blob: 188e356c30a30e005a69eaf05997ea57fdae880e [file] [log] [blame]
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 Chana931d292010-05-17 17:33:31 -070061#define DRV_MODULE_VERSION "2.0.15"
62#define DRV_MODULE_RELDATE "May 4, 2010"
Michael Chanbec92042010-02-16 15:19:42 -080063#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 Chana931d292010-05-17 17:33:31 -070065#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-5.0.0.j15.fw"
Michael Chanbec92042010-02-16 15:19:42 -080066#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
Benjamin Li4327ba42010-03-23 13:13:11 +0000249static void bnx2_init_napi(struct bnx2 *bp);
250
Michael Chan35e90102008-06-19 16:37:42 -0700251static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
Michael Chane89bbf12005-08-25 15:36:58 -0700252{
Michael Chan2f8af122006-08-15 01:39:10 -0700253 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700254
Michael Chan2f8af122006-08-15 01:39:10 -0700255 smp_mb();
Michael Chanfaac9c42006-12-14 15:56:32 -0800256
257 /* The ring uses 256 indices for 255 entries, one of them
258 * needs to be skipped.
259 */
Michael Chan35e90102008-06-19 16:37:42 -0700260 diff = txr->tx_prod - txr->tx_cons;
Michael Chanfaac9c42006-12-14 15:56:32 -0800261 if (unlikely(diff >= TX_DESC_CNT)) {
262 diff &= 0xffff;
263 if (diff == TX_DESC_CNT)
264 diff = MAX_TX_DESC_CNT;
265 }
Michael Chane89bbf12005-08-25 15:36:58 -0700266 return (bp->tx_ring_size - diff);
267}
268
Michael Chanb6016b72005-05-26 13:03:09 -0700269static u32
270bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
271{
Michael Chan1b8227c2007-05-03 13:24:05 -0700272 u32 val;
273
274 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700275 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
Michael Chan1b8227c2007-05-03 13:24:05 -0700276 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
277 spin_unlock_bh(&bp->indirect_lock);
278 return val;
Michael Chanb6016b72005-05-26 13:03:09 -0700279}
280
281static void
282bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
283{
Michael Chan1b8227c2007-05-03 13:24:05 -0700284 spin_lock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700285 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
286 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
Michael Chan1b8227c2007-05-03 13:24:05 -0700287 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700288}
289
290static void
Michael Chan2726d6e2008-01-29 21:35:05 -0800291bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
292{
293 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
294}
295
296static u32
297bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
298{
299 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
300}
301
302static void
Michael Chanb6016b72005-05-26 13:03:09 -0700303bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
304{
305 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700306 spin_lock_bh(&bp->indirect_lock);
Michael Chan59b47d82006-11-19 14:10:45 -0800307 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
308 int i;
309
310 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
311 REG_WR(bp, BNX2_CTX_CTX_CTRL,
312 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
313 for (i = 0; i < 5; i++) {
Michael Chan59b47d82006-11-19 14:10:45 -0800314 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
315 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
316 break;
317 udelay(5);
318 }
319 } else {
320 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
321 REG_WR(bp, BNX2_CTX_DATA, val);
322 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700323 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700324}
325
Michael Chan4edd4732009-06-08 18:14:42 -0700326#ifdef BCM_CNIC
327static int
328bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
329{
330 struct bnx2 *bp = netdev_priv(dev);
331 struct drv_ctl_io *io = &info->data.io;
332
333 switch (info->cmd) {
334 case DRV_CTL_IO_WR_CMD:
335 bnx2_reg_wr_ind(bp, io->offset, io->data);
336 break;
337 case DRV_CTL_IO_RD_CMD:
338 io->data = bnx2_reg_rd_ind(bp, io->offset);
339 break;
340 case DRV_CTL_CTX_WR_CMD:
341 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
342 break;
343 default:
344 return -EINVAL;
345 }
346 return 0;
347}
348
349static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
350{
351 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
352 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
353 int sb_id;
354
355 if (bp->flags & BNX2_FLAG_USING_MSIX) {
356 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
357 bnapi->cnic_present = 0;
358 sb_id = bp->irq_nvecs;
359 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
360 } else {
361 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
362 bnapi->cnic_tag = bnapi->last_status_idx;
363 bnapi->cnic_present = 1;
364 sb_id = 0;
365 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
366 }
367
368 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
369 cp->irq_arr[0].status_blk = (void *)
370 ((unsigned long) bnapi->status_blk.msi +
371 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
372 cp->irq_arr[0].status_blk_num = sb_id;
373 cp->num_irq = 1;
374}
375
376static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
377 void *data)
378{
379 struct bnx2 *bp = netdev_priv(dev);
380 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
381
382 if (ops == NULL)
383 return -EINVAL;
384
385 if (cp->drv_state & CNIC_DRV_STATE_REGD)
386 return -EBUSY;
387
388 bp->cnic_data = data;
389 rcu_assign_pointer(bp->cnic_ops, ops);
390
391 cp->num_irq = 0;
392 cp->drv_state = CNIC_DRV_STATE_REGD;
393
394 bnx2_setup_cnic_irq_info(bp);
395
396 return 0;
397}
398
399static int bnx2_unregister_cnic(struct net_device *dev)
400{
401 struct bnx2 *bp = netdev_priv(dev);
402 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
403 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
404
Michael Chanc5a88952009-08-14 15:49:45 +0000405 mutex_lock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700406 cp->drv_state = 0;
407 bnapi->cnic_present = 0;
408 rcu_assign_pointer(bp->cnic_ops, NULL);
Michael Chanc5a88952009-08-14 15:49:45 +0000409 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700410 synchronize_rcu();
411 return 0;
412}
413
414struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
415{
416 struct bnx2 *bp = netdev_priv(dev);
417 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
418
419 cp->drv_owner = THIS_MODULE;
420 cp->chip_id = bp->chip_id;
421 cp->pdev = bp->pdev;
422 cp->io_base = bp->regview;
423 cp->drv_ctl = bnx2_drv_ctl;
424 cp->drv_register_cnic = bnx2_register_cnic;
425 cp->drv_unregister_cnic = bnx2_unregister_cnic;
426
427 return cp;
428}
429EXPORT_SYMBOL(bnx2_cnic_probe);
430
431static void
432bnx2_cnic_stop(struct bnx2 *bp)
433{
434 struct cnic_ops *c_ops;
435 struct cnic_ctl_info info;
436
Michael Chanc5a88952009-08-14 15:49:45 +0000437 mutex_lock(&bp->cnic_lock);
438 c_ops = bp->cnic_ops;
Michael Chan4edd4732009-06-08 18:14:42 -0700439 if (c_ops) {
440 info.cmd = CNIC_CTL_STOP_CMD;
441 c_ops->cnic_ctl(bp->cnic_data, &info);
442 }
Michael Chanc5a88952009-08-14 15:49:45 +0000443 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700444}
445
446static void
447bnx2_cnic_start(struct bnx2 *bp)
448{
449 struct cnic_ops *c_ops;
450 struct cnic_ctl_info info;
451
Michael Chanc5a88952009-08-14 15:49:45 +0000452 mutex_lock(&bp->cnic_lock);
453 c_ops = bp->cnic_ops;
Michael Chan4edd4732009-06-08 18:14:42 -0700454 if (c_ops) {
455 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
456 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
457
458 bnapi->cnic_tag = bnapi->last_status_idx;
459 }
460 info.cmd = CNIC_CTL_START_CMD;
461 c_ops->cnic_ctl(bp->cnic_data, &info);
462 }
Michael Chanc5a88952009-08-14 15:49:45 +0000463 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700464}
465
466#else
467
468static void
469bnx2_cnic_stop(struct bnx2 *bp)
470{
471}
472
473static void
474bnx2_cnic_start(struct bnx2 *bp)
475{
476}
477
478#endif
479
Michael Chanb6016b72005-05-26 13:03:09 -0700480static int
481bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
482{
483 u32 val1;
484 int i, ret;
485
Michael Chan583c28e2008-01-21 19:51:35 -0800486 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700487 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
488 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
489
490 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
491 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
492
493 udelay(40);
494 }
495
496 val1 = (bp->phy_addr << 21) | (reg << 16) |
497 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
498 BNX2_EMAC_MDIO_COMM_START_BUSY;
499 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
500
501 for (i = 0; i < 50; i++) {
502 udelay(10);
503
504 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
505 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
506 udelay(5);
507
508 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
509 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
510
511 break;
512 }
513 }
514
515 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
516 *val = 0x0;
517 ret = -EBUSY;
518 }
519 else {
520 *val = val1;
521 ret = 0;
522 }
523
Michael Chan583c28e2008-01-21 19:51:35 -0800524 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700525 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
526 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
527
528 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
529 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
530
531 udelay(40);
532 }
533
534 return ret;
535}
536
537static int
538bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
539{
540 u32 val1;
541 int i, ret;
542
Michael Chan583c28e2008-01-21 19:51:35 -0800543 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700544 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
545 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
546
547 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
548 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
549
550 udelay(40);
551 }
552
553 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
554 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
555 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
556 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400557
Michael Chanb6016b72005-05-26 13:03:09 -0700558 for (i = 0; i < 50; i++) {
559 udelay(10);
560
561 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
562 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
563 udelay(5);
564 break;
565 }
566 }
567
568 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
569 ret = -EBUSY;
570 else
571 ret = 0;
572
Michael Chan583c28e2008-01-21 19:51:35 -0800573 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700574 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
575 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
576
577 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
578 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
579
580 udelay(40);
581 }
582
583 return ret;
584}
585
586static void
587bnx2_disable_int(struct bnx2 *bp)
588{
Michael Chanb4b36042007-12-20 19:59:30 -0800589 int i;
590 struct bnx2_napi *bnapi;
591
592 for (i = 0; i < bp->irq_nvecs; i++) {
593 bnapi = &bp->bnx2_napi[i];
594 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
595 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
596 }
Michael Chanb6016b72005-05-26 13:03:09 -0700597 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
598}
599
600static void
601bnx2_enable_int(struct bnx2 *bp)
602{
Michael Chanb4b36042007-12-20 19:59:30 -0800603 int i;
604 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800605
Michael Chanb4b36042007-12-20 19:59:30 -0800606 for (i = 0; i < bp->irq_nvecs; i++) {
607 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800608
Michael Chanb4b36042007-12-20 19:59:30 -0800609 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
610 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
611 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
612 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700613
Michael Chanb4b36042007-12-20 19:59:30 -0800614 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
615 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
616 bnapi->last_status_idx);
617 }
Michael Chanbf5295b2006-03-23 01:11:56 -0800618 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700619}
620
621static void
622bnx2_disable_int_sync(struct bnx2 *bp)
623{
Michael Chanb4b36042007-12-20 19:59:30 -0800624 int i;
625
Michael Chanb6016b72005-05-26 13:03:09 -0700626 atomic_inc(&bp->intr_sem);
Michael Chan37675462009-08-21 16:20:44 +0000627 if (!netif_running(bp->dev))
628 return;
629
Michael Chanb6016b72005-05-26 13:03:09 -0700630 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800631 for (i = 0; i < bp->irq_nvecs; i++)
632 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700633}
634
635static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800636bnx2_napi_disable(struct bnx2 *bp)
637{
Michael Chanb4b36042007-12-20 19:59:30 -0800638 int i;
639
640 for (i = 0; i < bp->irq_nvecs; i++)
641 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800642}
643
644static void
645bnx2_napi_enable(struct bnx2 *bp)
646{
Michael Chanb4b36042007-12-20 19:59:30 -0800647 int i;
648
649 for (i = 0; i < bp->irq_nvecs; i++)
650 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800651}
652
653static void
Michael Chan212f9932010-04-27 11:28:10 +0000654bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700655{
Michael Chan212f9932010-04-27 11:28:10 +0000656 if (stop_cnic)
657 bnx2_cnic_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700658 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800659 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700660 netif_tx_disable(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -0700661 }
Michael Chanb7466562009-12-20 18:40:18 -0800662 bnx2_disable_int_sync(bp);
Michael Chana0ba6762010-05-17 17:34:43 -0700663 netif_carrier_off(bp->dev); /* prevent tx timeout */
Michael Chanb6016b72005-05-26 13:03:09 -0700664}
665
666static void
Michael Chan212f9932010-04-27 11:28:10 +0000667bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700668{
669 if (atomic_dec_and_test(&bp->intr_sem)) {
670 if (netif_running(bp->dev)) {
Benjamin Li706bf242008-07-18 17:55:11 -0700671 netif_tx_wake_all_queues(bp->dev);
Michael Chana0ba6762010-05-17 17:34:43 -0700672 spin_lock_bh(&bp->phy_lock);
673 if (bp->link_up)
674 netif_carrier_on(bp->dev);
675 spin_unlock_bh(&bp->phy_lock);
Michael Chan35efa7c2007-12-20 19:56:37 -0800676 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700677 bnx2_enable_int(bp);
Michael Chan212f9932010-04-27 11:28:10 +0000678 if (start_cnic)
679 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 Dumazetc70798572009-11-02 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 Dumazetc70798572009-11-02 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;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002671 dma_unmap_addr_set(rx_pg, mapping, mapping);
Michael Chan47bf4242007-12-12 11:19:12 -08002672 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
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002686 pci_unmap_page(bp->pdev, dma_unmap_addr(rx_pg, mapping), PAGE_SIZE,
Michael Chan47bf4242007-12-12 11:19:12 -08002687 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;
Michael Chana33fa662010-05-06 08:58:13 +00002718 rx_buf->desc = (struct l2_fhdr *) skb->data;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002719 dma_unmap_addr_set(rx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07002720
2721 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2722 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2723
Michael Chanbb4f98a2008-06-19 16:38:19 -07002724 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002725
2726 return 0;
2727}
2728
Michael Chanda3e4fb2007-05-03 13:24:23 -07002729static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002730bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002731{
Michael Chan43e80b82008-06-19 16:41:08 -07002732 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002733 u32 new_link_state, old_link_state;
2734 int is_set = 1;
2735
2736 new_link_state = sblk->status_attn_bits & event;
2737 old_link_state = sblk->status_attn_bits_ack & event;
2738 if (new_link_state != old_link_state) {
2739 if (new_link_state)
2740 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2741 else
2742 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2743 } else
2744 is_set = 0;
2745
2746 return is_set;
2747}
2748
Michael Chanb6016b72005-05-26 13:03:09 -07002749static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002750bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002751{
Michael Chan74ecc622008-05-02 16:56:16 -07002752 spin_lock(&bp->phy_lock);
2753
2754 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002755 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002756 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002757 bnx2_set_remote_link(bp);
2758
Michael Chan74ecc622008-05-02 16:56:16 -07002759 spin_unlock(&bp->phy_lock);
2760
Michael Chanb6016b72005-05-26 13:03:09 -07002761}
2762
Michael Chanead72702007-12-20 19:55:39 -08002763static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002764bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002765{
2766 u16 cons;
2767
Michael Chan43e80b82008-06-19 16:41:08 -07002768 /* Tell compiler that status block fields can change. */
2769 barrier();
2770 cons = *bnapi->hw_tx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07002771 barrier();
Michael Chanead72702007-12-20 19:55:39 -08002772 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2773 cons++;
2774 return cons;
2775}
2776
Michael Chan57851d82007-12-20 20:01:44 -08002777static int
2778bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002779{
Michael Chan35e90102008-06-19 16:37:42 -07002780 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002781 u16 hw_cons, sw_cons, sw_ring_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002782 int tx_pkt = 0, index;
2783 struct netdev_queue *txq;
2784
2785 index = (bnapi - bp->bnx2_napi);
2786 txq = netdev_get_tx_queue(bp->dev, index);
Michael Chanb6016b72005-05-26 13:03:09 -07002787
Michael Chan35efa7c2007-12-20 19:56:37 -08002788 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002789 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002790
2791 while (sw_cons != hw_cons) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002792 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07002793 struct sk_buff *skb;
2794 int i, last;
2795
2796 sw_ring_cons = TX_RING_IDX(sw_cons);
2797
Michael Chan35e90102008-06-19 16:37:42 -07002798 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002799 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002800
Eric Dumazetd62fda02009-05-12 20:48:02 +00002801 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2802 prefetch(&skb->end);
2803
Michael Chanb6016b72005-05-26 13:03:09 -07002804 /* partial BD completions possible with TSO packets */
Eric Dumazetd62fda02009-05-12 20:48:02 +00002805 if (tx_buf->is_gso) {
Michael Chanb6016b72005-05-26 13:03:09 -07002806 u16 last_idx, last_ring_idx;
2807
Eric Dumazetd62fda02009-05-12 20:48:02 +00002808 last_idx = sw_cons + tx_buf->nr_frags + 1;
2809 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
Michael Chanb6016b72005-05-26 13:03:09 -07002810 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2811 last_idx++;
2812 }
2813 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2814 break;
2815 }
2816 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002817
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002818 pci_unmap_single(bp->pdev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00002819 skb_headlen(skb), PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002820
2821 tx_buf->skb = NULL;
Eric Dumazetd62fda02009-05-12 20:48:02 +00002822 last = tx_buf->nr_frags;
Michael Chanb6016b72005-05-26 13:03:09 -07002823
2824 for (i = 0; i < last; i++) {
2825 sw_cons = NEXT_TX_BD(sw_cons);
Alexander Duycke95524a2009-12-02 16:47:57 +00002826
2827 pci_unmap_page(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002828 dma_unmap_addr(
Alexander Duycke95524a2009-12-02 16:47:57 +00002829 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
2830 mapping),
2831 skb_shinfo(skb)->frags[i].size,
2832 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002833 }
2834
2835 sw_cons = NEXT_TX_BD(sw_cons);
2836
Michael Chan745720e2006-06-29 12:37:41 -07002837 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002838 tx_pkt++;
2839 if (tx_pkt == budget)
2840 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002841
Eric Dumazetd62fda02009-05-12 20:48:02 +00002842 if (hw_cons == sw_cons)
2843 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002844 }
2845
Michael Chan35e90102008-06-19 16:37:42 -07002846 txr->hw_tx_cons = hw_cons;
2847 txr->tx_cons = sw_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002848
Michael Chan2f8af122006-08-15 01:39:10 -07002849 /* Need to make the tx_cons update visible to bnx2_start_xmit()
Benjamin Li706bf242008-07-18 17:55:11 -07002850 * before checking for netif_tx_queue_stopped(). Without the
Michael Chan2f8af122006-08-15 01:39:10 -07002851 * memory barrier, there is a small possibility that bnx2_start_xmit()
2852 * will miss it and cause the queue to be stopped forever.
2853 */
2854 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002855
Benjamin Li706bf242008-07-18 17:55:11 -07002856 if (unlikely(netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002857 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Benjamin Li706bf242008-07-18 17:55:11 -07002858 __netif_tx_lock(txq, smp_processor_id());
2859 if ((netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002860 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Benjamin Li706bf242008-07-18 17:55:11 -07002861 netif_tx_wake_queue(txq);
2862 __netif_tx_unlock(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07002863 }
Benjamin Li706bf242008-07-18 17:55:11 -07002864
Michael Chan57851d82007-12-20 20:01:44 -08002865 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002866}
2867
Michael Chan1db82f22007-12-12 11:19:35 -08002868static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002869bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002870 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002871{
2872 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2873 struct rx_bd *cons_bd, *prod_bd;
Michael Chan1db82f22007-12-12 11:19:35 -08002874 int i;
Benjamin Li3d16af82008-10-09 12:26:41 -07002875 u16 hw_prod, prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002876 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002877
Benjamin Li3d16af82008-10-09 12:26:41 -07002878 cons_rx_pg = &rxr->rx_pg_ring[cons];
2879
2880 /* The caller was unable to allocate a new page to replace the
2881 * last one in the frags array, so we need to recycle that page
2882 * and then free the skb.
2883 */
2884 if (skb) {
2885 struct page *page;
2886 struct skb_shared_info *shinfo;
2887
2888 shinfo = skb_shinfo(skb);
2889 shinfo->nr_frags--;
2890 page = shinfo->frags[shinfo->nr_frags].page;
2891 shinfo->frags[shinfo->nr_frags].page = NULL;
2892
2893 cons_rx_pg->page = page;
2894 dev_kfree_skb(skb);
2895 }
2896
2897 hw_prod = rxr->rx_pg_prod;
2898
Michael Chan1db82f22007-12-12 11:19:35 -08002899 for (i = 0; i < count; i++) {
2900 prod = RX_PG_RING_IDX(hw_prod);
2901
Michael Chanbb4f98a2008-06-19 16:38:19 -07002902 prod_rx_pg = &rxr->rx_pg_ring[prod];
2903 cons_rx_pg = &rxr->rx_pg_ring[cons];
2904 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2905 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002906
Michael Chan1db82f22007-12-12 11:19:35 -08002907 if (prod != cons) {
2908 prod_rx_pg->page = cons_rx_pg->page;
2909 cons_rx_pg->page = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002910 dma_unmap_addr_set(prod_rx_pg, mapping,
2911 dma_unmap_addr(cons_rx_pg, mapping));
Michael Chan1db82f22007-12-12 11:19:35 -08002912
2913 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2914 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2915
2916 }
2917 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2918 hw_prod = NEXT_RX_BD(hw_prod);
2919 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002920 rxr->rx_pg_prod = hw_prod;
2921 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002922}
2923
Michael Chanb6016b72005-05-26 13:03:09 -07002924static inline void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002925bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2926 struct sk_buff *skb, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002927{
Michael Chan236b6392006-03-20 17:49:02 -08002928 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2929 struct rx_bd *cons_bd, *prod_bd;
2930
Michael Chanbb4f98a2008-06-19 16:38:19 -07002931 cons_rx_buf = &rxr->rx_buf_ring[cons];
2932 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002933
2934 pci_dma_sync_single_for_device(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002935 dma_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002936 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002937
Michael Chanbb4f98a2008-06-19 16:38:19 -07002938 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002939
2940 prod_rx_buf->skb = skb;
Michael Chana33fa662010-05-06 08:58:13 +00002941 prod_rx_buf->desc = (struct l2_fhdr *) skb->data;
Michael Chan236b6392006-03-20 17:49:02 -08002942
2943 if (cons == prod)
2944 return;
2945
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002946 dma_unmap_addr_set(prod_rx_buf, mapping,
2947 dma_unmap_addr(cons_rx_buf, mapping));
Michael Chanb6016b72005-05-26 13:03:09 -07002948
Michael Chanbb4f98a2008-06-19 16:38:19 -07002949 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2950 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002951 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2952 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002953}
2954
Michael Chan85833c62007-12-12 11:17:01 -08002955static int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002956bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
Michael Chana1f60192007-12-20 19:57:19 -08002957 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2958 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002959{
2960 int err;
2961 u16 prod = ring_idx & 0xffff;
2962
Michael Chanbb4f98a2008-06-19 16:38:19 -07002963 err = bnx2_alloc_rx_skb(bp, rxr, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002964 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002965 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002966 if (hdr_len) {
2967 unsigned int raw_len = len + 4;
2968 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2969
Michael Chanbb4f98a2008-06-19 16:38:19 -07002970 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002971 }
Michael Chan85833c62007-12-12 11:17:01 -08002972 return err;
2973 }
2974
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002975 skb_reserve(skb, BNX2_RX_OFFSET);
Michael Chan85833c62007-12-12 11:17:01 -08002976 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2977 PCI_DMA_FROMDEVICE);
2978
Michael Chan1db82f22007-12-12 11:19:35 -08002979 if (hdr_len == 0) {
2980 skb_put(skb, len);
2981 return 0;
2982 } else {
2983 unsigned int i, frag_len, frag_size, pages;
2984 struct sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002985 u16 pg_cons = rxr->rx_pg_cons;
2986 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002987
2988 frag_size = len + 4 - hdr_len;
2989 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2990 skb_put(skb, hdr_len);
2991
2992 for (i = 0; i < pages; i++) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002993 dma_addr_t mapping_old;
2994
Michael Chan1db82f22007-12-12 11:19:35 -08002995 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2996 if (unlikely(frag_len <= 4)) {
2997 unsigned int tail = 4 - frag_len;
2998
Michael Chanbb4f98a2008-06-19 16:38:19 -07002999 rxr->rx_pg_cons = pg_cons;
3000 rxr->rx_pg_prod = pg_prod;
3001 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08003002 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003003 skb->len -= tail;
3004 if (i == 0) {
3005 skb->tail -= tail;
3006 } else {
3007 skb_frag_t *frag =
3008 &skb_shinfo(skb)->frags[i - 1];
3009 frag->size -= tail;
3010 skb->data_len -= tail;
3011 skb->truesize -= tail;
3012 }
3013 return 0;
3014 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003015 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08003016
Benjamin Li3d16af82008-10-09 12:26:41 -07003017 /* Don't unmap yet. If we're unable to allocate a new
3018 * page, we need to recycle the page and the DMA addr.
3019 */
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003020 mapping_old = dma_unmap_addr(rx_pg, mapping);
Michael Chan1db82f22007-12-12 11:19:35 -08003021 if (i == pages - 1)
3022 frag_len -= 4;
3023
3024 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3025 rx_pg->page = NULL;
3026
Michael Chanbb4f98a2008-06-19 16:38:19 -07003027 err = bnx2_alloc_rx_page(bp, rxr,
3028 RX_PG_RING_IDX(pg_prod));
Michael Chan1db82f22007-12-12 11:19:35 -08003029 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003030 rxr->rx_pg_cons = pg_cons;
3031 rxr->rx_pg_prod = pg_prod;
3032 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08003033 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003034 return err;
3035 }
3036
Benjamin Li3d16af82008-10-09 12:26:41 -07003037 pci_unmap_page(bp->pdev, mapping_old,
3038 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3039
Michael Chan1db82f22007-12-12 11:19:35 -08003040 frag_size -= frag_len;
3041 skb->data_len += frag_len;
3042 skb->truesize += frag_len;
3043 skb->len += frag_len;
3044
3045 pg_prod = NEXT_RX_BD(pg_prod);
3046 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
3047 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003048 rxr->rx_pg_prod = pg_prod;
3049 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08003050 }
Michael Chan85833c62007-12-12 11:17:01 -08003051 return 0;
3052}
3053
Michael Chanc09c2622007-12-10 17:18:37 -08003054static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08003055bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08003056{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003057 u16 cons;
3058
Michael Chan43e80b82008-06-19 16:41:08 -07003059 /* Tell compiler that status block fields can change. */
3060 barrier();
3061 cons = *bnapi->hw_rx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07003062 barrier();
Michael Chanc09c2622007-12-10 17:18:37 -08003063 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
3064 cons++;
3065 return cons;
3066}
3067
Michael Chanb6016b72005-05-26 13:03:09 -07003068static int
Michael Chan35efa7c2007-12-20 19:56:37 -08003069bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003070{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003071 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003072 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3073 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08003074 int rx_pkt = 0, pg_ring_used = 0;
Michael Chana33fa662010-05-06 08:58:13 +00003075 struct pci_dev *pdev = bp->pdev;
Michael Chanb6016b72005-05-26 13:03:09 -07003076
Michael Chan35efa7c2007-12-20 19:56:37 -08003077 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07003078 sw_cons = rxr->rx_cons;
3079 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003080
3081 /* Memory barrier necessary as speculative reads of the rx
3082 * buffer can be ahead of the index in the status block
3083 */
3084 rmb();
3085 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08003086 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08003087 u32 status;
Michael Chana33fa662010-05-06 08:58:13 +00003088 struct sw_bd *rx_buf, *next_rx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07003089 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08003090 dma_addr_t dma_addr;
Michael Chanf22828e2008-08-14 15:30:14 -07003091 u16 vtag = 0;
3092 int hw_vlan __maybe_unused = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003093
3094 sw_ring_cons = RX_RING_IDX(sw_cons);
3095 sw_ring_prod = RX_RING_IDX(sw_prod);
3096
Michael Chanbb4f98a2008-06-19 16:38:19 -07003097 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07003098 skb = rx_buf->skb;
Michael Chana33fa662010-05-06 08:58:13 +00003099 prefetchw(skb);
Michael Chan236b6392006-03-20 17:49:02 -08003100
Michael Chana33fa662010-05-06 08:58:13 +00003101 if (!get_dma_ops(&pdev->dev)->sync_single_for_cpu) {
3102 next_rx_buf =
3103 &rxr->rx_buf_ring[
3104 RX_RING_IDX(NEXT_RX_BD(sw_cons))];
3105 prefetch(next_rx_buf->desc);
3106 }
Michael Chan236b6392006-03-20 17:49:02 -08003107 rx_buf->skb = NULL;
3108
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003109 dma_addr = dma_unmap_addr(rx_buf, mapping);
Michael Chan236b6392006-03-20 17:49:02 -08003110
3111 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07003112 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3113 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07003114
Michael Chana33fa662010-05-06 08:58:13 +00003115 rx_hdr = rx_buf->desc;
Michael Chan1db82f22007-12-12 11:19:35 -08003116 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chan990ec382009-02-12 16:54:13 -08003117 status = rx_hdr->l2_fhdr_status;
Michael Chanb6016b72005-05-26 13:03:09 -07003118
Michael Chan1db82f22007-12-12 11:19:35 -08003119 hdr_len = 0;
3120 if (status & L2_FHDR_STATUS_SPLIT) {
3121 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3122 pg_ring_used = 1;
3123 } else if (len > bp->rx_jumbo_thresh) {
3124 hdr_len = bp->rx_jumbo_thresh;
3125 pg_ring_used = 1;
3126 }
3127
Michael Chan990ec382009-02-12 16:54:13 -08003128 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3129 L2_FHDR_ERRORS_PHY_DECODE |
3130 L2_FHDR_ERRORS_ALIGNMENT |
3131 L2_FHDR_ERRORS_TOO_SHORT |
3132 L2_FHDR_ERRORS_GIANT_FRAME))) {
3133
3134 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3135 sw_ring_prod);
3136 if (pg_ring_used) {
3137 int pages;
3138
3139 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3140
3141 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3142 }
3143 goto next_rx;
3144 }
3145
Michael Chan1db82f22007-12-12 11:19:35 -08003146 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003147
Michael Chan5d5d0012007-12-12 11:17:43 -08003148 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07003149 struct sk_buff *new_skb;
3150
Michael Chanf22828e2008-08-14 15:30:14 -07003151 new_skb = netdev_alloc_skb(bp->dev, len + 6);
Michael Chan85833c62007-12-12 11:17:01 -08003152 if (new_skb == NULL) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003153 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08003154 sw_ring_prod);
3155 goto next_rx;
3156 }
Michael Chanb6016b72005-05-26 13:03:09 -07003157
3158 /* aligned copy */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07003159 skb_copy_from_linear_data_offset(skb,
Michael Chanf22828e2008-08-14 15:30:14 -07003160 BNX2_RX_OFFSET - 6,
3161 new_skb->data, len + 6);
3162 skb_reserve(new_skb, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07003163 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07003164
Michael Chanbb4f98a2008-06-19 16:38:19 -07003165 bnx2_reuse_rx_skb(bp, rxr, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07003166 sw_ring_cons, sw_ring_prod);
3167
3168 skb = new_skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07003169 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
Michael Chana1f60192007-12-20 19:57:19 -08003170 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07003171 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07003172
Michael Chanf22828e2008-08-14 15:30:14 -07003173 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
3174 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
3175 vtag = rx_hdr->l2_fhdr_vlan_tag;
3176#ifdef BCM_VLAN
3177 if (bp->vlgrp)
3178 hw_vlan = 1;
3179 else
3180#endif
3181 {
3182 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
3183 __skb_push(skb, 4);
3184
3185 memmove(ve, skb->data + 4, ETH_ALEN * 2);
3186 ve->h_vlan_proto = htons(ETH_P_8021Q);
3187 ve->h_vlan_TCI = htons(vtag);
3188 len += 4;
3189 }
3190 }
3191
Michael Chanb6016b72005-05-26 13:03:09 -07003192 skb->protocol = eth_type_trans(skb, bp->dev);
3193
3194 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07003195 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003196
Michael Chan745720e2006-06-29 12:37:41 -07003197 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003198 goto next_rx;
3199
3200 }
3201
Michael Chanb6016b72005-05-26 13:03:09 -07003202 skb->ip_summed = CHECKSUM_NONE;
3203 if (bp->rx_csum &&
3204 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3205 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3206
Michael Chanade2bfe2006-01-23 16:09:51 -08003207 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3208 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07003209 skb->ip_summed = CHECKSUM_UNNECESSARY;
3210 }
3211
David S. Miller0c8dfc82009-01-27 16:22:32 -08003212 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
3213
Michael Chanb6016b72005-05-26 13:03:09 -07003214#ifdef BCM_VLAN
Michael Chanf22828e2008-08-14 15:30:14 -07003215 if (hw_vlan)
Michael Chanc67938a2010-05-06 08:58:12 +00003216 vlan_gro_receive(&bnapi->napi, bp->vlgrp, vtag, skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003217 else
3218#endif
Michael Chanc67938a2010-05-06 08:58:12 +00003219 napi_gro_receive(&bnapi->napi, skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003220
Michael Chanb6016b72005-05-26 13:03:09 -07003221 rx_pkt++;
3222
3223next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07003224 sw_cons = NEXT_RX_BD(sw_cons);
3225 sw_prod = NEXT_RX_BD(sw_prod);
3226
3227 if ((rx_pkt == budget))
3228 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08003229
3230 /* Refresh hw_cons to see if there is new work */
3231 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003232 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08003233 rmb();
3234 }
Michael Chanb6016b72005-05-26 13:03:09 -07003235 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003236 rxr->rx_cons = sw_cons;
3237 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003238
Michael Chan1db82f22007-12-12 11:19:35 -08003239 if (pg_ring_used)
Michael Chanbb4f98a2008-06-19 16:38:19 -07003240 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08003241
Michael Chanbb4f98a2008-06-19 16:38:19 -07003242 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003243
Michael Chanbb4f98a2008-06-19 16:38:19 -07003244 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07003245
3246 mmiowb();
3247
3248 return rx_pkt;
3249
3250}
3251
3252/* MSI ISR - The only difference between this and the INTx ISR
3253 * is that the MSI interrupt is always serviced.
3254 */
3255static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003256bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003257{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003258 struct bnx2_napi *bnapi = dev_instance;
3259 struct bnx2 *bp = bnapi->bp;
Michael Chanb6016b72005-05-26 13:03:09 -07003260
Michael Chan43e80b82008-06-19 16:41:08 -07003261 prefetch(bnapi->status_blk.msi);
Michael Chanb6016b72005-05-26 13:03:09 -07003262 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3263 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3264 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3265
3266 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003267 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3268 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003269
Ben Hutchings288379f2009-01-19 16:43:59 -08003270 napi_schedule(&bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003271
Michael Chan73eef4c2005-08-25 15:39:15 -07003272 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003273}
3274
3275static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003276bnx2_msi_1shot(int irq, void *dev_instance)
3277{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003278 struct bnx2_napi *bnapi = dev_instance;
3279 struct bnx2 *bp = bnapi->bp;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003280
Michael Chan43e80b82008-06-19 16:41:08 -07003281 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003282
3283 /* Return here if interrupt is disabled. */
3284 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3285 return IRQ_HANDLED;
3286
Ben Hutchings288379f2009-01-19 16:43:59 -08003287 napi_schedule(&bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003288
3289 return IRQ_HANDLED;
3290}
3291
3292static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003293bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003294{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003295 struct bnx2_napi *bnapi = dev_instance;
3296 struct bnx2 *bp = bnapi->bp;
Michael Chan43e80b82008-06-19 16:41:08 -07003297 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003298
3299 /* When using INTx, it is possible for the interrupt to arrive
3300 * at the CPU before the status block posted prior to the
3301 * interrupt. Reading a register will flush the status block.
3302 * When using MSI, the MSI message will always complete after
3303 * the status block write.
3304 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003305 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003306 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3307 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003308 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003309
3310 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3311 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3312 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3313
Michael Chanb8a7ce72007-07-07 22:51:03 -07003314 /* Read back to deassert IRQ immediately to avoid too many
3315 * spurious interrupts.
3316 */
3317 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3318
Michael Chanb6016b72005-05-26 13:03:09 -07003319 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003320 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3321 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003322
Ben Hutchings288379f2009-01-19 16:43:59 -08003323 if (napi_schedule_prep(&bnapi->napi)) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003324 bnapi->last_status_idx = sblk->status_idx;
Ben Hutchings288379f2009-01-19 16:43:59 -08003325 __napi_schedule(&bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003326 }
Michael Chanb6016b72005-05-26 13:03:09 -07003327
Michael Chan73eef4c2005-08-25 15:39:15 -07003328 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003329}
3330
Michael Chan43e80b82008-06-19 16:41:08 -07003331static inline int
3332bnx2_has_fast_work(struct bnx2_napi *bnapi)
3333{
3334 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3335 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3336
3337 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3338 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3339 return 1;
3340 return 0;
3341}
3342
Michael Chan0d8a6572007-07-07 22:49:43 -07003343#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3344 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003345
Michael Chanf4e418f2005-11-04 08:53:48 -08003346static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003347bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003348{
Michael Chan43e80b82008-06-19 16:41:08 -07003349 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003350
Michael Chan43e80b82008-06-19 16:41:08 -07003351 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003352 return 1;
3353
Michael Chan4edd4732009-06-08 18:14:42 -07003354#ifdef BCM_CNIC
3355 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3356 return 1;
3357#endif
3358
Michael Chanda3e4fb2007-05-03 13:24:23 -07003359 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3360 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003361 return 1;
3362
3363 return 0;
3364}
3365
Michael Chanefba0182008-12-03 00:36:15 -08003366static void
3367bnx2_chk_missed_msi(struct bnx2 *bp)
3368{
3369 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3370 u32 msi_ctrl;
3371
3372 if (bnx2_has_work(bnapi)) {
3373 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3374 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3375 return;
3376
3377 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3378 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3379 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3380 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3381 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3382 }
3383 }
3384
3385 bp->idle_chk_status_idx = bnapi->last_status_idx;
3386}
3387
Michael Chan4edd4732009-06-08 18:14:42 -07003388#ifdef BCM_CNIC
3389static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3390{
3391 struct cnic_ops *c_ops;
3392
3393 if (!bnapi->cnic_present)
3394 return;
3395
3396 rcu_read_lock();
3397 c_ops = rcu_dereference(bp->cnic_ops);
3398 if (c_ops)
3399 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3400 bnapi->status_blk.msi);
3401 rcu_read_unlock();
3402}
3403#endif
3404
Michael Chan43e80b82008-06-19 16:41:08 -07003405static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003406{
Michael Chan43e80b82008-06-19 16:41:08 -07003407 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003408 u32 status_attn_bits = sblk->status_attn_bits;
3409 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003410
Michael Chanda3e4fb2007-05-03 13:24:23 -07003411 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3412 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003413
Michael Chan35efa7c2007-12-20 19:56:37 -08003414 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003415
3416 /* This is needed to take care of transient status
3417 * during link changes.
3418 */
3419 REG_WR(bp, BNX2_HC_COMMAND,
3420 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3421 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003422 }
Michael Chan43e80b82008-06-19 16:41:08 -07003423}
3424
3425static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3426 int work_done, int budget)
3427{
3428 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3429 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003430
Michael Chan35e90102008-06-19 16:37:42 -07003431 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003432 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003433
Michael Chanbb4f98a2008-06-19 16:38:19 -07003434 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003435 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003436
David S. Miller6f535762007-10-11 18:08:29 -07003437 return work_done;
3438}
Michael Chanf4e418f2005-11-04 08:53:48 -08003439
Michael Chanf0ea2e62008-06-19 16:41:57 -07003440static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3441{
3442 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3443 struct bnx2 *bp = bnapi->bp;
3444 int work_done = 0;
3445 struct status_block_msix *sblk = bnapi->status_blk.msix;
3446
3447 while (1) {
3448 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3449 if (unlikely(work_done >= budget))
3450 break;
3451
3452 bnapi->last_status_idx = sblk->status_idx;
3453 /* status idx must be read before checking for more work. */
3454 rmb();
3455 if (likely(!bnx2_has_fast_work(bnapi))) {
3456
Ben Hutchings288379f2009-01-19 16:43:59 -08003457 napi_complete(napi);
Michael Chanf0ea2e62008-06-19 16:41:57 -07003458 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3459 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3460 bnapi->last_status_idx);
3461 break;
3462 }
3463 }
3464 return work_done;
3465}
3466
David S. Miller6f535762007-10-11 18:08:29 -07003467static int bnx2_poll(struct napi_struct *napi, int budget)
3468{
Michael Chan35efa7c2007-12-20 19:56:37 -08003469 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3470 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003471 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003472 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003473
3474 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003475 bnx2_poll_link(bp, bnapi);
3476
Michael Chan35efa7c2007-12-20 19:56:37 -08003477 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003478
Michael Chan4edd4732009-06-08 18:14:42 -07003479#ifdef BCM_CNIC
3480 bnx2_poll_cnic(bp, bnapi);
3481#endif
3482
Michael Chan35efa7c2007-12-20 19:56:37 -08003483 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003484 * much work has been processed, so we must read it before
3485 * checking for more work.
3486 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003487 bnapi->last_status_idx = sblk->status_idx;
Michael Chanefba0182008-12-03 00:36:15 -08003488
3489 if (unlikely(work_done >= budget))
3490 break;
3491
Michael Chan6dee6422007-10-12 01:40:38 -07003492 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003493 if (likely(!bnx2_has_work(bnapi))) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003494 napi_complete(napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003495 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003496 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);
Michael Chan6dee6422007-10-12 01:40:38 -07003499 break;
David S. Miller6f535762007-10-11 18:08:29 -07003500 }
3501 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3502 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3503 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003504 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003505
Michael Chan1269a8a2006-01-23 16:11:03 -08003506 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3507 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003508 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003509 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003510 }
Michael Chanb6016b72005-05-26 13:03:09 -07003511 }
3512
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003513 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003514}
3515
Herbert Xu932ff272006-06-09 12:20:56 -07003516/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003517 * from set_multicast.
3518 */
3519static void
3520bnx2_set_rx_mode(struct net_device *dev)
3521{
Michael Chan972ec0d2006-01-23 16:12:43 -08003522 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003523 u32 rx_mode, sort_mode;
Jiri Pirkoccffad252009-05-22 23:22:17 +00003524 struct netdev_hw_addr *ha;
Michael Chanb6016b72005-05-26 13:03:09 -07003525 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003526
Michael Chan9f52b562008-10-09 12:21:46 -07003527 if (!netif_running(dev))
3528 return;
3529
Michael Chanc770a652005-08-25 15:38:39 -07003530 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003531
3532 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3533 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3534 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3535#ifdef BCM_VLAN
Michael Chan7c6337a2008-08-14 15:29:09 -07003536 if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Michael Chanb6016b72005-05-26 13:03:09 -07003537 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003538#else
Michael Chan7c6337a2008-08-14 15:29:09 -07003539 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
Michael Chane29054f2006-01-23 16:06:06 -08003540 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003541#endif
3542 if (dev->flags & IFF_PROMISC) {
3543 /* Promiscuous mode. */
3544 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003545 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3546 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003547 }
3548 else if (dev->flags & IFF_ALLMULTI) {
3549 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3550 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3551 0xffffffff);
3552 }
3553 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3554 }
3555 else {
3556 /* Accept one or more multicast(s). */
Michael Chanb6016b72005-05-26 13:03:09 -07003557 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3558 u32 regidx;
3559 u32 bit;
3560 u32 crc;
3561
3562 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3563
Jiri Pirko22bedad32010-04-01 21:22:57 +00003564 netdev_for_each_mc_addr(ha, dev) {
3565 crc = ether_crc_le(ETH_ALEN, ha->addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003566 bit = crc & 0xff;
3567 regidx = (bit & 0xe0) >> 5;
3568 bit &= 0x1f;
3569 mc_filter[regidx] |= (1 << bit);
3570 }
3571
3572 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3573 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3574 mc_filter[i]);
3575 }
3576
3577 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3578 }
3579
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003580 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003581 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3582 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3583 BNX2_RPM_SORT_USER0_PROM_VLAN;
3584 } else if (!(dev->flags & IFF_PROMISC)) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003585 /* Add all entries into to the match filter list */
Jiri Pirkoccffad252009-05-22 23:22:17 +00003586 i = 0;
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003587 netdev_for_each_uc_addr(ha, dev) {
Jiri Pirkoccffad252009-05-22 23:22:17 +00003588 bnx2_set_mac_addr(bp, ha->addr,
Benjamin Li5fcaed02008-07-14 22:39:52 -07003589 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3590 sort_mode |= (1 <<
3591 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
Jiri Pirkoccffad252009-05-22 23:22:17 +00003592 i++;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003593 }
3594
3595 }
3596
Michael Chanb6016b72005-05-26 13:03:09 -07003597 if (rx_mode != bp->rx_mode) {
3598 bp->rx_mode = rx_mode;
3599 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3600 }
3601
3602 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3603 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3604 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3605
Michael Chanc770a652005-08-25 15:38:39 -07003606 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003607}
3608
Michael Chan57579f72009-04-04 16:51:14 -07003609static int __devinit
3610check_fw_section(const struct firmware *fw,
3611 const struct bnx2_fw_file_section *section,
3612 u32 alignment, bool non_empty)
Michael Chanb6016b72005-05-26 13:03:09 -07003613{
Michael Chan57579f72009-04-04 16:51:14 -07003614 u32 offset = be32_to_cpu(section->offset);
3615 u32 len = be32_to_cpu(section->len);
Michael Chanb6016b72005-05-26 13:03:09 -07003616
Michael Chan57579f72009-04-04 16:51:14 -07003617 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3618 return -EINVAL;
3619 if ((non_empty && len == 0) || len > fw->size - offset ||
3620 len & (alignment - 1))
3621 return -EINVAL;
3622 return 0;
3623}
3624
3625static int __devinit
3626check_mips_fw_entry(const struct firmware *fw,
3627 const struct bnx2_mips_fw_file_entry *entry)
3628{
3629 if (check_fw_section(fw, &entry->text, 4, true) ||
3630 check_fw_section(fw, &entry->data, 4, false) ||
3631 check_fw_section(fw, &entry->rodata, 4, false))
3632 return -EINVAL;
3633 return 0;
3634}
3635
3636static int __devinit
3637bnx2_request_firmware(struct bnx2 *bp)
3638{
3639 const char *mips_fw_file, *rv2p_fw_file;
Bastian Blank5ee1c322009-04-08 15:50:07 -07003640 const struct bnx2_mips_fw_file *mips_fw;
3641 const struct bnx2_rv2p_fw_file *rv2p_fw;
Michael Chan57579f72009-04-04 16:51:14 -07003642 int rc;
3643
3644 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3645 mips_fw_file = FW_MIPS_FILE_09;
Michael Chan078b0732009-08-29 00:02:46 -07003646 if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
3647 (CHIP_ID(bp) == CHIP_ID_5709_A1))
3648 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3649 else
3650 rv2p_fw_file = FW_RV2P_FILE_09;
Michael Chan57579f72009-04-04 16:51:14 -07003651 } else {
3652 mips_fw_file = FW_MIPS_FILE_06;
3653 rv2p_fw_file = FW_RV2P_FILE_06;
3654 }
3655
3656 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3657 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003658 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003659 return rc;
3660 }
3661
3662 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3663 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003664 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003665 return rc;
3666 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003667 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3668 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3669 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3670 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3671 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3672 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3673 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3674 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003675 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003676 return -EINVAL;
3677 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003678 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3679 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3680 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003681 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003682 return -EINVAL;
3683 }
3684
3685 return 0;
3686}
3687
3688static u32
3689rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3690{
3691 switch (idx) {
3692 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3693 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3694 rv2p_code |= RV2P_BD_PAGE_SIZE;
3695 break;
3696 }
3697 return rv2p_code;
3698}
3699
3700static int
3701load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3702 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3703{
3704 u32 rv2p_code_len, file_offset;
3705 __be32 *rv2p_code;
3706 int i;
3707 u32 val, cmd, addr;
3708
3709 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3710 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3711
3712 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3713
3714 if (rv2p_proc == RV2P_PROC1) {
3715 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3716 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3717 } else {
3718 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3719 addr = BNX2_RV2P_PROC2_ADDR_CMD;
Michael Chand25be1d2008-05-02 16:57:59 -07003720 }
Michael Chanb6016b72005-05-26 13:03:09 -07003721
3722 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chan57579f72009-04-04 16:51:14 -07003723 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003724 rv2p_code++;
Michael Chan57579f72009-04-04 16:51:14 -07003725 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003726 rv2p_code++;
3727
Michael Chan57579f72009-04-04 16:51:14 -07003728 val = (i / 8) | cmd;
3729 REG_WR(bp, addr, val);
3730 }
3731
3732 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3733 for (i = 0; i < 8; i++) {
3734 u32 loc, code;
3735
3736 loc = be32_to_cpu(fw_entry->fixup[i]);
3737 if (loc && ((loc * 4) < rv2p_code_len)) {
3738 code = be32_to_cpu(*(rv2p_code + loc - 1));
3739 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
3740 code = be32_to_cpu(*(rv2p_code + loc));
3741 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
3742 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
3743
3744 val = (loc / 2) | cmd;
3745 REG_WR(bp, addr, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003746 }
3747 }
3748
3749 /* Reset the processor, un-stall is done later. */
3750 if (rv2p_proc == RV2P_PROC1) {
3751 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3752 }
3753 else {
3754 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3755 }
Michael Chan57579f72009-04-04 16:51:14 -07003756
3757 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003758}
3759
Michael Chanaf3ee512006-11-19 14:09:25 -08003760static int
Michael Chan57579f72009-04-04 16:51:14 -07003761load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3762 const struct bnx2_mips_fw_file_entry *fw_entry)
Michael Chanb6016b72005-05-26 13:03:09 -07003763{
Michael Chan57579f72009-04-04 16:51:14 -07003764 u32 addr, len, file_offset;
3765 __be32 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07003766 u32 offset;
3767 u32 val;
3768
3769 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003770 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003771 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003772 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3773 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003774
3775 /* Load the Text area. */
Michael Chan57579f72009-04-04 16:51:14 -07003776 addr = be32_to_cpu(fw_entry->text.addr);
3777 len = be32_to_cpu(fw_entry->text.len);
3778 file_offset = be32_to_cpu(fw_entry->text.offset);
3779 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3780
3781 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3782 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003783 int j;
3784
Michael Chan57579f72009-04-04 16:51:14 -07003785 for (j = 0; j < (len / 4); j++, offset += 4)
3786 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003787 }
3788
3789 /* Load the Data area. */
Michael Chan57579f72009-04-04 16:51:14 -07003790 addr = be32_to_cpu(fw_entry->data.addr);
3791 len = be32_to_cpu(fw_entry->data.len);
3792 file_offset = be32_to_cpu(fw_entry->data.offset);
3793 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3794
3795 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3796 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003797 int j;
3798
Michael Chan57579f72009-04-04 16:51:14 -07003799 for (j = 0; j < (len / 4); j++, offset += 4)
3800 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003801 }
3802
3803 /* Load the Read-Only area. */
Michael Chan57579f72009-04-04 16:51:14 -07003804 addr = be32_to_cpu(fw_entry->rodata.addr);
3805 len = be32_to_cpu(fw_entry->rodata.len);
3806 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3807 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3808
3809 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3810 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003811 int j;
3812
Michael Chan57579f72009-04-04 16:51:14 -07003813 for (j = 0; j < (len / 4); j++, offset += 4)
3814 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003815 }
3816
3817 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003818 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
Michael Chan57579f72009-04-04 16:51:14 -07003819
3820 val = be32_to_cpu(fw_entry->start_addr);
3821 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003822
3823 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003824 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003825 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003826 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3827 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003828
3829 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003830}
3831
Michael Chanfba9fe92006-06-12 22:21:25 -07003832static int
Michael Chanb6016b72005-05-26 13:03:09 -07003833bnx2_init_cpus(struct bnx2 *bp)
3834{
Michael Chan57579f72009-04-04 16:51:14 -07003835 const struct bnx2_mips_fw_file *mips_fw =
3836 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3837 const struct bnx2_rv2p_fw_file *rv2p_fw =
3838 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3839 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003840
3841 /* Initialize the RV2P processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003842 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3843 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
Michael Chanb6016b72005-05-26 13:03:09 -07003844
3845 /* Initialize the RX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003846 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
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 TX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003851 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003852 if (rc)
3853 goto init_cpu_err;
3854
Michael Chanb6016b72005-05-26 13:03:09 -07003855 /* Initialize the TX Patch-up Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003856 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
Michael Chanfba9fe92006-06-12 22:21:25 -07003857 if (rc)
3858 goto init_cpu_err;
3859
Michael Chanb6016b72005-05-26 13:03:09 -07003860 /* Initialize the Completion Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003861 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
Michael Chanfba9fe92006-06-12 22:21:25 -07003862 if (rc)
3863 goto init_cpu_err;
3864
Michael Chand43584c2006-11-19 14:14:35 -08003865 /* Initialize the Command Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003866 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
Michael Chan110d0ef2007-12-12 11:18:34 -08003867
Michael Chanfba9fe92006-06-12 22:21:25 -07003868init_cpu_err:
Michael Chanfba9fe92006-06-12 22:21:25 -07003869 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003870}
3871
3872static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003873bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003874{
3875 u16 pmcsr;
3876
3877 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3878
3879 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003880 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003881 u32 val;
3882
3883 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3884 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3885 PCI_PM_CTRL_PME_STATUS);
3886
3887 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3888 /* delay required during transition out of D3hot */
3889 msleep(20);
3890
3891 val = REG_RD(bp, BNX2_EMAC_MODE);
3892 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3893 val &= ~BNX2_EMAC_MODE_MPKT;
3894 REG_WR(bp, BNX2_EMAC_MODE, val);
3895
3896 val = REG_RD(bp, BNX2_RPM_CONFIG);
3897 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3898 REG_WR(bp, BNX2_RPM_CONFIG, val);
3899 break;
3900 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003901 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003902 int i;
3903 u32 val, wol_msg;
3904
3905 if (bp->wol) {
3906 u32 advertising;
3907 u8 autoneg;
3908
3909 autoneg = bp->autoneg;
3910 advertising = bp->advertising;
3911
Michael Chan239cd342007-10-17 19:26:15 -07003912 if (bp->phy_port == PORT_TP) {
3913 bp->autoneg = AUTONEG_SPEED;
3914 bp->advertising = ADVERTISED_10baseT_Half |
3915 ADVERTISED_10baseT_Full |
3916 ADVERTISED_100baseT_Half |
3917 ADVERTISED_100baseT_Full |
3918 ADVERTISED_Autoneg;
3919 }
Michael Chanb6016b72005-05-26 13:03:09 -07003920
Michael Chan239cd342007-10-17 19:26:15 -07003921 spin_lock_bh(&bp->phy_lock);
3922 bnx2_setup_phy(bp, bp->phy_port);
3923 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003924
3925 bp->autoneg = autoneg;
3926 bp->advertising = advertising;
3927
Benjamin Li5fcaed02008-07-14 22:39:52 -07003928 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003929
3930 val = REG_RD(bp, BNX2_EMAC_MODE);
3931
3932 /* Enable port mode. */
3933 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003934 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003935 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003936 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003937 if (bp->phy_port == PORT_TP)
3938 val |= BNX2_EMAC_MODE_PORT_MII;
3939 else {
3940 val |= BNX2_EMAC_MODE_PORT_GMII;
3941 if (bp->line_speed == SPEED_2500)
3942 val |= BNX2_EMAC_MODE_25G_MODE;
3943 }
Michael Chanb6016b72005-05-26 13:03:09 -07003944
3945 REG_WR(bp, BNX2_EMAC_MODE, val);
3946
3947 /* receive all multicast */
3948 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3949 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3950 0xffffffff);
3951 }
3952 REG_WR(bp, BNX2_EMAC_RX_MODE,
3953 BNX2_EMAC_RX_MODE_SORT_MODE);
3954
3955 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3956 BNX2_RPM_SORT_USER0_MC_EN;
3957 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3958 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3959 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3960 BNX2_RPM_SORT_USER0_ENA);
3961
3962 /* Need to enable EMAC and RPM for WOL. */
3963 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3964 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3965 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3966 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3967
3968 val = REG_RD(bp, BNX2_RPM_CONFIG);
3969 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3970 REG_WR(bp, BNX2_RPM_CONFIG, val);
3971
3972 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3973 }
3974 else {
3975 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3976 }
3977
David S. Millerf86e82f2008-01-21 17:15:40 -08003978 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chana2f13892008-07-14 22:38:23 -07003979 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3980 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003981
3982 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3983 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3984 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3985
3986 if (bp->wol)
3987 pmcsr |= 3;
3988 }
3989 else {
3990 pmcsr |= 3;
3991 }
3992 if (bp->wol) {
3993 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3994 }
3995 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3996 pmcsr);
3997
3998 /* No more memory access after this point until
3999 * device is brought back to D0.
4000 */
4001 udelay(50);
4002 break;
4003 }
4004 default:
4005 return -EINVAL;
4006 }
4007 return 0;
4008}
4009
4010static int
4011bnx2_acquire_nvram_lock(struct bnx2 *bp)
4012{
4013 u32 val;
4014 int j;
4015
4016 /* Request access to the flash interface. */
4017 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
4018 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4019 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4020 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4021 break;
4022
4023 udelay(5);
4024 }
4025
4026 if (j >= NVRAM_TIMEOUT_COUNT)
4027 return -EBUSY;
4028
4029 return 0;
4030}
4031
4032static int
4033bnx2_release_nvram_lock(struct bnx2 *bp)
4034{
4035 int j;
4036 u32 val;
4037
4038 /* Relinquish nvram interface. */
4039 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
4040
4041 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4042 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4043 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4044 break;
4045
4046 udelay(5);
4047 }
4048
4049 if (j >= NVRAM_TIMEOUT_COUNT)
4050 return -EBUSY;
4051
4052 return 0;
4053}
4054
4055
4056static int
4057bnx2_enable_nvram_write(struct bnx2 *bp)
4058{
4059 u32 val;
4060
4061 val = REG_RD(bp, BNX2_MISC_CFG);
4062 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
4063
Michael Chane30372c2007-07-16 18:26:23 -07004064 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07004065 int j;
4066
4067 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4068 REG_WR(bp, BNX2_NVM_COMMAND,
4069 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
4070
4071 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4072 udelay(5);
4073
4074 val = REG_RD(bp, BNX2_NVM_COMMAND);
4075 if (val & BNX2_NVM_COMMAND_DONE)
4076 break;
4077 }
4078
4079 if (j >= NVRAM_TIMEOUT_COUNT)
4080 return -EBUSY;
4081 }
4082 return 0;
4083}
4084
4085static void
4086bnx2_disable_nvram_write(struct bnx2 *bp)
4087{
4088 u32 val;
4089
4090 val = REG_RD(bp, BNX2_MISC_CFG);
4091 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
4092}
4093
4094
4095static void
4096bnx2_enable_nvram_access(struct bnx2 *bp)
4097{
4098 u32 val;
4099
4100 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4101 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004102 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004103 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
4104}
4105
4106static void
4107bnx2_disable_nvram_access(struct bnx2 *bp)
4108{
4109 u32 val;
4110
4111 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4112 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004113 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004114 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4115 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4116}
4117
4118static int
4119bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4120{
4121 u32 cmd;
4122 int j;
4123
Michael Chane30372c2007-07-16 18:26:23 -07004124 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07004125 /* Buffered flash, no erase needed */
4126 return 0;
4127
4128 /* Build an erase command */
4129 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4130 BNX2_NVM_COMMAND_DOIT;
4131
4132 /* Need to clear DONE bit separately. */
4133 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4134
4135 /* Address of the NVRAM to read from. */
4136 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4137
4138 /* Issue an erase command. */
4139 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4140
4141 /* Wait for completion. */
4142 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4143 u32 val;
4144
4145 udelay(5);
4146
4147 val = REG_RD(bp, BNX2_NVM_COMMAND);
4148 if (val & BNX2_NVM_COMMAND_DONE)
4149 break;
4150 }
4151
4152 if (j >= NVRAM_TIMEOUT_COUNT)
4153 return -EBUSY;
4154
4155 return 0;
4156}
4157
4158static int
4159bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4160{
4161 u32 cmd;
4162 int j;
4163
4164 /* Build the command word. */
4165 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4166
Michael Chane30372c2007-07-16 18:26:23 -07004167 /* Calculate an offset of a buffered flash, not needed for 5709. */
4168 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004169 offset = ((offset / bp->flash_info->page_size) <<
4170 bp->flash_info->page_bits) +
4171 (offset % bp->flash_info->page_size);
4172 }
4173
4174 /* Need to clear DONE bit separately. */
4175 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4176
4177 /* Address of the NVRAM to read from. */
4178 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4179
4180 /* Issue a read command. */
4181 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4182
4183 /* Wait for completion. */
4184 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4185 u32 val;
4186
4187 udelay(5);
4188
4189 val = REG_RD(bp, BNX2_NVM_COMMAND);
4190 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00004191 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
4192 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004193 break;
4194 }
4195 }
4196 if (j >= NVRAM_TIMEOUT_COUNT)
4197 return -EBUSY;
4198
4199 return 0;
4200}
4201
4202
4203static int
4204bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4205{
Al Virob491edd2007-12-22 19:44:51 +00004206 u32 cmd;
4207 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07004208 int j;
4209
4210 /* Build the command word. */
4211 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4212
Michael Chane30372c2007-07-16 18:26:23 -07004213 /* Calculate an offset of a buffered flash, not needed for 5709. */
4214 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004215 offset = ((offset / bp->flash_info->page_size) <<
4216 bp->flash_info->page_bits) +
4217 (offset % bp->flash_info->page_size);
4218 }
4219
4220 /* Need to clear DONE bit separately. */
4221 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4222
4223 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004224
4225 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00004226 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07004227
4228 /* Address of the NVRAM to write to. */
4229 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4230
4231 /* Issue the write command. */
4232 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4233
4234 /* Wait for completion. */
4235 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4236 udelay(5);
4237
4238 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
4239 break;
4240 }
4241 if (j >= NVRAM_TIMEOUT_COUNT)
4242 return -EBUSY;
4243
4244 return 0;
4245}
4246
4247static int
4248bnx2_init_nvram(struct bnx2 *bp)
4249{
4250 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07004251 int j, entry_count, rc = 0;
Michael Chan0ced9d02009-08-21 16:20:49 +00004252 const struct flash_spec *flash;
Michael Chanb6016b72005-05-26 13:03:09 -07004253
Michael Chane30372c2007-07-16 18:26:23 -07004254 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4255 bp->flash_info = &flash_5709;
4256 goto get_flash_size;
4257 }
4258
Michael Chanb6016b72005-05-26 13:03:09 -07004259 /* Determine the selected interface. */
4260 val = REG_RD(bp, BNX2_NVM_CFG1);
4261
Denis Chengff8ac602007-09-02 18:30:18 +08004262 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07004263
Michael Chanb6016b72005-05-26 13:03:09 -07004264 if (val & 0x40000000) {
4265
4266 /* Flash interface has been reconfigured */
4267 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08004268 j++, flash++) {
4269 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4270 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004271 bp->flash_info = flash;
4272 break;
4273 }
4274 }
4275 }
4276 else {
Michael Chan37137702005-11-04 08:49:17 -08004277 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07004278 /* Not yet been reconfigured */
4279
Michael Chan37137702005-11-04 08:49:17 -08004280 if (val & (1 << 23))
4281 mask = FLASH_BACKUP_STRAP_MASK;
4282 else
4283 mask = FLASH_STRAP_MASK;
4284
Michael Chanb6016b72005-05-26 13:03:09 -07004285 for (j = 0, flash = &flash_table[0]; j < entry_count;
4286 j++, flash++) {
4287
Michael Chan37137702005-11-04 08:49:17 -08004288 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004289 bp->flash_info = flash;
4290
4291 /* Request access to the flash interface. */
4292 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4293 return rc;
4294
4295 /* Enable access to flash interface */
4296 bnx2_enable_nvram_access(bp);
4297
4298 /* Reconfigure the flash interface */
4299 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4300 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4301 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4302 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4303
4304 /* Disable access to flash interface */
4305 bnx2_disable_nvram_access(bp);
4306 bnx2_release_nvram_lock(bp);
4307
4308 break;
4309 }
4310 }
4311 } /* if (val & 0x40000000) */
4312
4313 if (j == entry_count) {
4314 bp->flash_info = NULL;
Joe Perches3a9c6a42010-02-17 15:01:51 +00004315 pr_alert("Unknown flash/EEPROM type\n");
Michael Chan1122db72006-01-23 16:11:42 -08004316 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07004317 }
4318
Michael Chane30372c2007-07-16 18:26:23 -07004319get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08004320 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08004321 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4322 if (val)
4323 bp->flash_size = val;
4324 else
4325 bp->flash_size = bp->flash_info->total_size;
4326
Michael Chanb6016b72005-05-26 13:03:09 -07004327 return rc;
4328}
4329
4330static int
4331bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4332 int buf_size)
4333{
4334 int rc = 0;
4335 u32 cmd_flags, offset32, len32, extra;
4336
4337 if (buf_size == 0)
4338 return 0;
4339
4340 /* Request access to the flash interface. */
4341 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4342 return rc;
4343
4344 /* Enable access to flash interface */
4345 bnx2_enable_nvram_access(bp);
4346
4347 len32 = buf_size;
4348 offset32 = offset;
4349 extra = 0;
4350
4351 cmd_flags = 0;
4352
4353 if (offset32 & 3) {
4354 u8 buf[4];
4355 u32 pre_len;
4356
4357 offset32 &= ~3;
4358 pre_len = 4 - (offset & 3);
4359
4360 if (pre_len >= len32) {
4361 pre_len = len32;
4362 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4363 BNX2_NVM_COMMAND_LAST;
4364 }
4365 else {
4366 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4367 }
4368
4369 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4370
4371 if (rc)
4372 return rc;
4373
4374 memcpy(ret_buf, buf + (offset & 3), pre_len);
4375
4376 offset32 += 4;
4377 ret_buf += pre_len;
4378 len32 -= pre_len;
4379 }
4380 if (len32 & 3) {
4381 extra = 4 - (len32 & 3);
4382 len32 = (len32 + 4) & ~3;
4383 }
4384
4385 if (len32 == 4) {
4386 u8 buf[4];
4387
4388 if (cmd_flags)
4389 cmd_flags = BNX2_NVM_COMMAND_LAST;
4390 else
4391 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4392 BNX2_NVM_COMMAND_LAST;
4393
4394 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4395
4396 memcpy(ret_buf, buf, 4 - extra);
4397 }
4398 else if (len32 > 0) {
4399 u8 buf[4];
4400
4401 /* Read the first word. */
4402 if (cmd_flags)
4403 cmd_flags = 0;
4404 else
4405 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4406
4407 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4408
4409 /* Advance to the next dword. */
4410 offset32 += 4;
4411 ret_buf += 4;
4412 len32 -= 4;
4413
4414 while (len32 > 4 && rc == 0) {
4415 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4416
4417 /* Advance to the next dword. */
4418 offset32 += 4;
4419 ret_buf += 4;
4420 len32 -= 4;
4421 }
4422
4423 if (rc)
4424 return rc;
4425
4426 cmd_flags = BNX2_NVM_COMMAND_LAST;
4427 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4428
4429 memcpy(ret_buf, buf, 4 - extra);
4430 }
4431
4432 /* Disable access to flash interface */
4433 bnx2_disable_nvram_access(bp);
4434
4435 bnx2_release_nvram_lock(bp);
4436
4437 return rc;
4438}
4439
4440static int
4441bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4442 int buf_size)
4443{
4444 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004445 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004446 int rc = 0;
4447 int align_start, align_end;
4448
4449 buf = data_buf;
4450 offset32 = offset;
4451 len32 = buf_size;
4452 align_start = align_end = 0;
4453
4454 if ((align_start = (offset32 & 3))) {
4455 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004456 len32 += align_start;
4457 if (len32 < 4)
4458 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004459 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4460 return rc;
4461 }
4462
4463 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004464 align_end = 4 - (len32 & 3);
4465 len32 += align_end;
4466 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4467 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004468 }
4469
4470 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004471 align_buf = kmalloc(len32, GFP_KERNEL);
4472 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004473 return -ENOMEM;
4474 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004475 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004476 }
4477 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004478 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004479 }
Michael Chane6be7632007-01-08 19:56:13 -08004480 memcpy(align_buf + align_start, data_buf, buf_size);
4481 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004482 }
4483
Michael Chane30372c2007-07-16 18:26:23 -07004484 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004485 flash_buffer = kmalloc(264, GFP_KERNEL);
4486 if (flash_buffer == NULL) {
4487 rc = -ENOMEM;
4488 goto nvram_write_end;
4489 }
4490 }
4491
Michael Chanb6016b72005-05-26 13:03:09 -07004492 written = 0;
4493 while ((written < len32) && (rc == 0)) {
4494 u32 page_start, page_end, data_start, data_end;
4495 u32 addr, cmd_flags;
4496 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004497
4498 /* Find the page_start addr */
4499 page_start = offset32 + written;
4500 page_start -= (page_start % bp->flash_info->page_size);
4501 /* Find the page_end addr */
4502 page_end = page_start + bp->flash_info->page_size;
4503 /* Find the data_start addr */
4504 data_start = (written == 0) ? offset32 : page_start;
4505 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004506 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004507 (offset32 + len32) : page_end;
4508
4509 /* Request access to the flash interface. */
4510 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4511 goto nvram_write_end;
4512
4513 /* Enable access to flash interface */
4514 bnx2_enable_nvram_access(bp);
4515
4516 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004517 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004518 int j;
4519
4520 /* Read the whole page into the buffer
4521 * (non-buffer flash only) */
4522 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4523 if (j == (bp->flash_info->page_size - 4)) {
4524 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4525 }
4526 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004527 page_start + j,
4528 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004529 cmd_flags);
4530
4531 if (rc)
4532 goto nvram_write_end;
4533
4534 cmd_flags = 0;
4535 }
4536 }
4537
4538 /* Enable writes to flash interface (unlock write-protect) */
4539 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4540 goto nvram_write_end;
4541
Michael Chanb6016b72005-05-26 13:03:09 -07004542 /* Loop to write back the buffer data from page_start to
4543 * data_start */
4544 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004545 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004546 /* Erase the page */
4547 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4548 goto nvram_write_end;
4549
4550 /* Re-enable the write again for the actual write */
4551 bnx2_enable_nvram_write(bp);
4552
Michael Chanb6016b72005-05-26 13:03:09 -07004553 for (addr = page_start; addr < data_start;
4554 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004555
Michael Chanb6016b72005-05-26 13:03:09 -07004556 rc = bnx2_nvram_write_dword(bp, addr,
4557 &flash_buffer[i], cmd_flags);
4558
4559 if (rc != 0)
4560 goto nvram_write_end;
4561
4562 cmd_flags = 0;
4563 }
4564 }
4565
4566 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004567 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004568 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004569 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004570 (addr == data_end - 4))) {
4571
4572 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4573 }
4574 rc = bnx2_nvram_write_dword(bp, addr, buf,
4575 cmd_flags);
4576
4577 if (rc != 0)
4578 goto nvram_write_end;
4579
4580 cmd_flags = 0;
4581 buf += 4;
4582 }
4583
4584 /* Loop to write back the buffer data from data_end
4585 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004586 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004587 for (addr = data_end; addr < page_end;
4588 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004589
Michael Chanb6016b72005-05-26 13:03:09 -07004590 if (addr == page_end-4) {
4591 cmd_flags = BNX2_NVM_COMMAND_LAST;
4592 }
4593 rc = bnx2_nvram_write_dword(bp, addr,
4594 &flash_buffer[i], cmd_flags);
4595
4596 if (rc != 0)
4597 goto nvram_write_end;
4598
4599 cmd_flags = 0;
4600 }
4601 }
4602
4603 /* Disable writes to flash interface (lock write-protect) */
4604 bnx2_disable_nvram_write(bp);
4605
4606 /* Disable access to flash interface */
4607 bnx2_disable_nvram_access(bp);
4608 bnx2_release_nvram_lock(bp);
4609
4610 /* Increment written */
4611 written += data_end - data_start;
4612 }
4613
4614nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004615 kfree(flash_buffer);
4616 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004617 return rc;
4618}
4619
Michael Chan0d8a6572007-07-07 22:49:43 -07004620static void
Michael Chan7c62e832008-07-14 22:39:03 -07004621bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004622{
Michael Chan7c62e832008-07-14 22:39:03 -07004623 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004624
Michael Chan583c28e2008-01-21 19:51:35 -08004625 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004626 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4627
4628 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4629 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004630
Michael Chan2726d6e2008-01-29 21:35:05 -08004631 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004632 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4633 return;
4634
Michael Chan7c62e832008-07-14 22:39:03 -07004635 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4636 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4637 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4638 }
4639
4640 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4641 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4642 u32 link;
4643
Michael Chan583c28e2008-01-21 19:51:35 -08004644 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004645
Michael Chan7c62e832008-07-14 22:39:03 -07004646 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4647 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004648 bp->phy_port = PORT_FIBRE;
4649 else
4650 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004651
Michael Chan7c62e832008-07-14 22:39:03 -07004652 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4653 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004654 }
Michael Chan7c62e832008-07-14 22:39:03 -07004655
4656 if (netif_running(bp->dev) && sig)
4657 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004658}
4659
Michael Chanb4b36042007-12-20 19:59:30 -08004660static void
4661bnx2_setup_msix_tbl(struct bnx2 *bp)
4662{
4663 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4664
4665 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4666 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4667}
4668
Michael Chanb6016b72005-05-26 13:03:09 -07004669static int
4670bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4671{
4672 u32 val;
4673 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004674 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004675
4676 /* Wait for the current PCI transaction to complete before
4677 * issuing a reset. */
4678 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4679 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4680 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4681 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4682 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4683 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4684 udelay(5);
4685
Michael Chanb090ae22006-01-23 16:07:10 -08004686 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004687 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004688
Michael Chanb6016b72005-05-26 13:03:09 -07004689 /* Deposit a driver reset signature so the firmware knows that
4690 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004691 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4692 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004693
Michael Chanb6016b72005-05-26 13:03:09 -07004694 /* Do a dummy read to force the chip to complete all current transaction
4695 * before we issue a reset. */
4696 val = REG_RD(bp, BNX2_MISC_ID);
4697
Michael Chan234754d2006-11-19 14:11:41 -08004698 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4699 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4700 REG_RD(bp, BNX2_MISC_COMMAND);
4701 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004702
Michael Chan234754d2006-11-19 14:11:41 -08004703 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4704 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004705
Michael Chan234754d2006-11-19 14:11:41 -08004706 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004707
Michael Chan234754d2006-11-19 14:11:41 -08004708 } else {
4709 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4710 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4711 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4712
4713 /* Chip reset. */
4714 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4715
Michael Chan594a9df2007-08-28 15:39:42 -07004716 /* Reading back any register after chip reset will hang the
4717 * bus on 5706 A0 and A1. The msleep below provides plenty
4718 * of margin for write posting.
4719 */
Michael Chan234754d2006-11-19 14:11:41 -08004720 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004721 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4722 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004723
Michael Chan234754d2006-11-19 14:11:41 -08004724 /* Reset takes approximate 30 usec */
4725 for (i = 0; i < 10; i++) {
4726 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4727 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4728 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4729 break;
4730 udelay(10);
4731 }
4732
4733 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4734 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004735 pr_err("Chip reset did not complete\n");
Michael Chan234754d2006-11-19 14:11:41 -08004736 return -EBUSY;
4737 }
Michael Chanb6016b72005-05-26 13:03:09 -07004738 }
4739
4740 /* Make sure byte swapping is properly configured. */
4741 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4742 if (val != 0x01020304) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004743 pr_err("Chip not in correct endian mode\n");
Michael Chanb6016b72005-05-26 13:03:09 -07004744 return -ENODEV;
4745 }
4746
Michael Chanb6016b72005-05-26 13:03:09 -07004747 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004748 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004749 if (rc)
4750 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004751
Michael Chan0d8a6572007-07-07 22:49:43 -07004752 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004753 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004754 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004755 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4756 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004757 bnx2_set_default_remote_link(bp);
4758 spin_unlock_bh(&bp->phy_lock);
4759
Michael Chanb6016b72005-05-26 13:03:09 -07004760 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4761 /* Adjust the voltage regular to two steps lower. The default
4762 * of this register is 0x0000000e. */
4763 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4764
4765 /* Remove bad rbuf memory from the free pool. */
4766 rc = bnx2_alloc_bad_rbuf(bp);
4767 }
4768
Michael Chanc441b8d2010-04-27 11:28:09 +00004769 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanb4b36042007-12-20 19:59:30 -08004770 bnx2_setup_msix_tbl(bp);
Michael Chanc441b8d2010-04-27 11:28:09 +00004771 /* Prevent MSIX table reads and write from timing out */
4772 REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
4773 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4774 }
Michael Chanb4b36042007-12-20 19:59:30 -08004775
Michael Chanb6016b72005-05-26 13:03:09 -07004776 return rc;
4777}
4778
4779static int
4780bnx2_init_chip(struct bnx2 *bp)
4781{
Michael Chand8026d92008-11-12 16:02:20 -08004782 u32 val, mtu;
Michael Chanb4b36042007-12-20 19:59:30 -08004783 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004784
4785 /* Make sure the interrupt is not active. */
4786 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4787
4788 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4789 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4790#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004791 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004792#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004793 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004794 DMA_READ_CHANS << 12 |
4795 DMA_WRITE_CHANS << 16;
4796
4797 val |= (0x2 << 20) | (1 << 11);
4798
David S. Millerf86e82f2008-01-21 17:15:40 -08004799 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004800 val |= (1 << 23);
4801
4802 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004803 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004804 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4805
4806 REG_WR(bp, BNX2_DMA_CONFIG, val);
4807
4808 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4809 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4810 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4811 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4812 }
4813
David S. Millerf86e82f2008-01-21 17:15:40 -08004814 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004815 u16 val16;
4816
4817 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4818 &val16);
4819 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4820 val16 & ~PCI_X_CMD_ERO);
4821 }
4822
4823 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4824 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4825 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4826 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4827
4828 /* Initialize context mapping and zero out the quick contexts. The
4829 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004830 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4831 rc = bnx2_init_5709_context(bp);
4832 if (rc)
4833 return rc;
4834 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004835 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004836
Michael Chanfba9fe92006-06-12 22:21:25 -07004837 if ((rc = bnx2_init_cpus(bp)) != 0)
4838 return rc;
4839
Michael Chanb6016b72005-05-26 13:03:09 -07004840 bnx2_init_nvram(bp);
4841
Benjamin Li5fcaed02008-07-14 22:39:52 -07004842 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004843
4844 val = REG_RD(bp, BNX2_MQ_CONFIG);
4845 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4846 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan4edd4732009-06-08 18:14:42 -07004847 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4848 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4849 if (CHIP_REV(bp) == CHIP_REV_Ax)
4850 val |= BNX2_MQ_CONFIG_HALT_DIS;
4851 }
Michael Chan68c9f752007-04-24 15:35:53 -07004852
Michael Chanb6016b72005-05-26 13:03:09 -07004853 REG_WR(bp, BNX2_MQ_CONFIG, val);
4854
4855 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4856 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4857 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4858
4859 val = (BCM_PAGE_BITS - 8) << 24;
4860 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4861
4862 /* Configure page size. */
4863 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4864 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4865 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4866 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4867
4868 val = bp->mac_addr[0] +
4869 (bp->mac_addr[1] << 8) +
4870 (bp->mac_addr[2] << 16) +
4871 bp->mac_addr[3] +
4872 (bp->mac_addr[4] << 8) +
4873 (bp->mac_addr[5] << 16);
4874 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4875
4876 /* Program the MTU. Also include 4 bytes for CRC32. */
Michael Chand8026d92008-11-12 16:02:20 -08004877 mtu = bp->dev->mtu;
4878 val = mtu + ETH_HLEN + ETH_FCS_LEN;
Michael Chanb6016b72005-05-26 13:03:09 -07004879 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4880 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4881 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4882
Michael Chand8026d92008-11-12 16:02:20 -08004883 if (mtu < 1500)
4884 mtu = 1500;
4885
4886 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4887 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4888 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4889
Michael Chan155d5562009-08-21 16:20:43 +00004890 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
Michael Chanb4b36042007-12-20 19:59:30 -08004891 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4892 bp->bnx2_napi[i].last_status_idx = 0;
4893
Michael Chanefba0182008-12-03 00:36:15 -08004894 bp->idle_chk_status_idx = 0xffff;
4895
Michael Chanb6016b72005-05-26 13:03:09 -07004896 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4897
4898 /* Set up how to generate a link change interrupt. */
4899 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4900
4901 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4902 (u64) bp->status_blk_mapping & 0xffffffff);
4903 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4904
4905 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4906 (u64) bp->stats_blk_mapping & 0xffffffff);
4907 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4908 (u64) bp->stats_blk_mapping >> 32);
4909
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004910 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004911 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4912
4913 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4914 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4915
4916 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4917 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4918
4919 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4920
4921 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4922
4923 REG_WR(bp, BNX2_HC_COM_TICKS,
4924 (bp->com_ticks_int << 16) | bp->com_ticks);
4925
4926 REG_WR(bp, BNX2_HC_CMD_TICKS,
4927 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4928
Michael Chan61d9e3f2009-08-21 16:20:46 +00004929 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
Michael Chan02537b062007-06-04 21:24:07 -07004930 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4931 else
Michael Chan7ea69202007-07-16 18:27:10 -07004932 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004933 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4934
4935 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004936 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004937 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004938 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4939 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004940 }
4941
Michael Chanefde73a2010-02-15 19:42:07 +00004942 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanc76c0472007-12-20 20:01:19 -08004943 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4944 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4945
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004946 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4947 }
4948
4949 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chancf7474a2009-08-21 16:20:48 +00004950 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004951
4952 REG_WR(bp, BNX2_HC_CONFIG, val);
4953
4954 for (i = 1; i < bp->irq_nvecs; i++) {
4955 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4956 BNX2_HC_SB_CONFIG_1;
4957
Michael Chan6f743ca2008-01-29 21:34:08 -08004958 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004959 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004960 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08004961 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4962
Michael Chan6f743ca2008-01-29 21:34:08 -08004963 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004964 (bp->tx_quick_cons_trip_int << 16) |
4965 bp->tx_quick_cons_trip);
4966
Michael Chan6f743ca2008-01-29 21:34:08 -08004967 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004968 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4969
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004970 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4971 (bp->rx_quick_cons_trip_int << 16) |
4972 bp->rx_quick_cons_trip);
4973
4974 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4975 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08004976 }
4977
Michael Chanb6016b72005-05-26 13:03:09 -07004978 /* Clear internal stats counters. */
4979 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4980
Michael Chanda3e4fb2007-05-03 13:24:23 -07004981 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004982
4983 /* Initialize the receive filter. */
4984 bnx2_set_rx_mode(bp->dev);
4985
Michael Chan0aa38df2007-06-04 21:23:06 -07004986 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4987 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4988 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4989 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4990 }
Michael Chanb090ae22006-01-23 16:07:10 -08004991 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07004992 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004993
Michael Chandf149d72007-07-07 22:51:36 -07004994 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004995 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4996
4997 udelay(20);
4998
Michael Chanbf5295b2006-03-23 01:11:56 -08004999 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
5000
Michael Chanb090ae22006-01-23 16:07:10 -08005001 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07005002}
5003
Michael Chan59b47d82006-11-19 14:10:45 -08005004static void
Michael Chanc76c0472007-12-20 20:01:19 -08005005bnx2_clear_ring_states(struct bnx2 *bp)
5006{
5007 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005008 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005009 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08005010 int i;
5011
5012 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5013 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07005014 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005015 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005016
Michael Chan35e90102008-06-19 16:37:42 -07005017 txr->tx_cons = 0;
5018 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005019 rxr->rx_prod_bseq = 0;
5020 rxr->rx_prod = 0;
5021 rxr->rx_cons = 0;
5022 rxr->rx_pg_prod = 0;
5023 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08005024 }
5025}
5026
5027static void
Michael Chan35e90102008-06-19 16:37:42 -07005028bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08005029{
5030 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08005031 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08005032
5033 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5034 offset0 = BNX2_L2CTX_TYPE_XI;
5035 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5036 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5037 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5038 } else {
5039 offset0 = BNX2_L2CTX_TYPE;
5040 offset1 = BNX2_L2CTX_CMD_TYPE;
5041 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5042 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5043 }
5044 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08005045 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005046
5047 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08005048 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005049
Michael Chan35e90102008-06-19 16:37:42 -07005050 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005051 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005052
Michael Chan35e90102008-06-19 16:37:42 -07005053 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005054 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005055}
Michael Chanb6016b72005-05-26 13:03:09 -07005056
5057static void
Michael Chan35e90102008-06-19 16:37:42 -07005058bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07005059{
5060 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08005061 u32 cid = TX_CID;
5062 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005063 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08005064
Michael Chan35e90102008-06-19 16:37:42 -07005065 bnapi = &bp->bnx2_napi[ring_num];
5066 txr = &bnapi->tx_ring;
5067
5068 if (ring_num == 0)
5069 cid = TX_CID;
5070 else
5071 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005072
Michael Chan2f8af122006-08-15 01:39:10 -07005073 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5074
Michael Chan35e90102008-06-19 16:37:42 -07005075 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005076
Michael Chan35e90102008-06-19 16:37:42 -07005077 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5078 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07005079
Michael Chan35e90102008-06-19 16:37:42 -07005080 txr->tx_prod = 0;
5081 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005082
Michael Chan35e90102008-06-19 16:37:42 -07005083 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5084 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07005085
Michael Chan35e90102008-06-19 16:37:42 -07005086 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07005087}
5088
5089static void
Michael Chan5d5d0012007-12-12 11:17:43 -08005090bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
5091 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07005092{
Michael Chanb6016b72005-05-26 13:03:09 -07005093 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08005094 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07005095
Michael Chan5d5d0012007-12-12 11:17:43 -08005096 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08005097 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005098
Michael Chan5d5d0012007-12-12 11:17:43 -08005099 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08005100 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08005101 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005102 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5103 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005104 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08005105 j = 0;
5106 else
5107 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08005108 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5109 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08005110 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005111}
5112
5113static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07005114bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08005115{
5116 int i;
5117 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005118 u32 cid, rx_cid_addr, val;
5119 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5120 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08005121
Michael Chanbb4f98a2008-06-19 16:38:19 -07005122 if (ring_num == 0)
5123 cid = RX_CID;
5124 else
5125 cid = RX_RSS_CID + ring_num - 1;
5126
5127 rx_cid_addr = GET_CID_ADDR(cid);
5128
5129 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08005130 bp->rx_buf_use_size, bp->rx_max_ring);
5131
Michael Chanbb4f98a2008-06-19 16:38:19 -07005132 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08005133
5134 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5135 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
5136 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
5137 }
5138
Michael Chan62a83132008-01-29 21:35:40 -08005139 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08005140 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07005141 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5142 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08005143 PAGE_SIZE, bp->rx_max_pg_ring);
5144 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08005145 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5146 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005147 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08005148
Michael Chanbb4f98a2008-06-19 16:38:19 -07005149 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005150 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005151
Michael Chanbb4f98a2008-06-19 16:38:19 -07005152 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005153 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005154
5155 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5156 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
5157 }
Michael Chanb6016b72005-05-26 13:03:09 -07005158
Michael Chanbb4f98a2008-06-19 16:38:19 -07005159 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005160 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005161
Michael Chanbb4f98a2008-06-19 16:38:19 -07005162 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005163 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005164
Michael Chanbb4f98a2008-06-19 16:38:19 -07005165 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005166 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Michael Chanb929e532009-12-03 09:46:33 +00005167 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005168 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5169 ring_num, i, bp->rx_pg_ring_size);
Michael Chan47bf4242007-12-12 11:19:12 -08005170 break;
Michael Chanb929e532009-12-03 09:46:33 +00005171 }
Michael Chan47bf4242007-12-12 11:19:12 -08005172 prod = NEXT_RX_BD(prod);
5173 ring_prod = RX_PG_RING_IDX(prod);
5174 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005175 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005176
Michael Chanbb4f98a2008-06-19 16:38:19 -07005177 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08005178 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chanb929e532009-12-03 09:46:33 +00005179 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005180 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5181 ring_num, i, bp->rx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07005182 break;
Michael Chanb929e532009-12-03 09:46:33 +00005183 }
Michael Chanb6016b72005-05-26 13:03:09 -07005184 prod = NEXT_RX_BD(prod);
5185 ring_prod = RX_RING_IDX(prod);
5186 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005187 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005188
Michael Chanbb4f98a2008-06-19 16:38:19 -07005189 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5190 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5191 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07005192
Michael Chanbb4f98a2008-06-19 16:38:19 -07005193 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5194 REG_WR16(bp, rxr->rx_bidx_addr, prod);
5195
5196 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005197}
5198
Michael Chan35e90102008-06-19 16:37:42 -07005199static void
5200bnx2_init_all_rings(struct bnx2 *bp)
5201{
5202 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005203 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07005204
5205 bnx2_clear_ring_states(bp);
5206
5207 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
5208 for (i = 0; i < bp->num_tx_rings; i++)
5209 bnx2_init_tx_ring(bp, i);
5210
5211 if (bp->num_tx_rings > 1)
5212 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5213 (TX_TSS_CID << 7));
5214
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005215 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5216 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5217
Michael Chanbb4f98a2008-06-19 16:38:19 -07005218 for (i = 0; i < bp->num_rx_rings; i++)
5219 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005220
5221 if (bp->num_rx_rings > 1) {
5222 u32 tbl_32;
5223 u8 *tbl = (u8 *) &tbl_32;
5224
5225 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
5226 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
5227
5228 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
5229 tbl[i % 4] = i % (bp->num_rx_rings - 1);
5230 if ((i % 4) == 3)
5231 bnx2_reg_wr_ind(bp,
5232 BNX2_RXP_SCRATCH_RSS_TBL + i,
5233 cpu_to_be32(tbl_32));
5234 }
5235
5236 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5237 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5238
5239 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5240
5241 }
Michael Chan35e90102008-06-19 16:37:42 -07005242}
5243
Michael Chan5d5d0012007-12-12 11:17:43 -08005244static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08005245{
Michael Chan5d5d0012007-12-12 11:17:43 -08005246 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005247
Michael Chan5d5d0012007-12-12 11:17:43 -08005248 while (ring_size > MAX_RX_DESC_CNT) {
5249 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08005250 num_rings++;
5251 }
5252 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08005253 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005254 while ((max & num_rings) == 0)
5255 max >>= 1;
5256
5257 if (num_rings != max)
5258 max <<= 1;
5259
Michael Chan5d5d0012007-12-12 11:17:43 -08005260 return max;
5261}
5262
5263static void
5264bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5265{
Michael Chan84eaa182007-12-12 11:19:57 -08005266 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08005267
5268 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005269 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08005270
Michael Chan84eaa182007-12-12 11:19:57 -08005271 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
5272 sizeof(struct skb_shared_info);
5273
Benjamin Li601d3d12008-05-16 22:19:35 -07005274 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08005275 bp->rx_pg_ring_size = 0;
5276 bp->rx_max_pg_ring = 0;
5277 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08005278 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08005279 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5280
5281 jumbo_size = size * pages;
5282 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
5283 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
5284
5285 bp->rx_pg_ring_size = jumbo_size;
5286 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
5287 MAX_RX_PG_RINGS);
5288 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07005289 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08005290 bp->rx_copy_thresh = 0;
5291 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005292
5293 bp->rx_buf_use_size = rx_size;
5294 /* hw alignment */
5295 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005296 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08005297 bp->rx_ring_size = size;
5298 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08005299 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5300}
5301
5302static void
Michael Chanb6016b72005-05-26 13:03:09 -07005303bnx2_free_tx_skbs(struct bnx2 *bp)
5304{
5305 int i;
5306
Michael Chan35e90102008-06-19 16:37:42 -07005307 for (i = 0; i < bp->num_tx_rings; i++) {
5308 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5309 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5310 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005311
Michael Chan35e90102008-06-19 16:37:42 -07005312 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005313 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005314
Michael Chan35e90102008-06-19 16:37:42 -07005315 for (j = 0; j < TX_DESC_CNT; ) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005316 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
Michael Chan35e90102008-06-19 16:37:42 -07005317 struct sk_buff *skb = tx_buf->skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00005318 int k, last;
Michael Chan35e90102008-06-19 16:37:42 -07005319
5320 if (skb == NULL) {
5321 j++;
5322 continue;
5323 }
5324
Alexander Duycke95524a2009-12-02 16:47:57 +00005325 pci_unmap_single(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005326 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005327 skb_headlen(skb),
5328 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005329
Michael Chan35e90102008-06-19 16:37:42 -07005330 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005331
Alexander Duycke95524a2009-12-02 16:47:57 +00005332 last = tx_buf->nr_frags;
5333 j++;
5334 for (k = 0; k < last; k++, j++) {
5335 tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
5336 pci_unmap_page(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005337 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005338 skb_shinfo(skb)->frags[k].size,
5339 PCI_DMA_TODEVICE);
5340 }
Michael Chan35e90102008-06-19 16:37:42 -07005341 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005342 }
Michael Chanb6016b72005-05-26 13:03:09 -07005343 }
Michael Chanb6016b72005-05-26 13:03:09 -07005344}
5345
5346static void
5347bnx2_free_rx_skbs(struct bnx2 *bp)
5348{
5349 int i;
5350
Michael Chanbb4f98a2008-06-19 16:38:19 -07005351 for (i = 0; i < bp->num_rx_rings; i++) {
5352 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5353 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5354 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005355
Michael Chanbb4f98a2008-06-19 16:38:19 -07005356 if (rxr->rx_buf_ring == NULL)
5357 return;
Michael Chanb6016b72005-05-26 13:03:09 -07005358
Michael Chanbb4f98a2008-06-19 16:38:19 -07005359 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5360 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5361 struct sk_buff *skb = rx_buf->skb;
Michael Chanb6016b72005-05-26 13:03:09 -07005362
Michael Chanbb4f98a2008-06-19 16:38:19 -07005363 if (skb == NULL)
5364 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005365
Michael Chanbb4f98a2008-06-19 16:38:19 -07005366 pci_unmap_single(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005367 dma_unmap_addr(rx_buf, mapping),
Michael Chanbb4f98a2008-06-19 16:38:19 -07005368 bp->rx_buf_use_size,
5369 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005370
Michael Chanbb4f98a2008-06-19 16:38:19 -07005371 rx_buf->skb = NULL;
5372
5373 dev_kfree_skb(skb);
5374 }
5375 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5376 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005377 }
5378}
5379
5380static void
5381bnx2_free_skbs(struct bnx2 *bp)
5382{
5383 bnx2_free_tx_skbs(bp);
5384 bnx2_free_rx_skbs(bp);
5385}
5386
5387static int
5388bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5389{
5390 int rc;
5391
5392 rc = bnx2_reset_chip(bp, reset_code);
5393 bnx2_free_skbs(bp);
5394 if (rc)
5395 return rc;
5396
Michael Chanfba9fe92006-06-12 22:21:25 -07005397 if ((rc = bnx2_init_chip(bp)) != 0)
5398 return rc;
5399
Michael Chan35e90102008-06-19 16:37:42 -07005400 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005401 return 0;
5402}
5403
5404static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005405bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005406{
5407 int rc;
5408
5409 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5410 return rc;
5411
Michael Chan80be4432006-11-19 14:07:28 -08005412 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005413 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005414 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005415 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5416 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005417 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005418 return 0;
5419}
5420
5421static int
Michael Chan74bf4ba2008-10-09 12:21:08 -07005422bnx2_shutdown_chip(struct bnx2 *bp)
5423{
5424 u32 reset_code;
5425
5426 if (bp->flags & BNX2_FLAG_NO_WOL)
5427 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5428 else if (bp->wol)
5429 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5430 else
5431 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5432
5433 return bnx2_reset_chip(bp, reset_code);
5434}
5435
5436static int
Michael Chanb6016b72005-05-26 13:03:09 -07005437bnx2_test_registers(struct bnx2 *bp)
5438{
5439 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005440 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005441 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005442 u16 offset;
5443 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005444#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005445 u32 rw_mask;
5446 u32 ro_mask;
5447 } reg_tbl[] = {
5448 { 0x006c, 0, 0x00000000, 0x0000003f },
5449 { 0x0090, 0, 0xffffffff, 0x00000000 },
5450 { 0x0094, 0, 0x00000000, 0x00000000 },
5451
Michael Chan5bae30c2007-05-03 13:18:46 -07005452 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5453 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5454 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5455 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5456 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5457 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5458 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5459 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5460 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005461
Michael Chan5bae30c2007-05-03 13:18:46 -07005462 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5463 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5464 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5465 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5466 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5467 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005468
Michael Chan5bae30c2007-05-03 13:18:46 -07005469 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5470 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5471 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005472
5473 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005474 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005475
5476 { 0x1408, 0, 0x01c00800, 0x00000000 },
5477 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5478 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005479 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005480 { 0x14b0, 0, 0x00000002, 0x00000001 },
5481 { 0x14b8, 0, 0x00000000, 0x00000000 },
5482 { 0x14c0, 0, 0x00000000, 0x00000009 },
5483 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5484 { 0x14cc, 0, 0x00000000, 0x00000001 },
5485 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005486
5487 { 0x1800, 0, 0x00000000, 0x00000001 },
5488 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005489
5490 { 0x2800, 0, 0x00000000, 0x00000001 },
5491 { 0x2804, 0, 0x00000000, 0x00003f01 },
5492 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5493 { 0x2810, 0, 0xffff0000, 0x00000000 },
5494 { 0x2814, 0, 0xffff0000, 0x00000000 },
5495 { 0x2818, 0, 0xffff0000, 0x00000000 },
5496 { 0x281c, 0, 0xffff0000, 0x00000000 },
5497 { 0x2834, 0, 0xffffffff, 0x00000000 },
5498 { 0x2840, 0, 0x00000000, 0xffffffff },
5499 { 0x2844, 0, 0x00000000, 0xffffffff },
5500 { 0x2848, 0, 0xffffffff, 0x00000000 },
5501 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5502
5503 { 0x2c00, 0, 0x00000000, 0x00000011 },
5504 { 0x2c04, 0, 0x00000000, 0x00030007 },
5505
Michael Chanb6016b72005-05-26 13:03:09 -07005506 { 0x3c00, 0, 0x00000000, 0x00000001 },
5507 { 0x3c04, 0, 0x00000000, 0x00070000 },
5508 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5509 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5510 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5511 { 0x3c14, 0, 0x00000000, 0xffffffff },
5512 { 0x3c18, 0, 0x00000000, 0xffffffff },
5513 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5514 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005515
5516 { 0x5004, 0, 0x00000000, 0x0000007f },
5517 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005518
Michael Chanb6016b72005-05-26 13:03:09 -07005519 { 0x5c00, 0, 0x00000000, 0x00000001 },
5520 { 0x5c04, 0, 0x00000000, 0x0003000f },
5521 { 0x5c08, 0, 0x00000003, 0x00000000 },
5522 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5523 { 0x5c10, 0, 0x00000000, 0xffffffff },
5524 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5525 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5526 { 0x5c88, 0, 0x00000000, 0x00077373 },
5527 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5528
5529 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5530 { 0x680c, 0, 0xffffffff, 0x00000000 },
5531 { 0x6810, 0, 0xffffffff, 0x00000000 },
5532 { 0x6814, 0, 0xffffffff, 0x00000000 },
5533 { 0x6818, 0, 0xffffffff, 0x00000000 },
5534 { 0x681c, 0, 0xffffffff, 0x00000000 },
5535 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5536 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5537 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5538 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5539 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5540 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5541 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5542 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5543 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5544 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5545 { 0x684c, 0, 0xffffffff, 0x00000000 },
5546 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5547 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5548 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5549 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5550 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5551 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5552
5553 { 0xffff, 0, 0x00000000, 0x00000000 },
5554 };
5555
5556 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005557 is_5709 = 0;
5558 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5559 is_5709 = 1;
5560
Michael Chanb6016b72005-05-26 13:03:09 -07005561 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5562 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005563 u16 flags = reg_tbl[i].flags;
5564
5565 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5566 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005567
5568 offset = (u32) reg_tbl[i].offset;
5569 rw_mask = reg_tbl[i].rw_mask;
5570 ro_mask = reg_tbl[i].ro_mask;
5571
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005572 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005573
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005574 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005575
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005576 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005577 if ((val & rw_mask) != 0) {
5578 goto reg_test_err;
5579 }
5580
5581 if ((val & ro_mask) != (save_val & ro_mask)) {
5582 goto reg_test_err;
5583 }
5584
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005585 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005586
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005587 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005588 if ((val & rw_mask) != rw_mask) {
5589 goto reg_test_err;
5590 }
5591
5592 if ((val & ro_mask) != (save_val & ro_mask)) {
5593 goto reg_test_err;
5594 }
5595
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005596 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005597 continue;
5598
5599reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005600 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005601 ret = -ENODEV;
5602 break;
5603 }
5604 return ret;
5605}
5606
5607static int
5608bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5609{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005610 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005611 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5612 int i;
5613
5614 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5615 u32 offset;
5616
5617 for (offset = 0; offset < size; offset += 4) {
5618
Michael Chan2726d6e2008-01-29 21:35:05 -08005619 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005620
Michael Chan2726d6e2008-01-29 21:35:05 -08005621 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005622 test_pattern[i]) {
5623 return -ENODEV;
5624 }
5625 }
5626 }
5627 return 0;
5628}
5629
5630static int
5631bnx2_test_memory(struct bnx2 *bp)
5632{
5633 int ret = 0;
5634 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005635 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005636 u32 offset;
5637 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005638 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005639 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005640 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005641 { 0xe0000, 0x4000 },
5642 { 0x120000, 0x4000 },
5643 { 0x1a0000, 0x4000 },
5644 { 0x160000, 0x4000 },
5645 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005646 },
5647 mem_tbl_5709[] = {
5648 { 0x60000, 0x4000 },
5649 { 0xa0000, 0x3000 },
5650 { 0xe0000, 0x4000 },
5651 { 0x120000, 0x4000 },
5652 { 0x1a0000, 0x4000 },
5653 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005654 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005655 struct mem_entry *mem_tbl;
5656
5657 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5658 mem_tbl = mem_tbl_5709;
5659 else
5660 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005661
5662 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5663 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5664 mem_tbl[i].len)) != 0) {
5665 return ret;
5666 }
5667 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005668
Michael Chanb6016b72005-05-26 13:03:09 -07005669 return ret;
5670}
5671
Michael Chanbc5a0692006-01-23 16:13:22 -08005672#define BNX2_MAC_LOOPBACK 0
5673#define BNX2_PHY_LOOPBACK 1
5674
Michael Chanb6016b72005-05-26 13:03:09 -07005675static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005676bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005677{
5678 unsigned int pkt_size, num_pkts, i;
5679 struct sk_buff *skb, *rx_skb;
5680 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005681 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005682 dma_addr_t map;
5683 struct tx_bd *txbd;
5684 struct sw_bd *rx_buf;
5685 struct l2_fhdr *rx_hdr;
5686 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005687 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005688 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005689 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005690
5691 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005692
Michael Chan35e90102008-06-19 16:37:42 -07005693 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005694 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005695 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5696 bp->loopback = MAC_LOOPBACK;
5697 bnx2_set_mac_loopback(bp);
5698 }
5699 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005700 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005701 return 0;
5702
Michael Chan80be4432006-11-19 14:07:28 -08005703 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005704 bnx2_set_phy_loopback(bp);
5705 }
5706 else
5707 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005708
Michael Chan84eaa182007-12-12 11:19:57 -08005709 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005710 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005711 if (!skb)
5712 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005713 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005714 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005715 memset(packet + 6, 0x0, 8);
5716 for (i = 14; i < pkt_size; i++)
5717 packet[i] = (unsigned char) (i & 0xff);
5718
Alexander Duycke95524a2009-12-02 16:47:57 +00005719 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5720 PCI_DMA_TODEVICE);
5721 if (pci_dma_mapping_error(bp->pdev, map)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005722 dev_kfree_skb(skb);
5723 return -EIO;
5724 }
Michael Chanb6016b72005-05-26 13:03:09 -07005725
Michael Chanbf5295b2006-03-23 01:11:56 -08005726 REG_WR(bp, BNX2_HC_COMMAND,
5727 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5728
Michael Chanb6016b72005-05-26 13:03:09 -07005729 REG_RD(bp, BNX2_HC_COMMAND);
5730
5731 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005732 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005733
Michael Chanb6016b72005-05-26 13:03:09 -07005734 num_pkts = 0;
5735
Michael Chan35e90102008-06-19 16:37:42 -07005736 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005737
5738 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5739 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5740 txbd->tx_bd_mss_nbytes = pkt_size;
5741 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5742
5743 num_pkts++;
Michael Chan35e90102008-06-19 16:37:42 -07005744 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5745 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005746
Michael Chan35e90102008-06-19 16:37:42 -07005747 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5748 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005749
5750 udelay(100);
5751
Michael Chanbf5295b2006-03-23 01:11:56 -08005752 REG_WR(bp, BNX2_HC_COMMAND,
5753 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5754
Michael Chanb6016b72005-05-26 13:03:09 -07005755 REG_RD(bp, BNX2_HC_COMMAND);
5756
5757 udelay(5);
5758
Alexander Duycke95524a2009-12-02 16:47:57 +00005759 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005760 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005761
Michael Chan35e90102008-06-19 16:37:42 -07005762 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005763 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005764
Michael Chan35efa7c2007-12-20 19:56:37 -08005765 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005766 if (rx_idx != rx_start_idx + num_pkts) {
5767 goto loopback_test_done;
5768 }
5769
Michael Chanbb4f98a2008-06-19 16:38:19 -07005770 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Michael Chanb6016b72005-05-26 13:03:09 -07005771 rx_skb = rx_buf->skb;
5772
Michael Chana33fa662010-05-06 08:58:13 +00005773 rx_hdr = rx_buf->desc;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005774 skb_reserve(rx_skb, BNX2_RX_OFFSET);
Michael Chanb6016b72005-05-26 13:03:09 -07005775
5776 pci_dma_sync_single_for_cpu(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005777 dma_unmap_addr(rx_buf, mapping),
Michael Chanb6016b72005-05-26 13:03:09 -07005778 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5779
Michael Chanade2bfe2006-01-23 16:09:51 -08005780 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005781 (L2_FHDR_ERRORS_BAD_CRC |
5782 L2_FHDR_ERRORS_PHY_DECODE |
5783 L2_FHDR_ERRORS_ALIGNMENT |
5784 L2_FHDR_ERRORS_TOO_SHORT |
5785 L2_FHDR_ERRORS_GIANT_FRAME)) {
5786
5787 goto loopback_test_done;
5788 }
5789
5790 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5791 goto loopback_test_done;
5792 }
5793
5794 for (i = 14; i < pkt_size; i++) {
5795 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5796 goto loopback_test_done;
5797 }
5798 }
5799
5800 ret = 0;
5801
5802loopback_test_done:
5803 bp->loopback = 0;
5804 return ret;
5805}
5806
Michael Chanbc5a0692006-01-23 16:13:22 -08005807#define BNX2_MAC_LOOPBACK_FAILED 1
5808#define BNX2_PHY_LOOPBACK_FAILED 2
5809#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5810 BNX2_PHY_LOOPBACK_FAILED)
5811
5812static int
5813bnx2_test_loopback(struct bnx2 *bp)
5814{
5815 int rc = 0;
5816
5817 if (!netif_running(bp->dev))
5818 return BNX2_LOOPBACK_FAILED;
5819
5820 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5821 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005822 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005823 spin_unlock_bh(&bp->phy_lock);
5824 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5825 rc |= BNX2_MAC_LOOPBACK_FAILED;
5826 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5827 rc |= BNX2_PHY_LOOPBACK_FAILED;
5828 return rc;
5829}
5830
Michael Chanb6016b72005-05-26 13:03:09 -07005831#define NVRAM_SIZE 0x200
5832#define CRC32_RESIDUAL 0xdebb20e3
5833
5834static int
5835bnx2_test_nvram(struct bnx2 *bp)
5836{
Al Virob491edd2007-12-22 19:44:51 +00005837 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005838 u8 *data = (u8 *) buf;
5839 int rc = 0;
5840 u32 magic, csum;
5841
5842 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5843 goto test_nvram_done;
5844
5845 magic = be32_to_cpu(buf[0]);
5846 if (magic != 0x669955aa) {
5847 rc = -ENODEV;
5848 goto test_nvram_done;
5849 }
5850
5851 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5852 goto test_nvram_done;
5853
5854 csum = ether_crc_le(0x100, data);
5855 if (csum != CRC32_RESIDUAL) {
5856 rc = -ENODEV;
5857 goto test_nvram_done;
5858 }
5859
5860 csum = ether_crc_le(0x100, data + 0x100);
5861 if (csum != CRC32_RESIDUAL) {
5862 rc = -ENODEV;
5863 }
5864
5865test_nvram_done:
5866 return rc;
5867}
5868
5869static int
5870bnx2_test_link(struct bnx2 *bp)
5871{
5872 u32 bmsr;
5873
Michael Chan9f52b562008-10-09 12:21:46 -07005874 if (!netif_running(bp->dev))
5875 return -ENODEV;
5876
Michael Chan583c28e2008-01-21 19:51:35 -08005877 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005878 if (bp->link_up)
5879 return 0;
5880 return -ENODEV;
5881 }
Michael Chanc770a652005-08-25 15:38:39 -07005882 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005883 bnx2_enable_bmsr1(bp);
5884 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5885 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5886 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005887 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005888
Michael Chanb6016b72005-05-26 13:03:09 -07005889 if (bmsr & BMSR_LSTATUS) {
5890 return 0;
5891 }
5892 return -ENODEV;
5893}
5894
5895static int
5896bnx2_test_intr(struct bnx2 *bp)
5897{
5898 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005899 u16 status_idx;
5900
5901 if (!netif_running(bp->dev))
5902 return -ENODEV;
5903
5904 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5905
5906 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005907 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005908 REG_RD(bp, BNX2_HC_COMMAND);
5909
5910 for (i = 0; i < 10; i++) {
5911 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5912 status_idx) {
5913
5914 break;
5915 }
5916
5917 msleep_interruptible(10);
5918 }
5919 if (i < 10)
5920 return 0;
5921
5922 return -ENODEV;
5923}
5924
Michael Chan38ea3682008-02-23 19:48:57 -08005925/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005926static int
5927bnx2_5706_serdes_has_link(struct bnx2 *bp)
5928{
5929 u32 mode_ctl, an_dbg, exp;
5930
Michael Chan38ea3682008-02-23 19:48:57 -08005931 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5932 return 0;
5933
Michael Chanb2fadea2008-01-21 17:07:06 -08005934 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5935 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5936
5937 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5938 return 0;
5939
5940 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5941 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5942 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5943
Michael Chanf3014c0c2008-01-29 21:33:03 -08005944 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005945 return 0;
5946
5947 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5948 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5949 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5950
5951 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5952 return 0;
5953
5954 return 1;
5955}
5956
Michael Chanb6016b72005-05-26 13:03:09 -07005957static void
Michael Chan48b01e22006-11-19 14:08:00 -08005958bnx2_5706_serdes_timer(struct bnx2 *bp)
5959{
Michael Chanb2fadea2008-01-21 17:07:06 -08005960 int check_link = 1;
5961
Michael Chan48b01e22006-11-19 14:08:00 -08005962 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005963 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005964 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005965 check_link = 0;
5966 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005967 u32 bmcr;
5968
Benjamin Liac392ab2008-09-18 16:40:49 -07005969 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005970
Michael Chanca58c3a2007-05-03 13:22:52 -07005971 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005972
5973 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005974 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005975 bmcr &= ~BMCR_ANENABLE;
5976 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005977 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005978 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005979 }
5980 }
5981 }
5982 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005983 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005984 u32 phy2;
5985
5986 bnx2_write_phy(bp, 0x17, 0x0f01);
5987 bnx2_read_phy(bp, 0x15, &phy2);
5988 if (phy2 & 0x20) {
5989 u32 bmcr;
5990
Michael Chanca58c3a2007-05-03 13:22:52 -07005991 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005992 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005993 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005994
Michael Chan583c28e2008-01-21 19:51:35 -08005995 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005996 }
5997 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07005998 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005999
Michael Chana2724e22008-02-23 19:47:44 -08006000 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08006001 u32 val;
6002
6003 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6004 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6005 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6006
Michael Chana2724e22008-02-23 19:47:44 -08006007 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6008 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6009 bnx2_5706s_force_link_dn(bp, 1);
6010 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6011 } else
6012 bnx2_set_link(bp);
6013 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6014 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08006015 }
Michael Chan48b01e22006-11-19 14:08:00 -08006016 spin_unlock(&bp->phy_lock);
6017}
6018
6019static void
Michael Chanf8dd0642006-11-19 14:08:29 -08006020bnx2_5708_serdes_timer(struct bnx2 *bp)
6021{
Michael Chan583c28e2008-01-21 19:51:35 -08006022 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07006023 return;
6024
Michael Chan583c28e2008-01-21 19:51:35 -08006025 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006026 bp->serdes_an_pending = 0;
6027 return;
6028 }
6029
6030 spin_lock(&bp->phy_lock);
6031 if (bp->serdes_an_pending)
6032 bp->serdes_an_pending--;
6033 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6034 u32 bmcr;
6035
Michael Chanca58c3a2007-05-03 13:22:52 -07006036 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08006037 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07006038 bnx2_enable_forced_2g5(bp);
Michael Chan40105c02008-11-12 16:02:45 -08006039 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006040 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07006041 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08006042 bp->serdes_an_pending = 2;
Benjamin Liac392ab2008-09-18 16:40:49 -07006043 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006044 }
6045
6046 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006047 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006048
6049 spin_unlock(&bp->phy_lock);
6050}
6051
6052static void
Michael Chanb6016b72005-05-26 13:03:09 -07006053bnx2_timer(unsigned long data)
6054{
6055 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07006056
Michael Chancd339a02005-08-25 15:35:24 -07006057 if (!netif_running(bp->dev))
6058 return;
6059
Michael Chanb6016b72005-05-26 13:03:09 -07006060 if (atomic_read(&bp->intr_sem) != 0)
6061 goto bnx2_restart_timer;
6062
Michael Chanefba0182008-12-03 00:36:15 -08006063 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6064 BNX2_FLAG_USING_MSI)
6065 bnx2_chk_missed_msi(bp);
6066
Michael Chandf149d72007-07-07 22:51:36 -07006067 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006068
Michael Chan2726d6e2008-01-29 21:35:05 -08006069 bp->stats_blk->stat_FwRxDrop =
6070 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07006071
Michael Chan02537b062007-06-04 21:24:07 -07006072 /* workaround occasional corrupted counters */
Michael Chan61d9e3f2009-08-21 16:20:46 +00006073 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
Michael Chan02537b062007-06-04 21:24:07 -07006074 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6075 BNX2_HC_COMMAND_STATS_NOW);
6076
Michael Chan583c28e2008-01-21 19:51:35 -08006077 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006078 if (CHIP_NUM(bp) == CHIP_NUM_5706)
6079 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07006080 else
Michael Chanf8dd0642006-11-19 14:08:29 -08006081 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006082 }
6083
6084bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07006085 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006086}
6087
Michael Chan8e6a72c2007-05-03 13:24:48 -07006088static int
6089bnx2_request_irq(struct bnx2 *bp)
6090{
Michael Chan6d866ff2007-12-20 19:56:09 -08006091 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08006092 struct bnx2_irq *irq;
6093 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006094
David S. Millerf86e82f2008-01-21 17:15:40 -08006095 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08006096 flags = 0;
6097 else
6098 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08006099
6100 for (i = 0; i < bp->irq_nvecs; i++) {
6101 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08006102 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07006103 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006104 if (rc)
6105 break;
6106 irq->requested = 1;
6107 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07006108 return rc;
6109}
6110
6111static void
6112bnx2_free_irq(struct bnx2 *bp)
6113{
Michael Chanb4b36042007-12-20 19:59:30 -08006114 struct bnx2_irq *irq;
6115 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006116
Michael Chanb4b36042007-12-20 19:59:30 -08006117 for (i = 0; i < bp->irq_nvecs; i++) {
6118 irq = &bp->irq_tbl[i];
6119 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07006120 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006121 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08006122 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006123 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08006124 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08006125 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08006126 pci_disable_msix(bp->pdev);
6127
David S. Millerf86e82f2008-01-21 17:15:40 -08006128 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08006129}
6130
6131static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006132bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08006133{
Michael Chan57851d82007-12-20 20:01:44 -08006134 int i, rc;
6135 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
Michael Chan4e1d0de2008-12-16 20:27:45 -08006136 struct net_device *dev = bp->dev;
6137 const int len = sizeof(bp->irq_tbl[0].name);
Michael Chan57851d82007-12-20 20:01:44 -08006138
Michael Chanb4b36042007-12-20 19:59:30 -08006139 bnx2_setup_msix_tbl(bp);
6140 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6141 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6142 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08006143
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006144 /* Need to flush the previous three writes to ensure MSI-X
6145 * is setup properly */
6146 REG_RD(bp, BNX2_PCI_MSIX_CONTROL);
6147
Michael Chan57851d82007-12-20 20:01:44 -08006148 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6149 msix_ent[i].entry = i;
6150 msix_ent[i].vector = 0;
6151 }
6152
6153 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
6154 if (rc != 0)
6155 return;
6156
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006157 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006158 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan69010312009-03-18 18:11:51 -07006159 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006160 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006161 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6162 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6163 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006164}
6165
6166static void
6167bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6168{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006169 int cpus = num_online_cpus();
Benjamin Li706bf242008-07-18 17:55:11 -07006170 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006171
Michael Chan6d866ff2007-12-20 19:56:09 -08006172 bp->irq_tbl[0].handler = bnx2_interrupt;
6173 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006174 bp->irq_nvecs = 1;
6175 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006176
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006177 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
6178 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006179
David S. Millerf86e82f2008-01-21 17:15:40 -08006180 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6181 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006182 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006183 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006184 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006185 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006186 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6187 } else
6188 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006189
6190 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006191 }
6192 }
Benjamin Li706bf242008-07-18 17:55:11 -07006193
6194 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6195 bp->dev->real_num_tx_queues = bp->num_tx_rings;
6196
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006197 bp->num_rx_rings = bp->irq_nvecs;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006198}
6199
Michael Chanb6016b72005-05-26 13:03:09 -07006200/* Called with rtnl_lock */
6201static int
6202bnx2_open(struct net_device *dev)
6203{
Michael Chan972ec0d2006-01-23 16:12:43 -08006204 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006205 int rc;
6206
Michael Chan1b2f9222007-05-03 13:20:19 -07006207 netif_carrier_off(dev);
6208
Pavel Machek829ca9a2005-09-03 15:56:56 -07006209 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07006210 bnx2_disable_int(bp);
6211
Michael Chan6d866ff2007-12-20 19:56:09 -08006212 bnx2_setup_int_mode(bp, disable_msi);
Benjamin Li4327ba42010-03-23 13:13:11 +00006213 bnx2_init_napi(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006214 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006215 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006216 if (rc)
6217 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006218
Michael Chan8e6a72c2007-05-03 13:24:48 -07006219 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006220 if (rc)
6221 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006222
Michael Chan9a120bc2008-05-16 22:17:45 -07006223 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006224 if (rc)
6225 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006226
Michael Chancd339a02005-08-25 15:35:24 -07006227 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006228
6229 atomic_set(&bp->intr_sem, 0);
6230
Michael Chan354fcd72010-01-17 07:30:44 +00006231 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6232
Michael Chanb6016b72005-05-26 13:03:09 -07006233 bnx2_enable_int(bp);
6234
David S. Millerf86e82f2008-01-21 17:15:40 -08006235 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006236 /* Test MSI to make sure it is working
6237 * If MSI test fails, go back to INTx mode
6238 */
6239 if (bnx2_test_intr(bp) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00006240 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 -07006241
6242 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006243 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006244
Michael Chan6d866ff2007-12-20 19:56:09 -08006245 bnx2_setup_int_mode(bp, 1);
6246
Michael Chan9a120bc2008-05-16 22:17:45 -07006247 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006248
Michael Chan8e6a72c2007-05-03 13:24:48 -07006249 if (!rc)
6250 rc = bnx2_request_irq(bp);
6251
Michael Chanb6016b72005-05-26 13:03:09 -07006252 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006253 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006254 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006255 }
6256 bnx2_enable_int(bp);
6257 }
6258 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006259 if (bp->flags & BNX2_FLAG_USING_MSI)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006260 netdev_info(dev, "using MSI\n");
David S. Millerf86e82f2008-01-21 17:15:40 -08006261 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006262 netdev_info(dev, "using MSIX\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006263
Benjamin Li706bf242008-07-18 17:55:11 -07006264 netif_tx_start_all_queues(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006265
6266 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07006267
6268open_err:
6269 bnx2_napi_disable(bp);
6270 bnx2_free_skbs(bp);
6271 bnx2_free_irq(bp);
6272 bnx2_free_mem(bp);
6273 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006274}
6275
6276static void
David Howellsc4028952006-11-22 14:57:56 +00006277bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006278{
David Howellsc4028952006-11-22 14:57:56 +00006279 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07006280
Michael Chan51bf6bb2009-12-03 09:46:31 +00006281 rtnl_lock();
6282 if (!netif_running(bp->dev)) {
6283 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006284 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006285 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006286
Michael Chan212f9932010-04-27 11:28:10 +00006287 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07006288
Michael Chan9a120bc2008-05-16 22:17:45 -07006289 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006290
6291 atomic_set(&bp->intr_sem, 1);
Michael Chan212f9932010-04-27 11:28:10 +00006292 bnx2_netif_start(bp, true);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006293 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006294}
6295
6296static void
Michael Chan20175c52009-12-03 09:46:32 +00006297bnx2_dump_state(struct bnx2 *bp)
6298{
6299 struct net_device *dev = bp->dev;
Eddie Waib98eba52010-05-17 17:32:56 -07006300 u32 mcp_p0, mcp_p1;
Michael Chan20175c52009-12-03 09:46:32 +00006301
Joe Perches3a9c6a42010-02-17 15:01:51 +00006302 netdev_err(dev, "DEBUG: intr_sem[%x]\n", atomic_read(&bp->intr_sem));
Eddie Waib98eba52010-05-17 17:32:56 -07006303 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
Joe Perches3a9c6a42010-02-17 15:01:51 +00006304 REG_RD(bp, BNX2_EMAC_TX_STATUS),
Eddie Waib98eba52010-05-17 17:32:56 -07006305 REG_RD(bp, BNX2_EMAC_RX_STATUS));
6306 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
Joe Perches3a9c6a42010-02-17 15:01:51 +00006307 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
Eddie Waib98eba52010-05-17 17:32:56 -07006308 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6309 mcp_p0 = BNX2_MCP_STATE_P0;
6310 mcp_p1 = BNX2_MCP_STATE_P1;
6311 } else {
6312 mcp_p0 = BNX2_MCP_STATE_P0_5708;
6313 mcp_p1 = BNX2_MCP_STATE_P1_5708;
6314 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00006315 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
Eddie Waib98eba52010-05-17 17:32:56 -07006316 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
Joe Perches3a9c6a42010-02-17 15:01:51 +00006317 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
6318 REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
Michael Chan20175c52009-12-03 09:46:32 +00006319 if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006320 netdev_err(dev, "DEBUG: PBA[%08x]\n",
6321 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
Michael Chan20175c52009-12-03 09:46:32 +00006322}
6323
6324static void
Michael Chanb6016b72005-05-26 13:03:09 -07006325bnx2_tx_timeout(struct net_device *dev)
6326{
Michael Chan972ec0d2006-01-23 16:12:43 -08006327 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006328
Michael Chan20175c52009-12-03 09:46:32 +00006329 bnx2_dump_state(bp);
6330
Michael Chanb6016b72005-05-26 13:03:09 -07006331 /* This allows the netif to be shutdown gracefully before resetting */
6332 schedule_work(&bp->reset_task);
6333}
6334
6335#ifdef BCM_VLAN
6336/* Called with rtnl_lock */
6337static void
6338bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6339{
Michael Chan972ec0d2006-01-23 16:12:43 -08006340 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006341
Michael Chan37675462009-08-21 16:20:44 +00006342 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00006343 bnx2_netif_stop(bp, false);
Michael Chanb6016b72005-05-26 13:03:09 -07006344
6345 bp->vlgrp = vlgrp;
Michael Chan37675462009-08-21 16:20:44 +00006346
6347 if (!netif_running(dev))
6348 return;
6349
Michael Chanb6016b72005-05-26 13:03:09 -07006350 bnx2_set_rx_mode(dev);
Michael Chan7c62e832008-07-14 22:39:03 -07006351 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
6352 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006353
Michael Chan212f9932010-04-27 11:28:10 +00006354 bnx2_netif_start(bp, false);
Michael Chanb6016b72005-05-26 13:03:09 -07006355}
Michael Chanb6016b72005-05-26 13:03:09 -07006356#endif
6357
Herbert Xu932ff272006-06-09 12:20:56 -07006358/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006359 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6360 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006361 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006362static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006363bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6364{
Michael Chan972ec0d2006-01-23 16:12:43 -08006365 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006366 dma_addr_t mapping;
6367 struct tx_bd *txbd;
Benjamin Li3d16af82008-10-09 12:26:41 -07006368 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006369 u32 len, vlan_tag_flags, last_frag, mss;
6370 u16 prod, ring_prod;
6371 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006372 struct bnx2_napi *bnapi;
6373 struct bnx2_tx_ring_info *txr;
6374 struct netdev_queue *txq;
6375
6376 /* Determine which tx ring we will be placed on */
6377 i = skb_get_queue_mapping(skb);
6378 bnapi = &bp->bnx2_napi[i];
6379 txr = &bnapi->tx_ring;
6380 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006381
Michael Chan35e90102008-06-19 16:37:42 -07006382 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006383 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006384 netif_tx_stop_queue(txq);
Joe Perches3a9c6a42010-02-17 15:01:51 +00006385 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006386
6387 return NETDEV_TX_BUSY;
6388 }
6389 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006390 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006391 ring_prod = TX_RING_IDX(prod);
6392
6393 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006394 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006395 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6396 }
6397
Michael Chan729b85c2008-08-14 15:29:39 -07006398#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08006399 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006400 vlan_tag_flags |=
6401 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6402 }
Michael Chan729b85c2008-08-14 15:29:39 -07006403#endif
Michael Chanfde82052007-05-03 17:23:35 -07006404 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006405 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006406 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006407
Michael Chanb6016b72005-05-26 13:03:09 -07006408 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6409
Michael Chan4666f872007-05-03 13:22:28 -07006410 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006411
Michael Chan4666f872007-05-03 13:22:28 -07006412 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6413 u32 tcp_off = skb_transport_offset(skb) -
6414 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006415
Michael Chan4666f872007-05-03 13:22:28 -07006416 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6417 TX_BD_FLAGS_SW_FLAGS;
6418 if (likely(tcp_off == 0))
6419 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6420 else {
6421 tcp_off >>= 3;
6422 vlan_tag_flags |= ((tcp_off & 0x3) <<
6423 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6424 ((tcp_off & 0x10) <<
6425 TX_BD_FLAGS_TCP6_OFF4_SHL);
6426 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6427 }
6428 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006429 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006430 if (tcp_opt_len || (iph->ihl > 5)) {
6431 vlan_tag_flags |= ((iph->ihl - 5) +
6432 (tcp_opt_len >> 2)) << 8;
6433 }
Michael Chanb6016b72005-05-26 13:03:09 -07006434 }
Michael Chan4666f872007-05-03 13:22:28 -07006435 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006436 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006437
Alexander Duycke95524a2009-12-02 16:47:57 +00006438 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
6439 if (pci_dma_mapping_error(bp->pdev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07006440 dev_kfree_skb(skb);
6441 return NETDEV_TX_OK;
6442 }
6443
Michael Chan35e90102008-06-19 16:37:42 -07006444 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006445 tx_buf->skb = skb;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006446 dma_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006447
Michael Chan35e90102008-06-19 16:37:42 -07006448 txbd = &txr->tx_desc_ring[ring_prod];
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 | TX_BD_FLAGS_START;
6454
6455 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006456 tx_buf->nr_frags = last_frag;
6457 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006458
6459 for (i = 0; i < last_frag; i++) {
6460 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6461
6462 prod = NEXT_TX_BD(prod);
6463 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006464 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006465
6466 len = frag->size;
Alexander Duycke95524a2009-12-02 16:47:57 +00006467 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
6468 len, PCI_DMA_TODEVICE);
6469 if (pci_dma_mapping_error(bp->pdev, mapping))
6470 goto dma_error;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006471 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
Alexander Duycke95524a2009-12-02 16:47:57 +00006472 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006473
6474 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6475 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6476 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6477 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6478
6479 }
6480 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6481
6482 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006483 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006484
Michael Chan35e90102008-06-19 16:37:42 -07006485 REG_WR16(bp, txr->tx_bidx_addr, prod);
6486 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006487
6488 mmiowb();
6489
Michael Chan35e90102008-06-19 16:37:42 -07006490 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006491
Michael Chan35e90102008-06-19 16:37:42 -07006492 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006493 netif_tx_stop_queue(txq);
Michael Chan35e90102008-06-19 16:37:42 -07006494 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006495 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006496 }
6497
6498 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006499dma_error:
6500 /* save value of frag that failed */
6501 last_frag = i;
6502
6503 /* start back at beginning and unmap skb */
6504 prod = txr->tx_prod;
6505 ring_prod = TX_RING_IDX(prod);
6506 tx_buf = &txr->tx_buf_ring[ring_prod];
6507 tx_buf->skb = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006508 pci_unmap_single(bp->pdev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006509 skb_headlen(skb), PCI_DMA_TODEVICE);
6510
6511 /* unmap remaining mapped pages */
6512 for (i = 0; i < last_frag; i++) {
6513 prod = NEXT_TX_BD(prod);
6514 ring_prod = TX_RING_IDX(prod);
6515 tx_buf = &txr->tx_buf_ring[ring_prod];
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006516 pci_unmap_page(bp->pdev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006517 skb_shinfo(skb)->frags[i].size,
6518 PCI_DMA_TODEVICE);
6519 }
6520
6521 dev_kfree_skb(skb);
6522 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006523}
6524
6525/* Called with rtnl_lock */
6526static int
6527bnx2_close(struct net_device *dev)
6528{
Michael Chan972ec0d2006-01-23 16:12:43 -08006529 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006530
David S. Miller4bb073c2008-06-12 02:22:02 -07006531 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006532
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006533 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006534 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006535 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006536 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006537 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006538 bnx2_free_skbs(bp);
6539 bnx2_free_mem(bp);
6540 bp->link_up = 0;
6541 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006542 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006543 return 0;
6544}
6545
Michael Chan354fcd72010-01-17 07:30:44 +00006546static void
6547bnx2_save_stats(struct bnx2 *bp)
6548{
6549 u32 *hw_stats = (u32 *) bp->stats_blk;
6550 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6551 int i;
6552
6553 /* The 1st 10 counters are 64-bit counters */
6554 for (i = 0; i < 20; i += 2) {
6555 u32 hi;
6556 u64 lo;
6557
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006558 hi = temp_stats[i] + hw_stats[i];
6559 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
Michael Chan354fcd72010-01-17 07:30:44 +00006560 if (lo > 0xffffffff)
6561 hi++;
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006562 temp_stats[i] = hi;
6563 temp_stats[i + 1] = lo & 0xffffffff;
Michael Chan354fcd72010-01-17 07:30:44 +00006564 }
6565
6566 for ( ; i < sizeof(struct statistics_block) / 4; i++)
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006567 temp_stats[i] += hw_stats[i];
Michael Chan354fcd72010-01-17 07:30:44 +00006568}
6569
Michael Chana4743052010-01-17 07:30:43 +00006570#define GET_64BIT_NET_STATS64(ctr) \
Michael Chanb6016b72005-05-26 13:03:09 -07006571 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6572 (unsigned long) (ctr##_lo)
6573
Michael Chana4743052010-01-17 07:30:43 +00006574#define GET_64BIT_NET_STATS32(ctr) \
Michael Chanb6016b72005-05-26 13:03:09 -07006575 (ctr##_lo)
6576
6577#if (BITS_PER_LONG == 64)
Michael Chana4743052010-01-17 07:30:43 +00006578#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006579 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6580 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006581#else
Michael Chana4743052010-01-17 07:30:43 +00006582#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006583 GET_64BIT_NET_STATS32(bp->stats_blk->ctr) + \
6584 GET_64BIT_NET_STATS32(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006585#endif
6586
Michael Chana4743052010-01-17 07:30:43 +00006587#define GET_32BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006588 (unsigned long) (bp->stats_blk->ctr + \
6589 bp->temp_stats_blk->ctr)
Michael Chana4743052010-01-17 07:30:43 +00006590
Michael Chanb6016b72005-05-26 13:03:09 -07006591static struct net_device_stats *
6592bnx2_get_stats(struct net_device *dev)
6593{
Michael Chan972ec0d2006-01-23 16:12:43 -08006594 struct bnx2 *bp = netdev_priv(dev);
Ilpo Järvinend8e80342008-11-28 15:52:43 -08006595 struct net_device_stats *net_stats = &dev->stats;
Michael Chanb6016b72005-05-26 13:03:09 -07006596
6597 if (bp->stats_blk == NULL) {
6598 return net_stats;
6599 }
6600 net_stats->rx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006601 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6602 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6603 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006604
6605 net_stats->tx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006606 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6607 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6608 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006609
6610 net_stats->rx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006611 GET_64BIT_NET_STATS(stat_IfHCInOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006612
6613 net_stats->tx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006614 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006615
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006616 net_stats->multicast =
Michael Chana4743052010-01-17 07:30:43 +00006617 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006618
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006619 net_stats->collisions =
Michael Chana4743052010-01-17 07:30:43 +00006620 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006621
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006622 net_stats->rx_length_errors =
Michael Chana4743052010-01-17 07:30:43 +00006623 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6624 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006625
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006626 net_stats->rx_over_errors =
Michael Chana4743052010-01-17 07:30:43 +00006627 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6628 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006629
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006630 net_stats->rx_frame_errors =
Michael Chana4743052010-01-17 07:30:43 +00006631 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006632
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006633 net_stats->rx_crc_errors =
Michael Chana4743052010-01-17 07:30:43 +00006634 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006635
6636 net_stats->rx_errors = net_stats->rx_length_errors +
6637 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6638 net_stats->rx_crc_errors;
6639
6640 net_stats->tx_aborted_errors =
Michael Chana4743052010-01-17 07:30:43 +00006641 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6642 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006643
Michael Chan5b0c76a2005-11-04 08:45:49 -08006644 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6645 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006646 net_stats->tx_carrier_errors = 0;
6647 else {
6648 net_stats->tx_carrier_errors =
Michael Chana4743052010-01-17 07:30:43 +00006649 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006650 }
6651
6652 net_stats->tx_errors =
Michael Chana4743052010-01-17 07:30:43 +00006653 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
Michael Chanb6016b72005-05-26 13:03:09 -07006654 net_stats->tx_aborted_errors +
6655 net_stats->tx_carrier_errors;
6656
Michael Chancea94db2006-06-12 22:16:13 -07006657 net_stats->rx_missed_errors =
Michael Chana4743052010-01-17 07:30:43 +00006658 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6659 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6660 GET_32BIT_NET_STATS(stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006661
Michael Chanb6016b72005-05-26 13:03:09 -07006662 return net_stats;
6663}
6664
6665/* All ethtool functions called with rtnl_lock */
6666
6667static int
6668bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6669{
Michael Chan972ec0d2006-01-23 16:12:43 -08006670 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006671 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006672
6673 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006674 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006675 support_serdes = 1;
6676 support_copper = 1;
6677 } else if (bp->phy_port == PORT_FIBRE)
6678 support_serdes = 1;
6679 else
6680 support_copper = 1;
6681
6682 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006683 cmd->supported |= SUPPORTED_1000baseT_Full |
6684 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006685 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006686 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006687
Michael Chanb6016b72005-05-26 13:03:09 -07006688 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006689 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006690 cmd->supported |= SUPPORTED_10baseT_Half |
6691 SUPPORTED_10baseT_Full |
6692 SUPPORTED_100baseT_Half |
6693 SUPPORTED_100baseT_Full |
6694 SUPPORTED_1000baseT_Full |
6695 SUPPORTED_TP;
6696
Michael Chanb6016b72005-05-26 13:03:09 -07006697 }
6698
Michael Chan7b6b8342007-07-07 22:50:15 -07006699 spin_lock_bh(&bp->phy_lock);
6700 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006701 cmd->advertising = bp->advertising;
6702
6703 if (bp->autoneg & AUTONEG_SPEED) {
6704 cmd->autoneg = AUTONEG_ENABLE;
6705 }
6706 else {
6707 cmd->autoneg = AUTONEG_DISABLE;
6708 }
6709
6710 if (netif_carrier_ok(dev)) {
6711 cmd->speed = bp->line_speed;
6712 cmd->duplex = bp->duplex;
6713 }
6714 else {
6715 cmd->speed = -1;
6716 cmd->duplex = -1;
6717 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006718 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006719
6720 cmd->transceiver = XCVR_INTERNAL;
6721 cmd->phy_address = bp->phy_addr;
6722
6723 return 0;
6724}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006725
Michael Chanb6016b72005-05-26 13:03:09 -07006726static int
6727bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6728{
Michael Chan972ec0d2006-01-23 16:12:43 -08006729 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006730 u8 autoneg = bp->autoneg;
6731 u8 req_duplex = bp->req_duplex;
6732 u16 req_line_speed = bp->req_line_speed;
6733 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006734 int err = -EINVAL;
6735
6736 spin_lock_bh(&bp->phy_lock);
6737
6738 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6739 goto err_out_unlock;
6740
Michael Chan583c28e2008-01-21 19:51:35 -08006741 if (cmd->port != bp->phy_port &&
6742 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006743 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006744
Michael Chand6b14482008-07-14 22:37:21 -07006745 /* If device is down, we can store the settings only if the user
6746 * is setting the currently active port.
6747 */
6748 if (!netif_running(dev) && cmd->port != bp->phy_port)
6749 goto err_out_unlock;
6750
Michael Chanb6016b72005-05-26 13:03:09 -07006751 if (cmd->autoneg == AUTONEG_ENABLE) {
6752 autoneg |= AUTONEG_SPEED;
6753
Michael Chanbeb499a2010-02-15 19:42:10 +00006754 advertising = cmd->advertising;
6755 if (cmd->port == PORT_TP) {
6756 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6757 if (!advertising)
Michael Chanb6016b72005-05-26 13:03:09 -07006758 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanbeb499a2010-02-15 19:42:10 +00006759 } else {
6760 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6761 if (!advertising)
6762 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006763 }
6764 advertising |= ADVERTISED_Autoneg;
6765 }
6766 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006767 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006768 if ((cmd->speed != SPEED_1000 &&
6769 cmd->speed != SPEED_2500) ||
6770 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006771 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006772
6773 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006774 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006775 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006776 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006777 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6778 goto err_out_unlock;
6779
Michael Chanb6016b72005-05-26 13:03:09 -07006780 autoneg &= ~AUTONEG_SPEED;
6781 req_line_speed = cmd->speed;
6782 req_duplex = cmd->duplex;
6783 advertising = 0;
6784 }
6785
6786 bp->autoneg = autoneg;
6787 bp->advertising = advertising;
6788 bp->req_line_speed = req_line_speed;
6789 bp->req_duplex = req_duplex;
6790
Michael Chand6b14482008-07-14 22:37:21 -07006791 err = 0;
6792 /* If device is down, the new settings will be picked up when it is
6793 * brought up.
6794 */
6795 if (netif_running(dev))
6796 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006797
Michael Chan7b6b8342007-07-07 22:50:15 -07006798err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006799 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006800
Michael Chan7b6b8342007-07-07 22:50:15 -07006801 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006802}
6803
6804static void
6805bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6806{
Michael Chan972ec0d2006-01-23 16:12:43 -08006807 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006808
6809 strcpy(info->driver, DRV_MODULE_NAME);
6810 strcpy(info->version, DRV_MODULE_VERSION);
6811 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006812 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006813}
6814
Michael Chan244ac4f2006-03-20 17:48:46 -08006815#define BNX2_REGDUMP_LEN (32 * 1024)
6816
6817static int
6818bnx2_get_regs_len(struct net_device *dev)
6819{
6820 return BNX2_REGDUMP_LEN;
6821}
6822
6823static void
6824bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6825{
6826 u32 *p = _p, i, offset;
6827 u8 *orig_p = _p;
6828 struct bnx2 *bp = netdev_priv(dev);
6829 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6830 0x0800, 0x0880, 0x0c00, 0x0c10,
6831 0x0c30, 0x0d08, 0x1000, 0x101c,
6832 0x1040, 0x1048, 0x1080, 0x10a4,
6833 0x1400, 0x1490, 0x1498, 0x14f0,
6834 0x1500, 0x155c, 0x1580, 0x15dc,
6835 0x1600, 0x1658, 0x1680, 0x16d8,
6836 0x1800, 0x1820, 0x1840, 0x1854,
6837 0x1880, 0x1894, 0x1900, 0x1984,
6838 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6839 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6840 0x2000, 0x2030, 0x23c0, 0x2400,
6841 0x2800, 0x2820, 0x2830, 0x2850,
6842 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6843 0x3c00, 0x3c94, 0x4000, 0x4010,
6844 0x4080, 0x4090, 0x43c0, 0x4458,
6845 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6846 0x4fc0, 0x5010, 0x53c0, 0x5444,
6847 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6848 0x5fc0, 0x6000, 0x6400, 0x6428,
6849 0x6800, 0x6848, 0x684c, 0x6860,
6850 0x6888, 0x6910, 0x8000 };
6851
6852 regs->version = 0;
6853
6854 memset(p, 0, BNX2_REGDUMP_LEN);
6855
6856 if (!netif_running(bp->dev))
6857 return;
6858
6859 i = 0;
6860 offset = reg_boundaries[0];
6861 p += offset;
6862 while (offset < BNX2_REGDUMP_LEN) {
6863 *p++ = REG_RD(bp, offset);
6864 offset += 4;
6865 if (offset == reg_boundaries[i + 1]) {
6866 offset = reg_boundaries[i + 2];
6867 p = (u32 *) (orig_p + offset);
6868 i += 2;
6869 }
6870 }
6871}
6872
Michael Chanb6016b72005-05-26 13:03:09 -07006873static void
6874bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6875{
Michael Chan972ec0d2006-01-23 16:12:43 -08006876 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006877
David S. Millerf86e82f2008-01-21 17:15:40 -08006878 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006879 wol->supported = 0;
6880 wol->wolopts = 0;
6881 }
6882 else {
6883 wol->supported = WAKE_MAGIC;
6884 if (bp->wol)
6885 wol->wolopts = WAKE_MAGIC;
6886 else
6887 wol->wolopts = 0;
6888 }
6889 memset(&wol->sopass, 0, sizeof(wol->sopass));
6890}
6891
6892static int
6893bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6894{
Michael Chan972ec0d2006-01-23 16:12:43 -08006895 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006896
6897 if (wol->wolopts & ~WAKE_MAGIC)
6898 return -EINVAL;
6899
6900 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006901 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006902 return -EINVAL;
6903
6904 bp->wol = 1;
6905 }
6906 else {
6907 bp->wol = 0;
6908 }
6909 return 0;
6910}
6911
6912static int
6913bnx2_nway_reset(struct net_device *dev)
6914{
Michael Chan972ec0d2006-01-23 16:12:43 -08006915 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006916 u32 bmcr;
6917
Michael Chan9f52b562008-10-09 12:21:46 -07006918 if (!netif_running(dev))
6919 return -EAGAIN;
6920
Michael Chanb6016b72005-05-26 13:03:09 -07006921 if (!(bp->autoneg & AUTONEG_SPEED)) {
6922 return -EINVAL;
6923 }
6924
Michael Chanc770a652005-08-25 15:38:39 -07006925 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006926
Michael Chan583c28e2008-01-21 19:51:35 -08006927 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006928 int rc;
6929
6930 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6931 spin_unlock_bh(&bp->phy_lock);
6932 return rc;
6933 }
6934
Michael Chanb6016b72005-05-26 13:03:09 -07006935 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006936 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006937 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006938 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006939
6940 msleep(20);
6941
Michael Chanc770a652005-08-25 15:38:39 -07006942 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006943
Michael Chan40105c02008-11-12 16:02:45 -08006944 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006945 bp->serdes_an_pending = 1;
6946 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006947 }
6948
Michael Chanca58c3a2007-05-03 13:22:52 -07006949 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006950 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006951 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006952
Michael Chanc770a652005-08-25 15:38:39 -07006953 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006954
6955 return 0;
6956}
6957
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07006958static u32
6959bnx2_get_link(struct net_device *dev)
6960{
6961 struct bnx2 *bp = netdev_priv(dev);
6962
6963 return bp->link_up;
6964}
6965
Michael Chanb6016b72005-05-26 13:03:09 -07006966static int
6967bnx2_get_eeprom_len(struct net_device *dev)
6968{
Michael Chan972ec0d2006-01-23 16:12:43 -08006969 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006970
Michael Chan1122db72006-01-23 16:11:42 -08006971 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006972 return 0;
6973
Michael Chan1122db72006-01-23 16:11:42 -08006974 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006975}
6976
6977static int
6978bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6979 u8 *eebuf)
6980{
Michael Chan972ec0d2006-01-23 16:12:43 -08006981 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006982 int rc;
6983
Michael Chan9f52b562008-10-09 12:21:46 -07006984 if (!netif_running(dev))
6985 return -EAGAIN;
6986
John W. Linville1064e942005-11-10 12:58:24 -08006987 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006988
6989 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6990
6991 return rc;
6992}
6993
6994static int
6995bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6996 u8 *eebuf)
6997{
Michael Chan972ec0d2006-01-23 16:12:43 -08006998 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006999 int rc;
7000
Michael Chan9f52b562008-10-09 12:21:46 -07007001 if (!netif_running(dev))
7002 return -EAGAIN;
7003
John W. Linville1064e942005-11-10 12:58:24 -08007004 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07007005
7006 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
7007
7008 return rc;
7009}
7010
7011static int
7012bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7013{
Michael Chan972ec0d2006-01-23 16:12:43 -08007014 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007015
7016 memset(coal, 0, sizeof(struct ethtool_coalesce));
7017
7018 coal->rx_coalesce_usecs = bp->rx_ticks;
7019 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7020 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7021 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7022
7023 coal->tx_coalesce_usecs = bp->tx_ticks;
7024 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7025 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7026 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7027
7028 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7029
7030 return 0;
7031}
7032
7033static int
7034bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7035{
Michael Chan972ec0d2006-01-23 16:12:43 -08007036 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007037
7038 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7039 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7040
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007041 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007042 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7043
7044 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7045 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7046
7047 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7048 if (bp->rx_quick_cons_trip_int > 0xff)
7049 bp->rx_quick_cons_trip_int = 0xff;
7050
7051 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7052 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7053
7054 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7055 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7056
7057 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7058 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7059
7060 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7061 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7062 0xff;
7063
7064 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007065 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007066 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7067 bp->stats_ticks = USEC_PER_SEC;
7068 }
Michael Chan7ea69202007-07-16 18:27:10 -07007069 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7070 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7071 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007072
7073 if (netif_running(bp->dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00007074 bnx2_netif_stop(bp, true);
Michael Chan9a120bc2008-05-16 22:17:45 -07007075 bnx2_init_nic(bp, 0);
Michael Chan212f9932010-04-27 11:28:10 +00007076 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007077 }
7078
7079 return 0;
7080}
7081
7082static void
7083bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7084{
Michael Chan972ec0d2006-01-23 16:12:43 -08007085 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007086
Michael Chan13daffa2006-03-20 17:49:20 -08007087 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007088 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007089 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007090
7091 ering->rx_pending = bp->rx_ring_size;
7092 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007093 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007094
7095 ering->tx_max_pending = MAX_TX_DESC_CNT;
7096 ering->tx_pending = bp->tx_ring_size;
7097}
7098
7099static int
Michael Chan5d5d0012007-12-12 11:17:43 -08007100bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07007101{
Michael Chan13daffa2006-03-20 17:49:20 -08007102 if (netif_running(bp->dev)) {
Michael Chan354fcd72010-01-17 07:30:44 +00007103 /* Reset will erase chipset stats; save them */
7104 bnx2_save_stats(bp);
7105
Michael Chan212f9932010-04-27 11:28:10 +00007106 bnx2_netif_stop(bp, true);
Michael Chan13daffa2006-03-20 17:49:20 -08007107 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
7108 bnx2_free_skbs(bp);
7109 bnx2_free_mem(bp);
7110 }
7111
Michael Chan5d5d0012007-12-12 11:17:43 -08007112 bnx2_set_rx_ring_size(bp, rx);
7113 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007114
7115 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08007116 int rc;
7117
7118 rc = bnx2_alloc_mem(bp);
Michael Chan6fefb652009-08-21 16:20:45 +00007119 if (!rc)
7120 rc = bnx2_init_nic(bp, 0);
7121
7122 if (rc) {
7123 bnx2_napi_enable(bp);
7124 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007125 return rc;
Michael Chan6fefb652009-08-21 16:20:45 +00007126 }
Michael Chane9f26c42010-02-15 19:42:08 +00007127#ifdef BCM_CNIC
7128 mutex_lock(&bp->cnic_lock);
7129 /* Let cnic know about the new status block. */
7130 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7131 bnx2_setup_cnic_irq_info(bp);
7132 mutex_unlock(&bp->cnic_lock);
7133#endif
Michael Chan212f9932010-04-27 11:28:10 +00007134 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007135 }
Michael Chanb6016b72005-05-26 13:03:09 -07007136 return 0;
7137}
7138
Michael Chan5d5d0012007-12-12 11:17:43 -08007139static int
7140bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7141{
7142 struct bnx2 *bp = netdev_priv(dev);
7143 int rc;
7144
7145 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7146 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7147 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7148
7149 return -EINVAL;
7150 }
7151 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7152 return rc;
7153}
7154
Michael Chanb6016b72005-05-26 13:03:09 -07007155static void
7156bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7157{
Michael Chan972ec0d2006-01-23 16:12:43 -08007158 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007159
7160 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7161 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7162 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7163}
7164
7165static int
7166bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7167{
Michael Chan972ec0d2006-01-23 16:12:43 -08007168 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007169
7170 bp->req_flow_ctrl = 0;
7171 if (epause->rx_pause)
7172 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7173 if (epause->tx_pause)
7174 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7175
7176 if (epause->autoneg) {
7177 bp->autoneg |= AUTONEG_FLOW_CTRL;
7178 }
7179 else {
7180 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7181 }
7182
Michael Chan9f52b562008-10-09 12:21:46 -07007183 if (netif_running(dev)) {
7184 spin_lock_bh(&bp->phy_lock);
7185 bnx2_setup_phy(bp, bp->phy_port);
7186 spin_unlock_bh(&bp->phy_lock);
7187 }
Michael Chanb6016b72005-05-26 13:03:09 -07007188
7189 return 0;
7190}
7191
7192static u32
7193bnx2_get_rx_csum(struct net_device *dev)
7194{
Michael Chan972ec0d2006-01-23 16:12:43 -08007195 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007196
7197 return bp->rx_csum;
7198}
7199
7200static int
7201bnx2_set_rx_csum(struct net_device *dev, u32 data)
7202{
Michael Chan972ec0d2006-01-23 16:12:43 -08007203 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007204
7205 bp->rx_csum = data;
7206 return 0;
7207}
7208
Michael Chanb11d6212006-06-29 12:31:21 -07007209static int
7210bnx2_set_tso(struct net_device *dev, u32 data)
7211{
Michael Chan4666f872007-05-03 13:22:28 -07007212 struct bnx2 *bp = netdev_priv(dev);
7213
7214 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07007215 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007216 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7217 dev->features |= NETIF_F_TSO6;
7218 } else
7219 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
7220 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07007221 return 0;
7222}
7223
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007224static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007225 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007226} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007227 { "rx_bytes" },
7228 { "rx_error_bytes" },
7229 { "tx_bytes" },
7230 { "tx_error_bytes" },
7231 { "rx_ucast_packets" },
7232 { "rx_mcast_packets" },
7233 { "rx_bcast_packets" },
7234 { "tx_ucast_packets" },
7235 { "tx_mcast_packets" },
7236 { "tx_bcast_packets" },
7237 { "tx_mac_errors" },
7238 { "tx_carrier_errors" },
7239 { "rx_crc_errors" },
7240 { "rx_align_errors" },
7241 { "tx_single_collisions" },
7242 { "tx_multi_collisions" },
7243 { "tx_deferred" },
7244 { "tx_excess_collisions" },
7245 { "tx_late_collisions" },
7246 { "tx_total_collisions" },
7247 { "rx_fragments" },
7248 { "rx_jabbers" },
7249 { "rx_undersize_packets" },
7250 { "rx_oversize_packets" },
7251 { "rx_64_byte_packets" },
7252 { "rx_65_to_127_byte_packets" },
7253 { "rx_128_to_255_byte_packets" },
7254 { "rx_256_to_511_byte_packets" },
7255 { "rx_512_to_1023_byte_packets" },
7256 { "rx_1024_to_1522_byte_packets" },
7257 { "rx_1523_to_9022_byte_packets" },
7258 { "tx_64_byte_packets" },
7259 { "tx_65_to_127_byte_packets" },
7260 { "tx_128_to_255_byte_packets" },
7261 { "tx_256_to_511_byte_packets" },
7262 { "tx_512_to_1023_byte_packets" },
7263 { "tx_1024_to_1522_byte_packets" },
7264 { "tx_1523_to_9022_byte_packets" },
7265 { "rx_xon_frames" },
7266 { "rx_xoff_frames" },
7267 { "tx_xon_frames" },
7268 { "tx_xoff_frames" },
7269 { "rx_mac_ctrl_frames" },
7270 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007271 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007272 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007273 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007274};
7275
Michael Chan790dab22009-08-21 16:20:47 +00007276#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
7277 sizeof(bnx2_stats_str_arr[0]))
7278
Michael Chanb6016b72005-05-26 13:03:09 -07007279#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7280
Arjan van de Venf71e1302006-03-03 21:33:57 -05007281static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007282 STATS_OFFSET32(stat_IfHCInOctets_hi),
7283 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7284 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7285 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7286 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7287 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7288 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7289 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7290 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7291 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7292 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007293 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7294 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7295 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7296 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7297 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7298 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7299 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7300 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7301 STATS_OFFSET32(stat_EtherStatsCollisions),
7302 STATS_OFFSET32(stat_EtherStatsFragments),
7303 STATS_OFFSET32(stat_EtherStatsJabbers),
7304 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7305 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7306 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7307 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7308 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7309 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7310 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7311 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7312 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7313 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7314 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7315 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7316 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7317 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7318 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7319 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7320 STATS_OFFSET32(stat_XonPauseFramesReceived),
7321 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7322 STATS_OFFSET32(stat_OutXonSent),
7323 STATS_OFFSET32(stat_OutXoffSent),
7324 STATS_OFFSET32(stat_MacControlFramesReceived),
7325 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007326 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007327 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007328 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007329};
7330
7331/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7332 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007333 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007334static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007335 8,0,8,8,8,8,8,8,8,8,
7336 4,0,4,4,4,4,4,4,4,4,
7337 4,4,4,4,4,4,4,4,4,4,
7338 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007339 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007340};
7341
Michael Chan5b0c76a2005-11-04 08:45:49 -08007342static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7343 8,0,8,8,8,8,8,8,8,8,
7344 4,4,4,4,4,4,4,4,4,4,
7345 4,4,4,4,4,4,4,4,4,4,
7346 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007347 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007348};
7349
Michael Chanb6016b72005-05-26 13:03:09 -07007350#define BNX2_NUM_TESTS 6
7351
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007352static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007353 char string[ETH_GSTRING_LEN];
7354} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7355 { "register_test (offline)" },
7356 { "memory_test (offline)" },
7357 { "loopback_test (offline)" },
7358 { "nvram_test (online)" },
7359 { "interrupt_test (online)" },
7360 { "link_test (online)" },
7361};
7362
7363static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007364bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007365{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007366 switch (sset) {
7367 case ETH_SS_TEST:
7368 return BNX2_NUM_TESTS;
7369 case ETH_SS_STATS:
7370 return BNX2_NUM_STATS;
7371 default:
7372 return -EOPNOTSUPP;
7373 }
Michael Chanb6016b72005-05-26 13:03:09 -07007374}
7375
7376static void
7377bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7378{
Michael Chan972ec0d2006-01-23 16:12:43 -08007379 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007380
Michael Chan9f52b562008-10-09 12:21:46 -07007381 bnx2_set_power_state(bp, PCI_D0);
7382
Michael Chanb6016b72005-05-26 13:03:09 -07007383 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7384 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007385 int i;
7386
Michael Chan212f9932010-04-27 11:28:10 +00007387 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007388 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7389 bnx2_free_skbs(bp);
7390
7391 if (bnx2_test_registers(bp) != 0) {
7392 buf[0] = 1;
7393 etest->flags |= ETH_TEST_FL_FAILED;
7394 }
7395 if (bnx2_test_memory(bp) != 0) {
7396 buf[1] = 1;
7397 etest->flags |= ETH_TEST_FL_FAILED;
7398 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007399 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007400 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007401
Michael Chan9f52b562008-10-09 12:21:46 -07007402 if (!netif_running(bp->dev))
7403 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007404 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007405 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00007406 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007407 }
7408
7409 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007410 for (i = 0; i < 7; i++) {
7411 if (bp->link_up)
7412 break;
7413 msleep_interruptible(1000);
7414 }
Michael Chanb6016b72005-05-26 13:03:09 -07007415 }
7416
7417 if (bnx2_test_nvram(bp) != 0) {
7418 buf[3] = 1;
7419 etest->flags |= ETH_TEST_FL_FAILED;
7420 }
7421 if (bnx2_test_intr(bp) != 0) {
7422 buf[4] = 1;
7423 etest->flags |= ETH_TEST_FL_FAILED;
7424 }
7425
7426 if (bnx2_test_link(bp) != 0) {
7427 buf[5] = 1;
7428 etest->flags |= ETH_TEST_FL_FAILED;
7429
7430 }
Michael Chan9f52b562008-10-09 12:21:46 -07007431 if (!netif_running(bp->dev))
7432 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07007433}
7434
7435static void
7436bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7437{
7438 switch (stringset) {
7439 case ETH_SS_STATS:
7440 memcpy(buf, bnx2_stats_str_arr,
7441 sizeof(bnx2_stats_str_arr));
7442 break;
7443 case ETH_SS_TEST:
7444 memcpy(buf, bnx2_tests_str_arr,
7445 sizeof(bnx2_tests_str_arr));
7446 break;
7447 }
7448}
7449
Michael Chanb6016b72005-05-26 13:03:09 -07007450static void
7451bnx2_get_ethtool_stats(struct net_device *dev,
7452 struct ethtool_stats *stats, u64 *buf)
7453{
Michael Chan972ec0d2006-01-23 16:12:43 -08007454 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007455 int i;
7456 u32 *hw_stats = (u32 *) bp->stats_blk;
Michael Chan354fcd72010-01-17 07:30:44 +00007457 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007458 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007459
7460 if (hw_stats == NULL) {
7461 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7462 return;
7463 }
7464
Michael Chan5b0c76a2005-11-04 08:45:49 -08007465 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7466 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7467 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7468 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007469 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007470 else
7471 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007472
7473 for (i = 0; i < BNX2_NUM_STATS; i++) {
Michael Chan354fcd72010-01-17 07:30:44 +00007474 unsigned long offset;
7475
Michael Chanb6016b72005-05-26 13:03:09 -07007476 if (stats_len_arr[i] == 0) {
7477 /* skip this counter */
7478 buf[i] = 0;
7479 continue;
7480 }
Michael Chan354fcd72010-01-17 07:30:44 +00007481
7482 offset = bnx2_stats_offset_arr[i];
Michael Chanb6016b72005-05-26 13:03:09 -07007483 if (stats_len_arr[i] == 4) {
7484 /* 4-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007485 buf[i] = (u64) *(hw_stats + offset) +
7486 *(temp_stats + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07007487 continue;
7488 }
7489 /* 8-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007490 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7491 *(hw_stats + offset + 1) +
7492 (((u64) *(temp_stats + offset)) << 32) +
7493 *(temp_stats + offset + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007494 }
7495}
7496
7497static int
7498bnx2_phys_id(struct net_device *dev, u32 data)
7499{
Michael Chan972ec0d2006-01-23 16:12:43 -08007500 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007501 int i;
7502 u32 save;
7503
Michael Chan9f52b562008-10-09 12:21:46 -07007504 bnx2_set_power_state(bp, PCI_D0);
7505
Michael Chanb6016b72005-05-26 13:03:09 -07007506 if (data == 0)
7507 data = 2;
7508
7509 save = REG_RD(bp, BNX2_MISC_CFG);
7510 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7511
7512 for (i = 0; i < (data * 2); i++) {
7513 if ((i % 2) == 0) {
7514 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7515 }
7516 else {
7517 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7518 BNX2_EMAC_LED_1000MB_OVERRIDE |
7519 BNX2_EMAC_LED_100MB_OVERRIDE |
7520 BNX2_EMAC_LED_10MB_OVERRIDE |
7521 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7522 BNX2_EMAC_LED_TRAFFIC);
7523 }
7524 msleep_interruptible(500);
7525 if (signal_pending(current))
7526 break;
7527 }
7528 REG_WR(bp, BNX2_EMAC_LED, 0);
7529 REG_WR(bp, BNX2_MISC_CFG, save);
Michael Chan9f52b562008-10-09 12:21:46 -07007530
7531 if (!netif_running(dev))
7532 bnx2_set_power_state(bp, PCI_D3hot);
7533
Michael Chanb6016b72005-05-26 13:03:09 -07007534 return 0;
7535}
7536
Michael Chan4666f872007-05-03 13:22:28 -07007537static int
7538bnx2_set_tx_csum(struct net_device *dev, u32 data)
7539{
7540 struct bnx2 *bp = netdev_priv(dev);
7541
7542 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07007543 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07007544 else
7545 return (ethtool_op_set_tx_csum(dev, data));
7546}
7547
Jeff Garzik7282d492006-09-13 14:30:00 -04007548static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007549 .get_settings = bnx2_get_settings,
7550 .set_settings = bnx2_set_settings,
7551 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007552 .get_regs_len = bnx2_get_regs_len,
7553 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007554 .get_wol = bnx2_get_wol,
7555 .set_wol = bnx2_set_wol,
7556 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007557 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007558 .get_eeprom_len = bnx2_get_eeprom_len,
7559 .get_eeprom = bnx2_get_eeprom,
7560 .set_eeprom = bnx2_set_eeprom,
7561 .get_coalesce = bnx2_get_coalesce,
7562 .set_coalesce = bnx2_set_coalesce,
7563 .get_ringparam = bnx2_get_ringparam,
7564 .set_ringparam = bnx2_set_ringparam,
7565 .get_pauseparam = bnx2_get_pauseparam,
7566 .set_pauseparam = bnx2_set_pauseparam,
7567 .get_rx_csum = bnx2_get_rx_csum,
7568 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07007569 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07007570 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07007571 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07007572 .self_test = bnx2_self_test,
7573 .get_strings = bnx2_get_strings,
7574 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007575 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007576 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07007577};
7578
7579/* Called with rtnl_lock */
7580static int
7581bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7582{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007583 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007584 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007585 int err;
7586
7587 switch(cmd) {
7588 case SIOCGMIIPHY:
7589 data->phy_id = bp->phy_addr;
7590
7591 /* fallthru */
7592 case SIOCGMIIREG: {
7593 u32 mii_regval;
7594
Michael Chan583c28e2008-01-21 19:51:35 -08007595 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007596 return -EOPNOTSUPP;
7597
Michael Chandad3e452007-05-03 13:18:03 -07007598 if (!netif_running(dev))
7599 return -EAGAIN;
7600
Michael Chanc770a652005-08-25 15:38:39 -07007601 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007602 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007603 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007604
7605 data->val_out = mii_regval;
7606
7607 return err;
7608 }
7609
7610 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007611 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007612 return -EOPNOTSUPP;
7613
Michael Chandad3e452007-05-03 13:18:03 -07007614 if (!netif_running(dev))
7615 return -EAGAIN;
7616
Michael Chanc770a652005-08-25 15:38:39 -07007617 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007618 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007619 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007620
7621 return err;
7622
7623 default:
7624 /* do nothing */
7625 break;
7626 }
7627 return -EOPNOTSUPP;
7628}
7629
7630/* Called with rtnl_lock */
7631static int
7632bnx2_change_mac_addr(struct net_device *dev, void *p)
7633{
7634 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007635 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007636
Michael Chan73eef4c2005-08-25 15:39:15 -07007637 if (!is_valid_ether_addr(addr->sa_data))
7638 return -EINVAL;
7639
Michael Chanb6016b72005-05-26 13:03:09 -07007640 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7641 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007642 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007643
7644 return 0;
7645}
7646
7647/* Called with rtnl_lock */
7648static int
7649bnx2_change_mtu(struct net_device *dev, int new_mtu)
7650{
Michael Chan972ec0d2006-01-23 16:12:43 -08007651 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007652
7653 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7654 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7655 return -EINVAL;
7656
7657 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08007658 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07007659}
7660
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00007661#ifdef CONFIG_NET_POLL_CONTROLLER
Michael Chanb6016b72005-05-26 13:03:09 -07007662static void
7663poll_bnx2(struct net_device *dev)
7664{
Michael Chan972ec0d2006-01-23 16:12:43 -08007665 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007666 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007667
Neil Hormanb2af2c12008-11-12 16:23:44 -08007668 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan1bf1e342010-03-23 13:13:12 +00007669 struct bnx2_irq *irq = &bp->irq_tbl[i];
7670
7671 disable_irq(irq->vector);
7672 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7673 enable_irq(irq->vector);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007674 }
Michael Chanb6016b72005-05-26 13:03:09 -07007675}
7676#endif
7677
Michael Chan253c8b752007-01-08 19:56:01 -08007678static void __devinit
7679bnx2_get_5709_media(struct bnx2 *bp)
7680{
7681 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7682 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7683 u32 strap;
7684
7685 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7686 return;
7687 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007688 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b752007-01-08 19:56:01 -08007689 return;
7690 }
7691
7692 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7693 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7694 else
7695 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7696
7697 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7698 switch (strap) {
7699 case 0x4:
7700 case 0x5:
7701 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007702 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b752007-01-08 19:56:01 -08007703 return;
7704 }
7705 } else {
7706 switch (strap) {
7707 case 0x1:
7708 case 0x2:
7709 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007710 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b752007-01-08 19:56:01 -08007711 return;
7712 }
7713 }
7714}
7715
Michael Chan883e5152007-05-03 13:25:11 -07007716static void __devinit
7717bnx2_get_pci_speed(struct bnx2 *bp)
7718{
7719 u32 reg;
7720
7721 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7722 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7723 u32 clkreg;
7724
David S. Millerf86e82f2008-01-21 17:15:40 -08007725 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007726
7727 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7728
7729 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7730 switch (clkreg) {
7731 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7732 bp->bus_speed_mhz = 133;
7733 break;
7734
7735 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7736 bp->bus_speed_mhz = 100;
7737 break;
7738
7739 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7740 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7741 bp->bus_speed_mhz = 66;
7742 break;
7743
7744 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7745 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7746 bp->bus_speed_mhz = 50;
7747 break;
7748
7749 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7750 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7751 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7752 bp->bus_speed_mhz = 33;
7753 break;
7754 }
7755 }
7756 else {
7757 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7758 bp->bus_speed_mhz = 66;
7759 else
7760 bp->bus_speed_mhz = 33;
7761 }
7762
7763 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007764 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007765
7766}
7767
Michael Chan76d99062009-12-03 09:46:34 +00007768static void __devinit
7769bnx2_read_vpd_fw_ver(struct bnx2 *bp)
7770{
Matt Carlsondf25bc32010-02-26 14:04:44 +00007771 int rc, i, j;
Michael Chan76d99062009-12-03 09:46:34 +00007772 u8 *data;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007773 unsigned int block_end, rosize, len;
Michael Chan76d99062009-12-03 09:46:34 +00007774
Michael Chan012093f2009-12-03 15:58:00 -08007775#define BNX2_VPD_NVRAM_OFFSET 0x300
7776#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00007777#define BNX2_MAX_VER_SLEN 30
7778
7779 data = kmalloc(256, GFP_KERNEL);
7780 if (!data)
7781 return;
7782
Michael Chan012093f2009-12-03 15:58:00 -08007783 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
7784 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00007785 if (rc)
7786 goto vpd_done;
7787
Michael Chan012093f2009-12-03 15:58:00 -08007788 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
7789 data[i] = data[i + BNX2_VPD_LEN + 3];
7790 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
7791 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
7792 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00007793 }
7794
Matt Carlsondf25bc32010-02-26 14:04:44 +00007795 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
7796 if (i < 0)
Michael Chan76d99062009-12-03 09:46:34 +00007797 goto vpd_done;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007798
7799 rosize = pci_vpd_lrdt_size(&data[i]);
7800 i += PCI_VPD_LRDT_TAG_SIZE;
7801 block_end = i + rosize;
7802
7803 if (block_end > BNX2_VPD_LEN)
7804 goto vpd_done;
7805
7806 j = pci_vpd_find_info_keyword(data, i, rosize,
7807 PCI_VPD_RO_KEYWORD_MFR_ID);
7808 if (j < 0)
7809 goto vpd_done;
7810
7811 len = pci_vpd_info_field_size(&data[j]);
7812
7813 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7814 if (j + len > block_end || len != 4 ||
7815 memcmp(&data[j], "1028", 4))
7816 goto vpd_done;
7817
7818 j = pci_vpd_find_info_keyword(data, i, rosize,
7819 PCI_VPD_RO_KEYWORD_VENDOR0);
7820 if (j < 0)
7821 goto vpd_done;
7822
7823 len = pci_vpd_info_field_size(&data[j]);
7824
7825 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7826 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
7827 goto vpd_done;
7828
7829 memcpy(bp->fw_version, &data[j], len);
7830 bp->fw_version[len] = ' ';
Michael Chan76d99062009-12-03 09:46:34 +00007831
7832vpd_done:
7833 kfree(data);
7834}
7835
Michael Chanb6016b72005-05-26 13:03:09 -07007836static int __devinit
7837bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7838{
7839 struct bnx2 *bp;
7840 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007841 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007842 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007843 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007844
Michael Chanb6016b72005-05-26 13:03:09 -07007845 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007846 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007847
7848 bp->flags = 0;
7849 bp->phy_flags = 0;
7850
Michael Chan354fcd72010-01-17 07:30:44 +00007851 bp->temp_stats_blk =
7852 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
7853
7854 if (bp->temp_stats_blk == NULL) {
7855 rc = -ENOMEM;
7856 goto err_out;
7857 }
7858
Michael Chanb6016b72005-05-26 13:03:09 -07007859 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7860 rc = pci_enable_device(pdev);
7861 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007862 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007863 goto err_out;
7864 }
7865
7866 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007867 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007868 "Cannot find PCI device base address, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007869 rc = -ENODEV;
7870 goto err_out_disable;
7871 }
7872
7873 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7874 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007875 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007876 goto err_out_disable;
7877 }
7878
7879 pci_set_master(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007880 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007881
7882 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7883 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007884 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007885 "Cannot find power management capability, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007886 rc = -EIO;
7887 goto err_out_release;
7888 }
7889
Michael Chanb6016b72005-05-26 13:03:09 -07007890 bp->dev = dev;
7891 bp->pdev = pdev;
7892
7893 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007894 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00007895#ifdef BCM_CNIC
7896 mutex_init(&bp->cnic_lock);
7897#endif
David Howellsc4028952006-11-22 14:57:56 +00007898 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007899
7900 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan4edd4732009-06-08 18:14:42 -07007901 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007902 dev->mem_end = dev->mem_start + mem_len;
7903 dev->irq = pdev->irq;
7904
7905 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7906
7907 if (!bp->regview) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007908 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007909 rc = -ENOMEM;
7910 goto err_out_release;
7911 }
7912
7913 /* Configure byte swap and enable write to the reg_window registers.
7914 * Rely on CPU to do target byte swapping on big endian systems
7915 * The chip's target access swapping will not swap all accesses
7916 */
7917 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7918 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7919 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7920
Pavel Machek829ca9a2005-09-03 15:56:56 -07007921 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007922
7923 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7924
Michael Chan883e5152007-05-03 13:25:11 -07007925 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7926 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7927 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007928 "Cannot find PCIE capability, aborting\n");
Michael Chan883e5152007-05-03 13:25:11 -07007929 rc = -EIO;
7930 goto err_out_unmap;
7931 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007932 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007933 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007934 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007935 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007936 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7937 if (bp->pcix_cap == 0) {
7938 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007939 "Cannot find PCIX capability, aborting\n");
Michael Chan59b47d82006-11-19 14:10:45 -08007940 rc = -EIO;
7941 goto err_out_unmap;
7942 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00007943 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08007944 }
7945
Michael Chanb4b36042007-12-20 19:59:30 -08007946 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7947 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007948 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007949 }
7950
Michael Chan8e6a72c2007-05-03 13:24:48 -07007951 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7952 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007953 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007954 }
7955
Michael Chan40453c82007-05-03 13:19:18 -07007956 /* 5708 cannot support DMA addresses > 40-bit. */
7957 if (CHIP_NUM(bp) == CHIP_NUM_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07007958 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07007959 else
Yang Hongyang6a355282009-04-06 19:01:13 -07007960 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07007961
7962 /* Configure DMA attributes. */
7963 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7964 dev->features |= NETIF_F_HIGHDMA;
7965 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7966 if (rc) {
7967 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007968 "pci_set_consistent_dma_mask failed, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07007969 goto err_out_unmap;
7970 }
Yang Hongyang284901a2009-04-06 19:01:15 -07007971 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007972 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07007973 goto err_out_unmap;
7974 }
7975
David S. Millerf86e82f2008-01-21 17:15:40 -08007976 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007977 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007978
7979 /* 5706A0 may falsely detect SERR and PERR. */
7980 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7981 reg = REG_RD(bp, PCI_COMMAND);
7982 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7983 REG_WR(bp, PCI_COMMAND, reg);
7984 }
7985 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007986 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007987
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007988 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007989 "5706 A1 can only be used in a PCIX bus, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007990 goto err_out_unmap;
7991 }
7992
7993 bnx2_init_nvram(bp);
7994
Michael Chan2726d6e2008-01-29 21:35:05 -08007995 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007996
7997 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007998 BNX2_SHM_HDR_SIGNATURE_SIG) {
7999 u32 off = PCI_FUNC(pdev->devfn) << 2;
8000
Michael Chan2726d6e2008-01-29 21:35:05 -08008001 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08008002 } else
Michael Chane3648b32005-11-04 08:51:21 -08008003 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
8004
Michael Chanb6016b72005-05-26 13:03:09 -07008005 /* Get the permanent MAC address. First we need to make sure the
8006 * firmware is actually running.
8007 */
Michael Chan2726d6e2008-01-29 21:35:05 -08008008 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07008009
8010 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8011 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008012 dev_err(&pdev->dev, "Firmware not running, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008013 rc = -ENODEV;
8014 goto err_out_unmap;
8015 }
8016
Michael Chan76d99062009-12-03 09:46:34 +00008017 bnx2_read_vpd_fw_ver(bp);
8018
8019 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08008020 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00008021 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07008022 u8 num, k, skip0;
8023
Michael Chan76d99062009-12-03 09:46:34 +00008024 if (i == 0) {
8025 bp->fw_version[j++] = 'b';
8026 bp->fw_version[j++] = 'c';
8027 bp->fw_version[j++] = ' ';
8028 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07008029 num = (u8) (reg >> (24 - (i * 8)));
8030 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8031 if (num >= k || !skip0 || k == 1) {
8032 bp->fw_version[j++] = (num / k) + '0';
8033 skip0 = 0;
8034 }
8035 }
8036 if (i != 2)
8037 bp->fw_version[j++] = '.';
8038 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008039 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008040 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8041 bp->wol = 1;
8042
8043 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008044 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008045
8046 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008047 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008048 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8049 break;
8050 msleep(10);
8051 }
8052 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008053 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008054 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8055 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8056 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008057 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008058
Michael Chan76d99062009-12-03 09:46:34 +00008059 if (j < 32)
8060 bp->fw_version[j++] = ' ';
8061 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008062 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008063 reg = swab32(reg);
8064 memcpy(&bp->fw_version[j], &reg, 4);
8065 j += 4;
8066 }
8067 }
Michael Chanb6016b72005-05-26 13:03:09 -07008068
Michael Chan2726d6e2008-01-29 21:35:05 -08008069 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008070 bp->mac_addr[0] = (u8) (reg >> 8);
8071 bp->mac_addr[1] = (u8) reg;
8072
Michael Chan2726d6e2008-01-29 21:35:05 -08008073 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008074 bp->mac_addr[2] = (u8) (reg >> 24);
8075 bp->mac_addr[3] = (u8) (reg >> 16);
8076 bp->mac_addr[4] = (u8) (reg >> 8);
8077 bp->mac_addr[5] = (u8) reg;
8078
8079 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008080 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008081
8082 bp->rx_csum = 1;
8083
Michael Chancf7474a2009-08-21 16:20:48 +00008084 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008085 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008086 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008087 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008088
Michael Chancf7474a2009-08-21 16:20:48 +00008089 bp->rx_quick_cons_trip_int = 2;
8090 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008091 bp->rx_ticks_int = 18;
8092 bp->rx_ticks = 18;
8093
Michael Chan7ea69202007-07-16 18:27:10 -07008094 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008095
Benjamin Liac392ab2008-09-18 16:40:49 -07008096 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008097
Michael Chan5b0c76a2005-11-04 08:45:49 -08008098 bp->phy_addr = 1;
8099
Michael Chanb6016b72005-05-26 13:03:09 -07008100 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b752007-01-08 19:56:01 -08008101 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8102 bnx2_get_5709_media(bp);
8103 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008104 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008105
Michael Chan0d8a6572007-07-07 22:49:43 -07008106 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008107 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008108 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008109 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008110 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008111 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008112 bp->wol = 0;
8113 }
Michael Chan38ea3682008-02-23 19:48:57 -08008114 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
8115 /* Don't do parallel detect on this board because of
8116 * some board problems. The link will not go down
8117 * if we do parallel detect.
8118 */
8119 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8120 pdev->subsystem_device == 0x310c)
8121 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8122 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008123 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008124 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008125 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008126 }
Michael Chan261dd5c2007-01-08 19:55:46 -08008127 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
8128 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008129 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08008130 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
8131 (CHIP_REV(bp) == CHIP_REV_Ax ||
8132 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008133 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008134
Michael Chan7c62e832008-07-14 22:39:03 -07008135 bnx2_init_fw_cap(bp);
8136
Michael Chan16088272006-06-12 22:16:43 -07008137 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
8138 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan5ec6d7b2008-11-12 16:01:41 -08008139 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
8140 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008141 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008142 bp->wol = 0;
8143 }
Michael Chandda1e392006-01-23 16:08:14 -08008144
Michael Chanb6016b72005-05-26 13:03:09 -07008145 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8146 bp->tx_quick_cons_trip_int =
8147 bp->tx_quick_cons_trip;
8148 bp->tx_ticks_int = bp->tx_ticks;
8149 bp->rx_quick_cons_trip_int =
8150 bp->rx_quick_cons_trip;
8151 bp->rx_ticks_int = bp->rx_ticks;
8152 bp->comp_prod_trip_int = bp->comp_prod_trip;
8153 bp->com_ticks_int = bp->com_ticks;
8154 bp->cmd_ticks_int = bp->cmd_ticks;
8155 }
8156
Michael Chanf9317a42006-09-29 17:06:23 -07008157 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8158 *
8159 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8160 * with byte enables disabled on the unused 32-bit word. This is legal
8161 * but causes problems on the AMD 8132 which will eventually stop
8162 * responding after a while.
8163 *
8164 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008165 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008166 */
8167 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
8168 struct pci_dev *amd_8132 = NULL;
8169
8170 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8171 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8172 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008173
Auke Kok44c10132007-06-08 15:46:36 -07008174 if (amd_8132->revision >= 0x10 &&
8175 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008176 disable_msi = 1;
8177 pci_dev_put(amd_8132);
8178 break;
8179 }
8180 }
8181 }
8182
Michael Chandeaf3912007-07-07 22:48:00 -07008183 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008184 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8185
Michael Chancd339a02005-08-25 15:35:24 -07008186 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008187 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008188 bp->timer.data = (unsigned long) bp;
8189 bp->timer.function = bnx2_timer;
8190
Michael Chanb6016b72005-05-26 13:03:09 -07008191 return 0;
8192
8193err_out_unmap:
8194 if (bp->regview) {
8195 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07008196 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008197 }
8198
8199err_out_release:
8200 pci_release_regions(pdev);
8201
8202err_out_disable:
8203 pci_disable_device(pdev);
8204 pci_set_drvdata(pdev, NULL);
8205
8206err_out:
8207 return rc;
8208}
8209
Michael Chan883e5152007-05-03 13:25:11 -07008210static char * __devinit
8211bnx2_bus_string(struct bnx2 *bp, char *str)
8212{
8213 char *s = str;
8214
David S. Millerf86e82f2008-01-21 17:15:40 -08008215 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008216 s += sprintf(s, "PCI Express");
8217 } else {
8218 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008219 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008220 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008221 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008222 s += sprintf(s, " 32-bit");
8223 else
8224 s += sprintf(s, " 64-bit");
8225 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8226 }
8227 return str;
8228}
8229
Michael Chan2ba582b2007-12-21 15:04:49 -08008230static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08008231bnx2_init_napi(struct bnx2 *bp)
8232{
Michael Chanb4b36042007-12-20 19:59:30 -08008233 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008234
Benjamin Li4327ba42010-03-23 13:13:11 +00008235 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008236 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8237 int (*poll)(struct napi_struct *, int);
8238
8239 if (i == 0)
8240 poll = bnx2_poll;
8241 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008242 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008243
8244 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008245 bnapi->bp = bp;
8246 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008247}
8248
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008249static const struct net_device_ops bnx2_netdev_ops = {
8250 .ndo_open = bnx2_open,
8251 .ndo_start_xmit = bnx2_start_xmit,
8252 .ndo_stop = bnx2_close,
8253 .ndo_get_stats = bnx2_get_stats,
8254 .ndo_set_rx_mode = bnx2_set_rx_mode,
8255 .ndo_do_ioctl = bnx2_ioctl,
8256 .ndo_validate_addr = eth_validate_addr,
8257 .ndo_set_mac_address = bnx2_change_mac_addr,
8258 .ndo_change_mtu = bnx2_change_mtu,
8259 .ndo_tx_timeout = bnx2_tx_timeout,
8260#ifdef BCM_VLAN
8261 .ndo_vlan_rx_register = bnx2_vlan_rx_register,
8262#endif
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008263#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008264 .ndo_poll_controller = poll_bnx2,
8265#endif
8266};
8267
Eric Dumazet72dccb02009-07-23 02:01:38 +00008268static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
8269{
8270#ifdef BCM_VLAN
8271 dev->vlan_features |= flags;
8272#endif
8273}
8274
Michael Chan35efa7c2007-12-20 19:56:37 -08008275static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07008276bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8277{
8278 static int version_printed = 0;
8279 struct net_device *dev = NULL;
8280 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008281 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008282 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008283
8284 if (version_printed++ == 0)
Joe Perches3a9c6a42010-02-17 15:01:51 +00008285 pr_info("%s", version);
Michael Chanb6016b72005-05-26 13:03:09 -07008286
8287 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008288 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008289
8290 if (!dev)
8291 return -ENOMEM;
8292
8293 rc = bnx2_init_board(pdev, dev);
8294 if (rc < 0) {
8295 free_netdev(dev);
8296 return rc;
8297 }
8298
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008299 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008300 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008301 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008302
Michael Chan972ec0d2006-01-23 16:12:43 -08008303 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008304
Michael Chan1b2f9222007-05-03 13:20:19 -07008305 pci_set_drvdata(pdev, dev);
8306
Michael Chan57579f72009-04-04 16:51:14 -07008307 rc = bnx2_request_firmware(bp);
8308 if (rc)
8309 goto error;
8310
Michael Chan1b2f9222007-05-03 13:20:19 -07008311 memcpy(dev->dev_addr, bp->mac_addr, 6);
8312 memcpy(dev->perm_addr, bp->mac_addr, 6);
Michael Chan1b2f9222007-05-03 13:20:19 -07008313
Michael Chanc67938a2010-05-06 08:58:12 +00008314 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_GRO;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008315 vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
8316 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008317 dev->features |= NETIF_F_IPV6_CSUM;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008318 vlan_features_add(dev, NETIF_F_IPV6_CSUM);
8319 }
Michael Chan1b2f9222007-05-03 13:20:19 -07008320#ifdef BCM_VLAN
8321 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
8322#endif
8323 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008324 vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
8325 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Michael Chan4666f872007-05-03 13:22:28 -07008326 dev->features |= NETIF_F_TSO6;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008327 vlan_features_add(dev, NETIF_F_TSO6);
8328 }
Michael Chanb6016b72005-05-26 13:03:09 -07008329 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008330 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008331 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008332 }
8333
Joe Perches3a9c6a42010-02-17 15:01:51 +00008334 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n",
8335 board_info[ent->driver_data].name,
8336 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8337 ((CHIP_ID(bp) & 0x0ff0) >> 4),
8338 bnx2_bus_string(bp, str),
8339 dev->base_addr,
8340 bp->pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008341
Michael Chanb6016b72005-05-26 13:03:09 -07008342 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008343
8344error:
8345 if (bp->mips_firmware)
8346 release_firmware(bp->mips_firmware);
8347 if (bp->rv2p_firmware)
8348 release_firmware(bp->rv2p_firmware);
8349
8350 if (bp->regview)
8351 iounmap(bp->regview);
8352 pci_release_regions(pdev);
8353 pci_disable_device(pdev);
8354 pci_set_drvdata(pdev, NULL);
8355 free_netdev(dev);
8356 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008357}
8358
8359static void __devexit
8360bnx2_remove_one(struct pci_dev *pdev)
8361{
8362 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008363 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008364
Michael Chanafdc08b2005-08-25 15:34:29 -07008365 flush_scheduled_work();
8366
Michael Chanb6016b72005-05-26 13:03:09 -07008367 unregister_netdev(dev);
8368
Michael Chan57579f72009-04-04 16:51:14 -07008369 if (bp->mips_firmware)
8370 release_firmware(bp->mips_firmware);
8371 if (bp->rv2p_firmware)
8372 release_firmware(bp->rv2p_firmware);
8373
Michael Chanb6016b72005-05-26 13:03:09 -07008374 if (bp->regview)
8375 iounmap(bp->regview);
8376
Michael Chan354fcd72010-01-17 07:30:44 +00008377 kfree(bp->temp_stats_blk);
8378
Michael Chanb6016b72005-05-26 13:03:09 -07008379 free_netdev(dev);
8380 pci_release_regions(pdev);
8381 pci_disable_device(pdev);
8382 pci_set_drvdata(pdev, NULL);
8383}
8384
8385static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07008386bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07008387{
8388 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008389 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008390
Michael Chan6caebb02007-08-03 20:57:25 -07008391 /* PCI register 4 needs to be saved whether netif_running() or not.
8392 * MSI address and data need to be saved if using MSI and
8393 * netif_running().
8394 */
8395 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008396 if (!netif_running(dev))
8397 return 0;
8398
Michael Chan1d602902006-03-20 17:50:08 -08008399 flush_scheduled_work();
Michael Chan212f9932010-04-27 11:28:10 +00008400 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008401 netif_device_detach(dev);
8402 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07008403 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008404 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07008405 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07008406 return 0;
8407}
8408
8409static int
8410bnx2_resume(struct pci_dev *pdev)
8411{
8412 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008413 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008414
Michael Chan6caebb02007-08-03 20:57:25 -07008415 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008416 if (!netif_running(dev))
8417 return 0;
8418
Pavel Machek829ca9a2005-09-03 15:56:56 -07008419 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008420 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07008421 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00008422 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008423 return 0;
8424}
8425
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008426/**
8427 * bnx2_io_error_detected - called when PCI error is detected
8428 * @pdev: Pointer to PCI device
8429 * @state: The current pci connection state
8430 *
8431 * This function is called after a PCI bus error affecting
8432 * this device has been detected.
8433 */
8434static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8435 pci_channel_state_t state)
8436{
8437 struct net_device *dev = pci_get_drvdata(pdev);
8438 struct bnx2 *bp = netdev_priv(dev);
8439
8440 rtnl_lock();
8441 netif_device_detach(dev);
8442
Dean Nelson2ec3de22009-07-31 09:13:18 +00008443 if (state == pci_channel_io_perm_failure) {
8444 rtnl_unlock();
8445 return PCI_ERS_RESULT_DISCONNECT;
8446 }
8447
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008448 if (netif_running(dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00008449 bnx2_netif_stop(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008450 del_timer_sync(&bp->timer);
8451 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8452 }
8453
8454 pci_disable_device(pdev);
8455 rtnl_unlock();
8456
8457 /* Request a slot slot reset. */
8458 return PCI_ERS_RESULT_NEED_RESET;
8459}
8460
8461/**
8462 * bnx2_io_slot_reset - called after the pci bus has been reset.
8463 * @pdev: Pointer to PCI device
8464 *
8465 * Restart the card from scratch, as if from a cold-boot.
8466 */
8467static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8468{
8469 struct net_device *dev = pci_get_drvdata(pdev);
8470 struct bnx2 *bp = netdev_priv(dev);
8471
8472 rtnl_lock();
8473 if (pci_enable_device(pdev)) {
8474 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008475 "Cannot re-enable PCI device after reset\n");
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008476 rtnl_unlock();
8477 return PCI_ERS_RESULT_DISCONNECT;
8478 }
8479 pci_set_master(pdev);
8480 pci_restore_state(pdev);
Breno Leitao529fab62009-11-26 07:31:49 +00008481 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008482
8483 if (netif_running(dev)) {
8484 bnx2_set_power_state(bp, PCI_D0);
8485 bnx2_init_nic(bp, 1);
8486 }
8487
8488 rtnl_unlock();
8489 return PCI_ERS_RESULT_RECOVERED;
8490}
8491
8492/**
8493 * bnx2_io_resume - called when traffic can start flowing again.
8494 * @pdev: Pointer to PCI device
8495 *
8496 * This callback is called when the error recovery driver tells us that
8497 * its OK to resume normal operation.
8498 */
8499static void bnx2_io_resume(struct pci_dev *pdev)
8500{
8501 struct net_device *dev = pci_get_drvdata(pdev);
8502 struct bnx2 *bp = netdev_priv(dev);
8503
8504 rtnl_lock();
8505 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00008506 bnx2_netif_start(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008507
8508 netif_device_attach(dev);
8509 rtnl_unlock();
8510}
8511
8512static struct pci_error_handlers bnx2_err_handler = {
8513 .error_detected = bnx2_io_error_detected,
8514 .slot_reset = bnx2_io_slot_reset,
8515 .resume = bnx2_io_resume,
8516};
8517
Michael Chanb6016b72005-05-26 13:03:09 -07008518static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008519 .name = DRV_MODULE_NAME,
8520 .id_table = bnx2_pci_tbl,
8521 .probe = bnx2_init_one,
8522 .remove = __devexit_p(bnx2_remove_one),
8523 .suspend = bnx2_suspend,
8524 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008525 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07008526};
8527
8528static int __init bnx2_init(void)
8529{
Jeff Garzik29917622006-08-19 17:48:59 -04008530 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07008531}
8532
8533static void __exit bnx2_cleanup(void)
8534{
8535 pci_unregister_driver(&bnx2_pci_driver);
8536}
8537
8538module_init(bnx2_init);
8539module_exit(bnx2_cleanup);
8540
8541
8542