 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3917 int buf_size)
3918 {
3919 int rc = 0;
3920 u32 cmd_flags, offset32, len32, extra;
3921
3922 if (buf_size == 0)
3923 return 0;
3924
3925 /* Request access to the flash interface. */
3926 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3927 return rc;
3928
3929 /* Enable access to flash interface */
3930 bnx2_enable_nvram_access(bp);
3931
3932 len32 = buf_size;
3933 offset32 = offset;
3934 extra = 0;
3935
3936 cmd_flags = 0;
3937
3938 if (offset32 & 3) {
3939 u8 buf[4];
3940 u32 pre_len;
3941
3942 offset32 &= ~3;
3943 pre_len = 4 - (offset & 3);
3944
3945 if (pre_len >= len32) {
3946 pre_len = len32;
3947 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3948 BNX2_NVM_COMMAND_LAST;
3949 }
3950 else {
3951 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3952 }
3953
3954 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3955
3956 if (rc)
3957 return rc;
3958
3959 memcpy(ret_buf, buf + (offset & 3), pre_len);
3960
3961 offset32 += 4;
3962 ret_buf += pre_len;
3963 len32 -= pre_len;
3964 }
3965 if (len32 & 3) {
3966 extra = 4 - (len32 & 3);
3967 len32 = (len32 + 4) & ~3;
3968 }
3969
3970 if (len32 == 4) {
3971 u8 buf[4];
3972
3973 if (cmd_flags)
3974 cmd_flags = BNX2_NVM_COMMAND_LAST;
3975 else
3976 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3977 BNX2_NVM_COMMAND_LAST;
3978
3979 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3980
3981 memcpy(ret_buf, buf, 4 - extra);
3982 }
3983 else if (len32 > 0) {
3984 u8 buf[4];
3985
3986 /* Read the first word. */
3987 if (cmd_flags)
3988 cmd_flags = 0;
3989 else
3990 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3991
3992 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3993
3994 /* Advance to the next dword. */
3995 offset32 += 4;
3996 ret_buf += 4;
3997 len32 -= 4;
3998
3999 while (len32 > 4 && rc == 0) {
4000 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4001
4002 /* Advance to the next dword. */
4003 offset32 += 4;
4004 ret_buf += 4;
4005 len32 -= 4;
4006 }
4007
4008 if (rc)
4009 return rc;
4010
4011 cmd_flags = BNX2_NVM_COMMAND_LAST;
4012 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4013
4014 memcpy(ret_buf, buf, 4 - extra);
4015 }
4016
4017 /* Disable access to flash interface */
4018 bnx2_disable_nvram_access(bp);
4019
4020 bnx2_release_nvram_lock(bp);
4021
4022 return rc;
4023 }
4024
4025 static int
4026 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4027 int buf_size)
4028 {
4029 u32 written, offset32, len32;
4030 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4031 int rc = 0;
4032 int align_start, align_end;
4033
4034 buf = data_buf;
4035 offset32 = offset;
4036 len32 = buf_size;
4037 align_start = align_end = 0;
4038
4039 if ((align_start = (offset32 & 3))) {
4040 offset32 &= ~3;
4041 len32 += align_start;
4042 if (len32 < 4)
4043 len32 = 4;
4044 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4045 return rc;
4046 }
4047
4048 if (len32 & 3) {
4049 align_end = 4 - (len32 & 3);
4050 len32 += align_end;
4051 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4052 return rc;
4053 }
4054
4055 if (align_start || align_end) {
4056 align_buf = kmalloc(len32, GFP_KERNEL);
4057 if (align_buf == NULL)
4058 return -ENOMEM;
4059 if (align_start) {
4060 memcpy(align_buf, start, 4);
4061 }
4062 if (align_end) {
4063 memcpy(align_buf + len32 - 4, end, 4);
4064 }
4065 memcpy(align_buf + align_start, data_buf, buf_size);
4066 buf = align_buf;
4067 }
4068
4069 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4070 flash_buffer = kmalloc(264, GFP_KERNEL);
4071 if (flash_buffer == NULL) {
4072 rc = -ENOMEM;
4073 goto nvram_write_end;
4074 }
4075 }
4076
4077 written = 0;
4078 while ((written < len32) && (rc == 0)) {
4079 u32 page_start, page_end, data_start, data_end;
4080 u32 addr, cmd_flags;
4081 int i;
4082
4083 /* Find the page_start addr */
4084 page_start = offset32 + written;
4085 page_start -= (page_start % bp->flash_info->page_size);
4086 /* Find the page_end addr */
4087 page_end = page_start + bp->flash_info->page_size;
4088 /* Find the data_start addr */
4089 data_start = (written == 0) ? offset32 : page_start;
4090 /* Find the data_end addr */
4091 data_end = (page_end > offset32 + len32) ?
4092 (offset32 + len32) : page_end;
4093
4094 /* Request access to the flash interface. */
4095 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4096 goto nvram_write_end;
4097
4098 /* Enable access to flash interface */
4099 bnx2_enable_nvram_access(bp);
4100
4101 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4102 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4103 int j;
4104
4105 /* Read the whole page into the buffer
4106 * (non-buffer flash only) */
4107 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4108 if (j == (bp->flash_info->page_size - 4)) {
4109 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4110 }
4111 rc = bnx2_nvram_read_dword(bp,
4112 page_start + j,
4113 &flash_buffer[j],
4114 cmd_flags);
4115
4116 if (rc)
4117 goto nvram_write_end;
4118
4119 cmd_flags = 0;
4120 }
4121 }
4122
4123 /* Enable writes to flash interface (unlock write-protect) */
4124 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4125 goto nvram_write_end;
4126
4127 /* Loop to write back the buffer data from page_start to
4128 * data_start */
4129 i = 0;
4130 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4131 /* Erase the page */
4132 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4133 goto nvram_write_end;
4134
4135 /* Re-enable the write again for the actual write */
4136 bnx2_enable_nvram_write(bp);
4137
4138 for (addr = page_start; addr < data_start;
4139 addr += 4, i += 4) {
4140
4141 rc = bnx2_nvram_write_dword(bp, addr,
4142 &flash_buffer[i], cmd_flags);
4143
4144 if (rc != 0)
4145 goto nvram_write_end;
4146
4147 cmd_flags = 0;
4148 }
4149 }
4150
4151 /* Loop to write the new data from data_start to data_end */
4152 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4153 if ((addr == page_end - 4) ||
4154 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4155 (addr == data_end - 4))) {
4156
4157 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4158 }
4159 rc = bnx2_nvram_write_dword(bp, addr, buf,
4160 cmd_flags);
4161
4162 if (rc != 0)
4163 goto nvram_write_end;
4164
4165 cmd_flags = 0;
4166 buf += 4;
4167 }
4168
4169 /* Loop to write back the buffer data from data_end
4170 * to page_end */
4171 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4172 for (addr = data_end; addr < page_end;
4173 addr += 4, i += 4) {
4174
4175 if (addr == page_end-4) {
4176 cmd_flags = BNX2_NVM_COMMAND_LAST;
4177 }
4178 rc = bnx2_nvram_write_dword(bp, addr,
4179 &flash_buffer[i], cmd_flags);
4180
4181 if (rc != 0)
4182 goto nvram_write_end;
4183
4184 cmd_flags = 0;
4185 }
4186 }
4187
4188 /* Disable writes to flash interface (lock write-protect) */
4189 bnx2_disable_nvram_write(bp);
4190
4191 /* Disable access to flash interface */
4192 bnx2_disable_nvram_access(bp);
4193 bnx2_release_nvram_lock(bp);
4194
4195 /* Increment written */
4196 written += data_end - data_start;
4197 }
4198
4199 nvram_write_end:
4200 kfree(flash_buffer);
4201 kfree(align_buf);
4202 return rc;
4203 }
4204
4205 static void
4206 bnx2_init_remote_phy(struct bnx2 *bp)
4207 {
4208 u32 val;
4209
4210 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4211 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
4212 return;
4213
4214 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4215 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4216 return;
4217
4218 if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
4219 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4220
4221 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4222 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4223 bp->phy_port = PORT_FIBRE;
4224 else
4225 bp->phy_port = PORT_TP;
4226
4227 if (netif_running(bp->dev)) {
4228 u32 sig;
4229
4230 sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4231 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4232 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4233 }
4234 }
4235 }
4236
4237 static void
4238 bnx2_setup_msix_tbl(struct bnx2 *bp)
4239 {
4240 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4241
4242 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4243 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4244 }
4245
4246 static int
4247 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4248 {
4249 u32 val;
4250 int i, rc = 0;
4251 u8 old_port;
4252
4253 /* Wait for the current PCI transaction to complete before
4254 * issuing a reset. */
4255 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4256 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4257 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4258 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4259 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4260 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4261 udelay(5);
4262
4263 /* Wait for the firmware to tell us it is ok to issue a reset. */
4264 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4265
4266 /* Deposit a driver reset signature so the firmware knows that
4267 * this is a soft reset. */
4268 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4269 BNX2_DRV_RESET_SIGNATURE_MAGIC);
4270
4271 /* Do a dummy read to force the chip to complete all current transaction
4272 * before we issue a reset. */
4273 val = REG_RD(bp, BNX2_MISC_ID);
4274
4275 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4276 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4277 REG_RD(bp, BNX2_MISC_COMMAND);
4278 udelay(5);
4279
4280 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4281 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4282
4283 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4284
4285 } else {
4286 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4287 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4288 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4289
4290 /* Chip reset. */
4291 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4292
4293 /* Reading back any register after chip reset will hang the
4294 * bus on 5706 A0 and A1. The msleep below provides plenty
4295 * of margin for write posting.
4296 */
4297 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4298 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4299 msleep(20);
4300
4301 /* Reset takes approximate 30 usec */
4302 for (i = 0; i < 10; i++) {
4303 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4304 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4305 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4306 break;
4307 udelay(10);
4308 }
4309
4310 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4311 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4312 printk(KERN_ERR PFX "Chip reset did not complete\n");
4313 return -EBUSY;
4314 }
4315 }
4316
4317 /* Make sure byte swapping is properly configured. */
4318 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4319 if (val != 0x01020304) {
4320 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4321 return -ENODEV;
4322 }
4323
4324 /* Wait for the firmware to finish its initialization. */
4325 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4326 if (rc)
4327 return rc;
4328
4329 spin_lock_bh(&bp->phy_lock);
4330 old_port = bp->phy_port;
4331 bnx2_init_remote_phy(bp);
4332 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4333 old_port != bp->phy_port)
4334 bnx2_set_default_remote_link(bp);
4335 spin_unlock_bh(&bp->phy_lock);
4336
4337 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4338 /* Adjust the voltage regular to two steps lower. The default
4339 * of this register is 0x0000000e. */
4340 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4341
4342 /* Remove bad rbuf memory from the free pool. */
4343 rc = bnx2_alloc_bad_rbuf(bp);
4344 }
4345
4346 if (bp->flags & BNX2_FLAG_USING_MSIX)
4347 bnx2_setup_msix_tbl(bp);
4348
4349 return rc;
4350 }
4351
4352 static int
4353 bnx2_init_chip(struct bnx2 *bp)
4354 {
4355 u32 val;
4356 int rc, i;
4357
4358 /* Make sure the interrupt is not active. */
4359 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4360
4361 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4362 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4363 #ifdef __BIG_ENDIAN
4364 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4365 #endif
4366 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4367 DMA_READ_CHANS << 12 |
4368 DMA_WRITE_CHANS << 16;
4369
4370 val |= (0x2 << 20) | (1 << 11);
4371
4372 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4373 val |= (1 << 23);
4374
4375 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4376 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4377 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4378
4379 REG_WR(bp, BNX2_DMA_CONFIG, val);
4380
4381 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4382 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4383 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4384 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4385 }
4386
4387 if (bp->flags & BNX2_FLAG_PCIX) {
4388 u16 val16;
4389
4390 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4391 &val16);
4392 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4393 val16 & ~PCI_X_CMD_ERO);
4394 }
4395
4396 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4397 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4398 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4399 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4400
4401 /* Initialize context mapping and zero out the quick contexts. The
4402 * context block must have already been enabled. */
4403 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4404 rc = bnx2_init_5709_context(bp);
4405 if (rc)
4406 return rc;
4407 } else
4408 bnx2_init_context(bp);
4409
4410 if ((rc = bnx2_init_cpus(bp)) != 0)
4411 return rc;
4412
4413 bnx2_init_nvram(bp);
4414
4415 bnx2_set_mac_addr(bp);
4416
4417 val = REG_RD(bp, BNX2_MQ_CONFIG);
4418 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4419 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4420 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4421 val |= BNX2_MQ_CONFIG_HALT_DIS;
4422
4423 REG_WR(bp, BNX2_MQ_CONFIG, val);
4424
4425 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4426 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4427 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4428
4429 val = (BCM_PAGE_BITS - 8) << 24;
4430 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4431
4432 /* Configure page size. */
4433 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4434 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4435 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4436 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4437
4438 val = bp->mac_addr[0] +
4439 (bp->mac_addr[1] << 8) +
4440 (bp->mac_addr[2] << 16) +
4441 bp->mac_addr[3] +
4442 (bp->mac_addr[4] << 8) +
4443 (bp->mac_addr[5] << 16);
4444 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4445
4446 /* Program the MTU. Also include 4 bytes for CRC32. */
4447 val = bp->dev->mtu + ETH_HLEN + 4;
4448 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4449 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4450 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4451
4452 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4453 bp->bnx2_napi[i].last_status_idx = 0;
4454
4455 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4456
4457 /* Set up how to generate a link change interrupt. */
4458 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4459
4460 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4461 (u64) bp->status_blk_mapping & 0xffffffff);
4462 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4463
4464 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4465 (u64) bp->stats_blk_mapping & 0xffffffff);
4466 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4467 (u64) bp->stats_blk_mapping >> 32);
4468
4469 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4470 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4471
4472 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4473 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4474
4475 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4476 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4477
4478 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4479
4480 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4481
4482 REG_WR(bp, BNX2_HC_COM_TICKS,
4483 (bp->com_ticks_int << 16) | bp->com_ticks);
4484
4485 REG_WR(bp, BNX2_HC_CMD_TICKS,
4486 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4487
4488 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4489 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4490 else
4491 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4492 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4493
4494 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4495 val = BNX2_HC_CONFIG_COLLECT_STATS;
4496 else {
4497 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4498 BNX2_HC_CONFIG_COLLECT_STATS;
4499 }
4500
4501 if (bp->flags & BNX2_FLAG_USING_MSIX) {
4502 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4503 BNX2_HC_SB_CONFIG_1;
4504
4505 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4506 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4507
4508 REG_WR(bp, base,
4509 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4510 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4511
4512 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4513 (bp->tx_quick_cons_trip_int << 16) |
4514 bp->tx_quick_cons_trip);
4515
4516 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4517 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4518
4519 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4520 }
4521
4522 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4523 val |= BNX2_HC_CONFIG_ONE_SHOT;
4524
4525 REG_WR(bp, BNX2_HC_CONFIG, val);
4526
4527 /* Clear internal stats counters. */
4528 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4529
4530 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4531
4532 /* Initialize the receive filter. */
4533 bnx2_set_rx_mode(bp->dev);
4534
4535 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4536 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4537 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4538 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4539 }
4540 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4541 0);
4542
4543 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4544 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4545
4546 udelay(20);
4547
4548 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4549
4550 return rc;
4551 }
4552
4553 static void
4554 bnx2_clear_ring_states(struct bnx2 *bp)
4555 {
4556 struct bnx2_napi *bnapi;
4557 int i;
4558
4559 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4560 bnapi = &bp->bnx2_napi[i];
4561
4562 bnapi->tx_cons = 0;
4563 bnapi->hw_tx_cons = 0;
4564 bnapi->rx_prod_bseq = 0;
4565 bnapi->rx_prod = 0;
4566 bnapi->rx_cons = 0;
4567 bnapi->rx_pg_prod = 0;
4568 bnapi->rx_pg_cons = 0;
4569 }
4570 }
4571
4572 static void
4573 bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4574 {
4575 u32 val, offset0, offset1, offset2, offset3;
4576 u32 cid_addr = GET_CID_ADDR(cid);
4577
4578 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4579 offset0 = BNX2_L2CTX_TYPE_XI;
4580 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4581 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4582 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4583 } else {
4584 offset0 = BNX2_L2CTX_TYPE;
4585 offset1 = BNX2_L2CTX_CMD_TYPE;
4586 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4587 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4588 }
4589 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4590 bnx2_ctx_wr(bp, cid_addr, offset0, val);
4591
4592 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4593 bnx2_ctx_wr(bp, cid_addr, offset1, val);
4594
4595 val = (u64) bp->tx_desc_mapping >> 32;
4596 bnx2_ctx_wr(bp, cid_addr, offset2, val);
4597
4598 val = (u64) bp->tx_desc_mapping & 0xffffffff;
4599 bnx2_ctx_wr(bp, cid_addr, offset3, val);
4600 }
4601
4602 static void
4603 bnx2_init_tx_ring(struct bnx2 *bp)
4604 {
4605 struct tx_bd *txbd;
4606 u32 cid = TX_CID;
4607 struct bnx2_napi *bnapi;
4608
4609 bp->tx_vec = 0;
4610 if (bp->flags & BNX2_FLAG_USING_MSIX) {
4611 cid = TX_TSS_CID;
4612 bp->tx_vec = BNX2_TX_VEC;
4613 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4614 (TX_TSS_CID << 7));
4615 }
4616 bnapi = &bp->bnx2_napi[bp->tx_vec];
4617
4618 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4619
4620 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4621
4622 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4623 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4624
4625 bp->tx_prod = 0;
4626 bp->tx_prod_bseq = 0;
4627
4628 bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4629 bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4630
4631 bnx2_init_tx_context(bp, cid);
4632 }
4633
4634 static void
4635 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4636 int num_rings)
4637 {
4638 int i;
4639 struct rx_bd *rxbd;
4640
4641 for (i = 0; i < num_rings; i++) {
4642 int j;
4643
4644 rxbd = &rx_ring[i][0];
4645 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4646 rxbd->rx_bd_len = buf_size;
4647 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4648 }
4649 if (i == (num_rings - 1))
4650 j = 0;
4651 else
4652 j = i + 1;
4653 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4654 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4655 }
4656 }
4657
4658 static void
4659 bnx2_init_rx_ring(struct bnx2 *bp)
4660 {
4661 int i;
4662 u16 prod, ring_prod;
4663 u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
4664 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
4665
4666 bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4667 bp->rx_buf_use_size, bp->rx_max_ring);
4668
4669 bnx2_init_rx_context0(bp);
4670
4671 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4672 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4673 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4674 }
4675
4676 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4677 if (bp->rx_pg_ring_size) {
4678 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4679 bp->rx_pg_desc_mapping,
4680 PAGE_SIZE, bp->rx_max_pg_ring);
4681 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4682 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4683 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4684 BNX2_L2CTX_RBDC_JUMBO_KEY);
4685
4686 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
4687 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4688
4689 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
4690 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4691
4692 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4693 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4694 }
4695
4696 val = (u64) bp->rx_desc_mapping[0] >> 32;
4697 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4698
4699 val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4700 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4701
4702 ring_prod = prod = bnapi->rx_pg_prod;
4703 for (i = 0; i < bp->rx_pg_ring_size; i++) {
4704 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4705 break;
4706 prod = NEXT_RX_BD(prod);
4707 ring_prod = RX_PG_RING_IDX(prod);
4708 }
4709 bnapi->rx_pg_prod = prod;
4710
4711 ring_prod = prod = bnapi->rx_prod;
4712 for (i = 0; i < bp->rx_ring_size; i++) {
4713 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
4714 break;
4715 }
4716 prod = NEXT_RX_BD(prod);
4717 ring_prod = RX_RING_IDX(prod);
4718 }
4719 bnapi->rx_prod = prod;
4720
4721 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4722 bnapi->rx_pg_prod);
4723 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4724
4725 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
4726 }
4727
4728 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4729 {
4730 u32 max, num_rings = 1;
4731
4732 while (ring_size > MAX_RX_DESC_CNT) {
4733 ring_size -= MAX_RX_DESC_CNT;
4734 num_rings++;
4735 }
4736 /* round to next power of 2 */
4737 max = max_size;
4738 while ((max & num_rings) == 0)
4739 max >>= 1;
4740
4741 if (num_rings != max)
4742 max <<= 1;
4743
4744 return max;
4745 }
4746
4747 static void
4748 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4749 {
4750 u32 rx_size, rx_space, jumbo_size;
4751
4752 /* 8 for CRC and VLAN */
4753 rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4754
4755 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4756 sizeof(struct skb_shared_info);
4757
4758 bp->rx_copy_thresh = RX_COPY_THRESH;
4759 bp->rx_pg_ring_size = 0;
4760 bp->rx_max_pg_ring = 0;
4761 bp->rx_max_pg_ring_idx = 0;
4762 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4763 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4764
4765 jumbo_size = size * pages;
4766 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4767 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4768
4769 bp->rx_pg_ring_size = jumbo_size;
4770 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4771 MAX_RX_PG_RINGS);
4772 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4773 rx_size = RX_COPY_THRESH + bp->rx_offset;
4774 bp->rx_copy_thresh = 0;
4775 }
4776
4777 bp->rx_buf_use_size = rx_size;
4778 /* hw alignment */
4779 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4780 bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
4781 bp->rx_ring_size = size;
4782 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4783 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4784 }
4785
4786 static void
4787 bnx2_free_tx_skbs(struct bnx2 *bp)
4788 {
4789 int i;
4790
4791 if (bp->tx_buf_ring == NULL)
4792 return;
4793
4794 for (i = 0; i < TX_DESC_CNT; ) {
4795 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4796 struct sk_buff *skb = tx_buf->skb;
4797 int j, last;
4798
4799 if (skb == NULL) {
4800 i++;
4801 continue;
4802 }
4803
4804 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4805 skb_headlen(skb), PCI_DMA_TODEVICE);
4806
4807 tx_buf->skb = NULL;
4808
4809 last = skb_shinfo(skb)->nr_frags;
4810 for (j = 0; j < last; j++) {
4811 tx_buf = &bp->tx_buf_ring[i + j + 1];
4812 pci_unmap_page(bp->pdev,
4813 pci_unmap_addr(tx_buf, mapping),
4814 skb_shinfo(skb)->frags[j].size,
4815 PCI_DMA_TODEVICE);
4816 }
4817 dev_kfree_skb(skb);
4818 i += j + 1;
4819 }
4820
4821 }
4822
4823 static void
4824 bnx2_free_rx_skbs(struct bnx2 *bp)
4825 {
4826 int i;
4827
4828 if (bp->rx_buf_ring == NULL)
4829 return;
4830
4831 for (i = 0; i < bp->rx_max_ring_idx; i++) {
4832 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4833 struct sk_buff *skb = rx_buf->skb;
4834
4835 if (skb == NULL)
4836 continue;
4837
4838 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4839 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4840
4841 rx_buf->skb = NULL;
4842
4843 dev_kfree_skb(skb);
4844 }
4845 for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4846 bnx2_free_rx_page(bp, i);
4847 }
4848
4849 static void
4850 bnx2_free_skbs(struct bnx2 *bp)
4851 {
4852 bnx2_free_tx_skbs(bp);
4853 bnx2_free_rx_skbs(bp);
4854 }
4855
4856 static int
4857 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4858 {
4859 int rc;
4860
4861 rc = bnx2_reset_chip(bp, reset_code);
4862 bnx2_free_skbs(bp);
4863 if (rc)
4864 return rc;
4865
4866 if ((rc = bnx2_init_chip(bp)) != 0)
4867 return rc;
4868
4869 bnx2_clear_ring_states(bp);
4870 bnx2_init_tx_ring(bp);
4871 bnx2_init_rx_ring(bp);
4872 return 0;
4873 }
4874
4875 static int
4876 bnx2_init_nic(struct bnx2 *bp)
4877 {
4878 int rc;
4879
4880 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4881 return rc;
4882
4883 spin_lock_bh(&bp->phy_lock);
4884 bnx2_init_phy(bp);
4885 bnx2_set_link(bp);
4886 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
4887 bnx2_remote_phy_event(bp);
4888 spin_unlock_bh(&bp->phy_lock);
4889 return 0;
4890 }
4891
4892 static int
4893 bnx2_test_registers(struct bnx2 *bp)
4894 {
4895 int ret;
4896 int i, is_5709;
4897 static const struct {
4898 u16 offset;
4899 u16 flags;
4900 #define BNX2_FL_NOT_5709 1
4901 u32 rw_mask;
4902 u32 ro_mask;
4903 } reg_tbl[] = {
4904 { 0x006c, 0, 0x00000000, 0x0000003f },
4905 { 0x0090, 0, 0xffffffff, 0x00000000 },
4906 { 0x0094, 0, 0x00000000, 0x00000000 },
4907
4908 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4909 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4910 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4911 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4912 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4913 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4914 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4915 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4916 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4917
4918 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4919 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4920 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4921 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4922 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4923 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4924
4925 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4926 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4927 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
4928
4929 { 0x1000, 0, 0x00000000, 0x00000001 },
4930 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
4931
4932 { 0x1408, 0, 0x01c00800, 0x00000000 },
4933 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4934 { 0x14a8, 0, 0x00000000, 0x000001ff },
4935 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
4936 { 0x14b0, 0, 0x00000002, 0x00000001 },
4937 { 0x14b8, 0, 0x00000000, 0x00000000 },
4938 { 0x14c0, 0, 0x00000000, 0x00000009 },
4939 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4940 { 0x14cc, 0, 0x00000000, 0x00000001 },
4941 { 0x14d0, 0, 0xffffffff, 0x00000000 },
4942
4943 { 0x1800, 0, 0x00000000, 0x00000001 },
4944 { 0x1804, 0, 0x00000000, 0x00000003 },
4945
4946 { 0x2800, 0, 0x00000000, 0x00000001 },
4947 { 0x2804, 0, 0x00000000, 0x00003f01 },
4948 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4949 { 0x2810, 0, 0xffff0000, 0x00000000 },
4950 { 0x2814, 0, 0xffff0000, 0x00000000 },
4951 { 0x2818, 0, 0xffff0000, 0x00000000 },
4952 { 0x281c, 0, 0xffff0000, 0x00000000 },
4953 { 0x2834, 0, 0xffffffff, 0x00000000 },
4954 { 0x2840, 0, 0x00000000, 0xffffffff },
4955 { 0x2844, 0, 0x00000000, 0xffffffff },
4956 { 0x2848, 0, 0xffffffff, 0x00000000 },
4957 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4958
4959 { 0x2c00, 0, 0x00000000, 0x00000011 },
4960 { 0x2c04, 0, 0x00000000, 0x00030007 },
4961
4962 { 0x3c00, 0, 0x00000000, 0x00000001 },
4963 { 0x3c04, 0, 0x00000000, 0x00070000 },
4964 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4965 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4966 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4967 { 0x3c14, 0, 0x00000000, 0xffffffff },
4968 { 0x3c18, 0, 0x00000000, 0xffffffff },
4969 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4970 { 0x3c20, 0, 0xffffff00, 0x00000000 },
4971
4972 { 0x5004, 0, 0x00000000, 0x0000007f },
4973 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
4974
4975 { 0x5c00, 0, 0x00000000, 0x00000001 },
4976 { 0x5c04, 0, 0x00000000, 0x0003000f },
4977 { 0x5c08, 0, 0x00000003, 0x00000000 },
4978 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4979 { 0x5c10, 0, 0x00000000, 0xffffffff },
4980 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4981 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4982 { 0x5c88, 0, 0x00000000, 0x00077373 },
4983 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4984
4985 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4986 { 0x680c, 0, 0xffffffff, 0x00000000 },
4987 { 0x6810, 0, 0xffffffff, 0x00000000 },
4988 { 0x6814, 0, 0xffffffff, 0x00000000 },
4989 { 0x6818, 0, 0xffffffff, 0x00000000 },
4990 { 0x681c, 0, 0xffffffff, 0x00000000 },
4991 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4992 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4993 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4994 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4995 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4996 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4997 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4998 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4999 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5000 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5001 { 0x684c, 0, 0xffffffff, 0x00000000 },
5002 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5003 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5004 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5005 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5006 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5007 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5008
5009 { 0xffff, 0, 0x00000000, 0x00000000 },
5010 };
5011
5012 ret = 0;
5013 is_5709 = 0;
5014 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5015 is_5709 = 1;
5016
5017 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5018 u32 offset, rw_mask, ro_mask, save_val, val;
5019 u16 flags = reg_tbl[i].flags;
5020
5021 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5022 continue;
5023
5024 offset = (u32) reg_tbl[i].offset;
5025 rw_mask = reg_tbl[i].rw_mask;
5026 ro_mask = reg_tbl[i].ro_mask;
5027
5028 save_val = readl(bp->regview + offset);
5029
5030 writel(0, bp->regview + offset);
5031
5032 val = readl(bp->regview + offset);
5033 if ((val & rw_mask) != 0) {
5034 goto reg_test_err;
5035 }
5036
5037 if ((val & ro_mask) != (save_val & ro_mask)) {
5038 goto reg_test_err;
5039 }
5040
5041 writel(0xffffffff, bp->regview + offset);
5042
5043 val = readl(bp->regview + offset);
5044 if ((val & rw_mask) != rw_mask) {
5045 goto reg_test_err;
5046 }
5047
5048 if ((val & ro_mask) != (save_val & ro_mask)) {
5049 goto reg_test_err;
5050 }
5051
5052 writel(save_val, bp->regview + offset);
5053 continue;
5054
5055 reg_test_err:
5056 writel(save_val, bp->regview + offset);
5057 ret = -ENODEV;
5058 break;
5059 }
5060 return ret;
5061 }
5062
5063 static int
5064 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5065 {
5066 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5067 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5068 int i;
5069
5070 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5071 u32 offset;
5072
5073 for (offset = 0; offset < size; offset += 4) {
5074
5075 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5076
5077 if (bnx2_reg_rd_ind(bp, start + offset) !=
5078 test_pattern[i]) {
5079 return -ENODEV;
5080 }
5081 }
5082 }
5083 return 0;
5084 }
5085
5086 static int
5087 bnx2_test_memory(struct bnx2 *bp)
5088 {
5089 int ret = 0;
5090 int i;
5091 static struct mem_entry {
5092 u32 offset;
5093 u32 len;
5094 } mem_tbl_5706[] = {
5095 { 0x60000, 0x4000 },
5096 { 0xa0000, 0x3000 },
5097 { 0xe0000, 0x4000 },
5098 { 0x120000, 0x4000 },
5099 { 0x1a0000, 0x4000 },
5100 { 0x160000, 0x4000 },
5101 { 0xffffffff, 0 },
5102 },
5103 mem_tbl_5709[] = {
5104 { 0x60000, 0x4000 },
5105 { 0xa0000, 0x3000 },
5106 { 0xe0000, 0x4000 },
5107 { 0x120000, 0x4000 },
5108 { 0x1a0000, 0x4000 },
5109 { 0xffffffff, 0 },
5110 };
5111 struct mem_entry *mem_tbl;
5112
5113 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5114 mem_tbl = mem_tbl_5709;
5115 else
5116 mem_tbl = mem_tbl_5706;
5117
5118 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5119 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5120 mem_tbl[i].len)) != 0) {
5121 return ret;
5122 }
5123 }
5124
5125 return ret;
5126 }
5127
5128 #define BNX2_MAC_LOOPBACK 0
5129 #define BNX2_PHY_LOOPBACK 1
5130
5131 static int
5132 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5133 {
5134 unsigned int pkt_size, num_pkts, i;
5135 struct sk_buff *skb, *rx_skb;
5136 unsigned char *packet;
5137 u16 rx_start_idx, rx_idx;
5138 dma_addr_t map;
5139 struct tx_bd *txbd;
5140 struct sw_bd *rx_buf;
5141 struct l2_fhdr *rx_hdr;
5142 int ret = -ENODEV;
5143 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5144
5145 tx_napi = bnapi;
5146 if (bp->flags & BNX2_FLAG_USING_MSIX)
5147 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
5148
5149 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5150 bp->loopback = MAC_LOOPBACK;
5151 bnx2_set_mac_loopback(bp);
5152 }
5153 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5154 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5155 return 0;
5156
5157 bp->loopback = PHY_LOOPBACK;
5158 bnx2_set_phy_loopback(bp);
5159 }
5160 else
5161 return -EINVAL;
5162
5163 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5164 skb = netdev_alloc_skb(bp->dev, pkt_size);
5165 if (!skb)
5166 return -ENOMEM;
5167 packet = skb_put(skb, pkt_size);
5168 memcpy(packet, bp->dev->dev_addr, 6);
5169 memset(packet + 6, 0x0, 8);
5170 for (i = 14; i < pkt_size; i++)
5171 packet[i] = (unsigned char) (i & 0xff);
5172
5173 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5174 PCI_DMA_TODEVICE);
5175
5176 REG_WR(bp, BNX2_HC_COMMAND,
5177 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5178
5179 REG_RD(bp, BNX2_HC_COMMAND);
5180
5181 udelay(5);
5182 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5183
5184 num_pkts = 0;
5185
5186 txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
5187
5188 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5189 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5190 txbd->tx_bd_mss_nbytes = pkt_size;
5191 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5192
5193 num_pkts++;
5194 bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5195 bp->tx_prod_bseq += pkt_size;
5196
5197 REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5198 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5199
5200 udelay(100);
5201
5202 REG_WR(bp, BNX2_HC_COMMAND,
5203 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5204
5205 REG_RD(bp, BNX2_HC_COMMAND);
5206
5207 udelay(5);
5208
5209 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5210 dev_kfree_skb(skb);
5211
5212 if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
5213 goto loopback_test_done;
5214
5215 rx_idx = bnx2_get_hw_rx_cons(bnapi);
5216 if (rx_idx != rx_start_idx + num_pkts) {
5217 goto loopback_test_done;
5218 }
5219
5220 rx_buf = &bp->rx_buf_ring[rx_start_idx];
5221 rx_skb = rx_buf->skb;
5222
5223 rx_hdr = (struct l2_fhdr *) rx_skb->data;
5224 skb_reserve(rx_skb, bp->rx_offset);
5225
5226 pci_dma_sync_single_for_cpu(bp->pdev,
5227 pci_unmap_addr(rx_buf, mapping),
5228 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5229
5230 if (rx_hdr->l2_fhdr_status &
5231 (L2_FHDR_ERRORS_BAD_CRC |
5232 L2_FHDR_ERRORS_PHY_DECODE |
5233 L2_FHDR_ERRORS_ALIGNMENT |
5234 L2_FHDR_ERRORS_TOO_SHORT |
5235 L2_FHDR_ERRORS_GIANT_FRAME)) {
5236
5237 goto loopback_test_done;
5238 }
5239
5240 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5241 goto loopback_test_done;
5242 }
5243
5244 for (i = 14; i < pkt_size; i++) {
5245 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5246 goto loopback_test_done;
5247 }
5248 }
5249
5250 ret = 0;
5251
5252 loopback_test_done:
5253 bp->loopback = 0;
5254 return ret;
5255 }
5256
5257 #define BNX2_MAC_LOOPBACK_FAILED 1
5258 #define BNX2_PHY_LOOPBACK_FAILED 2
5259 #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5260 BNX2_PHY_LOOPBACK_FAILED)
5261
5262 static int
5263 bnx2_test_loopback(struct bnx2 *bp)
5264 {
5265 int rc = 0;
5266
5267 if (!netif_running(bp->dev))
5268 return BNX2_LOOPBACK_FAILED;
5269
5270 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5271 spin_lock_bh(&bp->phy_lock);
5272 bnx2_init_phy(bp);
5273 spin_unlock_bh(&bp->phy_lock);
5274 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5275 rc |= BNX2_MAC_LOOPBACK_FAILED;
5276 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5277 rc |= BNX2_PHY_LOOPBACK_FAILED;
5278 return rc;
5279 }
5280
5281 #define NVRAM_SIZE 0x200
5282 #define CRC32_RESIDUAL 0xdebb20e3
5283
5284 static int
5285 bnx2_test_nvram(struct bnx2 *bp)
5286 {
5287 __be32 buf[NVRAM_SIZE / 4];
5288 u8 *data = (u8 *) buf;
5289 int rc = 0;
5290 u32 magic, csum;
5291
5292 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5293 goto test_nvram_done;
5294
5295 magic = be32_to_cpu(buf[0]);
5296 if (magic != 0x669955aa) {
5297 rc = -ENODEV;
5298 goto test_nvram_done;
5299 }
5300
5301 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5302 goto test_nvram_done;
5303
5304 csum = ether_crc_le(0x100, data);
5305 if (csum != CRC32_RESIDUAL) {
5306 rc = -ENODEV;
5307 goto test_nvram_done;
5308 }
5309
5310 csum = ether_crc_le(0x100, data + 0x100);
5311 if (csum != CRC32_RESIDUAL) {
5312 rc = -ENODEV;
5313 }
5314
5315 test_nvram_done:
5316 return rc;
5317 }
5318
5319 static int
5320 bnx2_test_link(struct bnx2 *bp)
5321 {
5322 u32 bmsr;
5323
5324 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5325 if (bp->link_up)
5326 return 0;
5327 return -ENODEV;
5328 }
5329 spin_lock_bh(&bp->phy_lock);
5330 bnx2_enable_bmsr1(bp);
5331 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5332 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5333 bnx2_disable_bmsr1(bp);
5334 spin_unlock_bh(&bp->phy_lock);
5335
5336 if (bmsr & BMSR_LSTATUS) {
5337 return 0;
5338 }
5339 return -ENODEV;
5340 }
5341
5342 static int
5343 bnx2_test_intr(struct bnx2 *bp)
5344 {
5345 int i;
5346 u16 status_idx;
5347
5348 if (!netif_running(bp->dev))
5349 return -ENODEV;
5350
5351 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5352
5353 /* This register is not touched during run-time. */
5354 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5355 REG_RD(bp, BNX2_HC_COMMAND);
5356
5357 for (i = 0; i < 10; i++) {
5358 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5359 status_idx) {
5360
5361 break;
5362 }
5363
5364 msleep_interruptible(10);
5365 }
5366 if (i < 10)
5367 return 0;
5368
5369 return -ENODEV;
5370 }
5371
5372 /* Determining link for parallel detection. */
5373 static int
5374 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5375 {
5376 u32 mode_ctl, an_dbg, exp;
5377
5378 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5379 return 0;
5380
5381 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5382 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5383
5384 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5385 return 0;
5386
5387 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5388 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5389 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5390
5391 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5392 return 0;
5393
5394 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5395 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5396 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5397
5398 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5399 return 0;
5400
5401 return 1;
5402 }
5403
5404 static void
5405 bnx2_5706_serdes_timer(struct bnx2 *bp)
5406 {
5407 int check_link = 1;
5408
5409 spin_lock(&bp->phy_lock);
5410 if (bp->serdes_an_pending) {
5411 bp->serdes_an_pending--;
5412 check_link = 0;
5413 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5414 u32 bmcr;
5415
5416 bp->current_interval = bp->timer_interval;
5417
5418 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5419
5420 if (bmcr & BMCR_ANENABLE) {
5421 if (bnx2_5706_serdes_has_link(bp)) {
5422 bmcr &= ~BMCR_ANENABLE;
5423 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5424 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5425 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5426 }
5427 }
5428 }
5429 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5430 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5431 u32 phy2;
5432
5433 bnx2_write_phy(bp, 0x17, 0x0f01);
5434 bnx2_read_phy(bp, 0x15, &phy2);
5435 if (phy2 & 0x20) {
5436 u32 bmcr;
5437
5438 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5439 bmcr |= BMCR_ANENABLE;
5440 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5441
5442 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5443 }
5444 } else
5445 bp->current_interval = bp->timer_interval;
5446
5447 if (check_link) {
5448 u32 val;
5449
5450 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5451 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5452 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5453
5454 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5455 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5456 bnx2_5706s_force_link_dn(bp, 1);
5457 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5458 } else
5459 bnx2_set_link(bp);
5460 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5461 bnx2_set_link(bp);
5462 }
5463 spin_unlock(&bp->phy_lock);
5464 }
5465
5466 static void
5467 bnx2_5708_serdes_timer(struct bnx2 *bp)
5468 {
5469 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5470 return;
5471
5472 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5473 bp->serdes_an_pending = 0;
5474 return;
5475 }
5476
5477 spin_lock(&bp->phy_lock);
5478 if (bp->serdes_an_pending)
5479 bp->serdes_an_pending--;
5480 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5481 u32 bmcr;
5482
5483 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5484 if (bmcr & BMCR_ANENABLE) {
5485 bnx2_enable_forced_2g5(bp);
5486 bp->current_interval = SERDES_FORCED_TIMEOUT;
5487 } else {
5488 bnx2_disable_forced_2g5(bp);
5489 bp->serdes_an_pending = 2;
5490 bp->current_interval = bp->timer_interval;
5491 }
5492
5493 } else
5494 bp->current_interval = bp->timer_interval;
5495
5496 spin_unlock(&bp->phy_lock);
5497 }
5498
5499 static void
5500 bnx2_timer(unsigned long data)
5501 {
5502 struct bnx2 *bp = (struct bnx2 *) data;
5503
5504 if (!netif_running(bp->dev))
5505 return;
5506
5507 if (atomic_read(&bp->intr_sem) != 0)
5508 goto bnx2_restart_timer;
5509
5510 bnx2_send_heart_beat(bp);
5511
5512 bp->stats_blk->stat_FwRxDrop =
5513 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5514
5515 /* workaround occasional corrupted counters */
5516 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5517 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5518 BNX2_HC_COMMAND_STATS_NOW);
5519
5520 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5521 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5522 bnx2_5706_serdes_timer(bp);
5523 else
5524 bnx2_5708_serdes_timer(bp);
5525 }
5526
5527 bnx2_restart_timer:
5528 mod_timer(&bp->timer, jiffies + bp->current_interval);
5529 }
5530
5531 static int
5532 bnx2_request_irq(struct bnx2 *bp)
5533 {
5534 struct net_device *dev = bp->dev;
5535 unsigned long flags;
5536 struct bnx2_irq *irq;
5537 int rc = 0, i;
5538
5539 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5540 flags = 0;
5541 else
5542 flags = IRQF_SHARED;
5543
5544 for (i = 0; i < bp->irq_nvecs; i++) {
5545 irq = &bp->irq_tbl[i];
5546 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5547 dev);
5548 if (rc)
5549 break;
5550 irq->requested = 1;
5551 }
5552 return rc;
5553 }
5554
5555 static void
5556 bnx2_free_irq(struct bnx2 *bp)
5557 {
5558 struct net_device *dev = bp->dev;
5559 struct bnx2_irq *irq;
5560 int i;
5561
5562 for (i = 0; i < bp->irq_nvecs; i++) {
5563 irq = &bp->irq_tbl[i];
5564 if (irq->requested)
5565 free_irq(irq->vector, dev);
5566 irq->requested = 0;
5567 }
5568 if (bp->flags & BNX2_FLAG_USING_MSI)
5569 pci_disable_msi(bp->pdev);
5570 else if (bp->flags & BNX2_FLAG_USING_MSIX)
5571 pci_disable_msix(bp->pdev);
5572
5573 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5574 }
5575
5576 static void
5577 bnx2_enable_msix(struct bnx2 *bp)
5578 {
5579 int i, rc;
5580 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5581
5582 bnx2_setup_msix_tbl(bp);
5583 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5584 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5585 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5586
5587 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5588 msix_ent[i].entry = i;
5589 msix_ent[i].vector = 0;
5590 }
5591
5592 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5593 if (rc != 0)
5594 return;
5595
5596 bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5597 bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5598
5599 strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5600 strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5601 strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5602 strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5603
5604 bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
5605 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5606 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5607 bp->irq_tbl[i].vector = msix_ent[i].vector;
5608 }
5609
5610 static void
5611 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5612 {
5613 bp->irq_tbl[0].handler = bnx2_interrupt;
5614 strcpy(bp->irq_tbl[0].name, bp->dev->name);
5615 bp->irq_nvecs = 1;
5616 bp->irq_tbl[0].vector = bp->pdev->irq;
5617
5618 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5619 bnx2_enable_msix(bp);
5620
5621 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5622 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5623 if (pci_enable_msi(bp->pdev) == 0) {
5624 bp->flags |= BNX2_FLAG_USING_MSI;
5625 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5626 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5627 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5628 } else
5629 bp->irq_tbl[0].handler = bnx2_msi;
5630
5631 bp->irq_tbl[0].vector = bp->pdev->irq;
5632 }
5633 }
5634 }
5635
5636 /* Called with rtnl_lock */
5637 static int
5638 bnx2_open(struct net_device *dev)
5639 {
5640 struct bnx2 *bp = netdev_priv(dev);
5641 int rc;
5642
5643 netif_carrier_off(dev);
5644
5645 bnx2_set_power_state(bp, PCI_D0);
5646 bnx2_disable_int(bp);
5647
5648 rc = bnx2_alloc_mem(bp);
5649 if (rc)
5650 return rc;
5651
5652 bnx2_setup_int_mode(bp, disable_msi);
5653 bnx2_napi_enable(bp);
5654 rc = bnx2_request_irq(bp);
5655
5656 if (rc) {
5657 bnx2_napi_disable(bp);
5658 bnx2_free_mem(bp);
5659 return rc;
5660 }
5661
5662 rc = bnx2_init_nic(bp);
5663
5664 if (rc) {
5665 bnx2_napi_disable(bp);
5666 bnx2_free_irq(bp);
5667 bnx2_free_skbs(bp);
5668 bnx2_free_mem(bp);
5669 return rc;
5670 }
5671
5672 mod_timer(&bp->timer, jiffies + bp->current_interval);
5673
5674 atomic_set(&bp->intr_sem, 0);
5675
5676 bnx2_enable_int(bp);
5677
5678 if (bp->flags & BNX2_FLAG_USING_MSI) {
5679 /* Test MSI to make sure it is working
5680 * If MSI test fails, go back to INTx mode
5681 */
5682 if (bnx2_test_intr(bp) != 0) {
5683 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5684 " using MSI, switching to INTx mode. Please"
5685 " report this failure to the PCI maintainer"
5686 " and include system chipset information.\n",
5687 bp->dev->name);
5688
5689 bnx2_disable_int(bp);
5690 bnx2_free_irq(bp);
5691
5692 bnx2_setup_int_mode(bp, 1);
5693
5694 rc = bnx2_init_nic(bp);
5695
5696 if (!rc)
5697 rc = bnx2_request_irq(bp);
5698
5699 if (rc) {
5700 bnx2_napi_disable(bp);
5701 bnx2_free_skbs(bp);
5702 bnx2_free_mem(bp);
5703 del_timer_sync(&bp->timer);
5704 return rc;
5705 }
5706 bnx2_enable_int(bp);
5707 }
5708 }
5709 if (bp->flags & BNX2_FLAG_USING_MSI)
5710 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5711 else if (bp->flags & BNX2_FLAG_USING_MSIX)
5712 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5713
5714 netif_start_queue(dev);
5715
5716 return 0;
5717 }
5718
5719 static void
5720 bnx2_reset_task(struct work_struct *work)
5721 {
5722 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5723
5724 if (!netif_running(bp->dev))
5725 return;
5726
5727 bnx2_netif_stop(bp);
5728
5729 bnx2_init_nic(bp);
5730
5731 atomic_set(&bp->intr_sem, 1);
5732 bnx2_netif_start(bp);
5733 }
5734
5735 static void
5736 bnx2_tx_timeout(struct net_device *dev)
5737 {
5738 struct bnx2 *bp = netdev_priv(dev);
5739
5740 /* This allows the netif to be shutdown gracefully before resetting */
5741 schedule_work(&bp->reset_task);
5742 }
5743
5744 #ifdef BCM_VLAN
5745 /* Called with rtnl_lock */
5746 static void
5747 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5748 {
5749 struct bnx2 *bp = netdev_priv(dev);
5750
5751 bnx2_netif_stop(bp);
5752
5753 bp->vlgrp = vlgrp;
5754 bnx2_set_rx_mode(dev);
5755
5756 bnx2_netif_start(bp);
5757 }
5758 #endif
5759
5760 /* Called with netif_tx_lock.
5761 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5762 * netif_wake_queue().
5763 */
5764 static int
5765 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5766 {
5767 struct bnx2 *bp = netdev_priv(dev);
5768 dma_addr_t mapping;
5769 struct tx_bd *txbd;
5770 struct sw_bd *tx_buf;
5771 u32 len, vlan_tag_flags, last_frag, mss;
5772 u16 prod, ring_prod;
5773 int i;
5774 struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
5775
5776 if (unlikely(bnx2_tx_avail(bp, bnapi) <
5777 (skb_shinfo(skb)->nr_frags + 1))) {
5778 netif_stop_queue(dev);
5779 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5780 dev->name);
5781
5782 return NETDEV_TX_BUSY;
5783 }
5784 len = skb_headlen(skb);
5785 prod = bp->tx_prod;
5786 ring_prod = TX_RING_IDX(prod);
5787
5788 vlan_tag_flags = 0;
5789 if (skb->ip_summed == CHECKSUM_PARTIAL) {
5790 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5791 }
5792
5793 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5794 vlan_tag_flags |=
5795 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5796 }
5797 if ((mss = skb_shinfo(skb)->gso_size)) {
5798 u32 tcp_opt_len, ip_tcp_len;
5799 struct iphdr *iph;
5800
5801 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5802
5803 tcp_opt_len = tcp_optlen(skb);
5804
5805 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5806 u32 tcp_off = skb_transport_offset(skb) -
5807 sizeof(struct ipv6hdr) - ETH_HLEN;
5808
5809 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5810 TX_BD_FLAGS_SW_FLAGS;
5811 if (likely(tcp_off == 0))
5812 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5813 else {
5814 tcp_off >>= 3;
5815 vlan_tag_flags |= ((tcp_off & 0x3) <<
5816 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5817 ((tcp_off & 0x10) <<
5818 TX_BD_FLAGS_TCP6_OFF4_SHL);
5819 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5820 }
5821 } else {
5822 if (skb_header_cloned(skb) &&
5823 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5824 dev_kfree_skb(skb);
5825 return NETDEV_TX_OK;
5826 }
5827
5828 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5829
5830 iph = ip_hdr(skb);
5831 iph->check = 0;
5832 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5833 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5834 iph->daddr, 0,
5835 IPPROTO_TCP,
5836 0);
5837 if (tcp_opt_len || (iph->ihl > 5)) {
5838 vlan_tag_flags |= ((iph->ihl - 5) +
5839 (tcp_opt_len >> 2)) << 8;
5840 }
5841 }
5842 } else
5843 mss = 0;
5844
5845 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5846
5847 tx_buf = &bp->tx_buf_ring[ring_prod];
5848 tx_buf->skb = skb;
5849 pci_unmap_addr_set(tx_buf, mapping, mapping);
5850
5851 txbd = &bp->tx_desc_ring[ring_prod];
5852
5853 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5854 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5855 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5856 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5857
5858 last_frag = skb_shinfo(skb)->nr_frags;
5859
5860 for (i = 0; i < last_frag; i++) {
5861 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5862
5863 prod = NEXT_TX_BD(prod);
5864 ring_prod = TX_RING_IDX(prod);
5865 txbd = &bp->tx_desc_ring[ring_prod];
5866
5867 len = frag->size;
5868 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5869 len, PCI_DMA_TODEVICE);
5870 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5871 mapping, mapping);
5872
5873 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5874 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5875 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5876 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5877
5878 }
5879 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5880
5881 prod = NEXT_TX_BD(prod);
5882 bp->tx_prod_bseq += skb->len;
5883
5884 REG_WR16(bp, bp->tx_bidx_addr, prod);
5885 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5886
5887 mmiowb();
5888
5889 bp->tx_prod = prod;
5890 dev->trans_start = jiffies;
5891
5892 if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
5893 netif_stop_queue(dev);
5894 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
5895 netif_wake_queue(dev);
5896 }
5897
5898 return NETDEV_TX_OK;
5899 }
5900
5901 /* Called with rtnl_lock */
5902 static int
5903 bnx2_close(struct net_device *dev)
5904 {
5905 struct bnx2 *bp = netdev_priv(dev);
5906 u32 reset_code;
5907
5908 cancel_work_sync(&bp->reset_task);
5909
5910 bnx2_disable_int_sync(bp);
5911 bnx2_napi_disable(bp);
5912 del_timer_sync(&bp->timer);
5913 if (bp->flags & BNX2_FLAG_NO_WOL)
5914 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5915 else if (bp->wol)
5916 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5917 else
5918 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5919 bnx2_reset_chip(bp, reset_code);
5920 bnx2_free_irq(bp);
5921 bnx2_free_skbs(bp);
5922 bnx2_free_mem(bp);
5923 bp->link_up = 0;
5924 netif_carrier_off(bp->dev);
5925 bnx2_set_power_state(bp, PCI_D3hot);
5926 return 0;
5927 }
5928
5929 #define GET_NET_STATS64(ctr) \
5930 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
5931 (unsigned long) (ctr##_lo)
5932
5933 #define GET_NET_STATS32(ctr) \
5934 (ctr##_lo)
5935
5936 #if (BITS_PER_LONG == 64)
5937 #define GET_NET_STATS GET_NET_STATS64
5938 #else
5939 #define GET_NET_STATS GET_NET_STATS32
5940 #endif
5941
5942 static struct net_device_stats *
5943 bnx2_get_stats(struct net_device *dev)
5944 {
5945 struct bnx2 *bp = netdev_priv(dev);
5946 struct statistics_block *stats_blk = bp->stats_blk;
5947 struct net_device_stats *net_stats = &bp->net_stats;
5948
5949 if (bp->stats_blk == NULL) {
5950 return net_stats;
5951 }
5952 net_stats->rx_packets =
5953 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5954 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5955 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5956
5957 net_stats->tx_packets =
5958 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5959 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5960 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5961
5962 net_stats->rx_bytes =
5963 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5964
5965 net_stats->tx_bytes =
5966 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5967
5968 net_stats->multicast =
5969 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5970
5971 net_stats->collisions =
5972 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5973
5974 net_stats->rx_length_errors =
5975 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5976 stats_blk->stat_EtherStatsOverrsizePkts);
5977
5978 net_stats->rx_over_errors =
5979 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5980
5981 net_stats->rx_frame_errors =
5982 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5983
5984 net_stats->rx_crc_errors =
5985 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5986
5987 net_stats->rx_errors = net_stats->rx_length_errors +
5988 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5989 net_stats->rx_crc_errors;
5990
5991 net_stats->tx_aborted_errors =
5992 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5993 stats_blk->stat_Dot3StatsLateCollisions);
5994
5995 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5996 (CHIP_ID(bp) == CHIP_ID_5708_A0))
5997 net_stats->tx_carrier_errors = 0;
5998 else {
5999 net_stats->tx_carrier_errors =
6000 (unsigned long)
6001 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6002 }
6003
6004 net_stats->tx_errors =
6005 (unsigned long)
6006 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6007 +
6008 net_stats->tx_aborted_errors +
6009 net_stats->tx_carrier_errors;
6010
6011 net_stats->rx_missed_errors =
6012 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6013 stats_blk->stat_FwRxDrop);
6014
6015 return net_stats;
6016 }
6017
6018 /* All ethtool functions called with rtnl_lock */
6019
6020 static int
6021 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6022 {
6023 struct bnx2 *bp = netdev_priv(dev);
6024 int support_serdes = 0, support_copper = 0;
6025
6026 cmd->supported = SUPPORTED_Autoneg;
6027 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6028 support_serdes = 1;
6029 support_copper = 1;
6030 } else if (bp->phy_port == PORT_FIBRE)
6031 support_serdes = 1;
6032 else
6033 support_copper = 1;
6034
6035 if (support_serdes) {
6036 cmd->supported |= SUPPORTED_1000baseT_Full |
6037 SUPPORTED_FIBRE;
6038 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6039 cmd->supported |= SUPPORTED_2500baseX_Full;
6040
6041 }
6042 if (support_copper) {
6043 cmd->supported |= SUPPORTED_10baseT_Half |
6044 SUPPORTED_10baseT_Full |
6045 SUPPORTED_100baseT_Half |
6046 SUPPORTED_100baseT_Full |
6047 SUPPORTED_1000baseT_Full |
6048 SUPPORTED_TP;
6049
6050 }
6051
6052 spin_lock_bh(&bp->phy_lock);
6053 cmd->port = bp->phy_port;
6054 cmd->advertising = bp->advertising;
6055
6056 if (bp->autoneg & AUTONEG_SPEED) {
6057 cmd->autoneg = AUTONEG_ENABLE;
6058 }
6059 else {
6060 cmd->autoneg = AUTONEG_DISABLE;
6061 }
6062
6063 if (netif_carrier_ok(dev)) {
6064 cmd->speed = bp->line_speed;
6065 cmd->duplex = bp->duplex;
6066 }
6067 else {
6068 cmd->speed = -1;
6069 cmd->duplex = -1;
6070 }
6071 spin_unlock_bh(&bp->phy_lock);
6072
6073 cmd->transceiver = XCVR_INTERNAL;
6074 cmd->phy_address = bp->phy_addr;
6075
6076 return 0;
6077 }
6078
6079 static int
6080 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6081 {
6082 struct bnx2 *bp = netdev_priv(dev);
6083 u8 autoneg = bp->autoneg;
6084 u8 req_duplex = bp->req_duplex;
6085 u16 req_line_speed = bp->req_line_speed;
6086 u32 advertising = bp->advertising;
6087 int err = -EINVAL;
6088
6089 spin_lock_bh(&bp->phy_lock);
6090
6091 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6092 goto err_out_unlock;
6093
6094 if (cmd->port != bp->phy_port &&
6095 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6096 goto err_out_unlock;
6097
6098 if (cmd->autoneg == AUTONEG_ENABLE) {
6099 autoneg |= AUTONEG_SPEED;
6100
6101 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6102
6103 /* allow advertising 1 speed */
6104 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6105 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6106 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6107 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6108
6109 if (cmd->port == PORT_FIBRE)
6110 goto err_out_unlock;
6111
6112 advertising = cmd->advertising;
6113
6114 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6115 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6116 (cmd->port == PORT_TP))
6117 goto err_out_unlock;
6118 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6119 advertising = cmd->advertising;
6120 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6121 goto err_out_unlock;
6122 else {
6123 if (cmd->port == PORT_FIBRE)
6124 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6125 else
6126 advertising = ETHTOOL_ALL_COPPER_SPEED;
6127 }
6128 advertising |= ADVERTISED_Autoneg;
6129 }
6130 else {
6131 if (cmd->port == PORT_FIBRE) {
6132 if ((cmd->speed != SPEED_1000 &&
6133 cmd->speed != SPEED_2500) ||
6134 (cmd->duplex != DUPLEX_FULL))
6135 goto err_out_unlock;
6136
6137 if (cmd->speed == SPEED_2500 &&
6138 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6139 goto err_out_unlock;
6140 }
6141 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6142 goto err_out_unlock;
6143
6144 autoneg &= ~AUTONEG_SPEED;
6145 req_line_speed = cmd->speed;
6146 req_duplex = cmd->duplex;
6147 advertising = 0;
6148 }
6149
6150 bp->autoneg = autoneg;
6151 bp->advertising = advertising;
6152 bp->req_line_speed = req_line_speed;
6153 bp->req_duplex = req_duplex;
6154
6155 err = bnx2_setup_phy(bp, cmd->port);
6156
6157 err_out_unlock:
6158 spin_unlock_bh(&bp->phy_lock);
6159
6160 return err;
6161 }
6162
6163 static void
6164 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6165 {
6166 struct bnx2 *bp = netdev_priv(dev);
6167
6168 strcpy(info->driver, DRV_MODULE_NAME);
6169 strcpy(info->version, DRV_MODULE_VERSION);
6170 strcpy(info->bus_info, pci_name(bp->pdev));
6171 strcpy(info->fw_version, bp->fw_version);
6172 }
6173
6174 #define BNX2_REGDUMP_LEN (32 * 1024)
6175
6176 static int
6177 bnx2_get_regs_len(struct net_device *dev)
6178 {
6179 return BNX2_REGDUMP_LEN;
6180 }
6181
6182 static void
6183 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6184 {
6185 u32 *p = _p, i, offset;
6186 u8 *orig_p = _p;
6187 struct bnx2 *bp = netdev_priv(dev);
6188 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6189 0x0800, 0x0880, 0x0c00, 0x0c10,
6190 0x0c30, 0x0d08, 0x1000, 0x101c,
6191 0x1040, 0x1048, 0x1080, 0x10a4,
6192 0x1400, 0x1490, 0x1498, 0x14f0,
6193 0x1500, 0x155c, 0x1580, 0x15dc,
6194 0x1600, 0x1658, 0x1680, 0x16d8,
6195 0x1800, 0x1820, 0x1840, 0x1854,
6196 0x1880, 0x1894, 0x1900, 0x1984,
6197 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6198 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6199 0x2000, 0x2030, 0x23c0, 0x2400,
6200 0x2800, 0x2820, 0x2830, 0x2850,
6201 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6202 0x3c00, 0x3c94, 0x4000, 0x4010,
6203 0x4080, 0x4090, 0x43c0, 0x4458,
6204 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6205 0x4fc0, 0x5010, 0x53c0, 0x5444,
6206 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6207 0x5fc0, 0x6000, 0x6400, 0x6428,
6208 0x6800, 0x6848, 0x684c, 0x6860,
6209 0x6888, 0x6910, 0x8000 };
6210
6211 regs->version = 0;
6212
6213 memset(p, 0, BNX2_REGDUMP_LEN);
6214
6215 if (!netif_running(bp->dev))
6216 return;
6217
6218 i = 0;
6219 offset = reg_boundaries[0];
6220 p += offset;
6221 while (offset < BNX2_REGDUMP_LEN) {
6222 *p++ = REG_RD(bp, offset);
6223 offset += 4;
6224 if (offset == reg_boundaries[i + 1]) {
6225 offset = reg_boundaries[i + 2];
6226 p = (u32 *) (orig_p + offset);
6227 i += 2;
6228 }
6229 }
6230 }
6231
6232 static void
6233 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6234 {
6235 struct bnx2 *bp = netdev_priv(dev);
6236
6237 if (bp->flags & BNX2_FLAG_NO_WOL) {
6238 wol->supported = 0;
6239 wol->wolopts = 0;
6240 }
6241 else {
6242 wol->supported = WAKE_MAGIC;
6243 if (bp->wol)
6244 wol->wolopts = WAKE_MAGIC;
6245 else
6246 wol->wolopts = 0;
6247 }
6248 memset(&wol->sopass, 0, sizeof(wol->sopass));
6249 }
6250
6251 static int
6252 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6253 {
6254 struct bnx2 *bp = netdev_priv(dev);
6255
6256 if (wol->wolopts & ~WAKE_MAGIC)
6257 return -EINVAL;
6258
6259 if (wol->wolopts & WAKE_MAGIC) {
6260 if (bp->flags & BNX2_FLAG_NO_WOL)
6261 return -EINVAL;
6262
6263 bp->wol = 1;
6264 }
6265 else {
6266 bp->wol = 0;
6267 }
6268 return 0;
6269 }
6270
6271 static int
6272 bnx2_nway_reset(struct net_device *dev)
6273 {
6274 struct bnx2 *bp = netdev_priv(dev);
6275 u32 bmcr;
6276
6277 if (!(bp->autoneg & AUTONEG_SPEED)) {
6278 return -EINVAL;
6279 }
6280
6281 spin_lock_bh(&bp->phy_lock);
6282
6283 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6284 int rc;
6285
6286 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6287 spin_unlock_bh(&bp->phy_lock);
6288 return rc;
6289 }
6290
6291 /* Force a link down visible on the other side */
6292 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6293 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6294 spin_unlock_bh(&bp->phy_lock);
6295
6296 msleep(20);
6297
6298 spin_lock_bh(&bp->phy_lock);
6299
6300 bp->current_interval = SERDES_AN_TIMEOUT;
6301 bp->serdes_an_pending = 1;
6302 mod_timer(&bp->timer, jiffies + bp->current_interval);
6303 }
6304
6305 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6306 bmcr &= ~BMCR_LOOPBACK;
6307 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6308
6309 spin_unlock_bh(&bp->phy_lock);
6310
6311 return 0;
6312 }
6313
6314 static int
6315 bnx2_get_eeprom_len(struct net_device *dev)
6316 {
6317 struct bnx2 *bp = netdev_priv(dev);
6318
6319 if (bp->flash_info == NULL)
6320 return 0;
6321
6322 return (int) bp->flash_size;
6323 }
6324
6325 static int
6326 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6327 u8 *eebuf)
6328 {
6329 struct bnx2 *bp = netdev_priv(dev);
6330 int rc;
6331
6332 /* parameters already validated in ethtool_get_eeprom */
6333
6334 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6335
6336 return rc;
6337 }
6338
6339 static int
6340 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6341 u8 *eebuf)
6342 {
6343 struct bnx2 *bp = netdev_priv(dev);
6344 int rc;
6345
6346 /* parameters already validated in ethtool_set_eeprom */
6347
6348 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6349
6350 return rc;
6351 }
6352
6353 static int
6354 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6355 {
6356 struct bnx2 *bp = netdev_priv(dev);
6357
6358 memset(coal, 0, sizeof(struct ethtool_coalesce));
6359
6360 coal->rx_coalesce_usecs = bp->rx_ticks;
6361 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6362 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6363 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6364
6365 coal->tx_coalesce_usecs = bp->tx_ticks;
6366 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6367 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6368 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6369
6370 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6371
6372 return 0;
6373 }
6374
6375 static int
6376 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6377 {
6378 struct bnx2 *bp = netdev_priv(dev);
6379
6380 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6381 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6382
6383 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6384 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6385
6386 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6387 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6388
6389 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6390 if (bp->rx_quick_cons_trip_int > 0xff)
6391 bp->rx_quick_cons_trip_int = 0xff;
6392
6393 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6394 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6395
6396 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6397 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6398
6399 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6400 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6401
6402 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6403 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6404 0xff;
6405
6406 bp->stats_ticks = coal->stats_block_coalesce_usecs;
6407 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6408 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6409 bp->stats_ticks = USEC_PER_SEC;
6410 }
6411 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6412 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6413 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6414
6415 if (netif_running(bp->dev)) {
6416 bnx2_netif_stop(bp);
6417 bnx2_init_nic(bp);
6418 bnx2_netif_start(bp);
6419 }
6420
6421 return 0;
6422 }
6423
6424 static void
6425 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6426 {
6427 struct bnx2 *bp = netdev_priv(dev);
6428
6429 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6430 ering->rx_mini_max_pending = 0;
6431 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6432
6433 ering->rx_pending = bp->rx_ring_size;
6434 ering->rx_mini_pending = 0;
6435 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6436
6437 ering->tx_max_pending = MAX_TX_DESC_CNT;
6438 ering->tx_pending = bp->tx_ring_size;
6439 }
6440
6441 static int
6442 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6443 {
6444 if (netif_running(bp->dev)) {
6445 bnx2_netif_stop(bp);
6446 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6447 bnx2_free_skbs(bp);
6448 bnx2_free_mem(bp);
6449 }
6450
6451 bnx2_set_rx_ring_size(bp, rx);
6452 bp->tx_ring_size = tx;
6453
6454 if (netif_running(bp->dev)) {
6455 int rc;
6456
6457 rc = bnx2_alloc_mem(bp);
6458 if (rc)
6459 return rc;
6460 bnx2_init_nic(bp);
6461 bnx2_netif_start(bp);
6462 }
6463 return 0;
6464 }
6465
6466 static int
6467 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6468 {
6469 struct bnx2 *bp = netdev_priv(dev);
6470 int rc;
6471
6472 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6473 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6474 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6475
6476 return -EINVAL;
6477 }
6478 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6479 return rc;
6480 }
6481
6482 static void
6483 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6484 {
6485 struct bnx2 *bp = netdev_priv(dev);
6486
6487 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6488 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6489 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6490 }
6491
6492 static int
6493 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6494 {
6495 struct bnx2 *bp = netdev_priv(dev);
6496
6497 bp->req_flow_ctrl = 0;
6498 if (epause->rx_pause)
6499 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6500 if (epause->tx_pause)
6501 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6502
6503 if (epause->autoneg) {
6504 bp->autoneg |= AUTONEG_FLOW_CTRL;
6505 }
6506 else {
6507 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6508 }
6509
6510 spin_lock_bh(&bp->phy_lock);
6511
6512 bnx2_setup_phy(bp, bp->phy_port);
6513
6514 spin_unlock_bh(&bp->phy_lock);
6515
6516 return 0;
6517 }
6518
6519 static u32
6520 bnx2_get_rx_csum(struct net_device *dev)
6521 {
6522 struct bnx2 *bp = netdev_priv(dev);
6523
6524 return bp->rx_csum;
6525 }
6526
6527 static int
6528 bnx2_set_rx_csum(struct net_device *dev, u32 data)
6529 {
6530 struct bnx2 *bp = netdev_priv(dev);
6531
6532 bp->rx_csum = data;
6533 return 0;
6534 }
6535
6536 static int
6537 bnx2_set_tso(struct net_device *dev, u32 data)
6538 {
6539 struct bnx2 *bp = netdev_priv(dev);
6540
6541 if (data) {
6542 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6543 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6544 dev->features |= NETIF_F_TSO6;
6545 } else
6546 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6547 NETIF_F_TSO_ECN);
6548 return 0;
6549 }
6550
6551 #define BNX2_NUM_STATS 46
6552
6553 static struct {
6554 char string[ETH_GSTRING_LEN];
6555 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6556 { "rx_bytes" },
6557 { "rx_error_bytes" },
6558 { "tx_bytes" },
6559 { "tx_error_bytes" },
6560 { "rx_ucast_packets" },
6561 { "rx_mcast_packets" },
6562 { "rx_bcast_packets" },
6563 { "tx_ucast_packets" },
6564 { "tx_mcast_packets" },
6565 { "tx_bcast_packets" },
6566 { "tx_mac_errors" },
6567 { "tx_carrier_errors" },
6568 { "rx_crc_errors" },
6569 { "rx_align_errors" },
6570 { "tx_single_collisions" },
6571 { "tx_multi_collisions" },
6572 { "tx_deferred" },
6573 { "tx_excess_collisions" },
6574 { "tx_late_collisions" },
6575 { "tx_total_collisions" },
6576 { "rx_fragments" },
6577 { "rx_jabbers" },
6578 { "rx_undersize_packets" },
6579 { "rx_oversize_packets" },
6580 { "rx_64_byte_packets" },
6581 { "rx_65_to_127_byte_packets" },
6582 { "rx_128_to_255_byte_packets" },
6583 { "rx_256_to_511_byte_packets" },
6584 { "rx_512_to_1023_byte_packets" },
6585 { "rx_1024_to_1522_byte_packets" },
6586 { "rx_1523_to_9022_byte_packets" },
6587 { "tx_64_byte_packets" },
6588 { "tx_65_to_127_byte_packets" },
6589 { "tx_128_to_255_byte_packets" },
6590 { "tx_256_to_511_byte_packets" },
6591 { "tx_512_to_1023_byte_packets" },
6592 { "tx_1024_to_1522_byte_packets" },
6593 { "tx_1523_to_9022_byte_packets" },
6594 { "rx_xon_frames" },
6595 { "rx_xoff_frames" },
6596 { "tx_xon_frames" },
6597 { "tx_xoff_frames" },
6598 { "rx_mac_ctrl_frames" },
6599 { "rx_filtered_packets" },
6600 { "rx_discards" },
6601 { "rx_fw_discards" },
6602 };
6603
6604 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6605
6606 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6607 STATS_OFFSET32(stat_IfHCInOctets_hi),
6608 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6609 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6610 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6611 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6612 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6613 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6614 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6615 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6616 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6617 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6618 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6619 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6620 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6621 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6622 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6623 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6624 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6625 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6626 STATS_OFFSET32(stat_EtherStatsCollisions),
6627 STATS_OFFSET32(stat_EtherStatsFragments),
6628 STATS_OFFSET32(stat_EtherStatsJabbers),
6629 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6630 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6631 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6632 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6633 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6634 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6635 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6636 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6637 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6638 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6639 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6640 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6641 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6642 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6643 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6644 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6645 STATS_OFFSET32(stat_XonPauseFramesReceived),
6646 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6647 STATS_OFFSET32(stat_OutXonSent),
6648 STATS_OFFSET32(stat_OutXoffSent),
6649 STATS_OFFSET32(stat_MacControlFramesReceived),
6650 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6651 STATS_OFFSET32(stat_IfInMBUFDiscards),
6652 STATS_OFFSET32(stat_FwRxDrop),
6653 };
6654
6655 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6656 * skipped because of errata.
6657 */
6658 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6659 8,0,8,8,8,8,8,8,8,8,
6660 4,0,4,4,4,4,4,4,4,4,
6661 4,4,4,4,4,4,4,4,4,4,
6662 4,4,4,4,4,4,4,4,4,4,
6663 4,4,4,4,4,4,
6664 };
6665
6666 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6667 8,0,8,8,8,8,8,8,8,8,
6668 4,4,4,4,4,4,4,4,4,4,
6669 4,4,4,4,4,4,4,4,4,4,
6670 4,4,4,4,4,4,4,4,4,4,
6671 4,4,4,4,4,4,
6672 };
6673
6674 #define BNX2_NUM_TESTS 6
6675
6676 static struct {
6677 char string[ETH_GSTRING_LEN];
6678 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6679 { "register_test (offline)" },
6680 { "memory_test (offline)" },
6681 { "loopback_test (offline)" },
6682 { "nvram_test (online)" },
6683 { "interrupt_test (online)" },
6684 { "link_test (online)" },
6685 };
6686
6687 static int
6688 bnx2_get_sset_count(struct net_device *dev, int sset)
6689 {
6690 switch (sset) {
6691 case ETH_SS_TEST:
6692 return BNX2_NUM_TESTS;
6693 case ETH_SS_STATS:
6694 return BNX2_NUM_STATS;
6695 default:
6696 return -EOPNOTSUPP;
6697 }
6698 }
6699
6700 static void
6701 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6702 {
6703 struct bnx2 *bp = netdev_priv(dev);
6704
6705 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6706 if (etest->flags & ETH_TEST_FL_OFFLINE) {
6707 int i;
6708
6709 bnx2_netif_stop(bp);
6710 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6711 bnx2_free_skbs(bp);
6712
6713 if (bnx2_test_registers(bp) != 0) {
6714 buf[0] = 1;
6715 etest->flags |= ETH_TEST_FL_FAILED;
6716 }
6717 if (bnx2_test_memory(bp) != 0) {
6718 buf[1] = 1;
6719 etest->flags |= ETH_TEST_FL_FAILED;
6720 }
6721 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6722 etest->flags |= ETH_TEST_FL_FAILED;
6723
6724 if (!netif_running(bp->dev)) {
6725 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6726 }
6727 else {
6728 bnx2_init_nic(bp);
6729 bnx2_netif_start(bp);
6730 }
6731
6732 /* wait for link up */
6733 for (i = 0; i < 7; i++) {
6734 if (bp->link_up)
6735 break;
6736 msleep_interruptible(1000);
6737 }
6738 }
6739
6740 if (bnx2_test_nvram(bp) != 0) {
6741 buf[3] = 1;
6742 etest->flags |= ETH_TEST_FL_FAILED;
6743 }
6744 if (bnx2_test_intr(bp) != 0) {
6745 buf[4] = 1;
6746 etest->flags |= ETH_TEST_FL_FAILED;
6747 }
6748
6749 if (bnx2_test_link(bp) != 0) {
6750 buf[5] = 1;
6751 etest->flags |= ETH_TEST_FL_FAILED;
6752
6753 }
6754 }
6755
6756 static void
6757 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6758 {
6759 switch (stringset) {
6760 case ETH_SS_STATS:
6761 memcpy(buf, bnx2_stats_str_arr,
6762 sizeof(bnx2_stats_str_arr));
6763 break;
6764 case ETH_SS_TEST:
6765 memcpy(buf, bnx2_tests_str_arr,
6766 sizeof(bnx2_tests_str_arr));
6767 break;
6768 }
6769 }
6770
6771 static void
6772 bnx2_get_ethtool_stats(struct net_device *dev,
6773 struct ethtool_stats *stats, u64 *buf)
6774 {
6775 struct bnx2 *bp = netdev_priv(dev);
6776 int i;
6777 u32 *hw_stats = (u32 *) bp->stats_blk;
6778 u8 *stats_len_arr = NULL;
6779
6780 if (hw_stats == NULL) {
6781 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6782 return;
6783 }
6784
6785 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6786 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6787 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6788 (CHIP_ID(bp) == CHIP_ID_5708_A0))
6789 stats_len_arr = bnx2_5706_stats_len_arr;
6790 else
6791 stats_len_arr = bnx2_5708_stats_len_arr;
6792
6793 for (i = 0; i < BNX2_NUM_STATS; i++) {
6794 if (stats_len_arr[i] == 0) {
6795 /* skip this counter */
6796 buf[i] = 0;
6797 continue;
6798 }
6799 if (stats_len_arr[i] == 4) {
6800 /* 4-byte counter */
6801 buf[i] = (u64)
6802 *(hw_stats + bnx2_stats_offset_arr[i]);
6803 continue;
6804 }
6805 /* 8-byte counter */
6806 buf[i] = (((u64) *(hw_stats +
6807 bnx2_stats_offset_arr[i])) << 32) +
6808 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6809 }
6810 }
6811
6812 static int
6813 bnx2_phys_id(struct net_device *dev, u32 data)
6814 {
6815 struct bnx2 *bp = netdev_priv(dev);
6816 int i;
6817 u32 save;
6818
6819 if (data == 0)
6820 data = 2;
6821
6822 save = REG_RD(bp, BNX2_MISC_CFG);
6823 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6824
6825 for (i = 0; i < (data * 2); i++) {
6826 if ((i % 2) == 0) {
6827 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6828 }
6829 else {
6830 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6831 BNX2_EMAC_LED_1000MB_OVERRIDE |
6832 BNX2_EMAC_LED_100MB_OVERRIDE |
6833 BNX2_EMAC_LED_10MB_OVERRIDE |
6834 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6835 BNX2_EMAC_LED_TRAFFIC);
6836 }
6837 msleep_interruptible(500);
6838 if (signal_pending(current))
6839 break;
6840 }
6841 REG_WR(bp, BNX2_EMAC_LED, 0);
6842 REG_WR(bp, BNX2_MISC_CFG, save);
6843 return 0;
6844 }
6845
6846 static int
6847 bnx2_set_tx_csum(struct net_device *dev, u32 data)
6848 {
6849 struct bnx2 *bp = netdev_priv(dev);
6850
6851 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6852 return (ethtool_op_set_tx_ipv6_csum(dev, data));
6853 else
6854 return (ethtool_op_set_tx_csum(dev, data));
6855 }
6856
6857 static const struct ethtool_ops bnx2_ethtool_ops = {
6858 .get_settings = bnx2_get_settings,
6859 .set_settings = bnx2_set_settings,
6860 .get_drvinfo = bnx2_get_drvinfo,
6861 .get_regs_len = bnx2_get_regs_len,
6862 .get_regs = bnx2_get_regs,
6863 .get_wol = bnx2_get_wol,
6864 .set_wol = bnx2_set_wol,
6865 .nway_reset = bnx2_nway_reset,
6866 .get_link = ethtool_op_get_link,
6867 .get_eeprom_len = bnx2_get_eeprom_len,
6868 .get_eeprom = bnx2_get_eeprom,
6869 .set_eeprom = bnx2_set_eeprom,
6870 .get_coalesce = bnx2_get_coalesce,
6871 .set_coalesce = bnx2_set_coalesce,
6872 .get_ringparam = bnx2_get_ringparam,
6873 .set_ringparam = bnx2_set_ringparam,
6874 .get_pauseparam = bnx2_get_pauseparam,
6875 .set_pauseparam = bnx2_set_pauseparam,
6876 .get_rx_csum = bnx2_get_rx_csum,
6877 .set_rx_csum = bnx2_set_rx_csum,
6878 .set_tx_csum = bnx2_set_tx_csum,
6879 .set_sg = ethtool_op_set_sg,
6880 .set_tso = bnx2_set_tso,
6881 .self_test = bnx2_self_test,
6882 .get_strings = bnx2_get_strings,
6883 .phys_id = bnx2_phys_id,
6884 .get_ethtool_stats = bnx2_get_ethtool_stats,
6885 .get_sset_count = bnx2_get_sset_count,
6886 };
6887
6888 /* Called with rtnl_lock */
6889 static int
6890 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6891 {
6892 struct mii_ioctl_data *data = if_mii(ifr);
6893 struct bnx2 *bp = netdev_priv(dev);
6894 int err;
6895
6896 switch(cmd) {
6897 case SIOCGMIIPHY:
6898 data->phy_id = bp->phy_addr;
6899
6900 /* fallthru */
6901 case SIOCGMIIREG: {
6902 u32 mii_regval;
6903
6904 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6905 return -EOPNOTSUPP;
6906
6907 if (!netif_running(dev))
6908 return -EAGAIN;
6909
6910 spin_lock_bh(&bp->phy_lock);
6911 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6912 spin_unlock_bh(&bp->phy_lock);
6913
6914 data->val_out = mii_regval;
6915
6916 return err;
6917 }
6918
6919 case SIOCSMIIREG:
6920 if (!capable(CAP_NET_ADMIN))
6921 return -EPERM;
6922
6923 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6924 return -EOPNOTSUPP;
6925
6926 if (!netif_running(dev))
6927 return -EAGAIN;
6928
6929 spin_lock_bh(&bp->phy_lock);
6930 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6931 spin_unlock_bh(&bp->phy_lock);
6932
6933 return err;
6934
6935 default:
6936 /* do nothing */
6937 break;
6938 }
6939 return -EOPNOTSUPP;
6940 }
6941
6942 /* Called with rtnl_lock */
6943 static int
6944 bnx2_change_mac_addr(struct net_device *dev, void *p)
6945 {
6946 struct sockaddr *addr = p;
6947 struct bnx2 *bp = netdev_priv(dev);
6948
6949 if (!is_valid_ether_addr(addr->sa_data))
6950 return -EINVAL;
6951
6952 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6953 if (netif_running(dev))
6954 bnx2_set_mac_addr(bp);
6955
6956 return 0;
6957 }
6958
6959 /* Called with rtnl_lock */
6960 static int
6961 bnx2_change_mtu(struct net_device *dev, int new_mtu)
6962 {
6963 struct bnx2 *bp = netdev_priv(dev);
6964
6965 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6966 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6967 return -EINVAL;
6968
6969 dev->mtu = new_mtu;
6970 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
6971 }
6972
6973 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6974 static void
6975 poll_bnx2(struct net_device *dev)
6976 {
6977 struct bnx2 *bp = netdev_priv(dev);
6978
6979 disable_irq(bp->pdev->irq);
6980 bnx2_interrupt(bp->pdev->irq, dev);
6981 enable_irq(bp->pdev->irq);
6982 }
6983 #endif
6984
6985 static void __devinit
6986 bnx2_get_5709_media(struct bnx2 *bp)
6987 {
6988 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6989 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6990 u32 strap;
6991
6992 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6993 return;
6994 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
6995 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6996 return;
6997 }
6998
6999 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7000 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7001 else
7002 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7003
7004 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7005 switch (strap) {
7006 case 0x4:
7007 case 0x5:
7008 case 0x6:
7009 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7010 return;
7011 }
7012 } else {
7013 switch (strap) {
7014 case 0x1:
7015 case 0x2:
7016 case 0x4:
7017 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7018 return;
7019 }
7020 }
7021 }
7022
7023 static void __devinit
7024 bnx2_get_pci_speed(struct bnx2 *bp)
7025 {
7026 u32 reg;
7027
7028 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7029 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7030 u32 clkreg;
7031
7032 bp->flags |= BNX2_FLAG_PCIX;
7033
7034 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7035
7036 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7037 switch (clkreg) {
7038 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7039 bp->bus_speed_mhz = 133;
7040 break;
7041
7042 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7043 bp->bus_speed_mhz = 100;
7044 break;
7045
7046 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7047 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7048 bp->bus_speed_mhz = 66;
7049 break;
7050
7051 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7052 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7053 bp->bus_speed_mhz = 50;
7054 break;
7055
7056 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7057 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7058 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7059 bp->bus_speed_mhz = 33;
7060 break;
7061 }
7062 }
7063 else {
7064 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7065 bp->bus_speed_mhz = 66;
7066 else
7067 bp->bus_speed_mhz = 33;
7068 }
7069
7070 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7071 bp->flags |= BNX2_FLAG_PCI_32BIT;
7072
7073 }
7074
7075 static int __devinit
7076 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7077 {
7078 struct bnx2 *bp;
7079 unsigned long mem_len;
7080 int rc, i, j;
7081 u32 reg;
7082 u64 dma_mask, persist_dma_mask;
7083
7084 SET_NETDEV_DEV(dev, &pdev->dev);
7085 bp = netdev_priv(dev);
7086
7087 bp->flags = 0;
7088 bp->phy_flags = 0;
7089
7090 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7091 rc = pci_enable_device(pdev);
7092 if (rc) {
7093 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7094 goto err_out;
7095 }
7096
7097 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7098 dev_err(&pdev->dev,
7099 "Cannot find PCI device base address, aborting.\n");
7100 rc = -ENODEV;
7101 goto err_out_disable;
7102 }
7103
7104 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7105 if (rc) {
7106 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7107 goto err_out_disable;
7108 }
7109
7110 pci_set_master(pdev);
7111
7112 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7113 if (bp->pm_cap == 0) {
7114 dev_err(&pdev->dev,
7115 "Cannot find power management capability, aborting.\n");
7116 rc = -EIO;
7117 goto err_out_release;
7118 }
7119
7120 bp->dev = dev;
7121 bp->pdev = pdev;
7122
7123 spin_lock_init(&bp->phy_lock);
7124 spin_lock_init(&bp->indirect_lock);
7125 INIT_WORK(&bp->reset_task, bnx2_reset_task);
7126
7127 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7128 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
7129 dev->mem_end = dev->mem_start + mem_len;
7130 dev->irq = pdev->irq;
7131
7132 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7133
7134 if (!bp->regview) {
7135 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7136 rc = -ENOMEM;
7137 goto err_out_release;
7138 }
7139
7140 /* Configure byte swap and enable write to the reg_window registers.
7141 * Rely on CPU to do target byte swapping on big endian systems
7142 * The chip's target access swapping will not swap all accesses
7143 */
7144 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7145 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7146 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7147
7148 bnx2_set_power_state(bp, PCI_D0);
7149
7150 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7151
7152 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7153 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7154 dev_err(&pdev->dev,
7155 "Cannot find PCIE capability, aborting.\n");
7156 rc = -EIO;
7157 goto err_out_unmap;
7158 }
7159 bp->flags |= BNX2_FLAG_PCIE;
7160 if (CHIP_REV(bp) == CHIP_REV_Ax)
7161 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7162 } else {
7163 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7164 if (bp->pcix_cap == 0) {
7165 dev_err(&pdev->dev,
7166 "Cannot find PCIX capability, aborting.\n");
7167 rc = -EIO;
7168 goto err_out_unmap;
7169 }
7170 }
7171
7172 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7173 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7174 bp->flags |= BNX2_FLAG_MSIX_CAP;
7175 }
7176
7177 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7178 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7179 bp->flags |= BNX2_FLAG_MSI_CAP;
7180 }
7181
7182 /* 5708 cannot support DMA addresses > 40-bit. */
7183 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7184 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7185 else
7186 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7187
7188 /* Configure DMA attributes. */
7189 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7190 dev->features |= NETIF_F_HIGHDMA;
7191 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7192 if (rc) {
7193 dev_err(&pdev->dev,
7194 "pci_set_consistent_dma_mask failed, aborting.\n");
7195 goto err_out_unmap;
7196 }
7197 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7198 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7199 goto err_out_unmap;
7200 }
7201
7202 if (!(bp->flags & BNX2_FLAG_PCIE))
7203 bnx2_get_pci_speed(bp);
7204
7205 /* 5706A0 may falsely detect SERR and PERR. */
7206 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7207 reg = REG_RD(bp, PCI_COMMAND);
7208 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7209 REG_WR(bp, PCI_COMMAND, reg);
7210 }
7211 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7212 !(bp->flags & BNX2_FLAG_PCIX)) {
7213
7214 dev_err(&pdev->dev,
7215 "5706 A1 can only be used in a PCIX bus, aborting.\n");
7216 goto err_out_unmap;
7217 }
7218
7219 bnx2_init_nvram(bp);
7220
7221 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7222
7223 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7224 BNX2_SHM_HDR_SIGNATURE_SIG) {
7225 u32 off = PCI_FUNC(pdev->devfn) << 2;
7226
7227 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7228 } else
7229 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7230
7231 /* Get the permanent MAC address. First we need to make sure the
7232 * firmware is actually running.
7233 */
7234 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7235
7236 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7237 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7238 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7239 rc = -ENODEV;
7240 goto err_out_unmap;
7241 }
7242
7243 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7244 for (i = 0, j = 0; i < 3; i++) {
7245 u8 num, k, skip0;
7246
7247 num = (u8) (reg >> (24 - (i * 8)));
7248 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7249 if (num >= k || !skip0 || k == 1) {
7250 bp->fw_version[j++] = (num / k) + '0';
7251 skip0 = 0;
7252 }
7253 }
7254 if (i != 2)
7255 bp->fw_version[j++] = '.';
7256 }
7257 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7258 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7259 bp->wol = 1;
7260
7261 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7262 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7263
7264 for (i = 0; i < 30; i++) {
7265 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7266 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7267 break;
7268 msleep(10);
7269 }
7270 }
7271 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7272 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7273 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7274 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7275 int i;
7276 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7277
7278 bp->fw_version[j++] = ' ';
7279 for (i = 0; i < 3; i++) {
7280 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7281 reg = swab32(reg);
7282 memcpy(&bp->fw_version[j], &reg, 4);
7283 j += 4;
7284 }
7285 }
7286
7287 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7288 bp->mac_addr[0] = (u8) (reg >> 8);
7289 bp->mac_addr[1] = (u8) reg;
7290
7291 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7292 bp->mac_addr[2] = (u8) (reg >> 24);
7293 bp->mac_addr[3] = (u8) (reg >> 16);
7294 bp->mac_addr[4] = (u8) (reg >> 8);
7295 bp->mac_addr[5] = (u8) reg;
7296
7297 bp->rx_offset = sizeof(struct l2_fhdr) + 2;
7298
7299 bp->tx_ring_size = MAX_TX_DESC_CNT;
7300 bnx2_set_rx_ring_size(bp, 255);
7301
7302 bp->rx_csum = 1;
7303
7304 bp->tx_quick_cons_trip_int = 20;
7305 bp->tx_quick_cons_trip = 20;
7306 bp->tx_ticks_int = 80;
7307 bp->tx_ticks = 80;
7308
7309 bp->rx_quick_cons_trip_int = 6;
7310 bp->rx_quick_cons_trip = 6;
7311 bp->rx_ticks_int = 18;
7312 bp->rx_ticks = 18;
7313
7314 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7315
7316 bp->timer_interval = HZ;
7317 bp->current_interval = HZ;
7318
7319 bp->phy_addr = 1;
7320
7321 /* Disable WOL support if we are running on a SERDES chip. */
7322 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7323 bnx2_get_5709_media(bp);
7324 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7325 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7326
7327 bp->phy_port = PORT_TP;
7328 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7329 bp->phy_port = PORT_FIBRE;
7330 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7331 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7332 bp->flags |= BNX2_FLAG_NO_WOL;
7333 bp->wol = 0;
7334 }
7335 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7336 /* Don't do parallel detect on this board because of
7337 * some board problems. The link will not go down
7338 * if we do parallel detect.
7339 */
7340 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7341 pdev->subsystem_device == 0x310c)
7342 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7343 } else {
7344 bp->phy_addr = 2;
7345 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7346 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7347 }
7348 bnx2_init_remote_phy(bp);
7349
7350 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7351 CHIP_NUM(bp) == CHIP_NUM_5708)
7352 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7353 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7354 (CHIP_REV(bp) == CHIP_REV_Ax ||
7355 CHIP_REV(bp) == CHIP_REV_Bx))
7356 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7357
7358 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7359 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7360 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7361 bp->flags |= BNX2_FLAG_NO_WOL;
7362 bp->wol = 0;
7363 }
7364
7365 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7366 bp->tx_quick_cons_trip_int =
7367 bp->tx_quick_cons_trip;
7368 bp->tx_ticks_int = bp->tx_ticks;
7369 bp->rx_quick_cons_trip_int =
7370 bp->rx_quick_cons_trip;
7371 bp->rx_ticks_int = bp->rx_ticks;
7372 bp->comp_prod_trip_int = bp->comp_prod_trip;
7373 bp->com_ticks_int = bp->com_ticks;
7374 bp->cmd_ticks_int = bp->cmd_ticks;
7375 }
7376
7377 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7378 *
7379 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7380 * with byte enables disabled on the unused 32-bit word. This is legal
7381 * but causes problems on the AMD 8132 which will eventually stop
7382 * responding after a while.
7383 *
7384 * AMD believes this incompatibility is unique to the 5706, and
7385 * prefers to locally disable MSI rather than globally disabling it.
7386 */
7387 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7388 struct pci_dev *amd_8132 = NULL;
7389
7390 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7391 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7392 amd_8132))) {
7393
7394 if (amd_8132->revision >= 0x10 &&
7395 amd_8132->revision <= 0x13) {
7396 disable_msi = 1;
7397 pci_dev_put(amd_8132);
7398 break;
7399 }
7400 }
7401 }
7402
7403 bnx2_set_default_link(bp);
7404 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7405
7406 init_timer(&bp->timer);
7407 bp->timer.expires = RUN_AT(bp->timer_interval);
7408 bp->timer.data = (unsigned long) bp;
7409 bp->timer.function = bnx2_timer;
7410
7411 return 0;
7412
7413 err_out_unmap:
7414 if (bp->regview) {
7415 iounmap(bp->regview);
7416 bp->regview = NULL;
7417 }
7418
7419 err_out_release:
7420 pci_release_regions(pdev);
7421
7422 err_out_disable:
7423 pci_disable_device(pdev);
7424 pci_set_drvdata(pdev, NULL);
7425
7426 err_out:
7427 return rc;
7428 }
7429
7430 static char * __devinit
7431 bnx2_bus_string(struct bnx2 *bp, char *str)
7432 {
7433 char *s = str;
7434
7435 if (bp->flags & BNX2_FLAG_PCIE) {
7436 s += sprintf(s, "PCI Express");
7437 } else {
7438 s += sprintf(s, "PCI");
7439 if (bp->flags & BNX2_FLAG_PCIX)
7440 s += sprintf(s, "-X");
7441 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7442 s += sprintf(s, " 32-bit");
7443 else
7444 s += sprintf(s, " 64-bit");
7445 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7446 }
7447 return str;
7448 }
7449
7450 static void __devinit
7451 bnx2_init_napi(struct bnx2 *bp)
7452 {
7453 int i;
7454 struct bnx2_napi *bnapi;
7455
7456 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7457 bnapi = &bp->bnx2_napi[i];
7458 bnapi->bp = bp;
7459 }
7460 netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
7461 netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
7462 64);
7463 }
7464
7465 static int __devinit
7466 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7467 {
7468 static int version_printed = 0;
7469 struct net_device *dev = NULL;
7470 struct bnx2 *bp;
7471 int rc;
7472 char str[40];
7473 DECLARE_MAC_BUF(mac);
7474
7475 if (version_printed++ == 0)
7476 printk(KERN_INFO "%s", version);
7477
7478 /* dev zeroed in init_etherdev */
7479 dev = alloc_etherdev(sizeof(*bp));
7480
7481 if (!dev)
7482 return -ENOMEM;
7483
7484 rc = bnx2_init_board(pdev, dev);
7485 if (rc < 0) {
7486 free_netdev(dev);
7487 return rc;
7488 }
7489
7490 dev->open = bnx2_open;
7491 dev->hard_start_xmit = bnx2_start_xmit;
7492 dev->stop = bnx2_close;
7493 dev->get_stats = bnx2_get_stats;
7494 dev->set_multicast_list = bnx2_set_rx_mode;
7495 dev->do_ioctl = bnx2_ioctl;
7496 dev->set_mac_address = bnx2_change_mac_addr;
7497 dev->change_mtu = bnx2_change_mtu;
7498 dev->tx_timeout = bnx2_tx_timeout;
7499 dev->watchdog_timeo = TX_TIMEOUT;
7500 #ifdef BCM_VLAN
7501 dev->vlan_rx_register = bnx2_vlan_rx_register;
7502 #endif
7503 dev->ethtool_ops = &bnx2_ethtool_ops;
7504
7505 bp = netdev_priv(dev);
7506 bnx2_init_napi(bp);
7507
7508 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7509 dev->poll_controller = poll_bnx2;
7510 #endif
7511
7512 pci_set_drvdata(pdev, dev);
7513
7514 memcpy(dev->dev_addr, bp->mac_addr, 6);
7515 memcpy(dev->perm_addr, bp->mac_addr, 6);
7516 bp->name = board_info[ent->driver_data].name;
7517
7518 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7519 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7520 dev->features |= NETIF_F_IPV6_CSUM;
7521
7522 #ifdef BCM_VLAN
7523 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7524 #endif
7525 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7526 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7527 dev->features |= NETIF_F_TSO6;
7528
7529 if ((rc = register_netdev(dev))) {
7530 dev_err(&pdev->dev, "Cannot register net device\n");
7531 if (bp->regview)
7532 iounmap(bp->regview);
7533 pci_release_regions(pdev);
7534 pci_disable_device(pdev);
7535 pci_set_drvdata(pdev, NULL);
7536 free_netdev(dev);
7537 return rc;
7538 }
7539
7540 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7541 "IRQ %d, node addr %s\n",
7542 dev->name,
7543 bp->name,
7544 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7545 ((CHIP_ID(bp) & 0x0ff0) >> 4),
7546 bnx2_bus_string(bp, str),
7547 dev->base_addr,
7548 bp->pdev->irq, print_mac(mac, dev->dev_addr));
7549
7550 return 0;
7551 }
7552
7553 static void __devexit
7554 bnx2_remove_one(struct pci_dev *pdev)
7555 {
7556 struct net_device *dev = pci_get_drvdata(pdev);
7557 struct bnx2 *bp = netdev_priv(dev);
7558
7559 flush_scheduled_work();
7560
7561 unregister_netdev(dev);
7562
7563 if (bp->regview)
7564 iounmap(bp->regview);
7565
7566 free_netdev(dev);
7567 pci_release_regions(pdev);
7568 pci_disable_device(pdev);
7569 pci_set_drvdata(pdev, NULL);
7570 }
7571
7572 static int
7573 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7574 {
7575 struct net_device *dev = pci_get_drvdata(pdev);
7576 struct bnx2 *bp = netdev_priv(dev);
7577 u32 reset_code;
7578
7579 /* PCI register 4 needs to be saved whether netif_running() or not.
7580 * MSI address and data need to be saved if using MSI and
7581 * netif_running().
7582 */
7583 pci_save_state(pdev);
7584 if (!netif_running(dev))
7585 return 0;
7586
7587 flush_scheduled_work();
7588 bnx2_netif_stop(bp);
7589 netif_device_detach(dev);
7590 del_timer_sync(&bp->timer);
7591 if (bp->flags & BNX2_FLAG_NO_WOL)
7592 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
7593 else if (bp->wol)
7594 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7595 else
7596 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7597 bnx2_reset_chip(bp, reset_code);
7598 bnx2_free_skbs(bp);
7599 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7600 return 0;
7601 }
7602
7603 static int
7604 bnx2_resume(struct pci_dev *pdev)
7605 {
7606 struct net_device *dev = pci_get_drvdata(pdev);
7607 struct bnx2 *bp = netdev_priv(dev);
7608
7609 pci_restore_state(pdev);
7610 if (!netif_running(dev))
7611 return 0;
7612
7613 bnx2_set_power_state(bp, PCI_D0);
7614 netif_device_attach(dev);
7615 bnx2_init_nic(bp);
7616 bnx2_netif_start(bp);
7617 return 0;
7618 }
7619
7620 static struct pci_driver bnx2_pci_driver = {
7621 .name = DRV_MODULE_NAME,
7622 .id_table = bnx2_pci_tbl,
7623 .probe = bnx2_init_one,
7624 .remove = __devexit_p(bnx2_remove_one),
7625 .suspend = bnx2_suspend,
7626 .resume = bnx2_resume,
7627 };
7628
7629 static int __init bnx2_init(void)
7630 {
7631 return pci_register_driver(&bnx2_pci_driver);
7632 }
7633
7634 static void __exit bnx2_cleanup(void)
7635 {
7636 pci_unregister_driver(&bnx2_pci_driver);
7637 }
7638
7639 module_init(bnx2_init);
7640 module_exit(bnx2_cleanup);
7641
7642
7643
Support for the Chinese Samsung S3C2440 based development boards