1 /* bnx2.c: Broadcom NX2 network driver.
3 * Copyright (c) 2004-2009 Broadcom Corporation
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.
9 * Written by: Michael Chan (mchan@broadcom.com)
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
16 #include <linux/kernel.h>
17 #include <linux/timer.h>
18 #include <linux/errno.h>
19 #include <linux/ioport.h>
20 #include <linux/slab.h>
21 #include <linux/vmalloc.h>
22 #include <linux/interrupt.h>
23 #include <linux/pci.h>
24 #include <linux/init.h>
25 #include <linux/netdevice.h>
26 #include <linux/etherdevice.h>
27 #include <linux/skbuff.h>
28 #include <linux/dma-mapping.h>
29 #include <linux/bitops.h>
32 #include <linux/delay.h>
33 #include <asm/byteorder.h>
35 #include <linux/time.h>
36 #include <linux/ethtool.h>
37 #include <linux/mii.h>
38 #include <linux/if_vlan.h>
39 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
44 #include <net/checksum.h>
45 #include <linux/workqueue.h>
46 #include <linux/crc32.h>
47 #include <linux/prefetch.h>
48 #include <linux/cache.h>
49 #include <linux/firmware.h>
50 #include <linux/log2.h>
51 #include <linux/list.h>
53 #if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
60 #define DRV_MODULE_NAME "bnx2"
61 #define PFX DRV_MODULE_NAME ": "
62 #define DRV_MODULE_VERSION "2.0.1"
63 #define DRV_MODULE_RELDATE "May 6, 2009"
64 #define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-4.6.16.fw"
65 #define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-4.6.16.fw"
66 #define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-4.6.17.fw"
67 #define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-4.6.15.fw"
69 #define RUN_AT(x) (jiffies + (x))
71 /* Time in jiffies before concluding the transmitter is hung. */
72 #define TX_TIMEOUT (5*HZ)
74 static char version[] __devinitdata =
75 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
77 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
78 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
79 MODULE_LICENSE("GPL");
80 MODULE_VERSION(DRV_MODULE_VERSION);
81 MODULE_FIRMWARE(FW_MIPS_FILE_06);
82 MODULE_FIRMWARE(FW_RV2P_FILE_06);
83 MODULE_FIRMWARE(FW_MIPS_FILE_09);
84 MODULE_FIRMWARE(FW_RV2P_FILE_09);
86 static int disable_msi = 0;
88 module_param(disable_msi, int, 0);
89 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
105 /* indexed by board_t, above */
108 } board_info[] __devinitdata = {
109 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
110 { "HP NC370T Multifunction Gigabit Server Adapter" },
111 { "HP NC370i Multifunction Gigabit Server Adapter" },
112 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
113 { "HP NC370F Multifunction Gigabit Server Adapter" },
114 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
115 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
116 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
117 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
118 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
119 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
122 static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
123 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
124 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
125 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
126 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
127 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
128 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
129 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
131 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
132 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
133 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
134 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
135 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
136 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
137 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
138 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
139 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
140 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
141 { PCI_VENDOR_ID_BROADCOM, 0x163b,
142 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
143 { PCI_VENDOR_ID_BROADCOM, 0x163c,
144 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
148 static struct flash_spec flash_table[] =
150 #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
151 #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
153 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
154 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
155 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
157 /* Expansion entry 0001 */
158 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
159 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
160 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
162 /* Saifun SA25F010 (non-buffered flash) */
163 /* strap, cfg1, & write1 need updates */
164 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
165 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
166 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
167 "Non-buffered flash (128kB)"},
168 /* Saifun SA25F020 (non-buffered flash) */
169 /* strap, cfg1, & write1 need updates */
170 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
171 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
172 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
173 "Non-buffered flash (256kB)"},
174 /* Expansion entry 0100 */
175 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
176 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
177 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
179 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
180 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
181 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
182 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
183 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
184 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
185 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
186 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
187 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
188 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
189 /* Saifun SA25F005 (non-buffered flash) */
190 /* strap, cfg1, & write1 need updates */
191 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
192 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
193 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
194 "Non-buffered flash (64kB)"},
196 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
197 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
198 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
200 /* Expansion entry 1001 */
201 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
202 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
203 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 /* Expansion entry 1010 */
206 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
207 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
208 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
210 /* ATMEL AT45DB011B (buffered flash) */
211 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
212 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
213 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
214 "Buffered flash (128kB)"},
215 /* Expansion entry 1100 */
216 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
217 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
218 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
220 /* Expansion entry 1101 */
221 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
222 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
223 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
225 /* Ateml Expansion entry 1110 */
226 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
227 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
228 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
229 "Entry 1110 (Atmel)"},
230 /* ATMEL AT45DB021B (buffered flash) */
231 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
232 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
233 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
234 "Buffered flash (256kB)"},
237 static struct flash_spec flash_5709 = {
238 .flags = BNX2_NV_BUFFERED,
239 .page_bits = BCM5709_FLASH_PAGE_BITS,
240 .page_size = BCM5709_FLASH_PAGE_SIZE,
241 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
242 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
243 .name = "5709 Buffered flash (256kB)",
246 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
248 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
254 /* The ring uses 256 indices for 255 entries, one of them
255 * needs to be skipped.
257 diff = txr->tx_prod - txr->tx_cons;
258 if (unlikely(diff >= TX_DESC_CNT)) {
260 if (diff == TX_DESC_CNT)
261 diff = MAX_TX_DESC_CNT;
263 return (bp->tx_ring_size - diff);
267 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
271 spin_lock_bh(&bp->indirect_lock);
272 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
273 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
274 spin_unlock_bh(&bp->indirect_lock);
279 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
281 spin_lock_bh(&bp->indirect_lock);
282 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
283 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
284 spin_unlock_bh(&bp->indirect_lock);
288 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
290 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
294 bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
296 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
300 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
303 spin_lock_bh(&bp->indirect_lock);
304 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
307 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
308 REG_WR(bp, BNX2_CTX_CTX_CTRL,
309 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
310 for (i = 0; i < 5; i++) {
311 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
312 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
317 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
318 REG_WR(bp, BNX2_CTX_DATA, val);
320 spin_unlock_bh(&bp->indirect_lock);
325 bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
327 struct bnx2 *bp = netdev_priv(dev);
328 struct drv_ctl_io *io = &info->data.io;
331 case DRV_CTL_IO_WR_CMD:
332 bnx2_reg_wr_ind(bp, io->offset, io->data);
334 case DRV_CTL_IO_RD_CMD:
335 io->data = bnx2_reg_rd_ind(bp, io->offset);
337 case DRV_CTL_CTX_WR_CMD:
338 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
346 static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
348 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
349 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
352 if (bp->flags & BNX2_FLAG_USING_MSIX) {
353 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
354 bnapi->cnic_present = 0;
355 sb_id = bp->irq_nvecs;
356 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
358 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
359 bnapi->cnic_tag = bnapi->last_status_idx;
360 bnapi->cnic_present = 1;
362 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
365 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
366 cp->irq_arr[0].status_blk = (void *)
367 ((unsigned long) bnapi->status_blk.msi +
368 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
369 cp->irq_arr[0].status_blk_num = sb_id;
373 static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
376 struct bnx2 *bp = netdev_priv(dev);
377 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
382 if (cp->drv_state & CNIC_DRV_STATE_REGD)
385 bp->cnic_data = data;
386 rcu_assign_pointer(bp->cnic_ops, ops);
389 cp->drv_state = CNIC_DRV_STATE_REGD;
391 bnx2_setup_cnic_irq_info(bp);
396 static int bnx2_unregister_cnic(struct net_device *dev)
398 struct bnx2 *bp = netdev_priv(dev);
399 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
400 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
403 bnapi->cnic_present = 0;
404 rcu_assign_pointer(bp->cnic_ops, NULL);
409 struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
411 struct bnx2 *bp = netdev_priv(dev);
412 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
414 cp->drv_owner = THIS_MODULE;
415 cp->chip_id = bp->chip_id;
417 cp->io_base = bp->regview;
418 cp->drv_ctl = bnx2_drv_ctl;
419 cp->drv_register_cnic = bnx2_register_cnic;
420 cp->drv_unregister_cnic = bnx2_unregister_cnic;
424 EXPORT_SYMBOL(bnx2_cnic_probe);
427 bnx2_cnic_stop(struct bnx2 *bp)
429 struct cnic_ops *c_ops;
430 struct cnic_ctl_info info;
433 c_ops = rcu_dereference(bp->cnic_ops);
435 info.cmd = CNIC_CTL_STOP_CMD;
436 c_ops->cnic_ctl(bp->cnic_data, &info);
442 bnx2_cnic_start(struct bnx2 *bp)
444 struct cnic_ops *c_ops;
445 struct cnic_ctl_info info;
448 c_ops = rcu_dereference(bp->cnic_ops);
450 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
451 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
453 bnapi->cnic_tag = bnapi->last_status_idx;
455 info.cmd = CNIC_CTL_START_CMD;
456 c_ops->cnic_ctl(bp->cnic_data, &info);
464 bnx2_cnic_stop(struct bnx2 *bp)
469 bnx2_cnic_start(struct bnx2 *bp)
476 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
481 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
482 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
483 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
485 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
486 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
491 val1 = (bp->phy_addr << 21) | (reg << 16) |
492 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
493 BNX2_EMAC_MDIO_COMM_START_BUSY;
494 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
496 for (i = 0; i < 50; i++) {
499 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
500 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
503 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
504 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
510 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
519 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
520 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
521 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
523 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
524 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
533 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
538 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
539 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
540 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
542 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
543 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
548 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
549 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
550 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
551 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
553 for (i = 0; i < 50; i++) {
556 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
557 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
563 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
568 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
569 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
570 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
572 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
573 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
582 bnx2_disable_int(struct bnx2 *bp)
585 struct bnx2_napi *bnapi;
587 for (i = 0; i < bp->irq_nvecs; i++) {
588 bnapi = &bp->bnx2_napi[i];
589 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
590 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
592 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
596 bnx2_enable_int(struct bnx2 *bp)
599 struct bnx2_napi *bnapi;
601 for (i = 0; i < bp->irq_nvecs; i++) {
602 bnapi = &bp->bnx2_napi[i];
604 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
605 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
606 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
607 bnapi->last_status_idx);
609 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
610 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
611 bnapi->last_status_idx);
613 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
617 bnx2_disable_int_sync(struct bnx2 *bp)
621 atomic_inc(&bp->intr_sem);
622 bnx2_disable_int(bp);
623 for (i = 0; i < bp->irq_nvecs; i++)
624 synchronize_irq(bp->irq_tbl[i].vector);
628 bnx2_napi_disable(struct bnx2 *bp)
632 for (i = 0; i < bp->irq_nvecs; i++)
633 napi_disable(&bp->bnx2_napi[i].napi);
637 bnx2_napi_enable(struct bnx2 *bp)
641 for (i = 0; i < bp->irq_nvecs; i++)
642 napi_enable(&bp->bnx2_napi[i].napi);
646 bnx2_netif_stop(struct bnx2 *bp)
649 bnx2_disable_int_sync(bp);
650 if (netif_running(bp->dev)) {
651 bnx2_napi_disable(bp);
652 netif_tx_disable(bp->dev);
653 bp->dev->trans_start = jiffies; /* prevent tx timeout */
658 bnx2_netif_start(struct bnx2 *bp)
660 if (atomic_dec_and_test(&bp->intr_sem)) {
661 if (netif_running(bp->dev)) {
662 netif_tx_wake_all_queues(bp->dev);
663 bnx2_napi_enable(bp);
671 bnx2_free_tx_mem(struct bnx2 *bp)
675 for (i = 0; i < bp->num_tx_rings; i++) {
676 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
677 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
679 if (txr->tx_desc_ring) {
680 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
682 txr->tx_desc_mapping);
683 txr->tx_desc_ring = NULL;
685 kfree(txr->tx_buf_ring);
686 txr->tx_buf_ring = NULL;
691 bnx2_free_rx_mem(struct bnx2 *bp)
695 for (i = 0; i < bp->num_rx_rings; i++) {
696 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
697 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
700 for (j = 0; j < bp->rx_max_ring; j++) {
701 if (rxr->rx_desc_ring[j])
702 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
703 rxr->rx_desc_ring[j],
704 rxr->rx_desc_mapping[j]);
705 rxr->rx_desc_ring[j] = NULL;
707 vfree(rxr->rx_buf_ring);
708 rxr->rx_buf_ring = NULL;
710 for (j = 0; j < bp->rx_max_pg_ring; j++) {
711 if (rxr->rx_pg_desc_ring[j])
712 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
713 rxr->rx_pg_desc_ring[j],
714 rxr->rx_pg_desc_mapping[j]);
715 rxr->rx_pg_desc_ring[j] = NULL;
717 vfree(rxr->rx_pg_ring);
718 rxr->rx_pg_ring = NULL;
723 bnx2_alloc_tx_mem(struct bnx2 *bp)
727 for (i = 0; i < bp->num_tx_rings; i++) {
728 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
729 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
731 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
732 if (txr->tx_buf_ring == NULL)
736 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
737 &txr->tx_desc_mapping);
738 if (txr->tx_desc_ring == NULL)
745 bnx2_alloc_rx_mem(struct bnx2 *bp)
749 for (i = 0; i < bp->num_rx_rings; i++) {
750 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
751 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
755 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
756 if (rxr->rx_buf_ring == NULL)
759 memset(rxr->rx_buf_ring, 0,
760 SW_RXBD_RING_SIZE * bp->rx_max_ring);
762 for (j = 0; j < bp->rx_max_ring; j++) {
763 rxr->rx_desc_ring[j] =
764 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
765 &rxr->rx_desc_mapping[j]);
766 if (rxr->rx_desc_ring[j] == NULL)
771 if (bp->rx_pg_ring_size) {
772 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
774 if (rxr->rx_pg_ring == NULL)
777 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
781 for (j = 0; j < bp->rx_max_pg_ring; j++) {
782 rxr->rx_pg_desc_ring[j] =
783 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
784 &rxr->rx_pg_desc_mapping[j]);
785 if (rxr->rx_pg_desc_ring[j] == NULL)
794 bnx2_free_mem(struct bnx2 *bp)
797 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
799 bnx2_free_tx_mem(bp);
800 bnx2_free_rx_mem(bp);
802 for (i = 0; i < bp->ctx_pages; i++) {
803 if (bp->ctx_blk[i]) {
804 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
806 bp->ctx_blk_mapping[i]);
807 bp->ctx_blk[i] = NULL;
810 if (bnapi->status_blk.msi) {
811 pci_free_consistent(bp->pdev, bp->status_stats_size,
812 bnapi->status_blk.msi,
813 bp->status_blk_mapping);
814 bnapi->status_blk.msi = NULL;
815 bp->stats_blk = NULL;
820 bnx2_alloc_mem(struct bnx2 *bp)
822 int i, status_blk_size, err;
823 struct bnx2_napi *bnapi;
826 /* Combine status and statistics blocks into one allocation. */
827 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
828 if (bp->flags & BNX2_FLAG_MSIX_CAP)
829 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
830 BNX2_SBLK_MSIX_ALIGN_SIZE);
831 bp->status_stats_size = status_blk_size +
832 sizeof(struct statistics_block);
834 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
835 &bp->status_blk_mapping);
836 if (status_blk == NULL)
839 memset(status_blk, 0, bp->status_stats_size);
841 bnapi = &bp->bnx2_napi[0];
842 bnapi->status_blk.msi = status_blk;
843 bnapi->hw_tx_cons_ptr =
844 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
845 bnapi->hw_rx_cons_ptr =
846 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
847 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
848 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
849 struct status_block_msix *sblk;
851 bnapi = &bp->bnx2_napi[i];
853 sblk = (void *) (status_blk +
854 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
855 bnapi->status_blk.msix = sblk;
856 bnapi->hw_tx_cons_ptr =
857 &sblk->status_tx_quick_consumer_index;
858 bnapi->hw_rx_cons_ptr =
859 &sblk->status_rx_quick_consumer_index;
860 bnapi->int_num = i << 24;
864 bp->stats_blk = status_blk + status_blk_size;
866 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
868 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
869 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
870 if (bp->ctx_pages == 0)
872 for (i = 0; i < bp->ctx_pages; i++) {
873 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
875 &bp->ctx_blk_mapping[i]);
876 if (bp->ctx_blk[i] == NULL)
881 err = bnx2_alloc_rx_mem(bp);
885 err = bnx2_alloc_tx_mem(bp);
897 bnx2_report_fw_link(struct bnx2 *bp)
899 u32 fw_link_status = 0;
901 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
907 switch (bp->line_speed) {
909 if (bp->duplex == DUPLEX_HALF)
910 fw_link_status = BNX2_LINK_STATUS_10HALF;
912 fw_link_status = BNX2_LINK_STATUS_10FULL;
915 if (bp->duplex == DUPLEX_HALF)
916 fw_link_status = BNX2_LINK_STATUS_100HALF;
918 fw_link_status = BNX2_LINK_STATUS_100FULL;
921 if (bp->duplex == DUPLEX_HALF)
922 fw_link_status = BNX2_LINK_STATUS_1000HALF;
924 fw_link_status = BNX2_LINK_STATUS_1000FULL;
927 if (bp->duplex == DUPLEX_HALF)
928 fw_link_status = BNX2_LINK_STATUS_2500HALF;
930 fw_link_status = BNX2_LINK_STATUS_2500FULL;
934 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
937 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
939 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
940 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
942 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
943 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
944 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
946 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
950 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
952 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
956 bnx2_xceiver_str(struct bnx2 *bp)
958 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
959 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
964 bnx2_report_link(struct bnx2 *bp)
967 netif_carrier_on(bp->dev);
968 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
969 bnx2_xceiver_str(bp));
971 printk("%d Mbps ", bp->line_speed);
973 if (bp->duplex == DUPLEX_FULL)
974 printk("full duplex");
976 printk("half duplex");
979 if (bp->flow_ctrl & FLOW_CTRL_RX) {
980 printk(", receive ");
981 if (bp->flow_ctrl & FLOW_CTRL_TX)
982 printk("& transmit ");
985 printk(", transmit ");
987 printk("flow control ON");
992 netif_carrier_off(bp->dev);
993 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
994 bnx2_xceiver_str(bp));
997 bnx2_report_fw_link(bp);
1001 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1003 u32 local_adv, remote_adv;
1006 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1007 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1009 if (bp->duplex == DUPLEX_FULL) {
1010 bp->flow_ctrl = bp->req_flow_ctrl;
1015 if (bp->duplex != DUPLEX_FULL) {
1019 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1020 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
1023 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1024 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1025 bp->flow_ctrl |= FLOW_CTRL_TX;
1026 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1027 bp->flow_ctrl |= FLOW_CTRL_RX;
1031 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1032 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1034 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1035 u32 new_local_adv = 0;
1036 u32 new_remote_adv = 0;
1038 if (local_adv & ADVERTISE_1000XPAUSE)
1039 new_local_adv |= ADVERTISE_PAUSE_CAP;
1040 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1041 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1042 if (remote_adv & ADVERTISE_1000XPAUSE)
1043 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1044 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1045 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1047 local_adv = new_local_adv;
1048 remote_adv = new_remote_adv;
1051 /* See Table 28B-3 of 802.3ab-1999 spec. */
1052 if (local_adv & ADVERTISE_PAUSE_CAP) {
1053 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1054 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1055 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1057 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1058 bp->flow_ctrl = FLOW_CTRL_RX;
1062 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1063 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1067 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1068 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1069 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1071 bp->flow_ctrl = FLOW_CTRL_TX;
1077 bnx2_5709s_linkup(struct bnx2 *bp)
1083 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1084 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1085 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1087 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1088 bp->line_speed = bp->req_line_speed;
1089 bp->duplex = bp->req_duplex;
1092 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1094 case MII_BNX2_GP_TOP_AN_SPEED_10:
1095 bp->line_speed = SPEED_10;
1097 case MII_BNX2_GP_TOP_AN_SPEED_100:
1098 bp->line_speed = SPEED_100;
1100 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1101 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1102 bp->line_speed = SPEED_1000;
1104 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1105 bp->line_speed = SPEED_2500;
1108 if (val & MII_BNX2_GP_TOP_AN_FD)
1109 bp->duplex = DUPLEX_FULL;
1111 bp->duplex = DUPLEX_HALF;
1116 bnx2_5708s_linkup(struct bnx2 *bp)
1121 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1122 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1123 case BCM5708S_1000X_STAT1_SPEED_10:
1124 bp->line_speed = SPEED_10;
1126 case BCM5708S_1000X_STAT1_SPEED_100:
1127 bp->line_speed = SPEED_100;
1129 case BCM5708S_1000X_STAT1_SPEED_1G:
1130 bp->line_speed = SPEED_1000;
1132 case BCM5708S_1000X_STAT1_SPEED_2G5:
1133 bp->line_speed = SPEED_2500;
1136 if (val & BCM5708S_1000X_STAT1_FD)
1137 bp->duplex = DUPLEX_FULL;
1139 bp->duplex = DUPLEX_HALF;
1145 bnx2_5706s_linkup(struct bnx2 *bp)
1147 u32 bmcr, local_adv, remote_adv, common;
1150 bp->line_speed = SPEED_1000;
1152 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1153 if (bmcr & BMCR_FULLDPLX) {
1154 bp->duplex = DUPLEX_FULL;
1157 bp->duplex = DUPLEX_HALF;
1160 if (!(bmcr & BMCR_ANENABLE)) {
1164 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1165 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1167 common = local_adv & remote_adv;
1168 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1170 if (common & ADVERTISE_1000XFULL) {
1171 bp->duplex = DUPLEX_FULL;
1174 bp->duplex = DUPLEX_HALF;
1182 bnx2_copper_linkup(struct bnx2 *bp)
1186 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1187 if (bmcr & BMCR_ANENABLE) {
1188 u32 local_adv, remote_adv, common;
1190 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1191 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1193 common = local_adv & (remote_adv >> 2);
1194 if (common & ADVERTISE_1000FULL) {
1195 bp->line_speed = SPEED_1000;
1196 bp->duplex = DUPLEX_FULL;
1198 else if (common & ADVERTISE_1000HALF) {
1199 bp->line_speed = SPEED_1000;
1200 bp->duplex = DUPLEX_HALF;
1203 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1204 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1206 common = local_adv & remote_adv;
1207 if (common & ADVERTISE_100FULL) {
1208 bp->line_speed = SPEED_100;
1209 bp->duplex = DUPLEX_FULL;
1211 else if (common & ADVERTISE_100HALF) {
1212 bp->line_speed = SPEED_100;
1213 bp->duplex = DUPLEX_HALF;
1215 else if (common & ADVERTISE_10FULL) {
1216 bp->line_speed = SPEED_10;
1217 bp->duplex = DUPLEX_FULL;
1219 else if (common & ADVERTISE_10HALF) {
1220 bp->line_speed = SPEED_10;
1221 bp->duplex = DUPLEX_HALF;
1230 if (bmcr & BMCR_SPEED100) {
1231 bp->line_speed = SPEED_100;
1234 bp->line_speed = SPEED_10;
1236 if (bmcr & BMCR_FULLDPLX) {
1237 bp->duplex = DUPLEX_FULL;
1240 bp->duplex = DUPLEX_HALF;
1248 bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
1250 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
1252 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1253 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1256 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1257 u32 lo_water, hi_water;
1259 if (bp->flow_ctrl & FLOW_CTRL_TX)
1260 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1262 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1263 if (lo_water >= bp->rx_ring_size)
1266 hi_water = bp->rx_ring_size / 4;
1268 if (hi_water <= lo_water)
1271 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1272 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1276 else if (hi_water == 0)
1278 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1280 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1284 bnx2_init_all_rx_contexts(struct bnx2 *bp)
1289 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1292 bnx2_init_rx_context(bp, cid);
1297 bnx2_set_mac_link(struct bnx2 *bp)
1301 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1302 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1303 (bp->duplex == DUPLEX_HALF)) {
1304 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1307 /* Configure the EMAC mode register. */
1308 val = REG_RD(bp, BNX2_EMAC_MODE);
1310 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1311 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1312 BNX2_EMAC_MODE_25G_MODE);
1315 switch (bp->line_speed) {
1317 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1318 val |= BNX2_EMAC_MODE_PORT_MII_10M;
1323 val |= BNX2_EMAC_MODE_PORT_MII;
1326 val |= BNX2_EMAC_MODE_25G_MODE;
1329 val |= BNX2_EMAC_MODE_PORT_GMII;
1334 val |= BNX2_EMAC_MODE_PORT_GMII;
1337 /* Set the MAC to operate in the appropriate duplex mode. */
1338 if (bp->duplex == DUPLEX_HALF)
1339 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1340 REG_WR(bp, BNX2_EMAC_MODE, val);
1342 /* Enable/disable rx PAUSE. */
1343 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1345 if (bp->flow_ctrl & FLOW_CTRL_RX)
1346 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1347 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1349 /* Enable/disable tx PAUSE. */
1350 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1351 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1353 if (bp->flow_ctrl & FLOW_CTRL_TX)
1354 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1355 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1357 /* Acknowledge the interrupt. */
1358 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1360 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1361 bnx2_init_all_rx_contexts(bp);
1365 bnx2_enable_bmsr1(struct bnx2 *bp)
1367 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1368 (CHIP_NUM(bp) == CHIP_NUM_5709))
1369 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1370 MII_BNX2_BLK_ADDR_GP_STATUS);
1374 bnx2_disable_bmsr1(struct bnx2 *bp)
1376 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1377 (CHIP_NUM(bp) == CHIP_NUM_5709))
1378 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1379 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1383 bnx2_test_and_enable_2g5(struct bnx2 *bp)
1388 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1391 if (bp->autoneg & AUTONEG_SPEED)
1392 bp->advertising |= ADVERTISED_2500baseX_Full;
1394 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1395 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1397 bnx2_read_phy(bp, bp->mii_up1, &up1);
1398 if (!(up1 & BCM5708S_UP1_2G5)) {
1399 up1 |= BCM5708S_UP1_2G5;
1400 bnx2_write_phy(bp, bp->mii_up1, up1);
1404 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1405 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1406 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1412 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1417 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1420 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1421 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1423 bnx2_read_phy(bp, bp->mii_up1, &up1);
1424 if (up1 & BCM5708S_UP1_2G5) {
1425 up1 &= ~BCM5708S_UP1_2G5;
1426 bnx2_write_phy(bp, bp->mii_up1, up1);
1430 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1431 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1432 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1438 bnx2_enable_forced_2g5(struct bnx2 *bp)
1442 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1445 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1448 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1449 MII_BNX2_BLK_ADDR_SERDES_DIG);
1450 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1451 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1452 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1453 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1455 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1456 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1457 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1459 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1460 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1461 bmcr |= BCM5708S_BMCR_FORCE_2500;
1464 if (bp->autoneg & AUTONEG_SPEED) {
1465 bmcr &= ~BMCR_ANENABLE;
1466 if (bp->req_duplex == DUPLEX_FULL)
1467 bmcr |= BMCR_FULLDPLX;
1469 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1473 bnx2_disable_forced_2g5(struct bnx2 *bp)
1477 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1480 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1483 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1484 MII_BNX2_BLK_ADDR_SERDES_DIG);
1485 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1486 val &= ~MII_BNX2_SD_MISC1_FORCE;
1487 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1489 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1490 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1491 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1493 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1494 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1495 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1498 if (bp->autoneg & AUTONEG_SPEED)
1499 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1500 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1504 bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1508 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1509 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1511 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1513 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1517 bnx2_set_link(struct bnx2 *bp)
1522 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1527 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1530 link_up = bp->link_up;
1532 bnx2_enable_bmsr1(bp);
1533 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1534 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1535 bnx2_disable_bmsr1(bp);
1537 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1538 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1541 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1542 bnx2_5706s_force_link_dn(bp, 0);
1543 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1545 val = REG_RD(bp, BNX2_EMAC_STATUS);
1547 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1548 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1549 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1551 if ((val & BNX2_EMAC_STATUS_LINK) &&
1552 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1553 bmsr |= BMSR_LSTATUS;
1555 bmsr &= ~BMSR_LSTATUS;
1558 if (bmsr & BMSR_LSTATUS) {
1561 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1562 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1563 bnx2_5706s_linkup(bp);
1564 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1565 bnx2_5708s_linkup(bp);
1566 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1567 bnx2_5709s_linkup(bp);
1570 bnx2_copper_linkup(bp);
1572 bnx2_resolve_flow_ctrl(bp);
1575 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1576 (bp->autoneg & AUTONEG_SPEED))
1577 bnx2_disable_forced_2g5(bp);
1579 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1582 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1583 bmcr |= BMCR_ANENABLE;
1584 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1586 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1591 if (bp->link_up != link_up) {
1592 bnx2_report_link(bp);
1595 bnx2_set_mac_link(bp);
1601 bnx2_reset_phy(struct bnx2 *bp)
1606 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1608 #define PHY_RESET_MAX_WAIT 100
1609 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1612 bnx2_read_phy(bp, bp->mii_bmcr, ®);
1613 if (!(reg & BMCR_RESET)) {
1618 if (i == PHY_RESET_MAX_WAIT) {
1625 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1629 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1630 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1632 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1633 adv = ADVERTISE_1000XPAUSE;
1636 adv = ADVERTISE_PAUSE_CAP;
1639 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1640 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1641 adv = ADVERTISE_1000XPSE_ASYM;
1644 adv = ADVERTISE_PAUSE_ASYM;
1647 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1648 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1649 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1652 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1658 static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
1661 bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1662 __releases(&bp->phy_lock)
1663 __acquires(&bp->phy_lock)
1665 u32 speed_arg = 0, pause_adv;
1667 pause_adv = bnx2_phy_get_pause_adv(bp);
1669 if (bp->autoneg & AUTONEG_SPEED) {
1670 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1671 if (bp->advertising & ADVERTISED_10baseT_Half)
1672 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1673 if (bp->advertising & ADVERTISED_10baseT_Full)
1674 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1675 if (bp->advertising & ADVERTISED_100baseT_Half)
1676 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1677 if (bp->advertising & ADVERTISED_100baseT_Full)
1678 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1679 if (bp->advertising & ADVERTISED_1000baseT_Full)
1680 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1681 if (bp->advertising & ADVERTISED_2500baseX_Full)
1682 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1684 if (bp->req_line_speed == SPEED_2500)
1685 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1686 else if (bp->req_line_speed == SPEED_1000)
1687 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1688 else if (bp->req_line_speed == SPEED_100) {
1689 if (bp->req_duplex == DUPLEX_FULL)
1690 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1692 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1693 } else if (bp->req_line_speed == SPEED_10) {
1694 if (bp->req_duplex == DUPLEX_FULL)
1695 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1697 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1701 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1702 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1703 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1704 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1706 if (port == PORT_TP)
1707 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1708 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1710 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1712 spin_unlock_bh(&bp->phy_lock);
1713 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
1714 spin_lock_bh(&bp->phy_lock);
1720 bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1721 __releases(&bp->phy_lock)
1722 __acquires(&bp->phy_lock)
1727 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1728 return (bnx2_setup_remote_phy(bp, port));
1730 if (!(bp->autoneg & AUTONEG_SPEED)) {
1732 int force_link_down = 0;
1734 if (bp->req_line_speed == SPEED_2500) {
1735 if (!bnx2_test_and_enable_2g5(bp))
1736 force_link_down = 1;
1737 } else if (bp->req_line_speed == SPEED_1000) {
1738 if (bnx2_test_and_disable_2g5(bp))
1739 force_link_down = 1;
1741 bnx2_read_phy(bp, bp->mii_adv, &adv);
1742 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1744 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1745 new_bmcr = bmcr & ~BMCR_ANENABLE;
1746 new_bmcr |= BMCR_SPEED1000;
1748 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1749 if (bp->req_line_speed == SPEED_2500)
1750 bnx2_enable_forced_2g5(bp);
1751 else if (bp->req_line_speed == SPEED_1000) {
1752 bnx2_disable_forced_2g5(bp);
1753 new_bmcr &= ~0x2000;
1756 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1757 if (bp->req_line_speed == SPEED_2500)
1758 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1760 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1763 if (bp->req_duplex == DUPLEX_FULL) {
1764 adv |= ADVERTISE_1000XFULL;
1765 new_bmcr |= BMCR_FULLDPLX;
1768 adv |= ADVERTISE_1000XHALF;
1769 new_bmcr &= ~BMCR_FULLDPLX;
1771 if ((new_bmcr != bmcr) || (force_link_down)) {
1772 /* Force a link down visible on the other side */
1774 bnx2_write_phy(bp, bp->mii_adv, adv &
1775 ~(ADVERTISE_1000XFULL |
1776 ADVERTISE_1000XHALF));
1777 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1778 BMCR_ANRESTART | BMCR_ANENABLE);
1781 netif_carrier_off(bp->dev);
1782 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1783 bnx2_report_link(bp);
1785 bnx2_write_phy(bp, bp->mii_adv, adv);
1786 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1788 bnx2_resolve_flow_ctrl(bp);
1789 bnx2_set_mac_link(bp);
1794 bnx2_test_and_enable_2g5(bp);
1796 if (bp->advertising & ADVERTISED_1000baseT_Full)
1797 new_adv |= ADVERTISE_1000XFULL;
1799 new_adv |= bnx2_phy_get_pause_adv(bp);
1801 bnx2_read_phy(bp, bp->mii_adv, &adv);
1802 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1804 bp->serdes_an_pending = 0;
1805 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1806 /* Force a link down visible on the other side */
1808 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1809 spin_unlock_bh(&bp->phy_lock);
1811 spin_lock_bh(&bp->phy_lock);
1814 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1815 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1817 /* Speed up link-up time when the link partner
1818 * does not autonegotiate which is very common
1819 * in blade servers. Some blade servers use
1820 * IPMI for kerboard input and it's important
1821 * to minimize link disruptions. Autoneg. involves
1822 * exchanging base pages plus 3 next pages and
1823 * normally completes in about 120 msec.
1825 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
1826 bp->serdes_an_pending = 1;
1827 mod_timer(&bp->timer, jiffies + bp->current_interval);
1829 bnx2_resolve_flow_ctrl(bp);
1830 bnx2_set_mac_link(bp);
1836 #define ETHTOOL_ALL_FIBRE_SPEED \
1837 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
1838 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1839 (ADVERTISED_1000baseT_Full)
1841 #define ETHTOOL_ALL_COPPER_SPEED \
1842 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1843 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1844 ADVERTISED_1000baseT_Full)
1846 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1847 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1849 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1852 bnx2_set_default_remote_link(struct bnx2 *bp)
1856 if (bp->phy_port == PORT_TP)
1857 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1859 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1861 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1862 bp->req_line_speed = 0;
1863 bp->autoneg |= AUTONEG_SPEED;
1864 bp->advertising = ADVERTISED_Autoneg;
1865 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1866 bp->advertising |= ADVERTISED_10baseT_Half;
1867 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1868 bp->advertising |= ADVERTISED_10baseT_Full;
1869 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1870 bp->advertising |= ADVERTISED_100baseT_Half;
1871 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1872 bp->advertising |= ADVERTISED_100baseT_Full;
1873 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1874 bp->advertising |= ADVERTISED_1000baseT_Full;
1875 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1876 bp->advertising |= ADVERTISED_2500baseX_Full;
1879 bp->advertising = 0;
1880 bp->req_duplex = DUPLEX_FULL;
1881 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1882 bp->req_line_speed = SPEED_10;
1883 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1884 bp->req_duplex = DUPLEX_HALF;
1886 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1887 bp->req_line_speed = SPEED_100;
1888 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1889 bp->req_duplex = DUPLEX_HALF;
1891 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1892 bp->req_line_speed = SPEED_1000;
1893 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1894 bp->req_line_speed = SPEED_2500;
1899 bnx2_set_default_link(struct bnx2 *bp)
1901 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1902 bnx2_set_default_remote_link(bp);
1906 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1907 bp->req_line_speed = 0;
1908 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1911 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1913 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1914 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1915 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1917 bp->req_line_speed = bp->line_speed = SPEED_1000;
1918 bp->req_duplex = DUPLEX_FULL;
1921 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1925 bnx2_send_heart_beat(struct bnx2 *bp)
1930 spin_lock(&bp->indirect_lock);
1931 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1932 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1933 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1934 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1935 spin_unlock(&bp->indirect_lock);
1939 bnx2_remote_phy_event(struct bnx2 *bp)
1942 u8 link_up = bp->link_up;
1945 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1947 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1948 bnx2_send_heart_beat(bp);
1950 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1952 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1958 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1959 bp->duplex = DUPLEX_FULL;
1961 case BNX2_LINK_STATUS_10HALF:
1962 bp->duplex = DUPLEX_HALF;
1963 case BNX2_LINK_STATUS_10FULL:
1964 bp->line_speed = SPEED_10;
1966 case BNX2_LINK_STATUS_100HALF:
1967 bp->duplex = DUPLEX_HALF;
1968 case BNX2_LINK_STATUS_100BASE_T4:
1969 case BNX2_LINK_STATUS_100FULL:
1970 bp->line_speed = SPEED_100;
1972 case BNX2_LINK_STATUS_1000HALF:
1973 bp->duplex = DUPLEX_HALF;
1974 case BNX2_LINK_STATUS_1000FULL:
1975 bp->line_speed = SPEED_1000;
1977 case BNX2_LINK_STATUS_2500HALF:
1978 bp->duplex = DUPLEX_HALF;
1979 case BNX2_LINK_STATUS_2500FULL:
1980 bp->line_speed = SPEED_2500;
1988 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1989 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1990 if (bp->duplex == DUPLEX_FULL)
1991 bp->flow_ctrl = bp->req_flow_ctrl;
1993 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1994 bp->flow_ctrl |= FLOW_CTRL_TX;
1995 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1996 bp->flow_ctrl |= FLOW_CTRL_RX;
1999 old_port = bp->phy_port;
2000 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2001 bp->phy_port = PORT_FIBRE;
2003 bp->phy_port = PORT_TP;
2005 if (old_port != bp->phy_port)
2006 bnx2_set_default_link(bp);
2009 if (bp->link_up != link_up)
2010 bnx2_report_link(bp);
2012 bnx2_set_mac_link(bp);
2016 bnx2_set_remote_link(struct bnx2 *bp)
2020 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
2022 case BNX2_FW_EVT_CODE_LINK_EVENT:
2023 bnx2_remote_phy_event(bp);
2025 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2027 bnx2_send_heart_beat(bp);
2034 bnx2_setup_copper_phy(struct bnx2 *bp)
2035 __releases(&bp->phy_lock)
2036 __acquires(&bp->phy_lock)
2041 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
2043 if (bp->autoneg & AUTONEG_SPEED) {
2044 u32 adv_reg, adv1000_reg;
2045 u32 new_adv_reg = 0;
2046 u32 new_adv1000_reg = 0;
2048 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2049 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2050 ADVERTISE_PAUSE_ASYM);
2052 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2053 adv1000_reg &= PHY_ALL_1000_SPEED;
2055 if (bp->advertising & ADVERTISED_10baseT_Half)
2056 new_adv_reg |= ADVERTISE_10HALF;
2057 if (bp->advertising & ADVERTISED_10baseT_Full)
2058 new_adv_reg |= ADVERTISE_10FULL;
2059 if (bp->advertising & ADVERTISED_100baseT_Half)
2060 new_adv_reg |= ADVERTISE_100HALF;
2061 if (bp->advertising & ADVERTISED_100baseT_Full)
2062 new_adv_reg |= ADVERTISE_100FULL;
2063 if (bp->advertising & ADVERTISED_1000baseT_Full)
2064 new_adv1000_reg |= ADVERTISE_1000FULL;
2066 new_adv_reg |= ADVERTISE_CSMA;
2068 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
2070 if ((adv1000_reg != new_adv1000_reg) ||
2071 (adv_reg != new_adv_reg) ||
2072 ((bmcr & BMCR_ANENABLE) == 0)) {
2074 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
2075 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
2076 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
2079 else if (bp->link_up) {
2080 /* Flow ctrl may have changed from auto to forced */
2081 /* or vice-versa. */
2083 bnx2_resolve_flow_ctrl(bp);
2084 bnx2_set_mac_link(bp);
2090 if (bp->req_line_speed == SPEED_100) {
2091 new_bmcr |= BMCR_SPEED100;
2093 if (bp->req_duplex == DUPLEX_FULL) {
2094 new_bmcr |= BMCR_FULLDPLX;
2096 if (new_bmcr != bmcr) {
2099 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2100 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2102 if (bmsr & BMSR_LSTATUS) {
2103 /* Force link down */
2104 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
2105 spin_unlock_bh(&bp->phy_lock);
2107 spin_lock_bh(&bp->phy_lock);
2109 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2110 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2113 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
2115 /* Normally, the new speed is setup after the link has
2116 * gone down and up again. In some cases, link will not go
2117 * down so we need to set up the new speed here.
2119 if (bmsr & BMSR_LSTATUS) {
2120 bp->line_speed = bp->req_line_speed;
2121 bp->duplex = bp->req_duplex;
2122 bnx2_resolve_flow_ctrl(bp);
2123 bnx2_set_mac_link(bp);
2126 bnx2_resolve_flow_ctrl(bp);
2127 bnx2_set_mac_link(bp);
2133 bnx2_setup_phy(struct bnx2 *bp, u8 port)
2134 __releases(&bp->phy_lock)
2135 __acquires(&bp->phy_lock)
2137 if (bp->loopback == MAC_LOOPBACK)
2140 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2141 return (bnx2_setup_serdes_phy(bp, port));
2144 return (bnx2_setup_copper_phy(bp));
2149 bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
2153 bp->mii_bmcr = MII_BMCR + 0x10;
2154 bp->mii_bmsr = MII_BMSR + 0x10;
2155 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2156 bp->mii_adv = MII_ADVERTISE + 0x10;
2157 bp->mii_lpa = MII_LPA + 0x10;
2158 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2160 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2161 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2163 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2167 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2169 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2170 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2171 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2172 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2174 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2175 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
2176 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
2177 val |= BCM5708S_UP1_2G5;
2179 val &= ~BCM5708S_UP1_2G5;
2180 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2182 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2183 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2184 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2185 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2187 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2189 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2190 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2191 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2193 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2199 bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
2206 bp->mii_up1 = BCM5708S_UP1;
2208 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2209 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2210 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2212 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2213 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2214 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2216 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2217 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2218 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2220 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
2221 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2222 val |= BCM5708S_UP1_2G5;
2223 bnx2_write_phy(bp, BCM5708S_UP1, val);
2226 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
2227 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2228 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
2229 /* increase tx signal amplitude */
2230 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2231 BCM5708S_BLK_ADDR_TX_MISC);
2232 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2233 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2234 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2235 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2238 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
2239 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2244 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
2245 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2246 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2247 BCM5708S_BLK_ADDR_TX_MISC);
2248 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2249 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2250 BCM5708S_BLK_ADDR_DIG);
2257 bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
2262 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
2264 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2265 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
2267 if (bp->dev->mtu > 1500) {
2270 /* Set extended packet length bit */
2271 bnx2_write_phy(bp, 0x18, 0x7);
2272 bnx2_read_phy(bp, 0x18, &val);
2273 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2275 bnx2_write_phy(bp, 0x1c, 0x6c00);
2276 bnx2_read_phy(bp, 0x1c, &val);
2277 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2282 bnx2_write_phy(bp, 0x18, 0x7);
2283 bnx2_read_phy(bp, 0x18, &val);
2284 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2286 bnx2_write_phy(bp, 0x1c, 0x6c00);
2287 bnx2_read_phy(bp, 0x1c, &val);
2288 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2295 bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2302 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2303 bnx2_write_phy(bp, 0x18, 0x0c00);
2304 bnx2_write_phy(bp, 0x17, 0x000a);
2305 bnx2_write_phy(bp, 0x15, 0x310b);
2306 bnx2_write_phy(bp, 0x17, 0x201f);
2307 bnx2_write_phy(bp, 0x15, 0x9506);
2308 bnx2_write_phy(bp, 0x17, 0x401f);
2309 bnx2_write_phy(bp, 0x15, 0x14e2);
2310 bnx2_write_phy(bp, 0x18, 0x0400);
2313 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2314 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2315 MII_BNX2_DSP_EXPAND_REG | 0x8);
2316 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2318 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2321 if (bp->dev->mtu > 1500) {
2322 /* Set extended packet length bit */
2323 bnx2_write_phy(bp, 0x18, 0x7);
2324 bnx2_read_phy(bp, 0x18, &val);
2325 bnx2_write_phy(bp, 0x18, val | 0x4000);
2327 bnx2_read_phy(bp, 0x10, &val);
2328 bnx2_write_phy(bp, 0x10, val | 0x1);
2331 bnx2_write_phy(bp, 0x18, 0x7);
2332 bnx2_read_phy(bp, 0x18, &val);
2333 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2335 bnx2_read_phy(bp, 0x10, &val);
2336 bnx2_write_phy(bp, 0x10, val & ~0x1);
2339 /* ethernet@wirespeed */
2340 bnx2_write_phy(bp, 0x18, 0x7007);
2341 bnx2_read_phy(bp, 0x18, &val);
2342 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2348 bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2349 __releases(&bp->phy_lock)
2350 __acquires(&bp->phy_lock)
2355 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2356 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2358 bp->mii_bmcr = MII_BMCR;
2359 bp->mii_bmsr = MII_BMSR;
2360 bp->mii_bmsr1 = MII_BMSR;
2361 bp->mii_adv = MII_ADVERTISE;
2362 bp->mii_lpa = MII_LPA;
2364 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2366 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2369 bnx2_read_phy(bp, MII_PHYSID1, &val);
2370 bp->phy_id = val << 16;
2371 bnx2_read_phy(bp, MII_PHYSID2, &val);
2372 bp->phy_id |= val & 0xffff;
2374 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2375 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2376 rc = bnx2_init_5706s_phy(bp, reset_phy);
2377 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2378 rc = bnx2_init_5708s_phy(bp, reset_phy);
2379 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2380 rc = bnx2_init_5709s_phy(bp, reset_phy);
2383 rc = bnx2_init_copper_phy(bp, reset_phy);
2388 rc = bnx2_setup_phy(bp, bp->phy_port);
2394 bnx2_set_mac_loopback(struct bnx2 *bp)
2398 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2399 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2400 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2401 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2406 static int bnx2_test_link(struct bnx2 *);
2409 bnx2_set_phy_loopback(struct bnx2 *bp)
2414 spin_lock_bh(&bp->phy_lock);
2415 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2417 spin_unlock_bh(&bp->phy_lock);
2421 for (i = 0; i < 10; i++) {
2422 if (bnx2_test_link(bp) == 0)
2427 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2428 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2429 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2430 BNX2_EMAC_MODE_25G_MODE);
2432 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2433 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2439 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
2445 msg_data |= bp->fw_wr_seq;
2447 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2452 /* wait for an acknowledgement. */
2453 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
2456 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2458 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2461 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2464 /* If we timed out, inform the firmware that this is the case. */
2465 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2467 printk(KERN_ERR PFX "fw sync timeout, reset code = "
2470 msg_data &= ~BNX2_DRV_MSG_CODE;
2471 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2473 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2478 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2485 bnx2_init_5709_context(struct bnx2 *bp)
2490 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2491 val |= (BCM_PAGE_BITS - 8) << 16;
2492 REG_WR(bp, BNX2_CTX_COMMAND, val);
2493 for (i = 0; i < 10; i++) {
2494 val = REG_RD(bp, BNX2_CTX_COMMAND);
2495 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2499 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2502 for (i = 0; i < bp->ctx_pages; i++) {
2506 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2510 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2511 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2512 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2513 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2514 (u64) bp->ctx_blk_mapping[i] >> 32);
2515 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2516 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2517 for (j = 0; j < 10; j++) {
2519 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2520 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2524 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2533 bnx2_init_context(struct bnx2 *bp)
2539 u32 vcid_addr, pcid_addr, offset;
2544 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2547 vcid_addr = GET_PCID_ADDR(vcid);
2549 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2554 pcid_addr = GET_PCID_ADDR(new_vcid);
2557 vcid_addr = GET_CID_ADDR(vcid);
2558 pcid_addr = vcid_addr;
2561 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2562 vcid_addr += (i << PHY_CTX_SHIFT);
2563 pcid_addr += (i << PHY_CTX_SHIFT);
2565 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2566 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2568 /* Zero out the context. */
2569 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2570 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2576 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2582 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2583 if (good_mbuf == NULL) {
2584 printk(KERN_ERR PFX "Failed to allocate memory in "
2585 "bnx2_alloc_bad_rbuf\n");
2589 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2590 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2594 /* Allocate a bunch of mbufs and save the good ones in an array. */
2595 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2596 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2597 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2598 BNX2_RBUF_COMMAND_ALLOC_REQ);
2600 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2602 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2604 /* The addresses with Bit 9 set are bad memory blocks. */
2605 if (!(val & (1 << 9))) {
2606 good_mbuf[good_mbuf_cnt] = (u16) val;
2610 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2613 /* Free the good ones back to the mbuf pool thus discarding
2614 * all the bad ones. */
2615 while (good_mbuf_cnt) {
2618 val = good_mbuf[good_mbuf_cnt];
2619 val = (val << 9) | val | 1;
2621 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2628 bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
2632 val = (mac_addr[0] << 8) | mac_addr[1];
2634 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
2636 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2637 (mac_addr[4] << 8) | mac_addr[5];
2639 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
2643 bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2646 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2647 struct rx_bd *rxbd =
2648 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2649 struct page *page = alloc_page(GFP_ATOMIC);
2653 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2654 PCI_DMA_FROMDEVICE);
2655 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2661 pci_unmap_addr_set(rx_pg, mapping, mapping);
2662 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2663 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2668 bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2670 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2671 struct page *page = rx_pg->page;
2676 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2677 PCI_DMA_FROMDEVICE);
2684 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2686 struct sk_buff *skb;
2687 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
2689 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2690 unsigned long align;
2692 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2697 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2698 skb_reserve(skb, BNX2_RX_ALIGN - align);
2700 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2701 PCI_DMA_FROMDEVICE);
2702 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2708 pci_unmap_addr_set(rx_buf, mapping, mapping);
2710 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2711 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2713 rxr->rx_prod_bseq += bp->rx_buf_use_size;
2719 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2721 struct status_block *sblk = bnapi->status_blk.msi;
2722 u32 new_link_state, old_link_state;
2725 new_link_state = sblk->status_attn_bits & event;
2726 old_link_state = sblk->status_attn_bits_ack & event;
2727 if (new_link_state != old_link_state) {
2729 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2731 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2739 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2741 spin_lock(&bp->phy_lock);
2743 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2745 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2746 bnx2_set_remote_link(bp);
2748 spin_unlock(&bp->phy_lock);
2753 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2757 /* Tell compiler that status block fields can change. */
2759 cons = *bnapi->hw_tx_cons_ptr;
2761 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2767 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2769 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
2770 u16 hw_cons, sw_cons, sw_ring_cons;
2771 int tx_pkt = 0, index;
2772 struct netdev_queue *txq;
2774 index = (bnapi - bp->bnx2_napi);
2775 txq = netdev_get_tx_queue(bp->dev, index);
2777 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2778 sw_cons = txr->tx_cons;
2780 while (sw_cons != hw_cons) {
2781 struct sw_tx_bd *tx_buf;
2782 struct sk_buff *skb;
2785 sw_ring_cons = TX_RING_IDX(sw_cons);
2787 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
2790 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2791 prefetch(&skb->end);
2793 /* partial BD completions possible with TSO packets */
2794 if (tx_buf->is_gso) {
2795 u16 last_idx, last_ring_idx;
2797 last_idx = sw_cons + tx_buf->nr_frags + 1;
2798 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
2799 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2802 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2807 skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
2810 last = tx_buf->nr_frags;
2812 for (i = 0; i < last; i++) {
2813 sw_cons = NEXT_TX_BD(sw_cons);
2816 sw_cons = NEXT_TX_BD(sw_cons);
2820 if (tx_pkt == budget)
2823 if (hw_cons == sw_cons)
2824 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2827 txr->hw_tx_cons = hw_cons;
2828 txr->tx_cons = sw_cons;
2830 /* Need to make the tx_cons update visible to bnx2_start_xmit()
2831 * before checking for netif_tx_queue_stopped(). Without the
2832 * memory barrier, there is a small possibility that bnx2_start_xmit()
2833 * will miss it and cause the queue to be stopped forever.
2837 if (unlikely(netif_tx_queue_stopped(txq)) &&
2838 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
2839 __netif_tx_lock(txq, smp_processor_id());
2840 if ((netif_tx_queue_stopped(txq)) &&
2841 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
2842 netif_tx_wake_queue(txq);
2843 __netif_tx_unlock(txq);
2850 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2851 struct sk_buff *skb, int count)
2853 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2854 struct rx_bd *cons_bd, *prod_bd;
2857 u16 cons = rxr->rx_pg_cons;
2859 cons_rx_pg = &rxr->rx_pg_ring[cons];
2861 /* The caller was unable to allocate a new page to replace the
2862 * last one in the frags array, so we need to recycle that page
2863 * and then free the skb.
2867 struct skb_shared_info *shinfo;
2869 shinfo = skb_shinfo(skb);
2871 page = shinfo->frags[shinfo->nr_frags].page;
2872 shinfo->frags[shinfo->nr_frags].page = NULL;
2874 cons_rx_pg->page = page;
2878 hw_prod = rxr->rx_pg_prod;
2880 for (i = 0; i < count; i++) {
2881 prod = RX_PG_RING_IDX(hw_prod);
2883 prod_rx_pg = &rxr->rx_pg_ring[prod];
2884 cons_rx_pg = &rxr->rx_pg_ring[cons];
2885 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2886 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2889 prod_rx_pg->page = cons_rx_pg->page;
2890 cons_rx_pg->page = NULL;
2891 pci_unmap_addr_set(prod_rx_pg, mapping,
2892 pci_unmap_addr(cons_rx_pg, mapping));
2894 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2895 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2898 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2899 hw_prod = NEXT_RX_BD(hw_prod);
2901 rxr->rx_pg_prod = hw_prod;
2902 rxr->rx_pg_cons = cons;
2906 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2907 struct sk_buff *skb, u16 cons, u16 prod)
2909 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2910 struct rx_bd *cons_bd, *prod_bd;
2912 cons_rx_buf = &rxr->rx_buf_ring[cons];
2913 prod_rx_buf = &rxr->rx_buf_ring[prod];
2915 pci_dma_sync_single_for_device(bp->pdev,
2916 pci_unmap_addr(cons_rx_buf, mapping),
2917 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2919 rxr->rx_prod_bseq += bp->rx_buf_use_size;
2921 prod_rx_buf->skb = skb;
2926 pci_unmap_addr_set(prod_rx_buf, mapping,
2927 pci_unmap_addr(cons_rx_buf, mapping));
2929 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2930 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2931 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2932 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2936 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
2937 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2941 u16 prod = ring_idx & 0xffff;
2943 err = bnx2_alloc_rx_skb(bp, rxr, prod);
2944 if (unlikely(err)) {
2945 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
2947 unsigned int raw_len = len + 4;
2948 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2950 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
2955 skb_reserve(skb, BNX2_RX_OFFSET);
2956 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2957 PCI_DMA_FROMDEVICE);
2963 unsigned int i, frag_len, frag_size, pages;
2964 struct sw_pg *rx_pg;
2965 u16 pg_cons = rxr->rx_pg_cons;
2966 u16 pg_prod = rxr->rx_pg_prod;
2968 frag_size = len + 4 - hdr_len;
2969 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2970 skb_put(skb, hdr_len);
2972 for (i = 0; i < pages; i++) {
2973 dma_addr_t mapping_old;
2975 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2976 if (unlikely(frag_len <= 4)) {
2977 unsigned int tail = 4 - frag_len;
2979 rxr->rx_pg_cons = pg_cons;
2980 rxr->rx_pg_prod = pg_prod;
2981 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
2988 &skb_shinfo(skb)->frags[i - 1];
2990 skb->data_len -= tail;
2991 skb->truesize -= tail;
2995 rx_pg = &rxr->rx_pg_ring[pg_cons];
2997 /* Don't unmap yet. If we're unable to allocate a new
2998 * page, we need to recycle the page and the DMA addr.
3000 mapping_old = pci_unmap_addr(rx_pg, mapping);
3004 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3007 err = bnx2_alloc_rx_page(bp, rxr,
3008 RX_PG_RING_IDX(pg_prod));
3009 if (unlikely(err)) {
3010 rxr->rx_pg_cons = pg_cons;
3011 rxr->rx_pg_prod = pg_prod;
3012 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
3017 pci_unmap_page(bp->pdev, mapping_old,
3018 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3020 frag_size -= frag_len;
3021 skb->data_len += frag_len;
3022 skb->truesize += frag_len;
3023 skb->len += frag_len;
3025 pg_prod = NEXT_RX_BD(pg_prod);
3026 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
3028 rxr->rx_pg_prod = pg_prod;
3029 rxr->rx_pg_cons = pg_cons;
3035 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
3039 /* Tell compiler that status block fields can change. */
3041 cons = *bnapi->hw_rx_cons_ptr;
3043 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
3049 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
3051 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3052 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3053 struct l2_fhdr *rx_hdr;
3054 int rx_pkt = 0, pg_ring_used = 0;
3056 hw_cons = bnx2_get_hw_rx_cons(bnapi);
3057 sw_cons = rxr->rx_cons;
3058 sw_prod = rxr->rx_prod;
3060 /* Memory barrier necessary as speculative reads of the rx
3061 * buffer can be ahead of the index in the status block
3064 while (sw_cons != hw_cons) {
3065 unsigned int len, hdr_len;
3067 struct sw_bd *rx_buf;
3068 struct sk_buff *skb;
3069 dma_addr_t dma_addr;
3071 int hw_vlan __maybe_unused = 0;
3073 sw_ring_cons = RX_RING_IDX(sw_cons);
3074 sw_ring_prod = RX_RING_IDX(sw_prod);
3076 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
3081 dma_addr = pci_unmap_addr(rx_buf, mapping);
3083 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
3084 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3085 PCI_DMA_FROMDEVICE);
3087 rx_hdr = (struct l2_fhdr *) skb->data;
3088 len = rx_hdr->l2_fhdr_pkt_len;
3089 status = rx_hdr->l2_fhdr_status;
3092 if (status & L2_FHDR_STATUS_SPLIT) {
3093 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3095 } else if (len > bp->rx_jumbo_thresh) {
3096 hdr_len = bp->rx_jumbo_thresh;
3100 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3101 L2_FHDR_ERRORS_PHY_DECODE |
3102 L2_FHDR_ERRORS_ALIGNMENT |
3103 L2_FHDR_ERRORS_TOO_SHORT |
3104 L2_FHDR_ERRORS_GIANT_FRAME))) {
3106 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3111 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3113 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3120 if (len <= bp->rx_copy_thresh) {
3121 struct sk_buff *new_skb;
3123 new_skb = netdev_alloc_skb(bp->dev, len + 6);
3124 if (new_skb == NULL) {
3125 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3131 skb_copy_from_linear_data_offset(skb,
3133 new_skb->data, len + 6);
3134 skb_reserve(new_skb, 6);
3135 skb_put(new_skb, len);
3137 bnx2_reuse_rx_skb(bp, rxr, skb,
3138 sw_ring_cons, sw_ring_prod);
3141 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
3142 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
3145 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
3146 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
3147 vtag = rx_hdr->l2_fhdr_vlan_tag;
3154 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
3157 memmove(ve, skb->data + 4, ETH_ALEN * 2);
3158 ve->h_vlan_proto = htons(ETH_P_8021Q);
3159 ve->h_vlan_TCI = htons(vtag);
3164 skb->protocol = eth_type_trans(skb, bp->dev);
3166 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
3167 (ntohs(skb->protocol) != 0x8100)) {
3174 skb->ip_summed = CHECKSUM_NONE;
3176 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3177 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3179 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3180 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
3181 skb->ip_summed = CHECKSUM_UNNECESSARY;
3184 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
3188 vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
3191 netif_receive_skb(skb);
3196 sw_cons = NEXT_RX_BD(sw_cons);
3197 sw_prod = NEXT_RX_BD(sw_prod);
3199 if ((rx_pkt == budget))
3202 /* Refresh hw_cons to see if there is new work */
3203 if (sw_cons == hw_cons) {
3204 hw_cons = bnx2_get_hw_rx_cons(bnapi);
3208 rxr->rx_cons = sw_cons;
3209 rxr->rx_prod = sw_prod;
3212 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
3214 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
3216 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
3224 /* MSI ISR - The only difference between this and the INTx ISR
3225 * is that the MSI interrupt is always serviced.
3228 bnx2_msi(int irq, void *dev_instance)
3230 struct bnx2_napi *bnapi = dev_instance;
3231 struct bnx2 *bp = bnapi->bp;
3233 prefetch(bnapi->status_blk.msi);
3234 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3235 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3236 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3238 /* Return here if interrupt is disabled. */
3239 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3242 napi_schedule(&bnapi->napi);
3248 bnx2_msi_1shot(int irq, void *dev_instance)
3250 struct bnx2_napi *bnapi = dev_instance;
3251 struct bnx2 *bp = bnapi->bp;
3253 prefetch(bnapi->status_blk.msi);
3255 /* Return here if interrupt is disabled. */
3256 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3259 napi_schedule(&bnapi->napi);
3265 bnx2_interrupt(int irq, void *dev_instance)
3267 struct bnx2_napi *bnapi = dev_instance;
3268 struct bnx2 *bp = bnapi->bp;
3269 struct status_block *sblk = bnapi->status_blk.msi;
3271 /* When using INTx, it is possible for the interrupt to arrive
3272 * at the CPU before the status block posted prior to the
3273 * interrupt. Reading a register will flush the status block.
3274 * When using MSI, the MSI message will always complete after
3275 * the status block write.
3277 if ((sblk->status_idx == bnapi->last_status_idx) &&
3278 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3279 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
3282 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3283 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3284 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3286 /* Read back to deassert IRQ immediately to avoid too many
3287 * spurious interrupts.
3289 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3291 /* Return here if interrupt is shared and is disabled. */
3292 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3295 if (napi_schedule_prep(&bnapi->napi)) {
3296 bnapi->last_status_idx = sblk->status_idx;
3297 __napi_schedule(&bnapi->napi);
3304 bnx2_has_fast_work(struct bnx2_napi *bnapi)
3306 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3307 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3309 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3310 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3315 #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3316 STATUS_ATTN_BITS_TIMER_ABORT)
3319 bnx2_has_work(struct bnx2_napi *bnapi)
3321 struct status_block *sblk = bnapi->status_blk.msi;
3323 if (bnx2_has_fast_work(bnapi))
3327 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3331 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3332 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
3339 bnx2_chk_missed_msi(struct bnx2 *bp)
3341 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3344 if (bnx2_has_work(bnapi)) {
3345 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3346 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3349 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3350 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3351 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3352 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3353 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3357 bp->idle_chk_status_idx = bnapi->last_status_idx;
3361 static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3363 struct cnic_ops *c_ops;
3365 if (!bnapi->cnic_present)
3369 c_ops = rcu_dereference(bp->cnic_ops);
3371 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3372 bnapi->status_blk.msi);
3377 static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
3379 struct status_block *sblk = bnapi->status_blk.msi;
3380 u32 status_attn_bits = sblk->status_attn_bits;
3381 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3383 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3384 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3386 bnx2_phy_int(bp, bnapi);
3388 /* This is needed to take care of transient status
3389 * during link changes.
3391 REG_WR(bp, BNX2_HC_COMMAND,
3392 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3393 REG_RD(bp, BNX2_HC_COMMAND);
3397 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3398 int work_done, int budget)
3400 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3401 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3403 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
3404 bnx2_tx_int(bp, bnapi, 0);
3406 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
3407 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3412 static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3414 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3415 struct bnx2 *bp = bnapi->bp;
3417 struct status_block_msix *sblk = bnapi->status_blk.msix;
3420 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3421 if (unlikely(work_done >= budget))
3424 bnapi->last_status_idx = sblk->status_idx;
3425 /* status idx must be read before checking for more work. */
3427 if (likely(!bnx2_has_fast_work(bnapi))) {
3429 napi_complete(napi);
3430 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3431 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3432 bnapi->last_status_idx);
3439 static int bnx2_poll(struct napi_struct *napi, int budget)
3441 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3442 struct bnx2 *bp = bnapi->bp;
3444 struct status_block *sblk = bnapi->status_blk.msi;
3447 bnx2_poll_link(bp, bnapi);
3449 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3452 bnx2_poll_cnic(bp, bnapi);
3455 /* bnapi->last_status_idx is used below to tell the hw how
3456 * much work has been processed, so we must read it before
3457 * checking for more work.
3459 bnapi->last_status_idx = sblk->status_idx;
3461 if (unlikely(work_done >= budget))
3465 if (likely(!bnx2_has_work(bnapi))) {
3466 napi_complete(napi);
3467 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3468 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3469 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3470 bnapi->last_status_idx);
3473 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3474 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3475 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3476 bnapi->last_status_idx);
3478 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3479 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3480 bnapi->last_status_idx);
3488 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3489 * from set_multicast.
3492 bnx2_set_rx_mode(struct net_device *dev)
3494 struct bnx2 *bp = netdev_priv(dev);
3495 u32 rx_mode, sort_mode;
3496 struct netdev_hw_addr *ha;
3499 if (!netif_running(dev))
3502 spin_lock_bh(&bp->phy_lock);
3504 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3505 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3506 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3508 if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
3509 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3511 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
3512 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3514 if (dev->flags & IFF_PROMISC) {
3515 /* Promiscuous mode. */
3516 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3517 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3518 BNX2_RPM_SORT_USER0_PROM_VLAN;
3520 else if (dev->flags & IFF_ALLMULTI) {
3521 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3522 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3525 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3528 /* Accept one or more multicast(s). */
3529 struct dev_mc_list *mclist;
3530 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3535 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3537 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3538 i++, mclist = mclist->next) {
3540 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3542 regidx = (bit & 0xe0) >> 5;
3544 mc_filter[regidx] |= (1 << bit);
3547 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3548 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3552 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3555 if (dev->uc.count > BNX2_MAX_UNICAST_ADDRESSES) {
3556 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3557 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3558 BNX2_RPM_SORT_USER0_PROM_VLAN;
3559 } else if (!(dev->flags & IFF_PROMISC)) {
3560 /* Add all entries into to the match filter list */
3562 list_for_each_entry(ha, &dev->uc.list, list) {
3563 bnx2_set_mac_addr(bp, ha->addr,
3564 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3566 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
3572 if (rx_mode != bp->rx_mode) {
3573 bp->rx_mode = rx_mode;
3574 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3577 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3578 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3579 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3581 spin_unlock_bh(&bp->phy_lock);
3584 static int __devinit
3585 check_fw_section(const struct firmware *fw,
3586 const struct bnx2_fw_file_section *section,
3587 u32 alignment, bool non_empty)
3589 u32 offset = be32_to_cpu(section->offset);
3590 u32 len = be32_to_cpu(section->len);
3592 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3594 if ((non_empty && len == 0) || len > fw->size - offset ||
3595 len & (alignment - 1))
3600 static int __devinit
3601 check_mips_fw_entry(const struct firmware *fw,
3602 const struct bnx2_mips_fw_file_entry *entry)
3604 if (check_fw_section(fw, &entry->text, 4, true) ||
3605 check_fw_section(fw, &entry->data, 4, false) ||
3606 check_fw_section(fw, &entry->rodata, 4, false))
3611 static int __devinit
3612 bnx2_request_firmware(struct bnx2 *bp)
3614 const char *mips_fw_file, *rv2p_fw_file;
3615 const struct bnx2_mips_fw_file *mips_fw;
3616 const struct bnx2_rv2p_fw_file *rv2p_fw;
3619 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3620 mips_fw_file = FW_MIPS_FILE_09;
3621 rv2p_fw_file = FW_RV2P_FILE_09;
3623 mips_fw_file = FW_MIPS_FILE_06;
3624 rv2p_fw_file = FW_RV2P_FILE_06;
3627 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3629 printk(KERN_ERR PFX "Can't load firmware file \"%s\"\n",
3634 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3636 printk(KERN_ERR PFX "Can't load firmware file \"%s\"\n",
3640 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3641 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3642 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3643 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3644 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3645 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3646 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3647 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
3648 printk(KERN_ERR PFX "Firmware file \"%s\" is invalid\n",
3652 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3653 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3654 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
3655 printk(KERN_ERR PFX "Firmware file \"%s\" is invalid\n",
3664 rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3667 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3668 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3669 rv2p_code |= RV2P_BD_PAGE_SIZE;
3676 load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3677 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3679 u32 rv2p_code_len, file_offset;
3684 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3685 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3687 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3689 if (rv2p_proc == RV2P_PROC1) {
3690 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3691 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3693 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3694 addr = BNX2_RV2P_PROC2_ADDR_CMD;
3697 for (i = 0; i < rv2p_code_len; i += 8) {
3698 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
3700 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
3703 val = (i / 8) | cmd;
3704 REG_WR(bp, addr, val);
3707 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3708 for (i = 0; i < 8; i++) {
3711 loc = be32_to_cpu(fw_entry->fixup[i]);
3712 if (loc && ((loc * 4) < rv2p_code_len)) {
3713 code = be32_to_cpu(*(rv2p_code + loc - 1));
3714 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
3715 code = be32_to_cpu(*(rv2p_code + loc));
3716 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
3717 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
3719 val = (loc / 2) | cmd;
3720 REG_WR(bp, addr, val);
3724 /* Reset the processor, un-stall is done later. */
3725 if (rv2p_proc == RV2P_PROC1) {
3726 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3729 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3736 load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3737 const struct bnx2_mips_fw_file_entry *fw_entry)
3739 u32 addr, len, file_offset;
3745 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3746 val |= cpu_reg->mode_value_halt;
3747 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3748 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3750 /* Load the Text area. */
3751 addr = be32_to_cpu(fw_entry->text.addr);
3752 len = be32_to_cpu(fw_entry->text.len);
3753 file_offset = be32_to_cpu(fw_entry->text.offset);
3754 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3756 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3760 for (j = 0; j < (len / 4); j++, offset += 4)
3761 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3764 /* Load the Data area. */
3765 addr = be32_to_cpu(fw_entry->data.addr);
3766 len = be32_to_cpu(fw_entry->data.len);
3767 file_offset = be32_to_cpu(fw_entry->data.offset);
3768 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3770 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3774 for (j = 0; j < (len / 4); j++, offset += 4)
3775 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3778 /* Load the Read-Only area. */
3779 addr = be32_to_cpu(fw_entry->rodata.addr);
3780 len = be32_to_cpu(fw_entry->rodata.len);
3781 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3782 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3784 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3788 for (j = 0; j < (len / 4); j++, offset += 4)
3789 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
3792 /* Clear the pre-fetch instruction. */
3793 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3795 val = be32_to_cpu(fw_entry->start_addr);
3796 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
3798 /* Start the CPU. */
3799 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3800 val &= ~cpu_reg->mode_value_halt;
3801 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3802 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3808 bnx2_init_cpus(struct bnx2 *bp)
3810 const struct bnx2_mips_fw_file *mips_fw =
3811 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3812 const struct bnx2_rv2p_fw_file *rv2p_fw =
3813 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3816 /* Initialize the RV2P processor. */
3817 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3818 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
3820 /* Initialize the RX Processor. */
3821 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
3825 /* Initialize the TX Processor. */
3826 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
3830 /* Initialize the TX Patch-up Processor. */
3831 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
3835 /* Initialize the Completion Processor. */
3836 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
3840 /* Initialize the Command Processor. */
3841 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
3848 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3852 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3858 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3859 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3860 PCI_PM_CTRL_PME_STATUS);
3862 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3863 /* delay required during transition out of D3hot */
3866 val = REG_RD(bp, BNX2_EMAC_MODE);
3867 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3868 val &= ~BNX2_EMAC_MODE_MPKT;
3869 REG_WR(bp, BNX2_EMAC_MODE, val);
3871 val = REG_RD(bp, BNX2_RPM_CONFIG);
3872 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3873 REG_WR(bp, BNX2_RPM_CONFIG, val);
3884 autoneg = bp->autoneg;
3885 advertising = bp->advertising;
3887 if (bp->phy_port == PORT_TP) {
3888 bp->autoneg = AUTONEG_SPEED;
3889 bp->advertising = ADVERTISED_10baseT_Half |
3890 ADVERTISED_10baseT_Full |
3891 ADVERTISED_100baseT_Half |
3892 ADVERTISED_100baseT_Full |
3896 spin_lock_bh(&bp->phy_lock);
3897 bnx2_setup_phy(bp, bp->phy_port);
3898 spin_unlock_bh(&bp->phy_lock);
3900 bp->autoneg = autoneg;
3901 bp->advertising = advertising;
3903 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3905 val = REG_RD(bp, BNX2_EMAC_MODE);
3907 /* Enable port mode. */
3908 val &= ~BNX2_EMAC_MODE_PORT;
3909 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3910 BNX2_EMAC_MODE_ACPI_RCVD |
3911 BNX2_EMAC_MODE_MPKT;
3912 if (bp->phy_port == PORT_TP)
3913 val |= BNX2_EMAC_MODE_PORT_MII;
3915 val |= BNX2_EMAC_MODE_PORT_GMII;
3916 if (bp->line_speed == SPEED_2500)
3917 val |= BNX2_EMAC_MODE_25G_MODE;
3920 REG_WR(bp, BNX2_EMAC_MODE, val);
3922 /* receive all multicast */
3923 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3924 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3927 REG_WR(bp, BNX2_EMAC_RX_MODE,
3928 BNX2_EMAC_RX_MODE_SORT_MODE);
3930 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3931 BNX2_RPM_SORT_USER0_MC_EN;
3932 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3933 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3934 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3935 BNX2_RPM_SORT_USER0_ENA);
3937 /* Need to enable EMAC and RPM for WOL. */
3938 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3939 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3940 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3941 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3943 val = REG_RD(bp, BNX2_RPM_CONFIG);
3944 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3945 REG_WR(bp, BNX2_RPM_CONFIG, val);
3947 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3950 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3953 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3954 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3957 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3958 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3959 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3968 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3970 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3973 /* No more memory access after this point until
3974 * device is brought back to D0.
3986 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3991 /* Request access to the flash interface. */
3992 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3993 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3994 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3995 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4001 if (j >= NVRAM_TIMEOUT_COUNT)
4008 bnx2_release_nvram_lock(struct bnx2 *bp)
4013 /* Relinquish nvram interface. */
4014 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
4016 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4017 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4018 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4024 if (j >= NVRAM_TIMEOUT_COUNT)
4032 bnx2_enable_nvram_write(struct bnx2 *bp)
4036 val = REG_RD(bp, BNX2_MISC_CFG);
4037 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
4039 if (bp->flash_info->flags & BNX2_NV_WREN) {
4042 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4043 REG_WR(bp, BNX2_NVM_COMMAND,
4044 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
4046 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4049 val = REG_RD(bp, BNX2_NVM_COMMAND);
4050 if (val & BNX2_NVM_COMMAND_DONE)
4054 if (j >= NVRAM_TIMEOUT_COUNT)
4061 bnx2_disable_nvram_write(struct bnx2 *bp)
4065 val = REG_RD(bp, BNX2_MISC_CFG);
4066 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
4071 bnx2_enable_nvram_access(struct bnx2 *bp)
4075 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4076 /* Enable both bits, even on read. */
4077 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4078 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
4082 bnx2_disable_nvram_access(struct bnx2 *bp)
4086 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4087 /* Disable both bits, even after read. */
4088 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4089 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4090 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4094 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4099 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
4100 /* Buffered flash, no erase needed */
4103 /* Build an erase command */
4104 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4105 BNX2_NVM_COMMAND_DOIT;
4107 /* Need to clear DONE bit separately. */
4108 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4110 /* Address of the NVRAM to read from. */
4111 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4113 /* Issue an erase command. */
4114 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4116 /* Wait for completion. */
4117 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4122 val = REG_RD(bp, BNX2_NVM_COMMAND);
4123 if (val & BNX2_NVM_COMMAND_DONE)
4127 if (j >= NVRAM_TIMEOUT_COUNT)
4134 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4139 /* Build the command word. */
4140 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4142 /* Calculate an offset of a buffered flash, not needed for 5709. */
4143 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4144 offset = ((offset / bp->flash_info->page_size) <<
4145 bp->flash_info->page_bits) +
4146 (offset % bp->flash_info->page_size);
4149 /* Need to clear DONE bit separately. */
4150 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4152 /* Address of the NVRAM to read from. */
4153 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4155 /* Issue a read command. */
4156 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4158 /* Wait for completion. */
4159 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4164 val = REG_RD(bp, BNX2_NVM_COMMAND);
4165 if (val & BNX2_NVM_COMMAND_DONE) {
4166 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
4167 memcpy(ret_val, &v, 4);
4171 if (j >= NVRAM_TIMEOUT_COUNT)
4179 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4185 /* Build the command word. */
4186 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4188 /* Calculate an offset of a buffered flash, not needed for 5709. */
4189 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
4190 offset = ((offset / bp->flash_info->page_size) <<
4191 bp->flash_info->page_bits) +
4192 (offset % bp->flash_info->page_size);
4195 /* Need to clear DONE bit separately. */
4196 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4198 memcpy(&val32, val, 4);
4200 /* Write the data. */
4201 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
4203 /* Address of the NVRAM to write to. */
4204 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4206 /* Issue the write command. */
4207 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4209 /* Wait for completion. */
4210 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4213 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
4216 if (j >= NVRAM_TIMEOUT_COUNT)
4223 bnx2_init_nvram(struct bnx2 *bp)
4226 int j, entry_count, rc = 0;
4227 struct flash_spec *flash;
4229 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4230 bp->flash_info = &flash_5709;
4231 goto get_flash_size;
4234 /* Determine the selected interface. */
4235 val = REG_RD(bp, BNX2_NVM_CFG1);
4237 entry_count = ARRAY_SIZE(flash_table);
4239 if (val & 0x40000000) {
4241 /* Flash interface has been reconfigured */
4242 for (j = 0, flash = &flash_table[0]; j < entry_count;
4244 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4245 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
4246 bp->flash_info = flash;
4253 /* Not yet been reconfigured */
4255 if (val & (1 << 23))
4256 mask = FLASH_BACKUP_STRAP_MASK;
4258 mask = FLASH_STRAP_MASK;
4260 for (j = 0, flash = &flash_table[0]; j < entry_count;
4263 if ((val & mask) == (flash->strapping & mask)) {
4264 bp->flash_info = flash;
4266 /* Request access to the flash interface. */
4267 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4270 /* Enable access to flash interface */
4271 bnx2_enable_nvram_access(bp);
4273 /* Reconfigure the flash interface */
4274 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4275 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4276 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4277 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4279 /* Disable access to flash interface */
4280 bnx2_disable_nvram_access(bp);
4281 bnx2_release_nvram_lock(bp);
4286 } /* if (val & 0x40000000) */
4288 if (j == entry_count) {
4289 bp->flash_info = NULL;
4290 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
4295 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
4296 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4298 bp->flash_size = val;
4300 bp->flash_size = bp->flash_info->total_size;
4306 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4310 u32 cmd_flags, offset32, len32, extra;
4315 /* Request access to the flash interface. */
4316 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4319 /* Enable access to flash interface */
4320 bnx2_enable_nvram_access(bp);
4333 pre_len = 4 - (offset & 3);
4335 if (pre_len >= len32) {
4337 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4338 BNX2_NVM_COMMAND_LAST;
4341 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4344 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4349 memcpy(ret_buf, buf + (offset & 3), pre_len);
4356 extra = 4 - (len32 & 3);
4357 len32 = (len32 + 4) & ~3;
4364 cmd_flags = BNX2_NVM_COMMAND_LAST;
4366 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4367 BNX2_NVM_COMMAND_LAST;
4369 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4371 memcpy(ret_buf, buf, 4 - extra);
4373 else if (len32 > 0) {
4376 /* Read the first word. */
4380 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4382 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4384 /* Advance to the next dword. */
4389 while (len32 > 4 && rc == 0) {
4390 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4392 /* Advance to the next dword. */
4401 cmd_flags = BNX2_NVM_COMMAND_LAST;
4402 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4404 memcpy(ret_buf, buf, 4 - extra);
4407 /* Disable access to flash interface */
4408 bnx2_disable_nvram_access(bp);
4410 bnx2_release_nvram_lock(bp);
4416 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4419 u32 written, offset32, len32;
4420 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4422 int align_start, align_end;
4427 align_start = align_end = 0;
4429 if ((align_start = (offset32 & 3))) {
4431 len32 += align_start;
4434 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4439 align_end = 4 - (len32 & 3);
4441 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4445 if (align_start || align_end) {
4446 align_buf = kmalloc(len32, GFP_KERNEL);
4447 if (align_buf == NULL)
4450 memcpy(align_buf, start, 4);
4453 memcpy(align_buf + len32 - 4, end, 4);
4455 memcpy(align_buf + align_start, data_buf, buf_size);
4459 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4460 flash_buffer = kmalloc(264, GFP_KERNEL);
4461 if (flash_buffer == NULL) {
4463 goto nvram_write_end;
4468 while ((written < len32) && (rc == 0)) {
4469 u32 page_start, page_end, data_start, data_end;
4470 u32 addr, cmd_flags;
4473 /* Find the page_start addr */
4474 page_start = offset32 + written;
4475 page_start -= (page_start % bp->flash_info->page_size);
4476 /* Find the page_end addr */
4477 page_end = page_start + bp->flash_info->page_size;
4478 /* Find the data_start addr */
4479 data_start = (written == 0) ? offset32 : page_start;
4480 /* Find the data_end addr */
4481 data_end = (page_end > offset32 + len32) ?
4482 (offset32 + len32) : page_end;
4484 /* Request access to the flash interface. */
4485 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4486 goto nvram_write_end;
4488 /* Enable access to flash interface */
4489 bnx2_enable_nvram_access(bp);
4491 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4492 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4495 /* Read the whole page into the buffer
4496 * (non-buffer flash only) */
4497 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4498 if (j == (bp->flash_info->page_size - 4)) {
4499 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4501 rc = bnx2_nvram_read_dword(bp,
4507 goto nvram_write_end;
4513 /* Enable writes to flash interface (unlock write-protect) */
4514 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4515 goto nvram_write_end;
4517 /* Loop to write back the buffer data from page_start to
4520 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4521 /* Erase the page */
4522 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4523 goto nvram_write_end;
4525 /* Re-enable the write again for the actual write */
4526 bnx2_enable_nvram_write(bp);
4528 for (addr = page_start; addr < data_start;
4529 addr += 4, i += 4) {
4531 rc = bnx2_nvram_write_dword(bp, addr,
4532 &flash_buffer[i], cmd_flags);
4535 goto nvram_write_end;
4541 /* Loop to write the new data from data_start to data_end */
4542 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4543 if ((addr == page_end - 4) ||
4544 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4545 (addr == data_end - 4))) {
4547 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4549 rc = bnx2_nvram_write_dword(bp, addr, buf,
4553 goto nvram_write_end;
4559 /* Loop to write back the buffer data from data_end
4561 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4562 for (addr = data_end; addr < page_end;
4563 addr += 4, i += 4) {
4565 if (addr == page_end-4) {
4566 cmd_flags = BNX2_NVM_COMMAND_LAST;
4568 rc = bnx2_nvram_write_dword(bp, addr,
4569 &flash_buffer[i], cmd_flags);
4572 goto nvram_write_end;
4578 /* Disable writes to flash interface (lock write-protect) */
4579 bnx2_disable_nvram_write(bp);
4581 /* Disable access to flash interface */
4582 bnx2_disable_nvram_access(bp);
4583 bnx2_release_nvram_lock(bp);
4585 /* Increment written */
4586 written += data_end - data_start;
4590 kfree(flash_buffer);
4596 bnx2_init_fw_cap(struct bnx2 *bp)
4600 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4601 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4603 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4604 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4606 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4607 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4610 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4611 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4612 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4615 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4616 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4619 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4621 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4622 if (link & BNX2_LINK_STATUS_SERDES_LINK)
4623 bp->phy_port = PORT_FIBRE;
4625 bp->phy_port = PORT_TP;
4627 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4628 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4631 if (netif_running(bp->dev) && sig)
4632 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4636 bnx2_setup_msix_tbl(struct bnx2 *bp)
4638 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4640 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4641 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4645 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4651 /* Wait for the current PCI transaction to complete before
4652 * issuing a reset. */
4653 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4654 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4655 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4656 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4657 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4658 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4661 /* Wait for the firmware to tell us it is ok to issue a reset. */
4662 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
4664 /* Deposit a driver reset signature so the firmware knows that
4665 * this is a soft reset. */
4666 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4667 BNX2_DRV_RESET_SIGNATURE_MAGIC);
4669 /* Do a dummy read to force the chip to complete all current transaction
4670 * before we issue a reset. */
4671 val = REG_RD(bp, BNX2_MISC_ID);
4673 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4674 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4675 REG_RD(bp, BNX2_MISC_COMMAND);
4678 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4679 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4681 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4684 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4685 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4686 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4689 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4691 /* Reading back any register after chip reset will hang the
4692 * bus on 5706 A0 and A1. The msleep below provides plenty
4693 * of margin for write posting.
4695 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4696 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4699 /* Reset takes approximate 30 usec */
4700 for (i = 0; i < 10; i++) {
4701 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4702 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4703 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4708 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4709 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4710 printk(KERN_ERR PFX "Chip reset did not complete\n");
4715 /* Make sure byte swapping is properly configured. */
4716 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4717 if (val != 0x01020304) {
4718 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4722 /* Wait for the firmware to finish its initialization. */
4723 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
4727 spin_lock_bh(&bp->phy_lock);
4728 old_port = bp->phy_port;
4729 bnx2_init_fw_cap(bp);
4730 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4731 old_port != bp->phy_port)
4732 bnx2_set_default_remote_link(bp);
4733 spin_unlock_bh(&bp->phy_lock);
4735 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4736 /* Adjust the voltage regular to two steps lower. The default
4737 * of this register is 0x0000000e. */
4738 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4740 /* Remove bad rbuf memory from the free pool. */
4741 rc = bnx2_alloc_bad_rbuf(bp);
4744 if (bp->flags & BNX2_FLAG_USING_MSIX)
4745 bnx2_setup_msix_tbl(bp);
4751 bnx2_init_chip(struct bnx2 *bp)
4756 /* Make sure the interrupt is not active. */
4757 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4759 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4760 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4762 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4764 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4765 DMA_READ_CHANS << 12 |
4766 DMA_WRITE_CHANS << 16;
4768 val |= (0x2 << 20) | (1 << 11);
4770 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4773 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4774 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4775 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4777 REG_WR(bp, BNX2_DMA_CONFIG, val);
4779 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4780 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4781 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4782 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4785 if (bp->flags & BNX2_FLAG_PCIX) {
4788 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4790 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4791 val16 & ~PCI_X_CMD_ERO);
4794 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4795 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4796 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4797 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4799 /* Initialize context mapping and zero out the quick contexts. The
4800 * context block must have already been enabled. */
4801 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4802 rc = bnx2_init_5709_context(bp);
4806 bnx2_init_context(bp);
4808 if ((rc = bnx2_init_cpus(bp)) != 0)
4811 bnx2_init_nvram(bp);
4813 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
4815 val = REG_RD(bp, BNX2_MQ_CONFIG);
4816 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4817 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4818 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4819 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4820 if (CHIP_REV(bp) == CHIP_REV_Ax)
4821 val |= BNX2_MQ_CONFIG_HALT_DIS;
4824 REG_WR(bp, BNX2_MQ_CONFIG, val);
4826 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4827 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4828 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4830 val = (BCM_PAGE_BITS - 8) << 24;
4831 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4833 /* Configure page size. */
4834 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4835 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4836 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4837 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4839 val = bp->mac_addr[0] +
4840 (bp->mac_addr[1] << 8) +
4841 (bp->mac_addr[2] << 16) +
4843 (bp->mac_addr[4] << 8) +
4844 (bp->mac_addr[5] << 16);
4845 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4847 /* Program the MTU. Also include 4 bytes for CRC32. */
4849 val = mtu + ETH_HLEN + ETH_FCS_LEN;
4850 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4851 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4852 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4857 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4858 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4859 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4861 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
4862 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4863 bp->bnx2_napi[i].last_status_idx = 0;
4865 bp->idle_chk_status_idx = 0xffff;
4867 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4869 /* Set up how to generate a link change interrupt. */
4870 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4872 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4873 (u64) bp->status_blk_mapping & 0xffffffff);
4874 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4876 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4877 (u64) bp->stats_blk_mapping & 0xffffffff);
4878 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4879 (u64) bp->stats_blk_mapping >> 32);
4881 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4882 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4884 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4885 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4887 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4888 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4890 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4892 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4894 REG_WR(bp, BNX2_HC_COM_TICKS,
4895 (bp->com_ticks_int << 16) | bp->com_ticks);
4897 REG_WR(bp, BNX2_HC_CMD_TICKS,
4898 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4900 if (CHIP_NUM(bp) == CHIP_NUM_5708)
4901 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4903 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4904 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4906 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4907 val = BNX2_HC_CONFIG_COLLECT_STATS;
4909 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4910 BNX2_HC_CONFIG_COLLECT_STATS;
4913 if (bp->irq_nvecs > 1) {
4914 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4915 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4917 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4920 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4921 val |= BNX2_HC_CONFIG_ONE_SHOT;
4923 REG_WR(bp, BNX2_HC_CONFIG, val);
4925 for (i = 1; i < bp->irq_nvecs; i++) {
4926 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4927 BNX2_HC_SB_CONFIG_1;
4930 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4931 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
4932 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4934 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4935 (bp->tx_quick_cons_trip_int << 16) |
4936 bp->tx_quick_cons_trip);
4938 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4939 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4941 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4942 (bp->rx_quick_cons_trip_int << 16) |
4943 bp->rx_quick_cons_trip);
4945 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4946 (bp->rx_ticks_int << 16) | bp->rx_ticks);
4949 /* Clear internal stats counters. */
4950 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4952 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4954 /* Initialize the receive filter. */
4955 bnx2_set_rx_mode(bp->dev);
4957 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4958 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4959 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4960 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4962 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4965 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4966 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4970 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4976 bnx2_clear_ring_states(struct bnx2 *bp)
4978 struct bnx2_napi *bnapi;
4979 struct bnx2_tx_ring_info *txr;
4980 struct bnx2_rx_ring_info *rxr;
4983 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4984 bnapi = &bp->bnx2_napi[i];
4985 txr = &bnapi->tx_ring;
4986 rxr = &bnapi->rx_ring;
4989 txr->hw_tx_cons = 0;
4990 rxr->rx_prod_bseq = 0;
4993 rxr->rx_pg_prod = 0;
4994 rxr->rx_pg_cons = 0;
4999 bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
5001 u32 val, offset0, offset1, offset2, offset3;
5002 u32 cid_addr = GET_CID_ADDR(cid);
5004 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5005 offset0 = BNX2_L2CTX_TYPE_XI;
5006 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5007 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5008 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5010 offset0 = BNX2_L2CTX_TYPE;
5011 offset1 = BNX2_L2CTX_CMD_TYPE;
5012 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5013 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5015 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
5016 bnx2_ctx_wr(bp, cid_addr, offset0, val);
5018 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
5019 bnx2_ctx_wr(bp, cid_addr, offset1, val);
5021 val = (u64) txr->tx_desc_mapping >> 32;
5022 bnx2_ctx_wr(bp, cid_addr, offset2, val);
5024 val = (u64) txr->tx_desc_mapping & 0xffffffff;
5025 bnx2_ctx_wr(bp, cid_addr, offset3, val);
5029 bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
5033 struct bnx2_napi *bnapi;
5034 struct bnx2_tx_ring_info *txr;
5036 bnapi = &bp->bnx2_napi[ring_num];
5037 txr = &bnapi->tx_ring;
5042 cid = TX_TSS_CID + ring_num - 1;
5044 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5046 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
5048 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5049 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
5052 txr->tx_prod_bseq = 0;
5054 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5055 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
5057 bnx2_init_tx_context(bp, cid, txr);
5061 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
5067 for (i = 0; i < num_rings; i++) {
5070 rxbd = &rx_ring[i][0];
5071 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
5072 rxbd->rx_bd_len = buf_size;
5073 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5075 if (i == (num_rings - 1))
5079 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5080 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
5085 bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
5088 u16 prod, ring_prod;
5089 u32 cid, rx_cid_addr, val;
5090 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5091 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5096 cid = RX_RSS_CID + ring_num - 1;
5098 rx_cid_addr = GET_CID_ADDR(cid);
5100 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
5101 bp->rx_buf_use_size, bp->rx_max_ring);
5103 bnx2_init_rx_context(bp, cid);
5105 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5106 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
5107 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
5110 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
5111 if (bp->rx_pg_ring_size) {
5112 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5113 rxr->rx_pg_desc_mapping,
5114 PAGE_SIZE, bp->rx_max_pg_ring);
5115 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
5116 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5117 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
5118 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
5120 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
5121 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
5123 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
5124 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
5126 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5127 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
5130 val = (u64) rxr->rx_desc_mapping[0] >> 32;
5131 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
5133 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
5134 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
5136 ring_prod = prod = rxr->rx_pg_prod;
5137 for (i = 0; i < bp->rx_pg_ring_size; i++) {
5138 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
5140 prod = NEXT_RX_BD(prod);
5141 ring_prod = RX_PG_RING_IDX(prod);
5143 rxr->rx_pg_prod = prod;
5145 ring_prod = prod = rxr->rx_prod;
5146 for (i = 0; i < bp->rx_ring_size; i++) {
5147 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
5149 prod = NEXT_RX_BD(prod);
5150 ring_prod = RX_RING_IDX(prod);
5152 rxr->rx_prod = prod;
5154 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5155 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5156 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
5158 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5159 REG_WR16(bp, rxr->rx_bidx_addr, prod);
5161 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
5165 bnx2_init_all_rings(struct bnx2 *bp)
5170 bnx2_clear_ring_states(bp);
5172 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
5173 for (i = 0; i < bp->num_tx_rings; i++)
5174 bnx2_init_tx_ring(bp, i);
5176 if (bp->num_tx_rings > 1)
5177 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5180 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5181 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5183 for (i = 0; i < bp->num_rx_rings; i++)
5184 bnx2_init_rx_ring(bp, i);
5186 if (bp->num_rx_rings > 1) {
5188 u8 *tbl = (u8 *) &tbl_32;
5190 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
5191 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
5193 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
5194 tbl[i % 4] = i % (bp->num_rx_rings - 1);
5197 BNX2_RXP_SCRATCH_RSS_TBL + i,
5198 cpu_to_be32(tbl_32));
5201 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5202 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5204 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5209 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
5211 u32 max, num_rings = 1;
5213 while (ring_size > MAX_RX_DESC_CNT) {
5214 ring_size -= MAX_RX_DESC_CNT;
5217 /* round to next power of 2 */
5219 while ((max & num_rings) == 0)
5222 if (num_rings != max)
5229 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5231 u32 rx_size, rx_space, jumbo_size;
5233 /* 8 for CRC and VLAN */
5234 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
5236 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
5237 sizeof(struct skb_shared_info);
5239 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
5240 bp->rx_pg_ring_size = 0;
5241 bp->rx_max_pg_ring = 0;
5242 bp->rx_max_pg_ring_idx = 0;
5243 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
5244 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5246 jumbo_size = size * pages;
5247 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
5248 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
5250 bp->rx_pg_ring_size = jumbo_size;
5251 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
5253 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
5254 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
5255 bp->rx_copy_thresh = 0;
5258 bp->rx_buf_use_size = rx_size;
5260 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
5261 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
5262 bp->rx_ring_size = size;
5263 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
5264 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5268 bnx2_free_tx_skbs(struct bnx2 *bp)
5272 for (i = 0; i < bp->num_tx_rings; i++) {
5273 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5274 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5277 if (txr->tx_buf_ring == NULL)
5280 for (j = 0; j < TX_DESC_CNT; ) {
5281 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
5282 struct sk_buff *skb = tx_buf->skb;
5289 skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
5293 j += skb_shinfo(skb)->nr_frags + 1;
5300 bnx2_free_rx_skbs(struct bnx2 *bp)
5304 for (i = 0; i < bp->num_rx_rings; i++) {
5305 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5306 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5309 if (rxr->rx_buf_ring == NULL)
5312 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5313 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5314 struct sk_buff *skb = rx_buf->skb;
5319 pci_unmap_single(bp->pdev,
5320 pci_unmap_addr(rx_buf, mapping),
5321 bp->rx_buf_use_size,
5322 PCI_DMA_FROMDEVICE);
5328 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5329 bnx2_free_rx_page(bp, rxr, j);
5334 bnx2_free_skbs(struct bnx2 *bp)
5336 bnx2_free_tx_skbs(bp);
5337 bnx2_free_rx_skbs(bp);
5341 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5345 rc = bnx2_reset_chip(bp, reset_code);
5350 if ((rc = bnx2_init_chip(bp)) != 0)
5353 bnx2_init_all_rings(bp);
5358 bnx2_init_nic(struct bnx2 *bp, int reset_phy)
5362 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5365 spin_lock_bh(&bp->phy_lock);
5366 bnx2_init_phy(bp, reset_phy);
5368 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5369 bnx2_remote_phy_event(bp);
5370 spin_unlock_bh(&bp->phy_lock);
5375 bnx2_shutdown_chip(struct bnx2 *bp)
5379 if (bp->flags & BNX2_FLAG_NO_WOL)
5380 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5382 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5384 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5386 return bnx2_reset_chip(bp, reset_code);
5390 bnx2_test_registers(struct bnx2 *bp)
5394 static const struct {
5397 #define BNX2_FL_NOT_5709 1
5401 { 0x006c, 0, 0x00000000, 0x0000003f },
5402 { 0x0090, 0, 0xffffffff, 0x00000000 },
5403 { 0x0094, 0, 0x00000000, 0x00000000 },
5405 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5406 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5407 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5408 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5409 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5410 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5411 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5412 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5413 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5415 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5416 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5417 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5418 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5419 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5420 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5422 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5423 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5424 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
5426 { 0x1000, 0, 0x00000000, 0x00000001 },
5427 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
5429 { 0x1408, 0, 0x01c00800, 0x00000000 },
5430 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5431 { 0x14a8, 0, 0x00000000, 0x000001ff },
5432 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
5433 { 0x14b0, 0, 0x00000002, 0x00000001 },
5434 { 0x14b8, 0, 0x00000000, 0x00000000 },
5435 { 0x14c0, 0, 0x00000000, 0x00000009 },
5436 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5437 { 0x14cc, 0, 0x00000000, 0x00000001 },
5438 { 0x14d0, 0, 0xffffffff, 0x00000000 },
5440 { 0x1800, 0, 0x00000000, 0x00000001 },
5441 { 0x1804, 0, 0x00000000, 0x00000003 },
5443 { 0x2800, 0, 0x00000000, 0x00000001 },
5444 { 0x2804, 0, 0x00000000, 0x00003f01 },
5445 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5446 { 0x2810, 0, 0xffff0000, 0x00000000 },
5447 { 0x2814, 0, 0xffff0000, 0x00000000 },
5448 { 0x2818, 0, 0xffff0000, 0x00000000 },
5449 { 0x281c, 0, 0xffff0000, 0x00000000 },
5450 { 0x2834, 0, 0xffffffff, 0x00000000 },
5451 { 0x2840, 0, 0x00000000, 0xffffffff },
5452 { 0x2844, 0, 0x00000000, 0xffffffff },
5453 { 0x2848, 0, 0xffffffff, 0x00000000 },
5454 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5456 { 0x2c00, 0, 0x00000000, 0x00000011 },
5457 { 0x2c04, 0, 0x00000000, 0x00030007 },
5459 { 0x3c00, 0, 0x00000000, 0x00000001 },
5460 { 0x3c04, 0, 0x00000000, 0x00070000 },
5461 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5462 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5463 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5464 { 0x3c14, 0, 0x00000000, 0xffffffff },
5465 { 0x3c18, 0, 0x00000000, 0xffffffff },
5466 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5467 { 0x3c20, 0, 0xffffff00, 0x00000000 },
5469 { 0x5004, 0, 0x00000000, 0x0000007f },
5470 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
5472 { 0x5c00, 0, 0x00000000, 0x00000001 },
5473 { 0x5c04, 0, 0x00000000, 0x0003000f },
5474 { 0x5c08, 0, 0x00000003, 0x00000000 },
5475 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5476 { 0x5c10, 0, 0x00000000, 0xffffffff },
5477 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5478 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5479 { 0x5c88, 0, 0x00000000, 0x00077373 },
5480 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5482 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5483 { 0x680c, 0, 0xffffffff, 0x00000000 },
5484 { 0x6810, 0, 0xffffffff, 0x00000000 },
5485 { 0x6814, 0, 0xffffffff, 0x00000000 },
5486 { 0x6818, 0, 0xffffffff, 0x00000000 },
5487 { 0x681c, 0, 0xffffffff, 0x00000000 },
5488 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5489 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5490 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5491 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5492 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5493 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5494 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5495 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5496 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5497 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5498 { 0x684c, 0, 0xffffffff, 0x00000000 },
5499 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5500 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5501 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5502 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5503 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5504 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5506 { 0xffff, 0, 0x00000000, 0x00000000 },
5511 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5514 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5515 u32 offset, rw_mask, ro_mask, save_val, val;
5516 u16 flags = reg_tbl[i].flags;
5518 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5521 offset = (u32) reg_tbl[i].offset;
5522 rw_mask = reg_tbl[i].rw_mask;
5523 ro_mask = reg_tbl[i].ro_mask;
5525 save_val = readl(bp->regview + offset);
5527 writel(0, bp->regview + offset);
5529 val = readl(bp->regview + offset);
5530 if ((val & rw_mask) != 0) {
5534 if ((val & ro_mask) != (save_val & ro_mask)) {
5538 writel(0xffffffff, bp->regview + offset);
5540 val = readl(bp->regview + offset);
5541 if ((val & rw_mask) != rw_mask) {
5545 if ((val & ro_mask) != (save_val & ro_mask)) {
5549 writel(save_val, bp->regview + offset);
5553 writel(save_val, bp->regview + offset);
5561 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5563 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5564 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5567 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5570 for (offset = 0; offset < size; offset += 4) {
5572 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5574 if (bnx2_reg_rd_ind(bp, start + offset) !=
5584 bnx2_test_memory(struct bnx2 *bp)
5588 static struct mem_entry {
5591 } mem_tbl_5706[] = {
5592 { 0x60000, 0x4000 },
5593 { 0xa0000, 0x3000 },
5594 { 0xe0000, 0x4000 },
5595 { 0x120000, 0x4000 },
5596 { 0x1a0000, 0x4000 },
5597 { 0x160000, 0x4000 },
5601 { 0x60000, 0x4000 },
5602 { 0xa0000, 0x3000 },
5603 { 0xe0000, 0x4000 },
5604 { 0x120000, 0x4000 },
5605 { 0x1a0000, 0x4000 },
5608 struct mem_entry *mem_tbl;
5610 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5611 mem_tbl = mem_tbl_5709;
5613 mem_tbl = mem_tbl_5706;
5615 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5616 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5617 mem_tbl[i].len)) != 0) {
5625 #define BNX2_MAC_LOOPBACK 0
5626 #define BNX2_PHY_LOOPBACK 1
5629 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5631 unsigned int pkt_size, num_pkts, i;
5632 struct sk_buff *skb, *rx_skb;
5633 unsigned char *packet;
5634 u16 rx_start_idx, rx_idx;
5637 struct sw_bd *rx_buf;
5638 struct l2_fhdr *rx_hdr;
5640 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5641 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5642 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5646 txr = &tx_napi->tx_ring;
5647 rxr = &bnapi->rx_ring;
5648 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5649 bp->loopback = MAC_LOOPBACK;
5650 bnx2_set_mac_loopback(bp);
5652 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5653 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5656 bp->loopback = PHY_LOOPBACK;
5657 bnx2_set_phy_loopback(bp);
5662 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5663 skb = netdev_alloc_skb(bp->dev, pkt_size);
5666 packet = skb_put(skb, pkt_size);
5667 memcpy(packet, bp->dev->dev_addr, 6);
5668 memset(packet + 6, 0x0, 8);
5669 for (i = 14; i < pkt_size; i++)
5670 packet[i] = (unsigned char) (i & 0xff);
5672 if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) {
5676 map = skb_shinfo(skb)->dma_head;
5678 REG_WR(bp, BNX2_HC_COMMAND,
5679 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5681 REG_RD(bp, BNX2_HC_COMMAND);
5684 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5688 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
5690 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5691 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5692 txbd->tx_bd_mss_nbytes = pkt_size;
5693 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5696 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5697 txr->tx_prod_bseq += pkt_size;
5699 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5700 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
5704 REG_WR(bp, BNX2_HC_COMMAND,
5705 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5707 REG_RD(bp, BNX2_HC_COMMAND);
5711 skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
5714 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
5715 goto loopback_test_done;
5717 rx_idx = bnx2_get_hw_rx_cons(bnapi);
5718 if (rx_idx != rx_start_idx + num_pkts) {
5719 goto loopback_test_done;
5722 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
5723 rx_skb = rx_buf->skb;
5725 rx_hdr = (struct l2_fhdr *) rx_skb->data;
5726 skb_reserve(rx_skb, BNX2_RX_OFFSET);
5728 pci_dma_sync_single_for_cpu(bp->pdev,
5729 pci_unmap_addr(rx_buf, mapping),
5730 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5732 if (rx_hdr->l2_fhdr_status &
5733 (L2_FHDR_ERRORS_BAD_CRC |
5734 L2_FHDR_ERRORS_PHY_DECODE |
5735 L2_FHDR_ERRORS_ALIGNMENT |
5736 L2_FHDR_ERRORS_TOO_SHORT |
5737 L2_FHDR_ERRORS_GIANT_FRAME)) {
5739 goto loopback_test_done;
5742 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5743 goto loopback_test_done;
5746 for (i = 14; i < pkt_size; i++) {
5747 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5748 goto loopback_test_done;
5759 #define BNX2_MAC_LOOPBACK_FAILED 1
5760 #define BNX2_PHY_LOOPBACK_FAILED 2
5761 #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5762 BNX2_PHY_LOOPBACK_FAILED)
5765 bnx2_test_loopback(struct bnx2 *bp)
5769 if (!netif_running(bp->dev))
5770 return BNX2_LOOPBACK_FAILED;
5772 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5773 spin_lock_bh(&bp->phy_lock);
5774 bnx2_init_phy(bp, 1);
5775 spin_unlock_bh(&bp->phy_lock);
5776 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5777 rc |= BNX2_MAC_LOOPBACK_FAILED;
5778 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5779 rc |= BNX2_PHY_LOOPBACK_FAILED;
5783 #define NVRAM_SIZE 0x200
5784 #define CRC32_RESIDUAL 0xdebb20e3
5787 bnx2_test_nvram(struct bnx2 *bp)
5789 __be32 buf[NVRAM_SIZE / 4];
5790 u8 *data = (u8 *) buf;
5794 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5795 goto test_nvram_done;
5797 magic = be32_to_cpu(buf[0]);
5798 if (magic != 0x669955aa) {
5800 goto test_nvram_done;
5803 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5804 goto test_nvram_done;
5806 csum = ether_crc_le(0x100, data);
5807 if (csum != CRC32_RESIDUAL) {
5809 goto test_nvram_done;
5812 csum = ether_crc_le(0x100, data + 0x100);
5813 if (csum != CRC32_RESIDUAL) {
5822 bnx2_test_link(struct bnx2 *bp)
5826 if (!netif_running(bp->dev))
5829 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5834 spin_lock_bh(&bp->phy_lock);
5835 bnx2_enable_bmsr1(bp);
5836 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5837 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5838 bnx2_disable_bmsr1(bp);
5839 spin_unlock_bh(&bp->phy_lock);
5841 if (bmsr & BMSR_LSTATUS) {
5848 bnx2_test_intr(struct bnx2 *bp)
5853 if (!netif_running(bp->dev))
5856 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5858 /* This register is not touched during run-time. */
5859 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5860 REG_RD(bp, BNX2_HC_COMMAND);
5862 for (i = 0; i < 10; i++) {
5863 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5869 msleep_interruptible(10);
5877 /* Determining link for parallel detection. */
5879 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5881 u32 mode_ctl, an_dbg, exp;
5883 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5886 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5887 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5889 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5892 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5893 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5894 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5896 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5899 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5900 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5901 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5903 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5910 bnx2_5706_serdes_timer(struct bnx2 *bp)
5914 spin_lock(&bp->phy_lock);
5915 if (bp->serdes_an_pending) {
5916 bp->serdes_an_pending--;
5918 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5921 bp->current_interval = BNX2_TIMER_INTERVAL;
5923 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5925 if (bmcr & BMCR_ANENABLE) {
5926 if (bnx2_5706_serdes_has_link(bp)) {
5927 bmcr &= ~BMCR_ANENABLE;
5928 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5929 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5930 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5934 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5935 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5938 bnx2_write_phy(bp, 0x17, 0x0f01);
5939 bnx2_read_phy(bp, 0x15, &phy2);
5943 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5944 bmcr |= BMCR_ANENABLE;
5945 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5947 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5950 bp->current_interval = BNX2_TIMER_INTERVAL;
5955 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5956 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5957 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5959 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5960 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5961 bnx2_5706s_force_link_dn(bp, 1);
5962 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5965 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5968 spin_unlock(&bp->phy_lock);
5972 bnx2_5708_serdes_timer(struct bnx2 *bp)
5974 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5977 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5978 bp->serdes_an_pending = 0;
5982 spin_lock(&bp->phy_lock);
5983 if (bp->serdes_an_pending)
5984 bp->serdes_an_pending--;
5985 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5988 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5989 if (bmcr & BMCR_ANENABLE) {
5990 bnx2_enable_forced_2g5(bp);
5991 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
5993 bnx2_disable_forced_2g5(bp);
5994 bp->serdes_an_pending = 2;
5995 bp->current_interval = BNX2_TIMER_INTERVAL;
5999 bp->current_interval = BNX2_TIMER_INTERVAL;
6001 spin_unlock(&bp->phy_lock);
6005 bnx2_timer(unsigned long data)
6007 struct bnx2 *bp = (struct bnx2 *) data;
6009 if (!netif_running(bp->dev))
6012 if (atomic_read(&bp->intr_sem) != 0)
6013 goto bnx2_restart_timer;
6015 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6016 BNX2_FLAG_USING_MSI)
6017 bnx2_chk_missed_msi(bp);
6019 bnx2_send_heart_beat(bp);
6021 bp->stats_blk->stat_FwRxDrop =
6022 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
6024 /* workaround occasional corrupted counters */
6025 if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
6026 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6027 BNX2_HC_COMMAND_STATS_NOW);
6029 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6030 if (CHIP_NUM(bp) == CHIP_NUM_5706)
6031 bnx2_5706_serdes_timer(bp);
6033 bnx2_5708_serdes_timer(bp);
6037 mod_timer(&bp->timer, jiffies + bp->current_interval);
6041 bnx2_request_irq(struct bnx2 *bp)
6043 unsigned long flags;
6044 struct bnx2_irq *irq;
6047 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
6050 flags = IRQF_SHARED;
6052 for (i = 0; i < bp->irq_nvecs; i++) {
6053 irq = &bp->irq_tbl[i];
6054 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
6064 bnx2_free_irq(struct bnx2 *bp)
6066 struct bnx2_irq *irq;
6069 for (i = 0; i < bp->irq_nvecs; i++) {
6070 irq = &bp->irq_tbl[i];
6072 free_irq(irq->vector, &bp->bnx2_napi[i]);
6075 if (bp->flags & BNX2_FLAG_USING_MSI)
6076 pci_disable_msi(bp->pdev);
6077 else if (bp->flags & BNX2_FLAG_USING_MSIX)
6078 pci_disable_msix(bp->pdev);
6080 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
6084 bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
6087 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
6088 struct net_device *dev = bp->dev;
6089 const int len = sizeof(bp->irq_tbl[0].name);
6091 bnx2_setup_msix_tbl(bp);
6092 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6093 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6094 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
6096 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6097 msix_ent[i].entry = i;
6098 msix_ent[i].vector = 0;
6101 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
6105 bp->irq_nvecs = msix_vecs;
6106 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
6107 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6108 bp->irq_tbl[i].vector = msix_ent[i].vector;
6109 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6110 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6115 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6117 int cpus = num_online_cpus();
6118 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
6120 bp->irq_tbl[0].handler = bnx2_interrupt;
6121 strcpy(bp->irq_tbl[0].name, bp->dev->name);
6123 bp->irq_tbl[0].vector = bp->pdev->irq;
6125 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
6126 bnx2_enable_msix(bp, msix_vecs);
6128 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6129 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
6130 if (pci_enable_msi(bp->pdev) == 0) {
6131 bp->flags |= BNX2_FLAG_USING_MSI;
6132 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6133 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
6134 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6136 bp->irq_tbl[0].handler = bnx2_msi;
6138 bp->irq_tbl[0].vector = bp->pdev->irq;
6142 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6143 bp->dev->real_num_tx_queues = bp->num_tx_rings;
6145 bp->num_rx_rings = bp->irq_nvecs;
6148 /* Called with rtnl_lock */
6150 bnx2_open(struct net_device *dev)
6152 struct bnx2 *bp = netdev_priv(dev);
6155 netif_carrier_off(dev);
6157 bnx2_set_power_state(bp, PCI_D0);
6158 bnx2_disable_int(bp);
6160 bnx2_setup_int_mode(bp, disable_msi);
6161 bnx2_napi_enable(bp);
6162 rc = bnx2_alloc_mem(bp);
6166 rc = bnx2_request_irq(bp);
6170 rc = bnx2_init_nic(bp, 1);
6174 mod_timer(&bp->timer, jiffies + bp->current_interval);
6176 atomic_set(&bp->intr_sem, 0);
6178 bnx2_enable_int(bp);
6180 if (bp->flags & BNX2_FLAG_USING_MSI) {
6181 /* Test MSI to make sure it is working
6182 * If MSI test fails, go back to INTx mode
6184 if (bnx2_test_intr(bp) != 0) {
6185 printk(KERN_WARNING PFX "%s: No interrupt was generated"
6186 " using MSI, switching to INTx mode. Please"
6187 " report this failure to the PCI maintainer"
6188 " and include system chipset information.\n",
6191 bnx2_disable_int(bp);
6194 bnx2_setup_int_mode(bp, 1);
6196 rc = bnx2_init_nic(bp, 0);
6199 rc = bnx2_request_irq(bp);
6202 del_timer_sync(&bp->timer);
6205 bnx2_enable_int(bp);
6208 if (bp->flags & BNX2_FLAG_USING_MSI)
6209 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
6210 else if (bp->flags & BNX2_FLAG_USING_MSIX)
6211 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
6213 netif_tx_start_all_queues(dev);
6218 bnx2_napi_disable(bp);
6226 bnx2_reset_task(struct work_struct *work)
6228 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
6230 if (!netif_running(bp->dev))
6233 bnx2_netif_stop(bp);
6235 bnx2_init_nic(bp, 1);
6237 atomic_set(&bp->intr_sem, 1);
6238 bnx2_netif_start(bp);
6242 bnx2_tx_timeout(struct net_device *dev)
6244 struct bnx2 *bp = netdev_priv(dev);
6246 /* This allows the netif to be shutdown gracefully before resetting */
6247 schedule_work(&bp->reset_task);
6251 /* Called with rtnl_lock */
6253 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6255 struct bnx2 *bp = netdev_priv(dev);
6257 bnx2_netif_stop(bp);
6260 bnx2_set_rx_mode(dev);
6261 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
6262 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
6264 bnx2_netif_start(bp);
6268 /* Called with netif_tx_lock.
6269 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6270 * netif_wake_queue().
6273 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6275 struct bnx2 *bp = netdev_priv(dev);
6278 struct sw_tx_bd *tx_buf;
6279 u32 len, vlan_tag_flags, last_frag, mss;
6280 u16 prod, ring_prod;
6282 struct bnx2_napi *bnapi;
6283 struct bnx2_tx_ring_info *txr;
6284 struct netdev_queue *txq;
6285 struct skb_shared_info *sp;
6287 /* Determine which tx ring we will be placed on */
6288 i = skb_get_queue_mapping(skb);
6289 bnapi = &bp->bnx2_napi[i];
6290 txr = &bnapi->tx_ring;
6291 txq = netdev_get_tx_queue(dev, i);
6293 if (unlikely(bnx2_tx_avail(bp, txr) <
6294 (skb_shinfo(skb)->nr_frags + 1))) {
6295 netif_tx_stop_queue(txq);
6296 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
6299 return NETDEV_TX_BUSY;
6301 len = skb_headlen(skb);
6302 prod = txr->tx_prod;
6303 ring_prod = TX_RING_IDX(prod);
6306 if (skb->ip_summed == CHECKSUM_PARTIAL) {
6307 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6311 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
6313 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6316 if ((mss = skb_shinfo(skb)->gso_size)) {
6320 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6322 tcp_opt_len = tcp_optlen(skb);
6324 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6325 u32 tcp_off = skb_transport_offset(skb) -
6326 sizeof(struct ipv6hdr) - ETH_HLEN;
6328 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6329 TX_BD_FLAGS_SW_FLAGS;
6330 if (likely(tcp_off == 0))
6331 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6334 vlan_tag_flags |= ((tcp_off & 0x3) <<
6335 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6336 ((tcp_off & 0x10) <<
6337 TX_BD_FLAGS_TCP6_OFF4_SHL);
6338 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6342 if (tcp_opt_len || (iph->ihl > 5)) {
6343 vlan_tag_flags |= ((iph->ihl - 5) +
6344 (tcp_opt_len >> 2)) << 8;
6350 if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) {
6352 return NETDEV_TX_OK;
6355 sp = skb_shinfo(skb);
6356 mapping = sp->dma_head;
6358 tx_buf = &txr->tx_buf_ring[ring_prod];
6361 txbd = &txr->tx_desc_ring[ring_prod];
6363 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6364 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6365 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6366 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6368 last_frag = skb_shinfo(skb)->nr_frags;
6369 tx_buf->nr_frags = last_frag;
6370 tx_buf->is_gso = skb_is_gso(skb);
6372 for (i = 0; i < last_frag; i++) {
6373 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6375 prod = NEXT_TX_BD(prod);
6376 ring_prod = TX_RING_IDX(prod);
6377 txbd = &txr->tx_desc_ring[ring_prod];
6380 mapping = sp->dma_maps[i];
6382 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6383 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6384 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6385 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6388 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6390 prod = NEXT_TX_BD(prod);
6391 txr->tx_prod_bseq += skb->len;
6393 REG_WR16(bp, txr->tx_bidx_addr, prod);
6394 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
6398 txr->tx_prod = prod;
6400 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
6401 netif_tx_stop_queue(txq);
6402 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
6403 netif_tx_wake_queue(txq);
6406 return NETDEV_TX_OK;
6409 /* Called with rtnl_lock */
6411 bnx2_close(struct net_device *dev)
6413 struct bnx2 *bp = netdev_priv(dev);
6415 cancel_work_sync(&bp->reset_task);
6417 bnx2_disable_int_sync(bp);
6418 bnx2_napi_disable(bp);
6419 del_timer_sync(&bp->timer);
6420 bnx2_shutdown_chip(bp);
6425 netif_carrier_off(bp->dev);
6426 bnx2_set_power_state(bp, PCI_D3hot);
6430 #define GET_NET_STATS64(ctr) \
6431 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6432 (unsigned long) (ctr##_lo)
6434 #define GET_NET_STATS32(ctr) \
6437 #if (BITS_PER_LONG == 64)
6438 #define GET_NET_STATS GET_NET_STATS64
6440 #define GET_NET_STATS GET_NET_STATS32
6443 static struct net_device_stats *
6444 bnx2_get_stats(struct net_device *dev)
6446 struct bnx2 *bp = netdev_priv(dev);
6447 struct statistics_block *stats_blk = bp->stats_blk;
6448 struct net_device_stats *net_stats = &dev->stats;
6450 if (bp->stats_blk == NULL) {
6453 net_stats->rx_packets =
6454 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6455 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6456 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6458 net_stats->tx_packets =
6459 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6460 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6461 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6463 net_stats->rx_bytes =
6464 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6466 net_stats->tx_bytes =
6467 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6469 net_stats->multicast =
6470 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6472 net_stats->collisions =
6473 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6475 net_stats->rx_length_errors =
6476 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6477 stats_blk->stat_EtherStatsOverrsizePkts);
6479 net_stats->rx_over_errors =
6480 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
6482 net_stats->rx_frame_errors =
6483 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6485 net_stats->rx_crc_errors =
6486 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6488 net_stats->rx_errors = net_stats->rx_length_errors +
6489 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6490 net_stats->rx_crc_errors;
6492 net_stats->tx_aborted_errors =
6493 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6494 stats_blk->stat_Dot3StatsLateCollisions);
6496 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6497 (CHIP_ID(bp) == CHIP_ID_5708_A0))
6498 net_stats->tx_carrier_errors = 0;
6500 net_stats->tx_carrier_errors =
6502 stats_blk->stat_Dot3StatsCarrierSenseErrors;
6505 net_stats->tx_errors =
6507 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6509 net_stats->tx_aborted_errors +
6510 net_stats->tx_carrier_errors;
6512 net_stats->rx_missed_errors =
6513 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6514 stats_blk->stat_FwRxDrop);
6519 /* All ethtool functions called with rtnl_lock */
6522 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6524 struct bnx2 *bp = netdev_priv(dev);
6525 int support_serdes = 0, support_copper = 0;
6527 cmd->supported = SUPPORTED_Autoneg;
6528 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6531 } else if (bp->phy_port == PORT_FIBRE)
6536 if (support_serdes) {
6537 cmd->supported |= SUPPORTED_1000baseT_Full |
6539 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6540 cmd->supported |= SUPPORTED_2500baseX_Full;
6543 if (support_copper) {
6544 cmd->supported |= SUPPORTED_10baseT_Half |
6545 SUPPORTED_10baseT_Full |
6546 SUPPORTED_100baseT_Half |
6547 SUPPORTED_100baseT_Full |
6548 SUPPORTED_1000baseT_Full |
6553 spin_lock_bh(&bp->phy_lock);
6554 cmd->port = bp->phy_port;
6555 cmd->advertising = bp->advertising;
6557 if (bp->autoneg & AUTONEG_SPEED) {
6558 cmd->autoneg = AUTONEG_ENABLE;
6561 cmd->autoneg = AUTONEG_DISABLE;
6564 if (netif_carrier_ok(dev)) {
6565 cmd->speed = bp->line_speed;
6566 cmd->duplex = bp->duplex;
6572 spin_unlock_bh(&bp->phy_lock);
6574 cmd->transceiver = XCVR_INTERNAL;
6575 cmd->phy_address = bp->phy_addr;
6581 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6583 struct bnx2 *bp = netdev_priv(dev);
6584 u8 autoneg = bp->autoneg;
6585 u8 req_duplex = bp->req_duplex;
6586 u16 req_line_speed = bp->req_line_speed;
6587 u32 advertising = bp->advertising;
6590 spin_lock_bh(&bp->phy_lock);
6592 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6593 goto err_out_unlock;
6595 if (cmd->port != bp->phy_port &&
6596 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6597 goto err_out_unlock;
6599 /* If device is down, we can store the settings only if the user
6600 * is setting the currently active port.
6602 if (!netif_running(dev) && cmd->port != bp->phy_port)
6603 goto err_out_unlock;
6605 if (cmd->autoneg == AUTONEG_ENABLE) {
6606 autoneg |= AUTONEG_SPEED;
6608 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6610 /* allow advertising 1 speed */
6611 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6612 (cmd->advertising == ADVERTISED_10baseT_Full) ||
6613 (cmd->advertising == ADVERTISED_100baseT_Half) ||
6614 (cmd->advertising == ADVERTISED_100baseT_Full)) {
6616 if (cmd->port == PORT_FIBRE)
6617 goto err_out_unlock;
6619 advertising = cmd->advertising;
6621 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6622 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6623 (cmd->port == PORT_TP))
6624 goto err_out_unlock;
6625 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6626 advertising = cmd->advertising;
6627 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6628 goto err_out_unlock;
6630 if (cmd->port == PORT_FIBRE)
6631 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6633 advertising = ETHTOOL_ALL_COPPER_SPEED;
6635 advertising |= ADVERTISED_Autoneg;
6638 if (cmd->port == PORT_FIBRE) {
6639 if ((cmd->speed != SPEED_1000 &&
6640 cmd->speed != SPEED_2500) ||
6641 (cmd->duplex != DUPLEX_FULL))
6642 goto err_out_unlock;
6644 if (cmd->speed == SPEED_2500 &&
6645 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6646 goto err_out_unlock;
6648 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6649 goto err_out_unlock;
6651 autoneg &= ~AUTONEG_SPEED;
6652 req_line_speed = cmd->speed;
6653 req_duplex = cmd->duplex;
6657 bp->autoneg = autoneg;
6658 bp->advertising = advertising;
6659 bp->req_line_speed = req_line_speed;
6660 bp->req_duplex = req_duplex;
6663 /* If device is down, the new settings will be picked up when it is
6666 if (netif_running(dev))
6667 err = bnx2_setup_phy(bp, cmd->port);
6670 spin_unlock_bh(&bp->phy_lock);
6676 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6678 struct bnx2 *bp = netdev_priv(dev);
6680 strcpy(info->driver, DRV_MODULE_NAME);
6681 strcpy(info->version, DRV_MODULE_VERSION);
6682 strcpy(info->bus_info, pci_name(bp->pdev));
6683 strcpy(info->fw_version, bp->fw_version);
6686 #define BNX2_REGDUMP_LEN (32 * 1024)
6689 bnx2_get_regs_len(struct net_device *dev)
6691 return BNX2_REGDUMP_LEN;
6695 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6697 u32 *p = _p, i, offset;
6699 struct bnx2 *bp = netdev_priv(dev);
6700 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6701 0x0800, 0x0880, 0x0c00, 0x0c10,
6702 0x0c30, 0x0d08, 0x1000, 0x101c,
6703 0x1040, 0x1048, 0x1080, 0x10a4,
6704 0x1400, 0x1490, 0x1498, 0x14f0,
6705 0x1500, 0x155c, 0x1580, 0x15dc,
6706 0x1600, 0x1658, 0x1680, 0x16d8,
6707 0x1800, 0x1820, 0x1840, 0x1854,
6708 0x1880, 0x1894, 0x1900, 0x1984,
6709 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6710 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6711 0x2000, 0x2030, 0x23c0, 0x2400,
6712 0x2800, 0x2820, 0x2830, 0x2850,
6713 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6714 0x3c00, 0x3c94, 0x4000, 0x4010,
6715 0x4080, 0x4090, 0x43c0, 0x4458,
6716 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6717 0x4fc0, 0x5010, 0x53c0, 0x5444,
6718 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6719 0x5fc0, 0x6000, 0x6400, 0x6428,
6720 0x6800, 0x6848, 0x684c, 0x6860,
6721 0x6888, 0x6910, 0x8000 };
6725 memset(p, 0, BNX2_REGDUMP_LEN);
6727 if (!netif_running(bp->dev))
6731 offset = reg_boundaries[0];
6733 while (offset < BNX2_REGDUMP_LEN) {
6734 *p++ = REG_RD(bp, offset);
6736 if (offset == reg_boundaries[i + 1]) {
6737 offset = reg_boundaries[i + 2];
6738 p = (u32 *) (orig_p + offset);
6745 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6747 struct bnx2 *bp = netdev_priv(dev);
6749 if (bp->flags & BNX2_FLAG_NO_WOL) {
6754 wol->supported = WAKE_MAGIC;
6756 wol->wolopts = WAKE_MAGIC;
6760 memset(&wol->sopass, 0, sizeof(wol->sopass));
6764 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6766 struct bnx2 *bp = netdev_priv(dev);
6768 if (wol->wolopts & ~WAKE_MAGIC)
6771 if (wol->wolopts & WAKE_MAGIC) {
6772 if (bp->flags & BNX2_FLAG_NO_WOL)
6784 bnx2_nway_reset(struct net_device *dev)
6786 struct bnx2 *bp = netdev_priv(dev);
6789 if (!netif_running(dev))
6792 if (!(bp->autoneg & AUTONEG_SPEED)) {
6796 spin_lock_bh(&bp->phy_lock);
6798 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6801 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6802 spin_unlock_bh(&bp->phy_lock);
6806 /* Force a link down visible on the other side */
6807 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6808 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6809 spin_unlock_bh(&bp->phy_lock);
6813 spin_lock_bh(&bp->phy_lock);
6815 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
6816 bp->serdes_an_pending = 1;
6817 mod_timer(&bp->timer, jiffies + bp->current_interval);
6820 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6821 bmcr &= ~BMCR_LOOPBACK;
6822 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6824 spin_unlock_bh(&bp->phy_lock);
6830 bnx2_get_link(struct net_device *dev)
6832 struct bnx2 *bp = netdev_priv(dev);
6838 bnx2_get_eeprom_len(struct net_device *dev)
6840 struct bnx2 *bp = netdev_priv(dev);
6842 if (bp->flash_info == NULL)
6845 return (int) bp->flash_size;
6849 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6852 struct bnx2 *bp = netdev_priv(dev);
6855 if (!netif_running(dev))
6858 /* parameters already validated in ethtool_get_eeprom */
6860 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6866 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6869 struct bnx2 *bp = netdev_priv(dev);
6872 if (!netif_running(dev))
6875 /* parameters already validated in ethtool_set_eeprom */
6877 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6883 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6885 struct bnx2 *bp = netdev_priv(dev);
6887 memset(coal, 0, sizeof(struct ethtool_coalesce));
6889 coal->rx_coalesce_usecs = bp->rx_ticks;
6890 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6891 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6892 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6894 coal->tx_coalesce_usecs = bp->tx_ticks;
6895 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6896 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6897 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6899 coal->stats_block_coalesce_usecs = bp->stats_ticks;
6905 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6907 struct bnx2 *bp = netdev_priv(dev);
6909 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6910 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6912 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6913 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6915 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6916 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6918 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6919 if (bp->rx_quick_cons_trip_int > 0xff)
6920 bp->rx_quick_cons_trip_int = 0xff;
6922 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6923 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6925 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6926 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6928 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6929 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6931 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6932 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6935 bp->stats_ticks = coal->stats_block_coalesce_usecs;
6936 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6937 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6938 bp->stats_ticks = USEC_PER_SEC;
6940 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6941 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6942 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6944 if (netif_running(bp->dev)) {
6945 bnx2_netif_stop(bp);
6946 bnx2_init_nic(bp, 0);
6947 bnx2_netif_start(bp);
6954 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6956 struct bnx2 *bp = netdev_priv(dev);
6958 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6959 ering->rx_mini_max_pending = 0;
6960 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6962 ering->rx_pending = bp->rx_ring_size;
6963 ering->rx_mini_pending = 0;
6964 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6966 ering->tx_max_pending = MAX_TX_DESC_CNT;
6967 ering->tx_pending = bp->tx_ring_size;
6971 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6973 if (netif_running(bp->dev)) {
6974 bnx2_netif_stop(bp);
6975 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6980 bnx2_set_rx_ring_size(bp, rx);
6981 bp->tx_ring_size = tx;
6983 if (netif_running(bp->dev)) {
6986 rc = bnx2_alloc_mem(bp);
6989 bnx2_init_nic(bp, 0);
6990 bnx2_netif_start(bp);
6996 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6998 struct bnx2 *bp = netdev_priv(dev);
7001 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7002 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7003 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7007 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7012 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7014 struct bnx2 *bp = netdev_priv(dev);
7016 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7017 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7018 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7022 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7024 struct bnx2 *bp = netdev_priv(dev);
7026 bp->req_flow_ctrl = 0;
7027 if (epause->rx_pause)
7028 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7029 if (epause->tx_pause)
7030 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7032 if (epause->autoneg) {
7033 bp->autoneg |= AUTONEG_FLOW_CTRL;
7036 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7039 if (netif_running(dev)) {
7040 spin_lock_bh(&bp->phy_lock);
7041 bnx2_setup_phy(bp, bp->phy_port);
7042 spin_unlock_bh(&bp->phy_lock);
7049 bnx2_get_rx_csum(struct net_device *dev)
7051 struct bnx2 *bp = netdev_priv(dev);
7057 bnx2_set_rx_csum(struct net_device *dev, u32 data)
7059 struct bnx2 *bp = netdev_priv(dev);
7066 bnx2_set_tso(struct net_device *dev, u32 data)
7068 struct bnx2 *bp = netdev_priv(dev);
7071 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7072 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7073 dev->features |= NETIF_F_TSO6;
7075 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
7080 #define BNX2_NUM_STATS 46
7083 char string[ETH_GSTRING_LEN];
7084 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
7086 { "rx_error_bytes" },
7088 { "tx_error_bytes" },
7089 { "rx_ucast_packets" },
7090 { "rx_mcast_packets" },
7091 { "rx_bcast_packets" },
7092 { "tx_ucast_packets" },
7093 { "tx_mcast_packets" },
7094 { "tx_bcast_packets" },
7095 { "tx_mac_errors" },
7096 { "tx_carrier_errors" },
7097 { "rx_crc_errors" },
7098 { "rx_align_errors" },
7099 { "tx_single_collisions" },
7100 { "tx_multi_collisions" },
7102 { "tx_excess_collisions" },
7103 { "tx_late_collisions" },
7104 { "tx_total_collisions" },
7107 { "rx_undersize_packets" },
7108 { "rx_oversize_packets" },
7109 { "rx_64_byte_packets" },
7110 { "rx_65_to_127_byte_packets" },
7111 { "rx_128_to_255_byte_packets" },
7112 { "rx_256_to_511_byte_packets" },
7113 { "rx_512_to_1023_byte_packets" },
7114 { "rx_1024_to_1522_byte_packets" },
7115 { "rx_1523_to_9022_byte_packets" },
7116 { "tx_64_byte_packets" },
7117 { "tx_65_to_127_byte_packets" },
7118 { "tx_128_to_255_byte_packets" },
7119 { "tx_256_to_511_byte_packets" },
7120 { "tx_512_to_1023_byte_packets" },
7121 { "tx_1024_to_1522_byte_packets" },
7122 { "tx_1523_to_9022_byte_packets" },
7123 { "rx_xon_frames" },
7124 { "rx_xoff_frames" },
7125 { "tx_xon_frames" },
7126 { "tx_xoff_frames" },
7127 { "rx_mac_ctrl_frames" },
7128 { "rx_filtered_packets" },
7130 { "rx_fw_discards" },
7133 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7135 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
7136 STATS_OFFSET32(stat_IfHCInOctets_hi),
7137 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7138 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7139 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7140 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7141 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7142 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7143 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7144 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7145 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7146 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
7147 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7148 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7149 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7150 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7151 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7152 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7153 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7154 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7155 STATS_OFFSET32(stat_EtherStatsCollisions),
7156 STATS_OFFSET32(stat_EtherStatsFragments),
7157 STATS_OFFSET32(stat_EtherStatsJabbers),
7158 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7159 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7160 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7161 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7162 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7163 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7164 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7165 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7166 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7167 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7168 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7169 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7170 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7171 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7172 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7173 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7174 STATS_OFFSET32(stat_XonPauseFramesReceived),
7175 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7176 STATS_OFFSET32(stat_OutXonSent),
7177 STATS_OFFSET32(stat_OutXoffSent),
7178 STATS_OFFSET32(stat_MacControlFramesReceived),
7179 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
7180 STATS_OFFSET32(stat_IfInMBUFDiscards),
7181 STATS_OFFSET32(stat_FwRxDrop),
7184 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7185 * skipped because of errata.
7187 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
7188 8,0,8,8,8,8,8,8,8,8,
7189 4,0,4,4,4,4,4,4,4,4,
7190 4,4,4,4,4,4,4,4,4,4,
7191 4,4,4,4,4,4,4,4,4,4,
7195 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7196 8,0,8,8,8,8,8,8,8,8,
7197 4,4,4,4,4,4,4,4,4,4,
7198 4,4,4,4,4,4,4,4,4,4,
7199 4,4,4,4,4,4,4,4,4,4,
7203 #define BNX2_NUM_TESTS 6
7206 char string[ETH_GSTRING_LEN];
7207 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7208 { "register_test (offline)" },
7209 { "memory_test (offline)" },
7210 { "loopback_test (offline)" },
7211 { "nvram_test (online)" },
7212 { "interrupt_test (online)" },
7213 { "link_test (online)" },
7217 bnx2_get_sset_count(struct net_device *dev, int sset)
7221 return BNX2_NUM_TESTS;
7223 return BNX2_NUM_STATS;
7230 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7232 struct bnx2 *bp = netdev_priv(dev);
7234 bnx2_set_power_state(bp, PCI_D0);
7236 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7237 if (etest->flags & ETH_TEST_FL_OFFLINE) {
7240 bnx2_netif_stop(bp);
7241 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7244 if (bnx2_test_registers(bp) != 0) {
7246 etest->flags |= ETH_TEST_FL_FAILED;
7248 if (bnx2_test_memory(bp) != 0) {
7250 etest->flags |= ETH_TEST_FL_FAILED;
7252 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
7253 etest->flags |= ETH_TEST_FL_FAILED;
7255 if (!netif_running(bp->dev))
7256 bnx2_shutdown_chip(bp);
7258 bnx2_init_nic(bp, 1);
7259 bnx2_netif_start(bp);
7262 /* wait for link up */
7263 for (i = 0; i < 7; i++) {
7266 msleep_interruptible(1000);
7270 if (bnx2_test_nvram(bp) != 0) {
7272 etest->flags |= ETH_TEST_FL_FAILED;
7274 if (bnx2_test_intr(bp) != 0) {
7276 etest->flags |= ETH_TEST_FL_FAILED;
7279 if (bnx2_test_link(bp) != 0) {
7281 etest->flags |= ETH_TEST_FL_FAILED;
7284 if (!netif_running(bp->dev))
7285 bnx2_set_power_state(bp, PCI_D3hot);
7289 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7291 switch (stringset) {
7293 memcpy(buf, bnx2_stats_str_arr,
7294 sizeof(bnx2_stats_str_arr));
7297 memcpy(buf, bnx2_tests_str_arr,
7298 sizeof(bnx2_tests_str_arr));
7304 bnx2_get_ethtool_stats(struct net_device *dev,
7305 struct ethtool_stats *stats, u64 *buf)
7307 struct bnx2 *bp = netdev_priv(dev);
7309 u32 *hw_stats = (u32 *) bp->stats_blk;
7310 u8 *stats_len_arr = NULL;
7312 if (hw_stats == NULL) {
7313 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7317 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7318 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7319 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7320 (CHIP_ID(bp) == CHIP_ID_5708_A0))
7321 stats_len_arr = bnx2_5706_stats_len_arr;
7323 stats_len_arr = bnx2_5708_stats_len_arr;
7325 for (i = 0; i < BNX2_NUM_STATS; i++) {
7326 if (stats_len_arr[i] == 0) {
7327 /* skip this counter */
7331 if (stats_len_arr[i] == 4) {
7332 /* 4-byte counter */
7334 *(hw_stats + bnx2_stats_offset_arr[i]);
7337 /* 8-byte counter */
7338 buf[i] = (((u64) *(hw_stats +
7339 bnx2_stats_offset_arr[i])) << 32) +
7340 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
7345 bnx2_phys_id(struct net_device *dev, u32 data)
7347 struct bnx2 *bp = netdev_priv(dev);
7351 bnx2_set_power_state(bp, PCI_D0);
7356 save = REG_RD(bp, BNX2_MISC_CFG);
7357 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7359 for (i = 0; i < (data * 2); i++) {
7361 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7364 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7365 BNX2_EMAC_LED_1000MB_OVERRIDE |
7366 BNX2_EMAC_LED_100MB_OVERRIDE |
7367 BNX2_EMAC_LED_10MB_OVERRIDE |
7368 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7369 BNX2_EMAC_LED_TRAFFIC);
7371 msleep_interruptible(500);
7372 if (signal_pending(current))
7375 REG_WR(bp, BNX2_EMAC_LED, 0);
7376 REG_WR(bp, BNX2_MISC_CFG, save);
7378 if (!netif_running(dev))
7379 bnx2_set_power_state(bp, PCI_D3hot);
7385 bnx2_set_tx_csum(struct net_device *dev, u32 data)
7387 struct bnx2 *bp = netdev_priv(dev);
7389 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7390 return (ethtool_op_set_tx_ipv6_csum(dev, data));
7392 return (ethtool_op_set_tx_csum(dev, data));
7395 static const struct ethtool_ops bnx2_ethtool_ops = {
7396 .get_settings = bnx2_get_settings,
7397 .set_settings = bnx2_set_settings,
7398 .get_drvinfo = bnx2_get_drvinfo,
7399 .get_regs_len = bnx2_get_regs_len,
7400 .get_regs = bnx2_get_regs,
7401 .get_wol = bnx2_get_wol,
7402 .set_wol = bnx2_set_wol,
7403 .nway_reset = bnx2_nway_reset,
7404 .get_link = bnx2_get_link,
7405 .get_eeprom_len = bnx2_get_eeprom_len,
7406 .get_eeprom = bnx2_get_eeprom,
7407 .set_eeprom = bnx2_set_eeprom,
7408 .get_coalesce = bnx2_get_coalesce,
7409 .set_coalesce = bnx2_set_coalesce,
7410 .get_ringparam = bnx2_get_ringparam,
7411 .set_ringparam = bnx2_set_ringparam,
7412 .get_pauseparam = bnx2_get_pauseparam,
7413 .set_pauseparam = bnx2_set_pauseparam,
7414 .get_rx_csum = bnx2_get_rx_csum,
7415 .set_rx_csum = bnx2_set_rx_csum,
7416 .set_tx_csum = bnx2_set_tx_csum,
7417 .set_sg = ethtool_op_set_sg,
7418 .set_tso = bnx2_set_tso,
7419 .self_test = bnx2_self_test,
7420 .get_strings = bnx2_get_strings,
7421 .phys_id = bnx2_phys_id,
7422 .get_ethtool_stats = bnx2_get_ethtool_stats,
7423 .get_sset_count = bnx2_get_sset_count,
7426 /* Called with rtnl_lock */
7428 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7430 struct mii_ioctl_data *data = if_mii(ifr);
7431 struct bnx2 *bp = netdev_priv(dev);
7436 data->phy_id = bp->phy_addr;
7442 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7445 if (!netif_running(dev))
7448 spin_lock_bh(&bp->phy_lock);
7449 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
7450 spin_unlock_bh(&bp->phy_lock);
7452 data->val_out = mii_regval;
7458 if (!capable(CAP_NET_ADMIN))
7461 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7464 if (!netif_running(dev))
7467 spin_lock_bh(&bp->phy_lock);
7468 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
7469 spin_unlock_bh(&bp->phy_lock);
7480 /* Called with rtnl_lock */
7482 bnx2_change_mac_addr(struct net_device *dev, void *p)
7484 struct sockaddr *addr = p;
7485 struct bnx2 *bp = netdev_priv(dev);
7487 if (!is_valid_ether_addr(addr->sa_data))
7490 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7491 if (netif_running(dev))
7492 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
7497 /* Called with rtnl_lock */
7499 bnx2_change_mtu(struct net_device *dev, int new_mtu)
7501 struct bnx2 *bp = netdev_priv(dev);
7503 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7504 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7508 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
7511 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7513 poll_bnx2(struct net_device *dev)
7515 struct bnx2 *bp = netdev_priv(dev);
7518 for (i = 0; i < bp->irq_nvecs; i++) {
7519 disable_irq(bp->irq_tbl[i].vector);
7520 bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]);
7521 enable_irq(bp->irq_tbl[i].vector);
7526 static void __devinit
7527 bnx2_get_5709_media(struct bnx2 *bp)
7529 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7530 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7533 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7535 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
7536 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7540 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7541 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7543 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7545 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7550 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7558 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7564 static void __devinit
7565 bnx2_get_pci_speed(struct bnx2 *bp)
7569 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7570 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7573 bp->flags |= BNX2_FLAG_PCIX;
7575 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7577 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7579 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7580 bp->bus_speed_mhz = 133;
7583 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7584 bp->bus_speed_mhz = 100;
7587 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7588 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7589 bp->bus_speed_mhz = 66;
7592 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7593 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7594 bp->bus_speed_mhz = 50;
7597 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7598 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7599 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7600 bp->bus_speed_mhz = 33;
7605 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7606 bp->bus_speed_mhz = 66;
7608 bp->bus_speed_mhz = 33;
7611 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7612 bp->flags |= BNX2_FLAG_PCI_32BIT;
7616 static int __devinit
7617 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7620 unsigned long mem_len;
7623 u64 dma_mask, persist_dma_mask;
7625 SET_NETDEV_DEV(dev, &pdev->dev);
7626 bp = netdev_priv(dev);
7631 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7632 rc = pci_enable_device(pdev);
7634 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7638 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7640 "Cannot find PCI device base address, aborting.\n");
7642 goto err_out_disable;
7645 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7647 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7648 goto err_out_disable;
7651 pci_set_master(pdev);
7652 pci_save_state(pdev);
7654 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7655 if (bp->pm_cap == 0) {
7657 "Cannot find power management capability, aborting.\n");
7659 goto err_out_release;
7665 spin_lock_init(&bp->phy_lock);
7666 spin_lock_init(&bp->indirect_lock);
7667 INIT_WORK(&bp->reset_task, bnx2_reset_task);
7669 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7670 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
7671 dev->mem_end = dev->mem_start + mem_len;
7672 dev->irq = pdev->irq;
7674 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7677 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7679 goto err_out_release;
7682 /* Configure byte swap and enable write to the reg_window registers.
7683 * Rely on CPU to do target byte swapping on big endian systems
7684 * The chip's target access swapping will not swap all accesses
7686 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7687 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7688 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7690 bnx2_set_power_state(bp, PCI_D0);
7692 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7694 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7695 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7697 "Cannot find PCIE capability, aborting.\n");
7701 bp->flags |= BNX2_FLAG_PCIE;
7702 if (CHIP_REV(bp) == CHIP_REV_Ax)
7703 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7705 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7706 if (bp->pcix_cap == 0) {
7708 "Cannot find PCIX capability, aborting.\n");
7714 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7715 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7716 bp->flags |= BNX2_FLAG_MSIX_CAP;
7719 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7720 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7721 bp->flags |= BNX2_FLAG_MSI_CAP;
7724 /* 5708 cannot support DMA addresses > 40-bit. */
7725 if (CHIP_NUM(bp) == CHIP_NUM_5708)
7726 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
7728 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
7730 /* Configure DMA attributes. */
7731 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7732 dev->features |= NETIF_F_HIGHDMA;
7733 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7736 "pci_set_consistent_dma_mask failed, aborting.\n");
7739 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
7740 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7744 if (!(bp->flags & BNX2_FLAG_PCIE))
7745 bnx2_get_pci_speed(bp);
7747 /* 5706A0 may falsely detect SERR and PERR. */
7748 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7749 reg = REG_RD(bp, PCI_COMMAND);
7750 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7751 REG_WR(bp, PCI_COMMAND, reg);
7753 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7754 !(bp->flags & BNX2_FLAG_PCIX)) {
7757 "5706 A1 can only be used in a PCIX bus, aborting.\n");
7761 bnx2_init_nvram(bp);
7763 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7765 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7766 BNX2_SHM_HDR_SIGNATURE_SIG) {
7767 u32 off = PCI_FUNC(pdev->devfn) << 2;
7769 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7771 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7773 /* Get the permanent MAC address. First we need to make sure the
7774 * firmware is actually running.
7776 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7778 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7779 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7780 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7785 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7786 for (i = 0, j = 0; i < 3; i++) {
7789 num = (u8) (reg >> (24 - (i * 8)));
7790 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7791 if (num >= k || !skip0 || k == 1) {
7792 bp->fw_version[j++] = (num / k) + '0';
7797 bp->fw_version[j++] = '.';
7799 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7800 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7803 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7804 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7806 for (i = 0; i < 30; i++) {
7807 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7808 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7813 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7814 reg &= BNX2_CONDITION_MFW_RUN_MASK;
7815 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7816 reg != BNX2_CONDITION_MFW_RUN_NONE) {
7817 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7819 bp->fw_version[j++] = ' ';
7820 for (i = 0; i < 3; i++) {
7821 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7823 memcpy(&bp->fw_version[j], ®, 4);
7828 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7829 bp->mac_addr[0] = (u8) (reg >> 8);
7830 bp->mac_addr[1] = (u8) reg;
7832 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7833 bp->mac_addr[2] = (u8) (reg >> 24);
7834 bp->mac_addr[3] = (u8) (reg >> 16);
7835 bp->mac_addr[4] = (u8) (reg >> 8);
7836 bp->mac_addr[5] = (u8) reg;
7838 bp->tx_ring_size = MAX_TX_DESC_CNT;
7839 bnx2_set_rx_ring_size(bp, 255);
7843 bp->tx_quick_cons_trip_int = 20;
7844 bp->tx_quick_cons_trip = 20;
7845 bp->tx_ticks_int = 80;
7848 bp->rx_quick_cons_trip_int = 6;
7849 bp->rx_quick_cons_trip = 6;
7850 bp->rx_ticks_int = 18;
7853 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7855 bp->current_interval = BNX2_TIMER_INTERVAL;
7859 /* Disable WOL support if we are running on a SERDES chip. */
7860 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7861 bnx2_get_5709_media(bp);
7862 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7863 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7865 bp->phy_port = PORT_TP;
7866 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7867 bp->phy_port = PORT_FIBRE;
7868 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7869 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7870 bp->flags |= BNX2_FLAG_NO_WOL;
7873 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7874 /* Don't do parallel detect on this board because of
7875 * some board problems. The link will not go down
7876 * if we do parallel detect.
7878 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7879 pdev->subsystem_device == 0x310c)
7880 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7883 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7884 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7886 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7887 CHIP_NUM(bp) == CHIP_NUM_5708)
7888 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7889 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7890 (CHIP_REV(bp) == CHIP_REV_Ax ||
7891 CHIP_REV(bp) == CHIP_REV_Bx))
7892 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7894 bnx2_init_fw_cap(bp);
7896 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7897 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7898 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
7899 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
7900 bp->flags |= BNX2_FLAG_NO_WOL;
7904 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7905 bp->tx_quick_cons_trip_int =
7906 bp->tx_quick_cons_trip;
7907 bp->tx_ticks_int = bp->tx_ticks;
7908 bp->rx_quick_cons_trip_int =
7909 bp->rx_quick_cons_trip;
7910 bp->rx_ticks_int = bp->rx_ticks;
7911 bp->comp_prod_trip_int = bp->comp_prod_trip;
7912 bp->com_ticks_int = bp->com_ticks;
7913 bp->cmd_ticks_int = bp->cmd_ticks;
7916 /* Disable MSI on 5706 if AMD 8132 bridge is found.
7918 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
7919 * with byte enables disabled on the unused 32-bit word. This is legal
7920 * but causes problems on the AMD 8132 which will eventually stop
7921 * responding after a while.
7923 * AMD believes this incompatibility is unique to the 5706, and
7924 * prefers to locally disable MSI rather than globally disabling it.
7926 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7927 struct pci_dev *amd_8132 = NULL;
7929 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7930 PCI_DEVICE_ID_AMD_8132_BRIDGE,
7933 if (amd_8132->revision >= 0x10 &&
7934 amd_8132->revision <= 0x13) {
7936 pci_dev_put(amd_8132);
7942 bnx2_set_default_link(bp);
7943 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7945 init_timer(&bp->timer);
7946 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
7947 bp->timer.data = (unsigned long) bp;
7948 bp->timer.function = bnx2_timer;
7954 iounmap(bp->regview);
7959 pci_release_regions(pdev);
7962 pci_disable_device(pdev);
7963 pci_set_drvdata(pdev, NULL);
7969 static char * __devinit
7970 bnx2_bus_string(struct bnx2 *bp, char *str)
7974 if (bp->flags & BNX2_FLAG_PCIE) {
7975 s += sprintf(s, "PCI Express");
7977 s += sprintf(s, "PCI");
7978 if (bp->flags & BNX2_FLAG_PCIX)
7979 s += sprintf(s, "-X");
7980 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7981 s += sprintf(s, " 32-bit");
7983 s += sprintf(s, " 64-bit");
7984 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7989 static void __devinit
7990 bnx2_init_napi(struct bnx2 *bp)
7994 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7995 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
7996 int (*poll)(struct napi_struct *, int);
8001 poll = bnx2_poll_msix;
8003 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
8008 static const struct net_device_ops bnx2_netdev_ops = {
8009 .ndo_open = bnx2_open,
8010 .ndo_start_xmit = bnx2_start_xmit,
8011 .ndo_stop = bnx2_close,
8012 .ndo_get_stats = bnx2_get_stats,
8013 .ndo_set_rx_mode = bnx2_set_rx_mode,
8014 .ndo_do_ioctl = bnx2_ioctl,
8015 .ndo_validate_addr = eth_validate_addr,
8016 .ndo_set_mac_address = bnx2_change_mac_addr,
8017 .ndo_change_mtu = bnx2_change_mtu,
8018 .ndo_tx_timeout = bnx2_tx_timeout,
8020 .ndo_vlan_rx_register = bnx2_vlan_rx_register,
8022 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
8023 .ndo_poll_controller = poll_bnx2,
8027 static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
8030 dev->vlan_features |= flags;
8034 static int __devinit
8035 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8037 static int version_printed = 0;
8038 struct net_device *dev = NULL;
8043 if (version_printed++ == 0)
8044 printk(KERN_INFO "%s", version);
8046 /* dev zeroed in init_etherdev */
8047 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
8052 rc = bnx2_init_board(pdev, dev);
8058 dev->netdev_ops = &bnx2_netdev_ops;
8059 dev->watchdog_timeo = TX_TIMEOUT;
8060 dev->ethtool_ops = &bnx2_ethtool_ops;
8062 bp = netdev_priv(dev);
8065 pci_set_drvdata(pdev, dev);
8067 rc = bnx2_request_firmware(bp);
8071 memcpy(dev->dev_addr, bp->mac_addr, 6);
8072 memcpy(dev->perm_addr, bp->mac_addr, 6);
8074 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
8075 vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
8076 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
8077 dev->features |= NETIF_F_IPV6_CSUM;
8078 vlan_features_add(dev, NETIF_F_IPV6_CSUM);
8081 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
8083 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
8084 vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
8085 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
8086 dev->features |= NETIF_F_TSO6;
8087 vlan_features_add(dev, NETIF_F_TSO6);
8089 if ((rc = register_netdev(dev))) {
8090 dev_err(&pdev->dev, "Cannot register net device\n");
8094 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
8095 "IRQ %d, node addr %pM\n",
8097 board_info[ent->driver_data].name,
8098 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8099 ((CHIP_ID(bp) & 0x0ff0) >> 4),
8100 bnx2_bus_string(bp, str),
8102 bp->pdev->irq, dev->dev_addr);
8107 if (bp->mips_firmware)
8108 release_firmware(bp->mips_firmware);
8109 if (bp->rv2p_firmware)
8110 release_firmware(bp->rv2p_firmware);
8113 iounmap(bp->regview);
8114 pci_release_regions(pdev);
8115 pci_disable_device(pdev);
8116 pci_set_drvdata(pdev, NULL);
8121 static void __devexit
8122 bnx2_remove_one(struct pci_dev *pdev)
8124 struct net_device *dev = pci_get_drvdata(pdev);
8125 struct bnx2 *bp = netdev_priv(dev);
8127 flush_scheduled_work();
8129 unregister_netdev(dev);
8131 if (bp->mips_firmware)
8132 release_firmware(bp->mips_firmware);
8133 if (bp->rv2p_firmware)
8134 release_firmware(bp->rv2p_firmware);
8137 iounmap(bp->regview);
8140 pci_release_regions(pdev);
8141 pci_disable_device(pdev);
8142 pci_set_drvdata(pdev, NULL);
8146 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
8148 struct net_device *dev = pci_get_drvdata(pdev);
8149 struct bnx2 *bp = netdev_priv(dev);
8151 /* PCI register 4 needs to be saved whether netif_running() or not.
8152 * MSI address and data need to be saved if using MSI and
8155 pci_save_state(pdev);
8156 if (!netif_running(dev))
8159 flush_scheduled_work();
8160 bnx2_netif_stop(bp);
8161 netif_device_detach(dev);
8162 del_timer_sync(&bp->timer);
8163 bnx2_shutdown_chip(bp);
8165 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
8170 bnx2_resume(struct pci_dev *pdev)
8172 struct net_device *dev = pci_get_drvdata(pdev);
8173 struct bnx2 *bp = netdev_priv(dev);
8175 pci_restore_state(pdev);
8176 if (!netif_running(dev))
8179 bnx2_set_power_state(bp, PCI_D0);
8180 netif_device_attach(dev);
8181 bnx2_init_nic(bp, 1);
8182 bnx2_netif_start(bp);
8187 * bnx2_io_error_detected - called when PCI error is detected
8188 * @pdev: Pointer to PCI device
8189 * @state: The current pci connection state
8191 * This function is called after a PCI bus error affecting
8192 * this device has been detected.
8194 static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8195 pci_channel_state_t state)
8197 struct net_device *dev = pci_get_drvdata(pdev);
8198 struct bnx2 *bp = netdev_priv(dev);
8201 netif_device_detach(dev);
8203 if (state == pci_channel_io_perm_failure) {
8205 return PCI_ERS_RESULT_DISCONNECT;
8208 if (netif_running(dev)) {
8209 bnx2_netif_stop(bp);
8210 del_timer_sync(&bp->timer);
8211 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8214 pci_disable_device(pdev);
8217 /* Request a slot slot reset. */
8218 return PCI_ERS_RESULT_NEED_RESET;
8222 * bnx2_io_slot_reset - called after the pci bus has been reset.
8223 * @pdev: Pointer to PCI device
8225 * Restart the card from scratch, as if from a cold-boot.
8227 static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8229 struct net_device *dev = pci_get_drvdata(pdev);
8230 struct bnx2 *bp = netdev_priv(dev);
8233 if (pci_enable_device(pdev)) {
8235 "Cannot re-enable PCI device after reset.\n");
8237 return PCI_ERS_RESULT_DISCONNECT;
8239 pci_set_master(pdev);
8240 pci_restore_state(pdev);
8242 if (netif_running(dev)) {
8243 bnx2_set_power_state(bp, PCI_D0);
8244 bnx2_init_nic(bp, 1);
8248 return PCI_ERS_RESULT_RECOVERED;
8252 * bnx2_io_resume - called when traffic can start flowing again.
8253 * @pdev: Pointer to PCI device
8255 * This callback is called when the error recovery driver tells us that
8256 * its OK to resume normal operation.
8258 static void bnx2_io_resume(struct pci_dev *pdev)
8260 struct net_device *dev = pci_get_drvdata(pdev);
8261 struct bnx2 *bp = netdev_priv(dev);
8264 if (netif_running(dev))
8265 bnx2_netif_start(bp);
8267 netif_device_attach(dev);
8271 static struct pci_error_handlers bnx2_err_handler = {
8272 .error_detected = bnx2_io_error_detected,
8273 .slot_reset = bnx2_io_slot_reset,
8274 .resume = bnx2_io_resume,
8277 static struct pci_driver bnx2_pci_driver = {
8278 .name = DRV_MODULE_NAME,
8279 .id_table = bnx2_pci_tbl,
8280 .probe = bnx2_init_one,
8281 .remove = __devexit_p(bnx2_remove_one),
8282 .suspend = bnx2_suspend,
8283 .resume = bnx2_resume,
8284 .err_handler = &bnx2_err_handler,
8287 static int __init bnx2_init(void)
8289 return pci_register_driver(&bnx2_pci_driver);
8292 static void __exit bnx2_cleanup(void)
8294 pci_unregister_driver(&bnx2_pci_driver);
8297 module_init(bnx2_init);
8298 module_exit(bnx2_cleanup);