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bnx2: Update MODULE_DESCRIPTION to include the 5716
[deliverable/linux.git] / drivers / net / bnx2.c
1 /* bnx2.c: Broadcom NX2 network driver.
2 *
3 * Copyright (c) 2004-2008 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Written by: Michael Chan (mchan@broadcom.com)
10 */
11
12
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15
16 #include <linux/kernel.h>
17 #include <linux/timer.h>
18 #include <linux/errno.h>
19 #include <linux/ioport.h>
20 #include <linux/slab.h>
21 #include <linux/vmalloc.h>
22 #include <linux/interrupt.h>
23 #include <linux/pci.h>
24 #include <linux/init.h>
25 #include <linux/netdevice.h>
26 #include <linux/etherdevice.h>
27 #include <linux/skbuff.h>
28 #include <linux/dma-mapping.h>
29 #include <linux/bitops.h>
30 #include <asm/io.h>
31 #include <asm/irq.h>
32 #include <linux/delay.h>
33 #include <asm/byteorder.h>
34 #include <asm/page.h>
35 #include <linux/time.h>
36 #include <linux/ethtool.h>
37 #include <linux/mii.h>
38 #include <linux/if_vlan.h>
39 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
40 #define BCM_VLAN 1
41 #endif
42 #include <net/ip.h>
43 #include <net/tcp.h>
44 #include <net/checksum.h>
45 #include <linux/workqueue.h>
46 #include <linux/crc32.h>
47 #include <linux/prefetch.h>
48 #include <linux/cache.h>
49 #include <linux/zlib.h>
50 #include <linux/log2.h>
51
52 #include "bnx2.h"
53 #include "bnx2_fw.h"
54 #include "bnx2_fw2.h"
55
56 #define FW_BUF_SIZE 0x10000
57
58 #define DRV_MODULE_NAME "bnx2"
59 #define PFX DRV_MODULE_NAME ": "
60 #define DRV_MODULE_VERSION "1.8.0"
61 #define DRV_MODULE_RELDATE "Aug 14, 2008"
62
63 #define RUN_AT(x) (jiffies + (x))
64
65 /* Time in jiffies before concluding the transmitter is hung. */
66 #define TX_TIMEOUT (5*HZ)
67
68 static char version[] __devinitdata =
69 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
70
71 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
72 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
73 MODULE_LICENSE("GPL");
74 MODULE_VERSION(DRV_MODULE_VERSION);
75
76 static int disable_msi = 0;
77
78 module_param(disable_msi, int, 0);
79 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
80
81 typedef enum {
82 BCM5706 = 0,
83 NC370T,
84 NC370I,
85 BCM5706S,
86 NC370F,
87 BCM5708,
88 BCM5708S,
89 BCM5709,
90 BCM5709S,
91 BCM5716,
92 } board_t;
93
94 /* indexed by board_t, above */
95 static struct {
96 char *name;
97 } board_info[] __devinitdata = {
98 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
99 { "HP NC370T Multifunction Gigabit Server Adapter" },
100 { "HP NC370i Multifunction Gigabit Server Adapter" },
101 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
102 { "HP NC370F Multifunction Gigabit Server Adapter" },
103 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
104 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
105 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
106 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
107 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
108 };
109
110 static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
111 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
112 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
113 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
114 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
115 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
116 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
117 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
119 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
120 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
121 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
122 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
123 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
124 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
125 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
126 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
127 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
128 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
129 { PCI_VENDOR_ID_BROADCOM, 0x163b,
130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
131 { 0, }
132 };
133
134 static struct flash_spec flash_table[] =
135 {
136 #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
137 #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
138 /* Slow EEPROM */
139 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
140 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
141 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
142 "EEPROM - slow"},
143 /* Expansion entry 0001 */
144 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
145 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
146 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
147 "Entry 0001"},
148 /* Saifun SA25F010 (non-buffered flash) */
149 /* strap, cfg1, & write1 need updates */
150 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
151 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
152 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
153 "Non-buffered flash (128kB)"},
154 /* Saifun SA25F020 (non-buffered flash) */
155 /* strap, cfg1, & write1 need updates */
156 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
157 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
158 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
159 "Non-buffered flash (256kB)"},
160 /* Expansion entry 0100 */
161 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
162 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
163 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
164 "Entry 0100"},
165 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
166 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
167 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
168 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
169 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
170 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
171 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
172 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
173 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
174 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
175 /* Saifun SA25F005 (non-buffered flash) */
176 /* strap, cfg1, & write1 need updates */
177 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
178 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
179 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
180 "Non-buffered flash (64kB)"},
181 /* Fast EEPROM */
182 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
183 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
184 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
185 "EEPROM - fast"},
186 /* Expansion entry 1001 */
187 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
188 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
189 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
190 "Entry 1001"},
191 /* Expansion entry 1010 */
192 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
193 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
194 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
195 "Entry 1010"},
196 /* ATMEL AT45DB011B (buffered flash) */
197 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
198 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
199 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
200 "Buffered flash (128kB)"},
201 /* Expansion entry 1100 */
202 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1100"},
206 /* Expansion entry 1101 */
207 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
208 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
209 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1101"},
211 /* Ateml Expansion entry 1110 */
212 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
214 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
215 "Entry 1110 (Atmel)"},
216 /* ATMEL AT45DB021B (buffered flash) */
217 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
218 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
219 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
220 "Buffered flash (256kB)"},
221 };
222
223 static struct flash_spec flash_5709 = {
224 .flags = BNX2_NV_BUFFERED,
225 .page_bits = BCM5709_FLASH_PAGE_BITS,
226 .page_size = BCM5709_FLASH_PAGE_SIZE,
227 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
228 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
229 .name = "5709 Buffered flash (256kB)",
230 };
231
232 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
233
234 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
235 {
236 u32 diff;
237
238 smp_mb();
239
240 /* The ring uses 256 indices for 255 entries, one of them
241 * needs to be skipped.
242 */
243 diff = txr->tx_prod - txr->tx_cons;
244 if (unlikely(diff >= TX_DESC_CNT)) {
245 diff &= 0xffff;
246 if (diff == TX_DESC_CNT)
247 diff = MAX_TX_DESC_CNT;
248 }
249 return (bp->tx_ring_size - diff);
250 }
251
252 static u32
253 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
254 {
255 u32 val;
256
257 spin_lock_bh(&bp->indirect_lock);
258 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
259 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
260 spin_unlock_bh(&bp->indirect_lock);
261 return val;
262 }
263
264 static void
265 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
266 {
267 spin_lock_bh(&bp->indirect_lock);
268 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
269 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
270 spin_unlock_bh(&bp->indirect_lock);
271 }
272
273 static void
274 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
275 {
276 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
277 }
278
279 static u32
280 bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
281 {
282 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
283 }
284
285 static void
286 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
287 {
288 offset += cid_addr;
289 spin_lock_bh(&bp->indirect_lock);
290 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
291 int i;
292
293 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
294 REG_WR(bp, BNX2_CTX_CTX_CTRL,
295 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
296 for (i = 0; i < 5; i++) {
297 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
298 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
299 break;
300 udelay(5);
301 }
302 } else {
303 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
304 REG_WR(bp, BNX2_CTX_DATA, val);
305 }
306 spin_unlock_bh(&bp->indirect_lock);
307 }
308
309 static int
310 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
311 {
312 u32 val1;
313 int i, ret;
314
315 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
316 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
317 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
318
319 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
320 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
321
322 udelay(40);
323 }
324
325 val1 = (bp->phy_addr << 21) | (reg << 16) |
326 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
327 BNX2_EMAC_MDIO_COMM_START_BUSY;
328 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
329
330 for (i = 0; i < 50; i++) {
331 udelay(10);
332
333 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
334 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
335 udelay(5);
336
337 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
338 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
339
340 break;
341 }
342 }
343
344 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
345 *val = 0x0;
346 ret = -EBUSY;
347 }
348 else {
349 *val = val1;
350 ret = 0;
351 }
352
353 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
354 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
355 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
356
357 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
358 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
359
360 udelay(40);
361 }
362
363 return ret;
364 }
365
366 static int
367 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
368 {
369 u32 val1;
370 int i, ret;
371
372 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
373 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
374 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
375
376 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
377 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
378
379 udelay(40);
380 }
381
382 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
383 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
384 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
385 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
386
387 for (i = 0; i < 50; i++) {
388 udelay(10);
389
390 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
391 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
392 udelay(5);
393 break;
394 }
395 }
396
397 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
398 ret = -EBUSY;
399 else
400 ret = 0;
401
402 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
403 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
404 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
405
406 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
407 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
408
409 udelay(40);
410 }
411
412 return ret;
413 }
414
415 static void
416 bnx2_disable_int(struct bnx2 *bp)
417 {
418 int i;
419 struct bnx2_napi *bnapi;
420
421 for (i = 0; i < bp->irq_nvecs; i++) {
422 bnapi = &bp->bnx2_napi[i];
423 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
424 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
425 }
426 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
427 }
428
429 static void
430 bnx2_enable_int(struct bnx2 *bp)
431 {
432 int i;
433 struct bnx2_napi *bnapi;
434
435 for (i = 0; i < bp->irq_nvecs; i++) {
436 bnapi = &bp->bnx2_napi[i];
437
438 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
439 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
440 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
441 bnapi->last_status_idx);
442
443 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
444 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
445 bnapi->last_status_idx);
446 }
447 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
448 }
449
450 static void
451 bnx2_disable_int_sync(struct bnx2 *bp)
452 {
453 int i;
454
455 atomic_inc(&bp->intr_sem);
456 bnx2_disable_int(bp);
457 for (i = 0; i < bp->irq_nvecs; i++)
458 synchronize_irq(bp->irq_tbl[i].vector);
459 }
460
461 static void
462 bnx2_napi_disable(struct bnx2 *bp)
463 {
464 int i;
465
466 for (i = 0; i < bp->irq_nvecs; i++)
467 napi_disable(&bp->bnx2_napi[i].napi);
468 }
469
470 static void
471 bnx2_napi_enable(struct bnx2 *bp)
472 {
473 int i;
474
475 for (i = 0; i < bp->irq_nvecs; i++)
476 napi_enable(&bp->bnx2_napi[i].napi);
477 }
478
479 static void
480 bnx2_netif_stop(struct bnx2 *bp)
481 {
482 bnx2_disable_int_sync(bp);
483 if (netif_running(bp->dev)) {
484 bnx2_napi_disable(bp);
485 netif_tx_disable(bp->dev);
486 bp->dev->trans_start = jiffies; /* prevent tx timeout */
487 }
488 }
489
490 static void
491 bnx2_netif_start(struct bnx2 *bp)
492 {
493 if (atomic_dec_and_test(&bp->intr_sem)) {
494 if (netif_running(bp->dev)) {
495 netif_tx_wake_all_queues(bp->dev);
496 bnx2_napi_enable(bp);
497 bnx2_enable_int(bp);
498 }
499 }
500 }
501
502 static void
503 bnx2_free_tx_mem(struct bnx2 *bp)
504 {
505 int i;
506
507 for (i = 0; i < bp->num_tx_rings; i++) {
508 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
509 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
510
511 if (txr->tx_desc_ring) {
512 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
513 txr->tx_desc_ring,
514 txr->tx_desc_mapping);
515 txr->tx_desc_ring = NULL;
516 }
517 kfree(txr->tx_buf_ring);
518 txr->tx_buf_ring = NULL;
519 }
520 }
521
522 static void
523 bnx2_free_rx_mem(struct bnx2 *bp)
524 {
525 int i;
526
527 for (i = 0; i < bp->num_rx_rings; i++) {
528 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
529 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
530 int j;
531
532 for (j = 0; j < bp->rx_max_ring; j++) {
533 if (rxr->rx_desc_ring[j])
534 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
535 rxr->rx_desc_ring[j],
536 rxr->rx_desc_mapping[j]);
537 rxr->rx_desc_ring[j] = NULL;
538 }
539 if (rxr->rx_buf_ring)
540 vfree(rxr->rx_buf_ring);
541 rxr->rx_buf_ring = NULL;
542
543 for (j = 0; j < bp->rx_max_pg_ring; j++) {
544 if (rxr->rx_pg_desc_ring[j])
545 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
546 rxr->rx_pg_desc_ring[i],
547 rxr->rx_pg_desc_mapping[i]);
548 rxr->rx_pg_desc_ring[i] = NULL;
549 }
550 if (rxr->rx_pg_ring)
551 vfree(rxr->rx_pg_ring);
552 rxr->rx_pg_ring = NULL;
553 }
554 }
555
556 static int
557 bnx2_alloc_tx_mem(struct bnx2 *bp)
558 {
559 int i;
560
561 for (i = 0; i < bp->num_tx_rings; i++) {
562 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
563 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
564
565 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
566 if (txr->tx_buf_ring == NULL)
567 return -ENOMEM;
568
569 txr->tx_desc_ring =
570 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
571 &txr->tx_desc_mapping);
572 if (txr->tx_desc_ring == NULL)
573 return -ENOMEM;
574 }
575 return 0;
576 }
577
578 static int
579 bnx2_alloc_rx_mem(struct bnx2 *bp)
580 {
581 int i;
582
583 for (i = 0; i < bp->num_rx_rings; i++) {
584 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
585 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
586 int j;
587
588 rxr->rx_buf_ring =
589 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
590 if (rxr->rx_buf_ring == NULL)
591 return -ENOMEM;
592
593 memset(rxr->rx_buf_ring, 0,
594 SW_RXBD_RING_SIZE * bp->rx_max_ring);
595
596 for (j = 0; j < bp->rx_max_ring; j++) {
597 rxr->rx_desc_ring[j] =
598 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
599 &rxr->rx_desc_mapping[j]);
600 if (rxr->rx_desc_ring[j] == NULL)
601 return -ENOMEM;
602
603 }
604
605 if (bp->rx_pg_ring_size) {
606 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
607 bp->rx_max_pg_ring);
608 if (rxr->rx_pg_ring == NULL)
609 return -ENOMEM;
610
611 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
612 bp->rx_max_pg_ring);
613 }
614
615 for (j = 0; j < bp->rx_max_pg_ring; j++) {
616 rxr->rx_pg_desc_ring[j] =
617 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
618 &rxr->rx_pg_desc_mapping[j]);
619 if (rxr->rx_pg_desc_ring[j] == NULL)
620 return -ENOMEM;
621
622 }
623 }
624 return 0;
625 }
626
627 static void
628 bnx2_free_mem(struct bnx2 *bp)
629 {
630 int i;
631 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
632
633 bnx2_free_tx_mem(bp);
634 bnx2_free_rx_mem(bp);
635
636 for (i = 0; i < bp->ctx_pages; i++) {
637 if (bp->ctx_blk[i]) {
638 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
639 bp->ctx_blk[i],
640 bp->ctx_blk_mapping[i]);
641 bp->ctx_blk[i] = NULL;
642 }
643 }
644 if (bnapi->status_blk.msi) {
645 pci_free_consistent(bp->pdev, bp->status_stats_size,
646 bnapi->status_blk.msi,
647 bp->status_blk_mapping);
648 bnapi->status_blk.msi = NULL;
649 bp->stats_blk = NULL;
650 }
651 }
652
653 static int
654 bnx2_alloc_mem(struct bnx2 *bp)
655 {
656 int i, status_blk_size, err;
657 struct bnx2_napi *bnapi;
658 void *status_blk;
659
660 /* Combine status and statistics blocks into one allocation. */
661 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
662 if (bp->flags & BNX2_FLAG_MSIX_CAP)
663 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
664 BNX2_SBLK_MSIX_ALIGN_SIZE);
665 bp->status_stats_size = status_blk_size +
666 sizeof(struct statistics_block);
667
668 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
669 &bp->status_blk_mapping);
670 if (status_blk == NULL)
671 goto alloc_mem_err;
672
673 memset(status_blk, 0, bp->status_stats_size);
674
675 bnapi = &bp->bnx2_napi[0];
676 bnapi->status_blk.msi = status_blk;
677 bnapi->hw_tx_cons_ptr =
678 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
679 bnapi->hw_rx_cons_ptr =
680 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
681 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
682 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
683 struct status_block_msix *sblk;
684
685 bnapi = &bp->bnx2_napi[i];
686
687 sblk = (void *) (status_blk +
688 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
689 bnapi->status_blk.msix = sblk;
690 bnapi->hw_tx_cons_ptr =
691 &sblk->status_tx_quick_consumer_index;
692 bnapi->hw_rx_cons_ptr =
693 &sblk->status_rx_quick_consumer_index;
694 bnapi->int_num = i << 24;
695 }
696 }
697
698 bp->stats_blk = status_blk + status_blk_size;
699
700 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
701
702 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
703 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
704 if (bp->ctx_pages == 0)
705 bp->ctx_pages = 1;
706 for (i = 0; i < bp->ctx_pages; i++) {
707 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
708 BCM_PAGE_SIZE,
709 &bp->ctx_blk_mapping[i]);
710 if (bp->ctx_blk[i] == NULL)
711 goto alloc_mem_err;
712 }
713 }
714
715 err = bnx2_alloc_rx_mem(bp);
716 if (err)
717 goto alloc_mem_err;
718
719 err = bnx2_alloc_tx_mem(bp);
720 if (err)
721 goto alloc_mem_err;
722
723 return 0;
724
725 alloc_mem_err:
726 bnx2_free_mem(bp);
727 return -ENOMEM;
728 }
729
730 static void
731 bnx2_report_fw_link(struct bnx2 *bp)
732 {
733 u32 fw_link_status = 0;
734
735 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
736 return;
737
738 if (bp->link_up) {
739 u32 bmsr;
740
741 switch (bp->line_speed) {
742 case SPEED_10:
743 if (bp->duplex == DUPLEX_HALF)
744 fw_link_status = BNX2_LINK_STATUS_10HALF;
745 else
746 fw_link_status = BNX2_LINK_STATUS_10FULL;
747 break;
748 case SPEED_100:
749 if (bp->duplex == DUPLEX_HALF)
750 fw_link_status = BNX2_LINK_STATUS_100HALF;
751 else
752 fw_link_status = BNX2_LINK_STATUS_100FULL;
753 break;
754 case SPEED_1000:
755 if (bp->duplex == DUPLEX_HALF)
756 fw_link_status = BNX2_LINK_STATUS_1000HALF;
757 else
758 fw_link_status = BNX2_LINK_STATUS_1000FULL;
759 break;
760 case SPEED_2500:
761 if (bp->duplex == DUPLEX_HALF)
762 fw_link_status = BNX2_LINK_STATUS_2500HALF;
763 else
764 fw_link_status = BNX2_LINK_STATUS_2500FULL;
765 break;
766 }
767
768 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
769
770 if (bp->autoneg) {
771 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
772
773 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
774 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
775
776 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
777 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
778 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
779 else
780 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
781 }
782 }
783 else
784 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
785
786 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
787 }
788
789 static char *
790 bnx2_xceiver_str(struct bnx2 *bp)
791 {
792 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
793 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
794 "Copper"));
795 }
796
797 static void
798 bnx2_report_link(struct bnx2 *bp)
799 {
800 if (bp->link_up) {
801 netif_carrier_on(bp->dev);
802 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
803 bnx2_xceiver_str(bp));
804
805 printk("%d Mbps ", bp->line_speed);
806
807 if (bp->duplex == DUPLEX_FULL)
808 printk("full duplex");
809 else
810 printk("half duplex");
811
812 if (bp->flow_ctrl) {
813 if (bp->flow_ctrl & FLOW_CTRL_RX) {
814 printk(", receive ");
815 if (bp->flow_ctrl & FLOW_CTRL_TX)
816 printk("& transmit ");
817 }
818 else {
819 printk(", transmit ");
820 }
821 printk("flow control ON");
822 }
823 printk("\n");
824 }
825 else {
826 netif_carrier_off(bp->dev);
827 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
828 bnx2_xceiver_str(bp));
829 }
830
831 bnx2_report_fw_link(bp);
832 }
833
834 static void
835 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
836 {
837 u32 local_adv, remote_adv;
838
839 bp->flow_ctrl = 0;
840 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
841 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
842
843 if (bp->duplex == DUPLEX_FULL) {
844 bp->flow_ctrl = bp->req_flow_ctrl;
845 }
846 return;
847 }
848
849 if (bp->duplex != DUPLEX_FULL) {
850 return;
851 }
852
853 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
854 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
855 u32 val;
856
857 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
858 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
859 bp->flow_ctrl |= FLOW_CTRL_TX;
860 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
861 bp->flow_ctrl |= FLOW_CTRL_RX;
862 return;
863 }
864
865 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
866 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
867
868 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
869 u32 new_local_adv = 0;
870 u32 new_remote_adv = 0;
871
872 if (local_adv & ADVERTISE_1000XPAUSE)
873 new_local_adv |= ADVERTISE_PAUSE_CAP;
874 if (local_adv & ADVERTISE_1000XPSE_ASYM)
875 new_local_adv |= ADVERTISE_PAUSE_ASYM;
876 if (remote_adv & ADVERTISE_1000XPAUSE)
877 new_remote_adv |= ADVERTISE_PAUSE_CAP;
878 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
879 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
880
881 local_adv = new_local_adv;
882 remote_adv = new_remote_adv;
883 }
884
885 /* See Table 28B-3 of 802.3ab-1999 spec. */
886 if (local_adv & ADVERTISE_PAUSE_CAP) {
887 if(local_adv & ADVERTISE_PAUSE_ASYM) {
888 if (remote_adv & ADVERTISE_PAUSE_CAP) {
889 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
890 }
891 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
892 bp->flow_ctrl = FLOW_CTRL_RX;
893 }
894 }
895 else {
896 if (remote_adv & ADVERTISE_PAUSE_CAP) {
897 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
898 }
899 }
900 }
901 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
902 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
903 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
904
905 bp->flow_ctrl = FLOW_CTRL_TX;
906 }
907 }
908 }
909
910 static int
911 bnx2_5709s_linkup(struct bnx2 *bp)
912 {
913 u32 val, speed;
914
915 bp->link_up = 1;
916
917 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
918 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
919 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
920
921 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
922 bp->line_speed = bp->req_line_speed;
923 bp->duplex = bp->req_duplex;
924 return 0;
925 }
926 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
927 switch (speed) {
928 case MII_BNX2_GP_TOP_AN_SPEED_10:
929 bp->line_speed = SPEED_10;
930 break;
931 case MII_BNX2_GP_TOP_AN_SPEED_100:
932 bp->line_speed = SPEED_100;
933 break;
934 case MII_BNX2_GP_TOP_AN_SPEED_1G:
935 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
936 bp->line_speed = SPEED_1000;
937 break;
938 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
939 bp->line_speed = SPEED_2500;
940 break;
941 }
942 if (val & MII_BNX2_GP_TOP_AN_FD)
943 bp->duplex = DUPLEX_FULL;
944 else
945 bp->duplex = DUPLEX_HALF;
946 return 0;
947 }
948
949 static int
950 bnx2_5708s_linkup(struct bnx2 *bp)
951 {
952 u32 val;
953
954 bp->link_up = 1;
955 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
956 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
957 case BCM5708S_1000X_STAT1_SPEED_10:
958 bp->line_speed = SPEED_10;
959 break;
960 case BCM5708S_1000X_STAT1_SPEED_100:
961 bp->line_speed = SPEED_100;
962 break;
963 case BCM5708S_1000X_STAT1_SPEED_1G:
964 bp->line_speed = SPEED_1000;
965 break;
966 case BCM5708S_1000X_STAT1_SPEED_2G5:
967 bp->line_speed = SPEED_2500;
968 break;
969 }
970 if (val & BCM5708S_1000X_STAT1_FD)
971 bp->duplex = DUPLEX_FULL;
972 else
973 bp->duplex = DUPLEX_HALF;
974
975 return 0;
976 }
977
978 static int
979 bnx2_5706s_linkup(struct bnx2 *bp)
980 {
981 u32 bmcr, local_adv, remote_adv, common;
982
983 bp->link_up = 1;
984 bp->line_speed = SPEED_1000;
985
986 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
987 if (bmcr & BMCR_FULLDPLX) {
988 bp->duplex = DUPLEX_FULL;
989 }
990 else {
991 bp->duplex = DUPLEX_HALF;
992 }
993
994 if (!(bmcr & BMCR_ANENABLE)) {
995 return 0;
996 }
997
998 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
999 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1000
1001 common = local_adv & remote_adv;
1002 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1003
1004 if (common & ADVERTISE_1000XFULL) {
1005 bp->duplex = DUPLEX_FULL;
1006 }
1007 else {
1008 bp->duplex = DUPLEX_HALF;
1009 }
1010 }
1011
1012 return 0;
1013 }
1014
1015 static int
1016 bnx2_copper_linkup(struct bnx2 *bp)
1017 {
1018 u32 bmcr;
1019
1020 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1021 if (bmcr & BMCR_ANENABLE) {
1022 u32 local_adv, remote_adv, common;
1023
1024 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1025 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1026
1027 common = local_adv & (remote_adv >> 2);
1028 if (common & ADVERTISE_1000FULL) {
1029 bp->line_speed = SPEED_1000;
1030 bp->duplex = DUPLEX_FULL;
1031 }
1032 else if (common & ADVERTISE_1000HALF) {
1033 bp->line_speed = SPEED_1000;
1034 bp->duplex = DUPLEX_HALF;
1035 }
1036 else {
1037 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1038 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1039
1040 common = local_adv & remote_adv;
1041 if (common & ADVERTISE_100FULL) {
1042 bp->line_speed = SPEED_100;
1043 bp->duplex = DUPLEX_FULL;
1044 }
1045 else if (common & ADVERTISE_100HALF) {
1046 bp->line_speed = SPEED_100;
1047 bp->duplex = DUPLEX_HALF;
1048 }
1049 else if (common & ADVERTISE_10FULL) {
1050 bp->line_speed = SPEED_10;
1051 bp->duplex = DUPLEX_FULL;
1052 }
1053 else if (common & ADVERTISE_10HALF) {
1054 bp->line_speed = SPEED_10;
1055 bp->duplex = DUPLEX_HALF;
1056 }
1057 else {
1058 bp->line_speed = 0;
1059 bp->link_up = 0;
1060 }
1061 }
1062 }
1063 else {
1064 if (bmcr & BMCR_SPEED100) {
1065 bp->line_speed = SPEED_100;
1066 }
1067 else {
1068 bp->line_speed = SPEED_10;
1069 }
1070 if (bmcr & BMCR_FULLDPLX) {
1071 bp->duplex = DUPLEX_FULL;
1072 }
1073 else {
1074 bp->duplex = DUPLEX_HALF;
1075 }
1076 }
1077
1078 return 0;
1079 }
1080
1081 static void
1082 bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
1083 {
1084 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
1085
1086 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1087 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1088 val |= 0x02 << 8;
1089
1090 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1091 u32 lo_water, hi_water;
1092
1093 if (bp->flow_ctrl & FLOW_CTRL_TX)
1094 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1095 else
1096 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1097 if (lo_water >= bp->rx_ring_size)
1098 lo_water = 0;
1099
1100 hi_water = bp->rx_ring_size / 4;
1101
1102 if (hi_water <= lo_water)
1103 lo_water = 0;
1104
1105 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1106 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1107
1108 if (hi_water > 0xf)
1109 hi_water = 0xf;
1110 else if (hi_water == 0)
1111 lo_water = 0;
1112 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1113 }
1114 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1115 }
1116
1117 static void
1118 bnx2_init_all_rx_contexts(struct bnx2 *bp)
1119 {
1120 int i;
1121 u32 cid;
1122
1123 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1124 if (i == 1)
1125 cid = RX_RSS_CID;
1126 bnx2_init_rx_context(bp, cid);
1127 }
1128 }
1129
1130 static void
1131 bnx2_set_mac_link(struct bnx2 *bp)
1132 {
1133 u32 val;
1134
1135 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1136 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1137 (bp->duplex == DUPLEX_HALF)) {
1138 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1139 }
1140
1141 /* Configure the EMAC mode register. */
1142 val = REG_RD(bp, BNX2_EMAC_MODE);
1143
1144 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1145 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1146 BNX2_EMAC_MODE_25G_MODE);
1147
1148 if (bp->link_up) {
1149 switch (bp->line_speed) {
1150 case SPEED_10:
1151 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1152 val |= BNX2_EMAC_MODE_PORT_MII_10M;
1153 break;
1154 }
1155 /* fall through */
1156 case SPEED_100:
1157 val |= BNX2_EMAC_MODE_PORT_MII;
1158 break;
1159 case SPEED_2500:
1160 val |= BNX2_EMAC_MODE_25G_MODE;
1161 /* fall through */
1162 case SPEED_1000:
1163 val |= BNX2_EMAC_MODE_PORT_GMII;
1164 break;
1165 }
1166 }
1167 else {
1168 val |= BNX2_EMAC_MODE_PORT_GMII;
1169 }
1170
1171 /* Set the MAC to operate in the appropriate duplex mode. */
1172 if (bp->duplex == DUPLEX_HALF)
1173 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1174 REG_WR(bp, BNX2_EMAC_MODE, val);
1175
1176 /* Enable/disable rx PAUSE. */
1177 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1178
1179 if (bp->flow_ctrl & FLOW_CTRL_RX)
1180 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1181 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1182
1183 /* Enable/disable tx PAUSE. */
1184 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1185 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1186
1187 if (bp->flow_ctrl & FLOW_CTRL_TX)
1188 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1189 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1190
1191 /* Acknowledge the interrupt. */
1192 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1193
1194 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1195 bnx2_init_all_rx_contexts(bp);
1196 }
1197
1198 static void
1199 bnx2_enable_bmsr1(struct bnx2 *bp)
1200 {
1201 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1202 (CHIP_NUM(bp) == CHIP_NUM_5709))
1203 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1204 MII_BNX2_BLK_ADDR_GP_STATUS);
1205 }
1206
1207 static void
1208 bnx2_disable_bmsr1(struct bnx2 *bp)
1209 {
1210 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1211 (CHIP_NUM(bp) == CHIP_NUM_5709))
1212 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1213 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1214 }
1215
1216 static int
1217 bnx2_test_and_enable_2g5(struct bnx2 *bp)
1218 {
1219 u32 up1;
1220 int ret = 1;
1221
1222 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1223 return 0;
1224
1225 if (bp->autoneg & AUTONEG_SPEED)
1226 bp->advertising |= ADVERTISED_2500baseX_Full;
1227
1228 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1229 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1230
1231 bnx2_read_phy(bp, bp->mii_up1, &up1);
1232 if (!(up1 & BCM5708S_UP1_2G5)) {
1233 up1 |= BCM5708S_UP1_2G5;
1234 bnx2_write_phy(bp, bp->mii_up1, up1);
1235 ret = 0;
1236 }
1237
1238 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1239 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1240 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1241
1242 return ret;
1243 }
1244
1245 static int
1246 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1247 {
1248 u32 up1;
1249 int ret = 0;
1250
1251 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1252 return 0;
1253
1254 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1255 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1256
1257 bnx2_read_phy(bp, bp->mii_up1, &up1);
1258 if (up1 & BCM5708S_UP1_2G5) {
1259 up1 &= ~BCM5708S_UP1_2G5;
1260 bnx2_write_phy(bp, bp->mii_up1, up1);
1261 ret = 1;
1262 }
1263
1264 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1265 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1266 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1267
1268 return ret;
1269 }
1270
1271 static void
1272 bnx2_enable_forced_2g5(struct bnx2 *bp)
1273 {
1274 u32 bmcr;
1275
1276 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1277 return;
1278
1279 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1280 u32 val;
1281
1282 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1283 MII_BNX2_BLK_ADDR_SERDES_DIG);
1284 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1285 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1286 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1287 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1288
1289 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1290 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1291 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1292
1293 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1294 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1295 bmcr |= BCM5708S_BMCR_FORCE_2500;
1296 }
1297
1298 if (bp->autoneg & AUTONEG_SPEED) {
1299 bmcr &= ~BMCR_ANENABLE;
1300 if (bp->req_duplex == DUPLEX_FULL)
1301 bmcr |= BMCR_FULLDPLX;
1302 }
1303 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1304 }
1305
1306 static void
1307 bnx2_disable_forced_2g5(struct bnx2 *bp)
1308 {
1309 u32 bmcr;
1310
1311 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1312 return;
1313
1314 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1315 u32 val;
1316
1317 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1318 MII_BNX2_BLK_ADDR_SERDES_DIG);
1319 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1320 val &= ~MII_BNX2_SD_MISC1_FORCE;
1321 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1322
1323 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1324 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1325 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1326
1327 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1328 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1329 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1330 }
1331
1332 if (bp->autoneg & AUTONEG_SPEED)
1333 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1334 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1335 }
1336
1337 static void
1338 bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1339 {
1340 u32 val;
1341
1342 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1343 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1344 if (start)
1345 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1346 else
1347 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1348 }
1349
1350 static int
1351 bnx2_set_link(struct bnx2 *bp)
1352 {
1353 u32 bmsr;
1354 u8 link_up;
1355
1356 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1357 bp->link_up = 1;
1358 return 0;
1359 }
1360
1361 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1362 return 0;
1363
1364 link_up = bp->link_up;
1365
1366 bnx2_enable_bmsr1(bp);
1367 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1368 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1369 bnx2_disable_bmsr1(bp);
1370
1371 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1372 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1373 u32 val, an_dbg;
1374
1375 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1376 bnx2_5706s_force_link_dn(bp, 0);
1377 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1378 }
1379 val = REG_RD(bp, BNX2_EMAC_STATUS);
1380
1381 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1382 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1383 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1384
1385 if ((val & BNX2_EMAC_STATUS_LINK) &&
1386 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1387 bmsr |= BMSR_LSTATUS;
1388 else
1389 bmsr &= ~BMSR_LSTATUS;
1390 }
1391
1392 if (bmsr & BMSR_LSTATUS) {
1393 bp->link_up = 1;
1394
1395 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1396 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1397 bnx2_5706s_linkup(bp);
1398 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1399 bnx2_5708s_linkup(bp);
1400 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1401 bnx2_5709s_linkup(bp);
1402 }
1403 else {
1404 bnx2_copper_linkup(bp);
1405 }
1406 bnx2_resolve_flow_ctrl(bp);
1407 }
1408 else {
1409 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1410 (bp->autoneg & AUTONEG_SPEED))
1411 bnx2_disable_forced_2g5(bp);
1412
1413 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1414 u32 bmcr;
1415
1416 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1417 bmcr |= BMCR_ANENABLE;
1418 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1419
1420 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1421 }
1422 bp->link_up = 0;
1423 }
1424
1425 if (bp->link_up != link_up) {
1426 bnx2_report_link(bp);
1427 }
1428
1429 bnx2_set_mac_link(bp);
1430
1431 return 0;
1432 }
1433
1434 static int
1435 bnx2_reset_phy(struct bnx2 *bp)
1436 {
1437 int i;
1438 u32 reg;
1439
1440 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1441
1442 #define PHY_RESET_MAX_WAIT 100
1443 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1444 udelay(10);
1445
1446 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1447 if (!(reg & BMCR_RESET)) {
1448 udelay(20);
1449 break;
1450 }
1451 }
1452 if (i == PHY_RESET_MAX_WAIT) {
1453 return -EBUSY;
1454 }
1455 return 0;
1456 }
1457
1458 static u32
1459 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1460 {
1461 u32 adv = 0;
1462
1463 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1464 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1465
1466 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1467 adv = ADVERTISE_1000XPAUSE;
1468 }
1469 else {
1470 adv = ADVERTISE_PAUSE_CAP;
1471 }
1472 }
1473 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1474 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1475 adv = ADVERTISE_1000XPSE_ASYM;
1476 }
1477 else {
1478 adv = ADVERTISE_PAUSE_ASYM;
1479 }
1480 }
1481 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1482 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1483 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1484 }
1485 else {
1486 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1487 }
1488 }
1489 return adv;
1490 }
1491
1492 static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
1493
1494 static int
1495 bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1496 {
1497 u32 speed_arg = 0, pause_adv;
1498
1499 pause_adv = bnx2_phy_get_pause_adv(bp);
1500
1501 if (bp->autoneg & AUTONEG_SPEED) {
1502 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1503 if (bp->advertising & ADVERTISED_10baseT_Half)
1504 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1505 if (bp->advertising & ADVERTISED_10baseT_Full)
1506 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1507 if (bp->advertising & ADVERTISED_100baseT_Half)
1508 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1509 if (bp->advertising & ADVERTISED_100baseT_Full)
1510 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1511 if (bp->advertising & ADVERTISED_1000baseT_Full)
1512 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1513 if (bp->advertising & ADVERTISED_2500baseX_Full)
1514 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1515 } else {
1516 if (bp->req_line_speed == SPEED_2500)
1517 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1518 else if (bp->req_line_speed == SPEED_1000)
1519 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1520 else if (bp->req_line_speed == SPEED_100) {
1521 if (bp->req_duplex == DUPLEX_FULL)
1522 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1523 else
1524 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1525 } else if (bp->req_line_speed == SPEED_10) {
1526 if (bp->req_duplex == DUPLEX_FULL)
1527 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1528 else
1529 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1530 }
1531 }
1532
1533 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1534 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1535 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1536 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1537
1538 if (port == PORT_TP)
1539 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1540 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1541
1542 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1543
1544 spin_unlock_bh(&bp->phy_lock);
1545 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
1546 spin_lock_bh(&bp->phy_lock);
1547
1548 return 0;
1549 }
1550
1551 static int
1552 bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1553 {
1554 u32 adv, bmcr;
1555 u32 new_adv = 0;
1556
1557 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1558 return (bnx2_setup_remote_phy(bp, port));
1559
1560 if (!(bp->autoneg & AUTONEG_SPEED)) {
1561 u32 new_bmcr;
1562 int force_link_down = 0;
1563
1564 if (bp->req_line_speed == SPEED_2500) {
1565 if (!bnx2_test_and_enable_2g5(bp))
1566 force_link_down = 1;
1567 } else if (bp->req_line_speed == SPEED_1000) {
1568 if (bnx2_test_and_disable_2g5(bp))
1569 force_link_down = 1;
1570 }
1571 bnx2_read_phy(bp, bp->mii_adv, &adv);
1572 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1573
1574 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1575 new_bmcr = bmcr & ~BMCR_ANENABLE;
1576 new_bmcr |= BMCR_SPEED1000;
1577
1578 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1579 if (bp->req_line_speed == SPEED_2500)
1580 bnx2_enable_forced_2g5(bp);
1581 else if (bp->req_line_speed == SPEED_1000) {
1582 bnx2_disable_forced_2g5(bp);
1583 new_bmcr &= ~0x2000;
1584 }
1585
1586 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1587 if (bp->req_line_speed == SPEED_2500)
1588 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1589 else
1590 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1591 }
1592
1593 if (bp->req_duplex == DUPLEX_FULL) {
1594 adv |= ADVERTISE_1000XFULL;
1595 new_bmcr |= BMCR_FULLDPLX;
1596 }
1597 else {
1598 adv |= ADVERTISE_1000XHALF;
1599 new_bmcr &= ~BMCR_FULLDPLX;
1600 }
1601 if ((new_bmcr != bmcr) || (force_link_down)) {
1602 /* Force a link down visible on the other side */
1603 if (bp->link_up) {
1604 bnx2_write_phy(bp, bp->mii_adv, adv &
1605 ~(ADVERTISE_1000XFULL |
1606 ADVERTISE_1000XHALF));
1607 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1608 BMCR_ANRESTART | BMCR_ANENABLE);
1609
1610 bp->link_up = 0;
1611 netif_carrier_off(bp->dev);
1612 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1613 bnx2_report_link(bp);
1614 }
1615 bnx2_write_phy(bp, bp->mii_adv, adv);
1616 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1617 } else {
1618 bnx2_resolve_flow_ctrl(bp);
1619 bnx2_set_mac_link(bp);
1620 }
1621 return 0;
1622 }
1623
1624 bnx2_test_and_enable_2g5(bp);
1625
1626 if (bp->advertising & ADVERTISED_1000baseT_Full)
1627 new_adv |= ADVERTISE_1000XFULL;
1628
1629 new_adv |= bnx2_phy_get_pause_adv(bp);
1630
1631 bnx2_read_phy(bp, bp->mii_adv, &adv);
1632 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1633
1634 bp->serdes_an_pending = 0;
1635 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1636 /* Force a link down visible on the other side */
1637 if (bp->link_up) {
1638 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1639 spin_unlock_bh(&bp->phy_lock);
1640 msleep(20);
1641 spin_lock_bh(&bp->phy_lock);
1642 }
1643
1644 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1645 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1646 BMCR_ANENABLE);
1647 /* Speed up link-up time when the link partner
1648 * does not autonegotiate which is very common
1649 * in blade servers. Some blade servers use
1650 * IPMI for kerboard input and it's important
1651 * to minimize link disruptions. Autoneg. involves
1652 * exchanging base pages plus 3 next pages and
1653 * normally completes in about 120 msec.
1654 */
1655 bp->current_interval = SERDES_AN_TIMEOUT;
1656 bp->serdes_an_pending = 1;
1657 mod_timer(&bp->timer, jiffies + bp->current_interval);
1658 } else {
1659 bnx2_resolve_flow_ctrl(bp);
1660 bnx2_set_mac_link(bp);
1661 }
1662
1663 return 0;
1664 }
1665
1666 #define ETHTOOL_ALL_FIBRE_SPEED \
1667 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
1668 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1669 (ADVERTISED_1000baseT_Full)
1670
1671 #define ETHTOOL_ALL_COPPER_SPEED \
1672 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1673 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1674 ADVERTISED_1000baseT_Full)
1675
1676 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1677 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1678
1679 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1680
1681 static void
1682 bnx2_set_default_remote_link(struct bnx2 *bp)
1683 {
1684 u32 link;
1685
1686 if (bp->phy_port == PORT_TP)
1687 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1688 else
1689 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1690
1691 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1692 bp->req_line_speed = 0;
1693 bp->autoneg |= AUTONEG_SPEED;
1694 bp->advertising = ADVERTISED_Autoneg;
1695 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1696 bp->advertising |= ADVERTISED_10baseT_Half;
1697 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1698 bp->advertising |= ADVERTISED_10baseT_Full;
1699 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1700 bp->advertising |= ADVERTISED_100baseT_Half;
1701 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1702 bp->advertising |= ADVERTISED_100baseT_Full;
1703 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1704 bp->advertising |= ADVERTISED_1000baseT_Full;
1705 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1706 bp->advertising |= ADVERTISED_2500baseX_Full;
1707 } else {
1708 bp->autoneg = 0;
1709 bp->advertising = 0;
1710 bp->req_duplex = DUPLEX_FULL;
1711 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1712 bp->req_line_speed = SPEED_10;
1713 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1714 bp->req_duplex = DUPLEX_HALF;
1715 }
1716 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1717 bp->req_line_speed = SPEED_100;
1718 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1719 bp->req_duplex = DUPLEX_HALF;
1720 }
1721 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1722 bp->req_line_speed = SPEED_1000;
1723 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1724 bp->req_line_speed = SPEED_2500;
1725 }
1726 }
1727
1728 static void
1729 bnx2_set_default_link(struct bnx2 *bp)
1730 {
1731 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1732 bnx2_set_default_remote_link(bp);
1733 return;
1734 }
1735
1736 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1737 bp->req_line_speed = 0;
1738 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1739 u32 reg;
1740
1741 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1742
1743 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1744 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1745 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1746 bp->autoneg = 0;
1747 bp->req_line_speed = bp->line_speed = SPEED_1000;
1748 bp->req_duplex = DUPLEX_FULL;
1749 }
1750 } else
1751 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1752 }
1753
1754 static void
1755 bnx2_send_heart_beat(struct bnx2 *bp)
1756 {
1757 u32 msg;
1758 u32 addr;
1759
1760 spin_lock(&bp->indirect_lock);
1761 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1762 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1763 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1764 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1765 spin_unlock(&bp->indirect_lock);
1766 }
1767
1768 static void
1769 bnx2_remote_phy_event(struct bnx2 *bp)
1770 {
1771 u32 msg;
1772 u8 link_up = bp->link_up;
1773 u8 old_port;
1774
1775 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1776
1777 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1778 bnx2_send_heart_beat(bp);
1779
1780 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1781
1782 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1783 bp->link_up = 0;
1784 else {
1785 u32 speed;
1786
1787 bp->link_up = 1;
1788 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1789 bp->duplex = DUPLEX_FULL;
1790 switch (speed) {
1791 case BNX2_LINK_STATUS_10HALF:
1792 bp->duplex = DUPLEX_HALF;
1793 case BNX2_LINK_STATUS_10FULL:
1794 bp->line_speed = SPEED_10;
1795 break;
1796 case BNX2_LINK_STATUS_100HALF:
1797 bp->duplex = DUPLEX_HALF;
1798 case BNX2_LINK_STATUS_100BASE_T4:
1799 case BNX2_LINK_STATUS_100FULL:
1800 bp->line_speed = SPEED_100;
1801 break;
1802 case BNX2_LINK_STATUS_1000HALF:
1803 bp->duplex = DUPLEX_HALF;
1804 case BNX2_LINK_STATUS_1000FULL:
1805 bp->line_speed = SPEED_1000;
1806 break;
1807 case BNX2_LINK_STATUS_2500HALF:
1808 bp->duplex = DUPLEX_HALF;
1809 case BNX2_LINK_STATUS_2500FULL:
1810 bp->line_speed = SPEED_2500;
1811 break;
1812 default:
1813 bp->line_speed = 0;
1814 break;
1815 }
1816
1817 bp->flow_ctrl = 0;
1818 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1819 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1820 if (bp->duplex == DUPLEX_FULL)
1821 bp->flow_ctrl = bp->req_flow_ctrl;
1822 } else {
1823 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1824 bp->flow_ctrl |= FLOW_CTRL_TX;
1825 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1826 bp->flow_ctrl |= FLOW_CTRL_RX;
1827 }
1828
1829 old_port = bp->phy_port;
1830 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1831 bp->phy_port = PORT_FIBRE;
1832 else
1833 bp->phy_port = PORT_TP;
1834
1835 if (old_port != bp->phy_port)
1836 bnx2_set_default_link(bp);
1837
1838 }
1839 if (bp->link_up != link_up)
1840 bnx2_report_link(bp);
1841
1842 bnx2_set_mac_link(bp);
1843 }
1844
1845 static int
1846 bnx2_set_remote_link(struct bnx2 *bp)
1847 {
1848 u32 evt_code;
1849
1850 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1851 switch (evt_code) {
1852 case BNX2_FW_EVT_CODE_LINK_EVENT:
1853 bnx2_remote_phy_event(bp);
1854 break;
1855 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1856 default:
1857 bnx2_send_heart_beat(bp);
1858 break;
1859 }
1860 return 0;
1861 }
1862
1863 static int
1864 bnx2_setup_copper_phy(struct bnx2 *bp)
1865 {
1866 u32 bmcr;
1867 u32 new_bmcr;
1868
1869 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1870
1871 if (bp->autoneg & AUTONEG_SPEED) {
1872 u32 adv_reg, adv1000_reg;
1873 u32 new_adv_reg = 0;
1874 u32 new_adv1000_reg = 0;
1875
1876 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1877 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1878 ADVERTISE_PAUSE_ASYM);
1879
1880 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1881 adv1000_reg &= PHY_ALL_1000_SPEED;
1882
1883 if (bp->advertising & ADVERTISED_10baseT_Half)
1884 new_adv_reg |= ADVERTISE_10HALF;
1885 if (bp->advertising & ADVERTISED_10baseT_Full)
1886 new_adv_reg |= ADVERTISE_10FULL;
1887 if (bp->advertising & ADVERTISED_100baseT_Half)
1888 new_adv_reg |= ADVERTISE_100HALF;
1889 if (bp->advertising & ADVERTISED_100baseT_Full)
1890 new_adv_reg |= ADVERTISE_100FULL;
1891 if (bp->advertising & ADVERTISED_1000baseT_Full)
1892 new_adv1000_reg |= ADVERTISE_1000FULL;
1893
1894 new_adv_reg |= ADVERTISE_CSMA;
1895
1896 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1897
1898 if ((adv1000_reg != new_adv1000_reg) ||
1899 (adv_reg != new_adv_reg) ||
1900 ((bmcr & BMCR_ANENABLE) == 0)) {
1901
1902 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1903 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1904 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1905 BMCR_ANENABLE);
1906 }
1907 else if (bp->link_up) {
1908 /* Flow ctrl may have changed from auto to forced */
1909 /* or vice-versa. */
1910
1911 bnx2_resolve_flow_ctrl(bp);
1912 bnx2_set_mac_link(bp);
1913 }
1914 return 0;
1915 }
1916
1917 new_bmcr = 0;
1918 if (bp->req_line_speed == SPEED_100) {
1919 new_bmcr |= BMCR_SPEED100;
1920 }
1921 if (bp->req_duplex == DUPLEX_FULL) {
1922 new_bmcr |= BMCR_FULLDPLX;
1923 }
1924 if (new_bmcr != bmcr) {
1925 u32 bmsr;
1926
1927 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1928 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1929
1930 if (bmsr & BMSR_LSTATUS) {
1931 /* Force link down */
1932 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1933 spin_unlock_bh(&bp->phy_lock);
1934 msleep(50);
1935 spin_lock_bh(&bp->phy_lock);
1936
1937 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1938 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1939 }
1940
1941 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1942
1943 /* Normally, the new speed is setup after the link has
1944 * gone down and up again. In some cases, link will not go
1945 * down so we need to set up the new speed here.
1946 */
1947 if (bmsr & BMSR_LSTATUS) {
1948 bp->line_speed = bp->req_line_speed;
1949 bp->duplex = bp->req_duplex;
1950 bnx2_resolve_flow_ctrl(bp);
1951 bnx2_set_mac_link(bp);
1952 }
1953 } else {
1954 bnx2_resolve_flow_ctrl(bp);
1955 bnx2_set_mac_link(bp);
1956 }
1957 return 0;
1958 }
1959
1960 static int
1961 bnx2_setup_phy(struct bnx2 *bp, u8 port)
1962 {
1963 if (bp->loopback == MAC_LOOPBACK)
1964 return 0;
1965
1966 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1967 return (bnx2_setup_serdes_phy(bp, port));
1968 }
1969 else {
1970 return (bnx2_setup_copper_phy(bp));
1971 }
1972 }
1973
1974 static int
1975 bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
1976 {
1977 u32 val;
1978
1979 bp->mii_bmcr = MII_BMCR + 0x10;
1980 bp->mii_bmsr = MII_BMSR + 0x10;
1981 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1982 bp->mii_adv = MII_ADVERTISE + 0x10;
1983 bp->mii_lpa = MII_LPA + 0x10;
1984 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1985
1986 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1987 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1988
1989 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1990 if (reset_phy)
1991 bnx2_reset_phy(bp);
1992
1993 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1994
1995 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1996 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1997 val |= MII_BNX2_SD_1000XCTL1_FIBER;
1998 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1999
2000 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2001 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
2002 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
2003 val |= BCM5708S_UP1_2G5;
2004 else
2005 val &= ~BCM5708S_UP1_2G5;
2006 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2007
2008 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2009 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2010 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2011 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2012
2013 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2014
2015 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2016 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2017 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2018
2019 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2020
2021 return 0;
2022 }
2023
2024 static int
2025 bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
2026 {
2027 u32 val;
2028
2029 if (reset_phy)
2030 bnx2_reset_phy(bp);
2031
2032 bp->mii_up1 = BCM5708S_UP1;
2033
2034 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2035 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2036 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2037
2038 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2039 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2040 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2041
2042 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2043 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2044 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2045
2046 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
2047 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2048 val |= BCM5708S_UP1_2G5;
2049 bnx2_write_phy(bp, BCM5708S_UP1, val);
2050 }
2051
2052 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
2053 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2054 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
2055 /* increase tx signal amplitude */
2056 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2057 BCM5708S_BLK_ADDR_TX_MISC);
2058 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2059 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2060 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2061 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2062 }
2063
2064 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
2065 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2066
2067 if (val) {
2068 u32 is_backplane;
2069
2070 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
2071 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2072 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2073 BCM5708S_BLK_ADDR_TX_MISC);
2074 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2075 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2076 BCM5708S_BLK_ADDR_DIG);
2077 }
2078 }
2079 return 0;
2080 }
2081
2082 static int
2083 bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
2084 {
2085 if (reset_phy)
2086 bnx2_reset_phy(bp);
2087
2088 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
2089
2090 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2091 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
2092
2093 if (bp->dev->mtu > 1500) {
2094 u32 val;
2095
2096 /* Set extended packet length bit */
2097 bnx2_write_phy(bp, 0x18, 0x7);
2098 bnx2_read_phy(bp, 0x18, &val);
2099 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2100
2101 bnx2_write_phy(bp, 0x1c, 0x6c00);
2102 bnx2_read_phy(bp, 0x1c, &val);
2103 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2104 }
2105 else {
2106 u32 val;
2107
2108 bnx2_write_phy(bp, 0x18, 0x7);
2109 bnx2_read_phy(bp, 0x18, &val);
2110 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2111
2112 bnx2_write_phy(bp, 0x1c, 0x6c00);
2113 bnx2_read_phy(bp, 0x1c, &val);
2114 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2115 }
2116
2117 return 0;
2118 }
2119
2120 static int
2121 bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2122 {
2123 u32 val;
2124
2125 if (reset_phy)
2126 bnx2_reset_phy(bp);
2127
2128 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2129 bnx2_write_phy(bp, 0x18, 0x0c00);
2130 bnx2_write_phy(bp, 0x17, 0x000a);
2131 bnx2_write_phy(bp, 0x15, 0x310b);
2132 bnx2_write_phy(bp, 0x17, 0x201f);
2133 bnx2_write_phy(bp, 0x15, 0x9506);
2134 bnx2_write_phy(bp, 0x17, 0x401f);
2135 bnx2_write_phy(bp, 0x15, 0x14e2);
2136 bnx2_write_phy(bp, 0x18, 0x0400);
2137 }
2138
2139 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2140 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2141 MII_BNX2_DSP_EXPAND_REG | 0x8);
2142 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2143 val &= ~(1 << 8);
2144 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2145 }
2146
2147 if (bp->dev->mtu > 1500) {
2148 /* Set extended packet length bit */
2149 bnx2_write_phy(bp, 0x18, 0x7);
2150 bnx2_read_phy(bp, 0x18, &val);
2151 bnx2_write_phy(bp, 0x18, val | 0x4000);
2152
2153 bnx2_read_phy(bp, 0x10, &val);
2154 bnx2_write_phy(bp, 0x10, val | 0x1);
2155 }
2156 else {
2157 bnx2_write_phy(bp, 0x18, 0x7);
2158 bnx2_read_phy(bp, 0x18, &val);
2159 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2160
2161 bnx2_read_phy(bp, 0x10, &val);
2162 bnx2_write_phy(bp, 0x10, val & ~0x1);
2163 }
2164
2165 /* ethernet@wirespeed */
2166 bnx2_write_phy(bp, 0x18, 0x7007);
2167 bnx2_read_phy(bp, 0x18, &val);
2168 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2169 return 0;
2170 }
2171
2172
2173 static int
2174 bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2175 {
2176 u32 val;
2177 int rc = 0;
2178
2179 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2180 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2181
2182 bp->mii_bmcr = MII_BMCR;
2183 bp->mii_bmsr = MII_BMSR;
2184 bp->mii_bmsr1 = MII_BMSR;
2185 bp->mii_adv = MII_ADVERTISE;
2186 bp->mii_lpa = MII_LPA;
2187
2188 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2189
2190 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2191 goto setup_phy;
2192
2193 bnx2_read_phy(bp, MII_PHYSID1, &val);
2194 bp->phy_id = val << 16;
2195 bnx2_read_phy(bp, MII_PHYSID2, &val);
2196 bp->phy_id |= val & 0xffff;
2197
2198 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2199 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2200 rc = bnx2_init_5706s_phy(bp, reset_phy);
2201 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2202 rc = bnx2_init_5708s_phy(bp, reset_phy);
2203 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2204 rc = bnx2_init_5709s_phy(bp, reset_phy);
2205 }
2206 else {
2207 rc = bnx2_init_copper_phy(bp, reset_phy);
2208 }
2209
2210 setup_phy:
2211 if (!rc)
2212 rc = bnx2_setup_phy(bp, bp->phy_port);
2213
2214 return rc;
2215 }
2216
2217 static int
2218 bnx2_set_mac_loopback(struct bnx2 *bp)
2219 {
2220 u32 mac_mode;
2221
2222 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2223 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2224 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2225 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2226 bp->link_up = 1;
2227 return 0;
2228 }
2229
2230 static int bnx2_test_link(struct bnx2 *);
2231
2232 static int
2233 bnx2_set_phy_loopback(struct bnx2 *bp)
2234 {
2235 u32 mac_mode;
2236 int rc, i;
2237
2238 spin_lock_bh(&bp->phy_lock);
2239 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2240 BMCR_SPEED1000);
2241 spin_unlock_bh(&bp->phy_lock);
2242 if (rc)
2243 return rc;
2244
2245 for (i = 0; i < 10; i++) {
2246 if (bnx2_test_link(bp) == 0)
2247 break;
2248 msleep(100);
2249 }
2250
2251 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2252 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2253 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2254 BNX2_EMAC_MODE_25G_MODE);
2255
2256 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2257 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2258 bp->link_up = 1;
2259 return 0;
2260 }
2261
2262 static int
2263 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
2264 {
2265 int i;
2266 u32 val;
2267
2268 bp->fw_wr_seq++;
2269 msg_data |= bp->fw_wr_seq;
2270
2271 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2272
2273 if (!ack)
2274 return 0;
2275
2276 /* wait for an acknowledgement. */
2277 for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2278 msleep(10);
2279
2280 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2281
2282 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2283 break;
2284 }
2285 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2286 return 0;
2287
2288 /* If we timed out, inform the firmware that this is the case. */
2289 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2290 if (!silent)
2291 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2292 "%x\n", msg_data);
2293
2294 msg_data &= ~BNX2_DRV_MSG_CODE;
2295 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2296
2297 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2298
2299 return -EBUSY;
2300 }
2301
2302 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2303 return -EIO;
2304
2305 return 0;
2306 }
2307
2308 static int
2309 bnx2_init_5709_context(struct bnx2 *bp)
2310 {
2311 int i, ret = 0;
2312 u32 val;
2313
2314 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2315 val |= (BCM_PAGE_BITS - 8) << 16;
2316 REG_WR(bp, BNX2_CTX_COMMAND, val);
2317 for (i = 0; i < 10; i++) {
2318 val = REG_RD(bp, BNX2_CTX_COMMAND);
2319 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2320 break;
2321 udelay(2);
2322 }
2323 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2324 return -EBUSY;
2325
2326 for (i = 0; i < bp->ctx_pages; i++) {
2327 int j;
2328
2329 if (bp->ctx_blk[i])
2330 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2331 else
2332 return -ENOMEM;
2333
2334 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2335 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2336 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2337 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2338 (u64) bp->ctx_blk_mapping[i] >> 32);
2339 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2340 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2341 for (j = 0; j < 10; j++) {
2342
2343 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2344 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2345 break;
2346 udelay(5);
2347 }
2348 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2349 ret = -EBUSY;
2350 break;
2351 }
2352 }
2353 return ret;
2354 }
2355
2356 static void
2357 bnx2_init_context(struct bnx2 *bp)
2358 {
2359 u32 vcid;
2360
2361 vcid = 96;
2362 while (vcid) {
2363 u32 vcid_addr, pcid_addr, offset;
2364 int i;
2365
2366 vcid--;
2367
2368 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2369 u32 new_vcid;
2370
2371 vcid_addr = GET_PCID_ADDR(vcid);
2372 if (vcid & 0x8) {
2373 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2374 }
2375 else {
2376 new_vcid = vcid;
2377 }
2378 pcid_addr = GET_PCID_ADDR(new_vcid);
2379 }
2380 else {
2381 vcid_addr = GET_CID_ADDR(vcid);
2382 pcid_addr = vcid_addr;
2383 }
2384
2385 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2386 vcid_addr += (i << PHY_CTX_SHIFT);
2387 pcid_addr += (i << PHY_CTX_SHIFT);
2388
2389 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2390 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2391
2392 /* Zero out the context. */
2393 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2394 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2395 }
2396 }
2397 }
2398
2399 static int
2400 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2401 {
2402 u16 *good_mbuf;
2403 u32 good_mbuf_cnt;
2404 u32 val;
2405
2406 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2407 if (good_mbuf == NULL) {
2408 printk(KERN_ERR PFX "Failed to allocate memory in "
2409 "bnx2_alloc_bad_rbuf\n");
2410 return -ENOMEM;
2411 }
2412
2413 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2414 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2415
2416 good_mbuf_cnt = 0;
2417
2418 /* Allocate a bunch of mbufs and save the good ones in an array. */
2419 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2420 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2421 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2422 BNX2_RBUF_COMMAND_ALLOC_REQ);
2423
2424 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2425
2426 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2427
2428 /* The addresses with Bit 9 set are bad memory blocks. */
2429 if (!(val & (1 << 9))) {
2430 good_mbuf[good_mbuf_cnt] = (u16) val;
2431 good_mbuf_cnt++;
2432 }
2433
2434 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2435 }
2436
2437 /* Free the good ones back to the mbuf pool thus discarding
2438 * all the bad ones. */
2439 while (good_mbuf_cnt) {
2440 good_mbuf_cnt--;
2441
2442 val = good_mbuf[good_mbuf_cnt];
2443 val = (val << 9) | val | 1;
2444
2445 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2446 }
2447 kfree(good_mbuf);
2448 return 0;
2449 }
2450
2451 static void
2452 bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
2453 {
2454 u32 val;
2455
2456 val = (mac_addr[0] << 8) | mac_addr[1];
2457
2458 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
2459
2460 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2461 (mac_addr[4] << 8) | mac_addr[5];
2462
2463 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
2464 }
2465
2466 static inline int
2467 bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2468 {
2469 dma_addr_t mapping;
2470 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2471 struct rx_bd *rxbd =
2472 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2473 struct page *page = alloc_page(GFP_ATOMIC);
2474
2475 if (!page)
2476 return -ENOMEM;
2477 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2478 PCI_DMA_FROMDEVICE);
2479 rx_pg->page = page;
2480 pci_unmap_addr_set(rx_pg, mapping, mapping);
2481 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2482 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2483 return 0;
2484 }
2485
2486 static void
2487 bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2488 {
2489 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2490 struct page *page = rx_pg->page;
2491
2492 if (!page)
2493 return;
2494
2495 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2496 PCI_DMA_FROMDEVICE);
2497
2498 __free_page(page);
2499 rx_pg->page = NULL;
2500 }
2501
2502 static inline int
2503 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2504 {
2505 struct sk_buff *skb;
2506 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
2507 dma_addr_t mapping;
2508 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2509 unsigned long align;
2510
2511 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2512 if (skb == NULL) {
2513 return -ENOMEM;
2514 }
2515
2516 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2517 skb_reserve(skb, BNX2_RX_ALIGN - align);
2518
2519 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2520 PCI_DMA_FROMDEVICE);
2521
2522 rx_buf->skb = skb;
2523 pci_unmap_addr_set(rx_buf, mapping, mapping);
2524
2525 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2526 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2527
2528 rxr->rx_prod_bseq += bp->rx_buf_use_size;
2529
2530 return 0;
2531 }
2532
2533 static int
2534 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2535 {
2536 struct status_block *sblk = bnapi->status_blk.msi;
2537 u32 new_link_state, old_link_state;
2538 int is_set = 1;
2539
2540 new_link_state = sblk->status_attn_bits & event;
2541 old_link_state = sblk->status_attn_bits_ack & event;
2542 if (new_link_state != old_link_state) {
2543 if (new_link_state)
2544 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2545 else
2546 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2547 } else
2548 is_set = 0;
2549
2550 return is_set;
2551 }
2552
2553 static void
2554 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2555 {
2556 spin_lock(&bp->phy_lock);
2557
2558 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2559 bnx2_set_link(bp);
2560 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2561 bnx2_set_remote_link(bp);
2562
2563 spin_unlock(&bp->phy_lock);
2564
2565 }
2566
2567 static inline u16
2568 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2569 {
2570 u16 cons;
2571
2572 /* Tell compiler that status block fields can change. */
2573 barrier();
2574 cons = *bnapi->hw_tx_cons_ptr;
2575 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2576 cons++;
2577 return cons;
2578 }
2579
2580 static int
2581 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2582 {
2583 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
2584 u16 hw_cons, sw_cons, sw_ring_cons;
2585 int tx_pkt = 0, index;
2586 struct netdev_queue *txq;
2587
2588 index = (bnapi - bp->bnx2_napi);
2589 txq = netdev_get_tx_queue(bp->dev, index);
2590
2591 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2592 sw_cons = txr->tx_cons;
2593
2594 while (sw_cons != hw_cons) {
2595 struct sw_bd *tx_buf;
2596 struct sk_buff *skb;
2597 int i, last;
2598
2599 sw_ring_cons = TX_RING_IDX(sw_cons);
2600
2601 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
2602 skb = tx_buf->skb;
2603
2604 /* partial BD completions possible with TSO packets */
2605 if (skb_is_gso(skb)) {
2606 u16 last_idx, last_ring_idx;
2607
2608 last_idx = sw_cons +
2609 skb_shinfo(skb)->nr_frags + 1;
2610 last_ring_idx = sw_ring_cons +
2611 skb_shinfo(skb)->nr_frags + 1;
2612 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2613 last_idx++;
2614 }
2615 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2616 break;
2617 }
2618 }
2619
2620 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2621 skb_headlen(skb), PCI_DMA_TODEVICE);
2622
2623 tx_buf->skb = NULL;
2624 last = skb_shinfo(skb)->nr_frags;
2625
2626 for (i = 0; i < last; i++) {
2627 sw_cons = NEXT_TX_BD(sw_cons);
2628
2629 pci_unmap_page(bp->pdev,
2630 pci_unmap_addr(
2631 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
2632 mapping),
2633 skb_shinfo(skb)->frags[i].size,
2634 PCI_DMA_TODEVICE);
2635 }
2636
2637 sw_cons = NEXT_TX_BD(sw_cons);
2638
2639 dev_kfree_skb(skb);
2640 tx_pkt++;
2641 if (tx_pkt == budget)
2642 break;
2643
2644 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2645 }
2646
2647 txr->hw_tx_cons = hw_cons;
2648 txr->tx_cons = sw_cons;
2649
2650 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2651 * before checking for netif_tx_queue_stopped(). Without the
2652 * memory barrier, there is a small possibility that bnx2_start_xmit()
2653 * will miss it and cause the queue to be stopped forever.
2654 */
2655 smp_mb();
2656
2657 if (unlikely(netif_tx_queue_stopped(txq)) &&
2658 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
2659 __netif_tx_lock(txq, smp_processor_id());
2660 if ((netif_tx_queue_stopped(txq)) &&
2661 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
2662 netif_tx_wake_queue(txq);
2663 __netif_tx_unlock(txq);
2664 }
2665
2666 return tx_pkt;
2667 }
2668
2669 static void
2670 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2671 struct sk_buff *skb, int count)
2672 {
2673 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2674 struct rx_bd *cons_bd, *prod_bd;
2675 dma_addr_t mapping;
2676 int i;
2677 u16 hw_prod = rxr->rx_pg_prod, prod;
2678 u16 cons = rxr->rx_pg_cons;
2679
2680 for (i = 0; i < count; i++) {
2681 prod = RX_PG_RING_IDX(hw_prod);
2682
2683 prod_rx_pg = &rxr->rx_pg_ring[prod];
2684 cons_rx_pg = &rxr->rx_pg_ring[cons];
2685 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2686 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2687
2688 if (i == 0 && skb) {
2689 struct page *page;
2690 struct skb_shared_info *shinfo;
2691
2692 shinfo = skb_shinfo(skb);
2693 shinfo->nr_frags--;
2694 page = shinfo->frags[shinfo->nr_frags].page;
2695 shinfo->frags[shinfo->nr_frags].page = NULL;
2696 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2697 PCI_DMA_FROMDEVICE);
2698 cons_rx_pg->page = page;
2699 pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2700 dev_kfree_skb(skb);
2701 }
2702 if (prod != cons) {
2703 prod_rx_pg->page = cons_rx_pg->page;
2704 cons_rx_pg->page = NULL;
2705 pci_unmap_addr_set(prod_rx_pg, mapping,
2706 pci_unmap_addr(cons_rx_pg, mapping));
2707
2708 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2709 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2710
2711 }
2712 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2713 hw_prod = NEXT_RX_BD(hw_prod);
2714 }
2715 rxr->rx_pg_prod = hw_prod;
2716 rxr->rx_pg_cons = cons;
2717 }
2718
2719 static inline void
2720 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2721 struct sk_buff *skb, u16 cons, u16 prod)
2722 {
2723 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2724 struct rx_bd *cons_bd, *prod_bd;
2725
2726 cons_rx_buf = &rxr->rx_buf_ring[cons];
2727 prod_rx_buf = &rxr->rx_buf_ring[prod];
2728
2729 pci_dma_sync_single_for_device(bp->pdev,
2730 pci_unmap_addr(cons_rx_buf, mapping),
2731 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2732
2733 rxr->rx_prod_bseq += bp->rx_buf_use_size;
2734
2735 prod_rx_buf->skb = skb;
2736
2737 if (cons == prod)
2738 return;
2739
2740 pci_unmap_addr_set(prod_rx_buf, mapping,
2741 pci_unmap_addr(cons_rx_buf, mapping));
2742
2743 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2744 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2745 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2746 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2747 }
2748
2749 static int
2750 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
2751 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2752 u32 ring_idx)
2753 {
2754 int err;
2755 u16 prod = ring_idx & 0xffff;
2756
2757 err = bnx2_alloc_rx_skb(bp, rxr, prod);
2758 if (unlikely(err)) {
2759 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
2760 if (hdr_len) {
2761 unsigned int raw_len = len + 4;
2762 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2763
2764 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
2765 }
2766 return err;
2767 }
2768
2769 skb_reserve(skb, BNX2_RX_OFFSET);
2770 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2771 PCI_DMA_FROMDEVICE);
2772
2773 if (hdr_len == 0) {
2774 skb_put(skb, len);
2775 return 0;
2776 } else {
2777 unsigned int i, frag_len, frag_size, pages;
2778 struct sw_pg *rx_pg;
2779 u16 pg_cons = rxr->rx_pg_cons;
2780 u16 pg_prod = rxr->rx_pg_prod;
2781
2782 frag_size = len + 4 - hdr_len;
2783 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2784 skb_put(skb, hdr_len);
2785
2786 for (i = 0; i < pages; i++) {
2787 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2788 if (unlikely(frag_len <= 4)) {
2789 unsigned int tail = 4 - frag_len;
2790
2791 rxr->rx_pg_cons = pg_cons;
2792 rxr->rx_pg_prod = pg_prod;
2793 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
2794 pages - i);
2795 skb->len -= tail;
2796 if (i == 0) {
2797 skb->tail -= tail;
2798 } else {
2799 skb_frag_t *frag =
2800 &skb_shinfo(skb)->frags[i - 1];
2801 frag->size -= tail;
2802 skb->data_len -= tail;
2803 skb->truesize -= tail;
2804 }
2805 return 0;
2806 }
2807 rx_pg = &rxr->rx_pg_ring[pg_cons];
2808
2809 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2810 PAGE_SIZE, PCI_DMA_FROMDEVICE);
2811
2812 if (i == pages - 1)
2813 frag_len -= 4;
2814
2815 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2816 rx_pg->page = NULL;
2817
2818 err = bnx2_alloc_rx_page(bp, rxr,
2819 RX_PG_RING_IDX(pg_prod));
2820 if (unlikely(err)) {
2821 rxr->rx_pg_cons = pg_cons;
2822 rxr->rx_pg_prod = pg_prod;
2823 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
2824 pages - i);
2825 return err;
2826 }
2827
2828 frag_size -= frag_len;
2829 skb->data_len += frag_len;
2830 skb->truesize += frag_len;
2831 skb->len += frag_len;
2832
2833 pg_prod = NEXT_RX_BD(pg_prod);
2834 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2835 }
2836 rxr->rx_pg_prod = pg_prod;
2837 rxr->rx_pg_cons = pg_cons;
2838 }
2839 return 0;
2840 }
2841
2842 static inline u16
2843 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2844 {
2845 u16 cons;
2846
2847 /* Tell compiler that status block fields can change. */
2848 barrier();
2849 cons = *bnapi->hw_rx_cons_ptr;
2850 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2851 cons++;
2852 return cons;
2853 }
2854
2855 static int
2856 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2857 {
2858 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
2859 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2860 struct l2_fhdr *rx_hdr;
2861 int rx_pkt = 0, pg_ring_used = 0;
2862
2863 hw_cons = bnx2_get_hw_rx_cons(bnapi);
2864 sw_cons = rxr->rx_cons;
2865 sw_prod = rxr->rx_prod;
2866
2867 /* Memory barrier necessary as speculative reads of the rx
2868 * buffer can be ahead of the index in the status block
2869 */
2870 rmb();
2871 while (sw_cons != hw_cons) {
2872 unsigned int len, hdr_len;
2873 u32 status;
2874 struct sw_bd *rx_buf;
2875 struct sk_buff *skb;
2876 dma_addr_t dma_addr;
2877 u16 vtag = 0;
2878 int hw_vlan __maybe_unused = 0;
2879
2880 sw_ring_cons = RX_RING_IDX(sw_cons);
2881 sw_ring_prod = RX_RING_IDX(sw_prod);
2882
2883 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
2884 skb = rx_buf->skb;
2885
2886 rx_buf->skb = NULL;
2887
2888 dma_addr = pci_unmap_addr(rx_buf, mapping);
2889
2890 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2891 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
2892 PCI_DMA_FROMDEVICE);
2893
2894 rx_hdr = (struct l2_fhdr *) skb->data;
2895 len = rx_hdr->l2_fhdr_pkt_len;
2896
2897 if ((status = rx_hdr->l2_fhdr_status) &
2898 (L2_FHDR_ERRORS_BAD_CRC |
2899 L2_FHDR_ERRORS_PHY_DECODE |
2900 L2_FHDR_ERRORS_ALIGNMENT |
2901 L2_FHDR_ERRORS_TOO_SHORT |
2902 L2_FHDR_ERRORS_GIANT_FRAME)) {
2903
2904 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
2905 sw_ring_prod);
2906 goto next_rx;
2907 }
2908 hdr_len = 0;
2909 if (status & L2_FHDR_STATUS_SPLIT) {
2910 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2911 pg_ring_used = 1;
2912 } else if (len > bp->rx_jumbo_thresh) {
2913 hdr_len = bp->rx_jumbo_thresh;
2914 pg_ring_used = 1;
2915 }
2916
2917 len -= 4;
2918
2919 if (len <= bp->rx_copy_thresh) {
2920 struct sk_buff *new_skb;
2921
2922 new_skb = netdev_alloc_skb(bp->dev, len + 6);
2923 if (new_skb == NULL) {
2924 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
2925 sw_ring_prod);
2926 goto next_rx;
2927 }
2928
2929 /* aligned copy */
2930 skb_copy_from_linear_data_offset(skb,
2931 BNX2_RX_OFFSET - 6,
2932 new_skb->data, len + 6);
2933 skb_reserve(new_skb, 6);
2934 skb_put(new_skb, len);
2935
2936 bnx2_reuse_rx_skb(bp, rxr, skb,
2937 sw_ring_cons, sw_ring_prod);
2938
2939 skb = new_skb;
2940 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
2941 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2942 goto next_rx;
2943
2944 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
2945 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
2946 vtag = rx_hdr->l2_fhdr_vlan_tag;
2947 #ifdef BCM_VLAN
2948 if (bp->vlgrp)
2949 hw_vlan = 1;
2950 else
2951 #endif
2952 {
2953 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
2954 __skb_push(skb, 4);
2955
2956 memmove(ve, skb->data + 4, ETH_ALEN * 2);
2957 ve->h_vlan_proto = htons(ETH_P_8021Q);
2958 ve->h_vlan_TCI = htons(vtag);
2959 len += 4;
2960 }
2961 }
2962
2963 skb->protocol = eth_type_trans(skb, bp->dev);
2964
2965 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2966 (ntohs(skb->protocol) != 0x8100)) {
2967
2968 dev_kfree_skb(skb);
2969 goto next_rx;
2970
2971 }
2972
2973 skb->ip_summed = CHECKSUM_NONE;
2974 if (bp->rx_csum &&
2975 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2976 L2_FHDR_STATUS_UDP_DATAGRAM))) {
2977
2978 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2979 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2980 skb->ip_summed = CHECKSUM_UNNECESSARY;
2981 }
2982
2983 #ifdef BCM_VLAN
2984 if (hw_vlan)
2985 vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
2986 else
2987 #endif
2988 netif_receive_skb(skb);
2989
2990 bp->dev->last_rx = jiffies;
2991 rx_pkt++;
2992
2993 next_rx:
2994 sw_cons = NEXT_RX_BD(sw_cons);
2995 sw_prod = NEXT_RX_BD(sw_prod);
2996
2997 if ((rx_pkt == budget))
2998 break;
2999
3000 /* Refresh hw_cons to see if there is new work */
3001 if (sw_cons == hw_cons) {
3002 hw_cons = bnx2_get_hw_rx_cons(bnapi);
3003 rmb();
3004 }
3005 }
3006 rxr->rx_cons = sw_cons;
3007 rxr->rx_prod = sw_prod;
3008
3009 if (pg_ring_used)
3010 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
3011
3012 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
3013
3014 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
3015
3016 mmiowb();
3017
3018 return rx_pkt;
3019
3020 }
3021
3022 /* MSI ISR - The only difference between this and the INTx ISR
3023 * is that the MSI interrupt is always serviced.
3024 */
3025 static irqreturn_t
3026 bnx2_msi(int irq, void *dev_instance)
3027 {
3028 struct bnx2_napi *bnapi = dev_instance;
3029 struct bnx2 *bp = bnapi->bp;
3030 struct net_device *dev = bp->dev;
3031
3032 prefetch(bnapi->status_blk.msi);
3033 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3034 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3035 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3036
3037 /* Return here if interrupt is disabled. */
3038 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3039 return IRQ_HANDLED;
3040
3041 netif_rx_schedule(dev, &bnapi->napi);
3042
3043 return IRQ_HANDLED;
3044 }
3045
3046 static irqreturn_t
3047 bnx2_msi_1shot(int irq, void *dev_instance)
3048 {
3049 struct bnx2_napi *bnapi = dev_instance;
3050 struct bnx2 *bp = bnapi->bp;
3051 struct net_device *dev = bp->dev;
3052
3053 prefetch(bnapi->status_blk.msi);
3054
3055 /* Return here if interrupt is disabled. */
3056 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3057 return IRQ_HANDLED;
3058
3059 netif_rx_schedule(dev, &bnapi->napi);
3060
3061 return IRQ_HANDLED;
3062 }
3063
3064 static irqreturn_t
3065 bnx2_interrupt(int irq, void *dev_instance)
3066 {
3067 struct bnx2_napi *bnapi = dev_instance;
3068 struct bnx2 *bp = bnapi->bp;
3069 struct net_device *dev = bp->dev;
3070 struct status_block *sblk = bnapi->status_blk.msi;
3071
3072 /* When using INTx, it is possible for the interrupt to arrive
3073 * at the CPU before the status block posted prior to the
3074 * interrupt. Reading a register will flush the status block.
3075 * When using MSI, the MSI message will always complete after
3076 * the status block write.
3077 */
3078 if ((sblk->status_idx == bnapi->last_status_idx) &&
3079 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3080 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
3081 return IRQ_NONE;
3082
3083 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3084 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3085 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3086
3087 /* Read back to deassert IRQ immediately to avoid too many
3088 * spurious interrupts.
3089 */
3090 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3091
3092 /* Return here if interrupt is shared and is disabled. */
3093 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3094 return IRQ_HANDLED;
3095
3096 if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
3097 bnapi->last_status_idx = sblk->status_idx;
3098 __netif_rx_schedule(dev, &bnapi->napi);
3099 }
3100
3101 return IRQ_HANDLED;
3102 }
3103
3104 static inline int
3105 bnx2_has_fast_work(struct bnx2_napi *bnapi)
3106 {
3107 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3108 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3109
3110 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3111 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3112 return 1;
3113 return 0;
3114 }
3115
3116 #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3117 STATUS_ATTN_BITS_TIMER_ABORT)
3118
3119 static inline int
3120 bnx2_has_work(struct bnx2_napi *bnapi)
3121 {
3122 struct status_block *sblk = bnapi->status_blk.msi;
3123
3124 if (bnx2_has_fast_work(bnapi))
3125 return 1;
3126
3127 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3128 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
3129 return 1;
3130
3131 return 0;
3132 }
3133
3134 static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
3135 {
3136 struct status_block *sblk = bnapi->status_blk.msi;
3137 u32 status_attn_bits = sblk->status_attn_bits;
3138 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3139
3140 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3141 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3142
3143 bnx2_phy_int(bp, bnapi);
3144
3145 /* This is needed to take care of transient status
3146 * during link changes.
3147 */
3148 REG_WR(bp, BNX2_HC_COMMAND,
3149 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3150 REG_RD(bp, BNX2_HC_COMMAND);
3151 }
3152 }
3153
3154 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3155 int work_done, int budget)
3156 {
3157 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3158 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3159
3160 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
3161 bnx2_tx_int(bp, bnapi, 0);
3162
3163 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
3164 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3165
3166 return work_done;
3167 }
3168
3169 static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3170 {
3171 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3172 struct bnx2 *bp = bnapi->bp;
3173 int work_done = 0;
3174 struct status_block_msix *sblk = bnapi->status_blk.msix;
3175
3176 while (1) {
3177 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3178 if (unlikely(work_done >= budget))
3179 break;
3180
3181 bnapi->last_status_idx = sblk->status_idx;
3182 /* status idx must be read before checking for more work. */
3183 rmb();
3184 if (likely(!bnx2_has_fast_work(bnapi))) {
3185
3186 netif_rx_complete(bp->dev, napi);
3187 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3188 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3189 bnapi->last_status_idx);
3190 break;
3191 }
3192 }
3193 return work_done;
3194 }
3195
3196 static int bnx2_poll(struct napi_struct *napi, int budget)
3197 {
3198 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3199 struct bnx2 *bp = bnapi->bp;
3200 int work_done = 0;
3201 struct status_block *sblk = bnapi->status_blk.msi;
3202
3203 while (1) {
3204 bnx2_poll_link(bp, bnapi);
3205
3206 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3207
3208 if (unlikely(work_done >= budget))
3209 break;
3210
3211 /* bnapi->last_status_idx is used below to tell the hw how
3212 * much work has been processed, so we must read it before
3213 * checking for more work.
3214 */
3215 bnapi->last_status_idx = sblk->status_idx;
3216 rmb();
3217 if (likely(!bnx2_has_work(bnapi))) {
3218 netif_rx_complete(bp->dev, napi);
3219 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3220 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3221 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3222 bnapi->last_status_idx);
3223 break;
3224 }
3225 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3226 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3227 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3228 bnapi->last_status_idx);
3229
3230 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3231 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3232 bnapi->last_status_idx);
3233 break;
3234 }
3235 }
3236
3237 return work_done;
3238 }
3239
3240 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3241 * from set_multicast.
3242 */
3243 static void
3244 bnx2_set_rx_mode(struct net_device *dev)
3245 {
3246 struct bnx2 *bp = netdev_priv(dev);
3247 u32 rx_mode, sort_mode;
3248 struct dev_addr_list *uc_ptr;
3249 int i;
3250
3251 spin_lock_bh(&bp->phy_lock);
3252
3253 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3254 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3255 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3256 #ifdef BCM_VLAN
3257 if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
3258 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3259 #else
3260 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
3261 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3262 #endif
3263 if (dev->flags & IFF_PROMISC) {
3264 /* Promiscuous mode. */
3265 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3266 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3267 BNX2_RPM_SORT_USER0_PROM_VLAN;
3268 }
3269 else if (dev->flags & IFF_ALLMULTI) {
3270 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3271 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3272 0xffffffff);
3273 }
3274 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3275 }
3276 else {
3277 /* Accept one or more multicast(s). */
3278 struct dev_mc_list *mclist;
3279 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3280 u32 regidx;
3281 u32 bit;
3282 u32 crc;
3283
3284 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3285
3286 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3287 i++, mclist = mclist->next) {
3288
3289 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3290 bit = crc & 0xff;
3291 regidx = (bit & 0xe0) >> 5;
3292 bit &= 0x1f;
3293 mc_filter[regidx] |= (1 << bit);
3294 }
3295
3296 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3297 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3298 mc_filter[i]);
3299 }
3300
3301 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3302 }
3303
3304 uc_ptr = NULL;
3305 if (dev->uc_count > BNX2_MAX_UNICAST_ADDRESSES) {
3306 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3307 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3308 BNX2_RPM_SORT_USER0_PROM_VLAN;
3309 } else if (!(dev->flags & IFF_PROMISC)) {
3310 uc_ptr = dev->uc_list;
3311
3312 /* Add all entries into to the match filter list */
3313 for (i = 0; i < dev->uc_count; i++) {
3314 bnx2_set_mac_addr(bp, uc_ptr->da_addr,
3315 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3316 sort_mode |= (1 <<
3317 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
3318 uc_ptr = uc_ptr->next;
3319 }
3320
3321 }
3322
3323 if (rx_mode != bp->rx_mode) {
3324 bp->rx_mode = rx_mode;
3325 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3326 }
3327
3328 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3329 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3330 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3331
3332 spin_unlock_bh(&bp->phy_lock);
3333 }
3334
3335 static void
3336 load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3337 u32 rv2p_proc)
3338 {
3339 int i;
3340 u32 val;
3341
3342 if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3343 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3344 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3345 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3346 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3347 }
3348
3349 for (i = 0; i < rv2p_code_len; i += 8) {
3350 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3351 rv2p_code++;
3352 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3353 rv2p_code++;
3354
3355 if (rv2p_proc == RV2P_PROC1) {
3356 val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3357 REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3358 }
3359 else {
3360 val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3361 REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3362 }
3363 }
3364
3365 /* Reset the processor, un-stall is done later. */
3366 if (rv2p_proc == RV2P_PROC1) {
3367 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3368 }
3369 else {
3370 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3371 }
3372 }
3373
3374 static int
3375 load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, struct fw_info *fw)
3376 {
3377 u32 offset;
3378 u32 val;
3379 int rc;
3380
3381 /* Halt the CPU. */
3382 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3383 val |= cpu_reg->mode_value_halt;
3384 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3385 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3386
3387 /* Load the Text area. */
3388 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3389 if (fw->gz_text) {
3390 int j;
3391
3392 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3393 fw->gz_text_len);
3394 if (rc < 0)
3395 return rc;
3396
3397 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3398 bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3399 }
3400 }
3401
3402 /* Load the Data area. */
3403 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3404 if (fw->data) {
3405 int j;
3406
3407 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3408 bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3409 }
3410 }
3411
3412 /* Load the SBSS area. */
3413 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
3414 if (fw->sbss_len) {
3415 int j;
3416
3417 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3418 bnx2_reg_wr_ind(bp, offset, 0);
3419 }
3420 }
3421
3422 /* Load the BSS area. */
3423 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
3424 if (fw->bss_len) {
3425 int j;
3426
3427 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3428 bnx2_reg_wr_ind(bp, offset, 0);
3429 }
3430 }
3431
3432 /* Load the Read-Only area. */
3433 offset = cpu_reg->spad_base +
3434 (fw->rodata_addr - cpu_reg->mips_view_base);
3435 if (fw->rodata) {
3436 int j;
3437
3438 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3439 bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3440 }
3441 }
3442
3443 /* Clear the pre-fetch instruction. */
3444 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3445 bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3446
3447 /* Start the CPU. */
3448 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3449 val &= ~cpu_reg->mode_value_halt;
3450 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3451 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3452
3453 return 0;
3454 }
3455
3456 static int
3457 bnx2_init_cpus(struct bnx2 *bp)
3458 {
3459 struct fw_info *fw;
3460 int rc, rv2p_len;
3461 void *text, *rv2p;
3462
3463 /* Initialize the RV2P processor. */
3464 text = vmalloc(FW_BUF_SIZE);
3465 if (!text)
3466 return -ENOMEM;
3467 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3468 rv2p = bnx2_xi_rv2p_proc1;
3469 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3470 } else {
3471 rv2p = bnx2_rv2p_proc1;
3472 rv2p_len = sizeof(bnx2_rv2p_proc1);
3473 }
3474 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3475 if (rc < 0)
3476 goto init_cpu_err;
3477
3478 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3479
3480 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3481 rv2p = bnx2_xi_rv2p_proc2;
3482 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3483 } else {
3484 rv2p = bnx2_rv2p_proc2;
3485 rv2p_len = sizeof(bnx2_rv2p_proc2);
3486 }
3487 rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3488 if (rc < 0)
3489 goto init_cpu_err;
3490
3491 load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3492
3493 /* Initialize the RX Processor. */
3494 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3495 fw = &bnx2_rxp_fw_09;
3496 else
3497 fw = &bnx2_rxp_fw_06;
3498
3499 fw->text = text;
3500 rc = load_cpu_fw(bp, &cpu_reg_rxp, fw);
3501 if (rc)
3502 goto init_cpu_err;
3503
3504 /* Initialize the TX Processor. */
3505 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3506 fw = &bnx2_txp_fw_09;
3507 else
3508 fw = &bnx2_txp_fw_06;
3509
3510 fw->text = text;
3511 rc = load_cpu_fw(bp, &cpu_reg_txp, fw);
3512 if (rc)
3513 goto init_cpu_err;
3514
3515 /* Initialize the TX Patch-up Processor. */
3516 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3517 fw = &bnx2_tpat_fw_09;
3518 else
3519 fw = &bnx2_tpat_fw_06;
3520
3521 fw->text = text;
3522 rc = load_cpu_fw(bp, &cpu_reg_tpat, fw);
3523 if (rc)
3524 goto init_cpu_err;
3525
3526 /* Initialize the Completion Processor. */
3527 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3528 fw = &bnx2_com_fw_09;
3529 else
3530 fw = &bnx2_com_fw_06;
3531
3532 fw->text = text;
3533 rc = load_cpu_fw(bp, &cpu_reg_com, fw);
3534 if (rc)
3535 goto init_cpu_err;
3536
3537 /* Initialize the Command Processor. */
3538 if (CHIP_NUM(bp) == CHIP_NUM_5709)
3539 fw = &bnx2_cp_fw_09;
3540 else
3541 fw = &bnx2_cp_fw_06;
3542
3543 fw->text = text;
3544 rc = load_cpu_fw(bp, &cpu_reg_cp, fw);
3545
3546 init_cpu_err:
3547 vfree(text);
3548 return rc;
3549 }
3550
3551 static int
3552 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3553 {
3554 u16 pmcsr;
3555
3556 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3557
3558 switch (state) {
3559 case PCI_D0: {
3560 u32 val;
3561
3562 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3563 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3564 PCI_PM_CTRL_PME_STATUS);
3565
3566 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3567 /* delay required during transition out of D3hot */
3568 msleep(20);
3569
3570 val = REG_RD(bp, BNX2_EMAC_MODE);
3571 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3572 val &= ~BNX2_EMAC_MODE_MPKT;
3573 REG_WR(bp, BNX2_EMAC_MODE, val);
3574
3575 val = REG_RD(bp, BNX2_RPM_CONFIG);
3576 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3577 REG_WR(bp, BNX2_RPM_CONFIG, val);
3578 break;
3579 }
3580 case PCI_D3hot: {
3581 int i;
3582 u32 val, wol_msg;
3583
3584 if (bp->wol) {
3585 u32 advertising;
3586 u8 autoneg;
3587
3588 autoneg = bp->autoneg;
3589 advertising = bp->advertising;
3590
3591 if (bp->phy_port == PORT_TP) {
3592 bp->autoneg = AUTONEG_SPEED;
3593 bp->advertising = ADVERTISED_10baseT_Half |
3594 ADVERTISED_10baseT_Full |
3595 ADVERTISED_100baseT_Half |
3596 ADVERTISED_100baseT_Full |
3597 ADVERTISED_Autoneg;
3598 }
3599
3600 spin_lock_bh(&bp->phy_lock);
3601 bnx2_setup_phy(bp, bp->phy_port);
3602 spin_unlock_bh(&bp->phy_lock);
3603
3604 bp->autoneg = autoneg;
3605 bp->advertising = advertising;
3606
3607 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3608
3609 val = REG_RD(bp, BNX2_EMAC_MODE);
3610
3611 /* Enable port mode. */
3612 val &= ~BNX2_EMAC_MODE_PORT;
3613 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3614 BNX2_EMAC_MODE_ACPI_RCVD |
3615 BNX2_EMAC_MODE_MPKT;
3616 if (bp->phy_port == PORT_TP)
3617 val |= BNX2_EMAC_MODE_PORT_MII;
3618 else {
3619 val |= BNX2_EMAC_MODE_PORT_GMII;
3620 if (bp->line_speed == SPEED_2500)
3621 val |= BNX2_EMAC_MODE_25G_MODE;
3622 }
3623
3624 REG_WR(bp, BNX2_EMAC_MODE, val);
3625
3626 /* receive all multicast */
3627 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3628 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3629 0xffffffff);
3630 }
3631 REG_WR(bp, BNX2_EMAC_RX_MODE,
3632 BNX2_EMAC_RX_MODE_SORT_MODE);
3633
3634 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3635 BNX2_RPM_SORT_USER0_MC_EN;
3636 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3637 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3638 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3639 BNX2_RPM_SORT_USER0_ENA);
3640
3641 /* Need to enable EMAC and RPM for WOL. */
3642 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3643 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3644 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3645 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3646
3647 val = REG_RD(bp, BNX2_RPM_CONFIG);
3648 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3649 REG_WR(bp, BNX2_RPM_CONFIG, val);
3650
3651 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3652 }
3653 else {
3654 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3655 }
3656
3657 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3658 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3659 1, 0);
3660
3661 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3662 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3663 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3664
3665 if (bp->wol)
3666 pmcsr |= 3;
3667 }
3668 else {
3669 pmcsr |= 3;
3670 }
3671 if (bp->wol) {
3672 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3673 }
3674 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3675 pmcsr);
3676
3677 /* No more memory access after this point until
3678 * device is brought back to D0.
3679 */
3680 udelay(50);
3681 break;
3682 }
3683 default:
3684 return -EINVAL;
3685 }
3686 return 0;
3687 }
3688
3689 static int
3690 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3691 {
3692 u32 val;
3693 int j;
3694
3695 /* Request access to the flash interface. */
3696 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3697 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3698 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3699 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3700 break;
3701
3702 udelay(5);
3703 }
3704
3705 if (j >= NVRAM_TIMEOUT_COUNT)
3706 return -EBUSY;
3707
3708 return 0;
3709 }
3710
3711 static int
3712 bnx2_release_nvram_lock(struct bnx2 *bp)
3713 {
3714 int j;
3715 u32 val;
3716
3717 /* Relinquish nvram interface. */
3718 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3719
3720 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3721 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3722 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3723 break;
3724
3725 udelay(5);
3726 }
3727
3728 if (j >= NVRAM_TIMEOUT_COUNT)
3729 return -EBUSY;
3730
3731 return 0;
3732 }
3733
3734
3735 static int
3736 bnx2_enable_nvram_write(struct bnx2 *bp)
3737 {
3738 u32 val;
3739
3740 val = REG_RD(bp, BNX2_MISC_CFG);
3741 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3742
3743 if (bp->flash_info->flags & BNX2_NV_WREN) {
3744 int j;
3745
3746 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3747 REG_WR(bp, BNX2_NVM_COMMAND,
3748 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3749
3750 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3751 udelay(5);
3752
3753 val = REG_RD(bp, BNX2_NVM_COMMAND);
3754 if (val & BNX2_NVM_COMMAND_DONE)
3755 break;
3756 }
3757
3758 if (j >= NVRAM_TIMEOUT_COUNT)
3759 return -EBUSY;
3760 }
3761 return 0;
3762 }
3763
3764 static void
3765 bnx2_disable_nvram_write(struct bnx2 *bp)
3766 {
3767 u32 val;
3768
3769 val = REG_RD(bp, BNX2_MISC_CFG);
3770 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3771 }
3772
3773
3774 static void
3775 bnx2_enable_nvram_access(struct bnx2 *bp)
3776 {
3777 u32 val;
3778
3779 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3780 /* Enable both bits, even on read. */
3781 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3782 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3783 }
3784
3785 static void
3786 bnx2_disable_nvram_access(struct bnx2 *bp)
3787 {
3788 u32 val;
3789
3790 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3791 /* Disable both bits, even after read. */
3792 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3793 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3794 BNX2_NVM_ACCESS_ENABLE_WR_EN));
3795 }
3796
3797 static int
3798 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3799 {
3800 u32 cmd;
3801 int j;
3802
3803 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3804 /* Buffered flash, no erase needed */
3805 return 0;
3806
3807 /* Build an erase command */
3808 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3809 BNX2_NVM_COMMAND_DOIT;
3810
3811 /* Need to clear DONE bit separately. */
3812 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3813
3814 /* Address of the NVRAM to read from. */
3815 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3816
3817 /* Issue an erase command. */
3818 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3819
3820 /* Wait for completion. */
3821 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3822 u32 val;
3823
3824 udelay(5);
3825
3826 val = REG_RD(bp, BNX2_NVM_COMMAND);
3827 if (val & BNX2_NVM_COMMAND_DONE)
3828 break;
3829 }
3830
3831 if (j >= NVRAM_TIMEOUT_COUNT)
3832 return -EBUSY;
3833
3834 return 0;
3835 }
3836
3837 static int
3838 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3839 {
3840 u32 cmd;
3841 int j;
3842
3843 /* Build the command word. */
3844 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3845
3846 /* Calculate an offset of a buffered flash, not needed for 5709. */
3847 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3848 offset = ((offset / bp->flash_info->page_size) <<
3849 bp->flash_info->page_bits) +
3850 (offset % bp->flash_info->page_size);
3851 }
3852
3853 /* Need to clear DONE bit separately. */
3854 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3855
3856 /* Address of the NVRAM to read from. */
3857 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3858
3859 /* Issue a read command. */
3860 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3861
3862 /* Wait for completion. */
3863 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3864 u32 val;
3865
3866 udelay(5);
3867
3868 val = REG_RD(bp, BNX2_NVM_COMMAND);
3869 if (val & BNX2_NVM_COMMAND_DONE) {
3870 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3871 memcpy(ret_val, &v, 4);
3872 break;
3873 }
3874 }
3875 if (j >= NVRAM_TIMEOUT_COUNT)
3876 return -EBUSY;
3877
3878 return 0;
3879 }
3880
3881
3882 static int
3883 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3884 {
3885 u32 cmd;
3886 __be32 val32;
3887 int j;
3888
3889 /* Build the command word. */
3890 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3891
3892 /* Calculate an offset of a buffered flash, not needed for 5709. */
3893 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3894 offset = ((offset / bp->flash_info->page_size) <<
3895 bp->flash_info->page_bits) +
3896 (offset % bp->flash_info->page_size);
3897 }
3898
3899 /* Need to clear DONE bit separately. */
3900 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3901
3902 memcpy(&val32, val, 4);
3903
3904 /* Write the data. */
3905 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3906
3907 /* Address of the NVRAM to write to. */
3908 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3909
3910 /* Issue the write command. */
3911 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3912
3913 /* Wait for completion. */
3914 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3915 udelay(5);
3916
3917 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3918 break;
3919 }
3920 if (j >= NVRAM_TIMEOUT_COUNT)
3921 return -EBUSY;
3922
3923 return 0;
3924 }
3925
3926 static int
3927 bnx2_init_nvram(struct bnx2 *bp)
3928 {
3929 u32 val;
3930 int j, entry_count, rc = 0;
3931 struct flash_spec *flash;
3932
3933 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3934 bp->flash_info = &flash_5709;
3935 goto get_flash_size;
3936 }
3937
3938 /* Determine the selected interface. */
3939 val = REG_RD(bp, BNX2_NVM_CFG1);
3940
3941 entry_count = ARRAY_SIZE(flash_table);
3942
3943 if (val & 0x40000000) {
3944
3945 /* Flash interface has been reconfigured */
3946 for (j = 0, flash = &flash_table[0]; j < entry_count;
3947 j++, flash++) {
3948 if ((val & FLASH_BACKUP_STRAP_MASK) ==
3949 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3950 bp->flash_info = flash;
3951 break;
3952 }
3953 }
3954 }
3955 else {
3956 u32 mask;
3957 /* Not yet been reconfigured */
3958
3959 if (val & (1 << 23))
3960 mask = FLASH_BACKUP_STRAP_MASK;
3961 else
3962 mask = FLASH_STRAP_MASK;
3963
3964 for (j = 0, flash = &flash_table[0]; j < entry_count;
3965 j++, flash++) {
3966
3967 if ((val & mask) == (flash->strapping & mask)) {
3968 bp->flash_info = flash;
3969
3970 /* Request access to the flash interface. */
3971 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3972 return rc;
3973
3974 /* Enable access to flash interface */
3975 bnx2_enable_nvram_access(bp);
3976
3977 /* Reconfigure the flash interface */
3978 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3979 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3980 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3981 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3982
3983 /* Disable access to flash interface */
3984 bnx2_disable_nvram_access(bp);
3985 bnx2_release_nvram_lock(bp);
3986
3987 break;
3988 }
3989 }
3990 } /* if (val & 0x40000000) */
3991
3992 if (j == entry_count) {
3993 bp->flash_info = NULL;
3994 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
3995 return -ENODEV;
3996 }
3997
3998 get_flash_size:
3999 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
4000 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4001 if (val)
4002 bp->flash_size = val;
4003 else
4004 bp->flash_size = bp->flash_info->total_size;
4005
4006 return rc;
4007 }
4008
4009 static int
4010 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4011 int buf_size)
4012 {
4013 int rc = 0;
4014 u32 cmd_flags, offset32, len32, extra;
4015
4016 if (buf_size == 0)
4017 return 0;
4018
4019 /* Request access to the flash interface. */
4020 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4021 return rc;
4022
4023 /* Enable access to flash interface */
4024 bnx2_enable_nvram_access(bp);
4025
4026 len32 = buf_size;
4027 offset32 = offset;
4028 extra = 0;
4029
4030 cmd_flags = 0;
4031
4032 if (offset32 & 3) {
4033 u8 buf[4];
4034 u32 pre_len;
4035
4036 offset32 &= ~3;
4037 pre_len = 4 - (offset & 3);
4038
4039 if (pre_len >= len32) {
4040 pre_len = len32;
4041 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4042 BNX2_NVM_COMMAND_LAST;
4043 }
4044 else {
4045 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4046 }
4047
4048 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4049
4050 if (rc)
4051 return rc;
4052
4053 memcpy(ret_buf, buf + (offset & 3), pre_len);
4054
4055 offset32 += 4;
4056 ret_buf += pre_len;
4057 len32 -= pre_len;
4058 }
4059 if (len32 & 3) {
4060 extra = 4 - (len32 & 3);
4061 len32 = (len32 + 4) & ~3;
4062 }
4063
4064 if (len32 == 4) {
4065 u8 buf[4];
4066
4067 if (cmd_flags)
4068 cmd_flags = BNX2_NVM_COMMAND_LAST;
4069 else
4070 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4071 BNX2_NVM_COMMAND_LAST;
4072
4073 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4074
4075 memcpy(ret_buf, buf, 4 - extra);
4076 }
4077 else if (len32 > 0) {
4078 u8 buf[4];
4079
4080 /* Read the first word. */
4081 if (cmd_flags)
4082 cmd_flags = 0;
4083 else
4084 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4085
4086 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4087
4088 /* Advance to the next dword. */
4089 offset32 += 4;
4090 ret_buf += 4;
4091 len32 -= 4;
4092
4093 while (len32 > 4 && rc == 0) {
4094 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4095
4096 /* Advance to the next dword. */
4097 offset32 += 4;
4098 ret_buf += 4;
4099 len32 -= 4;
4100 }
4101
4102 if (rc)
4103 return rc;
4104
4105 cmd_flags = BNX2_NVM_COMMAND_LAST;
4106 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4107
4108 memcpy(ret_buf, buf, 4 - extra);
4109 }
4110
4111 /* Disable access to flash interface */
4112 bnx2_disable_nvram_access(bp);
4113
4114 bnx2_release_nvram_lock(bp);
4115
4116 return rc;
4117 }
4118
4119 static int
4120 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4121 int buf_size)
4122 {
4123 u32 written, offset32, len32;
4124 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4125 int rc = 0;
4126 int align_start, align_end;
4127
4128 buf = data_buf;
4129 offset32 = offset;
4130 len32 = buf_size;
4131 align_start = align_end = 0;
4132
4133 if ((align_start = (offset32 & 3))) {
4134 offset32 &= ~3;
4135 len32 += align_start;
4136 if (len32 < 4)
4137 len32 = 4;
4138 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4139 return rc;
4140 }
4141
4142 if (len32 & 3) {
4143 align_end = 4 - (len32 & 3);
4144 len32 += align_end;
4145 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4146 return rc;
4147 }
4148
4149 if (align_start || align_end) {
4150 align_buf = kmalloc(len32, GFP_KERNEL);
4151 if (align_buf == NULL)
4152 return -ENOMEM;
4153 if (align_start) {
4154 memcpy(align_buf, start, 4);
4155 }
4156 if (align_end) {
4157 memcpy(align_buf + len32 - 4, end, 4);
4158 }
4159 memcpy(align_buf + align_start, data_buf, buf_size);
4160 buf = align_buf;
4161 }
4162
4163 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4164 flash_buffer = kmalloc(264, GFP_KERNEL);
4165 if (flash_buffer == NULL) {
4166 rc = -ENOMEM;
4167 goto nvram_write_end;
4168 }
4169 }
4170
4171 written = 0;
4172 while ((written < len32) && (rc == 0)) {
4173 u32 page_start, page_end, data_start, data_end;
4174 u32 addr, cmd_flags;
4175 int i;
4176
4177 /* Find the page_start addr */
4178 page_start = offset32 + written;
4179 page_start -= (page_start % bp->flash_info->page_size);
4180 /* Find the page_end addr */
4181 page_end = page_start + bp->flash_info->page_size;
4182 /* Find the data_start addr */
4183 data_start = (written == 0) ? offset32 : page_start;
4184 /* Find the data_end addr */
4185 data_end = (page_end > offset32 + len32) ?
4186 (offset32 + len32) : page_end;
4187
4188 /* Request access to the flash interface. */
4189 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4190 goto nvram_write_end;
4191
4192 /* Enable access to flash interface */
4193 bnx2_enable_nvram_access(bp);
4194
4195 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4196 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4197 int j;
4198
4199 /* Read the whole page into the buffer
4200 * (non-buffer flash only) */
4201 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4202 if (j == (bp->flash_info->page_size - 4)) {
4203 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4204 }
4205 rc = bnx2_nvram_read_dword(bp,
4206 page_start + j,
4207 &flash_buffer[j],
4208 cmd_flags);
4209
4210 if (rc)
4211 goto nvram_write_end;
4212
4213 cmd_flags = 0;
4214 }
4215 }
4216
4217 /* Enable writes to flash interface (unlock write-protect) */
4218 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4219 goto nvram_write_end;
4220
4221 /* Loop to write back the buffer data from page_start to
4222 * data_start */
4223 i = 0;
4224 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4225 /* Erase the page */
4226 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4227 goto nvram_write_end;
4228
4229 /* Re-enable the write again for the actual write */
4230 bnx2_enable_nvram_write(bp);
4231
4232 for (addr = page_start; addr < data_start;
4233 addr += 4, i += 4) {
4234
4235 rc = bnx2_nvram_write_dword(bp, addr,
4236 &flash_buffer[i], cmd_flags);
4237
4238 if (rc != 0)
4239 goto nvram_write_end;
4240
4241 cmd_flags = 0;
4242 }
4243 }
4244
4245 /* Loop to write the new data from data_start to data_end */
4246 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4247 if ((addr == page_end - 4) ||
4248 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4249 (addr == data_end - 4))) {
4250
4251 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4252 }
4253 rc = bnx2_nvram_write_dword(bp, addr, buf,
4254 cmd_flags);
4255
4256 if (rc != 0)
4257 goto nvram_write_end;
4258
4259 cmd_flags = 0;
4260 buf += 4;
4261 }
4262
4263 /* Loop to write back the buffer data from data_end
4264 * to page_end */
4265 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4266 for (addr = data_end; addr < page_end;
4267 addr += 4, i += 4) {
4268
4269 if (addr == page_end-4) {
4270 cmd_flags = BNX2_NVM_COMMAND_LAST;
4271 }
4272 rc = bnx2_nvram_write_dword(bp, addr,
4273 &flash_buffer[i], cmd_flags);
4274
4275 if (rc != 0)
4276 goto nvram_write_end;
4277
4278 cmd_flags = 0;
4279 }
4280 }
4281
4282 /* Disable writes to flash interface (lock write-protect) */
4283 bnx2_disable_nvram_write(bp);
4284
4285 /* Disable access to flash interface */
4286 bnx2_disable_nvram_access(bp);
4287 bnx2_release_nvram_lock(bp);
4288
4289 /* Increment written */
4290 written += data_end - data_start;
4291 }
4292
4293 nvram_write_end:
4294 kfree(flash_buffer);
4295 kfree(align_buf);
4296 return rc;
4297 }
4298
4299 static void
4300 bnx2_init_fw_cap(struct bnx2 *bp)
4301 {
4302 u32 val, sig = 0;
4303
4304 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4305 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4306
4307 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4308 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4309
4310 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4311 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4312 return;
4313
4314 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4315 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4316 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4317 }
4318
4319 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4320 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4321 u32 link;
4322
4323 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4324
4325 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4326 if (link & BNX2_LINK_STATUS_SERDES_LINK)
4327 bp->phy_port = PORT_FIBRE;
4328 else
4329 bp->phy_port = PORT_TP;
4330
4331 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4332 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4333 }
4334
4335 if (netif_running(bp->dev) && sig)
4336 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4337 }
4338
4339 static void
4340 bnx2_setup_msix_tbl(struct bnx2 *bp)
4341 {
4342 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4343
4344 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4345 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4346 }
4347
4348 static int
4349 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4350 {
4351 u32 val;
4352 int i, rc = 0;
4353 u8 old_port;
4354
4355 /* Wait for the current PCI transaction to complete before
4356 * issuing a reset. */
4357 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4358 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4359 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4360 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4361 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4362 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4363 udelay(5);
4364
4365 /* Wait for the firmware to tell us it is ok to issue a reset. */
4366 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
4367
4368 /* Deposit a driver reset signature so the firmware knows that
4369 * this is a soft reset. */
4370 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4371 BNX2_DRV_RESET_SIGNATURE_MAGIC);
4372
4373 /* Do a dummy read to force the chip to complete all current transaction
4374 * before we issue a reset. */
4375 val = REG_RD(bp, BNX2_MISC_ID);
4376
4377 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4378 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4379 REG_RD(bp, BNX2_MISC_COMMAND);
4380 udelay(5);
4381
4382 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4383 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4384
4385 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4386
4387 } else {
4388 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4389 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4390 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4391
4392 /* Chip reset. */
4393 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4394
4395 /* Reading back any register after chip reset will hang the
4396 * bus on 5706 A0 and A1. The msleep below provides plenty
4397 * of margin for write posting.
4398 */
4399 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4400 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4401 msleep(20);
4402
4403 /* Reset takes approximate 30 usec */
4404 for (i = 0; i < 10; i++) {
4405 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4406 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4407 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4408 break;
4409 udelay(10);
4410 }
4411
4412 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4413 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4414 printk(KERN_ERR PFX "Chip reset did not complete\n");
4415 return -EBUSY;
4416 }
4417 }
4418
4419 /* Make sure byte swapping is properly configured. */
4420 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4421 if (val != 0x01020304) {
4422 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4423 return -ENODEV;
4424 }
4425
4426 /* Wait for the firmware to finish its initialization. */
4427 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
4428 if (rc)
4429 return rc;
4430
4431 spin_lock_bh(&bp->phy_lock);
4432 old_port = bp->phy_port;
4433 bnx2_init_fw_cap(bp);
4434 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4435 old_port != bp->phy_port)
4436 bnx2_set_default_remote_link(bp);
4437 spin_unlock_bh(&bp->phy_lock);
4438
4439 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4440 /* Adjust the voltage regular to two steps lower. The default
4441 * of this register is 0x0000000e. */
4442 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4443
4444 /* Remove bad rbuf memory from the free pool. */
4445 rc = bnx2_alloc_bad_rbuf(bp);
4446 }
4447
4448 if (bp->flags & BNX2_FLAG_USING_MSIX)
4449 bnx2_setup_msix_tbl(bp);
4450
4451 return rc;
4452 }
4453
4454 static int
4455 bnx2_init_chip(struct bnx2 *bp)
4456 {
4457 u32 val;
4458 int rc, i;
4459
4460 /* Make sure the interrupt is not active. */
4461 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4462
4463 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4464 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4465 #ifdef __BIG_ENDIAN
4466 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4467 #endif
4468 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4469 DMA_READ_CHANS << 12 |
4470 DMA_WRITE_CHANS << 16;
4471
4472 val |= (0x2 << 20) | (1 << 11);
4473
4474 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4475 val |= (1 << 23);
4476
4477 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4478 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4479 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4480
4481 REG_WR(bp, BNX2_DMA_CONFIG, val);
4482
4483 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4484 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4485 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4486 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4487 }
4488
4489 if (bp->flags & BNX2_FLAG_PCIX) {
4490 u16 val16;
4491
4492 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4493 &val16);
4494 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4495 val16 & ~PCI_X_CMD_ERO);
4496 }
4497
4498 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4499 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4500 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4501 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4502
4503 /* Initialize context mapping and zero out the quick contexts. The
4504 * context block must have already been enabled. */
4505 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4506 rc = bnx2_init_5709_context(bp);
4507 if (rc)
4508 return rc;
4509 } else
4510 bnx2_init_context(bp);
4511
4512 if ((rc = bnx2_init_cpus(bp)) != 0)
4513 return rc;
4514
4515 bnx2_init_nvram(bp);
4516
4517 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
4518
4519 val = REG_RD(bp, BNX2_MQ_CONFIG);
4520 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4521 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4522 if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4523 val |= BNX2_MQ_CONFIG_HALT_DIS;
4524
4525 REG_WR(bp, BNX2_MQ_CONFIG, val);
4526
4527 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4528 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4529 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4530
4531 val = (BCM_PAGE_BITS - 8) << 24;
4532 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4533
4534 /* Configure page size. */
4535 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4536 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4537 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4538 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4539
4540 val = bp->mac_addr[0] +
4541 (bp->mac_addr[1] << 8) +
4542 (bp->mac_addr[2] << 16) +
4543 bp->mac_addr[3] +
4544 (bp->mac_addr[4] << 8) +
4545 (bp->mac_addr[5] << 16);
4546 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4547
4548 /* Program the MTU. Also include 4 bytes for CRC32. */
4549 val = bp->dev->mtu + ETH_HLEN + 4;
4550 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4551 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4552 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4553
4554 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4555 bp->bnx2_napi[i].last_status_idx = 0;
4556
4557 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4558
4559 /* Set up how to generate a link change interrupt. */
4560 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4561
4562 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4563 (u64) bp->status_blk_mapping & 0xffffffff);
4564 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4565
4566 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4567 (u64) bp->stats_blk_mapping & 0xffffffff);
4568 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4569 (u64) bp->stats_blk_mapping >> 32);
4570
4571 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4572 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4573
4574 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4575 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4576
4577 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4578 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4579
4580 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4581
4582 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4583
4584 REG_WR(bp, BNX2_HC_COM_TICKS,
4585 (bp->com_ticks_int << 16) | bp->com_ticks);
4586
4587 REG_WR(bp, BNX2_HC_CMD_TICKS,
4588 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4589
4590 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4591 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4592 else
4593 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4594 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4595
4596 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4597 val = BNX2_HC_CONFIG_COLLECT_STATS;
4598 else {
4599 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4600 BNX2_HC_CONFIG_COLLECT_STATS;
4601 }
4602
4603 if (bp->irq_nvecs > 1) {
4604 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4605 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4606
4607 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4608 }
4609
4610 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4611 val |= BNX2_HC_CONFIG_ONE_SHOT;
4612
4613 REG_WR(bp, BNX2_HC_CONFIG, val);
4614
4615 for (i = 1; i < bp->irq_nvecs; i++) {
4616 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4617 BNX2_HC_SB_CONFIG_1;
4618
4619 REG_WR(bp, base,
4620 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4621 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
4622 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4623
4624 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4625 (bp->tx_quick_cons_trip_int << 16) |
4626 bp->tx_quick_cons_trip);
4627
4628 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4629 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4630
4631 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4632 (bp->rx_quick_cons_trip_int << 16) |
4633 bp->rx_quick_cons_trip);
4634
4635 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4636 (bp->rx_ticks_int << 16) | bp->rx_ticks);
4637 }
4638
4639 /* Clear internal stats counters. */
4640 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4641
4642 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4643
4644 /* Initialize the receive filter. */
4645 bnx2_set_rx_mode(bp->dev);
4646
4647 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4648 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4649 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4650 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4651 }
4652 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4653 1, 0);
4654
4655 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4656 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4657
4658 udelay(20);
4659
4660 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4661
4662 return rc;
4663 }
4664
4665 static void
4666 bnx2_clear_ring_states(struct bnx2 *bp)
4667 {
4668 struct bnx2_napi *bnapi;
4669 struct bnx2_tx_ring_info *txr;
4670 struct bnx2_rx_ring_info *rxr;
4671 int i;
4672
4673 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4674 bnapi = &bp->bnx2_napi[i];
4675 txr = &bnapi->tx_ring;
4676 rxr = &bnapi->rx_ring;
4677
4678 txr->tx_cons = 0;
4679 txr->hw_tx_cons = 0;
4680 rxr->rx_prod_bseq = 0;
4681 rxr->rx_prod = 0;
4682 rxr->rx_cons = 0;
4683 rxr->rx_pg_prod = 0;
4684 rxr->rx_pg_cons = 0;
4685 }
4686 }
4687
4688 static void
4689 bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
4690 {
4691 u32 val, offset0, offset1, offset2, offset3;
4692 u32 cid_addr = GET_CID_ADDR(cid);
4693
4694 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4695 offset0 = BNX2_L2CTX_TYPE_XI;
4696 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4697 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4698 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4699 } else {
4700 offset0 = BNX2_L2CTX_TYPE;
4701 offset1 = BNX2_L2CTX_CMD_TYPE;
4702 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4703 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4704 }
4705 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4706 bnx2_ctx_wr(bp, cid_addr, offset0, val);
4707
4708 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4709 bnx2_ctx_wr(bp, cid_addr, offset1, val);
4710
4711 val = (u64) txr->tx_desc_mapping >> 32;
4712 bnx2_ctx_wr(bp, cid_addr, offset2, val);
4713
4714 val = (u64) txr->tx_desc_mapping & 0xffffffff;
4715 bnx2_ctx_wr(bp, cid_addr, offset3, val);
4716 }
4717
4718 static void
4719 bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
4720 {
4721 struct tx_bd *txbd;
4722 u32 cid = TX_CID;
4723 struct bnx2_napi *bnapi;
4724 struct bnx2_tx_ring_info *txr;
4725
4726 bnapi = &bp->bnx2_napi[ring_num];
4727 txr = &bnapi->tx_ring;
4728
4729 if (ring_num == 0)
4730 cid = TX_CID;
4731 else
4732 cid = TX_TSS_CID + ring_num - 1;
4733
4734 bp->tx_wake_thresh = bp->tx_ring_size / 2;
4735
4736 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
4737
4738 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
4739 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
4740
4741 txr->tx_prod = 0;
4742 txr->tx_prod_bseq = 0;
4743
4744 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4745 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4746
4747 bnx2_init_tx_context(bp, cid, txr);
4748 }
4749
4750 static void
4751 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4752 int num_rings)
4753 {
4754 int i;
4755 struct rx_bd *rxbd;
4756
4757 for (i = 0; i < num_rings; i++) {
4758 int j;
4759
4760 rxbd = &rx_ring[i][0];
4761 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4762 rxbd->rx_bd_len = buf_size;
4763 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4764 }
4765 if (i == (num_rings - 1))
4766 j = 0;
4767 else
4768 j = i + 1;
4769 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4770 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4771 }
4772 }
4773
4774 static void
4775 bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
4776 {
4777 int i;
4778 u16 prod, ring_prod;
4779 u32 cid, rx_cid_addr, val;
4780 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
4781 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
4782
4783 if (ring_num == 0)
4784 cid = RX_CID;
4785 else
4786 cid = RX_RSS_CID + ring_num - 1;
4787
4788 rx_cid_addr = GET_CID_ADDR(cid);
4789
4790 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
4791 bp->rx_buf_use_size, bp->rx_max_ring);
4792
4793 bnx2_init_rx_context(bp, cid);
4794
4795 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4796 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4797 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4798 }
4799
4800 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4801 if (bp->rx_pg_ring_size) {
4802 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
4803 rxr->rx_pg_desc_mapping,
4804 PAGE_SIZE, bp->rx_max_pg_ring);
4805 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4806 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4807 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4808 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
4809
4810 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
4811 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4812
4813 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
4814 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4815
4816 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4817 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4818 }
4819
4820 val = (u64) rxr->rx_desc_mapping[0] >> 32;
4821 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4822
4823 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
4824 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4825
4826 ring_prod = prod = rxr->rx_pg_prod;
4827 for (i = 0; i < bp->rx_pg_ring_size; i++) {
4828 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
4829 break;
4830 prod = NEXT_RX_BD(prod);
4831 ring_prod = RX_PG_RING_IDX(prod);
4832 }
4833 rxr->rx_pg_prod = prod;
4834
4835 ring_prod = prod = rxr->rx_prod;
4836 for (i = 0; i < bp->rx_ring_size; i++) {
4837 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
4838 break;
4839 prod = NEXT_RX_BD(prod);
4840 ring_prod = RX_RING_IDX(prod);
4841 }
4842 rxr->rx_prod = prod;
4843
4844 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
4845 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
4846 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
4847
4848 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
4849 REG_WR16(bp, rxr->rx_bidx_addr, prod);
4850
4851 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
4852 }
4853
4854 static void
4855 bnx2_init_all_rings(struct bnx2 *bp)
4856 {
4857 int i;
4858 u32 val;
4859
4860 bnx2_clear_ring_states(bp);
4861
4862 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
4863 for (i = 0; i < bp->num_tx_rings; i++)
4864 bnx2_init_tx_ring(bp, i);
4865
4866 if (bp->num_tx_rings > 1)
4867 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
4868 (TX_TSS_CID << 7));
4869
4870 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
4871 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
4872
4873 for (i = 0; i < bp->num_rx_rings; i++)
4874 bnx2_init_rx_ring(bp, i);
4875
4876 if (bp->num_rx_rings > 1) {
4877 u32 tbl_32;
4878 u8 *tbl = (u8 *) &tbl_32;
4879
4880 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
4881 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
4882
4883 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
4884 tbl[i % 4] = i % (bp->num_rx_rings - 1);
4885 if ((i % 4) == 3)
4886 bnx2_reg_wr_ind(bp,
4887 BNX2_RXP_SCRATCH_RSS_TBL + i,
4888 cpu_to_be32(tbl_32));
4889 }
4890
4891 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
4892 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
4893
4894 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
4895
4896 }
4897 }
4898
4899 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4900 {
4901 u32 max, num_rings = 1;
4902
4903 while (ring_size > MAX_RX_DESC_CNT) {
4904 ring_size -= MAX_RX_DESC_CNT;
4905 num_rings++;
4906 }
4907 /* round to next power of 2 */
4908 max = max_size;
4909 while ((max & num_rings) == 0)
4910 max >>= 1;
4911
4912 if (num_rings != max)
4913 max <<= 1;
4914
4915 return max;
4916 }
4917
4918 static void
4919 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4920 {
4921 u32 rx_size, rx_space, jumbo_size;
4922
4923 /* 8 for CRC and VLAN */
4924 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
4925
4926 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4927 sizeof(struct skb_shared_info);
4928
4929 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
4930 bp->rx_pg_ring_size = 0;
4931 bp->rx_max_pg_ring = 0;
4932 bp->rx_max_pg_ring_idx = 0;
4933 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4934 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4935
4936 jumbo_size = size * pages;
4937 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4938 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4939
4940 bp->rx_pg_ring_size = jumbo_size;
4941 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4942 MAX_RX_PG_RINGS);
4943 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4944 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
4945 bp->rx_copy_thresh = 0;
4946 }
4947
4948 bp->rx_buf_use_size = rx_size;
4949 /* hw alignment */
4950 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4951 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
4952 bp->rx_ring_size = size;
4953 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4954 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4955 }
4956
4957 static void
4958 bnx2_free_tx_skbs(struct bnx2 *bp)
4959 {
4960 int i;
4961
4962 for (i = 0; i < bp->num_tx_rings; i++) {
4963 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
4964 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
4965 int j;
4966
4967 if (txr->tx_buf_ring == NULL)
4968 continue;
4969
4970 for (j = 0; j < TX_DESC_CNT; ) {
4971 struct sw_bd *tx_buf = &txr->tx_buf_ring[j];
4972 struct sk_buff *skb = tx_buf->skb;
4973 int k, last;
4974
4975 if (skb == NULL) {
4976 j++;
4977 continue;
4978 }
4979
4980 pci_unmap_single(bp->pdev,
4981 pci_unmap_addr(tx_buf, mapping),
4982 skb_headlen(skb), PCI_DMA_TODEVICE);
4983
4984 tx_buf->skb = NULL;
4985
4986 last = skb_shinfo(skb)->nr_frags;
4987 for (k = 0; k < last; k++) {
4988 tx_buf = &txr->tx_buf_ring[j + k + 1];
4989 pci_unmap_page(bp->pdev,
4990 pci_unmap_addr(tx_buf, mapping),
4991 skb_shinfo(skb)->frags[j].size,
4992 PCI_DMA_TODEVICE);
4993 }
4994 dev_kfree_skb(skb);
4995 j += k + 1;
4996 }
4997 }
4998 }
4999
5000 static void
5001 bnx2_free_rx_skbs(struct bnx2 *bp)
5002 {
5003 int i;
5004
5005 for (i = 0; i < bp->num_rx_rings; i++) {
5006 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5007 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5008 int j;
5009
5010 if (rxr->rx_buf_ring == NULL)
5011 return;
5012
5013 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5014 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5015 struct sk_buff *skb = rx_buf->skb;
5016
5017 if (skb == NULL)
5018 continue;
5019
5020 pci_unmap_single(bp->pdev,
5021 pci_unmap_addr(rx_buf, mapping),
5022 bp->rx_buf_use_size,
5023 PCI_DMA_FROMDEVICE);
5024
5025 rx_buf->skb = NULL;
5026
5027 dev_kfree_skb(skb);
5028 }
5029 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5030 bnx2_free_rx_page(bp, rxr, j);
5031 }
5032 }
5033
5034 static void
5035 bnx2_free_skbs(struct bnx2 *bp)
5036 {
5037 bnx2_free_tx_skbs(bp);
5038 bnx2_free_rx_skbs(bp);
5039 }
5040
5041 static int
5042 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5043 {
5044 int rc;
5045
5046 rc = bnx2_reset_chip(bp, reset_code);
5047 bnx2_free_skbs(bp);
5048 if (rc)
5049 return rc;
5050
5051 if ((rc = bnx2_init_chip(bp)) != 0)
5052 return rc;
5053
5054 bnx2_init_all_rings(bp);
5055 return 0;
5056 }
5057
5058 static int
5059 bnx2_init_nic(struct bnx2 *bp, int reset_phy)
5060 {
5061 int rc;
5062
5063 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5064 return rc;
5065
5066 spin_lock_bh(&bp->phy_lock);
5067 bnx2_init_phy(bp, reset_phy);
5068 bnx2_set_link(bp);
5069 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5070 bnx2_remote_phy_event(bp);
5071 spin_unlock_bh(&bp->phy_lock);
5072 return 0;
5073 }
5074
5075 static int
5076 bnx2_test_registers(struct bnx2 *bp)
5077 {
5078 int ret;
5079 int i, is_5709;
5080 static const struct {
5081 u16 offset;
5082 u16 flags;
5083 #define BNX2_FL_NOT_5709 1
5084 u32 rw_mask;
5085 u32 ro_mask;
5086 } reg_tbl[] = {
5087 { 0x006c, 0, 0x00000000, 0x0000003f },
5088 { 0x0090, 0, 0xffffffff, 0x00000000 },
5089 { 0x0094, 0, 0x00000000, 0x00000000 },
5090
5091 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5092 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5093 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5094 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5095 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5096 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5097 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5098 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5099 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5100
5101 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5102 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5103 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5104 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5105 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5106 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5107
5108 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5109 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5110 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
5111
5112 { 0x1000, 0, 0x00000000, 0x00000001 },
5113 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
5114
5115 { 0x1408, 0, 0x01c00800, 0x00000000 },
5116 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5117 { 0x14a8, 0, 0x00000000, 0x000001ff },
5118 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
5119 { 0x14b0, 0, 0x00000002, 0x00000001 },
5120 { 0x14b8, 0, 0x00000000, 0x00000000 },
5121 { 0x14c0, 0, 0x00000000, 0x00000009 },
5122 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5123 { 0x14cc, 0, 0x00000000, 0x00000001 },
5124 { 0x14d0, 0, 0xffffffff, 0x00000000 },
5125
5126 { 0x1800, 0, 0x00000000, 0x00000001 },
5127 { 0x1804, 0, 0x00000000, 0x00000003 },
5128
5129 { 0x2800, 0, 0x00000000, 0x00000001 },
5130 { 0x2804, 0, 0x00000000, 0x00003f01 },
5131 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5132 { 0x2810, 0, 0xffff0000, 0x00000000 },
5133 { 0x2814, 0, 0xffff0000, 0x00000000 },
5134 { 0x2818, 0, 0xffff0000, 0x00000000 },
5135 { 0x281c, 0, 0xffff0000, 0x00000000 },
5136 { 0x2834, 0, 0xffffffff, 0x00000000 },
5137 { 0x2840, 0, 0x00000000, 0xffffffff },
5138 { 0x2844, 0, 0x00000000, 0xffffffff },
5139 { 0x2848, 0, 0xffffffff, 0x00000000 },
5140 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5141
5142 { 0x2c00, 0, 0x00000000, 0x00000011 },
5143 { 0x2c04, 0, 0x00000000, 0x00030007 },
5144
5145 { 0x3c00, 0, 0x00000000, 0x00000001 },
5146 { 0x3c04, 0, 0x00000000, 0x00070000 },
5147 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5148 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5149 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5150 { 0x3c14, 0, 0x00000000, 0xffffffff },
5151 { 0x3c18, 0, 0x00000000, 0xffffffff },
5152 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5153 { 0x3c20, 0, 0xffffff00, 0x00000000 },
5154
5155 { 0x5004, 0, 0x00000000, 0x0000007f },
5156 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
5157
5158 { 0x5c00, 0, 0x00000000, 0x00000001 },
5159 { 0x5c04, 0, 0x00000000, 0x0003000f },
5160 { 0x5c08, 0, 0x00000003, 0x00000000 },
5161 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5162 { 0x5c10, 0, 0x00000000, 0xffffffff },
5163 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5164 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5165 { 0x5c88, 0, 0x00000000, 0x00077373 },
5166 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5167
5168 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5169 { 0x680c, 0, 0xffffffff, 0x00000000 },
5170 { 0x6810, 0, 0xffffffff, 0x00000000 },
5171 { 0x6814, 0, 0xffffffff, 0x00000000 },
5172 { 0x6818, 0, 0xffffffff, 0x00000000 },
5173 { 0x681c, 0, 0xffffffff, 0x00000000 },
5174 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5175 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5176 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5177 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5178 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5179 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5180 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5181 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5182 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5183 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5184 { 0x684c, 0, 0xffffffff, 0x00000000 },
5185 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5186 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5187 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5188 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5189 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5190 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5191
5192 { 0xffff, 0, 0x00000000, 0x00000000 },
5193 };
5194
5195 ret = 0;
5196 is_5709 = 0;
5197 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5198 is_5709 = 1;
5199
5200 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5201 u32 offset, rw_mask, ro_mask, save_val, val;
5202 u16 flags = reg_tbl[i].flags;
5203
5204 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5205 continue;
5206
5207 offset = (u32) reg_tbl[i].offset;
5208 rw_mask = reg_tbl[i].rw_mask;
5209 ro_mask = reg_tbl[i].ro_mask;
5210
5211 save_val = readl(bp->regview + offset);
5212
5213 writel(0, bp->regview + offset);
5214
5215 val = readl(bp->regview + offset);
5216 if ((val & rw_mask) != 0) {
5217 goto reg_test_err;
5218 }
5219
5220 if ((val & ro_mask) != (save_val & ro_mask)) {
5221 goto reg_test_err;
5222 }
5223
5224 writel(0xffffffff, bp->regview + offset);
5225
5226 val = readl(bp->regview + offset);
5227 if ((val & rw_mask) != rw_mask) {
5228 goto reg_test_err;
5229 }
5230
5231 if ((val & ro_mask) != (save_val & ro_mask)) {
5232 goto reg_test_err;
5233 }
5234
5235 writel(save_val, bp->regview + offset);
5236 continue;
5237
5238 reg_test_err:
5239 writel(save_val, bp->regview + offset);
5240 ret = -ENODEV;
5241 break;
5242 }
5243 return ret;
5244 }
5245
5246 static int
5247 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5248 {
5249 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5250 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5251 int i;
5252
5253 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5254 u32 offset;
5255
5256 for (offset = 0; offset < size; offset += 4) {
5257
5258 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5259
5260 if (bnx2_reg_rd_ind(bp, start + offset) !=
5261 test_pattern[i]) {
5262 return -ENODEV;
5263 }
5264 }
5265 }
5266 return 0;
5267 }
5268
5269 static int
5270 bnx2_test_memory(struct bnx2 *bp)
5271 {
5272 int ret = 0;
5273 int i;
5274 static struct mem_entry {
5275 u32 offset;
5276 u32 len;
5277 } mem_tbl_5706[] = {
5278 { 0x60000, 0x4000 },
5279 { 0xa0000, 0x3000 },
5280 { 0xe0000, 0x4000 },
5281 { 0x120000, 0x4000 },
5282 { 0x1a0000, 0x4000 },
5283 { 0x160000, 0x4000 },
5284 { 0xffffffff, 0 },
5285 },
5286 mem_tbl_5709[] = {
5287 { 0x60000, 0x4000 },
5288 { 0xa0000, 0x3000 },
5289 { 0xe0000, 0x4000 },
5290 { 0x120000, 0x4000 },
5291 { 0x1a0000, 0x4000 },
5292 { 0xffffffff, 0 },
5293 };
5294 struct mem_entry *mem_tbl;
5295
5296 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5297 mem_tbl = mem_tbl_5709;
5298 else
5299 mem_tbl = mem_tbl_5706;
5300
5301 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5302 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5303 mem_tbl[i].len)) != 0) {
5304 return ret;
5305 }
5306 }
5307
5308 return ret;
5309 }
5310
5311 #define BNX2_MAC_LOOPBACK 0
5312 #define BNX2_PHY_LOOPBACK 1
5313
5314 static int
5315 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5316 {
5317 unsigned int pkt_size, num_pkts, i;
5318 struct sk_buff *skb, *rx_skb;
5319 unsigned char *packet;
5320 u16 rx_start_idx, rx_idx;
5321 dma_addr_t map;
5322 struct tx_bd *txbd;
5323 struct sw_bd *rx_buf;
5324 struct l2_fhdr *rx_hdr;
5325 int ret = -ENODEV;
5326 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5327 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5328 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5329
5330 tx_napi = bnapi;
5331
5332 txr = &tx_napi->tx_ring;
5333 rxr = &bnapi->rx_ring;
5334 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5335 bp->loopback = MAC_LOOPBACK;
5336 bnx2_set_mac_loopback(bp);
5337 }
5338 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5339 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5340 return 0;
5341
5342 bp->loopback = PHY_LOOPBACK;
5343 bnx2_set_phy_loopback(bp);
5344 }
5345 else
5346 return -EINVAL;
5347
5348 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5349 skb = netdev_alloc_skb(bp->dev, pkt_size);
5350 if (!skb)
5351 return -ENOMEM;
5352 packet = skb_put(skb, pkt_size);
5353 memcpy(packet, bp->dev->dev_addr, 6);
5354 memset(packet + 6, 0x0, 8);
5355 for (i = 14; i < pkt_size; i++)
5356 packet[i] = (unsigned char) (i & 0xff);
5357
5358 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5359 PCI_DMA_TODEVICE);
5360
5361 REG_WR(bp, BNX2_HC_COMMAND,
5362 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5363
5364 REG_RD(bp, BNX2_HC_COMMAND);
5365
5366 udelay(5);
5367 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5368
5369 num_pkts = 0;
5370
5371 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
5372
5373 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5374 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5375 txbd->tx_bd_mss_nbytes = pkt_size;
5376 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5377
5378 num_pkts++;
5379 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5380 txr->tx_prod_bseq += pkt_size;
5381
5382 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5383 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
5384
5385 udelay(100);
5386
5387 REG_WR(bp, BNX2_HC_COMMAND,
5388 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5389
5390 REG_RD(bp, BNX2_HC_COMMAND);
5391
5392 udelay(5);
5393
5394 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5395 dev_kfree_skb(skb);
5396
5397 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
5398 goto loopback_test_done;
5399
5400 rx_idx = bnx2_get_hw_rx_cons(bnapi);
5401 if (rx_idx != rx_start_idx + num_pkts) {
5402 goto loopback_test_done;
5403 }
5404
5405 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
5406 rx_skb = rx_buf->skb;
5407
5408 rx_hdr = (struct l2_fhdr *) rx_skb->data;
5409 skb_reserve(rx_skb, BNX2_RX_OFFSET);
5410
5411 pci_dma_sync_single_for_cpu(bp->pdev,
5412 pci_unmap_addr(rx_buf, mapping),
5413 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5414
5415 if (rx_hdr->l2_fhdr_status &
5416 (L2_FHDR_ERRORS_BAD_CRC |
5417 L2_FHDR_ERRORS_PHY_DECODE |
5418 L2_FHDR_ERRORS_ALIGNMENT |
5419 L2_FHDR_ERRORS_TOO_SHORT |
5420 L2_FHDR_ERRORS_GIANT_FRAME)) {
5421
5422 goto loopback_test_done;
5423 }
5424
5425 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5426 goto loopback_test_done;
5427 }
5428
5429 for (i = 14; i < pkt_size; i++) {
5430 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5431 goto loopback_test_done;
5432 }
5433 }
5434
5435 ret = 0;
5436
5437 loopback_test_done:
5438 bp->loopback = 0;
5439 return ret;
5440 }
5441
5442 #define BNX2_MAC_LOOPBACK_FAILED 1
5443 #define BNX2_PHY_LOOPBACK_FAILED 2
5444 #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5445 BNX2_PHY_LOOPBACK_FAILED)
5446
5447 static int
5448 bnx2_test_loopback(struct bnx2 *bp)
5449 {
5450 int rc = 0;
5451
5452 if (!netif_running(bp->dev))
5453 return BNX2_LOOPBACK_FAILED;
5454
5455 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5456 spin_lock_bh(&bp->phy_lock);
5457 bnx2_init_phy(bp, 1);
5458 spin_unlock_bh(&bp->phy_lock);
5459 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5460 rc |= BNX2_MAC_LOOPBACK_FAILED;
5461 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5462 rc |= BNX2_PHY_LOOPBACK_FAILED;
5463 return rc;
5464 }
5465
5466 #define NVRAM_SIZE 0x200
5467 #define CRC32_RESIDUAL 0xdebb20e3
5468
5469 static int
5470 bnx2_test_nvram(struct bnx2 *bp)
5471 {
5472 __be32 buf[NVRAM_SIZE / 4];
5473 u8 *data = (u8 *) buf;
5474 int rc = 0;
5475 u32 magic, csum;
5476
5477 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5478 goto test_nvram_done;
5479
5480 magic = be32_to_cpu(buf[0]);
5481 if (magic != 0x669955aa) {
5482 rc = -ENODEV;
5483 goto test_nvram_done;
5484 }
5485
5486 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5487 goto test_nvram_done;
5488
5489 csum = ether_crc_le(0x100, data);
5490 if (csum != CRC32_RESIDUAL) {
5491 rc = -ENODEV;
5492 goto test_nvram_done;
5493 }
5494
5495 csum = ether_crc_le(0x100, data + 0x100);
5496 if (csum != CRC32_RESIDUAL) {
5497 rc = -ENODEV;
5498 }
5499
5500 test_nvram_done:
5501 return rc;
5502 }
5503
5504 static int
5505 bnx2_test_link(struct bnx2 *bp)
5506 {
5507 u32 bmsr;
5508
5509 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5510 if (bp->link_up)
5511 return 0;
5512 return -ENODEV;
5513 }
5514 spin_lock_bh(&bp->phy_lock);
5515 bnx2_enable_bmsr1(bp);
5516 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5517 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5518 bnx2_disable_bmsr1(bp);
5519 spin_unlock_bh(&bp->phy_lock);
5520
5521 if (bmsr & BMSR_LSTATUS) {
5522 return 0;
5523 }
5524 return -ENODEV;
5525 }
5526
5527 static int
5528 bnx2_test_intr(struct bnx2 *bp)
5529 {
5530 int i;
5531 u16 status_idx;
5532
5533 if (!netif_running(bp->dev))
5534 return -ENODEV;
5535
5536 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5537
5538 /* This register is not touched during run-time. */
5539 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5540 REG_RD(bp, BNX2_HC_COMMAND);
5541
5542 for (i = 0; i < 10; i++) {
5543 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5544 status_idx) {
5545
5546 break;
5547 }
5548
5549 msleep_interruptible(10);
5550 }
5551 if (i < 10)
5552 return 0;
5553
5554 return -ENODEV;
5555 }
5556
5557 /* Determining link for parallel detection. */
5558 static int
5559 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5560 {
5561 u32 mode_ctl, an_dbg, exp;
5562
5563 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5564 return 0;
5565
5566 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5567 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5568
5569 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5570 return 0;
5571
5572 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5573 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5574 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5575
5576 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5577 return 0;
5578
5579 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5580 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5581 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5582
5583 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5584 return 0;
5585
5586 return 1;
5587 }
5588
5589 static void
5590 bnx2_5706_serdes_timer(struct bnx2 *bp)
5591 {
5592 int check_link = 1;
5593
5594 spin_lock(&bp->phy_lock);
5595 if (bp->serdes_an_pending) {
5596 bp->serdes_an_pending--;
5597 check_link = 0;
5598 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5599 u32 bmcr;
5600
5601 bp->current_interval = bp->timer_interval;
5602
5603 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5604
5605 if (bmcr & BMCR_ANENABLE) {
5606 if (bnx2_5706_serdes_has_link(bp)) {
5607 bmcr &= ~BMCR_ANENABLE;
5608 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5609 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5610 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5611 }
5612 }
5613 }
5614 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5615 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5616 u32 phy2;
5617
5618 bnx2_write_phy(bp, 0x17, 0x0f01);
5619 bnx2_read_phy(bp, 0x15, &phy2);
5620 if (phy2 & 0x20) {
5621 u32 bmcr;
5622
5623 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5624 bmcr |= BMCR_ANENABLE;
5625 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5626
5627 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5628 }
5629 } else
5630 bp->current_interval = bp->timer_interval;
5631
5632 if (check_link) {
5633 u32 val;
5634
5635 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5636 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5637 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5638
5639 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5640 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5641 bnx2_5706s_force_link_dn(bp, 1);
5642 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5643 } else
5644 bnx2_set_link(bp);
5645 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5646 bnx2_set_link(bp);
5647 }
5648 spin_unlock(&bp->phy_lock);
5649 }
5650
5651 static void
5652 bnx2_5708_serdes_timer(struct bnx2 *bp)
5653 {
5654 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5655 return;
5656
5657 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5658 bp->serdes_an_pending = 0;
5659 return;
5660 }
5661
5662 spin_lock(&bp->phy_lock);
5663 if (bp->serdes_an_pending)
5664 bp->serdes_an_pending--;
5665 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5666 u32 bmcr;
5667
5668 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5669 if (bmcr & BMCR_ANENABLE) {
5670 bnx2_enable_forced_2g5(bp);
5671 bp->current_interval = SERDES_FORCED_TIMEOUT;
5672 } else {
5673 bnx2_disable_forced_2g5(bp);
5674 bp->serdes_an_pending = 2;
5675 bp->current_interval = bp->timer_interval;
5676 }
5677
5678 } else
5679 bp->current_interval = bp->timer_interval;
5680
5681 spin_unlock(&bp->phy_lock);
5682 }
5683
5684 static void
5685 bnx2_timer(unsigned long data)
5686 {
5687 struct bnx2 *bp = (struct bnx2 *) data;
5688
5689 if (!netif_running(bp->dev))
5690 return;
5691
5692 if (atomic_read(&bp->intr_sem) != 0)
5693 goto bnx2_restart_timer;
5694
5695 bnx2_send_heart_beat(bp);
5696
5697 bp->stats_blk->stat_FwRxDrop =
5698 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5699
5700 /* workaround occasional corrupted counters */
5701 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5702 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5703 BNX2_HC_COMMAND_STATS_NOW);
5704
5705 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5706 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5707 bnx2_5706_serdes_timer(bp);
5708 else
5709 bnx2_5708_serdes_timer(bp);
5710 }
5711
5712 bnx2_restart_timer:
5713 mod_timer(&bp->timer, jiffies + bp->current_interval);
5714 }
5715
5716 static int
5717 bnx2_request_irq(struct bnx2 *bp)
5718 {
5719 unsigned long flags;
5720 struct bnx2_irq *irq;
5721 int rc = 0, i;
5722
5723 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5724 flags = 0;
5725 else
5726 flags = IRQF_SHARED;
5727
5728 for (i = 0; i < bp->irq_nvecs; i++) {
5729 irq = &bp->irq_tbl[i];
5730 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5731 &bp->bnx2_napi[i]);
5732 if (rc)
5733 break;
5734 irq->requested = 1;
5735 }
5736 return rc;
5737 }
5738
5739 static void
5740 bnx2_free_irq(struct bnx2 *bp)
5741 {
5742 struct bnx2_irq *irq;
5743 int i;
5744
5745 for (i = 0; i < bp->irq_nvecs; i++) {
5746 irq = &bp->irq_tbl[i];
5747 if (irq->requested)
5748 free_irq(irq->vector, &bp->bnx2_napi[i]);
5749 irq->requested = 0;
5750 }
5751 if (bp->flags & BNX2_FLAG_USING_MSI)
5752 pci_disable_msi(bp->pdev);
5753 else if (bp->flags & BNX2_FLAG_USING_MSIX)
5754 pci_disable_msix(bp->pdev);
5755
5756 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5757 }
5758
5759 static void
5760 bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
5761 {
5762 int i, rc;
5763 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5764
5765 bnx2_setup_msix_tbl(bp);
5766 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5767 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5768 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5769
5770 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5771 msix_ent[i].entry = i;
5772 msix_ent[i].vector = 0;
5773
5774 strcpy(bp->irq_tbl[i].name, bp->dev->name);
5775 bp->irq_tbl[i].handler = bnx2_msi_1shot;
5776 }
5777
5778 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5779 if (rc != 0)
5780 return;
5781
5782 bp->irq_nvecs = msix_vecs;
5783 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5784 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5785 bp->irq_tbl[i].vector = msix_ent[i].vector;
5786 }
5787
5788 static void
5789 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5790 {
5791 int cpus = num_online_cpus();
5792 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
5793
5794 bp->irq_tbl[0].handler = bnx2_interrupt;
5795 strcpy(bp->irq_tbl[0].name, bp->dev->name);
5796 bp->irq_nvecs = 1;
5797 bp->irq_tbl[0].vector = bp->pdev->irq;
5798
5799 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
5800 bnx2_enable_msix(bp, msix_vecs);
5801
5802 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5803 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5804 if (pci_enable_msi(bp->pdev) == 0) {
5805 bp->flags |= BNX2_FLAG_USING_MSI;
5806 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5807 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5808 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5809 } else
5810 bp->irq_tbl[0].handler = bnx2_msi;
5811
5812 bp->irq_tbl[0].vector = bp->pdev->irq;
5813 }
5814 }
5815
5816 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
5817 bp->dev->real_num_tx_queues = bp->num_tx_rings;
5818
5819 bp->num_rx_rings = bp->irq_nvecs;
5820 }
5821
5822 /* Called with rtnl_lock */
5823 static int
5824 bnx2_open(struct net_device *dev)
5825 {
5826 struct bnx2 *bp = netdev_priv(dev);
5827 int rc;
5828
5829 netif_carrier_off(dev);
5830
5831 bnx2_set_power_state(bp, PCI_D0);
5832 bnx2_disable_int(bp);
5833
5834 bnx2_setup_int_mode(bp, disable_msi);
5835 bnx2_napi_enable(bp);
5836 rc = bnx2_alloc_mem(bp);
5837 if (rc)
5838 goto open_err;
5839
5840 rc = bnx2_request_irq(bp);
5841 if (rc)
5842 goto open_err;
5843
5844 rc = bnx2_init_nic(bp, 1);
5845 if (rc)
5846 goto open_err;
5847
5848 mod_timer(&bp->timer, jiffies + bp->current_interval);
5849
5850 atomic_set(&bp->intr_sem, 0);
5851
5852 bnx2_enable_int(bp);
5853
5854 if (bp->flags & BNX2_FLAG_USING_MSI) {
5855 /* Test MSI to make sure it is working
5856 * If MSI test fails, go back to INTx mode
5857 */
5858 if (bnx2_test_intr(bp) != 0) {
5859 printk(KERN_WARNING PFX "%s: No interrupt was generated"
5860 " using MSI, switching to INTx mode. Please"
5861 " report this failure to the PCI maintainer"
5862 " and include system chipset information.\n",
5863 bp->dev->name);
5864
5865 bnx2_disable_int(bp);
5866 bnx2_free_irq(bp);
5867
5868 bnx2_setup_int_mode(bp, 1);
5869
5870 rc = bnx2_init_nic(bp, 0);
5871
5872 if (!rc)
5873 rc = bnx2_request_irq(bp);
5874
5875 if (rc) {
5876 del_timer_sync(&bp->timer);
5877 goto open_err;
5878 }
5879 bnx2_enable_int(bp);
5880 }
5881 }
5882 if (bp->flags & BNX2_FLAG_USING_MSI)
5883 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5884 else if (bp->flags & BNX2_FLAG_USING_MSIX)
5885 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5886
5887 netif_tx_start_all_queues(dev);
5888
5889 return 0;
5890
5891 open_err:
5892 bnx2_napi_disable(bp);
5893 bnx2_free_skbs(bp);
5894 bnx2_free_irq(bp);
5895 bnx2_free_mem(bp);
5896 return rc;
5897 }
5898
5899 static void
5900 bnx2_reset_task(struct work_struct *work)
5901 {
5902 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5903
5904 if (!netif_running(bp->dev))
5905 return;
5906
5907 bnx2_netif_stop(bp);
5908
5909 bnx2_init_nic(bp, 1);
5910
5911 atomic_set(&bp->intr_sem, 1);
5912 bnx2_netif_start(bp);
5913 }
5914
5915 static void
5916 bnx2_tx_timeout(struct net_device *dev)
5917 {
5918 struct bnx2 *bp = netdev_priv(dev);
5919
5920 /* This allows the netif to be shutdown gracefully before resetting */
5921 schedule_work(&bp->reset_task);
5922 }
5923
5924 #ifdef BCM_VLAN
5925 /* Called with rtnl_lock */
5926 static void
5927 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5928 {
5929 struct bnx2 *bp = netdev_priv(dev);
5930
5931 bnx2_netif_stop(bp);
5932
5933 bp->vlgrp = vlgrp;
5934 bnx2_set_rx_mode(dev);
5935 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
5936 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
5937
5938 bnx2_netif_start(bp);
5939 }
5940 #endif
5941
5942 /* Called with netif_tx_lock.
5943 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5944 * netif_wake_queue().
5945 */
5946 static int
5947 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5948 {
5949 struct bnx2 *bp = netdev_priv(dev);
5950 dma_addr_t mapping;
5951 struct tx_bd *txbd;
5952 struct sw_bd *tx_buf;
5953 u32 len, vlan_tag_flags, last_frag, mss;
5954 u16 prod, ring_prod;
5955 int i;
5956 struct bnx2_napi *bnapi;
5957 struct bnx2_tx_ring_info *txr;
5958 struct netdev_queue *txq;
5959
5960 /* Determine which tx ring we will be placed on */
5961 i = skb_get_queue_mapping(skb);
5962 bnapi = &bp->bnx2_napi[i];
5963 txr = &bnapi->tx_ring;
5964 txq = netdev_get_tx_queue(dev, i);
5965
5966 if (unlikely(bnx2_tx_avail(bp, txr) <
5967 (skb_shinfo(skb)->nr_frags + 1))) {
5968 netif_tx_stop_queue(txq);
5969 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5970 dev->name);
5971
5972 return NETDEV_TX_BUSY;
5973 }
5974 len = skb_headlen(skb);
5975 prod = txr->tx_prod;
5976 ring_prod = TX_RING_IDX(prod);
5977
5978 vlan_tag_flags = 0;
5979 if (skb->ip_summed == CHECKSUM_PARTIAL) {
5980 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5981 }
5982
5983 #ifdef BCM_VLAN
5984 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5985 vlan_tag_flags |=
5986 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5987 }
5988 #endif
5989 if ((mss = skb_shinfo(skb)->gso_size)) {
5990 u32 tcp_opt_len, ip_tcp_len;
5991 struct iphdr *iph;
5992
5993 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5994
5995 tcp_opt_len = tcp_optlen(skb);
5996
5997 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5998 u32 tcp_off = skb_transport_offset(skb) -
5999 sizeof(struct ipv6hdr) - ETH_HLEN;
6000
6001 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6002 TX_BD_FLAGS_SW_FLAGS;
6003 if (likely(tcp_off == 0))
6004 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6005 else {
6006 tcp_off >>= 3;
6007 vlan_tag_flags |= ((tcp_off & 0x3) <<
6008 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6009 ((tcp_off & 0x10) <<
6010 TX_BD_FLAGS_TCP6_OFF4_SHL);
6011 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6012 }
6013 } else {
6014 if (skb_header_cloned(skb) &&
6015 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
6016 dev_kfree_skb(skb);
6017 return NETDEV_TX_OK;
6018 }
6019
6020 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
6021
6022 iph = ip_hdr(skb);
6023 iph->check = 0;
6024 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
6025 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
6026 iph->daddr, 0,
6027 IPPROTO_TCP,
6028 0);
6029 if (tcp_opt_len || (iph->ihl > 5)) {
6030 vlan_tag_flags |= ((iph->ihl - 5) +
6031 (tcp_opt_len >> 2)) << 8;
6032 }
6033 }
6034 } else
6035 mss = 0;
6036
6037 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
6038
6039 tx_buf = &txr->tx_buf_ring[ring_prod];
6040 tx_buf->skb = skb;
6041 pci_unmap_addr_set(tx_buf, mapping, mapping);
6042
6043 txbd = &txr->tx_desc_ring[ring_prod];
6044
6045 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6046 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6047 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6048 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6049
6050 last_frag = skb_shinfo(skb)->nr_frags;
6051
6052 for (i = 0; i < last_frag; i++) {
6053 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6054
6055 prod = NEXT_TX_BD(prod);
6056 ring_prod = TX_RING_IDX(prod);
6057 txbd = &txr->tx_desc_ring[ring_prod];
6058
6059 len = frag->size;
6060 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
6061 len, PCI_DMA_TODEVICE);
6062 pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod],
6063 mapping, mapping);
6064
6065 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6066 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6067 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6068 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6069
6070 }
6071 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6072
6073 prod = NEXT_TX_BD(prod);
6074 txr->tx_prod_bseq += skb->len;
6075
6076 REG_WR16(bp, txr->tx_bidx_addr, prod);
6077 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
6078
6079 mmiowb();
6080
6081 txr->tx_prod = prod;
6082 dev->trans_start = jiffies;
6083
6084 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
6085 netif_tx_stop_queue(txq);
6086 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
6087 netif_tx_wake_queue(txq);
6088 }
6089
6090 return NETDEV_TX_OK;
6091 }
6092
6093 /* Called with rtnl_lock */
6094 static int
6095 bnx2_close(struct net_device *dev)
6096 {
6097 struct bnx2 *bp = netdev_priv(dev);
6098 u32 reset_code;
6099
6100 cancel_work_sync(&bp->reset_task);
6101
6102 bnx2_disable_int_sync(bp);
6103 bnx2_napi_disable(bp);
6104 del_timer_sync(&bp->timer);
6105 if (bp->flags & BNX2_FLAG_NO_WOL)
6106 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
6107 else if (bp->wol)
6108 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
6109 else
6110 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
6111 bnx2_reset_chip(bp, reset_code);
6112 bnx2_free_irq(bp);
6113 bnx2_free_skbs(bp);
6114 bnx2_free_mem(bp);
6115 bp->link_up = 0;
6116 netif_carrier_off(bp->dev);
6117 bnx2_set_power_state(bp, PCI_D3hot);
6118 return 0;
6119 }
6120
6121 #define GET_NET_STATS64(ctr) \
6122 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6123 (unsigned long) (ctr##_lo)
6124
6125 #define GET_NET_STATS32(ctr) \
6126 (ctr##_lo)
6127
6128 #if (BITS_PER_LONG == 64)
6129 #define GET_NET_STATS GET_NET_STATS64
6130 #else
6131 #define GET_NET_STATS GET_NET_STATS32
6132 #endif
6133
6134 static struct net_device_stats *
6135 bnx2_get_stats(struct net_device *dev)
6136 {
6137 struct bnx2 *bp = netdev_priv(dev);
6138 struct statistics_block *stats_blk = bp->stats_blk;
6139 struct net_device_stats *net_stats = &bp->net_stats;
6140
6141 if (bp->stats_blk == NULL) {
6142 return net_stats;
6143 }
6144 net_stats->rx_packets =
6145 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6146 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6147 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6148
6149 net_stats->tx_packets =
6150 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6151 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6152 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6153
6154 net_stats->rx_bytes =
6155 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6156
6157 net_stats->tx_bytes =
6158 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6159
6160 net_stats->multicast =
6161 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6162
6163 net_stats->collisions =
6164 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6165
6166 net_stats->rx_length_errors =
6167 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6168 stats_blk->stat_EtherStatsOverrsizePkts);
6169
6170 net_stats->rx_over_errors =
6171 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
6172
6173 net_stats->rx_frame_errors =
6174 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6175
6176 net_stats->rx_crc_errors =
6177 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6178
6179 net_stats->rx_errors = net_stats->rx_length_errors +
6180 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6181 net_stats->rx_crc_errors;
6182
6183 net_stats->tx_aborted_errors =
6184 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6185 stats_blk->stat_Dot3StatsLateCollisions);
6186
6187 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6188 (CHIP_ID(bp) == CHIP_ID_5708_A0))
6189 net_stats->tx_carrier_errors = 0;
6190 else {
6191 net_stats->tx_carrier_errors =
6192 (unsigned long)
6193 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6194 }
6195
6196 net_stats->tx_errors =
6197 (unsigned long)
6198 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6199 +
6200 net_stats->tx_aborted_errors +
6201 net_stats->tx_carrier_errors;
6202
6203 net_stats->rx_missed_errors =
6204 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6205 stats_blk->stat_FwRxDrop);
6206
6207 return net_stats;
6208 }
6209
6210 /* All ethtool functions called with rtnl_lock */
6211
6212 static int
6213 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6214 {
6215 struct bnx2 *bp = netdev_priv(dev);
6216 int support_serdes = 0, support_copper = 0;
6217
6218 cmd->supported = SUPPORTED_Autoneg;
6219 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6220 support_serdes = 1;
6221 support_copper = 1;
6222 } else if (bp->phy_port == PORT_FIBRE)
6223 support_serdes = 1;
6224 else
6225 support_copper = 1;
6226
6227 if (support_serdes) {
6228 cmd->supported |= SUPPORTED_1000baseT_Full |
6229 SUPPORTED_FIBRE;
6230 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6231 cmd->supported |= SUPPORTED_2500baseX_Full;
6232
6233 }
6234 if (support_copper) {
6235 cmd->supported |= SUPPORTED_10baseT_Half |
6236 SUPPORTED_10baseT_Full |
6237 SUPPORTED_100baseT_Half |
6238 SUPPORTED_100baseT_Full |
6239 SUPPORTED_1000baseT_Full |
6240 SUPPORTED_TP;
6241
6242 }
6243
6244 spin_lock_bh(&bp->phy_lock);
6245 cmd->port = bp->phy_port;
6246 cmd->advertising = bp->advertising;
6247
6248 if (bp->autoneg & AUTONEG_SPEED) {
6249 cmd->autoneg = AUTONEG_ENABLE;
6250 }
6251 else {
6252 cmd->autoneg = AUTONEG_DISABLE;
6253 }
6254
6255 if (netif_carrier_ok(dev)) {
6256 cmd->speed = bp->line_speed;
6257 cmd->duplex = bp->duplex;
6258 }
6259 else {
6260 cmd->speed = -1;
6261 cmd->duplex = -1;
6262 }
6263 spin_unlock_bh(&bp->phy_lock);
6264
6265 cmd->transceiver = XCVR_INTERNAL;
6266 cmd->phy_address = bp->phy_addr;
6267
6268 return 0;
6269 }
6270
6271 static int
6272 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6273 {
6274 struct bnx2 *bp = netdev_priv(dev);
6275 u8 autoneg = bp->autoneg;
6276 u8 req_duplex = bp->req_duplex;
6277 u16 req_line_speed = bp->req_line_speed;
6278 u32 advertising = bp->advertising;
6279 int err = -EINVAL;
6280
6281 spin_lock_bh(&bp->phy_lock);
6282
6283 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6284 goto err_out_unlock;
6285
6286 if (cmd->port != bp->phy_port &&
6287 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6288 goto err_out_unlock;
6289
6290 /* If device is down, we can store the settings only if the user
6291 * is setting the currently active port.
6292 */
6293 if (!netif_running(dev) && cmd->port != bp->phy_port)
6294 goto err_out_unlock;
6295
6296 if (cmd->autoneg == AUTONEG_ENABLE) {
6297 autoneg |= AUTONEG_SPEED;
6298
6299 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6300
6301 /* allow advertising 1 speed */
6302 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6303 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6304 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6305 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6306
6307 if (cmd->port == PORT_FIBRE)
6308 goto err_out_unlock;
6309
6310 advertising = cmd->advertising;
6311
6312 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6313 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6314 (cmd->port == PORT_TP))
6315 goto err_out_unlock;
6316 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6317 advertising = cmd->advertising;
6318 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6319 goto err_out_unlock;
6320 else {
6321 if (cmd->port == PORT_FIBRE)
6322 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6323 else
6324 advertising = ETHTOOL_ALL_COPPER_SPEED;
6325 }
6326 advertising |= ADVERTISED_Autoneg;
6327 }
6328 else {
6329 if (cmd->port == PORT_FIBRE) {
6330 if ((cmd->speed != SPEED_1000 &&
6331 cmd->speed != SPEED_2500) ||
6332 (cmd->duplex != DUPLEX_FULL))
6333 goto err_out_unlock;
6334
6335 if (cmd->speed == SPEED_2500 &&
6336 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6337 goto err_out_unlock;
6338 }
6339 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6340 goto err_out_unlock;
6341
6342 autoneg &= ~AUTONEG_SPEED;
6343 req_line_speed = cmd->speed;
6344 req_duplex = cmd->duplex;
6345 advertising = 0;
6346 }
6347
6348 bp->autoneg = autoneg;
6349 bp->advertising = advertising;
6350 bp->req_line_speed = req_line_speed;
6351 bp->req_duplex = req_duplex;
6352
6353 err = 0;
6354 /* If device is down, the new settings will be picked up when it is
6355 * brought up.
6356 */
6357 if (netif_running(dev))
6358 err = bnx2_setup_phy(bp, cmd->port);
6359
6360 err_out_unlock:
6361 spin_unlock_bh(&bp->phy_lock);
6362
6363 return err;
6364 }
6365
6366 static void
6367 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6368 {
6369 struct bnx2 *bp = netdev_priv(dev);
6370
6371 strcpy(info->driver, DRV_MODULE_NAME);
6372 strcpy(info->version, DRV_MODULE_VERSION);
6373 strcpy(info->bus_info, pci_name(bp->pdev));
6374 strcpy(info->fw_version, bp->fw_version);
6375 }
6376
6377 #define BNX2_REGDUMP_LEN (32 * 1024)
6378
6379 static int
6380 bnx2_get_regs_len(struct net_device *dev)
6381 {
6382 return BNX2_REGDUMP_LEN;
6383 }
6384
6385 static void
6386 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6387 {
6388 u32 *p = _p, i, offset;
6389 u8 *orig_p = _p;
6390 struct bnx2 *bp = netdev_priv(dev);
6391 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6392 0x0800, 0x0880, 0x0c00, 0x0c10,
6393 0x0c30, 0x0d08, 0x1000, 0x101c,
6394 0x1040, 0x1048, 0x1080, 0x10a4,
6395 0x1400, 0x1490, 0x1498, 0x14f0,
6396 0x1500, 0x155c, 0x1580, 0x15dc,
6397 0x1600, 0x1658, 0x1680, 0x16d8,
6398 0x1800, 0x1820, 0x1840, 0x1854,
6399 0x1880, 0x1894, 0x1900, 0x1984,
6400 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6401 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6402 0x2000, 0x2030, 0x23c0, 0x2400,
6403 0x2800, 0x2820, 0x2830, 0x2850,
6404 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6405 0x3c00, 0x3c94, 0x4000, 0x4010,
6406 0x4080, 0x4090, 0x43c0, 0x4458,
6407 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6408 0x4fc0, 0x5010, 0x53c0, 0x5444,
6409 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6410 0x5fc0, 0x6000, 0x6400, 0x6428,
6411 0x6800, 0x6848, 0x684c, 0x6860,
6412 0x6888, 0x6910, 0x8000 };
6413
6414 regs->version = 0;
6415
6416 memset(p, 0, BNX2_REGDUMP_LEN);
6417
6418 if (!netif_running(bp->dev))
6419 return;
6420
6421 i = 0;
6422 offset = reg_boundaries[0];
6423 p += offset;
6424 while (offset < BNX2_REGDUMP_LEN) {
6425 *p++ = REG_RD(bp, offset);
6426 offset += 4;
6427 if (offset == reg_boundaries[i + 1]) {
6428 offset = reg_boundaries[i + 2];
6429 p = (u32 *) (orig_p + offset);
6430 i += 2;
6431 }
6432 }
6433 }
6434
6435 static void
6436 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6437 {
6438 struct bnx2 *bp = netdev_priv(dev);
6439
6440 if (bp->flags & BNX2_FLAG_NO_WOL) {
6441 wol->supported = 0;
6442 wol->wolopts = 0;
6443 }
6444 else {
6445 wol->supported = WAKE_MAGIC;
6446 if (bp->wol)
6447 wol->wolopts = WAKE_MAGIC;
6448 else
6449 wol->wolopts = 0;
6450 }
6451 memset(&wol->sopass, 0, sizeof(wol->sopass));
6452 }
6453
6454 static int
6455 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6456 {
6457 struct bnx2 *bp = netdev_priv(dev);
6458
6459 if (wol->wolopts & ~WAKE_MAGIC)
6460 return -EINVAL;
6461
6462 if (wol->wolopts & WAKE_MAGIC) {
6463 if (bp->flags & BNX2_FLAG_NO_WOL)
6464 return -EINVAL;
6465
6466 bp->wol = 1;
6467 }
6468 else {
6469 bp->wol = 0;
6470 }
6471 return 0;
6472 }
6473
6474 static int
6475 bnx2_nway_reset(struct net_device *dev)
6476 {
6477 struct bnx2 *bp = netdev_priv(dev);
6478 u32 bmcr;
6479
6480 if (!(bp->autoneg & AUTONEG_SPEED)) {
6481 return -EINVAL;
6482 }
6483
6484 spin_lock_bh(&bp->phy_lock);
6485
6486 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6487 int rc;
6488
6489 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6490 spin_unlock_bh(&bp->phy_lock);
6491 return rc;
6492 }
6493
6494 /* Force a link down visible on the other side */
6495 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6496 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6497 spin_unlock_bh(&bp->phy_lock);
6498
6499 msleep(20);
6500
6501 spin_lock_bh(&bp->phy_lock);
6502
6503 bp->current_interval = SERDES_AN_TIMEOUT;
6504 bp->serdes_an_pending = 1;
6505 mod_timer(&bp->timer, jiffies + bp->current_interval);
6506 }
6507
6508 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6509 bmcr &= ~BMCR_LOOPBACK;
6510 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6511
6512 spin_unlock_bh(&bp->phy_lock);
6513
6514 return 0;
6515 }
6516
6517 static int
6518 bnx2_get_eeprom_len(struct net_device *dev)
6519 {
6520 struct bnx2 *bp = netdev_priv(dev);
6521
6522 if (bp->flash_info == NULL)
6523 return 0;
6524
6525 return (int) bp->flash_size;
6526 }
6527
6528 static int
6529 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6530 u8 *eebuf)
6531 {
6532 struct bnx2 *bp = netdev_priv(dev);
6533 int rc;
6534
6535 /* parameters already validated in ethtool_get_eeprom */
6536
6537 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6538
6539 return rc;
6540 }
6541
6542 static int
6543 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6544 u8 *eebuf)
6545 {
6546 struct bnx2 *bp = netdev_priv(dev);
6547 int rc;
6548
6549 /* parameters already validated in ethtool_set_eeprom */
6550
6551 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6552
6553 return rc;
6554 }
6555
6556 static int
6557 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6558 {
6559 struct bnx2 *bp = netdev_priv(dev);
6560
6561 memset(coal, 0, sizeof(struct ethtool_coalesce));
6562
6563 coal->rx_coalesce_usecs = bp->rx_ticks;
6564 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6565 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6566 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6567
6568 coal->tx_coalesce_usecs = bp->tx_ticks;
6569 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6570 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6571 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6572
6573 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6574
6575 return 0;
6576 }
6577
6578 static int
6579 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6580 {
6581 struct bnx2 *bp = netdev_priv(dev);
6582
6583 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6584 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6585
6586 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6587 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6588
6589 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6590 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6591
6592 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6593 if (bp->rx_quick_cons_trip_int > 0xff)
6594 bp->rx_quick_cons_trip_int = 0xff;
6595
6596 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6597 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6598
6599 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6600 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6601
6602 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6603 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6604
6605 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6606 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6607 0xff;
6608
6609 bp->stats_ticks = coal->stats_block_coalesce_usecs;
6610 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6611 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6612 bp->stats_ticks = USEC_PER_SEC;
6613 }
6614 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6615 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6616 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6617
6618 if (netif_running(bp->dev)) {
6619 bnx2_netif_stop(bp);
6620 bnx2_init_nic(bp, 0);
6621 bnx2_netif_start(bp);
6622 }
6623
6624 return 0;
6625 }
6626
6627 static void
6628 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6629 {
6630 struct bnx2 *bp = netdev_priv(dev);
6631
6632 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6633 ering->rx_mini_max_pending = 0;
6634 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6635
6636 ering->rx_pending = bp->rx_ring_size;
6637 ering->rx_mini_pending = 0;
6638 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6639
6640 ering->tx_max_pending = MAX_TX_DESC_CNT;
6641 ering->tx_pending = bp->tx_ring_size;
6642 }
6643
6644 static int
6645 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6646 {
6647 if (netif_running(bp->dev)) {
6648 bnx2_netif_stop(bp);
6649 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6650 bnx2_free_skbs(bp);
6651 bnx2_free_mem(bp);
6652 }
6653
6654 bnx2_set_rx_ring_size(bp, rx);
6655 bp->tx_ring_size = tx;
6656
6657 if (netif_running(bp->dev)) {
6658 int rc;
6659
6660 rc = bnx2_alloc_mem(bp);
6661 if (rc)
6662 return rc;
6663 bnx2_init_nic(bp, 0);
6664 bnx2_netif_start(bp);
6665 }
6666 return 0;
6667 }
6668
6669 static int
6670 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6671 {
6672 struct bnx2 *bp = netdev_priv(dev);
6673 int rc;
6674
6675 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6676 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6677 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6678
6679 return -EINVAL;
6680 }
6681 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6682 return rc;
6683 }
6684
6685 static void
6686 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6687 {
6688 struct bnx2 *bp = netdev_priv(dev);
6689
6690 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6691 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6692 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6693 }
6694
6695 static int
6696 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6697 {
6698 struct bnx2 *bp = netdev_priv(dev);
6699
6700 bp->req_flow_ctrl = 0;
6701 if (epause->rx_pause)
6702 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6703 if (epause->tx_pause)
6704 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6705
6706 if (epause->autoneg) {
6707 bp->autoneg |= AUTONEG_FLOW_CTRL;
6708 }
6709 else {
6710 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6711 }
6712
6713 spin_lock_bh(&bp->phy_lock);
6714
6715 bnx2_setup_phy(bp, bp->phy_port);
6716
6717 spin_unlock_bh(&bp->phy_lock);
6718
6719 return 0;
6720 }
6721
6722 static u32
6723 bnx2_get_rx_csum(struct net_device *dev)
6724 {
6725 struct bnx2 *bp = netdev_priv(dev);
6726
6727 return bp->rx_csum;
6728 }
6729
6730 static int
6731 bnx2_set_rx_csum(struct net_device *dev, u32 data)
6732 {
6733 struct bnx2 *bp = netdev_priv(dev);
6734
6735 bp->rx_csum = data;
6736 return 0;
6737 }
6738
6739 static int
6740 bnx2_set_tso(struct net_device *dev, u32 data)
6741 {
6742 struct bnx2 *bp = netdev_priv(dev);
6743
6744 if (data) {
6745 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6746 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6747 dev->features |= NETIF_F_TSO6;
6748 } else
6749 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6750 NETIF_F_TSO_ECN);
6751 return 0;
6752 }
6753
6754 #define BNX2_NUM_STATS 46
6755
6756 static struct {
6757 char string[ETH_GSTRING_LEN];
6758 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6759 { "rx_bytes" },
6760 { "rx_error_bytes" },
6761 { "tx_bytes" },
6762 { "tx_error_bytes" },
6763 { "rx_ucast_packets" },
6764 { "rx_mcast_packets" },
6765 { "rx_bcast_packets" },
6766 { "tx_ucast_packets" },
6767 { "tx_mcast_packets" },
6768 { "tx_bcast_packets" },
6769 { "tx_mac_errors" },
6770 { "tx_carrier_errors" },
6771 { "rx_crc_errors" },
6772 { "rx_align_errors" },
6773 { "tx_single_collisions" },
6774 { "tx_multi_collisions" },
6775 { "tx_deferred" },
6776 { "tx_excess_collisions" },
6777 { "tx_late_collisions" },
6778 { "tx_total_collisions" },
6779 { "rx_fragments" },
6780 { "rx_jabbers" },
6781 { "rx_undersize_packets" },
6782 { "rx_oversize_packets" },
6783 { "rx_64_byte_packets" },
6784 { "rx_65_to_127_byte_packets" },
6785 { "rx_128_to_255_byte_packets" },
6786 { "rx_256_to_511_byte_packets" },
6787 { "rx_512_to_1023_byte_packets" },
6788 { "rx_1024_to_1522_byte_packets" },
6789 { "rx_1523_to_9022_byte_packets" },
6790 { "tx_64_byte_packets" },
6791 { "tx_65_to_127_byte_packets" },
6792 { "tx_128_to_255_byte_packets" },
6793 { "tx_256_to_511_byte_packets" },
6794 { "tx_512_to_1023_byte_packets" },
6795 { "tx_1024_to_1522_byte_packets" },
6796 { "tx_1523_to_9022_byte_packets" },
6797 { "rx_xon_frames" },
6798 { "rx_xoff_frames" },
6799 { "tx_xon_frames" },
6800 { "tx_xoff_frames" },
6801 { "rx_mac_ctrl_frames" },
6802 { "rx_filtered_packets" },
6803 { "rx_discards" },
6804 { "rx_fw_discards" },
6805 };
6806
6807 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6808
6809 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6810 STATS_OFFSET32(stat_IfHCInOctets_hi),
6811 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6812 STATS_OFFSET32(stat_IfHCOutOctets_hi),
6813 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6814 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6815 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6816 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6817 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6818 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6819 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6820 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6821 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6822 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6823 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6824 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6825 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6826 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6827 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6828 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6829 STATS_OFFSET32(stat_EtherStatsCollisions),
6830 STATS_OFFSET32(stat_EtherStatsFragments),
6831 STATS_OFFSET32(stat_EtherStatsJabbers),
6832 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6833 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6834 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6835 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6836 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6837 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6838 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6839 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6840 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6841 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6842 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6843 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6844 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6845 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6846 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6847 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6848 STATS_OFFSET32(stat_XonPauseFramesReceived),
6849 STATS_OFFSET32(stat_XoffPauseFramesReceived),
6850 STATS_OFFSET32(stat_OutXonSent),
6851 STATS_OFFSET32(stat_OutXoffSent),
6852 STATS_OFFSET32(stat_MacControlFramesReceived),
6853 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6854 STATS_OFFSET32(stat_IfInMBUFDiscards),
6855 STATS_OFFSET32(stat_FwRxDrop),
6856 };
6857
6858 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6859 * skipped because of errata.
6860 */
6861 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6862 8,0,8,8,8,8,8,8,8,8,
6863 4,0,4,4,4,4,4,4,4,4,
6864 4,4,4,4,4,4,4,4,4,4,
6865 4,4,4,4,4,4,4,4,4,4,
6866 4,4,4,4,4,4,
6867 };
6868
6869 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6870 8,0,8,8,8,8,8,8,8,8,
6871 4,4,4,4,4,4,4,4,4,4,
6872 4,4,4,4,4,4,4,4,4,4,
6873 4,4,4,4,4,4,4,4,4,4,
6874 4,4,4,4,4,4,
6875 };
6876
6877 #define BNX2_NUM_TESTS 6
6878
6879 static struct {
6880 char string[ETH_GSTRING_LEN];
6881 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6882 { "register_test (offline)" },
6883 { "memory_test (offline)" },
6884 { "loopback_test (offline)" },
6885 { "nvram_test (online)" },
6886 { "interrupt_test (online)" },
6887 { "link_test (online)" },
6888 };
6889
6890 static int
6891 bnx2_get_sset_count(struct net_device *dev, int sset)
6892 {
6893 switch (sset) {
6894 case ETH_SS_TEST:
6895 return BNX2_NUM_TESTS;
6896 case ETH_SS_STATS:
6897 return BNX2_NUM_STATS;
6898 default:
6899 return -EOPNOTSUPP;
6900 }
6901 }
6902
6903 static void
6904 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6905 {
6906 struct bnx2 *bp = netdev_priv(dev);
6907
6908 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6909 if (etest->flags & ETH_TEST_FL_OFFLINE) {
6910 int i;
6911
6912 bnx2_netif_stop(bp);
6913 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6914 bnx2_free_skbs(bp);
6915
6916 if (bnx2_test_registers(bp) != 0) {
6917 buf[0] = 1;
6918 etest->flags |= ETH_TEST_FL_FAILED;
6919 }
6920 if (bnx2_test_memory(bp) != 0) {
6921 buf[1] = 1;
6922 etest->flags |= ETH_TEST_FL_FAILED;
6923 }
6924 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6925 etest->flags |= ETH_TEST_FL_FAILED;
6926
6927 if (!netif_running(bp->dev)) {
6928 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6929 }
6930 else {
6931 bnx2_init_nic(bp, 1);
6932 bnx2_netif_start(bp);
6933 }
6934
6935 /* wait for link up */
6936 for (i = 0; i < 7; i++) {
6937 if (bp->link_up)
6938 break;
6939 msleep_interruptible(1000);
6940 }
6941 }
6942
6943 if (bnx2_test_nvram(bp) != 0) {
6944 buf[3] = 1;
6945 etest->flags |= ETH_TEST_FL_FAILED;
6946 }
6947 if (bnx2_test_intr(bp) != 0) {
6948 buf[4] = 1;
6949 etest->flags |= ETH_TEST_FL_FAILED;
6950 }
6951
6952 if (bnx2_test_link(bp) != 0) {
6953 buf[5] = 1;
6954 etest->flags |= ETH_TEST_FL_FAILED;
6955
6956 }
6957 }
6958
6959 static void
6960 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6961 {
6962 switch (stringset) {
6963 case ETH_SS_STATS:
6964 memcpy(buf, bnx2_stats_str_arr,
6965 sizeof(bnx2_stats_str_arr));
6966 break;
6967 case ETH_SS_TEST:
6968 memcpy(buf, bnx2_tests_str_arr,
6969 sizeof(bnx2_tests_str_arr));
6970 break;
6971 }
6972 }
6973
6974 static void
6975 bnx2_get_ethtool_stats(struct net_device *dev,
6976 struct ethtool_stats *stats, u64 *buf)
6977 {
6978 struct bnx2 *bp = netdev_priv(dev);
6979 int i;
6980 u32 *hw_stats = (u32 *) bp->stats_blk;
6981 u8 *stats_len_arr = NULL;
6982
6983 if (hw_stats == NULL) {
6984 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6985 return;
6986 }
6987
6988 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6989 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6990 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6991 (CHIP_ID(bp) == CHIP_ID_5708_A0))
6992 stats_len_arr = bnx2_5706_stats_len_arr;
6993 else
6994 stats_len_arr = bnx2_5708_stats_len_arr;
6995
6996 for (i = 0; i < BNX2_NUM_STATS; i++) {
6997 if (stats_len_arr[i] == 0) {
6998 /* skip this counter */
6999 buf[i] = 0;
7000 continue;
7001 }
7002 if (stats_len_arr[i] == 4) {
7003 /* 4-byte counter */
7004 buf[i] = (u64)
7005 *(hw_stats + bnx2_stats_offset_arr[i]);
7006 continue;
7007 }
7008 /* 8-byte counter */
7009 buf[i] = (((u64) *(hw_stats +
7010 bnx2_stats_offset_arr[i])) << 32) +
7011 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
7012 }
7013 }
7014
7015 static int
7016 bnx2_phys_id(struct net_device *dev, u32 data)
7017 {
7018 struct bnx2 *bp = netdev_priv(dev);
7019 int i;
7020 u32 save;
7021
7022 if (data == 0)
7023 data = 2;
7024
7025 save = REG_RD(bp, BNX2_MISC_CFG);
7026 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7027
7028 for (i = 0; i < (data * 2); i++) {
7029 if ((i % 2) == 0) {
7030 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7031 }
7032 else {
7033 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7034 BNX2_EMAC_LED_1000MB_OVERRIDE |
7035 BNX2_EMAC_LED_100MB_OVERRIDE |
7036 BNX2_EMAC_LED_10MB_OVERRIDE |
7037 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7038 BNX2_EMAC_LED_TRAFFIC);
7039 }
7040 msleep_interruptible(500);
7041 if (signal_pending(current))
7042 break;
7043 }
7044 REG_WR(bp, BNX2_EMAC_LED, 0);
7045 REG_WR(bp, BNX2_MISC_CFG, save);
7046 return 0;
7047 }
7048
7049 static int
7050 bnx2_set_tx_csum(struct net_device *dev, u32 data)
7051 {
7052 struct bnx2 *bp = netdev_priv(dev);
7053
7054 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7055 return (ethtool_op_set_tx_ipv6_csum(dev, data));
7056 else
7057 return (ethtool_op_set_tx_csum(dev, data));
7058 }
7059
7060 static const struct ethtool_ops bnx2_ethtool_ops = {
7061 .get_settings = bnx2_get_settings,
7062 .set_settings = bnx2_set_settings,
7063 .get_drvinfo = bnx2_get_drvinfo,
7064 .get_regs_len = bnx2_get_regs_len,
7065 .get_regs = bnx2_get_regs,
7066 .get_wol = bnx2_get_wol,
7067 .set_wol = bnx2_set_wol,
7068 .nway_reset = bnx2_nway_reset,
7069 .get_link = ethtool_op_get_link,
7070 .get_eeprom_len = bnx2_get_eeprom_len,
7071 .get_eeprom = bnx2_get_eeprom,
7072 .set_eeprom = bnx2_set_eeprom,
7073 .get_coalesce = bnx2_get_coalesce,
7074 .set_coalesce = bnx2_set_coalesce,
7075 .get_ringparam = bnx2_get_ringparam,
7076 .set_ringparam = bnx2_set_ringparam,
7077 .get_pauseparam = bnx2_get_pauseparam,
7078 .set_pauseparam = bnx2_set_pauseparam,
7079 .get_rx_csum = bnx2_get_rx_csum,
7080 .set_rx_csum = bnx2_set_rx_csum,
7081 .set_tx_csum = bnx2_set_tx_csum,
7082 .set_sg = ethtool_op_set_sg,
7083 .set_tso = bnx2_set_tso,
7084 .self_test = bnx2_self_test,
7085 .get_strings = bnx2_get_strings,
7086 .phys_id = bnx2_phys_id,
7087 .get_ethtool_stats = bnx2_get_ethtool_stats,
7088 .get_sset_count = bnx2_get_sset_count,
7089 };
7090
7091 /* Called with rtnl_lock */
7092 static int
7093 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7094 {
7095 struct mii_ioctl_data *data = if_mii(ifr);
7096 struct bnx2 *bp = netdev_priv(dev);
7097 int err;
7098
7099 switch(cmd) {
7100 case SIOCGMIIPHY:
7101 data->phy_id = bp->phy_addr;
7102
7103 /* fallthru */
7104 case SIOCGMIIREG: {
7105 u32 mii_regval;
7106
7107 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7108 return -EOPNOTSUPP;
7109
7110 if (!netif_running(dev))
7111 return -EAGAIN;
7112
7113 spin_lock_bh(&bp->phy_lock);
7114 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
7115 spin_unlock_bh(&bp->phy_lock);
7116
7117 data->val_out = mii_regval;
7118
7119 return err;
7120 }
7121
7122 case SIOCSMIIREG:
7123 if (!capable(CAP_NET_ADMIN))
7124 return -EPERM;
7125
7126 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7127 return -EOPNOTSUPP;
7128
7129 if (!netif_running(dev))
7130 return -EAGAIN;
7131
7132 spin_lock_bh(&bp->phy_lock);
7133 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
7134 spin_unlock_bh(&bp->phy_lock);
7135
7136 return err;
7137
7138 default:
7139 /* do nothing */
7140 break;
7141 }
7142 return -EOPNOTSUPP;
7143 }
7144
7145 /* Called with rtnl_lock */
7146 static int
7147 bnx2_change_mac_addr(struct net_device *dev, void *p)
7148 {
7149 struct sockaddr *addr = p;
7150 struct bnx2 *bp = netdev_priv(dev);
7151
7152 if (!is_valid_ether_addr(addr->sa_data))
7153 return -EINVAL;
7154
7155 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7156 if (netif_running(dev))
7157 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
7158
7159 return 0;
7160 }
7161
7162 /* Called with rtnl_lock */
7163 static int
7164 bnx2_change_mtu(struct net_device *dev, int new_mtu)
7165 {
7166 struct bnx2 *bp = netdev_priv(dev);
7167
7168 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7169 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7170 return -EINVAL;
7171
7172 dev->mtu = new_mtu;
7173 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
7174 }
7175
7176 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7177 static void
7178 poll_bnx2(struct net_device *dev)
7179 {
7180 struct bnx2 *bp = netdev_priv(dev);
7181
7182 disable_irq(bp->pdev->irq);
7183 bnx2_interrupt(bp->pdev->irq, dev);
7184 enable_irq(bp->pdev->irq);
7185 }
7186 #endif
7187
7188 static void __devinit
7189 bnx2_get_5709_media(struct bnx2 *bp)
7190 {
7191 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7192 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7193 u32 strap;
7194
7195 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7196 return;
7197 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
7198 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7199 return;
7200 }
7201
7202 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7203 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7204 else
7205 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7206
7207 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7208 switch (strap) {
7209 case 0x4:
7210 case 0x5:
7211 case 0x6:
7212 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7213 return;
7214 }
7215 } else {
7216 switch (strap) {
7217 case 0x1:
7218 case 0x2:
7219 case 0x4:
7220 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7221 return;
7222 }
7223 }
7224 }
7225
7226 static void __devinit
7227 bnx2_get_pci_speed(struct bnx2 *bp)
7228 {
7229 u32 reg;
7230
7231 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7232 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7233 u32 clkreg;
7234
7235 bp->flags |= BNX2_FLAG_PCIX;
7236
7237 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7238
7239 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7240 switch (clkreg) {
7241 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7242 bp->bus_speed_mhz = 133;
7243 break;
7244
7245 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7246 bp->bus_speed_mhz = 100;
7247 break;
7248
7249 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7250 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7251 bp->bus_speed_mhz = 66;
7252 break;
7253
7254 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7255 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7256 bp->bus_speed_mhz = 50;
7257 break;
7258
7259 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7260 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7261 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7262 bp->bus_speed_mhz = 33;
7263 break;
7264 }
7265 }
7266 else {
7267 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7268 bp->bus_speed_mhz = 66;
7269 else
7270 bp->bus_speed_mhz = 33;
7271 }
7272
7273 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7274 bp->flags |= BNX2_FLAG_PCI_32BIT;
7275
7276 }
7277
7278 static int __devinit
7279 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7280 {
7281 struct bnx2 *bp;
7282 unsigned long mem_len;
7283 int rc, i, j;
7284 u32 reg;
7285 u64 dma_mask, persist_dma_mask;
7286
7287 SET_NETDEV_DEV(dev, &pdev->dev);
7288 bp = netdev_priv(dev);
7289
7290 bp->flags = 0;
7291 bp->phy_flags = 0;
7292
7293 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7294 rc = pci_enable_device(pdev);
7295 if (rc) {
7296 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7297 goto err_out;
7298 }
7299
7300 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7301 dev_err(&pdev->dev,
7302 "Cannot find PCI device base address, aborting.\n");
7303 rc = -ENODEV;
7304 goto err_out_disable;
7305 }
7306
7307 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7308 if (rc) {
7309 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7310 goto err_out_disable;
7311 }
7312
7313 pci_set_master(pdev);
7314 pci_save_state(pdev);
7315
7316 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7317 if (bp->pm_cap == 0) {
7318 dev_err(&pdev->dev,
7319 "Cannot find power management capability, aborting.\n");
7320 rc = -EIO;
7321 goto err_out_release;
7322 }
7323
7324 bp->dev = dev;
7325 bp->pdev = pdev;
7326
7327 spin_lock_init(&bp->phy_lock);
7328 spin_lock_init(&bp->indirect_lock);
7329 INIT_WORK(&bp->reset_task, bnx2_reset_task);
7330
7331 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7332 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS);
7333 dev->mem_end = dev->mem_start + mem_len;
7334 dev->irq = pdev->irq;
7335
7336 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7337
7338 if (!bp->regview) {
7339 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7340 rc = -ENOMEM;
7341 goto err_out_release;
7342 }
7343
7344 /* Configure byte swap and enable write to the reg_window registers.
7345 * Rely on CPU to do target byte swapping on big endian systems
7346 * The chip's target access swapping will not swap all accesses
7347 */
7348 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7349 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7350 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7351
7352 bnx2_set_power_state(bp, PCI_D0);
7353
7354 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7355
7356 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7357 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7358 dev_err(&pdev->dev,
7359 "Cannot find PCIE capability, aborting.\n");
7360 rc = -EIO;
7361 goto err_out_unmap;
7362 }
7363 bp->flags |= BNX2_FLAG_PCIE;
7364 if (CHIP_REV(bp) == CHIP_REV_Ax)
7365 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7366 } else {
7367 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7368 if (bp->pcix_cap == 0) {
7369 dev_err(&pdev->dev,
7370 "Cannot find PCIX capability, aborting.\n");
7371 rc = -EIO;
7372 goto err_out_unmap;
7373 }
7374 }
7375
7376 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7377 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7378 bp->flags |= BNX2_FLAG_MSIX_CAP;
7379 }
7380
7381 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7382 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7383 bp->flags |= BNX2_FLAG_MSI_CAP;
7384 }
7385
7386 /* 5708 cannot support DMA addresses > 40-bit. */
7387 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7388 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7389 else
7390 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7391
7392 /* Configure DMA attributes. */
7393 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7394 dev->features |= NETIF_F_HIGHDMA;
7395 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7396 if (rc) {
7397 dev_err(&pdev->dev,
7398 "pci_set_consistent_dma_mask failed, aborting.\n");
7399 goto err_out_unmap;
7400 }
7401 } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7402 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7403 goto err_out_unmap;
7404 }
7405
7406 if (!(bp->flags & BNX2_FLAG_PCIE))
7407 bnx2_get_pci_speed(bp);
7408
7409 /* 5706A0 may falsely detect SERR and PERR. */
7410 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7411 reg = REG_RD(bp, PCI_COMMAND);
7412 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7413 REG_WR(bp, PCI_COMMAND, reg);
7414 }
7415 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7416 !(bp->flags & BNX2_FLAG_PCIX)) {
7417
7418 dev_err(&pdev->dev,
7419 "5706 A1 can only be used in a PCIX bus, aborting.\n");
7420 goto err_out_unmap;
7421 }
7422
7423 bnx2_init_nvram(bp);
7424
7425 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7426
7427 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7428 BNX2_SHM_HDR_SIGNATURE_SIG) {
7429 u32 off = PCI_FUNC(pdev->devfn) << 2;
7430
7431 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7432 } else
7433 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7434
7435 /* Get the permanent MAC address. First we need to make sure the
7436 * firmware is actually running.
7437 */
7438 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7439
7440 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7441 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7442 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7443 rc = -ENODEV;
7444 goto err_out_unmap;
7445 }
7446
7447 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7448 for (i = 0, j = 0; i < 3; i++) {
7449 u8 num, k, skip0;
7450
7451 num = (u8) (reg >> (24 - (i * 8)));
7452 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7453 if (num >= k || !skip0 || k == 1) {
7454 bp->fw_version[j++] = (num / k) + '0';
7455 skip0 = 0;
7456 }
7457 }
7458 if (i != 2)
7459 bp->fw_version[j++] = '.';
7460 }
7461 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7462 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7463 bp->wol = 1;
7464
7465 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7466 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7467
7468 for (i = 0; i < 30; i++) {
7469 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7470 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7471 break;
7472 msleep(10);
7473 }
7474 }
7475 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7476 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7477 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7478 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7479 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7480
7481 bp->fw_version[j++] = ' ';
7482 for (i = 0; i < 3; i++) {
7483 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7484 reg = swab32(reg);
7485 memcpy(&bp->fw_version[j], &reg, 4);
7486 j += 4;
7487 }
7488 }
7489
7490 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7491 bp->mac_addr[0] = (u8) (reg >> 8);
7492 bp->mac_addr[1] = (u8) reg;
7493
7494 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7495 bp->mac_addr[2] = (u8) (reg >> 24);
7496 bp->mac_addr[3] = (u8) (reg >> 16);
7497 bp->mac_addr[4] = (u8) (reg >> 8);
7498 bp->mac_addr[5] = (u8) reg;
7499
7500 bp->tx_ring_size = MAX_TX_DESC_CNT;
7501 bnx2_set_rx_ring_size(bp, 255);
7502
7503 bp->rx_csum = 1;
7504
7505 bp->tx_quick_cons_trip_int = 20;
7506 bp->tx_quick_cons_trip = 20;
7507 bp->tx_ticks_int = 80;
7508 bp->tx_ticks = 80;
7509
7510 bp->rx_quick_cons_trip_int = 6;
7511 bp->rx_quick_cons_trip = 6;
7512 bp->rx_ticks_int = 18;
7513 bp->rx_ticks = 18;
7514
7515 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7516
7517 bp->timer_interval = HZ;
7518 bp->current_interval = HZ;
7519
7520 bp->phy_addr = 1;
7521
7522 /* Disable WOL support if we are running on a SERDES chip. */
7523 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7524 bnx2_get_5709_media(bp);
7525 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7526 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7527
7528 bp->phy_port = PORT_TP;
7529 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7530 bp->phy_port = PORT_FIBRE;
7531 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7532 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7533 bp->flags |= BNX2_FLAG_NO_WOL;
7534 bp->wol = 0;
7535 }
7536 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7537 /* Don't do parallel detect on this board because of
7538 * some board problems. The link will not go down
7539 * if we do parallel detect.
7540 */
7541 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7542 pdev->subsystem_device == 0x310c)
7543 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7544 } else {
7545 bp->phy_addr = 2;
7546 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7547 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7548 }
7549 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7550 CHIP_NUM(bp) == CHIP_NUM_5708)
7551 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7552 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7553 (CHIP_REV(bp) == CHIP_REV_Ax ||
7554 CHIP_REV(bp) == CHIP_REV_Bx))
7555 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7556
7557 bnx2_init_fw_cap(bp);
7558
7559 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7560 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7561 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7562 bp->flags |= BNX2_FLAG_NO_WOL;
7563 bp->wol = 0;
7564 }
7565
7566 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7567 bp->tx_quick_cons_trip_int =
7568 bp->tx_quick_cons_trip;
7569 bp->tx_ticks_int = bp->tx_ticks;
7570 bp->rx_quick_cons_trip_int =
7571 bp->rx_quick_cons_trip;
7572 bp->rx_ticks_int = bp->rx_ticks;
7573 bp->comp_prod_trip_int = bp->comp_prod_trip;
7574 bp->com_ticks_int = bp->com_ticks;
7575 bp->cmd_ticks_int = bp->cmd_ticks;
7576 }
7577
7578 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7579 *
7580 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7581 * with byte enables disabled on the unused 32-bit word. This is legal
7582 * but causes problems on the AMD 8132 which will eventually stop
7583 * responding after a while.
7584 *
7585 * AMD believes this incompatibility is unique to the 5706, and
7586 * prefers to locally disable MSI rather than globally disabling it.
7587 */
7588 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7589 struct pci_dev *amd_8132 = NULL;
7590
7591 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7592 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7593 amd_8132))) {
7594
7595 if (amd_8132->revision >= 0x10 &&
7596 amd_8132->revision <= 0x13) {
7597 disable_msi = 1;
7598 pci_dev_put(amd_8132);
7599 break;
7600 }
7601 }
7602 }
7603
7604 bnx2_set_default_link(bp);
7605 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7606
7607 init_timer(&bp->timer);
7608 bp->timer.expires = RUN_AT(bp->timer_interval);
7609 bp->timer.data = (unsigned long) bp;
7610 bp->timer.function = bnx2_timer;
7611
7612 return 0;
7613
7614 err_out_unmap:
7615 if (bp->regview) {
7616 iounmap(bp->regview);
7617 bp->regview = NULL;
7618 }
7619
7620 err_out_release:
7621 pci_release_regions(pdev);
7622
7623 err_out_disable:
7624 pci_disable_device(pdev);
7625 pci_set_drvdata(pdev, NULL);
7626
7627 err_out:
7628 return rc;
7629 }
7630
7631 static char * __devinit
7632 bnx2_bus_string(struct bnx2 *bp, char *str)
7633 {
7634 char *s = str;
7635
7636 if (bp->flags & BNX2_FLAG_PCIE) {
7637 s += sprintf(s, "PCI Express");
7638 } else {
7639 s += sprintf(s, "PCI");
7640 if (bp->flags & BNX2_FLAG_PCIX)
7641 s += sprintf(s, "-X");
7642 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7643 s += sprintf(s, " 32-bit");
7644 else
7645 s += sprintf(s, " 64-bit");
7646 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7647 }
7648 return str;
7649 }
7650
7651 static void __devinit
7652 bnx2_init_napi(struct bnx2 *bp)
7653 {
7654 int i;
7655
7656 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7657 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
7658 int (*poll)(struct napi_struct *, int);
7659
7660 if (i == 0)
7661 poll = bnx2_poll;
7662 else
7663 poll = bnx2_poll_msix;
7664
7665 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
7666 bnapi->bp = bp;
7667 }
7668 }
7669
7670 static int __devinit
7671 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7672 {
7673 static int version_printed = 0;
7674 struct net_device *dev = NULL;
7675 struct bnx2 *bp;
7676 int rc;
7677 char str[40];
7678 DECLARE_MAC_BUF(mac);
7679
7680 if (version_printed++ == 0)
7681 printk(KERN_INFO "%s", version);
7682
7683 /* dev zeroed in init_etherdev */
7684 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
7685
7686 if (!dev)
7687 return -ENOMEM;
7688
7689 rc = bnx2_init_board(pdev, dev);
7690 if (rc < 0) {
7691 free_netdev(dev);
7692 return rc;
7693 }
7694
7695 dev->open = bnx2_open;
7696 dev->hard_start_xmit = bnx2_start_xmit;
7697 dev->stop = bnx2_close;
7698 dev->get_stats = bnx2_get_stats;
7699 dev->set_rx_mode = bnx2_set_rx_mode;
7700 dev->do_ioctl = bnx2_ioctl;
7701 dev->set_mac_address = bnx2_change_mac_addr;
7702 dev->change_mtu = bnx2_change_mtu;
7703 dev->tx_timeout = bnx2_tx_timeout;
7704 dev->watchdog_timeo = TX_TIMEOUT;
7705 #ifdef BCM_VLAN
7706 dev->vlan_rx_register = bnx2_vlan_rx_register;
7707 #endif
7708 dev->ethtool_ops = &bnx2_ethtool_ops;
7709
7710 bp = netdev_priv(dev);
7711 bnx2_init_napi(bp);
7712
7713 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7714 dev->poll_controller = poll_bnx2;
7715 #endif
7716
7717 pci_set_drvdata(pdev, dev);
7718
7719 memcpy(dev->dev_addr, bp->mac_addr, 6);
7720 memcpy(dev->perm_addr, bp->mac_addr, 6);
7721 bp->name = board_info[ent->driver_data].name;
7722
7723 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7724 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7725 dev->features |= NETIF_F_IPV6_CSUM;
7726
7727 #ifdef BCM_VLAN
7728 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7729 #endif
7730 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7731 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7732 dev->features |= NETIF_F_TSO6;
7733
7734 if ((rc = register_netdev(dev))) {
7735 dev_err(&pdev->dev, "Cannot register net device\n");
7736 if (bp->regview)
7737 iounmap(bp->regview);
7738 pci_release_regions(pdev);
7739 pci_disable_device(pdev);
7740 pci_set_drvdata(pdev, NULL);
7741 free_netdev(dev);
7742 return rc;
7743 }
7744
7745 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7746 "IRQ %d, node addr %s\n",
7747 dev->name,
7748 bp->name,
7749 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7750 ((CHIP_ID(bp) & 0x0ff0) >> 4),
7751 bnx2_bus_string(bp, str),
7752 dev->base_addr,
7753 bp->pdev->irq, print_mac(mac, dev->dev_addr));
7754
7755 return 0;
7756 }
7757
7758 static void __devexit
7759 bnx2_remove_one(struct pci_dev *pdev)
7760 {
7761 struct net_device *dev = pci_get_drvdata(pdev);
7762 struct bnx2 *bp = netdev_priv(dev);
7763
7764 flush_scheduled_work();
7765
7766 unregister_netdev(dev);
7767
7768 if (bp->regview)
7769 iounmap(bp->regview);
7770
7771 free_netdev(dev);
7772 pci_release_regions(pdev);
7773 pci_disable_device(pdev);
7774 pci_set_drvdata(pdev, NULL);
7775 }
7776
7777 static int
7778 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7779 {
7780 struct net_device *dev = pci_get_drvdata(pdev);
7781 struct bnx2 *bp = netdev_priv(dev);
7782 u32 reset_code;
7783
7784 /* PCI register 4 needs to be saved whether netif_running() or not.
7785 * MSI address and data need to be saved if using MSI and
7786 * netif_running().
7787 */
7788 pci_save_state(pdev);
7789 if (!netif_running(dev))
7790 return 0;
7791
7792 flush_scheduled_work();
7793 bnx2_netif_stop(bp);
7794 netif_device_detach(dev);
7795 del_timer_sync(&bp->timer);
7796 if (bp->flags & BNX2_FLAG_NO_WOL)
7797 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
7798 else if (bp->wol)
7799 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7800 else
7801 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7802 bnx2_reset_chip(bp, reset_code);
7803 bnx2_free_skbs(bp);
7804 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7805 return 0;
7806 }
7807
7808 static int
7809 bnx2_resume(struct pci_dev *pdev)
7810 {
7811 struct net_device *dev = pci_get_drvdata(pdev);
7812 struct bnx2 *bp = netdev_priv(dev);
7813
7814 pci_restore_state(pdev);
7815 if (!netif_running(dev))
7816 return 0;
7817
7818 bnx2_set_power_state(bp, PCI_D0);
7819 netif_device_attach(dev);
7820 bnx2_init_nic(bp, 1);
7821 bnx2_netif_start(bp);
7822 return 0;
7823 }
7824
7825 /**
7826 * bnx2_io_error_detected - called when PCI error is detected
7827 * @pdev: Pointer to PCI device
7828 * @state: The current pci connection state
7829 *
7830 * This function is called after a PCI bus error affecting
7831 * this device has been detected.
7832 */
7833 static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
7834 pci_channel_state_t state)
7835 {
7836 struct net_device *dev = pci_get_drvdata(pdev);
7837 struct bnx2 *bp = netdev_priv(dev);
7838
7839 rtnl_lock();
7840 netif_device_detach(dev);
7841
7842 if (netif_running(dev)) {
7843 bnx2_netif_stop(bp);
7844 del_timer_sync(&bp->timer);
7845 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
7846 }
7847
7848 pci_disable_device(pdev);
7849 rtnl_unlock();
7850
7851 /* Request a slot slot reset. */
7852 return PCI_ERS_RESULT_NEED_RESET;
7853 }
7854
7855 /**
7856 * bnx2_io_slot_reset - called after the pci bus has been reset.
7857 * @pdev: Pointer to PCI device
7858 *
7859 * Restart the card from scratch, as if from a cold-boot.
7860 */
7861 static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
7862 {
7863 struct net_device *dev = pci_get_drvdata(pdev);
7864 struct bnx2 *bp = netdev_priv(dev);
7865
7866 rtnl_lock();
7867 if (pci_enable_device(pdev)) {
7868 dev_err(&pdev->dev,
7869 "Cannot re-enable PCI device after reset.\n");
7870 rtnl_unlock();
7871 return PCI_ERS_RESULT_DISCONNECT;
7872 }
7873 pci_set_master(pdev);
7874 pci_restore_state(pdev);
7875
7876 if (netif_running(dev)) {
7877 bnx2_set_power_state(bp, PCI_D0);
7878 bnx2_init_nic(bp, 1);
7879 }
7880
7881 rtnl_unlock();
7882 return PCI_ERS_RESULT_RECOVERED;
7883 }
7884
7885 /**
7886 * bnx2_io_resume - called when traffic can start flowing again.
7887 * @pdev: Pointer to PCI device
7888 *
7889 * This callback is called when the error recovery driver tells us that
7890 * its OK to resume normal operation.
7891 */
7892 static void bnx2_io_resume(struct pci_dev *pdev)
7893 {
7894 struct net_device *dev = pci_get_drvdata(pdev);
7895 struct bnx2 *bp = netdev_priv(dev);
7896
7897 rtnl_lock();
7898 if (netif_running(dev))
7899 bnx2_netif_start(bp);
7900
7901 netif_device_attach(dev);
7902 rtnl_unlock();
7903 }
7904
7905 static struct pci_error_handlers bnx2_err_handler = {
7906 .error_detected = bnx2_io_error_detected,
7907 .slot_reset = bnx2_io_slot_reset,
7908 .resume = bnx2_io_resume,
7909 };
7910
7911 static struct pci_driver bnx2_pci_driver = {
7912 .name = DRV_MODULE_NAME,
7913 .id_table = bnx2_pci_tbl,
7914 .probe = bnx2_init_one,
7915 .remove = __devexit_p(bnx2_remove_one),
7916 .suspend = bnx2_suspend,
7917 .resume = bnx2_resume,
7918 .err_handler = &bnx2_err_handler,
7919 };
7920
7921 static int __init bnx2_init(void)
7922 {
7923 return pci_register_driver(&bnx2_pci_driver);
7924 }
7925
7926 static void __exit bnx2_cleanup(void)
7927 {
7928 pci_unregister_driver(&bnx2_pci_driver);
7929 }
7930
7931 module_init(bnx2_init);
7932 module_exit(bnx2_cleanup);
7933
7934
7935
Linux kernel - Deliverables
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