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8021q: vlan device is lockless do not transfer real_num_{tx|rx}_queues
[mirror_ubuntu-eoan-kernel.git] / drivers / net / bnx2.c
CommitLineData
b6016b76
MC		 1/* bnx2.c: Broadcom NX2 network driver.
2 *
bec92044 3 * Copyright (c) 2004-2010 Broadcom Corporation
b6016b76
MC		 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
3a9c6a49 12#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
f2a4f052
MC		 13
14#include <linux/module.h>
15#include <linux/moduleparam.h>
16
17#include <linux/kernel.h>
18#include <linux/timer.h>
19#include <linux/errno.h>
20#include <linux/ioport.h>
21#include <linux/slab.h>
22#include <linux/vmalloc.h>
23#include <linux/interrupt.h>
24#include <linux/pci.h>
25#include <linux/init.h>
26#include <linux/netdevice.h>
27#include <linux/etherdevice.h>
28#include <linux/skbuff.h>
29#include <linux/dma-mapping.h>
1977f032 30#include <linux/bitops.h>
f2a4f052
MC		 31#include <asm/io.h>
32#include <asm/irq.h>
33#include <linux/delay.h>
34#include <asm/byteorder.h>
c86a31f4 35#include <asm/page.h>
f2a4f052
MC		 36#include <linux/time.h>
37#include <linux/ethtool.h>
38#include <linux/mii.h>
f2a4f052 39#include <linux/if_vlan.h>
f2a4f052 40#include <net/ip.h>
de081fa5 41#include <net/tcp.h>
f2a4f052 42#include <net/checksum.h>
f2a4f052
MC		 43#include <linux/workqueue.h>
44#include <linux/crc32.h>
45#include <linux/prefetch.h>
29b12174 46#include <linux/cache.h>
57579f76 47#include <linux/firmware.h>
706bf240 48#include <linux/log2.h>
cd709aa9 49#include <linux/aer.h>
f2a4f052 50
4edd473f
MC		 51#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
52#define BCM_CNIC 1
53#include "cnic_if.h"
54#endif
b6016b76
MC		 55#include "bnx2.h"
56#include "bnx2_fw.h"
b3448b0b 57
b6016b76 58#define DRV_MODULE_NAME "bnx2"
c239f279
MC		 59#define DRV_MODULE_VERSION "2.0.18"
60#define DRV_MODULE_RELDATE "Oct 7, 2010"
22fa159d
MC		 61#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.0.15.fw"
62#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
63#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.0.17.fw"
64#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw"
65#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw"
b6016b76
MC		 66
67#define RUN_AT(x) (jiffies + (x))
68
69/* Time in jiffies before concluding the transmitter is hung. */
70#define TX_TIMEOUT (5*HZ)
71
fefa8645 72static char version[] __devinitdata =
b6016b76
MC		 73 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
74
75MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
453a9c6e 76MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
b6016b76
MC		 77MODULE_LICENSE("GPL");
78MODULE_VERSION(DRV_MODULE_VERSION);
57579f76
MC		 79MODULE_FIRMWARE(FW_MIPS_FILE_06);
80MODULE_FIRMWARE(FW_RV2P_FILE_06);
81MODULE_FIRMWARE(FW_MIPS_FILE_09);
82MODULE_FIRMWARE(FW_RV2P_FILE_09);
078b0735 83MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
b6016b76
MC		 84
85static int disable_msi = 0;
86
87module_param(disable_msi, int, 0);
88MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
89
90typedef enum {
91 BCM5706 = 0,
92 NC370T,
93 NC370I,
94 BCM5706S,
95 NC370F,
5b0c76ad
MC		 96 BCM5708,
97 BCM5708S,
bac0dff6 98 BCM5709,
27a005b8 99 BCM5709S,
7bb0a04f 100 BCM5716,
1caacecb 101 BCM5716S,
b6016b76
MC		 102} board_t;
103
104/* indexed by board_t, above */
fefa8645 105static struct {
b6016b76
MC		 106 char *name;
107} board_info[] __devinitdata = {
108 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
109 { "HP NC370T Multifunction Gigabit Server Adapter" },
110 { "HP NC370i Multifunction Gigabit Server Adapter" },
111 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
112 { "HP NC370F Multifunction Gigabit Server Adapter" },
5b0c76ad
MC		 113 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
114 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
bac0dff6 115 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
27a005b8 116 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
7bb0a04f 117 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
1caacecb 118 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
b6016b76
MC		 119 };
120
7bb0a04f 121static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
b6016b76
MC		 122 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
123 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
125 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
126 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
127 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
5b0c76ad
MC		 128 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
129 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
b6016b76
MC		 130 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
131 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
132 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
133 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
5b0c76ad
MC		 134 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
bac0dff6
MC		 136 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
137 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
27a005b8
MC		 138 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
139 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
7bb0a04f
MC		 140 { PCI_VENDOR_ID_BROADCOM, 0x163b,
141 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
1caacecb 142 { PCI_VENDOR_ID_BROADCOM, 0x163c,
1f2435e5 143 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
b6016b76
MC		 144 { 0, }
145};
146
0ced9d01 147static const struct flash_spec flash_table[] =
b6016b76 148{
e30372c9
MC		 149#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
150#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
b6016b76 151 /* Slow EEPROM */
37137709 152 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
e30372c9 153 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
b6016b76
MC		 154 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
155 "EEPROM - slow"},
37137709
MC		 156 /* Expansion entry 0001 */
157 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 158 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 159 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
160 "Entry 0001"},
b6016b76
MC		 161 /* Saifun SA25F010 (non-buffered flash) */
162 /* strap, cfg1, & write1 need updates */
37137709 163 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 164 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
b6016b76
MC		 165 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
166 "Non-buffered flash (128kB)"},
167 /* Saifun SA25F020 (non-buffered flash) */
168 /* strap, cfg1, & write1 need updates */
37137709 169 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 170 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
b6016b76
MC		 171 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
172 "Non-buffered flash (256kB)"},
37137709
MC		 173 /* Expansion entry 0100 */
174 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 175 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 176 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
177 "Entry 0100"},
178 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
6aa20a22 179 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
e30372c9 180 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
37137709
MC		 181 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
182 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
183 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
184 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
e30372c9 185 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
37137709
MC		 186 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
187 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
188 /* Saifun SA25F005 (non-buffered flash) */
189 /* strap, cfg1, & write1 need updates */
190 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 191 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 192 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
193 "Non-buffered flash (64kB)"},
194 /* Fast EEPROM */
195 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
e30372c9 196 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
37137709
MC		 197 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
198 "EEPROM - fast"},
199 /* Expansion entry 1001 */
200 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 201 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 202 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
203 "Entry 1001"},
204 /* Expansion entry 1010 */
205 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 206 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 207 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
208 "Entry 1010"},
209 /* ATMEL AT45DB011B (buffered flash) */
210 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 211 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC		 212 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
213 "Buffered flash (128kB)"},
214 /* Expansion entry 1100 */
215 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 216 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 217 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
218 "Entry 1100"},
219 /* Expansion entry 1101 */
220 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
e30372c9 221 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
37137709
MC		 222 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
223 "Entry 1101"},
224 /* Ateml Expansion entry 1110 */
225 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 226 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC		 227 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
228 "Entry 1110 (Atmel)"},
229 /* ATMEL AT45DB021B (buffered flash) */
230 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
e30372c9 231 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
37137709
MC		 232 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
233 "Buffered flash (256kB)"},
b6016b76
MC		 234};
235
0ced9d01 236static const struct flash_spec flash_5709 = {
e30372c9
MC		 237 .flags = BNX2_NV_BUFFERED,
238 .page_bits = BCM5709_FLASH_PAGE_BITS,
239 .page_size = BCM5709_FLASH_PAGE_SIZE,
240 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
241 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
242 .name = "5709 Buffered flash (256kB)",
243};
244
b6016b76
MC		 245MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
246
4327ba43 247static void bnx2_init_napi(struct bnx2 *bp);
f048fa9c 248static void bnx2_del_napi(struct bnx2 *bp);
4327ba43 249
35e9010b 250static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
e89bbf10 251{
2f8af120 252 u32 diff;
e89bbf10 253
11848b96
MC		 254 /* Tell compiler to fetch tx_prod and tx_cons from memory. */
255 barrier();
faac9c4b
MC		 256
257 /* The ring uses 256 indices for 255 entries, one of them
258 * needs to be skipped.
259 */
35e9010b 260 diff = txr->tx_prod - txr->tx_cons;
faac9c4b
MC		 261 if (unlikely(diff >= TX_DESC_CNT)) {
262 diff &= 0xffff;
263 if (diff == TX_DESC_CNT)
264 diff = MAX_TX_DESC_CNT;
265 }
807540ba 266 return bp->tx_ring_size - diff;
e89bbf10
MC		 267}
268
b6016b76
MC		 269static u32
270bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
271{
1b8227c4
MC		 272 u32 val;
273
274 spin_lock_bh(&bp->indirect_lock);
b6016b76 275 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
1b8227c4
MC		 276 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
277 spin_unlock_bh(&bp->indirect_lock);
278 return val;
b6016b76
MC		 279}
280
281static void
282bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
283{
1b8227c4 284 spin_lock_bh(&bp->indirect_lock);
b6016b76
MC		 285 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
286 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
1b8227c4 287 spin_unlock_bh(&bp->indirect_lock);
b6016b76
MC		 288}
289
2726d6e1
MC		 290static void
291bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
292{
293 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
294}
295
296static u32
297bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
298{
807540ba 299 return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
2726d6e1
MC		 300}
301
b6016b76
MC		 302static void
303bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
304{
305 offset += cid_addr;
1b8227c4 306 spin_lock_bh(&bp->indirect_lock);
59b47d8a
MC		 307 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
308 int i;
309
310 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
311 REG_WR(bp, BNX2_CTX_CTX_CTRL,
312 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
313 for (i = 0; i < 5; i++) {
59b47d8a
MC		 314 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
315 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
316 break;
317 udelay(5);
318 }
319 } else {
320 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
321 REG_WR(bp, BNX2_CTX_DATA, val);
322 }
1b8227c4 323 spin_unlock_bh(&bp->indirect_lock);
b6016b76
MC		 324}
325
4edd473f
MC		 326#ifdef BCM_CNIC
327static int
328bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
329{
330 struct bnx2 *bp = netdev_priv(dev);
331 struct drv_ctl_io *io = &info->data.io;
332
333 switch (info->cmd) {
334 case DRV_CTL_IO_WR_CMD:
335 bnx2_reg_wr_ind(bp, io->offset, io->data);
336 break;
337 case DRV_CTL_IO_RD_CMD:
338 io->data = bnx2_reg_rd_ind(bp, io->offset);
339 break;
340 case DRV_CTL_CTX_WR_CMD:
341 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
342 break;
343 default:
344 return -EINVAL;
345 }
346 return 0;
347}
348
349static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
350{
351 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
352 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
353 int sb_id;
354
355 if (bp->flags & BNX2_FLAG_USING_MSIX) {
356 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
357 bnapi->cnic_present = 0;
358 sb_id = bp->irq_nvecs;
359 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
360 } else {
361 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
362 bnapi->cnic_tag = bnapi->last_status_idx;
363 bnapi->cnic_present = 1;
364 sb_id = 0;
365 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
366 }
367
368 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
369 cp->irq_arr[0].status_blk = (void *)
370 ((unsigned long) bnapi->status_blk.msi +
371 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
372 cp->irq_arr[0].status_blk_num = sb_id;
373 cp->num_irq = 1;
374}
375
376static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
377 void *data)
378{
379 struct bnx2 *bp = netdev_priv(dev);
380 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
381
382 if (ops == NULL)
383 return -EINVAL;
384
385 if (cp->drv_state & CNIC_DRV_STATE_REGD)
386 return -EBUSY;
387
388 bp->cnic_data = data;
389 rcu_assign_pointer(bp->cnic_ops, ops);
390
391 cp->num_irq = 0;
392 cp->drv_state = CNIC_DRV_STATE_REGD;
393
394 bnx2_setup_cnic_irq_info(bp);
395
396 return 0;
397}
398
399static int bnx2_unregister_cnic(struct net_device *dev)
400{
401 struct bnx2 *bp = netdev_priv(dev);
402 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
403 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
404
c5a88950 405 mutex_lock(&bp->cnic_lock);
4edd473f
MC		 406 cp->drv_state = 0;
407 bnapi->cnic_present = 0;
408 rcu_assign_pointer(bp->cnic_ops, NULL);
c5a88950 409 mutex_unlock(&bp->cnic_lock);
4edd473f
MC		 410 synchronize_rcu();
411 return 0;
412}
413
414struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
415{
416 struct bnx2 *bp = netdev_priv(dev);
417 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
418
419 cp->drv_owner = THIS_MODULE;
420 cp->chip_id = bp->chip_id;
421 cp->pdev = bp->pdev;
422 cp->io_base = bp->regview;
423 cp->drv_ctl = bnx2_drv_ctl;
424 cp->drv_register_cnic = bnx2_register_cnic;
425 cp->drv_unregister_cnic = bnx2_unregister_cnic;
426
427 return cp;
428}
429EXPORT_SYMBOL(bnx2_cnic_probe);
430
431static void
432bnx2_cnic_stop(struct bnx2 *bp)
433{
434 struct cnic_ops *c_ops;
435 struct cnic_ctl_info info;
436
c5a88950
MC		 437 mutex_lock(&bp->cnic_lock);
438 c_ops = bp->cnic_ops;
4edd473f
MC		 439 if (c_ops) {
440 info.cmd = CNIC_CTL_STOP_CMD;
441 c_ops->cnic_ctl(bp->cnic_data, &info);
442 }
c5a88950 443 mutex_unlock(&bp->cnic_lock);
4edd473f
MC		 444}
445
446static void
447bnx2_cnic_start(struct bnx2 *bp)
448{
449 struct cnic_ops *c_ops;
450 struct cnic_ctl_info info;
451
c5a88950
MC		 452 mutex_lock(&bp->cnic_lock);
453 c_ops = bp->cnic_ops;
4edd473f
MC		 454 if (c_ops) {
455 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
456 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
457
458 bnapi->cnic_tag = bnapi->last_status_idx;
459 }
460 info.cmd = CNIC_CTL_START_CMD;
461 c_ops->cnic_ctl(bp->cnic_data, &info);
462 }
c5a88950 463 mutex_unlock(&bp->cnic_lock);
4edd473f
MC		 464}
465
466#else
467
468static void
469bnx2_cnic_stop(struct bnx2 *bp)
470{
471}
472
473static void
474bnx2_cnic_start(struct bnx2 *bp)
475{
476}
477
478#endif
479
b6016b76
MC		 480static int
481bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
482{
483 u32 val1;
484 int i, ret;
485
583c28e5 486 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
b6016b76
MC		 487 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
488 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
489
490 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
491 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
492
493 udelay(40);
494 }
495
496 val1 = (bp->phy_addr << 21) | (reg << 16) |
497 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
498 BNX2_EMAC_MDIO_COMM_START_BUSY;
499 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
500
501 for (i = 0; i < 50; i++) {
502 udelay(10);
503
504 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
505 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
506 udelay(5);
507
508 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
509 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
510
511 break;
512 }
513 }
514
515 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
516 *val = 0x0;
517 ret = -EBUSY;
518 }
519 else {
520 *val = val1;
521 ret = 0;
522 }
523
583c28e5 524 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
b6016b76
MC		 525 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
526 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
527
528 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
529 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
530
531 udelay(40);
532 }
533
534 return ret;
535}
536
537static int
538bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
539{
540 u32 val1;
541 int i, ret;
542
583c28e5 543 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
b6016b76
MC		 544 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
545 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
546
547 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
548 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
549
550 udelay(40);
551 }
552
553 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
554 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
555 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
556 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
6aa20a22 557
b6016b76
MC		 558 for (i = 0; i < 50; i++) {
559 udelay(10);
560
561 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
562 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
563 udelay(5);
564 break;
565 }
566 }
567
568 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
569 ret = -EBUSY;
570 else
571 ret = 0;
572
583c28e5 573 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
b6016b76
MC		 574 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
575 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
576
577 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
578 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
579
580 udelay(40);
581 }
582
583 return ret;
584}
585
586static void
587bnx2_disable_int(struct bnx2 *bp)
588{
b4b36042
MC		 589 int i;
590 struct bnx2_napi *bnapi;
591
592 for (i = 0; i < bp->irq_nvecs; i++) {
593 bnapi = &bp->bnx2_napi[i];
594 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
595 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
596 }
b6016b76
MC		 597 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
598}
599
600static void
601bnx2_enable_int(struct bnx2 *bp)
602{
b4b36042
MC		 603 int i;
604 struct bnx2_napi *bnapi;
35efa7c1 605
b4b36042
MC		 606 for (i = 0; i < bp->irq_nvecs; i++) {
607 bnapi = &bp->bnx2_napi[i];
1269a8a6 608
b4b36042
MC		 609 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
610 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
611 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
612 bnapi->last_status_idx);
b6016b76 613
b4b36042
MC		 614 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
615 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
616 bnapi->last_status_idx);
617 }
bf5295bb 618 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
b6016b76
MC		 619}
620
621static void
622bnx2_disable_int_sync(struct bnx2 *bp)
623{
b4b36042
MC		 624 int i;
625
b6016b76 626 atomic_inc(&bp->intr_sem);
3767546c
MC		 627 if (!netif_running(bp->dev))
628 return;
629
b6016b76 630 bnx2_disable_int(bp);
b4b36042
MC		 631 for (i = 0; i < bp->irq_nvecs; i++)
632 synchronize_irq(bp->irq_tbl[i].vector);
b6016b76
MC		 633}
634
35efa7c1
MC		 635static void
636bnx2_napi_disable(struct bnx2 *bp)
637{
b4b36042
MC		 638 int i;
639
640 for (i = 0; i < bp->irq_nvecs; i++)
641 napi_disable(&bp->bnx2_napi[i].napi);
35efa7c1
MC		 642}
643
644static void
645bnx2_napi_enable(struct bnx2 *bp)
646{
b4b36042
MC		 647 int i;
648
649 for (i = 0; i < bp->irq_nvecs; i++)
650 napi_enable(&bp->bnx2_napi[i].napi);
35efa7c1
MC		 651}
652
b6016b76 653static void
212f9934 654bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
b6016b76 655{
212f9934
MC		 656 if (stop_cnic)
657 bnx2_cnic_stop(bp);
b6016b76 658 if (netif_running(bp->dev)) {
35efa7c1 659 bnx2_napi_disable(bp);
b6016b76 660 netif_tx_disable(bp->dev);
b6016b76 661 }
b7466560 662 bnx2_disable_int_sync(bp);
a0ba6760 663 netif_carrier_off(bp->dev); /* prevent tx timeout */
b6016b76
MC		 664}
665
666static void
212f9934 667bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
b6016b76
MC		 668{
669 if (atomic_dec_and_test(&bp->intr_sem)) {
670 if (netif_running(bp->dev)) {
706bf240 671 netif_tx_wake_all_queues(bp->dev);
a0ba6760
MC		 672 spin_lock_bh(&bp->phy_lock);
673 if (bp->link_up)
674 netif_carrier_on(bp->dev);
675 spin_unlock_bh(&bp->phy_lock);
35efa7c1 676 bnx2_napi_enable(bp);
b6016b76 677 bnx2_enable_int(bp);
212f9934
MC		 678 if (start_cnic)
679 bnx2_cnic_start(bp);
b6016b76
MC		 680 }
681 }
682}
683
35e9010b
MC		 684static void
685bnx2_free_tx_mem(struct bnx2 *bp)
686{
687 int i;
688
689 for (i = 0; i < bp->num_tx_rings; i++) {
690 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
691 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
692
693 if (txr->tx_desc_ring) {
36227e88
SG		 694 dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
695 txr->tx_desc_ring,
696 txr->tx_desc_mapping);
35e9010b
MC		 697 txr->tx_desc_ring = NULL;
698 }
699 kfree(txr->tx_buf_ring);
700 txr->tx_buf_ring = NULL;
701 }
702}
703
bb4f98ab
MC		 704static void
705bnx2_free_rx_mem(struct bnx2 *bp)
706{
707 int i;
708
709 for (i = 0; i < bp->num_rx_rings; i++) {
710 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
711 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
712 int j;
713
714 for (j = 0; j < bp->rx_max_ring; j++) {
715 if (rxr->rx_desc_ring[j])
36227e88
SG		 716 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
717 rxr->rx_desc_ring[j],
718 rxr->rx_desc_mapping[j]);
bb4f98ab
MC		 719 rxr->rx_desc_ring[j] = NULL;
720 }
25b0b999 721 vfree(rxr->rx_buf_ring);
bb4f98ab
MC		 722 rxr->rx_buf_ring = NULL;
723
724 for (j = 0; j < bp->rx_max_pg_ring; j++) {
725 if (rxr->rx_pg_desc_ring[j])
36227e88
SG		 726 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
727 rxr->rx_pg_desc_ring[j],
728 rxr->rx_pg_desc_mapping[j]);
3298a738 729 rxr->rx_pg_desc_ring[j] = NULL;
bb4f98ab 730 }
25b0b999 731 vfree(rxr->rx_pg_ring);
bb4f98ab
MC		 732 rxr->rx_pg_ring = NULL;
733 }
734}
735
35e9010b
MC		 736static int
737bnx2_alloc_tx_mem(struct bnx2 *bp)
738{
739 int i;
740
741 for (i = 0; i < bp->num_tx_rings; i++) {
742 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
743 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
744
745 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
746 if (txr->tx_buf_ring == NULL)
747 return -ENOMEM;
748
749 txr->tx_desc_ring =
36227e88
SG		 750 dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
751 &txr->tx_desc_mapping, GFP_KERNEL);
35e9010b
MC		 752 if (txr->tx_desc_ring == NULL)
753 return -ENOMEM;
754 }
755 return 0;
756}
757
bb4f98ab
MC		 758static int
759bnx2_alloc_rx_mem(struct bnx2 *bp)
760{
761 int i;
762
763 for (i = 0; i < bp->num_rx_rings; i++) {
764 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
765 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
766 int j;
767
768 rxr->rx_buf_ring =
89bf67f1 769 vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
bb4f98ab
MC		 770 if (rxr->rx_buf_ring == NULL)
771 return -ENOMEM;
772
bb4f98ab
MC		 773 for (j = 0; j < bp->rx_max_ring; j++) {
774 rxr->rx_desc_ring[j] =
36227e88
SG		 775 dma_alloc_coherent(&bp->pdev->dev,
776 RXBD_RING_SIZE,
777 &rxr->rx_desc_mapping[j],
778 GFP_KERNEL);
bb4f98ab
MC		 779 if (rxr->rx_desc_ring[j] == NULL)
780 return -ENOMEM;
781
782 }
783
784 if (bp->rx_pg_ring_size) {
89bf67f1 785 rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
bb4f98ab
MC		 786 bp->rx_max_pg_ring);
787 if (rxr->rx_pg_ring == NULL)
788 return -ENOMEM;
789
bb4f98ab
MC		 790 }
791
792 for (j = 0; j < bp->rx_max_pg_ring; j++) {
793 rxr->rx_pg_desc_ring[j] =
36227e88
SG		 794 dma_alloc_coherent(&bp->pdev->dev,
795 RXBD_RING_SIZE,
796 &rxr->rx_pg_desc_mapping[j],
797 GFP_KERNEL);
bb4f98ab
MC		 798 if (rxr->rx_pg_desc_ring[j] == NULL)
799 return -ENOMEM;
800
801 }
802 }
803 return 0;
804}
805
b6016b76
MC		 806static void
807bnx2_free_mem(struct bnx2 *bp)
808{
13daffa2 809 int i;
43e80b89 810 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
13daffa2 811
35e9010b 812 bnx2_free_tx_mem(bp);
bb4f98ab 813 bnx2_free_rx_mem(bp);
35e9010b 814
59b47d8a
MC		 815 for (i = 0; i < bp->ctx_pages; i++) {
816 if (bp->ctx_blk[i]) {
36227e88
SG		 817 dma_free_coherent(&bp->pdev->dev, BCM_PAGE_SIZE,
818 bp->ctx_blk[i],
819 bp->ctx_blk_mapping[i]);
59b47d8a
MC		 820 bp->ctx_blk[i] = NULL;
821 }
822 }
43e80b89 823 if (bnapi->status_blk.msi) {
36227e88
SG		 824 dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
825 bnapi->status_blk.msi,
826 bp->status_blk_mapping);
43e80b89 827 bnapi->status_blk.msi = NULL;
0f31f994 828 bp->stats_blk = NULL;
b6016b76 829 }
b6016b76
MC		 830}
831
832static int
833bnx2_alloc_mem(struct bnx2 *bp)
834{
35e9010b 835 int i, status_blk_size, err;
43e80b89
MC		 836 struct bnx2_napi *bnapi;
837 void *status_blk;
b6016b76 838
0f31f994
MC		 839 /* Combine status and statistics blocks into one allocation. */
840 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
f86e82fb 841 if (bp->flags & BNX2_FLAG_MSIX_CAP)
b4b36042
MC		 842 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
843 BNX2_SBLK_MSIX_ALIGN_SIZE);
0f31f994
MC		 844 bp->status_stats_size = status_blk_size +
845 sizeof(struct statistics_block);
846
36227e88
SG		 847 status_blk = dma_alloc_coherent(&bp->pdev->dev, bp->status_stats_size,
848 &bp->status_blk_mapping, GFP_KERNEL);
43e80b89 849 if (status_blk == NULL)
b6016b76
MC		 850 goto alloc_mem_err;
851
43e80b89 852 memset(status_blk, 0, bp->status_stats_size);
b6016b76 853
43e80b89
MC		 854 bnapi = &bp->bnx2_napi[0];
855 bnapi->status_blk.msi = status_blk;
856 bnapi->hw_tx_cons_ptr =
857 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
858 bnapi->hw_rx_cons_ptr =
859 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
f86e82fb 860 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
379b39a2 861 for (i = 1; i < bp->irq_nvecs; i++) {
43e80b89
MC		 862 struct status_block_msix *sblk;
863
864 bnapi = &bp->bnx2_napi[i];
b4b36042 865
43e80b89
MC		 866 sblk = (void *) (status_blk +
867 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
868 bnapi->status_blk.msix = sblk;
869 bnapi->hw_tx_cons_ptr =
870 &sblk->status_tx_quick_consumer_index;
871 bnapi->hw_rx_cons_ptr =
872 &sblk->status_rx_quick_consumer_index;
b4b36042
MC		 873 bnapi->int_num = i << 24;
874 }
875 }
35efa7c1 876
43e80b89 877 bp->stats_blk = status_blk + status_blk_size;
b6016b76 878
0f31f994 879 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
b6016b76 880
59b47d8a
MC		 881 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
882 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
883 if (bp->ctx_pages == 0)
884 bp->ctx_pages = 1;
885 for (i = 0; i < bp->ctx_pages; i++) {
36227e88 886 bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev,
59b47d8a 887 BCM_PAGE_SIZE,
36227e88
SG		 888 &bp->ctx_blk_mapping[i],
889 GFP_KERNEL);
59b47d8a
MC		 890 if (bp->ctx_blk[i] == NULL)
891 goto alloc_mem_err;
892 }
893 }
35e9010b 894
bb4f98ab
MC		 895 err = bnx2_alloc_rx_mem(bp);
896 if (err)
897 goto alloc_mem_err;
898
35e9010b
MC		 899 err = bnx2_alloc_tx_mem(bp);
900 if (err)
901 goto alloc_mem_err;
902
b6016b76
MC		 903 return 0;
904
905alloc_mem_err:
906 bnx2_free_mem(bp);
907 return -ENOMEM;
908}
909
e3648b3d
MC		 910static void
911bnx2_report_fw_link(struct bnx2 *bp)
912{
913 u32 fw_link_status = 0;
914
583c28e5 915 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC		 916 return;
917
e3648b3d
MC		 918 if (bp->link_up) {
919 u32 bmsr;
920
921 switch (bp->line_speed) {
922 case SPEED_10:
923 if (bp->duplex == DUPLEX_HALF)
924 fw_link_status = BNX2_LINK_STATUS_10HALF;
925 else
926 fw_link_status = BNX2_LINK_STATUS_10FULL;
927 break;
928 case SPEED_100:
929 if (bp->duplex == DUPLEX_HALF)
930 fw_link_status = BNX2_LINK_STATUS_100HALF;
931 else
932 fw_link_status = BNX2_LINK_STATUS_100FULL;
933 break;
934 case SPEED_1000:
935 if (bp->duplex == DUPLEX_HALF)
936 fw_link_status = BNX2_LINK_STATUS_1000HALF;
937 else
938 fw_link_status = BNX2_LINK_STATUS_1000FULL;
939 break;
940 case SPEED_2500:
941 if (bp->duplex == DUPLEX_HALF)
942 fw_link_status = BNX2_LINK_STATUS_2500HALF;
943 else
944 fw_link_status = BNX2_LINK_STATUS_2500FULL;
945 break;
946 }
947
948 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
949
950 if (bp->autoneg) {
951 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
952
ca58c3af
MC		 953 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
954 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
e3648b3d
MC		 955
956 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
583c28e5 957 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
e3648b3d
MC		 958 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
959 else
960 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
961 }
962 }
963 else
964 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
965
2726d6e1 966 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
e3648b3d
MC		 967}
968
9b1084b8
MC		 969static char *
970bnx2_xceiver_str(struct bnx2 *bp)
971{
807540ba 972 return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
583c28e5 973 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
807540ba 974 "Copper");
9b1084b8
MC		 975}
976
b6016b76
MC		 977static void
978bnx2_report_link(struct bnx2 *bp)
979{
980 if (bp->link_up) {
981 netif_carrier_on(bp->dev);
3a9c6a49
JP		 982 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
983 bnx2_xceiver_str(bp),
984 bp->line_speed,
985 bp->duplex == DUPLEX_FULL ? "full" : "half");
b6016b76
MC		 986
987 if (bp->flow_ctrl) {
988 if (bp->flow_ctrl & FLOW_CTRL_RX) {
3a9c6a49 989 pr_cont(", receive ");
b6016b76 990 if (bp->flow_ctrl & FLOW_CTRL_TX)
3a9c6a49 991 pr_cont("& transmit ");
b6016b76
MC		 992 }
993 else {
3a9c6a49 994 pr_cont(", transmit ");
b6016b76 995 }
3a9c6a49 996 pr_cont("flow control ON");
b6016b76 997 }
3a9c6a49
JP		 998 pr_cont("\n");
999 } else {
b6016b76 1000 netif_carrier_off(bp->dev);
3a9c6a49
JP		 1001 netdev_err(bp->dev, "NIC %s Link is Down\n",
1002 bnx2_xceiver_str(bp));
b6016b76 1003 }
e3648b3d
MC		 1004
1005 bnx2_report_fw_link(bp);
b6016b76
MC		 1006}
1007
1008static void
1009bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1010{
1011 u32 local_adv, remote_adv;
1012
1013 bp->flow_ctrl = 0;
6aa20a22 1014 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
b6016b76
MC		 1015 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1016
1017 if (bp->duplex == DUPLEX_FULL) {
1018 bp->flow_ctrl = bp->req_flow_ctrl;
1019 }
1020 return;
1021 }
1022
1023 if (bp->duplex != DUPLEX_FULL) {
1024 return;
1025 }
1026
583c28e5 1027 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
5b0c76ad
MC		 1028 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
1029 u32 val;
1030
1031 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1032 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1033 bp->flow_ctrl |= FLOW_CTRL_TX;
1034 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1035 bp->flow_ctrl |= FLOW_CTRL_RX;
1036 return;
1037 }
1038
ca58c3af
MC		 1039 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1040 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76 1041
583c28e5 1042 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC		 1043 u32 new_local_adv = 0;
1044 u32 new_remote_adv = 0;
1045
1046 if (local_adv & ADVERTISE_1000XPAUSE)
1047 new_local_adv |= ADVERTISE_PAUSE_CAP;
1048 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1049 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1050 if (remote_adv & ADVERTISE_1000XPAUSE)
1051 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1052 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1053 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1054
1055 local_adv = new_local_adv;
1056 remote_adv = new_remote_adv;
1057 }
1058
1059 /* See Table 28B-3 of 802.3ab-1999 spec. */
1060 if (local_adv & ADVERTISE_PAUSE_CAP) {
1061 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1062 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1063 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1064 }
1065 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1066 bp->flow_ctrl = FLOW_CTRL_RX;
1067 }
1068 }
1069 else {
1070 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1071 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1072 }
1073 }
1074 }
1075 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1076 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1077 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1078
1079 bp->flow_ctrl = FLOW_CTRL_TX;
1080 }
1081 }
1082}
1083
27a005b8
MC		 1084static int
1085bnx2_5709s_linkup(struct bnx2 *bp)
1086{
1087 u32 val, speed;
1088
1089 bp->link_up = 1;
1090
1091 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1092 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1093 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1094
1095 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1096 bp->line_speed = bp->req_line_speed;
1097 bp->duplex = bp->req_duplex;
1098 return 0;
1099 }
1100 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1101 switch (speed) {
1102 case MII_BNX2_GP_TOP_AN_SPEED_10:
1103 bp->line_speed = SPEED_10;
1104 break;
1105 case MII_BNX2_GP_TOP_AN_SPEED_100:
1106 bp->line_speed = SPEED_100;
1107 break;
1108 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1109 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1110 bp->line_speed = SPEED_1000;
1111 break;
1112 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1113 bp->line_speed = SPEED_2500;
1114 break;
1115 }
1116 if (val & MII_BNX2_GP_TOP_AN_FD)
1117 bp->duplex = DUPLEX_FULL;
1118 else
1119 bp->duplex = DUPLEX_HALF;
1120 return 0;
1121}
1122
b6016b76 1123static int
5b0c76ad
MC		 1124bnx2_5708s_linkup(struct bnx2 *bp)
1125{
1126 u32 val;
1127
1128 bp->link_up = 1;
1129 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1130 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1131 case BCM5708S_1000X_STAT1_SPEED_10:
1132 bp->line_speed = SPEED_10;
1133 break;
1134 case BCM5708S_1000X_STAT1_SPEED_100:
1135 bp->line_speed = SPEED_100;
1136 break;
1137 case BCM5708S_1000X_STAT1_SPEED_1G:
1138 bp->line_speed = SPEED_1000;
1139 break;
1140 case BCM5708S_1000X_STAT1_SPEED_2G5:
1141 bp->line_speed = SPEED_2500;
1142 break;
1143 }
1144 if (val & BCM5708S_1000X_STAT1_FD)
1145 bp->duplex = DUPLEX_FULL;
1146 else
1147 bp->duplex = DUPLEX_HALF;
1148
1149 return 0;
1150}
1151
1152static int
1153bnx2_5706s_linkup(struct bnx2 *bp)
b6016b76
MC		 1154{
1155 u32 bmcr, local_adv, remote_adv, common;
1156
1157 bp->link_up = 1;
1158 bp->line_speed = SPEED_1000;
1159
ca58c3af 1160 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC		 1161 if (bmcr & BMCR_FULLDPLX) {
1162 bp->duplex = DUPLEX_FULL;
1163 }
1164 else {
1165 bp->duplex = DUPLEX_HALF;
1166 }
1167
1168 if (!(bmcr & BMCR_ANENABLE)) {
1169 return 0;
1170 }
1171
ca58c3af
MC		 1172 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1173 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76
MC		 1174
1175 common = local_adv & remote_adv;
1176 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1177
1178 if (common & ADVERTISE_1000XFULL) {
1179 bp->duplex = DUPLEX_FULL;
1180 }
1181 else {
1182 bp->duplex = DUPLEX_HALF;
1183 }
1184 }
1185
1186 return 0;
1187}
1188
1189static int
1190bnx2_copper_linkup(struct bnx2 *bp)
1191{
1192 u32 bmcr;
1193
ca58c3af 1194 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC		 1195 if (bmcr & BMCR_ANENABLE) {
1196 u32 local_adv, remote_adv, common;
1197
1198 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1199 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1200
1201 common = local_adv & (remote_adv >> 2);
1202 if (common & ADVERTISE_1000FULL) {
1203 bp->line_speed = SPEED_1000;
1204 bp->duplex = DUPLEX_FULL;
1205 }
1206 else if (common & ADVERTISE_1000HALF) {
1207 bp->line_speed = SPEED_1000;
1208 bp->duplex = DUPLEX_HALF;
1209 }
1210 else {
ca58c3af
MC		 1211 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1212 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
b6016b76
MC		 1213
1214 common = local_adv & remote_adv;
1215 if (common & ADVERTISE_100FULL) {
1216 bp->line_speed = SPEED_100;
1217 bp->duplex = DUPLEX_FULL;
1218 }
1219 else if (common & ADVERTISE_100HALF) {
1220 bp->line_speed = SPEED_100;
1221 bp->duplex = DUPLEX_HALF;
1222 }
1223 else if (common & ADVERTISE_10FULL) {
1224 bp->line_speed = SPEED_10;
1225 bp->duplex = DUPLEX_FULL;
1226 }
1227 else if (common & ADVERTISE_10HALF) {
1228 bp->line_speed = SPEED_10;
1229 bp->duplex = DUPLEX_HALF;
1230 }
1231 else {
1232 bp->line_speed = 0;
1233 bp->link_up = 0;
1234 }
1235 }
1236 }
1237 else {
1238 if (bmcr & BMCR_SPEED100) {
1239 bp->line_speed = SPEED_100;
1240 }
1241 else {
1242 bp->line_speed = SPEED_10;
1243 }
1244 if (bmcr & BMCR_FULLDPLX) {
1245 bp->duplex = DUPLEX_FULL;
1246 }
1247 else {
1248 bp->duplex = DUPLEX_HALF;
1249 }
1250 }
1251
1252 return 0;
1253}
1254
83e3fc89 1255static void
bb4f98ab 1256bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
83e3fc89 1257{
bb4f98ab 1258 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
83e3fc89
MC		 1259
1260 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1261 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1262 val |= 0x02 << 8;
1263
22fa159d
MC		 1264 if (bp->flow_ctrl & FLOW_CTRL_TX)
1265 val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
83e3fc89 1266
83e3fc89
MC		 1267 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1268}
1269
bb4f98ab
MC		 1270static void
1271bnx2_init_all_rx_contexts(struct bnx2 *bp)
1272{
1273 int i;
1274 u32 cid;
1275
1276 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1277 if (i == 1)
1278 cid = RX_RSS_CID;
1279 bnx2_init_rx_context(bp, cid);
1280 }
1281}
1282
344478db 1283static void
b6016b76
MC		 1284bnx2_set_mac_link(struct bnx2 *bp)
1285{
1286 u32 val;
1287
1288 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1289 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1290 (bp->duplex == DUPLEX_HALF)) {
1291 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1292 }
1293
1294 /* Configure the EMAC mode register. */
1295 val = REG_RD(bp, BNX2_EMAC_MODE);
1296
1297 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
5b0c76ad 1298 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
59b47d8a 1299 BNX2_EMAC_MODE_25G_MODE);
b6016b76
MC		 1300
1301 if (bp->link_up) {
5b0c76ad
MC		 1302 switch (bp->line_speed) {
1303 case SPEED_10:
59b47d8a
MC		 1304 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1305 val |= BNX2_EMAC_MODE_PORT_MII_10M;
5b0c76ad
MC		 1306 break;
1307 }
1308 /* fall through */
1309 case SPEED_100:
1310 val |= BNX2_EMAC_MODE_PORT_MII;
1311 break;
1312 case SPEED_2500:
59b47d8a 1313 val |= BNX2_EMAC_MODE_25G_MODE;
5b0c76ad
MC		 1314 /* fall through */
1315 case SPEED_1000:
1316 val |= BNX2_EMAC_MODE_PORT_GMII;
1317 break;
1318 }
b6016b76
MC		 1319 }
1320 else {
1321 val |= BNX2_EMAC_MODE_PORT_GMII;
1322 }
1323
1324 /* Set the MAC to operate in the appropriate duplex mode. */
1325 if (bp->duplex == DUPLEX_HALF)
1326 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1327 REG_WR(bp, BNX2_EMAC_MODE, val);
1328
1329 /* Enable/disable rx PAUSE. */
1330 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1331
1332 if (bp->flow_ctrl & FLOW_CTRL_RX)
1333 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1334 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1335
1336 /* Enable/disable tx PAUSE. */
1337 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1338 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1339
1340 if (bp->flow_ctrl & FLOW_CTRL_TX)
1341 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1342 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1343
1344 /* Acknowledge the interrupt. */
1345 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1346
22fa159d 1347 bnx2_init_all_rx_contexts(bp);
b6016b76
MC		 1348}
1349
27a005b8
MC		 1350static void
1351bnx2_enable_bmsr1(struct bnx2 *bp)
1352{
583c28e5 1353 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
27a005b8
MC		 1354 (CHIP_NUM(bp) == CHIP_NUM_5709))
1355 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1356 MII_BNX2_BLK_ADDR_GP_STATUS);
1357}
1358
1359static void
1360bnx2_disable_bmsr1(struct bnx2 *bp)
1361{
583c28e5 1362 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
27a005b8
MC		 1363 (CHIP_NUM(bp) == CHIP_NUM_5709))
1364 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1365 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1366}
1367
605a9e20
MC		 1368static int
1369bnx2_test_and_enable_2g5(struct bnx2 *bp)
1370{
1371 u32 up1;
1372 int ret = 1;
1373
583c28e5 1374 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC		 1375 return 0;
1376
1377 if (bp->autoneg & AUTONEG_SPEED)
1378 bp->advertising |= ADVERTISED_2500baseX_Full;
1379
27a005b8
MC		 1380 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1381 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1382
605a9e20
MC		 1383 bnx2_read_phy(bp, bp->mii_up1, &up1);
1384 if (!(up1 & BCM5708S_UP1_2G5)) {
1385 up1 |= BCM5708S_UP1_2G5;
1386 bnx2_write_phy(bp, bp->mii_up1, up1);
1387 ret = 0;
1388 }
1389
27a005b8
MC		 1390 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1391 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1392 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1393
605a9e20
MC		 1394 return ret;
1395}
1396
1397static int
1398bnx2_test_and_disable_2g5(struct bnx2 *bp)
1399{
1400 u32 up1;
1401 int ret = 0;
1402
583c28e5 1403 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC		 1404 return 0;
1405
27a005b8
MC		 1406 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1407 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1408
605a9e20
MC		 1409 bnx2_read_phy(bp, bp->mii_up1, &up1);
1410 if (up1 & BCM5708S_UP1_2G5) {
1411 up1 &= ~BCM5708S_UP1_2G5;
1412 bnx2_write_phy(bp, bp->mii_up1, up1);
1413 ret = 1;
1414 }
1415
27a005b8
MC		 1416 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1417 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1418 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1419
605a9e20
MC		 1420 return ret;
1421}
1422
1423static void
1424bnx2_enable_forced_2g5(struct bnx2 *bp)
1425{
cbd6890c
MC		 1426 u32 uninitialized_var(bmcr);
1427 int err;
605a9e20 1428
583c28e5 1429 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC		 1430 return;
1431
27a005b8
MC		 1432 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1433 u32 val;
1434
1435 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1436 MII_BNX2_BLK_ADDR_SERDES_DIG);
cbd6890c
MC		 1437 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1438 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1439 val |= MII_BNX2_SD_MISC1_FORCE |
1440 MII_BNX2_SD_MISC1_FORCE_2_5G;
1441 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1442 }
27a005b8
MC		 1443
1444 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1445 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
cbd6890c 1446 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
27a005b8
MC		 1447
1448 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
cbd6890c
MC		 1449 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1450 if (!err)
1451 bmcr |= BCM5708S_BMCR_FORCE_2500;
c7079857
ED		 1452 } else {
1453 return;
605a9e20
MC		 1454 }
1455
cbd6890c
MC		 1456 if (err)
1457 return;
1458
605a9e20
MC		 1459 if (bp->autoneg & AUTONEG_SPEED) {
1460 bmcr &= ~BMCR_ANENABLE;
1461 if (bp->req_duplex == DUPLEX_FULL)
1462 bmcr |= BMCR_FULLDPLX;
1463 }
1464 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1465}
1466
1467static void
1468bnx2_disable_forced_2g5(struct bnx2 *bp)
1469{
cbd6890c
MC		 1470 u32 uninitialized_var(bmcr);
1471 int err;
605a9e20 1472
583c28e5 1473 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
605a9e20
MC		 1474 return;
1475
27a005b8
MC		 1476 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1477 u32 val;
1478
1479 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1480 MII_BNX2_BLK_ADDR_SERDES_DIG);
cbd6890c
MC		 1481 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1482 val &= ~MII_BNX2_SD_MISC1_FORCE;
1483 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1484 }
27a005b8
MC		 1485
1486 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1487 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
cbd6890c 1488 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
27a005b8
MC		 1489
1490 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
cbd6890c
MC		 1491 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1492 if (!err)
1493 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
c7079857
ED		 1494 } else {
1495 return;
605a9e20
MC		 1496 }
1497
cbd6890c
MC		 1498 if (err)
1499 return;
1500
605a9e20
MC		 1501 if (bp->autoneg & AUTONEG_SPEED)
1502 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1503 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1504}
1505
b2fadeae
MC		 1506static void
1507bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1508{
1509 u32 val;
1510
1511 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1512 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1513 if (start)
1514 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1515 else
1516 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1517}
1518
b6016b76
MC		 1519static int
1520bnx2_set_link(struct bnx2 *bp)
1521{
1522 u32 bmsr;
1523 u8 link_up;
1524
80be4434 1525 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
b6016b76
MC		 1526 bp->link_up = 1;
1527 return 0;
1528 }
1529
583c28e5 1530 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC		 1531 return 0;
1532
b6016b76
MC		 1533 link_up = bp->link_up;
1534
27a005b8
MC		 1535 bnx2_enable_bmsr1(bp);
1536 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1537 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1538 bnx2_disable_bmsr1(bp);
b6016b76 1539
583c28e5 1540 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
b6016b76 1541 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
a2724e25 1542 u32 val, an_dbg;
b6016b76 1543
583c28e5 1544 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
b2fadeae 1545 bnx2_5706s_force_link_dn(bp, 0);
583c28e5 1546 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
b2fadeae 1547 }
b6016b76 1548 val = REG_RD(bp, BNX2_EMAC_STATUS);
a2724e25
MC		 1549
1550 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1551 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1552 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1553
1554 if ((val & BNX2_EMAC_STATUS_LINK) &&
1555 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
b6016b76
MC		 1556 bmsr |= BMSR_LSTATUS;
1557 else
1558 bmsr &= ~BMSR_LSTATUS;
1559 }
1560
1561 if (bmsr & BMSR_LSTATUS) {
1562 bp->link_up = 1;
1563
583c28e5 1564 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5b0c76ad
MC		 1565 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1566 bnx2_5706s_linkup(bp);
1567 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1568 bnx2_5708s_linkup(bp);
27a005b8
MC		 1569 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1570 bnx2_5709s_linkup(bp);
b6016b76
MC		 1571 }
1572 else {
1573 bnx2_copper_linkup(bp);
1574 }
1575 bnx2_resolve_flow_ctrl(bp);
1576 }
1577 else {
583c28e5 1578 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
605a9e20
MC		 1579 (bp->autoneg & AUTONEG_SPEED))
1580 bnx2_disable_forced_2g5(bp);
b6016b76 1581
583c28e5 1582 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
b2fadeae
MC		 1583 u32 bmcr;
1584
1585 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1586 bmcr |= BMCR_ANENABLE;
1587 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1588
583c28e5 1589 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
b2fadeae 1590 }
b6016b76
MC		 1591 bp->link_up = 0;
1592 }
1593
1594 if (bp->link_up != link_up) {
1595 bnx2_report_link(bp);
1596 }
1597
1598 bnx2_set_mac_link(bp);
1599
1600 return 0;
1601}
1602
1603static int
1604bnx2_reset_phy(struct bnx2 *bp)
1605{
1606 int i;
1607 u32 reg;
1608
ca58c3af 1609 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
b6016b76
MC		 1610
1611#define PHY_RESET_MAX_WAIT 100
1612 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1613 udelay(10);
1614
ca58c3af 1615 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
b6016b76
MC		 1616 if (!(reg & BMCR_RESET)) {
1617 udelay(20);
1618 break;
1619 }
1620 }
1621 if (i == PHY_RESET_MAX_WAIT) {
1622 return -EBUSY;
1623 }
1624 return 0;
1625}
1626
1627static u32
1628bnx2_phy_get_pause_adv(struct bnx2 *bp)
1629{
1630 u32 adv = 0;
1631
1632 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1633 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1634
583c28e5 1635 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC		 1636 adv = ADVERTISE_1000XPAUSE;
1637 }
1638 else {
1639 adv = ADVERTISE_PAUSE_CAP;
1640 }
1641 }
1642 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
583c28e5 1643 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC		 1644 adv = ADVERTISE_1000XPSE_ASYM;
1645 }
1646 else {
1647 adv = ADVERTISE_PAUSE_ASYM;
1648 }
1649 }
1650 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
583c28e5 1651 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
b6016b76
MC		 1652 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1653 }
1654 else {
1655 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1656 }
1657 }
1658 return adv;
1659}
1660
a2f13890 1661static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
0d8a6571 1662
b6016b76 1663static int
0d8a6571 1664bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
52d07b1f
HH		 1665__releases(&bp->phy_lock)
1666__acquires(&bp->phy_lock)
0d8a6571
MC		 1667{
1668 u32 speed_arg = 0, pause_adv;
1669
1670 pause_adv = bnx2_phy_get_pause_adv(bp);
1671
1672 if (bp->autoneg & AUTONEG_SPEED) {
1673 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1674 if (bp->advertising & ADVERTISED_10baseT_Half)
1675 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1676 if (bp->advertising & ADVERTISED_10baseT_Full)
1677 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1678 if (bp->advertising & ADVERTISED_100baseT_Half)
1679 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1680 if (bp->advertising & ADVERTISED_100baseT_Full)
1681 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1682 if (bp->advertising & ADVERTISED_1000baseT_Full)
1683 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1684 if (bp->advertising & ADVERTISED_2500baseX_Full)
1685 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1686 } else {
1687 if (bp->req_line_speed == SPEED_2500)
1688 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1689 else if (bp->req_line_speed == SPEED_1000)
1690 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1691 else if (bp->req_line_speed == SPEED_100) {
1692 if (bp->req_duplex == DUPLEX_FULL)
1693 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1694 else
1695 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1696 } else if (bp->req_line_speed == SPEED_10) {
1697 if (bp->req_duplex == DUPLEX_FULL)
1698 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1699 else
1700 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1701 }
1702 }
1703
1704 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1705 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
c26736ec 1706 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
0d8a6571
MC		 1707 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1708
1709 if (port == PORT_TP)
1710 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1711 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1712
2726d6e1 1713 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
0d8a6571
MC		 1714
1715 spin_unlock_bh(&bp->phy_lock);
a2f13890 1716 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
0d8a6571
MC		 1717 spin_lock_bh(&bp->phy_lock);
1718
1719 return 0;
1720}
1721
1722static int
1723bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
52d07b1f
HH		 1724__releases(&bp->phy_lock)
1725__acquires(&bp->phy_lock)
b6016b76 1726{
605a9e20 1727 u32 adv, bmcr;
b6016b76
MC		 1728 u32 new_adv = 0;
1729
583c28e5 1730 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
807540ba 1731 return bnx2_setup_remote_phy(bp, port);
0d8a6571 1732
b6016b76
MC		 1733 if (!(bp->autoneg & AUTONEG_SPEED)) {
1734 u32 new_bmcr;
5b0c76ad
MC		 1735 int force_link_down = 0;
1736
605a9e20
MC		 1737 if (bp->req_line_speed == SPEED_2500) {
1738 if (!bnx2_test_and_enable_2g5(bp))
1739 force_link_down = 1;
1740 } else if (bp->req_line_speed == SPEED_1000) {
1741 if (bnx2_test_and_disable_2g5(bp))
1742 force_link_down = 1;
1743 }
ca58c3af 1744 bnx2_read_phy(bp, bp->mii_adv, &adv);
80be4434
MC		 1745 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1746
ca58c3af 1747 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
605a9e20 1748 new_bmcr = bmcr & ~BMCR_ANENABLE;
80be4434 1749 new_bmcr |= BMCR_SPEED1000;
605a9e20 1750
27a005b8
MC		 1751 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1752 if (bp->req_line_speed == SPEED_2500)
1753 bnx2_enable_forced_2g5(bp);
1754 else if (bp->req_line_speed == SPEED_1000) {
1755 bnx2_disable_forced_2g5(bp);
1756 new_bmcr &= ~0x2000;
1757 }
1758
1759 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
605a9e20
MC		 1760 if (bp->req_line_speed == SPEED_2500)
1761 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1762 else
1763 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
5b0c76ad
MC		 1764 }
1765
b6016b76 1766 if (bp->req_duplex == DUPLEX_FULL) {
5b0c76ad 1767 adv |= ADVERTISE_1000XFULL;
b6016b76
MC		 1768 new_bmcr |= BMCR_FULLDPLX;
1769 }
1770 else {
5b0c76ad 1771 adv |= ADVERTISE_1000XHALF;
b6016b76
MC		 1772 new_bmcr &= ~BMCR_FULLDPLX;
1773 }
5b0c76ad 1774 if ((new_bmcr != bmcr) || (force_link_down)) {
b6016b76
MC		 1775 /* Force a link down visible on the other side */
1776 if (bp->link_up) {
ca58c3af 1777 bnx2_write_phy(bp, bp->mii_adv, adv &
5b0c76ad
MC		 1778 ~(ADVERTISE_1000XFULL |
1779 ADVERTISE_1000XHALF));
ca58c3af 1780 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
b6016b76
MC		 1781 BMCR_ANRESTART | BMCR_ANENABLE);
1782
1783 bp->link_up = 0;
1784 netif_carrier_off(bp->dev);
ca58c3af 1785 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
80be4434 1786 bnx2_report_link(bp);
b6016b76 1787 }
ca58c3af
MC		 1788 bnx2_write_phy(bp, bp->mii_adv, adv);
1789 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
605a9e20
MC		 1790 } else {
1791 bnx2_resolve_flow_ctrl(bp);
1792 bnx2_set_mac_link(bp);
b6016b76
MC		 1793 }
1794 return 0;
1795 }
1796
605a9e20 1797 bnx2_test_and_enable_2g5(bp);
5b0c76ad 1798
b6016b76
MC		 1799 if (bp->advertising & ADVERTISED_1000baseT_Full)
1800 new_adv |= ADVERTISE_1000XFULL;
1801
1802 new_adv |= bnx2_phy_get_pause_adv(bp);
1803
ca58c3af
MC		 1804 bnx2_read_phy(bp, bp->mii_adv, &adv);
1805 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC		 1806
1807 bp->serdes_an_pending = 0;
1808 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1809 /* Force a link down visible on the other side */
1810 if (bp->link_up) {
ca58c3af 1811 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
80be4434
MC		 1812 spin_unlock_bh(&bp->phy_lock);
1813 msleep(20);
1814 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 1815 }
1816
ca58c3af
MC		 1817 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1818 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
b6016b76 1819 BMCR_ANENABLE);
f8dd064e
MC		 1820 /* Speed up link-up time when the link partner
1821 * does not autonegotiate which is very common
1822 * in blade servers. Some blade servers use
1823 * IPMI for kerboard input and it's important
1824 * to minimize link disruptions. Autoneg. involves
1825 * exchanging base pages plus 3 next pages and
1826 * normally completes in about 120 msec.
1827 */
40105c0b 1828 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
f8dd064e
MC		 1829 bp->serdes_an_pending = 1;
1830 mod_timer(&bp->timer, jiffies + bp->current_interval);
605a9e20
MC		 1831 } else {
1832 bnx2_resolve_flow_ctrl(bp);
1833 bnx2_set_mac_link(bp);
b6016b76
MC		 1834 }
1835
1836 return 0;
1837}
1838
1839#define ETHTOOL_ALL_FIBRE_SPEED \
583c28e5 1840 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
deaf391b
MC		 1841 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1842 (ADVERTISED_1000baseT_Full)
b6016b76
MC		 1843
1844#define ETHTOOL_ALL_COPPER_SPEED \
1845 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1846 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1847 ADVERTISED_1000baseT_Full)
1848
1849#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1850 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
6aa20a22 1851
b6016b76
MC		 1852#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1853
0d8a6571
MC		 1854static void
1855bnx2_set_default_remote_link(struct bnx2 *bp)
1856{
1857 u32 link;
1858
1859 if (bp->phy_port == PORT_TP)
2726d6e1 1860 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
0d8a6571 1861 else
2726d6e1 1862 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
0d8a6571
MC		 1863
1864 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1865 bp->req_line_speed = 0;
1866 bp->autoneg |= AUTONEG_SPEED;
1867 bp->advertising = ADVERTISED_Autoneg;
1868 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1869 bp->advertising |= ADVERTISED_10baseT_Half;
1870 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1871 bp->advertising |= ADVERTISED_10baseT_Full;
1872 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1873 bp->advertising |= ADVERTISED_100baseT_Half;
1874 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1875 bp->advertising |= ADVERTISED_100baseT_Full;
1876 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1877 bp->advertising |= ADVERTISED_1000baseT_Full;
1878 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1879 bp->advertising |= ADVERTISED_2500baseX_Full;
1880 } else {
1881 bp->autoneg = 0;
1882 bp->advertising = 0;
1883 bp->req_duplex = DUPLEX_FULL;
1884 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1885 bp->req_line_speed = SPEED_10;
1886 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1887 bp->req_duplex = DUPLEX_HALF;
1888 }
1889 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1890 bp->req_line_speed = SPEED_100;
1891 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1892 bp->req_duplex = DUPLEX_HALF;
1893 }
1894 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1895 bp->req_line_speed = SPEED_1000;
1896 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1897 bp->req_line_speed = SPEED_2500;
1898 }
1899}
1900
deaf391b
MC		 1901static void
1902bnx2_set_default_link(struct bnx2 *bp)
1903{
ab59859d
HH		 1904 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1905 bnx2_set_default_remote_link(bp);
1906 return;
1907 }
0d8a6571 1908
deaf391b
MC		 1909 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1910 bp->req_line_speed = 0;
583c28e5 1911 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
deaf391b
MC		 1912 u32 reg;
1913
1914 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1915
2726d6e1 1916 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
deaf391b
MC		 1917 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1918 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1919 bp->autoneg = 0;
1920 bp->req_line_speed = bp->line_speed = SPEED_1000;
1921 bp->req_duplex = DUPLEX_FULL;
1922 }
1923 } else
1924 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1925}
1926
df149d70
MC		 1927static void
1928bnx2_send_heart_beat(struct bnx2 *bp)
1929{
1930 u32 msg;
1931 u32 addr;
1932
1933 spin_lock(&bp->indirect_lock);
1934 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1935 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1936 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1937 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1938 spin_unlock(&bp->indirect_lock);
1939}
1940
0d8a6571
MC		 1941static void
1942bnx2_remote_phy_event(struct bnx2 *bp)
1943{
1944 u32 msg;
1945 u8 link_up = bp->link_up;
1946 u8 old_port;
1947
2726d6e1 1948 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
0d8a6571 1949
df149d70
MC		 1950 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1951 bnx2_send_heart_beat(bp);
1952
1953 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1954
0d8a6571
MC		 1955 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1956 bp->link_up = 0;
1957 else {
1958 u32 speed;
1959
1960 bp->link_up = 1;
1961 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1962 bp->duplex = DUPLEX_FULL;
1963 switch (speed) {
1964 case BNX2_LINK_STATUS_10HALF:
1965 bp->duplex = DUPLEX_HALF;
1966 case BNX2_LINK_STATUS_10FULL:
1967 bp->line_speed = SPEED_10;
1968 break;
1969 case BNX2_LINK_STATUS_100HALF:
1970 bp->duplex = DUPLEX_HALF;
1971 case BNX2_LINK_STATUS_100BASE_T4:
1972 case BNX2_LINK_STATUS_100FULL:
1973 bp->line_speed = SPEED_100;
1974 break;
1975 case BNX2_LINK_STATUS_1000HALF:
1976 bp->duplex = DUPLEX_HALF;
1977 case BNX2_LINK_STATUS_1000FULL:
1978 bp->line_speed = SPEED_1000;
1979 break;
1980 case BNX2_LINK_STATUS_2500HALF:
1981 bp->duplex = DUPLEX_HALF;
1982 case BNX2_LINK_STATUS_2500FULL:
1983 bp->line_speed = SPEED_2500;
1984 break;
1985 default:
1986 bp->line_speed = 0;
1987 break;
1988 }
1989
0d8a6571
MC		 1990 bp->flow_ctrl = 0;
1991 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1992 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1993 if (bp->duplex == DUPLEX_FULL)
1994 bp->flow_ctrl = bp->req_flow_ctrl;
1995 } else {
1996 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1997 bp->flow_ctrl |= FLOW_CTRL_TX;
1998 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1999 bp->flow_ctrl |= FLOW_CTRL_RX;
2000 }
2001
2002 old_port = bp->phy_port;
2003 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2004 bp->phy_port = PORT_FIBRE;
2005 else
2006 bp->phy_port = PORT_TP;
2007
2008 if (old_port != bp->phy_port)
2009 bnx2_set_default_link(bp);
2010
0d8a6571
MC		 2011 }
2012 if (bp->link_up != link_up)
2013 bnx2_report_link(bp);
2014
2015 bnx2_set_mac_link(bp);
2016}
2017
2018static int
2019bnx2_set_remote_link(struct bnx2 *bp)
2020{
2021 u32 evt_code;
2022
2726d6e1 2023 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
0d8a6571
MC		 2024 switch (evt_code) {
2025 case BNX2_FW_EVT_CODE_LINK_EVENT:
2026 bnx2_remote_phy_event(bp);
2027 break;
2028 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2029 default:
df149d70 2030 bnx2_send_heart_beat(bp);
0d8a6571
MC		 2031 break;
2032 }
2033 return 0;
2034}
2035
b6016b76
MC		 2036static int
2037bnx2_setup_copper_phy(struct bnx2 *bp)
52d07b1f
HH		 2038__releases(&bp->phy_lock)
2039__acquires(&bp->phy_lock)
b6016b76
MC		 2040{
2041 u32 bmcr;
2042 u32 new_bmcr;
2043
ca58c3af 2044 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76
MC		 2045
2046 if (bp->autoneg & AUTONEG_SPEED) {
2047 u32 adv_reg, adv1000_reg;
2048 u32 new_adv_reg = 0;
2049 u32 new_adv1000_reg = 0;
2050
ca58c3af 2051 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
b6016b76
MC		 2052 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2053 ADVERTISE_PAUSE_ASYM);
2054
2055 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2056 adv1000_reg &= PHY_ALL_1000_SPEED;
2057
2058 if (bp->advertising & ADVERTISED_10baseT_Half)
2059 new_adv_reg |= ADVERTISE_10HALF;
2060 if (bp->advertising & ADVERTISED_10baseT_Full)
2061 new_adv_reg |= ADVERTISE_10FULL;
2062 if (bp->advertising & ADVERTISED_100baseT_Half)
2063 new_adv_reg |= ADVERTISE_100HALF;
2064 if (bp->advertising & ADVERTISED_100baseT_Full)
2065 new_adv_reg |= ADVERTISE_100FULL;
2066 if (bp->advertising & ADVERTISED_1000baseT_Full)
2067 new_adv1000_reg |= ADVERTISE_1000FULL;
6aa20a22 2068
b6016b76
MC		 2069 new_adv_reg |= ADVERTISE_CSMA;
2070
2071 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
2072
2073 if ((adv1000_reg != new_adv1000_reg) ||
2074 (adv_reg != new_adv_reg) ||
2075 ((bmcr & BMCR_ANENABLE) == 0)) {
2076
ca58c3af 2077 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
b6016b76 2078 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
ca58c3af 2079 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
b6016b76
MC		 2080 BMCR_ANENABLE);
2081 }
2082 else if (bp->link_up) {
2083 /* Flow ctrl may have changed from auto to forced */
2084 /* or vice-versa. */
2085
2086 bnx2_resolve_flow_ctrl(bp);
2087 bnx2_set_mac_link(bp);
2088 }
2089 return 0;
2090 }
2091
2092 new_bmcr = 0;
2093 if (bp->req_line_speed == SPEED_100) {
2094 new_bmcr |= BMCR_SPEED100;
2095 }
2096 if (bp->req_duplex == DUPLEX_FULL) {
2097 new_bmcr |= BMCR_FULLDPLX;
2098 }
2099 if (new_bmcr != bmcr) {
2100 u32 bmsr;
b6016b76 2101
ca58c3af
MC		 2102 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2103 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
6aa20a22 2104
b6016b76
MC		 2105 if (bmsr & BMSR_LSTATUS) {
2106 /* Force link down */
ca58c3af 2107 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
a16dda0e
MC		 2108 spin_unlock_bh(&bp->phy_lock);
2109 msleep(50);
2110 spin_lock_bh(&bp->phy_lock);
2111
ca58c3af
MC		 2112 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2113 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
b6016b76
MC		 2114 }
2115
ca58c3af 2116 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
b6016b76
MC		 2117
2118 /* Normally, the new speed is setup after the link has
2119 * gone down and up again. In some cases, link will not go
2120 * down so we need to set up the new speed here.
2121 */
2122 if (bmsr & BMSR_LSTATUS) {
2123 bp->line_speed = bp->req_line_speed;
2124 bp->duplex = bp->req_duplex;
2125 bnx2_resolve_flow_ctrl(bp);
2126 bnx2_set_mac_link(bp);
2127 }
27a005b8
MC		 2128 } else {
2129 bnx2_resolve_flow_ctrl(bp);
2130 bnx2_set_mac_link(bp);
b6016b76
MC		 2131 }
2132 return 0;
2133}
2134
2135static int
0d8a6571 2136bnx2_setup_phy(struct bnx2 *bp, u8 port)
52d07b1f
HH		 2137__releases(&bp->phy_lock)
2138__acquires(&bp->phy_lock)
b6016b76
MC		 2139{
2140 if (bp->loopback == MAC_LOOPBACK)
2141 return 0;
2142
583c28e5 2143 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
807540ba 2144 return bnx2_setup_serdes_phy(bp, port);
b6016b76
MC		 2145 }
2146 else {
807540ba 2147 return bnx2_setup_copper_phy(bp);
b6016b76
MC		 2148 }
2149}
2150
27a005b8 2151static int
9a120bc5 2152bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
27a005b8
MC		 2153{
2154 u32 val;
2155
2156 bp->mii_bmcr = MII_BMCR + 0x10;
2157 bp->mii_bmsr = MII_BMSR + 0x10;
2158 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2159 bp->mii_adv = MII_ADVERTISE + 0x10;
2160 bp->mii_lpa = MII_LPA + 0x10;
2161 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2162
2163 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2164 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2165
2166 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
9a120bc5
MC		 2167 if (reset_phy)
2168 bnx2_reset_phy(bp);
27a005b8
MC		 2169
2170 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2171
2172 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2173 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2174 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2175 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2176
2177 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2178 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
583c28e5 2179 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
27a005b8
MC		 2180 val |= BCM5708S_UP1_2G5;
2181 else
2182 val &= ~BCM5708S_UP1_2G5;
2183 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2184
2185 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2186 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2187 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2188 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2189
2190 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2191
2192 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2193 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2194 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2195
2196 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2197
2198 return 0;
2199}
2200
b6016b76 2201static int
9a120bc5 2202bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
5b0c76ad
MC		 2203{
2204 u32 val;
2205
9a120bc5
MC		 2206 if (reset_phy)
2207 bnx2_reset_phy(bp);
27a005b8
MC		 2208
2209 bp->mii_up1 = BCM5708S_UP1;
2210
5b0c76ad
MC		 2211 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2212 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2213 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2214
2215 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2216 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2217 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2218
2219 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2220 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2221 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2222
583c28e5 2223 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
5b0c76ad
MC		 2224 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2225 val |= BCM5708S_UP1_2G5;
2226 bnx2_write_phy(bp, BCM5708S_UP1, val);
2227 }
2228
2229 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
dda1e390
MC		 2230 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2231 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
5b0c76ad
MC		 2232 /* increase tx signal amplitude */
2233 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2234 BCM5708S_BLK_ADDR_TX_MISC);
2235 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2236 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2237 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2238 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2239 }
2240
2726d6e1 2241 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
5b0c76ad
MC		 2242 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2243
2244 if (val) {
2245 u32 is_backplane;
2246
2726d6e1 2247 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
5b0c76ad
MC		 2248 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2249 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2250 BCM5708S_BLK_ADDR_TX_MISC);
2251 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2252 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2253 BCM5708S_BLK_ADDR_DIG);
2254 }
2255 }
2256 return 0;
2257}
2258
2259static int
9a120bc5 2260bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
b6016b76 2261{
9a120bc5
MC		 2262 if (reset_phy)
2263 bnx2_reset_phy(bp);
27a005b8 2264
583c28e5 2265 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
b6016b76 2266
59b47d8a
MC		 2267 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2268 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
b6016b76
MC		 2269
2270 if (bp->dev->mtu > 1500) {
2271 u32 val;
2272
2273 /* Set extended packet length bit */
2274 bnx2_write_phy(bp, 0x18, 0x7);
2275 bnx2_read_phy(bp, 0x18, &val);
2276 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2277
2278 bnx2_write_phy(bp, 0x1c, 0x6c00);
2279 bnx2_read_phy(bp, 0x1c, &val);
2280 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2281 }
2282 else {
2283 u32 val;
2284
2285 bnx2_write_phy(bp, 0x18, 0x7);
2286 bnx2_read_phy(bp, 0x18, &val);
2287 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2288
2289 bnx2_write_phy(bp, 0x1c, 0x6c00);
2290 bnx2_read_phy(bp, 0x1c, &val);
2291 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2292 }
2293
2294 return 0;
2295}
2296
2297static int
9a120bc5 2298bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
b6016b76 2299{
5b0c76ad
MC		 2300 u32 val;
2301
9a120bc5
MC		 2302 if (reset_phy)
2303 bnx2_reset_phy(bp);
27a005b8 2304
583c28e5 2305 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
b6016b76
MC		 2306 bnx2_write_phy(bp, 0x18, 0x0c00);
2307 bnx2_write_phy(bp, 0x17, 0x000a);
2308 bnx2_write_phy(bp, 0x15, 0x310b);
2309 bnx2_write_phy(bp, 0x17, 0x201f);
2310 bnx2_write_phy(bp, 0x15, 0x9506);
2311 bnx2_write_phy(bp, 0x17, 0x401f);
2312 bnx2_write_phy(bp, 0x15, 0x14e2);
2313 bnx2_write_phy(bp, 0x18, 0x0400);
2314 }
2315
583c28e5 2316 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
b659f44e
MC		 2317 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2318 MII_BNX2_DSP_EXPAND_REG | 0x8);
2319 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2320 val &= ~(1 << 8);
2321 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2322 }
2323
b6016b76 2324 if (bp->dev->mtu > 1500) {
b6016b76
MC		 2325 /* Set extended packet length bit */
2326 bnx2_write_phy(bp, 0x18, 0x7);
2327 bnx2_read_phy(bp, 0x18, &val);
2328 bnx2_write_phy(bp, 0x18, val | 0x4000);
2329
2330 bnx2_read_phy(bp, 0x10, &val);
2331 bnx2_write_phy(bp, 0x10, val | 0x1);
2332 }
2333 else {
b6016b76
MC		 2334 bnx2_write_phy(bp, 0x18, 0x7);
2335 bnx2_read_phy(bp, 0x18, &val);
2336 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2337
2338 bnx2_read_phy(bp, 0x10, &val);
2339 bnx2_write_phy(bp, 0x10, val & ~0x1);
2340 }
2341
5b0c76ad
MC		 2342 /* ethernet@wirespeed */
2343 bnx2_write_phy(bp, 0x18, 0x7007);
2344 bnx2_read_phy(bp, 0x18, &val);
2345 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
b6016b76
MC		 2346 return 0;
2347}
2348
2349
2350static int
9a120bc5 2351bnx2_init_phy(struct bnx2 *bp, int reset_phy)
52d07b1f
HH		 2352__releases(&bp->phy_lock)
2353__acquires(&bp->phy_lock)
b6016b76
MC		 2354{
2355 u32 val;
2356 int rc = 0;
2357
583c28e5
MC		 2358 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2359 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
b6016b76 2360
ca58c3af
MC		 2361 bp->mii_bmcr = MII_BMCR;
2362 bp->mii_bmsr = MII_BMSR;
27a005b8 2363 bp->mii_bmsr1 = MII_BMSR;
ca58c3af
MC		 2364 bp->mii_adv = MII_ADVERTISE;
2365 bp->mii_lpa = MII_LPA;
2366
b6016b76
MC		 2367 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2368
583c28e5 2369 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC		 2370 goto setup_phy;
2371
b6016b76
MC		 2372 bnx2_read_phy(bp, MII_PHYSID1, &val);
2373 bp->phy_id = val << 16;
2374 bnx2_read_phy(bp, MII_PHYSID2, &val);
2375 bp->phy_id |= val & 0xffff;
2376
583c28e5 2377 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5b0c76ad 2378 if (CHIP_NUM(bp) == CHIP_NUM_5706)
9a120bc5 2379 rc = bnx2_init_5706s_phy(bp, reset_phy);
5b0c76ad 2380 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
9a120bc5 2381 rc = bnx2_init_5708s_phy(bp, reset_phy);
27a005b8 2382 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
9a120bc5 2383 rc = bnx2_init_5709s_phy(bp, reset_phy);
b6016b76
MC		 2384 }
2385 else {
9a120bc5 2386 rc = bnx2_init_copper_phy(bp, reset_phy);
b6016b76
MC		 2387 }
2388
0d8a6571
MC		 2389setup_phy:
2390 if (!rc)
2391 rc = bnx2_setup_phy(bp, bp->phy_port);
b6016b76
MC		 2392
2393 return rc;
2394}
2395
2396static int
2397bnx2_set_mac_loopback(struct bnx2 *bp)
2398{
2399 u32 mac_mode;
2400
2401 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2402 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2403 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2404 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2405 bp->link_up = 1;
2406 return 0;
2407}
2408
bc5a0690
MC		 2409static int bnx2_test_link(struct bnx2 *);
2410
2411static int
2412bnx2_set_phy_loopback(struct bnx2 *bp)
2413{
2414 u32 mac_mode;
2415 int rc, i;
2416
2417 spin_lock_bh(&bp->phy_lock);
ca58c3af 2418 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
bc5a0690
MC		 2419 BMCR_SPEED1000);
2420 spin_unlock_bh(&bp->phy_lock);
2421 if (rc)
2422 return rc;
2423
2424 for (i = 0; i < 10; i++) {
2425 if (bnx2_test_link(bp) == 0)
2426 break;
80be4434 2427 msleep(100);
bc5a0690
MC		 2428 }
2429
2430 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2431 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2432 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
59b47d8a 2433 BNX2_EMAC_MODE_25G_MODE);
bc5a0690
MC		 2434
2435 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2436 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2437 bp->link_up = 1;
2438 return 0;
2439}
2440
b6016b76 2441static int
a2f13890 2442bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
b6016b76
MC		 2443{
2444 int i;
2445 u32 val;
2446
b6016b76
MC		 2447 bp->fw_wr_seq++;
2448 msg_data |= bp->fw_wr_seq;
2449
2726d6e1 2450 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
b6016b76 2451
a2f13890
MC		 2452 if (!ack)
2453 return 0;
2454
b6016b76 2455 /* wait for an acknowledgement. */
40105c0b 2456 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
b090ae2b 2457 msleep(10);
b6016b76 2458
2726d6e1 2459 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
b6016b76
MC		 2460
2461 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2462 break;
2463 }
b090ae2b
MC		 2464 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2465 return 0;
b6016b76
MC		 2466
2467 /* If we timed out, inform the firmware that this is the case. */
b090ae2b
MC		 2468 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2469 if (!silent)
3a9c6a49 2470 pr_err("fw sync timeout, reset code = %x\n", msg_data);
b6016b76
MC		 2471
2472 msg_data &= ~BNX2_DRV_MSG_CODE;
2473 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2474
2726d6e1 2475 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
b6016b76 2476
b6016b76
MC		 2477 return -EBUSY;
2478 }
2479
b090ae2b
MC		 2480 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2481 return -EIO;
2482
b6016b76
MC		 2483 return 0;
2484}
2485
59b47d8a
MC		 2486static int
2487bnx2_init_5709_context(struct bnx2 *bp)
2488{
2489 int i, ret = 0;
2490 u32 val;
2491
2492 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2493 val |= (BCM_PAGE_BITS - 8) << 16;
2494 REG_WR(bp, BNX2_CTX_COMMAND, val);
641bdcd5
MC		 2495 for (i = 0; i < 10; i++) {
2496 val = REG_RD(bp, BNX2_CTX_COMMAND);
2497 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2498 break;
2499 udelay(2);
2500 }
2501 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2502 return -EBUSY;
2503
59b47d8a
MC		 2504 for (i = 0; i < bp->ctx_pages; i++) {
2505 int j;
2506
352f7687
MC		 2507 if (bp->ctx_blk[i])
2508 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2509 else
2510 return -ENOMEM;
2511
59b47d8a
MC		 2512 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2513 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2514 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2515 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2516 (u64) bp->ctx_blk_mapping[i] >> 32);
2517 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2518 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2519 for (j = 0; j < 10; j++) {
2520
2521 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2522 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2523 break;
2524 udelay(5);
2525 }
2526 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2527 ret = -EBUSY;
2528 break;
2529 }
2530 }
2531 return ret;
2532}
2533
b6016b76
MC		 2534static void
2535bnx2_init_context(struct bnx2 *bp)
2536{
2537 u32 vcid;
2538
2539 vcid = 96;
2540 while (vcid) {
2541 u32 vcid_addr, pcid_addr, offset;
7947b20e 2542 int i;
b6016b76
MC		 2543
2544 vcid--;
2545
2546 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2547 u32 new_vcid;
2548
2549 vcid_addr = GET_PCID_ADDR(vcid);
2550 if (vcid & 0x8) {
2551 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2552 }
2553 else {
2554 new_vcid = vcid;
2555 }
2556 pcid_addr = GET_PCID_ADDR(new_vcid);
2557 }
2558 else {
2559 vcid_addr = GET_CID_ADDR(vcid);
2560 pcid_addr = vcid_addr;
2561 }
2562
7947b20e
MC		 2563 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2564 vcid_addr += (i << PHY_CTX_SHIFT);
2565 pcid_addr += (i << PHY_CTX_SHIFT);
b6016b76 2566
5d5d0015 2567 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
7947b20e 2568 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
b6016b76 2569
7947b20e
MC		 2570 /* Zero out the context. */
2571 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
62a8313c 2572 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
7947b20e 2573 }
b6016b76
MC		 2574 }
2575}
2576
2577static int
2578bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2579{
2580 u16 *good_mbuf;
2581 u32 good_mbuf_cnt;
2582 u32 val;
2583
2584 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2585 if (good_mbuf == NULL) {
3a9c6a49 2586 pr_err("Failed to allocate memory in %s\n", __func__);
b6016b76
MC		 2587 return -ENOMEM;
2588 }
2589
2590 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2591 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2592
2593 good_mbuf_cnt = 0;
2594
2595 /* Allocate a bunch of mbufs and save the good ones in an array. */
2726d6e1 2596 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
b6016b76 2597 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2726d6e1
MC		 2598 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2599 BNX2_RBUF_COMMAND_ALLOC_REQ);
b6016b76 2600
2726d6e1 2601 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
b6016b76
MC		 2602
2603 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2604
2605 /* The addresses with Bit 9 set are bad memory blocks. */
2606 if (!(val & (1 << 9))) {
2607 good_mbuf[good_mbuf_cnt] = (u16) val;
2608 good_mbuf_cnt++;
2609 }
2610
2726d6e1 2611 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
b6016b76
MC		 2612 }
2613
2614 /* Free the good ones back to the mbuf pool thus discarding
2615 * all the bad ones. */
2616 while (good_mbuf_cnt) {
2617 good_mbuf_cnt--;
2618
2619 val = good_mbuf[good_mbuf_cnt];
2620 val = (val << 9) | val | 1;
2621
2726d6e1 2622 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
b6016b76
MC		 2623 }
2624 kfree(good_mbuf);
2625 return 0;
2626}
2627
2628static void
5fcaed01 2629bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
b6016b76
MC		 2630{
2631 u32 val;
b6016b76
MC		 2632
2633 val = (mac_addr[0] << 8) | mac_addr[1];
2634
5fcaed01 2635 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
b6016b76 2636
6aa20a22 2637 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
b6016b76
MC		 2638 (mac_addr[4] << 8) | mac_addr[5];
2639
5fcaed01 2640 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
b6016b76
MC		 2641}
2642
47bf4246 2643static inline int
a2df00aa 2644bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
47bf4246
MC		 2645{
2646 dma_addr_t mapping;
bb4f98ab 2647 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
47bf4246 2648 struct rx_bd *rxbd =
bb4f98ab 2649 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
a2df00aa 2650 struct page *page = alloc_page(gfp);
47bf4246
MC		 2651
2652 if (!page)
2653 return -ENOMEM;
36227e88 2654 mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
47bf4246 2655 PCI_DMA_FROMDEVICE);
36227e88 2656 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
3d16af86
BL		 2657 __free_page(page);
2658 return -EIO;
2659 }
2660
47bf4246 2661 rx_pg->page = page;
1a4ccc2d 2662 dma_unmap_addr_set(rx_pg, mapping, mapping);
47bf4246
MC		 2663 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2664 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2665 return 0;
2666}
2667
2668static void
bb4f98ab 2669bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
47bf4246 2670{
bb4f98ab 2671 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
47bf4246
MC		 2672 struct page *page = rx_pg->page;
2673
2674 if (!page)
2675 return;
2676
36227e88
SG		 2677 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
2678 PAGE_SIZE, PCI_DMA_FROMDEVICE);
47bf4246
MC		 2679
2680 __free_page(page);
2681 rx_pg->page = NULL;
2682}
2683
b6016b76 2684static inline int
a2df00aa 2685bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
b6016b76
MC		 2686{
2687 struct sk_buff *skb;
bb4f98ab 2688 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
b6016b76 2689 dma_addr_t mapping;
bb4f98ab 2690 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
b6016b76
MC		 2691 unsigned long align;
2692
a2df00aa 2693 skb = __netdev_alloc_skb(bp->dev, bp->rx_buf_size, gfp);
b6016b76
MC		 2694 if (skb == NULL) {
2695 return -ENOMEM;
2696 }
2697
59b47d8a
MC		 2698 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2699 skb_reserve(skb, BNX2_RX_ALIGN - align);
b6016b76 2700
36227e88
SG		 2701 mapping = dma_map_single(&bp->pdev->dev, skb->data, bp->rx_buf_use_size,
2702 PCI_DMA_FROMDEVICE);
2703 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
3d16af86
BL		 2704 dev_kfree_skb(skb);
2705 return -EIO;
2706 }
b6016b76
MC		 2707
2708 rx_buf->skb = skb;
a33fa66b 2709 rx_buf->desc = (struct l2_fhdr *) skb->data;
1a4ccc2d 2710 dma_unmap_addr_set(rx_buf, mapping, mapping);
b6016b76
MC		 2711
2712 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2713 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2714
bb4f98ab 2715 rxr->rx_prod_bseq += bp->rx_buf_use_size;
b6016b76
MC		 2716
2717 return 0;
2718}
2719
da3e4fbe 2720static int
35efa7c1 2721bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
b6016b76 2722{
43e80b89 2723 struct status_block *sblk = bnapi->status_blk.msi;
b6016b76 2724 u32 new_link_state, old_link_state;
da3e4fbe 2725 int is_set = 1;
b6016b76 2726
da3e4fbe
MC		 2727 new_link_state = sblk->status_attn_bits & event;
2728 old_link_state = sblk->status_attn_bits_ack & event;
b6016b76 2729 if (new_link_state != old_link_state) {
da3e4fbe
MC		 2730 if (new_link_state)
2731 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2732 else
2733 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2734 } else
2735 is_set = 0;
2736
2737 return is_set;
2738}
2739
2740static void
35efa7c1 2741bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
da3e4fbe 2742{
74ecc62d
MC		 2743 spin_lock(&bp->phy_lock);
2744
2745 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
b6016b76 2746 bnx2_set_link(bp);
35efa7c1 2747 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
0d8a6571
MC		 2748 bnx2_set_remote_link(bp);
2749
74ecc62d
MC		 2750 spin_unlock(&bp->phy_lock);
2751
b6016b76
MC		 2752}
2753
ead7270b 2754static inline u16
35efa7c1 2755bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
ead7270b
MC		 2756{
2757 u16 cons;
2758
43e80b89
MC		 2759 /* Tell compiler that status block fields can change. */
2760 barrier();
2761 cons = *bnapi->hw_tx_cons_ptr;
581daf7e 2762 barrier();
ead7270b
MC		 2763 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2764 cons++;
2765 return cons;
2766}
2767
57851d84
MC		 2768static int
2769bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
b6016b76 2770{
35e9010b 2771 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
b6016b76 2772 u16 hw_cons, sw_cons, sw_ring_cons;
706bf240
BL		 2773 int tx_pkt = 0, index;
2774 struct netdev_queue *txq;
2775
2776 index = (bnapi - bp->bnx2_napi);
2777 txq = netdev_get_tx_queue(bp->dev, index);
b6016b76 2778
35efa7c1 2779 hw_cons = bnx2_get_hw_tx_cons(bnapi);
35e9010b 2780 sw_cons = txr->tx_cons;
b6016b76
MC		 2781
2782 while (sw_cons != hw_cons) {
3d16af86 2783 struct sw_tx_bd *tx_buf;
b6016b76
MC		 2784 struct sk_buff *skb;
2785 int i, last;
2786
2787 sw_ring_cons = TX_RING_IDX(sw_cons);
2788
35e9010b 2789 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
b6016b76 2790 skb = tx_buf->skb;
1d39ed56 2791
d62fda08
ED		 2792 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2793 prefetch(&skb->end);
2794
b6016b76 2795 /* partial BD completions possible with TSO packets */
d62fda08 2796 if (tx_buf->is_gso) {
b6016b76
MC		 2797 u16 last_idx, last_ring_idx;
2798
d62fda08
ED		 2799 last_idx = sw_cons + tx_buf->nr_frags + 1;
2800 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
b6016b76
MC		 2801 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2802 last_idx++;
2803 }
2804 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2805 break;
2806 }
2807 }
1d39ed56 2808
36227e88 2809 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
e95524a7 2810 skb_headlen(skb), PCI_DMA_TODEVICE);
b6016b76
MC		 2811
2812 tx_buf->skb = NULL;
d62fda08 2813 last = tx_buf->nr_frags;
b6016b76
MC		 2814
2815 for (i = 0; i < last; i++) {
2816 sw_cons = NEXT_TX_BD(sw_cons);
e95524a7 2817
36227e88 2818 dma_unmap_page(&bp->pdev->dev,
1a4ccc2d 2819 dma_unmap_addr(
e95524a7
AD		 2820 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
2821 mapping),
2822 skb_shinfo(skb)->frags[i].size,
2823 PCI_DMA_TODEVICE);
b6016b76
MC		 2824 }
2825
2826 sw_cons = NEXT_TX_BD(sw_cons);
2827
745720e5 2828 dev_kfree_skb(skb);
57851d84
MC		 2829 tx_pkt++;
2830 if (tx_pkt == budget)
2831 break;
b6016b76 2832
d62fda08
ED		 2833 if (hw_cons == sw_cons)
2834 hw_cons = bnx2_get_hw_tx_cons(bnapi);
b6016b76
MC		 2835 }
2836
35e9010b
MC		 2837 txr->hw_tx_cons = hw_cons;
2838 txr->tx_cons = sw_cons;
706bf240 2839
2f8af120 2840 /* Need to make the tx_cons update visible to bnx2_start_xmit()
706bf240 2841 * before checking for netif_tx_queue_stopped(). Without the
2f8af120
MC		 2842 * memory barrier, there is a small possibility that bnx2_start_xmit()
2843 * will miss it and cause the queue to be stopped forever.
2844 */
2845 smp_mb();
b6016b76 2846
706bf240 2847 if (unlikely(netif_tx_queue_stopped(txq)) &&
35e9010b 2848 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
706bf240
BL		 2849 __netif_tx_lock(txq, smp_processor_id());
2850 if ((netif_tx_queue_stopped(txq)) &&
35e9010b 2851 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
706bf240
BL		 2852 netif_tx_wake_queue(txq);
2853 __netif_tx_unlock(txq);
b6016b76 2854 }
706bf240 2855
57851d84 2856 return tx_pkt;
b6016b76
MC		 2857}
2858
1db82f2a 2859static void
bb4f98ab 2860bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
a1f60190 2861 struct sk_buff *skb, int count)
1db82f2a
MC		 2862{
2863 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2864 struct rx_bd *cons_bd, *prod_bd;
1db82f2a 2865 int i;
3d16af86 2866 u16 hw_prod, prod;
bb4f98ab 2867 u16 cons = rxr->rx_pg_cons;
1db82f2a 2868
3d16af86
BL		 2869 cons_rx_pg = &rxr->rx_pg_ring[cons];
2870
2871 /* The caller was unable to allocate a new page to replace the
2872 * last one in the frags array, so we need to recycle that page
2873 * and then free the skb.
2874 */
2875 if (skb) {
2876 struct page *page;
2877 struct skb_shared_info *shinfo;
2878
2879 shinfo = skb_shinfo(skb);
2880 shinfo->nr_frags--;
2881 page = shinfo->frags[shinfo->nr_frags].page;
2882 shinfo->frags[shinfo->nr_frags].page = NULL;
2883
2884 cons_rx_pg->page = page;
2885 dev_kfree_skb(skb);
2886 }
2887
2888 hw_prod = rxr->rx_pg_prod;
2889
1db82f2a
MC		 2890 for (i = 0; i < count; i++) {
2891 prod = RX_PG_RING_IDX(hw_prod);
2892
bb4f98ab
MC		 2893 prod_rx_pg = &rxr->rx_pg_ring[prod];
2894 cons_rx_pg = &rxr->rx_pg_ring[cons];
2895 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2896 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
1db82f2a 2897
1db82f2a
MC		 2898 if (prod != cons) {
2899 prod_rx_pg->page = cons_rx_pg->page;
2900 cons_rx_pg->page = NULL;
1a4ccc2d
FT		 2901 dma_unmap_addr_set(prod_rx_pg, mapping,
2902 dma_unmap_addr(cons_rx_pg, mapping));
1db82f2a
MC		 2903
2904 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2905 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2906
2907 }
2908 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2909 hw_prod = NEXT_RX_BD(hw_prod);
2910 }
bb4f98ab
MC		 2911 rxr->rx_pg_prod = hw_prod;
2912 rxr->rx_pg_cons = cons;
1db82f2a
MC		 2913}
2914
b6016b76 2915static inline void
bb4f98ab
MC		 2916bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2917 struct sk_buff *skb, u16 cons, u16 prod)
b6016b76 2918{
236b6394
MC		 2919 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2920 struct rx_bd *cons_bd, *prod_bd;
2921
bb4f98ab
MC		 2922 cons_rx_buf = &rxr->rx_buf_ring[cons];
2923 prod_rx_buf = &rxr->rx_buf_ring[prod];
b6016b76 2924
36227e88 2925 dma_sync_single_for_device(&bp->pdev->dev,
1a4ccc2d 2926 dma_unmap_addr(cons_rx_buf, mapping),
601d3d18 2927 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
b6016b76 2928
bb4f98ab 2929 rxr->rx_prod_bseq += bp->rx_buf_use_size;
b6016b76 2930
236b6394 2931 prod_rx_buf->skb = skb;
a33fa66b 2932 prod_rx_buf->desc = (struct l2_fhdr *) skb->data;
b6016b76 2933
236b6394
MC		 2934 if (cons == prod)
2935 return;
b6016b76 2936
1a4ccc2d
FT		 2937 dma_unmap_addr_set(prod_rx_buf, mapping,
2938 dma_unmap_addr(cons_rx_buf, mapping));
236b6394 2939
bb4f98ab
MC		 2940 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2941 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
236b6394
MC		 2942 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2943 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
b6016b76
MC		 2944}
2945
85833c62 2946static int
bb4f98ab 2947bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
a1f60190
MC		 2948 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2949 u32 ring_idx)
85833c62
MC		 2950{
2951 int err;
2952 u16 prod = ring_idx & 0xffff;
2953
a2df00aa 2954 err = bnx2_alloc_rx_skb(bp, rxr, prod, GFP_ATOMIC);
85833c62 2955 if (unlikely(err)) {
bb4f98ab 2956 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
1db82f2a
MC		 2957 if (hdr_len) {
2958 unsigned int raw_len = len + 4;
2959 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2960
bb4f98ab 2961 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
1db82f2a 2962 }
85833c62
MC		 2963 return err;
2964 }
2965
d89cb6af 2966 skb_reserve(skb, BNX2_RX_OFFSET);
36227e88 2967 dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
85833c62
MC		 2968 PCI_DMA_FROMDEVICE);
2969
1db82f2a
MC		 2970 if (hdr_len == 0) {
2971 skb_put(skb, len);
2972 return 0;
2973 } else {
2974 unsigned int i, frag_len, frag_size, pages;
2975 struct sw_pg *rx_pg;
bb4f98ab
MC		 2976 u16 pg_cons = rxr->rx_pg_cons;
2977 u16 pg_prod = rxr->rx_pg_prod;
1db82f2a
MC		 2978
2979 frag_size = len + 4 - hdr_len;
2980 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2981 skb_put(skb, hdr_len);
2982
2983 for (i = 0; i < pages; i++) {
3d16af86
BL		 2984 dma_addr_t mapping_old;
2985
1db82f2a
MC		 2986 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2987 if (unlikely(frag_len <= 4)) {
2988 unsigned int tail = 4 - frag_len;
2989
bb4f98ab
MC		 2990 rxr->rx_pg_cons = pg_cons;
2991 rxr->rx_pg_prod = pg_prod;
2992 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
a1f60190 2993 pages - i);
1db82f2a
MC		 2994 skb->len -= tail;
2995 if (i == 0) {
2996 skb->tail -= tail;
2997 } else {
2998 skb_frag_t *frag =
2999 &skb_shinfo(skb)->frags[i - 1];
3000 frag->size -= tail;
3001 skb->data_len -= tail;
3002 skb->truesize -= tail;
3003 }
3004 return 0;
3005 }
bb4f98ab 3006 rx_pg = &rxr->rx_pg_ring[pg_cons];
1db82f2a 3007
3d16af86
BL		 3008 /* Don't unmap yet. If we're unable to allocate a new
3009 * page, we need to recycle the page and the DMA addr.
3010 */
1a4ccc2d 3011 mapping_old = dma_unmap_addr(rx_pg, mapping);
1db82f2a
MC		 3012 if (i == pages - 1)
3013 frag_len -= 4;
3014
3015 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3016 rx_pg->page = NULL;
3017
bb4f98ab 3018 err = bnx2_alloc_rx_page(bp, rxr,
a2df00aa
SG		 3019 RX_PG_RING_IDX(pg_prod),
3020 GFP_ATOMIC);
1db82f2a 3021 if (unlikely(err)) {
bb4f98ab
MC		 3022 rxr->rx_pg_cons = pg_cons;
3023 rxr->rx_pg_prod = pg_prod;
3024 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
a1f60190 3025 pages - i);
1db82f2a
MC		 3026 return err;
3027 }
3028
36227e88 3029 dma_unmap_page(&bp->pdev->dev, mapping_old,
3d16af86
BL		 3030 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3031
1db82f2a
MC		 3032 frag_size -= frag_len;
3033 skb->data_len += frag_len;
3034 skb->truesize += frag_len;
3035 skb->len += frag_len;
3036
3037 pg_prod = NEXT_RX_BD(pg_prod);
3038 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
3039 }
bb4f98ab
MC		 3040 rxr->rx_pg_prod = pg_prod;
3041 rxr->rx_pg_cons = pg_cons;
1db82f2a 3042 }
85833c62
MC		 3043 return 0;
3044}
3045
c09c2627 3046static inline u16
35efa7c1 3047bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
c09c2627 3048{
bb4f98ab
MC		 3049 u16 cons;
3050
43e80b89
MC		 3051 /* Tell compiler that status block fields can change. */
3052 barrier();
3053 cons = *bnapi->hw_rx_cons_ptr;
581daf7e 3054 barrier();
c09c2627
MC		 3055 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
3056 cons++;
3057 return cons;
3058}
3059
b6016b76 3060static int
35efa7c1 3061bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
b6016b76 3062{
bb4f98ab 3063 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
b6016b76
MC		 3064 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3065 struct l2_fhdr *rx_hdr;
1db82f2a 3066 int rx_pkt = 0, pg_ring_used = 0;
b6016b76 3067
35efa7c1 3068 hw_cons = bnx2_get_hw_rx_cons(bnapi);
bb4f98ab
MC		 3069 sw_cons = rxr->rx_cons;
3070 sw_prod = rxr->rx_prod;
b6016b76
MC		 3071
3072 /* Memory barrier necessary as speculative reads of the rx
3073 * buffer can be ahead of the index in the status block
3074 */
3075 rmb();
3076 while (sw_cons != hw_cons) {
1db82f2a 3077 unsigned int len, hdr_len;
ade2bfe7 3078 u32 status;
a33fa66b 3079 struct sw_bd *rx_buf, *next_rx_buf;
b6016b76 3080 struct sk_buff *skb;
236b6394 3081 dma_addr_t dma_addr;
b6016b76
MC		 3082
3083 sw_ring_cons = RX_RING_IDX(sw_cons);
3084 sw_ring_prod = RX_RING_IDX(sw_prod);
3085
bb4f98ab 3086 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
b6016b76 3087 skb = rx_buf->skb;
a33fa66b 3088 prefetchw(skb);
236b6394 3089
aabef8b2
FT		 3090 next_rx_buf =
3091 &rxr->rx_buf_ring[RX_RING_IDX(NEXT_RX_BD(sw_cons))];
3092 prefetch(next_rx_buf->desc);
3093
236b6394
MC		 3094 rx_buf->skb = NULL;
3095
1a4ccc2d 3096 dma_addr = dma_unmap_addr(rx_buf, mapping);
236b6394 3097
36227e88 3098 dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
601d3d18
BL		 3099 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3100 PCI_DMA_FROMDEVICE);
b6016b76 3101
a33fa66b 3102 rx_hdr = rx_buf->desc;
1db82f2a 3103 len = rx_hdr->l2_fhdr_pkt_len;
990ec380 3104 status = rx_hdr->l2_fhdr_status;
b6016b76 3105
1db82f2a
MC		 3106 hdr_len = 0;
3107 if (status & L2_FHDR_STATUS_SPLIT) {
3108 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3109 pg_ring_used = 1;
3110 } else if (len > bp->rx_jumbo_thresh) {
3111 hdr_len = bp->rx_jumbo_thresh;
3112 pg_ring_used = 1;
3113 }
3114
990ec380
MC		 3115 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3116 L2_FHDR_ERRORS_PHY_DECODE |
3117 L2_FHDR_ERRORS_ALIGNMENT |
3118 L2_FHDR_ERRORS_TOO_SHORT |
3119 L2_FHDR_ERRORS_GIANT_FRAME))) {
3120
3121 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3122 sw_ring_prod);
3123 if (pg_ring_used) {
3124 int pages;
3125
3126 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3127
3128 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3129 }
3130 goto next_rx;
3131 }
3132
1db82f2a 3133 len -= 4;
b6016b76 3134
5d5d0015 3135 if (len <= bp->rx_copy_thresh) {
b6016b76
MC		 3136 struct sk_buff *new_skb;
3137
f22828e8 3138 new_skb = netdev_alloc_skb(bp->dev, len + 6);
85833c62 3139 if (new_skb == NULL) {
bb4f98ab 3140 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
85833c62
MC		 3141 sw_ring_prod);
3142 goto next_rx;
3143 }
b6016b76
MC		 3144
3145 /* aligned copy */
d89cb6af 3146 skb_copy_from_linear_data_offset(skb,
f22828e8
MC		 3147 BNX2_RX_OFFSET - 6,
3148 new_skb->data, len + 6);
3149 skb_reserve(new_skb, 6);
b6016b76 3150 skb_put(new_skb, len);
b6016b76 3151
bb4f98ab 3152 bnx2_reuse_rx_skb(bp, rxr, skb,
b6016b76
MC		 3153 sw_ring_cons, sw_ring_prod);
3154
3155 skb = new_skb;
bb4f98ab 3156 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
a1f60190 3157 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
b6016b76 3158 goto next_rx;
b6016b76 3159
f22828e8 3160 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
7d0fd211
JG		 3161 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
3162 __vlan_hwaccel_put_tag(skb, rx_hdr->l2_fhdr_vlan_tag);
f22828e8 3163
b6016b76
MC		 3164 skb->protocol = eth_type_trans(skb, bp->dev);
3165
3166 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
d1e100ba 3167 (ntohs(skb->protocol) != 0x8100)) {
b6016b76 3168
745720e5 3169 dev_kfree_skb(skb);
b6016b76
MC		 3170 goto next_rx;
3171
3172 }
3173
bc8acf2c 3174 skb_checksum_none_assert(skb);
b6016b76
MC		 3175 if (bp->rx_csum &&
3176 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3177 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3178
ade2bfe7
MC		 3179 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3180 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
b6016b76
MC		 3181 skb->ip_summed = CHECKSUM_UNNECESSARY;
3182 }
fdc8541d
MC		 3183 if ((bp->dev->features & NETIF_F_RXHASH) &&
3184 ((status & L2_FHDR_STATUS_USE_RXHASH) ==
3185 L2_FHDR_STATUS_USE_RXHASH))
3186 skb->rxhash = rx_hdr->l2_fhdr_hash;
b6016b76 3187
0c8dfc83 3188 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
7d0fd211 3189 napi_gro_receive(&bnapi->napi, skb);
b6016b76
MC		 3190 rx_pkt++;
3191
3192next_rx:
b6016b76
MC		 3193 sw_cons = NEXT_RX_BD(sw_cons);
3194 sw_prod = NEXT_RX_BD(sw_prod);
3195
3196 if ((rx_pkt == budget))
3197 break;
f4e418f7
MC		 3198
3199 /* Refresh hw_cons to see if there is new work */
3200 if (sw_cons == hw_cons) {
35efa7c1 3201 hw_cons = bnx2_get_hw_rx_cons(bnapi);
f4e418f7
MC		 3202 rmb();
3203 }
b6016b76 3204 }
bb4f98ab
MC		 3205 rxr->rx_cons = sw_cons;
3206 rxr->rx_prod = sw_prod;
b6016b76 3207
1db82f2a 3208 if (pg_ring_used)
bb4f98ab 3209 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
1db82f2a 3210
bb4f98ab 3211 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
b6016b76 3212
bb4f98ab 3213 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
b6016b76
MC		 3214
3215 mmiowb();
3216
3217 return rx_pkt;
3218
3219}
3220
3221/* MSI ISR - The only difference between this and the INTx ISR
3222 * is that the MSI interrupt is always serviced.
3223 */
3224static irqreturn_t
7d12e780 3225bnx2_msi(int irq, void *dev_instance)
b6016b76 3226{
f0ea2e63
MC		 3227 struct bnx2_napi *bnapi = dev_instance;
3228 struct bnx2 *bp = bnapi->bp;
b6016b76 3229
43e80b89 3230 prefetch(bnapi->status_blk.msi);
b6016b76
MC		 3231 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3232 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3233 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3234
3235 /* Return here if interrupt is disabled. */
73eef4cd
MC		 3236 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3237 return IRQ_HANDLED;
b6016b76 3238
288379f0 3239 napi_schedule(&bnapi->napi);
b6016b76 3240
73eef4cd 3241 return IRQ_HANDLED;
b6016b76
MC		 3242}
3243
8e6a72c4
MC		 3244static irqreturn_t
3245bnx2_msi_1shot(int irq, void *dev_instance)
3246{
f0ea2e63
MC		 3247 struct bnx2_napi *bnapi = dev_instance;
3248 struct bnx2 *bp = bnapi->bp;
8e6a72c4 3249
43e80b89 3250 prefetch(bnapi->status_blk.msi);
8e6a72c4
MC		 3251
3252 /* Return here if interrupt is disabled. */
3253 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3254 return IRQ_HANDLED;
3255
288379f0 3256 napi_schedule(&bnapi->napi);
8e6a72c4
MC		 3257
3258 return IRQ_HANDLED;
3259}
3260
b6016b76 3261static irqreturn_t
7d12e780 3262bnx2_interrupt(int irq, void *dev_instance)
b6016b76 3263{
f0ea2e63
MC		 3264 struct bnx2_napi *bnapi = dev_instance;
3265 struct bnx2 *bp = bnapi->bp;
43e80b89 3266 struct status_block *sblk = bnapi->status_blk.msi;
b6016b76
MC		 3267
3268 /* When using INTx, it is possible for the interrupt to arrive
3269 * at the CPU before the status block posted prior to the
3270 * interrupt. Reading a register will flush the status block.
3271 * When using MSI, the MSI message will always complete after
3272 * the status block write.
3273 */
35efa7c1 3274 if ((sblk->status_idx == bnapi->last_status_idx) &&
b6016b76
MC		 3275 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3276 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
73eef4cd 3277 return IRQ_NONE;
b6016b76
MC		 3278
3279 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3280 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3281 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3282
b8a7ce7b
MC		 3283 /* Read back to deassert IRQ immediately to avoid too many
3284 * spurious interrupts.
3285 */
3286 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3287
b6016b76 3288 /* Return here if interrupt is shared and is disabled. */
73eef4cd
MC		 3289 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3290 return IRQ_HANDLED;
b6016b76 3291
288379f0 3292 if (napi_schedule_prep(&bnapi->napi)) {
35efa7c1 3293 bnapi->last_status_idx = sblk->status_idx;
288379f0 3294 __napi_schedule(&bnapi->napi);
b8a7ce7b 3295 }
b6016b76 3296
73eef4cd 3297 return IRQ_HANDLED;
b6016b76
MC		 3298}
3299
f4e418f7 3300static inline int
43e80b89 3301bnx2_has_fast_work(struct bnx2_napi *bnapi)
f4e418f7 3302{
35e9010b 3303 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
bb4f98ab 3304 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
f4e418f7 3305
bb4f98ab 3306 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
35e9010b 3307 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
f4e418f7 3308 return 1;
43e80b89
MC		 3309 return 0;
3310}
3311
3312#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3313 STATUS_ATTN_BITS_TIMER_ABORT)
3314
3315static inline int
3316bnx2_has_work(struct bnx2_napi *bnapi)
3317{
3318 struct status_block *sblk = bnapi->status_blk.msi;
3319
3320 if (bnx2_has_fast_work(bnapi))
3321 return 1;
f4e418f7 3322
4edd473f
MC		 3323#ifdef BCM_CNIC
3324 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3325 return 1;
3326#endif
3327
da3e4fbe
MC		 3328 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3329 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
f4e418f7
MC		 3330 return 1;
3331
3332 return 0;
3333}
3334
efba0180
MC		 3335static void
3336bnx2_chk_missed_msi(struct bnx2 *bp)
3337{
3338 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3339 u32 msi_ctrl;
3340
3341 if (bnx2_has_work(bnapi)) {
3342 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3343 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3344 return;
3345
3346 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3347 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3348 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3349 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3350 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3351 }
3352 }
3353
3354 bp->idle_chk_status_idx = bnapi->last_status_idx;
3355}
3356
4edd473f
MC		 3357#ifdef BCM_CNIC
3358static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3359{
3360 struct cnic_ops *c_ops;
3361
3362 if (!bnapi->cnic_present)
3363 return;
3364
3365 rcu_read_lock();
3366 c_ops = rcu_dereference(bp->cnic_ops);
3367 if (c_ops)
3368 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3369 bnapi->status_blk.msi);
3370 rcu_read_unlock();
3371}
3372#endif
3373
43e80b89 3374static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
b6016b76 3375{
43e80b89 3376 struct status_block *sblk = bnapi->status_blk.msi;
da3e4fbe
MC		 3377 u32 status_attn_bits = sblk->status_attn_bits;
3378 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
b6016b76 3379
da3e4fbe
MC		 3380 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3381 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
b6016b76 3382
35efa7c1 3383 bnx2_phy_int(bp, bnapi);
bf5295bb
MC		 3384
3385 /* This is needed to take care of transient status
3386 * during link changes.
3387 */
3388 REG_WR(bp, BNX2_HC_COMMAND,
3389 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3390 REG_RD(bp, BNX2_HC_COMMAND);
b6016b76 3391 }
43e80b89
MC		 3392}
3393
3394static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3395 int work_done, int budget)
3396{
3397 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3398 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
b6016b76 3399
35e9010b 3400 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
57851d84 3401 bnx2_tx_int(bp, bnapi, 0);
b6016b76 3402
bb4f98ab 3403 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
35efa7c1 3404 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
6aa20a22 3405
6f535763
DM		 3406 return work_done;
3407}
3408
f0ea2e63
MC		 3409static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3410{
3411 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3412 struct bnx2 *bp = bnapi->bp;
3413 int work_done = 0;
3414 struct status_block_msix *sblk = bnapi->status_blk.msix;
3415
3416 while (1) {
3417 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3418 if (unlikely(work_done >= budget))
3419 break;
3420
3421 bnapi->last_status_idx = sblk->status_idx;
3422 /* status idx must be read before checking for more work. */
3423 rmb();
3424 if (likely(!bnx2_has_fast_work(bnapi))) {
3425
288379f0 3426 napi_complete(napi);
f0ea2e63
MC		 3427 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3428 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3429 bnapi->last_status_idx);
3430 break;
3431 }
3432 }
3433 return work_done;
3434}
3435
6f535763
DM		 3436static int bnx2_poll(struct napi_struct *napi, int budget)
3437{
35efa7c1
MC		 3438 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3439 struct bnx2 *bp = bnapi->bp;
6f535763 3440 int work_done = 0;
43e80b89 3441 struct status_block *sblk = bnapi->status_blk.msi;
6f535763
DM		 3442
3443 while (1) {
43e80b89
MC		 3444 bnx2_poll_link(bp, bnapi);
3445
35efa7c1 3446 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
f4e418f7 3447
4edd473f
MC		 3448#ifdef BCM_CNIC
3449 bnx2_poll_cnic(bp, bnapi);
3450#endif
3451
35efa7c1 3452 /* bnapi->last_status_idx is used below to tell the hw how
6dee6421
MC		 3453 * much work has been processed, so we must read it before
3454 * checking for more work.
3455 */
35efa7c1 3456 bnapi->last_status_idx = sblk->status_idx;
efba0180
MC		 3457
3458 if (unlikely(work_done >= budget))
3459 break;
3460
6dee6421 3461 rmb();
35efa7c1 3462 if (likely(!bnx2_has_work(bnapi))) {
288379f0 3463 napi_complete(napi);
f86e82fb 3464 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
6f535763
DM		 3465 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3466 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
35efa7c1 3467 bnapi->last_status_idx);
6dee6421 3468 break;
6f535763 3469 }
1269a8a6
MC		 3470 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3471 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
6f535763 3472 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
35efa7c1 3473 bnapi->last_status_idx);
1269a8a6 3474
6f535763
DM		 3475 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3476 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
35efa7c1 3477 bnapi->last_status_idx);
6f535763
DM		 3478 break;
3479 }
b6016b76
MC		 3480 }
3481
bea3348e 3482 return work_done;
b6016b76
MC		 3483}
3484
932ff279 3485/* Called with rtnl_lock from vlan functions and also netif_tx_lock
b6016b76
MC		 3486 * from set_multicast.
3487 */
3488static void
3489bnx2_set_rx_mode(struct net_device *dev)
3490{
972ec0d4 3491 struct bnx2 *bp = netdev_priv(dev);
b6016b76 3492 u32 rx_mode, sort_mode;
ccffad25 3493 struct netdev_hw_addr *ha;
b6016b76 3494 int i;
b6016b76 3495
9f52b564
MC		 3496 if (!netif_running(dev))
3497 return;
3498
c770a65c 3499 spin_lock_bh(&bp->phy_lock);
b6016b76
MC		 3500
3501 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3502 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3503 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
7d0fd211
JG		 3504 if (!(dev->features & NETIF_F_HW_VLAN_RX) &&
3505 (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
b6016b76 3506 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
b6016b76
MC		 3507 if (dev->flags & IFF_PROMISC) {
3508 /* Promiscuous mode. */
3509 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
7510873d
MC		 3510 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3511 BNX2_RPM_SORT_USER0_PROM_VLAN;
b6016b76
MC		 3512 }
3513 else if (dev->flags & IFF_ALLMULTI) {
3514 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3515 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3516 0xffffffff);
3517 }
3518 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3519 }
3520 else {
3521 /* Accept one or more multicast(s). */
b6016b76
MC		 3522 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3523 u32 regidx;
3524 u32 bit;
3525 u32 crc;
3526
3527 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3528
22bedad3
JP		 3529 netdev_for_each_mc_addr(ha, dev) {
3530 crc = ether_crc_le(ETH_ALEN, ha->addr);
b6016b76
MC		 3531 bit = crc & 0xff;
3532 regidx = (bit & 0xe0) >> 5;
3533 bit &= 0x1f;
3534 mc_filter[regidx] |= (1 << bit);
3535 }
3536
3537 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3538 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3539 mc_filter[i]);
3540 }
3541
3542 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3543 }
3544
32e7bfc4 3545 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
5fcaed01
BL		 3546 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3547 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3548 BNX2_RPM_SORT_USER0_PROM_VLAN;
3549 } else if (!(dev->flags & IFF_PROMISC)) {
5fcaed01 3550 /* Add all entries into to the match filter list */
ccffad25 3551 i = 0;
32e7bfc4 3552 netdev_for_each_uc_addr(ha, dev) {
ccffad25 3553 bnx2_set_mac_addr(bp, ha->addr,
5fcaed01
BL		 3554 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3555 sort_mode |= (1 <<
3556 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
ccffad25 3557 i++;
5fcaed01
BL		 3558 }
3559
3560 }
3561
b6016b76
MC		 3562 if (rx_mode != bp->rx_mode) {
3563 bp->rx_mode = rx_mode;
3564 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3565 }
3566
3567 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3568 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3569 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3570
c770a65c 3571 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 3572}
3573
57579f76
MC		 3574static int __devinit
3575check_fw_section(const struct firmware *fw,
3576 const struct bnx2_fw_file_section *section,
3577 u32 alignment, bool non_empty)
3578{
3579 u32 offset = be32_to_cpu(section->offset);
3580 u32 len = be32_to_cpu(section->len);
3581
3582 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3583 return -EINVAL;
3584 if ((non_empty && len == 0) || len > fw->size - offset ||
3585 len & (alignment - 1))
3586 return -EINVAL;
3587 return 0;
3588}
3589
3590static int __devinit
3591check_mips_fw_entry(const struct firmware *fw,
3592 const struct bnx2_mips_fw_file_entry *entry)
3593{
3594 if (check_fw_section(fw, &entry->text, 4, true) ||
3595 check_fw_section(fw, &entry->data, 4, false) ||
3596 check_fw_section(fw, &entry->rodata, 4, false))
3597 return -EINVAL;
3598 return 0;
3599}
3600
3601static int __devinit
3602bnx2_request_firmware(struct bnx2 *bp)
b6016b76 3603{
57579f76 3604 const char *mips_fw_file, *rv2p_fw_file;
5ee1c326
BB		 3605 const struct bnx2_mips_fw_file *mips_fw;
3606 const struct bnx2_rv2p_fw_file *rv2p_fw;
57579f76
MC		 3607 int rc;
3608
3609 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3610 mips_fw_file = FW_MIPS_FILE_09;
078b0735
MC		 3611 if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
3612 (CHIP_ID(bp) == CHIP_ID_5709_A1))
3613 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3614 else
3615 rv2p_fw_file = FW_RV2P_FILE_09;
57579f76
MC		 3616 } else {
3617 mips_fw_file = FW_MIPS_FILE_06;
3618 rv2p_fw_file = FW_RV2P_FILE_06;
3619 }
3620
3621 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3622 if (rc) {
3a9c6a49 3623 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
57579f76
MC		 3624 return rc;
3625 }
3626
3627 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3628 if (rc) {
3a9c6a49 3629 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
57579f76
MC		 3630 return rc;
3631 }
5ee1c326
BB		 3632 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3633 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3634 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3635 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3636 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3637 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3638 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3639 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
3a9c6a49 3640 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
57579f76
MC		 3641 return -EINVAL;
3642 }
5ee1c326
BB		 3643 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3644 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3645 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
3a9c6a49 3646 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
57579f76
MC		 3647 return -EINVAL;
3648 }
3649
3650 return 0;
3651}
3652
3653static u32
3654rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3655{
3656 switch (idx) {
3657 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3658 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3659 rv2p_code |= RV2P_BD_PAGE_SIZE;
3660 break;
3661 }
3662 return rv2p_code;
3663}
3664
3665static int
3666load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3667 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3668{
3669 u32 rv2p_code_len, file_offset;
3670 __be32 *rv2p_code;
b6016b76 3671 int i;
57579f76
MC		 3672 u32 val, cmd, addr;
3673
3674 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3675 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3676
3677 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
b6016b76 3678
57579f76
MC		 3679 if (rv2p_proc == RV2P_PROC1) {
3680 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3681 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3682 } else {
3683 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3684 addr = BNX2_RV2P_PROC2_ADDR_CMD;
d25be1d3 3685 }
b6016b76
MC		 3686
3687 for (i = 0; i < rv2p_code_len; i += 8) {
57579f76 3688 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
b6016b76 3689 rv2p_code++;
57579f76 3690 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
b6016b76
MC		 3691 rv2p_code++;
3692
57579f76
MC		 3693 val = (i / 8) | cmd;
3694 REG_WR(bp, addr, val);
3695 }
3696
3697 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3698 for (i = 0; i < 8; i++) {
3699 u32 loc, code;
3700
3701 loc = be32_to_cpu(fw_entry->fixup[i]);
3702 if (loc && ((loc * 4) < rv2p_code_len)) {
3703 code = be32_to_cpu(*(rv2p_code + loc - 1));
3704 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
3705 code = be32_to_cpu(*(rv2p_code + loc));
3706 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
3707 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
3708
3709 val = (loc / 2) | cmd;
3710 REG_WR(bp, addr, val);
b6016b76
MC		 3711 }
3712 }
3713
3714 /* Reset the processor, un-stall is done later. */
3715 if (rv2p_proc == RV2P_PROC1) {
3716 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3717 }
3718 else {
3719 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3720 }
57579f76
MC		 3721
3722 return 0;
b6016b76
MC		 3723}
3724
af3ee519 3725static int
57579f76
MC		 3726load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3727 const struct bnx2_mips_fw_file_entry *fw_entry)
b6016b76 3728{
57579f76
MC		 3729 u32 addr, len, file_offset;
3730 __be32 *data;
b6016b76
MC		 3731 u32 offset;
3732 u32 val;
3733
3734 /* Halt the CPU. */
2726d6e1 3735 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
b6016b76 3736 val |= cpu_reg->mode_value_halt;
2726d6e1
MC		 3737 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3738 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
b6016b76
MC		 3739
3740 /* Load the Text area. */
57579f76
MC		 3741 addr = be32_to_cpu(fw_entry->text.addr);
3742 len = be32_to_cpu(fw_entry->text.len);
3743 file_offset = be32_to_cpu(fw_entry->text.offset);
3744 data = (__be32 *)(bp->mips_firmware->data + file_offset);
ea1f8d5c 3745
57579f76
MC		 3746 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3747 if (len) {
b6016b76
MC		 3748 int j;
3749
57579f76
MC		 3750 for (j = 0; j < (len / 4); j++, offset += 4)
3751 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
b6016b76
MC		 3752 }
3753
57579f76
MC		 3754 /* Load the Data area. */
3755 addr = be32_to_cpu(fw_entry->data.addr);
3756 len = be32_to_cpu(fw_entry->data.len);
3757 file_offset = be32_to_cpu(fw_entry->data.offset);
3758 data = (__be32 *)(bp->mips_firmware->data + file_offset);
b6016b76 3759
57579f76
MC		 3760 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3761 if (len) {
b6016b76
MC		 3762 int j;
3763
57579f76
MC		 3764 for (j = 0; j < (len / 4); j++, offset += 4)
3765 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
b6016b76
MC		 3766 }
3767
3768 /* Load the Read-Only area. */
57579f76
MC		 3769 addr = be32_to_cpu(fw_entry->rodata.addr);
3770 len = be32_to_cpu(fw_entry->rodata.len);
3771 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3772 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3773
3774 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3775 if (len) {
b6016b76
MC		 3776 int j;
3777
57579f76
MC		 3778 for (j = 0; j < (len / 4); j++, offset += 4)
3779 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
b6016b76
MC		 3780 }
3781
3782 /* Clear the pre-fetch instruction. */
2726d6e1 3783 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
57579f76
MC		 3784
3785 val = be32_to_cpu(fw_entry->start_addr);
3786 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
b6016b76
MC		 3787
3788 /* Start the CPU. */
2726d6e1 3789 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
b6016b76 3790 val &= ~cpu_reg->mode_value_halt;
2726d6e1
MC		 3791 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3792 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
af3ee519
MC		 3793
3794 return 0;
b6016b76
MC		 3795}
3796
fba9fe91 3797static int
b6016b76
MC		 3798bnx2_init_cpus(struct bnx2 *bp)
3799{
57579f76
MC		 3800 const struct bnx2_mips_fw_file *mips_fw =
3801 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3802 const struct bnx2_rv2p_fw_file *rv2p_fw =
3803 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3804 int rc;
b6016b76
MC		 3805
3806 /* Initialize the RV2P processor. */
57579f76
MC		 3807 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3808 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
b6016b76
MC		 3809
3810 /* Initialize the RX Processor. */
57579f76 3811 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
fba9fe91
MC		 3812 if (rc)
3813 goto init_cpu_err;
3814
b6016b76 3815 /* Initialize the TX Processor. */
57579f76 3816 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
fba9fe91
MC		 3817 if (rc)
3818 goto init_cpu_err;
3819
b6016b76 3820 /* Initialize the TX Patch-up Processor. */
57579f76 3821 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
fba9fe91
MC		 3822 if (rc)
3823 goto init_cpu_err;
3824
b6016b76 3825 /* Initialize the Completion Processor. */
57579f76 3826 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
fba9fe91
MC		 3827 if (rc)
3828 goto init_cpu_err;
3829
d43584c8 3830 /* Initialize the Command Processor. */
57579f76 3831 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
b6016b76 3832
fba9fe91 3833init_cpu_err:
fba9fe91 3834 return rc;
b6016b76
MC		 3835}
3836
3837static int
829ca9a3 3838bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
b6016b76
MC		 3839{
3840 u16 pmcsr;
3841
3842 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3843
3844 switch (state) {
829ca9a3 3845 case PCI_D0: {
b6016b76
MC		 3846 u32 val;
3847
3848 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3849 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3850 PCI_PM_CTRL_PME_STATUS);
3851
3852 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3853 /* delay required during transition out of D3hot */
3854 msleep(20);
3855
3856 val = REG_RD(bp, BNX2_EMAC_MODE);
3857 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3858 val &= ~BNX2_EMAC_MODE_MPKT;
3859 REG_WR(bp, BNX2_EMAC_MODE, val);
3860
3861 val = REG_RD(bp, BNX2_RPM_CONFIG);
3862 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3863 REG_WR(bp, BNX2_RPM_CONFIG, val);
3864 break;
3865 }
829ca9a3 3866 case PCI_D3hot: {
b6016b76
MC		 3867 int i;
3868 u32 val, wol_msg;
3869
3870 if (bp->wol) {
3871 u32 advertising;
3872 u8 autoneg;
3873
3874 autoneg = bp->autoneg;
3875 advertising = bp->advertising;
3876
239cd343
MC		 3877 if (bp->phy_port == PORT_TP) {
3878 bp->autoneg = AUTONEG_SPEED;
3879 bp->advertising = ADVERTISED_10baseT_Half |
3880 ADVERTISED_10baseT_Full |
3881 ADVERTISED_100baseT_Half |
3882 ADVERTISED_100baseT_Full |
3883 ADVERTISED_Autoneg;
3884 }
b6016b76 3885
239cd343
MC		 3886 spin_lock_bh(&bp->phy_lock);
3887 bnx2_setup_phy(bp, bp->phy_port);
3888 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 3889
3890 bp->autoneg = autoneg;
3891 bp->advertising = advertising;
3892
5fcaed01 3893 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
b6016b76
MC		 3894
3895 val = REG_RD(bp, BNX2_EMAC_MODE);
3896
3897 /* Enable port mode. */
3898 val &= ~BNX2_EMAC_MODE_PORT;
239cd343 3899 val |= BNX2_EMAC_MODE_MPKT_RCVD |
b6016b76 3900 BNX2_EMAC_MODE_ACPI_RCVD |
b6016b76 3901 BNX2_EMAC_MODE_MPKT;
239cd343
MC		 3902 if (bp->phy_port == PORT_TP)
3903 val |= BNX2_EMAC_MODE_PORT_MII;
3904 else {
3905 val |= BNX2_EMAC_MODE_PORT_GMII;
3906 if (bp->line_speed == SPEED_2500)
3907 val |= BNX2_EMAC_MODE_25G_MODE;
3908 }
b6016b76
MC		 3909
3910 REG_WR(bp, BNX2_EMAC_MODE, val);
3911
3912 /* receive all multicast */
3913 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3914 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3915 0xffffffff);
3916 }
3917 REG_WR(bp, BNX2_EMAC_RX_MODE,
3918 BNX2_EMAC_RX_MODE_SORT_MODE);
3919
3920 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3921 BNX2_RPM_SORT_USER0_MC_EN;
3922 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3923 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3924 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3925 BNX2_RPM_SORT_USER0_ENA);
3926
3927 /* Need to enable EMAC and RPM for WOL. */
3928 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3929 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3930 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3931 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3932
3933 val = REG_RD(bp, BNX2_RPM_CONFIG);
3934 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3935 REG_WR(bp, BNX2_RPM_CONFIG, val);
3936
3937 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3938 }
3939 else {
3940 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3941 }
3942
f86e82fb 3943 if (!(bp->flags & BNX2_FLAG_NO_WOL))
a2f13890
MC		 3944 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3945 1, 0);
b6016b76
MC		 3946
3947 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3948 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3949 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3950
3951 if (bp->wol)
3952 pmcsr |= 3;
3953 }
3954 else {
3955 pmcsr |= 3;
3956 }
3957 if (bp->wol) {
3958 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3959 }
3960 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3961 pmcsr);
3962
3963 /* No more memory access after this point until
3964 * device is brought back to D0.
3965 */
3966 udelay(50);
3967 break;
3968 }
3969 default:
3970 return -EINVAL;
3971 }
3972 return 0;
3973}
3974
3975static int
3976bnx2_acquire_nvram_lock(struct bnx2 *bp)
3977{
3978 u32 val;
3979 int j;
3980
3981 /* Request access to the flash interface. */
3982 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3983 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3984 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3985 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3986 break;
3987
3988 udelay(5);
3989 }
3990
3991 if (j >= NVRAM_TIMEOUT_COUNT)
3992 return -EBUSY;
3993
3994 return 0;
3995}
3996
3997static int
3998bnx2_release_nvram_lock(struct bnx2 *bp)
3999{
4000 int j;
4001 u32 val;
4002
4003 /* Relinquish nvram interface. */
4004 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
4005
4006 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4007 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4008 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4009 break;
4010
4011 udelay(5);
4012 }
4013
4014 if (j >= NVRAM_TIMEOUT_COUNT)
4015 return -EBUSY;
4016
4017 return 0;
4018}
4019
4020
4021static int
4022bnx2_enable_nvram_write(struct bnx2 *bp)
4023{
4024 u32 val;
4025
4026 val = REG_RD(bp, BNX2_MISC_CFG);
4027 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
4028
e30372c9 4029 if (bp->flash_info->flags & BNX2_NV_WREN) {
b6016b76
MC		 4030 int j;
4031
4032 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4033 REG_WR(bp, BNX2_NVM_COMMAND,
4034 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
4035
4036 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4037 udelay(5);
4038
4039 val = REG_RD(bp, BNX2_NVM_COMMAND);
4040 if (val & BNX2_NVM_COMMAND_DONE)
4041 break;
4042 }
4043
4044 if (j >= NVRAM_TIMEOUT_COUNT)
4045 return -EBUSY;
4046 }
4047 return 0;
4048}
4049
4050static void
4051bnx2_disable_nvram_write(struct bnx2 *bp)
4052{
4053 u32 val;
4054
4055 val = REG_RD(bp, BNX2_MISC_CFG);
4056 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
4057}
4058
4059
4060static void
4061bnx2_enable_nvram_access(struct bnx2 *bp)
4062{
4063 u32 val;
4064
4065 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4066 /* Enable both bits, even on read. */
6aa20a22 4067 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
b6016b76
MC		 4068 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
4069}
4070
4071static void
4072bnx2_disable_nvram_access(struct bnx2 *bp)
4073{
4074 u32 val;
4075
4076 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4077 /* Disable both bits, even after read. */
6aa20a22 4078 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
b6016b76
MC		 4079 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4080 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4081}
4082
4083static int
4084bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4085{
4086 u32 cmd;
4087 int j;
4088
e30372c9 4089 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
b6016b76
MC		 4090 /* Buffered flash, no erase needed */
4091 return 0;
4092
4093 /* Build an erase command */
4094 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4095 BNX2_NVM_COMMAND_DOIT;
4096
4097 /* Need to clear DONE bit separately. */
4098 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4099
4100 /* Address of the NVRAM to read from. */
4101 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4102
4103 /* Issue an erase command. */
4104 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4105
4106 /* Wait for completion. */
4107 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4108 u32 val;
4109
4110 udelay(5);
4111
4112 val = REG_RD(bp, BNX2_NVM_COMMAND);
4113 if (val & BNX2_NVM_COMMAND_DONE)
4114 break;
4115 }
4116
4117 if (j >= NVRAM_TIMEOUT_COUNT)
4118 return -EBUSY;
4119
4120 return 0;
4121}
4122
4123static int
4124bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4125{
4126 u32 cmd;
4127 int j;
4128
4129 /* Build the command word. */
4130 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4131
e30372c9
MC		 4132 /* Calculate an offset of a buffered flash, not needed for 5709. */
4133 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
b6016b76
MC		 4134 offset = ((offset / bp->flash_info->page_size) <<
4135 bp->flash_info->page_bits) +
4136 (offset % bp->flash_info->page_size);
4137 }
4138
4139 /* Need to clear DONE bit separately. */
4140 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4141
4142 /* Address of the NVRAM to read from. */
4143 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4144
4145 /* Issue a read command. */
4146 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4147
4148 /* Wait for completion. */
4149 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4150 u32 val;
4151
4152 udelay(5);
4153
4154 val = REG_RD(bp, BNX2_NVM_COMMAND);
4155 if (val & BNX2_NVM_COMMAND_DONE) {
b491edd5
AV		 4156 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
4157 memcpy(ret_val, &v, 4);
b6016b76
MC		 4158 break;
4159 }
4160 }
4161 if (j >= NVRAM_TIMEOUT_COUNT)
4162 return -EBUSY;
4163
4164 return 0;
4165}
4166
4167
4168static int
4169bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4170{
b491edd5
AV		 4171 u32 cmd;
4172 __be32 val32;
b6016b76
MC		 4173 int j;
4174
4175 /* Build the command word. */
4176 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4177
e30372c9
MC		 4178 /* Calculate an offset of a buffered flash, not needed for 5709. */
4179 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
b6016b76
MC		 4180 offset = ((offset / bp->flash_info->page_size) <<
4181 bp->flash_info->page_bits) +
4182 (offset % bp->flash_info->page_size);
4183 }
4184
4185 /* Need to clear DONE bit separately. */
4186 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4187
4188 memcpy(&val32, val, 4);
b6016b76
MC		 4189
4190 /* Write the data. */
b491edd5 4191 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
b6016b76
MC		 4192
4193 /* Address of the NVRAM to write to. */
4194 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4195
4196 /* Issue the write command. */
4197 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4198
4199 /* Wait for completion. */
4200 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4201 udelay(5);
4202
4203 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
4204 break;
4205 }
4206 if (j >= NVRAM_TIMEOUT_COUNT)
4207 return -EBUSY;
4208
4209 return 0;
4210}
4211
4212static int
4213bnx2_init_nvram(struct bnx2 *bp)
4214{
4215 u32 val;
e30372c9 4216 int j, entry_count, rc = 0;
0ced9d01 4217 const struct flash_spec *flash;
b6016b76 4218
e30372c9
MC		 4219 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4220 bp->flash_info = &flash_5709;
4221 goto get_flash_size;
4222 }
4223
b6016b76
MC		 4224 /* Determine the selected interface. */
4225 val = REG_RD(bp, BNX2_NVM_CFG1);
4226
ff8ac609 4227 entry_count = ARRAY_SIZE(flash_table);
b6016b76 4228
b6016b76
MC		 4229 if (val & 0x40000000) {
4230
4231 /* Flash interface has been reconfigured */
4232 for (j = 0, flash = &flash_table[0]; j < entry_count;
37137709
MC		 4233 j++, flash++) {
4234 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4235 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
b6016b76
MC		 4236 bp->flash_info = flash;
4237 break;
4238 }
4239 }
4240 }
4241 else {
37137709 4242 u32 mask;
b6016b76
MC		 4243 /* Not yet been reconfigured */
4244
37137709
MC		 4245 if (val & (1 << 23))
4246 mask = FLASH_BACKUP_STRAP_MASK;
4247 else
4248 mask = FLASH_STRAP_MASK;
4249
b6016b76
MC		 4250 for (j = 0, flash = &flash_table[0]; j < entry_count;
4251 j++, flash++) {
4252
37137709 4253 if ((val & mask) == (flash->strapping & mask)) {
b6016b76
MC		 4254 bp->flash_info = flash;
4255
4256 /* Request access to the flash interface. */
4257 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4258 return rc;
4259
4260 /* Enable access to flash interface */
4261 bnx2_enable_nvram_access(bp);
4262
4263 /* Reconfigure the flash interface */
4264 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4265 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4266 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4267 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4268
4269 /* Disable access to flash interface */
4270 bnx2_disable_nvram_access(bp);
4271 bnx2_release_nvram_lock(bp);
4272
4273 break;
4274 }
4275 }
4276 } /* if (val & 0x40000000) */
4277
4278 if (j == entry_count) {
4279 bp->flash_info = NULL;
3a9c6a49 4280 pr_alert("Unknown flash/EEPROM type\n");
1122db71 4281 return -ENODEV;
b6016b76
MC		 4282 }
4283
e30372c9 4284get_flash_size:
2726d6e1 4285 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
1122db71
MC		 4286 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4287 if (val)
4288 bp->flash_size = val;
4289 else
4290 bp->flash_size = bp->flash_info->total_size;
4291
b6016b76
MC		 4292 return rc;
4293}
4294
4295static int
4296bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4297 int buf_size)
4298{
4299 int rc = 0;
4300 u32 cmd_flags, offset32, len32, extra;
4301
4302 if (buf_size == 0)
4303 return 0;
4304
4305 /* Request access to the flash interface. */
4306 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4307 return rc;
4308
4309 /* Enable access to flash interface */
4310 bnx2_enable_nvram_access(bp);
4311
4312 len32 = buf_size;
4313 offset32 = offset;
4314 extra = 0;
4315
4316 cmd_flags = 0;
4317
4318 if (offset32 & 3) {
4319 u8 buf[4];
4320 u32 pre_len;
4321
4322 offset32 &= ~3;
4323 pre_len = 4 - (offset & 3);
4324
4325 if (pre_len >= len32) {
4326 pre_len = len32;
4327 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4328 BNX2_NVM_COMMAND_LAST;
4329 }
4330 else {
4331 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4332 }
4333
4334 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4335
4336 if (rc)
4337 return rc;
4338
4339 memcpy(ret_buf, buf + (offset & 3), pre_len);
4340
4341 offset32 += 4;
4342 ret_buf += pre_len;
4343 len32 -= pre_len;
4344 }
4345 if (len32 & 3) {
4346 extra = 4 - (len32 & 3);
4347 len32 = (len32 + 4) & ~3;
4348 }
4349
4350 if (len32 == 4) {
4351 u8 buf[4];
4352
4353 if (cmd_flags)
4354 cmd_flags = BNX2_NVM_COMMAND_LAST;
4355 else
4356 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4357 BNX2_NVM_COMMAND_LAST;
4358
4359 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4360
4361 memcpy(ret_buf, buf, 4 - extra);
4362 }
4363 else if (len32 > 0) {
4364 u8 buf[4];
4365
4366 /* Read the first word. */
4367 if (cmd_flags)
4368 cmd_flags = 0;
4369 else
4370 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4371
4372 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4373
4374 /* Advance to the next dword. */
4375 offset32 += 4;
4376 ret_buf += 4;
4377 len32 -= 4;
4378
4379 while (len32 > 4 && rc == 0) {
4380 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4381
4382 /* Advance to the next dword. */
4383 offset32 += 4;
4384 ret_buf += 4;
4385 len32 -= 4;
4386 }
4387
4388 if (rc)
4389 return rc;
4390
4391 cmd_flags = BNX2_NVM_COMMAND_LAST;
4392 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4393
4394 memcpy(ret_buf, buf, 4 - extra);
4395 }
4396
4397 /* Disable access to flash interface */
4398 bnx2_disable_nvram_access(bp);
4399
4400 bnx2_release_nvram_lock(bp);
4401
4402 return rc;
4403}
4404
4405static int
4406bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4407 int buf_size)
4408{
4409 u32 written, offset32, len32;
e6be763f 4410 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
b6016b76
MC		 4411 int rc = 0;
4412 int align_start, align_end;
4413
4414 buf = data_buf;
4415 offset32 = offset;
4416 len32 = buf_size;
4417 align_start = align_end = 0;
4418
4419 if ((align_start = (offset32 & 3))) {
4420 offset32 &= ~3;
c873879c
MC		 4421 len32 += align_start;
4422 if (len32 < 4)
4423 len32 = 4;
b6016b76
MC		 4424 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4425 return rc;
4426 }
4427
4428 if (len32 & 3) {
c873879c
MC		 4429 align_end = 4 - (len32 & 3);
4430 len32 += align_end;
4431 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4432 return rc;
b6016b76
MC		 4433 }
4434
4435 if (align_start || align_end) {
e6be763f
MC		 4436 align_buf = kmalloc(len32, GFP_KERNEL);
4437 if (align_buf == NULL)
b6016b76
MC		 4438 return -ENOMEM;
4439 if (align_start) {
e6be763f 4440 memcpy(align_buf, start, 4);
b6016b76
MC		 4441 }
4442 if (align_end) {
e6be763f 4443 memcpy(align_buf + len32 - 4, end, 4);
b6016b76 4444 }
e6be763f
MC		 4445 memcpy(align_buf + align_start, data_buf, buf_size);
4446 buf = align_buf;
b6016b76
MC		 4447 }
4448
e30372c9 4449 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
ae181bc4
MC		 4450 flash_buffer = kmalloc(264, GFP_KERNEL);
4451 if (flash_buffer == NULL) {
4452 rc = -ENOMEM;
4453 goto nvram_write_end;
4454 }
4455 }
4456
b6016b76
MC		 4457 written = 0;
4458 while ((written < len32) && (rc == 0)) {
4459 u32 page_start, page_end, data_start, data_end;
4460 u32 addr, cmd_flags;
4461 int i;
b6016b76
MC		 4462
4463 /* Find the page_start addr */
4464 page_start = offset32 + written;
4465 page_start -= (page_start % bp->flash_info->page_size);
4466 /* Find the page_end addr */
4467 page_end = page_start + bp->flash_info->page_size;
4468 /* Find the data_start addr */
4469 data_start = (written == 0) ? offset32 : page_start;
4470 /* Find the data_end addr */
6aa20a22 4471 data_end = (page_end > offset32 + len32) ?
b6016b76
MC		 4472 (offset32 + len32) : page_end;
4473
4474 /* Request access to the flash interface. */
4475 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4476 goto nvram_write_end;
4477
4478 /* Enable access to flash interface */
4479 bnx2_enable_nvram_access(bp);
4480
4481 cmd_flags = BNX2_NVM_COMMAND_FIRST;
e30372c9 4482 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
b6016b76
MC		 4483 int j;
4484
4485 /* Read the whole page into the buffer
4486 * (non-buffer flash only) */
4487 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4488 if (j == (bp->flash_info->page_size - 4)) {
4489 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4490 }
4491 rc = bnx2_nvram_read_dword(bp,
6aa20a22
JG		 4492 page_start + j,
4493 &flash_buffer[j],
b6016b76
MC		 4494 cmd_flags);
4495
4496 if (rc)
4497 goto nvram_write_end;
4498
4499 cmd_flags = 0;
4500 }
4501 }
4502
4503 /* Enable writes to flash interface (unlock write-protect) */
4504 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4505 goto nvram_write_end;
4506
b6016b76
MC		 4507 /* Loop to write back the buffer data from page_start to
4508 * data_start */
4509 i = 0;
e30372c9 4510 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
c873879c
MC		 4511 /* Erase the page */
4512 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4513 goto nvram_write_end;
4514
4515 /* Re-enable the write again for the actual write */
4516 bnx2_enable_nvram_write(bp);
4517
b6016b76
MC		 4518 for (addr = page_start; addr < data_start;
4519 addr += 4, i += 4) {
6aa20a22 4520
b6016b76
MC		 4521 rc = bnx2_nvram_write_dword(bp, addr,
4522 &flash_buffer[i], cmd_flags);
4523
4524 if (rc != 0)
4525 goto nvram_write_end;
4526
4527 cmd_flags = 0;
4528 }
4529 }
4530
4531 /* Loop to write the new data from data_start to data_end */
bae25761 4532 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
b6016b76 4533 if ((addr == page_end - 4) ||
e30372c9 4534 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
b6016b76
MC		 4535 (addr == data_end - 4))) {
4536
4537 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4538 }
4539 rc = bnx2_nvram_write_dword(bp, addr, buf,
4540 cmd_flags);
4541
4542 if (rc != 0)
4543 goto nvram_write_end;
4544
4545 cmd_flags = 0;
4546 buf += 4;
4547 }
4548
4549 /* Loop to write back the buffer data from data_end
4550 * to page_end */
e30372c9 4551 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
b6016b76
MC		 4552 for (addr = data_end; addr < page_end;
4553 addr += 4, i += 4) {
6aa20a22 4554
b6016b76
MC		 4555 if (addr == page_end-4) {
4556 cmd_flags = BNX2_NVM_COMMAND_LAST;
4557 }
4558 rc = bnx2_nvram_write_dword(bp, addr,
4559 &flash_buffer[i], cmd_flags);
4560
4561 if (rc != 0)
4562 goto nvram_write_end;
4563
4564 cmd_flags = 0;
4565 }
4566 }
4567
4568 /* Disable writes to flash interface (lock write-protect) */
4569 bnx2_disable_nvram_write(bp);
4570
4571 /* Disable access to flash interface */
4572 bnx2_disable_nvram_access(bp);
4573 bnx2_release_nvram_lock(bp);
4574
4575 /* Increment written */
4576 written += data_end - data_start;
4577 }
4578
4579nvram_write_end:
e6be763f
MC		 4580 kfree(flash_buffer);
4581 kfree(align_buf);
b6016b76
MC		 4582 return rc;
4583}
4584
0d8a6571 4585static void
7c62e83b 4586bnx2_init_fw_cap(struct bnx2 *bp)
0d8a6571 4587{
7c62e83b 4588 u32 val, sig = 0;
0d8a6571 4589
583c28e5 4590 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
7c62e83b
MC		 4591 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4592
4593 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4594 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
0d8a6571 4595
2726d6e1 4596 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
0d8a6571
MC		 4597 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4598 return;
4599
7c62e83b
MC		 4600 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4601 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4602 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4603 }
4604
4605 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4606 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4607 u32 link;
4608
583c28e5 4609 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
0d8a6571 4610
7c62e83b
MC		 4611 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4612 if (link & BNX2_LINK_STATUS_SERDES_LINK)
0d8a6571
MC		 4613 bp->phy_port = PORT_FIBRE;
4614 else
4615 bp->phy_port = PORT_TP;
489310a4 4616
7c62e83b
MC		 4617 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4618 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
0d8a6571 4619 }
7c62e83b
MC		 4620
4621 if (netif_running(bp->dev) && sig)
4622 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
0d8a6571
MC		 4623}
4624
b4b36042
MC		 4625static void
4626bnx2_setup_msix_tbl(struct bnx2 *bp)
4627{
4628 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4629
4630 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4631 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4632}
4633
b6016b76
MC		 4634static int
4635bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4636{
4637 u32 val;
4638 int i, rc = 0;
489310a4 4639 u8 old_port;
b6016b76
MC		 4640
4641 /* Wait for the current PCI transaction to complete before
4642 * issuing a reset. */
4643 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4644 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4645 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4646 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4647 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4648 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4649 udelay(5);
4650
b090ae2b 4651 /* Wait for the firmware to tell us it is ok to issue a reset. */
a2f13890 4652 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
b090ae2b 4653
b6016b76
MC		 4654 /* Deposit a driver reset signature so the firmware knows that
4655 * this is a soft reset. */
2726d6e1
MC		 4656 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4657 BNX2_DRV_RESET_SIGNATURE_MAGIC);
b6016b76 4658
b6016b76
MC		 4659 /* Do a dummy read to force the chip to complete all current transaction
4660 * before we issue a reset. */
4661 val = REG_RD(bp, BNX2_MISC_ID);
4662
234754d5
MC		 4663 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4664 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4665 REG_RD(bp, BNX2_MISC_COMMAND);
4666 udelay(5);
b6016b76 4667
234754d5
MC		 4668 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4669 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
b6016b76 4670
234754d5 4671 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
b6016b76 4672
234754d5
MC		 4673 } else {
4674 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4675 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4676 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4677
4678 /* Chip reset. */
4679 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4680
594a9dfa
MC		 4681 /* Reading back any register after chip reset will hang the
4682 * bus on 5706 A0 and A1. The msleep below provides plenty
4683 * of margin for write posting.
4684 */
234754d5 4685 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
8e545881
AV		 4686 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4687 msleep(20);
b6016b76 4688
234754d5
MC		 4689 /* Reset takes approximate 30 usec */
4690 for (i = 0; i < 10; i++) {
4691 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4692 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4693 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4694 break;
4695 udelay(10);
4696 }
4697
4698 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4699 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
3a9c6a49 4700 pr_err("Chip reset did not complete\n");
234754d5
MC		 4701 return -EBUSY;
4702 }
b6016b76
MC		 4703 }
4704
4705 /* Make sure byte swapping is properly configured. */
4706 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4707 if (val != 0x01020304) {
3a9c6a49 4708 pr_err("Chip not in correct endian mode\n");
b6016b76
MC		 4709 return -ENODEV;
4710 }
4711
b6016b76 4712 /* Wait for the firmware to finish its initialization. */
a2f13890 4713 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
b090ae2b
MC		 4714 if (rc)
4715 return rc;
b6016b76 4716
0d8a6571 4717 spin_lock_bh(&bp->phy_lock);
489310a4 4718 old_port = bp->phy_port;
7c62e83b 4719 bnx2_init_fw_cap(bp);
583c28e5
MC		 4720 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4721 old_port != bp->phy_port)
0d8a6571
MC		 4722 bnx2_set_default_remote_link(bp);
4723 spin_unlock_bh(&bp->phy_lock);
4724
b6016b76
MC		 4725 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4726 /* Adjust the voltage regular to two steps lower. The default
4727 * of this register is 0x0000000e. */
4728 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4729
4730 /* Remove bad rbuf memory from the free pool. */
4731 rc = bnx2_alloc_bad_rbuf(bp);
4732 }
4733
c441b8d2 4734 if (bp->flags & BNX2_FLAG_USING_MSIX) {
b4b36042 4735 bnx2_setup_msix_tbl(bp);
c441b8d2
MC		 4736 /* Prevent MSIX table reads and write from timing out */
4737 REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
4738 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4739 }
b4b36042 4740
b6016b76
MC		 4741 return rc;
4742}
4743
4744static int
4745bnx2_init_chip(struct bnx2 *bp)
4746{
d8026d93 4747 u32 val, mtu;
b4b36042 4748 int rc, i;
b6016b76
MC		 4749
4750 /* Make sure the interrupt is not active. */
4751 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4752
4753 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4754 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4755#ifdef __BIG_ENDIAN
6aa20a22 4756 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
b6016b76 4757#endif
6aa20a22 4758 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
b6016b76
MC		 4759 DMA_READ_CHANS << 12 |
4760 DMA_WRITE_CHANS << 16;
4761
4762 val |= (0x2 << 20) | (1 << 11);
4763
f86e82fb 4764 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
b6016b76
MC		 4765 val |= (1 << 23);
4766
4767 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
f86e82fb 4768 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
b6016b76
MC		 4769 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4770
4771 REG_WR(bp, BNX2_DMA_CONFIG, val);
4772
4773 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4774 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4775 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4776 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4777 }
4778
f86e82fb 4779 if (bp->flags & BNX2_FLAG_PCIX) {
b6016b76
MC		 4780 u16 val16;
4781
4782 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4783 &val16);
4784 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4785 val16 & ~PCI_X_CMD_ERO);
4786 }
4787
4788 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4789 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4790 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4791 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4792
4793 /* Initialize context mapping and zero out the quick contexts. The
4794 * context block must have already been enabled. */
641bdcd5
MC		 4795 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4796 rc = bnx2_init_5709_context(bp);
4797 if (rc)
4798 return rc;
4799 } else
59b47d8a 4800 bnx2_init_context(bp);
b6016b76 4801
fba9fe91
MC		 4802 if ((rc = bnx2_init_cpus(bp)) != 0)
4803 return rc;
4804
b6016b76
MC		 4805 bnx2_init_nvram(bp);
4806
5fcaed01 4807 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
b6016b76
MC		 4808
4809 val = REG_RD(bp, BNX2_MQ_CONFIG);
4810 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4811 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4edd473f
MC		 4812 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4813 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4814 if (CHIP_REV(bp) == CHIP_REV_Ax)
4815 val |= BNX2_MQ_CONFIG_HALT_DIS;
4816 }
68c9f75a 4817
b6016b76
MC		 4818 REG_WR(bp, BNX2_MQ_CONFIG, val);
4819
4820 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4821 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4822 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4823
4824 val = (BCM_PAGE_BITS - 8) << 24;
4825 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4826
4827 /* Configure page size. */
4828 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4829 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4830 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4831 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4832
4833 val = bp->mac_addr[0] +
4834 (bp->mac_addr[1] << 8) +
4835 (bp->mac_addr[2] << 16) +
4836 bp->mac_addr[3] +
4837 (bp->mac_addr[4] << 8) +
4838 (bp->mac_addr[5] << 16);
4839 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4840
4841 /* Program the MTU. Also include 4 bytes for CRC32. */
d8026d93
MC		 4842 mtu = bp->dev->mtu;
4843 val = mtu + ETH_HLEN + ETH_FCS_LEN;
b6016b76
MC		 4844 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4845 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4846 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4847
d8026d93
MC		 4848 if (mtu < 1500)
4849 mtu = 1500;
4850
4851 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4852 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4853 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4854
155d5561 4855 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
b4b36042
MC		 4856 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4857 bp->bnx2_napi[i].last_status_idx = 0;
4858
efba0180
MC		 4859 bp->idle_chk_status_idx = 0xffff;
4860
b6016b76
MC		 4861 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4862
4863 /* Set up how to generate a link change interrupt. */
4864 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4865
4866 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4867 (u64) bp->status_blk_mapping & 0xffffffff);
4868 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4869
4870 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4871 (u64) bp->stats_blk_mapping & 0xffffffff);
4872 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4873 (u64) bp->stats_blk_mapping >> 32);
4874
6aa20a22 4875 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
b6016b76
MC		 4876 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4877
4878 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4879 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4880
4881 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4882 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4883
4884 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4885
4886 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4887
4888 REG_WR(bp, BNX2_HC_COM_TICKS,
4889 (bp->com_ticks_int << 16) | bp->com_ticks);
4890
4891 REG_WR(bp, BNX2_HC_CMD_TICKS,
4892 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4893
61d9e3fa 4894 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
02537b06
MC		 4895 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4896 else
7ea6920e 4897 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
b6016b76
MC		 4898 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4899
4900 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
8e6a72c4 4901 val = BNX2_HC_CONFIG_COLLECT_STATS;
b6016b76 4902 else {
8e6a72c4
MC		 4903 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4904 BNX2_HC_CONFIG_COLLECT_STATS;
b6016b76
MC		 4905 }
4906
efde73a3 4907 if (bp->flags & BNX2_FLAG_USING_MSIX) {
c76c0475
MC		 4908 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4909 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4910
5e9ad9e1
MC		 4911 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4912 }
4913
4914 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
cf7474a6 4915 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
5e9ad9e1
MC		 4916
4917 REG_WR(bp, BNX2_HC_CONFIG, val);
4918
22fa159d
MC		 4919 if (bp->rx_ticks < 25)
4920 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
4921 else
4922 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
4923
5e9ad9e1
MC		 4924 for (i = 1; i < bp->irq_nvecs; i++) {
4925 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4926 BNX2_HC_SB_CONFIG_1;
4927
6f743ca0 4928 REG_WR(bp, base,
c76c0475 4929 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
5e9ad9e1 4930 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
c76c0475
MC		 4931 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4932
6f743ca0 4933 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
c76c0475
MC		 4934 (bp->tx_quick_cons_trip_int << 16) |
4935 bp->tx_quick_cons_trip);
4936
6f743ca0 4937 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
c76c0475
MC		 4938 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4939
5e9ad9e1
MC		 4940 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4941 (bp->rx_quick_cons_trip_int << 16) |
4942 bp->rx_quick_cons_trip);
8e6a72c4 4943
5e9ad9e1
MC		 4944 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4945 (bp->rx_ticks_int << 16) | bp->rx_ticks);
4946 }
8e6a72c4 4947
b6016b76
MC		 4948 /* Clear internal stats counters. */
4949 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4950
da3e4fbe 4951 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
b6016b76
MC		 4952
4953 /* Initialize the receive filter. */
4954 bnx2_set_rx_mode(bp->dev);
4955
0aa38df7
MC		 4956 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4957 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4958 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4959 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4960 }
b090ae2b 4961 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
a2f13890 4962 1, 0);
b6016b76 4963
df149d70 4964 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
b6016b76
MC		 4965 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4966
4967 udelay(20);
4968
bf5295bb
MC		 4969 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4970
b090ae2b 4971 return rc;
b6016b76
MC		 4972}
4973
c76c0475
MC		 4974static void
4975bnx2_clear_ring_states(struct bnx2 *bp)
4976{
4977 struct bnx2_napi *bnapi;
35e9010b 4978 struct bnx2_tx_ring_info *txr;
bb4f98ab 4979 struct bnx2_rx_ring_info *rxr;
c76c0475
MC		 4980 int i;
4981
4982 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4983 bnapi = &bp->bnx2_napi[i];
35e9010b 4984 txr = &bnapi->tx_ring;
bb4f98ab 4985 rxr = &bnapi->rx_ring;
c76c0475 4986
35e9010b
MC		 4987 txr->tx_cons = 0;
4988 txr->hw_tx_cons = 0;
bb4f98ab
MC		 4989 rxr->rx_prod_bseq = 0;
4990 rxr->rx_prod = 0;
4991 rxr->rx_cons = 0;
4992 rxr->rx_pg_prod = 0;
4993 rxr->rx_pg_cons = 0;
c76c0475
MC		 4994 }
4995}
4996
59b47d8a 4997static void
35e9010b 4998bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
59b47d8a
MC		 4999{
5000 u32 val, offset0, offset1, offset2, offset3;
62a8313c 5001 u32 cid_addr = GET_CID_ADDR(cid);
59b47d8a
MC		 5002
5003 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5004 offset0 = BNX2_L2CTX_TYPE_XI;
5005 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5006 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5007 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5008 } else {
5009 offset0 = BNX2_L2CTX_TYPE;
5010 offset1 = BNX2_L2CTX_CMD_TYPE;
5011 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5012 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5013 }
5014 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
62a8313c 5015 bnx2_ctx_wr(bp, cid_addr, offset0, val);
59b47d8a
MC		 5016
5017 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
62a8313c 5018 bnx2_ctx_wr(bp, cid_addr, offset1, val);
59b47d8a 5019
35e9010b 5020 val = (u64) txr->tx_desc_mapping >> 32;
62a8313c 5021 bnx2_ctx_wr(bp, cid_addr, offset2, val);
59b47d8a 5022
35e9010b 5023 val = (u64) txr->tx_desc_mapping & 0xffffffff;
62a8313c 5024 bnx2_ctx_wr(bp, cid_addr, offset3, val);
59b47d8a 5025}
b6016b76
MC		 5026
5027static void
35e9010b 5028bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
b6016b76
MC		 5029{
5030 struct tx_bd *txbd;
c76c0475
MC		 5031 u32 cid = TX_CID;
5032 struct bnx2_napi *bnapi;
35e9010b 5033 struct bnx2_tx_ring_info *txr;
c76c0475 5034
35e9010b
MC		 5035 bnapi = &bp->bnx2_napi[ring_num];
5036 txr = &bnapi->tx_ring;
5037
5038 if (ring_num == 0)
5039 cid = TX_CID;
5040 else
5041 cid = TX_TSS_CID + ring_num - 1;
b6016b76 5042
2f8af120
MC		 5043 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5044
35e9010b 5045 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
6aa20a22 5046
35e9010b
MC		 5047 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5048 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
b6016b76 5049
35e9010b
MC		 5050 txr->tx_prod = 0;
5051 txr->tx_prod_bseq = 0;
6aa20a22 5052
35e9010b
MC		 5053 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5054 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
b6016b76 5055
35e9010b 5056 bnx2_init_tx_context(bp, cid, txr);
b6016b76
MC		 5057}
5058
5059static void
5d5d0015
MC		 5060bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
5061 int num_rings)
b6016b76 5062{
b6016b76 5063 int i;
5d5d0015 5064 struct rx_bd *rxbd;
6aa20a22 5065
5d5d0015 5066 for (i = 0; i < num_rings; i++) {
13daffa2 5067 int j;
b6016b76 5068
5d5d0015 5069 rxbd = &rx_ring[i][0];
13daffa2 5070 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
5d5d0015 5071 rxbd->rx_bd_len = buf_size;
13daffa2
MC		 5072 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5073 }
5d5d0015 5074 if (i == (num_rings - 1))
13daffa2
MC		 5075 j = 0;
5076 else
5077 j = i + 1;
5d5d0015
MC		 5078 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5079 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
13daffa2 5080 }
5d5d0015
MC		 5081}
5082
5083static void
bb4f98ab 5084bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
5d5d0015
MC		 5085{
5086 int i;
5087 u16 prod, ring_prod;
bb4f98ab
MC		 5088 u32 cid, rx_cid_addr, val;
5089 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5090 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5091
5092 if (ring_num == 0)
5093 cid = RX_CID;
5094 else
5095 cid = RX_RSS_CID + ring_num - 1;
5096
5097 rx_cid_addr = GET_CID_ADDR(cid);
5d5d0015 5098
bb4f98ab 5099 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
5d5d0015
MC		 5100 bp->rx_buf_use_size, bp->rx_max_ring);
5101
bb4f98ab 5102 bnx2_init_rx_context(bp, cid);
83e3fc89
MC		 5103
5104 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5105 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
5106 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
5107 }
5108
62a8313c 5109 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
47bf4246 5110 if (bp->rx_pg_ring_size) {
bb4f98ab
MC		 5111 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5112 rxr->rx_pg_desc_mapping,
47bf4246
MC		 5113 PAGE_SIZE, bp->rx_max_pg_ring);
5114 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
62a8313c
MC		 5115 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5116 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
5e9ad9e1 5117 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
47bf4246 5118
bb4f98ab 5119 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
62a8313c 5120 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
47bf4246 5121
bb4f98ab 5122 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
62a8313c 5123 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
47bf4246
MC		 5124
5125 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5126 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
5127 }
b6016b76 5128
bb4f98ab 5129 val = (u64) rxr->rx_desc_mapping[0] >> 32;
62a8313c 5130 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
b6016b76 5131
bb4f98ab 5132 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
62a8313c 5133 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
b6016b76 5134
bb4f98ab 5135 ring_prod = prod = rxr->rx_pg_prod;
47bf4246 5136 for (i = 0; i < bp->rx_pg_ring_size; i++) {
a2df00aa 5137 if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
3a9c6a49
JP		 5138 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5139 ring_num, i, bp->rx_pg_ring_size);
47bf4246 5140 break;
b929e53c 5141 }
47bf4246
MC		 5142 prod = NEXT_RX_BD(prod);
5143 ring_prod = RX_PG_RING_IDX(prod);
5144 }
bb4f98ab 5145 rxr->rx_pg_prod = prod;
47bf4246 5146
bb4f98ab 5147 ring_prod = prod = rxr->rx_prod;
236b6394 5148 for (i = 0; i < bp->rx_ring_size; i++) {
a2df00aa 5149 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
3a9c6a49
JP		 5150 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5151 ring_num, i, bp->rx_ring_size);
b6016b76 5152 break;
b929e53c 5153 }
b6016b76
MC		 5154 prod = NEXT_RX_BD(prod);
5155 ring_prod = RX_RING_IDX(prod);
5156 }
bb4f98ab 5157 rxr->rx_prod = prod;
b6016b76 5158
bb4f98ab
MC		 5159 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5160 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5161 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
b6016b76 5162
bb4f98ab
MC		 5163 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5164 REG_WR16(bp, rxr->rx_bidx_addr, prod);
5165
5166 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
b6016b76
MC		 5167}
5168
35e9010b
MC		 5169static void
5170bnx2_init_all_rings(struct bnx2 *bp)
5171{
5172 int i;
5e9ad9e1 5173 u32 val;
35e9010b
MC		 5174
5175 bnx2_clear_ring_states(bp);
5176
5177 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
5178 for (i = 0; i < bp->num_tx_rings; i++)
5179 bnx2_init_tx_ring(bp, i);
5180
5181 if (bp->num_tx_rings > 1)
5182 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5183 (TX_TSS_CID << 7));
5184
5e9ad9e1
MC		 5185 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5186 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5187
bb4f98ab
MC		 5188 for (i = 0; i < bp->num_rx_rings; i++)
5189 bnx2_init_rx_ring(bp, i);
5e9ad9e1
MC		 5190
5191 if (bp->num_rx_rings > 1) {
22fa159d 5192 u32 tbl_32 = 0;
5e9ad9e1
MC		 5193
5194 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
22fa159d
MC		 5195 int shift = (i % 8) << 2;
5196
5197 tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
5198 if ((i % 8) == 7) {
5199 REG_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
5200 REG_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
5201 BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
5202 BNX2_RLUP_RSS_COMMAND_WRITE |
5203 BNX2_RLUP_RSS_COMMAND_HASH_MASK);
5204 tbl_32 = 0;
5205 }
5e9ad9e1
MC		 5206 }
5207
5208 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5209 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5210
5211 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5212
5213 }
35e9010b
MC		 5214}
5215
5d5d0015 5216static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
13daffa2 5217{
5d5d0015 5218 u32 max, num_rings = 1;
13daffa2 5219
5d5d0015
MC		 5220 while (ring_size > MAX_RX_DESC_CNT) {
5221 ring_size -= MAX_RX_DESC_CNT;
13daffa2
MC		 5222 num_rings++;
5223 }
5224 /* round to next power of 2 */
5d5d0015 5225 max = max_size;
13daffa2
MC		 5226 while ((max & num_rings) == 0)
5227 max >>= 1;
5228
5229 if (num_rings != max)
5230 max <<= 1;
5231
5d5d0015
MC		 5232 return max;
5233}
5234
5235static void
5236bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5237{
84eaa187 5238 u32 rx_size, rx_space, jumbo_size;
5d5d0015
MC		 5239
5240 /* 8 for CRC and VLAN */
d89cb6af 5241 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
5d5d0015 5242
84eaa187
MC		 5243 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
5244 sizeof(struct skb_shared_info);
5245
601d3d18 5246 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
47bf4246
MC		 5247 bp->rx_pg_ring_size = 0;
5248 bp->rx_max_pg_ring = 0;
5249 bp->rx_max_pg_ring_idx = 0;
f86e82fb 5250 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
84eaa187
MC		 5251 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5252
5253 jumbo_size = size * pages;
5254 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
5255 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
5256
5257 bp->rx_pg_ring_size = jumbo_size;
5258 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
5259 MAX_RX_PG_RINGS);
5260 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
601d3d18 5261 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
84eaa187
MC		 5262 bp->rx_copy_thresh = 0;
5263 }
5d5d0015
MC		 5264
5265 bp->rx_buf_use_size = rx_size;
5266 /* hw alignment */
5267 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
d89cb6af 5268 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5d5d0015
MC		 5269 bp->rx_ring_size = size;
5270 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
13daffa2
MC		 5271 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5272}
5273
b6016b76
MC		 5274static void
5275bnx2_free_tx_skbs(struct bnx2 *bp)
5276{
5277 int i;
5278
35e9010b
MC		 5279 for (i = 0; i < bp->num_tx_rings; i++) {
5280 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5281 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5282 int j;
b6016b76 5283
35e9010b 5284 if (txr->tx_buf_ring == NULL)
b6016b76 5285 continue;
b6016b76 5286
35e9010b 5287 for (j = 0; j < TX_DESC_CNT; ) {
3d16af86 5288 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
35e9010b 5289 struct sk_buff *skb = tx_buf->skb;
e95524a7 5290 int k, last;
35e9010b
MC		 5291
5292 if (skb == NULL) {
5293 j++;
5294 continue;
5295 }
5296
36227e88 5297 dma_unmap_single(&bp->pdev->dev,
1a4ccc2d 5298 dma_unmap_addr(tx_buf, mapping),
e95524a7
AD		 5299 skb_headlen(skb),
5300 PCI_DMA_TODEVICE);
b6016b76 5301
35e9010b 5302 tx_buf->skb = NULL;
b6016b76 5303
e95524a7
AD		 5304 last = tx_buf->nr_frags;
5305 j++;
5306 for (k = 0; k < last; k++, j++) {
5307 tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
36227e88 5308 dma_unmap_page(&bp->pdev->dev,
1a4ccc2d 5309 dma_unmap_addr(tx_buf, mapping),
e95524a7
AD		 5310 skb_shinfo(skb)->frags[k].size,
5311 PCI_DMA_TODEVICE);
5312 }
35e9010b 5313 dev_kfree_skb(skb);
b6016b76 5314 }
b6016b76 5315 }
b6016b76
MC		 5316}
5317
5318static void
5319bnx2_free_rx_skbs(struct bnx2 *bp)
5320{
5321 int i;
5322
bb4f98ab
MC		 5323 for (i = 0; i < bp->num_rx_rings; i++) {
5324 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5325 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5326 int j;
b6016b76 5327
bb4f98ab
MC		 5328 if (rxr->rx_buf_ring == NULL)
5329 return;
b6016b76 5330
bb4f98ab
MC		 5331 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5332 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5333 struct sk_buff *skb = rx_buf->skb;
b6016b76 5334
bb4f98ab
MC		 5335 if (skb == NULL)
5336 continue;
b6016b76 5337
36227e88 5338 dma_unmap_single(&bp->pdev->dev,
1a4ccc2d 5339 dma_unmap_addr(rx_buf, mapping),
bb4f98ab
MC		 5340 bp->rx_buf_use_size,
5341 PCI_DMA_FROMDEVICE);
b6016b76 5342
bb4f98ab
MC		 5343 rx_buf->skb = NULL;
5344
5345 dev_kfree_skb(skb);
5346 }
5347 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5348 bnx2_free_rx_page(bp, rxr, j);
b6016b76
MC		 5349 }
5350}
5351
5352static void
5353bnx2_free_skbs(struct bnx2 *bp)
5354{
5355 bnx2_free_tx_skbs(bp);
5356 bnx2_free_rx_skbs(bp);
5357}
5358
5359static int
5360bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5361{
5362 int rc;
5363
5364 rc = bnx2_reset_chip(bp, reset_code);
5365 bnx2_free_skbs(bp);
5366 if (rc)
5367 return rc;
5368
fba9fe91
MC		 5369 if ((rc = bnx2_init_chip(bp)) != 0)
5370 return rc;
5371
35e9010b 5372 bnx2_init_all_rings(bp);
b6016b76
MC		 5373 return 0;
5374}
5375
5376static int
9a120bc5 5377bnx2_init_nic(struct bnx2 *bp, int reset_phy)
b6016b76
MC		 5378{
5379 int rc;
5380
5381 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5382 return rc;
5383
80be4434 5384 spin_lock_bh(&bp->phy_lock);
9a120bc5 5385 bnx2_init_phy(bp, reset_phy);
b6016b76 5386 bnx2_set_link(bp);
543a827d
MC		 5387 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5388 bnx2_remote_phy_event(bp);
0d8a6571 5389 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 5390 return 0;
5391}
5392
74bf4ba3
MC		 5393static int
5394bnx2_shutdown_chip(struct bnx2 *bp)
5395{
5396 u32 reset_code;
5397
5398 if (bp->flags & BNX2_FLAG_NO_WOL)
5399 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5400 else if (bp->wol)
5401 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5402 else
5403 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5404
5405 return bnx2_reset_chip(bp, reset_code);
5406}
5407
b6016b76
MC		 5408static int
5409bnx2_test_registers(struct bnx2 *bp)
5410{
5411 int ret;
5bae30c9 5412 int i, is_5709;
f71e1309 5413 static const struct {
b6016b76
MC		 5414 u16 offset;
5415 u16 flags;
5bae30c9 5416#define BNX2_FL_NOT_5709 1
b6016b76
MC		 5417 u32 rw_mask;
5418 u32 ro_mask;
5419 } reg_tbl[] = {
5420 { 0x006c, 0, 0x00000000, 0x0000003f },
5421 { 0x0090, 0, 0xffffffff, 0x00000000 },
5422 { 0x0094, 0, 0x00000000, 0x00000000 },
5423
5bae30c9
MC		 5424 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5425 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5426 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5427 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5428 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5429 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5430 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5431 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5432 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5433
5434 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5435 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5436 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5437 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5438 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5439 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5440
5441 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5442 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5443 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
b6016b76
MC		 5444
5445 { 0x1000, 0, 0x00000000, 0x00000001 },
15b169cc 5446 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
b6016b76
MC		 5447
5448 { 0x1408, 0, 0x01c00800, 0x00000000 },
5449 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5450 { 0x14a8, 0, 0x00000000, 0x000001ff },
5b0c76ad 5451 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
b6016b76
MC		 5452 { 0x14b0, 0, 0x00000002, 0x00000001 },
5453 { 0x14b8, 0, 0x00000000, 0x00000000 },
5454 { 0x14c0, 0, 0x00000000, 0x00000009 },
5455 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5456 { 0x14cc, 0, 0x00000000, 0x00000001 },
5457 { 0x14d0, 0, 0xffffffff, 0x00000000 },
b6016b76
MC		 5458
5459 { 0x1800, 0, 0x00000000, 0x00000001 },
5460 { 0x1804, 0, 0x00000000, 0x00000003 },
b6016b76
MC		 5461
5462 { 0x2800, 0, 0x00000000, 0x00000001 },
5463 { 0x2804, 0, 0x00000000, 0x00003f01 },
5464 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5465 { 0x2810, 0, 0xffff0000, 0x00000000 },
5466 { 0x2814, 0, 0xffff0000, 0x00000000 },
5467 { 0x2818, 0, 0xffff0000, 0x00000000 },
5468 { 0x281c, 0, 0xffff0000, 0x00000000 },
5469 { 0x2834, 0, 0xffffffff, 0x00000000 },
5470 { 0x2840, 0, 0x00000000, 0xffffffff },
5471 { 0x2844, 0, 0x00000000, 0xffffffff },
5472 { 0x2848, 0, 0xffffffff, 0x00000000 },
5473 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5474
5475 { 0x2c00, 0, 0x00000000, 0x00000011 },
5476 { 0x2c04, 0, 0x00000000, 0x00030007 },
5477
b6016b76
MC		 5478 { 0x3c00, 0, 0x00000000, 0x00000001 },
5479 { 0x3c04, 0, 0x00000000, 0x00070000 },
5480 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5481 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5482 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5483 { 0x3c14, 0, 0x00000000, 0xffffffff },
5484 { 0x3c18, 0, 0x00000000, 0xffffffff },
5485 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5486 { 0x3c20, 0, 0xffffff00, 0x00000000 },
b6016b76
MC		 5487
5488 { 0x5004, 0, 0x00000000, 0x0000007f },
5489 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
b6016b76 5490
b6016b76
MC		 5491 { 0x5c00, 0, 0x00000000, 0x00000001 },
5492 { 0x5c04, 0, 0x00000000, 0x0003000f },
5493 { 0x5c08, 0, 0x00000003, 0x00000000 },
5494 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5495 { 0x5c10, 0, 0x00000000, 0xffffffff },
5496 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5497 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5498 { 0x5c88, 0, 0x00000000, 0x00077373 },
5499 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5500
5501 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5502 { 0x680c, 0, 0xffffffff, 0x00000000 },
5503 { 0x6810, 0, 0xffffffff, 0x00000000 },
5504 { 0x6814, 0, 0xffffffff, 0x00000000 },
5505 { 0x6818, 0, 0xffffffff, 0x00000000 },
5506 { 0x681c, 0, 0xffffffff, 0x00000000 },
5507 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5508 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5509 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5510 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5511 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5512 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5513 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5514 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5515 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5516 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5517 { 0x684c, 0, 0xffffffff, 0x00000000 },
5518 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5519 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5520 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5521 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5522 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5523 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5524
5525 { 0xffff, 0, 0x00000000, 0x00000000 },
5526 };
5527
5528 ret = 0;
5bae30c9
MC		 5529 is_5709 = 0;
5530 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5531 is_5709 = 1;
5532
b6016b76
MC		 5533 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5534 u32 offset, rw_mask, ro_mask, save_val, val;
5bae30c9
MC		 5535 u16 flags = reg_tbl[i].flags;
5536
5537 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5538 continue;
b6016b76
MC		 5539
5540 offset = (u32) reg_tbl[i].offset;
5541 rw_mask = reg_tbl[i].rw_mask;
5542 ro_mask = reg_tbl[i].ro_mask;
5543
14ab9b86 5544 save_val = readl(bp->regview + offset);
b6016b76 5545
14ab9b86 5546 writel(0, bp->regview + offset);
b6016b76 5547
14ab9b86 5548 val = readl(bp->regview + offset);
b6016b76
MC		 5549 if ((val & rw_mask) != 0) {
5550 goto reg_test_err;
5551 }
5552
5553 if ((val & ro_mask) != (save_val & ro_mask)) {
5554 goto reg_test_err;
5555 }
5556
14ab9b86 5557 writel(0xffffffff, bp->regview + offset);
b6016b76 5558
14ab9b86 5559 val = readl(bp->regview + offset);
b6016b76
MC		 5560 if ((val & rw_mask) != rw_mask) {
5561 goto reg_test_err;
5562 }
5563
5564 if ((val & ro_mask) != (save_val & ro_mask)) {
5565 goto reg_test_err;
5566 }
5567
14ab9b86 5568 writel(save_val, bp->regview + offset);
b6016b76
MC		 5569 continue;
5570
5571reg_test_err:
14ab9b86 5572 writel(save_val, bp->regview + offset);
b6016b76
MC		 5573 ret = -ENODEV;
5574 break;
5575 }
5576 return ret;
5577}
5578
5579static int
5580bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5581{
f71e1309 5582 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
b6016b76
MC		 5583 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5584 int i;
5585
5586 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5587 u32 offset;
5588
5589 for (offset = 0; offset < size; offset += 4) {
5590
2726d6e1 5591 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
b6016b76 5592
2726d6e1 5593 if (bnx2_reg_rd_ind(bp, start + offset) !=
b6016b76
MC		 5594 test_pattern[i]) {
5595 return -ENODEV;
5596 }
5597 }
5598 }
5599 return 0;
5600}
5601
5602static int
5603bnx2_test_memory(struct bnx2 *bp)
5604{
5605 int ret = 0;
5606 int i;
5bae30c9 5607 static struct mem_entry {
b6016b76
MC		 5608 u32 offset;
5609 u32 len;
5bae30c9 5610 } mem_tbl_5706[] = {
b6016b76 5611 { 0x60000, 0x4000 },
5b0c76ad 5612 { 0xa0000, 0x3000 },
b6016b76
MC		 5613 { 0xe0000, 0x4000 },
5614 { 0x120000, 0x4000 },
5615 { 0x1a0000, 0x4000 },
5616 { 0x160000, 0x4000 },
5617 { 0xffffffff, 0 },
5bae30c9
MC		 5618 },
5619 mem_tbl_5709[] = {
5620 { 0x60000, 0x4000 },
5621 { 0xa0000, 0x3000 },
5622 { 0xe0000, 0x4000 },
5623 { 0x120000, 0x4000 },
5624 { 0x1a0000, 0x4000 },
5625 { 0xffffffff, 0 },
b6016b76 5626 };
5bae30c9
MC		 5627 struct mem_entry *mem_tbl;
5628
5629 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5630 mem_tbl = mem_tbl_5709;
5631 else
5632 mem_tbl = mem_tbl_5706;
b6016b76
MC		 5633
5634 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5635 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5636 mem_tbl[i].len)) != 0) {
5637 return ret;
5638 }
5639 }
6aa20a22 5640
b6016b76
MC		 5641 return ret;
5642}
5643
bc5a0690
MC		 5644#define BNX2_MAC_LOOPBACK 0
5645#define BNX2_PHY_LOOPBACK 1
5646
b6016b76 5647static int
bc5a0690 5648bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
b6016b76
MC		 5649{
5650 unsigned int pkt_size, num_pkts, i;
5651 struct sk_buff *skb, *rx_skb;
5652 unsigned char *packet;
bc5a0690 5653 u16 rx_start_idx, rx_idx;
b6016b76
MC		 5654 dma_addr_t map;
5655 struct tx_bd *txbd;
5656 struct sw_bd *rx_buf;
5657 struct l2_fhdr *rx_hdr;
5658 int ret = -ENODEV;
c76c0475 5659 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
35e9010b 5660 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
bb4f98ab 5661 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
c76c0475
MC		 5662
5663 tx_napi = bnapi;
b6016b76 5664
35e9010b 5665 txr = &tx_napi->tx_ring;
bb4f98ab 5666 rxr = &bnapi->rx_ring;
bc5a0690
MC		 5667 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5668 bp->loopback = MAC_LOOPBACK;
5669 bnx2_set_mac_loopback(bp);
5670 }
5671 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
583c28e5 5672 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
489310a4
MC		 5673 return 0;
5674
80be4434 5675 bp->loopback = PHY_LOOPBACK;
bc5a0690
MC		 5676 bnx2_set_phy_loopback(bp);
5677 }
5678 else
5679 return -EINVAL;
b6016b76 5680
84eaa187 5681 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
932f3772 5682 skb = netdev_alloc_skb(bp->dev, pkt_size);
b6cbc3b6
JL		 5683 if (!skb)
5684 return -ENOMEM;
b6016b76 5685 packet = skb_put(skb, pkt_size);
6634292b 5686 memcpy(packet, bp->dev->dev_addr, 6);
b6016b76
MC		 5687 memset(packet + 6, 0x0, 8);
5688 for (i = 14; i < pkt_size; i++)
5689 packet[i] = (unsigned char) (i & 0xff);
5690
36227e88
SG		 5691 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
5692 PCI_DMA_TODEVICE);
5693 if (dma_mapping_error(&bp->pdev->dev, map)) {
3d16af86
BL		 5694 dev_kfree_skb(skb);
5695 return -EIO;
5696 }
b6016b76 5697
bf5295bb
MC		 5698 REG_WR(bp, BNX2_HC_COMMAND,
5699 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5700
b6016b76
MC		 5701 REG_RD(bp, BNX2_HC_COMMAND);
5702
5703 udelay(5);
35efa7c1 5704 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
b6016b76 5705
b6016b76
MC		 5706 num_pkts = 0;
5707
35e9010b 5708 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
b6016b76
MC		 5709
5710 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5711 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5712 txbd->tx_bd_mss_nbytes = pkt_size;
5713 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5714
5715 num_pkts++;
35e9010b
MC		 5716 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5717 txr->tx_prod_bseq += pkt_size;
b6016b76 5718
35e9010b
MC		 5719 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5720 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
b6016b76
MC		 5721
5722 udelay(100);
5723
bf5295bb
MC		 5724 REG_WR(bp, BNX2_HC_COMMAND,
5725 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5726
b6016b76
MC		 5727 REG_RD(bp, BNX2_HC_COMMAND);
5728
5729 udelay(5);
5730
36227e88 5731 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
745720e5 5732 dev_kfree_skb(skb);
b6016b76 5733
35e9010b 5734 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
b6016b76 5735 goto loopback_test_done;
b6016b76 5736
35efa7c1 5737 rx_idx = bnx2_get_hw_rx_cons(bnapi);
b6016b76
MC		 5738 if (rx_idx != rx_start_idx + num_pkts) {
5739 goto loopback_test_done;
5740 }
5741
bb4f98ab 5742 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
b6016b76
MC		 5743 rx_skb = rx_buf->skb;
5744
a33fa66b 5745 rx_hdr = rx_buf->desc;
d89cb6af 5746 skb_reserve(rx_skb, BNX2_RX_OFFSET);
b6016b76 5747
36227e88 5748 dma_sync_single_for_cpu(&bp->pdev->dev,
1a4ccc2d 5749 dma_unmap_addr(rx_buf, mapping),
b6016b76
MC		 5750 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5751
ade2bfe7 5752 if (rx_hdr->l2_fhdr_status &
b6016b76
MC		 5753 (L2_FHDR_ERRORS_BAD_CRC |
5754 L2_FHDR_ERRORS_PHY_DECODE |
5755 L2_FHDR_ERRORS_ALIGNMENT |
5756 L2_FHDR_ERRORS_TOO_SHORT |
5757 L2_FHDR_ERRORS_GIANT_FRAME)) {
5758
5759 goto loopback_test_done;
5760 }
5761
5762 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5763 goto loopback_test_done;
5764 }
5765
5766 for (i = 14; i < pkt_size; i++) {
5767 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5768 goto loopback_test_done;
5769 }
5770 }
5771
5772 ret = 0;
5773
5774loopback_test_done:
5775 bp->loopback = 0;
5776 return ret;
5777}
5778
bc5a0690
MC		 5779#define BNX2_MAC_LOOPBACK_FAILED 1
5780#define BNX2_PHY_LOOPBACK_FAILED 2
5781#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5782 BNX2_PHY_LOOPBACK_FAILED)
5783
5784static int
5785bnx2_test_loopback(struct bnx2 *bp)
5786{
5787 int rc = 0;
5788
5789 if (!netif_running(bp->dev))
5790 return BNX2_LOOPBACK_FAILED;
5791
5792 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5793 spin_lock_bh(&bp->phy_lock);
9a120bc5 5794 bnx2_init_phy(bp, 1);
bc5a0690
MC		 5795 spin_unlock_bh(&bp->phy_lock);
5796 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5797 rc |= BNX2_MAC_LOOPBACK_FAILED;
5798 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5799 rc |= BNX2_PHY_LOOPBACK_FAILED;
5800 return rc;
5801}
5802
b6016b76
MC		 5803#define NVRAM_SIZE 0x200
5804#define CRC32_RESIDUAL 0xdebb20e3
5805
5806static int
5807bnx2_test_nvram(struct bnx2 *bp)
5808{
b491edd5 5809 __be32 buf[NVRAM_SIZE / 4];
b6016b76
MC		 5810 u8 *data = (u8 *) buf;
5811 int rc = 0;
5812 u32 magic, csum;
5813
5814 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5815 goto test_nvram_done;
5816
5817 magic = be32_to_cpu(buf[0]);
5818 if (magic != 0x669955aa) {
5819 rc = -ENODEV;
5820 goto test_nvram_done;
5821 }
5822
5823 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5824 goto test_nvram_done;
5825
5826 csum = ether_crc_le(0x100, data);
5827 if (csum != CRC32_RESIDUAL) {
5828 rc = -ENODEV;
5829 goto test_nvram_done;
5830 }
5831
5832 csum = ether_crc_le(0x100, data + 0x100);
5833 if (csum != CRC32_RESIDUAL) {
5834 rc = -ENODEV;
5835 }
5836
5837test_nvram_done:
5838 return rc;
5839}
5840
5841static int
5842bnx2_test_link(struct bnx2 *bp)
5843{
5844 u32 bmsr;
5845
9f52b564
MC		 5846 if (!netif_running(bp->dev))
5847 return -ENODEV;
5848
583c28e5 5849 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
489310a4
MC		 5850 if (bp->link_up)
5851 return 0;
5852 return -ENODEV;
5853 }
c770a65c 5854 spin_lock_bh(&bp->phy_lock);
27a005b8
MC		 5855 bnx2_enable_bmsr1(bp);
5856 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5857 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5858 bnx2_disable_bmsr1(bp);
c770a65c 5859 spin_unlock_bh(&bp->phy_lock);
6aa20a22 5860
b6016b76
MC		 5861 if (bmsr & BMSR_LSTATUS) {
5862 return 0;
5863 }
5864 return -ENODEV;
5865}
5866
5867static int
5868bnx2_test_intr(struct bnx2 *bp)
5869{
5870 int i;
b6016b76
MC		 5871 u16 status_idx;
5872
5873 if (!netif_running(bp->dev))
5874 return -ENODEV;
5875
5876 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5877
5878 /* This register is not touched during run-time. */
bf5295bb 5879 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
b6016b76
MC		 5880 REG_RD(bp, BNX2_HC_COMMAND);
5881
5882 for (i = 0; i < 10; i++) {
5883 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5884 status_idx) {
5885
5886 break;
5887 }
5888
5889 msleep_interruptible(10);
5890 }
5891 if (i < 10)
5892 return 0;
5893
5894 return -ENODEV;
5895}
5896
38ea3686 5897/* Determining link for parallel detection. */
b2fadeae
MC		 5898static int
5899bnx2_5706_serdes_has_link(struct bnx2 *bp)
5900{
5901 u32 mode_ctl, an_dbg, exp;
5902
38ea3686
MC		 5903 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5904 return 0;
5905
b2fadeae
MC		 5906 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5907 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5908
5909 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5910 return 0;
5911
5912 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5913 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5914 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5915
f3014c0c 5916 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
b2fadeae
MC		 5917 return 0;
5918
5919 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5920 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5921 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5922
5923 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5924 return 0;
5925
5926 return 1;
5927}
5928
b6016b76 5929static void
48b01e2d 5930bnx2_5706_serdes_timer(struct bnx2 *bp)
b6016b76 5931{
b2fadeae
MC		 5932 int check_link = 1;
5933
48b01e2d 5934 spin_lock(&bp->phy_lock);
b2fadeae 5935 if (bp->serdes_an_pending) {
48b01e2d 5936 bp->serdes_an_pending--;
b2fadeae
MC		 5937 check_link = 0;
5938 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
48b01e2d 5939 u32 bmcr;
b6016b76 5940
ac392abc 5941 bp->current_interval = BNX2_TIMER_INTERVAL;
cd339a0e 5942
ca58c3af 5943 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76 5944
48b01e2d 5945 if (bmcr & BMCR_ANENABLE) {
b2fadeae 5946 if (bnx2_5706_serdes_has_link(bp)) {
48b01e2d
MC		 5947 bmcr &= ~BMCR_ANENABLE;
5948 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
ca58c3af 5949 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
583c28e5 5950 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
48b01e2d 5951 }
b6016b76 5952 }
48b01e2d
MC		 5953 }
5954 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
583c28e5 5955 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
48b01e2d 5956 u32 phy2;
b6016b76 5957
48b01e2d
MC		 5958 bnx2_write_phy(bp, 0x17, 0x0f01);
5959 bnx2_read_phy(bp, 0x15, &phy2);
5960 if (phy2 & 0x20) {
5961 u32 bmcr;
cd339a0e 5962
ca58c3af 5963 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
48b01e2d 5964 bmcr |= BMCR_ANENABLE;
ca58c3af 5965 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
b6016b76 5966
583c28e5 5967 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
48b01e2d
MC		 5968 }
5969 } else
ac392abc 5970 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 5971
a2724e25 5972 if (check_link) {
b2fadeae
MC		 5973 u32 val;
5974
5975 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5976 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5977 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5978
a2724e25
MC		 5979 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5980 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5981 bnx2_5706s_force_link_dn(bp, 1);
5982 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5983 } else
5984 bnx2_set_link(bp);
5985 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5986 bnx2_set_link(bp);
b2fadeae 5987 }
48b01e2d
MC		 5988 spin_unlock(&bp->phy_lock);
5989}
b6016b76 5990
f8dd064e
MC		 5991static void
5992bnx2_5708_serdes_timer(struct bnx2 *bp)
5993{
583c28e5 5994 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
0d8a6571
MC		 5995 return;
5996
583c28e5 5997 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
f8dd064e
MC		 5998 bp->serdes_an_pending = 0;
5999 return;
6000 }
b6016b76 6001
f8dd064e
MC		 6002 spin_lock(&bp->phy_lock);
6003 if (bp->serdes_an_pending)
6004 bp->serdes_an_pending--;
6005 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6006 u32 bmcr;
b6016b76 6007
ca58c3af 6008 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
f8dd064e 6009 if (bmcr & BMCR_ANENABLE) {
605a9e20 6010 bnx2_enable_forced_2g5(bp);
40105c0b 6011 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
f8dd064e 6012 } else {
605a9e20 6013 bnx2_disable_forced_2g5(bp);
f8dd064e 6014 bp->serdes_an_pending = 2;
ac392abc 6015 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 6016 }
b6016b76 6017
f8dd064e 6018 } else
ac392abc 6019 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 6020
f8dd064e
MC		 6021 spin_unlock(&bp->phy_lock);
6022}
6023
48b01e2d
MC		 6024static void
6025bnx2_timer(unsigned long data)
6026{
6027 struct bnx2 *bp = (struct bnx2 *) data;
b6016b76 6028
48b01e2d
MC		 6029 if (!netif_running(bp->dev))
6030 return;
b6016b76 6031
48b01e2d
MC		 6032 if (atomic_read(&bp->intr_sem) != 0)
6033 goto bnx2_restart_timer;
b6016b76 6034
efba0180
MC		 6035 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6036 BNX2_FLAG_USING_MSI)
6037 bnx2_chk_missed_msi(bp);
6038
df149d70 6039 bnx2_send_heart_beat(bp);
b6016b76 6040
2726d6e1
MC		 6041 bp->stats_blk->stat_FwRxDrop =
6042 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
b6016b76 6043
02537b06 6044 /* workaround occasional corrupted counters */
61d9e3fa 6045 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
02537b06
MC		 6046 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6047 BNX2_HC_COMMAND_STATS_NOW);
6048
583c28e5 6049 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
f8dd064e
MC		 6050 if (CHIP_NUM(bp) == CHIP_NUM_5706)
6051 bnx2_5706_serdes_timer(bp);
27a005b8 6052 else
f8dd064e 6053 bnx2_5708_serdes_timer(bp);
b6016b76
MC		 6054 }
6055
6056bnx2_restart_timer:
cd339a0e 6057 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 6058}
6059
8e6a72c4
MC		 6060static int
6061bnx2_request_irq(struct bnx2 *bp)
6062{
6d866ffc 6063 unsigned long flags;
b4b36042
MC		 6064 struct bnx2_irq *irq;
6065 int rc = 0, i;
8e6a72c4 6066
f86e82fb 6067 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
6d866ffc
MC		 6068 flags = 0;
6069 else
6070 flags = IRQF_SHARED;
b4b36042
MC		 6071
6072 for (i = 0; i < bp->irq_nvecs; i++) {
6073 irq = &bp->irq_tbl[i];
c76c0475 6074 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
f0ea2e63 6075 &bp->bnx2_napi[i]);
b4b36042
MC		 6076 if (rc)
6077 break;
6078 irq->requested = 1;
6079 }
8e6a72c4
MC		 6080 return rc;
6081}
6082
6083static void
6084bnx2_free_irq(struct bnx2 *bp)
6085{
b4b36042
MC		 6086 struct bnx2_irq *irq;
6087 int i;
8e6a72c4 6088
b4b36042
MC		 6089 for (i = 0; i < bp->irq_nvecs; i++) {
6090 irq = &bp->irq_tbl[i];
6091 if (irq->requested)
f0ea2e63 6092 free_irq(irq->vector, &bp->bnx2_napi[i]);
b4b36042 6093 irq->requested = 0;
6d866ffc 6094 }
f86e82fb 6095 if (bp->flags & BNX2_FLAG_USING_MSI)
b4b36042 6096 pci_disable_msi(bp->pdev);
f86e82fb 6097 else if (bp->flags & BNX2_FLAG_USING_MSIX)
b4b36042
MC		 6098 pci_disable_msix(bp->pdev);
6099
f86e82fb 6100 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
b4b36042
MC		 6101}
6102
6103static void
5e9ad9e1 6104bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
b4b36042 6105{
379b39a2 6106 int i, total_vecs, rc;
57851d84 6107 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
4e1d0de9
MC		 6108 struct net_device *dev = bp->dev;
6109 const int len = sizeof(bp->irq_tbl[0].name);
57851d84 6110
b4b36042
MC		 6111 bnx2_setup_msix_tbl(bp);
6112 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6113 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6114 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
57851d84 6115
e2eb8e38
BL		 6116 /* Need to flush the previous three writes to ensure MSI-X
6117 * is setup properly */
6118 REG_RD(bp, BNX2_PCI_MSIX_CONTROL);
6119
57851d84
MC		 6120 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6121 msix_ent[i].entry = i;
6122 msix_ent[i].vector = 0;
6123 }
6124
379b39a2
MC		 6125 total_vecs = msix_vecs;
6126#ifdef BCM_CNIC
6127 total_vecs++;
6128#endif
6129 rc = -ENOSPC;
6130 while (total_vecs >= BNX2_MIN_MSIX_VEC) {
6131 rc = pci_enable_msix(bp->pdev, msix_ent, total_vecs);
6132 if (rc <= 0)
6133 break;
6134 if (rc > 0)
6135 total_vecs = rc;
6136 }
6137
57851d84
MC		 6138 if (rc != 0)
6139 return;
6140
379b39a2
MC		 6141 msix_vecs = total_vecs;
6142#ifdef BCM_CNIC
6143 msix_vecs--;
6144#endif
5e9ad9e1 6145 bp->irq_nvecs = msix_vecs;
f86e82fb 6146 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
379b39a2 6147 for (i = 0; i < total_vecs; i++) {
57851d84 6148 bp->irq_tbl[i].vector = msix_ent[i].vector;
69010313
MC		 6149 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6150 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6151 }
6d866ffc
MC		 6152}
6153
657d92fe 6154static int
6d866ffc
MC		 6155bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6156{
5e9ad9e1 6157 int cpus = num_online_cpus();
706bf240 6158 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
5e9ad9e1 6159
6d866ffc
MC		 6160 bp->irq_tbl[0].handler = bnx2_interrupt;
6161 strcpy(bp->irq_tbl[0].name, bp->dev->name);
b4b36042
MC		 6162 bp->irq_nvecs = 1;
6163 bp->irq_tbl[0].vector = bp->pdev->irq;
6164
3d5f3a7b 6165 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5e9ad9e1 6166 bnx2_enable_msix(bp, msix_vecs);
6d866ffc 6167
f86e82fb
DM		 6168 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6169 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
6d866ffc 6170 if (pci_enable_msi(bp->pdev) == 0) {
f86e82fb 6171 bp->flags |= BNX2_FLAG_USING_MSI;
6d866ffc 6172 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
f86e82fb 6173 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
6d866ffc
MC		 6174 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6175 } else
6176 bp->irq_tbl[0].handler = bnx2_msi;
b4b36042
MC		 6177
6178 bp->irq_tbl[0].vector = bp->pdev->irq;
6d866ffc
MC		 6179 }
6180 }
706bf240
BL		 6181
6182 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
657d92fe 6183 netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
706bf240 6184
5e9ad9e1 6185 bp->num_rx_rings = bp->irq_nvecs;
657d92fe 6186 return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
8e6a72c4
MC		 6187}
6188
b6016b76
MC		 6189/* Called with rtnl_lock */
6190static int
6191bnx2_open(struct net_device *dev)
6192{
972ec0d4 6193 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6194 int rc;
6195
1b2f922f
MC		 6196 netif_carrier_off(dev);
6197
829ca9a3 6198 bnx2_set_power_state(bp, PCI_D0);
b6016b76
MC		 6199 bnx2_disable_int(bp);
6200
657d92fe
BH		 6201 rc = bnx2_setup_int_mode(bp, disable_msi);
6202 if (rc)
6203 goto open_err;
4327ba43 6204 bnx2_init_napi(bp);
35e9010b 6205 bnx2_napi_enable(bp);
b6016b76 6206 rc = bnx2_alloc_mem(bp);
2739a8bb
MC		 6207 if (rc)
6208 goto open_err;
b6016b76 6209
8e6a72c4 6210 rc = bnx2_request_irq(bp);
2739a8bb
MC		 6211 if (rc)
6212 goto open_err;
b6016b76 6213
9a120bc5 6214 rc = bnx2_init_nic(bp, 1);
2739a8bb
MC		 6215 if (rc)
6216 goto open_err;
6aa20a22 6217
cd339a0e 6218 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 6219
6220 atomic_set(&bp->intr_sem, 0);
6221
354fcd77
MC		 6222 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6223
b6016b76
MC		 6224 bnx2_enable_int(bp);
6225
f86e82fb 6226 if (bp->flags & BNX2_FLAG_USING_MSI) {
b6016b76
MC		 6227 /* Test MSI to make sure it is working
6228 * If MSI test fails, go back to INTx mode
6229 */
6230 if (bnx2_test_intr(bp) != 0) {
3a9c6a49 6231 netdev_warn(bp->dev, "No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information.\n");
b6016b76
MC		 6232
6233 bnx2_disable_int(bp);
8e6a72c4 6234 bnx2_free_irq(bp);
b6016b76 6235
6d866ffc
MC		 6236 bnx2_setup_int_mode(bp, 1);
6237
9a120bc5 6238 rc = bnx2_init_nic(bp, 0);
b6016b76 6239
8e6a72c4
MC		 6240 if (!rc)
6241 rc = bnx2_request_irq(bp);
6242
b6016b76 6243 if (rc) {
b6016b76 6244 del_timer_sync(&bp->timer);
2739a8bb 6245 goto open_err;
b6016b76
MC		 6246 }
6247 bnx2_enable_int(bp);
6248 }
6249 }
f86e82fb 6250 if (bp->flags & BNX2_FLAG_USING_MSI)
3a9c6a49 6251 netdev_info(dev, "using MSI\n");
f86e82fb 6252 else if (bp->flags & BNX2_FLAG_USING_MSIX)
3a9c6a49 6253 netdev_info(dev, "using MSIX\n");
b6016b76 6254
706bf240 6255 netif_tx_start_all_queues(dev);
b6016b76
MC		 6256
6257 return 0;
2739a8bb
MC		 6258
6259open_err:
6260 bnx2_napi_disable(bp);
6261 bnx2_free_skbs(bp);
6262 bnx2_free_irq(bp);
6263 bnx2_free_mem(bp);
f048fa9c 6264 bnx2_del_napi(bp);
2739a8bb 6265 return rc;
b6016b76
MC		 6266}
6267
6268static void
c4028958 6269bnx2_reset_task(struct work_struct *work)
b6016b76 6270{
c4028958 6271 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
b6016b76 6272
51bf6bb4
MC		 6273 rtnl_lock();
6274 if (!netif_running(bp->dev)) {
6275 rtnl_unlock();
afdc08b9 6276 return;
51bf6bb4 6277 }
afdc08b9 6278
212f9934 6279 bnx2_netif_stop(bp, true);
b6016b76 6280
9a120bc5 6281 bnx2_init_nic(bp, 1);
b6016b76
MC		 6282
6283 atomic_set(&bp->intr_sem, 1);
212f9934 6284 bnx2_netif_start(bp, true);
51bf6bb4 6285 rtnl_unlock();
b6016b76
MC		 6286}
6287
20175c57
MC		 6288static void
6289bnx2_dump_state(struct bnx2 *bp)
6290{
6291 struct net_device *dev = bp->dev;
5804a8fb
MC		 6292 u32 mcp_p0, mcp_p1, val1, val2;
6293
6294 pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
6295 netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
6296 atomic_read(&bp->intr_sem), val1);
6297 pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
6298 pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
6299 netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
b98eba52 6300 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
3a9c6a49 6301 REG_RD(bp, BNX2_EMAC_TX_STATUS),
b98eba52
EW		 6302 REG_RD(bp, BNX2_EMAC_RX_STATUS));
6303 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
3a9c6a49 6304 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
b98eba52
EW		 6305 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6306 mcp_p0 = BNX2_MCP_STATE_P0;
6307 mcp_p1 = BNX2_MCP_STATE_P1;
6308 } else {
6309 mcp_p0 = BNX2_MCP_STATE_P0_5708;
6310 mcp_p1 = BNX2_MCP_STATE_P1_5708;
6311 }
3a9c6a49 6312 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
b98eba52 6313 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
3a9c6a49
JP		 6314 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
6315 REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
20175c57 6316 if (bp->flags & BNX2_FLAG_USING_MSIX)
3a9c6a49
JP		 6317 netdev_err(dev, "DEBUG: PBA[%08x]\n",
6318 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
20175c57
MC		 6319}
6320
b6016b76
MC		 6321static void
6322bnx2_tx_timeout(struct net_device *dev)
6323{
972ec0d4 6324 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6325
20175c57
MC		 6326 bnx2_dump_state(bp);
6327
b6016b76
MC		 6328 /* This allows the netif to be shutdown gracefully before resetting */
6329 schedule_work(&bp->reset_task);
6330}
6331
932ff279 6332/* Called with netif_tx_lock.
2f8af120
MC		 6333 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6334 * netif_wake_queue().
b6016b76 6335 */
61357325 6336static netdev_tx_t
b6016b76
MC		 6337bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6338{
972ec0d4 6339 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6340 dma_addr_t mapping;
6341 struct tx_bd *txbd;
3d16af86 6342 struct sw_tx_bd *tx_buf;
b6016b76
MC		 6343 u32 len, vlan_tag_flags, last_frag, mss;
6344 u16 prod, ring_prod;
6345 int i;
706bf240
BL		 6346 struct bnx2_napi *bnapi;
6347 struct bnx2_tx_ring_info *txr;
6348 struct netdev_queue *txq;
6349
6350 /* Determine which tx ring we will be placed on */
6351 i = skb_get_queue_mapping(skb);
6352 bnapi = &bp->bnx2_napi[i];
6353 txr = &bnapi->tx_ring;
6354 txq = netdev_get_tx_queue(dev, i);
b6016b76 6355
35e9010b 6356 if (unlikely(bnx2_tx_avail(bp, txr) <
a550c99b 6357 (skb_shinfo(skb)->nr_frags + 1))) {
706bf240 6358 netif_tx_stop_queue(txq);
3a9c6a49 6359 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
b6016b76
MC		 6360
6361 return NETDEV_TX_BUSY;
6362 }
6363 len = skb_headlen(skb);
35e9010b 6364 prod = txr->tx_prod;
b6016b76
MC		 6365 ring_prod = TX_RING_IDX(prod);
6366
6367 vlan_tag_flags = 0;
84fa7933 6368 if (skb->ip_summed == CHECKSUM_PARTIAL) {
b6016b76
MC		 6369 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6370 }
6371
eab6d18d 6372 if (vlan_tx_tag_present(skb)) {
b6016b76
MC		 6373 vlan_tag_flags |=
6374 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6375 }
7d0fd211 6376
fde82055 6377 if ((mss = skb_shinfo(skb)->gso_size)) {
a1efb4b6 6378 u32 tcp_opt_len;
eddc9ec5 6379 struct iphdr *iph;
b6016b76 6380
b6016b76
MC		 6381 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6382
4666f87a
MC		 6383 tcp_opt_len = tcp_optlen(skb);
6384
6385 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6386 u32 tcp_off = skb_transport_offset(skb) -
6387 sizeof(struct ipv6hdr) - ETH_HLEN;
ab6a5bb6 6388
4666f87a
MC		 6389 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6390 TX_BD_FLAGS_SW_FLAGS;
6391 if (likely(tcp_off == 0))
6392 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6393 else {
6394 tcp_off >>= 3;
6395 vlan_tag_flags |= ((tcp_off & 0x3) <<
6396 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6397 ((tcp_off & 0x10) <<
6398 TX_BD_FLAGS_TCP6_OFF4_SHL);
6399 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6400 }
6401 } else {
4666f87a 6402 iph = ip_hdr(skb);
4666f87a
MC		 6403 if (tcp_opt_len || (iph->ihl > 5)) {
6404 vlan_tag_flags |= ((iph->ihl - 5) +
6405 (tcp_opt_len >> 2)) << 8;
6406 }
b6016b76 6407 }
4666f87a 6408 } else
b6016b76 6409 mss = 0;
b6016b76 6410
36227e88
SG		 6411 mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
6412 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
3d16af86
BL		 6413 dev_kfree_skb(skb);
6414 return NETDEV_TX_OK;
6415 }
6416
35e9010b 6417 tx_buf = &txr->tx_buf_ring[ring_prod];
b6016b76 6418 tx_buf->skb = skb;
1a4ccc2d 6419 dma_unmap_addr_set(tx_buf, mapping, mapping);
b6016b76 6420
35e9010b 6421 txbd = &txr->tx_desc_ring[ring_prod];
b6016b76
MC		 6422
6423 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6424 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6425 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6426 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6427
6428 last_frag = skb_shinfo(skb)->nr_frags;
d62fda08
ED		 6429 tx_buf->nr_frags = last_frag;
6430 tx_buf->is_gso = skb_is_gso(skb);
b6016b76
MC		 6431
6432 for (i = 0; i < last_frag; i++) {
6433 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6434
6435 prod = NEXT_TX_BD(prod);
6436 ring_prod = TX_RING_IDX(prod);
35e9010b 6437 txbd = &txr->tx_desc_ring[ring_prod];
b6016b76
MC		 6438
6439 len = frag->size;
36227e88
SG		 6440 mapping = dma_map_page(&bp->pdev->dev, frag->page, frag->page_offset,
6441 len, PCI_DMA_TODEVICE);
6442 if (dma_mapping_error(&bp->pdev->dev, mapping))
e95524a7 6443 goto dma_error;
1a4ccc2d 6444 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
e95524a7 6445 mapping);
b6016b76
MC		 6446
6447 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6448 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6449 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6450 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6451
6452 }
6453 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6454
6455 prod = NEXT_TX_BD(prod);
35e9010b 6456 txr->tx_prod_bseq += skb->len;
b6016b76 6457
35e9010b
MC		 6458 REG_WR16(bp, txr->tx_bidx_addr, prod);
6459 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
b6016b76
MC		 6460
6461 mmiowb();
6462
35e9010b 6463 txr->tx_prod = prod;
b6016b76 6464
35e9010b 6465 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
706bf240 6466 netif_tx_stop_queue(txq);
11848b96
MC		 6467
6468 /* netif_tx_stop_queue() must be done before checking
6469 * tx index in bnx2_tx_avail() below, because in
6470 * bnx2_tx_int(), we update tx index before checking for
6471 * netif_tx_queue_stopped().
6472 */
6473 smp_mb();
35e9010b 6474 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
706bf240 6475 netif_tx_wake_queue(txq);
b6016b76
MC		 6476 }
6477
e95524a7
AD		 6478 return NETDEV_TX_OK;
6479dma_error:
6480 /* save value of frag that failed */
6481 last_frag = i;
6482
6483 /* start back at beginning and unmap skb */
6484 prod = txr->tx_prod;
6485 ring_prod = TX_RING_IDX(prod);
6486 tx_buf = &txr->tx_buf_ring[ring_prod];
6487 tx_buf->skb = NULL;
36227e88 6488 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
e95524a7
AD		 6489 skb_headlen(skb), PCI_DMA_TODEVICE);
6490
6491 /* unmap remaining mapped pages */
6492 for (i = 0; i < last_frag; i++) {
6493 prod = NEXT_TX_BD(prod);
6494 ring_prod = TX_RING_IDX(prod);
6495 tx_buf = &txr->tx_buf_ring[ring_prod];
36227e88 6496 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
e95524a7
AD		 6497 skb_shinfo(skb)->frags[i].size,
6498 PCI_DMA_TODEVICE);
6499 }
6500
6501 dev_kfree_skb(skb);
b6016b76
MC		 6502 return NETDEV_TX_OK;
6503}
6504
6505/* Called with rtnl_lock */
6506static int
6507bnx2_close(struct net_device *dev)
6508{
972ec0d4 6509 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6510
4bb073c0 6511 cancel_work_sync(&bp->reset_task);
afdc08b9 6512
bea3348e 6513 bnx2_disable_int_sync(bp);
35efa7c1 6514 bnx2_napi_disable(bp);
b6016b76 6515 del_timer_sync(&bp->timer);
74bf4ba3 6516 bnx2_shutdown_chip(bp);
8e6a72c4 6517 bnx2_free_irq(bp);
b6016b76
MC		 6518 bnx2_free_skbs(bp);
6519 bnx2_free_mem(bp);
f048fa9c 6520 bnx2_del_napi(bp);
b6016b76
MC		 6521 bp->link_up = 0;
6522 netif_carrier_off(bp->dev);
829ca9a3 6523 bnx2_set_power_state(bp, PCI_D3hot);
b6016b76
MC		 6524 return 0;
6525}
6526
354fcd77
MC		 6527static void
6528bnx2_save_stats(struct bnx2 *bp)
6529{
6530 u32 *hw_stats = (u32 *) bp->stats_blk;
6531 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6532 int i;
6533
6534 /* The 1st 10 counters are 64-bit counters */
6535 for (i = 0; i < 20; i += 2) {
6536 u32 hi;
6537 u64 lo;
6538
c9885fe5
PR		 6539 hi = temp_stats[i] + hw_stats[i];
6540 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
354fcd77
MC		 6541 if (lo > 0xffffffff)
6542 hi++;
c9885fe5
PR		 6543 temp_stats[i] = hi;
6544 temp_stats[i + 1] = lo & 0xffffffff;
354fcd77
MC		 6545 }
6546
6547 for ( ; i < sizeof(struct statistics_block) / 4; i++)
c9885fe5 6548 temp_stats[i] += hw_stats[i];
354fcd77
MC		 6549}
6550
5d07bf26
ED		 6551#define GET_64BIT_NET_STATS64(ctr) \
6552 (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
b6016b76 6553
a4743058 6554#define GET_64BIT_NET_STATS(ctr) \
354fcd77
MC		 6555 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6556 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
b6016b76 6557
a4743058 6558#define GET_32BIT_NET_STATS(ctr) \
354fcd77
MC		 6559 (unsigned long) (bp->stats_blk->ctr + \
6560 bp->temp_stats_blk->ctr)
a4743058 6561
5d07bf26
ED		 6562static struct rtnl_link_stats64 *
6563bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
b6016b76 6564{
972ec0d4 6565 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6566
5d07bf26 6567 if (bp->stats_blk == NULL)
b6016b76 6568 return net_stats;
5d07bf26 6569
b6016b76 6570 net_stats->rx_packets =
a4743058
MC		 6571 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6572 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6573 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
b6016b76
MC		 6574
6575 net_stats->tx_packets =
a4743058
MC		 6576 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6577 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6578 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
b6016b76
MC		 6579
6580 net_stats->rx_bytes =
a4743058 6581 GET_64BIT_NET_STATS(stat_IfHCInOctets);
b6016b76
MC		 6582
6583 net_stats->tx_bytes =
a4743058 6584 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
b6016b76 6585
6aa20a22 6586 net_stats->multicast =
6fdae995 6587 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
b6016b76 6588
6aa20a22 6589 net_stats->collisions =
a4743058 6590 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
b6016b76 6591
6aa20a22 6592 net_stats->rx_length_errors =
a4743058
MC		 6593 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6594 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
b6016b76 6595
6aa20a22 6596 net_stats->rx_over_errors =
a4743058
MC		 6597 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6598 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
b6016b76 6599
6aa20a22 6600 net_stats->rx_frame_errors =
a4743058 6601 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
b6016b76 6602
6aa20a22 6603 net_stats->rx_crc_errors =
a4743058 6604 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
b6016b76
MC		 6605
6606 net_stats->rx_errors = net_stats->rx_length_errors +
6607 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6608 net_stats->rx_crc_errors;
6609
6610 net_stats->tx_aborted_errors =
a4743058
MC		 6611 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6612 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
b6016b76 6613
5b0c76ad
MC		 6614 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6615 (CHIP_ID(bp) == CHIP_ID_5708_A0))
b6016b76
MC		 6616 net_stats->tx_carrier_errors = 0;
6617 else {
6618 net_stats->tx_carrier_errors =
a4743058 6619 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
b6016b76
MC		 6620 }
6621
6622 net_stats->tx_errors =
a4743058 6623 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
b6016b76
MC		 6624 net_stats->tx_aborted_errors +
6625 net_stats->tx_carrier_errors;
6626
cea94db9 6627 net_stats->rx_missed_errors =
a4743058
MC		 6628 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6629 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6630 GET_32BIT_NET_STATS(stat_FwRxDrop);
cea94db9 6631
b6016b76
MC		 6632 return net_stats;
6633}
6634
6635/* All ethtool functions called with rtnl_lock */
6636
6637static int
6638bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6639{
972ec0d4 6640 struct bnx2 *bp = netdev_priv(dev);
7b6b8347 6641 int support_serdes = 0, support_copper = 0;
b6016b76
MC		 6642
6643 cmd->supported = SUPPORTED_Autoneg;
583c28e5 6644 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
7b6b8347
MC		 6645 support_serdes = 1;
6646 support_copper = 1;
6647 } else if (bp->phy_port == PORT_FIBRE)
6648 support_serdes = 1;
6649 else
6650 support_copper = 1;
6651
6652 if (support_serdes) {
b6016b76
MC		 6653 cmd->supported |= SUPPORTED_1000baseT_Full |
6654 SUPPORTED_FIBRE;
583c28e5 6655 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
605a9e20 6656 cmd->supported |= SUPPORTED_2500baseX_Full;
b6016b76 6657
b6016b76 6658 }
7b6b8347 6659 if (support_copper) {
b6016b76
MC		 6660 cmd->supported |= SUPPORTED_10baseT_Half |
6661 SUPPORTED_10baseT_Full |
6662 SUPPORTED_100baseT_Half |
6663 SUPPORTED_100baseT_Full |
6664 SUPPORTED_1000baseT_Full |
6665 SUPPORTED_TP;
6666
b6016b76
MC		 6667 }
6668
7b6b8347
MC		 6669 spin_lock_bh(&bp->phy_lock);
6670 cmd->port = bp->phy_port;
b6016b76
MC		 6671 cmd->advertising = bp->advertising;
6672
6673 if (bp->autoneg & AUTONEG_SPEED) {
6674 cmd->autoneg = AUTONEG_ENABLE;
6675 }
6676 else {
6677 cmd->autoneg = AUTONEG_DISABLE;
6678 }
6679
6680 if (netif_carrier_ok(dev)) {
6681 cmd->speed = bp->line_speed;
6682 cmd->duplex = bp->duplex;
6683 }
6684 else {
6685 cmd->speed = -1;
6686 cmd->duplex = -1;
6687 }
7b6b8347 6688 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 6689
6690 cmd->transceiver = XCVR_INTERNAL;
6691 cmd->phy_address = bp->phy_addr;
6692
6693 return 0;
6694}
6aa20a22 6695
b6016b76
MC		 6696static int
6697bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6698{
972ec0d4 6699 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6700 u8 autoneg = bp->autoneg;
6701 u8 req_duplex = bp->req_duplex;
6702 u16 req_line_speed = bp->req_line_speed;
6703 u32 advertising = bp->advertising;
7b6b8347
MC		 6704 int err = -EINVAL;
6705
6706 spin_lock_bh(&bp->phy_lock);
6707
6708 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6709 goto err_out_unlock;
6710
583c28e5
MC		 6711 if (cmd->port != bp->phy_port &&
6712 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
7b6b8347 6713 goto err_out_unlock;
b6016b76 6714
d6b14486
MC		 6715 /* If device is down, we can store the settings only if the user
6716 * is setting the currently active port.
6717 */
6718 if (!netif_running(dev) && cmd->port != bp->phy_port)
6719 goto err_out_unlock;
6720
b6016b76
MC		 6721 if (cmd->autoneg == AUTONEG_ENABLE) {
6722 autoneg |= AUTONEG_SPEED;
6723
beb499af
MC		 6724 advertising = cmd->advertising;
6725 if (cmd->port == PORT_TP) {
6726 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6727 if (!advertising)
b6016b76 6728 advertising = ETHTOOL_ALL_COPPER_SPEED;
beb499af
MC		 6729 } else {
6730 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6731 if (!advertising)
6732 advertising = ETHTOOL_ALL_FIBRE_SPEED;
b6016b76
MC		 6733 }
6734 advertising |= ADVERTISED_Autoneg;
6735 }
6736 else {
7b6b8347 6737 if (cmd->port == PORT_FIBRE) {
80be4434
MC		 6738 if ((cmd->speed != SPEED_1000 &&
6739 cmd->speed != SPEED_2500) ||
6740 (cmd->duplex != DUPLEX_FULL))
7b6b8347 6741 goto err_out_unlock;
80be4434
MC		 6742
6743 if (cmd->speed == SPEED_2500 &&
583c28e5 6744 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
7b6b8347 6745 goto err_out_unlock;
b6016b76 6746 }
7b6b8347
MC		 6747 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6748 goto err_out_unlock;
6749
b6016b76
MC		 6750 autoneg &= ~AUTONEG_SPEED;
6751 req_line_speed = cmd->speed;
6752 req_duplex = cmd->duplex;
6753 advertising = 0;
6754 }
6755
6756 bp->autoneg = autoneg;
6757 bp->advertising = advertising;
6758 bp->req_line_speed = req_line_speed;
6759 bp->req_duplex = req_duplex;
6760
d6b14486
MC		 6761 err = 0;
6762 /* If device is down, the new settings will be picked up when it is
6763 * brought up.
6764 */
6765 if (netif_running(dev))
6766 err = bnx2_setup_phy(bp, cmd->port);
b6016b76 6767
7b6b8347 6768err_out_unlock:
c770a65c 6769 spin_unlock_bh(&bp->phy_lock);
b6016b76 6770
7b6b8347 6771 return err;
b6016b76
MC		 6772}
6773
6774static void
6775bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6776{
972ec0d4 6777 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6778
6779 strcpy(info->driver, DRV_MODULE_NAME);
6780 strcpy(info->version, DRV_MODULE_VERSION);
6781 strcpy(info->bus_info, pci_name(bp->pdev));
58fc2ea4 6782 strcpy(info->fw_version, bp->fw_version);
b6016b76
MC		 6783}
6784
244ac4f4
MC		 6785#define BNX2_REGDUMP_LEN (32 * 1024)
6786
6787static int
6788bnx2_get_regs_len(struct net_device *dev)
6789{
6790 return BNX2_REGDUMP_LEN;
6791}
6792
6793static void
6794bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6795{
6796 u32 *p = _p, i, offset;
6797 u8 *orig_p = _p;
6798 struct bnx2 *bp = netdev_priv(dev);
6799 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6800 0x0800, 0x0880, 0x0c00, 0x0c10,
6801 0x0c30, 0x0d08, 0x1000, 0x101c,
6802 0x1040, 0x1048, 0x1080, 0x10a4,
6803 0x1400, 0x1490, 0x1498, 0x14f0,
6804 0x1500, 0x155c, 0x1580, 0x15dc,
6805 0x1600, 0x1658, 0x1680, 0x16d8,
6806 0x1800, 0x1820, 0x1840, 0x1854,
6807 0x1880, 0x1894, 0x1900, 0x1984,
6808 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6809 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6810 0x2000, 0x2030, 0x23c0, 0x2400,
6811 0x2800, 0x2820, 0x2830, 0x2850,
6812 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6813 0x3c00, 0x3c94, 0x4000, 0x4010,
6814 0x4080, 0x4090, 0x43c0, 0x4458,
6815 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6816 0x4fc0, 0x5010, 0x53c0, 0x5444,
6817 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6818 0x5fc0, 0x6000, 0x6400, 0x6428,
6819 0x6800, 0x6848, 0x684c, 0x6860,
6820 0x6888, 0x6910, 0x8000 };
6821
6822 regs->version = 0;
6823
6824 memset(p, 0, BNX2_REGDUMP_LEN);
6825
6826 if (!netif_running(bp->dev))
6827 return;
6828
6829 i = 0;
6830 offset = reg_boundaries[0];
6831 p += offset;
6832 while (offset < BNX2_REGDUMP_LEN) {
6833 *p++ = REG_RD(bp, offset);
6834 offset += 4;
6835 if (offset == reg_boundaries[i + 1]) {
6836 offset = reg_boundaries[i + 2];
6837 p = (u32 *) (orig_p + offset);
6838 i += 2;
6839 }
6840 }
6841}
6842
b6016b76
MC		 6843static void
6844bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6845{
972ec0d4 6846 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6847
f86e82fb 6848 if (bp->flags & BNX2_FLAG_NO_WOL) {
b6016b76
MC		 6849 wol->supported = 0;
6850 wol->wolopts = 0;
6851 }
6852 else {
6853 wol->supported = WAKE_MAGIC;
6854 if (bp->wol)
6855 wol->wolopts = WAKE_MAGIC;
6856 else
6857 wol->wolopts = 0;
6858 }
6859 memset(&wol->sopass, 0, sizeof(wol->sopass));
6860}
6861
6862static int
6863bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6864{
972ec0d4 6865 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6866
6867 if (wol->wolopts & ~WAKE_MAGIC)
6868 return -EINVAL;
6869
6870 if (wol->wolopts & WAKE_MAGIC) {
f86e82fb 6871 if (bp->flags & BNX2_FLAG_NO_WOL)
b6016b76
MC		 6872 return -EINVAL;
6873
6874 bp->wol = 1;
6875 }
6876 else {
6877 bp->wol = 0;
6878 }
6879 return 0;
6880}
6881
6882static int
6883bnx2_nway_reset(struct net_device *dev)
6884{
972ec0d4 6885 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6886 u32 bmcr;
6887
9f52b564
MC		 6888 if (!netif_running(dev))
6889 return -EAGAIN;
6890
b6016b76
MC		 6891 if (!(bp->autoneg & AUTONEG_SPEED)) {
6892 return -EINVAL;
6893 }
6894
c770a65c 6895 spin_lock_bh(&bp->phy_lock);
b6016b76 6896
583c28e5 6897 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
7b6b8347
MC		 6898 int rc;
6899
6900 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6901 spin_unlock_bh(&bp->phy_lock);
6902 return rc;
6903 }
6904
b6016b76 6905 /* Force a link down visible on the other side */
583c28e5 6906 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
ca58c3af 6907 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
c770a65c 6908 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 6909
6910 msleep(20);
6911
c770a65c 6912 spin_lock_bh(&bp->phy_lock);
f8dd064e 6913
40105c0b 6914 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
f8dd064e
MC		 6915 bp->serdes_an_pending = 1;
6916 mod_timer(&bp->timer, jiffies + bp->current_interval);
b6016b76
MC		 6917 }
6918
ca58c3af 6919 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
b6016b76 6920 bmcr &= ~BMCR_LOOPBACK;
ca58c3af 6921 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
b6016b76 6922
c770a65c 6923 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 6924
6925 return 0;
6926}
6927
7959ea25
ON		 6928static u32
6929bnx2_get_link(struct net_device *dev)
6930{
6931 struct bnx2 *bp = netdev_priv(dev);
6932
6933 return bp->link_up;
6934}
6935
b6016b76
MC		 6936static int
6937bnx2_get_eeprom_len(struct net_device *dev)
6938{
972ec0d4 6939 struct bnx2 *bp = netdev_priv(dev);
b6016b76 6940
1122db71 6941 if (bp->flash_info == NULL)
b6016b76
MC		 6942 return 0;
6943
1122db71 6944 return (int) bp->flash_size;
b6016b76
MC		 6945}
6946
6947static int
6948bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6949 u8 *eebuf)
6950{
972ec0d4 6951 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6952 int rc;
6953
9f52b564
MC		 6954 if (!netif_running(dev))
6955 return -EAGAIN;
6956
1064e944 6957 /* parameters already validated in ethtool_get_eeprom */
b6016b76
MC		 6958
6959 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6960
6961 return rc;
6962}
6963
6964static int
6965bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6966 u8 *eebuf)
6967{
972ec0d4 6968 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6969 int rc;
6970
9f52b564
MC		 6971 if (!netif_running(dev))
6972 return -EAGAIN;
6973
1064e944 6974 /* parameters already validated in ethtool_set_eeprom */
b6016b76
MC		 6975
6976 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6977
6978 return rc;
6979}
6980
6981static int
6982bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6983{
972ec0d4 6984 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 6985
6986 memset(coal, 0, sizeof(struct ethtool_coalesce));
6987
6988 coal->rx_coalesce_usecs = bp->rx_ticks;
6989 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6990 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6991 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6992
6993 coal->tx_coalesce_usecs = bp->tx_ticks;
6994 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6995 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6996 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6997
6998 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6999
7000 return 0;
7001}
7002
7003static int
7004bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7005{
972ec0d4 7006 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7007
7008 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7009 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7010
6aa20a22 7011 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
b6016b76
MC		 7012 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7013
7014 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7015 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7016
7017 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7018 if (bp->rx_quick_cons_trip_int > 0xff)
7019 bp->rx_quick_cons_trip_int = 0xff;
7020
7021 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7022 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7023
7024 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7025 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7026
7027 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7028 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7029
7030 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7031 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7032 0xff;
7033
7034 bp->stats_ticks = coal->stats_block_coalesce_usecs;
61d9e3fa 7035 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
02537b06
MC		 7036 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7037 bp->stats_ticks = USEC_PER_SEC;
7038 }
7ea6920e
MC		 7039 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7040 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7041 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
b6016b76
MC		 7042
7043 if (netif_running(bp->dev)) {
212f9934 7044 bnx2_netif_stop(bp, true);
9a120bc5 7045 bnx2_init_nic(bp, 0);
212f9934 7046 bnx2_netif_start(bp, true);
b6016b76
MC		 7047 }
7048
7049 return 0;
7050}
7051
7052static void
7053bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7054{
972ec0d4 7055 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7056
13daffa2 7057 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
b6016b76 7058 ering->rx_mini_max_pending = 0;
47bf4246 7059 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
b6016b76
MC		 7060
7061 ering->rx_pending = bp->rx_ring_size;
7062 ering->rx_mini_pending = 0;
47bf4246 7063 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
b6016b76
MC		 7064
7065 ering->tx_max_pending = MAX_TX_DESC_CNT;
7066 ering->tx_pending = bp->tx_ring_size;
7067}
7068
7069static int
5d5d0015 7070bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
b6016b76 7071{
13daffa2 7072 if (netif_running(bp->dev)) {
354fcd77
MC		 7073 /* Reset will erase chipset stats; save them */
7074 bnx2_save_stats(bp);
7075
212f9934 7076 bnx2_netif_stop(bp, true);
13daffa2
MC		 7077 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
7078 bnx2_free_skbs(bp);
7079 bnx2_free_mem(bp);
7080 }
7081
5d5d0015
MC		 7082 bnx2_set_rx_ring_size(bp, rx);
7083 bp->tx_ring_size = tx;
b6016b76
MC		 7084
7085 if (netif_running(bp->dev)) {
13daffa2
MC		 7086 int rc;
7087
7088 rc = bnx2_alloc_mem(bp);
6fefb65e
MC		 7089 if (!rc)
7090 rc = bnx2_init_nic(bp, 0);
7091
7092 if (rc) {
7093 bnx2_napi_enable(bp);
7094 dev_close(bp->dev);
13daffa2 7095 return rc;
6fefb65e 7096 }
e9f26c49
MC		 7097#ifdef BCM_CNIC
7098 mutex_lock(&bp->cnic_lock);
7099 /* Let cnic know about the new status block. */
7100 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7101 bnx2_setup_cnic_irq_info(bp);
7102 mutex_unlock(&bp->cnic_lock);
7103#endif
212f9934 7104 bnx2_netif_start(bp, true);
b6016b76 7105 }
b6016b76
MC		 7106 return 0;
7107}
7108
5d5d0015
MC		 7109static int
7110bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7111{
7112 struct bnx2 *bp = netdev_priv(dev);
7113 int rc;
7114
7115 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7116 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7117 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7118
7119 return -EINVAL;
7120 }
7121 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7122 return rc;
7123}
7124
b6016b76
MC		 7125static void
7126bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7127{
972ec0d4 7128 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7129
7130 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7131 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7132 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7133}
7134
7135static int
7136bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7137{
972ec0d4 7138 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7139
7140 bp->req_flow_ctrl = 0;
7141 if (epause->rx_pause)
7142 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7143 if (epause->tx_pause)
7144 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7145
7146 if (epause->autoneg) {
7147 bp->autoneg |= AUTONEG_FLOW_CTRL;
7148 }
7149 else {
7150 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7151 }
7152
9f52b564
MC		 7153 if (netif_running(dev)) {
7154 spin_lock_bh(&bp->phy_lock);
7155 bnx2_setup_phy(bp, bp->phy_port);
7156 spin_unlock_bh(&bp->phy_lock);
7157 }
b6016b76
MC		 7158
7159 return 0;
7160}
7161
7162static u32
7163bnx2_get_rx_csum(struct net_device *dev)
7164{
972ec0d4 7165 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7166
7167 return bp->rx_csum;
7168}
7169
7170static int
7171bnx2_set_rx_csum(struct net_device *dev, u32 data)
7172{
972ec0d4 7173 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7174
7175 bp->rx_csum = data;
7176 return 0;
7177}
7178
b11d6213
MC		 7179static int
7180bnx2_set_tso(struct net_device *dev, u32 data)
7181{
4666f87a
MC		 7182 struct bnx2 *bp = netdev_priv(dev);
7183
7184 if (data) {
b11d6213 7185 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
4666f87a
MC		 7186 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7187 dev->features |= NETIF_F_TSO6;
7188 } else
7189 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
7190 NETIF_F_TSO_ECN);
b11d6213
MC		 7191 return 0;
7192}
7193
14ab9b86 7194static struct {
b6016b76 7195 char string[ETH_GSTRING_LEN];
790dab2f 7196} bnx2_stats_str_arr[] = {
b6016b76
MC		 7197 { "rx_bytes" },
7198 { "rx_error_bytes" },
7199 { "tx_bytes" },
7200 { "tx_error_bytes" },
7201 { "rx_ucast_packets" },
7202 { "rx_mcast_packets" },
7203 { "rx_bcast_packets" },
7204 { "tx_ucast_packets" },
7205 { "tx_mcast_packets" },
7206 { "tx_bcast_packets" },
7207 { "tx_mac_errors" },
7208 { "tx_carrier_errors" },
7209 { "rx_crc_errors" },
7210 { "rx_align_errors" },
7211 { "tx_single_collisions" },
7212 { "tx_multi_collisions" },
7213 { "tx_deferred" },
7214 { "tx_excess_collisions" },
7215 { "tx_late_collisions" },
7216 { "tx_total_collisions" },
7217 { "rx_fragments" },
7218 { "rx_jabbers" },
7219 { "rx_undersize_packets" },
7220 { "rx_oversize_packets" },
7221 { "rx_64_byte_packets" },
7222 { "rx_65_to_127_byte_packets" },
7223 { "rx_128_to_255_byte_packets" },
7224 { "rx_256_to_511_byte_packets" },
7225 { "rx_512_to_1023_byte_packets" },
7226 { "rx_1024_to_1522_byte_packets" },
7227 { "rx_1523_to_9022_byte_packets" },
7228 { "tx_64_byte_packets" },
7229 { "tx_65_to_127_byte_packets" },
7230 { "tx_128_to_255_byte_packets" },
7231 { "tx_256_to_511_byte_packets" },
7232 { "tx_512_to_1023_byte_packets" },
7233 { "tx_1024_to_1522_byte_packets" },
7234 { "tx_1523_to_9022_byte_packets" },
7235 { "rx_xon_frames" },
7236 { "rx_xoff_frames" },
7237 { "tx_xon_frames" },
7238 { "tx_xoff_frames" },
7239 { "rx_mac_ctrl_frames" },
7240 { "rx_filtered_packets" },
790dab2f 7241 { "rx_ftq_discards" },
b6016b76 7242 { "rx_discards" },
cea94db9 7243 { "rx_fw_discards" },
b6016b76
MC		 7244};
7245
790dab2f
MC		 7246#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
7247 sizeof(bnx2_stats_str_arr[0]))
7248
b6016b76
MC		 7249#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7250
f71e1309 7251static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
b6016b76
MC		 7252 STATS_OFFSET32(stat_IfHCInOctets_hi),
7253 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7254 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7255 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7256 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7257 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7258 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7259 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7260 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7261 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7262 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6aa20a22
JG		 7263 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7264 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7265 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7266 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7267 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7268 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7269 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7270 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7271 STATS_OFFSET32(stat_EtherStatsCollisions),
7272 STATS_OFFSET32(stat_EtherStatsFragments),
7273 STATS_OFFSET32(stat_EtherStatsJabbers),
7274 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7275 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7276 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7277 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7278 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7279 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7280 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7281 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7282 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7283 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7284 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7285 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7286 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7287 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7288 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7289 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7290 STATS_OFFSET32(stat_XonPauseFramesReceived),
7291 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7292 STATS_OFFSET32(stat_OutXonSent),
7293 STATS_OFFSET32(stat_OutXoffSent),
7294 STATS_OFFSET32(stat_MacControlFramesReceived),
7295 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
790dab2f 7296 STATS_OFFSET32(stat_IfInFTQDiscards),
6aa20a22 7297 STATS_OFFSET32(stat_IfInMBUFDiscards),
cea94db9 7298 STATS_OFFSET32(stat_FwRxDrop),
b6016b76
MC		 7299};
7300
7301/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7302 * skipped because of errata.
6aa20a22 7303 */
14ab9b86 7304static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
b6016b76
MC		 7305 8,0,8,8,8,8,8,8,8,8,
7306 4,0,4,4,4,4,4,4,4,4,
7307 4,4,4,4,4,4,4,4,4,4,
7308 4,4,4,4,4,4,4,4,4,4,
790dab2f 7309 4,4,4,4,4,4,4,
b6016b76
MC		 7310};
7311
5b0c76ad
MC		 7312static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7313 8,0,8,8,8,8,8,8,8,8,
7314 4,4,4,4,4,4,4,4,4,4,
7315 4,4,4,4,4,4,4,4,4,4,
7316 4,4,4,4,4,4,4,4,4,4,
790dab2f 7317 4,4,4,4,4,4,4,
5b0c76ad
MC		 7318};
7319
b6016b76
MC		 7320#define BNX2_NUM_TESTS 6
7321
14ab9b86 7322static struct {
b6016b76
MC		 7323 char string[ETH_GSTRING_LEN];
7324} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7325 { "register_test (offline)" },
7326 { "memory_test (offline)" },
7327 { "loopback_test (offline)" },
7328 { "nvram_test (online)" },
7329 { "interrupt_test (online)" },
7330 { "link_test (online)" },
7331};
7332
7333static int
b9f2c044 7334bnx2_get_sset_count(struct net_device *dev, int sset)
b6016b76 7335{
b9f2c044
JG		 7336 switch (sset) {
7337 case ETH_SS_TEST:
7338 return BNX2_NUM_TESTS;
7339 case ETH_SS_STATS:
7340 return BNX2_NUM_STATS;
7341 default:
7342 return -EOPNOTSUPP;
7343 }
b6016b76
MC		 7344}
7345
7346static void
7347bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7348{
972ec0d4 7349 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7350
9f52b564
MC		 7351 bnx2_set_power_state(bp, PCI_D0);
7352
b6016b76
MC		 7353 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7354 if (etest->flags & ETH_TEST_FL_OFFLINE) {
80be4434
MC		 7355 int i;
7356
212f9934 7357 bnx2_netif_stop(bp, true);
b6016b76
MC		 7358 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7359 bnx2_free_skbs(bp);
7360
7361 if (bnx2_test_registers(bp) != 0) {
7362 buf[0] = 1;
7363 etest->flags |= ETH_TEST_FL_FAILED;
7364 }
7365 if (bnx2_test_memory(bp) != 0) {
7366 buf[1] = 1;
7367 etest->flags |= ETH_TEST_FL_FAILED;
7368 }
bc5a0690 7369 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
b6016b76 7370 etest->flags |= ETH_TEST_FL_FAILED;
b6016b76 7371
9f52b564
MC		 7372 if (!netif_running(bp->dev))
7373 bnx2_shutdown_chip(bp);
b6016b76 7374 else {
9a120bc5 7375 bnx2_init_nic(bp, 1);
212f9934 7376 bnx2_netif_start(bp, true);
b6016b76
MC		 7377 }
7378
7379 /* wait for link up */
80be4434
MC		 7380 for (i = 0; i < 7; i++) {
7381 if (bp->link_up)
7382 break;
7383 msleep_interruptible(1000);
7384 }
b6016b76
MC		 7385 }
7386
7387 if (bnx2_test_nvram(bp) != 0) {
7388 buf[3] = 1;
7389 etest->flags |= ETH_TEST_FL_FAILED;
7390 }
7391 if (bnx2_test_intr(bp) != 0) {
7392 buf[4] = 1;
7393 etest->flags |= ETH_TEST_FL_FAILED;
7394 }
7395
7396 if (bnx2_test_link(bp) != 0) {
7397 buf[5] = 1;
7398 etest->flags |= ETH_TEST_FL_FAILED;
7399
7400 }
9f52b564
MC		 7401 if (!netif_running(bp->dev))
7402 bnx2_set_power_state(bp, PCI_D3hot);
b6016b76
MC		 7403}
7404
7405static void
7406bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7407{
7408 switch (stringset) {
7409 case ETH_SS_STATS:
7410 memcpy(buf, bnx2_stats_str_arr,
7411 sizeof(bnx2_stats_str_arr));
7412 break;
7413 case ETH_SS_TEST:
7414 memcpy(buf, bnx2_tests_str_arr,
7415 sizeof(bnx2_tests_str_arr));
7416 break;
7417 }
7418}
7419
b6016b76
MC		 7420static void
7421bnx2_get_ethtool_stats(struct net_device *dev,
7422 struct ethtool_stats *stats, u64 *buf)
7423{
972ec0d4 7424 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7425 int i;
7426 u32 *hw_stats = (u32 *) bp->stats_blk;
354fcd77 7427 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
14ab9b86 7428 u8 *stats_len_arr = NULL;
b6016b76
MC		 7429
7430 if (hw_stats == NULL) {
7431 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7432 return;
7433 }
7434
5b0c76ad
MC		 7435 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7436 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7437 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7438 (CHIP_ID(bp) == CHIP_ID_5708_A0))
b6016b76 7439 stats_len_arr = bnx2_5706_stats_len_arr;
5b0c76ad
MC		 7440 else
7441 stats_len_arr = bnx2_5708_stats_len_arr;
b6016b76
MC		 7442
7443 for (i = 0; i < BNX2_NUM_STATS; i++) {
354fcd77
MC		 7444 unsigned long offset;
7445
b6016b76
MC		 7446 if (stats_len_arr[i] == 0) {
7447 /* skip this counter */
7448 buf[i] = 0;
7449 continue;
7450 }
354fcd77
MC		 7451
7452 offset = bnx2_stats_offset_arr[i];
b6016b76
MC		 7453 if (stats_len_arr[i] == 4) {
7454 /* 4-byte counter */
354fcd77
MC		 7455 buf[i] = (u64) *(hw_stats + offset) +
7456 *(temp_stats + offset);
b6016b76
MC		 7457 continue;
7458 }
7459 /* 8-byte counter */
354fcd77
MC		 7460 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7461 *(hw_stats + offset + 1) +
7462 (((u64) *(temp_stats + offset)) << 32) +
7463 *(temp_stats + offset + 1);
b6016b76
MC		 7464 }
7465}
7466
7467static int
7468bnx2_phys_id(struct net_device *dev, u32 data)
7469{
972ec0d4 7470 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7471 int i;
7472 u32 save;
7473
9f52b564
MC		 7474 bnx2_set_power_state(bp, PCI_D0);
7475
b6016b76
MC		 7476 if (data == 0)
7477 data = 2;
7478
7479 save = REG_RD(bp, BNX2_MISC_CFG);
7480 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7481
7482 for (i = 0; i < (data * 2); i++) {
7483 if ((i % 2) == 0) {
7484 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7485 }
7486 else {
7487 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7488 BNX2_EMAC_LED_1000MB_OVERRIDE |
7489 BNX2_EMAC_LED_100MB_OVERRIDE |
7490 BNX2_EMAC_LED_10MB_OVERRIDE |
7491 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7492 BNX2_EMAC_LED_TRAFFIC);
7493 }
7494 msleep_interruptible(500);
7495 if (signal_pending(current))
7496 break;
7497 }
7498 REG_WR(bp, BNX2_EMAC_LED, 0);
7499 REG_WR(bp, BNX2_MISC_CFG, save);
9f52b564
MC		 7500
7501 if (!netif_running(dev))
7502 bnx2_set_power_state(bp, PCI_D3hot);
7503
b6016b76
MC		 7504 return 0;
7505}
7506
4666f87a
MC		 7507static int
7508bnx2_set_tx_csum(struct net_device *dev, u32 data)
7509{
7510 struct bnx2 *bp = netdev_priv(dev);
7511
7512 if (CHIP_NUM(bp) == CHIP_NUM_5709)
807540ba 7513 return ethtool_op_set_tx_ipv6_csum(dev, data);
4666f87a 7514 else
807540ba 7515 return ethtool_op_set_tx_csum(dev, data);
4666f87a
MC		 7516}
7517
fdc8541d
MC		 7518static int
7519bnx2_set_flags(struct net_device *dev, u32 data)
7520{
7d0fd211
JG		 7521 struct bnx2 *bp = netdev_priv(dev);
7522 int rc;
7523
7524 if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN) &&
7525 !(data & ETH_FLAG_RXVLAN))
ec37a48d 7526 return -EINVAL;
7d0fd211
JG		 7527
7528 rc = ethtool_op_set_flags(dev, data, ETH_FLAG_RXHASH | ETH_FLAG_RXVLAN |
7529 ETH_FLAG_TXVLAN);
7530 if (rc)
7531 return rc;
7532
7533 if ((!!(data & ETH_FLAG_RXVLAN) !=
7534 !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
7535 netif_running(dev)) {
7536 bnx2_netif_stop(bp, false);
7537 bnx2_set_rx_mode(dev);
7538 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
7539 bnx2_netif_start(bp, false);
7540 }
7541
7542 return 0;
fdc8541d
MC		 7543}
7544
7282d491 7545static const struct ethtool_ops bnx2_ethtool_ops = {
b6016b76
MC		 7546 .get_settings = bnx2_get_settings,
7547 .set_settings = bnx2_set_settings,
7548 .get_drvinfo = bnx2_get_drvinfo,
244ac4f4
MC		 7549 .get_regs_len = bnx2_get_regs_len,
7550 .get_regs = bnx2_get_regs,
b6016b76
MC		 7551 .get_wol = bnx2_get_wol,
7552 .set_wol = bnx2_set_wol,
7553 .nway_reset = bnx2_nway_reset,
7959ea25 7554 .get_link = bnx2_get_link,
b6016b76
MC		 7555 .get_eeprom_len = bnx2_get_eeprom_len,
7556 .get_eeprom = bnx2_get_eeprom,
7557 .set_eeprom = bnx2_set_eeprom,
7558 .get_coalesce = bnx2_get_coalesce,
7559 .set_coalesce = bnx2_set_coalesce,
7560 .get_ringparam = bnx2_get_ringparam,
7561 .set_ringparam = bnx2_set_ringparam,
7562 .get_pauseparam = bnx2_get_pauseparam,
7563 .set_pauseparam = bnx2_set_pauseparam,
7564 .get_rx_csum = bnx2_get_rx_csum,
7565 .set_rx_csum = bnx2_set_rx_csum,
4666f87a 7566 .set_tx_csum = bnx2_set_tx_csum,
b6016b76 7567 .set_sg = ethtool_op_set_sg,
b11d6213 7568 .set_tso = bnx2_set_tso,
b6016b76
MC		 7569 .self_test = bnx2_self_test,
7570 .get_strings = bnx2_get_strings,
7571 .phys_id = bnx2_phys_id,
b6016b76 7572 .get_ethtool_stats = bnx2_get_ethtool_stats,
b9f2c044 7573 .get_sset_count = bnx2_get_sset_count,
fdc8541d
MC		 7574 .set_flags = bnx2_set_flags,
7575 .get_flags = ethtool_op_get_flags,
b6016b76
MC		 7576};
7577
7578/* Called with rtnl_lock */
7579static int
7580bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7581{
14ab9b86 7582 struct mii_ioctl_data *data = if_mii(ifr);
972ec0d4 7583 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7584 int err;
7585
7586 switch(cmd) {
7587 case SIOCGMIIPHY:
7588 data->phy_id = bp->phy_addr;
7589
7590 /* fallthru */
7591 case SIOCGMIIREG: {
7592 u32 mii_regval;
7593
583c28e5 7594 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7b6b8347
MC		 7595 return -EOPNOTSUPP;
7596
dad3e452
MC		 7597 if (!netif_running(dev))
7598 return -EAGAIN;
7599
c770a65c 7600 spin_lock_bh(&bp->phy_lock);
b6016b76 7601 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
c770a65c 7602 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 7603
7604 data->val_out = mii_regval;
7605
7606 return err;
7607 }
7608
7609 case SIOCSMIIREG:
583c28e5 7610 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7b6b8347
MC		 7611 return -EOPNOTSUPP;
7612
dad3e452
MC		 7613 if (!netif_running(dev))
7614 return -EAGAIN;
7615
c770a65c 7616 spin_lock_bh(&bp->phy_lock);
b6016b76 7617 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
c770a65c 7618 spin_unlock_bh(&bp->phy_lock);
b6016b76
MC		 7619
7620 return err;
7621
7622 default:
7623 /* do nothing */
7624 break;
7625 }
7626 return -EOPNOTSUPP;
7627}
7628
7629/* Called with rtnl_lock */
7630static int
7631bnx2_change_mac_addr(struct net_device *dev, void *p)
7632{
7633 struct sockaddr *addr = p;
972ec0d4 7634 struct bnx2 *bp = netdev_priv(dev);
b6016b76 7635
73eef4cd
MC		 7636 if (!is_valid_ether_addr(addr->sa_data))
7637 return -EINVAL;
7638
b6016b76
MC		 7639 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7640 if (netif_running(dev))
5fcaed01 7641 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
b6016b76
MC		 7642
7643 return 0;
7644}
7645
7646/* Called with rtnl_lock */
7647static int
7648bnx2_change_mtu(struct net_device *dev, int new_mtu)
7649{
972ec0d4 7650 struct bnx2 *bp = netdev_priv(dev);
b6016b76
MC		 7651
7652 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7653 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7654 return -EINVAL;
7655
7656 dev->mtu = new_mtu;
807540ba 7657 return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size);
b6016b76
MC		 7658}
7659
257ddbda 7660#ifdef CONFIG_NET_POLL_CONTROLLER
b6016b76
MC		 7661static void
7662poll_bnx2(struct net_device *dev)
7663{
972ec0d4 7664 struct bnx2 *bp = netdev_priv(dev);
b2af2c1d 7665 int i;
b6016b76 7666
b2af2c1d 7667 for (i = 0; i < bp->irq_nvecs; i++) {
1bf1e347
MC		 7668 struct bnx2_irq *irq = &bp->irq_tbl[i];
7669
7670 disable_irq(irq->vector);
7671 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7672 enable_irq(irq->vector);
b2af2c1d 7673 }
b6016b76
MC		 7674}
7675#endif
7676
253c8b75
MC		 7677static void __devinit
7678bnx2_get_5709_media(struct bnx2 *bp)
7679{
7680 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7681 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7682 u32 strap;
7683
7684 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7685 return;
7686 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
583c28e5 7687 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC		 7688 return;
7689 }
7690
7691 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7692 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7693 else
7694 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7695
7696 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7697 switch (strap) {
7698 case 0x4:
7699 case 0x5:
7700 case 0x6:
583c28e5 7701 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC		 7702 return;
7703 }
7704 } else {
7705 switch (strap) {
7706 case 0x1:
7707 case 0x2:
7708 case 0x4:
583c28e5 7709 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
253c8b75
MC		 7710 return;
7711 }
7712 }
7713}
7714
883e5151
MC		 7715static void __devinit
7716bnx2_get_pci_speed(struct bnx2 *bp)
7717{
7718 u32 reg;
7719
7720 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7721 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7722 u32 clkreg;
7723
f86e82fb 7724 bp->flags |= BNX2_FLAG_PCIX;
883e5151
MC		 7725
7726 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7727
7728 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7729 switch (clkreg) {
7730 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7731 bp->bus_speed_mhz = 133;
7732 break;
7733
7734 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7735 bp->bus_speed_mhz = 100;
7736 break;
7737
7738 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7739 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7740 bp->bus_speed_mhz = 66;
7741 break;
7742
7743 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7744 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7745 bp->bus_speed_mhz = 50;
7746 break;
7747
7748 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7749 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7750 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7751 bp->bus_speed_mhz = 33;
7752 break;
7753 }
7754 }
7755 else {
7756 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7757 bp->bus_speed_mhz = 66;
7758 else
7759 bp->bus_speed_mhz = 33;
7760 }
7761
7762 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
f86e82fb 7763 bp->flags |= BNX2_FLAG_PCI_32BIT;
883e5151
MC		 7764
7765}
7766
76d99061
MC		 7767static void __devinit
7768bnx2_read_vpd_fw_ver(struct bnx2 *bp)
7769{
df25bc38 7770 int rc, i, j;
76d99061 7771 u8 *data;
df25bc38 7772 unsigned int block_end, rosize, len;
76d99061 7773
012093f6
MC		 7774#define BNX2_VPD_NVRAM_OFFSET 0x300
7775#define BNX2_VPD_LEN 128
76d99061
MC		 7776#define BNX2_MAX_VER_SLEN 30
7777
7778 data = kmalloc(256, GFP_KERNEL);
7779 if (!data)
7780 return;
7781
012093f6
MC		 7782 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
7783 BNX2_VPD_LEN);
76d99061
MC		 7784 if (rc)
7785 goto vpd_done;
7786
012093f6
MC		 7787 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
7788 data[i] = data[i + BNX2_VPD_LEN + 3];
7789 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
7790 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
7791 data[i + 3] = data[i + BNX2_VPD_LEN];
76d99061
MC		 7792 }
7793
df25bc38
MC		 7794 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
7795 if (i < 0)
7796 goto vpd_done;
76d99061 7797
df25bc38
MC		 7798 rosize = pci_vpd_lrdt_size(&data[i]);
7799 i += PCI_VPD_LRDT_TAG_SIZE;
7800 block_end = i + rosize;
76d99061 7801
df25bc38
MC		 7802 if (block_end > BNX2_VPD_LEN)
7803 goto vpd_done;
76d99061 7804
df25bc38
MC		 7805 j = pci_vpd_find_info_keyword(data, i, rosize,
7806 PCI_VPD_RO_KEYWORD_MFR_ID);
7807 if (j < 0)
7808 goto vpd_done;
76d99061 7809
df25bc38 7810 len = pci_vpd_info_field_size(&data[j]);
76d99061 7811
df25bc38
MC		 7812 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7813 if (j + len > block_end || len != 4 ||
7814 memcmp(&data[j], "1028", 4))
7815 goto vpd_done;
4067a854 7816
df25bc38
MC		 7817 j = pci_vpd_find_info_keyword(data, i, rosize,
7818 PCI_VPD_RO_KEYWORD_VENDOR0);
7819 if (j < 0)
7820 goto vpd_done;
4067a854 7821
df25bc38 7822 len = pci_vpd_info_field_size(&data[j]);
4067a854 7823
df25bc38
MC		 7824 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7825 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
76d99061 7826 goto vpd_done;
df25bc38
MC		 7827
7828 memcpy(bp->fw_version, &data[j], len);
7829 bp->fw_version[len] = ' ';
76d99061
MC		 7830
7831vpd_done:
7832 kfree(data);
7833}
7834
b6016b76
MC		 7835static int __devinit
7836bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7837{
7838 struct bnx2 *bp;
7839 unsigned long mem_len;
58fc2ea4 7840 int rc, i, j;
b6016b76 7841 u32 reg;
40453c83 7842 u64 dma_mask, persist_dma_mask;
cd709aa9 7843 int err;
b6016b76 7844
b6016b76 7845 SET_NETDEV_DEV(dev, &pdev->dev);
972ec0d4 7846 bp = netdev_priv(dev);
b6016b76
MC		 7847
7848 bp->flags = 0;
7849 bp->phy_flags = 0;
7850
354fcd77
MC		 7851 bp->temp_stats_blk =
7852 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
7853
7854 if (bp->temp_stats_blk == NULL) {
7855 rc = -ENOMEM;
7856 goto err_out;
7857 }
7858
b6016b76
MC		 7859 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7860 rc = pci_enable_device(pdev);
7861 if (rc) {
3a9c6a49 7862 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
b6016b76
MC		 7863 goto err_out;
7864 }
7865
7866 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9b91cf9d 7867 dev_err(&pdev->dev,
3a9c6a49 7868 "Cannot find PCI device base address, aborting\n");
b6016b76
MC		 7869 rc = -ENODEV;
7870 goto err_out_disable;
7871 }
7872
7873 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7874 if (rc) {
3a9c6a49 7875 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
b6016b76
MC		 7876 goto err_out_disable;
7877 }
7878
7879 pci_set_master(pdev);
7880
7881 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7882 if (bp->pm_cap == 0) {
9b91cf9d 7883 dev_err(&pdev->dev,
3a9c6a49 7884 "Cannot find power management capability, aborting\n");
b6016b76
MC		 7885 rc = -EIO;
7886 goto err_out_release;
7887 }
7888
b6016b76
MC		 7889 bp->dev = dev;
7890 bp->pdev = pdev;
7891
7892 spin_lock_init(&bp->phy_lock);
1b8227c4 7893 spin_lock_init(&bp->indirect_lock);
c5a88950
MC		 7894#ifdef BCM_CNIC
7895 mutex_init(&bp->cnic_lock);
7896#endif
c4028958 7897 INIT_WORK(&bp->reset_task, bnx2_reset_task);
b6016b76
MC		 7898
7899 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
4edd473f 7900 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
b6016b76
MC		 7901 dev->mem_end = dev->mem_start + mem_len;
7902 dev->irq = pdev->irq;
7903
7904 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7905
7906 if (!bp->regview) {
3a9c6a49 7907 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
b6016b76
MC		 7908 rc = -ENOMEM;
7909 goto err_out_release;
7910 }
7911
7912 /* Configure byte swap and enable write to the reg_window registers.
7913 * Rely on CPU to do target byte swapping on big endian systems
7914 * The chip's target access swapping will not swap all accesses
7915 */
7916 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7917 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7918 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7919
829ca9a3 7920 bnx2_set_power_state(bp, PCI_D0);
b6016b76
MC		 7921
7922 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7923
883e5151
MC		 7924 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7925 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7926 dev_err(&pdev->dev,
3a9c6a49 7927 "Cannot find PCIE capability, aborting\n");
883e5151
MC		 7928 rc = -EIO;
7929 goto err_out_unmap;
7930 }
f86e82fb 7931 bp->flags |= BNX2_FLAG_PCIE;
2dd201d7 7932 if (CHIP_REV(bp) == CHIP_REV_Ax)
f86e82fb 7933 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
c239f279
MC		 7934
7935 /* AER (Advanced Error Reporting) hooks */
7936 err = pci_enable_pcie_error_reporting(pdev);
7937 if (err) {
7938 dev_err(&pdev->dev, "pci_enable_pcie_error_reporting "
7939 "failed 0x%x\n", err);
7940 /* non-fatal, continue */
7941 }
7942
883e5151 7943 } else {
59b47d8a
MC		 7944 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7945 if (bp->pcix_cap == 0) {
7946 dev_err(&pdev->dev,
3a9c6a49 7947 "Cannot find PCIX capability, aborting\n");
59b47d8a
MC		 7948 rc = -EIO;
7949 goto err_out_unmap;
7950 }
61d9e3fa 7951 bp->flags |= BNX2_FLAG_BROKEN_STATS;
59b47d8a
MC		 7952 }
7953
b4b36042
MC		 7954 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7955 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
f86e82fb 7956 bp->flags |= BNX2_FLAG_MSIX_CAP;
b4b36042
MC		 7957 }
7958
8e6a72c4
MC		 7959 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7960 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
f86e82fb 7961 bp->flags |= BNX2_FLAG_MSI_CAP;
8e6a72c4
MC		 7962 }
7963
40453c83
MC		 7964 /* 5708 cannot support DMA addresses > 40-bit. */
7965 if (CHIP_NUM(bp) == CHIP_NUM_5708)
50cf156a 7966 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
40453c83 7967 else
6a35528a 7968 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
40453c83
MC		 7969
7970 /* Configure DMA attributes. */
7971 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7972 dev->features |= NETIF_F_HIGHDMA;
7973 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7974 if (rc) {
7975 dev_err(&pdev->dev,
3a9c6a49 7976 "pci_set_consistent_dma_mask failed, aborting\n");
40453c83
MC		 7977 goto err_out_unmap;
7978 }
284901a9 7979 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
3a9c6a49 7980 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
40453c83
MC		 7981 goto err_out_unmap;
7982 }
7983
f86e82fb 7984 if (!(bp->flags & BNX2_FLAG_PCIE))
883e5151 7985 bnx2_get_pci_speed(bp);
b6016b76
MC		 7986
7987 /* 5706A0 may falsely detect SERR and PERR. */
7988 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7989 reg = REG_RD(bp, PCI_COMMAND);
7990 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7991 REG_WR(bp, PCI_COMMAND, reg);
7992 }
7993 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
f86e82fb 7994 !(bp->flags & BNX2_FLAG_PCIX)) {
b6016b76 7995
9b91cf9d 7996 dev_err(&pdev->dev,
3a9c6a49 7997 "5706 A1 can only be used in a PCIX bus, aborting\n");
b6016b76
MC		 7998 goto err_out_unmap;
7999 }
8000
8001 bnx2_init_nvram(bp);
8002
2726d6e1 8003 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
e3648b3d
MC		 8004
8005 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
24cb230b
MC		 8006 BNX2_SHM_HDR_SIGNATURE_SIG) {
8007 u32 off = PCI_FUNC(pdev->devfn) << 2;
8008
2726d6e1 8009 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
24cb230b 8010 } else
e3648b3d
MC		 8011 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
8012
b6016b76
MC		 8013 /* Get the permanent MAC address. First we need to make sure the
8014 * firmware is actually running.
8015 */
2726d6e1 8016 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
b6016b76
MC		 8017
8018 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8019 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
3a9c6a49 8020 dev_err(&pdev->dev, "Firmware not running, aborting\n");
b6016b76
MC		 8021 rc = -ENODEV;
8022 goto err_out_unmap;
8023 }
8024
76d99061
MC		 8025 bnx2_read_vpd_fw_ver(bp);
8026
8027 j = strlen(bp->fw_version);
2726d6e1 8028 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
76d99061 8029 for (i = 0; i < 3 && j < 24; i++) {
58fc2ea4
MC		 8030 u8 num, k, skip0;
8031
76d99061
MC		 8032 if (i == 0) {
8033 bp->fw_version[j++] = 'b';
8034 bp->fw_version[j++] = 'c';
8035 bp->fw_version[j++] = ' ';
8036 }
58fc2ea4
MC		 8037 num = (u8) (reg >> (24 - (i * 8)));
8038 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8039 if (num >= k || !skip0 || k == 1) {
8040 bp->fw_version[j++] = (num / k) + '0';
8041 skip0 = 0;
8042 }
8043 }
8044 if (i != 2)
8045 bp->fw_version[j++] = '.';
8046 }
2726d6e1 8047 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
846f5c62
MC		 8048 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8049 bp->wol = 1;
8050
8051 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
f86e82fb 8052 bp->flags |= BNX2_FLAG_ASF_ENABLE;
c2d3db8c
MC		 8053
8054 for (i = 0; i < 30; i++) {
2726d6e1 8055 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
c2d3db8c
MC		 8056 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8057 break;
8058 msleep(10);
8059 }
8060 }
2726d6e1 8061 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
58fc2ea4
MC		 8062 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8063 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8064 reg != BNX2_CONDITION_MFW_RUN_NONE) {
2726d6e1 8065 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
58fc2ea4 8066
76d99061
MC		 8067 if (j < 32)
8068 bp->fw_version[j++] = ' ';
8069 for (i = 0; i < 3 && j < 28; i++) {
2726d6e1 8070 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
58fc2ea4
MC		 8071 reg = swab32(reg);
8072 memcpy(&bp->fw_version[j], &reg, 4);
8073 j += 4;
8074 }
8075 }
b6016b76 8076
2726d6e1 8077 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
b6016b76
MC		 8078 bp->mac_addr[0] = (u8) (reg >> 8);
8079 bp->mac_addr[1] = (u8) reg;
8080
2726d6e1 8081 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
b6016b76
MC		 8082 bp->mac_addr[2] = (u8) (reg >> 24);
8083 bp->mac_addr[3] = (u8) (reg >> 16);
8084 bp->mac_addr[4] = (u8) (reg >> 8);
8085 bp->mac_addr[5] = (u8) reg;
8086
8087 bp->tx_ring_size = MAX_TX_DESC_CNT;
932f3772 8088 bnx2_set_rx_ring_size(bp, 255);
b6016b76
MC		 8089
8090 bp->rx_csum = 1;
8091
cf7474a6 8092 bp->tx_quick_cons_trip_int = 2;
b6016b76 8093 bp->tx_quick_cons_trip = 20;
cf7474a6 8094 bp->tx_ticks_int = 18;
b6016b76 8095 bp->tx_ticks = 80;
6aa20a22 8096
cf7474a6
MC		 8097 bp->rx_quick_cons_trip_int = 2;
8098 bp->rx_quick_cons_trip = 12;
b6016b76
MC		 8099 bp->rx_ticks_int = 18;
8100 bp->rx_ticks = 18;
8101
7ea6920e 8102 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
b6016b76 8103
ac392abc 8104 bp->current_interval = BNX2_TIMER_INTERVAL;
b6016b76 8105
5b0c76ad
MC		 8106 bp->phy_addr = 1;
8107
b6016b76 8108 /* Disable WOL support if we are running on a SERDES chip. */
253c8b75
MC		 8109 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8110 bnx2_get_5709_media(bp);
8111 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
583c28e5 8112 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
bac0dff6 8113
0d8a6571 8114 bp->phy_port = PORT_TP;
583c28e5 8115 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
0d8a6571 8116 bp->phy_port = PORT_FIBRE;
2726d6e1 8117 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
846f5c62 8118 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
f86e82fb 8119 bp->flags |= BNX2_FLAG_NO_WOL;
846f5c62
MC		 8120 bp->wol = 0;
8121 }
38ea3686
MC		 8122 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
8123 /* Don't do parallel detect on this board because of
8124 * some board problems. The link will not go down
8125 * if we do parallel detect.
8126 */
8127 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8128 pdev->subsystem_device == 0x310c)
8129 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8130 } else {
5b0c76ad 8131 bp->phy_addr = 2;
5b0c76ad 8132 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
583c28e5 8133 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
5b0c76ad 8134 }
261dd5ca
MC		 8135 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
8136 CHIP_NUM(bp) == CHIP_NUM_5708)
583c28e5 8137 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
fb0c18bd
MC		 8138 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
8139 (CHIP_REV(bp) == CHIP_REV_Ax ||
8140 CHIP_REV(bp) == CHIP_REV_Bx))
583c28e5 8141 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
b6016b76 8142
7c62e83b
MC		 8143 bnx2_init_fw_cap(bp);
8144
16088272
MC		 8145 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
8146 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
5ec6d7bf
MC		 8147 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
8148 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
f86e82fb 8149 bp->flags |= BNX2_FLAG_NO_WOL;
846f5c62
MC		 8150 bp->wol = 0;
8151 }
dda1e390 8152
b6016b76
MC		 8153 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8154 bp->tx_quick_cons_trip_int =
8155 bp->tx_quick_cons_trip;
8156 bp->tx_ticks_int = bp->tx_ticks;
8157 bp->rx_quick_cons_trip_int =
8158 bp->rx_quick_cons_trip;
8159 bp->rx_ticks_int = bp->rx_ticks;
8160 bp->comp_prod_trip_int = bp->comp_prod_trip;
8161 bp->com_ticks_int = bp->com_ticks;
8162 bp->cmd_ticks_int = bp->cmd_ticks;
8163 }
8164
f9317a40
MC		 8165 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8166 *
8167 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8168 * with byte enables disabled on the unused 32-bit word. This is legal
8169 * but causes problems on the AMD 8132 which will eventually stop
8170 * responding after a while.
8171 *
8172 * AMD believes this incompatibility is unique to the 5706, and
88187dfa 8173 * prefers to locally disable MSI rather than globally disabling it.
f9317a40
MC		 8174 */
8175 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
8176 struct pci_dev *amd_8132 = NULL;
8177
8178 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8179 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8180 amd_8132))) {
f9317a40 8181
44c10138
AK		 8182 if (amd_8132->revision >= 0x10 &&
8183 amd_8132->revision <= 0x13) {
f9317a40
MC		 8184 disable_msi = 1;
8185 pci_dev_put(amd_8132);
8186 break;
8187 }
8188 }
8189 }
8190
deaf391b 8191 bnx2_set_default_link(bp);
b6016b76
MC		 8192 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8193
cd339a0e 8194 init_timer(&bp->timer);
ac392abc 8195 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
cd339a0e
MC		 8196 bp->timer.data = (unsigned long) bp;
8197 bp->timer.function = bnx2_timer;
8198
c239f279
MC		 8199 pci_save_state(pdev);
8200
b6016b76
MC		 8201 return 0;
8202
8203err_out_unmap:
c239f279
MC		 8204 if (bp->flags & BNX2_FLAG_PCIE)
8205 pci_disable_pcie_error_reporting(pdev);
8206
b6016b76
MC		 8207 if (bp->regview) {
8208 iounmap(bp->regview);
73eef4cd 8209 bp->regview = NULL;
b6016b76
MC		 8210 }
8211
8212err_out_release:
8213 pci_release_regions(pdev);
8214
8215err_out_disable:
8216 pci_disable_device(pdev);
8217 pci_set_drvdata(pdev, NULL);
8218
8219err_out:
8220 return rc;
8221}
8222
883e5151
MC		 8223static char * __devinit
8224bnx2_bus_string(struct bnx2 *bp, char *str)
8225{
8226 char *s = str;
8227
f86e82fb 8228 if (bp->flags & BNX2_FLAG_PCIE) {
883e5151
MC		 8229 s += sprintf(s, "PCI Express");
8230 } else {
8231 s += sprintf(s, "PCI");
f86e82fb 8232 if (bp->flags & BNX2_FLAG_PCIX)
883e5151 8233 s += sprintf(s, "-X");
f86e82fb 8234 if (bp->flags & BNX2_FLAG_PCI_32BIT)
883e5151
MC		 8235 s += sprintf(s, " 32-bit");
8236 else
8237 s += sprintf(s, " 64-bit");
8238 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8239 }
8240 return str;
8241}
8242
f048fa9c
MC		 8243static void
8244bnx2_del_napi(struct bnx2 *bp)
8245{
8246 int i;
8247
8248 for (i = 0; i < bp->irq_nvecs; i++)
8249 netif_napi_del(&bp->bnx2_napi[i].napi);
8250}
8251
8252static void
35efa7c1
MC		 8253bnx2_init_napi(struct bnx2 *bp)
8254{
b4b36042 8255 int i;
35efa7c1 8256
4327ba43 8257 for (i = 0; i < bp->irq_nvecs; i++) {
35e9010b
MC		 8258 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8259 int (*poll)(struct napi_struct *, int);
8260
8261 if (i == 0)
8262 poll = bnx2_poll;
8263 else
f0ea2e63 8264 poll = bnx2_poll_msix;
35e9010b
MC		 8265
8266 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
b4b36042
MC		 8267 bnapi->bp = bp;
8268 }
35efa7c1
MC		 8269}
8270
0421eae6
SH		 8271static const struct net_device_ops bnx2_netdev_ops = {
8272 .ndo_open = bnx2_open,
8273 .ndo_start_xmit = bnx2_start_xmit,
8274 .ndo_stop = bnx2_close,
5d07bf26 8275 .ndo_get_stats64 = bnx2_get_stats64,
0421eae6
SH		 8276 .ndo_set_rx_mode = bnx2_set_rx_mode,
8277 .ndo_do_ioctl = bnx2_ioctl,
8278 .ndo_validate_addr = eth_validate_addr,
8279 .ndo_set_mac_address = bnx2_change_mac_addr,
8280 .ndo_change_mtu = bnx2_change_mtu,
8281 .ndo_tx_timeout = bnx2_tx_timeout,
257ddbda 8282#ifdef CONFIG_NET_POLL_CONTROLLER
0421eae6
SH		 8283 .ndo_poll_controller = poll_bnx2,
8284#endif
8285};
8286
72dccb01
ED		 8287static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
8288{
72dccb01 8289 dev->vlan_features |= flags;
72dccb01
ED		 8290}
8291
b6016b76
MC		 8292static int __devinit
8293bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8294{
8295 static int version_printed = 0;
8296 struct net_device *dev = NULL;
8297 struct bnx2 *bp;
0795af57 8298 int rc;
883e5151 8299 char str[40];
b6016b76
MC		 8300
8301 if (version_printed++ == 0)
3a9c6a49 8302 pr_info("%s", version);
b6016b76
MC		 8303
8304 /* dev zeroed in init_etherdev */
706bf240 8305 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
b6016b76
MC		 8306
8307 if (!dev)
8308 return -ENOMEM;
8309
8310 rc = bnx2_init_board(pdev, dev);
8311 if (rc < 0) {
8312 free_netdev(dev);
8313 return rc;
8314 }
8315
0421eae6 8316 dev->netdev_ops = &bnx2_netdev_ops;
b6016b76 8317 dev->watchdog_timeo = TX_TIMEOUT;
b6016b76 8318 dev->ethtool_ops = &bnx2_ethtool_ops;
b6016b76 8319
972ec0d4 8320 bp = netdev_priv(dev);
b6016b76 8321
1b2f922f
MC		 8322 pci_set_drvdata(pdev, dev);
8323
57579f76
MC		 8324 rc = bnx2_request_firmware(bp);
8325 if (rc)
8326 goto error;
8327
1b2f922f
MC		 8328 memcpy(dev->dev_addr, bp->mac_addr, 6);
8329 memcpy(dev->perm_addr, bp->mac_addr, 6);
1b2f922f 8330
fdc8541d
MC		 8331 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_GRO |
8332 NETIF_F_RXHASH;
72dccb01
ED		 8333 vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
8334 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
d212f87b 8335 dev->features |= NETIF_F_IPV6_CSUM;
72dccb01
ED		 8336 vlan_features_add(dev, NETIF_F_IPV6_CSUM);
8337 }
1b2f922f 8338 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
1b2f922f 8339 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
72dccb01
ED		 8340 vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
8341 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4666f87a 8342 dev->features |= NETIF_F_TSO6;
72dccb01
ED		 8343 vlan_features_add(dev, NETIF_F_TSO6);
8344 }
b6016b76 8345 if ((rc = register_netdev(dev))) {
9b91cf9d 8346 dev_err(&pdev->dev, "Cannot register net device\n");
57579f76 8347 goto error;
b6016b76
MC		 8348 }
8349
3a9c6a49
JP		 8350 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n",
8351 board_info[ent->driver_data].name,
8352 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8353 ((CHIP_ID(bp) & 0x0ff0) >> 4),
8354 bnx2_bus_string(bp, str),
8355 dev->base_addr,
8356 bp->pdev->irq, dev->dev_addr);
b6016b76 8357
b6016b76 8358 return 0;
57579f76
MC		 8359
8360error:
8361 if (bp->mips_firmware)
8362 release_firmware(bp->mips_firmware);
8363 if (bp->rv2p_firmware)
8364 release_firmware(bp->rv2p_firmware);
8365
8366 if (bp->regview)
8367 iounmap(bp->regview);
8368 pci_release_regions(pdev);
8369 pci_disable_device(pdev);
8370 pci_set_drvdata(pdev, NULL);
8371 free_netdev(dev);
8372 return rc;
b6016b76
MC		 8373}
8374
8375static void __devexit
8376bnx2_remove_one(struct pci_dev *pdev)
8377{
8378 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 8379 struct bnx2 *bp = netdev_priv(dev);
b6016b76 8380
afdc08b9
MC		 8381 flush_scheduled_work();
8382
b6016b76
MC		 8383 unregister_netdev(dev);
8384
57579f76
MC		 8385 if (bp->mips_firmware)
8386 release_firmware(bp->mips_firmware);
8387 if (bp->rv2p_firmware)
8388 release_firmware(bp->rv2p_firmware);
8389
b6016b76
MC		 8390 if (bp->regview)
8391 iounmap(bp->regview);
8392
354fcd77
MC		 8393 kfree(bp->temp_stats_blk);
8394
c239f279
MC		 8395 if (bp->flags & BNX2_FLAG_PCIE)
8396 pci_disable_pcie_error_reporting(pdev);
cd709aa9 8397
c239f279 8398 free_netdev(dev);
cd709aa9 8399
b6016b76
MC		 8400 pci_release_regions(pdev);
8401 pci_disable_device(pdev);
8402 pci_set_drvdata(pdev, NULL);
8403}
8404
8405static int
829ca9a3 8406bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
b6016b76
MC		 8407{
8408 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 8409 struct bnx2 *bp = netdev_priv(dev);
b6016b76 8410
6caebb02
MC		 8411 /* PCI register 4 needs to be saved whether netif_running() or not.
8412 * MSI address and data need to be saved if using MSI and
8413 * netif_running().
8414 */
8415 pci_save_state(pdev);
b6016b76
MC		 8416 if (!netif_running(dev))
8417 return 0;
8418
1d60290f 8419 flush_scheduled_work();
212f9934 8420 bnx2_netif_stop(bp, true);
b6016b76
MC		 8421 netif_device_detach(dev);
8422 del_timer_sync(&bp->timer);
74bf4ba3 8423 bnx2_shutdown_chip(bp);
b6016b76 8424 bnx2_free_skbs(bp);
829ca9a3 8425 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
b6016b76
MC		 8426 return 0;
8427}
8428
8429static int
8430bnx2_resume(struct pci_dev *pdev)
8431{
8432 struct net_device *dev = pci_get_drvdata(pdev);
972ec0d4 8433 struct bnx2 *bp = netdev_priv(dev);
b6016b76 8434
6caebb02 8435 pci_restore_state(pdev);
b6016b76
MC		 8436 if (!netif_running(dev))
8437 return 0;
8438
829ca9a3 8439 bnx2_set_power_state(bp, PCI_D0);
b6016b76 8440 netif_device_attach(dev);
9a120bc5 8441 bnx2_init_nic(bp, 1);
212f9934 8442 bnx2_netif_start(bp, true);
b6016b76
MC		 8443 return 0;
8444}
8445
6ff2da49
WX		 8446/**
8447 * bnx2_io_error_detected - called when PCI error is detected
8448 * @pdev: Pointer to PCI device
8449 * @state: The current pci connection state
8450 *
8451 * This function is called after a PCI bus error affecting
8452 * this device has been detected.
8453 */
8454static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8455 pci_channel_state_t state)
8456{
8457 struct net_device *dev = pci_get_drvdata(pdev);
8458 struct bnx2 *bp = netdev_priv(dev);
8459
8460 rtnl_lock();
8461 netif_device_detach(dev);
8462
2ec3de26
DN		 8463 if (state == pci_channel_io_perm_failure) {
8464 rtnl_unlock();
8465 return PCI_ERS_RESULT_DISCONNECT;
8466 }
8467
6ff2da49 8468 if (netif_running(dev)) {
212f9934 8469 bnx2_netif_stop(bp, true);
6ff2da49
WX		 8470 del_timer_sync(&bp->timer);
8471 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8472 }
8473
8474 pci_disable_device(pdev);
8475 rtnl_unlock();
8476
8477 /* Request a slot slot reset. */
8478 return PCI_ERS_RESULT_NEED_RESET;
8479}
8480
8481/**
8482 * bnx2_io_slot_reset - called after the pci bus has been reset.
8483 * @pdev: Pointer to PCI device
8484 *
8485 * Restart the card from scratch, as if from a cold-boot.
8486 */
8487static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8488{
8489 struct net_device *dev = pci_get_drvdata(pdev);
8490 struct bnx2 *bp = netdev_priv(dev);
cd709aa9
JF		 8491 pci_ers_result_t result;
8492 int err;
6ff2da49
WX		 8493
8494 rtnl_lock();
8495 if (pci_enable_device(pdev)) {
8496 dev_err(&pdev->dev,
3a9c6a49 8497 "Cannot re-enable PCI device after reset\n");
cd709aa9
JF		 8498 result = PCI_ERS_RESULT_DISCONNECT;
8499 } else {
8500 pci_set_master(pdev);
8501 pci_restore_state(pdev);
8502 pci_save_state(pdev);
8503
8504 if (netif_running(dev)) {
8505 bnx2_set_power_state(bp, PCI_D0);
8506 bnx2_init_nic(bp, 1);
8507 }
8508 result = PCI_ERS_RESULT_RECOVERED;
6ff2da49 8509 }
cd709aa9 8510 rtnl_unlock();
6ff2da49 8511
c239f279
MC		 8512 if (!(bp->flags & BNX2_FLAG_PCIE))
8513 return result;
8514
cd709aa9
JF		 8515 err = pci_cleanup_aer_uncorrect_error_status(pdev);
8516 if (err) {
8517 dev_err(&pdev->dev,
8518 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
8519 err); /* non-fatal, continue */
6ff2da49
WX		 8520 }
8521
cd709aa9 8522 return result;
6ff2da49
WX		 8523}
8524
8525/**
8526 * bnx2_io_resume - called when traffic can start flowing again.
8527 * @pdev: Pointer to PCI device
8528 *
8529 * This callback is called when the error recovery driver tells us that
8530 * its OK to resume normal operation.
8531 */
8532static void bnx2_io_resume(struct pci_dev *pdev)
8533{
8534 struct net_device *dev = pci_get_drvdata(pdev);
8535 struct bnx2 *bp = netdev_priv(dev);
8536
8537 rtnl_lock();
8538 if (netif_running(dev))
212f9934 8539 bnx2_netif_start(bp, true);
6ff2da49
WX		 8540
8541 netif_device_attach(dev);
8542 rtnl_unlock();
8543}
8544
8545static struct pci_error_handlers bnx2_err_handler = {
8546 .error_detected = bnx2_io_error_detected,
8547 .slot_reset = bnx2_io_slot_reset,
8548 .resume = bnx2_io_resume,
8549};
8550
b6016b76 8551static struct pci_driver bnx2_pci_driver = {
14ab9b86
PH		 8552 .name = DRV_MODULE_NAME,
8553 .id_table = bnx2_pci_tbl,
8554 .probe = bnx2_init_one,
8555 .remove = __devexit_p(bnx2_remove_one),
8556 .suspend = bnx2_suspend,
8557 .resume = bnx2_resume,
6ff2da49 8558 .err_handler = &bnx2_err_handler,
b6016b76
MC		 8559};
8560
8561static int __init bnx2_init(void)
8562{
29917620 8563 return pci_register_driver(&bnx2_pci_driver);
b6016b76
MC		 8564}
8565
8566static void __exit bnx2_cleanup(void)
8567{
8568 pci_unregister_driver(&bnx2_pci_driver);
8569}
8570
8571module_init(bnx2_init);
8572module_exit(bnx2_cleanup);
8573
8574
8575
Ubuntu Eoan Linux kernel mirror