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bnx2: Add workaround to handle missed MSI.
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / bnx2.c
bloba1a3d0e5d2b4ac6c30637ca3f8a308a7d56c5d3a
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 #include <linux/if_vlan.h>
39 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
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 #include <linux/log2.h>
51
52 #include "bnx2.h"
53 #include "bnx2_fw.h"
54 #include "bnx2_fw2.h"
55
56 #define FW_BUF_SIZE 0x10000
57
58 #define DRV_MODULE_NAME "bnx2"
59 #define PFX DRV_MODULE_NAME ": "
60 #define DRV_MODULE_VERSION "1.8.1"
61 #define DRV_MODULE_RELDATE "Oct 7, 2008"
62
63 #define RUN_AT(x) (jiffies + (x))
64
65 /* Time in jiffies before concluding the transmitter is hung. */
66 #define TX_TIMEOUT (5*HZ)
67
68 static char version[] __devinitdata =
69 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
70
71 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
72 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
73 MODULE_LICENSE("GPL");
74 MODULE_VERSION(DRV_MODULE_VERSION);
75
76 static int disable_msi = 0;
77
78 module_param(disable_msi, int, 0);
79 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
80
81 typedef enum {
82 BCM5706 = 0,
83 NC370T,
84 NC370I,
85 BCM5706S,
86 NC370F,
87 BCM5708,
88 BCM5708S,
89 BCM5709,
90 BCM5709S,
91 BCM5716,
92 } board_t;
93
94 /* indexed by board_t, above */
95 static struct {
96 char *name;
97 } board_info[] __devinitdata = {
98 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
99 { "HP NC370T Multifunction Gigabit Server Adapter" },
100 { "HP NC370i Multifunction Gigabit Server Adapter" },
101 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
102 { "HP NC370F Multifunction Gigabit Server Adapter" },
103 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
104 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
105 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
106 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
107 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
108 };
109
110 static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
111 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
112 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
113 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
114 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
115 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
116 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
117 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
119 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
120 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
121 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
122 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
123 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
124 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
125 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
126 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
127 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
128 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
129 { PCI_VENDOR_ID_BROADCOM, 0x163b,
130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
131 { 0, }
132 };
133
134 static struct flash_spec flash_table[] =
135 {
136 #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
137 #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
138 /* Slow EEPROM */
139 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
140 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
141 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
142 "EEPROM - slow"},
143 /* Expansion entry 0001 */
144 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
145 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
146 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
147 "Entry 0001"},
148 /* Saifun SA25F010 (non-buffered flash) */
149 /* strap, cfg1, & write1 need updates */
150 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
151 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
152 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
153 "Non-buffered flash (128kB)"},
154 /* Saifun SA25F020 (non-buffered flash) */
155 /* strap, cfg1, & write1 need updates */
156 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
157 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
158 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
159 "Non-buffered flash (256kB)"},
160 /* Expansion entry 0100 */
161 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
162 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
163 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
164 "Entry 0100"},
165 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
166 {0x19000002, 0x5b808201, 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*2,
169 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
170 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
171 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
172 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
173 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
174 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
175 /* Saifun SA25F005 (non-buffered flash) */
176 /* strap, cfg1, & write1 need updates */
177 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
178 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
179 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
180 "Non-buffered flash (64kB)"},
181 /* Fast EEPROM */
182 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
183 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
184 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
185 "EEPROM - fast"},
186 /* Expansion entry 1001 */
187 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
188 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
189 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
190 "Entry 1001"},
191 /* Expansion entry 1010 */
192 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
193 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
194 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
195 "Entry 1010"},
196 /* ATMEL AT45DB011B (buffered flash) */
197 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
198 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
199 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
200 "Buffered flash (128kB)"},
201 /* Expansion entry 1100 */
202 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1100"},
206 /* Expansion entry 1101 */
207 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
208 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
209 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1101"},
211 /* Ateml Expansion entry 1110 */
212 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
214 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
215 "Entry 1110 (Atmel)"},
216 /* ATMEL AT45DB021B (buffered flash) */
217 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
218 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
219 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
220 "Buffered flash (256kB)"},
221 };
222
223 static struct flash_spec flash_5709 = {
224 .flags = BNX2_NV_BUFFERED,
225 .page_bits = BCM5709_FLASH_PAGE_BITS,
226 .page_size = BCM5709_FLASH_PAGE_SIZE,
227 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
228 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
229 .name = "5709 Buffered flash (256kB)",
230 };
231
232 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
233
234 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
235 {
236 u32 diff;
237
238 smp_mb();
239
240 /* The ring uses 256 indices for 255 entries, one of them
241 * needs to be skipped.
242 */
243 diff = txr->tx_prod - txr->tx_cons;
244 if (unlikely(diff >= TX_DESC_CNT)) {
245 diff &= 0xffff;
246 if (diff == TX_DESC_CNT)
247 diff = MAX_TX_DESC_CNT;
248 }
249 return (bp->tx_ring_size - diff);
250 }
251
252 static u32
253 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
254 {
255 u32 val;
256
257 spin_lock_bh(&bp->indirect_lock);
258 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
259 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
260 spin_unlock_bh(&bp->indirect_lock);
261 return val;
262 }
263
264 static void
265 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
266 {
267 spin_lock_bh(&bp->indirect_lock);
268 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
269 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
270 spin_unlock_bh(&bp->indirect_lock);
271 }
272
273 static void
274 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
275 {
276 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
277 }
278
279 static u32
280 bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
281 {
282 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
283 }
284
285 static void
286 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
287 {
288 offset += cid_addr;
289 spin_lock_bh(&bp->indirect_lock);
290 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
291 int i;
292
293 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
294 REG_WR(bp, BNX2_CTX_CTX_CTRL,
295 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
296 for (i = 0; i < 5; i++) {
297 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
298 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
299 break;
300 udelay(5);
301 }
302 } else {
303 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
304 REG_WR(bp, BNX2_CTX_DATA, val);
305 }
306 spin_unlock_bh(&bp->indirect_lock);
307 }
308
309 static int
310 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
311 {
312 u32 val1;
313 int i, ret;
314
315 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
316 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
317 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
318
319 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
320 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
321
322 udelay(40);
323 }
324
325 val1 = (bp->phy_addr << 21) | (reg << 16) |
326 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
327 BNX2_EMAC_MDIO_COMM_START_BUSY;
328 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
329
330 for (i = 0; i < 50; i++) {
331 udelay(10);
332
333 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
334 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
335 udelay(5);
336
337 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
338 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
339
340 break;
341 }
342 }
343
344 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
345 *val = 0x0;
346 ret = -EBUSY;
347 }
348 else {
349 *val = val1;
350 ret = 0;
351 }
352
353 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
354 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
355 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
356
357 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
358 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
359
360 udelay(40);
361 }
362
363 return ret;
364 }
365
366 static int
367 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
368 {
369 u32 val1;
370 int i, ret;
371
372 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
373 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
374 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
375
376 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
377 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
378
379 udelay(40);
380 }
381
382 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
383 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
384 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
385 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
386
387 for (i = 0; i < 50; i++) {
388 udelay(10);
389
390 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
391 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
392 udelay(5);
393 break;
394 }
395 }
396
397 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
398 ret = -EBUSY;
399 else
400 ret = 0;
401
402 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
403 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
404 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
405
406 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
407 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
408
409 udelay(40);
410 }
411
412 return ret;
413 }
414
415 static void
416 bnx2_disable_int(struct bnx2 *bp)
417 {
418 int i;
419 struct bnx2_napi *bnapi;
420
421 for (i = 0; i < bp->irq_nvecs; i++) {
422 bnapi = &bp->bnx2_napi[i];
423 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
424 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
425 }
426 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
427 }
428
429 static void
430 bnx2_enable_int(struct bnx2 *bp)
431 {
432 int i;
433 struct bnx2_napi *bnapi;
434
435 for (i = 0; i < bp->irq_nvecs; i++) {
436 bnapi = &bp->bnx2_napi[i];
437
438 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
439 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
440 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
441 bnapi->last_status_idx);
442
443 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
444 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
445 bnapi->last_status_idx);
446 }
447 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
448 }
449
450 static void
451 bnx2_disable_int_sync(struct bnx2 *bp)
452 {
453 int i;
454
455 atomic_inc(&bp->intr_sem);
456 bnx2_disable_int(bp);
457 for (i = 0; i < bp->irq_nvecs; i++)
458 synchronize_irq(bp->irq_tbl[i].vector);
459 }
460
461 static void
462 bnx2_napi_disable(struct bnx2 *bp)
463 {
464 int i;
465
466 for (i = 0; i < bp->irq_nvecs; i++)
467 napi_disable(&bp->bnx2_napi[i].napi);
468 }
469
470 static void
471 bnx2_napi_enable(struct bnx2 *bp)
472 {
473 int i;
474
475 for (i = 0; i < bp->irq_nvecs; i++)
476 napi_enable(&bp->bnx2_napi[i].napi);
477 }
478
479 static void
480 bnx2_netif_stop(struct bnx2 *bp)
481 {
482 bnx2_disable_int_sync(bp);
483 if (netif_running(bp->dev)) {
484 bnx2_napi_disable(bp);
485 netif_tx_disable(bp->dev);
486 bp->dev->trans_start = jiffies; /* prevent tx timeout */
487 }
488 }
489
490 static void
491 bnx2_netif_start(struct bnx2 *bp)
492 {
493 if (atomic_dec_and_test(&bp->intr_sem)) {
494 if (netif_running(bp->dev)) {
495 netif_tx_wake_all_queues(bp->dev);
496 bnx2_napi_enable(bp);
497 bnx2_enable_int(bp);
498 }
499 }
500 }
501
502 static void
503 bnx2_free_tx_mem(struct bnx2 *bp)
504 {
505 int i;
506
507 for (i = 0; i < bp->num_tx_rings; i++) {
508 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
509 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
510
511 if (txr->tx_desc_ring) {
512 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
513 txr->tx_desc_ring,
514 txr->tx_desc_mapping);
515 txr->tx_desc_ring = NULL;
516 }
517 kfree(txr->tx_buf_ring);
518 txr->tx_buf_ring = NULL;
519 }
520 }
521
522 static void
523 bnx2_free_rx_mem(struct bnx2 *bp)
524 {
525 int i;
526
527 for (i = 0; i < bp->num_rx_rings; i++) {
528 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
529 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
530 int j;
531
532 for (j = 0; j < bp->rx_max_ring; j++) {
533 if (rxr->rx_desc_ring[j])
534 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
535 rxr->rx_desc_ring[j],
536 rxr->rx_desc_mapping[j]);
537 rxr->rx_desc_ring[j] = NULL;
538 }
539 if (rxr->rx_buf_ring)
540 vfree(rxr->rx_buf_ring);
541 rxr->rx_buf_ring = NULL;
542
543 for (j = 0; j < bp->rx_max_pg_ring; j++) {
544 if (rxr->rx_pg_desc_ring[j])
545 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
546 rxr->rx_pg_desc_ring[i],
547 rxr->rx_pg_desc_mapping[i]);
548 rxr->rx_pg_desc_ring[i] = NULL;
549 }
550 if (rxr->rx_pg_ring)
551 vfree(rxr->rx_pg_ring);
552 rxr->rx_pg_ring = NULL;
553 }
554 }
555
556 static int
557 bnx2_alloc_tx_mem(struct bnx2 *bp)
558 {
559 int i;
560
561 for (i = 0; i < bp->num_tx_rings; i++) {
562 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
563 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
564
565 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
566 if (txr->tx_buf_ring == NULL)
567 return -ENOMEM;
568
569 txr->tx_desc_ring =
570 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
571 &txr->tx_desc_mapping);
572 if (txr->tx_desc_ring == NULL)
573 return -ENOMEM;
574 }
575 return 0;
576 }
577
578 static int
579 bnx2_alloc_rx_mem(struct bnx2 *bp)
580 {
581 int i;
582
583 for (i = 0; i < bp->num_rx_rings; i++) {
584 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
585 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
586 int j;
587
588 rxr->rx_buf_ring =
589 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
590 if (rxr->rx_buf_ring == NULL)
591 return -ENOMEM;
592
593 memset(rxr->rx_buf_ring, 0,
594 SW_RXBD_RING_SIZE * bp->rx_max_ring);
595
596 for (j = 0; j < bp->rx_max_ring; j++) {
597 rxr->rx_desc_ring[j] =
598 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
599 &rxr->rx_desc_mapping[j]);
600 if (rxr->rx_desc_ring[j] == NULL)
601 return -ENOMEM;
602
603 }
604
605 if (bp->rx_pg_ring_size) {
606 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
607 bp->rx_max_pg_ring);
608 if (rxr->rx_pg_ring == NULL)
609 return -ENOMEM;
610
611 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
612 bp->rx_max_pg_ring);
613 }
614
615 for (j = 0; j < bp->rx_max_pg_ring; j++) {
616 rxr->rx_pg_desc_ring[j] =
617 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
618 &rxr->rx_pg_desc_mapping[j]);
619 if (rxr->rx_pg_desc_ring[j] == NULL)
620 return -ENOMEM;
621
622 }
623 }
624 return 0;
625 }
626
627 static void
628 bnx2_free_mem(struct bnx2 *bp)
629 {
630 int i;
631 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
632
633 bnx2_free_tx_mem(bp);
634 bnx2_free_rx_mem(bp);
635
636 for (i = 0; i < bp->ctx_pages; i++) {
637 if (bp->ctx_blk[i]) {
638 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
639 bp->ctx_blk[i],
640 bp->ctx_blk_mapping[i]);
641 bp->ctx_blk[i] = NULL;
642 }
643 }
644 if (bnapi->status_blk.msi) {
645 pci_free_consistent(bp->pdev, bp->status_stats_size,
646 bnapi->status_blk.msi,
647 bp->status_blk_mapping);
648 bnapi->status_blk.msi = NULL;
649 bp->stats_blk = NULL;
650 }
651 }
652
653 static int
654 bnx2_alloc_mem(struct bnx2 *bp)
655 {
656 int i, status_blk_size, err;
657 struct bnx2_napi *bnapi;
658 void *status_blk;
659
660 /* Combine status and statistics blocks into one allocation. */
661 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
662 if (bp->flags & BNX2_FLAG_MSIX_CAP)
663 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
664 BNX2_SBLK_MSIX_ALIGN_SIZE);
665 bp->status_stats_size = status_blk_size +
666 sizeof(struct statistics_block);
667
668 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
669 &bp->status_blk_mapping);
670 if (status_blk == NULL)
671 goto alloc_mem_err;
672
673 memset(status_blk, 0, bp->status_stats_size);
674
675 bnapi = &bp->bnx2_napi[0];
676 bnapi->status_blk.msi = status_blk;
677 bnapi->hw_tx_cons_ptr =
678 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
679 bnapi->hw_rx_cons_ptr =
680 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
681 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
682 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
683 struct status_block_msix *sblk;
684
685 bnapi = &bp->bnx2_napi[i];
686
687 sblk = (void *) (status_blk +
688 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
689 bnapi->status_blk.msix = sblk;
690 bnapi->hw_tx_cons_ptr =
691 &sblk->status_tx_quick_consumer_index;
692 bnapi->hw_rx_cons_ptr =
693 &sblk->status_rx_quick_consumer_index;
694 bnapi->int_num = i << 24;
695 }
696 }
697
698 bp->stats_blk = status_blk + status_blk_size;
699
700 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
701
702 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
703 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
704 if (bp->ctx_pages == 0)
705 bp->ctx_pages = 1;
706 for (i = 0; i < bp->ctx_pages; i++) {
707 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
708 BCM_PAGE_SIZE,
709 &bp->ctx_blk_mapping[i]);
710 if (bp->ctx_blk[i] == NULL)
711 goto alloc_mem_err;
712 }
713 }
714
715 err = bnx2_alloc_rx_mem(bp);
716 if (err)
717 goto alloc_mem_err;
718
719 err = bnx2_alloc_tx_mem(bp);
720 if (err)
721 goto alloc_mem_err;
722
723 return 0;
724
725 alloc_mem_err:
726 bnx2_free_mem(bp);
727 return -ENOMEM;
728 }
729
730 static void
731 bnx2_report_fw_link(struct bnx2 *bp)
732 {
733 u32 fw_link_status = 0;
734
735 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
736 return;
737
738 if (bp->link_up) {
739 u32 bmsr;
740
741 switch (bp->line_speed) {
742 case SPEED_10:
743 if (bp->duplex == DUPLEX_HALF)
744 fw_link_status = BNX2_LINK_STATUS_10HALF;
745 else
746 fw_link_status = BNX2_LINK_STATUS_10FULL;
747 break;
748 case SPEED_100:
749 if (bp->duplex == DUPLEX_HALF)
750 fw_link_status = BNX2_LINK_STATUS_100HALF;
751 else
752 fw_link_status = BNX2_LINK_STATUS_100FULL;
753 break;
754 case SPEED_1000:
755 if (bp->duplex == DUPLEX_HALF)
756 fw_link_status = BNX2_LINK_STATUS_1000HALF;
757 else
758 fw_link_status = BNX2_LINK_STATUS_1000FULL;
759 break;
760 case SPEED_2500:
761 if (bp->duplex == DUPLEX_HALF)
762 fw_link_status = BNX2_LINK_STATUS_2500HALF;
763 else
764 fw_link_status = BNX2_LINK_STATUS_2500FULL;
765 break;
766 }
767
768 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
769
770 if (bp->autoneg) {
771 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
772
773 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
774 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
775
776 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
777 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
778 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
779 else
780 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
781 }
782 }
783 else
784 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
785
786 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
787 }
788
789 static char *
790 bnx2_xceiver_str(struct bnx2 *bp)
791 {
792 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
793 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
794 "Copper"));
795 }
796
797 static void
798 bnx2_report_link(struct bnx2 *bp)
799 {
800 if (bp->link_up) {
801 netif_carrier_on(bp->dev);
802 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
803 bnx2_xceiver_str(bp));
804
805 printk("%d Mbps ", bp->line_speed);
806
807 if (bp->duplex == DUPLEX_FULL)
808 printk("full duplex");
809 else
810 printk("half duplex");
811
812 if (bp->flow_ctrl) {
813 if (bp->flow_ctrl & FLOW_CTRL_RX) {
814 printk(", receive ");
815 if (bp->flow_ctrl & FLOW_CTRL_TX)
816 printk("& transmit ");
817 }
818 else {
819 printk(", transmit ");
820 }
821 printk("flow control ON");
822 }
823 printk("\n");
824 }
825 else {
826 netif_carrier_off(bp->dev);
827 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
828 bnx2_xceiver_str(bp));
829 }
830
831 bnx2_report_fw_link(bp);
832 }
833
834 static void
835 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
836 {
837 u32 local_adv, remote_adv;
838
839 bp->flow_ctrl = 0;
840 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
841 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
842
843 if (bp->duplex == DUPLEX_FULL) {
844 bp->flow_ctrl = bp->req_flow_ctrl;
845 }
846 return;
847 }
848
849 if (bp->duplex != DUPLEX_FULL) {
850 return;
851 }
852
853 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
854 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
855 u32 val;
856
857 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
858 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
859 bp->flow_ctrl |= FLOW_CTRL_TX;
860 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
861 bp->flow_ctrl |= FLOW_CTRL_RX;
862 return;
863 }
864
865 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
866 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
867
868 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
869 u32 new_local_adv = 0;
870 u32 new_remote_adv = 0;
871
872 if (local_adv & ADVERTISE_1000XPAUSE)
873 new_local_adv |= ADVERTISE_PAUSE_CAP;
874 if (local_adv & ADVERTISE_1000XPSE_ASYM)
875 new_local_adv |= ADVERTISE_PAUSE_ASYM;
876 if (remote_adv & ADVERTISE_1000XPAUSE)
877 new_remote_adv |= ADVERTISE_PAUSE_CAP;
878 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
879 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
880
881 local_adv = new_local_adv;
882 remote_adv = new_remote_adv;
883 }
884
885 /* See Table 28B-3 of 802.3ab-1999 spec. */
886 if (local_adv & ADVERTISE_PAUSE_CAP) {
887 if(local_adv & ADVERTISE_PAUSE_ASYM) {
888 if (remote_adv & ADVERTISE_PAUSE_CAP) {
889 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
890 }
891 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
892 bp->flow_ctrl = FLOW_CTRL_RX;
893 }
894 }
895 else {
896 if (remote_adv & ADVERTISE_PAUSE_CAP) {
897 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
898 }
899 }
900 }
901 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
902 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
903 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
904
905 bp->flow_ctrl = FLOW_CTRL_TX;
906 }
907 }
908 }
909
910 static int
911 bnx2_5709s_linkup(struct bnx2 *bp)
912 {
913 u32 val, speed;
914
915 bp->link_up = 1;
916
917 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
918 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
919 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
920
921 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
922 bp->line_speed = bp->req_line_speed;
923 bp->duplex = bp->req_duplex;
924 return 0;
925 }
926 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
927 switch (speed) {
928 case MII_BNX2_GP_TOP_AN_SPEED_10:
929 bp->line_speed = SPEED_10;
930 break;
931 case MII_BNX2_GP_TOP_AN_SPEED_100:
932 bp->line_speed = SPEED_100;
933 break;
934 case MII_BNX2_GP_TOP_AN_SPEED_1G:
935 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
936 bp->line_speed = SPEED_1000;
937 break;
938 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
939 bp->line_speed = SPEED_2500;
940 break;
941 }
942 if (val & MII_BNX2_GP_TOP_AN_FD)
943 bp->duplex = DUPLEX_FULL;
944 else
945 bp->duplex = DUPLEX_HALF;
946 return 0;
947 }
948
949 static int
950 bnx2_5708s_linkup(struct bnx2 *bp)
951 {
952 u32 val;
953
954 bp->link_up = 1;
955 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
956 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
957 case BCM5708S_1000X_STAT1_SPEED_10:
958 bp->line_speed = SPEED_10;
959 break;
960 case BCM5708S_1000X_STAT1_SPEED_100:
961 bp->line_speed = SPEED_100;
962 break;
963 case BCM5708S_1000X_STAT1_SPEED_1G:
964 bp->line_speed = SPEED_1000;
965 break;
966 case BCM5708S_1000X_STAT1_SPEED_2G5:
967 bp->line_speed = SPEED_2500;
968 break;
969 }
970 if (val & BCM5708S_1000X_STAT1_FD)
971 bp->duplex = DUPLEX_FULL;
972 else
973 bp->duplex = DUPLEX_HALF;
974
975 return 0;
976 }
977
978 static int
979 bnx2_5706s_linkup(struct bnx2 *bp)
980 {
981 u32 bmcr, local_adv, remote_adv, common;
982
983 bp->link_up = 1;
984 bp->line_speed = SPEED_1000;
985
986 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
987 if (bmcr & BMCR_FULLDPLX) {
988 bp->duplex = DUPLEX_FULL;
989 }
990 else {
991 bp->duplex = DUPLEX_HALF;
992 }
993
994 if (!(bmcr & BMCR_ANENABLE)) {
995 return 0;
996 }
997
998 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
999 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1000
1001 common = local_adv & remote_adv;
1002 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1003
1004 if (common & ADVERTISE_1000XFULL) {
1005 bp->duplex = DUPLEX_FULL;
1006 }
1007 else {
1008 bp->duplex = DUPLEX_HALF;
1009 }
1010 }
1011
1012 return 0;
1013 }
1014
1015 static int
1016 bnx2_copper_linkup(struct bnx2 *bp)
1017 {
1018 u32 bmcr;
1019
1020 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1021 if (bmcr & BMCR_ANENABLE) {
1022 u32 local_adv, remote_adv, common;
1023
1024 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1025 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1026
1027 common = local_adv & (remote_adv >> 2);
1028 if (common & ADVERTISE_1000FULL) {
1029 bp->line_speed = SPEED_1000;
1030 bp->duplex = DUPLEX_FULL;
1031 }
1032 else if (common & ADVERTISE_1000HALF) {
1033 bp->line_speed = SPEED_1000;
1034 bp->duplex = DUPLEX_HALF;
1035 }
1036 else {
1037 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1038 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1039
1040 common = local_adv & remote_adv;
1041 if (common & ADVERTISE_100FULL) {
1042 bp->line_speed = SPEED_100;
1043 bp->duplex = DUPLEX_FULL;
1044 }
1045 else if (common & ADVERTISE_100HALF) {
1046 bp->line_speed = SPEED_100;
1047 bp->duplex = DUPLEX_HALF;
1048 }
1049 else if (common & ADVERTISE_10FULL) {
1050 bp->line_speed = SPEED_10;
1051 bp->duplex = DUPLEX_FULL;
1052 }
1053 else if (common & ADVERTISE_10HALF) {
1054 bp->line_speed = SPEED_10;
1055 bp->duplex = DUPLEX_HALF;
1056 }
1057 else {
1058 bp->line_speed = 0;
1059 bp->link_up = 0;
1060 }
1061 }
1062 }
1063 else {
1064 if (bmcr & BMCR_SPEED100) {
1065 bp->line_speed = SPEED_100;
1066 }
1067 else {
1068 bp->line_speed = SPEED_10;
1069 }
1070 if (bmcr & BMCR_FULLDPLX) {
1071 bp->duplex = DUPLEX_FULL;
1072 }
1073 else {
1074 bp->duplex = DUPLEX_HALF;
1075 }
1076 }
1077
1078 return 0;
1079 }
1080
1081 static void
1082 bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
1083 {
1084 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
1085
1086 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1087 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1088 val |= 0x02 << 8;
1089
1090 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1091 u32 lo_water, hi_water;
1092
1093 if (bp->flow_ctrl & FLOW_CTRL_TX)
1094 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1095 else
1096 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1097 if (lo_water >= bp->rx_ring_size)
1098 lo_water = 0;
1099
1100 hi_water = bp->rx_ring_size / 4;
1101
1102 if (hi_water <= lo_water)
1103 lo_water = 0;
1104
1105 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1106 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1107
1108 if (hi_water > 0xf)
1109 hi_water = 0xf;
1110 else if (hi_water == 0)
1111 lo_water = 0;
1112 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1113 }
1114 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1115 }
1116
1117 static void
1118 bnx2_init_all_rx_contexts(struct bnx2 *bp)
1119 {
1120 int i;
1121 u32 cid;
1122
1123 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1124 if (i == 1)
1125 cid = RX_RSS_CID;
1126 bnx2_init_rx_context(bp, cid);
1127 }
1128 }
1129
1130 static void
1131 bnx2_set_mac_link(struct bnx2 *bp)
1132 {
1133 u32 val;
1134
1135 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1136 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1137 (bp->duplex == DUPLEX_HALF)) {
1138 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1139 }
1140
1141 /* Configure the EMAC mode register. */
1142 val = REG_RD(bp, BNX2_EMAC_MODE);
1143
1144 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1145 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1146 BNX2_EMAC_MODE_25G_MODE);
1147
1148 if (bp->link_up) {
1149 switch (bp->line_speed) {
1150 case SPEED_10:
1151 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1152 val |= BNX2_EMAC_MODE_PORT_MII_10M;
1153 break;
1154 }
1155 /* fall through */
1156 case SPEED_100:
1157 val |= BNX2_EMAC_MODE_PORT_MII;
1158 break;
1159 case SPEED_2500:
1160 val |= BNX2_EMAC_MODE_25G_MODE;
1161 /* fall through */
1162 case SPEED_1000:
1163 val |= BNX2_EMAC_MODE_PORT_GMII;
1164 break;
1165 }
1166 }
1167 else {
1168 val |= BNX2_EMAC_MODE_PORT_GMII;
1169 }
1170
1171 /* Set the MAC to operate in the appropriate duplex mode. */
1172 if (bp->duplex == DUPLEX_HALF)
1173 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1174 REG_WR(bp, BNX2_EMAC_MODE, val);
1175
1176 /* Enable/disable rx PAUSE. */
1177 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1178
1179 if (bp->flow_ctrl & FLOW_CTRL_RX)
1180 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1181 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1182
1183 /* Enable/disable tx PAUSE. */
1184 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1185 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1186
1187 if (bp->flow_ctrl & FLOW_CTRL_TX)
1188 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1189 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1190
1191 /* Acknowledge the interrupt. */
1192 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1193
1194 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1195 bnx2_init_all_rx_contexts(bp);
1196 }
1197
1198 static void
1199 bnx2_enable_bmsr1(struct bnx2 *bp)
1200 {
1201 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1202 (CHIP_NUM(bp) == CHIP_NUM_5709))
1203 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1204 MII_BNX2_BLK_ADDR_GP_STATUS);
1205 }
1206
1207 static void
1208 bnx2_disable_bmsr1(struct bnx2 *bp)
1209 {
1210 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1211 (CHIP_NUM(bp) == CHIP_NUM_5709))
1212 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1213 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1214 }
1215
1216 static int
1217 bnx2_test_and_enable_2g5(struct bnx2 *bp)
1218 {
1219 u32 up1;
1220 int ret = 1;
1221
1222 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1223 return 0;
1224
1225 if (bp->autoneg & AUTONEG_SPEED)
1226 bp->advertising |= ADVERTISED_2500baseX_Full;
1227
1228 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1229 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1230
1231 bnx2_read_phy(bp, bp->mii_up1, &up1);
1232 if (!(up1 & BCM5708S_UP1_2G5)) {
1233 up1 |= BCM5708S_UP1_2G5;
1234 bnx2_write_phy(bp, bp->mii_up1, up1);
1235 ret = 0;
1236 }
1237
1238 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1239 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1240 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1241
1242 return ret;
1243 }
1244
1245 static int
1246 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1247 {
1248 u32 up1;
1249 int ret = 0;
1250
1251 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1252 return 0;
1253
1254 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1255 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1256
1257 bnx2_read_phy(bp, bp->mii_up1, &up1);
1258 if (up1 & BCM5708S_UP1_2G5) {
1259 up1 &= ~BCM5708S_UP1_2G5;
1260 bnx2_write_phy(bp, bp->mii_up1, up1);
1261 ret = 1;
1262 }
1263
1264 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1265 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1266 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1267
1268 return ret;
1269 }
1270
1271 static void
1272 bnx2_enable_forced_2g5(struct bnx2 *bp)
1273 {
1274 u32 bmcr;
1275
1276 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1277 return;
1278
1279 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1280 u32 val;
1281
1282 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1283 MII_BNX2_BLK_ADDR_SERDES_DIG);
1284 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1285 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1286 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1287 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1288
1289 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1290 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1291 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1292
1293 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1294 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1295 bmcr |= BCM5708S_BMCR_FORCE_2500;
1296 }
1297
1298 if (bp->autoneg & AUTONEG_SPEED) {
1299 bmcr &= ~BMCR_ANENABLE;
1300 if (bp->req_duplex == DUPLEX_FULL)
1301 bmcr |= BMCR_FULLDPLX;
1302 }
1303 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1304 }
1305
1306 static void
1307 bnx2_disable_forced_2g5(struct bnx2 *bp)
1308 {
1309 u32 bmcr;
1310
1311 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1312 return;
1313
1314 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1315 u32 val;
1316
1317 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1318 MII_BNX2_BLK_ADDR_SERDES_DIG);
1319 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1320 val &= ~MII_BNX2_SD_MISC1_FORCE;
1321 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1322
1323 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1324 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1325 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1326
1327 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1328 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1329 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1330 }
1331
1332 if (bp->autoneg & AUTONEG_SPEED)
1333 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1334 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1335 }
1336
1337 static void
1338 bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1339 {
1340 u32 val;
1341
1342 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1343 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1344 if (start)
1345 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1346 else
1347 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1348 }
1349
1350 static int
1351 bnx2_set_link(struct bnx2 *bp)
1352 {
1353 u32 bmsr;
1354 u8 link_up;
1355
1356 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1357 bp->link_up = 1;
1358 return 0;
1359 }
1360
1361 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1362 return 0;
1363
1364 link_up = bp->link_up;
1365
1366 bnx2_enable_bmsr1(bp);
1367 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1368 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1369 bnx2_disable_bmsr1(bp);
1370
1371 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1372 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1373 u32 val, an_dbg;
1374
1375 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1376 bnx2_5706s_force_link_dn(bp, 0);
1377 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1378 }
1379 val = REG_RD(bp, BNX2_EMAC_STATUS);
1380
1381 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1382 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1383 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1384
1385 if ((val & BNX2_EMAC_STATUS_LINK) &&
1386 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1387 bmsr |= BMSR_LSTATUS;
1388 else
1389 bmsr &= ~BMSR_LSTATUS;
1390 }
1391
1392 if (bmsr & BMSR_LSTATUS) {
1393 bp->link_up = 1;
1394
1395 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1396 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1397 bnx2_5706s_linkup(bp);
1398 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1399 bnx2_5708s_linkup(bp);
1400 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1401 bnx2_5709s_linkup(bp);
1402 }
1403 else {
1404 bnx2_copper_linkup(bp);
1405 }
1406 bnx2_resolve_flow_ctrl(bp);
1407 }
1408 else {
1409 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1410 (bp->autoneg & AUTONEG_SPEED))
1411 bnx2_disable_forced_2g5(bp);
1412
1413 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1414 u32 bmcr;
1415
1416 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1417 bmcr |= BMCR_ANENABLE;
1418 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1419
1420 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1421 }
1422 bp->link_up = 0;
1423 }
1424
1425 if (bp->link_up != link_up) {
1426 bnx2_report_link(bp);
1427 }
1428
1429 bnx2_set_mac_link(bp);
1430
1431 return 0;
1432 }
1433
1434 static int
1435 bnx2_reset_phy(struct bnx2 *bp)
1436 {
1437 int i;
1438 u32 reg;
1439
1440 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1441
1442 #define PHY_RESET_MAX_WAIT 100
1443 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1444 udelay(10);
1445
1446 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1447 if (!(reg & BMCR_RESET)) {
1448 udelay(20);
1449 break;
1450 }
1451 }
1452 if (i == PHY_RESET_MAX_WAIT) {
1453 return -EBUSY;
1454 }
1455 return 0;
1456 }
1457
1458 static u32
1459 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1460 {
1461 u32 adv = 0;
1462
1463 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1464 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1465
1466 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1467 adv = ADVERTISE_1000XPAUSE;
1468 }
1469 else {
1470 adv = ADVERTISE_PAUSE_CAP;
1471 }
1472 }
1473 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1474 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1475 adv = ADVERTISE_1000XPSE_ASYM;
1476 }
1477 else {
1478 adv = ADVERTISE_PAUSE_ASYM;
1479 }
1480 }
1481 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1482 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1483 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1484 }
1485 else {
1486 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1487 }
1488 }
1489 return adv;
1490 }
1491
1492 static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
1493
1494 static int
1495 bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1496 {
1497 u32 speed_arg = 0, pause_adv;
1498
1499 pause_adv = bnx2_phy_get_pause_adv(bp);
1500
1501 if (bp->autoneg & AUTONEG_SPEED) {
1502 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1503 if (bp->advertising & ADVERTISED_10baseT_Half)
1504 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1505 if (bp->advertising & ADVERTISED_10baseT_Full)
1506 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1507 if (bp->advertising & ADVERTISED_100baseT_Half)
1508 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1509 if (bp->advertising & ADVERTISED_100baseT_Full)
1510 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1511 if (bp->advertising & ADVERTISED_1000baseT_Full)
1512 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1513 if (bp->advertising & ADVERTISED_2500baseX_Full)
1514 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1515 } else {
1516 if (bp->req_line_speed == SPEED_2500)
1517 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1518 else if (bp->req_line_speed == SPEED_1000)
1519 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1520 else if (bp->req_line_speed == SPEED_100) {
1521 if (bp->req_duplex == DUPLEX_FULL)
1522 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1523 else
1524 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1525 } else if (bp->req_line_speed == SPEED_10) {
1526 if (bp->req_duplex == DUPLEX_FULL)
1527 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1528 else
1529 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1530 }
1531 }
1532
1533 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1534 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1535 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1536 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1537
1538 if (port == PORT_TP)
1539 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1540 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1541
1542 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1543
1544 spin_unlock_bh(&bp->phy_lock);
1545 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
1546 spin_lock_bh(&bp->phy_lock);
1547
1548 return 0;
1549 }
1550
1551 static int
1552 bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1553 {
1554 u32 adv, bmcr;
1555 u32 new_adv = 0;
1556
1557 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1558 return (bnx2_setup_remote_phy(bp, port));
1559
1560 if (!(bp->autoneg & AUTONEG_SPEED)) {
1561 u32 new_bmcr;
1562 int force_link_down = 0;
1563
1564 if (bp->req_line_speed == SPEED_2500) {
1565 if (!bnx2_test_and_enable_2g5(bp))
1566 force_link_down = 1;
1567 } else if (bp->req_line_speed == SPEED_1000) {
1568 if (bnx2_test_and_disable_2g5(bp))
1569 force_link_down = 1;
1570 }
1571 bnx2_read_phy(bp, bp->mii_adv, &adv);
1572 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1573
1574 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1575 new_bmcr = bmcr & ~BMCR_ANENABLE;
1576 new_bmcr |= BMCR_SPEED1000;
1577
1578 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1579 if (bp->req_line_speed == SPEED_2500)
1580 bnx2_enable_forced_2g5(bp);
1581 else if (bp->req_line_speed == SPEED_1000) {
1582 bnx2_disable_forced_2g5(bp);
1583 new_bmcr &= ~0x2000;
1584 }
1585
1586 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1587 if (bp->req_line_speed == SPEED_2500)
1588 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1589 else
1590 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1591 }
1592
1593 if (bp->req_duplex == DUPLEX_FULL) {
1594 adv |= ADVERTISE_1000XFULL;
1595 new_bmcr |= BMCR_FULLDPLX;
1596 }
1597 else {
1598 adv |= ADVERTISE_1000XHALF;
1599 new_bmcr &= ~BMCR_FULLDPLX;
1600 }
1601 if ((new_bmcr != bmcr) || (force_link_down)) {
1602 /* Force a link down visible on the other side */
1603 if (bp->link_up) {
1604 bnx2_write_phy(bp, bp->mii_adv, adv &
1605 ~(ADVERTISE_1000XFULL |
1606 ADVERTISE_1000XHALF));
1607 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1608 BMCR_ANRESTART | BMCR_ANENABLE);
1609
1610 bp->link_up = 0;
1611 netif_carrier_off(bp->dev);
1612 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1613 bnx2_report_link(bp);
1614 }
1615 bnx2_write_phy(bp, bp->mii_adv, adv);
1616 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1617 } else {
1618 bnx2_resolve_flow_ctrl(bp);
1619 bnx2_set_mac_link(bp);
1620 }
1621 return 0;
1622 }
1623
1624 bnx2_test_and_enable_2g5(bp);
1625
1626 if (bp->advertising & ADVERTISED_1000baseT_Full)
1627 new_adv |= ADVERTISE_1000XFULL;
1628
1629 new_adv |= bnx2_phy_get_pause_adv(bp);
1630
1631 bnx2_read_phy(bp, bp->mii_adv, &adv);
1632 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1633
1634 bp->serdes_an_pending = 0;
1635 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1636 /* Force a link down visible on the other side */
1637 if (bp->link_up) {
1638 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1639 spin_unlock_bh(&bp->phy_lock);
1640 msleep(20);
1641 spin_lock_bh(&bp->phy_lock);
1642 }
1643
1644 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1645 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1646 BMCR_ANENABLE);
1647 /* Speed up link-up time when the link partner
1648 * does not autonegotiate which is very common
1649 * in blade servers. Some blade servers use
1650 * IPMI for kerboard input and it's important
1651 * to minimize link disruptions. Autoneg. involves
1652 * exchanging base pages plus 3 next pages and
1653 * normally completes in about 120 msec.
1654 */
1655 bp->current_interval = SERDES_AN_TIMEOUT;
1656 bp->serdes_an_pending = 1;
1657 mod_timer(&bp->timer, jiffies + bp->current_interval);
1658 } else {
1659 bnx2_resolve_flow_ctrl(bp);
1660 bnx2_set_mac_link(bp);
1661 }
1662
1663 return 0;
1664 }
1665
1666 #define ETHTOOL_ALL_FIBRE_SPEED \
1667 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
1668 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1669 (ADVERTISED_1000baseT_Full)
1670
1671 #define ETHTOOL_ALL_COPPER_SPEED \
1672 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1673 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1674 ADVERTISED_1000baseT_Full)
1675
1676 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1677 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1678
1679 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1680
1681 static void
1682 bnx2_set_default_remote_link(struct bnx2 *bp)
1683 {
1684 u32 link;
1685
1686 if (bp->phy_port == PORT_TP)
1687 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1688 else
1689 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1690
1691 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1692 bp->req_line_speed = 0;
1693 bp->autoneg |= AUTONEG_SPEED;
1694 bp->advertising = ADVERTISED_Autoneg;
1695 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1696 bp->advertising |= ADVERTISED_10baseT_Half;
1697 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1698 bp->advertising |= ADVERTISED_10baseT_Full;
1699 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1700 bp->advertising |= ADVERTISED_100baseT_Half;
1701 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1702 bp->advertising |= ADVERTISED_100baseT_Full;
1703 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1704 bp->advertising |= ADVERTISED_1000baseT_Full;
1705 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1706 bp->advertising |= ADVERTISED_2500baseX_Full;
1707 } else {
1708 bp->autoneg = 0;
1709 bp->advertising = 0;
1710 bp->req_duplex = DUPLEX_FULL;
1711 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1712 bp->req_line_speed = SPEED_10;
1713 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1714 bp->req_duplex = DUPLEX_HALF;
1715 }
1716 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1717 bp->req_line_speed = SPEED_100;
1718 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1719 bp->req_duplex = DUPLEX_HALF;
1720 }
1721 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1722 bp->req_line_speed = SPEED_1000;
1723 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1724 bp->req_line_speed = SPEED_2500;
1725 }
1726 }
1727
1728 static void
1729 bnx2_set_default_link(struct bnx2 *bp)
1730 {
1731 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1732 bnx2_set_default_remote_link(bp);
1733 return;
1734 }
1735
1736 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1737 bp->req_line_speed = 0;
1738 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1739 u32 reg;
1740
1741 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1742
1743 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1744 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1745 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1746 bp->autoneg = 0;
1747 bp->req_line_speed = bp->line_speed = SPEED_1000;
1748 bp->req_duplex = DUPLEX_FULL;
1749 }
1750 } else
1751 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1752 }
1753
1754 static void
1755 bnx2_send_heart_beat(struct bnx2 *bp)
1756 {
1757 u32 msg;
1758 u32 addr;
1759
1760 spin_lock(&bp->indirect_lock);
1761 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1762 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1763 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1764 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1765 spin_unlock(&bp->indirect_lock);
1766 }
1767
1768 static void
1769 bnx2_remote_phy_event(struct bnx2 *bp)
1770 {
1771 u32 msg;
1772 u8 link_up = bp->link_up;
1773 u8 old_port;
1774
1775 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1776
1777 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1778 bnx2_send_heart_beat(bp);
1779
1780 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1781
1782 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1783 bp->link_up = 0;
1784 else {
1785 u32 speed;
1786
1787 bp->link_up = 1;
1788 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1789 bp->duplex = DUPLEX_FULL;
1790 switch (speed) {
1791 case BNX2_LINK_STATUS_10HALF:
1792 bp->duplex = DUPLEX_HALF;
1793 case BNX2_LINK_STATUS_10FULL:
1794 bp->line_speed = SPEED_10;
1795 break;
1796 case BNX2_LINK_STATUS_100HALF:
1797 bp->duplex = DUPLEX_HALF;
1798 case BNX2_LINK_STATUS_100BASE_T4:
1799 case BNX2_LINK_STATUS_100FULL:
1800 bp->line_speed = SPEED_100;
1801 break;
1802 case BNX2_LINK_STATUS_1000HALF:
1803 bp->duplex = DUPLEX_HALF;
1804 case BNX2_LINK_STATUS_1000FULL:
1805 bp->line_speed = SPEED_1000;
1806 break;
1807 case BNX2_LINK_STATUS_2500HALF:
1808 bp->duplex = DUPLEX_HALF;
1809 case BNX2_LINK_STATUS_2500FULL:
1810 bp->line_speed = SPEED_2500;
1811 break;
1812 default:
1813 bp->line_speed = 0;
1814 break;
1815 }
1816
1817 bp->flow_ctrl = 0;
1818 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1819 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1820 if (bp->duplex == DUPLEX_FULL)
1821 bp->flow_ctrl = bp->req_flow_ctrl;
1822 } else {
1823 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1824 bp->flow_ctrl |= FLOW_CTRL_TX;
1825 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1826 bp->flow_ctrl |= FLOW_CTRL_RX;
1827 }
1828
1829 old_port = bp->phy_port;
1830 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1831 bp->phy_port = PORT_FIBRE;
1832 else
1833 bp->phy_port = PORT_TP;
1834
1835 if (old_port != bp->phy_port)
1836 bnx2_set_default_link(bp);
1837
1838 }
1839 if (bp->link_up != link_up)
1840 bnx2_report_link(bp);
1841
1842 bnx2_set_mac_link(bp);
1843 }
1844
1845 static int
1846 bnx2_set_remote_link(struct bnx2 *bp)
1847 {
1848 u32 evt_code;
1849
1850 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1851 switch (evt_code) {
1852 case BNX2_FW_EVT_CODE_LINK_EVENT:
1853 bnx2_remote_phy_event(bp);
1854 break;
1855 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1856 default:
1857 bnx2_send_heart_beat(bp);
1858 break;
1859 }
1860 return 0;
1861 }
1862
1863 static int
1864 bnx2_setup_copper_phy(struct bnx2 *bp)
1865 {
1866 u32 bmcr;
1867 u32 new_bmcr;
1868
1869 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1870
1871 if (bp->autoneg & AUTONEG_SPEED) {
1872 u32 adv_reg, adv1000_reg;
1873 u32 new_adv_reg = 0;
1874 u32 new_adv1000_reg = 0;
1875
1876 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1877 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1878 ADVERTISE_PAUSE_ASYM);
1879
1880 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1881 adv1000_reg &= PHY_ALL_1000_SPEED;
1882
1883 if (bp->advertising & ADVERTISED_10baseT_Half)
1884 new_adv_reg |= ADVERTISE_10HALF;
1885 if (bp->advertising & ADVERTISED_10baseT_Full)
1886 new_adv_reg |= ADVERTISE_10FULL;
1887 if (bp->advertising & ADVERTISED_100baseT_Half)
1888 new_adv_reg |= ADVERTISE_100HALF;
1889 if (bp->advertising & ADVERTISED_100baseT_Full)
1890 new_adv_reg |= ADVERTISE_100FULL;
1891 if (bp->advertising & ADVERTISED_1000baseT_Full)
1892 new_adv1000_reg |= ADVERTISE_1000FULL;
1893
1894 new_adv_reg |= ADVERTISE_CSMA;
1895
1896 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1897
1898 if ((adv1000_reg != new_adv1000_reg) ||
1899 (adv_reg != new_adv_reg) ||
1900 ((bmcr & BMCR_ANENABLE) == 0)) {
1901
1902 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1903 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1904 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1905 BMCR_ANENABLE);
1906 }
1907 else if (bp->link_up) {
1908 /* Flow ctrl may have changed from auto to forced */
1909 /* or vice-versa. */
1910
1911 bnx2_resolve_flow_ctrl(bp);
1912 bnx2_set_mac_link(bp);
1913 }
1914 return 0;
1915 }
1916
1917 new_bmcr = 0;
1918 if (bp->req_line_speed == SPEED_100) {
1919 new_bmcr |= BMCR_SPEED100;
1920 }
1921 if (bp->req_duplex == DUPLEX_FULL) {
1922 new_bmcr |= BMCR_FULLDPLX;
1923 }
1924 if (new_bmcr != bmcr) {
1925 u32 bmsr;
1926
1927 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1928 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1929
1930 if (bmsr & BMSR_LSTATUS) {
1931 /* Force link down */
1932 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1933 spin_unlock_bh(&bp->phy_lock);
1934 msleep(50);
1935 spin_lock_bh(&bp->phy_lock);
1936
1937 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1938 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1939 }
1940
1941 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1942
1943 /* Normally, the new speed is setup after the link has
1944 * gone down and up again. In some cases, link will not go
1945 * down so we need to set up the new speed here.
1946 */
1947 if (bmsr & BMSR_LSTATUS) {
1948 bp->line_speed = bp->req_line_speed;
1949 bp->duplex = bp->req_duplex;
1950 bnx2_resolve_flow_ctrl(bp);
1951 bnx2_set_mac_link(bp);
1952 }
1953 } else {
1954 bnx2_resolve_flow_ctrl(bp);
1955 bnx2_set_mac_link(bp);
1956 }
1957 return 0;
1958 }
1959
1960 static int
1961 bnx2_setup_phy(struct bnx2 *bp, u8 port)
1962 {
1963 if (bp->loopback == MAC_LOOPBACK)
1964 return 0;
1965
1966 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1967 return (bnx2_setup_serdes_phy(bp, port));
1968 }
1969 else {
1970 return (bnx2_setup_copper_phy(bp));
1971 }
1972 }
1973
1974 static int
1975 bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
1976 {
1977 u32 val;
1978
1979 bp->mii_bmcr = MII_BMCR + 0x10;
1980 bp->mii_bmsr = MII_BMSR + 0x10;
1981 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1982 bp->mii_adv = MII_ADVERTISE + 0x10;
1983 bp->mii_lpa = MII_LPA + 0x10;
1984 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1985
1986 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1987 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1988
1989 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1990 if (reset_phy)
1991 bnx2_reset_phy(bp);
1992
1993 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1994
1995 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1996 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1997 val |= MII_BNX2_SD_1000XCTL1_FIBER;
1998 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1999
2000 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2001 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
2002 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
2003 val |= BCM5708S_UP1_2G5;
2004 else
2005 val &= ~BCM5708S_UP1_2G5;
2006 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2007
2008 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2009 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2010 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2011 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2012
2013 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2014
2015 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2016 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2017 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2018
2019 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2020
2021 return 0;
2022 }
2023
2024 static int
2025 bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
2026 {
2027 u32 val;
2028
2029 if (reset_phy)
2030 bnx2_reset_phy(bp);
2031
2032 bp->mii_up1 = BCM5708S_UP1;
2033
2034 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2035 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2036 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2037
2038 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2039 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2040 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2041
2042 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2043 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2044 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2045
2046 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
2047 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2048 val |= BCM5708S_UP1_2G5;
2049 bnx2_write_phy(bp, BCM5708S_UP1, val);
2050 }
2051
2052 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
2053 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2054 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
2055 /* increase tx signal amplitude */
2056 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2057 BCM5708S_BLK_ADDR_TX_MISC);
2058 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2059 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2060 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2061 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2062 }
2063
2064 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
2065 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2066
2067 if (val) {
2068 u32 is_backplane;
2069
2070 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
2071 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2072 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2073 BCM5708S_BLK_ADDR_TX_MISC);
2074 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2075 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2076 BCM5708S_BLK_ADDR_DIG);
2077 }
2078 }
2079 return 0;
2080 }
2081
2082 static int
2083 bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
2084 {
2085 if (reset_phy)
2086 bnx2_reset_phy(bp);
2087
2088 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
2089
2090 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2091 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
2092
2093 if (bp->dev->mtu > 1500) {
2094 u32 val;
2095
2096 /* Set extended packet length bit */
2097 bnx2_write_phy(bp, 0x18, 0x7);
2098 bnx2_read_phy(bp, 0x18, &val);
2099 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2100
2101 bnx2_write_phy(bp, 0x1c, 0x6c00);
2102 bnx2_read_phy(bp, 0x1c, &val);
2103 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2104 }
2105 else {
2106 u32 val;
2107
2108 bnx2_write_phy(bp, 0x18, 0x7);
2109 bnx2_read_phy(bp, 0x18, &val);
2110 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2111
2112 bnx2_write_phy(bp, 0x1c, 0x6c00);
2113 bnx2_read_phy(bp, 0x1c, &val);
2114 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2115 }
2116
2117 return 0;
2118 }
2119
2120 static int
2121 bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2122 {
2123 u32 val;
2124
2125 if (reset_phy)
2126 bnx2_reset_phy(bp);
2127
2128 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2129 bnx2_write_phy(bp, 0x18, 0x0c00);
2130 bnx2_write_phy(bp, 0x17, 0x000a);
2131 bnx2_write_phy(bp, 0x15, 0x310b);
2132 bnx2_write_phy(bp, 0x17, 0x201f);
2133 bnx2_write_phy(bp, 0x15, 0x9506);
2134 bnx2_write_phy(bp, 0x17, 0x401f);
2135 bnx2_write_phy(bp, 0x15, 0x14e2);
2136 bnx2_write_phy(bp, 0x18, 0x0400);
2137 }
2138
2139 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2140 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2141 MII_BNX2_DSP_EXPAND_REG | 0x8);
2142 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2143 val &= ~(1 << 8);
2144 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2145 }
2146
2147 if (bp->dev->mtu > 1500) {
2148 /* Set extended packet length bit */
2149 bnx2_write_phy(bp, 0x18, 0x7);
2150 bnx2_read_phy(bp, 0x18, &val);
2151 bnx2_write_phy(bp, 0x18, val | 0x4000);
2152
2153 bnx2_read_phy(bp, 0x10, &val);
2154 bnx2_write_phy(bp, 0x10, val | 0x1);
2155 }
2156 else {
2157 bnx2_write_phy(bp, 0x18, 0x7);
2158 bnx2_read_phy(bp, 0x18, &val);
2159 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2160
2161 bnx2_read_phy(bp, 0x10, &val);
2162 bnx2_write_phy(bp, 0x10, val & ~0x1);
2163 }
2164
2165 /* ethernet@wirespeed */
2166 bnx2_write_phy(bp, 0x18, 0x7007);
2167 bnx2_read_phy(bp, 0x18, &val);
2168 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2169 return 0;
2170 }
2171
2172
2173 static int
2174 bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2175 {
2176 u32 val;
2177 int rc = 0;
2178
2179 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2180 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2181
2182 bp->mii_bmcr = MII_BMCR;
2183 bp->mii_bmsr = MII_BMSR;
2184 bp->mii_bmsr1 = MII_BMSR;
2185 bp->mii_adv = MII_ADVERTISE;
2186 bp->mii_lpa = MII_LPA;
2187
2188 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2189
2190 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2191 goto setup_phy;
2192
2193 bnx2_read_phy(bp, MII_PHYSID1, &val);
2194 bp->phy_id = val << 16;
2195 bnx2_read_phy(bp, MII_PHYSID2, &val);
2196 bp->phy_id |= val & 0xffff;
2197
2198 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2199 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2200 rc = bnx2_init_5706s_phy(bp, reset_phy);
2201 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2202 rc = bnx2_init_5708s_phy(bp, reset_phy);
2203 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2204 rc = bnx2_init_5709s_phy(bp, reset_phy);
2205 }
2206 else {
2207 rc = bnx2_init_copper_phy(bp, reset_phy);
2208 }
2209
2210 setup_phy:
2211 if (!rc)
2212 rc = bnx2_setup_phy(bp, bp->phy_port);
2213
2214 return rc;
2215 }
2216
2217 static int
2218 bnx2_set_mac_loopback(struct bnx2 *bp)
2219 {
2220 u32 mac_mode;
2221
2222 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2223 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2224 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2225 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2226 bp->link_up = 1;
2227 return 0;
2228 }
2229
2230 static int bnx2_test_link(struct bnx2 *);
2231
2232 static int
2233 bnx2_set_phy_loopback(struct bnx2 *bp)
2234 {
2235 u32 mac_mode;
2236 int rc, i;
2237
2238 spin_lock_bh(&bp->phy_lock);
2239 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2240 BMCR_SPEED1000);
2241 spin_unlock_bh(&bp->phy_lock);
2242 if (rc)
2243 return rc;
2244
2245 for (i = 0; i < 10; i++) {
2246 if (bnx2_test_link(bp) == 0)
2247 break;
2248 msleep(100);
2249 }
2250
2251 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2252 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2253 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2254 BNX2_EMAC_MODE_25G_MODE);
2255
2256 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2257 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2258 bp->link_up = 1;
2259 return 0;
2260 }
2261
2262 static int
2263 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
2264 {
2265 int i;
2266 u32 val;
2267
2268 bp->fw_wr_seq++;
2269 msg_data |= bp->fw_wr_seq;
2270
2271 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2272
2273 if (!ack)
2274 return 0;
2275
2276 /* wait for an acknowledgement. */
2277 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2278 msleep(10);
2279
2280 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2281
2282 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2283 break;
2284 }
2285 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2286 return 0;
2287
2288 /* If we timed out, inform the firmware that this is the case. */
2289 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2290 if (!silent)
2291 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2292 "%x\n", msg_data);
2293
2294 msg_data &= ~BNX2_DRV_MSG_CODE;
2295 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2296
2297 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2298
2299 return -EBUSY;
2300 }
2301
2302 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2303 return -EIO;
2304
2305 return 0;
2306 }
2307
2308 static int
2309 bnx2_init_5709_context(struct bnx2 *bp)
2310 {
2311 int i, ret = 0;
2312 u32 val;
2313
2314 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2315 val |= (BCM_PAGE_BITS - 8) << 16;
2316 REG_WR(bp, BNX2_CTX_COMMAND, val);
2317 for (i = 0; i < 10; i++) {
2318 val = REG_RD(bp, BNX2_CTX_COMMAND);
2319 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2320 break;
2321 udelay(2);
2322 }
2323 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2324 return -EBUSY;
2325
2326 for (i = 0; i < bp->ctx_pages; i++) {
2327 int j;
2328
2329 if (bp->ctx_blk[i])
2330 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2331 else
2332 return -ENOMEM;
2333
2334 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2335 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2336 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2337 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2338 (u64) bp->ctx_blk_mapping[i] >> 32);
2339 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2340 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2341 for (j = 0; j < 10; j++) {
2342
2343 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2344 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2345 break;
2346 udelay(5);
2347 }
2348 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2349 ret = -EBUSY;
2350 break;
2351 }
2352 }
2353 return ret;
2354 }
2355
2356 static void
2357 bnx2_init_context(struct bnx2 *bp)
2358 {
2359 u32 vcid;
2360
2361 vcid = 96;
2362 while (vcid) {
2363 u32 vcid_addr, pcid_addr, offset;
2364 int i;
2365
2366 vcid--;
2367
2368 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2369 u32 new_vcid;
2370
2371 vcid_addr = GET_PCID_ADDR(vcid);
2372 if (vcid & 0x8) {
2373 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2374 }
2375 else {
2376 new_vcid = vcid;
2377 }
2378 pcid_addr = GET_PCID_ADDR(new_vcid);
2379 }
2380 else {
2381 vcid_addr = GET_CID_ADDR(vcid);
2382 pcid_addr = vcid_addr;
2383 }
2384
2385 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2386 vcid_addr += (i << PHY_CTX_SHIFT);
2387 pcid_addr += (i << PHY_CTX_SHIFT);
2388
2389 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2390 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2391
2392 /* Zero out the context. */
2393 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2394 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2395 }
2396 }
2397 }
2398
2399 static int
2400 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2401 {
2402 u16 *good_mbuf;
2403 u32 good_mbuf_cnt;
2404 u32 val;
2405
2406 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2407 if (good_mbuf == NULL) {
2408 printk(KERN_ERR PFX "Failed to allocate memory in "
2409 "bnx2_alloc_bad_rbuf\n");
2410 return -ENOMEM;
2411 }
2412
2413 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2414 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2415
2416 good_mbuf_cnt = 0;
2417
2418 /* Allocate a bunch of mbufs and save the good ones in an array. */
2419 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2420 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2421 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2422 BNX2_RBUF_COMMAND_ALLOC_REQ);
2423
2424 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2425
2426 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2427
2428 /* The addresses with Bit 9 set are bad memory blocks. */
2429 if (!(val & (1 << 9))) {
2430 good_mbuf[good_mbuf_cnt] = (u16) val;
2431 good_mbuf_cnt++;
2432 }
2433
2434 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2435 }
2436
2437 /* Free the good ones back to the mbuf pool thus discarding
2438 * all the bad ones. */
2439 while (good_mbuf_cnt) {
2440 good_mbuf_cnt--;
2441
2442 val = good_mbuf[good_mbuf_cnt];
2443 val = (val << 9) | val | 1;
2444
2445 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2446 }
2447 kfree(good_mbuf);
2448 return 0;
2449 }
2450
2451 static void
2452 bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
2453 {
2454 u32 val;
2455
2456 val = (mac_addr[0] << 8) | mac_addr[1];
2457
2458 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
2459
2460 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2461 (mac_addr[4] << 8) | mac_addr[5];
2462
2463 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
2464 }
2465
2466 static inline int
2467 bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2468 {
2469 dma_addr_t mapping;
2470 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2471 struct rx_bd *rxbd =
2472 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2473 struct page *page = alloc_page(GFP_ATOMIC);
2474
2475 if (!page)
2476 return -ENOMEM;
2477 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2478 PCI_DMA_FROMDEVICE);
2479 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2480 __free_page(page);
2481 return -EIO;
2482 }
2483
2484 rx_pg->page = page;
2485 pci_unmap_addr_set(rx_pg, mapping, mapping);
2486 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2487 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2488 return 0;
2489 }
2490
2491 static void
2492 bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2493 {
2494 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2495 struct page *page = rx_pg->page;
2496
2497 if (!page)
2498 return;
2499
2500 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2501 PCI_DMA_FROMDEVICE);
2502
2503 __free_page(page);
2504 rx_pg->page = NULL;
2505 }
2506
2507 static inline int
2508 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2509 {
2510 struct sk_buff *skb;
2511 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
2512 dma_addr_t mapping;
2513 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2514 unsigned long align;
2515
2516 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2517 if (skb == NULL) {
2518 return -ENOMEM;
2519 }
2520
2521 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2522 skb_reserve(skb, BNX2_RX_ALIGN - align);
2523
2524 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2525 PCI_DMA_FROMDEVICE);
2526 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2527 dev_kfree_skb(skb);
2528 return -EIO;
2529 }
2530
2531 rx_buf->skb = skb;
2532 pci_unmap_addr_set(rx_buf, mapping, mapping);
2533
2534 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2535 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2536
2537 rxr->rx_prod_bseq += bp->rx_buf_use_size;
2538
2539 return 0;
2540 }
2541
2542 static int
2543 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2544 {
2545 struct status_block *sblk = bnapi->status_blk.msi;
2546 u32 new_link_state, old_link_state;
2547 int is_set = 1;
2548
2549 new_link_state = sblk->status_attn_bits & event;
2550 old_link_state = sblk->status_attn_bits_ack & event;
2551 if (new_link_state != old_link_state) {
2552 if (new_link_state)
2553 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2554 else
2555 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2556 } else
2557 is_set = 0;
2558
2559 return is_set;
2560 }
2561
2562 static void
2563 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2564 {
2565 spin_lock(&bp->phy_lock);
2566
2567 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2568 bnx2_set_link(bp);
2569 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2570 bnx2_set_remote_link(bp);
2571
2572 spin_unlock(&bp->phy_lock);
2573
2574 }
2575
2576 static inline u16
2577 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2578 {
2579 u16 cons;
2580
2581 /* Tell compiler that status block fields can change. */
2582 barrier();
2583 cons = *bnapi->hw_tx_cons_ptr;
2584 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2585 cons++;
2586 return cons;
2587 }
2588
2589 static int
2590 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2591 {
2592 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
2593 u16 hw_cons, sw_cons, sw_ring_cons;
2594 int tx_pkt = 0, index;
2595 struct netdev_queue *txq;
2596
2597 index = (bnapi - bp->bnx2_napi);
2598 txq = netdev_get_tx_queue(bp->dev, index);
2599
2600 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2601 sw_cons = txr->tx_cons;
2602
2603 while (sw_cons != hw_cons) {
2604 struct sw_tx_bd *tx_buf;
2605 struct sk_buff *skb;
2606 int i, last;
2607
2608 sw_ring_cons = TX_RING_IDX(sw_cons);
2609
2610 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
2611 skb = tx_buf->skb;
2612
2613 /* partial BD completions possible with TSO packets */
2614 if (skb_is_gso(skb)) {
2615 u16 last_idx, last_ring_idx;
2616
2617 last_idx = sw_cons +
2618 skb_shinfo(skb)->nr_frags + 1;
2619 last_ring_idx = sw_ring_cons +
2620 skb_shinfo(skb)->nr_frags + 1;
2621 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2622 last_idx++;
2623 }
2624 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2625 break;
2626 }
2627 }
2628
2629 skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
2630
2631 tx_buf->skb = NULL;
2632 last = skb_shinfo(skb)->nr_frags;
2633
2634 for (i = 0; i < last; i++) {
2635 sw_cons = NEXT_TX_BD(sw_cons);
2636 }
2637
2638 sw_cons = NEXT_TX_BD(sw_cons);
2639
2640 dev_kfree_skb(skb);
2641 tx_pkt++;
2642 if (tx_pkt == budget)
2643 break;
2644
2645 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2646 }
2647
2648 txr->hw_tx_cons = hw_cons;
2649 txr->tx_cons = sw_cons;
2650
2651 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2652 * before checking for netif_tx_queue_stopped(). Without the
2653 * memory barrier, there is a small possibility that bnx2_start_xmit()
2654 * will miss it and cause the queue to be stopped forever.
2655 */
2656 smp_mb();
2657
2658 if (unlikely(netif_tx_queue_stopped(txq)) &&
2659 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
2660 __netif_tx_lock(txq, smp_processor_id());
2661 if ((netif_tx_queue_stopped(txq)) &&
2662 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
2663 netif_tx_wake_queue(txq);
2664 __netif_tx_unlock(txq);
2665 }
2666
2667 return tx_pkt;
2668 }
2669
2670 static void
2671 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2672 struct sk_buff *skb, int count)
2673 {
2674 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2675 struct rx_bd *cons_bd, *prod_bd;
2676 int i;
2677 u16 hw_prod, prod;
2678 u16 cons = rxr->rx_pg_cons;
2679
2680 cons_rx_pg = &rxr->rx_pg_ring[cons];
2681
2682 /* The caller was unable to allocate a new page to replace the
2683 * last one in the frags array, so we need to recycle that page
2684 * and then free the skb.
2685 */
2686 if (skb) {
2687 struct page *page;
2688 struct skb_shared_info *shinfo;
2689
2690 shinfo = skb_shinfo(skb);
2691 shinfo->nr_frags--;
2692 page = shinfo->frags[shinfo->nr_frags].page;
2693 shinfo->frags[shinfo->nr_frags].page = NULL;
2694
2695 cons_rx_pg->page = page;
2696 dev_kfree_skb(skb);
2697 }
2698
2699 hw_prod = rxr->rx_pg_prod;
2700
2701 for (i = 0; i < count; i++) {
2702 prod = RX_PG_RING_IDX(hw_prod);
2703
2704 prod_rx_pg = &rxr->rx_pg_ring[prod];
2705 cons_rx_pg = &rxr->rx_pg_ring[cons];
2706 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2707 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2708
2709 if (prod != cons) {
2710 prod_rx_pg->page = cons_rx_pg->page;
2711 cons_rx_pg->page = NULL;
2712 pci_unmap_addr_set(prod_rx_pg, mapping,
2713 pci_unmap_addr(cons_rx_pg, mapping));
2714
2715 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2716 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2717
2718 }
2719 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2720 hw_prod = NEXT_RX_BD(hw_prod);
2721 }
2722 rxr->rx_pg_prod = hw_prod;
2723 rxr->rx_pg_cons = cons;
2724 }
2725
2726 static inline void
2727 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2728 struct sk_buff *skb, u16 cons, u16 prod)
2729 {
2730 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2731 struct rx_bd *cons_bd, *prod_bd;
2732
2733 cons_rx_buf = &rxr->rx_buf_ring[cons];
2734 prod_rx_buf = &rxr->rx_buf_ring[prod];
2735
2736 pci_dma_sync_single_for_device(bp->pdev,
2737 pci_unmap_addr(cons_rx_buf, mapping),
2738 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2739
2740 rxr->rx_prod_bseq += bp->rx_buf_use_size;
2741
2742 prod_rx_buf->skb = skb;
2743
2744 if (cons == prod)
2745 return;
2746
2747 pci_unmap_addr_set(prod_rx_buf, mapping,
2748 pci_unmap_addr(cons_rx_buf, mapping));
2749
2750 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2751 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2752 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2753 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2754 }
2755
2756 static int
2757 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
2758 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2759 u32 ring_idx)
2760 {
2761 int err;
2762 u16 prod = ring_idx & 0xffff;
2763
2764 err = bnx2_alloc_rx_skb(bp, rxr, prod);
2765 if (unlikely(err)) {
2766 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
2767 if (hdr_len) {
2768 unsigned int raw_len = len + 4;
2769 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2770
2771 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
2772 }
2773 return err;
2774 }
2775
2776 skb_reserve(skb, BNX2_RX_OFFSET);
2777 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2778 PCI_DMA_FROMDEVICE);
2779
2780 if (hdr_len == 0) {
2781 skb_put(skb, len);
2782 return 0;
2783 } else {
2784 unsigned int i, frag_len, frag_size, pages;
2785 struct sw_pg *rx_pg;
2786 u16 pg_cons = rxr->rx_pg_cons;
2787 u16 pg_prod = rxr->rx_pg_prod;
2788
2789 frag_size = len + 4 - hdr_len;
2790 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2791 skb_put(skb, hdr_len);
2792
2793 for (i = 0; i < pages; i++) {
2794 dma_addr_t mapping_old;
2795
2796 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2797 if (unlikely(frag_len <= 4)) {
2798 unsigned int tail = 4 - frag_len;
2799
2800 rxr->rx_pg_cons = pg_cons;
2801 rxr->rx_pg_prod = pg_prod;
2802 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
2803 pages - i);
2804 skb->len -= tail;
2805 if (i == 0) {
2806 skb->tail -= tail;
2807 } else {
2808 skb_frag_t *frag =
2809 &skb_shinfo(skb)->frags[i - 1];
2810 frag->size -= tail;
2811 skb->data_len -= tail;
2812 skb->truesize -= tail;
2813 }
2814 return 0;
2815 }
2816 rx_pg = &rxr->rx_pg_ring[pg_cons];
2817
2818 /* Don't unmap yet. If we're unable to allocate a new
2819 * page, we need to recycle the page and the DMA addr.
2820 */
2821 mapping_old = pci_unmap_addr(rx_pg, mapping);
2822 if (i == pages - 1)
2823 frag_len -= 4;
2824
2825 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2826 rx_pg->page = NULL;
2827
2828 err = bnx2_alloc_rx_page(bp, rxr,
2829 RX_PG_RING_IDX(pg_prod));
2830 if (unlikely(err)) {
2831 rxr->rx_pg_cons = pg_cons;
2832 rxr->rx_pg_prod = pg_prod;
2833 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
2834 pages - i);
2835 return err;
2836 }
2837
2838 pci_unmap_page(bp->pdev, mapping_old,
2839 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2840
2841 frag_size -= frag_len;
2842 skb->data_len += frag_len;
2843 skb->truesize += frag_len;
2844 skb->len += frag_len;
2845
2846 pg_prod = NEXT_RX_BD(pg_prod);
2847 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2848 }
2849 rxr->rx_pg_prod = pg_prod;
2850 rxr->rx_pg_cons = pg_cons;
2851 }
2852 return 0;
2853 }
2854
2855 static inline u16
2856 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2857 {
2858 u16 cons;
2859
2860 /* Tell compiler that status block fields can change. */
2861 barrier();
2862 cons = *bnapi->hw_rx_cons_ptr;
2863 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2864 cons++;
2865 return cons;
2866 }
2867
2868 static int
2869 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2870 {
2871 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
2872 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2873 struct l2_fhdr *rx_hdr;
2874 int rx_pkt = 0, pg_ring_used = 0;
2875
2876 hw_cons = bnx2_get_hw_rx_cons(bnapi);
2877 sw_cons = rxr->rx_cons;
2878 sw_prod = rxr->rx_prod;
2879
2880 /* Memory barrier necessary as speculative reads of the rx
2881 * buffer can be ahead of the index in the status block
2882 */
2883 rmb();
2884 while (sw_cons != hw_cons) {
2885 unsigned int len, hdr_len;
2886 u32 status;
2887 struct sw_bd *rx_buf;
2888 struct sk_buff *skb;
2889 dma_addr_t dma_addr;
2890 u16 vtag = 0;
2891 int hw_vlan __maybe_unused = 0;
2892
2893 sw_ring_cons = RX_RING_IDX(sw_cons);
2894 sw_ring_prod = RX_RING_IDX(sw_prod);
2895
2896 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
2897 skb = rx_buf->skb;
2898
2899 rx_buf->skb = NULL;
2900
2901 dma_addr = pci_unmap_addr(rx_buf, mapping);
2902
2903 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2904 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
2905 PCI_DMA_FROMDEVICE);
2906
2907 rx_hdr = (struct l2_fhdr *) skb->data;
2908 len = rx_hdr->l2_fhdr_pkt_len;
2909
2910 if ((status = rx_hdr->l2_fhdr_status) &
2911 (L2_FHDR_ERRORS_BAD_CRC |
2912 L2_FHDR_ERRORS_PHY_DECODE |
2913 L2_FHDR_ERRORS_ALIGNMENT |
2914 L2_FHDR_ERRORS_TOO_SHORT |
2915 L2_FHDR_ERRORS_GIANT_FRAME)) {
2916
2917 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
2918 sw_ring_prod);
2919 goto next_rx;
2920 }
2921 hdr_len = 0;
2922 if (status & L2_FHDR_STATUS_SPLIT) {
2923 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2924 pg_ring_used = 1;
2925 } else if (len > bp->rx_jumbo_thresh) {
2926 hdr_len = bp->rx_jumbo_thresh;
2927 pg_ring_used = 1;
2928 }
2929
2930 len -= 4;
2931
2932 if (len <= bp->rx_copy_thresh) {
2933 struct sk_buff *new_skb;
2934
2935 new_skb = netdev_alloc_skb(bp->dev, len + 6);
2936 if (new_skb == NULL) {
2937 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
2938 sw_ring_prod);
2939 goto next_rx;
2940 }
2941
2942 /* aligned copy */
2943 skb_copy_from_linear_data_offset(skb,
2944 BNX2_RX_OFFSET - 6,
2945 new_skb->data, len + 6);
2946 skb_reserve(new_skb, 6);
2947 skb_put(new_skb, len);
2948
2949 bnx2_reuse_rx_skb(bp, rxr, skb,
2950 sw_ring_cons, sw_ring_prod);
2951
2952 skb = new_skb;
2953 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
2954 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2955 goto next_rx;
2956
2957 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
2958 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
2959 vtag = rx_hdr->l2_fhdr_vlan_tag;
2960 #ifdef BCM_VLAN
2961 if (bp->vlgrp)
2962 hw_vlan = 1;
2963 else
2964 #endif
2965 {
2966 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
2967 __skb_push(skb, 4);
2968
2969 memmove(ve, skb->data + 4, ETH_ALEN * 2);
2970 ve->h_vlan_proto = htons(ETH_P_8021Q);
2971 ve->h_vlan_TCI = htons(vtag);
2972 len += 4;
2973 }
2974 }
2975
2976 skb->protocol = eth_type_trans(skb, bp->dev);
2977
2978 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2979 (ntohs(skb->protocol) != 0x8100)) {
2980
2981 dev_kfree_skb(skb);
2982 goto next_rx;
2983
2984 }
2985
2986 skb->ip_summed = CHECKSUM_NONE;
2987 if (bp->rx_csum &&
2988 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2989 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2990
2991 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2992 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2993 skb->ip_summed = CHECKSUM_UNNECESSARY;
2994 }
2995
2996 #ifdef BCM_VLAN
2997 if (hw_vlan)
2998 vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
2999 else
3000 #endif
3001 netif_receive_skb(skb);
3002
3003 bp->dev->last_rx = jiffies;
3004 rx_pkt++;
3005
3006 next_rx:
3007 sw_cons = NEXT_RX_BD(sw_cons);
3008 sw_prod = NEXT_RX_BD(sw_prod);
3009
3010 if ((rx_pkt == budget))
3011 break;
3012
3013 /* Refresh hw_cons to see if there is new work */
3014 if (sw_cons == hw_cons) {
3015 hw_cons = bnx2_get_hw_rx_cons(bnapi);
3016 rmb();
3017 }
3018 }
3019 rxr->rx_cons = sw_cons;
3020 rxr->rx_prod = sw_prod;
3021
3022 if (pg_ring_used)
3023 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
3024
3025 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
3026
3027 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
3028
3029 mmiowb();
3030
3031 return rx_pkt;
3032
3033 }
3034
3035 /* MSI ISR - The only difference between this and the INTx ISR
3036 * is that the MSI interrupt is always serviced.
3037 */
3038 static irqreturn_t
3039 bnx2_msi(int irq, void *dev_instance)
3040 {
3041 struct bnx2_napi *bnapi = dev_instance;
3042 struct bnx2 *bp = bnapi->bp;
3043 struct net_device *dev = bp->dev;
3044
3045 prefetch(bnapi->status_blk.msi);
3046 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3047 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3048 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3049
3050 /* Return here if interrupt is disabled. */
3051 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3052 return IRQ_HANDLED;
3053
3054 netif_rx_schedule(dev, &bnapi->napi);
3055
3056 return IRQ_HANDLED;
3057 }
3058
3059 static irqreturn_t
3060 bnx2_msi_1shot(int irq, void *dev_instance)
3061 {
3062 struct bnx2_napi *bnapi = dev_instance;
3063 struct bnx2 *bp = bnapi->bp;
3064 struct net_device *dev = bp->dev;
3065
3066 prefetch(bnapi->status_blk.msi);
3067
3068 /* Return here if interrupt is disabled. */
3069 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3070 return IRQ_HANDLED;
3071
3072 netif_rx_schedule(dev, &bnapi->napi);
3073
3074 return IRQ_HANDLED;
3075 }
3076
3077 static irqreturn_t
3078 bnx2_interrupt(int irq, void *dev_instance)
3079 {
3080 struct bnx2_napi *bnapi = dev_instance;
3081 struct bnx2 *bp = bnapi->bp;
3082 struct net_device *dev = bp->dev;
3083 struct status_block *sblk = bnapi->status_blk.msi;
3084
3085 /* When using INTx, it is possible for the interrupt to arrive
3086 * at the CPU before the status block posted prior to the
3087 * interrupt. Reading a register will flush the status block.
3088 * When using MSI, the MSI message will always complete after
3089 * the status block write.
3090 */
3091 if ((sblk->status_idx == bnapi->last_status_idx) &&
3092 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3093 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
3094 return IRQ_NONE;
3095
3096 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3097 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3098 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3099
3100 /* Read back to deassert IRQ immediately to avoid too many
3101 * spurious interrupts.
3102 */
3103 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3104
3105 /* Return here if interrupt is shared and is disabled. */
3106 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3107 return IRQ_HANDLED;
3108
3109 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
3110 bnapi->last_status_idx = sblk->status_idx;
3111 __netif_rx_schedule(dev, &bnapi->napi);
3112 }
3113
3114 return IRQ_HANDLED;
3115 }
3116
3117 static inline int
3118 bnx2_has_fast_work(struct bnx2_napi *bnapi)
3119 {
3120 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3121 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3122
3123 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3124 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3125 return 1;
3126 return 0;
3127 }
3128
3129 #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3130 STATUS_ATTN_BITS_TIMER_ABORT)
3131
3132 static inline int
3133 bnx2_has_work(struct bnx2_napi *bnapi)
3134 {
3135 struct status_block *sblk = bnapi->status_blk.msi;
3136
3137 if (bnx2_has_fast_work(bnapi))
3138 return 1;
3139
3140 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3141 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
3142 return 1;
3143
3144 return 0;
3145 }
3146
3147 static void
3148 bnx2_chk_missed_msi(struct bnx2 *bp)
3149 {
3150 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3151 u32 msi_ctrl;
3152
3153 if (bnx2_has_work(bnapi)) {
3154 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3155 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3156 return;
3157
3158 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3159 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3160 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3161 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3162 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3163 }
3164 }
3165
3166 bp->idle_chk_status_idx = bnapi->last_status_idx;
3167 }
3168
3169 static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
3170 {
3171 struct status_block *sblk = bnapi->status_blk.msi;
3172 u32 status_attn_bits = sblk->status_attn_bits;
3173 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3174
3175 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3176 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3177
3178 bnx2_phy_int(bp, bnapi);
3179
3180 /* This is needed to take care of transient status
3181 * during link changes.
3182 */
3183 REG_WR(bp, BNX2_HC_COMMAND,
3184 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3185 REG_RD(bp, BNX2_HC_COMMAND);
3186 }
3187 }
3188
3189 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3190 int work_done, int budget)
3191 {
3192 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3193 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3194
3195 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
3196 bnx2_tx_int(bp, bnapi, 0);
3197
3198 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
3199 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3200
3201 return work_done;
3202 }
3203
3204 static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3205 {
3206 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3207 struct bnx2 *bp = bnapi->bp;
3208 int work_done = 0;
3209 struct status_block_msix *sblk = bnapi->status_blk.msix;
3210
3211 while (1) {
3212 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3213 if (unlikely(work_done >= budget))
3214 break;
3215
3216 bnapi->last_status_idx = sblk->status_idx;
3217 /* status idx must be read before checking for more work. */
3218 rmb();
3219 if (likely(!bnx2_has_fast_work(bnapi))) {
3220
3221 netif_rx_complete(bp->dev, napi);
3222 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3223 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3224 bnapi->last_status_idx);
3225 break;
3226 }
3227 }
3228 return work_done;
3229 }
3230
3231 static int bnx2_poll(struct napi_struct *napi, int budget)
3232 {
3233 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3234 struct bnx2 *bp = bnapi->bp;
3235 int work_done = 0;
3236 struct status_block *sblk = bnapi->status_blk.msi;
3237
3238 while (1) {
3239 bnx2_poll_link(bp, bnapi);
3240
3241 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3242
3243 /* bnapi->last_status_idx is used below to tell the hw how
3244 * much work has been processed, so we must read it before
3245 * checking for more work.
3246 */
3247 bnapi->last_status_idx = sblk->status_idx;
3248
3249 if (unlikely(work_done >= budget))
3250 break;
3251
3252 rmb();
3253 if (likely(!bnx2_has_work(bnapi))) {
3254 netif_rx_complete(bp->dev, napi);
3255 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3256 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3257 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3258 bnapi->last_status_idx);
3259 break;
3260 }
3261 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3262 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3263 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3264 bnapi->last_status_idx);
3265
3266 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3267 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3268 bnapi->last_status_idx);
3269 break;
3270 }
3271 }
3272
3273 return work_done;
3274 }
3275
3276 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3277 * from set_multicast.
3278 */
3279 static void
3280 bnx2_set_rx_mode(struct net_device *dev)
3281 {
3282 struct bnx2 *bp = netdev_priv(dev);
3283 u32 rx_mode, sort_mode;
3284 struct dev_addr_list *uc_ptr;
3285 int i;
3286
3287 if (!netif_running(dev))
3288 return;
3289
3290 spin_lock_bh(&bp->phy_lock);
3291
3292 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3293 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3294 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3295 #ifdef BCM_VLAN
3296 if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
3297 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3298 #else
3299 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
3300 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3301 #endif
3302 if (dev->flags & IFF_PROMISC) {
3303 /* Promiscuous mode. */
3304 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3305 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3306 BNX2_RPM_SORT_USER0_PROM_VLAN;
3307 }
3308 else if (dev->flags & IFF_ALLMULTI) {
3309 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3310 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3311 0xffffffff);
3312 }
3313 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3314 }
3315 else {
3316 /* Accept one or more multicast(s). */
3317 struct dev_mc_list *mclist;
3318 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3319 u32 regidx;
3320 u32 bit;
3321 u32 crc;
3322
3323 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3324
3325 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3326 i++, mclist = mclist->next) {
3327
3328 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3329 bit = crc & 0xff;
3330 regidx = (bit & 0xe0) >> 5;
3331 bit &= 0x1f;
3332 mc_filter[regidx] |= (1 << bit);
3333 }
3334
3335 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3336 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3337 mc_filter[i]);
3338 }
3339
3340 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3341 }
3342
3343 uc_ptr = NULL;
3344 if (dev->uc_count > BNX2_MAX_UNICAST_ADDRESSES) {
3345 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3346 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3347 BNX2_RPM_SORT_USER0_PROM_VLAN;
3348 } else if (!(dev->flags & IFF_PROMISC)) {
3349 uc_ptr = dev->uc_list;
3350
3351 /* Add all entries into to the match filter list */
3352 for (i = 0; i < dev->uc_count; i++) {
3353 bnx2_set_mac_addr(bp, uc_ptr->da_addr,
3354 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3355 sort_mode |= (1 <<
3356 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
3357 uc_ptr = uc_ptr->next;
3358 }
3359
3360 }
3361
3362 if (rx_mode != bp->rx_mode) {
3363 bp->rx_mode = rx_mode;
3364 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3365 }
3366
3367 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3368 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3369 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3370
3371 spin_unlock_bh(&bp->phy_lock);
3372 }
3373
3374 static void
3375 load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3376 u32 rv2p_proc)
3377 {
3378 int i;
3379 u32 val;
3380
3381 if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3382 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3383 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3384 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3385 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3386 }
3387
3388 for (i = 0; i < rv2p_code_len; i += 8) {
3389 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3390 rv2p_code++;
3391 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3392 rv2p_code++;
3393
3394 if (rv2p_proc == RV2P_PROC1) {
3395 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3396 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3397 }
3398 else {
3399 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3400 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3401 }
3402 }
3403
3404 /* Reset the processor, un-stall is done later. */
3405 if (rv2p_proc == RV2P_PROC1) {
3406 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3407 }
3408 else {
3409 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3410 }
3411 }
3412
3413 static int
3414 load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, struct fw_info *fw)
3415 {
3416 u32 offset;
3417 u32 val;
3418 int rc;
3419
3420 /* Halt the CPU. */
3421 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3422 val |= cpu_reg->mode_value_halt;
3423 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3424 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3425
3426 /* Load the Text area. */
3427 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3428 if (fw->gz_text) {
3429 int j;
3430
3431 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3432 fw->gz_text_len);
3433 if (rc < 0)
3434 return rc;
3435
3436 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3437 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3438 }
3439 }
3440
3441 /* Load the Data area. */
3442 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3443 if (fw->data) {
3444 int j;
3445
3446 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3447 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3448 }
3449 }
3450
3451 /* Load the SBSS area. */
3452 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
3453 if (fw->sbss_len) {
3454 int j;
3455
3456 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3457 bnx2_reg_wr_ind(bp, offset, 0);
3458 }
3459 }
3460
3461 /* Load the BSS area. */
3462 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
3463 if (fw->bss_len) {
3464 int j;
3465
3466 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3467 bnx2_reg_wr_ind(bp, offset, 0);
3468 }
3469 }
3470
3471 /* Load the Read-Only area. */
3472 offset = cpu_reg->spad_base +
3473 (fw->rodata_addr - cpu_reg->mips_view_base);
3474 if (fw->rodata) {
3475 int j;
3476
3477 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3478 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3479 }
3480 }
3481
3482 /* Clear the pre-fetch instruction. */
3483 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3484 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3485
3486 /* Start the CPU. */
3487 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3488 val &= ~cpu_reg->mode_value_halt;
3489 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3490 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3491
3492 return 0;
3493 }
3494
3495 static int
3496 bnx2_init_cpus(struct bnx2 *bp)
3497 {
3498 struct fw_info *fw;
3499 int rc, rv2p_len;
3500 void *text, *rv2p;
3501
3502 /* Initialize the RV2P processor. */
3503 text = vmalloc(FW_BUF_SIZE);
3504 if (!text)
3505 return -ENOMEM;
3506 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3507 rv2p = bnx2_xi_rv2p_proc1;
3508 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3509 } else {
3510 rv2p = bnx2_rv2p_proc1;
3511 rv2p_len = sizeof(bnx2_rv2p_proc1);
3512 }
3513 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3514 if (rc < 0)
3515 goto init_cpu_err;
3516
3517 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3518
3519 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3520 rv2p = bnx2_xi_rv2p_proc2;
3521 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3522 } else {
3523 rv2p = bnx2_rv2p_proc2;
3524 rv2p_len = sizeof(bnx2_rv2p_proc2);
3525 }
3526 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3527 if (rc < 0)
3528 goto init_cpu_err;
3529
3530 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3531
3532 /* Initialize the RX Processor. */
3533 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3534 fw = &bnx2_rxp_fw_09;
3535 else
3536 fw = &bnx2_rxp_fw_06;
3537
3538 fw->text = text;
3539 rc = load_cpu_fw(bp, &cpu_reg_rxp, fw);
3540 if (rc)
3541 goto init_cpu_err;
3542
3543 /* Initialize the TX Processor. */
3544 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3545 fw = &bnx2_txp_fw_09;
3546 else
3547 fw = &bnx2_txp_fw_06;
3548
3549 fw->text = text;
3550 rc = load_cpu_fw(bp, &cpu_reg_txp, fw);
3551 if (rc)
3552 goto init_cpu_err;
3553
3554 /* Initialize the TX Patch-up Processor. */
3555 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3556 fw = &bnx2_tpat_fw_09;
3557 else
3558 fw = &bnx2_tpat_fw_06;
3559
3560 fw->text = text;
3561 rc = load_cpu_fw(bp, &cpu_reg_tpat, fw);
3562 if (rc)
3563 goto init_cpu_err;
3564
3565 /* Initialize the Completion Processor. */
3566 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3567 fw = &bnx2_com_fw_09;
3568 else
3569 fw = &bnx2_com_fw_06;
3570
3571 fw->text = text;
3572 rc = load_cpu_fw(bp, &cpu_reg_com, fw);
3573 if (rc)
3574 goto init_cpu_err;
3575
3576 /* Initialize the Command Processor. */
3577 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3578 fw = &bnx2_cp_fw_09;
3579 else
3580 fw = &bnx2_cp_fw_06;
3581
3582 fw->text = text;
3583 rc = load_cpu_fw(bp, &cpu_reg_cp, fw);
3584
3585 init_cpu_err:
3586 vfree(text);
3587 return rc;
3588 }
3589
3590 static int
3591 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3592 {
3593 u16 pmcsr;
3594
3595 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3596
3597 switch (state) {
3598 case PCI_D0: {
3599 u32 val;
3600
3601 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3602 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3603 PCI_PM_CTRL_PME_STATUS);
3604
3605 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3606 /* delay required during transition out of D3hot */
3607 msleep(20);
3608
3609 val = REG_RD(bp, BNX2_EMAC_MODE);
3610 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3611 val &= ~BNX2_EMAC_MODE_MPKT;
3612 REG_WR(bp, BNX2_EMAC_MODE, val);
3613
3614 val = REG_RD(bp, BNX2_RPM_CONFIG);
3615 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3616 REG_WR(bp, BNX2_RPM_CONFIG, val);
3617 break;
3618 }
3619 case PCI_D3hot: {
3620 int i;
3621 u32 val, wol_msg;
3622
3623 if (bp->wol) {
3624 u32 advertising;
3625 u8 autoneg;
3626
3627 autoneg = bp->autoneg;
3628 advertising = bp->advertising;
3629
3630 if (bp->phy_port == PORT_TP) {
3631 bp->autoneg = AUTONEG_SPEED;
3632 bp->advertising = ADVERTISED_10baseT_Half |
3633 ADVERTISED_10baseT_Full |
3634 ADVERTISED_100baseT_Half |
3635 ADVERTISED_100baseT_Full |
3636 ADVERTISED_Autoneg;
3637 }
3638
3639 spin_lock_bh(&bp->phy_lock);
3640 bnx2_setup_phy(bp, bp->phy_port);
3641 spin_unlock_bh(&bp->phy_lock);
3642
3643 bp->autoneg = autoneg;
3644 bp->advertising = advertising;
3645
3646 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3647
3648 val = REG_RD(bp, BNX2_EMAC_MODE);
3649
3650 /* Enable port mode. */
3651 val &= ~BNX2_EMAC_MODE_PORT;
3652 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3653 BNX2_EMAC_MODE_ACPI_RCVD |
3654 BNX2_EMAC_MODE_MPKT;
3655 if (bp->phy_port == PORT_TP)
3656 val |= BNX2_EMAC_MODE_PORT_MII;
3657 else {
3658 val |= BNX2_EMAC_MODE_PORT_GMII;
3659 if (bp->line_speed == SPEED_2500)
3660 val |= BNX2_EMAC_MODE_25G_MODE;
3661 }
3662
3663 REG_WR(bp, BNX2_EMAC_MODE, val);
3664
3665 /* receive all multicast */
3666 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3667 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3668 0xffffffff);
3669 }
3670 REG_WR(bp, BNX2_EMAC_RX_MODE,
3671 BNX2_EMAC_RX_MODE_SORT_MODE);
3672
3673 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3674 BNX2_RPM_SORT_USER0_MC_EN;
3675 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3676 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3677 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3678 BNX2_RPM_SORT_USER0_ENA);
3679
3680 /* Need to enable EMAC and RPM for WOL. */
3681 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3682 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3683 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3684 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3685
3686 val = REG_RD(bp, BNX2_RPM_CONFIG);
3687 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3688 REG_WR(bp, BNX2_RPM_CONFIG, val);
3689
3690 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3691 }
3692 else {
3693 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3694 }
3695
3696 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3697 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3698 1, 0);
3699
3700 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3701 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3702 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3703
3704 if (bp->wol)
3705 pmcsr |= 3;
3706 }
3707 else {
3708 pmcsr |= 3;
3709 }
3710 if (bp->wol) {
3711 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3712 }
3713 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3714 pmcsr);
3715
3716 /* No more memory access after this point until
3717 * device is brought back to D0.
3718 */
3719 udelay(50);
3720 break;
3721 }
3722 default:
3723 return -EINVAL;
3724 }
3725 return 0;
3726 }
3727
3728 static int
3729 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3730 {
3731 u32 val;
3732 int j;
3733
3734 /* Request access to the flash interface. */
3735 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3736 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3737 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3738 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3739 break;
3740
3741 udelay(5);
3742 }
3743
3744 if (j >= NVRAM_TIMEOUT_COUNT)
3745 return -EBUSY;
3746
3747 return 0;
3748 }
3749
3750 static int
3751 bnx2_release_nvram_lock(struct bnx2 *bp)
3752 {
3753 int j;
3754 u32 val;
3755
3756 /* Relinquish nvram interface. */
3757 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3758
3759 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3760 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3761 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3762 break;
3763
3764 udelay(5);
3765 }
3766
3767 if (j >= NVRAM_TIMEOUT_COUNT)
3768 return -EBUSY;
3769
3770 return 0;
3771 }
3772
3773
3774 static int
3775 bnx2_enable_nvram_write(struct bnx2 *bp)
3776 {
3777 u32 val;
3778
3779 val = REG_RD(bp, BNX2_MISC_CFG);
3780 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3781
3782 if (bp->flash_info->flags & BNX2_NV_WREN) {
3783 int j;
3784
3785 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3786 REG_WR(bp, BNX2_NVM_COMMAND,
3787 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3788
3789 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3790 udelay(5);
3791
3792 val = REG_RD(bp, BNX2_NVM_COMMAND);
3793 if (val & BNX2_NVM_COMMAND_DONE)
3794 break;
3795 }
3796
3797 if (j >= NVRAM_TIMEOUT_COUNT)
3798 return -EBUSY;
3799 }
3800 return 0;
3801 }
3802
3803 static void
3804 bnx2_disable_nvram_write(struct bnx2 *bp)
3805 {
3806 u32 val;
3807
3808 val = REG_RD(bp, BNX2_MISC_CFG);
3809 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3810 }
3811
3812
3813 static void
3814 bnx2_enable_nvram_access(struct bnx2 *bp)
3815 {
3816 u32 val;
3817
3818 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3819 /* Enable both bits, even on read. */
3820 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3821 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3822 }
3823
3824 static void
3825 bnx2_disable_nvram_access(struct bnx2 *bp)
3826 {
3827 u32 val;
3828
3829 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3830 /* Disable both bits, even after read. */
3831 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3832 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3833 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3834 }
3835
3836 static int
3837 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3838 {
3839 u32 cmd;
3840 int j;
3841
3842 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3843 /* Buffered flash, no erase needed */
3844 return 0;
3845
3846 /* Build an erase command */
3847 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3848 BNX2_NVM_COMMAND_DOIT;
3849
3850 /* Need to clear DONE bit separately. */
3851 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3852
3853 /* Address of the NVRAM to read from. */
3854 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3855
3856 /* Issue an erase command. */
3857 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3858
3859 /* Wait for completion. */
3860 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3861 u32 val;
3862
3863 udelay(5);
3864
3865 val = REG_RD(bp, BNX2_NVM_COMMAND);
3866 if (val & BNX2_NVM_COMMAND_DONE)
3867 break;
3868 }
3869
3870 if (j >= NVRAM_TIMEOUT_COUNT)
3871 return -EBUSY;
3872
3873 return 0;
3874 }
3875
3876 static int
3877 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3878 {
3879 u32 cmd;
3880 int j;
3881
3882 /* Build the command word. */
3883 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3884
3885 /* Calculate an offset of a buffered flash, not needed for 5709. */
3886 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3887 offset = ((offset / bp->flash_info->page_size) <<
3888 bp->flash_info->page_bits) +
3889 (offset % bp->flash_info->page_size);
3890 }
3891
3892 /* Need to clear DONE bit separately. */
3893 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3894
3895 /* Address of the NVRAM to read from. */
3896 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3897
3898 /* Issue a read command. */
3899 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3900
3901 /* Wait for completion. */
3902 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3903 u32 val;
3904
3905 udelay(5);
3906
3907 val = REG_RD(bp, BNX2_NVM_COMMAND);
3908 if (val & BNX2_NVM_COMMAND_DONE) {
3909 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3910 memcpy(ret_val, &v, 4);
3911 break;
3912 }
3913 }
3914 if (j >= NVRAM_TIMEOUT_COUNT)
3915 return -EBUSY;
3916
3917 return 0;
3918 }
3919
3920
3921 static int
3922 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3923 {
3924 u32 cmd;
3925 __be32 val32;
3926 int j;
3927
3928 /* Build the command word. */
3929 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3930
3931 /* Calculate an offset of a buffered flash, not needed for 5709. */
3932 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3933 offset = ((offset / bp->flash_info->page_size) <<
3934 bp->flash_info->page_bits) +
3935 (offset % bp->flash_info->page_size);
3936 }
3937
3938 /* Need to clear DONE bit separately. */
3939 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3940
3941 memcpy(&val32, val, 4);
3942
3943 /* Write the data. */
3944 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3945
3946 /* Address of the NVRAM to write to. */
3947 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3948
3949 /* Issue the write command. */
3950 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3951
3952 /* Wait for completion. */
3953 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3954 udelay(5);
3955
3956 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3957 break;
3958 }
3959 if (j >= NVRAM_TIMEOUT_COUNT)
3960 return -EBUSY;
3961
3962 return 0;
3963 }
3964
3965 static int
3966 bnx2_init_nvram(struct bnx2 *bp)
3967 {
3968 u32 val;
3969 int j, entry_count, rc = 0;
3970 struct flash_spec *flash;
3971
3972 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3973 bp->flash_info = &flash_5709;
3974 goto get_flash_size;
3975 }
3976
3977 /* Determine the selected interface. */
3978 val = REG_RD(bp, BNX2_NVM_CFG1);
3979
3980 entry_count = ARRAY_SIZE(flash_table);
3981
3982 if (val & 0x40000000) {
3983
3984 /* Flash interface has been reconfigured */
3985 for (j = 0, flash = &flash_table[0]; j < entry_count;
3986 j++, flash++) {
3987 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3988 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3989 bp->flash_info = flash;
3990 break;
3991 }
3992 }
3993 }
3994 else {
3995 u32 mask;
3996 /* Not yet been reconfigured */
3997
3998 if (val & (1 << 23))
3999 mask = FLASH_BACKUP_STRAP_MASK;
4000 else
4001 mask = FLASH_STRAP_MASK;
4002
4003 for (j = 0, flash = &flash_table[0]; j < entry_count;
4004 j++, flash++) {
4005
4006 if ((val & mask) == (flash->strapping & mask)) {
4007 bp->flash_info = flash;
4008
4009 /* Request access to the flash interface. */
4010 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4011 return rc;
4012
4013 /* Enable access to flash interface */
4014 bnx2_enable_nvram_access(bp);
4015
4016 /* Reconfigure the flash interface */
4017 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4018 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4019 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4020 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4021
4022 /* Disable access to flash interface */
4023 bnx2_disable_nvram_access(bp);
4024 bnx2_release_nvram_lock(bp);
4025
4026 break;
4027 }
4028 }
4029 } /* if (val & 0x40000000) */
4030
4031 if (j == entry_count) {
4032 bp->flash_info = NULL;
4033 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
4034 return -ENODEV;
4035 }
4036
4037 get_flash_size:
4038 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
4039 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4040 if (val)
4041 bp->flash_size = val;
4042 else
4043 bp->flash_size = bp->flash_info->total_size;
4044
4045 return rc;
4046 }
4047
4048 static int
4049 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4050 int buf_size)
4051 {
4052 int rc = 0;
4053 u32 cmd_flags, offset32, len32, extra;
4054
4055 if (buf_size == 0)
4056 return 0;
4057
4058 /* Request access to the flash interface. */
4059 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4060 return rc;
4061
4062 /* Enable access to flash interface */
4063 bnx2_enable_nvram_access(bp);
4064
4065 len32 = buf_size;
4066 offset32 = offset;
4067 extra = 0;
4068
4069 cmd_flags = 0;
4070
4071 if (offset32 & 3) {
4072 u8 buf[4];
4073 u32 pre_len;
4074
4075 offset32 &= ~3;
4076 pre_len = 4 - (offset & 3);
4077
4078 if (pre_len >= len32) {
4079 pre_len = len32;
4080 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4081 BNX2_NVM_COMMAND_LAST;
4082 }
4083 else {
4084 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4085 }
4086
4087 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4088
4089 if (rc)
4090 return rc;
4091
4092 memcpy(ret_buf, buf + (offset & 3), pre_len);
4093
4094 offset32 += 4;
4095 ret_buf += pre_len;
4096 len32 -= pre_len;
4097 }
4098 if (len32 & 3) {
4099 extra = 4 - (len32 & 3);
4100 len32 = (len32 + 4) & ~3;
4101 }
4102
4103 if (len32 == 4) {
4104 u8 buf[4];
4105
4106 if (cmd_flags)
4107 cmd_flags = BNX2_NVM_COMMAND_LAST;
4108 else
4109 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4110 BNX2_NVM_COMMAND_LAST;
4111
4112 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4113
4114 memcpy(ret_buf, buf, 4 - extra);
4115 }
4116 else if (len32 > 0) {
4117 u8 buf[4];
4118
4119 /* Read the first word. */
4120 if (cmd_flags)
4121 cmd_flags = 0;
4122 else
4123 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4124
4125 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4126
4127 /* Advance to the next dword. */
4128 offset32 += 4;
4129 ret_buf += 4;
4130 len32 -= 4;
4131
4132 while (len32 > 4 && rc == 0) {
4133 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4134
4135 /* Advance to the next dword. */
4136 offset32 += 4;
4137 ret_buf += 4;
4138 len32 -= 4;
4139 }
4140
4141 if (rc)
4142 return rc;
4143
4144 cmd_flags = BNX2_NVM_COMMAND_LAST;
4145 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4146
4147 memcpy(ret_buf, buf, 4 - extra);
4148 }
4149
4150 /* Disable access to flash interface */
4151 bnx2_disable_nvram_access(bp);
4152
4153 bnx2_release_nvram_lock(bp);
4154
4155 return rc;
4156 }
4157
4158 static int
4159 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4160 int buf_size)
4161 {
4162 u32 written, offset32, len32;
4163 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4164 int rc = 0;
4165 int align_start, align_end;
4166
4167 buf = data_buf;
4168 offset32 = offset;
4169 len32 = buf_size;
4170 align_start = align_end = 0;
4171
4172 if ((align_start = (offset32 & 3))) {
4173 offset32 &= ~3;
4174 len32 += align_start;
4175 if (len32 < 4)
4176 len32 = 4;
4177 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4178 return rc;
4179 }
4180
4181 if (len32 & 3) {
4182 align_end = 4 - (len32 & 3);
4183 len32 += align_end;
4184 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4185 return rc;
4186 }
4187
4188 if (align_start || align_end) {
4189 align_buf = kmalloc(len32, GFP_KERNEL);
4190 if (align_buf == NULL)
4191 return -ENOMEM;
4192 if (align_start) {
4193 memcpy(align_buf, start, 4);
4194 }
4195 if (align_end) {
4196 memcpy(align_buf + len32 - 4, end, 4);
4197 }
4198 memcpy(align_buf + align_start, data_buf, buf_size);
4199 buf = align_buf;
4200 }
4201
4202 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4203 flash_buffer = kmalloc(264, GFP_KERNEL);
4204 if (flash_buffer == NULL) {
4205 rc = -ENOMEM;
4206 goto nvram_write_end;
4207 }
4208 }
4209
4210 written = 0;
4211 while ((written < len32) && (rc == 0)) {
4212 u32 page_start, page_end, data_start, data_end;
4213 u32 addr, cmd_flags;
4214 int i;
4215
4216 /* Find the page_start addr */
4217 page_start = offset32 + written;
4218 page_start -= (page_start % bp->flash_info->page_size);
4219 /* Find the page_end addr */
4220 page_end = page_start + bp->flash_info->page_size;
4221 /* Find the data_start addr */
4222 data_start = (written == 0) ? offset32 : page_start;
4223 /* Find the data_end addr */
4224 data_end = (page_end > offset32 + len32) ?
4225 (offset32 + len32) : page_end;
4226
4227 /* Request access to the flash interface. */
4228 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4229 goto nvram_write_end;
4230
4231 /* Enable access to flash interface */
4232 bnx2_enable_nvram_access(bp);
4233
4234 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4235 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4236 int j;
4237
4238 /* Read the whole page into the buffer
4239 * (non-buffer flash only) */
4240 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4241 if (j == (bp->flash_info->page_size - 4)) {
4242 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4243 }
4244 rc = bnx2_nvram_read_dword(bp,
4245 page_start + j,
4246 &flash_buffer[j],
4247 cmd_flags);
4248
4249 if (rc)
4250 goto nvram_write_end;
4251
4252 cmd_flags = 0;
4253 }
4254 }
4255
4256 /* Enable writes to flash interface (unlock write-protect) */
4257 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4258 goto nvram_write_end;
4259
4260 /* Loop to write back the buffer data from page_start to
4261 * data_start */
4262 i = 0;
4263 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4264 /* Erase the page */
4265 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4266 goto nvram_write_end;
4267
4268 /* Re-enable the write again for the actual write */
4269 bnx2_enable_nvram_write(bp);
4270
4271 for (addr = page_start; addr < data_start;
4272 addr += 4, i += 4) {
4273
4274 rc = bnx2_nvram_write_dword(bp, addr,
4275 &flash_buffer[i], cmd_flags);
4276
4277 if (rc != 0)
4278 goto nvram_write_end;
4279
4280 cmd_flags = 0;
4281 }
4282 }
4283
4284 /* Loop to write the new data from data_start to data_end */
4285 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4286 if ((addr == page_end - 4) ||
4287 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4288 (addr == data_end - 4))) {
4289
4290 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4291 }
4292 rc = bnx2_nvram_write_dword(bp, addr, buf,
4293 cmd_flags);
4294
4295 if (rc != 0)
4296 goto nvram_write_end;
4297
4298 cmd_flags = 0;
4299 buf += 4;
4300 }
4301
4302 /* Loop to write back the buffer data from data_end
4303 * to page_end */
4304 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4305 for (addr = data_end; addr < page_end;
4306 addr += 4, i += 4) {
4307
4308 if (addr == page_end-4) {
4309 cmd_flags = BNX2_NVM_COMMAND_LAST;
4310 }
4311 rc = bnx2_nvram_write_dword(bp, addr,
4312 &flash_buffer[i], cmd_flags);
4313
4314 if (rc != 0)
4315 goto nvram_write_end;
4316
4317 cmd_flags = 0;
4318 }
4319 }
4320
4321 /* Disable writes to flash interface (lock write-protect) */
4322 bnx2_disable_nvram_write(bp);
4323
4324 /* Disable access to flash interface */
4325 bnx2_disable_nvram_access(bp);
4326 bnx2_release_nvram_lock(bp);
4327
4328 /* Increment written */
4329 written += data_end - data_start;
4330 }
4331
4332 nvram_write_end:
4333 kfree(flash_buffer);
4334 kfree(align_buf);
4335 return rc;
4336 }
4337
4338 static void
4339 bnx2_init_fw_cap(struct bnx2 *bp)
4340 {
4341 u32 val, sig = 0;
4342
4343 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4344 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4345
4346 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4347 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4348
4349 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4350 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4351 return;
4352
4353 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4354 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4355 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4356 }
4357
4358 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4359 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4360 u32 link;
4361
4362 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4363
4364 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4365 if (link & BNX2_LINK_STATUS_SERDES_LINK)
4366 bp->phy_port = PORT_FIBRE;
4367 else
4368 bp->phy_port = PORT_TP;
4369
4370 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4371 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4372 }
4373
4374 if (netif_running(bp->dev) && sig)
4375 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4376 }
4377
4378 static void
4379 bnx2_setup_msix_tbl(struct bnx2 *bp)
4380 {
4381 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4382
4383 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4384 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4385 }
4386
4387 static int
4388 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4389 {
4390 u32 val;
4391 int i, rc = 0;
4392 u8 old_port;
4393
4394 /* Wait for the current PCI transaction to complete before
4395 * issuing a reset. */
4396 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4397 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4398 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4399 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4400 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4401 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4402 udelay(5);
4403
4404 /* Wait for the firmware to tell us it is ok to issue a reset. */
4405 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
4406
4407 /* Deposit a driver reset signature so the firmware knows that
4408 * this is a soft reset. */
4409 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4410 BNX2_DRV_RESET_SIGNATURE_MAGIC);
4411
4412 /* Do a dummy read to force the chip to complete all current transaction
4413 * before we issue a reset. */
4414 val = REG_RD(bp, BNX2_MISC_ID);
4415
4416 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4417 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4418 REG_RD(bp, BNX2_MISC_COMMAND);
4419 udelay(5);
4420
4421 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4422 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4423
4424 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4425
4426 } else {
4427 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4428 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4429 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4430
4431 /* Chip reset. */
4432 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4433
4434 /* Reading back any register after chip reset will hang the
4435 * bus on 5706 A0 and A1. The msleep below provides plenty
4436 * of margin for write posting.
4437 */
4438 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4439 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4440 msleep(20);
4441
4442 /* Reset takes approximate 30 usec */
4443 for (i = 0; i < 10; i++) {
4444 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4445 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4446 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4447 break;
4448 udelay(10);
4449 }
4450
4451 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4452 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4453 printk(KERN_ERR PFX "Chip reset did not complete\n");
4454 return -EBUSY;
4455 }
4456 }
4457
4458 /* Make sure byte swapping is properly configured. */
4459 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4460 if (val != 0x01020304) {
4461 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4462 return -ENODEV;
4463 }
4464
4465 /* Wait for the firmware to finish its initialization. */
4466 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
4467 if (rc)
4468 return rc;
4469
4470 spin_lock_bh(&bp->phy_lock);
4471 old_port = bp->phy_port;
4472 bnx2_init_fw_cap(bp);
4473 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4474 old_port != bp->phy_port)
4475 bnx2_set_default_remote_link(bp);
4476 spin_unlock_bh(&bp->phy_lock);
4477
4478 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4479 /* Adjust the voltage regular to two steps lower. The default
4480 * of this register is 0x0000000e. */
4481 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4482
4483 /* Remove bad rbuf memory from the free pool. */
4484 rc = bnx2_alloc_bad_rbuf(bp);
4485 }
4486
4487 if (bp->flags & BNX2_FLAG_USING_MSIX)
4488 bnx2_setup_msix_tbl(bp);
4489
4490 return rc;
4491 }
4492
4493 static int
4494 bnx2_init_chip(struct bnx2 *bp)
4495 {
4496 u32 val;
4497 int rc, i;
4498
4499 /* Make sure the interrupt is not active. */
4500 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4501
4502 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4503 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4504 #ifdef __BIG_ENDIAN
4505 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4506 #endif
4507 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4508 DMA_READ_CHANS << 12 |
4509 DMA_WRITE_CHANS << 16;
4510
4511 val |= (0x2 << 20) | (1 << 11);
4512
4513 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4514 val |= (1 << 23);
4515
4516 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4517 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4518 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4519
4520 REG_WR(bp, BNX2_DMA_CONFIG, val);
4521
4522 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4523 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4524 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4525 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4526 }
4527
4528 if (bp->flags & BNX2_FLAG_PCIX) {
4529 u16 val16;
4530
4531 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4532 &val16);
4533 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4534 val16 & ~PCI_X_CMD_ERO);
4535 }
4536
4537 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4538 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4539 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4540 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4541
4542 /* Initialize context mapping and zero out the quick contexts. The
4543 * context block must have already been enabled. */
4544 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4545 rc = bnx2_init_5709_context(bp);
4546 if (rc)
4547 return rc;
4548 } else
4549 bnx2_init_context(bp);
4550
4551 if ((rc = bnx2_init_cpus(bp)) != 0)
4552 return rc;
4553
4554 bnx2_init_nvram(bp);
4555
4556 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
4557
4558 val = REG_RD(bp, BNX2_MQ_CONFIG);
4559 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4560 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4561 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4562 val |= BNX2_MQ_CONFIG_HALT_DIS;
4563
4564 REG_WR(bp, BNX2_MQ_CONFIG, val);
4565
4566 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4567 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4568 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4569
4570 val = (BCM_PAGE_BITS - 8) << 24;
4571 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4572
4573 /* Configure page size. */
4574 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4575 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4576 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4577 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4578
4579 val = bp->mac_addr[0] +
4580 (bp->mac_addr[1] << 8) +
4581 (bp->mac_addr[2] << 16) +
4582 bp->mac_addr[3] +
4583 (bp->mac_addr[4] << 8) +
4584 (bp->mac_addr[5] << 16);
4585 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4586
4587 /* Program the MTU. Also include 4 bytes for CRC32. */
4588 val = bp->dev->mtu + ETH_HLEN + 4;
4589 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4590 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4591 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4592
4593 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4594 bp->bnx2_napi[i].last_status_idx = 0;
4595
4596 bp->idle_chk_status_idx = 0xffff;
4597
4598 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4599
4600 /* Set up how to generate a link change interrupt. */
4601 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4602
4603 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4604 (u64) bp->status_blk_mapping & 0xffffffff);
4605 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4606
4607 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4608 (u64) bp->stats_blk_mapping & 0xffffffff);
4609 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4610 (u64) bp->stats_blk_mapping >> 32);
4611
4612 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4613 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4614
4615 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4616 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4617
4618 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4619 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4620
4621 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4622
4623 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4624
4625 REG_WR(bp, BNX2_HC_COM_TICKS,
4626 (bp->com_ticks_int << 16) | bp->com_ticks);
4627
4628 REG_WR(bp, BNX2_HC_CMD_TICKS,
4629 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4630
4631 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4632 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4633 else
4634 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4635 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4636
4637 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4638 val = BNX2_HC_CONFIG_COLLECT_STATS;
4639 else {
4640 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4641 BNX2_HC_CONFIG_COLLECT_STATS;
4642 }
4643
4644 if (bp->irq_nvecs > 1) {
4645 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4646 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4647
4648 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4649 }
4650
4651 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4652 val |= BNX2_HC_CONFIG_ONE_SHOT;
4653
4654 REG_WR(bp, BNX2_HC_CONFIG, val);
4655
4656 for (i = 1; i < bp->irq_nvecs; i++) {
4657 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4658 BNX2_HC_SB_CONFIG_1;
4659
4660 REG_WR(bp, base,
4661 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4662 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
4663 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4664
4665 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4666 (bp->tx_quick_cons_trip_int << 16) |
4667 bp->tx_quick_cons_trip);
4668
4669 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4670 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4671
4672 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4673 (bp->rx_quick_cons_trip_int << 16) |
4674 bp->rx_quick_cons_trip);
4675
4676 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4677 (bp->rx_ticks_int << 16) | bp->rx_ticks);
4678 }
4679
4680 /* Clear internal stats counters. */
4681 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4682
4683 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4684
4685 /* Initialize the receive filter. */
4686 bnx2_set_rx_mode(bp->dev);
4687
4688 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4689 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4690 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4691 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4692 }
4693 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4694 1, 0);
4695
4696 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4697 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4698
4699 udelay(20);
4700
4701 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4702
4703 return rc;
4704 }
4705
4706 static void
4707 bnx2_clear_ring_states(struct bnx2 *bp)
4708 {
4709 struct bnx2_napi *bnapi;
4710 struct bnx2_tx_ring_info *txr;
4711 struct bnx2_rx_ring_info *rxr;
4712 int i;
4713
4714 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4715 bnapi = &bp->bnx2_napi[i];
4716 txr = &bnapi->tx_ring;
4717 rxr = &bnapi->rx_ring;
4718
4719 txr->tx_cons = 0;
4720 txr->hw_tx_cons = 0;
4721 rxr->rx_prod_bseq = 0;
4722 rxr->rx_prod = 0;
4723 rxr->rx_cons = 0;
4724 rxr->rx_pg_prod = 0;
4725 rxr->rx_pg_cons = 0;
4726 }
4727 }
4728
4729 static void
4730 bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
4731 {
4732 u32 val, offset0, offset1, offset2, offset3;
4733 u32 cid_addr = GET_CID_ADDR(cid);
4734
4735 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4736 offset0 = BNX2_L2CTX_TYPE_XI;
4737 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4738 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4739 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4740 } else {
4741 offset0 = BNX2_L2CTX_TYPE;
4742 offset1 = BNX2_L2CTX_CMD_TYPE;
4743 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4744 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4745 }
4746 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4747 bnx2_ctx_wr(bp, cid_addr, offset0, val);
4748
4749 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4750 bnx2_ctx_wr(bp, cid_addr, offset1, val);
4751
4752 val = (u64) txr->tx_desc_mapping >> 32;
4753 bnx2_ctx_wr(bp, cid_addr, offset2, val);
4754
4755 val = (u64) txr->tx_desc_mapping & 0xffffffff;
4756 bnx2_ctx_wr(bp, cid_addr, offset3, val);
4757 }
4758
4759 static void
4760 bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
4761 {
4762 struct tx_bd *txbd;
4763 u32 cid = TX_CID;
4764 struct bnx2_napi *bnapi;
4765 struct bnx2_tx_ring_info *txr;
4766
4767 bnapi = &bp->bnx2_napi[ring_num];
4768 txr = &bnapi->tx_ring;
4769
4770 if (ring_num == 0)
4771 cid = TX_CID;
4772 else
4773 cid = TX_TSS_CID + ring_num - 1;
4774
4775 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4776
4777 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
4778
4779 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
4780 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
4781
4782 txr->tx_prod = 0;
4783 txr->tx_prod_bseq = 0;
4784
4785 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4786 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4787
4788 bnx2_init_tx_context(bp, cid, txr);
4789 }
4790
4791 static void
4792 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4793 int num_rings)
4794 {
4795 int i;
4796 struct rx_bd *rxbd;
4797
4798 for (i = 0; i < num_rings; i++) {
4799 int j;
4800
4801 rxbd = &rx_ring[i][0];
4802 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4803 rxbd->rx_bd_len = buf_size;
4804 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4805 }
4806 if (i == (num_rings - 1))
4807 j = 0;
4808 else
4809 j = i + 1;
4810 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4811 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4812 }
4813 }
4814
4815 static void
4816 bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
4817 {
4818 int i;
4819 u16 prod, ring_prod;
4820 u32 cid, rx_cid_addr, val;
4821 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
4822 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
4823
4824 if (ring_num == 0)
4825 cid = RX_CID;
4826 else
4827 cid = RX_RSS_CID + ring_num - 1;
4828
4829 rx_cid_addr = GET_CID_ADDR(cid);
4830
4831 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
4832 bp->rx_buf_use_size, bp->rx_max_ring);
4833
4834 bnx2_init_rx_context(bp, cid);
4835
4836 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4837 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4838 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4839 }
4840
4841 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4842 if (bp->rx_pg_ring_size) {
4843 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
4844 rxr->rx_pg_desc_mapping,
4845 PAGE_SIZE, bp->rx_max_pg_ring);
4846 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4847 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4848 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4849 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
4850
4851 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
4852 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4853
4854 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
4855 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4856
4857 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4858 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4859 }
4860
4861 val = (u64) rxr->rx_desc_mapping[0] >> 32;
4862 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4863
4864 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
4865 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4866
4867 ring_prod = prod = rxr->rx_pg_prod;
4868 for (i = 0; i < bp->rx_pg_ring_size; i++) {
4869 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
4870 break;
4871 prod = NEXT_RX_BD(prod);
4872 ring_prod = RX_PG_RING_IDX(prod);
4873 }
4874 rxr->rx_pg_prod = prod;
4875
4876 ring_prod = prod = rxr->rx_prod;
4877 for (i = 0; i < bp->rx_ring_size; i++) {
4878 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
4879 break;
4880 prod = NEXT_RX_BD(prod);
4881 ring_prod = RX_RING_IDX(prod);
4882 }
4883 rxr->rx_prod = prod;
4884
4885 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
4886 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
4887 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
4888
4889 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
4890 REG_WR16(bp, rxr->rx_bidx_addr, prod);
4891
4892 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
4893 }
4894
4895 static void
4896 bnx2_init_all_rings(struct bnx2 *bp)
4897 {
4898 int i;
4899 u32 val;
4900
4901 bnx2_clear_ring_states(bp);
4902
4903 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
4904 for (i = 0; i < bp->num_tx_rings; i++)
4905 bnx2_init_tx_ring(bp, i);
4906
4907 if (bp->num_tx_rings > 1)
4908 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
4909 (TX_TSS_CID << 7));
4910
4911 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
4912 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
4913
4914 for (i = 0; i < bp->num_rx_rings; i++)
4915 bnx2_init_rx_ring(bp, i);
4916
4917 if (bp->num_rx_rings > 1) {
4918 u32 tbl_32;
4919 u8 *tbl = (u8 *) &tbl_32;
4920
4921 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
4922 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
4923
4924 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
4925 tbl[i % 4] = i % (bp->num_rx_rings - 1);
4926 if ((i % 4) == 3)
4927 bnx2_reg_wr_ind(bp,
4928 BNX2_RXP_SCRATCH_RSS_TBL + i,
4929 cpu_to_be32(tbl_32));
4930 }
4931
4932 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
4933 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
4934
4935 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
4936
4937 }
4938 }
4939
4940 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4941 {
4942 u32 max, num_rings = 1;
4943
4944 while (ring_size > MAX_RX_DESC_CNT) {
4945 ring_size -= MAX_RX_DESC_CNT;
4946 num_rings++;
4947 }
4948 /* round to next power of 2 */
4949 max = max_size;
4950 while ((max & num_rings) == 0)
4951 max >>= 1;
4952
4953 if (num_rings != max)
4954 max <<= 1;
4955
4956 return max;
4957 }
4958
4959 static void
4960 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4961 {
4962 u32 rx_size, rx_space, jumbo_size;
4963
4964 /* 8 for CRC and VLAN */
4965 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
4966
4967 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4968 sizeof(struct skb_shared_info);
4969
4970 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
4971 bp->rx_pg_ring_size = 0;
4972 bp->rx_max_pg_ring = 0;
4973 bp->rx_max_pg_ring_idx = 0;
4974 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4975 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4976
4977 jumbo_size = size * pages;
4978 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4979 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4980
4981 bp->rx_pg_ring_size = jumbo_size;
4982 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4983 MAX_RX_PG_RINGS);
4984 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4985 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
4986 bp->rx_copy_thresh = 0;
4987 }
4988
4989 bp->rx_buf_use_size = rx_size;
4990 /* hw alignment */
4991 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4992 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
4993 bp->rx_ring_size = size;
4994 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4995 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4996 }
4997
4998 static void
4999 bnx2_free_tx_skbs(struct bnx2 *bp)
5000 {
5001 int i;
5002
5003 for (i = 0; i < bp->num_tx_rings; i++) {
5004 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5005 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5006 int j;
5007
5008 if (txr->tx_buf_ring == NULL)
5009 continue;
5010
5011 for (j = 0; j < TX_DESC_CNT; ) {
5012 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
5013 struct sk_buff *skb = tx_buf->skb;
5014
5015 if (skb == NULL) {
5016 j++;
5017 continue;
5018 }
5019
5020 skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
5021
5022 tx_buf->skb = NULL;
5023
5024 j += skb_shinfo(skb)->nr_frags + 1;
5025 dev_kfree_skb(skb);
5026 }
5027 }
5028 }
5029
5030 static void
5031 bnx2_free_rx_skbs(struct bnx2 *bp)
5032 {
5033 int i;
5034
5035 for (i = 0; i < bp->num_rx_rings; i++) {
5036 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5037 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5038 int j;
5039
5040 if (rxr->rx_buf_ring == NULL)
5041 return;
5042
5043 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5044 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5045 struct sk_buff *skb = rx_buf->skb;
5046
5047 if (skb == NULL)
5048 continue;
5049
5050 pci_unmap_single(bp->pdev,
5051 pci_unmap_addr(rx_buf, mapping),
5052 bp->rx_buf_use_size,
5053 PCI_DMA_FROMDEVICE);
5054
5055 rx_buf->skb = NULL;
5056
5057 dev_kfree_skb(skb);
5058 }
5059 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5060 bnx2_free_rx_page(bp, rxr, j);
5061 }
5062 }
5063
5064 static void
5065 bnx2_free_skbs(struct bnx2 *bp)
5066 {
5067 bnx2_free_tx_skbs(bp);
5068 bnx2_free_rx_skbs(bp);
5069 }
5070
5071 static int
5072 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5073 {
5074 int rc;
5075
5076 rc = bnx2_reset_chip(bp, reset_code);
5077 bnx2_free_skbs(bp);
5078 if (rc)
5079 return rc;
5080
5081 if ((rc = bnx2_init_chip(bp)) != 0)
5082 return rc;
5083
5084 bnx2_init_all_rings(bp);
5085 return 0;
5086 }
5087
5088 static int
5089 bnx2_init_nic(struct bnx2 *bp, int reset_phy)
5090 {
5091 int rc;
5092
5093 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5094 return rc;
5095
5096 spin_lock_bh(&bp->phy_lock);
5097 bnx2_init_phy(bp, reset_phy);
5098 bnx2_set_link(bp);
5099 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5100 bnx2_remote_phy_event(bp);
5101 spin_unlock_bh(&bp->phy_lock);
5102 return 0;
5103 }
5104
5105 static int
5106 bnx2_shutdown_chip(struct bnx2 *bp)
5107 {
5108 u32 reset_code;
5109
5110 if (bp->flags & BNX2_FLAG_NO_WOL)
5111 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5112 else if (bp->wol)
5113 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5114 else
5115 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5116
5117 return bnx2_reset_chip(bp, reset_code);
5118 }
5119
5120 static int
5121 bnx2_test_registers(struct bnx2 *bp)
5122 {
5123 int ret;
5124 int i, is_5709;
5125 static const struct {
5126 u16 offset;
5127 u16 flags;
5128 #define BNX2_FL_NOT_5709 1
5129 u32 rw_mask;
5130 u32 ro_mask;
5131 } reg_tbl[] = {
5132 { 0x006c, 0, 0x00000000, 0x0000003f },
5133 { 0x0090, 0, 0xffffffff, 0x00000000 },
5134 { 0x0094, 0, 0x00000000, 0x00000000 },
5135
5136 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5137 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5138 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5139 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5140 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5141 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5142 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5143 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5144 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5145
5146 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5147 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5148 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5149 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5150 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5151 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5152
5153 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5154 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5155 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
5156
5157 { 0x1000, 0, 0x00000000, 0x00000001 },
5158 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
5159
5160 { 0x1408, 0, 0x01c00800, 0x00000000 },
5161 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5162 { 0x14a8, 0, 0x00000000, 0x000001ff },
5163 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
5164 { 0x14b0, 0, 0x00000002, 0x00000001 },
5165 { 0x14b8, 0, 0x00000000, 0x00000000 },
5166 { 0x14c0, 0, 0x00000000, 0x00000009 },
5167 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5168 { 0x14cc, 0, 0x00000000, 0x00000001 },
5169 { 0x14d0, 0, 0xffffffff, 0x00000000 },
5170
5171 { 0x1800, 0, 0x00000000, 0x00000001 },
5172 { 0x1804, 0, 0x00000000, 0x00000003 },
5173
5174 { 0x2800, 0, 0x00000000, 0x00000001 },
5175 { 0x2804, 0, 0x00000000, 0x00003f01 },
5176 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5177 { 0x2810, 0, 0xffff0000, 0x00000000 },
5178 { 0x2814, 0, 0xffff0000, 0x00000000 },
5179 { 0x2818, 0, 0xffff0000, 0x00000000 },
5180 { 0x281c, 0, 0xffff0000, 0x00000000 },
5181 { 0x2834, 0, 0xffffffff, 0x00000000 },
5182 { 0x2840, 0, 0x00000000, 0xffffffff },
5183 { 0x2844, 0, 0x00000000, 0xffffffff },
5184 { 0x2848, 0, 0xffffffff, 0x00000000 },
5185 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5186
5187 { 0x2c00, 0, 0x00000000, 0x00000011 },
5188 { 0x2c04, 0, 0x00000000, 0x00030007 },
5189
5190 { 0x3c00, 0, 0x00000000, 0x00000001 },
5191 { 0x3c04, 0, 0x00000000, 0x00070000 },
5192 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5193 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5194 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5195 { 0x3c14, 0, 0x00000000, 0xffffffff },
5196 { 0x3c18, 0, 0x00000000, 0xffffffff },
5197 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5198 { 0x3c20, 0, 0xffffff00, 0x00000000 },
5199
5200 { 0x5004, 0, 0x00000000, 0x0000007f },
5201 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
5202
5203 { 0x5c00, 0, 0x00000000, 0x00000001 },
5204 { 0x5c04, 0, 0x00000000, 0x0003000f },
5205 { 0x5c08, 0, 0x00000003, 0x00000000 },
5206 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5207 { 0x5c10, 0, 0x00000000, 0xffffffff },
5208 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5209 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5210 { 0x5c88, 0, 0x00000000, 0x00077373 },
5211 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5212
5213 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5214 { 0x680c, 0, 0xffffffff, 0x00000000 },
5215 { 0x6810, 0, 0xffffffff, 0x00000000 },
5216 { 0x6814, 0, 0xffffffff, 0x00000000 },
5217 { 0x6818, 0, 0xffffffff, 0x00000000 },
5218 { 0x681c, 0, 0xffffffff, 0x00000000 },
5219 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5220 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5221 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5222 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5223 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5224 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5225 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5226 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5227 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5228 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5229 { 0x684c, 0, 0xffffffff, 0x00000000 },
5230 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5231 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5232 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5233 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5234 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5235 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5236
5237 { 0xffff, 0, 0x00000000, 0x00000000 },
5238 };
5239
5240 ret = 0;
5241 is_5709 = 0;
5242 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5243 is_5709 = 1;
5244
5245 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5246 u32 offset, rw_mask, ro_mask, save_val, val;
5247 u16 flags = reg_tbl[i].flags;
5248
5249 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5250 continue;
5251
5252 offset = (u32) reg_tbl[i].offset;
5253 rw_mask = reg_tbl[i].rw_mask;
5254 ro_mask = reg_tbl[i].ro_mask;
5255
5256 save_val = readl(bp->regview + offset);
5257
5258 writel(0, bp->regview + offset);
5259
5260 val = readl(bp->regview + offset);
5261 if ((val & rw_mask) != 0) {
5262 goto reg_test_err;
5263 }
5264
5265 if ((val & ro_mask) != (save_val & ro_mask)) {
5266 goto reg_test_err;
5267 }
5268
5269 writel(0xffffffff, bp->regview + offset);
5270
5271 val = readl(bp->regview + offset);
5272 if ((val & rw_mask) != rw_mask) {
5273 goto reg_test_err;
5274 }
5275
5276 if ((val & ro_mask) != (save_val & ro_mask)) {
5277 goto reg_test_err;
5278 }
5279
5280 writel(save_val, bp->regview + offset);
5281 continue;
5282
5283 reg_test_err:
5284 writel(save_val, bp->regview + offset);
5285 ret = -ENODEV;
5286 break;
5287 }
5288 return ret;
5289 }
5290
5291 static int
5292 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5293 {
5294 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5295 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5296 int i;
5297
5298 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5299 u32 offset;
5300
5301 for (offset = 0; offset < size; offset += 4) {
5302
5303 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5304
5305 if (bnx2_reg_rd_ind(bp, start + offset) !=
5306 test_pattern[i]) {
5307 return -ENODEV;
5308 }
5309 }
5310 }
5311 return 0;
5312 }
5313
5314 static int
5315 bnx2_test_memory(struct bnx2 *bp)
5316 {
5317 int ret = 0;
5318 int i;
5319 static struct mem_entry {
5320 u32 offset;
5321 u32 len;
5322 } mem_tbl_5706[] = {
5323 { 0x60000, 0x4000 },
5324 { 0xa0000, 0x3000 },
5325 { 0xe0000, 0x4000 },
5326 { 0x120000, 0x4000 },
5327 { 0x1a0000, 0x4000 },
5328 { 0x160000, 0x4000 },
5329 { 0xffffffff, 0 },
5330 },
5331 mem_tbl_5709[] = {
5332 { 0x60000, 0x4000 },
5333 { 0xa0000, 0x3000 },
5334 { 0xe0000, 0x4000 },
5335 { 0x120000, 0x4000 },
5336 { 0x1a0000, 0x4000 },
5337 { 0xffffffff, 0 },
5338 };
5339 struct mem_entry *mem_tbl;
5340
5341 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5342 mem_tbl = mem_tbl_5709;
5343 else
5344 mem_tbl = mem_tbl_5706;
5345
5346 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5347 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5348 mem_tbl[i].len)) != 0) {
5349 return ret;
5350 }
5351 }
5352
5353 return ret;
5354 }
5355
5356 #define BNX2_MAC_LOOPBACK 0
5357 #define BNX2_PHY_LOOPBACK 1
5358
5359 static int
5360 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5361 {
5362 unsigned int pkt_size, num_pkts, i;
5363 struct sk_buff *skb, *rx_skb;
5364 unsigned char *packet;
5365 u16 rx_start_idx, rx_idx;
5366 dma_addr_t map;
5367 struct tx_bd *txbd;
5368 struct sw_bd *rx_buf;
5369 struct l2_fhdr *rx_hdr;
5370 int ret = -ENODEV;
5371 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5372 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5373 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5374
5375 tx_napi = bnapi;
5376
5377 txr = &tx_napi->tx_ring;
5378 rxr = &bnapi->rx_ring;
5379 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5380 bp->loopback = MAC_LOOPBACK;
5381 bnx2_set_mac_loopback(bp);
5382 }
5383 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5384 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5385 return 0;
5386
5387 bp->loopback = PHY_LOOPBACK;
5388 bnx2_set_phy_loopback(bp);
5389 }
5390 else
5391 return -EINVAL;
5392
5393 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5394 skb = netdev_alloc_skb(bp->dev, pkt_size);
5395 if (!skb)
5396 return -ENOMEM;
5397 packet = skb_put(skb, pkt_size);
5398 memcpy(packet, bp->dev->dev_addr, 6);
5399 memset(packet + 6, 0x0, 8);
5400 for (i = 14; i < pkt_size; i++)
5401 packet[i] = (unsigned char) (i & 0xff);
5402
5403 if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) {
5404 dev_kfree_skb(skb);
5405 return -EIO;
5406 }
5407 map = skb_shinfo(skb)->dma_maps[0];
5408
5409 REG_WR(bp, BNX2_HC_COMMAND,
5410 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5411
5412 REG_RD(bp, BNX2_HC_COMMAND);
5413
5414 udelay(5);
5415 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5416
5417 num_pkts = 0;
5418
5419 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
5420
5421 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5422 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5423 txbd->tx_bd_mss_nbytes = pkt_size;
5424 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5425
5426 num_pkts++;
5427 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5428 txr->tx_prod_bseq += pkt_size;
5429
5430 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5431 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
5432
5433 udelay(100);
5434
5435 REG_WR(bp, BNX2_HC_COMMAND,
5436 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5437
5438 REG_RD(bp, BNX2_HC_COMMAND);
5439
5440 udelay(5);
5441
5442 skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
5443 dev_kfree_skb(skb);
5444
5445 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
5446 goto loopback_test_done;
5447
5448 rx_idx = bnx2_get_hw_rx_cons(bnapi);
5449 if (rx_idx != rx_start_idx + num_pkts) {
5450 goto loopback_test_done;
5451 }
5452
5453 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
5454 rx_skb = rx_buf->skb;
5455
5456 rx_hdr = (struct l2_fhdr *) rx_skb->data;
5457 skb_reserve(rx_skb, BNX2_RX_OFFSET);
5458
5459 pci_dma_sync_single_for_cpu(bp->pdev,
5460 pci_unmap_addr(rx_buf, mapping),
5461 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5462
5463 if (rx_hdr->l2_fhdr_status &
5464 (L2_FHDR_ERRORS_BAD_CRC |
5465 L2_FHDR_ERRORS_PHY_DECODE |
5466 L2_FHDR_ERRORS_ALIGNMENT |
5467 L2_FHDR_ERRORS_TOO_SHORT |
5468 L2_FHDR_ERRORS_GIANT_FRAME)) {
5469
5470 goto loopback_test_done;
5471 }
5472
5473 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5474 goto loopback_test_done;
5475 }
5476
5477 for (i = 14; i < pkt_size; i++) {
5478 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5479 goto loopback_test_done;
5480 }
5481 }
5482
5483 ret = 0;
5484
5485 loopback_test_done:
5486 bp->loopback = 0;
5487 return ret;
5488 }
5489
5490 #define BNX2_MAC_LOOPBACK_FAILED 1
5491 #define BNX2_PHY_LOOPBACK_FAILED 2
5492 #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5493 BNX2_PHY_LOOPBACK_FAILED)
5494
5495 static int
5496 bnx2_test_loopback(struct bnx2 *bp)
5497 {
5498 int rc = 0;
5499
5500 if (!netif_running(bp->dev))
5501 return BNX2_LOOPBACK_FAILED;
5502
5503 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5504 spin_lock_bh(&bp->phy_lock);
5505 bnx2_init_phy(bp, 1);
5506 spin_unlock_bh(&bp->phy_lock);
5507 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5508 rc |= BNX2_MAC_LOOPBACK_FAILED;
5509 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5510 rc |= BNX2_PHY_LOOPBACK_FAILED;
5511 return rc;
5512 }
5513
5514 #define NVRAM_SIZE 0x200
5515 #define CRC32_RESIDUAL 0xdebb20e3
5516
5517 static int
5518 bnx2_test_nvram(struct bnx2 *bp)
5519 {
5520 __be32 buf[NVRAM_SIZE / 4];
5521 u8 *data = (u8 *) buf;
5522 int rc = 0;
5523 u32 magic, csum;
5524
5525 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5526 goto test_nvram_done;
5527
5528 magic = be32_to_cpu(buf[0]);
5529 if (magic != 0x669955aa) {
5530 rc = -ENODEV;
5531 goto test_nvram_done;
5532 }
5533
5534 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5535 goto test_nvram_done;
5536
5537 csum = ether_crc_le(0x100, data);
5538 if (csum != CRC32_RESIDUAL) {
5539 rc = -ENODEV;
5540 goto test_nvram_done;
5541 }
5542
5543 csum = ether_crc_le(0x100, data + 0x100);
5544 if (csum != CRC32_RESIDUAL) {
5545 rc = -ENODEV;
5546 }
5547
5548 test_nvram_done:
5549 return rc;
5550 }
5551
5552 static int
5553 bnx2_test_link(struct bnx2 *bp)
5554 {
5555 u32 bmsr;
5556
5557 if (!netif_running(bp->dev))
5558 return -ENODEV;
5559
5560 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5561 if (bp->link_up)
5562 return 0;
5563 return -ENODEV;
5564 }
5565 spin_lock_bh(&bp->phy_lock);
5566 bnx2_enable_bmsr1(bp);
5567 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5568 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5569 bnx2_disable_bmsr1(bp);
5570 spin_unlock_bh(&bp->phy_lock);
5571
5572 if (bmsr & BMSR_LSTATUS) {
5573 return 0;
5574 }
5575 return -ENODEV;
5576 }
5577
5578 static int
5579 bnx2_test_intr(struct bnx2 *bp)
5580 {
5581 int i;
5582 u16 status_idx;
5583
5584 if (!netif_running(bp->dev))
5585 return -ENODEV;
5586
5587 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5588
5589 /* This register is not touched during run-time. */
5590 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5591 REG_RD(bp, BNX2_HC_COMMAND);
5592
5593 for (i = 0; i < 10; i++) {
5594 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5595 status_idx) {
5596
5597 break;
5598 }
5599
5600 msleep_interruptible(10);
5601 }
5602 if (i < 10)
5603 return 0;
5604
5605 return -ENODEV;
5606 }
5607
5608 /* Determining link for parallel detection. */
5609 static int
5610 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5611 {
5612 u32 mode_ctl, an_dbg, exp;
5613
5614 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5615 return 0;
5616
5617 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5618 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5619
5620 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5621 return 0;
5622
5623 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5624 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5625 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5626
5627 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5628 return 0;
5629
5630 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5631 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5632 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5633
5634 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5635 return 0;
5636
5637 return 1;
5638 }
5639
5640 static void
5641 bnx2_5706_serdes_timer(struct bnx2 *bp)
5642 {
5643 int check_link = 1;
5644
5645 spin_lock(&bp->phy_lock);
5646 if (bp->serdes_an_pending) {
5647 bp->serdes_an_pending--;
5648 check_link = 0;
5649 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5650 u32 bmcr;
5651
5652 bp->current_interval = BNX2_TIMER_INTERVAL;
5653
5654 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5655
5656 if (bmcr & BMCR_ANENABLE) {
5657 if (bnx2_5706_serdes_has_link(bp)) {
5658 bmcr &= ~BMCR_ANENABLE;
5659 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5660 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5661 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5662 }
5663 }
5664 }
5665 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5666 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5667 u32 phy2;
5668
5669 bnx2_write_phy(bp, 0x17, 0x0f01);
5670 bnx2_read_phy(bp, 0x15, &phy2);
5671 if (phy2 & 0x20) {
5672 u32 bmcr;
5673
5674 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5675 bmcr |= BMCR_ANENABLE;
5676 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5677
5678 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5679 }
5680 } else
5681 bp->current_interval = BNX2_TIMER_INTERVAL;
5682
5683 if (check_link) {
5684 u32 val;
5685
5686 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5687 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5688 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5689
5690 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5691 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5692 bnx2_5706s_force_link_dn(bp, 1);
5693 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5694 } else
5695 bnx2_set_link(bp);
5696 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5697 bnx2_set_link(bp);
5698 }
5699 spin_unlock(&bp->phy_lock);
5700 }
5701
5702 static void
5703 bnx2_5708_serdes_timer(struct bnx2 *bp)
5704 {
5705 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5706 return;
5707
5708 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5709 bp->serdes_an_pending = 0;
5710 return;
5711 }
5712
5713 spin_lock(&bp->phy_lock);
5714 if (bp->serdes_an_pending)
5715 bp->serdes_an_pending--;
5716 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5717 u32 bmcr;
5718
5719 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5720 if (bmcr & BMCR_ANENABLE) {
5721 bnx2_enable_forced_2g5(bp);
5722 bp->current_interval = SERDES_FORCED_TIMEOUT;
5723 } else {
5724 bnx2_disable_forced_2g5(bp);
5725 bp->serdes_an_pending = 2;
5726 bp->current_interval = BNX2_TIMER_INTERVAL;
5727 }
5728
5729 } else
5730 bp->current_interval = BNX2_TIMER_INTERVAL;
5731
5732 spin_unlock(&bp->phy_lock);
5733 }
5734
5735 static void
5736 bnx2_timer(unsigned long data)
5737 {
5738 struct bnx2 *bp = (struct bnx2 *) data;
5739
5740 if (!netif_running(bp->dev))
5741 return;
5742
5743 if (atomic_read(&bp->intr_sem) != 0)
5744 goto bnx2_restart_timer;
5745
5746 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
5747 BNX2_FLAG_USING_MSI)
5748 bnx2_chk_missed_msi(bp);
5749
5750 bnx2_send_heart_beat(bp);
5751
5752 bp->stats_blk->stat_FwRxDrop =
5753 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5754
5755 /* workaround occasional corrupted counters */
5756 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5757 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5758 BNX2_HC_COMMAND_STATS_NOW);
5759
5760 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5761 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5762 bnx2_5706_serdes_timer(bp);
5763 else
5764 bnx2_5708_serdes_timer(bp);
5765 }
5766
5767 bnx2_restart_timer:
5768 mod_timer(&bp->timer, jiffies + bp->current_interval);
5769 }
5770
5771 static int
5772 bnx2_request_irq(struct bnx2 *bp)
5773 {
5774 unsigned long flags;
5775 struct bnx2_irq *irq;
5776 int rc = 0, i;
5777
5778 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5779 flags = 0;
5780 else
5781 flags = IRQF_SHARED;
5782
5783 for (i = 0; i < bp->irq_nvecs; i++) {
5784 irq = &bp->irq_tbl[i];
5785 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5786 &bp->bnx2_napi[i]);
5787 if (rc)
5788 break;
5789 irq->requested = 1;
5790 }
5791 return rc;
5792 }
5793
5794 static void
5795 bnx2_free_irq(struct bnx2 *bp)
5796 {
5797 struct bnx2_irq *irq;
5798 int i;
5799
5800 for (i = 0; i < bp->irq_nvecs; i++) {
5801 irq = &bp->irq_tbl[i];
5802 if (irq->requested)
5803 free_irq(irq->vector, &bp->bnx2_napi[i]);
5804 irq->requested = 0;
5805 }
5806 if (bp->flags & BNX2_FLAG_USING_MSI)
5807 pci_disable_msi(bp->pdev);
5808 else if (bp->flags & BNX2_FLAG_USING_MSIX)
5809 pci_disable_msix(bp->pdev);
5810
5811 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5812 }
5813
5814 static void
5815 bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
5816 {
5817 int i, rc;
5818 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5819
5820 bnx2_setup_msix_tbl(bp);
5821 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5822 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5823 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5824
5825 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5826 msix_ent[i].entry = i;
5827 msix_ent[i].vector = 0;
5828
5829 strcpy(bp->irq_tbl[i].name, bp->dev->name);
5830 bp->irq_tbl[i].handler = bnx2_msi_1shot;
5831 }
5832
5833 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5834 if (rc != 0)
5835 return;
5836
5837 bp->irq_nvecs = msix_vecs;
5838 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5839 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5840 bp->irq_tbl[i].vector = msix_ent[i].vector;
5841 }
5842
5843 static void
5844 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5845 {
5846 int cpus = num_online_cpus();
5847 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
5848
5849 bp->irq_tbl[0].handler = bnx2_interrupt;
5850 strcpy(bp->irq_tbl[0].name, bp->dev->name);
5851 bp->irq_nvecs = 1;
5852 bp->irq_tbl[0].vector = bp->pdev->irq;
5853
5854 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
5855 bnx2_enable_msix(bp, msix_vecs);
5856
5857 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5858 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5859 if (pci_enable_msi(bp->pdev) == 0) {
5860 bp->flags |= BNX2_FLAG_USING_MSI;
5861 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5862 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5863 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5864 } else
5865 bp->irq_tbl[0].handler = bnx2_msi;
5866
5867 bp->irq_tbl[0].vector = bp->pdev->irq;
5868 }
5869 }
5870
5871 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
5872 bp->dev->real_num_tx_queues = bp->num_tx_rings;
5873
5874 bp->num_rx_rings = bp->irq_nvecs;
5875 }
5876
5877 /* Called with rtnl_lock */
5878 static int
5879 bnx2_open(struct net_device *dev)
5880 {
5881 struct bnx2 *bp = netdev_priv(dev);
5882 int rc;
5883
5884 netif_carrier_off(dev);
5885
5886 bnx2_set_power_state(bp, PCI_D0);
5887 bnx2_disable_int(bp);
5888
5889 bnx2_setup_int_mode(bp, disable_msi);
5890 bnx2_napi_enable(bp);
5891 rc = bnx2_alloc_mem(bp);
5892 if (rc)
5893 goto open_err;
5894
5895 rc = bnx2_request_irq(bp);
5896 if (rc)
5897 goto open_err;
5898
5899 rc = bnx2_init_nic(bp, 1);
5900 if (rc)
5901 goto open_err;
5902
5903 mod_timer(&bp->timer, jiffies + bp->current_interval);
5904
5905 atomic_set(&bp->intr_sem, 0);
5906
5907 bnx2_enable_int(bp);
5908
5909 if (bp->flags & BNX2_FLAG_USING_MSI) {
5910 /* Test MSI to make sure it is working
5911 * If MSI test fails, go back to INTx mode
5912 */
5913 if (bnx2_test_intr(bp) != 0) {
5914 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5915 " using MSI, switching to INTx mode. Please"
5916 " report this failure to the PCI maintainer"
5917 " and include system chipset information.\n",
5918 bp->dev->name);
5919
5920 bnx2_disable_int(bp);
5921 bnx2_free_irq(bp);
5922
5923 bnx2_setup_int_mode(bp, 1);
5924
5925 rc = bnx2_init_nic(bp, 0);
5926
5927 if (!rc)
5928 rc = bnx2_request_irq(bp);
5929
5930 if (rc) {
5931 del_timer_sync(&bp->timer);
5932 goto open_err;
5933 }
5934 bnx2_enable_int(bp);
5935 }
5936 }
5937 if (bp->flags & BNX2_FLAG_USING_MSI)
5938 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5939 else if (bp->flags & BNX2_FLAG_USING_MSIX)
5940 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5941
5942 netif_tx_start_all_queues(dev);
5943
5944 return 0;
5945
5946 open_err:
5947 bnx2_napi_disable(bp);
5948 bnx2_free_skbs(bp);
5949 bnx2_free_irq(bp);
5950 bnx2_free_mem(bp);
5951 return rc;
5952 }
5953
5954 static void
5955 bnx2_reset_task(struct work_struct *work)
5956 {
5957 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5958
5959 if (!netif_running(bp->dev))
5960 return;
5961
5962 bnx2_netif_stop(bp);
5963
5964 bnx2_init_nic(bp, 1);
5965
5966 atomic_set(&bp->intr_sem, 1);
5967 bnx2_netif_start(bp);
5968 }
5969
5970 static void
5971 bnx2_tx_timeout(struct net_device *dev)
5972 {
5973 struct bnx2 *bp = netdev_priv(dev);
5974
5975 /* This allows the netif to be shutdown gracefully before resetting */
5976 schedule_work(&bp->reset_task);
5977 }
5978
5979 #ifdef BCM_VLAN
5980 /* Called with rtnl_lock */
5981 static void
5982 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5983 {
5984 struct bnx2 *bp = netdev_priv(dev);
5985
5986 bnx2_netif_stop(bp);
5987
5988 bp->vlgrp = vlgrp;
5989 bnx2_set_rx_mode(dev);
5990 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
5991 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
5992
5993 bnx2_netif_start(bp);
5994 }
5995 #endif
5996
5997 /* Called with netif_tx_lock.
5998 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5999 * netif_wake_queue().
6000 */
6001 static int
6002 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6003 {
6004 struct bnx2 *bp = netdev_priv(dev);
6005 dma_addr_t mapping;
6006 struct tx_bd *txbd;
6007 struct sw_tx_bd *tx_buf;
6008 u32 len, vlan_tag_flags, last_frag, mss;
6009 u16 prod, ring_prod;
6010 int i;
6011 struct bnx2_napi *bnapi;
6012 struct bnx2_tx_ring_info *txr;
6013 struct netdev_queue *txq;
6014 struct skb_shared_info *sp;
6015
6016 /* Determine which tx ring we will be placed on */
6017 i = skb_get_queue_mapping(skb);
6018 bnapi = &bp->bnx2_napi[i];
6019 txr = &bnapi->tx_ring;
6020 txq = netdev_get_tx_queue(dev, i);
6021
6022 if (unlikely(bnx2_tx_avail(bp, txr) <
6023 (skb_shinfo(skb)->nr_frags + 1))) {
6024 netif_tx_stop_queue(txq);
6025 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
6026 dev->name);
6027
6028 return NETDEV_TX_BUSY;
6029 }
6030 len = skb_headlen(skb);
6031 prod = txr->tx_prod;
6032 ring_prod = TX_RING_IDX(prod);
6033
6034 vlan_tag_flags = 0;
6035 if (skb->ip_summed == CHECKSUM_PARTIAL) {
6036 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6037 }
6038
6039 #ifdef BCM_VLAN
6040 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
6041 vlan_tag_flags |=
6042 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6043 }
6044 #endif
6045 if ((mss = skb_shinfo(skb)->gso_size)) {
6046 u32 tcp_opt_len;
6047 struct iphdr *iph;
6048
6049 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6050
6051 tcp_opt_len = tcp_optlen(skb);
6052
6053 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6054 u32 tcp_off = skb_transport_offset(skb) -
6055 sizeof(struct ipv6hdr) - ETH_HLEN;
6056
6057 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6058 TX_BD_FLAGS_SW_FLAGS;
6059 if (likely(tcp_off == 0))
6060 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6061 else {
6062 tcp_off >>= 3;
6063 vlan_tag_flags |= ((tcp_off & 0x3) <<
6064 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6065 ((tcp_off & 0x10) <<
6066 TX_BD_FLAGS_TCP6_OFF4_SHL);
6067 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6068 }
6069 } else {
6070 iph = ip_hdr(skb);
6071 if (tcp_opt_len || (iph->ihl > 5)) {
6072 vlan_tag_flags |= ((iph->ihl - 5) +
6073 (tcp_opt_len >> 2)) << 8;
6074 }
6075 }
6076 } else
6077 mss = 0;
6078
6079 if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) {
6080 dev_kfree_skb(skb);
6081 return NETDEV_TX_OK;
6082 }
6083
6084 sp = skb_shinfo(skb);
6085 mapping = sp->dma_maps[0];
6086
6087 tx_buf = &txr->tx_buf_ring[ring_prod];
6088 tx_buf->skb = skb;
6089
6090 txbd = &txr->tx_desc_ring[ring_prod];
6091
6092 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6093 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6094 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6095 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6096
6097 last_frag = skb_shinfo(skb)->nr_frags;
6098
6099 for (i = 0; i < last_frag; i++) {
6100 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6101
6102 prod = NEXT_TX_BD(prod);
6103 ring_prod = TX_RING_IDX(prod);
6104 txbd = &txr->tx_desc_ring[ring_prod];
6105
6106 len = frag->size;
6107 mapping = sp->dma_maps[i + 1];
6108
6109 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6110 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6111 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6112 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6113
6114 }
6115 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6116
6117 prod = NEXT_TX_BD(prod);
6118 txr->tx_prod_bseq += skb->len;
6119
6120 REG_WR16(bp, txr->tx_bidx_addr, prod);
6121 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
6122
6123 mmiowb();
6124
6125 txr->tx_prod = prod;
6126 dev->trans_start = jiffies;
6127
6128 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
6129 netif_tx_stop_queue(txq);
6130 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
6131 netif_tx_wake_queue(txq);
6132 }
6133
6134 return NETDEV_TX_OK;
6135 }
6136
6137 /* Called with rtnl_lock */
6138 static int
6139 bnx2_close(struct net_device *dev)
6140 {
6141 struct bnx2 *bp = netdev_priv(dev);
6142
6143 cancel_work_sync(&bp->reset_task);
6144
6145 bnx2_disable_int_sync(bp);
6146 bnx2_napi_disable(bp);
6147 del_timer_sync(&bp->timer);
6148 bnx2_shutdown_chip(bp);
6149 bnx2_free_irq(bp);
6150 bnx2_free_skbs(bp);
6151 bnx2_free_mem(bp);
6152 bp->link_up = 0;
6153 netif_carrier_off(bp->dev);
6154 bnx2_set_power_state(bp, PCI_D3hot);
6155 return 0;
6156 }
6157
6158 #define GET_NET_STATS64(ctr) \
6159 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6160 (unsigned long) (ctr##_lo)
6161
6162 #define GET_NET_STATS32(ctr) \
6163 (ctr##_lo)
6164
6165 #if (BITS_PER_LONG == 64)
6166 #define GET_NET_STATS GET_NET_STATS64
6167 #else
6168 #define GET_NET_STATS GET_NET_STATS32
6169 #endif
6170
6171 static struct net_device_stats *
6172 bnx2_get_stats(struct net_device *dev)
6173 {
6174 struct bnx2 *bp = netdev_priv(dev);
6175 struct statistics_block *stats_blk = bp->stats_blk;
6176 struct net_device_stats *net_stats = &bp->net_stats;
6177
6178 if (bp->stats_blk == NULL) {
6179 return net_stats;
6180 }
6181 net_stats->rx_packets =
6182 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6183 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6184 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6185
6186 net_stats->tx_packets =
6187 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6188 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6189 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6190
6191 net_stats->rx_bytes =
6192 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6193
6194 net_stats->tx_bytes =
6195 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6196
6197 net_stats->multicast =
6198 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6199
6200 net_stats->collisions =
6201 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6202
6203 net_stats->rx_length_errors =
6204 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6205 stats_blk->stat_EtherStatsOverrsizePkts);
6206
6207 net_stats->rx_over_errors =
6208 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
6209
6210 net_stats->rx_frame_errors =
6211 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6212
6213 net_stats->rx_crc_errors =
6214 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6215
6216 net_stats->rx_errors = net_stats->rx_length_errors +
6217 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6218 net_stats->rx_crc_errors;
6219
6220 net_stats->tx_aborted_errors =
6221 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6222 stats_blk->stat_Dot3StatsLateCollisions);
6223
6224 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6225 (CHIP_ID(bp) == CHIP_ID_5708_A0))
6226 net_stats->tx_carrier_errors = 0;
6227 else {
6228 net_stats->tx_carrier_errors =
6229 (unsigned long)
6230 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6231 }
6232
6233 net_stats->tx_errors =
6234 (unsigned long)
6235 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6236 +
6237 net_stats->tx_aborted_errors +
6238 net_stats->tx_carrier_errors;
6239
6240 net_stats->rx_missed_errors =
6241 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6242 stats_blk->stat_FwRxDrop);
6243
6244 return net_stats;
6245 }
6246
6247 /* All ethtool functions called with rtnl_lock */
6248
6249 static int
6250 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6251 {
6252 struct bnx2 *bp = netdev_priv(dev);
6253 int support_serdes = 0, support_copper = 0;
6254
6255 cmd->supported = SUPPORTED_Autoneg;
6256 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6257 support_serdes = 1;
6258 support_copper = 1;
6259 } else if (bp->phy_port == PORT_FIBRE)
6260 support_serdes = 1;
6261 else
6262 support_copper = 1;
6263
6264 if (support_serdes) {
6265 cmd->supported |= SUPPORTED_1000baseT_Full |
6266 SUPPORTED_FIBRE;
6267 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6268 cmd->supported |= SUPPORTED_2500baseX_Full;
6269
6270 }
6271 if (support_copper) {
6272 cmd->supported |= SUPPORTED_10baseT_Half |
6273 SUPPORTED_10baseT_Full |
6274 SUPPORTED_100baseT_Half |
6275 SUPPORTED_100baseT_Full |
6276 SUPPORTED_1000baseT_Full |
6277 SUPPORTED_TP;
6278
6279 }
6280
6281 spin_lock_bh(&bp->phy_lock);
6282 cmd->port = bp->phy_port;
6283 cmd->advertising = bp->advertising;
6284
6285 if (bp->autoneg & AUTONEG_SPEED) {
6286 cmd->autoneg = AUTONEG_ENABLE;
6287 }
6288 else {
6289 cmd->autoneg = AUTONEG_DISABLE;
6290 }
6291
6292 if (netif_carrier_ok(dev)) {
6293 cmd->speed = bp->line_speed;
6294 cmd->duplex = bp->duplex;
6295 }
6296 else {
6297 cmd->speed = -1;
6298 cmd->duplex = -1;
6299 }
6300 spin_unlock_bh(&bp->phy_lock);
6301
6302 cmd->transceiver = XCVR_INTERNAL;
6303 cmd->phy_address = bp->phy_addr;
6304
6305 return 0;
6306 }
6307
6308 static int
6309 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6310 {
6311 struct bnx2 *bp = netdev_priv(dev);
6312 u8 autoneg = bp->autoneg;
6313 u8 req_duplex = bp->req_duplex;
6314 u16 req_line_speed = bp->req_line_speed;
6315 u32 advertising = bp->advertising;
6316 int err = -EINVAL;
6317
6318 spin_lock_bh(&bp->phy_lock);
6319
6320 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6321 goto err_out_unlock;
6322
6323 if (cmd->port != bp->phy_port &&
6324 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6325 goto err_out_unlock;
6326
6327 /* If device is down, we can store the settings only if the user
6328 * is setting the currently active port.
6329 */
6330 if (!netif_running(dev) && cmd->port != bp->phy_port)
6331 goto err_out_unlock;
6332
6333 if (cmd->autoneg == AUTONEG_ENABLE) {
6334 autoneg |= AUTONEG_SPEED;
6335
6336 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6337
6338 /* allow advertising 1 speed */
6339 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6340 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6341 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6342 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6343
6344 if (cmd->port == PORT_FIBRE)
6345 goto err_out_unlock;
6346
6347 advertising = cmd->advertising;
6348
6349 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6350 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6351 (cmd->port == PORT_TP))
6352 goto err_out_unlock;
6353 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6354 advertising = cmd->advertising;
6355 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6356 goto err_out_unlock;
6357 else {
6358 if (cmd->port == PORT_FIBRE)
6359 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6360 else
6361 advertising = ETHTOOL_ALL_COPPER_SPEED;
6362 }
6363 advertising |= ADVERTISED_Autoneg;
6364 }
6365 else {
6366 if (cmd->port == PORT_FIBRE) {
6367 if ((cmd->speed != SPEED_1000 &&
6368 cmd->speed != SPEED_2500) ||
6369 (cmd->duplex != DUPLEX_FULL))
6370 goto err_out_unlock;
6371
6372 if (cmd->speed == SPEED_2500 &&
6373 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6374 goto err_out_unlock;
6375 }
6376 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6377 goto err_out_unlock;
6378
6379 autoneg &= ~AUTONEG_SPEED;
6380 req_line_speed = cmd->speed;
6381 req_duplex = cmd->duplex;
6382 advertising = 0;
6383 }
6384
6385 bp->autoneg = autoneg;
6386 bp->advertising = advertising;
6387 bp->req_line_speed = req_line_speed;
6388 bp->req_duplex = req_duplex;
6389
6390 err = 0;
6391 /* If device is down, the new settings will be picked up when it is
6392 * brought up.
6393 */
6394 if (netif_running(dev))
6395 err = bnx2_setup_phy(bp, cmd->port);
6396
6397 err_out_unlock:
6398 spin_unlock_bh(&bp->phy_lock);
6399
6400 return err;
6401 }
6402
6403 static void
6404 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6405 {
6406 struct bnx2 *bp = netdev_priv(dev);
6407
6408 strcpy(info->driver, DRV_MODULE_NAME);
6409 strcpy(info->version, DRV_MODULE_VERSION);
6410 strcpy(info->bus_info, pci_name(bp->pdev));
6411 strcpy(info->fw_version, bp->fw_version);
6412 }
6413
6414 #define BNX2_REGDUMP_LEN (32 * 1024)
6415
6416 static int
6417 bnx2_get_regs_len(struct net_device *dev)
6418 {
6419 return BNX2_REGDUMP_LEN;
6420 }
6421
6422 static void
6423 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6424 {
6425 u32 *p = _p, i, offset;
6426 u8 *orig_p = _p;
6427 struct bnx2 *bp = netdev_priv(dev);
6428 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6429 0x0800, 0x0880, 0x0c00, 0x0c10,
6430 0x0c30, 0x0d08, 0x1000, 0x101c,
6431 0x1040, 0x1048, 0x1080, 0x10a4,
6432 0x1400, 0x1490, 0x1498, 0x14f0,
6433 0x1500, 0x155c, 0x1580, 0x15dc,
6434 0x1600, 0x1658, 0x1680, 0x16d8,
6435 0x1800, 0x1820, 0x1840, 0x1854,
6436 0x1880, 0x1894, 0x1900, 0x1984,
6437 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6438 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6439 0x2000, 0x2030, 0x23c0, 0x2400,
6440 0x2800, 0x2820, 0x2830, 0x2850,
6441 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6442 0x3c00, 0x3c94, 0x4000, 0x4010,
6443 0x4080, 0x4090, 0x43c0, 0x4458,
6444 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6445 0x4fc0, 0x5010, 0x53c0, 0x5444,
6446 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6447 0x5fc0, 0x6000, 0x6400, 0x6428,
6448 0x6800, 0x6848, 0x684c, 0x6860,
6449 0x6888, 0x6910, 0x8000 };
6450
6451 regs->version = 0;
6452
6453 memset(p, 0, BNX2_REGDUMP_LEN);
6454
6455 if (!netif_running(bp->dev))
6456 return;
6457
6458 i = 0;
6459 offset = reg_boundaries[0];
6460 p += offset;
6461 while (offset < BNX2_REGDUMP_LEN) {
6462 *p++ = REG_RD(bp, offset);
6463 offset += 4;
6464 if (offset == reg_boundaries[i + 1]) {
6465 offset = reg_boundaries[i + 2];
6466 p = (u32 *) (orig_p + offset);
6467 i += 2;
6468 }
6469 }
6470 }
6471
6472 static void
6473 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6474 {
6475 struct bnx2 *bp = netdev_priv(dev);
6476
6477 if (bp->flags & BNX2_FLAG_NO_WOL) {
6478 wol->supported = 0;
6479 wol->wolopts = 0;
6480 }
6481 else {
6482 wol->supported = WAKE_MAGIC;
6483 if (bp->wol)
6484 wol->wolopts = WAKE_MAGIC;
6485 else
6486 wol->wolopts = 0;
6487 }
6488 memset(&wol->sopass, 0, sizeof(wol->sopass));
6489 }
6490
6491 static int
6492 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6493 {
6494 struct bnx2 *bp = netdev_priv(dev);
6495
6496 if (wol->wolopts & ~WAKE_MAGIC)
6497 return -EINVAL;
6498
6499 if (wol->wolopts & WAKE_MAGIC) {
6500 if (bp->flags & BNX2_FLAG_NO_WOL)
6501 return -EINVAL;
6502
6503 bp->wol = 1;
6504 }
6505 else {
6506 bp->wol = 0;
6507 }
6508 return 0;
6509 }
6510
6511 static int
6512 bnx2_nway_reset(struct net_device *dev)
6513 {
6514 struct bnx2 *bp = netdev_priv(dev);
6515 u32 bmcr;
6516
6517 if (!netif_running(dev))
6518 return -EAGAIN;
6519
6520 if (!(bp->autoneg & AUTONEG_SPEED)) {
6521 return -EINVAL;
6522 }
6523
6524 spin_lock_bh(&bp->phy_lock);
6525
6526 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6527 int rc;
6528
6529 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6530 spin_unlock_bh(&bp->phy_lock);
6531 return rc;
6532 }
6533
6534 /* Force a link down visible on the other side */
6535 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6536 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6537 spin_unlock_bh(&bp->phy_lock);
6538
6539 msleep(20);
6540
6541 spin_lock_bh(&bp->phy_lock);
6542
6543 bp->current_interval = SERDES_AN_TIMEOUT;
6544 bp->serdes_an_pending = 1;
6545 mod_timer(&bp->timer, jiffies + bp->current_interval);
6546 }
6547
6548 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6549 bmcr &= ~BMCR_LOOPBACK;
6550 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6551
6552 spin_unlock_bh(&bp->phy_lock);
6553
6554 return 0;
6555 }
6556
6557 static int
6558 bnx2_get_eeprom_len(struct net_device *dev)
6559 {
6560 struct bnx2 *bp = netdev_priv(dev);
6561
6562 if (bp->flash_info == NULL)
6563 return 0;
6564
6565 return (int) bp->flash_size;
6566 }
6567
6568 static int
6569 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6570 u8 *eebuf)
6571 {
6572 struct bnx2 *bp = netdev_priv(dev);
6573 int rc;
6574
6575 if (!netif_running(dev))
6576 return -EAGAIN;
6577
6578 /* parameters already validated in ethtool_get_eeprom */
6579
6580 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6581
6582 return rc;
6583 }
6584
6585 static int
6586 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6587 u8 *eebuf)
6588 {
6589 struct bnx2 *bp = netdev_priv(dev);
6590 int rc;
6591
6592 if (!netif_running(dev))
6593 return -EAGAIN;
6594
6595 /* parameters already validated in ethtool_set_eeprom */
6596
6597 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6598
6599 return rc;
6600 }
6601
6602 static int
6603 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6604 {
6605 struct bnx2 *bp = netdev_priv(dev);
6606
6607 memset(coal, 0, sizeof(struct ethtool_coalesce));
6608
6609 coal->rx_coalesce_usecs = bp->rx_ticks;
6610 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6611 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6612 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6613
6614 coal->tx_coalesce_usecs = bp->tx_ticks;
6615 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6616 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6617 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6618
6619 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6620
6621 return 0;
6622 }
6623
6624 static int
6625 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6626 {
6627 struct bnx2 *bp = netdev_priv(dev);
6628
6629 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6630 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6631
6632 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6633 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6634
6635 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6636 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6637
6638 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6639 if (bp->rx_quick_cons_trip_int > 0xff)
6640 bp->rx_quick_cons_trip_int = 0xff;
6641
6642 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6643 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6644
6645 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6646 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6647
6648 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6649 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6650
6651 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6652 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6653 0xff;
6654
6655 bp->stats_ticks = coal->stats_block_coalesce_usecs;
6656 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6657 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6658 bp->stats_ticks = USEC_PER_SEC;
6659 }
6660 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6661 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6662 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6663
6664 if (netif_running(bp->dev)) {
6665 bnx2_netif_stop(bp);
6666 bnx2_init_nic(bp, 0);
6667 bnx2_netif_start(bp);
6668 }
6669
6670 return 0;
6671 }
6672
6673 static void
6674 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6675 {
6676 struct bnx2 *bp = netdev_priv(dev);
6677
6678 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6679 ering->rx_mini_max_pending = 0;
6680 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6681
6682 ering->rx_pending = bp->rx_ring_size;
6683 ering->rx_mini_pending = 0;
6684 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6685
6686 ering->tx_max_pending = MAX_TX_DESC_CNT;
6687 ering->tx_pending = bp->tx_ring_size;
6688 }
6689
6690 static int
6691 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6692 {
6693 if (netif_running(bp->dev)) {
6694 bnx2_netif_stop(bp);
6695 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6696 bnx2_free_skbs(bp);
6697 bnx2_free_mem(bp);
6698 }
6699
6700 bnx2_set_rx_ring_size(bp, rx);
6701 bp->tx_ring_size = tx;
6702
6703 if (netif_running(bp->dev)) {
6704 int rc;
6705
6706 rc = bnx2_alloc_mem(bp);
6707 if (rc)
6708 return rc;
6709 bnx2_init_nic(bp, 0);
6710 bnx2_netif_start(bp);
6711 }
6712 return 0;
6713 }
6714
6715 static int
6716 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6717 {
6718 struct bnx2 *bp = netdev_priv(dev);
6719 int rc;
6720
6721 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6722 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6723 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6724
6725 return -EINVAL;
6726 }
6727 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6728 return rc;
6729 }
6730
6731 static void
6732 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6733 {
6734 struct bnx2 *bp = netdev_priv(dev);
6735
6736 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6737 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6738 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6739 }
6740
6741 static int
6742 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6743 {
6744 struct bnx2 *bp = netdev_priv(dev);
6745
6746 bp->req_flow_ctrl = 0;
6747 if (epause->rx_pause)
6748 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6749 if (epause->tx_pause)
6750 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6751
6752 if (epause->autoneg) {
6753 bp->autoneg |= AUTONEG_FLOW_CTRL;
6754 }
6755 else {
6756 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6757 }
6758
6759 if (netif_running(dev)) {
6760 spin_lock_bh(&bp->phy_lock);
6761 bnx2_setup_phy(bp, bp->phy_port);
6762 spin_unlock_bh(&bp->phy_lock);
6763 }
6764
6765 return 0;
6766 }
6767
6768 static u32
6769 bnx2_get_rx_csum(struct net_device *dev)
6770 {
6771 struct bnx2 *bp = netdev_priv(dev);
6772
6773 return bp->rx_csum;
6774 }
6775
6776 static int
6777 bnx2_set_rx_csum(struct net_device *dev, u32 data)
6778 {
6779 struct bnx2 *bp = netdev_priv(dev);
6780
6781 bp->rx_csum = data;
6782 return 0;
6783 }
6784
6785 static int
6786 bnx2_set_tso(struct net_device *dev, u32 data)
6787 {
6788 struct bnx2 *bp = netdev_priv(dev);
6789
6790 if (data) {
6791 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6792 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6793 dev->features |= NETIF_F_TSO6;
6794 } else
6795 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6796 NETIF_F_TSO_ECN);
6797 return 0;
6798 }
6799
6800 #define BNX2_NUM_STATS 46
6801
6802 static struct {
6803 char string[ETH_GSTRING_LEN];
6804 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6805 { "rx_bytes" },
6806 { "rx_error_bytes" },
6807 { "tx_bytes" },
6808 { "tx_error_bytes" },
6809 { "rx_ucast_packets" },
6810 { "rx_mcast_packets" },
6811 { "rx_bcast_packets" },
6812 { "tx_ucast_packets" },
6813 { "tx_mcast_packets" },
6814 { "tx_bcast_packets" },
6815 { "tx_mac_errors" },
6816 { "tx_carrier_errors" },
6817 { "rx_crc_errors" },
6818 { "rx_align_errors" },
6819 { "tx_single_collisions" },
6820 { "tx_multi_collisions" },
6821 { "tx_deferred" },
6822 { "tx_excess_collisions" },
6823 { "tx_late_collisions" },
6824 { "tx_total_collisions" },
6825 { "rx_fragments" },
6826 { "rx_jabbers" },
6827 { "rx_undersize_packets" },
6828 { "rx_oversize_packets" },
6829 { "rx_64_byte_packets" },
6830 { "rx_65_to_127_byte_packets" },
6831 { "rx_128_to_255_byte_packets" },
6832 { "rx_256_to_511_byte_packets" },
6833 { "rx_512_to_1023_byte_packets" },
6834 { "rx_1024_to_1522_byte_packets" },
6835 { "rx_1523_to_9022_byte_packets" },
6836 { "tx_64_byte_packets" },
6837 { "tx_65_to_127_byte_packets" },
6838 { "tx_128_to_255_byte_packets" },
6839 { "tx_256_to_511_byte_packets" },
6840 { "tx_512_to_1023_byte_packets" },
6841 { "tx_1024_to_1522_byte_packets" },
6842 { "tx_1523_to_9022_byte_packets" },
6843 { "rx_xon_frames" },
6844 { "rx_xoff_frames" },
6845 { "tx_xon_frames" },
6846 { "tx_xoff_frames" },
6847 { "rx_mac_ctrl_frames" },
6848 { "rx_filtered_packets" },
6849 { "rx_discards" },
6850 { "rx_fw_discards" },
6851 };
6852
6853 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6854
6855 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6856 STATS_OFFSET32(stat_IfHCInOctets_hi),
6857 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6858 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6859 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6860 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6861 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6862 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6863 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6864 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6865 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6866 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6867 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6868 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6869 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6870 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6871 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6872 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6873 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6874 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6875 STATS_OFFSET32(stat_EtherStatsCollisions),
6876 STATS_OFFSET32(stat_EtherStatsFragments),
6877 STATS_OFFSET32(stat_EtherStatsJabbers),
6878 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6879 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6880 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6881 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6882 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6883 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6884 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6885 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6886 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6887 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6888 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6889 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6890 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6891 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6892 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6893 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6894 STATS_OFFSET32(stat_XonPauseFramesReceived),
6895 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6896 STATS_OFFSET32(stat_OutXonSent),
6897 STATS_OFFSET32(stat_OutXoffSent),
6898 STATS_OFFSET32(stat_MacControlFramesReceived),
6899 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6900 STATS_OFFSET32(stat_IfInMBUFDiscards),
6901 STATS_OFFSET32(stat_FwRxDrop),
6902 };
6903
6904 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6905 * skipped because of errata.
6906 */
6907 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6908 8,0,8,8,8,8,8,8,8,8,
6909 4,0,4,4,4,4,4,4,4,4,
6910 4,4,4,4,4,4,4,4,4,4,
6911 4,4,4,4,4,4,4,4,4,4,
6912 4,4,4,4,4,4,
6913 };
6914
6915 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6916 8,0,8,8,8,8,8,8,8,8,
6917 4,4,4,4,4,4,4,4,4,4,
6918 4,4,4,4,4,4,4,4,4,4,
6919 4,4,4,4,4,4,4,4,4,4,
6920 4,4,4,4,4,4,
6921 };
6922
6923 #define BNX2_NUM_TESTS 6
6924
6925 static struct {
6926 char string[ETH_GSTRING_LEN];
6927 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6928 { "register_test (offline)" },
6929 { "memory_test (offline)" },
6930 { "loopback_test (offline)" },
6931 { "nvram_test (online)" },
6932 { "interrupt_test (online)" },
6933 { "link_test (online)" },
6934 };
6935
6936 static int
6937 bnx2_get_sset_count(struct net_device *dev, int sset)
6938 {
6939 switch (sset) {
6940 case ETH_SS_TEST:
6941 return BNX2_NUM_TESTS;
6942 case ETH_SS_STATS:
6943 return BNX2_NUM_STATS;
6944 default:
6945 return -EOPNOTSUPP;
6946 }
6947 }
6948
6949 static void
6950 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6951 {
6952 struct bnx2 *bp = netdev_priv(dev);
6953
6954 bnx2_set_power_state(bp, PCI_D0);
6955
6956 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6957 if (etest->flags & ETH_TEST_FL_OFFLINE) {
6958 int i;
6959
6960 bnx2_netif_stop(bp);
6961 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6962 bnx2_free_skbs(bp);
6963
6964 if (bnx2_test_registers(bp) != 0) {
6965 buf[0] = 1;
6966 etest->flags |= ETH_TEST_FL_FAILED;
6967 }
6968 if (bnx2_test_memory(bp) != 0) {
6969 buf[1] = 1;
6970 etest->flags |= ETH_TEST_FL_FAILED;
6971 }
6972 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6973 etest->flags |= ETH_TEST_FL_FAILED;
6974
6975 if (!netif_running(bp->dev))
6976 bnx2_shutdown_chip(bp);
6977 else {
6978 bnx2_init_nic(bp, 1);
6979 bnx2_netif_start(bp);
6980 }
6981
6982 /* wait for link up */
6983 for (i = 0; i < 7; i++) {
6984 if (bp->link_up)
6985 break;
6986 msleep_interruptible(1000);
6987 }
6988 }
6989
6990 if (bnx2_test_nvram(bp) != 0) {
6991 buf[3] = 1;
6992 etest->flags |= ETH_TEST_FL_FAILED;
6993 }
6994 if (bnx2_test_intr(bp) != 0) {
6995 buf[4] = 1;
6996 etest->flags |= ETH_TEST_FL_FAILED;
6997 }
6998
6999 if (bnx2_test_link(bp) != 0) {
7000 buf[5] = 1;
7001 etest->flags |= ETH_TEST_FL_FAILED;
7002
7003 }
7004 if (!netif_running(bp->dev))
7005 bnx2_set_power_state(bp, PCI_D3hot);
7006 }
7007
7008 static void
7009 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7010 {
7011 switch (stringset) {
7012 case ETH_SS_STATS:
7013 memcpy(buf, bnx2_stats_str_arr,
7014 sizeof(bnx2_stats_str_arr));
7015 break;
7016 case ETH_SS_TEST:
7017 memcpy(buf, bnx2_tests_str_arr,
7018 sizeof(bnx2_tests_str_arr));
7019 break;
7020 }
7021 }
7022
7023 static void
7024 bnx2_get_ethtool_stats(struct net_device *dev,
7025 struct ethtool_stats *stats, u64 *buf)
7026 {
7027 struct bnx2 *bp = netdev_priv(dev);
7028 int i;
7029 u32 *hw_stats = (u32 *) bp->stats_blk;
7030 u8 *stats_len_arr = NULL;
7031
7032 if (hw_stats == NULL) {
7033 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7034 return;
7035 }
7036
7037 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7038 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7039 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7040 (CHIP_ID(bp) == CHIP_ID_5708_A0))
7041 stats_len_arr = bnx2_5706_stats_len_arr;
7042 else
7043 stats_len_arr = bnx2_5708_stats_len_arr;
7044
7045 for (i = 0; i < BNX2_NUM_STATS; i++) {
7046 if (stats_len_arr[i] == 0) {
7047 /* skip this counter */
7048 buf[i] = 0;
7049 continue;
7050 }
7051 if (stats_len_arr[i] == 4) {
7052 /* 4-byte counter */
7053 buf[i] = (u64)
7054 *(hw_stats + bnx2_stats_offset_arr[i]);
7055 continue;
7056 }
7057 /* 8-byte counter */
7058 buf[i] = (((u64) *(hw_stats +
7059 bnx2_stats_offset_arr[i])) << 32) +
7060 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
7061 }
7062 }
7063
7064 static int
7065 bnx2_phys_id(struct net_device *dev, u32 data)
7066 {
7067 struct bnx2 *bp = netdev_priv(dev);
7068 int i;
7069 u32 save;
7070
7071 bnx2_set_power_state(bp, PCI_D0);
7072
7073 if (data == 0)
7074 data = 2;
7075
7076 save = REG_RD(bp, BNX2_MISC_CFG);
7077 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7078
7079 for (i = 0; i < (data * 2); i++) {
7080 if ((i % 2) == 0) {
7081 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7082 }
7083 else {
7084 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7085 BNX2_EMAC_LED_1000MB_OVERRIDE |
7086 BNX2_EMAC_LED_100MB_OVERRIDE |
7087 BNX2_EMAC_LED_10MB_OVERRIDE |
7088 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7089 BNX2_EMAC_LED_TRAFFIC);
7090 }
7091 msleep_interruptible(500);
7092 if (signal_pending(current))
7093 break;
7094 }
7095 REG_WR(bp, BNX2_EMAC_LED, 0);
7096 REG_WR(bp, BNX2_MISC_CFG, save);
7097
7098 if (!netif_running(dev))
7099 bnx2_set_power_state(bp, PCI_D3hot);
7100
7101 return 0;
7102 }
7103
7104 static int
7105 bnx2_set_tx_csum(struct net_device *dev, u32 data)
7106 {
7107 struct bnx2 *bp = netdev_priv(dev);
7108
7109 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7110 return (ethtool_op_set_tx_ipv6_csum(dev, data));
7111 else
7112 return (ethtool_op_set_tx_csum(dev, data));
7113 }
7114
7115 static const struct ethtool_ops bnx2_ethtool_ops = {
7116 .get_settings = bnx2_get_settings,
7117 .set_settings = bnx2_set_settings,
7118 .get_drvinfo = bnx2_get_drvinfo,
7119 .get_regs_len = bnx2_get_regs_len,
7120 .get_regs = bnx2_get_regs,
7121 .get_wol = bnx2_get_wol,
7122 .set_wol = bnx2_set_wol,
7123 .nway_reset = bnx2_nway_reset,
7124 .get_link = ethtool_op_get_link,
7125 .get_eeprom_len = bnx2_get_eeprom_len,
7126 .get_eeprom = bnx2_get_eeprom,
7127 .set_eeprom = bnx2_set_eeprom,
7128 .get_coalesce = bnx2_get_coalesce,
7129 .set_coalesce = bnx2_set_coalesce,
7130 .get_ringparam = bnx2_get_ringparam,
7131 .set_ringparam = bnx2_set_ringparam,
7132 .get_pauseparam = bnx2_get_pauseparam,
7133 .set_pauseparam = bnx2_set_pauseparam,
7134 .get_rx_csum = bnx2_get_rx_csum,
7135 .set_rx_csum = bnx2_set_rx_csum,
7136 .set_tx_csum = bnx2_set_tx_csum,
7137 .set_sg = ethtool_op_set_sg,
7138 .set_tso = bnx2_set_tso,
7139 .self_test = bnx2_self_test,
7140 .get_strings = bnx2_get_strings,
7141 .phys_id = bnx2_phys_id,
7142 .get_ethtool_stats = bnx2_get_ethtool_stats,
7143 .get_sset_count = bnx2_get_sset_count,
7144 };
7145
7146 /* Called with rtnl_lock */
7147 static int
7148 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7149 {
7150 struct mii_ioctl_data *data = if_mii(ifr);
7151 struct bnx2 *bp = netdev_priv(dev);
7152 int err;
7153
7154 switch(cmd) {
7155 case SIOCGMIIPHY:
7156 data->phy_id = bp->phy_addr;
7157
7158 /* fallthru */
7159 case SIOCGMIIREG: {
7160 u32 mii_regval;
7161
7162 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7163 return -EOPNOTSUPP;
7164
7165 if (!netif_running(dev))
7166 return -EAGAIN;
7167
7168 spin_lock_bh(&bp->phy_lock);
7169 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
7170 spin_unlock_bh(&bp->phy_lock);
7171
7172 data->val_out = mii_regval;
7173
7174 return err;
7175 }
7176
7177 case SIOCSMIIREG:
7178 if (!capable(CAP_NET_ADMIN))
7179 return -EPERM;
7180
7181 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7182 return -EOPNOTSUPP;
7183
7184 if (!netif_running(dev))
7185 return -EAGAIN;
7186
7187 spin_lock_bh(&bp->phy_lock);
7188 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
7189 spin_unlock_bh(&bp->phy_lock);
7190
7191 return err;
7192
7193 default:
7194 /* do nothing */
7195 break;
7196 }
7197 return -EOPNOTSUPP;
7198 }
7199
7200 /* Called with rtnl_lock */
7201 static int
7202 bnx2_change_mac_addr(struct net_device *dev, void *p)
7203 {
7204 struct sockaddr *addr = p;
7205 struct bnx2 *bp = netdev_priv(dev);
7206
7207 if (!is_valid_ether_addr(addr->sa_data))
7208 return -EINVAL;
7209
7210 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7211 if (netif_running(dev))
7212 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
7213
7214 return 0;
7215 }
7216
7217 /* Called with rtnl_lock */
7218 static int
7219 bnx2_change_mtu(struct net_device *dev, int new_mtu)
7220 {
7221 struct bnx2 *bp = netdev_priv(dev);
7222
7223 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7224 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7225 return -EINVAL;
7226
7227 dev->mtu = new_mtu;
7228 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
7229 }
7230
7231 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7232 static void
7233 poll_bnx2(struct net_device *dev)
7234 {
7235 struct bnx2 *bp = netdev_priv(dev);
7236 int i;
7237
7238 for (i = 0; i < bp->irq_nvecs; i++) {
7239 disable_irq(bp->irq_tbl[i].vector);
7240 bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]);
7241 enable_irq(bp->irq_tbl[i].vector);
7242 }
7243 }
7244 #endif
7245
7246 static void __devinit
7247 bnx2_get_5709_media(struct bnx2 *bp)
7248 {
7249 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7250 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7251 u32 strap;
7252
7253 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7254 return;
7255 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
7256 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7257 return;
7258 }
7259
7260 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7261 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7262 else
7263 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7264
7265 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7266 switch (strap) {
7267 case 0x4:
7268 case 0x5:
7269 case 0x6:
7270 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7271 return;
7272 }
7273 } else {
7274 switch (strap) {
7275 case 0x1:
7276 case 0x2:
7277 case 0x4:
7278 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7279 return;
7280 }
7281 }
7282 }
7283
7284 static void __devinit
7285 bnx2_get_pci_speed(struct bnx2 *bp)
7286 {
7287 u32 reg;
7288
7289 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7290 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7291 u32 clkreg;
7292
7293 bp->flags |= BNX2_FLAG_PCIX;
7294
7295 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7296
7297 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7298 switch (clkreg) {
7299 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7300 bp->bus_speed_mhz = 133;
7301 break;
7302
7303 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7304 bp->bus_speed_mhz = 100;
7305 break;
7306
7307 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7308 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7309 bp->bus_speed_mhz = 66;
7310 break;
7311
7312 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7313 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7314 bp->bus_speed_mhz = 50;
7315 break;
7316
7317 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7318 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7319 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7320 bp->bus_speed_mhz = 33;
7321 break;
7322 }
7323 }
7324 else {
7325 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7326 bp->bus_speed_mhz = 66;
7327 else
7328 bp->bus_speed_mhz = 33;
7329 }
7330
7331 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7332 bp->flags |= BNX2_FLAG_PCI_32BIT;
7333
7334 }
7335
7336 static int __devinit
7337 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7338 {
7339 struct bnx2 *bp;
7340 unsigned long mem_len;
7341 int rc, i, j;
7342 u32 reg;
7343 u64 dma_mask, persist_dma_mask;
7344
7345 SET_NETDEV_DEV(dev, &pdev->dev);
7346 bp = netdev_priv(dev);
7347
7348 bp->flags = 0;
7349 bp->phy_flags = 0;
7350
7351 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7352 rc = pci_enable_device(pdev);
7353 if (rc) {
7354 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7355 goto err_out;
7356 }
7357
7358 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7359 dev_err(&pdev->dev,
7360 "Cannot find PCI device base address, aborting.\n");
7361 rc = -ENODEV;
7362 goto err_out_disable;
7363 }
7364
7365 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7366 if (rc) {
7367 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7368 goto err_out_disable;
7369 }
7370
7371 pci_set_master(pdev);
7372 pci_save_state(pdev);
7373
7374 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7375 if (bp->pm_cap == 0) {
7376 dev_err(&pdev->dev,
7377 "Cannot find power management capability, aborting.\n");
7378 rc = -EIO;
7379 goto err_out_release;
7380 }
7381
7382 bp->dev = dev;
7383 bp->pdev = pdev;
7384
7385 spin_lock_init(&bp->phy_lock);
7386 spin_lock_init(&bp->indirect_lock);
7387 INIT_WORK(&bp->reset_task, bnx2_reset_task);
7388
7389 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7390 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS);
7391 dev->mem_end = dev->mem_start + mem_len;
7392 dev->irq = pdev->irq;
7393
7394 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7395
7396 if (!bp->regview) {
7397 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7398 rc = -ENOMEM;
7399 goto err_out_release;
7400 }
7401
7402 /* Configure byte swap and enable write to the reg_window registers.
7403 * Rely on CPU to do target byte swapping on big endian systems
7404 * The chip's target access swapping will not swap all accesses
7405 */
7406 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7407 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7408 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7409
7410 bnx2_set_power_state(bp, PCI_D0);
7411
7412 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7413
7414 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7415 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7416 dev_err(&pdev->dev,
7417 "Cannot find PCIE capability, aborting.\n");
7418 rc = -EIO;
7419 goto err_out_unmap;
7420 }
7421 bp->flags |= BNX2_FLAG_PCIE;
7422 if (CHIP_REV(bp) == CHIP_REV_Ax)
7423 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7424 } else {
7425 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7426 if (bp->pcix_cap == 0) {
7427 dev_err(&pdev->dev,
7428 "Cannot find PCIX capability, aborting.\n");
7429 rc = -EIO;
7430 goto err_out_unmap;
7431 }
7432 }
7433
7434 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7435 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7436 bp->flags |= BNX2_FLAG_MSIX_CAP;
7437 }
7438
7439 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7440 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7441 bp->flags |= BNX2_FLAG_MSI_CAP;
7442 }
7443
7444 /* 5708 cannot support DMA addresses > 40-bit. */
7445 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7446 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7447 else
7448 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7449
7450 /* Configure DMA attributes. */
7451 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7452 dev->features |= NETIF_F_HIGHDMA;
7453 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7454 if (rc) {
7455 dev_err(&pdev->dev,
7456 "pci_set_consistent_dma_mask failed, aborting.\n");
7457 goto err_out_unmap;
7458 }
7459 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7460 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7461 goto err_out_unmap;
7462 }
7463
7464 if (!(bp->flags & BNX2_FLAG_PCIE))
7465 bnx2_get_pci_speed(bp);
7466
7467 /* 5706A0 may falsely detect SERR and PERR. */
7468 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7469 reg = REG_RD(bp, PCI_COMMAND);
7470 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7471 REG_WR(bp, PCI_COMMAND, reg);
7472 }
7473 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7474 !(bp->flags & BNX2_FLAG_PCIX)) {
7475
7476 dev_err(&pdev->dev,
7477 "5706 A1 can only be used in a PCIX bus, aborting.\n");
7478 goto err_out_unmap;
7479 }
7480
7481 bnx2_init_nvram(bp);
7482
7483 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7484
7485 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7486 BNX2_SHM_HDR_SIGNATURE_SIG) {
7487 u32 off = PCI_FUNC(pdev->devfn) << 2;
7488
7489 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7490 } else
7491 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7492
7493 /* Get the permanent MAC address. First we need to make sure the
7494 * firmware is actually running.
7495 */
7496 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7497
7498 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7499 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7500 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7501 rc = -ENODEV;
7502 goto err_out_unmap;
7503 }
7504
7505 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7506 for (i = 0, j = 0; i < 3; i++) {
7507 u8 num, k, skip0;
7508
7509 num = (u8) (reg >> (24 - (i * 8)));
7510 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7511 if (num >= k || !skip0 || k == 1) {
7512 bp->fw_version[j++] = (num / k) + '0';
7513 skip0 = 0;
7514 }
7515 }
7516 if (i != 2)
7517 bp->fw_version[j++] = '.';
7518 }
7519 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7520 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7521 bp->wol = 1;
7522
7523 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7524 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7525
7526 for (i = 0; i < 30; i++) {
7527 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7528 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7529 break;
7530 msleep(10);
7531 }
7532 }
7533 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7534 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7535 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7536 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7537 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7538
7539 bp->fw_version[j++] = ' ';
7540 for (i = 0; i < 3; i++) {
7541 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7542 reg = swab32(reg);
7543 memcpy(&bp->fw_version[j], &reg, 4);
7544 j += 4;
7545 }
7546 }
7547
7548 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7549 bp->mac_addr[0] = (u8) (reg >> 8);
7550 bp->mac_addr[1] = (u8) reg;
7551
7552 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7553 bp->mac_addr[2] = (u8) (reg >> 24);
7554 bp->mac_addr[3] = (u8) (reg >> 16);
7555 bp->mac_addr[4] = (u8) (reg >> 8);
7556 bp->mac_addr[5] = (u8) reg;
7557
7558 bp->tx_ring_size = MAX_TX_DESC_CNT;
7559 bnx2_set_rx_ring_size(bp, 255);
7560
7561 bp->rx_csum = 1;
7562
7563 bp->tx_quick_cons_trip_int = 20;
7564 bp->tx_quick_cons_trip = 20;
7565 bp->tx_ticks_int = 80;
7566 bp->tx_ticks = 80;
7567
7568 bp->rx_quick_cons_trip_int = 6;
7569 bp->rx_quick_cons_trip = 6;
7570 bp->rx_ticks_int = 18;
7571 bp->rx_ticks = 18;
7572
7573 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7574
7575 bp->current_interval = BNX2_TIMER_INTERVAL;
7576
7577 bp->phy_addr = 1;
7578
7579 /* Disable WOL support if we are running on a SERDES chip. */
7580 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7581 bnx2_get_5709_media(bp);
7582 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7583 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7584
7585 bp->phy_port = PORT_TP;
7586 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7587 bp->phy_port = PORT_FIBRE;
7588 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7589 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7590 bp->flags |= BNX2_FLAG_NO_WOL;
7591 bp->wol = 0;
7592 }
7593 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7594 /* Don't do parallel detect on this board because of
7595 * some board problems. The link will not go down
7596 * if we do parallel detect.
7597 */
7598 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7599 pdev->subsystem_device == 0x310c)
7600 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7601 } else {
7602 bp->phy_addr = 2;
7603 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7604 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7605 }
7606 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7607 CHIP_NUM(bp) == CHIP_NUM_5708)
7608 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7609 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7610 (CHIP_REV(bp) == CHIP_REV_Ax ||
7611 CHIP_REV(bp) == CHIP_REV_Bx))
7612 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7613
7614 bnx2_init_fw_cap(bp);
7615
7616 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7617 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7618 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7619 bp->flags |= BNX2_FLAG_NO_WOL;
7620 bp->wol = 0;
7621 }
7622
7623 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7624 bp->tx_quick_cons_trip_int =
7625 bp->tx_quick_cons_trip;
7626 bp->tx_ticks_int = bp->tx_ticks;
7627 bp->rx_quick_cons_trip_int =
7628 bp->rx_quick_cons_trip;
7629 bp->rx_ticks_int = bp->rx_ticks;
7630 bp->comp_prod_trip_int = bp->comp_prod_trip;
7631 bp->com_ticks_int = bp->com_ticks;
7632 bp->cmd_ticks_int = bp->cmd_ticks;
7633 }
7634
7635 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7636 *
7637 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7638 * with byte enables disabled on the unused 32-bit word. This is legal
7639 * but causes problems on the AMD 8132 which will eventually stop
7640 * responding after a while.
7641 *
7642 * AMD believes this incompatibility is unique to the 5706, and
7643 * prefers to locally disable MSI rather than globally disabling it.
7644 */
7645 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7646 struct pci_dev *amd_8132 = NULL;
7647
7648 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7649 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7650 amd_8132))) {
7651
7652 if (amd_8132->revision >= 0x10 &&
7653 amd_8132->revision <= 0x13) {
7654 disable_msi = 1;
7655 pci_dev_put(amd_8132);
7656 break;
7657 }
7658 }
7659 }
7660
7661 bnx2_set_default_link(bp);
7662 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7663
7664 init_timer(&bp->timer);
7665 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
7666 bp->timer.data = (unsigned long) bp;
7667 bp->timer.function = bnx2_timer;
7668
7669 return 0;
7670
7671 err_out_unmap:
7672 if (bp->regview) {
7673 iounmap(bp->regview);
7674 bp->regview = NULL;
7675 }
7676
7677 err_out_release:
7678 pci_release_regions(pdev);
7679
7680 err_out_disable:
7681 pci_disable_device(pdev);
7682 pci_set_drvdata(pdev, NULL);
7683
7684 err_out:
7685 return rc;
7686 }
7687
7688 static char * __devinit
7689 bnx2_bus_string(struct bnx2 *bp, char *str)
7690 {
7691 char *s = str;
7692
7693 if (bp->flags & BNX2_FLAG_PCIE) {
7694 s += sprintf(s, "PCI Express");
7695 } else {
7696 s += sprintf(s, "PCI");
7697 if (bp->flags & BNX2_FLAG_PCIX)
7698 s += sprintf(s, "-X");
7699 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7700 s += sprintf(s, " 32-bit");
7701 else
7702 s += sprintf(s, " 64-bit");
7703 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7704 }
7705 return str;
7706 }
7707
7708 static void __devinit
7709 bnx2_init_napi(struct bnx2 *bp)
7710 {
7711 int i;
7712
7713 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7714 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
7715 int (*poll)(struct napi_struct *, int);
7716
7717 if (i == 0)
7718 poll = bnx2_poll;
7719 else
7720 poll = bnx2_poll_msix;
7721
7722 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
7723 bnapi->bp = bp;
7724 }
7725 }
7726
7727 static int __devinit
7728 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7729 {
7730 static int version_printed = 0;
7731 struct net_device *dev = NULL;
7732 struct bnx2 *bp;
7733 int rc;
7734 char str[40];
7735 DECLARE_MAC_BUF(mac);
7736
7737 if (version_printed++ == 0)
7738 printk(KERN_INFO "%s", version);
7739
7740 /* dev zeroed in init_etherdev */
7741 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
7742
7743 if (!dev)
7744 return -ENOMEM;
7745
7746 rc = bnx2_init_board(pdev, dev);
7747 if (rc < 0) {
7748 free_netdev(dev);
7749 return rc;
7750 }
7751
7752 dev->open = bnx2_open;
7753 dev->hard_start_xmit = bnx2_start_xmit;
7754 dev->stop = bnx2_close;
7755 dev->get_stats = bnx2_get_stats;
7756 dev->set_rx_mode = bnx2_set_rx_mode;
7757 dev->do_ioctl = bnx2_ioctl;
7758 dev->set_mac_address = bnx2_change_mac_addr;
7759 dev->change_mtu = bnx2_change_mtu;
7760 dev->tx_timeout = bnx2_tx_timeout;
7761 dev->watchdog_timeo = TX_TIMEOUT;
7762 #ifdef BCM_VLAN
7763 dev->vlan_rx_register = bnx2_vlan_rx_register;
7764 #endif
7765 dev->ethtool_ops = &bnx2_ethtool_ops;
7766
7767 bp = netdev_priv(dev);
7768 bnx2_init_napi(bp);
7769
7770 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7771 dev->poll_controller = poll_bnx2;
7772 #endif
7773
7774 pci_set_drvdata(pdev, dev);
7775
7776 memcpy(dev->dev_addr, bp->mac_addr, 6);
7777 memcpy(dev->perm_addr, bp->mac_addr, 6);
7778
7779 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7780 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7781 dev->features |= NETIF_F_IPV6_CSUM;
7782
7783 #ifdef BCM_VLAN
7784 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7785 #endif
7786 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7787 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7788 dev->features |= NETIF_F_TSO6;
7789
7790 if ((rc = register_netdev(dev))) {
7791 dev_err(&pdev->dev, "Cannot register net device\n");
7792 if (bp->regview)
7793 iounmap(bp->regview);
7794 pci_release_regions(pdev);
7795 pci_disable_device(pdev);
7796 pci_set_drvdata(pdev, NULL);
7797 free_netdev(dev);
7798 return rc;
7799 }
7800
7801 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7802 "IRQ %d, node addr %s\n",
7803 dev->name,
7804 board_info[ent->driver_data].name,
7805 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7806 ((CHIP_ID(bp) & 0x0ff0) >> 4),
7807 bnx2_bus_string(bp, str),
7808 dev->base_addr,
7809 bp->pdev->irq, print_mac(mac, dev->dev_addr));
7810
7811 return 0;
7812 }
7813
7814 static void __devexit
7815 bnx2_remove_one(struct pci_dev *pdev)
7816 {
7817 struct net_device *dev = pci_get_drvdata(pdev);
7818 struct bnx2 *bp = netdev_priv(dev);
7819
7820 flush_scheduled_work();
7821
7822 unregister_netdev(dev);
7823
7824 if (bp->regview)
7825 iounmap(bp->regview);
7826
7827 free_netdev(dev);
7828 pci_release_regions(pdev);
7829 pci_disable_device(pdev);
7830 pci_set_drvdata(pdev, NULL);
7831 }
7832
7833 static int
7834 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7835 {
7836 struct net_device *dev = pci_get_drvdata(pdev);
7837 struct bnx2 *bp = netdev_priv(dev);
7838
7839 /* PCI register 4 needs to be saved whether netif_running() or not.
7840 * MSI address and data need to be saved if using MSI and
7841 * netif_running().
7842 */
7843 pci_save_state(pdev);
7844 if (!netif_running(dev))
7845 return 0;
7846
7847 flush_scheduled_work();
7848 bnx2_netif_stop(bp);
7849 netif_device_detach(dev);
7850 del_timer_sync(&bp->timer);
7851 bnx2_shutdown_chip(bp);
7852 bnx2_free_skbs(bp);
7853 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7854 return 0;
7855 }
7856
7857 static int
7858 bnx2_resume(struct pci_dev *pdev)
7859 {
7860 struct net_device *dev = pci_get_drvdata(pdev);
7861 struct bnx2 *bp = netdev_priv(dev);
7862
7863 pci_restore_state(pdev);
7864 if (!netif_running(dev))
7865 return 0;
7866
7867 bnx2_set_power_state(bp, PCI_D0);
7868 netif_device_attach(dev);
7869 bnx2_init_nic(bp, 1);
7870 bnx2_netif_start(bp);
7871 return 0;
7872 }
7873
7874 /**
7875 * bnx2_io_error_detected - called when PCI error is detected
7876 * @pdev: Pointer to PCI device
7877 * @state: The current pci connection state
7878 *
7879 * This function is called after a PCI bus error affecting
7880 * this device has been detected.
7881 */
7882 static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
7883 pci_channel_state_t state)
7884 {
7885 struct net_device *dev = pci_get_drvdata(pdev);
7886 struct bnx2 *bp = netdev_priv(dev);
7887
7888 rtnl_lock();
7889 netif_device_detach(dev);
7890
7891 if (netif_running(dev)) {
7892 bnx2_netif_stop(bp);
7893 del_timer_sync(&bp->timer);
7894 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
7895 }
7896
7897 pci_disable_device(pdev);
7898 rtnl_unlock();
7899
7900 /* Request a slot slot reset. */
7901 return PCI_ERS_RESULT_NEED_RESET;
7902 }
7903
7904 /**
7905 * bnx2_io_slot_reset - called after the pci bus has been reset.
7906 * @pdev: Pointer to PCI device
7907 *
7908 * Restart the card from scratch, as if from a cold-boot.
7909 */
7910 static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
7911 {
7912 struct net_device *dev = pci_get_drvdata(pdev);
7913 struct bnx2 *bp = netdev_priv(dev);
7914
7915 rtnl_lock();
7916 if (pci_enable_device(pdev)) {
7917 dev_err(&pdev->dev,
7918 "Cannot re-enable PCI device after reset.\n");
7919 rtnl_unlock();
7920 return PCI_ERS_RESULT_DISCONNECT;
7921 }
7922 pci_set_master(pdev);
7923 pci_restore_state(pdev);
7924
7925 if (netif_running(dev)) {
7926 bnx2_set_power_state(bp, PCI_D0);
7927 bnx2_init_nic(bp, 1);
7928 }
7929
7930 rtnl_unlock();
7931 return PCI_ERS_RESULT_RECOVERED;
7932 }
7933
7934 /**
7935 * bnx2_io_resume - called when traffic can start flowing again.
7936 * @pdev: Pointer to PCI device
7937 *
7938 * This callback is called when the error recovery driver tells us that
7939 * its OK to resume normal operation.
7940 */
7941 static void bnx2_io_resume(struct pci_dev *pdev)
7942 {
7943 struct net_device *dev = pci_get_drvdata(pdev);
7944 struct bnx2 *bp = netdev_priv(dev);
7945
7946 rtnl_lock();
7947 if (netif_running(dev))
7948 bnx2_netif_start(bp);
7949
7950 netif_device_attach(dev);
7951 rtnl_unlock();
7952 }
7953
7954 static struct pci_error_handlers bnx2_err_handler = {
7955 .error_detected = bnx2_io_error_detected,
7956 .slot_reset = bnx2_io_slot_reset,
7957 .resume = bnx2_io_resume,
7958 };
7959
7960 static struct pci_driver bnx2_pci_driver = {
7961 .name = DRV_MODULE_NAME,
7962 .id_table = bnx2_pci_tbl,
7963 .probe = bnx2_init_one,
7964 .remove = __devexit_p(bnx2_remove_one),
7965 .suspend = bnx2_suspend,
7966 .resume = bnx2_resume,
7967 .err_handler = &bnx2_err_handler,
7968 };
7969
7970 static int __init bnx2_init(void)
7971 {
7972 return pci_register_driver(&bnx2_pci_driver);
7973 }
7974
7975 static void __exit bnx2_cleanup(void)
7976 {
7977 pci_unregister_driver(&bnx2_pci_driver);
7978 }
7979
7980 module_init(bnx2_init);
7981 module_exit(bnx2_cleanup);
7982
7983
7984
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree