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sched: make early bootup sched_clock() use safer
[wrt350n-kernel.git] / drivers / net / bnx2.c
blob15853be4680ae93a1f8c2904c3d41c72d3ca345d
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 "1.7.4"
60 #define DRV_MODULE_RELDATE "February 18, 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 return bnx2_set_default_remote_link(bp);
1636
1637 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1638 bp->req_line_speed = 0;
1639 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1640 u32 reg;
1641
1642 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1643
1644 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1645 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1646 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1647 bp->autoneg = 0;
1648 bp->req_line_speed = bp->line_speed = SPEED_1000;
1649 bp->req_duplex = DUPLEX_FULL;
1650 }
1651 } else
1652 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1653 }
1654
1655 static void
1656 bnx2_send_heart_beat(struct bnx2 *bp)
1657 {
1658 u32 msg;
1659 u32 addr;
1660
1661 spin_lock(&bp->indirect_lock);
1662 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1663 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1664 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1665 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1666 spin_unlock(&bp->indirect_lock);
1667 }
1668
1669 static void
1670 bnx2_remote_phy_event(struct bnx2 *bp)
1671 {
1672 u32 msg;
1673 u8 link_up = bp->link_up;
1674 u8 old_port;
1675
1676 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1677
1678 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1679 bnx2_send_heart_beat(bp);
1680
1681 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1682
1683 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1684 bp->link_up = 0;
1685 else {
1686 u32 speed;
1687
1688 bp->link_up = 1;
1689 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1690 bp->duplex = DUPLEX_FULL;
1691 switch (speed) {
1692 case BNX2_LINK_STATUS_10HALF:
1693 bp->duplex = DUPLEX_HALF;
1694 case BNX2_LINK_STATUS_10FULL:
1695 bp->line_speed = SPEED_10;
1696 break;
1697 case BNX2_LINK_STATUS_100HALF:
1698 bp->duplex = DUPLEX_HALF;
1699 case BNX2_LINK_STATUS_100BASE_T4:
1700 case BNX2_LINK_STATUS_100FULL:
1701 bp->line_speed = SPEED_100;
1702 break;
1703 case BNX2_LINK_STATUS_1000HALF:
1704 bp->duplex = DUPLEX_HALF;
1705 case BNX2_LINK_STATUS_1000FULL:
1706 bp->line_speed = SPEED_1000;
1707 break;
1708 case BNX2_LINK_STATUS_2500HALF:
1709 bp->duplex = DUPLEX_HALF;
1710 case BNX2_LINK_STATUS_2500FULL:
1711 bp->line_speed = SPEED_2500;
1712 break;
1713 default:
1714 bp->line_speed = 0;
1715 break;
1716 }
1717
1718 spin_lock(&bp->phy_lock);
1719 bp->flow_ctrl = 0;
1720 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1721 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1722 if (bp->duplex == DUPLEX_FULL)
1723 bp->flow_ctrl = bp->req_flow_ctrl;
1724 } else {
1725 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1726 bp->flow_ctrl |= FLOW_CTRL_TX;
1727 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1728 bp->flow_ctrl |= FLOW_CTRL_RX;
1729 }
1730
1731 old_port = bp->phy_port;
1732 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1733 bp->phy_port = PORT_FIBRE;
1734 else
1735 bp->phy_port = PORT_TP;
1736
1737 if (old_port != bp->phy_port)
1738 bnx2_set_default_link(bp);
1739
1740 spin_unlock(&bp->phy_lock);
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 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2226 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2227 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2228 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2229 (u64) bp->ctx_blk_mapping[i] >> 32);
2230 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2231 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2232 for (j = 0; j < 10; j++) {
2233
2234 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2235 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2236 break;
2237 udelay(5);
2238 }
2239 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2240 ret = -EBUSY;
2241 break;
2242 }
2243 }
2244 return ret;
2245 }
2246
2247 static void
2248 bnx2_init_context(struct bnx2 *bp)
2249 {
2250 u32 vcid;
2251
2252 vcid = 96;
2253 while (vcid) {
2254 u32 vcid_addr, pcid_addr, offset;
2255 int i;
2256
2257 vcid--;
2258
2259 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2260 u32 new_vcid;
2261
2262 vcid_addr = GET_PCID_ADDR(vcid);
2263 if (vcid & 0x8) {
2264 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2265 }
2266 else {
2267 new_vcid = vcid;
2268 }
2269 pcid_addr = GET_PCID_ADDR(new_vcid);
2270 }
2271 else {
2272 vcid_addr = GET_CID_ADDR(vcid);
2273 pcid_addr = vcid_addr;
2274 }
2275
2276 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2277 vcid_addr += (i << PHY_CTX_SHIFT);
2278 pcid_addr += (i << PHY_CTX_SHIFT);
2279
2280 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2281 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2282
2283 /* Zero out the context. */
2284 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2285 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2286 }
2287 }
2288 }
2289
2290 static int
2291 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2292 {
2293 u16 *good_mbuf;
2294 u32 good_mbuf_cnt;
2295 u32 val;
2296
2297 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2298 if (good_mbuf == NULL) {
2299 printk(KERN_ERR PFX "Failed to allocate memory in "
2300 "bnx2_alloc_bad_rbuf\n");
2301 return -ENOMEM;
2302 }
2303
2304 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2305 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2306
2307 good_mbuf_cnt = 0;
2308
2309 /* Allocate a bunch of mbufs and save the good ones in an array. */
2310 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2311 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2312 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2313 BNX2_RBUF_COMMAND_ALLOC_REQ);
2314
2315 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2316
2317 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2318
2319 /* The addresses with Bit 9 set are bad memory blocks. */
2320 if (!(val & (1 << 9))) {
2321 good_mbuf[good_mbuf_cnt] = (u16) val;
2322 good_mbuf_cnt++;
2323 }
2324
2325 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2326 }
2327
2328 /* Free the good ones back to the mbuf pool thus discarding
2329 * all the bad ones. */
2330 while (good_mbuf_cnt) {
2331 good_mbuf_cnt--;
2332
2333 val = good_mbuf[good_mbuf_cnt];
2334 val = (val << 9) | val | 1;
2335
2336 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2337 }
2338 kfree(good_mbuf);
2339 return 0;
2340 }
2341
2342 static void
2343 bnx2_set_mac_addr(struct bnx2 *bp)
2344 {
2345 u32 val;
2346 u8 *mac_addr = bp->dev->dev_addr;
2347
2348 val = (mac_addr[0] << 8) | mac_addr[1];
2349
2350 REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2351
2352 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2353 (mac_addr[4] << 8) | mac_addr[5];
2354
2355 REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2356 }
2357
2358 static inline int
2359 bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
2360 {
2361 dma_addr_t mapping;
2362 struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2363 struct rx_bd *rxbd =
2364 &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2365 struct page *page = alloc_page(GFP_ATOMIC);
2366
2367 if (!page)
2368 return -ENOMEM;
2369 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2370 PCI_DMA_FROMDEVICE);
2371 rx_pg->page = page;
2372 pci_unmap_addr_set(rx_pg, mapping, mapping);
2373 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2374 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2375 return 0;
2376 }
2377
2378 static void
2379 bnx2_free_rx_page(struct bnx2 *bp, u16 index)
2380 {
2381 struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2382 struct page *page = rx_pg->page;
2383
2384 if (!page)
2385 return;
2386
2387 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2388 PCI_DMA_FROMDEVICE);
2389
2390 __free_page(page);
2391 rx_pg->page = NULL;
2392 }
2393
2394 static inline int
2395 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
2396 {
2397 struct sk_buff *skb;
2398 struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
2399 dma_addr_t mapping;
2400 struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2401 unsigned long align;
2402
2403 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2404 if (skb == NULL) {
2405 return -ENOMEM;
2406 }
2407
2408 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2409 skb_reserve(skb, BNX2_RX_ALIGN - align);
2410
2411 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2412 PCI_DMA_FROMDEVICE);
2413
2414 rx_buf->skb = skb;
2415 pci_unmap_addr_set(rx_buf, mapping, mapping);
2416
2417 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2418 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2419
2420 bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2421
2422 return 0;
2423 }
2424
2425 static int
2426 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2427 {
2428 struct status_block *sblk = bnapi->status_blk;
2429 u32 new_link_state, old_link_state;
2430 int is_set = 1;
2431
2432 new_link_state = sblk->status_attn_bits & event;
2433 old_link_state = sblk->status_attn_bits_ack & event;
2434 if (new_link_state != old_link_state) {
2435 if (new_link_state)
2436 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2437 else
2438 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2439 } else
2440 is_set = 0;
2441
2442 return is_set;
2443 }
2444
2445 static void
2446 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2447 {
2448 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) {
2449 spin_lock(&bp->phy_lock);
2450 bnx2_set_link(bp);
2451 spin_unlock(&bp->phy_lock);
2452 }
2453 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2454 bnx2_set_remote_link(bp);
2455
2456 }
2457
2458 static inline u16
2459 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2460 {
2461 u16 cons;
2462
2463 if (bnapi->int_num == 0)
2464 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
2465 else
2466 cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
2467
2468 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2469 cons++;
2470 return cons;
2471 }
2472
2473 static int
2474 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2475 {
2476 u16 hw_cons, sw_cons, sw_ring_cons;
2477 int tx_pkt = 0;
2478
2479 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2480 sw_cons = bnapi->tx_cons;
2481
2482 while (sw_cons != hw_cons) {
2483 struct sw_bd *tx_buf;
2484 struct sk_buff *skb;
2485 int i, last;
2486
2487 sw_ring_cons = TX_RING_IDX(sw_cons);
2488
2489 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2490 skb = tx_buf->skb;
2491
2492 /* partial BD completions possible with TSO packets */
2493 if (skb_is_gso(skb)) {
2494 u16 last_idx, last_ring_idx;
2495
2496 last_idx = sw_cons +
2497 skb_shinfo(skb)->nr_frags + 1;
2498 last_ring_idx = sw_ring_cons +
2499 skb_shinfo(skb)->nr_frags + 1;
2500 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2501 last_idx++;
2502 }
2503 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2504 break;
2505 }
2506 }
2507
2508 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2509 skb_headlen(skb), PCI_DMA_TODEVICE);
2510
2511 tx_buf->skb = NULL;
2512 last = skb_shinfo(skb)->nr_frags;
2513
2514 for (i = 0; i < last; i++) {
2515 sw_cons = NEXT_TX_BD(sw_cons);
2516
2517 pci_unmap_page(bp->pdev,
2518 pci_unmap_addr(
2519 &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2520 mapping),
2521 skb_shinfo(skb)->frags[i].size,
2522 PCI_DMA_TODEVICE);
2523 }
2524
2525 sw_cons = NEXT_TX_BD(sw_cons);
2526
2527 dev_kfree_skb(skb);
2528 tx_pkt++;
2529 if (tx_pkt == budget)
2530 break;
2531
2532 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2533 }
2534
2535 bnapi->hw_tx_cons = hw_cons;
2536 bnapi->tx_cons = sw_cons;
2537 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2538 * before checking for netif_queue_stopped(). Without the
2539 * memory barrier, there is a small possibility that bnx2_start_xmit()
2540 * will miss it and cause the queue to be stopped forever.
2541 */
2542 smp_mb();
2543
2544 if (unlikely(netif_queue_stopped(bp->dev)) &&
2545 (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
2546 netif_tx_lock(bp->dev);
2547 if ((netif_queue_stopped(bp->dev)) &&
2548 (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
2549 netif_wake_queue(bp->dev);
2550 netif_tx_unlock(bp->dev);
2551 }
2552 return tx_pkt;
2553 }
2554
2555 static void
2556 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
2557 struct sk_buff *skb, int count)
2558 {
2559 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2560 struct rx_bd *cons_bd, *prod_bd;
2561 dma_addr_t mapping;
2562 int i;
2563 u16 hw_prod = bnapi->rx_pg_prod, prod;
2564 u16 cons = bnapi->rx_pg_cons;
2565
2566 for (i = 0; i < count; i++) {
2567 prod = RX_PG_RING_IDX(hw_prod);
2568
2569 prod_rx_pg = &bp->rx_pg_ring[prod];
2570 cons_rx_pg = &bp->rx_pg_ring[cons];
2571 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2572 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2573
2574 if (i == 0 && skb) {
2575 struct page *page;
2576 struct skb_shared_info *shinfo;
2577
2578 shinfo = skb_shinfo(skb);
2579 shinfo->nr_frags--;
2580 page = shinfo->frags[shinfo->nr_frags].page;
2581 shinfo->frags[shinfo->nr_frags].page = NULL;
2582 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2583 PCI_DMA_FROMDEVICE);
2584 cons_rx_pg->page = page;
2585 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2586 dev_kfree_skb(skb);
2587 }
2588 if (prod != cons) {
2589 prod_rx_pg->page = cons_rx_pg->page;
2590 cons_rx_pg->page = NULL;
2591 pci_unmap_addr_set(prod_rx_pg, mapping,
2592 pci_unmap_addr(cons_rx_pg, mapping));
2593
2594 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2595 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2596
2597 }
2598 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2599 hw_prod = NEXT_RX_BD(hw_prod);
2600 }
2601 bnapi->rx_pg_prod = hw_prod;
2602 bnapi->rx_pg_cons = cons;
2603 }
2604
2605 static inline void
2606 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2607 u16 cons, u16 prod)
2608 {
2609 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2610 struct rx_bd *cons_bd, *prod_bd;
2611
2612 cons_rx_buf = &bp->rx_buf_ring[cons];
2613 prod_rx_buf = &bp->rx_buf_ring[prod];
2614
2615 pci_dma_sync_single_for_device(bp->pdev,
2616 pci_unmap_addr(cons_rx_buf, mapping),
2617 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2618
2619 bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2620
2621 prod_rx_buf->skb = skb;
2622
2623 if (cons == prod)
2624 return;
2625
2626 pci_unmap_addr_set(prod_rx_buf, mapping,
2627 pci_unmap_addr(cons_rx_buf, mapping));
2628
2629 cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2630 prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2631 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2632 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2633 }
2634
2635 static int
2636 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2637 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2638 u32 ring_idx)
2639 {
2640 int err;
2641 u16 prod = ring_idx & 0xffff;
2642
2643 err = bnx2_alloc_rx_skb(bp, bnapi, prod);
2644 if (unlikely(err)) {
2645 bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
2646 if (hdr_len) {
2647 unsigned int raw_len = len + 4;
2648 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2649
2650 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
2651 }
2652 return err;
2653 }
2654
2655 skb_reserve(skb, bp->rx_offset);
2656 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2657 PCI_DMA_FROMDEVICE);
2658
2659 if (hdr_len == 0) {
2660 skb_put(skb, len);
2661 return 0;
2662 } else {
2663 unsigned int i, frag_len, frag_size, pages;
2664 struct sw_pg *rx_pg;
2665 u16 pg_cons = bnapi->rx_pg_cons;
2666 u16 pg_prod = bnapi->rx_pg_prod;
2667
2668 frag_size = len + 4 - hdr_len;
2669 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2670 skb_put(skb, hdr_len);
2671
2672 for (i = 0; i < pages; i++) {
2673 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2674 if (unlikely(frag_len <= 4)) {
2675 unsigned int tail = 4 - frag_len;
2676
2677 bnapi->rx_pg_cons = pg_cons;
2678 bnapi->rx_pg_prod = pg_prod;
2679 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
2680 pages - i);
2681 skb->len -= tail;
2682 if (i == 0) {
2683 skb->tail -= tail;
2684 } else {
2685 skb_frag_t *frag =
2686 &skb_shinfo(skb)->frags[i - 1];
2687 frag->size -= tail;
2688 skb->data_len -= tail;
2689 skb->truesize -= tail;
2690 }
2691 return 0;
2692 }
2693 rx_pg = &bp->rx_pg_ring[pg_cons];
2694
2695 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2696 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2697
2698 if (i == pages - 1)
2699 frag_len -= 4;
2700
2701 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2702 rx_pg->page = NULL;
2703
2704 err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2705 if (unlikely(err)) {
2706 bnapi->rx_pg_cons = pg_cons;
2707 bnapi->rx_pg_prod = pg_prod;
2708 bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
2709 pages - i);
2710 return err;
2711 }
2712
2713 frag_size -= frag_len;
2714 skb->data_len += frag_len;
2715 skb->truesize += frag_len;
2716 skb->len += frag_len;
2717
2718 pg_prod = NEXT_RX_BD(pg_prod);
2719 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2720 }
2721 bnapi->rx_pg_prod = pg_prod;
2722 bnapi->rx_pg_cons = pg_cons;
2723 }
2724 return 0;
2725 }
2726
2727 static inline u16
2728 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2729 {
2730 u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
2731
2732 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2733 cons++;
2734 return cons;
2735 }
2736
2737 static int
2738 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2739 {
2740 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2741 struct l2_fhdr *rx_hdr;
2742 int rx_pkt = 0, pg_ring_used = 0;
2743
2744 hw_cons = bnx2_get_hw_rx_cons(bnapi);
2745 sw_cons = bnapi->rx_cons;
2746 sw_prod = bnapi->rx_prod;
2747
2748 /* Memory barrier necessary as speculative reads of the rx
2749 * buffer can be ahead of the index in the status block
2750 */
2751 rmb();
2752 while (sw_cons != hw_cons) {
2753 unsigned int len, hdr_len;
2754 u32 status;
2755 struct sw_bd *rx_buf;
2756 struct sk_buff *skb;
2757 dma_addr_t dma_addr;
2758
2759 sw_ring_cons = RX_RING_IDX(sw_cons);
2760 sw_ring_prod = RX_RING_IDX(sw_prod);
2761
2762 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2763 skb = rx_buf->skb;
2764
2765 rx_buf->skb = NULL;
2766
2767 dma_addr = pci_unmap_addr(rx_buf, mapping);
2768
2769 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2770 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2771
2772 rx_hdr = (struct l2_fhdr *) skb->data;
2773 len = rx_hdr->l2_fhdr_pkt_len;
2774
2775 if ((status = rx_hdr->l2_fhdr_status) &
2776 (L2_FHDR_ERRORS_BAD_CRC |
2777 L2_FHDR_ERRORS_PHY_DECODE |
2778 L2_FHDR_ERRORS_ALIGNMENT |
2779 L2_FHDR_ERRORS_TOO_SHORT |
2780 L2_FHDR_ERRORS_GIANT_FRAME)) {
2781
2782 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2783 sw_ring_prod);
2784 goto next_rx;
2785 }
2786 hdr_len = 0;
2787 if (status & L2_FHDR_STATUS_SPLIT) {
2788 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2789 pg_ring_used = 1;
2790 } else if (len > bp->rx_jumbo_thresh) {
2791 hdr_len = bp->rx_jumbo_thresh;
2792 pg_ring_used = 1;
2793 }
2794
2795 len -= 4;
2796
2797 if (len <= bp->rx_copy_thresh) {
2798 struct sk_buff *new_skb;
2799
2800 new_skb = netdev_alloc_skb(bp->dev, len + 2);
2801 if (new_skb == NULL) {
2802 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2803 sw_ring_prod);
2804 goto next_rx;
2805 }
2806
2807 /* aligned copy */
2808 skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2809 new_skb->data, len + 2);
2810 skb_reserve(new_skb, 2);
2811 skb_put(new_skb, len);
2812
2813 bnx2_reuse_rx_skb(bp, bnapi, skb,
2814 sw_ring_cons, sw_ring_prod);
2815
2816 skb = new_skb;
2817 } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
2818 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2819 goto next_rx;
2820
2821 skb->protocol = eth_type_trans(skb, bp->dev);
2822
2823 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2824 (ntohs(skb->protocol) != 0x8100)) {
2825
2826 dev_kfree_skb(skb);
2827 goto next_rx;
2828
2829 }
2830
2831 skb->ip_summed = CHECKSUM_NONE;
2832 if (bp->rx_csum &&
2833 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2834 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2835
2836 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2837 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2838 skb->ip_summed = CHECKSUM_UNNECESSARY;
2839 }
2840
2841 #ifdef BCM_VLAN
2842 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
2843 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2844 rx_hdr->l2_fhdr_vlan_tag);
2845 }
2846 else
2847 #endif
2848 netif_receive_skb(skb);
2849
2850 bp->dev->last_rx = jiffies;
2851 rx_pkt++;
2852
2853 next_rx:
2854 sw_cons = NEXT_RX_BD(sw_cons);
2855 sw_prod = NEXT_RX_BD(sw_prod);
2856
2857 if ((rx_pkt == budget))
2858 break;
2859
2860 /* Refresh hw_cons to see if there is new work */
2861 if (sw_cons == hw_cons) {
2862 hw_cons = bnx2_get_hw_rx_cons(bnapi);
2863 rmb();
2864 }
2865 }
2866 bnapi->rx_cons = sw_cons;
2867 bnapi->rx_prod = sw_prod;
2868
2869 if (pg_ring_used)
2870 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2871 bnapi->rx_pg_prod);
2872
2873 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2874
2875 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
2876
2877 mmiowb();
2878
2879 return rx_pkt;
2880
2881 }
2882
2883 /* MSI ISR - The only difference between this and the INTx ISR
2884 * is that the MSI interrupt is always serviced.
2885 */
2886 static irqreturn_t
2887 bnx2_msi(int irq, void *dev_instance)
2888 {
2889 struct net_device *dev = dev_instance;
2890 struct bnx2 *bp = netdev_priv(dev);
2891 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2892
2893 prefetch(bnapi->status_blk);
2894 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2895 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2896 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2897
2898 /* Return here if interrupt is disabled. */
2899 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2900 return IRQ_HANDLED;
2901
2902 netif_rx_schedule(dev, &bnapi->napi);
2903
2904 return IRQ_HANDLED;
2905 }
2906
2907 static irqreturn_t
2908 bnx2_msi_1shot(int irq, void *dev_instance)
2909 {
2910 struct net_device *dev = dev_instance;
2911 struct bnx2 *bp = netdev_priv(dev);
2912 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2913
2914 prefetch(bnapi->status_blk);
2915
2916 /* Return here if interrupt is disabled. */
2917 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2918 return IRQ_HANDLED;
2919
2920 netif_rx_schedule(dev, &bnapi->napi);
2921
2922 return IRQ_HANDLED;
2923 }
2924
2925 static irqreturn_t
2926 bnx2_interrupt(int irq, void *dev_instance)
2927 {
2928 struct net_device *dev = dev_instance;
2929 struct bnx2 *bp = netdev_priv(dev);
2930 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2931 struct status_block *sblk = bnapi->status_blk;
2932
2933 /* When using INTx, it is possible for the interrupt to arrive
2934 * at the CPU before the status block posted prior to the
2935 * interrupt. Reading a register will flush the status block.
2936 * When using MSI, the MSI message will always complete after
2937 * the status block write.
2938 */
2939 if ((sblk->status_idx == bnapi->last_status_idx) &&
2940 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2941 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2942 return IRQ_NONE;
2943
2944 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2945 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2946 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2947
2948 /* Read back to deassert IRQ immediately to avoid too many
2949 * spurious interrupts.
2950 */
2951 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2952
2953 /* Return here if interrupt is shared and is disabled. */
2954 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2955 return IRQ_HANDLED;
2956
2957 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2958 bnapi->last_status_idx = sblk->status_idx;
2959 __netif_rx_schedule(dev, &bnapi->napi);
2960 }
2961
2962 return IRQ_HANDLED;
2963 }
2964
2965 static irqreturn_t
2966 bnx2_tx_msix(int irq, void *dev_instance)
2967 {
2968 struct net_device *dev = dev_instance;
2969 struct bnx2 *bp = netdev_priv(dev);
2970 struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
2971
2972 prefetch(bnapi->status_blk_msix);
2973
2974 /* Return here if interrupt is disabled. */
2975 if (unlikely(atomic_read(&bp->intr_sem) != 0))
2976 return IRQ_HANDLED;
2977
2978 netif_rx_schedule(dev, &bnapi->napi);
2979 return IRQ_HANDLED;
2980 }
2981
2982 #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
2983 STATUS_ATTN_BITS_TIMER_ABORT)
2984
2985 static inline int
2986 bnx2_has_work(struct bnx2_napi *bnapi)
2987 {
2988 struct status_block *sblk = bnapi->status_blk;
2989
2990 if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
2991 (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
2992 return 1;
2993
2994 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
2995 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
2996 return 1;
2997
2998 return 0;
2999 }
3000
3001 static int bnx2_tx_poll(struct napi_struct *napi, int budget)
3002 {
3003 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3004 struct bnx2 *bp = bnapi->bp;
3005 int work_done = 0;
3006 struct status_block_msix *sblk = bnapi->status_blk_msix;
3007
3008 do {
3009 work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
3010 if (unlikely(work_done >= budget))
3011 return work_done;
3012
3013 bnapi->last_status_idx = sblk->status_idx;
3014 rmb();
3015 } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
3016
3017 netif_rx_complete(bp->dev, napi);
3018 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3019 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3020 bnapi->last_status_idx);
3021 return work_done;
3022 }
3023
3024 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3025 int work_done, int budget)
3026 {
3027 struct status_block *sblk = bnapi->status_blk;
3028 u32 status_attn_bits = sblk->status_attn_bits;
3029 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3030
3031 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3032 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3033
3034 bnx2_phy_int(bp, bnapi);
3035
3036 /* This is needed to take care of transient status
3037 * during link changes.
3038 */
3039 REG_WR(bp, BNX2_HC_COMMAND,
3040 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3041 REG_RD(bp, BNX2_HC_COMMAND);
3042 }
3043
3044 if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
3045 bnx2_tx_int(bp, bnapi, 0);
3046
3047 if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
3048 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3049
3050 return work_done;
3051 }
3052
3053 static int bnx2_poll(struct napi_struct *napi, int budget)
3054 {
3055 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3056 struct bnx2 *bp = bnapi->bp;
3057 int work_done = 0;
3058 struct status_block *sblk = bnapi->status_blk;
3059
3060 while (1) {
3061 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3062
3063 if (unlikely(work_done >= budget))
3064 break;
3065
3066 /* bnapi->last_status_idx is used below to tell the hw how
3067 * much work has been processed, so we must read it before
3068 * checking for more work.
3069 */
3070 bnapi->last_status_idx = sblk->status_idx;
3071 rmb();
3072 if (likely(!bnx2_has_work(bnapi))) {
3073 netif_rx_complete(bp->dev, napi);
3074 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3075 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3076 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3077 bnapi->last_status_idx);
3078 break;
3079 }
3080 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3081 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3082 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3083 bnapi->last_status_idx);
3084
3085 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3086 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3087 bnapi->last_status_idx);
3088 break;
3089 }
3090 }
3091
3092 return work_done;
3093 }
3094
3095 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3096 * from set_multicast.
3097 */
3098 static void
3099 bnx2_set_rx_mode(struct net_device *dev)
3100 {
3101 struct bnx2 *bp = netdev_priv(dev);
3102 u32 rx_mode, sort_mode;
3103 int i;
3104
3105 spin_lock_bh(&bp->phy_lock);
3106
3107 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3108 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3109 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3110 #ifdef BCM_VLAN
3111 if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
3112 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3113 #else
3114 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
3115 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3116 #endif
3117 if (dev->flags & IFF_PROMISC) {
3118 /* Promiscuous mode. */
3119 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3120 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3121 BNX2_RPM_SORT_USER0_PROM_VLAN;
3122 }
3123 else if (dev->flags & IFF_ALLMULTI) {
3124 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3125 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3126 0xffffffff);
3127 }
3128 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3129 }
3130 else {
3131 /* Accept one or more multicast(s). */
3132 struct dev_mc_list *mclist;
3133 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3134 u32 regidx;
3135 u32 bit;
3136 u32 crc;
3137
3138 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3139
3140 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3141 i++, mclist = mclist->next) {
3142
3143 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3144 bit = crc & 0xff;
3145 regidx = (bit & 0xe0) >> 5;
3146 bit &= 0x1f;
3147 mc_filter[regidx] |= (1 << bit);
3148 }
3149
3150 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3151 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3152 mc_filter[i]);
3153 }
3154
3155 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3156 }
3157
3158 if (rx_mode != bp->rx_mode) {
3159 bp->rx_mode = rx_mode;
3160 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3161 }
3162
3163 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3164 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3165 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3166
3167 spin_unlock_bh(&bp->phy_lock);
3168 }
3169
3170 static void
3171 load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3172 u32 rv2p_proc)
3173 {
3174 int i;
3175 u32 val;
3176
3177
3178 for (i = 0; i < rv2p_code_len; i += 8) {
3179 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3180 rv2p_code++;
3181 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3182 rv2p_code++;
3183
3184 if (rv2p_proc == RV2P_PROC1) {
3185 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3186 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3187 }
3188 else {
3189 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3190 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3191 }
3192 }
3193
3194 /* Reset the processor, un-stall is done later. */
3195 if (rv2p_proc == RV2P_PROC1) {
3196 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3197 }
3198 else {
3199 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3200 }
3201 }
3202
3203 static int
3204 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3205 {
3206 u32 offset;
3207 u32 val;
3208 int rc;
3209
3210 /* Halt the CPU. */
3211 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3212 val |= cpu_reg->mode_value_halt;
3213 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3214 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3215
3216 /* Load the Text area. */
3217 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3218 if (fw->gz_text) {
3219 int j;
3220
3221 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3222 fw->gz_text_len);
3223 if (rc < 0)
3224 return rc;
3225
3226 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3227 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3228 }
3229 }
3230
3231 /* Load the Data area. */
3232 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3233 if (fw->data) {
3234 int j;
3235
3236 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3237 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3238 }
3239 }
3240
3241 /* Load the SBSS area. */
3242 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
3243 if (fw->sbss_len) {
3244 int j;
3245
3246 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3247 bnx2_reg_wr_ind(bp, offset, 0);
3248 }
3249 }
3250
3251 /* Load the BSS area. */
3252 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
3253 if (fw->bss_len) {
3254 int j;
3255
3256 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3257 bnx2_reg_wr_ind(bp, offset, 0);
3258 }
3259 }
3260
3261 /* Load the Read-Only area. */
3262 offset = cpu_reg->spad_base +
3263 (fw->rodata_addr - cpu_reg->mips_view_base);
3264 if (fw->rodata) {
3265 int j;
3266
3267 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3268 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3269 }
3270 }
3271
3272 /* Clear the pre-fetch instruction. */
3273 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3274 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3275
3276 /* Start the CPU. */
3277 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3278 val &= ~cpu_reg->mode_value_halt;
3279 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3280 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3281
3282 return 0;
3283 }
3284
3285 static int
3286 bnx2_init_cpus(struct bnx2 *bp)
3287 {
3288 struct cpu_reg cpu_reg;
3289 struct fw_info *fw;
3290 int rc, rv2p_len;
3291 void *text, *rv2p;
3292
3293 /* Initialize the RV2P processor. */
3294 text = vmalloc(FW_BUF_SIZE);
3295 if (!text)
3296 return -ENOMEM;
3297 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3298 rv2p = bnx2_xi_rv2p_proc1;
3299 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3300 } else {
3301 rv2p = bnx2_rv2p_proc1;
3302 rv2p_len = sizeof(bnx2_rv2p_proc1);
3303 }
3304 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3305 if (rc < 0)
3306 goto init_cpu_err;
3307
3308 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3309
3310 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3311 rv2p = bnx2_xi_rv2p_proc2;
3312 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3313 } else {
3314 rv2p = bnx2_rv2p_proc2;
3315 rv2p_len = sizeof(bnx2_rv2p_proc2);
3316 }
3317 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3318 if (rc < 0)
3319 goto init_cpu_err;
3320
3321 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3322
3323 /* Initialize the RX Processor. */
3324 cpu_reg.mode = BNX2_RXP_CPU_MODE;
3325 cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3326 cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3327 cpu_reg.state = BNX2_RXP_CPU_STATE;
3328 cpu_reg.state_value_clear = 0xffffff;
3329 cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3330 cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3331 cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3332 cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3333 cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3334 cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3335 cpu_reg.mips_view_base = 0x8000000;
3336
3337 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3338 fw = &bnx2_rxp_fw_09;
3339 else
3340 fw = &bnx2_rxp_fw_06;
3341
3342 fw->text = text;
3343 rc = load_cpu_fw(bp, &cpu_reg, fw);
3344 if (rc)
3345 goto init_cpu_err;
3346
3347 /* Initialize the TX Processor. */
3348 cpu_reg.mode = BNX2_TXP_CPU_MODE;
3349 cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3350 cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3351 cpu_reg.state = BNX2_TXP_CPU_STATE;
3352 cpu_reg.state_value_clear = 0xffffff;
3353 cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3354 cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3355 cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3356 cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3357 cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3358 cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3359 cpu_reg.mips_view_base = 0x8000000;
3360
3361 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3362 fw = &bnx2_txp_fw_09;
3363 else
3364 fw = &bnx2_txp_fw_06;
3365
3366 fw->text = text;
3367 rc = load_cpu_fw(bp, &cpu_reg, fw);
3368 if (rc)
3369 goto init_cpu_err;
3370
3371 /* Initialize the TX Patch-up Processor. */
3372 cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3373 cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3374 cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3375 cpu_reg.state = BNX2_TPAT_CPU_STATE;
3376 cpu_reg.state_value_clear = 0xffffff;
3377 cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3378 cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3379 cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3380 cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3381 cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3382 cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3383 cpu_reg.mips_view_base = 0x8000000;
3384
3385 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3386 fw = &bnx2_tpat_fw_09;
3387 else
3388 fw = &bnx2_tpat_fw_06;
3389
3390 fw->text = text;
3391 rc = load_cpu_fw(bp, &cpu_reg, fw);
3392 if (rc)
3393 goto init_cpu_err;
3394
3395 /* Initialize the Completion Processor. */
3396 cpu_reg.mode = BNX2_COM_CPU_MODE;
3397 cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3398 cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3399 cpu_reg.state = BNX2_COM_CPU_STATE;
3400 cpu_reg.state_value_clear = 0xffffff;
3401 cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3402 cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3403 cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3404 cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3405 cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3406 cpu_reg.spad_base = BNX2_COM_SCRATCH;
3407 cpu_reg.mips_view_base = 0x8000000;
3408
3409 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3410 fw = &bnx2_com_fw_09;
3411 else
3412 fw = &bnx2_com_fw_06;
3413
3414 fw->text = text;
3415 rc = load_cpu_fw(bp, &cpu_reg, fw);
3416 if (rc)
3417 goto init_cpu_err;
3418
3419 /* Initialize the Command Processor. */
3420 cpu_reg.mode = BNX2_CP_CPU_MODE;
3421 cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3422 cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3423 cpu_reg.state = BNX2_CP_CPU_STATE;
3424 cpu_reg.state_value_clear = 0xffffff;
3425 cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3426 cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3427 cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3428 cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3429 cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3430 cpu_reg.spad_base = BNX2_CP_SCRATCH;
3431 cpu_reg.mips_view_base = 0x8000000;
3432
3433 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3434 fw = &bnx2_cp_fw_09;
3435 else
3436 fw = &bnx2_cp_fw_06;
3437
3438 fw->text = text;
3439 rc = load_cpu_fw(bp, &cpu_reg, fw);
3440
3441 init_cpu_err:
3442 vfree(text);
3443 return rc;
3444 }
3445
3446 static int
3447 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3448 {
3449 u16 pmcsr;
3450
3451 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3452
3453 switch (state) {
3454 case PCI_D0: {
3455 u32 val;
3456
3457 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3458 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3459 PCI_PM_CTRL_PME_STATUS);
3460
3461 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3462 /* delay required during transition out of D3hot */
3463 msleep(20);
3464
3465 val = REG_RD(bp, BNX2_EMAC_MODE);
3466 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3467 val &= ~BNX2_EMAC_MODE_MPKT;
3468 REG_WR(bp, BNX2_EMAC_MODE, val);
3469
3470 val = REG_RD(bp, BNX2_RPM_CONFIG);
3471 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3472 REG_WR(bp, BNX2_RPM_CONFIG, val);
3473 break;
3474 }
3475 case PCI_D3hot: {
3476 int i;
3477 u32 val, wol_msg;
3478
3479 if (bp->wol) {
3480 u32 advertising;
3481 u8 autoneg;
3482
3483 autoneg = bp->autoneg;
3484 advertising = bp->advertising;
3485
3486 if (bp->phy_port == PORT_TP) {
3487 bp->autoneg = AUTONEG_SPEED;
3488 bp->advertising = ADVERTISED_10baseT_Half |
3489 ADVERTISED_10baseT_Full |
3490 ADVERTISED_100baseT_Half |
3491 ADVERTISED_100baseT_Full |
3492 ADVERTISED_Autoneg;
3493 }
3494
3495 spin_lock_bh(&bp->phy_lock);
3496 bnx2_setup_phy(bp, bp->phy_port);
3497 spin_unlock_bh(&bp->phy_lock);
3498
3499 bp->autoneg = autoneg;
3500 bp->advertising = advertising;
3501
3502 bnx2_set_mac_addr(bp);
3503
3504 val = REG_RD(bp, BNX2_EMAC_MODE);
3505
3506 /* Enable port mode. */
3507 val &= ~BNX2_EMAC_MODE_PORT;
3508 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3509 BNX2_EMAC_MODE_ACPI_RCVD |
3510 BNX2_EMAC_MODE_MPKT;
3511 if (bp->phy_port == PORT_TP)
3512 val |= BNX2_EMAC_MODE_PORT_MII;
3513 else {
3514 val |= BNX2_EMAC_MODE_PORT_GMII;
3515 if (bp->line_speed == SPEED_2500)
3516 val |= BNX2_EMAC_MODE_25G_MODE;
3517 }
3518
3519 REG_WR(bp, BNX2_EMAC_MODE, val);
3520
3521 /* receive all multicast */
3522 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3523 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3524 0xffffffff);
3525 }
3526 REG_WR(bp, BNX2_EMAC_RX_MODE,
3527 BNX2_EMAC_RX_MODE_SORT_MODE);
3528
3529 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3530 BNX2_RPM_SORT_USER0_MC_EN;
3531 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3532 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3533 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3534 BNX2_RPM_SORT_USER0_ENA);
3535
3536 /* Need to enable EMAC and RPM for WOL. */
3537 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3538 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3539 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3540 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3541
3542 val = REG_RD(bp, BNX2_RPM_CONFIG);
3543 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3544 REG_WR(bp, BNX2_RPM_CONFIG, val);
3545
3546 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3547 }
3548 else {
3549 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3550 }
3551
3552 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3553 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3554
3555 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3556 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3557 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3558
3559 if (bp->wol)
3560 pmcsr |= 3;
3561 }
3562 else {
3563 pmcsr |= 3;
3564 }
3565 if (bp->wol) {
3566 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3567 }
3568 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3569 pmcsr);
3570
3571 /* No more memory access after this point until
3572 * device is brought back to D0.
3573 */
3574 udelay(50);
3575 break;
3576 }
3577 default:
3578 return -EINVAL;
3579 }
3580 return 0;
3581 }
3582
3583 static int
3584 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3585 {
3586 u32 val;
3587 int j;
3588
3589 /* Request access to the flash interface. */
3590 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3591 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3592 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3593 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3594 break;
3595
3596 udelay(5);
3597 }
3598
3599 if (j >= NVRAM_TIMEOUT_COUNT)
3600 return -EBUSY;
3601
3602 return 0;
3603 }
3604
3605 static int
3606 bnx2_release_nvram_lock(struct bnx2 *bp)
3607 {
3608 int j;
3609 u32 val;
3610
3611 /* Relinquish nvram interface. */
3612 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3613
3614 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3615 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3616 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3617 break;
3618
3619 udelay(5);
3620 }
3621
3622 if (j >= NVRAM_TIMEOUT_COUNT)
3623 return -EBUSY;
3624
3625 return 0;
3626 }
3627
3628
3629 static int
3630 bnx2_enable_nvram_write(struct bnx2 *bp)
3631 {
3632 u32 val;
3633
3634 val = REG_RD(bp, BNX2_MISC_CFG);
3635 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3636
3637 if (bp->flash_info->flags & BNX2_NV_WREN) {
3638 int j;
3639
3640 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3641 REG_WR(bp, BNX2_NVM_COMMAND,
3642 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3643
3644 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3645 udelay(5);
3646
3647 val = REG_RD(bp, BNX2_NVM_COMMAND);
3648 if (val & BNX2_NVM_COMMAND_DONE)
3649 break;
3650 }
3651
3652 if (j >= NVRAM_TIMEOUT_COUNT)
3653 return -EBUSY;
3654 }
3655 return 0;
3656 }
3657
3658 static void
3659 bnx2_disable_nvram_write(struct bnx2 *bp)
3660 {
3661 u32 val;
3662
3663 val = REG_RD(bp, BNX2_MISC_CFG);
3664 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3665 }
3666
3667
3668 static void
3669 bnx2_enable_nvram_access(struct bnx2 *bp)
3670 {
3671 u32 val;
3672
3673 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3674 /* Enable both bits, even on read. */
3675 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3676 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3677 }
3678
3679 static void
3680 bnx2_disable_nvram_access(struct bnx2 *bp)
3681 {
3682 u32 val;
3683
3684 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3685 /* Disable both bits, even after read. */
3686 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3687 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3688 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3689 }
3690
3691 static int
3692 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3693 {
3694 u32 cmd;
3695 int j;
3696
3697 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3698 /* Buffered flash, no erase needed */
3699 return 0;
3700
3701 /* Build an erase command */
3702 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3703 BNX2_NVM_COMMAND_DOIT;
3704
3705 /* Need to clear DONE bit separately. */
3706 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3707
3708 /* Address of the NVRAM to read from. */
3709 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3710
3711 /* Issue an erase command. */
3712 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3713
3714 /* Wait for completion. */
3715 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3716 u32 val;
3717
3718 udelay(5);
3719
3720 val = REG_RD(bp, BNX2_NVM_COMMAND);
3721 if (val & BNX2_NVM_COMMAND_DONE)
3722 break;
3723 }
3724
3725 if (j >= NVRAM_TIMEOUT_COUNT)
3726 return -EBUSY;
3727
3728 return 0;
3729 }
3730
3731 static int
3732 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3733 {
3734 u32 cmd;
3735 int j;
3736
3737 /* Build the command word. */
3738 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3739
3740 /* Calculate an offset of a buffered flash, not needed for 5709. */
3741 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3742 offset = ((offset / bp->flash_info->page_size) <<
3743 bp->flash_info->page_bits) +
3744 (offset % bp->flash_info->page_size);
3745 }
3746
3747 /* Need to clear DONE bit separately. */
3748 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3749
3750 /* Address of the NVRAM to read from. */
3751 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3752
3753 /* Issue a read command. */
3754 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3755
3756 /* Wait for completion. */
3757 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3758 u32 val;
3759
3760 udelay(5);
3761
3762 val = REG_RD(bp, BNX2_NVM_COMMAND);
3763 if (val & BNX2_NVM_COMMAND_DONE) {
3764 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3765 memcpy(ret_val, &v, 4);
3766 break;
3767 }
3768 }
3769 if (j >= NVRAM_TIMEOUT_COUNT)
3770 return -EBUSY;
3771
3772 return 0;
3773 }
3774
3775
3776 static int
3777 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3778 {
3779 u32 cmd;
3780 __be32 val32;
3781 int j;
3782
3783 /* Build the command word. */
3784 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3785
3786 /* Calculate an offset of a buffered flash, not needed for 5709. */
3787 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3788 offset = ((offset / bp->flash_info->page_size) <<
3789 bp->flash_info->page_bits) +
3790 (offset % bp->flash_info->page_size);
3791 }
3792
3793 /* Need to clear DONE bit separately. */
3794 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3795
3796 memcpy(&val32, val, 4);
3797
3798 /* Write the data. */
3799 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3800
3801 /* Address of the NVRAM to write to. */
3802 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3803
3804 /* Issue the write command. */
3805 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3806
3807 /* Wait for completion. */
3808 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3809 udelay(5);
3810
3811 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3812 break;
3813 }
3814 if (j >= NVRAM_TIMEOUT_COUNT)
3815 return -EBUSY;
3816
3817 return 0;
3818 }
3819
3820 static int
3821 bnx2_init_nvram(struct bnx2 *bp)
3822 {
3823 u32 val;
3824 int j, entry_count, rc = 0;
3825 struct flash_spec *flash;
3826
3827 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3828 bp->flash_info = &flash_5709;
3829 goto get_flash_size;
3830 }
3831
3832 /* Determine the selected interface. */
3833 val = REG_RD(bp, BNX2_NVM_CFG1);
3834
3835 entry_count = ARRAY_SIZE(flash_table);
3836
3837 if (val & 0x40000000) {
3838
3839 /* Flash interface has been reconfigured */
3840 for (j = 0, flash = &flash_table[0]; j < entry_count;
3841 j++, flash++) {
3842 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3843 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3844 bp->flash_info = flash;
3845 break;
3846 }
3847 }
3848 }
3849 else {
3850 u32 mask;
3851 /* Not yet been reconfigured */
3852
3853 if (val & (1 << 23))
3854 mask = FLASH_BACKUP_STRAP_MASK;
3855 else
3856 mask = FLASH_STRAP_MASK;
3857
3858 for (j = 0, flash = &flash_table[0]; j < entry_count;
3859 j++, flash++) {
3860
3861 if ((val & mask) == (flash->strapping & mask)) {
3862 bp->flash_info = flash;
3863
3864 /* Request access to the flash interface. */
3865 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3866 return rc;
3867
3868 /* Enable access to flash interface */
3869 bnx2_enable_nvram_access(bp);
3870
3871 /* Reconfigure the flash interface */
3872 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3873 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3874 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3875 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3876
3877 /* Disable access to flash interface */
3878 bnx2_disable_nvram_access(bp);
3879 bnx2_release_nvram_lock(bp);
3880
3881 break;
3882 }
3883 }
3884 } /* if (val & 0x40000000) */
3885
3886 if (j == entry_count) {
3887 bp->flash_info = NULL;
3888 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
3889 return -ENODEV;
3890 }
3891
3892 get_flash_size:
3893 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
3894 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3895 if (val)
3896 bp->flash_size = val;
3897 else
3898 bp->flash_size = bp->flash_info->total_size;
3899
3900 return rc;
3901 }
3902
3903 static int
3904 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3905 int buf_size)
3906 {
3907 int rc = 0;
3908 u32 cmd_flags, offset32, len32, extra;
3909
3910 if (buf_size == 0)
3911 return 0;
3912
3913 /* Request access to the flash interface. */
3914 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3915 return rc;
3916
3917 /* Enable access to flash interface */
3918 bnx2_enable_nvram_access(bp);
3919
3920 len32 = buf_size;
3921 offset32 = offset;
3922 extra = 0;
3923
3924 cmd_flags = 0;
3925
3926 if (offset32 & 3) {
3927 u8 buf[4];
3928 u32 pre_len;
3929
3930 offset32 &= ~3;
3931 pre_len = 4 - (offset & 3);
3932
3933 if (pre_len >= len32) {
3934 pre_len = len32;
3935 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3936 BNX2_NVM_COMMAND_LAST;
3937 }
3938 else {
3939 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3940 }
3941
3942 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3943
3944 if (rc)
3945 return rc;
3946
3947 memcpy(ret_buf, buf + (offset & 3), pre_len);
3948
3949 offset32 += 4;
3950 ret_buf += pre_len;
3951 len32 -= pre_len;
3952 }
3953 if (len32 & 3) {
3954 extra = 4 - (len32 & 3);
3955 len32 = (len32 + 4) & ~3;
3956 }
3957
3958 if (len32 == 4) {
3959 u8 buf[4];
3960
3961 if (cmd_flags)
3962 cmd_flags = BNX2_NVM_COMMAND_LAST;
3963 else
3964 cmd_flags = BNX2_NVM_COMMAND_FIRST |
3965 BNX2_NVM_COMMAND_LAST;
3966
3967 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3968
3969 memcpy(ret_buf, buf, 4 - extra);
3970 }
3971 else if (len32 > 0) {
3972 u8 buf[4];
3973
3974 /* Read the first word. */
3975 if (cmd_flags)
3976 cmd_flags = 0;
3977 else
3978 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3979
3980 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3981
3982 /* Advance to the next dword. */
3983 offset32 += 4;
3984 ret_buf += 4;
3985 len32 -= 4;
3986
3987 while (len32 > 4 && rc == 0) {
3988 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
3989
3990 /* Advance to the next dword. */
3991 offset32 += 4;
3992 ret_buf += 4;
3993 len32 -= 4;
3994 }
3995
3996 if (rc)
3997 return rc;
3998
3999 cmd_flags = BNX2_NVM_COMMAND_LAST;
4000 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4001
4002 memcpy(ret_buf, buf, 4 - extra);
4003 }
4004
4005 /* Disable access to flash interface */
4006 bnx2_disable_nvram_access(bp);
4007
4008 bnx2_release_nvram_lock(bp);
4009
4010 return rc;
4011 }
4012
4013 static int
4014 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4015 int buf_size)
4016 {
4017 u32 written, offset32, len32;
4018 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4019 int rc = 0;
4020 int align_start, align_end;
4021
4022 buf = data_buf;
4023 offset32 = offset;
4024 len32 = buf_size;
4025 align_start = align_end = 0;
4026
4027 if ((align_start = (offset32 & 3))) {
4028 offset32 &= ~3;
4029 len32 += align_start;
4030 if (len32 < 4)
4031 len32 = 4;
4032 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4033 return rc;
4034 }
4035
4036 if (len32 & 3) {
4037 align_end = 4 - (len32 & 3);
4038 len32 += align_end;
4039 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4040 return rc;
4041 }
4042
4043 if (align_start || align_end) {
4044 align_buf = kmalloc(len32, GFP_KERNEL);
4045 if (align_buf == NULL)
4046 return -ENOMEM;
4047 if (align_start) {
4048 memcpy(align_buf, start, 4);
4049 }
4050 if (align_end) {
4051 memcpy(align_buf + len32 - 4, end, 4);
4052 }
4053 memcpy(align_buf + align_start, data_buf, buf_size);
4054 buf = align_buf;
4055 }
4056
4057 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4058 flash_buffer = kmalloc(264, GFP_KERNEL);
4059 if (flash_buffer == NULL) {
4060 rc = -ENOMEM;
4061 goto nvram_write_end;
4062 }
4063 }
4064
4065 written = 0;
4066 while ((written < len32) && (rc == 0)) {
4067 u32 page_start, page_end, data_start, data_end;
4068 u32 addr, cmd_flags;
4069 int i;
4070
4071 /* Find the page_start addr */
4072 page_start = offset32 + written;
4073 page_start -= (page_start % bp->flash_info->page_size);
4074 /* Find the page_end addr */
4075 page_end = page_start + bp->flash_info->page_size;
4076 /* Find the data_start addr */
4077 data_start = (written == 0) ? offset32 : page_start;
4078 /* Find the data_end addr */
4079 data_end = (page_end > offset32 + len32) ?
4080 (offset32 + len32) : page_end;
4081
4082 /* Request access to the flash interface. */
4083 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4084 goto nvram_write_end;
4085
4086 /* Enable access to flash interface */
4087 bnx2_enable_nvram_access(bp);
4088
4089 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4090 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4091 int j;
4092
4093 /* Read the whole page into the buffer
4094 * (non-buffer flash only) */
4095 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4096 if (j == (bp->flash_info->page_size - 4)) {
4097 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4098 }
4099 rc = bnx2_nvram_read_dword(bp,
4100 page_start + j,
4101 &flash_buffer[j],
4102 cmd_flags);
4103
4104 if (rc)
4105 goto nvram_write_end;
4106
4107 cmd_flags = 0;
4108 }
4109 }
4110
4111 /* Enable writes to flash interface (unlock write-protect) */
4112 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4113 goto nvram_write_end;
4114
4115 /* Loop to write back the buffer data from page_start to
4116 * data_start */
4117 i = 0;
4118 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4119 /* Erase the page */
4120 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4121 goto nvram_write_end;
4122
4123 /* Re-enable the write again for the actual write */
4124 bnx2_enable_nvram_write(bp);
4125
4126 for (addr = page_start; addr < data_start;
4127 addr += 4, i += 4) {
4128
4129 rc = bnx2_nvram_write_dword(bp, addr,
4130 &flash_buffer[i], cmd_flags);
4131
4132 if (rc != 0)
4133 goto nvram_write_end;
4134
4135 cmd_flags = 0;
4136 }
4137 }
4138
4139 /* Loop to write the new data from data_start to data_end */
4140 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4141 if ((addr == page_end - 4) ||
4142 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4143 (addr == data_end - 4))) {
4144
4145 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4146 }
4147 rc = bnx2_nvram_write_dword(bp, addr, buf,
4148 cmd_flags);
4149
4150 if (rc != 0)
4151 goto nvram_write_end;
4152
4153 cmd_flags = 0;
4154 buf += 4;
4155 }
4156
4157 /* Loop to write back the buffer data from data_end
4158 * to page_end */
4159 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4160 for (addr = data_end; addr < page_end;
4161 addr += 4, i += 4) {
4162
4163 if (addr == page_end-4) {
4164 cmd_flags = BNX2_NVM_COMMAND_LAST;
4165 }
4166 rc = bnx2_nvram_write_dword(bp, addr,
4167 &flash_buffer[i], cmd_flags);
4168
4169 if (rc != 0)
4170 goto nvram_write_end;
4171
4172 cmd_flags = 0;
4173 }
4174 }
4175
4176 /* Disable writes to flash interface (lock write-protect) */
4177 bnx2_disable_nvram_write(bp);
4178
4179 /* Disable access to flash interface */
4180 bnx2_disable_nvram_access(bp);
4181 bnx2_release_nvram_lock(bp);
4182
4183 /* Increment written */
4184 written += data_end - data_start;
4185 }
4186
4187 nvram_write_end:
4188 kfree(flash_buffer);
4189 kfree(align_buf);
4190 return rc;
4191 }
4192
4193 static void
4194 bnx2_init_remote_phy(struct bnx2 *bp)
4195 {
4196 u32 val;
4197
4198 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4199 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
4200 return;
4201
4202 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4203 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4204 return;
4205
4206 if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
4207 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4208
4209 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4210 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4211 bp->phy_port = PORT_FIBRE;
4212 else
4213 bp->phy_port = PORT_TP;
4214
4215 if (netif_running(bp->dev)) {
4216 u32 sig;
4217
4218 if (val & BNX2_LINK_STATUS_LINK_UP) {
4219 bp->link_up = 1;
4220 netif_carrier_on(bp->dev);
4221 } else {
4222 bp->link_up = 0;
4223 netif_carrier_off(bp->dev);
4224 }
4225 sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4226 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4227 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4228 }
4229 }
4230 }
4231
4232 static void
4233 bnx2_setup_msix_tbl(struct bnx2 *bp)
4234 {
4235 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4236
4237 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4238 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4239 }
4240
4241 static int
4242 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4243 {
4244 u32 val;
4245 int i, rc = 0;
4246 u8 old_port;
4247
4248 /* Wait for the current PCI transaction to complete before
4249 * issuing a reset. */
4250 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4251 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4252 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4253 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4254 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4255 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4256 udelay(5);
4257
4258 /* Wait for the firmware to tell us it is ok to issue a reset. */
4259 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4260
4261 /* Deposit a driver reset signature so the firmware knows that
4262 * this is a soft reset. */
4263 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4264 BNX2_DRV_RESET_SIGNATURE_MAGIC);
4265
4266 /* Do a dummy read to force the chip to complete all current transaction
4267 * before we issue a reset. */
4268 val = REG_RD(bp, BNX2_MISC_ID);
4269
4270 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4271 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4272 REG_RD(bp, BNX2_MISC_COMMAND);
4273 udelay(5);
4274
4275 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4276 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4277
4278 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4279
4280 } else {
4281 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4282 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4283 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4284
4285 /* Chip reset. */
4286 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4287
4288 /* Reading back any register after chip reset will hang the
4289 * bus on 5706 A0 and A1. The msleep below provides plenty
4290 * of margin for write posting.
4291 */
4292 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4293 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4294 msleep(20);
4295
4296 /* Reset takes approximate 30 usec */
4297 for (i = 0; i < 10; i++) {
4298 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4299 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4300 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4301 break;
4302 udelay(10);
4303 }
4304
4305 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4306 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4307 printk(KERN_ERR PFX "Chip reset did not complete\n");
4308 return -EBUSY;
4309 }
4310 }
4311
4312 /* Make sure byte swapping is properly configured. */
4313 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4314 if (val != 0x01020304) {
4315 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4316 return -ENODEV;
4317 }
4318
4319 /* Wait for the firmware to finish its initialization. */
4320 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4321 if (rc)
4322 return rc;
4323
4324 spin_lock_bh(&bp->phy_lock);
4325 old_port = bp->phy_port;
4326 bnx2_init_remote_phy(bp);
4327 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4328 old_port != bp->phy_port)
4329 bnx2_set_default_remote_link(bp);
4330 spin_unlock_bh(&bp->phy_lock);
4331
4332 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4333 /* Adjust the voltage regular to two steps lower. The default
4334 * of this register is 0x0000000e. */
4335 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4336
4337 /* Remove bad rbuf memory from the free pool. */
4338 rc = bnx2_alloc_bad_rbuf(bp);
4339 }
4340
4341 if (bp->flags & BNX2_FLAG_USING_MSIX)
4342 bnx2_setup_msix_tbl(bp);
4343
4344 return rc;
4345 }
4346
4347 static int
4348 bnx2_init_chip(struct bnx2 *bp)
4349 {
4350 u32 val;
4351 int rc, i;
4352
4353 /* Make sure the interrupt is not active. */
4354 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4355
4356 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4357 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4358 #ifdef __BIG_ENDIAN
4359 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4360 #endif
4361 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4362 DMA_READ_CHANS << 12 |
4363 DMA_WRITE_CHANS << 16;
4364
4365 val |= (0x2 << 20) | (1 << 11);
4366
4367 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4368 val |= (1 << 23);
4369
4370 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4371 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4372 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4373
4374 REG_WR(bp, BNX2_DMA_CONFIG, val);
4375
4376 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4377 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4378 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4379 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4380 }
4381
4382 if (bp->flags & BNX2_FLAG_PCIX) {
4383 u16 val16;
4384
4385 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4386 &val16);
4387 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4388 val16 & ~PCI_X_CMD_ERO);
4389 }
4390
4391 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4392 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4393 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4394 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4395
4396 /* Initialize context mapping and zero out the quick contexts. The
4397 * context block must have already been enabled. */
4398 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4399 rc = bnx2_init_5709_context(bp);
4400 if (rc)
4401 return rc;
4402 } else
4403 bnx2_init_context(bp);
4404
4405 if ((rc = bnx2_init_cpus(bp)) != 0)
4406 return rc;
4407
4408 bnx2_init_nvram(bp);
4409
4410 bnx2_set_mac_addr(bp);
4411
4412 val = REG_RD(bp, BNX2_MQ_CONFIG);
4413 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4414 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4415 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4416 val |= BNX2_MQ_CONFIG_HALT_DIS;
4417
4418 REG_WR(bp, BNX2_MQ_CONFIG, val);
4419
4420 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4421 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4422 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4423
4424 val = (BCM_PAGE_BITS - 8) << 24;
4425 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4426
4427 /* Configure page size. */
4428 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4429 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4430 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4431 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4432
4433 val = bp->mac_addr[0] +
4434 (bp->mac_addr[1] << 8) +
4435 (bp->mac_addr[2] << 16) +
4436 bp->mac_addr[3] +
4437 (bp->mac_addr[4] << 8) +
4438 (bp->mac_addr[5] << 16);
4439 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4440
4441 /* Program the MTU. Also include 4 bytes for CRC32. */
4442 val = bp->dev->mtu + ETH_HLEN + 4;
4443 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4444 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4445 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4446
4447 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4448 bp->bnx2_napi[i].last_status_idx = 0;
4449
4450 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4451
4452 /* Set up how to generate a link change interrupt. */
4453 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4454
4455 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4456 (u64) bp->status_blk_mapping & 0xffffffff);
4457 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4458
4459 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4460 (u64) bp->stats_blk_mapping & 0xffffffff);
4461 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4462 (u64) bp->stats_blk_mapping >> 32);
4463
4464 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4465 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4466
4467 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4468 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4469
4470 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4471 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4472
4473 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4474
4475 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4476
4477 REG_WR(bp, BNX2_HC_COM_TICKS,
4478 (bp->com_ticks_int << 16) | bp->com_ticks);
4479
4480 REG_WR(bp, BNX2_HC_CMD_TICKS,
4481 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4482
4483 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4484 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4485 else
4486 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4487 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4488
4489 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4490 val = BNX2_HC_CONFIG_COLLECT_STATS;
4491 else {
4492 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4493 BNX2_HC_CONFIG_COLLECT_STATS;
4494 }
4495
4496 if (bp->flags & BNX2_FLAG_USING_MSIX) {
4497 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4498 BNX2_HC_SB_CONFIG_1;
4499
4500 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4501 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4502
4503 REG_WR(bp, base,
4504 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4505 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4506
4507 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4508 (bp->tx_quick_cons_trip_int << 16) |
4509 bp->tx_quick_cons_trip);
4510
4511 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4512 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4513
4514 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4515 }
4516
4517 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4518 val |= BNX2_HC_CONFIG_ONE_SHOT;
4519
4520 REG_WR(bp, BNX2_HC_CONFIG, val);
4521
4522 /* Clear internal stats counters. */
4523 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4524
4525 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4526
4527 /* Initialize the receive filter. */
4528 bnx2_set_rx_mode(bp->dev);
4529
4530 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4531 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4532 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4533 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4534 }
4535 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4536 0);
4537
4538 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4539 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4540
4541 udelay(20);
4542
4543 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4544
4545 return rc;
4546 }
4547
4548 static void
4549 bnx2_clear_ring_states(struct bnx2 *bp)
4550 {
4551 struct bnx2_napi *bnapi;
4552 int i;
4553
4554 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4555 bnapi = &bp->bnx2_napi[i];
4556
4557 bnapi->tx_cons = 0;
4558 bnapi->hw_tx_cons = 0;
4559 bnapi->rx_prod_bseq = 0;
4560 bnapi->rx_prod = 0;
4561 bnapi->rx_cons = 0;
4562 bnapi->rx_pg_prod = 0;
4563 bnapi->rx_pg_cons = 0;
4564 }
4565 }
4566
4567 static void
4568 bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4569 {
4570 u32 val, offset0, offset1, offset2, offset3;
4571 u32 cid_addr = GET_CID_ADDR(cid);
4572
4573 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4574 offset0 = BNX2_L2CTX_TYPE_XI;
4575 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4576 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4577 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4578 } else {
4579 offset0 = BNX2_L2CTX_TYPE;
4580 offset1 = BNX2_L2CTX_CMD_TYPE;
4581 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4582 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4583 }
4584 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4585 bnx2_ctx_wr(bp, cid_addr, offset0, val);
4586
4587 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4588 bnx2_ctx_wr(bp, cid_addr, offset1, val);
4589
4590 val = (u64) bp->tx_desc_mapping >> 32;
4591 bnx2_ctx_wr(bp, cid_addr, offset2, val);
4592
4593 val = (u64) bp->tx_desc_mapping & 0xffffffff;
4594 bnx2_ctx_wr(bp, cid_addr, offset3, val);
4595 }
4596
4597 static void
4598 bnx2_init_tx_ring(struct bnx2 *bp)
4599 {
4600 struct tx_bd *txbd;
4601 u32 cid = TX_CID;
4602 struct bnx2_napi *bnapi;
4603
4604 bp->tx_vec = 0;
4605 if (bp->flags & BNX2_FLAG_USING_MSIX) {
4606 cid = TX_TSS_CID;
4607 bp->tx_vec = BNX2_TX_VEC;
4608 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4609 (TX_TSS_CID << 7));
4610 }
4611 bnapi = &bp->bnx2_napi[bp->tx_vec];
4612
4613 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4614
4615 txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4616
4617 txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4618 txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4619
4620 bp->tx_prod = 0;
4621 bp->tx_prod_bseq = 0;
4622
4623 bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4624 bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4625
4626 bnx2_init_tx_context(bp, cid);
4627 }
4628
4629 static void
4630 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4631 int num_rings)
4632 {
4633 int i;
4634 struct rx_bd *rxbd;
4635
4636 for (i = 0; i < num_rings; i++) {
4637 int j;
4638
4639 rxbd = &rx_ring[i][0];
4640 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4641 rxbd->rx_bd_len = buf_size;
4642 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4643 }
4644 if (i == (num_rings - 1))
4645 j = 0;
4646 else
4647 j = i + 1;
4648 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4649 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4650 }
4651 }
4652
4653 static void
4654 bnx2_init_rx_ring(struct bnx2 *bp)
4655 {
4656 int i;
4657 u16 prod, ring_prod;
4658 u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
4659 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
4660
4661 bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4662 bp->rx_buf_use_size, bp->rx_max_ring);
4663
4664 bnx2_init_rx_context0(bp);
4665
4666 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4667 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4668 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4669 }
4670
4671 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4672 if (bp->rx_pg_ring_size) {
4673 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4674 bp->rx_pg_desc_mapping,
4675 PAGE_SIZE, bp->rx_max_pg_ring);
4676 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4677 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4678 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4679 BNX2_L2CTX_RBDC_JUMBO_KEY);
4680
4681 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
4682 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4683
4684 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
4685 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4686
4687 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4688 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4689 }
4690
4691 val = (u64) bp->rx_desc_mapping[0] >> 32;
4692 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4693
4694 val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4695 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4696
4697 ring_prod = prod = bnapi->rx_pg_prod;
4698 for (i = 0; i < bp->rx_pg_ring_size; i++) {
4699 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4700 break;
4701 prod = NEXT_RX_BD(prod);
4702 ring_prod = RX_PG_RING_IDX(prod);
4703 }
4704 bnapi->rx_pg_prod = prod;
4705
4706 ring_prod = prod = bnapi->rx_prod;
4707 for (i = 0; i < bp->rx_ring_size; i++) {
4708 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
4709 break;
4710 }
4711 prod = NEXT_RX_BD(prod);
4712 ring_prod = RX_RING_IDX(prod);
4713 }
4714 bnapi->rx_prod = prod;
4715
4716 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4717 bnapi->rx_pg_prod);
4718 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4719
4720 REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
4721 }
4722
4723 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4724 {
4725 u32 max, num_rings = 1;
4726
4727 while (ring_size > MAX_RX_DESC_CNT) {
4728 ring_size -= MAX_RX_DESC_CNT;
4729 num_rings++;
4730 }
4731 /* round to next power of 2 */
4732 max = max_size;
4733 while ((max & num_rings) == 0)
4734 max >>= 1;
4735
4736 if (num_rings != max)
4737 max <<= 1;
4738
4739 return max;
4740 }
4741
4742 static void
4743 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4744 {
4745 u32 rx_size, rx_space, jumbo_size;
4746
4747 /* 8 for CRC and VLAN */
4748 rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4749
4750 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4751 sizeof(struct skb_shared_info);
4752
4753 bp->rx_copy_thresh = RX_COPY_THRESH;
4754 bp->rx_pg_ring_size = 0;
4755 bp->rx_max_pg_ring = 0;
4756 bp->rx_max_pg_ring_idx = 0;
4757 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4758 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4759
4760 jumbo_size = size * pages;
4761 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4762 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4763
4764 bp->rx_pg_ring_size = jumbo_size;
4765 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4766 MAX_RX_PG_RINGS);
4767 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4768 rx_size = RX_COPY_THRESH + bp->rx_offset;
4769 bp->rx_copy_thresh = 0;
4770 }
4771
4772 bp->rx_buf_use_size = rx_size;
4773 /* hw alignment */
4774 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4775 bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
4776 bp->rx_ring_size = size;
4777 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4778 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4779 }
4780
4781 static void
4782 bnx2_free_tx_skbs(struct bnx2 *bp)
4783 {
4784 int i;
4785
4786 if (bp->tx_buf_ring == NULL)
4787 return;
4788
4789 for (i = 0; i < TX_DESC_CNT; ) {
4790 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4791 struct sk_buff *skb = tx_buf->skb;
4792 int j, last;
4793
4794 if (skb == NULL) {
4795 i++;
4796 continue;
4797 }
4798
4799 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4800 skb_headlen(skb), PCI_DMA_TODEVICE);
4801
4802 tx_buf->skb = NULL;
4803
4804 last = skb_shinfo(skb)->nr_frags;
4805 for (j = 0; j < last; j++) {
4806 tx_buf = &bp->tx_buf_ring[i + j + 1];
4807 pci_unmap_page(bp->pdev,
4808 pci_unmap_addr(tx_buf, mapping),
4809 skb_shinfo(skb)->frags[j].size,
4810 PCI_DMA_TODEVICE);
4811 }
4812 dev_kfree_skb(skb);
4813 i += j + 1;
4814 }
4815
4816 }
4817
4818 static void
4819 bnx2_free_rx_skbs(struct bnx2 *bp)
4820 {
4821 int i;
4822
4823 if (bp->rx_buf_ring == NULL)
4824 return;
4825
4826 for (i = 0; i < bp->rx_max_ring_idx; i++) {
4827 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4828 struct sk_buff *skb = rx_buf->skb;
4829
4830 if (skb == NULL)
4831 continue;
4832
4833 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4834 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4835
4836 rx_buf->skb = NULL;
4837
4838 dev_kfree_skb(skb);
4839 }
4840 for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4841 bnx2_free_rx_page(bp, i);
4842 }
4843
4844 static void
4845 bnx2_free_skbs(struct bnx2 *bp)
4846 {
4847 bnx2_free_tx_skbs(bp);
4848 bnx2_free_rx_skbs(bp);
4849 }
4850
4851 static int
4852 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4853 {
4854 int rc;
4855
4856 rc = bnx2_reset_chip(bp, reset_code);
4857 bnx2_free_skbs(bp);
4858 if (rc)
4859 return rc;
4860
4861 if ((rc = bnx2_init_chip(bp)) != 0)
4862 return rc;
4863
4864 bnx2_clear_ring_states(bp);
4865 bnx2_init_tx_ring(bp);
4866 bnx2_init_rx_ring(bp);
4867 return 0;
4868 }
4869
4870 static int
4871 bnx2_init_nic(struct bnx2 *bp)
4872 {
4873 int rc;
4874
4875 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4876 return rc;
4877
4878 spin_lock_bh(&bp->phy_lock);
4879 bnx2_init_phy(bp);
4880 bnx2_set_link(bp);
4881 spin_unlock_bh(&bp->phy_lock);
4882 return 0;
4883 }
4884
4885 static int
4886 bnx2_test_registers(struct bnx2 *bp)
4887 {
4888 int ret;
4889 int i, is_5709;
4890 static const struct {
4891 u16 offset;
4892 u16 flags;
4893 #define BNX2_FL_NOT_5709 1
4894 u32 rw_mask;
4895 u32 ro_mask;
4896 } reg_tbl[] = {
4897 { 0x006c, 0, 0x00000000, 0x0000003f },
4898 { 0x0090, 0, 0xffffffff, 0x00000000 },
4899 { 0x0094, 0, 0x00000000, 0x00000000 },
4900
4901 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4902 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4903 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4904 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4905 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4906 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4907 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4908 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4909 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4910
4911 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4912 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4913 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4914 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4915 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4916 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4917
4918 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4919 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4920 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
4921
4922 { 0x1000, 0, 0x00000000, 0x00000001 },
4923 { 0x1004, 0, 0x00000000, 0x000f0001 },
4924
4925 { 0x1408, 0, 0x01c00800, 0x00000000 },
4926 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4927 { 0x14a8, 0, 0x00000000, 0x000001ff },
4928 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
4929 { 0x14b0, 0, 0x00000002, 0x00000001 },
4930 { 0x14b8, 0, 0x00000000, 0x00000000 },
4931 { 0x14c0, 0, 0x00000000, 0x00000009 },
4932 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4933 { 0x14cc, 0, 0x00000000, 0x00000001 },
4934 { 0x14d0, 0, 0xffffffff, 0x00000000 },
4935
4936 { 0x1800, 0, 0x00000000, 0x00000001 },
4937 { 0x1804, 0, 0x00000000, 0x00000003 },
4938
4939 { 0x2800, 0, 0x00000000, 0x00000001 },
4940 { 0x2804, 0, 0x00000000, 0x00003f01 },
4941 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4942 { 0x2810, 0, 0xffff0000, 0x00000000 },
4943 { 0x2814, 0, 0xffff0000, 0x00000000 },
4944 { 0x2818, 0, 0xffff0000, 0x00000000 },
4945 { 0x281c, 0, 0xffff0000, 0x00000000 },
4946 { 0x2834, 0, 0xffffffff, 0x00000000 },
4947 { 0x2840, 0, 0x00000000, 0xffffffff },
4948 { 0x2844, 0, 0x00000000, 0xffffffff },
4949 { 0x2848, 0, 0xffffffff, 0x00000000 },
4950 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4951
4952 { 0x2c00, 0, 0x00000000, 0x00000011 },
4953 { 0x2c04, 0, 0x00000000, 0x00030007 },
4954
4955 { 0x3c00, 0, 0x00000000, 0x00000001 },
4956 { 0x3c04, 0, 0x00000000, 0x00070000 },
4957 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4958 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4959 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4960 { 0x3c14, 0, 0x00000000, 0xffffffff },
4961 { 0x3c18, 0, 0x00000000, 0xffffffff },
4962 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4963 { 0x3c20, 0, 0xffffff00, 0x00000000 },
4964
4965 { 0x5004, 0, 0x00000000, 0x0000007f },
4966 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
4967
4968 { 0x5c00, 0, 0x00000000, 0x00000001 },
4969 { 0x5c04, 0, 0x00000000, 0x0003000f },
4970 { 0x5c08, 0, 0x00000003, 0x00000000 },
4971 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4972 { 0x5c10, 0, 0x00000000, 0xffffffff },
4973 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4974 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4975 { 0x5c88, 0, 0x00000000, 0x00077373 },
4976 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4977
4978 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4979 { 0x680c, 0, 0xffffffff, 0x00000000 },
4980 { 0x6810, 0, 0xffffffff, 0x00000000 },
4981 { 0x6814, 0, 0xffffffff, 0x00000000 },
4982 { 0x6818, 0, 0xffffffff, 0x00000000 },
4983 { 0x681c, 0, 0xffffffff, 0x00000000 },
4984 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4985 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4986 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4987 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4988 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4989 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4990 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4991 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4992 { 0x6840, 0, 0x00000ff0, 0x00000000 },
4993 { 0x6844, 0, 0x00ffff00, 0x00000000 },
4994 { 0x684c, 0, 0xffffffff, 0x00000000 },
4995 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
4996 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
4997 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
4998 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
4999 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5000 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5001
5002 { 0xffff, 0, 0x00000000, 0x00000000 },
5003 };
5004
5005 ret = 0;
5006 is_5709 = 0;
5007 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5008 is_5709 = 1;
5009
5010 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5011 u32 offset, rw_mask, ro_mask, save_val, val;
5012 u16 flags = reg_tbl[i].flags;
5013
5014 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5015 continue;
5016
5017 offset = (u32) reg_tbl[i].offset;
5018 rw_mask = reg_tbl[i].rw_mask;
5019 ro_mask = reg_tbl[i].ro_mask;
5020
5021 save_val = readl(bp->regview + offset);
5022
5023 writel(0, bp->regview + offset);
5024
5025 val = readl(bp->regview + offset);
5026 if ((val & rw_mask) != 0) {
5027 goto reg_test_err;
5028 }
5029
5030 if ((val & ro_mask) != (save_val & ro_mask)) {
5031 goto reg_test_err;
5032 }
5033
5034 writel(0xffffffff, bp->regview + offset);
5035
5036 val = readl(bp->regview + offset);
5037 if ((val & rw_mask) != rw_mask) {
5038 goto reg_test_err;
5039 }
5040
5041 if ((val & ro_mask) != (save_val & ro_mask)) {
5042 goto reg_test_err;
5043 }
5044
5045 writel(save_val, bp->regview + offset);
5046 continue;
5047
5048 reg_test_err:
5049 writel(save_val, bp->regview + offset);
5050 ret = -ENODEV;
5051 break;
5052 }
5053 return ret;
5054 }
5055
5056 static int
5057 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5058 {
5059 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5060 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5061 int i;
5062
5063 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5064 u32 offset;
5065
5066 for (offset = 0; offset < size; offset += 4) {
5067
5068 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5069
5070 if (bnx2_reg_rd_ind(bp, start + offset) !=
5071 test_pattern[i]) {
5072 return -ENODEV;
5073 }
5074 }
5075 }
5076 return 0;
5077 }
5078
5079 static int
5080 bnx2_test_memory(struct bnx2 *bp)
5081 {
5082 int ret = 0;
5083 int i;
5084 static struct mem_entry {
5085 u32 offset;
5086 u32 len;
5087 } mem_tbl_5706[] = {
5088 { 0x60000, 0x4000 },
5089 { 0xa0000, 0x3000 },
5090 { 0xe0000, 0x4000 },
5091 { 0x120000, 0x4000 },
5092 { 0x1a0000, 0x4000 },
5093 { 0x160000, 0x4000 },
5094 { 0xffffffff, 0 },
5095 },
5096 mem_tbl_5709[] = {
5097 { 0x60000, 0x4000 },
5098 { 0xa0000, 0x3000 },
5099 { 0xe0000, 0x4000 },
5100 { 0x120000, 0x4000 },
5101 { 0x1a0000, 0x4000 },
5102 { 0xffffffff, 0 },
5103 };
5104 struct mem_entry *mem_tbl;
5105
5106 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5107 mem_tbl = mem_tbl_5709;
5108 else
5109 mem_tbl = mem_tbl_5706;
5110
5111 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5112 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5113 mem_tbl[i].len)) != 0) {
5114 return ret;
5115 }
5116 }
5117
5118 return ret;
5119 }
5120
5121 #define BNX2_MAC_LOOPBACK 0
5122 #define BNX2_PHY_LOOPBACK 1
5123
5124 static int
5125 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5126 {
5127 unsigned int pkt_size, num_pkts, i;
5128 struct sk_buff *skb, *rx_skb;
5129 unsigned char *packet;
5130 u16 rx_start_idx, rx_idx;
5131 dma_addr_t map;
5132 struct tx_bd *txbd;
5133 struct sw_bd *rx_buf;
5134 struct l2_fhdr *rx_hdr;
5135 int ret = -ENODEV;
5136 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5137
5138 tx_napi = bnapi;
5139 if (bp->flags & BNX2_FLAG_USING_MSIX)
5140 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
5141
5142 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5143 bp->loopback = MAC_LOOPBACK;
5144 bnx2_set_mac_loopback(bp);
5145 }
5146 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5147 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5148 return 0;
5149
5150 bp->loopback = PHY_LOOPBACK;
5151 bnx2_set_phy_loopback(bp);
5152 }
5153 else
5154 return -EINVAL;
5155
5156 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5157 skb = netdev_alloc_skb(bp->dev, pkt_size);
5158 if (!skb)
5159 return -ENOMEM;
5160 packet = skb_put(skb, pkt_size);
5161 memcpy(packet, bp->dev->dev_addr, 6);
5162 memset(packet + 6, 0x0, 8);
5163 for (i = 14; i < pkt_size; i++)
5164 packet[i] = (unsigned char) (i & 0xff);
5165
5166 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5167 PCI_DMA_TODEVICE);
5168
5169 REG_WR(bp, BNX2_HC_COMMAND,
5170 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5171
5172 REG_RD(bp, BNX2_HC_COMMAND);
5173
5174 udelay(5);
5175 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5176
5177 num_pkts = 0;
5178
5179 txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
5180
5181 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5182 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5183 txbd->tx_bd_mss_nbytes = pkt_size;
5184 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5185
5186 num_pkts++;
5187 bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5188 bp->tx_prod_bseq += pkt_size;
5189
5190 REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5191 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5192
5193 udelay(100);
5194
5195 REG_WR(bp, BNX2_HC_COMMAND,
5196 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5197
5198 REG_RD(bp, BNX2_HC_COMMAND);
5199
5200 udelay(5);
5201
5202 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5203 dev_kfree_skb(skb);
5204
5205 if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
5206 goto loopback_test_done;
5207
5208 rx_idx = bnx2_get_hw_rx_cons(bnapi);
5209 if (rx_idx != rx_start_idx + num_pkts) {
5210 goto loopback_test_done;
5211 }
5212
5213 rx_buf = &bp->rx_buf_ring[rx_start_idx];
5214 rx_skb = rx_buf->skb;
5215
5216 rx_hdr = (struct l2_fhdr *) rx_skb->data;
5217 skb_reserve(rx_skb, bp->rx_offset);
5218
5219 pci_dma_sync_single_for_cpu(bp->pdev,
5220 pci_unmap_addr(rx_buf, mapping),
5221 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5222
5223 if (rx_hdr->l2_fhdr_status &
5224 (L2_FHDR_ERRORS_BAD_CRC |
5225 L2_FHDR_ERRORS_PHY_DECODE |
5226 L2_FHDR_ERRORS_ALIGNMENT |
5227 L2_FHDR_ERRORS_TOO_SHORT |
5228 L2_FHDR_ERRORS_GIANT_FRAME)) {
5229
5230 goto loopback_test_done;
5231 }
5232
5233 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5234 goto loopback_test_done;
5235 }
5236
5237 for (i = 14; i < pkt_size; i++) {
5238 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5239 goto loopback_test_done;
5240 }
5241 }
5242
5243 ret = 0;
5244
5245 loopback_test_done:
5246 bp->loopback = 0;
5247 return ret;
5248 }
5249
5250 #define BNX2_MAC_LOOPBACK_FAILED 1
5251 #define BNX2_PHY_LOOPBACK_FAILED 2
5252 #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5253 BNX2_PHY_LOOPBACK_FAILED)
5254
5255 static int
5256 bnx2_test_loopback(struct bnx2 *bp)
5257 {
5258 int rc = 0;
5259
5260 if (!netif_running(bp->dev))
5261 return BNX2_LOOPBACK_FAILED;
5262
5263 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5264 spin_lock_bh(&bp->phy_lock);
5265 bnx2_init_phy(bp);
5266 spin_unlock_bh(&bp->phy_lock);
5267 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5268 rc |= BNX2_MAC_LOOPBACK_FAILED;
5269 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5270 rc |= BNX2_PHY_LOOPBACK_FAILED;
5271 return rc;
5272 }
5273
5274 #define NVRAM_SIZE 0x200
5275 #define CRC32_RESIDUAL 0xdebb20e3
5276
5277 static int
5278 bnx2_test_nvram(struct bnx2 *bp)
5279 {
5280 __be32 buf[NVRAM_SIZE / 4];
5281 u8 *data = (u8 *) buf;
5282 int rc = 0;
5283 u32 magic, csum;
5284
5285 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5286 goto test_nvram_done;
5287
5288 magic = be32_to_cpu(buf[0]);
5289 if (magic != 0x669955aa) {
5290 rc = -ENODEV;
5291 goto test_nvram_done;
5292 }
5293
5294 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5295 goto test_nvram_done;
5296
5297 csum = ether_crc_le(0x100, data);
5298 if (csum != CRC32_RESIDUAL) {
5299 rc = -ENODEV;
5300 goto test_nvram_done;
5301 }
5302
5303 csum = ether_crc_le(0x100, data + 0x100);
5304 if (csum != CRC32_RESIDUAL) {
5305 rc = -ENODEV;
5306 }
5307
5308 test_nvram_done:
5309 return rc;
5310 }
5311
5312 static int
5313 bnx2_test_link(struct bnx2 *bp)
5314 {
5315 u32 bmsr;
5316
5317 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5318 if (bp->link_up)
5319 return 0;
5320 return -ENODEV;
5321 }
5322 spin_lock_bh(&bp->phy_lock);
5323 bnx2_enable_bmsr1(bp);
5324 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5325 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5326 bnx2_disable_bmsr1(bp);
5327 spin_unlock_bh(&bp->phy_lock);
5328
5329 if (bmsr & BMSR_LSTATUS) {
5330 return 0;
5331 }
5332 return -ENODEV;
5333 }
5334
5335 static int
5336 bnx2_test_intr(struct bnx2 *bp)
5337 {
5338 int i;
5339 u16 status_idx;
5340
5341 if (!netif_running(bp->dev))
5342 return -ENODEV;
5343
5344 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5345
5346 /* This register is not touched during run-time. */
5347 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5348 REG_RD(bp, BNX2_HC_COMMAND);
5349
5350 for (i = 0; i < 10; i++) {
5351 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5352 status_idx) {
5353
5354 break;
5355 }
5356
5357 msleep_interruptible(10);
5358 }
5359 if (i < 10)
5360 return 0;
5361
5362 return -ENODEV;
5363 }
5364
5365 /* Determining link for parallel detection. */
5366 static int
5367 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5368 {
5369 u32 mode_ctl, an_dbg, exp;
5370
5371 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5372 return 0;
5373
5374 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5375 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5376
5377 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5378 return 0;
5379
5380 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5381 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5382 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5383
5384 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5385 return 0;
5386
5387 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5388 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5389 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5390
5391 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5392 return 0;
5393
5394 return 1;
5395 }
5396
5397 static void
5398 bnx2_5706_serdes_timer(struct bnx2 *bp)
5399 {
5400 int check_link = 1;
5401
5402 spin_lock(&bp->phy_lock);
5403 if (bp->serdes_an_pending) {
5404 bp->serdes_an_pending--;
5405 check_link = 0;
5406 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5407 u32 bmcr;
5408
5409 bp->current_interval = bp->timer_interval;
5410
5411 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5412
5413 if (bmcr & BMCR_ANENABLE) {
5414 if (bnx2_5706_serdes_has_link(bp)) {
5415 bmcr &= ~BMCR_ANENABLE;
5416 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5417 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5418 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5419 }
5420 }
5421 }
5422 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5423 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5424 u32 phy2;
5425
5426 bnx2_write_phy(bp, 0x17, 0x0f01);
5427 bnx2_read_phy(bp, 0x15, &phy2);
5428 if (phy2 & 0x20) {
5429 u32 bmcr;
5430
5431 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5432 bmcr |= BMCR_ANENABLE;
5433 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5434
5435 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5436 }
5437 } else
5438 bp->current_interval = bp->timer_interval;
5439
5440 if (check_link) {
5441 u32 val;
5442
5443 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5444 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5445 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5446
5447 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5448 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5449 bnx2_5706s_force_link_dn(bp, 1);
5450 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5451 } else
5452 bnx2_set_link(bp);
5453 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5454 bnx2_set_link(bp);
5455 }
5456 spin_unlock(&bp->phy_lock);
5457 }
5458
5459 static void
5460 bnx2_5708_serdes_timer(struct bnx2 *bp)
5461 {
5462 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5463 return;
5464
5465 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5466 bp->serdes_an_pending = 0;
5467 return;
5468 }
5469
5470 spin_lock(&bp->phy_lock);
5471 if (bp->serdes_an_pending)
5472 bp->serdes_an_pending--;
5473 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5474 u32 bmcr;
5475
5476 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5477 if (bmcr & BMCR_ANENABLE) {
5478 bnx2_enable_forced_2g5(bp);
5479 bp->current_interval = SERDES_FORCED_TIMEOUT;
5480 } else {
5481 bnx2_disable_forced_2g5(bp);
5482 bp->serdes_an_pending = 2;
5483 bp->current_interval = bp->timer_interval;
5484 }
5485
5486 } else
5487 bp->current_interval = bp->timer_interval;
5488
5489 spin_unlock(&bp->phy_lock);
5490 }
5491
5492 static void
5493 bnx2_timer(unsigned long data)
5494 {
5495 struct bnx2 *bp = (struct bnx2 *) data;
5496
5497 if (!netif_running(bp->dev))
5498 return;
5499
5500 if (atomic_read(&bp->intr_sem) != 0)
5501 goto bnx2_restart_timer;
5502
5503 bnx2_send_heart_beat(bp);
5504
5505 bp->stats_blk->stat_FwRxDrop =
5506 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5507
5508 /* workaround occasional corrupted counters */
5509 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5510 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5511 BNX2_HC_COMMAND_STATS_NOW);
5512
5513 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5514 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5515 bnx2_5706_serdes_timer(bp);
5516 else
5517 bnx2_5708_serdes_timer(bp);
5518 }
5519
5520 bnx2_restart_timer:
5521 mod_timer(&bp->timer, jiffies + bp->current_interval);
5522 }
5523
5524 static int
5525 bnx2_request_irq(struct bnx2 *bp)
5526 {
5527 struct net_device *dev = bp->dev;
5528 unsigned long flags;
5529 struct bnx2_irq *irq;
5530 int rc = 0, i;
5531
5532 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5533 flags = 0;
5534 else
5535 flags = IRQF_SHARED;
5536
5537 for (i = 0; i < bp->irq_nvecs; i++) {
5538 irq = &bp->irq_tbl[i];
5539 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5540 dev);
5541 if (rc)
5542 break;
5543 irq->requested = 1;
5544 }
5545 return rc;
5546 }
5547
5548 static void
5549 bnx2_free_irq(struct bnx2 *bp)
5550 {
5551 struct net_device *dev = bp->dev;
5552 struct bnx2_irq *irq;
5553 int i;
5554
5555 for (i = 0; i < bp->irq_nvecs; i++) {
5556 irq = &bp->irq_tbl[i];
5557 if (irq->requested)
5558 free_irq(irq->vector, dev);
5559 irq->requested = 0;
5560 }
5561 if (bp->flags & BNX2_FLAG_USING_MSI)
5562 pci_disable_msi(bp->pdev);
5563 else if (bp->flags & BNX2_FLAG_USING_MSIX)
5564 pci_disable_msix(bp->pdev);
5565
5566 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5567 }
5568
5569 static void
5570 bnx2_enable_msix(struct bnx2 *bp)
5571 {
5572 int i, rc;
5573 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5574
5575 bnx2_setup_msix_tbl(bp);
5576 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5577 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5578 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5579
5580 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5581 msix_ent[i].entry = i;
5582 msix_ent[i].vector = 0;
5583 }
5584
5585 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5586 if (rc != 0)
5587 return;
5588
5589 bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5590 bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5591
5592 strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5593 strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5594 strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5595 strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5596
5597 bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
5598 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5599 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5600 bp->irq_tbl[i].vector = msix_ent[i].vector;
5601 }
5602
5603 static void
5604 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5605 {
5606 bp->irq_tbl[0].handler = bnx2_interrupt;
5607 strcpy(bp->irq_tbl[0].name, bp->dev->name);
5608 bp->irq_nvecs = 1;
5609 bp->irq_tbl[0].vector = bp->pdev->irq;
5610
5611 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5612 bnx2_enable_msix(bp);
5613
5614 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5615 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5616 if (pci_enable_msi(bp->pdev) == 0) {
5617 bp->flags |= BNX2_FLAG_USING_MSI;
5618 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5619 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5620 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5621 } else
5622 bp->irq_tbl[0].handler = bnx2_msi;
5623
5624 bp->irq_tbl[0].vector = bp->pdev->irq;
5625 }
5626 }
5627 }
5628
5629 /* Called with rtnl_lock */
5630 static int
5631 bnx2_open(struct net_device *dev)
5632 {
5633 struct bnx2 *bp = netdev_priv(dev);
5634 int rc;
5635
5636 netif_carrier_off(dev);
5637
5638 bnx2_set_power_state(bp, PCI_D0);
5639 bnx2_disable_int(bp);
5640
5641 rc = bnx2_alloc_mem(bp);
5642 if (rc)
5643 return rc;
5644
5645 bnx2_setup_int_mode(bp, disable_msi);
5646 bnx2_napi_enable(bp);
5647 rc = bnx2_request_irq(bp);
5648
5649 if (rc) {
5650 bnx2_napi_disable(bp);
5651 bnx2_free_mem(bp);
5652 return rc;
5653 }
5654
5655 rc = bnx2_init_nic(bp);
5656
5657 if (rc) {
5658 bnx2_napi_disable(bp);
5659 bnx2_free_irq(bp);
5660 bnx2_free_skbs(bp);
5661 bnx2_free_mem(bp);
5662 return rc;
5663 }
5664
5665 mod_timer(&bp->timer, jiffies + bp->current_interval);
5666
5667 atomic_set(&bp->intr_sem, 0);
5668
5669 bnx2_enable_int(bp);
5670
5671 if (bp->flags & BNX2_FLAG_USING_MSI) {
5672 /* Test MSI to make sure it is working
5673 * If MSI test fails, go back to INTx mode
5674 */
5675 if (bnx2_test_intr(bp) != 0) {
5676 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5677 " using MSI, switching to INTx mode. Please"
5678 " report this failure to the PCI maintainer"
5679 " and include system chipset information.\n",
5680 bp->dev->name);
5681
5682 bnx2_disable_int(bp);
5683 bnx2_free_irq(bp);
5684
5685 bnx2_setup_int_mode(bp, 1);
5686
5687 rc = bnx2_init_nic(bp);
5688
5689 if (!rc)
5690 rc = bnx2_request_irq(bp);
5691
5692 if (rc) {
5693 bnx2_napi_disable(bp);
5694 bnx2_free_skbs(bp);
5695 bnx2_free_mem(bp);
5696 del_timer_sync(&bp->timer);
5697 return rc;
5698 }
5699 bnx2_enable_int(bp);
5700 }
5701 }
5702 if (bp->flags & BNX2_FLAG_USING_MSI)
5703 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5704 else if (bp->flags & BNX2_FLAG_USING_MSIX)
5705 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5706
5707 netif_start_queue(dev);
5708
5709 return 0;
5710 }
5711
5712 static void
5713 bnx2_reset_task(struct work_struct *work)
5714 {
5715 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5716
5717 if (!netif_running(bp->dev))
5718 return;
5719
5720 bp->in_reset_task = 1;
5721 bnx2_netif_stop(bp);
5722
5723 bnx2_init_nic(bp);
5724
5725 atomic_set(&bp->intr_sem, 1);
5726 bnx2_netif_start(bp);
5727 bp->in_reset_task = 0;
5728 }
5729
5730 static void
5731 bnx2_tx_timeout(struct net_device *dev)
5732 {
5733 struct bnx2 *bp = netdev_priv(dev);
5734
5735 /* This allows the netif to be shutdown gracefully before resetting */
5736 schedule_work(&bp->reset_task);
5737 }
5738
5739 #ifdef BCM_VLAN
5740 /* Called with rtnl_lock */
5741 static void
5742 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5743 {
5744 struct bnx2 *bp = netdev_priv(dev);
5745
5746 bnx2_netif_stop(bp);
5747
5748 bp->vlgrp = vlgrp;
5749 bnx2_set_rx_mode(dev);
5750
5751 bnx2_netif_start(bp);
5752 }
5753 #endif
5754
5755 /* Called with netif_tx_lock.
5756 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5757 * netif_wake_queue().
5758 */
5759 static int
5760 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5761 {
5762 struct bnx2 *bp = netdev_priv(dev);
5763 dma_addr_t mapping;
5764 struct tx_bd *txbd;
5765 struct sw_bd *tx_buf;
5766 u32 len, vlan_tag_flags, last_frag, mss;
5767 u16 prod, ring_prod;
5768 int i;
5769 struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
5770
5771 if (unlikely(bnx2_tx_avail(bp, bnapi) <
5772 (skb_shinfo(skb)->nr_frags + 1))) {
5773 netif_stop_queue(dev);
5774 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5775 dev->name);
5776
5777 return NETDEV_TX_BUSY;
5778 }
5779 len = skb_headlen(skb);
5780 prod = bp->tx_prod;
5781 ring_prod = TX_RING_IDX(prod);
5782
5783 vlan_tag_flags = 0;
5784 if (skb->ip_summed == CHECKSUM_PARTIAL) {
5785 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5786 }
5787
5788 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5789 vlan_tag_flags |=
5790 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5791 }
5792 if ((mss = skb_shinfo(skb)->gso_size)) {
5793 u32 tcp_opt_len, ip_tcp_len;
5794 struct iphdr *iph;
5795
5796 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5797
5798 tcp_opt_len = tcp_optlen(skb);
5799
5800 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5801 u32 tcp_off = skb_transport_offset(skb) -
5802 sizeof(struct ipv6hdr) - ETH_HLEN;
5803
5804 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5805 TX_BD_FLAGS_SW_FLAGS;
5806 if (likely(tcp_off == 0))
5807 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5808 else {
5809 tcp_off >>= 3;
5810 vlan_tag_flags |= ((tcp_off & 0x3) <<
5811 TX_BD_FLAGS_TCP6_OFF0_SHL) |
5812 ((tcp_off & 0x10) <<
5813 TX_BD_FLAGS_TCP6_OFF4_SHL);
5814 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5815 }
5816 } else {
5817 if (skb_header_cloned(skb) &&
5818 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5819 dev_kfree_skb(skb);
5820 return NETDEV_TX_OK;
5821 }
5822
5823 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5824
5825 iph = ip_hdr(skb);
5826 iph->check = 0;
5827 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5828 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5829 iph->daddr, 0,
5830 IPPROTO_TCP,
5831 0);
5832 if (tcp_opt_len || (iph->ihl > 5)) {
5833 vlan_tag_flags |= ((iph->ihl - 5) +
5834 (tcp_opt_len >> 2)) << 8;
5835 }
5836 }
5837 } else
5838 mss = 0;
5839
5840 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5841
5842 tx_buf = &bp->tx_buf_ring[ring_prod];
5843 tx_buf->skb = skb;
5844 pci_unmap_addr_set(tx_buf, mapping, mapping);
5845
5846 txbd = &bp->tx_desc_ring[ring_prod];
5847
5848 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5849 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5850 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5851 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5852
5853 last_frag = skb_shinfo(skb)->nr_frags;
5854
5855 for (i = 0; i < last_frag; i++) {
5856 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5857
5858 prod = NEXT_TX_BD(prod);
5859 ring_prod = TX_RING_IDX(prod);
5860 txbd = &bp->tx_desc_ring[ring_prod];
5861
5862 len = frag->size;
5863 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5864 len, PCI_DMA_TODEVICE);
5865 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5866 mapping, mapping);
5867
5868 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5869 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5870 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5871 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5872
5873 }
5874 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5875
5876 prod = NEXT_TX_BD(prod);
5877 bp->tx_prod_bseq += skb->len;
5878
5879 REG_WR16(bp, bp->tx_bidx_addr, prod);
5880 REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5881
5882 mmiowb();
5883
5884 bp->tx_prod = prod;
5885 dev->trans_start = jiffies;
5886
5887 if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
5888 netif_stop_queue(dev);
5889 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
5890 netif_wake_queue(dev);
5891 }
5892
5893 return NETDEV_TX_OK;
5894 }
5895
5896 /* Called with rtnl_lock */
5897 static int
5898 bnx2_close(struct net_device *dev)
5899 {
5900 struct bnx2 *bp = netdev_priv(dev);
5901 u32 reset_code;
5902
5903 /* Calling flush_scheduled_work() may deadlock because
5904 * linkwatch_event() may be on the workqueue and it will try to get
5905 * the rtnl_lock which we are holding.
5906 */
5907 while (bp->in_reset_task)
5908 msleep(1);
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
WRT350N Kernel Patches