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swapfile: swapon randomize if nonrot
[linux-2.6/mini2440.git] / drivers / net / bnx2.c
blobd4a3dac21dcfb83fdc7e6c2835705ac66433ec3c
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 "1.9.0"
61 #define DRV_MODULE_RELDATE "Dec 16, 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 BCM5716S,
93 } board_t;
94
95 /* indexed by board_t, above */
96 static struct {
97 char *name;
98 } board_info[] __devinitdata = {
99 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
100 { "HP NC370T Multifunction Gigabit Server Adapter" },
101 { "HP NC370i Multifunction Gigabit Server Adapter" },
102 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
103 { "HP NC370F Multifunction Gigabit Server Adapter" },
104 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
105 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
106 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
107 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
108 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
109 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
110 };
111
112 static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
113 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
114 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
115 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
116 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
117 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
119 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
121 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
122 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
123 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
124 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
125 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
126 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
127 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
128 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
129 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
131 { PCI_VENDOR_ID_BROADCOM, 0x163b,
132 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
133 { PCI_VENDOR_ID_BROADCOM, 0x163c,
134 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
135 { 0, }
136 };
137
138 static struct flash_spec flash_table[] =
139 {
140 #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
141 #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
142 /* Slow EEPROM */
143 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
144 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
145 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
146 "EEPROM - slow"},
147 /* Expansion entry 0001 */
148 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
149 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
150 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
151 "Entry 0001"},
152 /* Saifun SA25F010 (non-buffered flash) */
153 /* strap, cfg1, & write1 need updates */
154 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
155 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
156 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
157 "Non-buffered flash (128kB)"},
158 /* Saifun SA25F020 (non-buffered flash) */
159 /* strap, cfg1, & write1 need updates */
160 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
161 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
162 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
163 "Non-buffered flash (256kB)"},
164 /* Expansion entry 0100 */
165 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
166 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
167 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
168 "Entry 0100"},
169 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
170 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
171 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
172 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
173 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
174 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
175 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
176 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
177 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
178 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
179 /* Saifun SA25F005 (non-buffered flash) */
180 /* strap, cfg1, & write1 need updates */
181 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
182 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
183 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
184 "Non-buffered flash (64kB)"},
185 /* Fast EEPROM */
186 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
187 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
188 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
189 "EEPROM - fast"},
190 /* Expansion entry 1001 */
191 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
192 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
193 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
194 "Entry 1001"},
195 /* Expansion entry 1010 */
196 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
197 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
198 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
199 "Entry 1010"},
200 /* ATMEL AT45DB011B (buffered flash) */
201 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
202 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
203 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
204 "Buffered flash (128kB)"},
205 /* Expansion entry 1100 */
206 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
207 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
208 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
209 "Entry 1100"},
210 /* Expansion entry 1101 */
211 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
212 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
213 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
214 "Entry 1101"},
215 /* Ateml Expansion entry 1110 */
216 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
217 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
218 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
219 "Entry 1110 (Atmel)"},
220 /* ATMEL AT45DB021B (buffered flash) */
221 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
222 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
223 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
224 "Buffered flash (256kB)"},
225 };
226
227 static struct flash_spec flash_5709 = {
228 .flags = BNX2_NV_BUFFERED,
229 .page_bits = BCM5709_FLASH_PAGE_BITS,
230 .page_size = BCM5709_FLASH_PAGE_SIZE,
231 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
232 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
233 .name = "5709 Buffered flash (256kB)",
234 };
235
236 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
237
238 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
239 {
240 u32 diff;
241
242 smp_mb();
243
244 /* The ring uses 256 indices for 255 entries, one of them
245 * needs to be skipped.
246 */
247 diff = txr->tx_prod - txr->tx_cons;
248 if (unlikely(diff >= TX_DESC_CNT)) {
249 diff &= 0xffff;
250 if (diff == TX_DESC_CNT)
251 diff = MAX_TX_DESC_CNT;
252 }
253 return (bp->tx_ring_size - diff);
254 }
255
256 static u32
257 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
258 {
259 u32 val;
260
261 spin_lock_bh(&bp->indirect_lock);
262 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
263 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
264 spin_unlock_bh(&bp->indirect_lock);
265 return val;
266 }
267
268 static void
269 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
270 {
271 spin_lock_bh(&bp->indirect_lock);
272 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
273 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
274 spin_unlock_bh(&bp->indirect_lock);
275 }
276
277 static void
278 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
279 {
280 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
281 }
282
283 static u32
284 bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
285 {
286 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
287 }
288
289 static void
290 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
291 {
292 offset += cid_addr;
293 spin_lock_bh(&bp->indirect_lock);
294 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
295 int i;
296
297 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
298 REG_WR(bp, BNX2_CTX_CTX_CTRL,
299 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
300 for (i = 0; i < 5; i++) {
301 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
302 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
303 break;
304 udelay(5);
305 }
306 } else {
307 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
308 REG_WR(bp, BNX2_CTX_DATA, val);
309 }
310 spin_unlock_bh(&bp->indirect_lock);
311 }
312
313 static int
314 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
315 {
316 u32 val1;
317 int i, ret;
318
319 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
320 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
321 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
322
323 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
324 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
325
326 udelay(40);
327 }
328
329 val1 = (bp->phy_addr << 21) | (reg << 16) |
330 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
331 BNX2_EMAC_MDIO_COMM_START_BUSY;
332 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
333
334 for (i = 0; i < 50; i++) {
335 udelay(10);
336
337 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
338 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
339 udelay(5);
340
341 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
342 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
343
344 break;
345 }
346 }
347
348 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
349 *val = 0x0;
350 ret = -EBUSY;
351 }
352 else {
353 *val = val1;
354 ret = 0;
355 }
356
357 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
358 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
359 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
360
361 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
362 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
363
364 udelay(40);
365 }
366
367 return ret;
368 }
369
370 static int
371 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
372 {
373 u32 val1;
374 int i, ret;
375
376 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
377 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
378 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
379
380 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
381 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
382
383 udelay(40);
384 }
385
386 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
387 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
388 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
389 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
390
391 for (i = 0; i < 50; i++) {
392 udelay(10);
393
394 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
395 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
396 udelay(5);
397 break;
398 }
399 }
400
401 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
402 ret = -EBUSY;
403 else
404 ret = 0;
405
406 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
407 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
408 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
409
410 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
411 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
412
413 udelay(40);
414 }
415
416 return ret;
417 }
418
419 static void
420 bnx2_disable_int(struct bnx2 *bp)
421 {
422 int i;
423 struct bnx2_napi *bnapi;
424
425 for (i = 0; i < bp->irq_nvecs; i++) {
426 bnapi = &bp->bnx2_napi[i];
427 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
428 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
429 }
430 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
431 }
432
433 static void
434 bnx2_enable_int(struct bnx2 *bp)
435 {
436 int i;
437 struct bnx2_napi *bnapi;
438
439 for (i = 0; i < bp->irq_nvecs; i++) {
440 bnapi = &bp->bnx2_napi[i];
441
442 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
443 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
444 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
445 bnapi->last_status_idx);
446
447 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
448 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
449 bnapi->last_status_idx);
450 }
451 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
452 }
453
454 static void
455 bnx2_disable_int_sync(struct bnx2 *bp)
456 {
457 int i;
458
459 atomic_inc(&bp->intr_sem);
460 bnx2_disable_int(bp);
461 for (i = 0; i < bp->irq_nvecs; i++)
462 synchronize_irq(bp->irq_tbl[i].vector);
463 }
464
465 static void
466 bnx2_napi_disable(struct bnx2 *bp)
467 {
468 int i;
469
470 for (i = 0; i < bp->irq_nvecs; i++)
471 napi_disable(&bp->bnx2_napi[i].napi);
472 }
473
474 static void
475 bnx2_napi_enable(struct bnx2 *bp)
476 {
477 int i;
478
479 for (i = 0; i < bp->irq_nvecs; i++)
480 napi_enable(&bp->bnx2_napi[i].napi);
481 }
482
483 static void
484 bnx2_netif_stop(struct bnx2 *bp)
485 {
486 bnx2_disable_int_sync(bp);
487 if (netif_running(bp->dev)) {
488 bnx2_napi_disable(bp);
489 netif_tx_disable(bp->dev);
490 bp->dev->trans_start = jiffies; /* prevent tx timeout */
491 }
492 }
493
494 static void
495 bnx2_netif_start(struct bnx2 *bp)
496 {
497 if (atomic_dec_and_test(&bp->intr_sem)) {
498 if (netif_running(bp->dev)) {
499 netif_tx_wake_all_queues(bp->dev);
500 bnx2_napi_enable(bp);
501 bnx2_enable_int(bp);
502 }
503 }
504 }
505
506 static void
507 bnx2_free_tx_mem(struct bnx2 *bp)
508 {
509 int i;
510
511 for (i = 0; i < bp->num_tx_rings; i++) {
512 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
513 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
514
515 if (txr->tx_desc_ring) {
516 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
517 txr->tx_desc_ring,
518 txr->tx_desc_mapping);
519 txr->tx_desc_ring = NULL;
520 }
521 kfree(txr->tx_buf_ring);
522 txr->tx_buf_ring = NULL;
523 }
524 }
525
526 static void
527 bnx2_free_rx_mem(struct bnx2 *bp)
528 {
529 int i;
530
531 for (i = 0; i < bp->num_rx_rings; i++) {
532 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
533 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
534 int j;
535
536 for (j = 0; j < bp->rx_max_ring; j++) {
537 if (rxr->rx_desc_ring[j])
538 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
539 rxr->rx_desc_ring[j],
540 rxr->rx_desc_mapping[j]);
541 rxr->rx_desc_ring[j] = NULL;
542 }
543 if (rxr->rx_buf_ring)
544 vfree(rxr->rx_buf_ring);
545 rxr->rx_buf_ring = NULL;
546
547 for (j = 0; j < bp->rx_max_pg_ring; j++) {
548 if (rxr->rx_pg_desc_ring[j])
549 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
550 rxr->rx_pg_desc_ring[j],
551 rxr->rx_pg_desc_mapping[j]);
552 rxr->rx_pg_desc_ring[j] = NULL;
553 }
554 if (rxr->rx_pg_ring)
555 vfree(rxr->rx_pg_ring);
556 rxr->rx_pg_ring = NULL;
557 }
558 }
559
560 static int
561 bnx2_alloc_tx_mem(struct bnx2 *bp)
562 {
563 int i;
564
565 for (i = 0; i < bp->num_tx_rings; i++) {
566 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
567 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
568
569 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
570 if (txr->tx_buf_ring == NULL)
571 return -ENOMEM;
572
573 txr->tx_desc_ring =
574 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
575 &txr->tx_desc_mapping);
576 if (txr->tx_desc_ring == NULL)
577 return -ENOMEM;
578 }
579 return 0;
580 }
581
582 static int
583 bnx2_alloc_rx_mem(struct bnx2 *bp)
584 {
585 int i;
586
587 for (i = 0; i < bp->num_rx_rings; i++) {
588 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
589 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
590 int j;
591
592 rxr->rx_buf_ring =
593 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
594 if (rxr->rx_buf_ring == NULL)
595 return -ENOMEM;
596
597 memset(rxr->rx_buf_ring, 0,
598 SW_RXBD_RING_SIZE * bp->rx_max_ring);
599
600 for (j = 0; j < bp->rx_max_ring; j++) {
601 rxr->rx_desc_ring[j] =
602 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
603 &rxr->rx_desc_mapping[j]);
604 if (rxr->rx_desc_ring[j] == NULL)
605 return -ENOMEM;
606
607 }
608
609 if (bp->rx_pg_ring_size) {
610 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
611 bp->rx_max_pg_ring);
612 if (rxr->rx_pg_ring == NULL)
613 return -ENOMEM;
614
615 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
616 bp->rx_max_pg_ring);
617 }
618
619 for (j = 0; j < bp->rx_max_pg_ring; j++) {
620 rxr->rx_pg_desc_ring[j] =
621 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
622 &rxr->rx_pg_desc_mapping[j]);
623 if (rxr->rx_pg_desc_ring[j] == NULL)
624 return -ENOMEM;
625
626 }
627 }
628 return 0;
629 }
630
631 static void
632 bnx2_free_mem(struct bnx2 *bp)
633 {
634 int i;
635 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
636
637 bnx2_free_tx_mem(bp);
638 bnx2_free_rx_mem(bp);
639
640 for (i = 0; i < bp->ctx_pages; i++) {
641 if (bp->ctx_blk[i]) {
642 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
643 bp->ctx_blk[i],
644 bp->ctx_blk_mapping[i]);
645 bp->ctx_blk[i] = NULL;
646 }
647 }
648 if (bnapi->status_blk.msi) {
649 pci_free_consistent(bp->pdev, bp->status_stats_size,
650 bnapi->status_blk.msi,
651 bp->status_blk_mapping);
652 bnapi->status_blk.msi = NULL;
653 bp->stats_blk = NULL;
654 }
655 }
656
657 static int
658 bnx2_alloc_mem(struct bnx2 *bp)
659 {
660 int i, status_blk_size, err;
661 struct bnx2_napi *bnapi;
662 void *status_blk;
663
664 /* Combine status and statistics blocks into one allocation. */
665 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
666 if (bp->flags & BNX2_FLAG_MSIX_CAP)
667 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
668 BNX2_SBLK_MSIX_ALIGN_SIZE);
669 bp->status_stats_size = status_blk_size +
670 sizeof(struct statistics_block);
671
672 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
673 &bp->status_blk_mapping);
674 if (status_blk == NULL)
675 goto alloc_mem_err;
676
677 memset(status_blk, 0, bp->status_stats_size);
678
679 bnapi = &bp->bnx2_napi[0];
680 bnapi->status_blk.msi = status_blk;
681 bnapi->hw_tx_cons_ptr =
682 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
683 bnapi->hw_rx_cons_ptr =
684 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
685 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
686 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
687 struct status_block_msix *sblk;
688
689 bnapi = &bp->bnx2_napi[i];
690
691 sblk = (void *) (status_blk +
692 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
693 bnapi->status_blk.msix = sblk;
694 bnapi->hw_tx_cons_ptr =
695 &sblk->status_tx_quick_consumer_index;
696 bnapi->hw_rx_cons_ptr =
697 &sblk->status_rx_quick_consumer_index;
698 bnapi->int_num = i << 24;
699 }
700 }
701
702 bp->stats_blk = status_blk + status_blk_size;
703
704 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
705
706 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
707 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
708 if (bp->ctx_pages == 0)
709 bp->ctx_pages = 1;
710 for (i = 0; i < bp->ctx_pages; i++) {
711 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
712 BCM_PAGE_SIZE,
713 &bp->ctx_blk_mapping[i]);
714 if (bp->ctx_blk[i] == NULL)
715 goto alloc_mem_err;
716 }
717 }
718
719 err = bnx2_alloc_rx_mem(bp);
720 if (err)
721 goto alloc_mem_err;
722
723 err = bnx2_alloc_tx_mem(bp);
724 if (err)
725 goto alloc_mem_err;
726
727 return 0;
728
729 alloc_mem_err:
730 bnx2_free_mem(bp);
731 return -ENOMEM;
732 }
733
734 static void
735 bnx2_report_fw_link(struct bnx2 *bp)
736 {
737 u32 fw_link_status = 0;
738
739 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
740 return;
741
742 if (bp->link_up) {
743 u32 bmsr;
744
745 switch (bp->line_speed) {
746 case SPEED_10:
747 if (bp->duplex == DUPLEX_HALF)
748 fw_link_status = BNX2_LINK_STATUS_10HALF;
749 else
750 fw_link_status = BNX2_LINK_STATUS_10FULL;
751 break;
752 case SPEED_100:
753 if (bp->duplex == DUPLEX_HALF)
754 fw_link_status = BNX2_LINK_STATUS_100HALF;
755 else
756 fw_link_status = BNX2_LINK_STATUS_100FULL;
757 break;
758 case SPEED_1000:
759 if (bp->duplex == DUPLEX_HALF)
760 fw_link_status = BNX2_LINK_STATUS_1000HALF;
761 else
762 fw_link_status = BNX2_LINK_STATUS_1000FULL;
763 break;
764 case SPEED_2500:
765 if (bp->duplex == DUPLEX_HALF)
766 fw_link_status = BNX2_LINK_STATUS_2500HALF;
767 else
768 fw_link_status = BNX2_LINK_STATUS_2500FULL;
769 break;
770 }
771
772 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
773
774 if (bp->autoneg) {
775 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
776
777 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
778 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
779
780 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
781 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
782 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
783 else
784 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
785 }
786 }
787 else
788 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
789
790 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
791 }
792
793 static char *
794 bnx2_xceiver_str(struct bnx2 *bp)
795 {
796 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
797 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
798 "Copper"));
799 }
800
801 static void
802 bnx2_report_link(struct bnx2 *bp)
803 {
804 if (bp->link_up) {
805 netif_carrier_on(bp->dev);
806 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
807 bnx2_xceiver_str(bp));
808
809 printk("%d Mbps ", bp->line_speed);
810
811 if (bp->duplex == DUPLEX_FULL)
812 printk("full duplex");
813 else
814 printk("half duplex");
815
816 if (bp->flow_ctrl) {
817 if (bp->flow_ctrl & FLOW_CTRL_RX) {
818 printk(", receive ");
819 if (bp->flow_ctrl & FLOW_CTRL_TX)
820 printk("& transmit ");
821 }
822 else {
823 printk(", transmit ");
824 }
825 printk("flow control ON");
826 }
827 printk("\n");
828 }
829 else {
830 netif_carrier_off(bp->dev);
831 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
832 bnx2_xceiver_str(bp));
833 }
834
835 bnx2_report_fw_link(bp);
836 }
837
838 static void
839 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
840 {
841 u32 local_adv, remote_adv;
842
843 bp->flow_ctrl = 0;
844 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
845 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
846
847 if (bp->duplex == DUPLEX_FULL) {
848 bp->flow_ctrl = bp->req_flow_ctrl;
849 }
850 return;
851 }
852
853 if (bp->duplex != DUPLEX_FULL) {
854 return;
855 }
856
857 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
858 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
859 u32 val;
860
861 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
862 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
863 bp->flow_ctrl |= FLOW_CTRL_TX;
864 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
865 bp->flow_ctrl |= FLOW_CTRL_RX;
866 return;
867 }
868
869 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
870 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
871
872 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
873 u32 new_local_adv = 0;
874 u32 new_remote_adv = 0;
875
876 if (local_adv & ADVERTISE_1000XPAUSE)
877 new_local_adv |= ADVERTISE_PAUSE_CAP;
878 if (local_adv & ADVERTISE_1000XPSE_ASYM)
879 new_local_adv |= ADVERTISE_PAUSE_ASYM;
880 if (remote_adv & ADVERTISE_1000XPAUSE)
881 new_remote_adv |= ADVERTISE_PAUSE_CAP;
882 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
883 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
884
885 local_adv = new_local_adv;
886 remote_adv = new_remote_adv;
887 }
888
889 /* See Table 28B-3 of 802.3ab-1999 spec. */
890 if (local_adv & ADVERTISE_PAUSE_CAP) {
891 if(local_adv & ADVERTISE_PAUSE_ASYM) {
892 if (remote_adv & ADVERTISE_PAUSE_CAP) {
893 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
894 }
895 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
896 bp->flow_ctrl = FLOW_CTRL_RX;
897 }
898 }
899 else {
900 if (remote_adv & ADVERTISE_PAUSE_CAP) {
901 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
902 }
903 }
904 }
905 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
906 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
907 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
908
909 bp->flow_ctrl = FLOW_CTRL_TX;
910 }
911 }
912 }
913
914 static int
915 bnx2_5709s_linkup(struct bnx2 *bp)
916 {
917 u32 val, speed;
918
919 bp->link_up = 1;
920
921 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
922 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
923 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
924
925 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
926 bp->line_speed = bp->req_line_speed;
927 bp->duplex = bp->req_duplex;
928 return 0;
929 }
930 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
931 switch (speed) {
932 case MII_BNX2_GP_TOP_AN_SPEED_10:
933 bp->line_speed = SPEED_10;
934 break;
935 case MII_BNX2_GP_TOP_AN_SPEED_100:
936 bp->line_speed = SPEED_100;
937 break;
938 case MII_BNX2_GP_TOP_AN_SPEED_1G:
939 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
940 bp->line_speed = SPEED_1000;
941 break;
942 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
943 bp->line_speed = SPEED_2500;
944 break;
945 }
946 if (val & MII_BNX2_GP_TOP_AN_FD)
947 bp->duplex = DUPLEX_FULL;
948 else
949 bp->duplex = DUPLEX_HALF;
950 return 0;
951 }
952
953 static int
954 bnx2_5708s_linkup(struct bnx2 *bp)
955 {
956 u32 val;
957
958 bp->link_up = 1;
959 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
960 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
961 case BCM5708S_1000X_STAT1_SPEED_10:
962 bp->line_speed = SPEED_10;
963 break;
964 case BCM5708S_1000X_STAT1_SPEED_100:
965 bp->line_speed = SPEED_100;
966 break;
967 case BCM5708S_1000X_STAT1_SPEED_1G:
968 bp->line_speed = SPEED_1000;
969 break;
970 case BCM5708S_1000X_STAT1_SPEED_2G5:
971 bp->line_speed = SPEED_2500;
972 break;
973 }
974 if (val & BCM5708S_1000X_STAT1_FD)
975 bp->duplex = DUPLEX_FULL;
976 else
977 bp->duplex = DUPLEX_HALF;
978
979 return 0;
980 }
981
982 static int
983 bnx2_5706s_linkup(struct bnx2 *bp)
984 {
985 u32 bmcr, local_adv, remote_adv, common;
986
987 bp->link_up = 1;
988 bp->line_speed = SPEED_1000;
989
990 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
991 if (bmcr & BMCR_FULLDPLX) {
992 bp->duplex = DUPLEX_FULL;
993 }
994 else {
995 bp->duplex = DUPLEX_HALF;
996 }
997
998 if (!(bmcr & BMCR_ANENABLE)) {
999 return 0;
1000 }
1001
1002 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1003 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1004
1005 common = local_adv & remote_adv;
1006 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1007
1008 if (common & ADVERTISE_1000XFULL) {
1009 bp->duplex = DUPLEX_FULL;
1010 }
1011 else {
1012 bp->duplex = DUPLEX_HALF;
1013 }
1014 }
1015
1016 return 0;
1017 }
1018
1019 static int
1020 bnx2_copper_linkup(struct bnx2 *bp)
1021 {
1022 u32 bmcr;
1023
1024 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1025 if (bmcr & BMCR_ANENABLE) {
1026 u32 local_adv, remote_adv, common;
1027
1028 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1029 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1030
1031 common = local_adv & (remote_adv >> 2);
1032 if (common & ADVERTISE_1000FULL) {
1033 bp->line_speed = SPEED_1000;
1034 bp->duplex = DUPLEX_FULL;
1035 }
1036 else if (common & ADVERTISE_1000HALF) {
1037 bp->line_speed = SPEED_1000;
1038 bp->duplex = DUPLEX_HALF;
1039 }
1040 else {
1041 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1042 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1043
1044 common = local_adv & remote_adv;
1045 if (common & ADVERTISE_100FULL) {
1046 bp->line_speed = SPEED_100;
1047 bp->duplex = DUPLEX_FULL;
1048 }
1049 else if (common & ADVERTISE_100HALF) {
1050 bp->line_speed = SPEED_100;
1051 bp->duplex = DUPLEX_HALF;
1052 }
1053 else if (common & ADVERTISE_10FULL) {
1054 bp->line_speed = SPEED_10;
1055 bp->duplex = DUPLEX_FULL;
1056 }
1057 else if (common & ADVERTISE_10HALF) {
1058 bp->line_speed = SPEED_10;
1059 bp->duplex = DUPLEX_HALF;
1060 }
1061 else {
1062 bp->line_speed = 0;
1063 bp->link_up = 0;
1064 }
1065 }
1066 }
1067 else {
1068 if (bmcr & BMCR_SPEED100) {
1069 bp->line_speed = SPEED_100;
1070 }
1071 else {
1072 bp->line_speed = SPEED_10;
1073 }
1074 if (bmcr & BMCR_FULLDPLX) {
1075 bp->duplex = DUPLEX_FULL;
1076 }
1077 else {
1078 bp->duplex = DUPLEX_HALF;
1079 }
1080 }
1081
1082 return 0;
1083 }
1084
1085 static void
1086 bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
1087 {
1088 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
1089
1090 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1091 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1092 val |= 0x02 << 8;
1093
1094 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1095 u32 lo_water, hi_water;
1096
1097 if (bp->flow_ctrl & FLOW_CTRL_TX)
1098 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1099 else
1100 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1101 if (lo_water >= bp->rx_ring_size)
1102 lo_water = 0;
1103
1104 hi_water = bp->rx_ring_size / 4;
1105
1106 if (hi_water <= lo_water)
1107 lo_water = 0;
1108
1109 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1110 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1111
1112 if (hi_water > 0xf)
1113 hi_water = 0xf;
1114 else if (hi_water == 0)
1115 lo_water = 0;
1116 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1117 }
1118 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1119 }
1120
1121 static void
1122 bnx2_init_all_rx_contexts(struct bnx2 *bp)
1123 {
1124 int i;
1125 u32 cid;
1126
1127 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1128 if (i == 1)
1129 cid = RX_RSS_CID;
1130 bnx2_init_rx_context(bp, cid);
1131 }
1132 }
1133
1134 static void
1135 bnx2_set_mac_link(struct bnx2 *bp)
1136 {
1137 u32 val;
1138
1139 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1140 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1141 (bp->duplex == DUPLEX_HALF)) {
1142 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1143 }
1144
1145 /* Configure the EMAC mode register. */
1146 val = REG_RD(bp, BNX2_EMAC_MODE);
1147
1148 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1149 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1150 BNX2_EMAC_MODE_25G_MODE);
1151
1152 if (bp->link_up) {
1153 switch (bp->line_speed) {
1154 case SPEED_10:
1155 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1156 val |= BNX2_EMAC_MODE_PORT_MII_10M;
1157 break;
1158 }
1159 /* fall through */
1160 case SPEED_100:
1161 val |= BNX2_EMAC_MODE_PORT_MII;
1162 break;
1163 case SPEED_2500:
1164 val |= BNX2_EMAC_MODE_25G_MODE;
1165 /* fall through */
1166 case SPEED_1000:
1167 val |= BNX2_EMAC_MODE_PORT_GMII;
1168 break;
1169 }
1170 }
1171 else {
1172 val |= BNX2_EMAC_MODE_PORT_GMII;
1173 }
1174
1175 /* Set the MAC to operate in the appropriate duplex mode. */
1176 if (bp->duplex == DUPLEX_HALF)
1177 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1178 REG_WR(bp, BNX2_EMAC_MODE, val);
1179
1180 /* Enable/disable rx PAUSE. */
1181 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1182
1183 if (bp->flow_ctrl & FLOW_CTRL_RX)
1184 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1185 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1186
1187 /* Enable/disable tx PAUSE. */
1188 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1189 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1190
1191 if (bp->flow_ctrl & FLOW_CTRL_TX)
1192 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1193 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1194
1195 /* Acknowledge the interrupt. */
1196 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1197
1198 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1199 bnx2_init_all_rx_contexts(bp);
1200 }
1201
1202 static void
1203 bnx2_enable_bmsr1(struct bnx2 *bp)
1204 {
1205 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1206 (CHIP_NUM(bp) == CHIP_NUM_5709))
1207 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1208 MII_BNX2_BLK_ADDR_GP_STATUS);
1209 }
1210
1211 static void
1212 bnx2_disable_bmsr1(struct bnx2 *bp)
1213 {
1214 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1215 (CHIP_NUM(bp) == CHIP_NUM_5709))
1216 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1217 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1218 }
1219
1220 static int
1221 bnx2_test_and_enable_2g5(struct bnx2 *bp)
1222 {
1223 u32 up1;
1224 int ret = 1;
1225
1226 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1227 return 0;
1228
1229 if (bp->autoneg & AUTONEG_SPEED)
1230 bp->advertising |= ADVERTISED_2500baseX_Full;
1231
1232 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1233 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1234
1235 bnx2_read_phy(bp, bp->mii_up1, &up1);
1236 if (!(up1 & BCM5708S_UP1_2G5)) {
1237 up1 |= BCM5708S_UP1_2G5;
1238 bnx2_write_phy(bp, bp->mii_up1, up1);
1239 ret = 0;
1240 }
1241
1242 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1243 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1244 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1245
1246 return ret;
1247 }
1248
1249 static int
1250 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1251 {
1252 u32 up1;
1253 int ret = 0;
1254
1255 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1256 return 0;
1257
1258 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1259 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1260
1261 bnx2_read_phy(bp, bp->mii_up1, &up1);
1262 if (up1 & BCM5708S_UP1_2G5) {
1263 up1 &= ~BCM5708S_UP1_2G5;
1264 bnx2_write_phy(bp, bp->mii_up1, up1);
1265 ret = 1;
1266 }
1267
1268 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1269 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1270 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1271
1272 return ret;
1273 }
1274
1275 static void
1276 bnx2_enable_forced_2g5(struct bnx2 *bp)
1277 {
1278 u32 bmcr;
1279
1280 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1281 return;
1282
1283 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1284 u32 val;
1285
1286 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1287 MII_BNX2_BLK_ADDR_SERDES_DIG);
1288 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1289 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1290 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1291 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1292
1293 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1294 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1295 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1296
1297 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1298 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1299 bmcr |= BCM5708S_BMCR_FORCE_2500;
1300 }
1301
1302 if (bp->autoneg & AUTONEG_SPEED) {
1303 bmcr &= ~BMCR_ANENABLE;
1304 if (bp->req_duplex == DUPLEX_FULL)
1305 bmcr |= BMCR_FULLDPLX;
1306 }
1307 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1308 }
1309
1310 static void
1311 bnx2_disable_forced_2g5(struct bnx2 *bp)
1312 {
1313 u32 bmcr;
1314
1315 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1316 return;
1317
1318 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1319 u32 val;
1320
1321 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1322 MII_BNX2_BLK_ADDR_SERDES_DIG);
1323 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1324 val &= ~MII_BNX2_SD_MISC1_FORCE;
1325 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1326
1327 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1328 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1329 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1330
1331 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1332 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1333 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1334 }
1335
1336 if (bp->autoneg & AUTONEG_SPEED)
1337 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1338 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1339 }
1340
1341 static void
1342 bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1343 {
1344 u32 val;
1345
1346 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1347 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1348 if (start)
1349 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1350 else
1351 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1352 }
1353
1354 static int
1355 bnx2_set_link(struct bnx2 *bp)
1356 {
1357 u32 bmsr;
1358 u8 link_up;
1359
1360 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1361 bp->link_up = 1;
1362 return 0;
1363 }
1364
1365 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1366 return 0;
1367
1368 link_up = bp->link_up;
1369
1370 bnx2_enable_bmsr1(bp);
1371 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1372 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1373 bnx2_disable_bmsr1(bp);
1374
1375 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1376 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1377 u32 val, an_dbg;
1378
1379 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1380 bnx2_5706s_force_link_dn(bp, 0);
1381 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1382 }
1383 val = REG_RD(bp, BNX2_EMAC_STATUS);
1384
1385 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1386 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1387 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1388
1389 if ((val & BNX2_EMAC_STATUS_LINK) &&
1390 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1391 bmsr |= BMSR_LSTATUS;
1392 else
1393 bmsr &= ~BMSR_LSTATUS;
1394 }
1395
1396 if (bmsr & BMSR_LSTATUS) {
1397 bp->link_up = 1;
1398
1399 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1400 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1401 bnx2_5706s_linkup(bp);
1402 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1403 bnx2_5708s_linkup(bp);
1404 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1405 bnx2_5709s_linkup(bp);
1406 }
1407 else {
1408 bnx2_copper_linkup(bp);
1409 }
1410 bnx2_resolve_flow_ctrl(bp);
1411 }
1412 else {
1413 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1414 (bp->autoneg & AUTONEG_SPEED))
1415 bnx2_disable_forced_2g5(bp);
1416
1417 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1418 u32 bmcr;
1419
1420 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1421 bmcr |= BMCR_ANENABLE;
1422 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1423
1424 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1425 }
1426 bp->link_up = 0;
1427 }
1428
1429 if (bp->link_up != link_up) {
1430 bnx2_report_link(bp);
1431 }
1432
1433 bnx2_set_mac_link(bp);
1434
1435 return 0;
1436 }
1437
1438 static int
1439 bnx2_reset_phy(struct bnx2 *bp)
1440 {
1441 int i;
1442 u32 reg;
1443
1444 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1445
1446 #define PHY_RESET_MAX_WAIT 100
1447 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1448 udelay(10);
1449
1450 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1451 if (!(reg & BMCR_RESET)) {
1452 udelay(20);
1453 break;
1454 }
1455 }
1456 if (i == PHY_RESET_MAX_WAIT) {
1457 return -EBUSY;
1458 }
1459 return 0;
1460 }
1461
1462 static u32
1463 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1464 {
1465 u32 adv = 0;
1466
1467 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1468 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1469
1470 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1471 adv = ADVERTISE_1000XPAUSE;
1472 }
1473 else {
1474 adv = ADVERTISE_PAUSE_CAP;
1475 }
1476 }
1477 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1478 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1479 adv = ADVERTISE_1000XPSE_ASYM;
1480 }
1481 else {
1482 adv = ADVERTISE_PAUSE_ASYM;
1483 }
1484 }
1485 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1486 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1487 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1488 }
1489 else {
1490 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1491 }
1492 }
1493 return adv;
1494 }
1495
1496 static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
1497
1498 static int
1499 bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1500 {
1501 u32 speed_arg = 0, pause_adv;
1502
1503 pause_adv = bnx2_phy_get_pause_adv(bp);
1504
1505 if (bp->autoneg & AUTONEG_SPEED) {
1506 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1507 if (bp->advertising & ADVERTISED_10baseT_Half)
1508 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1509 if (bp->advertising & ADVERTISED_10baseT_Full)
1510 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1511 if (bp->advertising & ADVERTISED_100baseT_Half)
1512 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1513 if (bp->advertising & ADVERTISED_100baseT_Full)
1514 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1515 if (bp->advertising & ADVERTISED_1000baseT_Full)
1516 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1517 if (bp->advertising & ADVERTISED_2500baseX_Full)
1518 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1519 } else {
1520 if (bp->req_line_speed == SPEED_2500)
1521 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1522 else if (bp->req_line_speed == SPEED_1000)
1523 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1524 else if (bp->req_line_speed == SPEED_100) {
1525 if (bp->req_duplex == DUPLEX_FULL)
1526 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1527 else
1528 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1529 } else if (bp->req_line_speed == SPEED_10) {
1530 if (bp->req_duplex == DUPLEX_FULL)
1531 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1532 else
1533 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1534 }
1535 }
1536
1537 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1538 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1539 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1540 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1541
1542 if (port == PORT_TP)
1543 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1544 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1545
1546 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1547
1548 spin_unlock_bh(&bp->phy_lock);
1549 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
1550 spin_lock_bh(&bp->phy_lock);
1551
1552 return 0;
1553 }
1554
1555 static int
1556 bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1557 {
1558 u32 adv, bmcr;
1559 u32 new_adv = 0;
1560
1561 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1562 return (bnx2_setup_remote_phy(bp, port));
1563
1564 if (!(bp->autoneg & AUTONEG_SPEED)) {
1565 u32 new_bmcr;
1566 int force_link_down = 0;
1567
1568 if (bp->req_line_speed == SPEED_2500) {
1569 if (!bnx2_test_and_enable_2g5(bp))
1570 force_link_down = 1;
1571 } else if (bp->req_line_speed == SPEED_1000) {
1572 if (bnx2_test_and_disable_2g5(bp))
1573 force_link_down = 1;
1574 }
1575 bnx2_read_phy(bp, bp->mii_adv, &adv);
1576 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1577
1578 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1579 new_bmcr = bmcr & ~BMCR_ANENABLE;
1580 new_bmcr |= BMCR_SPEED1000;
1581
1582 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1583 if (bp->req_line_speed == SPEED_2500)
1584 bnx2_enable_forced_2g5(bp);
1585 else if (bp->req_line_speed == SPEED_1000) {
1586 bnx2_disable_forced_2g5(bp);
1587 new_bmcr &= ~0x2000;
1588 }
1589
1590 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1591 if (bp->req_line_speed == SPEED_2500)
1592 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1593 else
1594 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1595 }
1596
1597 if (bp->req_duplex == DUPLEX_FULL) {
1598 adv |= ADVERTISE_1000XFULL;
1599 new_bmcr |= BMCR_FULLDPLX;
1600 }
1601 else {
1602 adv |= ADVERTISE_1000XHALF;
1603 new_bmcr &= ~BMCR_FULLDPLX;
1604 }
1605 if ((new_bmcr != bmcr) || (force_link_down)) {
1606 /* Force a link down visible on the other side */
1607 if (bp->link_up) {
1608 bnx2_write_phy(bp, bp->mii_adv, adv &
1609 ~(ADVERTISE_1000XFULL |
1610 ADVERTISE_1000XHALF));
1611 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1612 BMCR_ANRESTART | BMCR_ANENABLE);
1613
1614 bp->link_up = 0;
1615 netif_carrier_off(bp->dev);
1616 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1617 bnx2_report_link(bp);
1618 }
1619 bnx2_write_phy(bp, bp->mii_adv, adv);
1620 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1621 } else {
1622 bnx2_resolve_flow_ctrl(bp);
1623 bnx2_set_mac_link(bp);
1624 }
1625 return 0;
1626 }
1627
1628 bnx2_test_and_enable_2g5(bp);
1629
1630 if (bp->advertising & ADVERTISED_1000baseT_Full)
1631 new_adv |= ADVERTISE_1000XFULL;
1632
1633 new_adv |= bnx2_phy_get_pause_adv(bp);
1634
1635 bnx2_read_phy(bp, bp->mii_adv, &adv);
1636 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1637
1638 bp->serdes_an_pending = 0;
1639 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1640 /* Force a link down visible on the other side */
1641 if (bp->link_up) {
1642 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1643 spin_unlock_bh(&bp->phy_lock);
1644 msleep(20);
1645 spin_lock_bh(&bp->phy_lock);
1646 }
1647
1648 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1649 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1650 BMCR_ANENABLE);
1651 /* Speed up link-up time when the link partner
1652 * does not autonegotiate which is very common
1653 * in blade servers. Some blade servers use
1654 * IPMI for kerboard input and it's important
1655 * to minimize link disruptions. Autoneg. involves
1656 * exchanging base pages plus 3 next pages and
1657 * normally completes in about 120 msec.
1658 */
1659 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
1660 bp->serdes_an_pending = 1;
1661 mod_timer(&bp->timer, jiffies + bp->current_interval);
1662 } else {
1663 bnx2_resolve_flow_ctrl(bp);
1664 bnx2_set_mac_link(bp);
1665 }
1666
1667 return 0;
1668 }
1669
1670 #define ETHTOOL_ALL_FIBRE_SPEED \
1671 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
1672 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1673 (ADVERTISED_1000baseT_Full)
1674
1675 #define ETHTOOL_ALL_COPPER_SPEED \
1676 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1677 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1678 ADVERTISED_1000baseT_Full)
1679
1680 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1681 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1682
1683 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1684
1685 static void
1686 bnx2_set_default_remote_link(struct bnx2 *bp)
1687 {
1688 u32 link;
1689
1690 if (bp->phy_port == PORT_TP)
1691 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1692 else
1693 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1694
1695 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1696 bp->req_line_speed = 0;
1697 bp->autoneg |= AUTONEG_SPEED;
1698 bp->advertising = ADVERTISED_Autoneg;
1699 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1700 bp->advertising |= ADVERTISED_10baseT_Half;
1701 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1702 bp->advertising |= ADVERTISED_10baseT_Full;
1703 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1704 bp->advertising |= ADVERTISED_100baseT_Half;
1705 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1706 bp->advertising |= ADVERTISED_100baseT_Full;
1707 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1708 bp->advertising |= ADVERTISED_1000baseT_Full;
1709 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1710 bp->advertising |= ADVERTISED_2500baseX_Full;
1711 } else {
1712 bp->autoneg = 0;
1713 bp->advertising = 0;
1714 bp->req_duplex = DUPLEX_FULL;
1715 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1716 bp->req_line_speed = SPEED_10;
1717 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1718 bp->req_duplex = DUPLEX_HALF;
1719 }
1720 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1721 bp->req_line_speed = SPEED_100;
1722 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1723 bp->req_duplex = DUPLEX_HALF;
1724 }
1725 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1726 bp->req_line_speed = SPEED_1000;
1727 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1728 bp->req_line_speed = SPEED_2500;
1729 }
1730 }
1731
1732 static void
1733 bnx2_set_default_link(struct bnx2 *bp)
1734 {
1735 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1736 bnx2_set_default_remote_link(bp);
1737 return;
1738 }
1739
1740 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1741 bp->req_line_speed = 0;
1742 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1743 u32 reg;
1744
1745 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1746
1747 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1748 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1749 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1750 bp->autoneg = 0;
1751 bp->req_line_speed = bp->line_speed = SPEED_1000;
1752 bp->req_duplex = DUPLEX_FULL;
1753 }
1754 } else
1755 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1756 }
1757
1758 static void
1759 bnx2_send_heart_beat(struct bnx2 *bp)
1760 {
1761 u32 msg;
1762 u32 addr;
1763
1764 spin_lock(&bp->indirect_lock);
1765 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1766 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1767 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1768 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1769 spin_unlock(&bp->indirect_lock);
1770 }
1771
1772 static void
1773 bnx2_remote_phy_event(struct bnx2 *bp)
1774 {
1775 u32 msg;
1776 u8 link_up = bp->link_up;
1777 u8 old_port;
1778
1779 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1780
1781 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1782 bnx2_send_heart_beat(bp);
1783
1784 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1785
1786 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1787 bp->link_up = 0;
1788 else {
1789 u32 speed;
1790
1791 bp->link_up = 1;
1792 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1793 bp->duplex = DUPLEX_FULL;
1794 switch (speed) {
1795 case BNX2_LINK_STATUS_10HALF:
1796 bp->duplex = DUPLEX_HALF;
1797 case BNX2_LINK_STATUS_10FULL:
1798 bp->line_speed = SPEED_10;
1799 break;
1800 case BNX2_LINK_STATUS_100HALF:
1801 bp->duplex = DUPLEX_HALF;
1802 case BNX2_LINK_STATUS_100BASE_T4:
1803 case BNX2_LINK_STATUS_100FULL:
1804 bp->line_speed = SPEED_100;
1805 break;
1806 case BNX2_LINK_STATUS_1000HALF:
1807 bp->duplex = DUPLEX_HALF;
1808 case BNX2_LINK_STATUS_1000FULL:
1809 bp->line_speed = SPEED_1000;
1810 break;
1811 case BNX2_LINK_STATUS_2500HALF:
1812 bp->duplex = DUPLEX_HALF;
1813 case BNX2_LINK_STATUS_2500FULL:
1814 bp->line_speed = SPEED_2500;
1815 break;
1816 default:
1817 bp->line_speed = 0;
1818 break;
1819 }
1820
1821 bp->flow_ctrl = 0;
1822 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1823 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1824 if (bp->duplex == DUPLEX_FULL)
1825 bp->flow_ctrl = bp->req_flow_ctrl;
1826 } else {
1827 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1828 bp->flow_ctrl |= FLOW_CTRL_TX;
1829 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1830 bp->flow_ctrl |= FLOW_CTRL_RX;
1831 }
1832
1833 old_port = bp->phy_port;
1834 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1835 bp->phy_port = PORT_FIBRE;
1836 else
1837 bp->phy_port = PORT_TP;
1838
1839 if (old_port != bp->phy_port)
1840 bnx2_set_default_link(bp);
1841
1842 }
1843 if (bp->link_up != link_up)
1844 bnx2_report_link(bp);
1845
1846 bnx2_set_mac_link(bp);
1847 }
1848
1849 static int
1850 bnx2_set_remote_link(struct bnx2 *bp)
1851 {
1852 u32 evt_code;
1853
1854 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1855 switch (evt_code) {
1856 case BNX2_FW_EVT_CODE_LINK_EVENT:
1857 bnx2_remote_phy_event(bp);
1858 break;
1859 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1860 default:
1861 bnx2_send_heart_beat(bp);
1862 break;
1863 }
1864 return 0;
1865 }
1866
1867 static int
1868 bnx2_setup_copper_phy(struct bnx2 *bp)
1869 {
1870 u32 bmcr;
1871 u32 new_bmcr;
1872
1873 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1874
1875 if (bp->autoneg & AUTONEG_SPEED) {
1876 u32 adv_reg, adv1000_reg;
1877 u32 new_adv_reg = 0;
1878 u32 new_adv1000_reg = 0;
1879
1880 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1881 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1882 ADVERTISE_PAUSE_ASYM);
1883
1884 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1885 adv1000_reg &= PHY_ALL_1000_SPEED;
1886
1887 if (bp->advertising & ADVERTISED_10baseT_Half)
1888 new_adv_reg |= ADVERTISE_10HALF;
1889 if (bp->advertising & ADVERTISED_10baseT_Full)
1890 new_adv_reg |= ADVERTISE_10FULL;
1891 if (bp->advertising & ADVERTISED_100baseT_Half)
1892 new_adv_reg |= ADVERTISE_100HALF;
1893 if (bp->advertising & ADVERTISED_100baseT_Full)
1894 new_adv_reg |= ADVERTISE_100FULL;
1895 if (bp->advertising & ADVERTISED_1000baseT_Full)
1896 new_adv1000_reg |= ADVERTISE_1000FULL;
1897
1898 new_adv_reg |= ADVERTISE_CSMA;
1899
1900 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1901
1902 if ((adv1000_reg != new_adv1000_reg) ||
1903 (adv_reg != new_adv_reg) ||
1904 ((bmcr & BMCR_ANENABLE) == 0)) {
1905
1906 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1907 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1908 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1909 BMCR_ANENABLE);
1910 }
1911 else if (bp->link_up) {
1912 /* Flow ctrl may have changed from auto to forced */
1913 /* or vice-versa. */
1914
1915 bnx2_resolve_flow_ctrl(bp);
1916 bnx2_set_mac_link(bp);
1917 }
1918 return 0;
1919 }
1920
1921 new_bmcr = 0;
1922 if (bp->req_line_speed == SPEED_100) {
1923 new_bmcr |= BMCR_SPEED100;
1924 }
1925 if (bp->req_duplex == DUPLEX_FULL) {
1926 new_bmcr |= BMCR_FULLDPLX;
1927 }
1928 if (new_bmcr != bmcr) {
1929 u32 bmsr;
1930
1931 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1932 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1933
1934 if (bmsr & BMSR_LSTATUS) {
1935 /* Force link down */
1936 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1937 spin_unlock_bh(&bp->phy_lock);
1938 msleep(50);
1939 spin_lock_bh(&bp->phy_lock);
1940
1941 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1942 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1943 }
1944
1945 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1946
1947 /* Normally, the new speed is setup after the link has
1948 * gone down and up again. In some cases, link will not go
1949 * down so we need to set up the new speed here.
1950 */
1951 if (bmsr & BMSR_LSTATUS) {
1952 bp->line_speed = bp->req_line_speed;
1953 bp->duplex = bp->req_duplex;
1954 bnx2_resolve_flow_ctrl(bp);
1955 bnx2_set_mac_link(bp);
1956 }
1957 } else {
1958 bnx2_resolve_flow_ctrl(bp);
1959 bnx2_set_mac_link(bp);
1960 }
1961 return 0;
1962 }
1963
1964 static int
1965 bnx2_setup_phy(struct bnx2 *bp, u8 port)
1966 {
1967 if (bp->loopback == MAC_LOOPBACK)
1968 return 0;
1969
1970 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1971 return (bnx2_setup_serdes_phy(bp, port));
1972 }
1973 else {
1974 return (bnx2_setup_copper_phy(bp));
1975 }
1976 }
1977
1978 static int
1979 bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
1980 {
1981 u32 val;
1982
1983 bp->mii_bmcr = MII_BMCR + 0x10;
1984 bp->mii_bmsr = MII_BMSR + 0x10;
1985 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1986 bp->mii_adv = MII_ADVERTISE + 0x10;
1987 bp->mii_lpa = MII_LPA + 0x10;
1988 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1989
1990 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1991 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1992
1993 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1994 if (reset_phy)
1995 bnx2_reset_phy(bp);
1996
1997 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1998
1999 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2000 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2001 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2002 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2003
2004 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2005 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
2006 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
2007 val |= BCM5708S_UP1_2G5;
2008 else
2009 val &= ~BCM5708S_UP1_2G5;
2010 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2011
2012 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2013 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2014 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2015 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2016
2017 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2018
2019 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2020 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2021 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2022
2023 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2024
2025 return 0;
2026 }
2027
2028 static int
2029 bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
2030 {
2031 u32 val;
2032
2033 if (reset_phy)
2034 bnx2_reset_phy(bp);
2035
2036 bp->mii_up1 = BCM5708S_UP1;
2037
2038 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2039 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2040 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2041
2042 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2043 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2044 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2045
2046 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2047 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2048 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2049
2050 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
2051 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2052 val |= BCM5708S_UP1_2G5;
2053 bnx2_write_phy(bp, BCM5708S_UP1, val);
2054 }
2055
2056 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
2057 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2058 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
2059 /* increase tx signal amplitude */
2060 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2061 BCM5708S_BLK_ADDR_TX_MISC);
2062 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2063 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2064 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2065 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2066 }
2067
2068 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
2069 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2070
2071 if (val) {
2072 u32 is_backplane;
2073
2074 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
2075 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2076 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2077 BCM5708S_BLK_ADDR_TX_MISC);
2078 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2079 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2080 BCM5708S_BLK_ADDR_DIG);
2081 }
2082 }
2083 return 0;
2084 }
2085
2086 static int
2087 bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
2088 {
2089 if (reset_phy)
2090 bnx2_reset_phy(bp);
2091
2092 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
2093
2094 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2095 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
2096
2097 if (bp->dev->mtu > 1500) {
2098 u32 val;
2099
2100 /* Set extended packet length bit */
2101 bnx2_write_phy(bp, 0x18, 0x7);
2102 bnx2_read_phy(bp, 0x18, &val);
2103 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2104
2105 bnx2_write_phy(bp, 0x1c, 0x6c00);
2106 bnx2_read_phy(bp, 0x1c, &val);
2107 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2108 }
2109 else {
2110 u32 val;
2111
2112 bnx2_write_phy(bp, 0x18, 0x7);
2113 bnx2_read_phy(bp, 0x18, &val);
2114 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2115
2116 bnx2_write_phy(bp, 0x1c, 0x6c00);
2117 bnx2_read_phy(bp, 0x1c, &val);
2118 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2119 }
2120
2121 return 0;
2122 }
2123
2124 static int
2125 bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2126 {
2127 u32 val;
2128
2129 if (reset_phy)
2130 bnx2_reset_phy(bp);
2131
2132 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2133 bnx2_write_phy(bp, 0x18, 0x0c00);
2134 bnx2_write_phy(bp, 0x17, 0x000a);
2135 bnx2_write_phy(bp, 0x15, 0x310b);
2136 bnx2_write_phy(bp, 0x17, 0x201f);
2137 bnx2_write_phy(bp, 0x15, 0x9506);
2138 bnx2_write_phy(bp, 0x17, 0x401f);
2139 bnx2_write_phy(bp, 0x15, 0x14e2);
2140 bnx2_write_phy(bp, 0x18, 0x0400);
2141 }
2142
2143 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2144 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2145 MII_BNX2_DSP_EXPAND_REG | 0x8);
2146 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2147 val &= ~(1 << 8);
2148 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2149 }
2150
2151 if (bp->dev->mtu > 1500) {
2152 /* Set extended packet length bit */
2153 bnx2_write_phy(bp, 0x18, 0x7);
2154 bnx2_read_phy(bp, 0x18, &val);
2155 bnx2_write_phy(bp, 0x18, val | 0x4000);
2156
2157 bnx2_read_phy(bp, 0x10, &val);
2158 bnx2_write_phy(bp, 0x10, val | 0x1);
2159 }
2160 else {
2161 bnx2_write_phy(bp, 0x18, 0x7);
2162 bnx2_read_phy(bp, 0x18, &val);
2163 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2164
2165 bnx2_read_phy(bp, 0x10, &val);
2166 bnx2_write_phy(bp, 0x10, val & ~0x1);
2167 }
2168
2169 /* ethernet@wirespeed */
2170 bnx2_write_phy(bp, 0x18, 0x7007);
2171 bnx2_read_phy(bp, 0x18, &val);
2172 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2173 return 0;
2174 }
2175
2176
2177 static int
2178 bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2179 {
2180 u32 val;
2181 int rc = 0;
2182
2183 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2184 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2185
2186 bp->mii_bmcr = MII_BMCR;
2187 bp->mii_bmsr = MII_BMSR;
2188 bp->mii_bmsr1 = MII_BMSR;
2189 bp->mii_adv = MII_ADVERTISE;
2190 bp->mii_lpa = MII_LPA;
2191
2192 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2193
2194 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2195 goto setup_phy;
2196
2197 bnx2_read_phy(bp, MII_PHYSID1, &val);
2198 bp->phy_id = val << 16;
2199 bnx2_read_phy(bp, MII_PHYSID2, &val);
2200 bp->phy_id |= val & 0xffff;
2201
2202 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2203 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2204 rc = bnx2_init_5706s_phy(bp, reset_phy);
2205 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2206 rc = bnx2_init_5708s_phy(bp, reset_phy);
2207 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2208 rc = bnx2_init_5709s_phy(bp, reset_phy);
2209 }
2210 else {
2211 rc = bnx2_init_copper_phy(bp, reset_phy);
2212 }
2213
2214 setup_phy:
2215 if (!rc)
2216 rc = bnx2_setup_phy(bp, bp->phy_port);
2217
2218 return rc;
2219 }
2220
2221 static int
2222 bnx2_set_mac_loopback(struct bnx2 *bp)
2223 {
2224 u32 mac_mode;
2225
2226 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2227 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2228 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2229 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2230 bp->link_up = 1;
2231 return 0;
2232 }
2233
2234 static int bnx2_test_link(struct bnx2 *);
2235
2236 static int
2237 bnx2_set_phy_loopback(struct bnx2 *bp)
2238 {
2239 u32 mac_mode;
2240 int rc, i;
2241
2242 spin_lock_bh(&bp->phy_lock);
2243 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2244 BMCR_SPEED1000);
2245 spin_unlock_bh(&bp->phy_lock);
2246 if (rc)
2247 return rc;
2248
2249 for (i = 0; i < 10; i++) {
2250 if (bnx2_test_link(bp) == 0)
2251 break;
2252 msleep(100);
2253 }
2254
2255 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2256 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2257 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2258 BNX2_EMAC_MODE_25G_MODE);
2259
2260 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2261 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2262 bp->link_up = 1;
2263 return 0;
2264 }
2265
2266 static int
2267 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
2268 {
2269 int i;
2270 u32 val;
2271
2272 bp->fw_wr_seq++;
2273 msg_data |= bp->fw_wr_seq;
2274
2275 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2276
2277 if (!ack)
2278 return 0;
2279
2280 /* wait for an acknowledgement. */
2281 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
2282 msleep(10);
2283
2284 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2285
2286 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2287 break;
2288 }
2289 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2290 return 0;
2291
2292 /* If we timed out, inform the firmware that this is the case. */
2293 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2294 if (!silent)
2295 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2296 "%x\n", msg_data);
2297
2298 msg_data &= ~BNX2_DRV_MSG_CODE;
2299 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2300
2301 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2302
2303 return -EBUSY;
2304 }
2305
2306 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2307 return -EIO;
2308
2309 return 0;
2310 }
2311
2312 static int
2313 bnx2_init_5709_context(struct bnx2 *bp)
2314 {
2315 int i, ret = 0;
2316 u32 val;
2317
2318 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2319 val |= (BCM_PAGE_BITS - 8) << 16;
2320 REG_WR(bp, BNX2_CTX_COMMAND, val);
2321 for (i = 0; i < 10; i++) {
2322 val = REG_RD(bp, BNX2_CTX_COMMAND);
2323 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2324 break;
2325 udelay(2);
2326 }
2327 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2328 return -EBUSY;
2329
2330 for (i = 0; i < bp->ctx_pages; i++) {
2331 int j;
2332
2333 if (bp->ctx_blk[i])
2334 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2335 else
2336 return -ENOMEM;
2337
2338 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2339 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2340 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2341 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2342 (u64) bp->ctx_blk_mapping[i] >> 32);
2343 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2344 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2345 for (j = 0; j < 10; j++) {
2346
2347 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2348 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2349 break;
2350 udelay(5);
2351 }
2352 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2353 ret = -EBUSY;
2354 break;
2355 }
2356 }
2357 return ret;
2358 }
2359
2360 static void
2361 bnx2_init_context(struct bnx2 *bp)
2362 {
2363 u32 vcid;
2364
2365 vcid = 96;
2366 while (vcid) {
2367 u32 vcid_addr, pcid_addr, offset;
2368 int i;
2369
2370 vcid--;
2371
2372 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2373 u32 new_vcid;
2374
2375 vcid_addr = GET_PCID_ADDR(vcid);
2376 if (vcid & 0x8) {
2377 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2378 }
2379 else {
2380 new_vcid = vcid;
2381 }
2382 pcid_addr = GET_PCID_ADDR(new_vcid);
2383 }
2384 else {
2385 vcid_addr = GET_CID_ADDR(vcid);
2386 pcid_addr = vcid_addr;
2387 }
2388
2389 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2390 vcid_addr += (i << PHY_CTX_SHIFT);
2391 pcid_addr += (i << PHY_CTX_SHIFT);
2392
2393 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2394 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2395
2396 /* Zero out the context. */
2397 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2398 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2399 }
2400 }
2401 }
2402
2403 static int
2404 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2405 {
2406 u16 *good_mbuf;
2407 u32 good_mbuf_cnt;
2408 u32 val;
2409
2410 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2411 if (good_mbuf == NULL) {
2412 printk(KERN_ERR PFX "Failed to allocate memory in "
2413 "bnx2_alloc_bad_rbuf\n");
2414 return -ENOMEM;
2415 }
2416
2417 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2418 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2419
2420 good_mbuf_cnt = 0;
2421
2422 /* Allocate a bunch of mbufs and save the good ones in an array. */
2423 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2424 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2425 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2426 BNX2_RBUF_COMMAND_ALLOC_REQ);
2427
2428 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2429
2430 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2431
2432 /* The addresses with Bit 9 set are bad memory blocks. */
2433 if (!(val & (1 << 9))) {
2434 good_mbuf[good_mbuf_cnt] = (u16) val;
2435 good_mbuf_cnt++;
2436 }
2437
2438 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2439 }
2440
2441 /* Free the good ones back to the mbuf pool thus discarding
2442 * all the bad ones. */
2443 while (good_mbuf_cnt) {
2444 good_mbuf_cnt--;
2445
2446 val = good_mbuf[good_mbuf_cnt];
2447 val = (val << 9) | val | 1;
2448
2449 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2450 }
2451 kfree(good_mbuf);
2452 return 0;
2453 }
2454
2455 static void
2456 bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
2457 {
2458 u32 val;
2459
2460 val = (mac_addr[0] << 8) | mac_addr[1];
2461
2462 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
2463
2464 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2465 (mac_addr[4] << 8) | mac_addr[5];
2466
2467 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
2468 }
2469
2470 static inline int
2471 bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2472 {
2473 dma_addr_t mapping;
2474 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2475 struct rx_bd *rxbd =
2476 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2477 struct page *page = alloc_page(GFP_ATOMIC);
2478
2479 if (!page)
2480 return -ENOMEM;
2481 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2482 PCI_DMA_FROMDEVICE);
2483 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2484 __free_page(page);
2485 return -EIO;
2486 }
2487
2488 rx_pg->page = page;
2489 pci_unmap_addr_set(rx_pg, mapping, mapping);
2490 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2491 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2492 return 0;
2493 }
2494
2495 static void
2496 bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2497 {
2498 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2499 struct page *page = rx_pg->page;
2500
2501 if (!page)
2502 return;
2503
2504 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2505 PCI_DMA_FROMDEVICE);
2506
2507 __free_page(page);
2508 rx_pg->page = NULL;
2509 }
2510
2511 static inline int
2512 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2513 {
2514 struct sk_buff *skb;
2515 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
2516 dma_addr_t mapping;
2517 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2518 unsigned long align;
2519
2520 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2521 if (skb == NULL) {
2522 return -ENOMEM;
2523 }
2524
2525 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2526 skb_reserve(skb, BNX2_RX_ALIGN - align);
2527
2528 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2529 PCI_DMA_FROMDEVICE);
2530 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2531 dev_kfree_skb(skb);
2532 return -EIO;
2533 }
2534
2535 rx_buf->skb = skb;
2536 pci_unmap_addr_set(rx_buf, mapping, mapping);
2537
2538 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2539 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2540
2541 rxr->rx_prod_bseq += bp->rx_buf_use_size;
2542
2543 return 0;
2544 }
2545
2546 static int
2547 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2548 {
2549 struct status_block *sblk = bnapi->status_blk.msi;
2550 u32 new_link_state, old_link_state;
2551 int is_set = 1;
2552
2553 new_link_state = sblk->status_attn_bits & event;
2554 old_link_state = sblk->status_attn_bits_ack & event;
2555 if (new_link_state != old_link_state) {
2556 if (new_link_state)
2557 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2558 else
2559 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2560 } else
2561 is_set = 0;
2562
2563 return is_set;
2564 }
2565
2566 static void
2567 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2568 {
2569 spin_lock(&bp->phy_lock);
2570
2571 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2572 bnx2_set_link(bp);
2573 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2574 bnx2_set_remote_link(bp);
2575
2576 spin_unlock(&bp->phy_lock);
2577
2578 }
2579
2580 static inline u16
2581 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2582 {
2583 u16 cons;
2584
2585 /* Tell compiler that status block fields can change. */
2586 barrier();
2587 cons = *bnapi->hw_tx_cons_ptr;
2588 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2589 cons++;
2590 return cons;
2591 }
2592
2593 static int
2594 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2595 {
2596 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
2597 u16 hw_cons, sw_cons, sw_ring_cons;
2598 int tx_pkt = 0, index;
2599 struct netdev_queue *txq;
2600
2601 index = (bnapi - bp->bnx2_napi);
2602 txq = netdev_get_tx_queue(bp->dev, index);
2603
2604 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2605 sw_cons = txr->tx_cons;
2606
2607 while (sw_cons != hw_cons) {
2608 struct sw_tx_bd *tx_buf;
2609 struct sk_buff *skb;
2610 int i, last;
2611
2612 sw_ring_cons = TX_RING_IDX(sw_cons);
2613
2614 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
2615 skb = tx_buf->skb;
2616
2617 /* partial BD completions possible with TSO packets */
2618 if (skb_is_gso(skb)) {
2619 u16 last_idx, last_ring_idx;
2620
2621 last_idx = sw_cons +
2622 skb_shinfo(skb)->nr_frags + 1;
2623 last_ring_idx = sw_ring_cons +
2624 skb_shinfo(skb)->nr_frags + 1;
2625 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2626 last_idx++;
2627 }
2628 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2629 break;
2630 }
2631 }
2632
2633 skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
2634
2635 tx_buf->skb = NULL;
2636 last = skb_shinfo(skb)->nr_frags;
2637
2638 for (i = 0; i < last; i++) {
2639 sw_cons = NEXT_TX_BD(sw_cons);
2640 }
2641
2642 sw_cons = NEXT_TX_BD(sw_cons);
2643
2644 dev_kfree_skb(skb);
2645 tx_pkt++;
2646 if (tx_pkt == budget)
2647 break;
2648
2649 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2650 }
2651
2652 txr->hw_tx_cons = hw_cons;
2653 txr->tx_cons = sw_cons;
2654
2655 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2656 * before checking for netif_tx_queue_stopped(). Without the
2657 * memory barrier, there is a small possibility that bnx2_start_xmit()
2658 * will miss it and cause the queue to be stopped forever.
2659 */
2660 smp_mb();
2661
2662 if (unlikely(netif_tx_queue_stopped(txq)) &&
2663 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
2664 __netif_tx_lock(txq, smp_processor_id());
2665 if ((netif_tx_queue_stopped(txq)) &&
2666 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
2667 netif_tx_wake_queue(txq);
2668 __netif_tx_unlock(txq);
2669 }
2670
2671 return tx_pkt;
2672 }
2673
2674 static void
2675 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2676 struct sk_buff *skb, int count)
2677 {
2678 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2679 struct rx_bd *cons_bd, *prod_bd;
2680 int i;
2681 u16 hw_prod, prod;
2682 u16 cons = rxr->rx_pg_cons;
2683
2684 cons_rx_pg = &rxr->rx_pg_ring[cons];
2685
2686 /* The caller was unable to allocate a new page to replace the
2687 * last one in the frags array, so we need to recycle that page
2688 * and then free the skb.
2689 */
2690 if (skb) {
2691 struct page *page;
2692 struct skb_shared_info *shinfo;
2693
2694 shinfo = skb_shinfo(skb);
2695 shinfo->nr_frags--;
2696 page = shinfo->frags[shinfo->nr_frags].page;
2697 shinfo->frags[shinfo->nr_frags].page = NULL;
2698
2699 cons_rx_pg->page = page;
2700 dev_kfree_skb(skb);
2701 }
2702
2703 hw_prod = rxr->rx_pg_prod;
2704
2705 for (i = 0; i < count; i++) {
2706 prod = RX_PG_RING_IDX(hw_prod);
2707
2708 prod_rx_pg = &rxr->rx_pg_ring[prod];
2709 cons_rx_pg = &rxr->rx_pg_ring[cons];
2710 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2711 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2712
2713 if (prod != cons) {
2714 prod_rx_pg->page = cons_rx_pg->page;
2715 cons_rx_pg->page = NULL;
2716 pci_unmap_addr_set(prod_rx_pg, mapping,
2717 pci_unmap_addr(cons_rx_pg, mapping));
2718
2719 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2720 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2721
2722 }
2723 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2724 hw_prod = NEXT_RX_BD(hw_prod);
2725 }
2726 rxr->rx_pg_prod = hw_prod;
2727 rxr->rx_pg_cons = cons;
2728 }
2729
2730 static inline void
2731 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2732 struct sk_buff *skb, u16 cons, u16 prod)
2733 {
2734 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2735 struct rx_bd *cons_bd, *prod_bd;
2736
2737 cons_rx_buf = &rxr->rx_buf_ring[cons];
2738 prod_rx_buf = &rxr->rx_buf_ring[prod];
2739
2740 pci_dma_sync_single_for_device(bp->pdev,
2741 pci_unmap_addr(cons_rx_buf, mapping),
2742 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2743
2744 rxr->rx_prod_bseq += bp->rx_buf_use_size;
2745
2746 prod_rx_buf->skb = skb;
2747
2748 if (cons == prod)
2749 return;
2750
2751 pci_unmap_addr_set(prod_rx_buf, mapping,
2752 pci_unmap_addr(cons_rx_buf, mapping));
2753
2754 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2755 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2756 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2757 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2758 }
2759
2760 static int
2761 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
2762 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2763 u32 ring_idx)
2764 {
2765 int err;
2766 u16 prod = ring_idx & 0xffff;
2767
2768 err = bnx2_alloc_rx_skb(bp, rxr, prod);
2769 if (unlikely(err)) {
2770 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
2771 if (hdr_len) {
2772 unsigned int raw_len = len + 4;
2773 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2774
2775 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
2776 }
2777 return err;
2778 }
2779
2780 skb_reserve(skb, BNX2_RX_OFFSET);
2781 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2782 PCI_DMA_FROMDEVICE);
2783
2784 if (hdr_len == 0) {
2785 skb_put(skb, len);
2786 return 0;
2787 } else {
2788 unsigned int i, frag_len, frag_size, pages;
2789 struct sw_pg *rx_pg;
2790 u16 pg_cons = rxr->rx_pg_cons;
2791 u16 pg_prod = rxr->rx_pg_prod;
2792
2793 frag_size = len + 4 - hdr_len;
2794 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2795 skb_put(skb, hdr_len);
2796
2797 for (i = 0; i < pages; i++) {
2798 dma_addr_t mapping_old;
2799
2800 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2801 if (unlikely(frag_len <= 4)) {
2802 unsigned int tail = 4 - frag_len;
2803
2804 rxr->rx_pg_cons = pg_cons;
2805 rxr->rx_pg_prod = pg_prod;
2806 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
2807 pages - i);
2808 skb->len -= tail;
2809 if (i == 0) {
2810 skb->tail -= tail;
2811 } else {
2812 skb_frag_t *frag =
2813 &skb_shinfo(skb)->frags[i - 1];
2814 frag->size -= tail;
2815 skb->data_len -= tail;
2816 skb->truesize -= tail;
2817 }
2818 return 0;
2819 }
2820 rx_pg = &rxr->rx_pg_ring[pg_cons];
2821
2822 /* Don't unmap yet. If we're unable to allocate a new
2823 * page, we need to recycle the page and the DMA addr.
2824 */
2825 mapping_old = pci_unmap_addr(rx_pg, mapping);
2826 if (i == pages - 1)
2827 frag_len -= 4;
2828
2829 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2830 rx_pg->page = NULL;
2831
2832 err = bnx2_alloc_rx_page(bp, rxr,
2833 RX_PG_RING_IDX(pg_prod));
2834 if (unlikely(err)) {
2835 rxr->rx_pg_cons = pg_cons;
2836 rxr->rx_pg_prod = pg_prod;
2837 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
2838 pages - i);
2839 return err;
2840 }
2841
2842 pci_unmap_page(bp->pdev, mapping_old,
2843 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2844
2845 frag_size -= frag_len;
2846 skb->data_len += frag_len;
2847 skb->truesize += frag_len;
2848 skb->len += frag_len;
2849
2850 pg_prod = NEXT_RX_BD(pg_prod);
2851 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2852 }
2853 rxr->rx_pg_prod = pg_prod;
2854 rxr->rx_pg_cons = pg_cons;
2855 }
2856 return 0;
2857 }
2858
2859 static inline u16
2860 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2861 {
2862 u16 cons;
2863
2864 /* Tell compiler that status block fields can change. */
2865 barrier();
2866 cons = *bnapi->hw_rx_cons_ptr;
2867 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2868 cons++;
2869 return cons;
2870 }
2871
2872 static int
2873 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2874 {
2875 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
2876 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2877 struct l2_fhdr *rx_hdr;
2878 int rx_pkt = 0, pg_ring_used = 0;
2879
2880 hw_cons = bnx2_get_hw_rx_cons(bnapi);
2881 sw_cons = rxr->rx_cons;
2882 sw_prod = rxr->rx_prod;
2883
2884 /* Memory barrier necessary as speculative reads of the rx
2885 * buffer can be ahead of the index in the status block
2886 */
2887 rmb();
2888 while (sw_cons != hw_cons) {
2889 unsigned int len, hdr_len;
2890 u32 status;
2891 struct sw_bd *rx_buf;
2892 struct sk_buff *skb;
2893 dma_addr_t dma_addr;
2894 u16 vtag = 0;
2895 int hw_vlan __maybe_unused = 0;
2896
2897 sw_ring_cons = RX_RING_IDX(sw_cons);
2898 sw_ring_prod = RX_RING_IDX(sw_prod);
2899
2900 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
2901 skb = rx_buf->skb;
2902
2903 rx_buf->skb = NULL;
2904
2905 dma_addr = pci_unmap_addr(rx_buf, mapping);
2906
2907 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2908 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
2909 PCI_DMA_FROMDEVICE);
2910
2911 rx_hdr = (struct l2_fhdr *) skb->data;
2912 len = rx_hdr->l2_fhdr_pkt_len;
2913
2914 if ((status = rx_hdr->l2_fhdr_status) &
2915 (L2_FHDR_ERRORS_BAD_CRC |
2916 L2_FHDR_ERRORS_PHY_DECODE |
2917 L2_FHDR_ERRORS_ALIGNMENT |
2918 L2_FHDR_ERRORS_TOO_SHORT |
2919 L2_FHDR_ERRORS_GIANT_FRAME)) {
2920
2921 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
2922 sw_ring_prod);
2923 goto next_rx;
2924 }
2925 hdr_len = 0;
2926 if (status & L2_FHDR_STATUS_SPLIT) {
2927 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2928 pg_ring_used = 1;
2929 } else if (len > bp->rx_jumbo_thresh) {
2930 hdr_len = bp->rx_jumbo_thresh;
2931 pg_ring_used = 1;
2932 }
2933
2934 len -= 4;
2935
2936 if (len <= bp->rx_copy_thresh) {
2937 struct sk_buff *new_skb;
2938
2939 new_skb = netdev_alloc_skb(bp->dev, len + 6);
2940 if (new_skb == NULL) {
2941 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
2942 sw_ring_prod);
2943 goto next_rx;
2944 }
2945
2946 /* aligned copy */
2947 skb_copy_from_linear_data_offset(skb,
2948 BNX2_RX_OFFSET - 6,
2949 new_skb->data, len + 6);
2950 skb_reserve(new_skb, 6);
2951 skb_put(new_skb, len);
2952
2953 bnx2_reuse_rx_skb(bp, rxr, skb,
2954 sw_ring_cons, sw_ring_prod);
2955
2956 skb = new_skb;
2957 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
2958 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2959 goto next_rx;
2960
2961 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
2962 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
2963 vtag = rx_hdr->l2_fhdr_vlan_tag;
2964 #ifdef BCM_VLAN
2965 if (bp->vlgrp)
2966 hw_vlan = 1;
2967 else
2968 #endif
2969 {
2970 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
2971 __skb_push(skb, 4);
2972
2973 memmove(ve, skb->data + 4, ETH_ALEN * 2);
2974 ve->h_vlan_proto = htons(ETH_P_8021Q);
2975 ve->h_vlan_TCI = htons(vtag);
2976 len += 4;
2977 }
2978 }
2979
2980 skb->protocol = eth_type_trans(skb, bp->dev);
2981
2982 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2983 (ntohs(skb->protocol) != 0x8100)) {
2984
2985 dev_kfree_skb(skb);
2986 goto next_rx;
2987
2988 }
2989
2990 skb->ip_summed = CHECKSUM_NONE;
2991 if (bp->rx_csum &&
2992 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2993 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2994
2995 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2996 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2997 skb->ip_summed = CHECKSUM_UNNECESSARY;
2998 }
2999
3000 #ifdef BCM_VLAN
3001 if (hw_vlan)
3002 vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
3003 else
3004 #endif
3005 netif_receive_skb(skb);
3006
3007 rx_pkt++;
3008
3009 next_rx:
3010 sw_cons = NEXT_RX_BD(sw_cons);
3011 sw_prod = NEXT_RX_BD(sw_prod);
3012
3013 if ((rx_pkt == budget))
3014 break;
3015
3016 /* Refresh hw_cons to see if there is new work */
3017 if (sw_cons == hw_cons) {
3018 hw_cons = bnx2_get_hw_rx_cons(bnapi);
3019 rmb();
3020 }
3021 }
3022 rxr->rx_cons = sw_cons;
3023 rxr->rx_prod = sw_prod;
3024
3025 if (pg_ring_used)
3026 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
3027
3028 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
3029
3030 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
3031
3032 mmiowb();
3033
3034 return rx_pkt;
3035
3036 }
3037
3038 /* MSI ISR - The only difference between this and the INTx ISR
3039 * is that the MSI interrupt is always serviced.
3040 */
3041 static irqreturn_t
3042 bnx2_msi(int irq, void *dev_instance)
3043 {
3044 struct bnx2_napi *bnapi = dev_instance;
3045 struct bnx2 *bp = bnapi->bp;
3046
3047 prefetch(bnapi->status_blk.msi);
3048 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3049 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3050 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3051
3052 /* Return here if interrupt is disabled. */
3053 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3054 return IRQ_HANDLED;
3055
3056 netif_rx_schedule(&bnapi->napi);
3057
3058 return IRQ_HANDLED;
3059 }
3060
3061 static irqreturn_t
3062 bnx2_msi_1shot(int irq, void *dev_instance)
3063 {
3064 struct bnx2_napi *bnapi = dev_instance;
3065 struct bnx2 *bp = bnapi->bp;
3066
3067 prefetch(bnapi->status_blk.msi);
3068
3069 /* Return here if interrupt is disabled. */
3070 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3071 return IRQ_HANDLED;
3072
3073 netif_rx_schedule(&bnapi->napi);
3074
3075 return IRQ_HANDLED;
3076 }
3077
3078 static irqreturn_t
3079 bnx2_interrupt(int irq, void *dev_instance)
3080 {
3081 struct bnx2_napi *bnapi = dev_instance;
3082 struct bnx2 *bp = bnapi->bp;
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(&bnapi->napi)) {
3110 bnapi->last_status_idx = sblk->status_idx;
3111 __netif_rx_schedule(&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(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(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, mtu;
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 mtu = bp->dev->mtu;
4589 val = mtu + ETH_HLEN + ETH_FCS_LEN;
4590 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4591 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4592 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4593
4594 if (mtu < 1500)
4595 mtu = 1500;
4596
4597 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4598 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4599 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4600
4601 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4602 bp->bnx2_napi[i].last_status_idx = 0;
4603
4604 bp->idle_chk_status_idx = 0xffff;
4605
4606 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4607
4608 /* Set up how to generate a link change interrupt. */
4609 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4610
4611 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4612 (u64) bp->status_blk_mapping & 0xffffffff);
4613 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4614
4615 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4616 (u64) bp->stats_blk_mapping & 0xffffffff);
4617 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4618 (u64) bp->stats_blk_mapping >> 32);
4619
4620 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4621 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4622
4623 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4624 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4625
4626 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4627 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4628
4629 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4630
4631 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4632
4633 REG_WR(bp, BNX2_HC_COM_TICKS,
4634 (bp->com_ticks_int << 16) | bp->com_ticks);
4635
4636 REG_WR(bp, BNX2_HC_CMD_TICKS,
4637 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4638
4639 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4640 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4641 else
4642 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4643 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4644
4645 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4646 val = BNX2_HC_CONFIG_COLLECT_STATS;
4647 else {
4648 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4649 BNX2_HC_CONFIG_COLLECT_STATS;
4650 }
4651
4652 if (bp->irq_nvecs > 1) {
4653 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4654 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4655
4656 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4657 }
4658
4659 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4660 val |= BNX2_HC_CONFIG_ONE_SHOT;
4661
4662 REG_WR(bp, BNX2_HC_CONFIG, val);
4663
4664 for (i = 1; i < bp->irq_nvecs; i++) {
4665 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4666 BNX2_HC_SB_CONFIG_1;
4667
4668 REG_WR(bp, base,
4669 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4670 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
4671 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4672
4673 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4674 (bp->tx_quick_cons_trip_int << 16) |
4675 bp->tx_quick_cons_trip);
4676
4677 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4678 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4679
4680 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4681 (bp->rx_quick_cons_trip_int << 16) |
4682 bp->rx_quick_cons_trip);
4683
4684 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4685 (bp->rx_ticks_int << 16) | bp->rx_ticks);
4686 }
4687
4688 /* Clear internal stats counters. */
4689 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4690
4691 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4692
4693 /* Initialize the receive filter. */
4694 bnx2_set_rx_mode(bp->dev);
4695
4696 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4697 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4698 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4699 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4700 }
4701 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4702 1, 0);
4703
4704 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4705 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4706
4707 udelay(20);
4708
4709 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4710
4711 return rc;
4712 }
4713
4714 static void
4715 bnx2_clear_ring_states(struct bnx2 *bp)
4716 {
4717 struct bnx2_napi *bnapi;
4718 struct bnx2_tx_ring_info *txr;
4719 struct bnx2_rx_ring_info *rxr;
4720 int i;
4721
4722 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4723 bnapi = &bp->bnx2_napi[i];
4724 txr = &bnapi->tx_ring;
4725 rxr = &bnapi->rx_ring;
4726
4727 txr->tx_cons = 0;
4728 txr->hw_tx_cons = 0;
4729 rxr->rx_prod_bseq = 0;
4730 rxr->rx_prod = 0;
4731 rxr->rx_cons = 0;
4732 rxr->rx_pg_prod = 0;
4733 rxr->rx_pg_cons = 0;
4734 }
4735 }
4736
4737 static void
4738 bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
4739 {
4740 u32 val, offset0, offset1, offset2, offset3;
4741 u32 cid_addr = GET_CID_ADDR(cid);
4742
4743 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4744 offset0 = BNX2_L2CTX_TYPE_XI;
4745 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4746 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4747 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4748 } else {
4749 offset0 = BNX2_L2CTX_TYPE;
4750 offset1 = BNX2_L2CTX_CMD_TYPE;
4751 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4752 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4753 }
4754 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4755 bnx2_ctx_wr(bp, cid_addr, offset0, val);
4756
4757 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4758 bnx2_ctx_wr(bp, cid_addr, offset1, val);
4759
4760 val = (u64) txr->tx_desc_mapping >> 32;
4761 bnx2_ctx_wr(bp, cid_addr, offset2, val);
4762
4763 val = (u64) txr->tx_desc_mapping & 0xffffffff;
4764 bnx2_ctx_wr(bp, cid_addr, offset3, val);
4765 }
4766
4767 static void
4768 bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
4769 {
4770 struct tx_bd *txbd;
4771 u32 cid = TX_CID;
4772 struct bnx2_napi *bnapi;
4773 struct bnx2_tx_ring_info *txr;
4774
4775 bnapi = &bp->bnx2_napi[ring_num];
4776 txr = &bnapi->tx_ring;
4777
4778 if (ring_num == 0)
4779 cid = TX_CID;
4780 else
4781 cid = TX_TSS_CID + ring_num - 1;
4782
4783 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4784
4785 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
4786
4787 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
4788 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
4789
4790 txr->tx_prod = 0;
4791 txr->tx_prod_bseq = 0;
4792
4793 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4794 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4795
4796 bnx2_init_tx_context(bp, cid, txr);
4797 }
4798
4799 static void
4800 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4801 int num_rings)
4802 {
4803 int i;
4804 struct rx_bd *rxbd;
4805
4806 for (i = 0; i < num_rings; i++) {
4807 int j;
4808
4809 rxbd = &rx_ring[i][0];
4810 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4811 rxbd->rx_bd_len = buf_size;
4812 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4813 }
4814 if (i == (num_rings - 1))
4815 j = 0;
4816 else
4817 j = i + 1;
4818 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4819 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4820 }
4821 }
4822
4823 static void
4824 bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
4825 {
4826 int i;
4827 u16 prod, ring_prod;
4828 u32 cid, rx_cid_addr, val;
4829 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
4830 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
4831
4832 if (ring_num == 0)
4833 cid = RX_CID;
4834 else
4835 cid = RX_RSS_CID + ring_num - 1;
4836
4837 rx_cid_addr = GET_CID_ADDR(cid);
4838
4839 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
4840 bp->rx_buf_use_size, bp->rx_max_ring);
4841
4842 bnx2_init_rx_context(bp, cid);
4843
4844 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4845 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4846 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4847 }
4848
4849 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4850 if (bp->rx_pg_ring_size) {
4851 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
4852 rxr->rx_pg_desc_mapping,
4853 PAGE_SIZE, bp->rx_max_pg_ring);
4854 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4855 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4856 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4857 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
4858
4859 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
4860 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4861
4862 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
4863 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4864
4865 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4866 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4867 }
4868
4869 val = (u64) rxr->rx_desc_mapping[0] >> 32;
4870 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4871
4872 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
4873 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4874
4875 ring_prod = prod = rxr->rx_pg_prod;
4876 for (i = 0; i < bp->rx_pg_ring_size; i++) {
4877 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
4878 break;
4879 prod = NEXT_RX_BD(prod);
4880 ring_prod = RX_PG_RING_IDX(prod);
4881 }
4882 rxr->rx_pg_prod = prod;
4883
4884 ring_prod = prod = rxr->rx_prod;
4885 for (i = 0; i < bp->rx_ring_size; i++) {
4886 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
4887 break;
4888 prod = NEXT_RX_BD(prod);
4889 ring_prod = RX_RING_IDX(prod);
4890 }
4891 rxr->rx_prod = prod;
4892
4893 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
4894 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
4895 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
4896
4897 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
4898 REG_WR16(bp, rxr->rx_bidx_addr, prod);
4899
4900 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
4901 }
4902
4903 static void
4904 bnx2_init_all_rings(struct bnx2 *bp)
4905 {
4906 int i;
4907 u32 val;
4908
4909 bnx2_clear_ring_states(bp);
4910
4911 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
4912 for (i = 0; i < bp->num_tx_rings; i++)
4913 bnx2_init_tx_ring(bp, i);
4914
4915 if (bp->num_tx_rings > 1)
4916 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
4917 (TX_TSS_CID << 7));
4918
4919 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
4920 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
4921
4922 for (i = 0; i < bp->num_rx_rings; i++)
4923 bnx2_init_rx_ring(bp, i);
4924
4925 if (bp->num_rx_rings > 1) {
4926 u32 tbl_32;
4927 u8 *tbl = (u8 *) &tbl_32;
4928
4929 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
4930 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
4931
4932 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
4933 tbl[i % 4] = i % (bp->num_rx_rings - 1);
4934 if ((i % 4) == 3)
4935 bnx2_reg_wr_ind(bp,
4936 BNX2_RXP_SCRATCH_RSS_TBL + i,
4937 cpu_to_be32(tbl_32));
4938 }
4939
4940 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
4941 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
4942
4943 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
4944
4945 }
4946 }
4947
4948 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4949 {
4950 u32 max, num_rings = 1;
4951
4952 while (ring_size > MAX_RX_DESC_CNT) {
4953 ring_size -= MAX_RX_DESC_CNT;
4954 num_rings++;
4955 }
4956 /* round to next power of 2 */
4957 max = max_size;
4958 while ((max & num_rings) == 0)
4959 max >>= 1;
4960
4961 if (num_rings != max)
4962 max <<= 1;
4963
4964 return max;
4965 }
4966
4967 static void
4968 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4969 {
4970 u32 rx_size, rx_space, jumbo_size;
4971
4972 /* 8 for CRC and VLAN */
4973 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
4974
4975 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4976 sizeof(struct skb_shared_info);
4977
4978 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
4979 bp->rx_pg_ring_size = 0;
4980 bp->rx_max_pg_ring = 0;
4981 bp->rx_max_pg_ring_idx = 0;
4982 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4983 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4984
4985 jumbo_size = size * pages;
4986 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4987 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4988
4989 bp->rx_pg_ring_size = jumbo_size;
4990 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4991 MAX_RX_PG_RINGS);
4992 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4993 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
4994 bp->rx_copy_thresh = 0;
4995 }
4996
4997 bp->rx_buf_use_size = rx_size;
4998 /* hw alignment */
4999 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
5000 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5001 bp->rx_ring_size = size;
5002 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
5003 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5004 }
5005
5006 static void
5007 bnx2_free_tx_skbs(struct bnx2 *bp)
5008 {
5009 int i;
5010
5011 for (i = 0; i < bp->num_tx_rings; i++) {
5012 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5013 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5014 int j;
5015
5016 if (txr->tx_buf_ring == NULL)
5017 continue;
5018
5019 for (j = 0; j < TX_DESC_CNT; ) {
5020 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
5021 struct sk_buff *skb = tx_buf->skb;
5022
5023 if (skb == NULL) {
5024 j++;
5025 continue;
5026 }
5027
5028 skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
5029
5030 tx_buf->skb = NULL;
5031
5032 j += skb_shinfo(skb)->nr_frags + 1;
5033 dev_kfree_skb(skb);
5034 }
5035 }
5036 }
5037
5038 static void
5039 bnx2_free_rx_skbs(struct bnx2 *bp)
5040 {
5041 int i;
5042
5043 for (i = 0; i < bp->num_rx_rings; i++) {
5044 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5045 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5046 int j;
5047
5048 if (rxr->rx_buf_ring == NULL)
5049 return;
5050
5051 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5052 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5053 struct sk_buff *skb = rx_buf->skb;
5054
5055 if (skb == NULL)
5056 continue;
5057
5058 pci_unmap_single(bp->pdev,
5059 pci_unmap_addr(rx_buf, mapping),
5060 bp->rx_buf_use_size,
5061 PCI_DMA_FROMDEVICE);
5062
5063 rx_buf->skb = NULL;
5064
5065 dev_kfree_skb(skb);
5066 }
5067 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5068 bnx2_free_rx_page(bp, rxr, j);
5069 }
5070 }
5071
5072 static void
5073 bnx2_free_skbs(struct bnx2 *bp)
5074 {
5075 bnx2_free_tx_skbs(bp);
5076 bnx2_free_rx_skbs(bp);
5077 }
5078
5079 static int
5080 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5081 {
5082 int rc;
5083
5084 rc = bnx2_reset_chip(bp, reset_code);
5085 bnx2_free_skbs(bp);
5086 if (rc)
5087 return rc;
5088
5089 if ((rc = bnx2_init_chip(bp)) != 0)
5090 return rc;
5091
5092 bnx2_init_all_rings(bp);
5093 return 0;
5094 }
5095
5096 static int
5097 bnx2_init_nic(struct bnx2 *bp, int reset_phy)
5098 {
5099 int rc;
5100
5101 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5102 return rc;
5103
5104 spin_lock_bh(&bp->phy_lock);
5105 bnx2_init_phy(bp, reset_phy);
5106 bnx2_set_link(bp);
5107 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5108 bnx2_remote_phy_event(bp);
5109 spin_unlock_bh(&bp->phy_lock);
5110 return 0;
5111 }
5112
5113 static int
5114 bnx2_shutdown_chip(struct bnx2 *bp)
5115 {
5116 u32 reset_code;
5117
5118 if (bp->flags & BNX2_FLAG_NO_WOL)
5119 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5120 else if (bp->wol)
5121 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5122 else
5123 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5124
5125 return bnx2_reset_chip(bp, reset_code);
5126 }
5127
5128 static int
5129 bnx2_test_registers(struct bnx2 *bp)
5130 {
5131 int ret;
5132 int i, is_5709;
5133 static const struct {
5134 u16 offset;
5135 u16 flags;
5136 #define BNX2_FL_NOT_5709 1
5137 u32 rw_mask;
5138 u32 ro_mask;
5139 } reg_tbl[] = {
5140 { 0x006c, 0, 0x00000000, 0x0000003f },
5141 { 0x0090, 0, 0xffffffff, 0x00000000 },
5142 { 0x0094, 0, 0x00000000, 0x00000000 },
5143
5144 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5145 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5146 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5147 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5148 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5149 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5150 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5151 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5152 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5153
5154 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5155 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5156 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5157 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5158 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5159 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5160
5161 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5162 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5163 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
5164
5165 { 0x1000, 0, 0x00000000, 0x00000001 },
5166 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
5167
5168 { 0x1408, 0, 0x01c00800, 0x00000000 },
5169 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5170 { 0x14a8, 0, 0x00000000, 0x000001ff },
5171 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
5172 { 0x14b0, 0, 0x00000002, 0x00000001 },
5173 { 0x14b8, 0, 0x00000000, 0x00000000 },
5174 { 0x14c0, 0, 0x00000000, 0x00000009 },
5175 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5176 { 0x14cc, 0, 0x00000000, 0x00000001 },
5177 { 0x14d0, 0, 0xffffffff, 0x00000000 },
5178
5179 { 0x1800, 0, 0x00000000, 0x00000001 },
5180 { 0x1804, 0, 0x00000000, 0x00000003 },
5181
5182 { 0x2800, 0, 0x00000000, 0x00000001 },
5183 { 0x2804, 0, 0x00000000, 0x00003f01 },
5184 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5185 { 0x2810, 0, 0xffff0000, 0x00000000 },
5186 { 0x2814, 0, 0xffff0000, 0x00000000 },
5187 { 0x2818, 0, 0xffff0000, 0x00000000 },
5188 { 0x281c, 0, 0xffff0000, 0x00000000 },
5189 { 0x2834, 0, 0xffffffff, 0x00000000 },
5190 { 0x2840, 0, 0x00000000, 0xffffffff },
5191 { 0x2844, 0, 0x00000000, 0xffffffff },
5192 { 0x2848, 0, 0xffffffff, 0x00000000 },
5193 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5194
5195 { 0x2c00, 0, 0x00000000, 0x00000011 },
5196 { 0x2c04, 0, 0x00000000, 0x00030007 },
5197
5198 { 0x3c00, 0, 0x00000000, 0x00000001 },
5199 { 0x3c04, 0, 0x00000000, 0x00070000 },
5200 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5201 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5202 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5203 { 0x3c14, 0, 0x00000000, 0xffffffff },
5204 { 0x3c18, 0, 0x00000000, 0xffffffff },
5205 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5206 { 0x3c20, 0, 0xffffff00, 0x00000000 },
5207
5208 { 0x5004, 0, 0x00000000, 0x0000007f },
5209 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
5210
5211 { 0x5c00, 0, 0x00000000, 0x00000001 },
5212 { 0x5c04, 0, 0x00000000, 0x0003000f },
5213 { 0x5c08, 0, 0x00000003, 0x00000000 },
5214 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5215 { 0x5c10, 0, 0x00000000, 0xffffffff },
5216 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5217 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5218 { 0x5c88, 0, 0x00000000, 0x00077373 },
5219 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5220
5221 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5222 { 0x680c, 0, 0xffffffff, 0x00000000 },
5223 { 0x6810, 0, 0xffffffff, 0x00000000 },
5224 { 0x6814, 0, 0xffffffff, 0x00000000 },
5225 { 0x6818, 0, 0xffffffff, 0x00000000 },
5226 { 0x681c, 0, 0xffffffff, 0x00000000 },
5227 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5228 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5229 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5230 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5231 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5232 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5233 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5234 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5235 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5236 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5237 { 0x684c, 0, 0xffffffff, 0x00000000 },
5238 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5239 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5240 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5241 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5242 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5243 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5244
5245 { 0xffff, 0, 0x00000000, 0x00000000 },
5246 };
5247
5248 ret = 0;
5249 is_5709 = 0;
5250 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5251 is_5709 = 1;
5252
5253 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5254 u32 offset, rw_mask, ro_mask, save_val, val;
5255 u16 flags = reg_tbl[i].flags;
5256
5257 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5258 continue;
5259
5260 offset = (u32) reg_tbl[i].offset;
5261 rw_mask = reg_tbl[i].rw_mask;
5262 ro_mask = reg_tbl[i].ro_mask;
5263
5264 save_val = readl(bp->regview + offset);
5265
5266 writel(0, bp->regview + offset);
5267
5268 val = readl(bp->regview + offset);
5269 if ((val & rw_mask) != 0) {
5270 goto reg_test_err;
5271 }
5272
5273 if ((val & ro_mask) != (save_val & ro_mask)) {
5274 goto reg_test_err;
5275 }
5276
5277 writel(0xffffffff, bp->regview + offset);
5278
5279 val = readl(bp->regview + offset);
5280 if ((val & rw_mask) != rw_mask) {
5281 goto reg_test_err;
5282 }
5283
5284 if ((val & ro_mask) != (save_val & ro_mask)) {
5285 goto reg_test_err;
5286 }
5287
5288 writel(save_val, bp->regview + offset);
5289 continue;
5290
5291 reg_test_err:
5292 writel(save_val, bp->regview + offset);
5293 ret = -ENODEV;
5294 break;
5295 }
5296 return ret;
5297 }
5298
5299 static int
5300 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5301 {
5302 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5303 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5304 int i;
5305
5306 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5307 u32 offset;
5308
5309 for (offset = 0; offset < size; offset += 4) {
5310
5311 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5312
5313 if (bnx2_reg_rd_ind(bp, start + offset) !=
5314 test_pattern[i]) {
5315 return -ENODEV;
5316 }
5317 }
5318 }
5319 return 0;
5320 }
5321
5322 static int
5323 bnx2_test_memory(struct bnx2 *bp)
5324 {
5325 int ret = 0;
5326 int i;
5327 static struct mem_entry {
5328 u32 offset;
5329 u32 len;
5330 } mem_tbl_5706[] = {
5331 { 0x60000, 0x4000 },
5332 { 0xa0000, 0x3000 },
5333 { 0xe0000, 0x4000 },
5334 { 0x120000, 0x4000 },
5335 { 0x1a0000, 0x4000 },
5336 { 0x160000, 0x4000 },
5337 { 0xffffffff, 0 },
5338 },
5339 mem_tbl_5709[] = {
5340 { 0x60000, 0x4000 },
5341 { 0xa0000, 0x3000 },
5342 { 0xe0000, 0x4000 },
5343 { 0x120000, 0x4000 },
5344 { 0x1a0000, 0x4000 },
5345 { 0xffffffff, 0 },
5346 };
5347 struct mem_entry *mem_tbl;
5348
5349 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5350 mem_tbl = mem_tbl_5709;
5351 else
5352 mem_tbl = mem_tbl_5706;
5353
5354 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5355 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5356 mem_tbl[i].len)) != 0) {
5357 return ret;
5358 }
5359 }
5360
5361 return ret;
5362 }
5363
5364 #define BNX2_MAC_LOOPBACK 0
5365 #define BNX2_PHY_LOOPBACK 1
5366
5367 static int
5368 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5369 {
5370 unsigned int pkt_size, num_pkts, i;
5371 struct sk_buff *skb, *rx_skb;
5372 unsigned char *packet;
5373 u16 rx_start_idx, rx_idx;
5374 dma_addr_t map;
5375 struct tx_bd *txbd;
5376 struct sw_bd *rx_buf;
5377 struct l2_fhdr *rx_hdr;
5378 int ret = -ENODEV;
5379 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5380 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5381 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5382
5383 tx_napi = bnapi;
5384
5385 txr = &tx_napi->tx_ring;
5386 rxr = &bnapi->rx_ring;
5387 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5388 bp->loopback = MAC_LOOPBACK;
5389 bnx2_set_mac_loopback(bp);
5390 }
5391 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5392 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5393 return 0;
5394
5395 bp->loopback = PHY_LOOPBACK;
5396 bnx2_set_phy_loopback(bp);
5397 }
5398 else
5399 return -EINVAL;
5400
5401 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5402 skb = netdev_alloc_skb(bp->dev, pkt_size);
5403 if (!skb)
5404 return -ENOMEM;
5405 packet = skb_put(skb, pkt_size);
5406 memcpy(packet, bp->dev->dev_addr, 6);
5407 memset(packet + 6, 0x0, 8);
5408 for (i = 14; i < pkt_size; i++)
5409 packet[i] = (unsigned char) (i & 0xff);
5410
5411 if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) {
5412 dev_kfree_skb(skb);
5413 return -EIO;
5414 }
5415 map = skb_shinfo(skb)->dma_maps[0];
5416
5417 REG_WR(bp, BNX2_HC_COMMAND,
5418 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5419
5420 REG_RD(bp, BNX2_HC_COMMAND);
5421
5422 udelay(5);
5423 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5424
5425 num_pkts = 0;
5426
5427 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
5428
5429 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5430 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5431 txbd->tx_bd_mss_nbytes = pkt_size;
5432 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5433
5434 num_pkts++;
5435 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5436 txr->tx_prod_bseq += pkt_size;
5437
5438 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5439 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
5440
5441 udelay(100);
5442
5443 REG_WR(bp, BNX2_HC_COMMAND,
5444 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5445
5446 REG_RD(bp, BNX2_HC_COMMAND);
5447
5448 udelay(5);
5449
5450 skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
5451 dev_kfree_skb(skb);
5452
5453 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
5454 goto loopback_test_done;
5455
5456 rx_idx = bnx2_get_hw_rx_cons(bnapi);
5457 if (rx_idx != rx_start_idx + num_pkts) {
5458 goto loopback_test_done;
5459 }
5460
5461 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
5462 rx_skb = rx_buf->skb;
5463
5464 rx_hdr = (struct l2_fhdr *) rx_skb->data;
5465 skb_reserve(rx_skb, BNX2_RX_OFFSET);
5466
5467 pci_dma_sync_single_for_cpu(bp->pdev,
5468 pci_unmap_addr(rx_buf, mapping),
5469 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5470
5471 if (rx_hdr->l2_fhdr_status &
5472 (L2_FHDR_ERRORS_BAD_CRC |
5473 L2_FHDR_ERRORS_PHY_DECODE |
5474 L2_FHDR_ERRORS_ALIGNMENT |
5475 L2_FHDR_ERRORS_TOO_SHORT |
5476 L2_FHDR_ERRORS_GIANT_FRAME)) {
5477
5478 goto loopback_test_done;
5479 }
5480
5481 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5482 goto loopback_test_done;
5483 }
5484
5485 for (i = 14; i < pkt_size; i++) {
5486 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5487 goto loopback_test_done;
5488 }
5489 }
5490
5491 ret = 0;
5492
5493 loopback_test_done:
5494 bp->loopback = 0;
5495 return ret;
5496 }
5497
5498 #define BNX2_MAC_LOOPBACK_FAILED 1
5499 #define BNX2_PHY_LOOPBACK_FAILED 2
5500 #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5501 BNX2_PHY_LOOPBACK_FAILED)
5502
5503 static int
5504 bnx2_test_loopback(struct bnx2 *bp)
5505 {
5506 int rc = 0;
5507
5508 if (!netif_running(bp->dev))
5509 return BNX2_LOOPBACK_FAILED;
5510
5511 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5512 spin_lock_bh(&bp->phy_lock);
5513 bnx2_init_phy(bp, 1);
5514 spin_unlock_bh(&bp->phy_lock);
5515 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5516 rc |= BNX2_MAC_LOOPBACK_FAILED;
5517 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5518 rc |= BNX2_PHY_LOOPBACK_FAILED;
5519 return rc;
5520 }
5521
5522 #define NVRAM_SIZE 0x200
5523 #define CRC32_RESIDUAL 0xdebb20e3
5524
5525 static int
5526 bnx2_test_nvram(struct bnx2 *bp)
5527 {
5528 __be32 buf[NVRAM_SIZE / 4];
5529 u8 *data = (u8 *) buf;
5530 int rc = 0;
5531 u32 magic, csum;
5532
5533 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5534 goto test_nvram_done;
5535
5536 magic = be32_to_cpu(buf[0]);
5537 if (magic != 0x669955aa) {
5538 rc = -ENODEV;
5539 goto test_nvram_done;
5540 }
5541
5542 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5543 goto test_nvram_done;
5544
5545 csum = ether_crc_le(0x100, data);
5546 if (csum != CRC32_RESIDUAL) {
5547 rc = -ENODEV;
5548 goto test_nvram_done;
5549 }
5550
5551 csum = ether_crc_le(0x100, data + 0x100);
5552 if (csum != CRC32_RESIDUAL) {
5553 rc = -ENODEV;
5554 }
5555
5556 test_nvram_done:
5557 return rc;
5558 }
5559
5560 static int
5561 bnx2_test_link(struct bnx2 *bp)
5562 {
5563 u32 bmsr;
5564
5565 if (!netif_running(bp->dev))
5566 return -ENODEV;
5567
5568 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5569 if (bp->link_up)
5570 return 0;
5571 return -ENODEV;
5572 }
5573 spin_lock_bh(&bp->phy_lock);
5574 bnx2_enable_bmsr1(bp);
5575 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5576 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5577 bnx2_disable_bmsr1(bp);
5578 spin_unlock_bh(&bp->phy_lock);
5579
5580 if (bmsr & BMSR_LSTATUS) {
5581 return 0;
5582 }
5583 return -ENODEV;
5584 }
5585
5586 static int
5587 bnx2_test_intr(struct bnx2 *bp)
5588 {
5589 int i;
5590 u16 status_idx;
5591
5592 if (!netif_running(bp->dev))
5593 return -ENODEV;
5594
5595 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5596
5597 /* This register is not touched during run-time. */
5598 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5599 REG_RD(bp, BNX2_HC_COMMAND);
5600
5601 for (i = 0; i < 10; i++) {
5602 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5603 status_idx) {
5604
5605 break;
5606 }
5607
5608 msleep_interruptible(10);
5609 }
5610 if (i < 10)
5611 return 0;
5612
5613 return -ENODEV;
5614 }
5615
5616 /* Determining link for parallel detection. */
5617 static int
5618 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5619 {
5620 u32 mode_ctl, an_dbg, exp;
5621
5622 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5623 return 0;
5624
5625 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5626 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5627
5628 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5629 return 0;
5630
5631 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5632 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5633 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5634
5635 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5636 return 0;
5637
5638 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5639 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5640 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5641
5642 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5643 return 0;
5644
5645 return 1;
5646 }
5647
5648 static void
5649 bnx2_5706_serdes_timer(struct bnx2 *bp)
5650 {
5651 int check_link = 1;
5652
5653 spin_lock(&bp->phy_lock);
5654 if (bp->serdes_an_pending) {
5655 bp->serdes_an_pending--;
5656 check_link = 0;
5657 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5658 u32 bmcr;
5659
5660 bp->current_interval = BNX2_TIMER_INTERVAL;
5661
5662 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5663
5664 if (bmcr & BMCR_ANENABLE) {
5665 if (bnx2_5706_serdes_has_link(bp)) {
5666 bmcr &= ~BMCR_ANENABLE;
5667 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5668 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5669 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5670 }
5671 }
5672 }
5673 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5674 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5675 u32 phy2;
5676
5677 bnx2_write_phy(bp, 0x17, 0x0f01);
5678 bnx2_read_phy(bp, 0x15, &phy2);
5679 if (phy2 & 0x20) {
5680 u32 bmcr;
5681
5682 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5683 bmcr |= BMCR_ANENABLE;
5684 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5685
5686 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5687 }
5688 } else
5689 bp->current_interval = BNX2_TIMER_INTERVAL;
5690
5691 if (check_link) {
5692 u32 val;
5693
5694 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5695 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5696 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5697
5698 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5699 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5700 bnx2_5706s_force_link_dn(bp, 1);
5701 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5702 } else
5703 bnx2_set_link(bp);
5704 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5705 bnx2_set_link(bp);
5706 }
5707 spin_unlock(&bp->phy_lock);
5708 }
5709
5710 static void
5711 bnx2_5708_serdes_timer(struct bnx2 *bp)
5712 {
5713 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5714 return;
5715
5716 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5717 bp->serdes_an_pending = 0;
5718 return;
5719 }
5720
5721 spin_lock(&bp->phy_lock);
5722 if (bp->serdes_an_pending)
5723 bp->serdes_an_pending--;
5724 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5725 u32 bmcr;
5726
5727 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5728 if (bmcr & BMCR_ANENABLE) {
5729 bnx2_enable_forced_2g5(bp);
5730 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
5731 } else {
5732 bnx2_disable_forced_2g5(bp);
5733 bp->serdes_an_pending = 2;
5734 bp->current_interval = BNX2_TIMER_INTERVAL;
5735 }
5736
5737 } else
5738 bp->current_interval = BNX2_TIMER_INTERVAL;
5739
5740 spin_unlock(&bp->phy_lock);
5741 }
5742
5743 static void
5744 bnx2_timer(unsigned long data)
5745 {
5746 struct bnx2 *bp = (struct bnx2 *) data;
5747
5748 if (!netif_running(bp->dev))
5749 return;
5750
5751 if (atomic_read(&bp->intr_sem) != 0)
5752 goto bnx2_restart_timer;
5753
5754 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
5755 BNX2_FLAG_USING_MSI)
5756 bnx2_chk_missed_msi(bp);
5757
5758 bnx2_send_heart_beat(bp);
5759
5760 bp->stats_blk->stat_FwRxDrop =
5761 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5762
5763 /* workaround occasional corrupted counters */
5764 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5765 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5766 BNX2_HC_COMMAND_STATS_NOW);
5767
5768 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5769 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5770 bnx2_5706_serdes_timer(bp);
5771 else
5772 bnx2_5708_serdes_timer(bp);
5773 }
5774
5775 bnx2_restart_timer:
5776 mod_timer(&bp->timer, jiffies + bp->current_interval);
5777 }
5778
5779 static int
5780 bnx2_request_irq(struct bnx2 *bp)
5781 {
5782 unsigned long flags;
5783 struct bnx2_irq *irq;
5784 int rc = 0, i;
5785
5786 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5787 flags = 0;
5788 else
5789 flags = IRQF_SHARED;
5790
5791 for (i = 0; i < bp->irq_nvecs; i++) {
5792 irq = &bp->irq_tbl[i];
5793 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5794 &bp->bnx2_napi[i]);
5795 if (rc)
5796 break;
5797 irq->requested = 1;
5798 }
5799 return rc;
5800 }
5801
5802 static void
5803 bnx2_free_irq(struct bnx2 *bp)
5804 {
5805 struct bnx2_irq *irq;
5806 int i;
5807
5808 for (i = 0; i < bp->irq_nvecs; i++) {
5809 irq = &bp->irq_tbl[i];
5810 if (irq->requested)
5811 free_irq(irq->vector, &bp->bnx2_napi[i]);
5812 irq->requested = 0;
5813 }
5814 if (bp->flags & BNX2_FLAG_USING_MSI)
5815 pci_disable_msi(bp->pdev);
5816 else if (bp->flags & BNX2_FLAG_USING_MSIX)
5817 pci_disable_msix(bp->pdev);
5818
5819 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5820 }
5821
5822 static void
5823 bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
5824 {
5825 int i, rc;
5826 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5827 struct net_device *dev = bp->dev;
5828 const int len = sizeof(bp->irq_tbl[0].name);
5829
5830 bnx2_setup_msix_tbl(bp);
5831 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5832 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5833 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5834
5835 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5836 msix_ent[i].entry = i;
5837 msix_ent[i].vector = 0;
5838
5839 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
5840 bp->irq_tbl[i].handler = bnx2_msi_1shot;
5841 }
5842
5843 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5844 if (rc != 0)
5845 return;
5846
5847 bp->irq_nvecs = msix_vecs;
5848 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5849 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5850 bp->irq_tbl[i].vector = msix_ent[i].vector;
5851 }
5852
5853 static void
5854 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5855 {
5856 int cpus = num_online_cpus();
5857 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
5858
5859 bp->irq_tbl[0].handler = bnx2_interrupt;
5860 strcpy(bp->irq_tbl[0].name, bp->dev->name);
5861 bp->irq_nvecs = 1;
5862 bp->irq_tbl[0].vector = bp->pdev->irq;
5863
5864 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
5865 bnx2_enable_msix(bp, msix_vecs);
5866
5867 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5868 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5869 if (pci_enable_msi(bp->pdev) == 0) {
5870 bp->flags |= BNX2_FLAG_USING_MSI;
5871 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5872 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5873 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5874 } else
5875 bp->irq_tbl[0].handler = bnx2_msi;
5876
5877 bp->irq_tbl[0].vector = bp->pdev->irq;
5878 }
5879 }
5880
5881 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
5882 bp->dev->real_num_tx_queues = bp->num_tx_rings;
5883
5884 bp->num_rx_rings = bp->irq_nvecs;
5885 }
5886
5887 /* Called with rtnl_lock */
5888 static int
5889 bnx2_open(struct net_device *dev)
5890 {
5891 struct bnx2 *bp = netdev_priv(dev);
5892 int rc;
5893
5894 netif_carrier_off(dev);
5895
5896 bnx2_set_power_state(bp, PCI_D0);
5897 bnx2_disable_int(bp);
5898
5899 bnx2_setup_int_mode(bp, disable_msi);
5900 bnx2_napi_enable(bp);
5901 rc = bnx2_alloc_mem(bp);
5902 if (rc)
5903 goto open_err;
5904
5905 rc = bnx2_request_irq(bp);
5906 if (rc)
5907 goto open_err;
5908
5909 rc = bnx2_init_nic(bp, 1);
5910 if (rc)
5911 goto open_err;
5912
5913 mod_timer(&bp->timer, jiffies + bp->current_interval);
5914
5915 atomic_set(&bp->intr_sem, 0);
5916
5917 bnx2_enable_int(bp);
5918
5919 if (bp->flags & BNX2_FLAG_USING_MSI) {
5920 /* Test MSI to make sure it is working
5921 * If MSI test fails, go back to INTx mode
5922 */
5923 if (bnx2_test_intr(bp) != 0) {
5924 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5925 " using MSI, switching to INTx mode. Please"
5926 " report this failure to the PCI maintainer"
5927 " and include system chipset information.\n",
5928 bp->dev->name);
5929
5930 bnx2_disable_int(bp);
5931 bnx2_free_irq(bp);
5932
5933 bnx2_setup_int_mode(bp, 1);
5934
5935 rc = bnx2_init_nic(bp, 0);
5936
5937 if (!rc)
5938 rc = bnx2_request_irq(bp);
5939
5940 if (rc) {
5941 del_timer_sync(&bp->timer);
5942 goto open_err;
5943 }
5944 bnx2_enable_int(bp);
5945 }
5946 }
5947 if (bp->flags & BNX2_FLAG_USING_MSI)
5948 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5949 else if (bp->flags & BNX2_FLAG_USING_MSIX)
5950 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5951
5952 netif_tx_start_all_queues(dev);
5953
5954 return 0;
5955
5956 open_err:
5957 bnx2_napi_disable(bp);
5958 bnx2_free_skbs(bp);
5959 bnx2_free_irq(bp);
5960 bnx2_free_mem(bp);
5961 return rc;
5962 }
5963
5964 static void
5965 bnx2_reset_task(struct work_struct *work)
5966 {
5967 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5968
5969 if (!netif_running(bp->dev))
5970 return;
5971
5972 bnx2_netif_stop(bp);
5973
5974 bnx2_init_nic(bp, 1);
5975
5976 atomic_set(&bp->intr_sem, 1);
5977 bnx2_netif_start(bp);
5978 }
5979
5980 static void
5981 bnx2_tx_timeout(struct net_device *dev)
5982 {
5983 struct bnx2 *bp = netdev_priv(dev);
5984
5985 /* This allows the netif to be shutdown gracefully before resetting */
5986 schedule_work(&bp->reset_task);
5987 }
5988
5989 #ifdef BCM_VLAN
5990 /* Called with rtnl_lock */
5991 static void
5992 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5993 {
5994 struct bnx2 *bp = netdev_priv(dev);
5995
5996 bnx2_netif_stop(bp);
5997
5998 bp->vlgrp = vlgrp;
5999 bnx2_set_rx_mode(dev);
6000 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
6001 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
6002
6003 bnx2_netif_start(bp);
6004 }
6005 #endif
6006
6007 /* Called with netif_tx_lock.
6008 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6009 * netif_wake_queue().
6010 */
6011 static int
6012 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6013 {
6014 struct bnx2 *bp = netdev_priv(dev);
6015 dma_addr_t mapping;
6016 struct tx_bd *txbd;
6017 struct sw_tx_bd *tx_buf;
6018 u32 len, vlan_tag_flags, last_frag, mss;
6019 u16 prod, ring_prod;
6020 int i;
6021 struct bnx2_napi *bnapi;
6022 struct bnx2_tx_ring_info *txr;
6023 struct netdev_queue *txq;
6024 struct skb_shared_info *sp;
6025
6026 /* Determine which tx ring we will be placed on */
6027 i = skb_get_queue_mapping(skb);
6028 bnapi = &bp->bnx2_napi[i];
6029 txr = &bnapi->tx_ring;
6030 txq = netdev_get_tx_queue(dev, i);
6031
6032 if (unlikely(bnx2_tx_avail(bp, txr) <
6033 (skb_shinfo(skb)->nr_frags + 1))) {
6034 netif_tx_stop_queue(txq);
6035 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
6036 dev->name);
6037
6038 return NETDEV_TX_BUSY;
6039 }
6040 len = skb_headlen(skb);
6041 prod = txr->tx_prod;
6042 ring_prod = TX_RING_IDX(prod);
6043
6044 vlan_tag_flags = 0;
6045 if (skb->ip_summed == CHECKSUM_PARTIAL) {
6046 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6047 }
6048
6049 #ifdef BCM_VLAN
6050 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
6051 vlan_tag_flags |=
6052 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6053 }
6054 #endif
6055 if ((mss = skb_shinfo(skb)->gso_size)) {
6056 u32 tcp_opt_len;
6057 struct iphdr *iph;
6058
6059 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6060
6061 tcp_opt_len = tcp_optlen(skb);
6062
6063 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6064 u32 tcp_off = skb_transport_offset(skb) -
6065 sizeof(struct ipv6hdr) - ETH_HLEN;
6066
6067 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6068 TX_BD_FLAGS_SW_FLAGS;
6069 if (likely(tcp_off == 0))
6070 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6071 else {
6072 tcp_off >>= 3;
6073 vlan_tag_flags |= ((tcp_off & 0x3) <<
6074 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6075 ((tcp_off & 0x10) <<
6076 TX_BD_FLAGS_TCP6_OFF4_SHL);
6077 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6078 }
6079 } else {
6080 iph = ip_hdr(skb);
6081 if (tcp_opt_len || (iph->ihl > 5)) {
6082 vlan_tag_flags |= ((iph->ihl - 5) +
6083 (tcp_opt_len >> 2)) << 8;
6084 }
6085 }
6086 } else
6087 mss = 0;
6088
6089 if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) {
6090 dev_kfree_skb(skb);
6091 return NETDEV_TX_OK;
6092 }
6093
6094 sp = skb_shinfo(skb);
6095 mapping = sp->dma_maps[0];
6096
6097 tx_buf = &txr->tx_buf_ring[ring_prod];
6098 tx_buf->skb = skb;
6099
6100 txbd = &txr->tx_desc_ring[ring_prod];
6101
6102 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6103 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6104 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6105 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6106
6107 last_frag = skb_shinfo(skb)->nr_frags;
6108
6109 for (i = 0; i < last_frag; i++) {
6110 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6111
6112 prod = NEXT_TX_BD(prod);
6113 ring_prod = TX_RING_IDX(prod);
6114 txbd = &txr->tx_desc_ring[ring_prod];
6115
6116 len = frag->size;
6117 mapping = sp->dma_maps[i + 1];
6118
6119 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6120 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6121 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6122 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6123
6124 }
6125 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6126
6127 prod = NEXT_TX_BD(prod);
6128 txr->tx_prod_bseq += skb->len;
6129
6130 REG_WR16(bp, txr->tx_bidx_addr, prod);
6131 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
6132
6133 mmiowb();
6134
6135 txr->tx_prod = prod;
6136 dev->trans_start = jiffies;
6137
6138 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
6139 netif_tx_stop_queue(txq);
6140 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
6141 netif_tx_wake_queue(txq);
6142 }
6143
6144 return NETDEV_TX_OK;
6145 }
6146
6147 /* Called with rtnl_lock */
6148 static int
6149 bnx2_close(struct net_device *dev)
6150 {
6151 struct bnx2 *bp = netdev_priv(dev);
6152
6153 cancel_work_sync(&bp->reset_task);
6154
6155 bnx2_disable_int_sync(bp);
6156 bnx2_napi_disable(bp);
6157 del_timer_sync(&bp->timer);
6158 bnx2_shutdown_chip(bp);
6159 bnx2_free_irq(bp);
6160 bnx2_free_skbs(bp);
6161 bnx2_free_mem(bp);
6162 bp->link_up = 0;
6163 netif_carrier_off(bp->dev);
6164 bnx2_set_power_state(bp, PCI_D3hot);
6165 return 0;
6166 }
6167
6168 #define GET_NET_STATS64(ctr) \
6169 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6170 (unsigned long) (ctr##_lo)
6171
6172 #define GET_NET_STATS32(ctr) \
6173 (ctr##_lo)
6174
6175 #if (BITS_PER_LONG == 64)
6176 #define GET_NET_STATS GET_NET_STATS64
6177 #else
6178 #define GET_NET_STATS GET_NET_STATS32
6179 #endif
6180
6181 static struct net_device_stats *
6182 bnx2_get_stats(struct net_device *dev)
6183 {
6184 struct bnx2 *bp = netdev_priv(dev);
6185 struct statistics_block *stats_blk = bp->stats_blk;
6186 struct net_device_stats *net_stats = &dev->stats;
6187
6188 if (bp->stats_blk == NULL) {
6189 return net_stats;
6190 }
6191 net_stats->rx_packets =
6192 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6193 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6194 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6195
6196 net_stats->tx_packets =
6197 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6198 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6199 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6200
6201 net_stats->rx_bytes =
6202 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6203
6204 net_stats->tx_bytes =
6205 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6206
6207 net_stats->multicast =
6208 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6209
6210 net_stats->collisions =
6211 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6212
6213 net_stats->rx_length_errors =
6214 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6215 stats_blk->stat_EtherStatsOverrsizePkts);
6216
6217 net_stats->rx_over_errors =
6218 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
6219
6220 net_stats->rx_frame_errors =
6221 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6222
6223 net_stats->rx_crc_errors =
6224 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6225
6226 net_stats->rx_errors = net_stats->rx_length_errors +
6227 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6228 net_stats->rx_crc_errors;
6229
6230 net_stats->tx_aborted_errors =
6231 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6232 stats_blk->stat_Dot3StatsLateCollisions);
6233
6234 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6235 (CHIP_ID(bp) == CHIP_ID_5708_A0))
6236 net_stats->tx_carrier_errors = 0;
6237 else {
6238 net_stats->tx_carrier_errors =
6239 (unsigned long)
6240 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6241 }
6242
6243 net_stats->tx_errors =
6244 (unsigned long)
6245 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6246 +
6247 net_stats->tx_aborted_errors +
6248 net_stats->tx_carrier_errors;
6249
6250 net_stats->rx_missed_errors =
6251 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6252 stats_blk->stat_FwRxDrop);
6253
6254 return net_stats;
6255 }
6256
6257 /* All ethtool functions called with rtnl_lock */
6258
6259 static int
6260 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6261 {
6262 struct bnx2 *bp = netdev_priv(dev);
6263 int support_serdes = 0, support_copper = 0;
6264
6265 cmd->supported = SUPPORTED_Autoneg;
6266 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6267 support_serdes = 1;
6268 support_copper = 1;
6269 } else if (bp->phy_port == PORT_FIBRE)
6270 support_serdes = 1;
6271 else
6272 support_copper = 1;
6273
6274 if (support_serdes) {
6275 cmd->supported |= SUPPORTED_1000baseT_Full |
6276 SUPPORTED_FIBRE;
6277 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6278 cmd->supported |= SUPPORTED_2500baseX_Full;
6279
6280 }
6281 if (support_copper) {
6282 cmd->supported |= SUPPORTED_10baseT_Half |
6283 SUPPORTED_10baseT_Full |
6284 SUPPORTED_100baseT_Half |
6285 SUPPORTED_100baseT_Full |
6286 SUPPORTED_1000baseT_Full |
6287 SUPPORTED_TP;
6288
6289 }
6290
6291 spin_lock_bh(&bp->phy_lock);
6292 cmd->port = bp->phy_port;
6293 cmd->advertising = bp->advertising;
6294
6295 if (bp->autoneg & AUTONEG_SPEED) {
6296 cmd->autoneg = AUTONEG_ENABLE;
6297 }
6298 else {
6299 cmd->autoneg = AUTONEG_DISABLE;
6300 }
6301
6302 if (netif_carrier_ok(dev)) {
6303 cmd->speed = bp->line_speed;
6304 cmd->duplex = bp->duplex;
6305 }
6306 else {
6307 cmd->speed = -1;
6308 cmd->duplex = -1;
6309 }
6310 spin_unlock_bh(&bp->phy_lock);
6311
6312 cmd->transceiver = XCVR_INTERNAL;
6313 cmd->phy_address = bp->phy_addr;
6314
6315 return 0;
6316 }
6317
6318 static int
6319 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6320 {
6321 struct bnx2 *bp = netdev_priv(dev);
6322 u8 autoneg = bp->autoneg;
6323 u8 req_duplex = bp->req_duplex;
6324 u16 req_line_speed = bp->req_line_speed;
6325 u32 advertising = bp->advertising;
6326 int err = -EINVAL;
6327
6328 spin_lock_bh(&bp->phy_lock);
6329
6330 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6331 goto err_out_unlock;
6332
6333 if (cmd->port != bp->phy_port &&
6334 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6335 goto err_out_unlock;
6336
6337 /* If device is down, we can store the settings only if the user
6338 * is setting the currently active port.
6339 */
6340 if (!netif_running(dev) && cmd->port != bp->phy_port)
6341 goto err_out_unlock;
6342
6343 if (cmd->autoneg == AUTONEG_ENABLE) {
6344 autoneg |= AUTONEG_SPEED;
6345
6346 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6347
6348 /* allow advertising 1 speed */
6349 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6350 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6351 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6352 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6353
6354 if (cmd->port == PORT_FIBRE)
6355 goto err_out_unlock;
6356
6357 advertising = cmd->advertising;
6358
6359 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6360 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6361 (cmd->port == PORT_TP))
6362 goto err_out_unlock;
6363 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6364 advertising = cmd->advertising;
6365 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6366 goto err_out_unlock;
6367 else {
6368 if (cmd->port == PORT_FIBRE)
6369 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6370 else
6371 advertising = ETHTOOL_ALL_COPPER_SPEED;
6372 }
6373 advertising |= ADVERTISED_Autoneg;
6374 }
6375 else {
6376 if (cmd->port == PORT_FIBRE) {
6377 if ((cmd->speed != SPEED_1000 &&
6378 cmd->speed != SPEED_2500) ||
6379 (cmd->duplex != DUPLEX_FULL))
6380 goto err_out_unlock;
6381
6382 if (cmd->speed == SPEED_2500 &&
6383 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6384 goto err_out_unlock;
6385 }
6386 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6387 goto err_out_unlock;
6388
6389 autoneg &= ~AUTONEG_SPEED;
6390 req_line_speed = cmd->speed;
6391 req_duplex = cmd->duplex;
6392 advertising = 0;
6393 }
6394
6395 bp->autoneg = autoneg;
6396 bp->advertising = advertising;
6397 bp->req_line_speed = req_line_speed;
6398 bp->req_duplex = req_duplex;
6399
6400 err = 0;
6401 /* If device is down, the new settings will be picked up when it is
6402 * brought up.
6403 */
6404 if (netif_running(dev))
6405 err = bnx2_setup_phy(bp, cmd->port);
6406
6407 err_out_unlock:
6408 spin_unlock_bh(&bp->phy_lock);
6409
6410 return err;
6411 }
6412
6413 static void
6414 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6415 {
6416 struct bnx2 *bp = netdev_priv(dev);
6417
6418 strcpy(info->driver, DRV_MODULE_NAME);
6419 strcpy(info->version, DRV_MODULE_VERSION);
6420 strcpy(info->bus_info, pci_name(bp->pdev));
6421 strcpy(info->fw_version, bp->fw_version);
6422 }
6423
6424 #define BNX2_REGDUMP_LEN (32 * 1024)
6425
6426 static int
6427 bnx2_get_regs_len(struct net_device *dev)
6428 {
6429 return BNX2_REGDUMP_LEN;
6430 }
6431
6432 static void
6433 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6434 {
6435 u32 *p = _p, i, offset;
6436 u8 *orig_p = _p;
6437 struct bnx2 *bp = netdev_priv(dev);
6438 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6439 0x0800, 0x0880, 0x0c00, 0x0c10,
6440 0x0c30, 0x0d08, 0x1000, 0x101c,
6441 0x1040, 0x1048, 0x1080, 0x10a4,
6442 0x1400, 0x1490, 0x1498, 0x14f0,
6443 0x1500, 0x155c, 0x1580, 0x15dc,
6444 0x1600, 0x1658, 0x1680, 0x16d8,
6445 0x1800, 0x1820, 0x1840, 0x1854,
6446 0x1880, 0x1894, 0x1900, 0x1984,
6447 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6448 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6449 0x2000, 0x2030, 0x23c0, 0x2400,
6450 0x2800, 0x2820, 0x2830, 0x2850,
6451 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6452 0x3c00, 0x3c94, 0x4000, 0x4010,
6453 0x4080, 0x4090, 0x43c0, 0x4458,
6454 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6455 0x4fc0, 0x5010, 0x53c0, 0x5444,
6456 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6457 0x5fc0, 0x6000, 0x6400, 0x6428,
6458 0x6800, 0x6848, 0x684c, 0x6860,
6459 0x6888, 0x6910, 0x8000 };
6460
6461 regs->version = 0;
6462
6463 memset(p, 0, BNX2_REGDUMP_LEN);
6464
6465 if (!netif_running(bp->dev))
6466 return;
6467
6468 i = 0;
6469 offset = reg_boundaries[0];
6470 p += offset;
6471 while (offset < BNX2_REGDUMP_LEN) {
6472 *p++ = REG_RD(bp, offset);
6473 offset += 4;
6474 if (offset == reg_boundaries[i + 1]) {
6475 offset = reg_boundaries[i + 2];
6476 p = (u32 *) (orig_p + offset);
6477 i += 2;
6478 }
6479 }
6480 }
6481
6482 static void
6483 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6484 {
6485 struct bnx2 *bp = netdev_priv(dev);
6486
6487 if (bp->flags & BNX2_FLAG_NO_WOL) {
6488 wol->supported = 0;
6489 wol->wolopts = 0;
6490 }
6491 else {
6492 wol->supported = WAKE_MAGIC;
6493 if (bp->wol)
6494 wol->wolopts = WAKE_MAGIC;
6495 else
6496 wol->wolopts = 0;
6497 }
6498 memset(&wol->sopass, 0, sizeof(wol->sopass));
6499 }
6500
6501 static int
6502 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6503 {
6504 struct bnx2 *bp = netdev_priv(dev);
6505
6506 if (wol->wolopts & ~WAKE_MAGIC)
6507 return -EINVAL;
6508
6509 if (wol->wolopts & WAKE_MAGIC) {
6510 if (bp->flags & BNX2_FLAG_NO_WOL)
6511 return -EINVAL;
6512
6513 bp->wol = 1;
6514 }
6515 else {
6516 bp->wol = 0;
6517 }
6518 return 0;
6519 }
6520
6521 static int
6522 bnx2_nway_reset(struct net_device *dev)
6523 {
6524 struct bnx2 *bp = netdev_priv(dev);
6525 u32 bmcr;
6526
6527 if (!netif_running(dev))
6528 return -EAGAIN;
6529
6530 if (!(bp->autoneg & AUTONEG_SPEED)) {
6531 return -EINVAL;
6532 }
6533
6534 spin_lock_bh(&bp->phy_lock);
6535
6536 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6537 int rc;
6538
6539 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6540 spin_unlock_bh(&bp->phy_lock);
6541 return rc;
6542 }
6543
6544 /* Force a link down visible on the other side */
6545 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6546 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6547 spin_unlock_bh(&bp->phy_lock);
6548
6549 msleep(20);
6550
6551 spin_lock_bh(&bp->phy_lock);
6552
6553 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
6554 bp->serdes_an_pending = 1;
6555 mod_timer(&bp->timer, jiffies + bp->current_interval);
6556 }
6557
6558 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6559 bmcr &= ~BMCR_LOOPBACK;
6560 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6561
6562 spin_unlock_bh(&bp->phy_lock);
6563
6564 return 0;
6565 }
6566
6567 static int
6568 bnx2_get_eeprom_len(struct net_device *dev)
6569 {
6570 struct bnx2 *bp = netdev_priv(dev);
6571
6572 if (bp->flash_info == NULL)
6573 return 0;
6574
6575 return (int) bp->flash_size;
6576 }
6577
6578 static int
6579 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6580 u8 *eebuf)
6581 {
6582 struct bnx2 *bp = netdev_priv(dev);
6583 int rc;
6584
6585 if (!netif_running(dev))
6586 return -EAGAIN;
6587
6588 /* parameters already validated in ethtool_get_eeprom */
6589
6590 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6591
6592 return rc;
6593 }
6594
6595 static int
6596 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6597 u8 *eebuf)
6598 {
6599 struct bnx2 *bp = netdev_priv(dev);
6600 int rc;
6601
6602 if (!netif_running(dev))
6603 return -EAGAIN;
6604
6605 /* parameters already validated in ethtool_set_eeprom */
6606
6607 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6608
6609 return rc;
6610 }
6611
6612 static int
6613 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6614 {
6615 struct bnx2 *bp = netdev_priv(dev);
6616
6617 memset(coal, 0, sizeof(struct ethtool_coalesce));
6618
6619 coal->rx_coalesce_usecs = bp->rx_ticks;
6620 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6621 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6622 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6623
6624 coal->tx_coalesce_usecs = bp->tx_ticks;
6625 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6626 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6627 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6628
6629 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6630
6631 return 0;
6632 }
6633
6634 static int
6635 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6636 {
6637 struct bnx2 *bp = netdev_priv(dev);
6638
6639 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6640 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6641
6642 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6643 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6644
6645 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6646 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6647
6648 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6649 if (bp->rx_quick_cons_trip_int > 0xff)
6650 bp->rx_quick_cons_trip_int = 0xff;
6651
6652 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6653 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6654
6655 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6656 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6657
6658 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6659 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6660
6661 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6662 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6663 0xff;
6664
6665 bp->stats_ticks = coal->stats_block_coalesce_usecs;
6666 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6667 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6668 bp->stats_ticks = USEC_PER_SEC;
6669 }
6670 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6671 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6672 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6673
6674 if (netif_running(bp->dev)) {
6675 bnx2_netif_stop(bp);
6676 bnx2_init_nic(bp, 0);
6677 bnx2_netif_start(bp);
6678 }
6679
6680 return 0;
6681 }
6682
6683 static void
6684 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6685 {
6686 struct bnx2 *bp = netdev_priv(dev);
6687
6688 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6689 ering->rx_mini_max_pending = 0;
6690 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6691
6692 ering->rx_pending = bp->rx_ring_size;
6693 ering->rx_mini_pending = 0;
6694 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6695
6696 ering->tx_max_pending = MAX_TX_DESC_CNT;
6697 ering->tx_pending = bp->tx_ring_size;
6698 }
6699
6700 static int
6701 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6702 {
6703 if (netif_running(bp->dev)) {
6704 bnx2_netif_stop(bp);
6705 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6706 bnx2_free_skbs(bp);
6707 bnx2_free_mem(bp);
6708 }
6709
6710 bnx2_set_rx_ring_size(bp, rx);
6711 bp->tx_ring_size = tx;
6712
6713 if (netif_running(bp->dev)) {
6714 int rc;
6715
6716 rc = bnx2_alloc_mem(bp);
6717 if (rc)
6718 return rc;
6719 bnx2_init_nic(bp, 0);
6720 bnx2_netif_start(bp);
6721 }
6722 return 0;
6723 }
6724
6725 static int
6726 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6727 {
6728 struct bnx2 *bp = netdev_priv(dev);
6729 int rc;
6730
6731 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6732 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6733 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6734
6735 return -EINVAL;
6736 }
6737 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6738 return rc;
6739 }
6740
6741 static void
6742 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6743 {
6744 struct bnx2 *bp = netdev_priv(dev);
6745
6746 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6747 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6748 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6749 }
6750
6751 static int
6752 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6753 {
6754 struct bnx2 *bp = netdev_priv(dev);
6755
6756 bp->req_flow_ctrl = 0;
6757 if (epause->rx_pause)
6758 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6759 if (epause->tx_pause)
6760 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6761
6762 if (epause->autoneg) {
6763 bp->autoneg |= AUTONEG_FLOW_CTRL;
6764 }
6765 else {
6766 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6767 }
6768
6769 if (netif_running(dev)) {
6770 spin_lock_bh(&bp->phy_lock);
6771 bnx2_setup_phy(bp, bp->phy_port);
6772 spin_unlock_bh(&bp->phy_lock);
6773 }
6774
6775 return 0;
6776 }
6777
6778 static u32
6779 bnx2_get_rx_csum(struct net_device *dev)
6780 {
6781 struct bnx2 *bp = netdev_priv(dev);
6782
6783 return bp->rx_csum;
6784 }
6785
6786 static int
6787 bnx2_set_rx_csum(struct net_device *dev, u32 data)
6788 {
6789 struct bnx2 *bp = netdev_priv(dev);
6790
6791 bp->rx_csum = data;
6792 return 0;
6793 }
6794
6795 static int
6796 bnx2_set_tso(struct net_device *dev, u32 data)
6797 {
6798 struct bnx2 *bp = netdev_priv(dev);
6799
6800 if (data) {
6801 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6802 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6803 dev->features |= NETIF_F_TSO6;
6804 } else
6805 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6806 NETIF_F_TSO_ECN);
6807 return 0;
6808 }
6809
6810 #define BNX2_NUM_STATS 46
6811
6812 static struct {
6813 char string[ETH_GSTRING_LEN];
6814 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6815 { "rx_bytes" },
6816 { "rx_error_bytes" },
6817 { "tx_bytes" },
6818 { "tx_error_bytes" },
6819 { "rx_ucast_packets" },
6820 { "rx_mcast_packets" },
6821 { "rx_bcast_packets" },
6822 { "tx_ucast_packets" },
6823 { "tx_mcast_packets" },
6824 { "tx_bcast_packets" },
6825 { "tx_mac_errors" },
6826 { "tx_carrier_errors" },
6827 { "rx_crc_errors" },
6828 { "rx_align_errors" },
6829 { "tx_single_collisions" },
6830 { "tx_multi_collisions" },
6831 { "tx_deferred" },
6832 { "tx_excess_collisions" },
6833 { "tx_late_collisions" },
6834 { "tx_total_collisions" },
6835 { "rx_fragments" },
6836 { "rx_jabbers" },
6837 { "rx_undersize_packets" },
6838 { "rx_oversize_packets" },
6839 { "rx_64_byte_packets" },
6840 { "rx_65_to_127_byte_packets" },
6841 { "rx_128_to_255_byte_packets" },
6842 { "rx_256_to_511_byte_packets" },
6843 { "rx_512_to_1023_byte_packets" },
6844 { "rx_1024_to_1522_byte_packets" },
6845 { "rx_1523_to_9022_byte_packets" },
6846 { "tx_64_byte_packets" },
6847 { "tx_65_to_127_byte_packets" },
6848 { "tx_128_to_255_byte_packets" },
6849 { "tx_256_to_511_byte_packets" },
6850 { "tx_512_to_1023_byte_packets" },
6851 { "tx_1024_to_1522_byte_packets" },
6852 { "tx_1523_to_9022_byte_packets" },
6853 { "rx_xon_frames" },
6854 { "rx_xoff_frames" },
6855 { "tx_xon_frames" },
6856 { "tx_xoff_frames" },
6857 { "rx_mac_ctrl_frames" },
6858 { "rx_filtered_packets" },
6859 { "rx_discards" },
6860 { "rx_fw_discards" },
6861 };
6862
6863 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6864
6865 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6866 STATS_OFFSET32(stat_IfHCInOctets_hi),
6867 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6868 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6869 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6870 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6871 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6872 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6873 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6874 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6875 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6876 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6877 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6878 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6879 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6880 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6881 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6882 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6883 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6884 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6885 STATS_OFFSET32(stat_EtherStatsCollisions),
6886 STATS_OFFSET32(stat_EtherStatsFragments),
6887 STATS_OFFSET32(stat_EtherStatsJabbers),
6888 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6889 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6890 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6891 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6892 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6893 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6894 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6895 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6896 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6897 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6898 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6899 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6900 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6901 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6902 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6903 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6904 STATS_OFFSET32(stat_XonPauseFramesReceived),
6905 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6906 STATS_OFFSET32(stat_OutXonSent),
6907 STATS_OFFSET32(stat_OutXoffSent),
6908 STATS_OFFSET32(stat_MacControlFramesReceived),
6909 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6910 STATS_OFFSET32(stat_IfInMBUFDiscards),
6911 STATS_OFFSET32(stat_FwRxDrop),
6912 };
6913
6914 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6915 * skipped because of errata.
6916 */
6917 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6918 8,0,8,8,8,8,8,8,8,8,
6919 4,0,4,4,4,4,4,4,4,4,
6920 4,4,4,4,4,4,4,4,4,4,
6921 4,4,4,4,4,4,4,4,4,4,
6922 4,4,4,4,4,4,
6923 };
6924
6925 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6926 8,0,8,8,8,8,8,8,8,8,
6927 4,4,4,4,4,4,4,4,4,4,
6928 4,4,4,4,4,4,4,4,4,4,
6929 4,4,4,4,4,4,4,4,4,4,
6930 4,4,4,4,4,4,
6931 };
6932
6933 #define BNX2_NUM_TESTS 6
6934
6935 static struct {
6936 char string[ETH_GSTRING_LEN];
6937 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6938 { "register_test (offline)" },
6939 { "memory_test (offline)" },
6940 { "loopback_test (offline)" },
6941 { "nvram_test (online)" },
6942 { "interrupt_test (online)" },
6943 { "link_test (online)" },
6944 };
6945
6946 static int
6947 bnx2_get_sset_count(struct net_device *dev, int sset)
6948 {
6949 switch (sset) {
6950 case ETH_SS_TEST:
6951 return BNX2_NUM_TESTS;
6952 case ETH_SS_STATS:
6953 return BNX2_NUM_STATS;
6954 default:
6955 return -EOPNOTSUPP;
6956 }
6957 }
6958
6959 static void
6960 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6961 {
6962 struct bnx2 *bp = netdev_priv(dev);
6963
6964 bnx2_set_power_state(bp, PCI_D0);
6965
6966 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6967 if (etest->flags & ETH_TEST_FL_OFFLINE) {
6968 int i;
6969
6970 bnx2_netif_stop(bp);
6971 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6972 bnx2_free_skbs(bp);
6973
6974 if (bnx2_test_registers(bp) != 0) {
6975 buf[0] = 1;
6976 etest->flags |= ETH_TEST_FL_FAILED;
6977 }
6978 if (bnx2_test_memory(bp) != 0) {
6979 buf[1] = 1;
6980 etest->flags |= ETH_TEST_FL_FAILED;
6981 }
6982 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6983 etest->flags |= ETH_TEST_FL_FAILED;
6984
6985 if (!netif_running(bp->dev))
6986 bnx2_shutdown_chip(bp);
6987 else {
6988 bnx2_init_nic(bp, 1);
6989 bnx2_netif_start(bp);
6990 }
6991
6992 /* wait for link up */
6993 for (i = 0; i < 7; i++) {
6994 if (bp->link_up)
6995 break;
6996 msleep_interruptible(1000);
6997 }
6998 }
6999
7000 if (bnx2_test_nvram(bp) != 0) {
7001 buf[3] = 1;
7002 etest->flags |= ETH_TEST_FL_FAILED;
7003 }
7004 if (bnx2_test_intr(bp) != 0) {
7005 buf[4] = 1;
7006 etest->flags |= ETH_TEST_FL_FAILED;
7007 }
7008
7009 if (bnx2_test_link(bp) != 0) {
7010 buf[5] = 1;
7011 etest->flags |= ETH_TEST_FL_FAILED;
7012
7013 }
7014 if (!netif_running(bp->dev))
7015 bnx2_set_power_state(bp, PCI_D3hot);
7016 }
7017
7018 static void
7019 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7020 {
7021 switch (stringset) {
7022 case ETH_SS_STATS:
7023 memcpy(buf, bnx2_stats_str_arr,
7024 sizeof(bnx2_stats_str_arr));
7025 break;
7026 case ETH_SS_TEST:
7027 memcpy(buf, bnx2_tests_str_arr,
7028 sizeof(bnx2_tests_str_arr));
7029 break;
7030 }
7031 }
7032
7033 static void
7034 bnx2_get_ethtool_stats(struct net_device *dev,
7035 struct ethtool_stats *stats, u64 *buf)
7036 {
7037 struct bnx2 *bp = netdev_priv(dev);
7038 int i;
7039 u32 *hw_stats = (u32 *) bp->stats_blk;
7040 u8 *stats_len_arr = NULL;
7041
7042 if (hw_stats == NULL) {
7043 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7044 return;
7045 }
7046
7047 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7048 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7049 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7050 (CHIP_ID(bp) == CHIP_ID_5708_A0))
7051 stats_len_arr = bnx2_5706_stats_len_arr;
7052 else
7053 stats_len_arr = bnx2_5708_stats_len_arr;
7054
7055 for (i = 0; i < BNX2_NUM_STATS; i++) {
7056 if (stats_len_arr[i] == 0) {
7057 /* skip this counter */
7058 buf[i] = 0;
7059 continue;
7060 }
7061 if (stats_len_arr[i] == 4) {
7062 /* 4-byte counter */
7063 buf[i] = (u64)
7064 *(hw_stats + bnx2_stats_offset_arr[i]);
7065 continue;
7066 }
7067 /* 8-byte counter */
7068 buf[i] = (((u64) *(hw_stats +
7069 bnx2_stats_offset_arr[i])) << 32) +
7070 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
7071 }
7072 }
7073
7074 static int
7075 bnx2_phys_id(struct net_device *dev, u32 data)
7076 {
7077 struct bnx2 *bp = netdev_priv(dev);
7078 int i;
7079 u32 save;
7080
7081 bnx2_set_power_state(bp, PCI_D0);
7082
7083 if (data == 0)
7084 data = 2;
7085
7086 save = REG_RD(bp, BNX2_MISC_CFG);
7087 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7088
7089 for (i = 0; i < (data * 2); i++) {
7090 if ((i % 2) == 0) {
7091 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7092 }
7093 else {
7094 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7095 BNX2_EMAC_LED_1000MB_OVERRIDE |
7096 BNX2_EMAC_LED_100MB_OVERRIDE |
7097 BNX2_EMAC_LED_10MB_OVERRIDE |
7098 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7099 BNX2_EMAC_LED_TRAFFIC);
7100 }
7101 msleep_interruptible(500);
7102 if (signal_pending(current))
7103 break;
7104 }
7105 REG_WR(bp, BNX2_EMAC_LED, 0);
7106 REG_WR(bp, BNX2_MISC_CFG, save);
7107
7108 if (!netif_running(dev))
7109 bnx2_set_power_state(bp, PCI_D3hot);
7110
7111 return 0;
7112 }
7113
7114 static int
7115 bnx2_set_tx_csum(struct net_device *dev, u32 data)
7116 {
7117 struct bnx2 *bp = netdev_priv(dev);
7118
7119 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7120 return (ethtool_op_set_tx_ipv6_csum(dev, data));
7121 else
7122 return (ethtool_op_set_tx_csum(dev, data));
7123 }
7124
7125 static const struct ethtool_ops bnx2_ethtool_ops = {
7126 .get_settings = bnx2_get_settings,
7127 .set_settings = bnx2_set_settings,
7128 .get_drvinfo = bnx2_get_drvinfo,
7129 .get_regs_len = bnx2_get_regs_len,
7130 .get_regs = bnx2_get_regs,
7131 .get_wol = bnx2_get_wol,
7132 .set_wol = bnx2_set_wol,
7133 .nway_reset = bnx2_nway_reset,
7134 .get_link = ethtool_op_get_link,
7135 .get_eeprom_len = bnx2_get_eeprom_len,
7136 .get_eeprom = bnx2_get_eeprom,
7137 .set_eeprom = bnx2_set_eeprom,
7138 .get_coalesce = bnx2_get_coalesce,
7139 .set_coalesce = bnx2_set_coalesce,
7140 .get_ringparam = bnx2_get_ringparam,
7141 .set_ringparam = bnx2_set_ringparam,
7142 .get_pauseparam = bnx2_get_pauseparam,
7143 .set_pauseparam = bnx2_set_pauseparam,
7144 .get_rx_csum = bnx2_get_rx_csum,
7145 .set_rx_csum = bnx2_set_rx_csum,
7146 .set_tx_csum = bnx2_set_tx_csum,
7147 .set_sg = ethtool_op_set_sg,
7148 .set_tso = bnx2_set_tso,
7149 .self_test = bnx2_self_test,
7150 .get_strings = bnx2_get_strings,
7151 .phys_id = bnx2_phys_id,
7152 .get_ethtool_stats = bnx2_get_ethtool_stats,
7153 .get_sset_count = bnx2_get_sset_count,
7154 };
7155
7156 /* Called with rtnl_lock */
7157 static int
7158 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7159 {
7160 struct mii_ioctl_data *data = if_mii(ifr);
7161 struct bnx2 *bp = netdev_priv(dev);
7162 int err;
7163
7164 switch(cmd) {
7165 case SIOCGMIIPHY:
7166 data->phy_id = bp->phy_addr;
7167
7168 /* fallthru */
7169 case SIOCGMIIREG: {
7170 u32 mii_regval;
7171
7172 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7173 return -EOPNOTSUPP;
7174
7175 if (!netif_running(dev))
7176 return -EAGAIN;
7177
7178 spin_lock_bh(&bp->phy_lock);
7179 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
7180 spin_unlock_bh(&bp->phy_lock);
7181
7182 data->val_out = mii_regval;
7183
7184 return err;
7185 }
7186
7187 case SIOCSMIIREG:
7188 if (!capable(CAP_NET_ADMIN))
7189 return -EPERM;
7190
7191 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7192 return -EOPNOTSUPP;
7193
7194 if (!netif_running(dev))
7195 return -EAGAIN;
7196
7197 spin_lock_bh(&bp->phy_lock);
7198 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
7199 spin_unlock_bh(&bp->phy_lock);
7200
7201 return err;
7202
7203 default:
7204 /* do nothing */
7205 break;
7206 }
7207 return -EOPNOTSUPP;
7208 }
7209
7210 /* Called with rtnl_lock */
7211 static int
7212 bnx2_change_mac_addr(struct net_device *dev, void *p)
7213 {
7214 struct sockaddr *addr = p;
7215 struct bnx2 *bp = netdev_priv(dev);
7216
7217 if (!is_valid_ether_addr(addr->sa_data))
7218 return -EINVAL;
7219
7220 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7221 if (netif_running(dev))
7222 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
7223
7224 return 0;
7225 }
7226
7227 /* Called with rtnl_lock */
7228 static int
7229 bnx2_change_mtu(struct net_device *dev, int new_mtu)
7230 {
7231 struct bnx2 *bp = netdev_priv(dev);
7232
7233 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7234 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7235 return -EINVAL;
7236
7237 dev->mtu = new_mtu;
7238 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
7239 }
7240
7241 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7242 static void
7243 poll_bnx2(struct net_device *dev)
7244 {
7245 struct bnx2 *bp = netdev_priv(dev);
7246 int i;
7247
7248 for (i = 0; i < bp->irq_nvecs; i++) {
7249 disable_irq(bp->irq_tbl[i].vector);
7250 bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]);
7251 enable_irq(bp->irq_tbl[i].vector);
7252 }
7253 }
7254 #endif
7255
7256 static void __devinit
7257 bnx2_get_5709_media(struct bnx2 *bp)
7258 {
7259 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7260 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7261 u32 strap;
7262
7263 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7264 return;
7265 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
7266 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7267 return;
7268 }
7269
7270 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7271 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7272 else
7273 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7274
7275 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7276 switch (strap) {
7277 case 0x4:
7278 case 0x5:
7279 case 0x6:
7280 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7281 return;
7282 }
7283 } else {
7284 switch (strap) {
7285 case 0x1:
7286 case 0x2:
7287 case 0x4:
7288 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7289 return;
7290 }
7291 }
7292 }
7293
7294 static void __devinit
7295 bnx2_get_pci_speed(struct bnx2 *bp)
7296 {
7297 u32 reg;
7298
7299 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7300 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7301 u32 clkreg;
7302
7303 bp->flags |= BNX2_FLAG_PCIX;
7304
7305 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7306
7307 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7308 switch (clkreg) {
7309 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7310 bp->bus_speed_mhz = 133;
7311 break;
7312
7313 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7314 bp->bus_speed_mhz = 100;
7315 break;
7316
7317 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7318 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7319 bp->bus_speed_mhz = 66;
7320 break;
7321
7322 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7323 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7324 bp->bus_speed_mhz = 50;
7325 break;
7326
7327 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7328 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7329 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7330 bp->bus_speed_mhz = 33;
7331 break;
7332 }
7333 }
7334 else {
7335 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7336 bp->bus_speed_mhz = 66;
7337 else
7338 bp->bus_speed_mhz = 33;
7339 }
7340
7341 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7342 bp->flags |= BNX2_FLAG_PCI_32BIT;
7343
7344 }
7345
7346 static int __devinit
7347 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7348 {
7349 struct bnx2 *bp;
7350 unsigned long mem_len;
7351 int rc, i, j;
7352 u32 reg;
7353 u64 dma_mask, persist_dma_mask;
7354
7355 SET_NETDEV_DEV(dev, &pdev->dev);
7356 bp = netdev_priv(dev);
7357
7358 bp->flags = 0;
7359 bp->phy_flags = 0;
7360
7361 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7362 rc = pci_enable_device(pdev);
7363 if (rc) {
7364 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7365 goto err_out;
7366 }
7367
7368 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7369 dev_err(&pdev->dev,
7370 "Cannot find PCI device base address, aborting.\n");
7371 rc = -ENODEV;
7372 goto err_out_disable;
7373 }
7374
7375 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7376 if (rc) {
7377 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7378 goto err_out_disable;
7379 }
7380
7381 pci_set_master(pdev);
7382 pci_save_state(pdev);
7383
7384 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7385 if (bp->pm_cap == 0) {
7386 dev_err(&pdev->dev,
7387 "Cannot find power management capability, aborting.\n");
7388 rc = -EIO;
7389 goto err_out_release;
7390 }
7391
7392 bp->dev = dev;
7393 bp->pdev = pdev;
7394
7395 spin_lock_init(&bp->phy_lock);
7396 spin_lock_init(&bp->indirect_lock);
7397 INIT_WORK(&bp->reset_task, bnx2_reset_task);
7398
7399 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7400 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS);
7401 dev->mem_end = dev->mem_start + mem_len;
7402 dev->irq = pdev->irq;
7403
7404 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7405
7406 if (!bp->regview) {
7407 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7408 rc = -ENOMEM;
7409 goto err_out_release;
7410 }
7411
7412 /* Configure byte swap and enable write to the reg_window registers.
7413 * Rely on CPU to do target byte swapping on big endian systems
7414 * The chip's target access swapping will not swap all accesses
7415 */
7416 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7417 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7418 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7419
7420 bnx2_set_power_state(bp, PCI_D0);
7421
7422 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7423
7424 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7425 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7426 dev_err(&pdev->dev,
7427 "Cannot find PCIE capability, aborting.\n");
7428 rc = -EIO;
7429 goto err_out_unmap;
7430 }
7431 bp->flags |= BNX2_FLAG_PCIE;
7432 if (CHIP_REV(bp) == CHIP_REV_Ax)
7433 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7434 } else {
7435 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7436 if (bp->pcix_cap == 0) {
7437 dev_err(&pdev->dev,
7438 "Cannot find PCIX capability, aborting.\n");
7439 rc = -EIO;
7440 goto err_out_unmap;
7441 }
7442 }
7443
7444 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7445 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7446 bp->flags |= BNX2_FLAG_MSIX_CAP;
7447 }
7448
7449 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7450 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7451 bp->flags |= BNX2_FLAG_MSI_CAP;
7452 }
7453
7454 /* 5708 cannot support DMA addresses > 40-bit. */
7455 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7456 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7457 else
7458 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7459
7460 /* Configure DMA attributes. */
7461 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7462 dev->features |= NETIF_F_HIGHDMA;
7463 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7464 if (rc) {
7465 dev_err(&pdev->dev,
7466 "pci_set_consistent_dma_mask failed, aborting.\n");
7467 goto err_out_unmap;
7468 }
7469 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7470 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7471 goto err_out_unmap;
7472 }
7473
7474 if (!(bp->flags & BNX2_FLAG_PCIE))
7475 bnx2_get_pci_speed(bp);
7476
7477 /* 5706A0 may falsely detect SERR and PERR. */
7478 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7479 reg = REG_RD(bp, PCI_COMMAND);
7480 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7481 REG_WR(bp, PCI_COMMAND, reg);
7482 }
7483 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7484 !(bp->flags & BNX2_FLAG_PCIX)) {
7485
7486 dev_err(&pdev->dev,
7487 "5706 A1 can only be used in a PCIX bus, aborting.\n");
7488 goto err_out_unmap;
7489 }
7490
7491 bnx2_init_nvram(bp);
7492
7493 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7494
7495 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7496 BNX2_SHM_HDR_SIGNATURE_SIG) {
7497 u32 off = PCI_FUNC(pdev->devfn) << 2;
7498
7499 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7500 } else
7501 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7502
7503 /* Get the permanent MAC address. First we need to make sure the
7504 * firmware is actually running.
7505 */
7506 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7507
7508 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7509 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7510 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7511 rc = -ENODEV;
7512 goto err_out_unmap;
7513 }
7514
7515 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7516 for (i = 0, j = 0; i < 3; i++) {
7517 u8 num, k, skip0;
7518
7519 num = (u8) (reg >> (24 - (i * 8)));
7520 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7521 if (num >= k || !skip0 || k == 1) {
7522 bp->fw_version[j++] = (num / k) + '0';
7523 skip0 = 0;
7524 }
7525 }
7526 if (i != 2)
7527 bp->fw_version[j++] = '.';
7528 }
7529 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7530 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7531 bp->wol = 1;
7532
7533 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7534 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7535
7536 for (i = 0; i < 30; i++) {
7537 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7538 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7539 break;
7540 msleep(10);
7541 }
7542 }
7543 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7544 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7545 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7546 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7547 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7548
7549 bp->fw_version[j++] = ' ';
7550 for (i = 0; i < 3; i++) {
7551 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7552 reg = swab32(reg);
7553 memcpy(&bp->fw_version[j], &reg, 4);
7554 j += 4;
7555 }
7556 }
7557
7558 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7559 bp->mac_addr[0] = (u8) (reg >> 8);
7560 bp->mac_addr[1] = (u8) reg;
7561
7562 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7563 bp->mac_addr[2] = (u8) (reg >> 24);
7564 bp->mac_addr[3] = (u8) (reg >> 16);
7565 bp->mac_addr[4] = (u8) (reg >> 8);
7566 bp->mac_addr[5] = (u8) reg;
7567
7568 bp->tx_ring_size = MAX_TX_DESC_CNT;
7569 bnx2_set_rx_ring_size(bp, 255);
7570
7571 bp->rx_csum = 1;
7572
7573 bp->tx_quick_cons_trip_int = 20;
7574 bp->tx_quick_cons_trip = 20;
7575 bp->tx_ticks_int = 80;
7576 bp->tx_ticks = 80;
7577
7578 bp->rx_quick_cons_trip_int = 6;
7579 bp->rx_quick_cons_trip = 6;
7580 bp->rx_ticks_int = 18;
7581 bp->rx_ticks = 18;
7582
7583 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7584
7585 bp->current_interval = BNX2_TIMER_INTERVAL;
7586
7587 bp->phy_addr = 1;
7588
7589 /* Disable WOL support if we are running on a SERDES chip. */
7590 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7591 bnx2_get_5709_media(bp);
7592 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7593 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7594
7595 bp->phy_port = PORT_TP;
7596 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7597 bp->phy_port = PORT_FIBRE;
7598 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7599 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7600 bp->flags |= BNX2_FLAG_NO_WOL;
7601 bp->wol = 0;
7602 }
7603 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7604 /* Don't do parallel detect on this board because of
7605 * some board problems. The link will not go down
7606 * if we do parallel detect.
7607 */
7608 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7609 pdev->subsystem_device == 0x310c)
7610 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7611 } else {
7612 bp->phy_addr = 2;
7613 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7614 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7615 }
7616 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7617 CHIP_NUM(bp) == CHIP_NUM_5708)
7618 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7619 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7620 (CHIP_REV(bp) == CHIP_REV_Ax ||
7621 CHIP_REV(bp) == CHIP_REV_Bx))
7622 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7623
7624 bnx2_init_fw_cap(bp);
7625
7626 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7627 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7628 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
7629 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
7630 bp->flags |= BNX2_FLAG_NO_WOL;
7631 bp->wol = 0;
7632 }
7633
7634 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7635 bp->tx_quick_cons_trip_int =
7636 bp->tx_quick_cons_trip;
7637 bp->tx_ticks_int = bp->tx_ticks;
7638 bp->rx_quick_cons_trip_int =
7639 bp->rx_quick_cons_trip;
7640 bp->rx_ticks_int = bp->rx_ticks;
7641 bp->comp_prod_trip_int = bp->comp_prod_trip;
7642 bp->com_ticks_int = bp->com_ticks;
7643 bp->cmd_ticks_int = bp->cmd_ticks;
7644 }
7645
7646 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7647 *
7648 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7649 * with byte enables disabled on the unused 32-bit word. This is legal
7650 * but causes problems on the AMD 8132 which will eventually stop
7651 * responding after a while.
7652 *
7653 * AMD believes this incompatibility is unique to the 5706, and
7654 * prefers to locally disable MSI rather than globally disabling it.
7655 */
7656 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7657 struct pci_dev *amd_8132 = NULL;
7658
7659 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7660 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7661 amd_8132))) {
7662
7663 if (amd_8132->revision >= 0x10 &&
7664 amd_8132->revision <= 0x13) {
7665 disable_msi = 1;
7666 pci_dev_put(amd_8132);
7667 break;
7668 }
7669 }
7670 }
7671
7672 bnx2_set_default_link(bp);
7673 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7674
7675 init_timer(&bp->timer);
7676 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
7677 bp->timer.data = (unsigned long) bp;
7678 bp->timer.function = bnx2_timer;
7679
7680 return 0;
7681
7682 err_out_unmap:
7683 if (bp->regview) {
7684 iounmap(bp->regview);
7685 bp->regview = NULL;
7686 }
7687
7688 err_out_release:
7689 pci_release_regions(pdev);
7690
7691 err_out_disable:
7692 pci_disable_device(pdev);
7693 pci_set_drvdata(pdev, NULL);
7694
7695 err_out:
7696 return rc;
7697 }
7698
7699 static char * __devinit
7700 bnx2_bus_string(struct bnx2 *bp, char *str)
7701 {
7702 char *s = str;
7703
7704 if (bp->flags & BNX2_FLAG_PCIE) {
7705 s += sprintf(s, "PCI Express");
7706 } else {
7707 s += sprintf(s, "PCI");
7708 if (bp->flags & BNX2_FLAG_PCIX)
7709 s += sprintf(s, "-X");
7710 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7711 s += sprintf(s, " 32-bit");
7712 else
7713 s += sprintf(s, " 64-bit");
7714 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7715 }
7716 return str;
7717 }
7718
7719 static void __devinit
7720 bnx2_init_napi(struct bnx2 *bp)
7721 {
7722 int i;
7723
7724 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7725 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
7726 int (*poll)(struct napi_struct *, int);
7727
7728 if (i == 0)
7729 poll = bnx2_poll;
7730 else
7731 poll = bnx2_poll_msix;
7732
7733 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
7734 bnapi->bp = bp;
7735 }
7736 }
7737
7738 static const struct net_device_ops bnx2_netdev_ops = {
7739 .ndo_open = bnx2_open,
7740 .ndo_start_xmit = bnx2_start_xmit,
7741 .ndo_stop = bnx2_close,
7742 .ndo_get_stats = bnx2_get_stats,
7743 .ndo_set_rx_mode = bnx2_set_rx_mode,
7744 .ndo_do_ioctl = bnx2_ioctl,
7745 .ndo_validate_addr = eth_validate_addr,
7746 .ndo_set_mac_address = bnx2_change_mac_addr,
7747 .ndo_change_mtu = bnx2_change_mtu,
7748 .ndo_tx_timeout = bnx2_tx_timeout,
7749 #ifdef BCM_VLAN
7750 .ndo_vlan_rx_register = bnx2_vlan_rx_register,
7751 #endif
7752 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7753 .ndo_poll_controller = poll_bnx2,
7754 #endif
7755 };
7756
7757 static int __devinit
7758 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7759 {
7760 static int version_printed = 0;
7761 struct net_device *dev = NULL;
7762 struct bnx2 *bp;
7763 int rc;
7764 char str[40];
7765
7766 if (version_printed++ == 0)
7767 printk(KERN_INFO "%s", version);
7768
7769 /* dev zeroed in init_etherdev */
7770 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
7771
7772 if (!dev)
7773 return -ENOMEM;
7774
7775 rc = bnx2_init_board(pdev, dev);
7776 if (rc < 0) {
7777 free_netdev(dev);
7778 return rc;
7779 }
7780
7781 dev->netdev_ops = &bnx2_netdev_ops;
7782 dev->watchdog_timeo = TX_TIMEOUT;
7783 dev->ethtool_ops = &bnx2_ethtool_ops;
7784
7785 bp = netdev_priv(dev);
7786 bnx2_init_napi(bp);
7787
7788 pci_set_drvdata(pdev, dev);
7789
7790 memcpy(dev->dev_addr, bp->mac_addr, 6);
7791 memcpy(dev->perm_addr, bp->mac_addr, 6);
7792
7793 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7794 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7795 dev->features |= NETIF_F_IPV6_CSUM;
7796
7797 #ifdef BCM_VLAN
7798 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7799 #endif
7800 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7801 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7802 dev->features |= NETIF_F_TSO6;
7803
7804 if ((rc = register_netdev(dev))) {
7805 dev_err(&pdev->dev, "Cannot register net device\n");
7806 if (bp->regview)
7807 iounmap(bp->regview);
7808 pci_release_regions(pdev);
7809 pci_disable_device(pdev);
7810 pci_set_drvdata(pdev, NULL);
7811 free_netdev(dev);
7812 return rc;
7813 }
7814
7815 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7816 "IRQ %d, node addr %pM\n",
7817 dev->name,
7818 board_info[ent->driver_data].name,
7819 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7820 ((CHIP_ID(bp) & 0x0ff0) >> 4),
7821 bnx2_bus_string(bp, str),
7822 dev->base_addr,
7823 bp->pdev->irq, dev->dev_addr);
7824
7825 return 0;
7826 }
7827
7828 static void __devexit
7829 bnx2_remove_one(struct pci_dev *pdev)
7830 {
7831 struct net_device *dev = pci_get_drvdata(pdev);
7832 struct bnx2 *bp = netdev_priv(dev);
7833
7834 flush_scheduled_work();
7835
7836 unregister_netdev(dev);
7837
7838 if (bp->regview)
7839 iounmap(bp->regview);
7840
7841 free_netdev(dev);
7842 pci_release_regions(pdev);
7843 pci_disable_device(pdev);
7844 pci_set_drvdata(pdev, NULL);
7845 }
7846
7847 static int
7848 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7849 {
7850 struct net_device *dev = pci_get_drvdata(pdev);
7851 struct bnx2 *bp = netdev_priv(dev);
7852
7853 /* PCI register 4 needs to be saved whether netif_running() or not.
7854 * MSI address and data need to be saved if using MSI and
7855 * netif_running().
7856 */
7857 pci_save_state(pdev);
7858 if (!netif_running(dev))
7859 return 0;
7860
7861 flush_scheduled_work();
7862 bnx2_netif_stop(bp);
7863 netif_device_detach(dev);
7864 del_timer_sync(&bp->timer);
7865 bnx2_shutdown_chip(bp);
7866 bnx2_free_skbs(bp);
7867 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7868 return 0;
7869 }
7870
7871 static int
7872 bnx2_resume(struct pci_dev *pdev)
7873 {
7874 struct net_device *dev = pci_get_drvdata(pdev);
7875 struct bnx2 *bp = netdev_priv(dev);
7876
7877 pci_restore_state(pdev);
7878 if (!netif_running(dev))
7879 return 0;
7880
7881 bnx2_set_power_state(bp, PCI_D0);
7882 netif_device_attach(dev);
7883 bnx2_init_nic(bp, 1);
7884 bnx2_netif_start(bp);
7885 return 0;
7886 }
7887
7888 /**
7889 * bnx2_io_error_detected - called when PCI error is detected
7890 * @pdev: Pointer to PCI device
7891 * @state: The current pci connection state
7892 *
7893 * This function is called after a PCI bus error affecting
7894 * this device has been detected.
7895 */
7896 static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
7897 pci_channel_state_t state)
7898 {
7899 struct net_device *dev = pci_get_drvdata(pdev);
7900 struct bnx2 *bp = netdev_priv(dev);
7901
7902 rtnl_lock();
7903 netif_device_detach(dev);
7904
7905 if (netif_running(dev)) {
7906 bnx2_netif_stop(bp);
7907 del_timer_sync(&bp->timer);
7908 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
7909 }
7910
7911 pci_disable_device(pdev);
7912 rtnl_unlock();
7913
7914 /* Request a slot slot reset. */
7915 return PCI_ERS_RESULT_NEED_RESET;
7916 }
7917
7918 /**
7919 * bnx2_io_slot_reset - called after the pci bus has been reset.
7920 * @pdev: Pointer to PCI device
7921 *
7922 * Restart the card from scratch, as if from a cold-boot.
7923 */
7924 static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
7925 {
7926 struct net_device *dev = pci_get_drvdata(pdev);
7927 struct bnx2 *bp = netdev_priv(dev);
7928
7929 rtnl_lock();
7930 if (pci_enable_device(pdev)) {
7931 dev_err(&pdev->dev,
7932 "Cannot re-enable PCI device after reset.\n");
7933 rtnl_unlock();
7934 return PCI_ERS_RESULT_DISCONNECT;
7935 }
7936 pci_set_master(pdev);
7937 pci_restore_state(pdev);
7938
7939 if (netif_running(dev)) {
7940 bnx2_set_power_state(bp, PCI_D0);
7941 bnx2_init_nic(bp, 1);
7942 }
7943
7944 rtnl_unlock();
7945 return PCI_ERS_RESULT_RECOVERED;
7946 }
7947
7948 /**
7949 * bnx2_io_resume - called when traffic can start flowing again.
7950 * @pdev: Pointer to PCI device
7951 *
7952 * This callback is called when the error recovery driver tells us that
7953 * its OK to resume normal operation.
7954 */
7955 static void bnx2_io_resume(struct pci_dev *pdev)
7956 {
7957 struct net_device *dev = pci_get_drvdata(pdev);
7958 struct bnx2 *bp = netdev_priv(dev);
7959
7960 rtnl_lock();
7961 if (netif_running(dev))
7962 bnx2_netif_start(bp);
7963
7964 netif_device_attach(dev);
7965 rtnl_unlock();
7966 }
7967
7968 static struct pci_error_handlers bnx2_err_handler = {
7969 .error_detected = bnx2_io_error_detected,
7970 .slot_reset = bnx2_io_slot_reset,
7971 .resume = bnx2_io_resume,
7972 };
7973
7974 static struct pci_driver bnx2_pci_driver = {
7975 .name = DRV_MODULE_NAME,
7976 .id_table = bnx2_pci_tbl,
7977 .probe = bnx2_init_one,
7978 .remove = __devexit_p(bnx2_remove_one),
7979 .suspend = bnx2_suspend,
7980 .resume = bnx2_resume,
7981 .err_handler = &bnx2_err_handler,
7982 };
7983
7984 static int __init bnx2_init(void)
7985 {
7986 return pci_register_driver(&bnx2_pci_driver);
7987 }
7988
7989 static void __exit bnx2_cleanup(void)
7990 {
7991 pci_unregister_driver(&bnx2_pci_driver);
7992 }
7993
7994 module_init(bnx2_init);
7995 module_exit(bnx2_cleanup);
7996
7997
7998
Support for the Chinese Samsung S3C2440 based development boards