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Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
Michael Chanbec92042010-02-16 15:19:42 -08003 * Copyright (c) 2004-2010 Broadcom Corporation
Michael Chanb6016b72005-05-26 13:03:09 -07004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Written by: Michael Chan (mchan@broadcom.com)
10 */
11
Joe Perches3a9c6a42010-02-17 15:01:51 +000012#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Michael Chanf2a4f052006-03-23 01:13:12 -080013
14#include <linux/module.h>
15#include <linux/moduleparam.h>
16
17#include <linux/kernel.h>
18#include <linux/timer.h>
19#include <linux/errno.h>
20#include <linux/ioport.h>
21#include <linux/slab.h>
22#include <linux/vmalloc.h>
23#include <linux/interrupt.h>
24#include <linux/pci.h>
25#include <linux/init.h>
26#include <linux/netdevice.h>
27#include <linux/etherdevice.h>
28#include <linux/skbuff.h>
29#include <linux/dma-mapping.h>
Jiri Slaby1977f032007-10-18 23:40:25 -070030#include <linux/bitops.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080031#include <asm/io.h>
32#include <asm/irq.h>
33#include <linux/delay.h>
34#include <asm/byteorder.h>
Michael Chanc86a31f2006-06-13 15:03:47 -070035#include <asm/page.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080036#include <linux/time.h>
37#include <linux/ethtool.h>
38#include <linux/mii.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080039#include <linux/if_vlan.h>
David S. Miller08013fa2008-08-15 19:46:01 -070040#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
Michael Chanf2a4f052006-03-23 01:13:12 -080041#define BCM_VLAN 1
42#endif
Michael Chanf2a4f052006-03-23 01:13:12 -080043#include <net/ip.h>
Linus Torvaldsde081fa2007-07-12 16:40:08 -070044#include <net/tcp.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080045#include <net/checksum.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080046#include <linux/workqueue.h>
47#include <linux/crc32.h>
48#include <linux/prefetch.h>
Michael Chan29b12172006-03-23 01:13:43 -080049#include <linux/cache.h>
Michael Chan57579f72009-04-04 16:51:14 -070050#include <linux/firmware.h>
Benjamin Li706bf242008-07-18 17:55:11 -070051#include <linux/log2.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080052
Michael Chan4edd4732009-06-08 18:14:42 -070053#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
54#define BCM_CNIC 1
55#include "cnic_if.h"
56#endif
Michael Chanb6016b72005-05-26 13:03:09 -070057#include "bnx2.h"
58#include "bnx2_fw.h"
Denys Vlasenkob3448b02007-09-30 17:55:51 -070059
Michael Chanb6016b72005-05-26 13:03:09 -070060#define DRV_MODULE_NAME "bnx2"
Michael Chanbec92042010-02-16 15:19:42 -080061#define DRV_MODULE_VERSION "2.0.8"
62#define DRV_MODULE_RELDATE "Feb 15, 2010"
63#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-5.0.0.j6.fw"
Michael Chan078b0732009-08-29 00:02:46 -070064#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-5.0.0.j3.fw"
Michael Chanbec92042010-02-16 15:19:42 -080065#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-5.0.0.j9.fw"
66#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-5.0.0.j10.fw"
67#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-5.0.0.j10.fw"
Michael Chanb6016b72005-05-26 13:03:09 -070068
69#define RUN_AT(x) (jiffies + (x))
70
71/* Time in jiffies before concluding the transmitter is hung. */
72#define TX_TIMEOUT (5*HZ)
73
Andrew Mortonfefa8642008-02-09 23:17:15 -080074static char version[] __devinitdata =
Michael Chanb6016b72005-05-26 13:03:09 -070075 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
76
77MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
Benjamin Li453a9c62008-09-18 16:39:16 -070078MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
Michael Chanb6016b72005-05-26 13:03:09 -070079MODULE_LICENSE("GPL");
80MODULE_VERSION(DRV_MODULE_VERSION);
Michael Chan57579f72009-04-04 16:51:14 -070081MODULE_FIRMWARE(FW_MIPS_FILE_06);
82MODULE_FIRMWARE(FW_RV2P_FILE_06);
83MODULE_FIRMWARE(FW_MIPS_FILE_09);
84MODULE_FIRMWARE(FW_RV2P_FILE_09);
Michael Chan078b0732009-08-29 00:02:46 -070085MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
Michael Chanb6016b72005-05-26 13:03:09 -070086
87static int disable_msi = 0;
88
89module_param(disable_msi, int, 0);
90MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
91
92typedef enum {
93 BCM5706 = 0,
94 NC370T,
95 NC370I,
96 BCM5706S,
97 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080098 BCM5708,
99 BCM5708S,
Michael Chanbac0dff2006-11-19 14:15:05 -0800100 BCM5709,
Michael Chan27a005b2007-05-03 13:23:41 -0700101 BCM5709S,
Michael Chan7bb0a042008-07-14 22:37:47 -0700102 BCM5716,
Michael Chan1caacec2008-11-12 16:01:12 -0800103 BCM5716S,
Michael Chanb6016b72005-05-26 13:03:09 -0700104} board_t;
105
106/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -0800107static struct {
Michael Chanb6016b72005-05-26 13:03:09 -0700108 char *name;
109} board_info[] __devinitdata = {
110 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
111 { "HP NC370T Multifunction Gigabit Server Adapter" },
112 { "HP NC370i Multifunction Gigabit Server Adapter" },
113 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
114 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800115 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
116 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800117 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700118 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chan7bb0a042008-07-14 22:37:47 -0700119 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
Michael Chan1caacec2008-11-12 16:01:12 -0800120 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -0700121 };
122
Michael Chan7bb0a042008-07-14 22:37:47 -0700123static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
Michael Chanb6016b72005-05-26 13:03:09 -0700124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
125 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
126 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
127 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
128 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
129 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800130 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
131 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700132 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
133 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
134 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800136 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
137 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800138 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
139 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700140 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
141 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chan7bb0a042008-07-14 22:37:47 -0700142 { PCI_VENDOR_ID_BROADCOM, 0x163b,
143 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
Michael Chan1caacec2008-11-12 16:01:12 -0800144 { PCI_VENDOR_ID_BROADCOM, 0x163c,
Michael Chan1f2435e2008-12-16 20:28:13 -0800145 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
Michael Chanb6016b72005-05-26 13:03:09 -0700146 { 0, }
147};
148
Michael Chan0ced9d02009-08-21 16:20:49 +0000149static const struct flash_spec flash_table[] =
Michael Chanb6016b72005-05-26 13:03:09 -0700150{
Michael Chane30372c2007-07-16 18:26:23 -0700151#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
152#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700153 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800154 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700155 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700156 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
157 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800158 /* Expansion entry 0001 */
159 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700160 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800161 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
162 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700163 /* Saifun SA25F010 (non-buffered flash) */
164 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800165 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700166 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700167 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
168 "Non-buffered flash (128kB)"},
169 /* Saifun SA25F020 (non-buffered flash) */
170 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800171 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700172 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700173 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
174 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800175 /* Expansion entry 0100 */
176 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700177 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800178 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
179 "Entry 0100"},
180 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400181 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700182 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800183 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
184 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
185 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
186 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700187 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800188 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
189 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
190 /* Saifun SA25F005 (non-buffered flash) */
191 /* strap, cfg1, & write1 need updates */
192 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700193 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800194 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
195 "Non-buffered flash (64kB)"},
196 /* Fast EEPROM */
197 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700198 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800199 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
200 "EEPROM - fast"},
201 /* Expansion entry 1001 */
202 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1001"},
206 /* Expansion entry 1010 */
207 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700208 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800209 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1010"},
211 /* ATMEL AT45DB011B (buffered flash) */
212 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
215 "Buffered flash (128kB)"},
216 /* Expansion entry 1100 */
217 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700218 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800219 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
220 "Entry 1100"},
221 /* Expansion entry 1101 */
222 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700223 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800224 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
225 "Entry 1101"},
226 /* Ateml Expansion entry 1110 */
227 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700228 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800229 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
230 "Entry 1110 (Atmel)"},
231 /* ATMEL AT45DB021B (buffered flash) */
232 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700233 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800234 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
235 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700236};
237
Michael Chan0ced9d02009-08-21 16:20:49 +0000238static const struct flash_spec flash_5709 = {
Michael Chane30372c2007-07-16 18:26:23 -0700239 .flags = BNX2_NV_BUFFERED,
240 .page_bits = BCM5709_FLASH_PAGE_BITS,
241 .page_size = BCM5709_FLASH_PAGE_SIZE,
242 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
243 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
244 .name = "5709 Buffered flash (256kB)",
245};
246
Michael Chanb6016b72005-05-26 13:03:09 -0700247MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
248
Michael Chan35e90102008-06-19 16:37:42 -0700249static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
Michael Chane89bbf12005-08-25 15:36:58 -0700250{
Michael Chan2f8af122006-08-15 01:39:10 -0700251 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700252
Michael Chan2f8af122006-08-15 01:39:10 -0700253 smp_mb();
Michael Chanfaac9c42006-12-14 15:56:32 -0800254
255 /* The ring uses 256 indices for 255 entries, one of them
256 * needs to be skipped.
257 */
Michael Chan35e90102008-06-19 16:37:42 -0700258 diff = txr->tx_prod - txr->tx_cons;
Michael Chanfaac9c42006-12-14 15:56:32 -0800259 if (unlikely(diff >= TX_DESC_CNT)) {
260 diff &= 0xffff;
261 if (diff == TX_DESC_CNT)
262 diff = MAX_TX_DESC_CNT;
263 }
Michael Chane89bbf12005-08-25 15:36:58 -0700264 return (bp->tx_ring_size - diff);
265}
266
Michael Chanb6016b72005-05-26 13:03:09 -0700267static u32
268bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
269{
Michael Chan1b8227c2007-05-03 13:24:05 -0700270 u32 val;
271
272 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700273 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
Michael Chan1b8227c2007-05-03 13:24:05 -0700274 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
275 spin_unlock_bh(&bp->indirect_lock);
276 return val;
Michael Chanb6016b72005-05-26 13:03:09 -0700277}
278
279static void
280bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
281{
Michael Chan1b8227c2007-05-03 13:24:05 -0700282 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700283 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
284 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
Michael Chan1b8227c2007-05-03 13:24:05 -0700285 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700286}
287
288static void
Michael Chan2726d6e2008-01-29 21:35:05 -0800289bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
290{
291 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
292}
293
294static u32
295bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
296{
297 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
298}
299
300static void
Michael Chanb6016b72005-05-26 13:03:09 -0700301bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
302{
303 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700304 spin_lock_bh(&bp->indirect_lock);
Michael Chan59b47d82006-11-19 14:10:45 -0800305 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
306 int i;
307
308 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
309 REG_WR(bp, BNX2_CTX_CTX_CTRL,
310 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
311 for (i = 0; i < 5; i++) {
Michael Chan59b47d82006-11-19 14:10:45 -0800312 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
313 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
314 break;
315 udelay(5);
316 }
317 } else {
318 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
319 REG_WR(bp, BNX2_CTX_DATA, val);
320 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700321 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700322}
323
Michael Chan4edd4732009-06-08 18:14:42 -0700324#ifdef BCM_CNIC
325static int
326bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
327{
328 struct bnx2 *bp = netdev_priv(dev);
329 struct drv_ctl_io *io = &info->data.io;
330
331 switch (info->cmd) {
332 case DRV_CTL_IO_WR_CMD:
333 bnx2_reg_wr_ind(bp, io->offset, io->data);
334 break;
335 case DRV_CTL_IO_RD_CMD:
336 io->data = bnx2_reg_rd_ind(bp, io->offset);
337 break;
338 case DRV_CTL_CTX_WR_CMD:
339 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
340 break;
341 default:
342 return -EINVAL;
343 }
344 return 0;
345}
346
347static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
348{
349 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
350 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
351 int sb_id;
352
353 if (bp->flags & BNX2_FLAG_USING_MSIX) {
354 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
355 bnapi->cnic_present = 0;
356 sb_id = bp->irq_nvecs;
357 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
358 } else {
359 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
360 bnapi->cnic_tag = bnapi->last_status_idx;
361 bnapi->cnic_present = 1;
362 sb_id = 0;
363 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
364 }
365
366 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
367 cp->irq_arr[0].status_blk = (void *)
368 ((unsigned long) bnapi->status_blk.msi +
369 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
370 cp->irq_arr[0].status_blk_num = sb_id;
371 cp->num_irq = 1;
372}
373
374static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
375 void *data)
376{
377 struct bnx2 *bp = netdev_priv(dev);
378 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
379
380 if (ops == NULL)
381 return -EINVAL;
382
383 if (cp->drv_state & CNIC_DRV_STATE_REGD)
384 return -EBUSY;
385
386 bp->cnic_data = data;
387 rcu_assign_pointer(bp->cnic_ops, ops);
388
389 cp->num_irq = 0;
390 cp->drv_state = CNIC_DRV_STATE_REGD;
391
392 bnx2_setup_cnic_irq_info(bp);
393
394 return 0;
395}
396
397static int bnx2_unregister_cnic(struct net_device *dev)
398{
399 struct bnx2 *bp = netdev_priv(dev);
400 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
401 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
402
Michael Chanc5a88952009-08-14 15:49:45 +0000403 mutex_lock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700404 cp->drv_state = 0;
405 bnapi->cnic_present = 0;
406 rcu_assign_pointer(bp->cnic_ops, NULL);
Michael Chanc5a88952009-08-14 15:49:45 +0000407 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700408 synchronize_rcu();
409 return 0;
410}
411
412struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
413{
414 struct bnx2 *bp = netdev_priv(dev);
415 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
416
417 cp->drv_owner = THIS_MODULE;
418 cp->chip_id = bp->chip_id;
419 cp->pdev = bp->pdev;
420 cp->io_base = bp->regview;
421 cp->drv_ctl = bnx2_drv_ctl;
422 cp->drv_register_cnic = bnx2_register_cnic;
423 cp->drv_unregister_cnic = bnx2_unregister_cnic;
424
425 return cp;
426}
427EXPORT_SYMBOL(bnx2_cnic_probe);
428
429static void
430bnx2_cnic_stop(struct bnx2 *bp)
431{
432 struct cnic_ops *c_ops;
433 struct cnic_ctl_info info;
434
Michael Chanc5a88952009-08-14 15:49:45 +0000435 mutex_lock(&bp->cnic_lock);
436 c_ops = bp->cnic_ops;
Michael Chan4edd4732009-06-08 18:14:42 -0700437 if (c_ops) {
438 info.cmd = CNIC_CTL_STOP_CMD;
439 c_ops->cnic_ctl(bp->cnic_data, &info);
440 }
Michael Chanc5a88952009-08-14 15:49:45 +0000441 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700442}
443
444static void
445bnx2_cnic_start(struct bnx2 *bp)
446{
447 struct cnic_ops *c_ops;
448 struct cnic_ctl_info info;
449
Michael Chanc5a88952009-08-14 15:49:45 +0000450 mutex_lock(&bp->cnic_lock);
451 c_ops = bp->cnic_ops;
Michael Chan4edd4732009-06-08 18:14:42 -0700452 if (c_ops) {
453 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
454 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
455
456 bnapi->cnic_tag = bnapi->last_status_idx;
457 }
458 info.cmd = CNIC_CTL_START_CMD;
459 c_ops->cnic_ctl(bp->cnic_data, &info);
460 }
Michael Chanc5a88952009-08-14 15:49:45 +0000461 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700462}
463
464#else
465
466static void
467bnx2_cnic_stop(struct bnx2 *bp)
468{
469}
470
471static void
472bnx2_cnic_start(struct bnx2 *bp)
473{
474}
475
476#endif
477
Michael Chanb6016b72005-05-26 13:03:09 -0700478static int
479bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
480{
481 u32 val1;
482 int i, ret;
483
Michael Chan583c28e2008-01-21 19:51:35 -0800484 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700485 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
486 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
487
488 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
489 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
490
491 udelay(40);
492 }
493
494 val1 = (bp->phy_addr << 21) | (reg << 16) |
495 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
496 BNX2_EMAC_MDIO_COMM_START_BUSY;
497 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
498
499 for (i = 0; i < 50; i++) {
500 udelay(10);
501
502 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
503 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
504 udelay(5);
505
506 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
507 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
508
509 break;
510 }
511 }
512
513 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
514 *val = 0x0;
515 ret = -EBUSY;
516 }
517 else {
518 *val = val1;
519 ret = 0;
520 }
521
Michael Chan583c28e2008-01-21 19:51:35 -0800522 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700523 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
524 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
525
526 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
527 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
528
529 udelay(40);
530 }
531
532 return ret;
533}
534
535static int
536bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
537{
538 u32 val1;
539 int i, ret;
540
Michael Chan583c28e2008-01-21 19:51:35 -0800541 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700542 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
543 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
544
545 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
546 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
547
548 udelay(40);
549 }
550
551 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
552 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
553 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
554 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400555
Michael Chanb6016b72005-05-26 13:03:09 -0700556 for (i = 0; i < 50; i++) {
557 udelay(10);
558
559 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
560 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
561 udelay(5);
562 break;
563 }
564 }
565
566 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
567 ret = -EBUSY;
568 else
569 ret = 0;
570
Michael Chan583c28e2008-01-21 19:51:35 -0800571 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700572 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
573 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
574
575 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
576 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
577
578 udelay(40);
579 }
580
581 return ret;
582}
583
584static void
585bnx2_disable_int(struct bnx2 *bp)
586{
Michael Chanb4b36042007-12-20 19:59:30 -0800587 int i;
588 struct bnx2_napi *bnapi;
589
590 for (i = 0; i < bp->irq_nvecs; i++) {
591 bnapi = &bp->bnx2_napi[i];
592 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
593 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
594 }
Michael Chanb6016b72005-05-26 13:03:09 -0700595 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
596}
597
598static void
599bnx2_enable_int(struct bnx2 *bp)
600{
Michael Chanb4b36042007-12-20 19:59:30 -0800601 int i;
602 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800603
Michael Chanb4b36042007-12-20 19:59:30 -0800604 for (i = 0; i < bp->irq_nvecs; i++) {
605 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800606
Michael Chanb4b36042007-12-20 19:59:30 -0800607 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
608 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
609 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
610 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700611
Michael Chanb4b36042007-12-20 19:59:30 -0800612 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
613 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
614 bnapi->last_status_idx);
615 }
Michael Chanbf5295b2006-03-23 01:11:56 -0800616 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700617}
618
619static void
620bnx2_disable_int_sync(struct bnx2 *bp)
621{
Michael Chanb4b36042007-12-20 19:59:30 -0800622 int i;
623
Michael Chanb6016b72005-05-26 13:03:09 -0700624 atomic_inc(&bp->intr_sem);
Michael Chan37675462009-08-21 16:20:44 +0000625 if (!netif_running(bp->dev))
626 return;
627
Michael Chanb6016b72005-05-26 13:03:09 -0700628 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800629 for (i = 0; i < bp->irq_nvecs; i++)
630 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700631}
632
633static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800634bnx2_napi_disable(struct bnx2 *bp)
635{
Michael Chanb4b36042007-12-20 19:59:30 -0800636 int i;
637
638 for (i = 0; i < bp->irq_nvecs; i++)
639 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800640}
641
642static void
643bnx2_napi_enable(struct bnx2 *bp)
644{
Michael Chanb4b36042007-12-20 19:59:30 -0800645 int i;
646
647 for (i = 0; i < bp->irq_nvecs; i++)
648 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800649}
650
651static void
Michael Chanb6016b72005-05-26 13:03:09 -0700652bnx2_netif_stop(struct bnx2 *bp)
653{
Michael Chan4edd4732009-06-08 18:14:42 -0700654 bnx2_cnic_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700655 if (netif_running(bp->dev)) {
Breno Leitaoe6bf95f2009-12-18 20:35:34 -0800656 int i;
657
Michael Chan35efa7c2007-12-20 19:56:37 -0800658 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700659 netif_tx_disable(bp->dev);
Breno Leitaoe6bf95f2009-12-18 20:35:34 -0800660 /* prevent tx timeout */
661 for (i = 0; i < bp->dev->num_tx_queues; i++) {
662 struct netdev_queue *txq;
663
664 txq = netdev_get_tx_queue(bp->dev, i);
665 txq->trans_start = jiffies;
666 }
Michael Chanb6016b72005-05-26 13:03:09 -0700667 }
Michael Chanb7466562009-12-20 18:40:18 -0800668 bnx2_disable_int_sync(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700669}
670
671static void
672bnx2_netif_start(struct bnx2 *bp)
673{
674 if (atomic_dec_and_test(&bp->intr_sem)) {
675 if (netif_running(bp->dev)) {
Benjamin Li706bf242008-07-18 17:55:11 -0700676 netif_tx_wake_all_queues(bp->dev);
Michael Chan35efa7c2007-12-20 19:56:37 -0800677 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700678 bnx2_enable_int(bp);
Michael Chan4edd4732009-06-08 18:14:42 -0700679 bnx2_cnic_start(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700680 }
681 }
682}
683
684static void
Michael Chan35e90102008-06-19 16:37:42 -0700685bnx2_free_tx_mem(struct bnx2 *bp)
686{
687 int i;
688
689 for (i = 0; i < bp->num_tx_rings; i++) {
690 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
691 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
692
693 if (txr->tx_desc_ring) {
694 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
695 txr->tx_desc_ring,
696 txr->tx_desc_mapping);
697 txr->tx_desc_ring = NULL;
698 }
699 kfree(txr->tx_buf_ring);
700 txr->tx_buf_ring = NULL;
701 }
702}
703
Michael Chanbb4f98a2008-06-19 16:38:19 -0700704static void
705bnx2_free_rx_mem(struct bnx2 *bp)
706{
707 int i;
708
709 for (i = 0; i < bp->num_rx_rings; i++) {
710 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
711 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
712 int j;
713
714 for (j = 0; j < bp->rx_max_ring; j++) {
715 if (rxr->rx_desc_ring[j])
716 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
717 rxr->rx_desc_ring[j],
718 rxr->rx_desc_mapping[j]);
719 rxr->rx_desc_ring[j] = NULL;
720 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000721 vfree(rxr->rx_buf_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700722 rxr->rx_buf_ring = NULL;
723
724 for (j = 0; j < bp->rx_max_pg_ring; j++) {
725 if (rxr->rx_pg_desc_ring[j])
726 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
Michael Chan3298a732008-12-17 19:06:08 -0800727 rxr->rx_pg_desc_ring[j],
728 rxr->rx_pg_desc_mapping[j]);
729 rxr->rx_pg_desc_ring[j] = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -0700730 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000731 vfree(rxr->rx_pg_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700732 rxr->rx_pg_ring = NULL;
733 }
734}
735
Michael Chan35e90102008-06-19 16:37:42 -0700736static int
737bnx2_alloc_tx_mem(struct bnx2 *bp)
738{
739 int i;
740
741 for (i = 0; i < bp->num_tx_rings; i++) {
742 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
743 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
744
745 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
746 if (txr->tx_buf_ring == NULL)
747 return -ENOMEM;
748
749 txr->tx_desc_ring =
750 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
751 &txr->tx_desc_mapping);
752 if (txr->tx_desc_ring == NULL)
753 return -ENOMEM;
754 }
755 return 0;
756}
757
Michael Chanbb4f98a2008-06-19 16:38:19 -0700758static int
759bnx2_alloc_rx_mem(struct bnx2 *bp)
760{
761 int i;
762
763 for (i = 0; i < bp->num_rx_rings; i++) {
764 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
765 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
766 int j;
767
768 rxr->rx_buf_ring =
769 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
770 if (rxr->rx_buf_ring == NULL)
771 return -ENOMEM;
772
773 memset(rxr->rx_buf_ring, 0,
774 SW_RXBD_RING_SIZE * bp->rx_max_ring);
775
776 for (j = 0; j < bp->rx_max_ring; j++) {
777 rxr->rx_desc_ring[j] =
778 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
779 &rxr->rx_desc_mapping[j]);
780 if (rxr->rx_desc_ring[j] == NULL)
781 return -ENOMEM;
782
783 }
784
785 if (bp->rx_pg_ring_size) {
786 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
787 bp->rx_max_pg_ring);
788 if (rxr->rx_pg_ring == NULL)
789 return -ENOMEM;
790
791 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
792 bp->rx_max_pg_ring);
793 }
794
795 for (j = 0; j < bp->rx_max_pg_ring; j++) {
796 rxr->rx_pg_desc_ring[j] =
797 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
798 &rxr->rx_pg_desc_mapping[j]);
799 if (rxr->rx_pg_desc_ring[j] == NULL)
800 return -ENOMEM;
801
802 }
803 }
804 return 0;
805}
806
Michael Chan35e90102008-06-19 16:37:42 -0700807static void
Michael Chanb6016b72005-05-26 13:03:09 -0700808bnx2_free_mem(struct bnx2 *bp)
809{
Michael Chan13daffa2006-03-20 17:49:20 -0800810 int i;
Michael Chan43e80b82008-06-19 16:41:08 -0700811 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan13daffa2006-03-20 17:49:20 -0800812
Michael Chan35e90102008-06-19 16:37:42 -0700813 bnx2_free_tx_mem(bp);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700814 bnx2_free_rx_mem(bp);
Michael Chan35e90102008-06-19 16:37:42 -0700815
Michael Chan59b47d82006-11-19 14:10:45 -0800816 for (i = 0; i < bp->ctx_pages; i++) {
817 if (bp->ctx_blk[i]) {
818 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
819 bp->ctx_blk[i],
820 bp->ctx_blk_mapping[i]);
821 bp->ctx_blk[i] = NULL;
822 }
823 }
Michael Chan43e80b82008-06-19 16:41:08 -0700824 if (bnapi->status_blk.msi) {
Michael Chan0f31f992006-03-23 01:12:38 -0800825 pci_free_consistent(bp->pdev, bp->status_stats_size,
Michael Chan43e80b82008-06-19 16:41:08 -0700826 bnapi->status_blk.msi,
827 bp->status_blk_mapping);
828 bnapi->status_blk.msi = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800829 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700830 }
Michael Chanb6016b72005-05-26 13:03:09 -0700831}
832
833static int
834bnx2_alloc_mem(struct bnx2 *bp)
835{
Michael Chan35e90102008-06-19 16:37:42 -0700836 int i, status_blk_size, err;
Michael Chan43e80b82008-06-19 16:41:08 -0700837 struct bnx2_napi *bnapi;
838 void *status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -0700839
Michael Chan0f31f992006-03-23 01:12:38 -0800840 /* Combine status and statistics blocks into one allocation. */
841 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800842 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800843 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
844 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800845 bp->status_stats_size = status_blk_size +
846 sizeof(struct statistics_block);
847
Michael Chan43e80b82008-06-19 16:41:08 -0700848 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
849 &bp->status_blk_mapping);
850 if (status_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -0700851 goto alloc_mem_err;
852
Michael Chan43e80b82008-06-19 16:41:08 -0700853 memset(status_blk, 0, bp->status_stats_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700854
Michael Chan43e80b82008-06-19 16:41:08 -0700855 bnapi = &bp->bnx2_napi[0];
856 bnapi->status_blk.msi = status_blk;
857 bnapi->hw_tx_cons_ptr =
858 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
859 bnapi->hw_rx_cons_ptr =
860 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
David S. Millerf86e82f2008-01-21 17:15:40 -0800861 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chanb4b36042007-12-20 19:59:30 -0800862 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan43e80b82008-06-19 16:41:08 -0700863 struct status_block_msix *sblk;
Michael Chanb4b36042007-12-20 19:59:30 -0800864
Michael Chan43e80b82008-06-19 16:41:08 -0700865 bnapi = &bp->bnx2_napi[i];
866
867 sblk = (void *) (status_blk +
868 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
869 bnapi->status_blk.msix = sblk;
870 bnapi->hw_tx_cons_ptr =
871 &sblk->status_tx_quick_consumer_index;
872 bnapi->hw_rx_cons_ptr =
873 &sblk->status_rx_quick_consumer_index;
Michael Chanb4b36042007-12-20 19:59:30 -0800874 bnapi->int_num = i << 24;
875 }
876 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800877
Michael Chan43e80b82008-06-19 16:41:08 -0700878 bp->stats_blk = status_blk + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700879
Michael Chan0f31f992006-03-23 01:12:38 -0800880 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700881
Michael Chan59b47d82006-11-19 14:10:45 -0800882 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
883 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
884 if (bp->ctx_pages == 0)
885 bp->ctx_pages = 1;
886 for (i = 0; i < bp->ctx_pages; i++) {
887 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
888 BCM_PAGE_SIZE,
889 &bp->ctx_blk_mapping[i]);
890 if (bp->ctx_blk[i] == NULL)
891 goto alloc_mem_err;
892 }
893 }
Michael Chan35e90102008-06-19 16:37:42 -0700894
Michael Chanbb4f98a2008-06-19 16:38:19 -0700895 err = bnx2_alloc_rx_mem(bp);
896 if (err)
897 goto alloc_mem_err;
898
Michael Chan35e90102008-06-19 16:37:42 -0700899 err = bnx2_alloc_tx_mem(bp);
900 if (err)
901 goto alloc_mem_err;
902
Michael Chanb6016b72005-05-26 13:03:09 -0700903 return 0;
904
905alloc_mem_err:
906 bnx2_free_mem(bp);
907 return -ENOMEM;
908}
909
910static void
Michael Chane3648b32005-11-04 08:51:21 -0800911bnx2_report_fw_link(struct bnx2 *bp)
912{
913 u32 fw_link_status = 0;
914
Michael Chan583c28e2008-01-21 19:51:35 -0800915 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700916 return;
917
Michael Chane3648b32005-11-04 08:51:21 -0800918 if (bp->link_up) {
919 u32 bmsr;
920
921 switch (bp->line_speed) {
922 case SPEED_10:
923 if (bp->duplex == DUPLEX_HALF)
924 fw_link_status = BNX2_LINK_STATUS_10HALF;
925 else
926 fw_link_status = BNX2_LINK_STATUS_10FULL;
927 break;
928 case SPEED_100:
929 if (bp->duplex == DUPLEX_HALF)
930 fw_link_status = BNX2_LINK_STATUS_100HALF;
931 else
932 fw_link_status = BNX2_LINK_STATUS_100FULL;
933 break;
934 case SPEED_1000:
935 if (bp->duplex == DUPLEX_HALF)
936 fw_link_status = BNX2_LINK_STATUS_1000HALF;
937 else
938 fw_link_status = BNX2_LINK_STATUS_1000FULL;
939 break;
940 case SPEED_2500:
941 if (bp->duplex == DUPLEX_HALF)
942 fw_link_status = BNX2_LINK_STATUS_2500HALF;
943 else
944 fw_link_status = BNX2_LINK_STATUS_2500FULL;
945 break;
946 }
947
948 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
949
950 if (bp->autoneg) {
951 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
952
Michael Chanca58c3a2007-05-03 13:22:52 -0700953 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
954 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800955
956 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800957 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800958 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
959 else
960 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
961 }
962 }
963 else
964 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
965
Michael Chan2726d6e2008-01-29 21:35:05 -0800966 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800967}
968
Michael Chan9b1084b2007-07-07 22:50:37 -0700969static char *
970bnx2_xceiver_str(struct bnx2 *bp)
971{
972 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800973 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Michael Chan9b1084b2007-07-07 22:50:37 -0700974 "Copper"));
975}
976
Michael Chane3648b32005-11-04 08:51:21 -0800977static void
Michael Chanb6016b72005-05-26 13:03:09 -0700978bnx2_report_link(struct bnx2 *bp)
979{
980 if (bp->link_up) {
981 netif_carrier_on(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +0000982 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
983 bnx2_xceiver_str(bp),
984 bp->line_speed,
985 bp->duplex == DUPLEX_FULL ? "full" : "half");
Michael Chanb6016b72005-05-26 13:03:09 -0700986
987 if (bp->flow_ctrl) {
988 if (bp->flow_ctrl & FLOW_CTRL_RX) {
Joe Perches3a9c6a42010-02-17 15:01:51 +0000989 pr_cont(", receive ");
Michael Chanb6016b72005-05-26 13:03:09 -0700990 if (bp->flow_ctrl & FLOW_CTRL_TX)
Joe Perches3a9c6a42010-02-17 15:01:51 +0000991 pr_cont("& transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -0700992 }
993 else {
Joe Perches3a9c6a42010-02-17 15:01:51 +0000994 pr_cont(", transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -0700995 }
Joe Perches3a9c6a42010-02-17 15:01:51 +0000996 pr_cont("flow control ON");
Michael Chanb6016b72005-05-26 13:03:09 -0700997 }
Joe Perches3a9c6a42010-02-17 15:01:51 +0000998 pr_cont("\n");
999 } else {
Michael Chanb6016b72005-05-26 13:03:09 -07001000 netif_carrier_off(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +00001001 netdev_err(bp->dev, "NIC %s Link is Down\n",
1002 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -07001003 }
Michael Chane3648b32005-11-04 08:51:21 -08001004
1005 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001006}
1007
1008static void
1009bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1010{
1011 u32 local_adv, remote_adv;
1012
1013 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001014 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -07001015 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1016
1017 if (bp->duplex == DUPLEX_FULL) {
1018 bp->flow_ctrl = bp->req_flow_ctrl;
1019 }
1020 return;
1021 }
1022
1023 if (bp->duplex != DUPLEX_FULL) {
1024 return;
1025 }
1026
Michael Chan583c28e2008-01-21 19:51:35 -08001027 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan5b0c76a2005-11-04 08:45:49 -08001028 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
1029 u32 val;
1030
1031 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1032 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1033 bp->flow_ctrl |= FLOW_CTRL_TX;
1034 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1035 bp->flow_ctrl |= FLOW_CTRL_RX;
1036 return;
1037 }
1038
Michael Chanca58c3a2007-05-03 13:22:52 -07001039 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1040 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001041
Michael Chan583c28e2008-01-21 19:51:35 -08001042 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001043 u32 new_local_adv = 0;
1044 u32 new_remote_adv = 0;
1045
1046 if (local_adv & ADVERTISE_1000XPAUSE)
1047 new_local_adv |= ADVERTISE_PAUSE_CAP;
1048 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1049 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1050 if (remote_adv & ADVERTISE_1000XPAUSE)
1051 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1052 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1053 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1054
1055 local_adv = new_local_adv;
1056 remote_adv = new_remote_adv;
1057 }
1058
1059 /* See Table 28B-3 of 802.3ab-1999 spec. */
1060 if (local_adv & ADVERTISE_PAUSE_CAP) {
1061 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1062 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1063 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1064 }
1065 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1066 bp->flow_ctrl = FLOW_CTRL_RX;
1067 }
1068 }
1069 else {
1070 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1071 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1072 }
1073 }
1074 }
1075 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1076 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1077 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1078
1079 bp->flow_ctrl = FLOW_CTRL_TX;
1080 }
1081 }
1082}
1083
1084static int
Michael Chan27a005b2007-05-03 13:23:41 -07001085bnx2_5709s_linkup(struct bnx2 *bp)
1086{
1087 u32 val, speed;
1088
1089 bp->link_up = 1;
1090
1091 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1092 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1093 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1094
1095 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1096 bp->line_speed = bp->req_line_speed;
1097 bp->duplex = bp->req_duplex;
1098 return 0;
1099 }
1100 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1101 switch (speed) {
1102 case MII_BNX2_GP_TOP_AN_SPEED_10:
1103 bp->line_speed = SPEED_10;
1104 break;
1105 case MII_BNX2_GP_TOP_AN_SPEED_100:
1106 bp->line_speed = SPEED_100;
1107 break;
1108 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1109 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1110 bp->line_speed = SPEED_1000;
1111 break;
1112 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1113 bp->line_speed = SPEED_2500;
1114 break;
1115 }
1116 if (val & MII_BNX2_GP_TOP_AN_FD)
1117 bp->duplex = DUPLEX_FULL;
1118 else
1119 bp->duplex = DUPLEX_HALF;
1120 return 0;
1121}
1122
1123static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001124bnx2_5708s_linkup(struct bnx2 *bp)
1125{
1126 u32 val;
1127
1128 bp->link_up = 1;
1129 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1130 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1131 case BCM5708S_1000X_STAT1_SPEED_10:
1132 bp->line_speed = SPEED_10;
1133 break;
1134 case BCM5708S_1000X_STAT1_SPEED_100:
1135 bp->line_speed = SPEED_100;
1136 break;
1137 case BCM5708S_1000X_STAT1_SPEED_1G:
1138 bp->line_speed = SPEED_1000;
1139 break;
1140 case BCM5708S_1000X_STAT1_SPEED_2G5:
1141 bp->line_speed = SPEED_2500;
1142 break;
1143 }
1144 if (val & BCM5708S_1000X_STAT1_FD)
1145 bp->duplex = DUPLEX_FULL;
1146 else
1147 bp->duplex = DUPLEX_HALF;
1148
1149 return 0;
1150}
1151
1152static int
1153bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001154{
1155 u32 bmcr, local_adv, remote_adv, common;
1156
1157 bp->link_up = 1;
1158 bp->line_speed = SPEED_1000;
1159
Michael Chanca58c3a2007-05-03 13:22:52 -07001160 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001161 if (bmcr & BMCR_FULLDPLX) {
1162 bp->duplex = DUPLEX_FULL;
1163 }
1164 else {
1165 bp->duplex = DUPLEX_HALF;
1166 }
1167
1168 if (!(bmcr & BMCR_ANENABLE)) {
1169 return 0;
1170 }
1171
Michael Chanca58c3a2007-05-03 13:22:52 -07001172 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1173 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001174
1175 common = local_adv & remote_adv;
1176 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1177
1178 if (common & ADVERTISE_1000XFULL) {
1179 bp->duplex = DUPLEX_FULL;
1180 }
1181 else {
1182 bp->duplex = DUPLEX_HALF;
1183 }
1184 }
1185
1186 return 0;
1187}
1188
1189static int
1190bnx2_copper_linkup(struct bnx2 *bp)
1191{
1192 u32 bmcr;
1193
Michael Chanca58c3a2007-05-03 13:22:52 -07001194 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001195 if (bmcr & BMCR_ANENABLE) {
1196 u32 local_adv, remote_adv, common;
1197
1198 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1199 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1200
1201 common = local_adv & (remote_adv >> 2);
1202 if (common & ADVERTISE_1000FULL) {
1203 bp->line_speed = SPEED_1000;
1204 bp->duplex = DUPLEX_FULL;
1205 }
1206 else if (common & ADVERTISE_1000HALF) {
1207 bp->line_speed = SPEED_1000;
1208 bp->duplex = DUPLEX_HALF;
1209 }
1210 else {
Michael Chanca58c3a2007-05-03 13:22:52 -07001211 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1212 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001213
1214 common = local_adv & remote_adv;
1215 if (common & ADVERTISE_100FULL) {
1216 bp->line_speed = SPEED_100;
1217 bp->duplex = DUPLEX_FULL;
1218 }
1219 else if (common & ADVERTISE_100HALF) {
1220 bp->line_speed = SPEED_100;
1221 bp->duplex = DUPLEX_HALF;
1222 }
1223 else if (common & ADVERTISE_10FULL) {
1224 bp->line_speed = SPEED_10;
1225 bp->duplex = DUPLEX_FULL;
1226 }
1227 else if (common & ADVERTISE_10HALF) {
1228 bp->line_speed = SPEED_10;
1229 bp->duplex = DUPLEX_HALF;
1230 }
1231 else {
1232 bp->line_speed = 0;
1233 bp->link_up = 0;
1234 }
1235 }
1236 }
1237 else {
1238 if (bmcr & BMCR_SPEED100) {
1239 bp->line_speed = SPEED_100;
1240 }
1241 else {
1242 bp->line_speed = SPEED_10;
1243 }
1244 if (bmcr & BMCR_FULLDPLX) {
1245 bp->duplex = DUPLEX_FULL;
1246 }
1247 else {
1248 bp->duplex = DUPLEX_HALF;
1249 }
1250 }
1251
1252 return 0;
1253}
1254
Michael Chan83e3fc82008-01-29 21:37:17 -08001255static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07001256bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
Michael Chan83e3fc82008-01-29 21:37:17 -08001257{
Michael Chanbb4f98a2008-06-19 16:38:19 -07001258 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08001259
1260 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1261 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1262 val |= 0x02 << 8;
1263
1264 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1265 u32 lo_water, hi_water;
1266
1267 if (bp->flow_ctrl & FLOW_CTRL_TX)
1268 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1269 else
1270 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1271 if (lo_water >= bp->rx_ring_size)
1272 lo_water = 0;
1273
Michael Chan57260262010-02-15 19:42:09 +00001274 hi_water = min_t(int, bp->rx_ring_size / 4, lo_water + 16);
Michael Chan83e3fc82008-01-29 21:37:17 -08001275
1276 if (hi_water <= lo_water)
1277 lo_water = 0;
1278
1279 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1280 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1281
1282 if (hi_water > 0xf)
1283 hi_water = 0xf;
1284 else if (hi_water == 0)
1285 lo_water = 0;
1286 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1287 }
1288 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1289}
1290
Michael Chanbb4f98a2008-06-19 16:38:19 -07001291static void
1292bnx2_init_all_rx_contexts(struct bnx2 *bp)
1293{
1294 int i;
1295 u32 cid;
1296
1297 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1298 if (i == 1)
1299 cid = RX_RSS_CID;
1300 bnx2_init_rx_context(bp, cid);
1301 }
1302}
1303
Benjamin Li344478d2008-09-18 16:38:24 -07001304static void
Michael Chanb6016b72005-05-26 13:03:09 -07001305bnx2_set_mac_link(struct bnx2 *bp)
1306{
1307 u32 val;
1308
1309 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1310 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1311 (bp->duplex == DUPLEX_HALF)) {
1312 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1313 }
1314
1315 /* Configure the EMAC mode register. */
1316 val = REG_RD(bp, BNX2_EMAC_MODE);
1317
1318 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001319 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001320 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001321
1322 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001323 switch (bp->line_speed) {
1324 case SPEED_10:
Michael Chan59b47d82006-11-19 14:10:45 -08001325 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1326 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001327 break;
1328 }
1329 /* fall through */
1330 case SPEED_100:
1331 val |= BNX2_EMAC_MODE_PORT_MII;
1332 break;
1333 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001334 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001335 /* fall through */
1336 case SPEED_1000:
1337 val |= BNX2_EMAC_MODE_PORT_GMII;
1338 break;
1339 }
Michael Chanb6016b72005-05-26 13:03:09 -07001340 }
1341 else {
1342 val |= BNX2_EMAC_MODE_PORT_GMII;
1343 }
1344
1345 /* Set the MAC to operate in the appropriate duplex mode. */
1346 if (bp->duplex == DUPLEX_HALF)
1347 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1348 REG_WR(bp, BNX2_EMAC_MODE, val);
1349
1350 /* Enable/disable rx PAUSE. */
1351 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1352
1353 if (bp->flow_ctrl & FLOW_CTRL_RX)
1354 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1355 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1356
1357 /* Enable/disable tx PAUSE. */
1358 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1359 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1360
1361 if (bp->flow_ctrl & FLOW_CTRL_TX)
1362 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1363 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1364
1365 /* Acknowledge the interrupt. */
1366 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1367
Michael Chan83e3fc82008-01-29 21:37:17 -08001368 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chanbb4f98a2008-06-19 16:38:19 -07001369 bnx2_init_all_rx_contexts(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001370}
1371
Michael Chan27a005b2007-05-03 13:23:41 -07001372static void
1373bnx2_enable_bmsr1(struct bnx2 *bp)
1374{
Michael Chan583c28e2008-01-21 19:51:35 -08001375 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001376 (CHIP_NUM(bp) == CHIP_NUM_5709))
1377 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1378 MII_BNX2_BLK_ADDR_GP_STATUS);
1379}
1380
1381static void
1382bnx2_disable_bmsr1(struct bnx2 *bp)
1383{
Michael Chan583c28e2008-01-21 19:51:35 -08001384 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001385 (CHIP_NUM(bp) == CHIP_NUM_5709))
1386 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1387 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1388}
1389
Michael Chanb6016b72005-05-26 13:03:09 -07001390static int
Michael Chan605a9e22007-05-03 13:23:13 -07001391bnx2_test_and_enable_2g5(struct bnx2 *bp)
1392{
1393 u32 up1;
1394 int ret = 1;
1395
Michael Chan583c28e2008-01-21 19:51:35 -08001396 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001397 return 0;
1398
1399 if (bp->autoneg & AUTONEG_SPEED)
1400 bp->advertising |= ADVERTISED_2500baseX_Full;
1401
Michael Chan27a005b2007-05-03 13:23:41 -07001402 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1403 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1404
Michael Chan605a9e22007-05-03 13:23:13 -07001405 bnx2_read_phy(bp, bp->mii_up1, &up1);
1406 if (!(up1 & BCM5708S_UP1_2G5)) {
1407 up1 |= BCM5708S_UP1_2G5;
1408 bnx2_write_phy(bp, bp->mii_up1, up1);
1409 ret = 0;
1410 }
1411
Michael Chan27a005b2007-05-03 13:23:41 -07001412 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1413 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1414 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1415
Michael Chan605a9e22007-05-03 13:23:13 -07001416 return ret;
1417}
1418
1419static int
1420bnx2_test_and_disable_2g5(struct bnx2 *bp)
1421{
1422 u32 up1;
1423 int ret = 0;
1424
Michael Chan583c28e2008-01-21 19:51:35 -08001425 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001426 return 0;
1427
Michael Chan27a005b2007-05-03 13:23:41 -07001428 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1429 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1430
Michael Chan605a9e22007-05-03 13:23:13 -07001431 bnx2_read_phy(bp, bp->mii_up1, &up1);
1432 if (up1 & BCM5708S_UP1_2G5) {
1433 up1 &= ~BCM5708S_UP1_2G5;
1434 bnx2_write_phy(bp, bp->mii_up1, up1);
1435 ret = 1;
1436 }
1437
Michael Chan27a005b2007-05-03 13:23:41 -07001438 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1439 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1440 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1441
Michael Chan605a9e22007-05-03 13:23:13 -07001442 return ret;
1443}
1444
1445static void
1446bnx2_enable_forced_2g5(struct bnx2 *bp)
1447{
1448 u32 bmcr;
1449
Michael Chan583c28e2008-01-21 19:51:35 -08001450 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001451 return;
1452
Michael Chan27a005b2007-05-03 13:23:41 -07001453 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1454 u32 val;
1455
1456 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1457 MII_BNX2_BLK_ADDR_SERDES_DIG);
1458 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1459 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1460 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1461 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1462
1463 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1464 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1465 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1466
1467 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001468 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1469 bmcr |= BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001470 } else {
1471 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001472 }
1473
1474 if (bp->autoneg & AUTONEG_SPEED) {
1475 bmcr &= ~BMCR_ANENABLE;
1476 if (bp->req_duplex == DUPLEX_FULL)
1477 bmcr |= BMCR_FULLDPLX;
1478 }
1479 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1480}
1481
1482static void
1483bnx2_disable_forced_2g5(struct bnx2 *bp)
1484{
1485 u32 bmcr;
1486
Michael Chan583c28e2008-01-21 19:51:35 -08001487 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001488 return;
1489
Michael Chan27a005b2007-05-03 13:23:41 -07001490 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1491 u32 val;
1492
1493 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1494 MII_BNX2_BLK_ADDR_SERDES_DIG);
1495 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1496 val &= ~MII_BNX2_SD_MISC1_FORCE;
1497 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1498
1499 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1500 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1501 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1502
1503 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001504 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1505 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001506 } else {
1507 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001508 }
1509
1510 if (bp->autoneg & AUTONEG_SPEED)
1511 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1512 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1513}
1514
Michael Chanb2fadea2008-01-21 17:07:06 -08001515static void
1516bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1517{
1518 u32 val;
1519
1520 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1521 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1522 if (start)
1523 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1524 else
1525 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1526}
1527
Michael Chan605a9e22007-05-03 13:23:13 -07001528static int
Michael Chanb6016b72005-05-26 13:03:09 -07001529bnx2_set_link(struct bnx2 *bp)
1530{
1531 u32 bmsr;
1532 u8 link_up;
1533
Michael Chan80be4432006-11-19 14:07:28 -08001534 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001535 bp->link_up = 1;
1536 return 0;
1537 }
1538
Michael Chan583c28e2008-01-21 19:51:35 -08001539 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001540 return 0;
1541
Michael Chanb6016b72005-05-26 13:03:09 -07001542 link_up = bp->link_up;
1543
Michael Chan27a005b2007-05-03 13:23:41 -07001544 bnx2_enable_bmsr1(bp);
1545 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1546 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1547 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001548
Michael Chan583c28e2008-01-21 19:51:35 -08001549 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chanb6016b72005-05-26 13:03:09 -07001550 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001551 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001552
Michael Chan583c28e2008-01-21 19:51:35 -08001553 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001554 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001555 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001556 }
Michael Chanb6016b72005-05-26 13:03:09 -07001557 val = REG_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001558
1559 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1560 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1561 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1562
1563 if ((val & BNX2_EMAC_STATUS_LINK) &&
1564 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001565 bmsr |= BMSR_LSTATUS;
1566 else
1567 bmsr &= ~BMSR_LSTATUS;
1568 }
1569
1570 if (bmsr & BMSR_LSTATUS) {
1571 bp->link_up = 1;
1572
Michael Chan583c28e2008-01-21 19:51:35 -08001573 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001574 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1575 bnx2_5706s_linkup(bp);
1576 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1577 bnx2_5708s_linkup(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001578 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1579 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001580 }
1581 else {
1582 bnx2_copper_linkup(bp);
1583 }
1584 bnx2_resolve_flow_ctrl(bp);
1585 }
1586 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001587 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001588 (bp->autoneg & AUTONEG_SPEED))
1589 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001590
Michael Chan583c28e2008-01-21 19:51:35 -08001591 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001592 u32 bmcr;
1593
1594 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1595 bmcr |= BMCR_ANENABLE;
1596 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1597
Michael Chan583c28e2008-01-21 19:51:35 -08001598 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001599 }
Michael Chanb6016b72005-05-26 13:03:09 -07001600 bp->link_up = 0;
1601 }
1602
1603 if (bp->link_up != link_up) {
1604 bnx2_report_link(bp);
1605 }
1606
1607 bnx2_set_mac_link(bp);
1608
1609 return 0;
1610}
1611
1612static int
1613bnx2_reset_phy(struct bnx2 *bp)
1614{
1615 int i;
1616 u32 reg;
1617
Michael Chanca58c3a2007-05-03 13:22:52 -07001618 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001619
1620#define PHY_RESET_MAX_WAIT 100
1621 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1622 udelay(10);
1623
Michael Chanca58c3a2007-05-03 13:22:52 -07001624 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001625 if (!(reg & BMCR_RESET)) {
1626 udelay(20);
1627 break;
1628 }
1629 }
1630 if (i == PHY_RESET_MAX_WAIT) {
1631 return -EBUSY;
1632 }
1633 return 0;
1634}
1635
1636static u32
1637bnx2_phy_get_pause_adv(struct bnx2 *bp)
1638{
1639 u32 adv = 0;
1640
1641 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1642 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1643
Michael Chan583c28e2008-01-21 19:51:35 -08001644 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001645 adv = ADVERTISE_1000XPAUSE;
1646 }
1647 else {
1648 adv = ADVERTISE_PAUSE_CAP;
1649 }
1650 }
1651 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001652 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001653 adv = ADVERTISE_1000XPSE_ASYM;
1654 }
1655 else {
1656 adv = ADVERTISE_PAUSE_ASYM;
1657 }
1658 }
1659 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001660 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001661 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1662 }
1663 else {
1664 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1665 }
1666 }
1667 return adv;
1668}
1669
Michael Chana2f13892008-07-14 22:38:23 -07001670static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
Michael Chan0d8a6572007-07-07 22:49:43 -07001671
Michael Chanb6016b72005-05-26 13:03:09 -07001672static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001673bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001674__releases(&bp->phy_lock)
1675__acquires(&bp->phy_lock)
Michael Chan0d8a6572007-07-07 22:49:43 -07001676{
1677 u32 speed_arg = 0, pause_adv;
1678
1679 pause_adv = bnx2_phy_get_pause_adv(bp);
1680
1681 if (bp->autoneg & AUTONEG_SPEED) {
1682 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1683 if (bp->advertising & ADVERTISED_10baseT_Half)
1684 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1685 if (bp->advertising & ADVERTISED_10baseT_Full)
1686 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1687 if (bp->advertising & ADVERTISED_100baseT_Half)
1688 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1689 if (bp->advertising & ADVERTISED_100baseT_Full)
1690 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1691 if (bp->advertising & ADVERTISED_1000baseT_Full)
1692 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1693 if (bp->advertising & ADVERTISED_2500baseX_Full)
1694 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1695 } else {
1696 if (bp->req_line_speed == SPEED_2500)
1697 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1698 else if (bp->req_line_speed == SPEED_1000)
1699 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1700 else if (bp->req_line_speed == SPEED_100) {
1701 if (bp->req_duplex == DUPLEX_FULL)
1702 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1703 else
1704 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1705 } else if (bp->req_line_speed == SPEED_10) {
1706 if (bp->req_duplex == DUPLEX_FULL)
1707 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1708 else
1709 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1710 }
1711 }
1712
1713 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1714 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001715 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001716 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1717
1718 if (port == PORT_TP)
1719 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1720 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1721
Michael Chan2726d6e2008-01-29 21:35:05 -08001722 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001723
1724 spin_unlock_bh(&bp->phy_lock);
Michael Chana2f13892008-07-14 22:38:23 -07001725 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
Michael Chan0d8a6572007-07-07 22:49:43 -07001726 spin_lock_bh(&bp->phy_lock);
1727
1728 return 0;
1729}
1730
1731static int
1732bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001733__releases(&bp->phy_lock)
1734__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07001735{
Michael Chan605a9e22007-05-03 13:23:13 -07001736 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001737 u32 new_adv = 0;
1738
Michael Chan583c28e2008-01-21 19:51:35 -08001739 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001740 return (bnx2_setup_remote_phy(bp, port));
1741
Michael Chanb6016b72005-05-26 13:03:09 -07001742 if (!(bp->autoneg & AUTONEG_SPEED)) {
1743 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001744 int force_link_down = 0;
1745
Michael Chan605a9e22007-05-03 13:23:13 -07001746 if (bp->req_line_speed == SPEED_2500) {
1747 if (!bnx2_test_and_enable_2g5(bp))
1748 force_link_down = 1;
1749 } else if (bp->req_line_speed == SPEED_1000) {
1750 if (bnx2_test_and_disable_2g5(bp))
1751 force_link_down = 1;
1752 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001753 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001754 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1755
Michael Chanca58c3a2007-05-03 13:22:52 -07001756 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001757 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001758 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001759
Michael Chan27a005b2007-05-03 13:23:41 -07001760 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1761 if (bp->req_line_speed == SPEED_2500)
1762 bnx2_enable_forced_2g5(bp);
1763 else if (bp->req_line_speed == SPEED_1000) {
1764 bnx2_disable_forced_2g5(bp);
1765 new_bmcr &= ~0x2000;
1766 }
1767
1768 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001769 if (bp->req_line_speed == SPEED_2500)
1770 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1771 else
1772 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001773 }
1774
Michael Chanb6016b72005-05-26 13:03:09 -07001775 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001776 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001777 new_bmcr |= BMCR_FULLDPLX;
1778 }
1779 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001780 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001781 new_bmcr &= ~BMCR_FULLDPLX;
1782 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001783 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001784 /* Force a link down visible on the other side */
1785 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001786 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001787 ~(ADVERTISE_1000XFULL |
1788 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001789 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001790 BMCR_ANRESTART | BMCR_ANENABLE);
1791
1792 bp->link_up = 0;
1793 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001794 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001795 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001796 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001797 bnx2_write_phy(bp, bp->mii_adv, adv);
1798 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001799 } else {
1800 bnx2_resolve_flow_ctrl(bp);
1801 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001802 }
1803 return 0;
1804 }
1805
Michael Chan605a9e22007-05-03 13:23:13 -07001806 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001807
Michael Chanb6016b72005-05-26 13:03:09 -07001808 if (bp->advertising & ADVERTISED_1000baseT_Full)
1809 new_adv |= ADVERTISE_1000XFULL;
1810
1811 new_adv |= bnx2_phy_get_pause_adv(bp);
1812
Michael Chanca58c3a2007-05-03 13:22:52 -07001813 bnx2_read_phy(bp, bp->mii_adv, &adv);
1814 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001815
1816 bp->serdes_an_pending = 0;
1817 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1818 /* Force a link down visible on the other side */
1819 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001820 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001821 spin_unlock_bh(&bp->phy_lock);
1822 msleep(20);
1823 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001824 }
1825
Michael Chanca58c3a2007-05-03 13:22:52 -07001826 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1827 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001828 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001829 /* Speed up link-up time when the link partner
1830 * does not autonegotiate which is very common
1831 * in blade servers. Some blade servers use
1832 * IPMI for kerboard input and it's important
1833 * to minimize link disruptions. Autoneg. involves
1834 * exchanging base pages plus 3 next pages and
1835 * normally completes in about 120 msec.
1836 */
Michael Chan40105c02008-11-12 16:02:45 -08001837 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08001838 bp->serdes_an_pending = 1;
1839 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001840 } else {
1841 bnx2_resolve_flow_ctrl(bp);
1842 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001843 }
1844
1845 return 0;
1846}
1847
1848#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001849 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001850 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1851 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001852
1853#define ETHTOOL_ALL_COPPER_SPEED \
1854 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1855 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1856 ADVERTISED_1000baseT_Full)
1857
1858#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1859 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001860
Michael Chanb6016b72005-05-26 13:03:09 -07001861#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1862
Michael Chandeaf3912007-07-07 22:48:00 -07001863static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001864bnx2_set_default_remote_link(struct bnx2 *bp)
1865{
1866 u32 link;
1867
1868 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001869 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001870 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001871 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001872
1873 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1874 bp->req_line_speed = 0;
1875 bp->autoneg |= AUTONEG_SPEED;
1876 bp->advertising = ADVERTISED_Autoneg;
1877 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1878 bp->advertising |= ADVERTISED_10baseT_Half;
1879 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1880 bp->advertising |= ADVERTISED_10baseT_Full;
1881 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1882 bp->advertising |= ADVERTISED_100baseT_Half;
1883 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1884 bp->advertising |= ADVERTISED_100baseT_Full;
1885 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1886 bp->advertising |= ADVERTISED_1000baseT_Full;
1887 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1888 bp->advertising |= ADVERTISED_2500baseX_Full;
1889 } else {
1890 bp->autoneg = 0;
1891 bp->advertising = 0;
1892 bp->req_duplex = DUPLEX_FULL;
1893 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1894 bp->req_line_speed = SPEED_10;
1895 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1896 bp->req_duplex = DUPLEX_HALF;
1897 }
1898 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1899 bp->req_line_speed = SPEED_100;
1900 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1901 bp->req_duplex = DUPLEX_HALF;
1902 }
1903 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1904 bp->req_line_speed = SPEED_1000;
1905 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1906 bp->req_line_speed = SPEED_2500;
1907 }
1908}
1909
1910static void
Michael Chandeaf3912007-07-07 22:48:00 -07001911bnx2_set_default_link(struct bnx2 *bp)
1912{
Harvey Harrisonab598592008-05-01 02:47:38 -07001913 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1914 bnx2_set_default_remote_link(bp);
1915 return;
1916 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001917
Michael Chandeaf3912007-07-07 22:48:00 -07001918 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1919 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001920 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001921 u32 reg;
1922
1923 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1924
Michael Chan2726d6e2008-01-29 21:35:05 -08001925 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001926 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1927 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1928 bp->autoneg = 0;
1929 bp->req_line_speed = bp->line_speed = SPEED_1000;
1930 bp->req_duplex = DUPLEX_FULL;
1931 }
1932 } else
1933 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1934}
1935
Michael Chan0d8a6572007-07-07 22:49:43 -07001936static void
Michael Chandf149d72007-07-07 22:51:36 -07001937bnx2_send_heart_beat(struct bnx2 *bp)
1938{
1939 u32 msg;
1940 u32 addr;
1941
1942 spin_lock(&bp->indirect_lock);
1943 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1944 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1945 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1946 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1947 spin_unlock(&bp->indirect_lock);
1948}
1949
1950static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001951bnx2_remote_phy_event(struct bnx2 *bp)
1952{
1953 u32 msg;
1954 u8 link_up = bp->link_up;
1955 u8 old_port;
1956
Michael Chan2726d6e2008-01-29 21:35:05 -08001957 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001958
Michael Chandf149d72007-07-07 22:51:36 -07001959 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1960 bnx2_send_heart_beat(bp);
1961
1962 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1963
Michael Chan0d8a6572007-07-07 22:49:43 -07001964 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1965 bp->link_up = 0;
1966 else {
1967 u32 speed;
1968
1969 bp->link_up = 1;
1970 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1971 bp->duplex = DUPLEX_FULL;
1972 switch (speed) {
1973 case BNX2_LINK_STATUS_10HALF:
1974 bp->duplex = DUPLEX_HALF;
1975 case BNX2_LINK_STATUS_10FULL:
1976 bp->line_speed = SPEED_10;
1977 break;
1978 case BNX2_LINK_STATUS_100HALF:
1979 bp->duplex = DUPLEX_HALF;
1980 case BNX2_LINK_STATUS_100BASE_T4:
1981 case BNX2_LINK_STATUS_100FULL:
1982 bp->line_speed = SPEED_100;
1983 break;
1984 case BNX2_LINK_STATUS_1000HALF:
1985 bp->duplex = DUPLEX_HALF;
1986 case BNX2_LINK_STATUS_1000FULL:
1987 bp->line_speed = SPEED_1000;
1988 break;
1989 case BNX2_LINK_STATUS_2500HALF:
1990 bp->duplex = DUPLEX_HALF;
1991 case BNX2_LINK_STATUS_2500FULL:
1992 bp->line_speed = SPEED_2500;
1993 break;
1994 default:
1995 bp->line_speed = 0;
1996 break;
1997 }
1998
Michael Chan0d8a6572007-07-07 22:49:43 -07001999 bp->flow_ctrl = 0;
2000 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
2001 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
2002 if (bp->duplex == DUPLEX_FULL)
2003 bp->flow_ctrl = bp->req_flow_ctrl;
2004 } else {
2005 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
2006 bp->flow_ctrl |= FLOW_CTRL_TX;
2007 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
2008 bp->flow_ctrl |= FLOW_CTRL_RX;
2009 }
2010
2011 old_port = bp->phy_port;
2012 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2013 bp->phy_port = PORT_FIBRE;
2014 else
2015 bp->phy_port = PORT_TP;
2016
2017 if (old_port != bp->phy_port)
2018 bnx2_set_default_link(bp);
2019
Michael Chan0d8a6572007-07-07 22:49:43 -07002020 }
2021 if (bp->link_up != link_up)
2022 bnx2_report_link(bp);
2023
2024 bnx2_set_mac_link(bp);
2025}
2026
2027static int
2028bnx2_set_remote_link(struct bnx2 *bp)
2029{
2030 u32 evt_code;
2031
Michael Chan2726d6e2008-01-29 21:35:05 -08002032 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07002033 switch (evt_code) {
2034 case BNX2_FW_EVT_CODE_LINK_EVENT:
2035 bnx2_remote_phy_event(bp);
2036 break;
2037 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2038 default:
Michael Chandf149d72007-07-07 22:51:36 -07002039 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07002040 break;
2041 }
2042 return 0;
2043}
2044
Michael Chanb6016b72005-05-26 13:03:09 -07002045static int
2046bnx2_setup_copper_phy(struct bnx2 *bp)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002047__releases(&bp->phy_lock)
2048__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002049{
2050 u32 bmcr;
2051 u32 new_bmcr;
2052
Michael Chanca58c3a2007-05-03 13:22:52 -07002053 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002054
2055 if (bp->autoneg & AUTONEG_SPEED) {
2056 u32 adv_reg, adv1000_reg;
2057 u32 new_adv_reg = 0;
2058 u32 new_adv1000_reg = 0;
2059
Michael Chanca58c3a2007-05-03 13:22:52 -07002060 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07002061 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2062 ADVERTISE_PAUSE_ASYM);
2063
2064 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2065 adv1000_reg &= PHY_ALL_1000_SPEED;
2066
2067 if (bp->advertising & ADVERTISED_10baseT_Half)
2068 new_adv_reg |= ADVERTISE_10HALF;
2069 if (bp->advertising & ADVERTISED_10baseT_Full)
2070 new_adv_reg |= ADVERTISE_10FULL;
2071 if (bp->advertising & ADVERTISED_100baseT_Half)
2072 new_adv_reg |= ADVERTISE_100HALF;
2073 if (bp->advertising & ADVERTISED_100baseT_Full)
2074 new_adv_reg |= ADVERTISE_100FULL;
2075 if (bp->advertising & ADVERTISED_1000baseT_Full)
2076 new_adv1000_reg |= ADVERTISE_1000FULL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002077
Michael Chanb6016b72005-05-26 13:03:09 -07002078 new_adv_reg |= ADVERTISE_CSMA;
2079
2080 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
2081
2082 if ((adv1000_reg != new_adv1000_reg) ||
2083 (adv_reg != new_adv_reg) ||
2084 ((bmcr & BMCR_ANENABLE) == 0)) {
2085
Michael Chanca58c3a2007-05-03 13:22:52 -07002086 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07002087 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
Michael Chanca58c3a2007-05-03 13:22:52 -07002088 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07002089 BMCR_ANENABLE);
2090 }
2091 else if (bp->link_up) {
2092 /* Flow ctrl may have changed from auto to forced */
2093 /* or vice-versa. */
2094
2095 bnx2_resolve_flow_ctrl(bp);
2096 bnx2_set_mac_link(bp);
2097 }
2098 return 0;
2099 }
2100
2101 new_bmcr = 0;
2102 if (bp->req_line_speed == SPEED_100) {
2103 new_bmcr |= BMCR_SPEED100;
2104 }
2105 if (bp->req_duplex == DUPLEX_FULL) {
2106 new_bmcr |= BMCR_FULLDPLX;
2107 }
2108 if (new_bmcr != bmcr) {
2109 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07002110
Michael Chanca58c3a2007-05-03 13:22:52 -07002111 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2112 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002113
Michael Chanb6016b72005-05-26 13:03:09 -07002114 if (bmsr & BMSR_LSTATUS) {
2115 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07002116 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08002117 spin_unlock_bh(&bp->phy_lock);
2118 msleep(50);
2119 spin_lock_bh(&bp->phy_lock);
2120
Michael Chanca58c3a2007-05-03 13:22:52 -07002121 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2122 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07002123 }
2124
Michael Chanca58c3a2007-05-03 13:22:52 -07002125 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002126
2127 /* Normally, the new speed is setup after the link has
2128 * gone down and up again. In some cases, link will not go
2129 * down so we need to set up the new speed here.
2130 */
2131 if (bmsr & BMSR_LSTATUS) {
2132 bp->line_speed = bp->req_line_speed;
2133 bp->duplex = bp->req_duplex;
2134 bnx2_resolve_flow_ctrl(bp);
2135 bnx2_set_mac_link(bp);
2136 }
Michael Chan27a005b2007-05-03 13:23:41 -07002137 } else {
2138 bnx2_resolve_flow_ctrl(bp);
2139 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002140 }
2141 return 0;
2142}
2143
2144static int
Michael Chan0d8a6572007-07-07 22:49:43 -07002145bnx2_setup_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002146__releases(&bp->phy_lock)
2147__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002148{
2149 if (bp->loopback == MAC_LOOPBACK)
2150 return 0;
2151
Michael Chan583c28e2008-01-21 19:51:35 -08002152 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07002153 return (bnx2_setup_serdes_phy(bp, port));
Michael Chanb6016b72005-05-26 13:03:09 -07002154 }
2155 else {
2156 return (bnx2_setup_copper_phy(bp));
2157 }
2158}
2159
2160static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002161bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan27a005b2007-05-03 13:23:41 -07002162{
2163 u32 val;
2164
2165 bp->mii_bmcr = MII_BMCR + 0x10;
2166 bp->mii_bmsr = MII_BMSR + 0x10;
2167 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2168 bp->mii_adv = MII_ADVERTISE + 0x10;
2169 bp->mii_lpa = MII_LPA + 0x10;
2170 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2171
2172 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2173 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2174
2175 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chan9a120bc2008-05-16 22:17:45 -07002176 if (reset_phy)
2177 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002178
2179 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2180
2181 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2182 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2183 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2184 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2185
2186 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2187 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08002188 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07002189 val |= BCM5708S_UP1_2G5;
2190 else
2191 val &= ~BCM5708S_UP1_2G5;
2192 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2193
2194 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2195 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2196 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2197 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2198
2199 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2200
2201 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2202 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2203 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2204
2205 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2206
2207 return 0;
2208}
2209
2210static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002211bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan5b0c76a2005-11-04 08:45:49 -08002212{
2213 u32 val;
2214
Michael Chan9a120bc2008-05-16 22:17:45 -07002215 if (reset_phy)
2216 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002217
2218 bp->mii_up1 = BCM5708S_UP1;
2219
Michael Chan5b0c76a2005-11-04 08:45:49 -08002220 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2221 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2222 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2223
2224 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2225 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2226 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2227
2228 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2229 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2230 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2231
Michael Chan583c28e2008-01-21 19:51:35 -08002232 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002233 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2234 val |= BCM5708S_UP1_2G5;
2235 bnx2_write_phy(bp, BCM5708S_UP1, val);
2236 }
2237
2238 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
Michael Chandda1e392006-01-23 16:08:14 -08002239 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2240 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002241 /* increase tx signal amplitude */
2242 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2243 BCM5708S_BLK_ADDR_TX_MISC);
2244 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2245 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2246 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2247 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2248 }
2249
Michael Chan2726d6e2008-01-29 21:35:05 -08002250 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08002251 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2252
2253 if (val) {
2254 u32 is_backplane;
2255
Michael Chan2726d6e2008-01-29 21:35:05 -08002256 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002257 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2258 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2259 BCM5708S_BLK_ADDR_TX_MISC);
2260 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2261 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2262 BCM5708S_BLK_ADDR_DIG);
2263 }
2264 }
2265 return 0;
2266}
2267
2268static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002269bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002270{
Michael Chan9a120bc2008-05-16 22:17:45 -07002271 if (reset_phy)
2272 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002273
Michael Chan583c28e2008-01-21 19:51:35 -08002274 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07002275
Michael Chan59b47d82006-11-19 14:10:45 -08002276 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2277 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07002278
2279 if (bp->dev->mtu > 1500) {
2280 u32 val;
2281
2282 /* Set extended packet length bit */
2283 bnx2_write_phy(bp, 0x18, 0x7);
2284 bnx2_read_phy(bp, 0x18, &val);
2285 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2286
2287 bnx2_write_phy(bp, 0x1c, 0x6c00);
2288 bnx2_read_phy(bp, 0x1c, &val);
2289 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2290 }
2291 else {
2292 u32 val;
2293
2294 bnx2_write_phy(bp, 0x18, 0x7);
2295 bnx2_read_phy(bp, 0x18, &val);
2296 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2297
2298 bnx2_write_phy(bp, 0x1c, 0x6c00);
2299 bnx2_read_phy(bp, 0x1c, &val);
2300 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2301 }
2302
2303 return 0;
2304}
2305
2306static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002307bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002308{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002309 u32 val;
2310
Michael Chan9a120bc2008-05-16 22:17:45 -07002311 if (reset_phy)
2312 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002313
Michael Chan583c28e2008-01-21 19:51:35 -08002314 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002315 bnx2_write_phy(bp, 0x18, 0x0c00);
2316 bnx2_write_phy(bp, 0x17, 0x000a);
2317 bnx2_write_phy(bp, 0x15, 0x310b);
2318 bnx2_write_phy(bp, 0x17, 0x201f);
2319 bnx2_write_phy(bp, 0x15, 0x9506);
2320 bnx2_write_phy(bp, 0x17, 0x401f);
2321 bnx2_write_phy(bp, 0x15, 0x14e2);
2322 bnx2_write_phy(bp, 0x18, 0x0400);
2323 }
2324
Michael Chan583c28e2008-01-21 19:51:35 -08002325 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002326 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2327 MII_BNX2_DSP_EXPAND_REG | 0x8);
2328 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2329 val &= ~(1 << 8);
2330 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2331 }
2332
Michael Chanb6016b72005-05-26 13:03:09 -07002333 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002334 /* Set extended packet length bit */
2335 bnx2_write_phy(bp, 0x18, 0x7);
2336 bnx2_read_phy(bp, 0x18, &val);
2337 bnx2_write_phy(bp, 0x18, val | 0x4000);
2338
2339 bnx2_read_phy(bp, 0x10, &val);
2340 bnx2_write_phy(bp, 0x10, val | 0x1);
2341 }
2342 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002343 bnx2_write_phy(bp, 0x18, 0x7);
2344 bnx2_read_phy(bp, 0x18, &val);
2345 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2346
2347 bnx2_read_phy(bp, 0x10, &val);
2348 bnx2_write_phy(bp, 0x10, val & ~0x1);
2349 }
2350
Michael Chan5b0c76a2005-11-04 08:45:49 -08002351 /* ethernet@wirespeed */
2352 bnx2_write_phy(bp, 0x18, 0x7007);
2353 bnx2_read_phy(bp, 0x18, &val);
2354 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07002355 return 0;
2356}
2357
2358
2359static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002360bnx2_init_phy(struct bnx2 *bp, int reset_phy)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002361__releases(&bp->phy_lock)
2362__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002363{
2364 u32 val;
2365 int rc = 0;
2366
Michael Chan583c28e2008-01-21 19:51:35 -08002367 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2368 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002369
Michael Chanca58c3a2007-05-03 13:22:52 -07002370 bp->mii_bmcr = MII_BMCR;
2371 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002372 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002373 bp->mii_adv = MII_ADVERTISE;
2374 bp->mii_lpa = MII_LPA;
2375
Michael Chanb6016b72005-05-26 13:03:09 -07002376 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2377
Michael Chan583c28e2008-01-21 19:51:35 -08002378 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002379 goto setup_phy;
2380
Michael Chanb6016b72005-05-26 13:03:09 -07002381 bnx2_read_phy(bp, MII_PHYSID1, &val);
2382 bp->phy_id = val << 16;
2383 bnx2_read_phy(bp, MII_PHYSID2, &val);
2384 bp->phy_id |= val & 0xffff;
2385
Michael Chan583c28e2008-01-21 19:51:35 -08002386 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002387 if (CHIP_NUM(bp) == CHIP_NUM_5706)
Michael Chan9a120bc2008-05-16 22:17:45 -07002388 rc = bnx2_init_5706s_phy(bp, reset_phy);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002389 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan9a120bc2008-05-16 22:17:45 -07002390 rc = bnx2_init_5708s_phy(bp, reset_phy);
Michael Chan27a005b2007-05-03 13:23:41 -07002391 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan9a120bc2008-05-16 22:17:45 -07002392 rc = bnx2_init_5709s_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002393 }
2394 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07002395 rc = bnx2_init_copper_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002396 }
2397
Michael Chan0d8a6572007-07-07 22:49:43 -07002398setup_phy:
2399 if (!rc)
2400 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002401
2402 return rc;
2403}
2404
2405static int
2406bnx2_set_mac_loopback(struct bnx2 *bp)
2407{
2408 u32 mac_mode;
2409
2410 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2411 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2412 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2413 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2414 bp->link_up = 1;
2415 return 0;
2416}
2417
Michael Chanbc5a0692006-01-23 16:13:22 -08002418static int bnx2_test_link(struct bnx2 *);
2419
2420static int
2421bnx2_set_phy_loopback(struct bnx2 *bp)
2422{
2423 u32 mac_mode;
2424 int rc, i;
2425
2426 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002427 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002428 BMCR_SPEED1000);
2429 spin_unlock_bh(&bp->phy_lock);
2430 if (rc)
2431 return rc;
2432
2433 for (i = 0; i < 10; i++) {
2434 if (bnx2_test_link(bp) == 0)
2435 break;
Michael Chan80be4432006-11-19 14:07:28 -08002436 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002437 }
2438
2439 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2440 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2441 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002442 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002443
2444 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2445 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2446 bp->link_up = 1;
2447 return 0;
2448}
2449
Michael Chanb6016b72005-05-26 13:03:09 -07002450static int
Michael Chana2f13892008-07-14 22:38:23 -07002451bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002452{
2453 int i;
2454 u32 val;
2455
Michael Chanb6016b72005-05-26 13:03:09 -07002456 bp->fw_wr_seq++;
2457 msg_data |= bp->fw_wr_seq;
2458
Michael Chan2726d6e2008-01-29 21:35:05 -08002459 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002460
Michael Chana2f13892008-07-14 22:38:23 -07002461 if (!ack)
2462 return 0;
2463
Michael Chanb6016b72005-05-26 13:03:09 -07002464 /* wait for an acknowledgement. */
Michael Chan40105c02008-11-12 16:02:45 -08002465 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
Michael Chanb090ae22006-01-23 16:07:10 -08002466 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002467
Michael Chan2726d6e2008-01-29 21:35:05 -08002468 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002469
2470 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2471 break;
2472 }
Michael Chanb090ae22006-01-23 16:07:10 -08002473 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2474 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002475
2476 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002477 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2478 if (!silent)
Joe Perches3a9c6a42010-02-17 15:01:51 +00002479 pr_err("fw sync timeout, reset code = %x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002480
2481 msg_data &= ~BNX2_DRV_MSG_CODE;
2482 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2483
Michael Chan2726d6e2008-01-29 21:35:05 -08002484 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002485
Michael Chanb6016b72005-05-26 13:03:09 -07002486 return -EBUSY;
2487 }
2488
Michael Chanb090ae22006-01-23 16:07:10 -08002489 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2490 return -EIO;
2491
Michael Chanb6016b72005-05-26 13:03:09 -07002492 return 0;
2493}
2494
Michael Chan59b47d82006-11-19 14:10:45 -08002495static int
2496bnx2_init_5709_context(struct bnx2 *bp)
2497{
2498 int i, ret = 0;
2499 u32 val;
2500
2501 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2502 val |= (BCM_PAGE_BITS - 8) << 16;
2503 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002504 for (i = 0; i < 10; i++) {
2505 val = REG_RD(bp, BNX2_CTX_COMMAND);
2506 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2507 break;
2508 udelay(2);
2509 }
2510 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2511 return -EBUSY;
2512
Michael Chan59b47d82006-11-19 14:10:45 -08002513 for (i = 0; i < bp->ctx_pages; i++) {
2514 int j;
2515
Michael Chan352f7682008-05-02 16:57:26 -07002516 if (bp->ctx_blk[i])
2517 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2518 else
2519 return -ENOMEM;
2520
Michael Chan59b47d82006-11-19 14:10:45 -08002521 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2522 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2523 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2524 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2525 (u64) bp->ctx_blk_mapping[i] >> 32);
2526 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2527 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2528 for (j = 0; j < 10; j++) {
2529
2530 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2531 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2532 break;
2533 udelay(5);
2534 }
2535 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2536 ret = -EBUSY;
2537 break;
2538 }
2539 }
2540 return ret;
2541}
2542
Michael Chanb6016b72005-05-26 13:03:09 -07002543static void
2544bnx2_init_context(struct bnx2 *bp)
2545{
2546 u32 vcid;
2547
2548 vcid = 96;
2549 while (vcid) {
2550 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002551 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002552
2553 vcid--;
2554
2555 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2556 u32 new_vcid;
2557
2558 vcid_addr = GET_PCID_ADDR(vcid);
2559 if (vcid & 0x8) {
2560 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2561 }
2562 else {
2563 new_vcid = vcid;
2564 }
2565 pcid_addr = GET_PCID_ADDR(new_vcid);
2566 }
2567 else {
2568 vcid_addr = GET_CID_ADDR(vcid);
2569 pcid_addr = vcid_addr;
2570 }
2571
Michael Chan7947b202007-06-04 21:17:10 -07002572 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2573 vcid_addr += (i << PHY_CTX_SHIFT);
2574 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002575
Michael Chan5d5d0012007-12-12 11:17:43 -08002576 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002577 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2578
2579 /* Zero out the context. */
2580 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002581 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002582 }
Michael Chanb6016b72005-05-26 13:03:09 -07002583 }
2584}
2585
2586static int
2587bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2588{
2589 u16 *good_mbuf;
2590 u32 good_mbuf_cnt;
2591 u32 val;
2592
2593 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2594 if (good_mbuf == NULL) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00002595 pr_err("Failed to allocate memory in %s\n", __func__);
Michael Chanb6016b72005-05-26 13:03:09 -07002596 return -ENOMEM;
2597 }
2598
2599 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2600 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2601
2602 good_mbuf_cnt = 0;
2603
2604 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002605 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002606 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002607 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2608 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002609
Michael Chan2726d6e2008-01-29 21:35:05 -08002610 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002611
2612 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2613
2614 /* The addresses with Bit 9 set are bad memory blocks. */
2615 if (!(val & (1 << 9))) {
2616 good_mbuf[good_mbuf_cnt] = (u16) val;
2617 good_mbuf_cnt++;
2618 }
2619
Michael Chan2726d6e2008-01-29 21:35:05 -08002620 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002621 }
2622
2623 /* Free the good ones back to the mbuf pool thus discarding
2624 * all the bad ones. */
2625 while (good_mbuf_cnt) {
2626 good_mbuf_cnt--;
2627
2628 val = good_mbuf[good_mbuf_cnt];
2629 val = (val << 9) | val | 1;
2630
Michael Chan2726d6e2008-01-29 21:35:05 -08002631 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002632 }
2633 kfree(good_mbuf);
2634 return 0;
2635}
2636
2637static void
Benjamin Li5fcaed02008-07-14 22:39:52 -07002638bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
Michael Chanb6016b72005-05-26 13:03:09 -07002639{
2640 u32 val;
Michael Chanb6016b72005-05-26 13:03:09 -07002641
2642 val = (mac_addr[0] << 8) | mac_addr[1];
2643
Benjamin Li5fcaed02008-07-14 22:39:52 -07002644 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002645
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002646 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002647 (mac_addr[4] << 8) | mac_addr[5];
2648
Benjamin Li5fcaed02008-07-14 22:39:52 -07002649 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002650}
2651
2652static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002653bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002654{
2655 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002656 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002657 struct rx_bd *rxbd =
Michael Chanbb4f98a2008-06-19 16:38:19 -07002658 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chan47bf4242007-12-12 11:19:12 -08002659 struct page *page = alloc_page(GFP_ATOMIC);
2660
2661 if (!page)
2662 return -ENOMEM;
2663 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2664 PCI_DMA_FROMDEVICE);
Benjamin Li3d16af82008-10-09 12:26:41 -07002665 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2666 __free_page(page);
2667 return -EIO;
2668 }
2669
Michael Chan47bf4242007-12-12 11:19:12 -08002670 rx_pg->page = page;
2671 pci_unmap_addr_set(rx_pg, mapping, mapping);
2672 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2673 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2674 return 0;
2675}
2676
2677static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002678bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002679{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002680 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002681 struct page *page = rx_pg->page;
2682
2683 if (!page)
2684 return;
2685
2686 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2687 PCI_DMA_FROMDEVICE);
2688
2689 __free_page(page);
2690 rx_pg->page = NULL;
2691}
2692
2693static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002694bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chanb6016b72005-05-26 13:03:09 -07002695{
2696 struct sk_buff *skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002697 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002698 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002699 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002700 unsigned long align;
2701
Michael Chan932f3772006-08-15 01:39:36 -07002702 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
Michael Chanb6016b72005-05-26 13:03:09 -07002703 if (skb == NULL) {
2704 return -ENOMEM;
2705 }
2706
Michael Chan59b47d82006-11-19 14:10:45 -08002707 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2708 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002709
Michael Chanb6016b72005-05-26 13:03:09 -07002710 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2711 PCI_DMA_FROMDEVICE);
Benjamin Li3d16af82008-10-09 12:26:41 -07002712 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2713 dev_kfree_skb(skb);
2714 return -EIO;
2715 }
Michael Chanb6016b72005-05-26 13:03:09 -07002716
2717 rx_buf->skb = skb;
2718 pci_unmap_addr_set(rx_buf, mapping, mapping);
2719
2720 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2721 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2722
Michael Chanbb4f98a2008-06-19 16:38:19 -07002723 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002724
2725 return 0;
2726}
2727
Michael Chanda3e4fb2007-05-03 13:24:23 -07002728static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002729bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002730{
Michael Chan43e80b82008-06-19 16:41:08 -07002731 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002732 u32 new_link_state, old_link_state;
2733 int is_set = 1;
2734
2735 new_link_state = sblk->status_attn_bits & event;
2736 old_link_state = sblk->status_attn_bits_ack & event;
2737 if (new_link_state != old_link_state) {
2738 if (new_link_state)
2739 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2740 else
2741 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2742 } else
2743 is_set = 0;
2744
2745 return is_set;
2746}
2747
Michael Chanb6016b72005-05-26 13:03:09 -07002748static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002749bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002750{
Michael Chan74ecc622008-05-02 16:56:16 -07002751 spin_lock(&bp->phy_lock);
2752
2753 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002754 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002755 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002756 bnx2_set_remote_link(bp);
2757
Michael Chan74ecc622008-05-02 16:56:16 -07002758 spin_unlock(&bp->phy_lock);
2759
Michael Chanb6016b72005-05-26 13:03:09 -07002760}
2761
Michael Chanead72702007-12-20 19:55:39 -08002762static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002763bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002764{
2765 u16 cons;
2766
Michael Chan43e80b82008-06-19 16:41:08 -07002767 /* Tell compiler that status block fields can change. */
2768 barrier();
2769 cons = *bnapi->hw_tx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07002770 barrier();
Michael Chanead72702007-12-20 19:55:39 -08002771 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2772 cons++;
2773 return cons;
2774}
2775
Michael Chan57851d82007-12-20 20:01:44 -08002776static int
2777bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002778{
Michael Chan35e90102008-06-19 16:37:42 -07002779 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002780 u16 hw_cons, sw_cons, sw_ring_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002781 int tx_pkt = 0, index;
2782 struct netdev_queue *txq;
2783
2784 index = (bnapi - bp->bnx2_napi);
2785 txq = netdev_get_tx_queue(bp->dev, index);
Michael Chanb6016b72005-05-26 13:03:09 -07002786
Michael Chan35efa7c2007-12-20 19:56:37 -08002787 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002788 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002789
2790 while (sw_cons != hw_cons) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002791 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07002792 struct sk_buff *skb;
2793 int i, last;
2794
2795 sw_ring_cons = TX_RING_IDX(sw_cons);
2796
Michael Chan35e90102008-06-19 16:37:42 -07002797 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002798 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002799
Eric Dumazetd62fda02009-05-12 20:48:02 +00002800 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2801 prefetch(&skb->end);
2802
Michael Chanb6016b72005-05-26 13:03:09 -07002803 /* partial BD completions possible with TSO packets */
Eric Dumazetd62fda02009-05-12 20:48:02 +00002804 if (tx_buf->is_gso) {
Michael Chanb6016b72005-05-26 13:03:09 -07002805 u16 last_idx, last_ring_idx;
2806
Eric Dumazetd62fda02009-05-12 20:48:02 +00002807 last_idx = sw_cons + tx_buf->nr_frags + 1;
2808 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
Michael Chanb6016b72005-05-26 13:03:09 -07002809 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2810 last_idx++;
2811 }
2812 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2813 break;
2814 }
2815 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002816
Alexander Duycke95524a2009-12-02 16:47:57 +00002817 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2818 skb_headlen(skb), PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002819
2820 tx_buf->skb = NULL;
Eric Dumazetd62fda02009-05-12 20:48:02 +00002821 last = tx_buf->nr_frags;
Michael Chanb6016b72005-05-26 13:03:09 -07002822
2823 for (i = 0; i < last; i++) {
2824 sw_cons = NEXT_TX_BD(sw_cons);
Alexander Duycke95524a2009-12-02 16:47:57 +00002825
2826 pci_unmap_page(bp->pdev,
2827 pci_unmap_addr(
2828 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
2829 mapping),
2830 skb_shinfo(skb)->frags[i].size,
2831 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002832 }
2833
2834 sw_cons = NEXT_TX_BD(sw_cons);
2835
Michael Chan745720e2006-06-29 12:37:41 -07002836 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002837 tx_pkt++;
2838 if (tx_pkt == budget)
2839 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002840
Eric Dumazetd62fda02009-05-12 20:48:02 +00002841 if (hw_cons == sw_cons)
2842 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002843 }
2844
Michael Chan35e90102008-06-19 16:37:42 -07002845 txr->hw_tx_cons = hw_cons;
2846 txr->tx_cons = sw_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002847
Michael Chan2f8af122006-08-15 01:39:10 -07002848 /* Need to make the tx_cons update visible to bnx2_start_xmit()
Benjamin Li706bf242008-07-18 17:55:11 -07002849 * before checking for netif_tx_queue_stopped(). Without the
Michael Chan2f8af122006-08-15 01:39:10 -07002850 * memory barrier, there is a small possibility that bnx2_start_xmit()
2851 * will miss it and cause the queue to be stopped forever.
2852 */
2853 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002854
Benjamin Li706bf242008-07-18 17:55:11 -07002855 if (unlikely(netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002856 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Benjamin Li706bf242008-07-18 17:55:11 -07002857 __netif_tx_lock(txq, smp_processor_id());
2858 if ((netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002859 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Benjamin Li706bf242008-07-18 17:55:11 -07002860 netif_tx_wake_queue(txq);
2861 __netif_tx_unlock(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07002862 }
Benjamin Li706bf242008-07-18 17:55:11 -07002863
Michael Chan57851d82007-12-20 20:01:44 -08002864 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002865}
2866
Michael Chan1db82f22007-12-12 11:19:35 -08002867static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002868bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002869 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002870{
2871 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2872 struct rx_bd *cons_bd, *prod_bd;
Michael Chan1db82f22007-12-12 11:19:35 -08002873 int i;
Benjamin Li3d16af82008-10-09 12:26:41 -07002874 u16 hw_prod, prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002875 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002876
Benjamin Li3d16af82008-10-09 12:26:41 -07002877 cons_rx_pg = &rxr->rx_pg_ring[cons];
2878
2879 /* The caller was unable to allocate a new page to replace the
2880 * last one in the frags array, so we need to recycle that page
2881 * and then free the skb.
2882 */
2883 if (skb) {
2884 struct page *page;
2885 struct skb_shared_info *shinfo;
2886
2887 shinfo = skb_shinfo(skb);
2888 shinfo->nr_frags--;
2889 page = shinfo->frags[shinfo->nr_frags].page;
2890 shinfo->frags[shinfo->nr_frags].page = NULL;
2891
2892 cons_rx_pg->page = page;
2893 dev_kfree_skb(skb);
2894 }
2895
2896 hw_prod = rxr->rx_pg_prod;
2897
Michael Chan1db82f22007-12-12 11:19:35 -08002898 for (i = 0; i < count; i++) {
2899 prod = RX_PG_RING_IDX(hw_prod);
2900
Michael Chanbb4f98a2008-06-19 16:38:19 -07002901 prod_rx_pg = &rxr->rx_pg_ring[prod];
2902 cons_rx_pg = &rxr->rx_pg_ring[cons];
2903 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2904 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002905
Michael Chan1db82f22007-12-12 11:19:35 -08002906 if (prod != cons) {
2907 prod_rx_pg->page = cons_rx_pg->page;
2908 cons_rx_pg->page = NULL;
2909 pci_unmap_addr_set(prod_rx_pg, mapping,
2910 pci_unmap_addr(cons_rx_pg, mapping));
2911
2912 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2913 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2914
2915 }
2916 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2917 hw_prod = NEXT_RX_BD(hw_prod);
2918 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002919 rxr->rx_pg_prod = hw_prod;
2920 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002921}
2922
Michael Chanb6016b72005-05-26 13:03:09 -07002923static inline void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002924bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2925 struct sk_buff *skb, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002926{
Michael Chan236b6392006-03-20 17:49:02 -08002927 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2928 struct rx_bd *cons_bd, *prod_bd;
2929
Michael Chanbb4f98a2008-06-19 16:38:19 -07002930 cons_rx_buf = &rxr->rx_buf_ring[cons];
2931 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002932
2933 pci_dma_sync_single_for_device(bp->pdev,
2934 pci_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002935 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002936
Michael Chanbb4f98a2008-06-19 16:38:19 -07002937 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002938
2939 prod_rx_buf->skb = skb;
2940
2941 if (cons == prod)
2942 return;
2943
Michael Chanb6016b72005-05-26 13:03:09 -07002944 pci_unmap_addr_set(prod_rx_buf, mapping,
2945 pci_unmap_addr(cons_rx_buf, mapping));
2946
Michael Chanbb4f98a2008-06-19 16:38:19 -07002947 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2948 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002949 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2950 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002951}
2952
Michael Chan85833c62007-12-12 11:17:01 -08002953static int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002954bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
Michael Chana1f60192007-12-20 19:57:19 -08002955 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2956 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002957{
2958 int err;
2959 u16 prod = ring_idx & 0xffff;
2960
Michael Chanbb4f98a2008-06-19 16:38:19 -07002961 err = bnx2_alloc_rx_skb(bp, rxr, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002962 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002963 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002964 if (hdr_len) {
2965 unsigned int raw_len = len + 4;
2966 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2967
Michael Chanbb4f98a2008-06-19 16:38:19 -07002968 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002969 }
Michael Chan85833c62007-12-12 11:17:01 -08002970 return err;
2971 }
2972
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002973 skb_reserve(skb, BNX2_RX_OFFSET);
Michael Chan85833c62007-12-12 11:17:01 -08002974 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2975 PCI_DMA_FROMDEVICE);
2976
Michael Chan1db82f22007-12-12 11:19:35 -08002977 if (hdr_len == 0) {
2978 skb_put(skb, len);
2979 return 0;
2980 } else {
2981 unsigned int i, frag_len, frag_size, pages;
2982 struct sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002983 u16 pg_cons = rxr->rx_pg_cons;
2984 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002985
2986 frag_size = len + 4 - hdr_len;
2987 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2988 skb_put(skb, hdr_len);
2989
2990 for (i = 0; i < pages; i++) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002991 dma_addr_t mapping_old;
2992
Michael Chan1db82f22007-12-12 11:19:35 -08002993 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2994 if (unlikely(frag_len <= 4)) {
2995 unsigned int tail = 4 - frag_len;
2996
Michael Chanbb4f98a2008-06-19 16:38:19 -07002997 rxr->rx_pg_cons = pg_cons;
2998 rxr->rx_pg_prod = pg_prod;
2999 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08003000 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003001 skb->len -= tail;
3002 if (i == 0) {
3003 skb->tail -= tail;
3004 } else {
3005 skb_frag_t *frag =
3006 &skb_shinfo(skb)->frags[i - 1];
3007 frag->size -= tail;
3008 skb->data_len -= tail;
3009 skb->truesize -= tail;
3010 }
3011 return 0;
3012 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003013 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08003014
Benjamin Li3d16af82008-10-09 12:26:41 -07003015 /* Don't unmap yet. If we're unable to allocate a new
3016 * page, we need to recycle the page and the DMA addr.
3017 */
3018 mapping_old = pci_unmap_addr(rx_pg, mapping);
Michael Chan1db82f22007-12-12 11:19:35 -08003019 if (i == pages - 1)
3020 frag_len -= 4;
3021
3022 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3023 rx_pg->page = NULL;
3024
Michael Chanbb4f98a2008-06-19 16:38:19 -07003025 err = bnx2_alloc_rx_page(bp, rxr,
3026 RX_PG_RING_IDX(pg_prod));
Michael Chan1db82f22007-12-12 11:19:35 -08003027 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003028 rxr->rx_pg_cons = pg_cons;
3029 rxr->rx_pg_prod = pg_prod;
3030 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08003031 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003032 return err;
3033 }
3034
Benjamin Li3d16af82008-10-09 12:26:41 -07003035 pci_unmap_page(bp->pdev, mapping_old,
3036 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3037
Michael Chan1db82f22007-12-12 11:19:35 -08003038 frag_size -= frag_len;
3039 skb->data_len += frag_len;
3040 skb->truesize += frag_len;
3041 skb->len += frag_len;
3042
3043 pg_prod = NEXT_RX_BD(pg_prod);
3044 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
3045 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003046 rxr->rx_pg_prod = pg_prod;
3047 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08003048 }
Michael Chan85833c62007-12-12 11:17:01 -08003049 return 0;
3050}
3051
Michael Chanc09c2622007-12-10 17:18:37 -08003052static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08003053bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08003054{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003055 u16 cons;
3056
Michael Chan43e80b82008-06-19 16:41:08 -07003057 /* Tell compiler that status block fields can change. */
3058 barrier();
3059 cons = *bnapi->hw_rx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07003060 barrier();
Michael Chanc09c2622007-12-10 17:18:37 -08003061 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
3062 cons++;
3063 return cons;
3064}
3065
Michael Chanb6016b72005-05-26 13:03:09 -07003066static int
Michael Chan35efa7c2007-12-20 19:56:37 -08003067bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003068{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003069 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003070 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3071 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08003072 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003073
Michael Chan35efa7c2007-12-20 19:56:37 -08003074 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07003075 sw_cons = rxr->rx_cons;
3076 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003077
3078 /* Memory barrier necessary as speculative reads of the rx
3079 * buffer can be ahead of the index in the status block
3080 */
3081 rmb();
3082 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08003083 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08003084 u32 status;
Michael Chanb6016b72005-05-26 13:03:09 -07003085 struct sw_bd *rx_buf;
3086 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08003087 dma_addr_t dma_addr;
Michael Chanf22828e2008-08-14 15:30:14 -07003088 u16 vtag = 0;
3089 int hw_vlan __maybe_unused = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003090
3091 sw_ring_cons = RX_RING_IDX(sw_cons);
3092 sw_ring_prod = RX_RING_IDX(sw_prod);
3093
Michael Chanbb4f98a2008-06-19 16:38:19 -07003094 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07003095 skb = rx_buf->skb;
Michael Chan236b6392006-03-20 17:49:02 -08003096
3097 rx_buf->skb = NULL;
3098
3099 dma_addr = pci_unmap_addr(rx_buf, mapping);
3100
3101 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07003102 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3103 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07003104
3105 rx_hdr = (struct l2_fhdr *) skb->data;
Michael Chan1db82f22007-12-12 11:19:35 -08003106 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chan990ec382009-02-12 16:54:13 -08003107 status = rx_hdr->l2_fhdr_status;
Michael Chanb6016b72005-05-26 13:03:09 -07003108
Michael Chan1db82f22007-12-12 11:19:35 -08003109 hdr_len = 0;
3110 if (status & L2_FHDR_STATUS_SPLIT) {
3111 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3112 pg_ring_used = 1;
3113 } else if (len > bp->rx_jumbo_thresh) {
3114 hdr_len = bp->rx_jumbo_thresh;
3115 pg_ring_used = 1;
3116 }
3117
Michael Chan990ec382009-02-12 16:54:13 -08003118 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3119 L2_FHDR_ERRORS_PHY_DECODE |
3120 L2_FHDR_ERRORS_ALIGNMENT |
3121 L2_FHDR_ERRORS_TOO_SHORT |
3122 L2_FHDR_ERRORS_GIANT_FRAME))) {
3123
3124 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3125 sw_ring_prod);
3126 if (pg_ring_used) {
3127 int pages;
3128
3129 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3130
3131 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3132 }
3133 goto next_rx;
3134 }
3135
Michael Chan1db82f22007-12-12 11:19:35 -08003136 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003137
Michael Chan5d5d0012007-12-12 11:17:43 -08003138 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07003139 struct sk_buff *new_skb;
3140
Michael Chanf22828e2008-08-14 15:30:14 -07003141 new_skb = netdev_alloc_skb(bp->dev, len + 6);
Michael Chan85833c62007-12-12 11:17:01 -08003142 if (new_skb == NULL) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003143 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08003144 sw_ring_prod);
3145 goto next_rx;
3146 }
Michael Chanb6016b72005-05-26 13:03:09 -07003147
3148 /* aligned copy */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07003149 skb_copy_from_linear_data_offset(skb,
Michael Chanf22828e2008-08-14 15:30:14 -07003150 BNX2_RX_OFFSET - 6,
3151 new_skb->data, len + 6);
3152 skb_reserve(new_skb, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07003153 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07003154
Michael Chanbb4f98a2008-06-19 16:38:19 -07003155 bnx2_reuse_rx_skb(bp, rxr, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07003156 sw_ring_cons, sw_ring_prod);
3157
3158 skb = new_skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07003159 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
Michael Chana1f60192007-12-20 19:57:19 -08003160 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07003161 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07003162
Michael Chanf22828e2008-08-14 15:30:14 -07003163 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
3164 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
3165 vtag = rx_hdr->l2_fhdr_vlan_tag;
3166#ifdef BCM_VLAN
3167 if (bp->vlgrp)
3168 hw_vlan = 1;
3169 else
3170#endif
3171 {
3172 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
3173 __skb_push(skb, 4);
3174
3175 memmove(ve, skb->data + 4, ETH_ALEN * 2);
3176 ve->h_vlan_proto = htons(ETH_P_8021Q);
3177 ve->h_vlan_TCI = htons(vtag);
3178 len += 4;
3179 }
3180 }
3181
Michael Chanb6016b72005-05-26 13:03:09 -07003182 skb->protocol = eth_type_trans(skb, bp->dev);
3183
3184 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07003185 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003186
Michael Chan745720e2006-06-29 12:37:41 -07003187 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003188 goto next_rx;
3189
3190 }
3191
Michael Chanb6016b72005-05-26 13:03:09 -07003192 skb->ip_summed = CHECKSUM_NONE;
3193 if (bp->rx_csum &&
3194 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3195 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3196
Michael Chanade2bfe2006-01-23 16:09:51 -08003197 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3198 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07003199 skb->ip_summed = CHECKSUM_UNNECESSARY;
3200 }
3201
David S. Miller0c8dfc82009-01-27 16:22:32 -08003202 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
3203
Michael Chanb6016b72005-05-26 13:03:09 -07003204#ifdef BCM_VLAN
Michael Chanf22828e2008-08-14 15:30:14 -07003205 if (hw_vlan)
3206 vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
Michael Chanb6016b72005-05-26 13:03:09 -07003207 else
3208#endif
3209 netif_receive_skb(skb);
3210
Michael Chanb6016b72005-05-26 13:03:09 -07003211 rx_pkt++;
3212
3213next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07003214 sw_cons = NEXT_RX_BD(sw_cons);
3215 sw_prod = NEXT_RX_BD(sw_prod);
3216
3217 if ((rx_pkt == budget))
3218 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08003219
3220 /* Refresh hw_cons to see if there is new work */
3221 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003222 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08003223 rmb();
3224 }
Michael Chanb6016b72005-05-26 13:03:09 -07003225 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003226 rxr->rx_cons = sw_cons;
3227 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003228
Michael Chan1db82f22007-12-12 11:19:35 -08003229 if (pg_ring_used)
Michael Chanbb4f98a2008-06-19 16:38:19 -07003230 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08003231
Michael Chanbb4f98a2008-06-19 16:38:19 -07003232 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003233
Michael Chanbb4f98a2008-06-19 16:38:19 -07003234 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07003235
3236 mmiowb();
3237
3238 return rx_pkt;
3239
3240}
3241
3242/* MSI ISR - The only difference between this and the INTx ISR
3243 * is that the MSI interrupt is always serviced.
3244 */
3245static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003246bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003247{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003248 struct bnx2_napi *bnapi = dev_instance;
3249 struct bnx2 *bp = bnapi->bp;
Michael Chanb6016b72005-05-26 13:03:09 -07003250
Michael Chan43e80b82008-06-19 16:41:08 -07003251 prefetch(bnapi->status_blk.msi);
Michael Chanb6016b72005-05-26 13:03:09 -07003252 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3253 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3254 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3255
3256 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003257 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3258 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003259
Ben Hutchings288379f2009-01-19 16:43:59 -08003260 napi_schedule(&bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003261
Michael Chan73eef4c2005-08-25 15:39:15 -07003262 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003263}
3264
3265static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003266bnx2_msi_1shot(int irq, void *dev_instance)
3267{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003268 struct bnx2_napi *bnapi = dev_instance;
3269 struct bnx2 *bp = bnapi->bp;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003270
Michael Chan43e80b82008-06-19 16:41:08 -07003271 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003272
3273 /* Return here if interrupt is disabled. */
3274 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3275 return IRQ_HANDLED;
3276
Ben Hutchings288379f2009-01-19 16:43:59 -08003277 napi_schedule(&bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003278
3279 return IRQ_HANDLED;
3280}
3281
3282static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003283bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003284{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003285 struct bnx2_napi *bnapi = dev_instance;
3286 struct bnx2 *bp = bnapi->bp;
Michael Chan43e80b82008-06-19 16:41:08 -07003287 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003288
3289 /* When using INTx, it is possible for the interrupt to arrive
3290 * at the CPU before the status block posted prior to the
3291 * interrupt. Reading a register will flush the status block.
3292 * When using MSI, the MSI message will always complete after
3293 * the status block write.
3294 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003295 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003296 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3297 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003298 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003299
3300 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3301 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3302 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3303
Michael Chanb8a7ce72007-07-07 22:51:03 -07003304 /* Read back to deassert IRQ immediately to avoid too many
3305 * spurious interrupts.
3306 */
3307 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3308
Michael Chanb6016b72005-05-26 13:03:09 -07003309 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003310 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3311 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003312
Ben Hutchings288379f2009-01-19 16:43:59 -08003313 if (napi_schedule_prep(&bnapi->napi)) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003314 bnapi->last_status_idx = sblk->status_idx;
Ben Hutchings288379f2009-01-19 16:43:59 -08003315 __napi_schedule(&bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003316 }
Michael Chanb6016b72005-05-26 13:03:09 -07003317
Michael Chan73eef4c2005-08-25 15:39:15 -07003318 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003319}
3320
Michael Chan43e80b82008-06-19 16:41:08 -07003321static inline int
3322bnx2_has_fast_work(struct bnx2_napi *bnapi)
3323{
3324 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3325 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3326
3327 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3328 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3329 return 1;
3330 return 0;
3331}
3332
Michael Chan0d8a6572007-07-07 22:49:43 -07003333#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3334 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003335
Michael Chanf4e418f2005-11-04 08:53:48 -08003336static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003337bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003338{
Michael Chan43e80b82008-06-19 16:41:08 -07003339 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003340
Michael Chan43e80b82008-06-19 16:41:08 -07003341 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003342 return 1;
3343
Michael Chan4edd4732009-06-08 18:14:42 -07003344#ifdef BCM_CNIC
3345 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3346 return 1;
3347#endif
3348
Michael Chanda3e4fb2007-05-03 13:24:23 -07003349 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3350 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003351 return 1;
3352
3353 return 0;
3354}
3355
Michael Chanefba0182008-12-03 00:36:15 -08003356static void
3357bnx2_chk_missed_msi(struct bnx2 *bp)
3358{
3359 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3360 u32 msi_ctrl;
3361
3362 if (bnx2_has_work(bnapi)) {
3363 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3364 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3365 return;
3366
3367 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3368 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3369 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3370 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3371 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3372 }
3373 }
3374
3375 bp->idle_chk_status_idx = bnapi->last_status_idx;
3376}
3377
Michael Chan4edd4732009-06-08 18:14:42 -07003378#ifdef BCM_CNIC
3379static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3380{
3381 struct cnic_ops *c_ops;
3382
3383 if (!bnapi->cnic_present)
3384 return;
3385
3386 rcu_read_lock();
3387 c_ops = rcu_dereference(bp->cnic_ops);
3388 if (c_ops)
3389 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3390 bnapi->status_blk.msi);
3391 rcu_read_unlock();
3392}
3393#endif
3394
Michael Chan43e80b82008-06-19 16:41:08 -07003395static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003396{
Michael Chan43e80b82008-06-19 16:41:08 -07003397 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003398 u32 status_attn_bits = sblk->status_attn_bits;
3399 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003400
Michael Chanda3e4fb2007-05-03 13:24:23 -07003401 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3402 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003403
Michael Chan35efa7c2007-12-20 19:56:37 -08003404 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003405
3406 /* This is needed to take care of transient status
3407 * during link changes.
3408 */
3409 REG_WR(bp, BNX2_HC_COMMAND,
3410 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3411 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003412 }
Michael Chan43e80b82008-06-19 16:41:08 -07003413}
3414
3415static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3416 int work_done, int budget)
3417{
3418 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3419 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003420
Michael Chan35e90102008-06-19 16:37:42 -07003421 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003422 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003423
Michael Chanbb4f98a2008-06-19 16:38:19 -07003424 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003425 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003426
David S. Miller6f535762007-10-11 18:08:29 -07003427 return work_done;
3428}
Michael Chanf4e418f2005-11-04 08:53:48 -08003429
Michael Chanf0ea2e62008-06-19 16:41:57 -07003430static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3431{
3432 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3433 struct bnx2 *bp = bnapi->bp;
3434 int work_done = 0;
3435 struct status_block_msix *sblk = bnapi->status_blk.msix;
3436
3437 while (1) {
3438 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3439 if (unlikely(work_done >= budget))
3440 break;
3441
3442 bnapi->last_status_idx = sblk->status_idx;
3443 /* status idx must be read before checking for more work. */
3444 rmb();
3445 if (likely(!bnx2_has_fast_work(bnapi))) {
3446
Ben Hutchings288379f2009-01-19 16:43:59 -08003447 napi_complete(napi);
Michael Chanf0ea2e62008-06-19 16:41:57 -07003448 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3449 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3450 bnapi->last_status_idx);
3451 break;
3452 }
3453 }
3454 return work_done;
3455}
3456
David S. Miller6f535762007-10-11 18:08:29 -07003457static int bnx2_poll(struct napi_struct *napi, int budget)
3458{
Michael Chan35efa7c2007-12-20 19:56:37 -08003459 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3460 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003461 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003462 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003463
3464 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003465 bnx2_poll_link(bp, bnapi);
3466
Michael Chan35efa7c2007-12-20 19:56:37 -08003467 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003468
Michael Chan4edd4732009-06-08 18:14:42 -07003469#ifdef BCM_CNIC
3470 bnx2_poll_cnic(bp, bnapi);
3471#endif
3472
Michael Chan35efa7c2007-12-20 19:56:37 -08003473 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003474 * much work has been processed, so we must read it before
3475 * checking for more work.
3476 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003477 bnapi->last_status_idx = sblk->status_idx;
Michael Chanefba0182008-12-03 00:36:15 -08003478
3479 if (unlikely(work_done >= budget))
3480 break;
3481
Michael Chan6dee6422007-10-12 01:40:38 -07003482 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003483 if (likely(!bnx2_has_work(bnapi))) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003484 napi_complete(napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003485 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003486 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3487 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003488 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003489 break;
David S. Miller6f535762007-10-11 18:08:29 -07003490 }
3491 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3492 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3493 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003494 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003495
Michael Chan1269a8a2006-01-23 16:11:03 -08003496 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3497 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003498 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003499 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003500 }
Michael Chanb6016b72005-05-26 13:03:09 -07003501 }
3502
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003503 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003504}
3505
Herbert Xu932ff272006-06-09 12:20:56 -07003506/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003507 * from set_multicast.
3508 */
3509static void
3510bnx2_set_rx_mode(struct net_device *dev)
3511{
Michael Chan972ec0d2006-01-23 16:12:43 -08003512 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003513 u32 rx_mode, sort_mode;
Jiri Pirkoccffad252009-05-22 23:22:17 +00003514 struct netdev_hw_addr *ha;
Michael Chanb6016b72005-05-26 13:03:09 -07003515 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003516
Michael Chan9f52b562008-10-09 12:21:46 -07003517 if (!netif_running(dev))
3518 return;
3519
Michael Chanc770a652005-08-25 15:38:39 -07003520 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003521
3522 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3523 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3524 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3525#ifdef BCM_VLAN
Michael Chan7c6337a2008-08-14 15:29:09 -07003526 if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Michael Chanb6016b72005-05-26 13:03:09 -07003527 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003528#else
Michael Chan7c6337a2008-08-14 15:29:09 -07003529 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
Michael Chane29054f2006-01-23 16:06:06 -08003530 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003531#endif
3532 if (dev->flags & IFF_PROMISC) {
3533 /* Promiscuous mode. */
3534 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003535 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3536 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003537 }
3538 else if (dev->flags & IFF_ALLMULTI) {
3539 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3540 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3541 0xffffffff);
3542 }
3543 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3544 }
3545 else {
3546 /* Accept one or more multicast(s). */
Michael Chanb6016b72005-05-26 13:03:09 -07003547 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3548 u32 regidx;
3549 u32 bit;
3550 u32 crc;
3551
3552 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3553
Jiri Pirko22bedad2010-04-01 21:22:57 +00003554 netdev_for_each_mc_addr(ha, dev) {
3555 crc = ether_crc_le(ETH_ALEN, ha->addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003556 bit = crc & 0xff;
3557 regidx = (bit & 0xe0) >> 5;
3558 bit &= 0x1f;
3559 mc_filter[regidx] |= (1 << bit);
3560 }
3561
3562 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3563 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3564 mc_filter[i]);
3565 }
3566
3567 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3568 }
3569
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003570 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003571 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3572 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3573 BNX2_RPM_SORT_USER0_PROM_VLAN;
3574 } else if (!(dev->flags & IFF_PROMISC)) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003575 /* Add all entries into to the match filter list */
Jiri Pirkoccffad252009-05-22 23:22:17 +00003576 i = 0;
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003577 netdev_for_each_uc_addr(ha, dev) {
Jiri Pirkoccffad252009-05-22 23:22:17 +00003578 bnx2_set_mac_addr(bp, ha->addr,
Benjamin Li5fcaed02008-07-14 22:39:52 -07003579 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3580 sort_mode |= (1 <<
3581 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
Jiri Pirkoccffad252009-05-22 23:22:17 +00003582 i++;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003583 }
3584
3585 }
3586
Michael Chanb6016b72005-05-26 13:03:09 -07003587 if (rx_mode != bp->rx_mode) {
3588 bp->rx_mode = rx_mode;
3589 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3590 }
3591
3592 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3593 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3594 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3595
Michael Chanc770a652005-08-25 15:38:39 -07003596 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003597}
3598
Michael Chan57579f72009-04-04 16:51:14 -07003599static int __devinit
3600check_fw_section(const struct firmware *fw,
3601 const struct bnx2_fw_file_section *section,
3602 u32 alignment, bool non_empty)
Michael Chanb6016b72005-05-26 13:03:09 -07003603{
Michael Chan57579f72009-04-04 16:51:14 -07003604 u32 offset = be32_to_cpu(section->offset);
3605 u32 len = be32_to_cpu(section->len);
Michael Chanb6016b72005-05-26 13:03:09 -07003606
Michael Chan57579f72009-04-04 16:51:14 -07003607 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3608 return -EINVAL;
3609 if ((non_empty && len == 0) || len > fw->size - offset ||
3610 len & (alignment - 1))
3611 return -EINVAL;
3612 return 0;
3613}
3614
3615static int __devinit
3616check_mips_fw_entry(const struct firmware *fw,
3617 const struct bnx2_mips_fw_file_entry *entry)
3618{
3619 if (check_fw_section(fw, &entry->text, 4, true) ||
3620 check_fw_section(fw, &entry->data, 4, false) ||
3621 check_fw_section(fw, &entry->rodata, 4, false))
3622 return -EINVAL;
3623 return 0;
3624}
3625
3626static int __devinit
3627bnx2_request_firmware(struct bnx2 *bp)
3628{
3629 const char *mips_fw_file, *rv2p_fw_file;
Bastian Blank5ee1c322009-04-08 15:50:07 -07003630 const struct bnx2_mips_fw_file *mips_fw;
3631 const struct bnx2_rv2p_fw_file *rv2p_fw;
Michael Chan57579f72009-04-04 16:51:14 -07003632 int rc;
3633
3634 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3635 mips_fw_file = FW_MIPS_FILE_09;
Michael Chan078b0732009-08-29 00:02:46 -07003636 if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
3637 (CHIP_ID(bp) == CHIP_ID_5709_A1))
3638 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3639 else
3640 rv2p_fw_file = FW_RV2P_FILE_09;
Michael Chan57579f72009-04-04 16:51:14 -07003641 } else {
3642 mips_fw_file = FW_MIPS_FILE_06;
3643 rv2p_fw_file = FW_RV2P_FILE_06;
3644 }
3645
3646 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3647 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003648 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003649 return rc;
3650 }
3651
3652 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3653 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003654 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003655 return rc;
3656 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003657 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3658 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3659 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3660 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3661 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3662 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3663 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3664 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003665 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003666 return -EINVAL;
3667 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003668 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3669 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3670 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003671 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003672 return -EINVAL;
3673 }
3674
3675 return 0;
3676}
3677
3678static u32
3679rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3680{
3681 switch (idx) {
3682 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3683 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3684 rv2p_code |= RV2P_BD_PAGE_SIZE;
3685 break;
3686 }
3687 return rv2p_code;
3688}
3689
3690static int
3691load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3692 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3693{
3694 u32 rv2p_code_len, file_offset;
3695 __be32 *rv2p_code;
3696 int i;
3697 u32 val, cmd, addr;
3698
3699 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3700 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3701
3702 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3703
3704 if (rv2p_proc == RV2P_PROC1) {
3705 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3706 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3707 } else {
3708 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3709 addr = BNX2_RV2P_PROC2_ADDR_CMD;
Michael Chand25be1d2008-05-02 16:57:59 -07003710 }
Michael Chanb6016b72005-05-26 13:03:09 -07003711
3712 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chan57579f72009-04-04 16:51:14 -07003713 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003714 rv2p_code++;
Michael Chan57579f72009-04-04 16:51:14 -07003715 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003716 rv2p_code++;
3717
Michael Chan57579f72009-04-04 16:51:14 -07003718 val = (i / 8) | cmd;
3719 REG_WR(bp, addr, val);
3720 }
3721
3722 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3723 for (i = 0; i < 8; i++) {
3724 u32 loc, code;
3725
3726 loc = be32_to_cpu(fw_entry->fixup[i]);
3727 if (loc && ((loc * 4) < rv2p_code_len)) {
3728 code = be32_to_cpu(*(rv2p_code + loc - 1));
3729 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
3730 code = be32_to_cpu(*(rv2p_code + loc));
3731 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
3732 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
3733
3734 val = (loc / 2) | cmd;
3735 REG_WR(bp, addr, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003736 }
3737 }
3738
3739 /* Reset the processor, un-stall is done later. */
3740 if (rv2p_proc == RV2P_PROC1) {
3741 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3742 }
3743 else {
3744 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3745 }
Michael Chan57579f72009-04-04 16:51:14 -07003746
3747 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003748}
3749
Michael Chanaf3ee512006-11-19 14:09:25 -08003750static int
Michael Chan57579f72009-04-04 16:51:14 -07003751load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3752 const struct bnx2_mips_fw_file_entry *fw_entry)
Michael Chanb6016b72005-05-26 13:03:09 -07003753{
Michael Chan57579f72009-04-04 16:51:14 -07003754 u32 addr, len, file_offset;
3755 __be32 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07003756 u32 offset;
3757 u32 val;
3758
3759 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003760 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003761 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003762 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3763 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003764
3765 /* Load the Text area. */
Michael Chan57579f72009-04-04 16:51:14 -07003766 addr = be32_to_cpu(fw_entry->text.addr);
3767 len = be32_to_cpu(fw_entry->text.len);
3768 file_offset = be32_to_cpu(fw_entry->text.offset);
3769 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3770
3771 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3772 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003773 int j;
3774
Michael Chan57579f72009-04-04 16:51:14 -07003775 for (j = 0; j < (len / 4); j++, offset += 4)
3776 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003777 }
3778
3779 /* Load the Data area. */
Michael Chan57579f72009-04-04 16:51:14 -07003780 addr = be32_to_cpu(fw_entry->data.addr);
3781 len = be32_to_cpu(fw_entry->data.len);
3782 file_offset = be32_to_cpu(fw_entry->data.offset);
3783 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3784
3785 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3786 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003787 int j;
3788
Michael Chan57579f72009-04-04 16:51:14 -07003789 for (j = 0; j < (len / 4); j++, offset += 4)
3790 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003791 }
3792
3793 /* Load the Read-Only area. */
Michael Chan57579f72009-04-04 16:51:14 -07003794 addr = be32_to_cpu(fw_entry->rodata.addr);
3795 len = be32_to_cpu(fw_entry->rodata.len);
3796 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3797 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3798
3799 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3800 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003801 int j;
3802
Michael Chan57579f72009-04-04 16:51:14 -07003803 for (j = 0; j < (len / 4); j++, offset += 4)
3804 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003805 }
3806
3807 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003808 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
Michael Chan57579f72009-04-04 16:51:14 -07003809
3810 val = be32_to_cpu(fw_entry->start_addr);
3811 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003812
3813 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003814 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003815 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003816 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3817 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003818
3819 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003820}
3821
Michael Chanfba9fe92006-06-12 22:21:25 -07003822static int
Michael Chanb6016b72005-05-26 13:03:09 -07003823bnx2_init_cpus(struct bnx2 *bp)
3824{
Michael Chan57579f72009-04-04 16:51:14 -07003825 const struct bnx2_mips_fw_file *mips_fw =
3826 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3827 const struct bnx2_rv2p_fw_file *rv2p_fw =
3828 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3829 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003830
3831 /* Initialize the RV2P processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003832 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3833 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
Michael Chanb6016b72005-05-26 13:03:09 -07003834
3835 /* Initialize the RX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003836 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003837 if (rc)
3838 goto init_cpu_err;
3839
Michael Chanb6016b72005-05-26 13:03:09 -07003840 /* Initialize the TX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003841 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003842 if (rc)
3843 goto init_cpu_err;
3844
Michael Chanb6016b72005-05-26 13:03:09 -07003845 /* Initialize the TX Patch-up Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003846 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
Michael Chanfba9fe92006-06-12 22:21:25 -07003847 if (rc)
3848 goto init_cpu_err;
3849
Michael Chanb6016b72005-05-26 13:03:09 -07003850 /* Initialize the Completion Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003851 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
Michael Chanfba9fe92006-06-12 22:21:25 -07003852 if (rc)
3853 goto init_cpu_err;
3854
Michael Chand43584c2006-11-19 14:14:35 -08003855 /* Initialize the Command Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003856 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
Michael Chan110d0ef2007-12-12 11:18:34 -08003857
Michael Chanfba9fe92006-06-12 22:21:25 -07003858init_cpu_err:
Michael Chanfba9fe92006-06-12 22:21:25 -07003859 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003860}
3861
3862static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003863bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003864{
3865 u16 pmcsr;
3866
3867 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3868
3869 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003870 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003871 u32 val;
3872
3873 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3874 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3875 PCI_PM_CTRL_PME_STATUS);
3876
3877 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3878 /* delay required during transition out of D3hot */
3879 msleep(20);
3880
3881 val = REG_RD(bp, BNX2_EMAC_MODE);
3882 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3883 val &= ~BNX2_EMAC_MODE_MPKT;
3884 REG_WR(bp, BNX2_EMAC_MODE, val);
3885
3886 val = REG_RD(bp, BNX2_RPM_CONFIG);
3887 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3888 REG_WR(bp, BNX2_RPM_CONFIG, val);
3889 break;
3890 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003891 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003892 int i;
3893 u32 val, wol_msg;
3894
3895 if (bp->wol) {
3896 u32 advertising;
3897 u8 autoneg;
3898
3899 autoneg = bp->autoneg;
3900 advertising = bp->advertising;
3901
Michael Chan239cd342007-10-17 19:26:15 -07003902 if (bp->phy_port == PORT_TP) {
3903 bp->autoneg = AUTONEG_SPEED;
3904 bp->advertising = ADVERTISED_10baseT_Half |
3905 ADVERTISED_10baseT_Full |
3906 ADVERTISED_100baseT_Half |
3907 ADVERTISED_100baseT_Full |
3908 ADVERTISED_Autoneg;
3909 }
Michael Chanb6016b72005-05-26 13:03:09 -07003910
Michael Chan239cd342007-10-17 19:26:15 -07003911 spin_lock_bh(&bp->phy_lock);
3912 bnx2_setup_phy(bp, bp->phy_port);
3913 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003914
3915 bp->autoneg = autoneg;
3916 bp->advertising = advertising;
3917
Benjamin Li5fcaed02008-07-14 22:39:52 -07003918 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003919
3920 val = REG_RD(bp, BNX2_EMAC_MODE);
3921
3922 /* Enable port mode. */
3923 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003924 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003925 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003926 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003927 if (bp->phy_port == PORT_TP)
3928 val |= BNX2_EMAC_MODE_PORT_MII;
3929 else {
3930 val |= BNX2_EMAC_MODE_PORT_GMII;
3931 if (bp->line_speed == SPEED_2500)
3932 val |= BNX2_EMAC_MODE_25G_MODE;
3933 }
Michael Chanb6016b72005-05-26 13:03:09 -07003934
3935 REG_WR(bp, BNX2_EMAC_MODE, val);
3936
3937 /* receive all multicast */
3938 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3939 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3940 0xffffffff);
3941 }
3942 REG_WR(bp, BNX2_EMAC_RX_MODE,
3943 BNX2_EMAC_RX_MODE_SORT_MODE);
3944
3945 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3946 BNX2_RPM_SORT_USER0_MC_EN;
3947 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3948 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3949 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3950 BNX2_RPM_SORT_USER0_ENA);
3951
3952 /* Need to enable EMAC and RPM for WOL. */
3953 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3954 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3955 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3956 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3957
3958 val = REG_RD(bp, BNX2_RPM_CONFIG);
3959 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3960 REG_WR(bp, BNX2_RPM_CONFIG, val);
3961
3962 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3963 }
3964 else {
3965 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3966 }
3967
David S. Millerf86e82f2008-01-21 17:15:40 -08003968 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chana2f13892008-07-14 22:38:23 -07003969 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3970 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003971
3972 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3973 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3974 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3975
3976 if (bp->wol)
3977 pmcsr |= 3;
3978 }
3979 else {
3980 pmcsr |= 3;
3981 }
3982 if (bp->wol) {
3983 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3984 }
3985 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3986 pmcsr);
3987
3988 /* No more memory access after this point until
3989 * device is brought back to D0.
3990 */
3991 udelay(50);
3992 break;
3993 }
3994 default:
3995 return -EINVAL;
3996 }
3997 return 0;
3998}
3999
4000static int
4001bnx2_acquire_nvram_lock(struct bnx2 *bp)
4002{
4003 u32 val;
4004 int j;
4005
4006 /* Request access to the flash interface. */
4007 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
4008 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4009 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4010 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4011 break;
4012
4013 udelay(5);
4014 }
4015
4016 if (j >= NVRAM_TIMEOUT_COUNT)
4017 return -EBUSY;
4018
4019 return 0;
4020}
4021
4022static int
4023bnx2_release_nvram_lock(struct bnx2 *bp)
4024{
4025 int j;
4026 u32 val;
4027
4028 /* Relinquish nvram interface. */
4029 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
4030
4031 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4032 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4033 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4034 break;
4035
4036 udelay(5);
4037 }
4038
4039 if (j >= NVRAM_TIMEOUT_COUNT)
4040 return -EBUSY;
4041
4042 return 0;
4043}
4044
4045
4046static int
4047bnx2_enable_nvram_write(struct bnx2 *bp)
4048{
4049 u32 val;
4050
4051 val = REG_RD(bp, BNX2_MISC_CFG);
4052 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
4053
Michael Chane30372c2007-07-16 18:26:23 -07004054 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07004055 int j;
4056
4057 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4058 REG_WR(bp, BNX2_NVM_COMMAND,
4059 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
4060
4061 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4062 udelay(5);
4063
4064 val = REG_RD(bp, BNX2_NVM_COMMAND);
4065 if (val & BNX2_NVM_COMMAND_DONE)
4066 break;
4067 }
4068
4069 if (j >= NVRAM_TIMEOUT_COUNT)
4070 return -EBUSY;
4071 }
4072 return 0;
4073}
4074
4075static void
4076bnx2_disable_nvram_write(struct bnx2 *bp)
4077{
4078 u32 val;
4079
4080 val = REG_RD(bp, BNX2_MISC_CFG);
4081 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
4082}
4083
4084
4085static void
4086bnx2_enable_nvram_access(struct bnx2 *bp)
4087{
4088 u32 val;
4089
4090 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4091 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004092 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004093 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
4094}
4095
4096static void
4097bnx2_disable_nvram_access(struct bnx2 *bp)
4098{
4099 u32 val;
4100
4101 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4102 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004103 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004104 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4105 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4106}
4107
4108static int
4109bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4110{
4111 u32 cmd;
4112 int j;
4113
Michael Chane30372c2007-07-16 18:26:23 -07004114 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07004115 /* Buffered flash, no erase needed */
4116 return 0;
4117
4118 /* Build an erase command */
4119 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4120 BNX2_NVM_COMMAND_DOIT;
4121
4122 /* Need to clear DONE bit separately. */
4123 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4124
4125 /* Address of the NVRAM to read from. */
4126 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4127
4128 /* Issue an erase command. */
4129 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4130
4131 /* Wait for completion. */
4132 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4133 u32 val;
4134
4135 udelay(5);
4136
4137 val = REG_RD(bp, BNX2_NVM_COMMAND);
4138 if (val & BNX2_NVM_COMMAND_DONE)
4139 break;
4140 }
4141
4142 if (j >= NVRAM_TIMEOUT_COUNT)
4143 return -EBUSY;
4144
4145 return 0;
4146}
4147
4148static int
4149bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4150{
4151 u32 cmd;
4152 int j;
4153
4154 /* Build the command word. */
4155 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4156
Michael Chane30372c2007-07-16 18:26:23 -07004157 /* Calculate an offset of a buffered flash, not needed for 5709. */
4158 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004159 offset = ((offset / bp->flash_info->page_size) <<
4160 bp->flash_info->page_bits) +
4161 (offset % bp->flash_info->page_size);
4162 }
4163
4164 /* Need to clear DONE bit separately. */
4165 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4166
4167 /* Address of the NVRAM to read from. */
4168 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4169
4170 /* Issue a read command. */
4171 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4172
4173 /* Wait for completion. */
4174 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4175 u32 val;
4176
4177 udelay(5);
4178
4179 val = REG_RD(bp, BNX2_NVM_COMMAND);
4180 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00004181 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
4182 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004183 break;
4184 }
4185 }
4186 if (j >= NVRAM_TIMEOUT_COUNT)
4187 return -EBUSY;
4188
4189 return 0;
4190}
4191
4192
4193static int
4194bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4195{
Al Virob491edd2007-12-22 19:44:51 +00004196 u32 cmd;
4197 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07004198 int j;
4199
4200 /* Build the command word. */
4201 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4202
Michael Chane30372c2007-07-16 18:26:23 -07004203 /* Calculate an offset of a buffered flash, not needed for 5709. */
4204 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004205 offset = ((offset / bp->flash_info->page_size) <<
4206 bp->flash_info->page_bits) +
4207 (offset % bp->flash_info->page_size);
4208 }
4209
4210 /* Need to clear DONE bit separately. */
4211 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4212
4213 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004214
4215 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00004216 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07004217
4218 /* Address of the NVRAM to write to. */
4219 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4220
4221 /* Issue the write command. */
4222 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4223
4224 /* Wait for completion. */
4225 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4226 udelay(5);
4227
4228 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
4229 break;
4230 }
4231 if (j >= NVRAM_TIMEOUT_COUNT)
4232 return -EBUSY;
4233
4234 return 0;
4235}
4236
4237static int
4238bnx2_init_nvram(struct bnx2 *bp)
4239{
4240 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07004241 int j, entry_count, rc = 0;
Michael Chan0ced9d02009-08-21 16:20:49 +00004242 const struct flash_spec *flash;
Michael Chanb6016b72005-05-26 13:03:09 -07004243
Michael Chane30372c2007-07-16 18:26:23 -07004244 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4245 bp->flash_info = &flash_5709;
4246 goto get_flash_size;
4247 }
4248
Michael Chanb6016b72005-05-26 13:03:09 -07004249 /* Determine the selected interface. */
4250 val = REG_RD(bp, BNX2_NVM_CFG1);
4251
Denis Chengff8ac602007-09-02 18:30:18 +08004252 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07004253
Michael Chanb6016b72005-05-26 13:03:09 -07004254 if (val & 0x40000000) {
4255
4256 /* Flash interface has been reconfigured */
4257 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08004258 j++, flash++) {
4259 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4260 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004261 bp->flash_info = flash;
4262 break;
4263 }
4264 }
4265 }
4266 else {
Michael Chan37137702005-11-04 08:49:17 -08004267 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07004268 /* Not yet been reconfigured */
4269
Michael Chan37137702005-11-04 08:49:17 -08004270 if (val & (1 << 23))
4271 mask = FLASH_BACKUP_STRAP_MASK;
4272 else
4273 mask = FLASH_STRAP_MASK;
4274
Michael Chanb6016b72005-05-26 13:03:09 -07004275 for (j = 0, flash = &flash_table[0]; j < entry_count;
4276 j++, flash++) {
4277
Michael Chan37137702005-11-04 08:49:17 -08004278 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004279 bp->flash_info = flash;
4280
4281 /* Request access to the flash interface. */
4282 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4283 return rc;
4284
4285 /* Enable access to flash interface */
4286 bnx2_enable_nvram_access(bp);
4287
4288 /* Reconfigure the flash interface */
4289 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4290 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4291 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4292 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4293
4294 /* Disable access to flash interface */
4295 bnx2_disable_nvram_access(bp);
4296 bnx2_release_nvram_lock(bp);
4297
4298 break;
4299 }
4300 }
4301 } /* if (val & 0x40000000) */
4302
4303 if (j == entry_count) {
4304 bp->flash_info = NULL;
Joe Perches3a9c6a42010-02-17 15:01:51 +00004305 pr_alert("Unknown flash/EEPROM type\n");
Michael Chan1122db72006-01-23 16:11:42 -08004306 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07004307 }
4308
Michael Chane30372c2007-07-16 18:26:23 -07004309get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08004310 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08004311 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4312 if (val)
4313 bp->flash_size = val;
4314 else
4315 bp->flash_size = bp->flash_info->total_size;
4316
Michael Chanb6016b72005-05-26 13:03:09 -07004317 return rc;
4318}
4319
4320static int
4321bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4322 int buf_size)
4323{
4324 int rc = 0;
4325 u32 cmd_flags, offset32, len32, extra;
4326
4327 if (buf_size == 0)
4328 return 0;
4329
4330 /* Request access to the flash interface. */
4331 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4332 return rc;
4333
4334 /* Enable access to flash interface */
4335 bnx2_enable_nvram_access(bp);
4336
4337 len32 = buf_size;
4338 offset32 = offset;
4339 extra = 0;
4340
4341 cmd_flags = 0;
4342
4343 if (offset32 & 3) {
4344 u8 buf[4];
4345 u32 pre_len;
4346
4347 offset32 &= ~3;
4348 pre_len = 4 - (offset & 3);
4349
4350 if (pre_len >= len32) {
4351 pre_len = len32;
4352 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4353 BNX2_NVM_COMMAND_LAST;
4354 }
4355 else {
4356 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4357 }
4358
4359 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4360
4361 if (rc)
4362 return rc;
4363
4364 memcpy(ret_buf, buf + (offset & 3), pre_len);
4365
4366 offset32 += 4;
4367 ret_buf += pre_len;
4368 len32 -= pre_len;
4369 }
4370 if (len32 & 3) {
4371 extra = 4 - (len32 & 3);
4372 len32 = (len32 + 4) & ~3;
4373 }
4374
4375 if (len32 == 4) {
4376 u8 buf[4];
4377
4378 if (cmd_flags)
4379 cmd_flags = BNX2_NVM_COMMAND_LAST;
4380 else
4381 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4382 BNX2_NVM_COMMAND_LAST;
4383
4384 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4385
4386 memcpy(ret_buf, buf, 4 - extra);
4387 }
4388 else if (len32 > 0) {
4389 u8 buf[4];
4390
4391 /* Read the first word. */
4392 if (cmd_flags)
4393 cmd_flags = 0;
4394 else
4395 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4396
4397 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4398
4399 /* Advance to the next dword. */
4400 offset32 += 4;
4401 ret_buf += 4;
4402 len32 -= 4;
4403
4404 while (len32 > 4 && rc == 0) {
4405 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4406
4407 /* Advance to the next dword. */
4408 offset32 += 4;
4409 ret_buf += 4;
4410 len32 -= 4;
4411 }
4412
4413 if (rc)
4414 return rc;
4415
4416 cmd_flags = BNX2_NVM_COMMAND_LAST;
4417 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4418
4419 memcpy(ret_buf, buf, 4 - extra);
4420 }
4421
4422 /* Disable access to flash interface */
4423 bnx2_disable_nvram_access(bp);
4424
4425 bnx2_release_nvram_lock(bp);
4426
4427 return rc;
4428}
4429
4430static int
4431bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4432 int buf_size)
4433{
4434 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004435 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004436 int rc = 0;
4437 int align_start, align_end;
4438
4439 buf = data_buf;
4440 offset32 = offset;
4441 len32 = buf_size;
4442 align_start = align_end = 0;
4443
4444 if ((align_start = (offset32 & 3))) {
4445 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004446 len32 += align_start;
4447 if (len32 < 4)
4448 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004449 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4450 return rc;
4451 }
4452
4453 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004454 align_end = 4 - (len32 & 3);
4455 len32 += align_end;
4456 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4457 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004458 }
4459
4460 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004461 align_buf = kmalloc(len32, GFP_KERNEL);
4462 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004463 return -ENOMEM;
4464 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004465 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004466 }
4467 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004468 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004469 }
Michael Chane6be7632007-01-08 19:56:13 -08004470 memcpy(align_buf + align_start, data_buf, buf_size);
4471 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004472 }
4473
Michael Chane30372c2007-07-16 18:26:23 -07004474 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004475 flash_buffer = kmalloc(264, GFP_KERNEL);
4476 if (flash_buffer == NULL) {
4477 rc = -ENOMEM;
4478 goto nvram_write_end;
4479 }
4480 }
4481
Michael Chanb6016b72005-05-26 13:03:09 -07004482 written = 0;
4483 while ((written < len32) && (rc == 0)) {
4484 u32 page_start, page_end, data_start, data_end;
4485 u32 addr, cmd_flags;
4486 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004487
4488 /* Find the page_start addr */
4489 page_start = offset32 + written;
4490 page_start -= (page_start % bp->flash_info->page_size);
4491 /* Find the page_end addr */
4492 page_end = page_start + bp->flash_info->page_size;
4493 /* Find the data_start addr */
4494 data_start = (written == 0) ? offset32 : page_start;
4495 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004496 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004497 (offset32 + len32) : page_end;
4498
4499 /* Request access to the flash interface. */
4500 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4501 goto nvram_write_end;
4502
4503 /* Enable access to flash interface */
4504 bnx2_enable_nvram_access(bp);
4505
4506 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004507 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004508 int j;
4509
4510 /* Read the whole page into the buffer
4511 * (non-buffer flash only) */
4512 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4513 if (j == (bp->flash_info->page_size - 4)) {
4514 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4515 }
4516 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004517 page_start + j,
4518 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004519 cmd_flags);
4520
4521 if (rc)
4522 goto nvram_write_end;
4523
4524 cmd_flags = 0;
4525 }
4526 }
4527
4528 /* Enable writes to flash interface (unlock write-protect) */
4529 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4530 goto nvram_write_end;
4531
Michael Chanb6016b72005-05-26 13:03:09 -07004532 /* Loop to write back the buffer data from page_start to
4533 * data_start */
4534 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004535 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004536 /* Erase the page */
4537 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4538 goto nvram_write_end;
4539
4540 /* Re-enable the write again for the actual write */
4541 bnx2_enable_nvram_write(bp);
4542
Michael Chanb6016b72005-05-26 13:03:09 -07004543 for (addr = page_start; addr < data_start;
4544 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004545
Michael Chanb6016b72005-05-26 13:03:09 -07004546 rc = bnx2_nvram_write_dword(bp, addr,
4547 &flash_buffer[i], cmd_flags);
4548
4549 if (rc != 0)
4550 goto nvram_write_end;
4551
4552 cmd_flags = 0;
4553 }
4554 }
4555
4556 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004557 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004558 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004559 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004560 (addr == data_end - 4))) {
4561
4562 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4563 }
4564 rc = bnx2_nvram_write_dword(bp, addr, buf,
4565 cmd_flags);
4566
4567 if (rc != 0)
4568 goto nvram_write_end;
4569
4570 cmd_flags = 0;
4571 buf += 4;
4572 }
4573
4574 /* Loop to write back the buffer data from data_end
4575 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004576 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004577 for (addr = data_end; addr < page_end;
4578 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004579
Michael Chanb6016b72005-05-26 13:03:09 -07004580 if (addr == page_end-4) {
4581 cmd_flags = BNX2_NVM_COMMAND_LAST;
4582 }
4583 rc = bnx2_nvram_write_dword(bp, addr,
4584 &flash_buffer[i], cmd_flags);
4585
4586 if (rc != 0)
4587 goto nvram_write_end;
4588
4589 cmd_flags = 0;
4590 }
4591 }
4592
4593 /* Disable writes to flash interface (lock write-protect) */
4594 bnx2_disable_nvram_write(bp);
4595
4596 /* Disable access to flash interface */
4597 bnx2_disable_nvram_access(bp);
4598 bnx2_release_nvram_lock(bp);
4599
4600 /* Increment written */
4601 written += data_end - data_start;
4602 }
4603
4604nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004605 kfree(flash_buffer);
4606 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004607 return rc;
4608}
4609
Michael Chan0d8a6572007-07-07 22:49:43 -07004610static void
Michael Chan7c62e832008-07-14 22:39:03 -07004611bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004612{
Michael Chan7c62e832008-07-14 22:39:03 -07004613 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004614
Michael Chan583c28e2008-01-21 19:51:35 -08004615 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004616 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4617
4618 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4619 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004620
Michael Chan2726d6e2008-01-29 21:35:05 -08004621 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004622 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4623 return;
4624
Michael Chan7c62e832008-07-14 22:39:03 -07004625 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4626 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4627 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4628 }
4629
4630 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4631 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4632 u32 link;
4633
Michael Chan583c28e2008-01-21 19:51:35 -08004634 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004635
Michael Chan7c62e832008-07-14 22:39:03 -07004636 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4637 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004638 bp->phy_port = PORT_FIBRE;
4639 else
4640 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004641
Michael Chan7c62e832008-07-14 22:39:03 -07004642 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4643 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004644 }
Michael Chan7c62e832008-07-14 22:39:03 -07004645
4646 if (netif_running(bp->dev) && sig)
4647 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004648}
4649
Michael Chanb4b36042007-12-20 19:59:30 -08004650static void
4651bnx2_setup_msix_tbl(struct bnx2 *bp)
4652{
4653 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4654
4655 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4656 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4657}
4658
Michael Chanb6016b72005-05-26 13:03:09 -07004659static int
4660bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4661{
4662 u32 val;
4663 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004664 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004665
4666 /* Wait for the current PCI transaction to complete before
4667 * issuing a reset. */
4668 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4669 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4670 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4671 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4672 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4673 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4674 udelay(5);
4675
Michael Chanb090ae22006-01-23 16:07:10 -08004676 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004677 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004678
Michael Chanb6016b72005-05-26 13:03:09 -07004679 /* Deposit a driver reset signature so the firmware knows that
4680 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004681 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4682 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004683
Michael Chanb6016b72005-05-26 13:03:09 -07004684 /* Do a dummy read to force the chip to complete all current transaction
4685 * before we issue a reset. */
4686 val = REG_RD(bp, BNX2_MISC_ID);
4687
Michael Chan234754d2006-11-19 14:11:41 -08004688 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4689 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4690 REG_RD(bp, BNX2_MISC_COMMAND);
4691 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004692
Michael Chan234754d2006-11-19 14:11:41 -08004693 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4694 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004695
Michael Chan234754d2006-11-19 14:11:41 -08004696 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004697
Michael Chan234754d2006-11-19 14:11:41 -08004698 } else {
4699 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4700 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4701 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4702
4703 /* Chip reset. */
4704 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4705
Michael Chan594a9df2007-08-28 15:39:42 -07004706 /* Reading back any register after chip reset will hang the
4707 * bus on 5706 A0 and A1. The msleep below provides plenty
4708 * of margin for write posting.
4709 */
Michael Chan234754d2006-11-19 14:11:41 -08004710 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004711 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4712 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004713
Michael Chan234754d2006-11-19 14:11:41 -08004714 /* Reset takes approximate 30 usec */
4715 for (i = 0; i < 10; i++) {
4716 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4717 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4718 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4719 break;
4720 udelay(10);
4721 }
4722
4723 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4724 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004725 pr_err("Chip reset did not complete\n");
Michael Chan234754d2006-11-19 14:11:41 -08004726 return -EBUSY;
4727 }
Michael Chanb6016b72005-05-26 13:03:09 -07004728 }
4729
4730 /* Make sure byte swapping is properly configured. */
4731 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4732 if (val != 0x01020304) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004733 pr_err("Chip not in correct endian mode\n");
Michael Chanb6016b72005-05-26 13:03:09 -07004734 return -ENODEV;
4735 }
4736
Michael Chanb6016b72005-05-26 13:03:09 -07004737 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004738 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004739 if (rc)
4740 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004741
Michael Chan0d8a6572007-07-07 22:49:43 -07004742 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004743 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004744 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004745 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4746 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004747 bnx2_set_default_remote_link(bp);
4748 spin_unlock_bh(&bp->phy_lock);
4749
Michael Chanb6016b72005-05-26 13:03:09 -07004750 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4751 /* Adjust the voltage regular to two steps lower. The default
4752 * of this register is 0x0000000e. */
4753 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4754
4755 /* Remove bad rbuf memory from the free pool. */
4756 rc = bnx2_alloc_bad_rbuf(bp);
4757 }
4758
David S. Millerf86e82f2008-01-21 17:15:40 -08004759 if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08004760 bnx2_setup_msix_tbl(bp);
4761
Michael Chanb6016b72005-05-26 13:03:09 -07004762 return rc;
4763}
4764
4765static int
4766bnx2_init_chip(struct bnx2 *bp)
4767{
Michael Chand8026d92008-11-12 16:02:20 -08004768 u32 val, mtu;
Michael Chanb4b36042007-12-20 19:59:30 -08004769 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004770
4771 /* Make sure the interrupt is not active. */
4772 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4773
4774 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4775 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4776#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004777 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004778#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004779 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004780 DMA_READ_CHANS << 12 |
4781 DMA_WRITE_CHANS << 16;
4782
4783 val |= (0x2 << 20) | (1 << 11);
4784
David S. Millerf86e82f2008-01-21 17:15:40 -08004785 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004786 val |= (1 << 23);
4787
4788 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004789 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004790 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4791
4792 REG_WR(bp, BNX2_DMA_CONFIG, val);
4793
4794 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4795 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4796 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4797 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4798 }
4799
David S. Millerf86e82f2008-01-21 17:15:40 -08004800 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004801 u16 val16;
4802
4803 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4804 &val16);
4805 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4806 val16 & ~PCI_X_CMD_ERO);
4807 }
4808
4809 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4810 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4811 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4812 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4813
4814 /* Initialize context mapping and zero out the quick contexts. The
4815 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004816 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4817 rc = bnx2_init_5709_context(bp);
4818 if (rc)
4819 return rc;
4820 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004821 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004822
Michael Chanfba9fe92006-06-12 22:21:25 -07004823 if ((rc = bnx2_init_cpus(bp)) != 0)
4824 return rc;
4825
Michael Chanb6016b72005-05-26 13:03:09 -07004826 bnx2_init_nvram(bp);
4827
Benjamin Li5fcaed02008-07-14 22:39:52 -07004828 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004829
4830 val = REG_RD(bp, BNX2_MQ_CONFIG);
4831 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4832 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan4edd4732009-06-08 18:14:42 -07004833 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4834 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4835 if (CHIP_REV(bp) == CHIP_REV_Ax)
4836 val |= BNX2_MQ_CONFIG_HALT_DIS;
4837 }
Michael Chan68c9f752007-04-24 15:35:53 -07004838
Michael Chanb6016b72005-05-26 13:03:09 -07004839 REG_WR(bp, BNX2_MQ_CONFIG, val);
4840
4841 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4842 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4843 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4844
4845 val = (BCM_PAGE_BITS - 8) << 24;
4846 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4847
4848 /* Configure page size. */
4849 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4850 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4851 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4852 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4853
4854 val = bp->mac_addr[0] +
4855 (bp->mac_addr[1] << 8) +
4856 (bp->mac_addr[2] << 16) +
4857 bp->mac_addr[3] +
4858 (bp->mac_addr[4] << 8) +
4859 (bp->mac_addr[5] << 16);
4860 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4861
4862 /* Program the MTU. Also include 4 bytes for CRC32. */
Michael Chand8026d92008-11-12 16:02:20 -08004863 mtu = bp->dev->mtu;
4864 val = mtu + ETH_HLEN + ETH_FCS_LEN;
Michael Chanb6016b72005-05-26 13:03:09 -07004865 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4866 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4867 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4868
Michael Chand8026d92008-11-12 16:02:20 -08004869 if (mtu < 1500)
4870 mtu = 1500;
4871
4872 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4873 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4874 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4875
Michael Chan155d5562009-08-21 16:20:43 +00004876 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
Michael Chanb4b36042007-12-20 19:59:30 -08004877 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4878 bp->bnx2_napi[i].last_status_idx = 0;
4879
Michael Chanefba0182008-12-03 00:36:15 -08004880 bp->idle_chk_status_idx = 0xffff;
4881
Michael Chanb6016b72005-05-26 13:03:09 -07004882 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4883
4884 /* Set up how to generate a link change interrupt. */
4885 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4886
4887 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4888 (u64) bp->status_blk_mapping & 0xffffffff);
4889 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4890
4891 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4892 (u64) bp->stats_blk_mapping & 0xffffffff);
4893 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4894 (u64) bp->stats_blk_mapping >> 32);
4895
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004896 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004897 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4898
4899 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4900 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4901
4902 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4903 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4904
4905 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4906
4907 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4908
4909 REG_WR(bp, BNX2_HC_COM_TICKS,
4910 (bp->com_ticks_int << 16) | bp->com_ticks);
4911
4912 REG_WR(bp, BNX2_HC_CMD_TICKS,
4913 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4914
Michael Chan61d9e3f2009-08-21 16:20:46 +00004915 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
Michael Chan02537b062007-06-04 21:24:07 -07004916 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4917 else
Michael Chan7ea69202007-07-16 18:27:10 -07004918 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004919 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4920
4921 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004922 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004923 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004924 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4925 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004926 }
4927
Michael Chanefde73a2010-02-15 19:42:07 +00004928 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanc76c0472007-12-20 20:01:19 -08004929 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4930 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4931
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004932 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4933 }
4934
4935 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chancf7474a2009-08-21 16:20:48 +00004936 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004937
4938 REG_WR(bp, BNX2_HC_CONFIG, val);
4939
4940 for (i = 1; i < bp->irq_nvecs; i++) {
4941 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4942 BNX2_HC_SB_CONFIG_1;
4943
Michael Chan6f743ca2008-01-29 21:34:08 -08004944 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004945 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004946 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08004947 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4948
Michael Chan6f743ca2008-01-29 21:34:08 -08004949 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004950 (bp->tx_quick_cons_trip_int << 16) |
4951 bp->tx_quick_cons_trip);
4952
Michael Chan6f743ca2008-01-29 21:34:08 -08004953 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004954 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4955
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004956 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4957 (bp->rx_quick_cons_trip_int << 16) |
4958 bp->rx_quick_cons_trip);
4959
4960 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4961 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08004962 }
4963
Michael Chanb6016b72005-05-26 13:03:09 -07004964 /* Clear internal stats counters. */
4965 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4966
Michael Chanda3e4fb2007-05-03 13:24:23 -07004967 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004968
4969 /* Initialize the receive filter. */
4970 bnx2_set_rx_mode(bp->dev);
4971
Michael Chan0aa38df2007-06-04 21:23:06 -07004972 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4973 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4974 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4975 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4976 }
Michael Chanb090ae22006-01-23 16:07:10 -08004977 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07004978 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004979
Michael Chandf149d72007-07-07 22:51:36 -07004980 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004981 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4982
4983 udelay(20);
4984
Michael Chanbf5295b2006-03-23 01:11:56 -08004985 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4986
Michael Chanb090ae22006-01-23 16:07:10 -08004987 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004988}
4989
Michael Chan59b47d82006-11-19 14:10:45 -08004990static void
Michael Chanc76c0472007-12-20 20:01:19 -08004991bnx2_clear_ring_states(struct bnx2 *bp)
4992{
4993 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07004994 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004995 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08004996 int i;
4997
4998 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4999 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07005000 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005001 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005002
Michael Chan35e90102008-06-19 16:37:42 -07005003 txr->tx_cons = 0;
5004 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005005 rxr->rx_prod_bseq = 0;
5006 rxr->rx_prod = 0;
5007 rxr->rx_cons = 0;
5008 rxr->rx_pg_prod = 0;
5009 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08005010 }
5011}
5012
5013static void
Michael Chan35e90102008-06-19 16:37:42 -07005014bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08005015{
5016 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08005017 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08005018
5019 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5020 offset0 = BNX2_L2CTX_TYPE_XI;
5021 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5022 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5023 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5024 } else {
5025 offset0 = BNX2_L2CTX_TYPE;
5026 offset1 = BNX2_L2CTX_CMD_TYPE;
5027 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5028 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5029 }
5030 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08005031 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005032
5033 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08005034 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005035
Michael Chan35e90102008-06-19 16:37:42 -07005036 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005037 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005038
Michael Chan35e90102008-06-19 16:37:42 -07005039 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005040 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005041}
Michael Chanb6016b72005-05-26 13:03:09 -07005042
5043static void
Michael Chan35e90102008-06-19 16:37:42 -07005044bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07005045{
5046 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08005047 u32 cid = TX_CID;
5048 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005049 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08005050
Michael Chan35e90102008-06-19 16:37:42 -07005051 bnapi = &bp->bnx2_napi[ring_num];
5052 txr = &bnapi->tx_ring;
5053
5054 if (ring_num == 0)
5055 cid = TX_CID;
5056 else
5057 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005058
Michael Chan2f8af122006-08-15 01:39:10 -07005059 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5060
Michael Chan35e90102008-06-19 16:37:42 -07005061 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005062
Michael Chan35e90102008-06-19 16:37:42 -07005063 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5064 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07005065
Michael Chan35e90102008-06-19 16:37:42 -07005066 txr->tx_prod = 0;
5067 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005068
Michael Chan35e90102008-06-19 16:37:42 -07005069 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5070 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07005071
Michael Chan35e90102008-06-19 16:37:42 -07005072 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07005073}
5074
5075static void
Michael Chan5d5d0012007-12-12 11:17:43 -08005076bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
5077 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07005078{
Michael Chanb6016b72005-05-26 13:03:09 -07005079 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08005080 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07005081
Michael Chan5d5d0012007-12-12 11:17:43 -08005082 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08005083 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005084
Michael Chan5d5d0012007-12-12 11:17:43 -08005085 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08005086 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08005087 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005088 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5089 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005090 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08005091 j = 0;
5092 else
5093 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08005094 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5095 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08005096 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005097}
5098
5099static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07005100bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08005101{
5102 int i;
5103 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005104 u32 cid, rx_cid_addr, val;
5105 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5106 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08005107
Michael Chanbb4f98a2008-06-19 16:38:19 -07005108 if (ring_num == 0)
5109 cid = RX_CID;
5110 else
5111 cid = RX_RSS_CID + ring_num - 1;
5112
5113 rx_cid_addr = GET_CID_ADDR(cid);
5114
5115 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08005116 bp->rx_buf_use_size, bp->rx_max_ring);
5117
Michael Chanbb4f98a2008-06-19 16:38:19 -07005118 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08005119
5120 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5121 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
5122 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
5123 }
5124
Michael Chan62a83132008-01-29 21:35:40 -08005125 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08005126 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07005127 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5128 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08005129 PAGE_SIZE, bp->rx_max_pg_ring);
5130 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08005131 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5132 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005133 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08005134
Michael Chanbb4f98a2008-06-19 16:38:19 -07005135 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005136 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005137
Michael Chanbb4f98a2008-06-19 16:38:19 -07005138 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005139 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005140
5141 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5142 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
5143 }
Michael Chanb6016b72005-05-26 13:03:09 -07005144
Michael Chanbb4f98a2008-06-19 16:38:19 -07005145 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005146 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005147
Michael Chanbb4f98a2008-06-19 16:38:19 -07005148 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005149 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005150
Michael Chanbb4f98a2008-06-19 16:38:19 -07005151 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005152 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Michael Chanb929e532009-12-03 09:46:33 +00005153 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005154 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5155 ring_num, i, bp->rx_pg_ring_size);
Michael Chan47bf4242007-12-12 11:19:12 -08005156 break;
Michael Chanb929e532009-12-03 09:46:33 +00005157 }
Michael Chan47bf4242007-12-12 11:19:12 -08005158 prod = NEXT_RX_BD(prod);
5159 ring_prod = RX_PG_RING_IDX(prod);
5160 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005161 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005162
Michael Chanbb4f98a2008-06-19 16:38:19 -07005163 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08005164 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chanb929e532009-12-03 09:46:33 +00005165 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005166 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5167 ring_num, i, bp->rx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07005168 break;
Michael Chanb929e532009-12-03 09:46:33 +00005169 }
Michael Chanb6016b72005-05-26 13:03:09 -07005170 prod = NEXT_RX_BD(prod);
5171 ring_prod = RX_RING_IDX(prod);
5172 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005173 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005174
Michael Chanbb4f98a2008-06-19 16:38:19 -07005175 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5176 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5177 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07005178
Michael Chanbb4f98a2008-06-19 16:38:19 -07005179 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5180 REG_WR16(bp, rxr->rx_bidx_addr, prod);
5181
5182 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005183}
5184
Michael Chan35e90102008-06-19 16:37:42 -07005185static void
5186bnx2_init_all_rings(struct bnx2 *bp)
5187{
5188 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005189 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07005190
5191 bnx2_clear_ring_states(bp);
5192
5193 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
5194 for (i = 0; i < bp->num_tx_rings; i++)
5195 bnx2_init_tx_ring(bp, i);
5196
5197 if (bp->num_tx_rings > 1)
5198 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5199 (TX_TSS_CID << 7));
5200
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005201 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5202 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5203
Michael Chanbb4f98a2008-06-19 16:38:19 -07005204 for (i = 0; i < bp->num_rx_rings; i++)
5205 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005206
5207 if (bp->num_rx_rings > 1) {
5208 u32 tbl_32;
5209 u8 *tbl = (u8 *) &tbl_32;
5210
5211 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
5212 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
5213
5214 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
5215 tbl[i % 4] = i % (bp->num_rx_rings - 1);
5216 if ((i % 4) == 3)
5217 bnx2_reg_wr_ind(bp,
5218 BNX2_RXP_SCRATCH_RSS_TBL + i,
5219 cpu_to_be32(tbl_32));
5220 }
5221
5222 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5223 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5224
5225 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5226
5227 }
Michael Chan35e90102008-06-19 16:37:42 -07005228}
5229
Michael Chan5d5d0012007-12-12 11:17:43 -08005230static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08005231{
Michael Chan5d5d0012007-12-12 11:17:43 -08005232 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005233
Michael Chan5d5d0012007-12-12 11:17:43 -08005234 while (ring_size > MAX_RX_DESC_CNT) {
5235 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08005236 num_rings++;
5237 }
5238 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08005239 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005240 while ((max & num_rings) == 0)
5241 max >>= 1;
5242
5243 if (num_rings != max)
5244 max <<= 1;
5245
Michael Chan5d5d0012007-12-12 11:17:43 -08005246 return max;
5247}
5248
5249static void
5250bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5251{
Michael Chan84eaa182007-12-12 11:19:57 -08005252 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08005253
5254 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005255 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08005256
Michael Chan84eaa182007-12-12 11:19:57 -08005257 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
5258 sizeof(struct skb_shared_info);
5259
Benjamin Li601d3d12008-05-16 22:19:35 -07005260 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08005261 bp->rx_pg_ring_size = 0;
5262 bp->rx_max_pg_ring = 0;
5263 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08005264 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08005265 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5266
5267 jumbo_size = size * pages;
5268 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
5269 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
5270
5271 bp->rx_pg_ring_size = jumbo_size;
5272 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
5273 MAX_RX_PG_RINGS);
5274 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07005275 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08005276 bp->rx_copy_thresh = 0;
5277 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005278
5279 bp->rx_buf_use_size = rx_size;
5280 /* hw alignment */
5281 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005282 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08005283 bp->rx_ring_size = size;
5284 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08005285 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5286}
5287
5288static void
Michael Chanb6016b72005-05-26 13:03:09 -07005289bnx2_free_tx_skbs(struct bnx2 *bp)
5290{
5291 int i;
5292
Michael Chan35e90102008-06-19 16:37:42 -07005293 for (i = 0; i < bp->num_tx_rings; i++) {
5294 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5295 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5296 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005297
Michael Chan35e90102008-06-19 16:37:42 -07005298 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005299 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005300
Michael Chan35e90102008-06-19 16:37:42 -07005301 for (j = 0; j < TX_DESC_CNT; ) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005302 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
Michael Chan35e90102008-06-19 16:37:42 -07005303 struct sk_buff *skb = tx_buf->skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00005304 int k, last;
Michael Chan35e90102008-06-19 16:37:42 -07005305
5306 if (skb == NULL) {
5307 j++;
5308 continue;
5309 }
5310
Alexander Duycke95524a2009-12-02 16:47:57 +00005311 pci_unmap_single(bp->pdev,
5312 pci_unmap_addr(tx_buf, mapping),
5313 skb_headlen(skb),
5314 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005315
Michael Chan35e90102008-06-19 16:37:42 -07005316 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005317
Alexander Duycke95524a2009-12-02 16:47:57 +00005318 last = tx_buf->nr_frags;
5319 j++;
5320 for (k = 0; k < last; k++, j++) {
5321 tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
5322 pci_unmap_page(bp->pdev,
5323 pci_unmap_addr(tx_buf, mapping),
5324 skb_shinfo(skb)->frags[k].size,
5325 PCI_DMA_TODEVICE);
5326 }
Michael Chan35e90102008-06-19 16:37:42 -07005327 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005328 }
Michael Chanb6016b72005-05-26 13:03:09 -07005329 }
Michael Chanb6016b72005-05-26 13:03:09 -07005330}
5331
5332static void
5333bnx2_free_rx_skbs(struct bnx2 *bp)
5334{
5335 int i;
5336
Michael Chanbb4f98a2008-06-19 16:38:19 -07005337 for (i = 0; i < bp->num_rx_rings; i++) {
5338 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5339 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5340 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005341
Michael Chanbb4f98a2008-06-19 16:38:19 -07005342 if (rxr->rx_buf_ring == NULL)
5343 return;
Michael Chanb6016b72005-05-26 13:03:09 -07005344
Michael Chanbb4f98a2008-06-19 16:38:19 -07005345 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5346 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5347 struct sk_buff *skb = rx_buf->skb;
Michael Chanb6016b72005-05-26 13:03:09 -07005348
Michael Chanbb4f98a2008-06-19 16:38:19 -07005349 if (skb == NULL)
5350 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005351
Michael Chanbb4f98a2008-06-19 16:38:19 -07005352 pci_unmap_single(bp->pdev,
5353 pci_unmap_addr(rx_buf, mapping),
5354 bp->rx_buf_use_size,
5355 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005356
Michael Chanbb4f98a2008-06-19 16:38:19 -07005357 rx_buf->skb = NULL;
5358
5359 dev_kfree_skb(skb);
5360 }
5361 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5362 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005363 }
5364}
5365
5366static void
5367bnx2_free_skbs(struct bnx2 *bp)
5368{
5369 bnx2_free_tx_skbs(bp);
5370 bnx2_free_rx_skbs(bp);
5371}
5372
5373static int
5374bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5375{
5376 int rc;
5377
5378 rc = bnx2_reset_chip(bp, reset_code);
5379 bnx2_free_skbs(bp);
5380 if (rc)
5381 return rc;
5382
Michael Chanfba9fe92006-06-12 22:21:25 -07005383 if ((rc = bnx2_init_chip(bp)) != 0)
5384 return rc;
5385
Michael Chan35e90102008-06-19 16:37:42 -07005386 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005387 return 0;
5388}
5389
5390static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005391bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005392{
5393 int rc;
5394
5395 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5396 return rc;
5397
Michael Chan80be4432006-11-19 14:07:28 -08005398 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005399 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005400 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005401 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5402 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005403 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005404 return 0;
5405}
5406
5407static int
Michael Chan74bf4ba2008-10-09 12:21:08 -07005408bnx2_shutdown_chip(struct bnx2 *bp)
5409{
5410 u32 reset_code;
5411
5412 if (bp->flags & BNX2_FLAG_NO_WOL)
5413 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5414 else if (bp->wol)
5415 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5416 else
5417 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5418
5419 return bnx2_reset_chip(bp, reset_code);
5420}
5421
5422static int
Michael Chanb6016b72005-05-26 13:03:09 -07005423bnx2_test_registers(struct bnx2 *bp)
5424{
5425 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005426 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005427 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005428 u16 offset;
5429 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005430#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005431 u32 rw_mask;
5432 u32 ro_mask;
5433 } reg_tbl[] = {
5434 { 0x006c, 0, 0x00000000, 0x0000003f },
5435 { 0x0090, 0, 0xffffffff, 0x00000000 },
5436 { 0x0094, 0, 0x00000000, 0x00000000 },
5437
Michael Chan5bae30c2007-05-03 13:18:46 -07005438 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5439 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5440 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5441 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5442 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5443 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5444 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5445 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5446 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005447
Michael Chan5bae30c2007-05-03 13:18:46 -07005448 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5449 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5450 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5451 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5452 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5453 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005454
Michael Chan5bae30c2007-05-03 13:18:46 -07005455 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5456 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5457 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005458
5459 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005460 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005461
5462 { 0x1408, 0, 0x01c00800, 0x00000000 },
5463 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5464 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005465 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005466 { 0x14b0, 0, 0x00000002, 0x00000001 },
5467 { 0x14b8, 0, 0x00000000, 0x00000000 },
5468 { 0x14c0, 0, 0x00000000, 0x00000009 },
5469 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5470 { 0x14cc, 0, 0x00000000, 0x00000001 },
5471 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005472
5473 { 0x1800, 0, 0x00000000, 0x00000001 },
5474 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005475
5476 { 0x2800, 0, 0x00000000, 0x00000001 },
5477 { 0x2804, 0, 0x00000000, 0x00003f01 },
5478 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5479 { 0x2810, 0, 0xffff0000, 0x00000000 },
5480 { 0x2814, 0, 0xffff0000, 0x00000000 },
5481 { 0x2818, 0, 0xffff0000, 0x00000000 },
5482 { 0x281c, 0, 0xffff0000, 0x00000000 },
5483 { 0x2834, 0, 0xffffffff, 0x00000000 },
5484 { 0x2840, 0, 0x00000000, 0xffffffff },
5485 { 0x2844, 0, 0x00000000, 0xffffffff },
5486 { 0x2848, 0, 0xffffffff, 0x00000000 },
5487 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5488
5489 { 0x2c00, 0, 0x00000000, 0x00000011 },
5490 { 0x2c04, 0, 0x00000000, 0x00030007 },
5491
Michael Chanb6016b72005-05-26 13:03:09 -07005492 { 0x3c00, 0, 0x00000000, 0x00000001 },
5493 { 0x3c04, 0, 0x00000000, 0x00070000 },
5494 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5495 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5496 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5497 { 0x3c14, 0, 0x00000000, 0xffffffff },
5498 { 0x3c18, 0, 0x00000000, 0xffffffff },
5499 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5500 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005501
5502 { 0x5004, 0, 0x00000000, 0x0000007f },
5503 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005504
Michael Chanb6016b72005-05-26 13:03:09 -07005505 { 0x5c00, 0, 0x00000000, 0x00000001 },
5506 { 0x5c04, 0, 0x00000000, 0x0003000f },
5507 { 0x5c08, 0, 0x00000003, 0x00000000 },
5508 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5509 { 0x5c10, 0, 0x00000000, 0xffffffff },
5510 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5511 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5512 { 0x5c88, 0, 0x00000000, 0x00077373 },
5513 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5514
5515 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5516 { 0x680c, 0, 0xffffffff, 0x00000000 },
5517 { 0x6810, 0, 0xffffffff, 0x00000000 },
5518 { 0x6814, 0, 0xffffffff, 0x00000000 },
5519 { 0x6818, 0, 0xffffffff, 0x00000000 },
5520 { 0x681c, 0, 0xffffffff, 0x00000000 },
5521 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5522 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5523 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5524 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5525 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5526 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5527 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5528 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5529 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5530 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5531 { 0x684c, 0, 0xffffffff, 0x00000000 },
5532 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5533 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5534 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5535 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5536 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5537 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5538
5539 { 0xffff, 0, 0x00000000, 0x00000000 },
5540 };
5541
5542 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005543 is_5709 = 0;
5544 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5545 is_5709 = 1;
5546
Michael Chanb6016b72005-05-26 13:03:09 -07005547 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5548 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005549 u16 flags = reg_tbl[i].flags;
5550
5551 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5552 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005553
5554 offset = (u32) reg_tbl[i].offset;
5555 rw_mask = reg_tbl[i].rw_mask;
5556 ro_mask = reg_tbl[i].ro_mask;
5557
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005558 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005559
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005560 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005561
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005562 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005563 if ((val & rw_mask) != 0) {
5564 goto reg_test_err;
5565 }
5566
5567 if ((val & ro_mask) != (save_val & ro_mask)) {
5568 goto reg_test_err;
5569 }
5570
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005571 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005572
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005573 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005574 if ((val & rw_mask) != rw_mask) {
5575 goto reg_test_err;
5576 }
5577
5578 if ((val & ro_mask) != (save_val & ro_mask)) {
5579 goto reg_test_err;
5580 }
5581
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005582 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005583 continue;
5584
5585reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005586 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005587 ret = -ENODEV;
5588 break;
5589 }
5590 return ret;
5591}
5592
5593static int
5594bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5595{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005596 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005597 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5598 int i;
5599
5600 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5601 u32 offset;
5602
5603 for (offset = 0; offset < size; offset += 4) {
5604
Michael Chan2726d6e2008-01-29 21:35:05 -08005605 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005606
Michael Chan2726d6e2008-01-29 21:35:05 -08005607 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005608 test_pattern[i]) {
5609 return -ENODEV;
5610 }
5611 }
5612 }
5613 return 0;
5614}
5615
5616static int
5617bnx2_test_memory(struct bnx2 *bp)
5618{
5619 int ret = 0;
5620 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005621 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005622 u32 offset;
5623 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005624 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005625 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005626 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005627 { 0xe0000, 0x4000 },
5628 { 0x120000, 0x4000 },
5629 { 0x1a0000, 0x4000 },
5630 { 0x160000, 0x4000 },
5631 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005632 },
5633 mem_tbl_5709[] = {
5634 { 0x60000, 0x4000 },
5635 { 0xa0000, 0x3000 },
5636 { 0xe0000, 0x4000 },
5637 { 0x120000, 0x4000 },
5638 { 0x1a0000, 0x4000 },
5639 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005640 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005641 struct mem_entry *mem_tbl;
5642
5643 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5644 mem_tbl = mem_tbl_5709;
5645 else
5646 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005647
5648 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5649 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5650 mem_tbl[i].len)) != 0) {
5651 return ret;
5652 }
5653 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005654
Michael Chanb6016b72005-05-26 13:03:09 -07005655 return ret;
5656}
5657
Michael Chanbc5a0692006-01-23 16:13:22 -08005658#define BNX2_MAC_LOOPBACK 0
5659#define BNX2_PHY_LOOPBACK 1
5660
Michael Chanb6016b72005-05-26 13:03:09 -07005661static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005662bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005663{
5664 unsigned int pkt_size, num_pkts, i;
5665 struct sk_buff *skb, *rx_skb;
5666 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005667 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005668 dma_addr_t map;
5669 struct tx_bd *txbd;
5670 struct sw_bd *rx_buf;
5671 struct l2_fhdr *rx_hdr;
5672 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005673 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005674 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005675 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005676
5677 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005678
Michael Chan35e90102008-06-19 16:37:42 -07005679 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005680 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005681 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5682 bp->loopback = MAC_LOOPBACK;
5683 bnx2_set_mac_loopback(bp);
5684 }
5685 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005686 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005687 return 0;
5688
Michael Chan80be4432006-11-19 14:07:28 -08005689 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005690 bnx2_set_phy_loopback(bp);
5691 }
5692 else
5693 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005694
Michael Chan84eaa182007-12-12 11:19:57 -08005695 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005696 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005697 if (!skb)
5698 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005699 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005700 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005701 memset(packet + 6, 0x0, 8);
5702 for (i = 14; i < pkt_size; i++)
5703 packet[i] = (unsigned char) (i & 0xff);
5704
Alexander Duycke95524a2009-12-02 16:47:57 +00005705 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5706 PCI_DMA_TODEVICE);
5707 if (pci_dma_mapping_error(bp->pdev, map)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005708 dev_kfree_skb(skb);
5709 return -EIO;
5710 }
Michael Chanb6016b72005-05-26 13:03:09 -07005711
Michael Chanbf5295b2006-03-23 01:11:56 -08005712 REG_WR(bp, BNX2_HC_COMMAND,
5713 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5714
Michael Chanb6016b72005-05-26 13:03:09 -07005715 REG_RD(bp, BNX2_HC_COMMAND);
5716
5717 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005718 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005719
Michael Chanb6016b72005-05-26 13:03:09 -07005720 num_pkts = 0;
5721
Michael Chan35e90102008-06-19 16:37:42 -07005722 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005723
5724 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5725 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5726 txbd->tx_bd_mss_nbytes = pkt_size;
5727 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5728
5729 num_pkts++;
Michael Chan35e90102008-06-19 16:37:42 -07005730 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5731 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005732
Michael Chan35e90102008-06-19 16:37:42 -07005733 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5734 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005735
5736 udelay(100);
5737
Michael Chanbf5295b2006-03-23 01:11:56 -08005738 REG_WR(bp, BNX2_HC_COMMAND,
5739 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5740
Michael Chanb6016b72005-05-26 13:03:09 -07005741 REG_RD(bp, BNX2_HC_COMMAND);
5742
5743 udelay(5);
5744
Alexander Duycke95524a2009-12-02 16:47:57 +00005745 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005746 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005747
Michael Chan35e90102008-06-19 16:37:42 -07005748 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005749 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005750
Michael Chan35efa7c2007-12-20 19:56:37 -08005751 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005752 if (rx_idx != rx_start_idx + num_pkts) {
5753 goto loopback_test_done;
5754 }
5755
Michael Chanbb4f98a2008-06-19 16:38:19 -07005756 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Michael Chanb6016b72005-05-26 13:03:09 -07005757 rx_skb = rx_buf->skb;
5758
5759 rx_hdr = (struct l2_fhdr *) rx_skb->data;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005760 skb_reserve(rx_skb, BNX2_RX_OFFSET);
Michael Chanb6016b72005-05-26 13:03:09 -07005761
5762 pci_dma_sync_single_for_cpu(bp->pdev,
5763 pci_unmap_addr(rx_buf, mapping),
5764 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5765
Michael Chanade2bfe2006-01-23 16:09:51 -08005766 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005767 (L2_FHDR_ERRORS_BAD_CRC |
5768 L2_FHDR_ERRORS_PHY_DECODE |
5769 L2_FHDR_ERRORS_ALIGNMENT |
5770 L2_FHDR_ERRORS_TOO_SHORT |
5771 L2_FHDR_ERRORS_GIANT_FRAME)) {
5772
5773 goto loopback_test_done;
5774 }
5775
5776 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5777 goto loopback_test_done;
5778 }
5779
5780 for (i = 14; i < pkt_size; i++) {
5781 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5782 goto loopback_test_done;
5783 }
5784 }
5785
5786 ret = 0;
5787
5788loopback_test_done:
5789 bp->loopback = 0;
5790 return ret;
5791}
5792
Michael Chanbc5a0692006-01-23 16:13:22 -08005793#define BNX2_MAC_LOOPBACK_FAILED 1
5794#define BNX2_PHY_LOOPBACK_FAILED 2
5795#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5796 BNX2_PHY_LOOPBACK_FAILED)
5797
5798static int
5799bnx2_test_loopback(struct bnx2 *bp)
5800{
5801 int rc = 0;
5802
5803 if (!netif_running(bp->dev))
5804 return BNX2_LOOPBACK_FAILED;
5805
5806 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5807 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005808 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005809 spin_unlock_bh(&bp->phy_lock);
5810 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5811 rc |= BNX2_MAC_LOOPBACK_FAILED;
5812 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5813 rc |= BNX2_PHY_LOOPBACK_FAILED;
5814 return rc;
5815}
5816
Michael Chanb6016b72005-05-26 13:03:09 -07005817#define NVRAM_SIZE 0x200
5818#define CRC32_RESIDUAL 0xdebb20e3
5819
5820static int
5821bnx2_test_nvram(struct bnx2 *bp)
5822{
Al Virob491edd2007-12-22 19:44:51 +00005823 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005824 u8 *data = (u8 *) buf;
5825 int rc = 0;
5826 u32 magic, csum;
5827
5828 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5829 goto test_nvram_done;
5830
5831 magic = be32_to_cpu(buf[0]);
5832 if (magic != 0x669955aa) {
5833 rc = -ENODEV;
5834 goto test_nvram_done;
5835 }
5836
5837 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5838 goto test_nvram_done;
5839
5840 csum = ether_crc_le(0x100, data);
5841 if (csum != CRC32_RESIDUAL) {
5842 rc = -ENODEV;
5843 goto test_nvram_done;
5844 }
5845
5846 csum = ether_crc_le(0x100, data + 0x100);
5847 if (csum != CRC32_RESIDUAL) {
5848 rc = -ENODEV;
5849 }
5850
5851test_nvram_done:
5852 return rc;
5853}
5854
5855static int
5856bnx2_test_link(struct bnx2 *bp)
5857{
5858 u32 bmsr;
5859
Michael Chan9f52b562008-10-09 12:21:46 -07005860 if (!netif_running(bp->dev))
5861 return -ENODEV;
5862
Michael Chan583c28e2008-01-21 19:51:35 -08005863 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005864 if (bp->link_up)
5865 return 0;
5866 return -ENODEV;
5867 }
Michael Chanc770a652005-08-25 15:38:39 -07005868 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005869 bnx2_enable_bmsr1(bp);
5870 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5871 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5872 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005873 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005874
Michael Chanb6016b72005-05-26 13:03:09 -07005875 if (bmsr & BMSR_LSTATUS) {
5876 return 0;
5877 }
5878 return -ENODEV;
5879}
5880
5881static int
5882bnx2_test_intr(struct bnx2 *bp)
5883{
5884 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005885 u16 status_idx;
5886
5887 if (!netif_running(bp->dev))
5888 return -ENODEV;
5889
5890 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5891
5892 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005893 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005894 REG_RD(bp, BNX2_HC_COMMAND);
5895
5896 for (i = 0; i < 10; i++) {
5897 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5898 status_idx) {
5899
5900 break;
5901 }
5902
5903 msleep_interruptible(10);
5904 }
5905 if (i < 10)
5906 return 0;
5907
5908 return -ENODEV;
5909}
5910
Michael Chan38ea3682008-02-23 19:48:57 -08005911/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005912static int
5913bnx2_5706_serdes_has_link(struct bnx2 *bp)
5914{
5915 u32 mode_ctl, an_dbg, exp;
5916
Michael Chan38ea3682008-02-23 19:48:57 -08005917 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5918 return 0;
5919
Michael Chanb2fadea2008-01-21 17:07:06 -08005920 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5921 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5922
5923 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5924 return 0;
5925
5926 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5927 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5928 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5929
Michael Chanf3014c02008-01-29 21:33:03 -08005930 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005931 return 0;
5932
5933 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5934 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5935 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5936
5937 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5938 return 0;
5939
5940 return 1;
5941}
5942
Michael Chanb6016b72005-05-26 13:03:09 -07005943static void
Michael Chan48b01e22006-11-19 14:08:00 -08005944bnx2_5706_serdes_timer(struct bnx2 *bp)
5945{
Michael Chanb2fadea2008-01-21 17:07:06 -08005946 int check_link = 1;
5947
Michael Chan48b01e22006-11-19 14:08:00 -08005948 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005949 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005950 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005951 check_link = 0;
5952 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005953 u32 bmcr;
5954
Benjamin Liac392ab2008-09-18 16:40:49 -07005955 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005956
Michael Chanca58c3a2007-05-03 13:22:52 -07005957 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005958
5959 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005960 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005961 bmcr &= ~BMCR_ANENABLE;
5962 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005963 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005964 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005965 }
5966 }
5967 }
5968 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005969 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005970 u32 phy2;
5971
5972 bnx2_write_phy(bp, 0x17, 0x0f01);
5973 bnx2_read_phy(bp, 0x15, &phy2);
5974 if (phy2 & 0x20) {
5975 u32 bmcr;
5976
Michael Chanca58c3a2007-05-03 13:22:52 -07005977 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005978 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005979 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005980
Michael Chan583c28e2008-01-21 19:51:35 -08005981 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005982 }
5983 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07005984 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005985
Michael Chana2724e22008-02-23 19:47:44 -08005986 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005987 u32 val;
5988
5989 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5990 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5991 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5992
Michael Chana2724e22008-02-23 19:47:44 -08005993 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5994 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5995 bnx2_5706s_force_link_dn(bp, 1);
5996 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5997 } else
5998 bnx2_set_link(bp);
5999 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6000 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08006001 }
Michael Chan48b01e22006-11-19 14:08:00 -08006002 spin_unlock(&bp->phy_lock);
6003}
6004
6005static void
Michael Chanf8dd0642006-11-19 14:08:29 -08006006bnx2_5708_serdes_timer(struct bnx2 *bp)
6007{
Michael Chan583c28e2008-01-21 19:51:35 -08006008 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07006009 return;
6010
Michael Chan583c28e2008-01-21 19:51:35 -08006011 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006012 bp->serdes_an_pending = 0;
6013 return;
6014 }
6015
6016 spin_lock(&bp->phy_lock);
6017 if (bp->serdes_an_pending)
6018 bp->serdes_an_pending--;
6019 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6020 u32 bmcr;
6021
Michael Chanca58c3a2007-05-03 13:22:52 -07006022 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08006023 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07006024 bnx2_enable_forced_2g5(bp);
Michael Chan40105c02008-11-12 16:02:45 -08006025 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006026 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07006027 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08006028 bp->serdes_an_pending = 2;
Benjamin Liac392ab2008-09-18 16:40:49 -07006029 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006030 }
6031
6032 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006033 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006034
6035 spin_unlock(&bp->phy_lock);
6036}
6037
6038static void
Michael Chanb6016b72005-05-26 13:03:09 -07006039bnx2_timer(unsigned long data)
6040{
6041 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07006042
Michael Chancd339a02005-08-25 15:35:24 -07006043 if (!netif_running(bp->dev))
6044 return;
6045
Michael Chanb6016b72005-05-26 13:03:09 -07006046 if (atomic_read(&bp->intr_sem) != 0)
6047 goto bnx2_restart_timer;
6048
Michael Chanefba0182008-12-03 00:36:15 -08006049 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6050 BNX2_FLAG_USING_MSI)
6051 bnx2_chk_missed_msi(bp);
6052
Michael Chandf149d72007-07-07 22:51:36 -07006053 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006054
Michael Chan2726d6e2008-01-29 21:35:05 -08006055 bp->stats_blk->stat_FwRxDrop =
6056 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07006057
Michael Chan02537b062007-06-04 21:24:07 -07006058 /* workaround occasional corrupted counters */
Michael Chan61d9e3f2009-08-21 16:20:46 +00006059 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
Michael Chan02537b062007-06-04 21:24:07 -07006060 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6061 BNX2_HC_COMMAND_STATS_NOW);
6062
Michael Chan583c28e2008-01-21 19:51:35 -08006063 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006064 if (CHIP_NUM(bp) == CHIP_NUM_5706)
6065 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07006066 else
Michael Chanf8dd0642006-11-19 14:08:29 -08006067 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006068 }
6069
6070bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07006071 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006072}
6073
Michael Chan8e6a72c2007-05-03 13:24:48 -07006074static int
6075bnx2_request_irq(struct bnx2 *bp)
6076{
Michael Chan6d866ff2007-12-20 19:56:09 -08006077 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08006078 struct bnx2_irq *irq;
6079 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006080
David S. Millerf86e82f2008-01-21 17:15:40 -08006081 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08006082 flags = 0;
6083 else
6084 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08006085
6086 for (i = 0; i < bp->irq_nvecs; i++) {
6087 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08006088 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07006089 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006090 if (rc)
6091 break;
6092 irq->requested = 1;
6093 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07006094 return rc;
6095}
6096
6097static void
6098bnx2_free_irq(struct bnx2 *bp)
6099{
Michael Chanb4b36042007-12-20 19:59:30 -08006100 struct bnx2_irq *irq;
6101 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006102
Michael Chanb4b36042007-12-20 19:59:30 -08006103 for (i = 0; i < bp->irq_nvecs; i++) {
6104 irq = &bp->irq_tbl[i];
6105 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07006106 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006107 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08006108 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006109 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08006110 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08006111 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08006112 pci_disable_msix(bp->pdev);
6113
David S. Millerf86e82f2008-01-21 17:15:40 -08006114 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08006115}
6116
6117static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006118bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08006119{
Michael Chan57851d82007-12-20 20:01:44 -08006120 int i, rc;
6121 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
Michael Chan4e1d0de2008-12-16 20:27:45 -08006122 struct net_device *dev = bp->dev;
6123 const int len = sizeof(bp->irq_tbl[0].name);
Michael Chan57851d82007-12-20 20:01:44 -08006124
Michael Chanb4b36042007-12-20 19:59:30 -08006125 bnx2_setup_msix_tbl(bp);
6126 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6127 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6128 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08006129
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006130 /* Need to flush the previous three writes to ensure MSI-X
6131 * is setup properly */
6132 REG_RD(bp, BNX2_PCI_MSIX_CONTROL);
6133
Michael Chan57851d82007-12-20 20:01:44 -08006134 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6135 msix_ent[i].entry = i;
6136 msix_ent[i].vector = 0;
6137 }
6138
6139 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
6140 if (rc != 0)
6141 return;
6142
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006143 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006144 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan69010312009-03-18 18:11:51 -07006145 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006146 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006147 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6148 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6149 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006150}
6151
6152static void
6153bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6154{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006155 int cpus = num_online_cpus();
Benjamin Li706bf242008-07-18 17:55:11 -07006156 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006157
Michael Chan6d866ff2007-12-20 19:56:09 -08006158 bp->irq_tbl[0].handler = bnx2_interrupt;
6159 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006160 bp->irq_nvecs = 1;
6161 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006162
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006163 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
6164 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006165
David S. Millerf86e82f2008-01-21 17:15:40 -08006166 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6167 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006168 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006169 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006170 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006171 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006172 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6173 } else
6174 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006175
6176 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006177 }
6178 }
Benjamin Li706bf242008-07-18 17:55:11 -07006179
6180 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6181 bp->dev->real_num_tx_queues = bp->num_tx_rings;
6182
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006183 bp->num_rx_rings = bp->irq_nvecs;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006184}
6185
Michael Chanb6016b72005-05-26 13:03:09 -07006186/* Called with rtnl_lock */
6187static int
6188bnx2_open(struct net_device *dev)
6189{
Michael Chan972ec0d2006-01-23 16:12:43 -08006190 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006191 int rc;
6192
Michael Chan1b2f9222007-05-03 13:20:19 -07006193 netif_carrier_off(dev);
6194
Pavel Machek829ca9a2005-09-03 15:56:56 -07006195 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07006196 bnx2_disable_int(bp);
6197
Michael Chan6d866ff2007-12-20 19:56:09 -08006198 bnx2_setup_int_mode(bp, disable_msi);
Michael Chan35efa7c2007-12-20 19:56:37 -08006199 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006200 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006201 if (rc)
6202 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006203
Michael Chan8e6a72c2007-05-03 13:24:48 -07006204 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006205 if (rc)
6206 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006207
Michael Chan9a120bc2008-05-16 22:17:45 -07006208 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006209 if (rc)
6210 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006211
Michael Chancd339a02005-08-25 15:35:24 -07006212 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006213
6214 atomic_set(&bp->intr_sem, 0);
6215
Michael Chan354fcd72010-01-17 07:30:44 +00006216 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6217
Michael Chanb6016b72005-05-26 13:03:09 -07006218 bnx2_enable_int(bp);
6219
David S. Millerf86e82f2008-01-21 17:15:40 -08006220 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006221 /* Test MSI to make sure it is working
6222 * If MSI test fails, go back to INTx mode
6223 */
6224 if (bnx2_test_intr(bp) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00006225 netdev_warn(bp->dev, "No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information.\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006226
6227 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006228 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006229
Michael Chan6d866ff2007-12-20 19:56:09 -08006230 bnx2_setup_int_mode(bp, 1);
6231
Michael Chan9a120bc2008-05-16 22:17:45 -07006232 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006233
Michael Chan8e6a72c2007-05-03 13:24:48 -07006234 if (!rc)
6235 rc = bnx2_request_irq(bp);
6236
Michael Chanb6016b72005-05-26 13:03:09 -07006237 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006238 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006239 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006240 }
6241 bnx2_enable_int(bp);
6242 }
6243 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006244 if (bp->flags & BNX2_FLAG_USING_MSI)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006245 netdev_info(dev, "using MSI\n");
David S. Millerf86e82f2008-01-21 17:15:40 -08006246 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006247 netdev_info(dev, "using MSIX\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006248
Benjamin Li706bf242008-07-18 17:55:11 -07006249 netif_tx_start_all_queues(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006250
6251 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07006252
6253open_err:
6254 bnx2_napi_disable(bp);
6255 bnx2_free_skbs(bp);
6256 bnx2_free_irq(bp);
6257 bnx2_free_mem(bp);
6258 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006259}
6260
6261static void
David Howellsc4028952006-11-22 14:57:56 +00006262bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006263{
David Howellsc4028952006-11-22 14:57:56 +00006264 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07006265
Michael Chan51bf6bb2009-12-03 09:46:31 +00006266 rtnl_lock();
6267 if (!netif_running(bp->dev)) {
6268 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006269 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006270 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006271
Michael Chanb6016b72005-05-26 13:03:09 -07006272 bnx2_netif_stop(bp);
6273
Michael Chan9a120bc2008-05-16 22:17:45 -07006274 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006275
6276 atomic_set(&bp->intr_sem, 1);
6277 bnx2_netif_start(bp);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006278 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006279}
6280
6281static void
Michael Chan20175c52009-12-03 09:46:32 +00006282bnx2_dump_state(struct bnx2 *bp)
6283{
6284 struct net_device *dev = bp->dev;
6285
Joe Perches3a9c6a42010-02-17 15:01:51 +00006286 netdev_err(dev, "DEBUG: intr_sem[%x]\n", atomic_read(&bp->intr_sem));
6287 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] RPM_MGMT_PKT_CTRL[%08x]\n",
6288 REG_RD(bp, BNX2_EMAC_TX_STATUS),
6289 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
6290 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
6291 bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P0),
6292 bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P1));
6293 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
6294 REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
Michael Chan20175c52009-12-03 09:46:32 +00006295 if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006296 netdev_err(dev, "DEBUG: PBA[%08x]\n",
6297 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
Michael Chan20175c52009-12-03 09:46:32 +00006298}
6299
6300static void
Michael Chanb6016b72005-05-26 13:03:09 -07006301bnx2_tx_timeout(struct net_device *dev)
6302{
Michael Chan972ec0d2006-01-23 16:12:43 -08006303 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006304
Michael Chan20175c52009-12-03 09:46:32 +00006305 bnx2_dump_state(bp);
6306
Michael Chanb6016b72005-05-26 13:03:09 -07006307 /* This allows the netif to be shutdown gracefully before resetting */
6308 schedule_work(&bp->reset_task);
6309}
6310
6311#ifdef BCM_VLAN
6312/* Called with rtnl_lock */
6313static void
6314bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6315{
Michael Chan972ec0d2006-01-23 16:12:43 -08006316 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006317
Michael Chan37675462009-08-21 16:20:44 +00006318 if (netif_running(dev))
6319 bnx2_netif_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006320
6321 bp->vlgrp = vlgrp;
Michael Chan37675462009-08-21 16:20:44 +00006322
6323 if (!netif_running(dev))
6324 return;
6325
Michael Chanb6016b72005-05-26 13:03:09 -07006326 bnx2_set_rx_mode(dev);
Michael Chan7c62e832008-07-14 22:39:03 -07006327 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
6328 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006329
6330 bnx2_netif_start(bp);
6331}
Michael Chanb6016b72005-05-26 13:03:09 -07006332#endif
6333
Herbert Xu932ff272006-06-09 12:20:56 -07006334/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006335 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6336 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006337 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006338static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006339bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6340{
Michael Chan972ec0d2006-01-23 16:12:43 -08006341 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006342 dma_addr_t mapping;
6343 struct tx_bd *txbd;
Benjamin Li3d16af82008-10-09 12:26:41 -07006344 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006345 u32 len, vlan_tag_flags, last_frag, mss;
6346 u16 prod, ring_prod;
6347 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006348 struct bnx2_napi *bnapi;
6349 struct bnx2_tx_ring_info *txr;
6350 struct netdev_queue *txq;
6351
6352 /* Determine which tx ring we will be placed on */
6353 i = skb_get_queue_mapping(skb);
6354 bnapi = &bp->bnx2_napi[i];
6355 txr = &bnapi->tx_ring;
6356 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006357
Michael Chan35e90102008-06-19 16:37:42 -07006358 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006359 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006360 netif_tx_stop_queue(txq);
Joe Perches3a9c6a42010-02-17 15:01:51 +00006361 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006362
6363 return NETDEV_TX_BUSY;
6364 }
6365 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006366 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006367 ring_prod = TX_RING_IDX(prod);
6368
6369 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006370 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006371 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6372 }
6373
Michael Chan729b85c2008-08-14 15:29:39 -07006374#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08006375 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006376 vlan_tag_flags |=
6377 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6378 }
Michael Chan729b85c2008-08-14 15:29:39 -07006379#endif
Michael Chanfde82052007-05-03 17:23:35 -07006380 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006381 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006382 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006383
Michael Chanb6016b72005-05-26 13:03:09 -07006384 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6385
Michael Chan4666f872007-05-03 13:22:28 -07006386 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006387
Michael Chan4666f872007-05-03 13:22:28 -07006388 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6389 u32 tcp_off = skb_transport_offset(skb) -
6390 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006391
Michael Chan4666f872007-05-03 13:22:28 -07006392 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6393 TX_BD_FLAGS_SW_FLAGS;
6394 if (likely(tcp_off == 0))
6395 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6396 else {
6397 tcp_off >>= 3;
6398 vlan_tag_flags |= ((tcp_off & 0x3) <<
6399 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6400 ((tcp_off & 0x10) <<
6401 TX_BD_FLAGS_TCP6_OFF4_SHL);
6402 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6403 }
6404 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006405 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006406 if (tcp_opt_len || (iph->ihl > 5)) {
6407 vlan_tag_flags |= ((iph->ihl - 5) +
6408 (tcp_opt_len >> 2)) << 8;
6409 }
Michael Chanb6016b72005-05-26 13:03:09 -07006410 }
Michael Chan4666f872007-05-03 13:22:28 -07006411 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006412 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006413
Alexander Duycke95524a2009-12-02 16:47:57 +00006414 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
6415 if (pci_dma_mapping_error(bp->pdev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07006416 dev_kfree_skb(skb);
6417 return NETDEV_TX_OK;
6418 }
6419
Michael Chan35e90102008-06-19 16:37:42 -07006420 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006421 tx_buf->skb = skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00006422 pci_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006423
Michael Chan35e90102008-06-19 16:37:42 -07006424 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006425
6426 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6427 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6428 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6429 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6430
6431 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006432 tx_buf->nr_frags = last_frag;
6433 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006434
6435 for (i = 0; i < last_frag; i++) {
6436 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6437
6438 prod = NEXT_TX_BD(prod);
6439 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006440 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006441
6442 len = frag->size;
Alexander Duycke95524a2009-12-02 16:47:57 +00006443 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
6444 len, PCI_DMA_TODEVICE);
6445 if (pci_dma_mapping_error(bp->pdev, mapping))
6446 goto dma_error;
6447 pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
6448 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006449
6450 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6451 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6452 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6453 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6454
6455 }
6456 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6457
6458 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006459 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006460
Michael Chan35e90102008-06-19 16:37:42 -07006461 REG_WR16(bp, txr->tx_bidx_addr, prod);
6462 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006463
6464 mmiowb();
6465
Michael Chan35e90102008-06-19 16:37:42 -07006466 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006467
Michael Chan35e90102008-06-19 16:37:42 -07006468 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006469 netif_tx_stop_queue(txq);
Michael Chan35e90102008-06-19 16:37:42 -07006470 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006471 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006472 }
6473
6474 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006475dma_error:
6476 /* save value of frag that failed */
6477 last_frag = i;
6478
6479 /* start back at beginning and unmap skb */
6480 prod = txr->tx_prod;
6481 ring_prod = TX_RING_IDX(prod);
6482 tx_buf = &txr->tx_buf_ring[ring_prod];
6483 tx_buf->skb = NULL;
6484 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
6485 skb_headlen(skb), PCI_DMA_TODEVICE);
6486
6487 /* unmap remaining mapped pages */
6488 for (i = 0; i < last_frag; i++) {
6489 prod = NEXT_TX_BD(prod);
6490 ring_prod = TX_RING_IDX(prod);
6491 tx_buf = &txr->tx_buf_ring[ring_prod];
6492 pci_unmap_page(bp->pdev, pci_unmap_addr(tx_buf, mapping),
6493 skb_shinfo(skb)->frags[i].size,
6494 PCI_DMA_TODEVICE);
6495 }
6496
6497 dev_kfree_skb(skb);
6498 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006499}
6500
6501/* Called with rtnl_lock */
6502static int
6503bnx2_close(struct net_device *dev)
6504{
Michael Chan972ec0d2006-01-23 16:12:43 -08006505 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006506
David S. Miller4bb073c2008-06-12 02:22:02 -07006507 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006508
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006509 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006510 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006511 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006512 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006513 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006514 bnx2_free_skbs(bp);
6515 bnx2_free_mem(bp);
6516 bp->link_up = 0;
6517 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006518 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006519 return 0;
6520}
6521
Michael Chan354fcd72010-01-17 07:30:44 +00006522static void
6523bnx2_save_stats(struct bnx2 *bp)
6524{
6525 u32 *hw_stats = (u32 *) bp->stats_blk;
6526 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6527 int i;
6528
6529 /* The 1st 10 counters are 64-bit counters */
6530 for (i = 0; i < 20; i += 2) {
6531 u32 hi;
6532 u64 lo;
6533
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006534 hi = temp_stats[i] + hw_stats[i];
6535 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
Michael Chan354fcd72010-01-17 07:30:44 +00006536 if (lo > 0xffffffff)
6537 hi++;
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006538 temp_stats[i] = hi;
6539 temp_stats[i + 1] = lo & 0xffffffff;
Michael Chan354fcd72010-01-17 07:30:44 +00006540 }
6541
6542 for ( ; i < sizeof(struct statistics_block) / 4; i++)
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006543 temp_stats[i] += hw_stats[i];
Michael Chan354fcd72010-01-17 07:30:44 +00006544}
6545
Michael Chana4743052010-01-17 07:30:43 +00006546#define GET_64BIT_NET_STATS64(ctr) \
Michael Chanb6016b72005-05-26 13:03:09 -07006547 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6548 (unsigned long) (ctr##_lo)
6549
Michael Chana4743052010-01-17 07:30:43 +00006550#define GET_64BIT_NET_STATS32(ctr) \
Michael Chanb6016b72005-05-26 13:03:09 -07006551 (ctr##_lo)
6552
6553#if (BITS_PER_LONG == 64)
Michael Chana4743052010-01-17 07:30:43 +00006554#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006555 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6556 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006557#else
Michael Chana4743052010-01-17 07:30:43 +00006558#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006559 GET_64BIT_NET_STATS32(bp->stats_blk->ctr) + \
6560 GET_64BIT_NET_STATS32(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006561#endif
6562
Michael Chana4743052010-01-17 07:30:43 +00006563#define GET_32BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006564 (unsigned long) (bp->stats_blk->ctr + \
6565 bp->temp_stats_blk->ctr)
Michael Chana4743052010-01-17 07:30:43 +00006566
Michael Chanb6016b72005-05-26 13:03:09 -07006567static struct net_device_stats *
6568bnx2_get_stats(struct net_device *dev)
6569{
Michael Chan972ec0d2006-01-23 16:12:43 -08006570 struct bnx2 *bp = netdev_priv(dev);
Ilpo Järvinend8e80342008-11-28 15:52:43 -08006571 struct net_device_stats *net_stats = &dev->stats;
Michael Chanb6016b72005-05-26 13:03:09 -07006572
6573 if (bp->stats_blk == NULL) {
6574 return net_stats;
6575 }
6576 net_stats->rx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006577 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6578 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6579 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006580
6581 net_stats->tx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006582 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6583 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6584 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006585
6586 net_stats->rx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006587 GET_64BIT_NET_STATS(stat_IfHCInOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006588
6589 net_stats->tx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006590 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006591
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006592 net_stats->multicast =
Michael Chana4743052010-01-17 07:30:43 +00006593 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006594
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006595 net_stats->collisions =
Michael Chana4743052010-01-17 07:30:43 +00006596 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006597
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006598 net_stats->rx_length_errors =
Michael Chana4743052010-01-17 07:30:43 +00006599 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6600 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006601
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006602 net_stats->rx_over_errors =
Michael Chana4743052010-01-17 07:30:43 +00006603 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6604 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006605
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006606 net_stats->rx_frame_errors =
Michael Chana4743052010-01-17 07:30:43 +00006607 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006608
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006609 net_stats->rx_crc_errors =
Michael Chana4743052010-01-17 07:30:43 +00006610 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006611
6612 net_stats->rx_errors = net_stats->rx_length_errors +
6613 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6614 net_stats->rx_crc_errors;
6615
6616 net_stats->tx_aborted_errors =
Michael Chana4743052010-01-17 07:30:43 +00006617 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6618 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006619
Michael Chan5b0c76a2005-11-04 08:45:49 -08006620 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6621 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006622 net_stats->tx_carrier_errors = 0;
6623 else {
6624 net_stats->tx_carrier_errors =
Michael Chana4743052010-01-17 07:30:43 +00006625 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006626 }
6627
6628 net_stats->tx_errors =
Michael Chana4743052010-01-17 07:30:43 +00006629 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
Michael Chanb6016b72005-05-26 13:03:09 -07006630 net_stats->tx_aborted_errors +
6631 net_stats->tx_carrier_errors;
6632
Michael Chancea94db2006-06-12 22:16:13 -07006633 net_stats->rx_missed_errors =
Michael Chana4743052010-01-17 07:30:43 +00006634 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6635 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6636 GET_32BIT_NET_STATS(stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006637
Michael Chanb6016b72005-05-26 13:03:09 -07006638 return net_stats;
6639}
6640
6641/* All ethtool functions called with rtnl_lock */
6642
6643static int
6644bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6645{
Michael Chan972ec0d2006-01-23 16:12:43 -08006646 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006647 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006648
6649 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006650 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006651 support_serdes = 1;
6652 support_copper = 1;
6653 } else if (bp->phy_port == PORT_FIBRE)
6654 support_serdes = 1;
6655 else
6656 support_copper = 1;
6657
6658 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006659 cmd->supported |= SUPPORTED_1000baseT_Full |
6660 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006661 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006662 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006663
Michael Chanb6016b72005-05-26 13:03:09 -07006664 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006665 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006666 cmd->supported |= SUPPORTED_10baseT_Half |
6667 SUPPORTED_10baseT_Full |
6668 SUPPORTED_100baseT_Half |
6669 SUPPORTED_100baseT_Full |
6670 SUPPORTED_1000baseT_Full |
6671 SUPPORTED_TP;
6672
Michael Chanb6016b72005-05-26 13:03:09 -07006673 }
6674
Michael Chan7b6b8342007-07-07 22:50:15 -07006675 spin_lock_bh(&bp->phy_lock);
6676 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006677 cmd->advertising = bp->advertising;
6678
6679 if (bp->autoneg & AUTONEG_SPEED) {
6680 cmd->autoneg = AUTONEG_ENABLE;
6681 }
6682 else {
6683 cmd->autoneg = AUTONEG_DISABLE;
6684 }
6685
6686 if (netif_carrier_ok(dev)) {
6687 cmd->speed = bp->line_speed;
6688 cmd->duplex = bp->duplex;
6689 }
6690 else {
6691 cmd->speed = -1;
6692 cmd->duplex = -1;
6693 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006694 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006695
6696 cmd->transceiver = XCVR_INTERNAL;
6697 cmd->phy_address = bp->phy_addr;
6698
6699 return 0;
6700}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006701
Michael Chanb6016b72005-05-26 13:03:09 -07006702static int
6703bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6704{
Michael Chan972ec0d2006-01-23 16:12:43 -08006705 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006706 u8 autoneg = bp->autoneg;
6707 u8 req_duplex = bp->req_duplex;
6708 u16 req_line_speed = bp->req_line_speed;
6709 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006710 int err = -EINVAL;
6711
6712 spin_lock_bh(&bp->phy_lock);
6713
6714 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6715 goto err_out_unlock;
6716
Michael Chan583c28e2008-01-21 19:51:35 -08006717 if (cmd->port != bp->phy_port &&
6718 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006719 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006720
Michael Chand6b14482008-07-14 22:37:21 -07006721 /* If device is down, we can store the settings only if the user
6722 * is setting the currently active port.
6723 */
6724 if (!netif_running(dev) && cmd->port != bp->phy_port)
6725 goto err_out_unlock;
6726
Michael Chanb6016b72005-05-26 13:03:09 -07006727 if (cmd->autoneg == AUTONEG_ENABLE) {
6728 autoneg |= AUTONEG_SPEED;
6729
Michael Chanbeb499a2010-02-15 19:42:10 +00006730 advertising = cmd->advertising;
6731 if (cmd->port == PORT_TP) {
6732 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6733 if (!advertising)
Michael Chanb6016b72005-05-26 13:03:09 -07006734 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanbeb499a2010-02-15 19:42:10 +00006735 } else {
6736 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6737 if (!advertising)
6738 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006739 }
6740 advertising |= ADVERTISED_Autoneg;
6741 }
6742 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006743 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006744 if ((cmd->speed != SPEED_1000 &&
6745 cmd->speed != SPEED_2500) ||
6746 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006747 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006748
6749 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006750 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006751 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006752 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006753 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6754 goto err_out_unlock;
6755
Michael Chanb6016b72005-05-26 13:03:09 -07006756 autoneg &= ~AUTONEG_SPEED;
6757 req_line_speed = cmd->speed;
6758 req_duplex = cmd->duplex;
6759 advertising = 0;
6760 }
6761
6762 bp->autoneg = autoneg;
6763 bp->advertising = advertising;
6764 bp->req_line_speed = req_line_speed;
6765 bp->req_duplex = req_duplex;
6766
Michael Chand6b14482008-07-14 22:37:21 -07006767 err = 0;
6768 /* If device is down, the new settings will be picked up when it is
6769 * brought up.
6770 */
6771 if (netif_running(dev))
6772 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006773
Michael Chan7b6b8342007-07-07 22:50:15 -07006774err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006775 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006776
Michael Chan7b6b8342007-07-07 22:50:15 -07006777 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006778}
6779
6780static void
6781bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6782{
Michael Chan972ec0d2006-01-23 16:12:43 -08006783 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006784
6785 strcpy(info->driver, DRV_MODULE_NAME);
6786 strcpy(info->version, DRV_MODULE_VERSION);
6787 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006788 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006789}
6790
Michael Chan244ac4f2006-03-20 17:48:46 -08006791#define BNX2_REGDUMP_LEN (32 * 1024)
6792
6793static int
6794bnx2_get_regs_len(struct net_device *dev)
6795{
6796 return BNX2_REGDUMP_LEN;
6797}
6798
6799static void
6800bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6801{
6802 u32 *p = _p, i, offset;
6803 u8 *orig_p = _p;
6804 struct bnx2 *bp = netdev_priv(dev);
6805 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6806 0x0800, 0x0880, 0x0c00, 0x0c10,
6807 0x0c30, 0x0d08, 0x1000, 0x101c,
6808 0x1040, 0x1048, 0x1080, 0x10a4,
6809 0x1400, 0x1490, 0x1498, 0x14f0,
6810 0x1500, 0x155c, 0x1580, 0x15dc,
6811 0x1600, 0x1658, 0x1680, 0x16d8,
6812 0x1800, 0x1820, 0x1840, 0x1854,
6813 0x1880, 0x1894, 0x1900, 0x1984,
6814 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6815 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6816 0x2000, 0x2030, 0x23c0, 0x2400,
6817 0x2800, 0x2820, 0x2830, 0x2850,
6818 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6819 0x3c00, 0x3c94, 0x4000, 0x4010,
6820 0x4080, 0x4090, 0x43c0, 0x4458,
6821 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6822 0x4fc0, 0x5010, 0x53c0, 0x5444,
6823 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6824 0x5fc0, 0x6000, 0x6400, 0x6428,
6825 0x6800, 0x6848, 0x684c, 0x6860,
6826 0x6888, 0x6910, 0x8000 };
6827
6828 regs->version = 0;
6829
6830 memset(p, 0, BNX2_REGDUMP_LEN);
6831
6832 if (!netif_running(bp->dev))
6833 return;
6834
6835 i = 0;
6836 offset = reg_boundaries[0];
6837 p += offset;
6838 while (offset < BNX2_REGDUMP_LEN) {
6839 *p++ = REG_RD(bp, offset);
6840 offset += 4;
6841 if (offset == reg_boundaries[i + 1]) {
6842 offset = reg_boundaries[i + 2];
6843 p = (u32 *) (orig_p + offset);
6844 i += 2;
6845 }
6846 }
6847}
6848
Michael Chanb6016b72005-05-26 13:03:09 -07006849static void
6850bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6851{
Michael Chan972ec0d2006-01-23 16:12:43 -08006852 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006853
David S. Millerf86e82f2008-01-21 17:15:40 -08006854 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006855 wol->supported = 0;
6856 wol->wolopts = 0;
6857 }
6858 else {
6859 wol->supported = WAKE_MAGIC;
6860 if (bp->wol)
6861 wol->wolopts = WAKE_MAGIC;
6862 else
6863 wol->wolopts = 0;
6864 }
6865 memset(&wol->sopass, 0, sizeof(wol->sopass));
6866}
6867
6868static int
6869bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6870{
Michael Chan972ec0d2006-01-23 16:12:43 -08006871 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006872
6873 if (wol->wolopts & ~WAKE_MAGIC)
6874 return -EINVAL;
6875
6876 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006877 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006878 return -EINVAL;
6879
6880 bp->wol = 1;
6881 }
6882 else {
6883 bp->wol = 0;
6884 }
6885 return 0;
6886}
6887
6888static int
6889bnx2_nway_reset(struct net_device *dev)
6890{
Michael Chan972ec0d2006-01-23 16:12:43 -08006891 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006892 u32 bmcr;
6893
Michael Chan9f52b562008-10-09 12:21:46 -07006894 if (!netif_running(dev))
6895 return -EAGAIN;
6896
Michael Chanb6016b72005-05-26 13:03:09 -07006897 if (!(bp->autoneg & AUTONEG_SPEED)) {
6898 return -EINVAL;
6899 }
6900
Michael Chanc770a652005-08-25 15:38:39 -07006901 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006902
Michael Chan583c28e2008-01-21 19:51:35 -08006903 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006904 int rc;
6905
6906 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6907 spin_unlock_bh(&bp->phy_lock);
6908 return rc;
6909 }
6910
Michael Chanb6016b72005-05-26 13:03:09 -07006911 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006912 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006913 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006914 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006915
6916 msleep(20);
6917
Michael Chanc770a652005-08-25 15:38:39 -07006918 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006919
Michael Chan40105c02008-11-12 16:02:45 -08006920 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006921 bp->serdes_an_pending = 1;
6922 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006923 }
6924
Michael Chanca58c3a2007-05-03 13:22:52 -07006925 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006926 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006927 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006928
Michael Chanc770a652005-08-25 15:38:39 -07006929 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006930
6931 return 0;
6932}
6933
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07006934static u32
6935bnx2_get_link(struct net_device *dev)
6936{
6937 struct bnx2 *bp = netdev_priv(dev);
6938
6939 return bp->link_up;
6940}
6941
Michael Chanb6016b72005-05-26 13:03:09 -07006942static int
6943bnx2_get_eeprom_len(struct net_device *dev)
6944{
Michael Chan972ec0d2006-01-23 16:12:43 -08006945 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006946
Michael Chan1122db72006-01-23 16:11:42 -08006947 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006948 return 0;
6949
Michael Chan1122db72006-01-23 16:11:42 -08006950 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006951}
6952
6953static int
6954bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6955 u8 *eebuf)
6956{
Michael Chan972ec0d2006-01-23 16:12:43 -08006957 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006958 int rc;
6959
Michael Chan9f52b562008-10-09 12:21:46 -07006960 if (!netif_running(dev))
6961 return -EAGAIN;
6962
John W. Linville1064e942005-11-10 12:58:24 -08006963 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006964
6965 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6966
6967 return rc;
6968}
6969
6970static int
6971bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6972 u8 *eebuf)
6973{
Michael Chan972ec0d2006-01-23 16:12:43 -08006974 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006975 int rc;
6976
Michael Chan9f52b562008-10-09 12:21:46 -07006977 if (!netif_running(dev))
6978 return -EAGAIN;
6979
John W. Linville1064e942005-11-10 12:58:24 -08006980 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006981
6982 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6983
6984 return rc;
6985}
6986
6987static int
6988bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6989{
Michael Chan972ec0d2006-01-23 16:12:43 -08006990 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006991
6992 memset(coal, 0, sizeof(struct ethtool_coalesce));
6993
6994 coal->rx_coalesce_usecs = bp->rx_ticks;
6995 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6996 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6997 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6998
6999 coal->tx_coalesce_usecs = bp->tx_ticks;
7000 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7001 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7002 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7003
7004 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7005
7006 return 0;
7007}
7008
7009static int
7010bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7011{
Michael Chan972ec0d2006-01-23 16:12:43 -08007012 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007013
7014 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7015 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7016
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007017 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007018 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7019
7020 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7021 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7022
7023 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7024 if (bp->rx_quick_cons_trip_int > 0xff)
7025 bp->rx_quick_cons_trip_int = 0xff;
7026
7027 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7028 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7029
7030 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7031 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7032
7033 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7034 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7035
7036 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7037 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7038 0xff;
7039
7040 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007041 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007042 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7043 bp->stats_ticks = USEC_PER_SEC;
7044 }
Michael Chan7ea69202007-07-16 18:27:10 -07007045 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7046 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7047 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007048
7049 if (netif_running(bp->dev)) {
7050 bnx2_netif_stop(bp);
Michael Chan9a120bc2008-05-16 22:17:45 -07007051 bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007052 bnx2_netif_start(bp);
7053 }
7054
7055 return 0;
7056}
7057
7058static void
7059bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7060{
Michael Chan972ec0d2006-01-23 16:12:43 -08007061 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007062
Michael Chan13daffa2006-03-20 17:49:20 -08007063 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007064 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007065 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007066
7067 ering->rx_pending = bp->rx_ring_size;
7068 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007069 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007070
7071 ering->tx_max_pending = MAX_TX_DESC_CNT;
7072 ering->tx_pending = bp->tx_ring_size;
7073}
7074
7075static int
Michael Chan5d5d0012007-12-12 11:17:43 -08007076bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07007077{
Michael Chan13daffa2006-03-20 17:49:20 -08007078 if (netif_running(bp->dev)) {
Michael Chan354fcd72010-01-17 07:30:44 +00007079 /* Reset will erase chipset stats; save them */
7080 bnx2_save_stats(bp);
7081
Michael Chan13daffa2006-03-20 17:49:20 -08007082 bnx2_netif_stop(bp);
7083 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
7084 bnx2_free_skbs(bp);
7085 bnx2_free_mem(bp);
7086 }
7087
Michael Chan5d5d0012007-12-12 11:17:43 -08007088 bnx2_set_rx_ring_size(bp, rx);
7089 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007090
7091 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08007092 int rc;
7093
7094 rc = bnx2_alloc_mem(bp);
Michael Chan6fefb652009-08-21 16:20:45 +00007095 if (!rc)
7096 rc = bnx2_init_nic(bp, 0);
7097
7098 if (rc) {
7099 bnx2_napi_enable(bp);
7100 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007101 return rc;
Michael Chan6fefb652009-08-21 16:20:45 +00007102 }
Michael Chane9f26c42010-02-15 19:42:08 +00007103#ifdef BCM_CNIC
7104 mutex_lock(&bp->cnic_lock);
7105 /* Let cnic know about the new status block. */
7106 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7107 bnx2_setup_cnic_irq_info(bp);
7108 mutex_unlock(&bp->cnic_lock);
7109#endif
Michael Chanb6016b72005-05-26 13:03:09 -07007110 bnx2_netif_start(bp);
7111 }
Michael Chanb6016b72005-05-26 13:03:09 -07007112 return 0;
7113}
7114
Michael Chan5d5d0012007-12-12 11:17:43 -08007115static int
7116bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7117{
7118 struct bnx2 *bp = netdev_priv(dev);
7119 int rc;
7120
7121 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7122 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7123 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7124
7125 return -EINVAL;
7126 }
7127 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7128 return rc;
7129}
7130
Michael Chanb6016b72005-05-26 13:03:09 -07007131static void
7132bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7133{
Michael Chan972ec0d2006-01-23 16:12:43 -08007134 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007135
7136 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7137 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7138 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7139}
7140
7141static int
7142bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7143{
Michael Chan972ec0d2006-01-23 16:12:43 -08007144 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007145
7146 bp->req_flow_ctrl = 0;
7147 if (epause->rx_pause)
7148 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7149 if (epause->tx_pause)
7150 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7151
7152 if (epause->autoneg) {
7153 bp->autoneg |= AUTONEG_FLOW_CTRL;
7154 }
7155 else {
7156 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7157 }
7158
Michael Chan9f52b562008-10-09 12:21:46 -07007159 if (netif_running(dev)) {
7160 spin_lock_bh(&bp->phy_lock);
7161 bnx2_setup_phy(bp, bp->phy_port);
7162 spin_unlock_bh(&bp->phy_lock);
7163 }
Michael Chanb6016b72005-05-26 13:03:09 -07007164
7165 return 0;
7166}
7167
7168static u32
7169bnx2_get_rx_csum(struct net_device *dev)
7170{
Michael Chan972ec0d2006-01-23 16:12:43 -08007171 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007172
7173 return bp->rx_csum;
7174}
7175
7176static int
7177bnx2_set_rx_csum(struct net_device *dev, u32 data)
7178{
Michael Chan972ec0d2006-01-23 16:12:43 -08007179 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007180
7181 bp->rx_csum = data;
7182 return 0;
7183}
7184
Michael Chanb11d6212006-06-29 12:31:21 -07007185static int
7186bnx2_set_tso(struct net_device *dev, u32 data)
7187{
Michael Chan4666f872007-05-03 13:22:28 -07007188 struct bnx2 *bp = netdev_priv(dev);
7189
7190 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07007191 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007192 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7193 dev->features |= NETIF_F_TSO6;
7194 } else
7195 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
7196 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07007197 return 0;
7198}
7199
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007200static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007201 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007202} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007203 { "rx_bytes" },
7204 { "rx_error_bytes" },
7205 { "tx_bytes" },
7206 { "tx_error_bytes" },
7207 { "rx_ucast_packets" },
7208 { "rx_mcast_packets" },
7209 { "rx_bcast_packets" },
7210 { "tx_ucast_packets" },
7211 { "tx_mcast_packets" },
7212 { "tx_bcast_packets" },
7213 { "tx_mac_errors" },
7214 { "tx_carrier_errors" },
7215 { "rx_crc_errors" },
7216 { "rx_align_errors" },
7217 { "tx_single_collisions" },
7218 { "tx_multi_collisions" },
7219 { "tx_deferred" },
7220 { "tx_excess_collisions" },
7221 { "tx_late_collisions" },
7222 { "tx_total_collisions" },
7223 { "rx_fragments" },
7224 { "rx_jabbers" },
7225 { "rx_undersize_packets" },
7226 { "rx_oversize_packets" },
7227 { "rx_64_byte_packets" },
7228 { "rx_65_to_127_byte_packets" },
7229 { "rx_128_to_255_byte_packets" },
7230 { "rx_256_to_511_byte_packets" },
7231 { "rx_512_to_1023_byte_packets" },
7232 { "rx_1024_to_1522_byte_packets" },
7233 { "rx_1523_to_9022_byte_packets" },
7234 { "tx_64_byte_packets" },
7235 { "tx_65_to_127_byte_packets" },
7236 { "tx_128_to_255_byte_packets" },
7237 { "tx_256_to_511_byte_packets" },
7238 { "tx_512_to_1023_byte_packets" },
7239 { "tx_1024_to_1522_byte_packets" },
7240 { "tx_1523_to_9022_byte_packets" },
7241 { "rx_xon_frames" },
7242 { "rx_xoff_frames" },
7243 { "tx_xon_frames" },
7244 { "tx_xoff_frames" },
7245 { "rx_mac_ctrl_frames" },
7246 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007247 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007248 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007249 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007250};
7251
Michael Chan790dab22009-08-21 16:20:47 +00007252#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
7253 sizeof(bnx2_stats_str_arr[0]))
7254
Michael Chanb6016b72005-05-26 13:03:09 -07007255#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7256
Arjan van de Venf71e1302006-03-03 21:33:57 -05007257static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007258 STATS_OFFSET32(stat_IfHCInOctets_hi),
7259 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7260 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7261 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7262 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7263 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7264 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7265 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7266 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7267 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7268 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007269 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7270 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7271 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7272 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7273 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7274 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7275 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7276 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7277 STATS_OFFSET32(stat_EtherStatsCollisions),
7278 STATS_OFFSET32(stat_EtherStatsFragments),
7279 STATS_OFFSET32(stat_EtherStatsJabbers),
7280 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7281 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7282 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7283 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7284 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7285 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7286 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7287 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7288 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7289 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7290 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7291 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7292 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7293 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7294 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7295 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7296 STATS_OFFSET32(stat_XonPauseFramesReceived),
7297 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7298 STATS_OFFSET32(stat_OutXonSent),
7299 STATS_OFFSET32(stat_OutXoffSent),
7300 STATS_OFFSET32(stat_MacControlFramesReceived),
7301 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007302 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007303 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007304 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007305};
7306
7307/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7308 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007309 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007310static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007311 8,0,8,8,8,8,8,8,8,8,
7312 4,0,4,4,4,4,4,4,4,4,
7313 4,4,4,4,4,4,4,4,4,4,
7314 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007315 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007316};
7317
Michael Chan5b0c76a2005-11-04 08:45:49 -08007318static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7319 8,0,8,8,8,8,8,8,8,8,
7320 4,4,4,4,4,4,4,4,4,4,
7321 4,4,4,4,4,4,4,4,4,4,
7322 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007323 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007324};
7325
Michael Chanb6016b72005-05-26 13:03:09 -07007326#define BNX2_NUM_TESTS 6
7327
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007328static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007329 char string[ETH_GSTRING_LEN];
7330} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7331 { "register_test (offline)" },
7332 { "memory_test (offline)" },
7333 { "loopback_test (offline)" },
7334 { "nvram_test (online)" },
7335 { "interrupt_test (online)" },
7336 { "link_test (online)" },
7337};
7338
7339static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007340bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007341{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007342 switch (sset) {
7343 case ETH_SS_TEST:
7344 return BNX2_NUM_TESTS;
7345 case ETH_SS_STATS:
7346 return BNX2_NUM_STATS;
7347 default:
7348 return -EOPNOTSUPP;
7349 }
Michael Chanb6016b72005-05-26 13:03:09 -07007350}
7351
7352static void
7353bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7354{
Michael Chan972ec0d2006-01-23 16:12:43 -08007355 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007356
Michael Chan9f52b562008-10-09 12:21:46 -07007357 bnx2_set_power_state(bp, PCI_D0);
7358
Michael Chanb6016b72005-05-26 13:03:09 -07007359 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7360 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007361 int i;
7362
Michael Chanb6016b72005-05-26 13:03:09 -07007363 bnx2_netif_stop(bp);
7364 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7365 bnx2_free_skbs(bp);
7366
7367 if (bnx2_test_registers(bp) != 0) {
7368 buf[0] = 1;
7369 etest->flags |= ETH_TEST_FL_FAILED;
7370 }
7371 if (bnx2_test_memory(bp) != 0) {
7372 buf[1] = 1;
7373 etest->flags |= ETH_TEST_FL_FAILED;
7374 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007375 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007376 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007377
Michael Chan9f52b562008-10-09 12:21:46 -07007378 if (!netif_running(bp->dev))
7379 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007380 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007381 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007382 bnx2_netif_start(bp);
7383 }
7384
7385 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007386 for (i = 0; i < 7; i++) {
7387 if (bp->link_up)
7388 break;
7389 msleep_interruptible(1000);
7390 }
Michael Chanb6016b72005-05-26 13:03:09 -07007391 }
7392
7393 if (bnx2_test_nvram(bp) != 0) {
7394 buf[3] = 1;
7395 etest->flags |= ETH_TEST_FL_FAILED;
7396 }
7397 if (bnx2_test_intr(bp) != 0) {
7398 buf[4] = 1;
7399 etest->flags |= ETH_TEST_FL_FAILED;
7400 }
7401
7402 if (bnx2_test_link(bp) != 0) {
7403 buf[5] = 1;
7404 etest->flags |= ETH_TEST_FL_FAILED;
7405
7406 }
Michael Chan9f52b562008-10-09 12:21:46 -07007407 if (!netif_running(bp->dev))
7408 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07007409}
7410
7411static void
7412bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7413{
7414 switch (stringset) {
7415 case ETH_SS_STATS:
7416 memcpy(buf, bnx2_stats_str_arr,
7417 sizeof(bnx2_stats_str_arr));
7418 break;
7419 case ETH_SS_TEST:
7420 memcpy(buf, bnx2_tests_str_arr,
7421 sizeof(bnx2_tests_str_arr));
7422 break;
7423 }
7424}
7425
Michael Chanb6016b72005-05-26 13:03:09 -07007426static void
7427bnx2_get_ethtool_stats(struct net_device *dev,
7428 struct ethtool_stats *stats, u64 *buf)
7429{
Michael Chan972ec0d2006-01-23 16:12:43 -08007430 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007431 int i;
7432 u32 *hw_stats = (u32 *) bp->stats_blk;
Michael Chan354fcd72010-01-17 07:30:44 +00007433 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007434 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007435
7436 if (hw_stats == NULL) {
7437 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7438 return;
7439 }
7440
Michael Chan5b0c76a2005-11-04 08:45:49 -08007441 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7442 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7443 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7444 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007445 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007446 else
7447 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007448
7449 for (i = 0; i < BNX2_NUM_STATS; i++) {
Michael Chan354fcd72010-01-17 07:30:44 +00007450 unsigned long offset;
7451
Michael Chanb6016b72005-05-26 13:03:09 -07007452 if (stats_len_arr[i] == 0) {
7453 /* skip this counter */
7454 buf[i] = 0;
7455 continue;
7456 }
Michael Chan354fcd72010-01-17 07:30:44 +00007457
7458 offset = bnx2_stats_offset_arr[i];
Michael Chanb6016b72005-05-26 13:03:09 -07007459 if (stats_len_arr[i] == 4) {
7460 /* 4-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007461 buf[i] = (u64) *(hw_stats + offset) +
7462 *(temp_stats + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07007463 continue;
7464 }
7465 /* 8-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007466 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7467 *(hw_stats + offset + 1) +
7468 (((u64) *(temp_stats + offset)) << 32) +
7469 *(temp_stats + offset + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007470 }
7471}
7472
7473static int
7474bnx2_phys_id(struct net_device *dev, u32 data)
7475{
Michael Chan972ec0d2006-01-23 16:12:43 -08007476 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007477 int i;
7478 u32 save;
7479
Michael Chan9f52b562008-10-09 12:21:46 -07007480 bnx2_set_power_state(bp, PCI_D0);
7481
Michael Chanb6016b72005-05-26 13:03:09 -07007482 if (data == 0)
7483 data = 2;
7484
7485 save = REG_RD(bp, BNX2_MISC_CFG);
7486 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7487
7488 for (i = 0; i < (data * 2); i++) {
7489 if ((i % 2) == 0) {
7490 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7491 }
7492 else {
7493 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7494 BNX2_EMAC_LED_1000MB_OVERRIDE |
7495 BNX2_EMAC_LED_100MB_OVERRIDE |
7496 BNX2_EMAC_LED_10MB_OVERRIDE |
7497 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7498 BNX2_EMAC_LED_TRAFFIC);
7499 }
7500 msleep_interruptible(500);
7501 if (signal_pending(current))
7502 break;
7503 }
7504 REG_WR(bp, BNX2_EMAC_LED, 0);
7505 REG_WR(bp, BNX2_MISC_CFG, save);
Michael Chan9f52b562008-10-09 12:21:46 -07007506
7507 if (!netif_running(dev))
7508 bnx2_set_power_state(bp, PCI_D3hot);
7509
Michael Chanb6016b72005-05-26 13:03:09 -07007510 return 0;
7511}
7512
Michael Chan4666f872007-05-03 13:22:28 -07007513static int
7514bnx2_set_tx_csum(struct net_device *dev, u32 data)
7515{
7516 struct bnx2 *bp = netdev_priv(dev);
7517
7518 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07007519 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07007520 else
7521 return (ethtool_op_set_tx_csum(dev, data));
7522}
7523
Jeff Garzik7282d492006-09-13 14:30:00 -04007524static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007525 .get_settings = bnx2_get_settings,
7526 .set_settings = bnx2_set_settings,
7527 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007528 .get_regs_len = bnx2_get_regs_len,
7529 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007530 .get_wol = bnx2_get_wol,
7531 .set_wol = bnx2_set_wol,
7532 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007533 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007534 .get_eeprom_len = bnx2_get_eeprom_len,
7535 .get_eeprom = bnx2_get_eeprom,
7536 .set_eeprom = bnx2_set_eeprom,
7537 .get_coalesce = bnx2_get_coalesce,
7538 .set_coalesce = bnx2_set_coalesce,
7539 .get_ringparam = bnx2_get_ringparam,
7540 .set_ringparam = bnx2_set_ringparam,
7541 .get_pauseparam = bnx2_get_pauseparam,
7542 .set_pauseparam = bnx2_set_pauseparam,
7543 .get_rx_csum = bnx2_get_rx_csum,
7544 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07007545 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07007546 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07007547 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07007548 .self_test = bnx2_self_test,
7549 .get_strings = bnx2_get_strings,
7550 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007551 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007552 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07007553};
7554
7555/* Called with rtnl_lock */
7556static int
7557bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7558{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007559 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007560 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007561 int err;
7562
7563 switch(cmd) {
7564 case SIOCGMIIPHY:
7565 data->phy_id = bp->phy_addr;
7566
7567 /* fallthru */
7568 case SIOCGMIIREG: {
7569 u32 mii_regval;
7570
Michael Chan583c28e2008-01-21 19:51:35 -08007571 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007572 return -EOPNOTSUPP;
7573
Michael Chandad3e452007-05-03 13:18:03 -07007574 if (!netif_running(dev))
7575 return -EAGAIN;
7576
Michael Chanc770a652005-08-25 15:38:39 -07007577 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007578 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007579 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007580
7581 data->val_out = mii_regval;
7582
7583 return err;
7584 }
7585
7586 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007587 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007588 return -EOPNOTSUPP;
7589
Michael Chandad3e452007-05-03 13:18:03 -07007590 if (!netif_running(dev))
7591 return -EAGAIN;
7592
Michael Chanc770a652005-08-25 15:38:39 -07007593 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007594 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007595 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007596
7597 return err;
7598
7599 default:
7600 /* do nothing */
7601 break;
7602 }
7603 return -EOPNOTSUPP;
7604}
7605
7606/* Called with rtnl_lock */
7607static int
7608bnx2_change_mac_addr(struct net_device *dev, void *p)
7609{
7610 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007611 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007612
Michael Chan73eef4c2005-08-25 15:39:15 -07007613 if (!is_valid_ether_addr(addr->sa_data))
7614 return -EINVAL;
7615
Michael Chanb6016b72005-05-26 13:03:09 -07007616 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7617 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007618 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007619
7620 return 0;
7621}
7622
7623/* Called with rtnl_lock */
7624static int
7625bnx2_change_mtu(struct net_device *dev, int new_mtu)
7626{
Michael Chan972ec0d2006-01-23 16:12:43 -08007627 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007628
7629 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7630 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7631 return -EINVAL;
7632
7633 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08007634 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07007635}
7636
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00007637#ifdef CONFIG_NET_POLL_CONTROLLER
Michael Chanb6016b72005-05-26 13:03:09 -07007638static void
7639poll_bnx2(struct net_device *dev)
7640{
Michael Chan972ec0d2006-01-23 16:12:43 -08007641 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007642 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007643
Neil Hormanb2af2c12008-11-12 16:23:44 -08007644 for (i = 0; i < bp->irq_nvecs; i++) {
7645 disable_irq(bp->irq_tbl[i].vector);
7646 bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]);
7647 enable_irq(bp->irq_tbl[i].vector);
7648 }
Michael Chanb6016b72005-05-26 13:03:09 -07007649}
7650#endif
7651
Michael Chan253c8b72007-01-08 19:56:01 -08007652static void __devinit
7653bnx2_get_5709_media(struct bnx2 *bp)
7654{
7655 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7656 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7657 u32 strap;
7658
7659 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7660 return;
7661 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007662 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007663 return;
7664 }
7665
7666 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7667 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7668 else
7669 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7670
7671 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7672 switch (strap) {
7673 case 0x4:
7674 case 0x5:
7675 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007676 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007677 return;
7678 }
7679 } else {
7680 switch (strap) {
7681 case 0x1:
7682 case 0x2:
7683 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007684 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007685 return;
7686 }
7687 }
7688}
7689
Michael Chan883e5152007-05-03 13:25:11 -07007690static void __devinit
7691bnx2_get_pci_speed(struct bnx2 *bp)
7692{
7693 u32 reg;
7694
7695 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7696 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7697 u32 clkreg;
7698
David S. Millerf86e82f2008-01-21 17:15:40 -08007699 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007700
7701 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7702
7703 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7704 switch (clkreg) {
7705 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7706 bp->bus_speed_mhz = 133;
7707 break;
7708
7709 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7710 bp->bus_speed_mhz = 100;
7711 break;
7712
7713 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7714 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7715 bp->bus_speed_mhz = 66;
7716 break;
7717
7718 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7719 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7720 bp->bus_speed_mhz = 50;
7721 break;
7722
7723 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7724 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7725 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7726 bp->bus_speed_mhz = 33;
7727 break;
7728 }
7729 }
7730 else {
7731 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7732 bp->bus_speed_mhz = 66;
7733 else
7734 bp->bus_speed_mhz = 33;
7735 }
7736
7737 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007738 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007739
7740}
7741
Michael Chan76d99062009-12-03 09:46:34 +00007742static void __devinit
7743bnx2_read_vpd_fw_ver(struct bnx2 *bp)
7744{
Matt Carlsondf25bc32010-02-26 14:04:44 +00007745 int rc, i, j;
Michael Chan76d99062009-12-03 09:46:34 +00007746 u8 *data;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007747 unsigned int block_end, rosize, len;
Michael Chan76d99062009-12-03 09:46:34 +00007748
Michael Chan012093f2009-12-03 15:58:00 -08007749#define BNX2_VPD_NVRAM_OFFSET 0x300
7750#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00007751#define BNX2_MAX_VER_SLEN 30
7752
7753 data = kmalloc(256, GFP_KERNEL);
7754 if (!data)
7755 return;
7756
Michael Chan012093f2009-12-03 15:58:00 -08007757 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
7758 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00007759 if (rc)
7760 goto vpd_done;
7761
Michael Chan012093f2009-12-03 15:58:00 -08007762 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
7763 data[i] = data[i + BNX2_VPD_LEN + 3];
7764 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
7765 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
7766 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00007767 }
7768
Matt Carlsondf25bc32010-02-26 14:04:44 +00007769 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
7770 if (i < 0)
Michael Chan76d99062009-12-03 09:46:34 +00007771 goto vpd_done;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007772
7773 rosize = pci_vpd_lrdt_size(&data[i]);
7774 i += PCI_VPD_LRDT_TAG_SIZE;
7775 block_end = i + rosize;
7776
7777 if (block_end > BNX2_VPD_LEN)
7778 goto vpd_done;
7779
7780 j = pci_vpd_find_info_keyword(data, i, rosize,
7781 PCI_VPD_RO_KEYWORD_MFR_ID);
7782 if (j < 0)
7783 goto vpd_done;
7784
7785 len = pci_vpd_info_field_size(&data[j]);
7786
7787 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7788 if (j + len > block_end || len != 4 ||
7789 memcmp(&data[j], "1028", 4))
7790 goto vpd_done;
7791
7792 j = pci_vpd_find_info_keyword(data, i, rosize,
7793 PCI_VPD_RO_KEYWORD_VENDOR0);
7794 if (j < 0)
7795 goto vpd_done;
7796
7797 len = pci_vpd_info_field_size(&data[j]);
7798
7799 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7800 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
7801 goto vpd_done;
7802
7803 memcpy(bp->fw_version, &data[j], len);
7804 bp->fw_version[len] = ' ';
Michael Chan76d99062009-12-03 09:46:34 +00007805
7806vpd_done:
7807 kfree(data);
7808}
7809
Michael Chanb6016b72005-05-26 13:03:09 -07007810static int __devinit
7811bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7812{
7813 struct bnx2 *bp;
7814 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007815 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007816 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007817 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007818
Michael Chanb6016b72005-05-26 13:03:09 -07007819 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007820 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007821
7822 bp->flags = 0;
7823 bp->phy_flags = 0;
7824
Michael Chan354fcd72010-01-17 07:30:44 +00007825 bp->temp_stats_blk =
7826 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
7827
7828 if (bp->temp_stats_blk == NULL) {
7829 rc = -ENOMEM;
7830 goto err_out;
7831 }
7832
Michael Chanb6016b72005-05-26 13:03:09 -07007833 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7834 rc = pci_enable_device(pdev);
7835 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007836 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007837 goto err_out;
7838 }
7839
7840 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf9d2006-06-27 11:39:50 -04007841 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007842 "Cannot find PCI device base address, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007843 rc = -ENODEV;
7844 goto err_out_disable;
7845 }
7846
7847 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7848 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007849 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007850 goto err_out_disable;
7851 }
7852
7853 pci_set_master(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007854 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007855
7856 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7857 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf9d2006-06-27 11:39:50 -04007858 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007859 "Cannot find power management capability, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007860 rc = -EIO;
7861 goto err_out_release;
7862 }
7863
Michael Chanb6016b72005-05-26 13:03:09 -07007864 bp->dev = dev;
7865 bp->pdev = pdev;
7866
7867 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007868 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00007869#ifdef BCM_CNIC
7870 mutex_init(&bp->cnic_lock);
7871#endif
David Howellsc4028952006-11-22 14:57:56 +00007872 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007873
7874 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan4edd4732009-06-08 18:14:42 -07007875 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007876 dev->mem_end = dev->mem_start + mem_len;
7877 dev->irq = pdev->irq;
7878
7879 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7880
7881 if (!bp->regview) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007882 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007883 rc = -ENOMEM;
7884 goto err_out_release;
7885 }
7886
7887 /* Configure byte swap and enable write to the reg_window registers.
7888 * Rely on CPU to do target byte swapping on big endian systems
7889 * The chip's target access swapping will not swap all accesses
7890 */
7891 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7892 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7893 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7894
Pavel Machek829ca9a2005-09-03 15:56:56 -07007895 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007896
7897 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7898
Michael Chan883e5152007-05-03 13:25:11 -07007899 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7900 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7901 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007902 "Cannot find PCIE capability, aborting\n");
Michael Chan883e5152007-05-03 13:25:11 -07007903 rc = -EIO;
7904 goto err_out_unmap;
7905 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007906 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007907 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007908 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007909 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007910 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7911 if (bp->pcix_cap == 0) {
7912 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007913 "Cannot find PCIX capability, aborting\n");
Michael Chan59b47d82006-11-19 14:10:45 -08007914 rc = -EIO;
7915 goto err_out_unmap;
7916 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00007917 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08007918 }
7919
Michael Chanb4b36042007-12-20 19:59:30 -08007920 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7921 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007922 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007923 }
7924
Michael Chan8e6a72c2007-05-03 13:24:48 -07007925 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7926 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007927 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007928 }
7929
Michael Chan40453c82007-05-03 13:19:18 -07007930 /* 5708 cannot support DMA addresses > 40-bit. */
7931 if (CHIP_NUM(bp) == CHIP_NUM_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07007932 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07007933 else
Yang Hongyang6a355282009-04-06 19:01:13 -07007934 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07007935
7936 /* Configure DMA attributes. */
7937 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7938 dev->features |= NETIF_F_HIGHDMA;
7939 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7940 if (rc) {
7941 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007942 "pci_set_consistent_dma_mask failed, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07007943 goto err_out_unmap;
7944 }
Yang Hongyang284901a92009-04-06 19:01:15 -07007945 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007946 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07007947 goto err_out_unmap;
7948 }
7949
David S. Millerf86e82f2008-01-21 17:15:40 -08007950 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007951 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007952
7953 /* 5706A0 may falsely detect SERR and PERR. */
7954 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7955 reg = REG_RD(bp, PCI_COMMAND);
7956 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7957 REG_WR(bp, PCI_COMMAND, reg);
7958 }
7959 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007960 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007961
Jeff Garzik9b91cf9d2006-06-27 11:39:50 -04007962 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007963 "5706 A1 can only be used in a PCIX bus, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007964 goto err_out_unmap;
7965 }
7966
7967 bnx2_init_nvram(bp);
7968
Michael Chan2726d6e2008-01-29 21:35:05 -08007969 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007970
7971 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007972 BNX2_SHM_HDR_SIGNATURE_SIG) {
7973 u32 off = PCI_FUNC(pdev->devfn) << 2;
7974
Michael Chan2726d6e2008-01-29 21:35:05 -08007975 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007976 } else
Michael Chane3648b32005-11-04 08:51:21 -08007977 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7978
Michael Chanb6016b72005-05-26 13:03:09 -07007979 /* Get the permanent MAC address. First we need to make sure the
7980 * firmware is actually running.
7981 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007982 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007983
7984 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7985 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007986 dev_err(&pdev->dev, "Firmware not running, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007987 rc = -ENODEV;
7988 goto err_out_unmap;
7989 }
7990
Michael Chan76d99062009-12-03 09:46:34 +00007991 bnx2_read_vpd_fw_ver(bp);
7992
7993 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08007994 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00007995 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07007996 u8 num, k, skip0;
7997
Michael Chan76d99062009-12-03 09:46:34 +00007998 if (i == 0) {
7999 bp->fw_version[j++] = 'b';
8000 bp->fw_version[j++] = 'c';
8001 bp->fw_version[j++] = ' ';
8002 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07008003 num = (u8) (reg >> (24 - (i * 8)));
8004 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8005 if (num >= k || !skip0 || k == 1) {
8006 bp->fw_version[j++] = (num / k) + '0';
8007 skip0 = 0;
8008 }
8009 }
8010 if (i != 2)
8011 bp->fw_version[j++] = '.';
8012 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008013 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008014 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8015 bp->wol = 1;
8016
8017 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008018 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008019
8020 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008021 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008022 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8023 break;
8024 msleep(10);
8025 }
8026 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008027 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008028 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8029 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8030 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008031 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008032
Michael Chan76d99062009-12-03 09:46:34 +00008033 if (j < 32)
8034 bp->fw_version[j++] = ' ';
8035 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008036 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008037 reg = swab32(reg);
8038 memcpy(&bp->fw_version[j], &reg, 4);
8039 j += 4;
8040 }
8041 }
Michael Chanb6016b72005-05-26 13:03:09 -07008042
Michael Chan2726d6e2008-01-29 21:35:05 -08008043 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008044 bp->mac_addr[0] = (u8) (reg >> 8);
8045 bp->mac_addr[1] = (u8) reg;
8046
Michael Chan2726d6e2008-01-29 21:35:05 -08008047 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008048 bp->mac_addr[2] = (u8) (reg >> 24);
8049 bp->mac_addr[3] = (u8) (reg >> 16);
8050 bp->mac_addr[4] = (u8) (reg >> 8);
8051 bp->mac_addr[5] = (u8) reg;
8052
8053 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008054 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008055
8056 bp->rx_csum = 1;
8057
Michael Chancf7474a2009-08-21 16:20:48 +00008058 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008059 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008060 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008061 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008062
Michael Chancf7474a2009-08-21 16:20:48 +00008063 bp->rx_quick_cons_trip_int = 2;
8064 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008065 bp->rx_ticks_int = 18;
8066 bp->rx_ticks = 18;
8067
Michael Chan7ea69202007-07-16 18:27:10 -07008068 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008069
Benjamin Liac392ab2008-09-18 16:40:49 -07008070 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008071
Michael Chan5b0c76a2005-11-04 08:45:49 -08008072 bp->phy_addr = 1;
8073
Michael Chanb6016b72005-05-26 13:03:09 -07008074 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08008075 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8076 bnx2_get_5709_media(bp);
8077 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008078 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008079
Michael Chan0d8a6572007-07-07 22:49:43 -07008080 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008081 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008082 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008083 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008084 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008085 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008086 bp->wol = 0;
8087 }
Michael Chan38ea3682008-02-23 19:48:57 -08008088 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
8089 /* Don't do parallel detect on this board because of
8090 * some board problems. The link will not go down
8091 * if we do parallel detect.
8092 */
8093 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8094 pdev->subsystem_device == 0x310c)
8095 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8096 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008097 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008098 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008099 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008100 }
Michael Chan261dd5c2007-01-08 19:55:46 -08008101 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
8102 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008103 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08008104 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
8105 (CHIP_REV(bp) == CHIP_REV_Ax ||
8106 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008107 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008108
Michael Chan7c62e832008-07-14 22:39:03 -07008109 bnx2_init_fw_cap(bp);
8110
Michael Chan16088272006-06-12 22:16:43 -07008111 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
8112 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan5ec6d7b2008-11-12 16:01:41 -08008113 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
8114 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008115 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008116 bp->wol = 0;
8117 }
Michael Chandda1e392006-01-23 16:08:14 -08008118
Michael Chanb6016b72005-05-26 13:03:09 -07008119 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8120 bp->tx_quick_cons_trip_int =
8121 bp->tx_quick_cons_trip;
8122 bp->tx_ticks_int = bp->tx_ticks;
8123 bp->rx_quick_cons_trip_int =
8124 bp->rx_quick_cons_trip;
8125 bp->rx_ticks_int = bp->rx_ticks;
8126 bp->comp_prod_trip_int = bp->comp_prod_trip;
8127 bp->com_ticks_int = bp->com_ticks;
8128 bp->cmd_ticks_int = bp->cmd_ticks;
8129 }
8130
Michael Chanf9317a42006-09-29 17:06:23 -07008131 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8132 *
8133 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8134 * with byte enables disabled on the unused 32-bit word. This is legal
8135 * but causes problems on the AMD 8132 which will eventually stop
8136 * responding after a while.
8137 *
8138 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008139 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008140 */
8141 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
8142 struct pci_dev *amd_8132 = NULL;
8143
8144 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8145 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8146 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008147
Auke Kok44c10132007-06-08 15:46:36 -07008148 if (amd_8132->revision >= 0x10 &&
8149 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008150 disable_msi = 1;
8151 pci_dev_put(amd_8132);
8152 break;
8153 }
8154 }
8155 }
8156
Michael Chandeaf3912007-07-07 22:48:00 -07008157 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008158 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8159
Michael Chancd339a02005-08-25 15:35:24 -07008160 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008161 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008162 bp->timer.data = (unsigned long) bp;
8163 bp->timer.function = bnx2_timer;
8164
Michael Chanb6016b72005-05-26 13:03:09 -07008165 return 0;
8166
8167err_out_unmap:
8168 if (bp->regview) {
8169 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07008170 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008171 }
8172
8173err_out_release:
8174 pci_release_regions(pdev);
8175
8176err_out_disable:
8177 pci_disable_device(pdev);
8178 pci_set_drvdata(pdev, NULL);
8179
8180err_out:
8181 return rc;
8182}
8183
Michael Chan883e5152007-05-03 13:25:11 -07008184static char * __devinit
8185bnx2_bus_string(struct bnx2 *bp, char *str)
8186{
8187 char *s = str;
8188
David S. Millerf86e82f2008-01-21 17:15:40 -08008189 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008190 s += sprintf(s, "PCI Express");
8191 } else {
8192 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008193 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008194 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008195 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008196 s += sprintf(s, " 32-bit");
8197 else
8198 s += sprintf(s, " 64-bit");
8199 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8200 }
8201 return str;
8202}
8203
Michael Chan2ba582b2007-12-21 15:04:49 -08008204static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08008205bnx2_init_napi(struct bnx2 *bp)
8206{
Michael Chanb4b36042007-12-20 19:59:30 -08008207 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008208
Michael Chanb4b36042007-12-20 19:59:30 -08008209 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008210 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8211 int (*poll)(struct napi_struct *, int);
8212
8213 if (i == 0)
8214 poll = bnx2_poll;
8215 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008216 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008217
8218 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008219 bnapi->bp = bp;
8220 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008221}
8222
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008223static const struct net_device_ops bnx2_netdev_ops = {
8224 .ndo_open = bnx2_open,
8225 .ndo_start_xmit = bnx2_start_xmit,
8226 .ndo_stop = bnx2_close,
8227 .ndo_get_stats = bnx2_get_stats,
8228 .ndo_set_rx_mode = bnx2_set_rx_mode,
8229 .ndo_do_ioctl = bnx2_ioctl,
8230 .ndo_validate_addr = eth_validate_addr,
8231 .ndo_set_mac_address = bnx2_change_mac_addr,
8232 .ndo_change_mtu = bnx2_change_mtu,
8233 .ndo_tx_timeout = bnx2_tx_timeout,
8234#ifdef BCM_VLAN
8235 .ndo_vlan_rx_register = bnx2_vlan_rx_register,
8236#endif
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008237#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008238 .ndo_poll_controller = poll_bnx2,
8239#endif
8240};
8241
Eric Dumazet72dccb02009-07-23 02:01:38 +00008242static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
8243{
8244#ifdef BCM_VLAN
8245 dev->vlan_features |= flags;
8246#endif
8247}
8248
Michael Chan35efa7c2007-12-20 19:56:37 -08008249static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07008250bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8251{
8252 static int version_printed = 0;
8253 struct net_device *dev = NULL;
8254 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008255 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008256 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008257
8258 if (version_printed++ == 0)
Joe Perches3a9c6a42010-02-17 15:01:51 +00008259 pr_info("%s", version);
Michael Chanb6016b72005-05-26 13:03:09 -07008260
8261 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008262 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008263
8264 if (!dev)
8265 return -ENOMEM;
8266
8267 rc = bnx2_init_board(pdev, dev);
8268 if (rc < 0) {
8269 free_netdev(dev);
8270 return rc;
8271 }
8272
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008273 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008274 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008275 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008276
Michael Chan972ec0d2006-01-23 16:12:43 -08008277 bp = netdev_priv(dev);
Michael Chan35efa7c2007-12-20 19:56:37 -08008278 bnx2_init_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008279
Michael Chan1b2f9222007-05-03 13:20:19 -07008280 pci_set_drvdata(pdev, dev);
8281
Michael Chan57579f72009-04-04 16:51:14 -07008282 rc = bnx2_request_firmware(bp);
8283 if (rc)
8284 goto error;
8285
Michael Chan1b2f9222007-05-03 13:20:19 -07008286 memcpy(dev->dev_addr, bp->mac_addr, 6);
8287 memcpy(dev->perm_addr, bp->mac_addr, 6);
Michael Chan1b2f9222007-05-03 13:20:19 -07008288
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008289 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008290 vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
8291 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008292 dev->features |= NETIF_F_IPV6_CSUM;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008293 vlan_features_add(dev, NETIF_F_IPV6_CSUM);
8294 }
Michael Chan1b2f9222007-05-03 13:20:19 -07008295#ifdef BCM_VLAN
8296 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
8297#endif
8298 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008299 vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
8300 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Michael Chan4666f872007-05-03 13:22:28 -07008301 dev->features |= NETIF_F_TSO6;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008302 vlan_features_add(dev, NETIF_F_TSO6);
8303 }
Michael Chanb6016b72005-05-26 13:03:09 -07008304 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf9d2006-06-27 11:39:50 -04008305 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008306 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008307 }
8308
Joe Perches3a9c6a42010-02-17 15:01:51 +00008309 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n",
8310 board_info[ent->driver_data].name,
8311 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8312 ((CHIP_ID(bp) & 0x0ff0) >> 4),
8313 bnx2_bus_string(bp, str),
8314 dev->base_addr,
8315 bp->pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008316
Michael Chanb6016b72005-05-26 13:03:09 -07008317 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008318
8319error:
8320 if (bp->mips_firmware)
8321 release_firmware(bp->mips_firmware);
8322 if (bp->rv2p_firmware)
8323 release_firmware(bp->rv2p_firmware);
8324
8325 if (bp->regview)
8326 iounmap(bp->regview);
8327 pci_release_regions(pdev);
8328 pci_disable_device(pdev);
8329 pci_set_drvdata(pdev, NULL);
8330 free_netdev(dev);
8331 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008332}
8333
8334static void __devexit
8335bnx2_remove_one(struct pci_dev *pdev)
8336{
8337 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008338 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008339
Michael Chanafdc08b2005-08-25 15:34:29 -07008340 flush_scheduled_work();
8341
Michael Chanb6016b72005-05-26 13:03:09 -07008342 unregister_netdev(dev);
8343
Michael Chan57579f72009-04-04 16:51:14 -07008344 if (bp->mips_firmware)
8345 release_firmware(bp->mips_firmware);
8346 if (bp->rv2p_firmware)
8347 release_firmware(bp->rv2p_firmware);
8348
Michael Chanb6016b72005-05-26 13:03:09 -07008349 if (bp->regview)
8350 iounmap(bp->regview);
8351
Michael Chan354fcd72010-01-17 07:30:44 +00008352 kfree(bp->temp_stats_blk);
8353
Michael Chanb6016b72005-05-26 13:03:09 -07008354 free_netdev(dev);
8355 pci_release_regions(pdev);
8356 pci_disable_device(pdev);
8357 pci_set_drvdata(pdev, NULL);
8358}
8359
8360static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07008361bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07008362{
8363 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008364 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008365
Michael Chan6caebb02007-08-03 20:57:25 -07008366 /* PCI register 4 needs to be saved whether netif_running() or not.
8367 * MSI address and data need to be saved if using MSI and
8368 * netif_running().
8369 */
8370 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008371 if (!netif_running(dev))
8372 return 0;
8373
Michael Chan1d60290f2006-03-20 17:50:08 -08008374 flush_scheduled_work();
Michael Chanb6016b72005-05-26 13:03:09 -07008375 bnx2_netif_stop(bp);
8376 netif_device_detach(dev);
8377 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07008378 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008379 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07008380 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07008381 return 0;
8382}
8383
8384static int
8385bnx2_resume(struct pci_dev *pdev)
8386{
8387 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008388 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008389
Michael Chan6caebb02007-08-03 20:57:25 -07008390 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008391 if (!netif_running(dev))
8392 return 0;
8393
Pavel Machek829ca9a2005-09-03 15:56:56 -07008394 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008395 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07008396 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07008397 bnx2_netif_start(bp);
8398 return 0;
8399}
8400
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008401/**
8402 * bnx2_io_error_detected - called when PCI error is detected
8403 * @pdev: Pointer to PCI device
8404 * @state: The current pci connection state
8405 *
8406 * This function is called after a PCI bus error affecting
8407 * this device has been detected.
8408 */
8409static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8410 pci_channel_state_t state)
8411{
8412 struct net_device *dev = pci_get_drvdata(pdev);
8413 struct bnx2 *bp = netdev_priv(dev);
8414
8415 rtnl_lock();
8416 netif_device_detach(dev);
8417
Dean Nelson2ec3de22009-07-31 09:13:18 +00008418 if (state == pci_channel_io_perm_failure) {
8419 rtnl_unlock();
8420 return PCI_ERS_RESULT_DISCONNECT;
8421 }
8422
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008423 if (netif_running(dev)) {
8424 bnx2_netif_stop(bp);
8425 del_timer_sync(&bp->timer);
8426 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8427 }
8428
8429 pci_disable_device(pdev);
8430 rtnl_unlock();
8431
8432 /* Request a slot slot reset. */
8433 return PCI_ERS_RESULT_NEED_RESET;
8434}
8435
8436/**
8437 * bnx2_io_slot_reset - called after the pci bus has been reset.
8438 * @pdev: Pointer to PCI device
8439 *
8440 * Restart the card from scratch, as if from a cold-boot.
8441 */
8442static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8443{
8444 struct net_device *dev = pci_get_drvdata(pdev);
8445 struct bnx2 *bp = netdev_priv(dev);
8446
8447 rtnl_lock();
8448 if (pci_enable_device(pdev)) {
8449 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008450 "Cannot re-enable PCI device after reset\n");
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008451 rtnl_unlock();
8452 return PCI_ERS_RESULT_DISCONNECT;
8453 }
8454 pci_set_master(pdev);
8455 pci_restore_state(pdev);
Breno Leitao529fab62009-11-26 07:31:49 +00008456 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008457
8458 if (netif_running(dev)) {
8459 bnx2_set_power_state(bp, PCI_D0);
8460 bnx2_init_nic(bp, 1);
8461 }
8462
8463 rtnl_unlock();
8464 return PCI_ERS_RESULT_RECOVERED;
8465}
8466
8467/**
8468 * bnx2_io_resume - called when traffic can start flowing again.
8469 * @pdev: Pointer to PCI device
8470 *
8471 * This callback is called when the error recovery driver tells us that
8472 * its OK to resume normal operation.
8473 */
8474static void bnx2_io_resume(struct pci_dev *pdev)
8475{
8476 struct net_device *dev = pci_get_drvdata(pdev);
8477 struct bnx2 *bp = netdev_priv(dev);
8478
8479 rtnl_lock();
8480 if (netif_running(dev))
8481 bnx2_netif_start(bp);
8482
8483 netif_device_attach(dev);
8484 rtnl_unlock();
8485}
8486
8487static struct pci_error_handlers bnx2_err_handler = {
8488 .error_detected = bnx2_io_error_detected,
8489 .slot_reset = bnx2_io_slot_reset,
8490 .resume = bnx2_io_resume,
8491};
8492
Michael Chanb6016b72005-05-26 13:03:09 -07008493static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008494 .name = DRV_MODULE_NAME,
8495 .id_table = bnx2_pci_tbl,
8496 .probe = bnx2_init_one,
8497 .remove = __devexit_p(bnx2_remove_one),
8498 .suspend = bnx2_suspend,
8499 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008500 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07008501};
8502
8503static int __init bnx2_init(void)
8504{
Jeff Garzik29917622006-08-19 17:48:59 -04008505 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07008506}
8507
8508static void __exit bnx2_cleanup(void)
8509{
8510 pci_unregister_driver(&bnx2_pci_driver);
8511}
8512
8513module_init(bnx2_init);
8514module_exit(bnx2_cleanup);
8515
8516
8517